/* ============================================================
       CSS RESET
    ============================================================ */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 170px;
      -webkit-text-size-adjust: 100%;
      font-size: 16px;
    }

    img, video, svg {
      display: block;
      max-width: 100%;
    }

    button, input, textarea, select {
      font: inherit;
    }

    ol, ul {
      list-style: none;
    }

    /* ============================================================
       CSS CUSTOM PROPERTIES — LIGHT MODE (DEFAULT) — Emerald
    ============================================================ */
    :root {
      --bg-primary: #f8f9f7;
      --bg-secondary: #f0f2ee;
      --bg-card: #ffffff;
      --bg-card-hover: #f6f8f5;

      --border: #dce0d8;
      --border-subtle: #e8ebe5;

      --text-primary: #1a2318;
      --text-secondary: #3d4a38;
      --text-muted: #5e6b58;

      --accent: #10b981;
      --accent-dim: #0d9668;
      --accent-glow: rgba(16, 185, 129, 0.12);
      --accent-glow-strong: rgba(16, 185, 129, 0.2);

      --accent-warm: #10b981;
      --accent-warm-dim: #0d9668;
      --accent-warm-glow: rgba(16, 185, 129, 0.12);

      --green: #10b981;
      --green-glow: rgba(16, 185, 129, 0.15);

      --candle-up: #10b981;
      --candle-down: #dc2626;

      --warning: #d97706;
      --warning-dim: rgba(217, 119, 6, 0.1);

      --danger: #dc2626;
      --danger-dim: rgba(220, 38, 38, 0.08);

      --font-display: 'Cabinet Grotesk', sans-serif;
      --font-mono: 'DM Mono', monospace;
    }

    /* ============================================================
       CSS CUSTOM PROPERTIES — DARK MODE — Emerald
    ============================================================ */
    [data-theme="dark"] {
      --bg-primary: #060c0a;
      --bg-secondary: #0c1610;
      --bg-card: #0f1a14;
      --bg-card-hover: #142219;

      --border: #1a2e22;
      --border-subtle: #12201a;

      --text-primary: #e3e8e6;
      --text-secondary: #8a9a90;
      --text-muted: #556b5e;

      --accent: #10b981;
      --accent-dim: #0d9668;
      --accent-glow: rgba(16, 185, 129, 0.15);
      --accent-glow-strong: rgba(16, 185, 129, 0.25);

      --accent-warm: #10b981;
      --accent-warm-dim: #0d9668;
      --accent-warm-glow: rgba(16, 185, 129, 0.15);

      --green: #34d399;
      --green-glow: rgba(52, 211, 153, 0.2);

      --candle-up: #34d399;
      --candle-down: #ef4444;

      --warning: #eab308;
      --warning-dim: rgba(245, 158, 11, 0.12);

      --danger: #ef4444;
      --danger-dim: rgba(239, 68, 68, 0.1);
    }

    /* ============================================================
       BASE STYLES
    ============================================================ */
    html, body {
      height: 100%;
    }

    body {
      font-family: var(--font-display);
      background-color: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      transition: background-color 0.3s ease, color 0.3s ease;
      overflow-x: hidden;
    }

    ::selection {
      background: var(--accent);
      color: #fff;
    }

    a {
      color: var(--accent);
      text-decoration: none;
      transition: color 0.2s ease;
    }

    a:hover {
      color: var(--accent-dim);
    }

    /* ============================================================
       LAYOUT UTILITIES
    ============================================================ */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    .section {
      padding: 4rem 0;
      position: relative;
      z-index: 1;
    }

    .section--spacious {
      padding: 5rem 0;
    }

    .section--tight {
      padding: 2.5rem 0;
    }

    .section--alt {
      background-color: var(--bg-secondary);
    }

    .section--border {
      border-top: 1px solid var(--border);
    }

    /* Warm gradient backgrounds */
    .section--warm {
      background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    }

    .section--warm-reverse {
      background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    }

    /* Noise texture overlay */
    .section--textured::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
      background-size: 256px 256px;
      pointer-events: none;
      z-index: 0;
    }

    .section--textured { position: relative; }
    .section--textured > .container { position: relative; z-index: 1; }

    @media (max-width: 640px) {
      .container {
        padding: 0 1.25rem;
      }

      .section {
        padding: 3rem 0;
      }

      .section--spacious {
        padding: 4rem 0;
      }

      .section--tight {
        padding: 2rem 0;
      }
    }

    /* ============================================================
       SHARED COMPONENT STYLES
    ============================================================ */

    /* Section Labels */
    .section__label {
      display: inline-block;
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 1rem;
    }

    .section__label--accent {
      color: var(--accent);
    }

    .section__title {
      font-family: var(--font-display);
      font-size: clamp(2.25rem, 4.5vw, 3.25rem);
      font-weight: 800;
      line-height: 1.1;
      color: var(--text-primary);
      margin-bottom: 1.25rem;
    }

    .section__desc {
      font-size: 1.375rem;
      color: var(--text-secondary);
      line-height: 1.7;
      max-width: 560px;
      margin: 0 auto;
    }

    .text-lg {
      font-size: 1.375rem;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 500;
      padding: 0.75rem 1.5rem;
      border-radius: 6px;
      border: 1px solid transparent;
      cursor: pointer;
      text-decoration: none;
      transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-1px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn--primary {
      background-color: var(--accent);
      color: #fff;
      border-color: var(--accent);
    }

    .btn--primary:hover {
      background-color: var(--accent-dim);
      border-color: var(--accent-dim);
      color: #fff;
      box-shadow: 0 0 20px var(--accent-glow-strong);
    }

    .btn--ghost {
      background-color: transparent;
      color: var(--text-secondary);
      border-color: var(--border);
    }

    .btn--ghost:hover {
      background-color: var(--bg-card);
      color: var(--text-primary);
      border-color: var(--border);
    }

    /* ============================================================
       ANIMATIONS & KEYFRAMES
    ============================================================ */
    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(24px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes pulse-dot {
      0%, 100% {
        opacity: 1;
        transform: scale(1);
      }
      50% {
        opacity: 0.5;
        transform: scale(0.8);
      }
    }

    @keyframes glide-line {
      0% { transform: translateX(-100%); }
      100% { transform: translateX(100vw); }
    }

    /* Reveal animations */
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .reveal-delay-1 {
      transition-delay: 0.15s;
    }

    .reveal-delay-2 {
      transition-delay: 0.3s;
    }

    .reveal-delay-3 {
      transition-delay: 0.45s;
    }

    .reveal-delay-4 {
      transition-delay: 0.6s;
    }

    /* ============================================================
       NAVIGATION
    ============================================================ */
    .nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      padding: 0.5rem 0;
      transition: background-color 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
      border-bottom: 1px solid transparent;
    }

    .nav {
      background-color: var(--bg-primary);
    }

    .nav.scrolled {
      background-color: var(--bg-primary);
      border-bottom-color: var(--border);
      padding: 0.25rem 0;
    }

    [data-theme="dark"] .nav.scrolled {
      background-color: var(--bg-primary);
    }

    .nav__inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
    }

    /* Logo */
    .nav__logo {
      display: flex;
      align-items: center;
      gap: 0.625rem;
      text-decoration: none;
      flex-shrink: 0;
    }

    .nav__logo-mark {
      width: 32px;
      height: 32px;
      background-color: var(--accent);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-mono);
      font-size: 1.375rem;
      font-weight: 500;
      color: #fff;
      letter-spacing: 0.02em;
      flex-shrink: 0;
    }

    .nav__logo-name {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      font-weight: 500;
      color: var(--text-primary);
      letter-spacing: 0.08em;
    }

    .nav__logo:hover .nav__logo-name {
      color: var(--text-primary);
    }

    /* Right-aligned links */
    .nav__links {
      display: flex;
      align-items: center;
      gap: 2rem;
      margin-left: auto;
    }

    .nav__link {
      font-family: var(--font-display);
      font-size: 1.375rem;
      color: var(--text-secondary);
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .nav__link:hover {
      color: var(--text-primary);
    }

    /* Right CTA */
    .nav__cta {
      flex-shrink: 0;
    }

    @media (max-width: 640px) {
      .nav__links {
        display: none;
      }
    }

    /* ============================================================
       HERO SECTION
    ============================================================ */
    .hero {
      position: relative;
      min-height: 95vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding-top: 10rem;
      padding-bottom: 2rem;
      overflow: hidden;
    }

    /* Background grid */
    .hero__grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(var(--border-subtle) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
      background-size: 60px 60px;
      mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 80%);
      -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 80%);
      pointer-events: none;
      z-index: 0;
    }

    /* Candlestick chart */
    .hero__candles {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 100vh;
      pointer-events: none;
      z-index: 1;
      overflow: hidden;
      opacity: 1;
    }

    [data-theme="light"] .hero__candles {
      opacity: 0.8;
    }

    .hero__candles canvas {
      width: 100%;
      height: 100%;
    }

    /* Emerald radial glow */
    .hero__glow {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 700px;
      height: 400px;
      background: radial-gradient(ellipse at center, var(--accent-glow-strong) 0%, transparent 70%);
      pointer-events: none;
      z-index: 0;
    }

    /* Particles */
    .hero__particles {
      position: absolute;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      overflow: hidden;
    }

    .hero__particles canvas {
      width: 100%;
      height: 100%;
    }

    /* Hero number rain */
    .hero__calc {
      position: absolute;
      inset: 0;
      z-index: 1;
      pointer-events: none;
      opacity: 0.3;
    }

    [data-theme="dark"] .hero__calc {
      opacity: 0.35;
    }

    .hero__calc canvas {
      width: 100%;
      height: 100%;
    }

    /* Hero content */
    .hero__content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 860px;
      margin: 0 auto;
    }

    /* Badge */
    .hero__badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--font-mono);
      font-size: 1.375rem;
      font-weight: 500;
      letter-spacing: 0.12em;
      color: var(--accent);
      background-color: var(--accent-glow);
      border: 1px solid var(--accent-glow-strong);
      border-radius: 100px;
      padding: 0.375rem 0.875rem;
      margin-bottom: 2rem;
      animation: fadeUp 0.6s ease both;
      animation-delay: 0.3s;
    }

    .hero__badge-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background-color: var(--accent);
      animation: pulse-dot 1.8s ease-in-out infinite;
      flex-shrink: 0;
    }

    /* Headline */
    .hero__headline {
      font-family: var(--font-display);
      font-size: clamp(3.25rem, 7vw, 5.5rem);
      font-weight: 800;
      line-height: 1.05;
      color: var(--text-primary);
      margin-bottom: 1.5rem;
      letter-spacing: -0.02em;
      animation: fadeUp 0.6s ease both;
      animation-delay: 0.5s;
    }

    .hero__headline-accent {
      color: var(--accent);
    }

    /* Subline */
    .hero__subline {
      font-size: clamp(1.25rem, 2.5vw, 1.75rem);
      font-weight: 500;
      color: var(--text-secondary);
      line-height: 1.5;
      max-width: 720px;
      margin: 0 auto 2.5rem;
      animation: fadeUp 0.6s ease both;
      animation-delay: 0.7s;
    }

    /* CTAs */
    .hero__ctas {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 1rem;
      margin-bottom: 4rem;
      animation: fadeUp 0.6s ease both;
      animation-delay: 0.9s;
    }

    @media (max-width: 640px) {
      .hero__ctas {
        flex-direction: column;
        align-items: stretch;
      }

      .hero__ctas .btn {
        justify-content: center;
      }
    }

    /* Stats */
    .hero__stats {
      border-top: 1px solid var(--border);
      padding-top: 2.5rem;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      animation: fadeUp 0.6s ease both;
      animation-delay: 1.1s;
    }

    .hero__stat {
      text-align: center;
    }

    .hero__stat-number {
      font-family: var(--font-mono);
      font-size: clamp(1.75rem, 3vw, 2.25rem);
      font-weight: 500;
      color: var(--text-primary);
      line-height: 1;
      margin-bottom: 0.5rem;
    }

    .hero__stat-label {
      font-size: 1.375rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    @media (max-width: 640px) {
      .hero__stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
      }
    }

    /* Hero product screenshot */
    .hero__product {
      margin-top: 4rem;
      position: relative;
      max-width: 1000px;
      opacity: 0;
      transform: translateY(60px) perspective(1000px) rotateX(5deg);
      animation: heroProduct 1s 1.3s forwards cubic-bezier(0.16, 1, 0.3, 1);
    }

    @keyframes heroProduct {
      to { opacity: 1; transform: translateY(0) perspective(1000px) rotateX(0deg); }
    }

    .hero__product-frame {
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: 0 25px 60px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.04);
    }

    [data-theme="dark"] .hero__product-frame {
      box-shadow: 0 25px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.06);
    }

    .hero__product-frame img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* ============================================================
       SOCIAL PROOF
    ============================================================ */
    .social-proof {
      padding: 2rem 0 3rem;
      text-align: center;
    }

    .social-proof__quote {
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 500;
      font-style: italic;
      color: var(--text-secondary);
      max-width: 700px;
      margin: 0 auto 1.5rem;
      line-height: 1.6;
    }

    .social-proof__attribution {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--text-muted);
    }

    .social-proof__stats {
      display: flex;
      justify-content: center;
      gap: 4rem;
      margin-top: 3rem;
      padding-top: 2rem;
      border-top: 1px solid var(--border-subtle);
    }

    .social-proof__stat-value {
      font-family: var(--font-mono);
      font-size: 2.5rem;
      font-weight: 500;
      color: var(--text-primary);
    }

    .social-proof__stat-label {
      font-size: 1.375rem;
      color: var(--text-muted);
      margin-top: 0.25rem;
    }

    @media (max-width: 640px) {
      .social-proof__stats { flex-direction: column; gap: 1.5rem; }
    }

    /* ============================================================
       PRODUCT SHOWCASE
    ============================================================ */
    .showcase {
      padding: 0 0 3rem;
      position: relative;
    }

    .showcase__tabs {
      display: flex;
      justify-content: center;
      gap: 0.25rem;
      margin-bottom: 2.5rem;
      background: var(--bg-secondary);
      padding: 0.35rem;
      border-radius: 10px;
      width: fit-content;
      margin-left: auto;
      margin-right: auto;
    }

    .showcase__tab {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      font-weight: 500;
      padding: 0.65rem 1.5rem;
      border: none;
      background: transparent;
      color: var(--text-muted);
      cursor: pointer;
      border-radius: 8px;
      transition: all 0.25s ease;
    }

    .showcase__tab:hover {
      color: var(--text-secondary);
    }

    .showcase__tab.active {
      background: var(--bg-card);
      color: var(--text-primary);
      box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    }

    .showcase__frame {
      max-width: 1100px;
      margin: 0 auto;
      position: relative;
    }

    .showcase__img-wrap {
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow:
        0 4px 6px rgba(0,0,0,0.04),
        0 20px 40px rgba(0,0,0,0.06),
        0 0 0 1px rgba(0,0,0,0.02);
      display: none;
      transition: opacity 0.4s ease;
    }

    .showcase__img-wrap.active {
      display: block;
    }

    [data-theme="dark"] .showcase__img-wrap {
      box-shadow:
        0 4px 6px rgba(0,0,0,0.2),
        0 20px 40px rgba(0,0,0,0.3),
        0 0 0 1px rgba(255,255,255,0.05);
    }

    .showcase__img-wrap img {
      width: 100%;
      height: auto;
      display: block;
    }

    .showcase__dots {
      display: flex;
      gap: 6px;
      padding: 10px 16px;
      background: var(--bg-card);
      border-bottom: 1px solid var(--border);
    }

    .showcase__dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--border);
    }

    .showcase__dot:first-child { background: #ef4444; }
    .showcase__dot:nth-child(2) { background: #eab308; }
    .showcase__dot:nth-child(3) { background: #22c55e; }

    @media (max-width: 640px) {
      .showcase__tabs {
        width: 100%;
        overflow-x: auto;
      }
      .showcase__tab {
        font-size: 1.375rem;
        padding: 0.5rem 1rem;
      }
    }

    /* ============================================================
       PROBLEM SECTION
    ============================================================ */
    .problem__chart {
      margin-top: 3rem;
      border: 1px solid var(--border);
      background: var(--bg-card);
      padding: 2rem 2.5rem 1.5rem;
      overflow: hidden;
    }

    .problem__chart-legend {
      display: flex;
      gap: 2rem;
      margin-bottom: 1.5rem;
    }

    .problem__legend-item {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--text-secondary);
    }

    .problem__legend-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .problem__chart svg {
      width: 100%;
      height: auto;
      display: block;
    }

    .problem__chart-line {
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .problem__chart-line--actual {
      stroke: var(--green);
      stroke-dasharray: 800;
      stroke-dashoffset: 800;
      transition: stroke-dashoffset 2s ease-out;
    }

    .problem__chart-line--aggregator {
      stroke: var(--danger);
      stroke-width: 1.5;
      stroke-dasharray: 600;
      stroke-dashoffset: 600;
      transition: stroke-dashoffset 2s ease-out 0.5s;
    }

    .problem__chart.animated .problem__chart-line--actual {
      stroke-dashoffset: 0;
    }

    .problem__chart.animated .problem__chart-line--aggregator {
      stroke-dashoffset: 0;
    }

    .problem__chart-error-zone {
      opacity: 0;
      transition: opacity 1s 1.5s ease;
    }

    .problem__chart.animated .problem__chart-error-zone {
      opacity: 1;
    }

    .problem__chart-annotation {
      font-family: var(--font-mono);
      font-size: 12px;
      fill: var(--text-muted);
    }

    .problem__source {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--text-muted);
      margin-top: 1.5rem;
    }

    .problem__chart-axis-label {
      font-family: var(--font-mono);
      font-size: 12px;
      fill: var(--text-muted);
    }

    /* ============================================================
       VS COMPARISON CHART
    ============================================================ */
    .vs-compare {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      gap: 0;
      align-items: stretch;
    }

    .vs-compare__card {
      border-radius: 12px;
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .vs-compare__card--them {
      background: var(--danger-dim);
      border: 1px solid rgba(220,38,38,0.15);
    }

    .vs-compare__card--us {
      background: rgba(16,185,129,0.04);
      border: 1px solid rgba(16,185,129,0.15);
    }

    .vs-compare__header {
      font-family: var(--font-display);
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 0.25rem;
    }

    .vs-compare__header--them { color: var(--danger); }
    .vs-compare__header--us { color: var(--green); }

    .vs-compare__sublabel {
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 600;
      letter-spacing: 0.03em;
      text-transform: uppercase;
      margin-bottom: 1rem;
      white-space: nowrap;
    }

    .vs-compare__sublabel--them { color: var(--text-muted); }
    .vs-compare__sublabel--us { color: var(--green); }

    .vs-compare__canvas {
      width: 100%;
      height: 220px;
      border-radius: 8px;
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
    }

    .vs-compare__info {
      text-align: center;
      margin-top: 1rem;
    }

    .vs-compare__time {
      font-family: var(--font-display);
      font-size: 1.375rem;
    }

    .vs-compare__time--them { color: var(--text-muted); }
    .vs-compare__time--us { color: var(--green); }

    .vs-compare__price {
      font-family: var(--font-display);
      font-size: 2.25rem;
      font-weight: 800;
      margin: 0.25rem 0;
    }

    .vs-compare__price--them { color: var(--danger); }
    .vs-compare__price--us { color: var(--green); }

    .vs-compare__datapoints {
      font-family: var(--font-display);
      font-size: 1.375rem;
      color: var(--text-muted);
      white-space: nowrap;
    }

    .vs-section-box {
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 2.5rem;
      background: var(--bg-card);
      box-shadow: 0 4px 24px rgba(0,0,0,0.04);
      overflow: visible;
    }

    .vs-section-box--pricing {
      padding: 2rem 1.5rem;
    }

    /* Feature rows — alternating layout */
    .vs-feature-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
      align-items: center;
      margin-bottom: 1.5rem;
    }

    .vs-feature-row--reverse {
      direction: rtl;
    }

    .vs-feature-row--reverse > * {
      direction: ltr;
    }

    .vs-feature-row__visual {
      width: 100%;
      padding: 1.25rem;
      border-radius: 16px;
      position: relative;
    }

    .vs-feature-row__visual--them {
      background: linear-gradient(135deg, rgba(220,38,38,0.08), rgba(220,38,38,0.03));
    }

    .vs-feature-row__visual--us {
      background: linear-gradient(135deg, rgba(16,185,129,0.08), rgba(16,185,129,0.03));
    }

    .vs-feature-row__card {
      border-radius: 16px;
      padding: 0;
      overflow: hidden;
      background: var(--bg-card);
      border: 1px solid var(--border);
      box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    }

    .vs-feature-row__card--them {
      border-color: rgba(220,38,38,0.15);
    }

    .vs-feature-row__card--them::before {
      content: '';
      display: block;
      height: 6px;
      background: linear-gradient(90deg, var(--danger), rgba(220,38,38,0.3));
      border-radius: 16px 16px 0 0;
    }

    .vs-feature-row__card--us {
      border-color: rgba(16,185,129,0.15);
    }

    .vs-feature-row__card--us::before {
      content: '';
      display: block;
      height: 6px;
      background: linear-gradient(90deg, var(--green), rgba(16,185,129,0.3));
      border-radius: 16px 16px 0 0;
    }

    .vs-feature-row__card .vs-compare__canvas {
      border-radius: 0;
      border: none;
      border-top: none;
    }

    .vs-feature-row__text {
      padding: 0;
    }

    .vs-feature-row__label {
      font-family: var(--font-display);
      font-size: clamp(1.75rem, 3vw, 2.25rem);
      font-weight: 700;
      margin-bottom: 0.25rem;
    }

    .vs-feature-row__label--them { color: var(--danger); }
    .vs-feature-row__label--us { color: var(--green); }

    .vs-feature-row__title {
      font-family: var(--font-display);
      font-size: clamp(1.75rem, 3vw, 2.25rem);
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 1rem;
    }

    .vs-feature-row__desc {
      font-size: 1.375rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 1.5rem;
    }

    .vs-feature-row__stat {
      margin-bottom: 0.75rem;
    }

    .vs-feature-row__stat-label {
      font-family: var(--font-display);
      font-size: 1.375rem;
      color: var(--text-muted);
      margin-bottom: 0.25rem;
    }

    .vs-feature-row__stat-value {
      font-family: var(--font-display);
      font-size: 2.5rem;
      font-weight: 800;
    }

    .vs-feature-row__stat-value--them { color: var(--danger); }
    .vs-feature-row__stat-value--us { color: var(--green); }

    .vs-feature-row__bullets {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .vs-feature-row__bullet {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-family: var(--font-display);
      font-size: 1.375rem;
      color: var(--text-secondary);
      padding: 0.5rem 0;
    }

    .vs-feature-row__bullet-icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      font-weight: 700;
      flex-shrink: 0;
    }

    .vs-feature-row__bullet-icon--them {
      background: var(--danger-dim);
      color: var(--danger);
    }

    .vs-feature-row__bullet-icon--us {
      background: rgba(16,185,129,0.12);
      color: var(--green);
    }

    @media (max-width: 640px) {
      .vs-feature-row { grid-template-columns: 1fr; gap: 1.5rem; }
      .vs-feature-row--reverse { direction: ltr; }
    }

    .vs-compare__vs {
      display: none; /* no longer needed */
    }

    @media (max-width: 640px) {
      .vs-compare { grid-template-columns: 1fr; gap: 1rem; }
      .vs-compare__vs { padding: 0.5rem 0; }
    }

    /* ============================================================
       METHODOLOGY SECTION — TRADE SCENARIO
    ============================================================ */
    .trade-scenario {
      margin-top: 3rem;
    }

    .trade-scenario__header {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 1.5rem;
      font-family: var(--font-mono);
      font-size: 1.375rem;
    }

    .trade-scenario__token {
      font-weight: 500;
      color: var(--text-primary);
      padding: 0.4rem 0.8rem;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 6px;
    }

    .trade-scenario__detail {
      color: var(--text-muted);
    }

    .trade-scenario__cards {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
    }

    .trade-scenario__card {
      padding: 1.5rem;
      border-radius: 8px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      font-family: var(--font-mono);
    }

    .trade-scenario__card--exact {
      border-color: var(--green);
      box-shadow: 0 0 20px var(--green-glow);
    }

    .trade-scenario__card-label {
      font-size: 1.375rem;
      font-weight: 500;
      color: var(--text-muted);
      margin-bottom: 1rem;
      padding-bottom: 0.75rem;
      border-bottom: 1px solid var(--border-subtle);
    }

    .trade-scenario__card-row {
      display: flex;
      justify-content: space-between;
      padding: 0.4rem 0;
      font-size: 1.375rem;
      color: var(--text-secondary);
    }

    .trade-scenario__card-row span:first-child {
      font-weight: 600;
      color: var(--text-primary);
    }

    .trade-scenario__val--muted {
      color: var(--text-muted);
      font-weight: 500;
    }

    .trade-scenario__val--exact {
      color: var(--green);
      font-weight: 500;
    }

    .trade-scenario__card-note {
      font-size: 1.375rem;
      color: var(--text-muted);
      margin-top: 1rem;
      padding-top: 0.75rem;
      border-top: 1px solid var(--border-subtle);
      font-style: italic;
    }

    .trade-scenario__impact {
      margin-top: 1.5rem;
    }

    .trade-scenario__impact-math {
      padding: 1.5rem;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      font-family: var(--font-mono);
    }

    .trade-scenario__impact-row {
      display: flex;
      justify-content: space-between;
      padding: 0.5rem 0;
      font-size: 1.375rem;
      color: var(--text-secondary);
      border-bottom: 1px solid var(--border-subtle);
    }

    .trade-scenario__impact-row--total {
      border-bottom: none;
      padding-top: 0.75rem;
      margin-top: 0.25rem;
      border-top: 2px solid var(--accent);
    }

    .trade-scenario__impact-label {
      font-weight: 500;
    }

    .trade-scenario__impact-val {
      font-weight: 500;
      color: var(--accent);
    }

    .trade-scenario__impact-val--big {
      font-size: 1.375rem;
      font-weight: 600;
    }

    .trade-scenario__impact-note {
      margin-top: 1rem;
      font-family: var(--font-display);
      font-size: 1.375rem;
      color: var(--text-muted);
      font-style: italic;
    }

    /* Timeline scrubber */
    .trade-scenario__timeline {
      margin-top: 2rem;
      padding: 1.5rem;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
    }

    .trade-scenario__timeline-labels {
      margin-bottom: 0.5rem;
    }

    .trade-scenario__timeline-row {
      display: flex;
      justify-content: space-between;
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--text-secondary);
      margin-top: 0.5rem;
    }

    .trade-scenario__timeline-dots-sparse {
      position: relative;
      height: 20px;
      margin-bottom: 0.25rem;
      background: var(--bg-primary);
      border-radius: 4px;
      border: 1px solid var(--danger-dim);
    }

    .trade-scenario__dot {
      position: absolute;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      top: 2px;
      transform: translateX(-50%);
    }

    .trade-scenario__dot--sparse {
      background: var(--danger);
      opacity: 0.7;
      width: 10px;
      height: 10px;
      top: 4px;
    }

    .trade-scenario__timeline-dots-dense {
      height: 20px;
      border-radius: 4px;
      border: 1px solid var(--green-glow);
      background: repeating-linear-gradient(
        90deg,
        var(--green) 0px,
        var(--green) 2px,
        transparent 2px,
        transparent 6px
      );
      border-radius: 2px;
      opacity: 0.6;
    }

    @media (max-width: 640px) {
      .trade-scenario__cards { grid-template-columns: 1fr; }
    }

    /* Keep old method classes for backward compat but hide them */
    .method__timeline {
      margin-top: 4rem;
      position: relative;
      padding: 3rem 0;
    }

    .method__timeline-line {
      position: absolute;
      top: 50%;
      left: 0;
      right: 0;
      height: 1px;
      background: var(--border);
    }

    .method__timeline-points {
      display: flex;
      justify-content: space-between;
      position: relative;
      z-index: 1;
    }

    .method__point {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.75rem;
      flex: 1;
    }

    .method__point-dot {
      width: 16px;
      height: 16px;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .method__point-dot--daily {
      background: var(--danger);
      box-shadow: 0 0 40px 20px var(--danger-dim);
    }

    .method__point-dot--hourly {
      background: var(--warning);
      box-shadow: 0 0 25px 12px var(--warning-dim);
    }

    .method__point-dot--exact {
      background: var(--green);
      box-shadow: 0 0 16px 4px var(--green-glow);
    }

    .method__point-label {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      font-weight: 500;
    }

    .method__point-label--daily  { color: var(--danger); }
    .method__point-label--hourly { color: var(--warning); }
    .method__point-label--exact  { color: var(--green); }

    .method__point-desc {
      font-size: 1.375rem;
      color: var(--text-muted);
    }

    .method__point-band {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--text-muted);
      padding: 0.2rem 0.6rem;
      border: 1px solid var(--border);
    }

    .method__point-band--exact {
      color: var(--green);
      border-color: var(--green-glow);
    }

    .method__code {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--accent);
      background: var(--bg-card);
      border: 1px solid rgba(16, 185, 129, 0.15);
      padding: 1.25rem 1.5rem;
      margin-top: 3rem;
      max-width: 520px;
      line-height: 1.9;
    }

    .method__code .dim { color: var(--text-muted); }
    .method__code .val { color: var(--accent); }

    @media (max-width: 968px) {
      .method__timeline-line {
        top: 0;
        bottom: 0;
        left: 2rem;
        right: auto;
        width: 1px;
        height: auto;
      }

      .method__timeline-points {
        flex-direction: column;
        gap: 2.5rem;
        padding-left: 4rem;
      }

      .method__point {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
      }
    }

    /* ============================================================
       HOW IT WORKS SECTION
    ============================================================ */
    .how__steps {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      margin-top: 4rem;
      border: 1px solid var(--border);
    }

    .how__step {
      padding: 3rem;
      border-right: 1px solid var(--border);
      transition: background 0.3s;
    }

    .how__step:last-child {
      border-right: none;
    }

    .how__step:hover {
      background: var(--bg-card-hover);
    }


    .how__step-num {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      font-weight: 500;
      color: var(--accent);
      letter-spacing: 0.1em;
      margin-bottom: 2rem;
    }

    .how__step-title {
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
    }

    .how__step-text {
      font-size: 1.375rem;
      color: var(--text-secondary);
      line-height: 1.65;
    }

    .how__step-timing {
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.5rem;
      padding-bottom: 1.5rem;
      border-bottom: 1px solid var(--border-subtle);
    }

    .how__step-timer {
      flex-shrink: 0;
    }

    .how__step-timer canvas {
      display: block;
    }

    @media (max-width: 968px) {
      .how__steps {
        grid-template-columns: 1fr;
      }

      .how__step {
        border-right: none;
        border-bottom: 1px solid var(--border);
      }

      .how__step:last-child {
        border-bottom: none;
      }
    }

    /* ============================================================
       TASK 7 — SUPPORTED PLATFORMS
    ============================================================ */
    .exchanges__grid {
      display: flex;
      flex-wrap: wrap;
      gap: 1px;
      margin-top: 3rem;
      background: var(--border);
      border: 1px solid var(--border);
    }

    .exchange__item {
      flex: 1 1 calc(25% - 1px);
      min-width: 180px;
      padding: 2rem 1.5rem;
      background: var(--bg-card);
      display: flex;
      flex-direction: row;
      align-items: center;
      gap: 1rem;
      transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    }

    .exchange__item:hover {
      background: var(--bg-card-hover);
    }

    .exchange__icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-mono);
      font-size: 1.375rem;
      font-weight: 500;
      color: var(--bg-primary);
      flex-shrink: 0;
    }

    .exchange__name {
      font-weight: 700;
      font-size: 1.375rem;
    }

    .exchange__type {
      font-size: 1.375rem;
      color: var(--text-muted);
    }

    .chains__row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      margin-top: 1px;
      background: var(--border);
    }

    .chain__item {
      padding: 1.75rem 2rem;
      background: var(--bg-card);
      display: flex;
      flex-direction: row;
      align-items: center;
      gap: 1rem;
    }

    .chain__icon {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-mono);
      font-size: 1.375rem;
      font-weight: 500;
      flex-shrink: 0;
    }

    .chain__name {
      font-weight: 700;
      font-size: 1.375rem;
    }

    .chain__tag {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--accent);
      padding: 0.15rem 0.5rem;
      border: 1px solid rgba(16, 185, 129, 0.2);
      background: rgba(16, 185, 129, 0.06);
      margin-left: auto;
      white-space: nowrap;
    }

    @media (max-width: 640px) {
      .exchange__item {
        flex: 1 1 calc(50% - 1px);
      }

      .chains__row {
        grid-template-columns: 1fr;
      }
    }

    /* ============================================================
       COST OF IMPRECISION — COMPOUND CARDS
    ============================================================ */
    .compound-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }

    .compound-card {
      padding: 2rem;
      border-radius: 12px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      text-align: center;
      transition: transform 0.25s, box-shadow 0.25s;
    }

    .compound-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    }

    .compound-card__trades {
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 1.5rem;
    }

    .compound-card__error {
      margin-bottom: 1.5rem;
    }

    .compound-card__error-label {
      font-size: 1.375rem;
      color: var(--text-muted);
      margin-bottom: 0.5rem;
    }

    .compound-card__error-amount {
      font-family: var(--font-display);
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--danger);
      line-height: 1;
    }

    .compound-card--highlight {
      border-color: var(--danger);
      box-shadow: 0 0 0 1px var(--danger-dim);
    }

    .compound-card--highlight .compound-card__error-amount {
      font-size: 3rem;
    }

    .compound-card--severe {
      background: var(--danger);
      border-color: var(--danger);
      color: #fff;
    }

    .compound-card--severe .compound-card__trades {
      color: #fff;
    }

    .compound-card--severe .compound-card__error-label {
      color: rgba(255,255,255,0.7);
    }

    .compound-card--severe .compound-card__error-amount {
      color: #fff;
      font-size: 3.25rem;
    }

    .compound-card--severe .compound-card__context {
      color: rgba(255,255,255,0.8);
    }

    .compound-card__context {
      font-size: 1.375rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    @media (max-width: 640px) {
      .compound-grid { grid-template-columns: 1fr; }
    }

    /* ============================================================
       COMPARISON GRID
    ============================================================ */
    .compare-grid {
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      background: var(--bg-card);
    }

    .compare-grid__header {
      display: grid;
      grid-template-columns: 180px 1fr 1fr;
      background: var(--bg-secondary);
      border-bottom: 1px solid var(--border);
    }

    .compare-grid__header-cell {
      padding: 1rem 1.5rem;
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    .compare-grid__header-cell--them {
      text-align: center;
      color: var(--danger);
      font-size: 1.375rem;
    }

    .compare-grid__header-cell--us {
      text-align: center;
      color: var(--green);
      font-weight: 700;
      font-size: 1.375rem;
    }

    .compare-grid__row {
      display: grid;
      grid-template-columns: 180px 1fr 1fr;
      border-bottom: 1px solid var(--border-subtle);
      transition: background 0.2s;
    }

    .compare-grid__row:last-child {
      border-bottom: none;
    }

    .compare-grid__row:hover {
      background: var(--bg-card-hover);
    }

    .compare-grid__category {
      padding: 1.25rem 1.5rem;
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 600;
      color: var(--text-primary);
      display: flex;
      align-items: center;
    }

    .compare-grid__cell {
      padding: 1.25rem 1.5rem;
      display: flex;
      flex-direction: row;
      align-items: center;
      justify-content: center;
      gap: 1rem;
    }

    .compare-grid__cell--them {
      background: var(--danger-dim);
    }

    .compare-grid__cell--us {
      background: rgba(16, 185, 129, 0.04);
    }

    [data-theme="dark"] .compare-grid__cell--us {
      background: rgba(52, 211, 153, 0.04);
    }

    .compare-icon {
      width: 72px;
      height: 72px;
      flex-shrink: 0;
      overflow: hidden;
    }

    @keyframes compare-jitter {
      0%, 100% { transform: translate(0, 0); }
      25% { transform: translate(1px, -1px); }
      50% { transform: translate(-1px, 1px); }
      75% { transform: translate(1px, 0.5px); }
    }

    @keyframes compare-pulse {
      0%, 100% { opacity: 0.5; transform: scale(1); }
      50% { opacity: 0.8; transform: scale(1.08); }
    }

    @keyframes compare-drift-left {
      0%, 100% { transform: translateX(0); }
      50% { transform: translateX(-2px); }
    }

    @keyframes compare-drift-right {
      0%, 100% { transform: translateX(0); }
      50% { transform: translateX(2px); }
    }

    .compare-jitter {
      animation: compare-jitter 2s ease-in-out infinite;
    }

    .compare-pulse {
      animation: compare-pulse 3s ease-in-out infinite;
    }

    .compare-drift-left {
      animation: compare-drift-left 3s ease-in-out infinite;
    }

    .compare-drift-right {
      animation: compare-drift-right 3s ease-in-out infinite;
    }

    .compare-grid__val--bad {
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 500;
      color: var(--danger);
    }

    .compare-grid__val--good {
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 600;
      color: var(--green);
    }

    @media (max-width: 640px) {
      .compare-grid__header,
      .compare-grid__row {
        grid-template-columns: 1fr;
      }
      .compare-grid__category {
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-subtle);
      }
      .compare-grid__cell {
        justify-content: flex-start;
        padding: 1rem 1.5rem;
      }
      .compare-grid__header-cell:first-child {
        display: none;
      }
    }

    /* ============================================================
       TASK 9 — PRICING
    ============================================================ */
    .pricing__header {
      text-align: center;
      margin-bottom: 1.5rem;
    }

    .pricing__header .section__desc {
      margin: 0 auto;
    }

    .pricing__grid {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 1.25rem;
    }

    .pricing__grid--4col {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .pricing__split {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    .pricing__card--half {
      padding: 1rem 0.75rem;
      flex: 1;
    }

    .pricing__card--half .pricing__price {
      font-size: 1.75rem;
    }

    .pricing__card--half .pricing__features {
      margin-bottom: 1rem;
    }

    .pricing__card--half .pricing__feature {
      padding: 0.6rem 0;
    }

    .pricing__card {
      box-sizing: border-box;
      padding: 1.25rem 1rem;
      border: 1px solid var(--border);
      border-radius: 16px;
      position: relative;
      transition: transform 0.25s cubic-bezier(0.16,1,0.3,1), box-shadow 0.25s;
      display: flex;
      flex-direction: column;
      background: var(--bg-card);
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
      width: 100%;
    }

    .pricing__card:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    }

    .pricing__card--featured {
      border-color: var(--accent);
      background: linear-gradient(180deg, rgba(16,185,129,0.06) 0%, var(--bg-card) 100%);
      box-shadow: 0 0 0 3px var(--accent), 0 8px 28px var(--accent-glow-strong);
      position: relative;
      transform: translateY(-6px);
    }

    .pricing__card--featured:hover {
      box-shadow: 0 0 0 3px var(--accent), 0 14px 40px var(--accent-glow-strong);
      transform: translateY(-8px);
    }

    .pricing__card--featured .pricing__tier {
      color: var(--accent);
    }

    /* ============================================================
       OBSIDIAN & FLAME — THEME ENHANCEMENTS
    ============================================================ */

    /* Hero glow: warm copper radial */
    .hero__glow {
      background: radial-gradient(ellipse at 50% 50%, var(--accent-glow-strong) 0%, transparent 60%) !important;
    }

    /* Section dividers: copper gradient lines */
    .section--border {
      border-top: none;
      position: relative;
    }
    .section--border::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: min(80%, 900px);
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--accent-glow), var(--accent), var(--accent-glow), transparent);
    }

    /* Section labels use the accent */
    .section__label--accent {
      color: var(--accent);
      font-size: 3.4375rem;
    }

    /* Pricing featured card: copper top border */
    .pricing__card--featured::before {
      background: var(--accent) !important;
    }

    /* Pricing badge */
    .pricing__badge {
      background: var(--accent) !important;
    }

    /* Social proof stat values: accent */
    .social-proof__stat-value {
      color: var(--accent) !important;
    }

    /* Hero stat units: accent */
    .hero__stat-value .unit {
      color: var(--accent);
    }

    /* Showcase active tab */
    .showcase__tab.active {
      border-bottom: 2px solid var(--accent);
    }

    /* Chain tags */
    .chain__tag {
      color: var(--accent) !important;
      border-color: var(--accent-glow) !important;
      background: var(--accent-glow) !important;
    }

    /* Footer: accent gradient line */
    .footer {
      border-top: none !important;
      position: relative;
    }
    .footer::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: min(80%, 900px);
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--accent-glow), var(--accent), var(--accent-glow), transparent);
    }

    /* Final CTA glow */
    .final-cta__glow {
      background: radial-gradient(ellipse, var(--accent-glow-strong) 0%, transparent 60%) !important;
    }

    /* Comparison industry bars: muted accent */
    .compare__bar-fill--industry {
      background: var(--accent) !important;
      opacity: 0.35;
    }

    /* Comparison "ours" bars: solid accent gradient */
    .compare__bar-fill--ours {
      background: linear-gradient(90deg, var(--accent), var(--accent-dim)) !important;
      opacity: 1;
    }

    /* Pipeline line */
    .how__pipeline-line-fill {
      background: linear-gradient(90deg, var(--accent-glow-strong), var(--accent)) !important;
    }

    /* Button hover */
    .btn--primary:hover {
      filter: brightness(1.1) !important;
    }

    .btn--ghost:hover {
      border-color: var(--accent) !important;
      color: var(--accent) !important;
    }

    /* --- ACCENT BACKGROUND SECTIONS --- */
    .section--accent-bg {
      background: var(--accent) !important;
      color: #fff;
    }
    .section--accent-bg .section__label,
    .section--accent-bg .section__label--accent {
      color: rgba(255,255,255,0.7);
    }
    .section--accent-bg .section__title {
      color: #fff;
    }
    .section--accent-bg .section__desc {
      color: rgba(255,255,255,0.85);
    }
    .section--accent-bg .problem__chart {
      background: rgba(0,0,0,0.15);
      border-color: rgba(255,255,255,0.15);
      box-shadow: none;
    }
    .section--accent-bg .problem__legend-item {
      color: rgba(255,255,255,0.8);
    }
    .section--accent-bg .problem__source {
      color: rgba(255,255,255,0.5);
    }
    .section--accent-bg .problem__chart-axis-label {
      fill: rgba(255,255,255,0.5);
    }
    .section--accent-bg .problem__chart-annotation {
      fill: rgba(255,255,255,0.7);
    }
    .section--accent-bg .problem__chart-line--actual {
      stroke: #fff;
    }
    .section--accent-bg .problem__chart-line--aggregator {
      stroke: rgba(255,255,255,0.4);
    }
    .section--accent-bg .problem__chart-error-zone {
      fill: rgba(0,0,0,0.15);
    }
    .section--accent-bg .problem__legend-dot:first-child {
      background: #fff !important;
    }
    .section--accent-bg .problem__legend-dot:last-child {
      background: rgba(255,255,255,0.4) !important;
    }

    /* Final CTA accent bg */
    .final-cta.section--accent-bg .final-cta__title {
      color: #fff;
    }
    .final-cta.section--accent-bg .final-cta__sub {
      color: rgba(255,255,255,0.85);
    }
    .final-cta.section--accent-bg .final-cta__glow {
      background: radial-gradient(ellipse, rgba(255,255,255,0.1) 0%, transparent 60%) !important;
    }
    .final-cta.section--accent-bg .btn--primary {
      background: #fff !important;
      color: var(--accent) !important;
      border-color: #fff !important;
    }
    .final-cta.section--accent-bg .btn--primary:hover {
      background: rgba(255,255,255,0.9) !important;
      box-shadow: 0 8px 30px rgba(0,0,0,0.2) !important;
    }

    /* Showcase on accent bg */
    .showcase.section--accent-bg {
      padding: 3rem 0;
    }
    .showcase.section--accent-bg .showcase__tabs {
      background: rgba(255,255,255,0.15);
    }
    .showcase.section--accent-bg .showcase__tab {
      color: rgba(255,255,255,0.6);
    }
    .showcase.section--accent-bg .showcase__tab:hover {
      color: rgba(255,255,255,0.8);
    }
    .showcase.section--accent-bg .showcase__tab.active {
      background: rgba(255,255,255,0.95);
      color: var(--accent);
      border-bottom: none;
    }
    .showcase.section--accent-bg .showcase__img-wrap {
      border-color: rgba(255,255,255,0.2);
      box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    }
    .showcase.section--accent-bg .showcase__dots {
      background: rgba(255,255,255,0.95);
      border-bottom-color: rgba(0,0,0,0.08);
    }

    /* Social proof subtle tint */
    .social-proof--tinted {
      background: linear-gradient(180deg, rgba(16,185,129,0.05), transparent, rgba(16,185,129,0.05));
    }
    [data-theme="dark"] .social-proof--tinted {
      background: linear-gradient(180deg, rgba(16,185,129,0.06), transparent, rgba(16,185,129,0.06));
    }

    /* --- LIGHT MODE SPECIFICS --- */
    [data-theme="light"] .section--warm {
      background: linear-gradient(180deg, #e8f0eb 0%, var(--bg-primary) 100%);
    }
    [data-theme="light"] .section--warm-reverse {
      background: linear-gradient(180deg, var(--bg-primary) 0%, #e8f0eb 100%);
    }
    [data-theme="light"] .footer {
      background: #e8f0eb;
    }
    [data-theme="light"] .guarantee__box {
      border-color: #c8d8ce;
      background: linear-gradient(135deg, rgba(16,185,129,0.04), transparent);
    }
    [data-theme="light"] .problem__chart {
      border-color: #c8d8ce;
      box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    }
    [data-theme="light"] .btn--primary {
      color: #fff;
    }

    /* --- DARK MODE SPECIFICS --- */
    [data-theme="dark"] .section--warm {
      background: linear-gradient(180deg, #0a1510 0%, var(--bg-primary) 100%);
    }
    [data-theme="dark"] .section--warm-reverse {
      background: linear-gradient(180deg, var(--bg-primary) 0%, #0a1510 100%);
    }
    [data-theme="dark"] .nav.scrolled {
      background: rgba(6, 12, 10, 0.88);
    }
    [data-theme="dark"] .guarantee__box {
      border-color: #1a2e22;
      background: linear-gradient(135deg, rgba(16,185,129,0.04), transparent);
    }
    [data-theme="dark"] .btn--primary {
      color: #060c0a;
    }
    [data-theme="dark"] .final-cta.section--accent-bg .btn--primary {
      color: var(--accent) !important;
    }

    .pricing__card--featured::before {
      display: none;
    }

    .pricing__tier {
      font-family: var(--font-display);
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.15rem;
    }

    .pricing__subtitle {
      font-family: var(--font-display);
      font-size: 1.375rem;
      color: var(--text-muted);
      margin-bottom: 0.5rem;
    }

    .pricing__card--featured .pricing__tier {
      color: var(--accent);
    }

    .pricing__badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      font-family: var(--font-mono);
      font-size: 1rem;
      font-weight: 500;
      color: #fff;
      background: var(--accent);
      padding: 0.2rem 1rem;
      border-radius: 20px;
      white-space: nowrap;
      z-index: 1;
    }

    .pricing__price {
      font-family: var(--font-mono);
      font-size: 2.25rem;
      font-weight: 500;
      letter-spacing: -0.04em;
      line-height: 1;
    }

    .pricing__price .currency {
      font-size: 1.5rem;
      color: var(--text-muted);
      vertical-align: top;
      position: relative;
      top: 0.3rem;
    }

    .pricing__price .period {
      font-size: 1.375rem;
      color: var(--text-muted);
      font-weight: 400;
    }

    .pricing__limit {
      font-family: var(--font-display);
      font-size: 1.375rem;
      color: var(--green);
      margin-top: 0.25rem;
      margin-bottom: 0.75rem;
      padding-bottom: 0.75rem;
      border-bottom: 1px solid var(--border-subtle);
    }

    .pricing__features {
      list-style: none;
      margin-bottom: 1rem;
      flex: 1;
    }

    .pricing__feature {
      font-size: 1.375rem;
      color: var(--text-secondary);
      padding: 0.6rem 0;
      display: flex;
      align-items: flex-start;
      gap: 0.6rem;
    }

    .pricing__feature:last-child {
      border-bottom: none;
    }

    .pricing__check {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      font-size: 0.75rem;
      font-weight: 700;
      flex-shrink: 0;
      background: rgba(16,185,129,0.12);
      color: var(--green);
    }

    .pricing__check--x {
      background: rgba(220,38,38,0.1);
      color: var(--danger);
    }

    .pricing__btn {
      width: 100%;
      text-align: center;
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 600;
      padding: 0.6rem;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: transparent;
      margin-top: auto;
      color: var(--text-secondary);
      cursor: pointer;
      transition: all 0.25s;
      white-space: nowrap;
    }

    .pricing__btn:hover {
      border-color: var(--text-muted);
      color: var(--text-primary);
      transform: translateY(-1px);
    }

    .pricing__card--featured .pricing__btn {
      background: var(--accent);
      color: #fff;
      border-color: var(--accent);
      border-radius: 10px;
    }

    .pricing__card--featured .pricing__btn:hover {
      filter: brightness(1.1);
      box-shadow: 0 4px 16px var(--accent-glow);
    }

    .pricing__trial-banner {
      display: flex;
      align-items: center;
      gap: 2rem;
      padding: 1.25rem 1.5rem;
      border: 1px solid var(--border);
      border-radius: 16px;
      background: var(--bg-card);
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    }

    .pricing__trial-text {
      flex: 1;
    }

    .pricing__trial-price {
      flex-shrink: 0;
    }

    @media (max-width: 640px) {
      .pricing__trial-banner {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
      }
    }

    .pricing__col {
      display: flex;
      flex-direction: column;
    }

    .pricing__col > .pricing__card,
    .pricing__col > .pricing__split {
      flex: 1;
    }

    /* CPA Filing Banner */
    .fullservice-banner {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 2rem;
      align-items: center;
      padding: 1.5rem 2rem;
      border-radius: 16px;
      background: linear-gradient(135deg, #1e3a5f, #3b82f6, #1e3a5f);
      color: #fff;
    }

    .fullservice-banner__title {
      font-family: var(--font-display);
      font-size: clamp(1.75rem, 3.5vw, 2.5rem);
      font-weight: 700;
      margin-bottom: 0.25rem;
    }

    .fullservice-banner__sub {
      font-size: 1.375rem;
      opacity: 0.8;
      margin-bottom: 1.25rem;
    }

    .fullservice-banner__list {
      list-style: none;
      padding: 0;
    }

    .fullservice-banner__list li {
      font-size: 1.375rem;
      padding: 0.4rem 0;
      display: flex;
      align-items: center;
      gap: 0.75rem;
      opacity: 0.9;
    }

    .fullservice-banner__list li::before {
      content: '✓';
      display: flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: rgba(255,255,255,0.15);
      font-size: 0.8rem;
      flex-shrink: 0;
    }

    .fullservice-banner__cta {
      text-align: center;
    }

    .fullservice-banner__starts {
      font-size: 1.375rem;
      opacity: 0.7;
    }

    .fullservice-banner__price {
      font-family: var(--font-display);
      font-size: clamp(2.5rem, 5vw, 3.5rem);
      font-weight: 800;
      line-height: 1;
      margin: 0.25rem 0;
    }

    .fullservice-banner__price .currency {
      font-size: 0.5em;
      vertical-align: top;
      position: relative;
      top: 0.2em;
    }

    .fullservice-banner__price .period {
      font-size: 0.4em;
      font-weight: 400;
      opacity: 0.7;
    }

    .fullservice-banner .btn--primary {
      background: #fff !important;
      color: #1e3a5f !important;
      border-color: #fff !important;
      font-weight: 700;
    }

    .fullservice-banner .btn--primary:hover {
      background: rgba(255,255,255,0.9) !important;
    }

    @media (max-width: 640px) {
      .fullservice-banner {
        grid-template-columns: 1fr;
        padding: 2rem;
        text-align: center;
      }
      .fullservice-banner__list li {
        justify-content: center;
      }
    }

    /* CPA Filing Contact Page */
    .cpa-contact-hero {
      min-height: 100vh;
      padding-top: 9rem;
      padding-bottom: 5rem;
      align-items: flex-start;
    }

    .cpa-contact {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
      gap: 2rem;
      align-items: stretch;
      width: 100%;
    }

    .cpa-contact__content {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .cpa-contact__title {
      max-width: 12ch;
    }

    .cpa-contact__desc {
      max-width: 46rem;
      margin: 0;
    }

    .cpa-contact__highlights {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1rem;
      margin-top: 2rem;
    }

    .cpa-contact__highlight {
      padding: 1.125rem 1.25rem;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: rgba(255,255,255,0.66);
      backdrop-filter: blur(18px);
      box-shadow: 0 16px 40px rgba(16, 24, 18, 0.06);
    }

    [data-theme="dark"] .cpa-contact__highlight {
      background: rgba(15, 26, 20, 0.72);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24);
    }

    .cpa-contact__highlight-label {
      display: block;
      font-size: 0.875rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 0.45rem;
    }

    .cpa-contact__highlight strong {
      display: block;
      font-size: 1.25rem;
      line-height: 1.35;
      color: var(--text-primary);
    }

    .cpa-contact__details {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1rem;
      margin-top: 1.5rem;
    }

    .cpa-contact__detail-card {
      position: relative;
      overflow: hidden;
      padding: 1.5rem;
      border-radius: 24px;
      background:
        radial-gradient(circle at top right, var(--accent-glow-strong), transparent 55%),
        var(--bg-card);
      border: 1px solid var(--border);
      box-shadow: 0 20px 48px rgba(16, 24, 18, 0.08);
    }

    [data-theme="dark"] .cpa-contact__detail-card {
      box-shadow: 0 20px 48px rgba(0, 0, 0, 0.26);
    }

    .cpa-contact__detail-index {
      font-family: var(--font-mono);
      font-size: 0.9rem;
      letter-spacing: 0.12em;
      color: var(--accent);
      margin-bottom: 0.8rem;
    }

    .cpa-contact__detail-title {
      font-size: 1.5rem;
      line-height: 1.2;
      margin-bottom: 0.75rem;
      color: var(--text-primary);
    }

    .cpa-contact__detail-copy {
      font-size: 1.125rem;
      line-height: 1.7;
      color: var(--text-secondary);
    }

    .cpa-contact__form-card {
      position: relative;
      overflow: hidden;
      padding: 2rem;
      border-radius: 28px;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.82) 0%, rgba(255,255,255,0.96) 100%);
      border: 1px solid var(--border);
      box-shadow: 0 28px 70px rgba(16, 24, 18, 0.12);
      backdrop-filter: blur(20px);
    }

    .cpa-contact__form-card::before {
      content: "";
      position: absolute;
      inset: 0 auto auto 0;
      width: 100%;
      height: 6px;
      background: linear-gradient(90deg, var(--accent), #3b82f6);
    }

    [data-theme="dark"] .cpa-contact__form-card {
      background:
        linear-gradient(180deg, rgba(15, 26, 20, 0.9) 0%, rgba(12, 22, 16, 0.96) 100%);
      box-shadow: 0 28px 70px rgba(0, 0, 0, 0.34);
    }

    .cpa-contact__form-head {
      margin-bottom: 1.5rem;
    }

    .cpa-contact__eyebrow {
      display: inline-block;
      font-family: var(--font-mono);
      font-size: 0.875rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 0.8rem;
    }

    .cpa-contact__form-title {
      font-size: clamp(2rem, 4vw, 2.6rem);
      line-height: 1.05;
      color: var(--text-primary);
      margin-bottom: 0.85rem;
    }

    .cpa-contact__form-copy {
      font-size: 1.125rem;
      line-height: 1.7;
      color: var(--text-secondary);
    }

    .cpa-contact__form {
      display: grid;
      gap: 1rem;
    }

    .cpa-contact__field {
      display: grid;
      gap: 0.5rem;
    }

    .cpa-contact__label {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-primary);
    }

    .cpa-contact__input {
      width: 100%;
      border-radius: 14px;
      border: 1px solid var(--border);
      background: var(--bg-card);
      color: var(--text-primary);
      padding: 0.95rem 1rem;
      font-size: 1.0625rem;
      transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    }

    .cpa-contact__input::placeholder {
      color: var(--text-muted);
    }

    .cpa-contact__input:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 4px var(--accent-glow);
    }

    .cpa-contact__submit {
      width: 100%;
      justify-content: center;
      margin-top: 0.5rem;
      border-radius: 14px;
      min-height: 56px;
      font-weight: 700;
    }

    .cpa-contact__submit:disabled {
      opacity: 0.7;
      cursor: wait;
      transform: none;
    }

    .cpa-contact__footnote,
    .cpa-contact__status {
      font-size: 1rem;
      line-height: 1.6;
      margin-top: 0.25rem;
    }

    .cpa-contact__footnote {
      color: var(--text-muted);
    }

    .cpa-contact__status--success {
      color: var(--accent-dim);
    }

    .cpa-contact__status--error {
      color: var(--danger);
    }

    @media (max-width: 1080px) {
      .cpa-contact {
        grid-template-columns: 1fr;
      }

      .cpa-contact__title {
        max-width: 16ch;
      }
    }

    @media (max-width: 840px) {
      .cpa-contact__highlights,
      .cpa-contact__details {
        grid-template-columns: 1fr;
      }

      .cpa-contact-hero {
        min-height: auto;
        padding-top: 8rem;
      }
    }

    @media (max-width: 640px) {
      .cpa-contact__form-card,
      .cpa-contact__detail-card,
      .cpa-contact__highlight {
        padding: 1.25rem;
      }

      .cpa-contact__title {
        max-width: none;
      }
    }

    /* Side arrow — starts at the LEFT edge of the Starter card, runs down to where the feature table begins */
    .pricing-wrap {
      position: relative;
    }

    .pricing-side-arrow {
      position: absolute;
      /* Align arrow's RIGHT edge with the container's left edge (where Starter card starts). */
      left: calc(50% - 600px - 110px);
      width: 110px;
      top: 38rem; /* aligned with the top of the Starter plan card (below the heading + trial banner) */
      bottom: -16rem; /* extends past pricing-wrap into the top of the feature table section */
      pointer-events: none;
      z-index: 2;
    }

    .pricing-side-arrow__line {
      width: 100%;
      height: 100%;
      display: block;
    }

    .pricing-side-arrow__head {
      position: absolute;
      /* Path endpoint in viewBox: (90, 560) out of (120, 600) => (75%, 93.33%) */
      left: 75%;
      top: 93.33%;
      width: 26px;
      height: 26px;
      transform: translate(-50%, -50%) rotate(75deg);
    }

    .pricing-side-arrow__text {
      display: none;
    }

    /* On narrower screens, pull the arrow into the container's padding area */
    @media (max-width: 1320px) {
      .pricing-side-arrow {
        left: 0;
        width: 60px;
      }
    }

    @media (max-width: 1100px) {
      .pricing-side-arrow { display: none; }
    }

    /* Feature Comparison Table */
    .feature-table {
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      background: var(--bg-card);
    }

    .feature-table__header {
      display: grid;
      grid-template-columns: 1.5fr repeat(5, 1fr);
      background: var(--bg-secondary);
      border-bottom: 2px solid var(--border);
    }

    .feature-table__plan {
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 700;
      color: var(--text-primary);
      padding: 1rem;
      text-align: center;
    }

    .feature-table__plan--featured {
      color: var(--accent);
      background: rgba(16,185,129,0.06);
    }

    .feature-table__category {
      display: grid;
      grid-template-columns: 1fr;
      font-family: var(--font-display);
      font-size: 1rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: #fff;
      background: var(--accent);
      padding: 0.5rem 1rem;
    }

    .feature-table__row {
      display: grid;
      grid-template-columns: 1.5fr repeat(5, 1fr);
      border-bottom: 1px solid var(--border-subtle);
    }

    .feature-table__row:last-child {
      border-bottom: none;
    }

    .feature-table__row:hover {
      background: var(--bg-card-hover);
    }

    .feature-table__label {
      font-family: var(--font-display);
      font-size: 0.95rem;
      color: var(--text-primary);
      padding: 0.5rem 0.75rem;
      display: flex;
      align-items: center;
      white-space: nowrap;
    }

    .feature-table__val {
      font-family: var(--font-display);
      font-size: 0.95rem;
      color: var(--text-secondary);
      padding: 0.5rem 0.75rem;
      text-align: center;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .feature-table__val--featured {
      background: rgba(16,185,129,0.03);
    }

    .ft-check {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: rgba(16,185,129,0.12);
      color: var(--green);
      font-size: 0.8rem;
      font-weight: 700;
    }

    .ft-x {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: rgba(220,38,38,0.1);
      color: var(--danger);
      font-size: 0.8rem;
      font-weight: 700;
    }

    @media (max-width: 900px) {
      .feature-table {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
      }
      .feature-table__header,
      .feature-table__row,
      .feature-table__category {
        min-width: 640px;
      }
    }

    @media (max-width: 640px) {
      .feature-table__header,
      .feature-table__row {
        grid-template-columns: 1fr;
      }
      .feature-table__header .feature-table__label { display: none; }
      .feature-table__val { justify-content: flex-start; }
      .feature-table__val::before {
        content: attr(data-plan);
        font-weight: 600;
        margin-right: 0.5rem;
      }
    }

    .pricing__enterprise-banner {
      font-family: var(--font-display);
      font-size: 1.375rem;
      color: var(--text-secondary);
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 0.6rem 0.75rem;
      margin-bottom: 0.75rem;
      text-align: center;
      line-height: 1.4;
    }

    .pricing__enterprise-banner strong {
      color: var(--accent);
      font-weight: 700;
    }

    /* Shared column dividers — links pricing grid with dfy section visually */
    .pricing__linked {
      position: relative;
    }

    /* Dark dotted lines INSIDE the pricing grid — span its full height */
    .pricing__linked-line {
      position: absolute;
      top: 0;
      bottom: 0;
      width: 0;
      border-left: 2px dotted rgba(60, 60, 60, 0.28);
      pointer-events: none;
      z-index: 0;
    }

    [data-theme="dark"] .pricing__linked-line {
      border-left-color: rgba(220, 220, 220, 0.22);
    }

    /* Gap centers for 4 equal columns with 1.25rem gap */
    .pricing__linked-line--1 { left: calc(25% - 5px); }
    .pricing__linked-line--2 { left: 50%; }
    .pricing__linked-line--3 { left: calc(75% + 5px); }

    @media (max-width: 640px) {
      .pricing__linked-line { display: none; }
    }

    /* Glide does it for you — full-width section */
    .pricing__dfy-section {
      margin-top: 0.5rem;
      border-radius: 20px;
      color: #fff;
      padding: 2rem 0;
      background: linear-gradient(135deg, #064e3b, #059669, #064e3b);
    }

    /* White dotted dividers inside the PRICE ROW only — skips the title area */
    .pricing__dfy-row {
      position: relative;
    }

    .pricing__dfy-row .pricing__dfy-cell {
      position: relative;
      z-index: 2;
    }

    .pricing__dfy-row::before,
    .pricing__dfy-row::after,
    .pricing__dfy-row > .pricing__dfy-divider-mid {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      width: 0;
      border-left: 2px dotted rgba(255,255,255,0.35);
      pointer-events: none;
      z-index: 0;
    }

    .pricing__dfy-row::before { left: calc(25% - 5px); }
    .pricing__dfy-row::after { left: calc(75% + 5px); }
    .pricing__dfy-row > .pricing__dfy-divider-mid { left: 50%; }

    .pricing__dfy-title-wrap {
      text-align: left;
      padding: 1.5rem 2.5rem 0.5rem;
    }

    .pricing__dfy-title {
      font-family: var(--font-display);
      font-size: clamp(2.625rem, 5.25vw, 3.75rem);
      font-weight: 700;
    }

    /* Price row reuses .pricing__grid--4col for EXACT column alignment with cards above */
    .pricing__dfy-row {
      margin: 0;
    }

    .pricing__dfy-cell {
      /* Mirror .pricing__card geometry exactly so button edges align pixel-perfect */
      box-sizing: border-box;
      padding: 1.25rem 1rem;
      border: 1px solid transparent;
      text-align: center;
      display: flex;
      flex-direction: column;
    }

    .pricing__dfy-price {
      font-family: var(--font-display);
      font-size: 1.75rem;
      font-weight: 800;
      line-height: 1;
      margin-bottom: 0.75rem;
    }

    .pricing__dfy-price span {
      font-size: 1rem;
      font-weight: 500;
      opacity: 0.7;
    }

    .pricing__dfy-btn {
      width: 100%;
      padding: 0.6rem;
      border: 1px solid rgba(255,255,255,0.3);
      border-radius: 10px;
      background: rgba(255,255,255,0.1);
      color: #fff;
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.2s;
      margin-top: auto;
    }

    .pricing__dfy-btn:hover {
      background: rgba(255,255,255,0.25);
    }

    .pricing__dfy-bullets-wrap {
      padding: 1.25rem 2.5rem 0;
    }

    .pricing__dfy-bullets {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .pricing__dfy-bullets li {
      font-size: 1.25rem;
      line-height: 1.5;
      padding: 0.4rem 0 0.4rem 1.5rem;
      position: relative;
      opacity: 0.9;
    }

    .pricing__dfy-bullets li::before {
      content: '✓';
      position: absolute;
      left: 0;
      font-weight: 700;
    }

    .pricing__addon-external {
      text-align: center;
      padding: 0.75rem;
      margin-top: 0.5rem;
      background: linear-gradient(135deg, #064e3b, #059669, #064e3b);
      border: none;
      border-radius: 10px;
      color: #fff;
    }

    .pricing__addon-external .pricing__addon-label {
      color: rgba(255,255,255,0.8);
    }

    .pricing__addon-external .pricing__addon-btn {
      background: rgba(255,255,255,0.15);
      border-color: rgba(255,255,255,0.3);
      color: #fff;
    }

    .pricing__addon-external .pricing__addon-btn:hover {
      background: rgba(255,255,255,0.25);
      color: #fff;
    }

    .pricing__addon {
      margin-top: 0.75rem;
      padding-top: 0.75rem;
      border-top: 1px dashed var(--border);
      text-align: center;
    }

    .pricing__addon-label {
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 0.5rem;
    }

    .pricing__addon-btn {
      width: 100%;
      text-align: center;
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 600;
      padding: 0.65rem;
      border: 2px solid var(--accent);
      border-radius: 10px;
      background: transparent;
      color: var(--accent);
      cursor: pointer;
      transition: all 0.25s;
      white-space: nowrap;
    }

    .pricing__addon-btn:hover {
      background: var(--accent);
      color: #fff;
      transform: translateY(-1px);
    }

    .pricing__addon--na .pricing__addon-label {
      color: var(--text-muted);
      font-weight: 500;
    }

    .pricing__addon--na .pricing__addon-btn {
      border-color: var(--border);
      color: var(--text-muted);
      cursor: default;
      font-weight: 400;
    }

    .pricing__addon--na .pricing__addon-btn:hover {
      background: transparent;
      color: var(--text-muted);
      transform: none;
    }

    @media (max-width: 968px) {
      .pricing__grid {
        grid-template-columns: 1fr;
      }

      .pricing__card {
        border-right: none;
        border-bottom: 1px solid var(--border);
      }

      .pricing__card:last-child {
        border-bottom: none;
      }
    }

    /* ============================================================
       TASK 10 — GUARANTEE
    ============================================================ */
    .guarantee__box {
      border: 1px solid var(--border);
      padding: 4rem;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 3rem;
      align-items: center;
    }

    .guarantee__icon {
      width: 140px;
      height: 140px;
      border: 2px solid var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .guarantee__icon-inner {
      font-family: var(--font-mono);
      font-size: 1.5rem;
      font-weight: 500;
      color: var(--accent);
      text-align: center;
      line-height: 1.3;
    }

    .guarantee__icon-inner span {
      font-size: 1.375rem;
      display: block;
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .guarantee__title {
      font-family: var(--font-display);
      font-size: 1.75rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
    }

    .guarantee__text {
      font-size: 1.375rem;
      color: var(--text-secondary);
      line-height: 1.7;
      max-width: 550px;
    }

    .guarantee__fine {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--text-muted);
      margin-top: 1rem;
    }

    @media (max-width: 968px) {
      .guarantee__box {
        grid-template-columns: 1fr;
        padding: 2.5rem;
        text-align: center;
      }

      .guarantee__icon {
        margin: 0 auto;
      }

      .guarantee__text {
        margin: 0 auto;
      }
    }

    /* ============================================================
       TASK 10 — FINAL CTA
    ============================================================ */
    .final-cta {
      text-align: center;
      padding: 6rem 0;
      position: relative;
      overflow: hidden;
    }

    .final-cta__glow {
      position: absolute;
      bottom: -100px;
      left: 50%;
      transform: translateX(-50%);
      width: 600px;
      height: 400px;
      background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
      pointer-events: none;
    }

    .final-cta__title {
      font-family: var(--font-display);
      font-size: clamp(2.75rem, 5.5vw, 4.5rem);
      font-weight: 800;
      line-height: 1.1;
      letter-spacing: -0.03em;
      margin-bottom: 1.5rem;
      position: relative;
      z-index: 1;
    }

    .final-cta__sub {
      font-size: 1.375rem;
      color: var(--text-secondary);
      margin-bottom: 2.5rem;
      position: relative;
      z-index: 1;
    }

    .final-cta .btn {
      position: relative;
      z-index: 1;
    }

    /* ============================================================
       MICRO-INTERACTIONS
    ============================================================ */
    /* Exchange items lift on hover */
    .exchange__item:hover {
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0,0,0,0.06);
      transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    }

    /* Pricing cards lift */
    .pricing__card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 32px rgba(0,0,0,0.08);
      transition: transform 0.25s cubic-bezier(0.16,1,0.3,1), box-shadow 0.25s, background 0.3s;
    }

    /* How it works step cards */
    .how__step {
      transition: background 0.3s, transform 0.25s;
    }
    .how__step:hover {
      transform: translateY(-3px);
    }

    /* CTA button shine effect */
    .btn--primary {
      position: relative;
      overflow: hidden;
    }
    .btn--primary::after {
      content: '';
      position: absolute;
      top: 0; left: -100%;
      width: 100%; height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
      transition: left 0.5s ease;
    }
    .btn--primary:hover::after {
      left: 100%;
    }

    /* Guarantee icon gentle pulse */
    @keyframes gentle-pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.03); }
    }
    .guarantee__icon {
      animation: gentle-pulse 4s ease-in-out infinite;
    }

    /* Chain tags shimmer */
    .chain__tag {
      transition: background 0.2s, transform 0.2s;
    }
    .chain__item:hover .chain__tag {
      background: rgba(16,185,129,0.12);
      transform: scale(1.05);
    }

    /* ============================================================
       METHODOLOGY DATA FLOW TICKER
    ============================================================ */
    .method__flow {
      margin-top: 2rem;
      display: flex;
      align-items: center;
      gap: 1rem;
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--text-muted);
      overflow: hidden;
      height: 2rem;
    }

    .method__flow-ticker {
      display: flex;
      gap: 2rem;
      animation: ticker-scroll 20s linear infinite;
    }

    @keyframes ticker-scroll {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    .method__flow-price {
      white-space: nowrap;
      color: var(--accent);
    }

    .method__flow-price--stale {
      color: var(--danger);
      text-decoration: line-through;
      opacity: 0.5;
      white-space: nowrap;
    }

    /* ============================================================
       FOOTER — ENRICHED
    ============================================================ */
    .footer {
      padding: 2rem 0 1.5rem;
      border-top: 1px solid var(--border);
    }

    .footer__top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 2rem;
      margin-bottom: 1.5rem;
    }

    .footer__brand-desc {
      font-size: 1.375rem;
      color: var(--text-muted);
      margin-top: 1rem;
      line-height: 1.6;
      max-width: 300px;
    }

    .footer__col-title {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      font-weight: 500;
      color: var(--text-primary);
      margin-bottom: 1rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .footer__col-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
    }

    .footer__col-link {
      font-size: 1.375rem;
      color: var(--text-muted);
      transition: color 0.2s;
    }
    .footer__col-link:hover { color: var(--text-primary); }

    .footer__bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 1rem;
      border-top: 1px solid var(--border-subtle);
    }

    .footer__copy { font-size: 1.375rem; color: var(--text-muted); }

    @media (max-width: 968px) {
      .footer__top { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 640px) {
      .footer__top { grid-template-columns: 1fr; }
      .footer__bottom { flex-direction: column; gap: 1rem; text-align: center; }
    }


    /* ============================================================
       TASK 10 — THEME TOGGLE
    ============================================================ */
    .theme-toggle {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      border: 1px solid var(--border);
      background: transparent;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: border-color 0.3s, background 0.3s, transform 0.3s;
      margin-left: 1.25rem;
    }

    .theme-toggle:hover {
      border-color: var(--text-muted);
      transform: scale(1.05);
    }

    .theme-toggle__icon {
      width: 18px;
      height: 18px;
      position: relative;
    }

    /* Sun and moon SVG icons */
    .theme-toggle__sun,
    .theme-toggle__moon {
      width: 20px;
      height: 20px;
      color: var(--text-secondary);
    }

    .theme-toggle__sun { display: none; }
    .theme-toggle__moon { display: block; }

    [data-theme="dark"] .theme-toggle__sun { display: block; }
    [data-theme="dark"] .theme-toggle__moon { display: none; }


    /* HOW IT WORKS ANIMATION */
    .how__pipeline {
      margin: 4rem 0 3rem;
      position: relative;
      height: 140px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 60px;
    }

    .how__pipeline-line {
      position: absolute;
      top: 50%;
      left: 80px;
      right: 80px;
      height: 2px;
      background: var(--border);
      transform: translateY(-50%);
    }

    .how__pipeline-line-fill {
      height: 100%;
      width: 0;
      background: linear-gradient(90deg, var(--accent), var(--accent-dim));
      transition: width 2s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .how__pipeline.animated .how__pipeline-line-fill {
      width: 100%;
    }

    .how__pipeline-node {
      width: 56px;
      height: 56px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-mono);
      font-size: 1.375rem;
      font-weight: 500;
      position: relative;
      z-index: 2;
      opacity: 0;
      transform: scale(0.5);
      transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .how__pipeline.animated .how__pipeline-node {
      opacity: 1;
      transform: scale(1);
    }

    .how__pipeline-node--sources {
      background: var(--bg-card);
      border: 2px solid var(--border);
      transition-delay: 0s;
    }

    .how__pipeline-node--process {
      background: var(--accent);
      color: #fff;
      border: 2px solid var(--accent);
      transition-delay: 0.8s;
      box-shadow: 0 0 20px var(--accent-glow-strong);
    }

    .how__pipeline-node--output {
      background: var(--bg-card);
      border: 2px solid var(--accent);
      color: var(--accent);
      transition-delay: 1.6s;
    }

    .how__pipeline-node-label {
      position: absolute;
      top: calc(100% + 8px);
      left: 50%;
      transform: translateX(-50%);
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--text-muted);
      white-space: nowrap;
    }

    .how__pipeline-particles {
      position: absolute;
      top: 50%;
      left: 80px;
      right: 80px;
      height: 4px;
      transform: translateY(-50%);
      overflow: hidden;
    }

    .how__pipeline-dot {
      position: absolute;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
      top: -1px;
      opacity: 0;
    }

    .how__pipeline.animated .how__pipeline-dot {
      animation: pipeline-dot 2.5s ease-in-out infinite;
    }

    @keyframes pipeline-dot {
      0% { left: 0; opacity: 0; }
      10% { opacity: 1; }
      90% { opacity: 1; }
      100% { left: 100%; opacity: 0; }
    }

    /* METHODOLOGY LIVE COMPARISON */
    .method__live {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
      margin-top: 3rem;
    }

    .method__live-panel {
      padding: 1.5rem;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--bg-card);
      font-family: var(--font-mono);
      position: relative;
      overflow: hidden;
    }

    .method__live-panel--theirs {
      border-color: var(--danger);
      border-opacity: 0.3;
    }

    .method__live-panel--ours {
      border-color: var(--green);
    }

    .method__live-label {
      font-size: 1.375rem;
      font-weight: 500;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .method__live-label-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
    }

    .method__live-label-dot--red { background: var(--danger); }
    .method__live-label-dot--green { background: var(--green); }

    .method__live-row {
      display: flex;
      justify-content: space-between;
      padding: 0.5rem 0;
      border-bottom: 1px solid var(--border-subtle);
      font-size: 1.375rem;
      color: var(--text-secondary);
    }

    .method__live-row:last-child { border-bottom: none; }

    .method__live-price {
      font-weight: 500;
      transition: color 0.3s;
    }

    .method__live-price--stale { color: var(--danger); }
    .method__live-price--exact { color: var(--green); }

    .method__live-timestamp {
      font-size: 1.375rem;
      color: var(--text-muted);
    }

    .method__live-blink {
      animation: method-blink 1s ease-in-out infinite;
    }

    @keyframes method-blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }

    @media (max-width: 640px) {
      .method__live { grid-template-columns: 1fr; }
    }

    /* EXCHANGE NETWORK */
    .exchange-network {
      margin-top: 3rem;
      position: relative;
      height: 450px;
      overflow: hidden;
    }

    .exchange-network__canvas {
      width: 100%;
      height: 100%;
    }

    .exchange-network__labels {
      position: absolute;
      inset: 0;
      pointer-events: none;
    }

    .exchange-network__label {
      position: absolute;
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--text-secondary);
      transform: translate(-50%, -50%);
      white-space: nowrap;
      opacity: 0;
      transition: opacity 0.5s ease;
    }

    .exchange-network__label.visible { opacity: 1; }

    .exchange-network__label--hub {
      font-size: 1.375rem;
      font-weight: 500;
      color: var(--accent);
    }

    @media (max-width: 640px) {
      .exchange-network { height: 300px; }
    }

    /* GUARANTEE TICKER */
    .guarantee__ticker {
      margin-top: 2rem;
      border: 1px solid var(--border-subtle);
      border-radius: 6px;
      overflow: hidden;
      height: 180px;
      position: relative;
      background: var(--bg-primary);
    }

    .guarantee__ticker-header {
      font-family: var(--font-mono);
      font-size: 1.375rem;
      color: var(--text-muted);
      padding: 0.75rem 1rem;
      border-bottom: 1px solid var(--border-subtle);
      background: var(--bg-card);
    }

    .guarantee__ticker-feed {
      padding: 0.5rem 1rem;
      overflow: hidden;
      height: calc(100% - 42px);
    }

    .guarantee__ticker-row {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.35rem 0;
      font-family: var(--font-mono);
      font-size: 1.375rem;
      opacity: 0;
      transform: translateY(10px);
      animation: ticker-row-in 0.4s ease forwards;
    }

    .guarantee__ticker-check {
      color: var(--accent);
      font-size: 1.375rem;
    }

    .guarantee__ticker-hash {
      color: var(--text-muted);
    }

    .guarantee__ticker-amount {
      margin-left: auto;
      color: var(--text-secondary);
    }

    @keyframes ticker-row-in {
      to { opacity: 1; transform: translateY(0); }
    }

    @media (max-width: 640px) {
      /* Hero */
      .hero { min-height: auto; padding: 6rem 0 3rem; }
      .hero__headline { font-size: 2.5rem; }
      .hero__subline { font-size: 1.375rem; }
      .hero__badge { font-size: 1.375rem; }

      /* Section titles */
      .section__title { font-size: 1.75rem; }

      /* Methodology */
      .section__desc { font-size: 1.375rem; }

      /* Trade scenario cards */
      .trade-scenario__cards { grid-template-columns: 1fr; }
      .trade-scenario__header { flex-direction: column; gap: 0.5rem; }

      /* Compound cards */
      .compound-grid { grid-template-columns: 1fr; }

      /* How it works */
      .how__steps { grid-template-columns: 1fr; }
      .how__step { border-right: none; border-bottom: 1px solid var(--border); }
      .how__step:last-child { border-bottom: none; }
      .how__pipeline { display: none; }

      /* Showcase tabs */
      .showcase__tabs { flex-wrap: wrap; }

      /* Exchange network */
      .exchange-network { height: 250px; }

      /* Comparison grid */
      .compare-grid__header { grid-template-columns: 1fr; }
      .compare-grid__header-cell:first-child { display: none; }
      .compare-grid__row { grid-template-columns: 1fr; }
      .compare-grid__category {
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-subtle);
        padding: 0.75rem 1.5rem;
      }
      .compare-grid__cell {
        flex-direction: row;
        justify-content: flex-start;
        padding: 1rem 1.5rem;
      }

      /* Pricing — stack vertically */
      .pricing__grid { grid-template-columns: 1fr; gap: 1rem; }
      .pricing__card { border: 1px solid var(--border); }
      .pricing__card--featured { border: 1px solid var(--accent); }
      .pricing__price { font-size: 2.5rem; }

      /* Footer */
      .footer__top { grid-template-columns: 1fr; gap: 1.5rem; }
      .footer__bottom { flex-direction: column; gap: 0.75rem; text-align: center; }

      /* Container padding */
      .container { padding: 0 1.25rem; }

      /* Section padding */
      .section { padding: 3rem 0; }
      .section--spacious { padding: 4rem 0; }

      /* Hide desktop-only elements */
      .desktop-only { display: none !important; }

      /* Nav — compact on mobile */
      .nav__links { display: none; }
      .nav__cta { gap: 0.5rem; }
      .nav__cta .btn--primary { font-size: 1rem; padding: 0.4rem 0.75rem; white-space: nowrap; }
      .theme-toggle { width: 32px; height: 32px; margin-left: 0.75rem; }

      /* Hero CTA buttons */
      .hero__ctas { flex-direction: column; align-items: center; gap: 0.75rem; }
      .hero__ctas .btn { width: 100%; text-align: center; justify-content: center; }

      /* Hide chart Option A on mobile — too complex */
      #resolution-chart { display: none; }

      /* Price gap viz — make dots closer on mobile */
      #price-gap-viz { padding: 2rem 1rem; }

      /* Exchange network smaller */
      .exchange-network { height: 250px; }

      /* How it works timers */
      .how__step-timer canvas { width: 120px; height: 35px; }

      /* Comparison icons */
      .compare-icon { width: 48px; height: 48px; }
    }

    @media (min-width: 641px) and (max-width: 968px) {
      .pricing__grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }

      .compare-grid__header,
      .compare-grid__row { grid-template-columns: 140px 1fr 1fr; }

      .how__steps { grid-template-columns: 1fr; }
      .how__step { border-right: none; border-bottom: 1px solid var(--border); }
      .how__step:last-child { border-bottom: none; }
    }

    /* ============================================================
       VARIANCE SPECTRUM SECTION
    ============================================================ */
    .variance-spectrum {
      max-width: 100%;
      margin: 0 auto 3rem;
    }

    .variance-spectrum svg {
      width: 100%;
      height: auto;
    }

    /* SVG animation states */
    .variance-spectrum .zone-left,
    .variance-spectrum .zone-right {
      opacity: 0;
      transition: opacity 0.8s ease 0.2s;
    }

    .variance-spectrum .arrow-left,
    .variance-spectrum .arrow-right {
      opacity: 0;
      transition: opacity 0.5s ease 0.6s, transform 0.5s ease 0.6s;
    }

    .variance-spectrum .arrow-left {
      transform: translateX(40px);
    }

    .variance-spectrum .arrow-right {
      transform: translateX(-40px);
    }

    .variance-spectrum .center-dot {
      opacity: 0;
      transition: opacity 0.4s ease;
    }

    .variance-spectrum .annotation-left,
    .variance-spectrum .annotation-right {
      opacity: 0;
      transition: opacity 0.5s ease 0.9s;
    }

    .variance-spectrum.animated .zone-left,
    .variance-spectrum.animated .zone-right,
    .variance-spectrum.animated .center-dot,
    .variance-spectrum.animated .arrow-left,
    .variance-spectrum.animated .arrow-right,
    .variance-spectrum.animated .annotation-left,
    .variance-spectrum.animated .annotation-right {
      opacity: 1;
    }

    .variance-spectrum.animated .arrow-left,
    .variance-spectrum.animated .arrow-right {
      transform: translateX(0);
    }

    .variance-cards {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
      max-width: 760px;
      margin: 0 auto 2.5rem;
    }

    .variance-card {
      background: var(--bg-card);
      border-radius: 12px;
      border: 1px solid var(--border);
      padding: 2rem;
      transition: transform 0.25s, box-shadow 0.25s;
    }

    .variance-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    }

    .variance-card--danger {
      border-left: 3px solid var(--danger);
    }

    .variance-card--warning {
      border-left: 3px solid var(--warning);
    }

    .variance-card__title {
      font-family: var(--font-display);
      font-size: 1.375rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.75rem;
    }

    .variance-card__desc {
      font-size: 1.375rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 1rem;
    }

    .variance-card__badge {
      display: inline-block;
      font-family: var(--font-mono);
      font-size: 1rem;
      font-weight: 500;
      padding: 0.25rem 0.75rem;
      border-radius: 6px;
      letter-spacing: 0.04em;
    }

    .variance-card__badge--danger {
      background: var(--danger-dim);
      color: var(--danger);
    }

    .variance-card__badge--warning {
      background: var(--warning-dim);
      color: var(--warning);
    }

    .variance-conclusion {
      text-align: center;
      font-size: 1.375rem;
      color: var(--text-secondary);
      max-width: 560px;
      margin: 0 auto;
      line-height: 1.7;
    }

    @media (max-width: 640px) {
      .variance-cards {
        grid-template-columns: 1fr;
      }
    }

    /* =================== MOBILE OPTIMIZATIONS =================== */

    /* Fix 1: Hero headline size on small phones */
    @media (max-width: 500px) {
      .hero__headline { font-size: clamp(2rem, 8vw, 2.75rem) !important; line-height: 1.15; }
    }

    /* Fix 2: Compound cards stack earlier */
    @media (max-width: 640px) {
      .compound-grid { grid-template-columns: 1fr !important; gap: 1rem !important; }
    }

    /* Fix 3: Hero stats stack on small screens */
    @media (max-width: 500px) {
      .hero__stats { grid-template-columns: repeat(2, 1fr) !important; gap: 1rem !important; }
    }

    /* Fix 5: Pricing grid stacks at tablet sizes */
    @media (max-width: 900px) {
      .pricing__grid { grid-template-columns: 1fr 1fr !important; gap: 1rem !important; }
      .pricing__grid--4col { grid-template-columns: 1fr 1fr !important; }
    }
    @media (max-width: 540px) {
      .pricing__grid { grid-template-columns: 1fr !important; }
      .pricing__grid--4col { grid-template-columns: 1fr !important; }
    }

    /* Fix 7: Hide how-it-works pipeline earlier */
    @media (max-width: 900px) {
      .how__pipeline { display: none !important; }
    }

    /* Fix 8: Nav CTA button tap target */
    @media (max-width: 640px) {
      .nav__cta .btn--primary { padding: 0.6rem 1rem !important; min-height: 44px; display: inline-flex; align-items: center; }
      .theme-toggle { min-width: 44px; min-height: 44px; }
    }

    /* Fix 9: Section titles smaller on small phones */
    @media (max-width: 500px) {
      .section__title { font-size: clamp(1.5rem, 6vw, 2rem) !important; }
      .section__desc { font-size: 1.1rem !important; }
      .section__label--accent { font-size: 1.75rem !important; }
    }

    /* Fix 11: Variance spectrum SVG full width on mobile */
    @media (max-width: 640px) {
      .variance-spectrum { max-width: 100% !important; }
      .variance-spectrum svg { width: 100%; height: auto; }
    }

    /* Fix 12: DFY pricing and features callout typography on mobile */
    @media (max-width: 500px) {
      .pricing__dfy-title { font-size: clamp(1.5rem, 6vw, 2rem) !important; }
      .pricing__dfy-bullets li { font-size: 1rem !important; }
      .features-callout__text { font-size: 1.125rem !important; }
    }

    /* Fix 13: Hero CTAs stack on small screens */
    @media (max-width: 500px) {
      .hero__ctas { flex-direction: column; gap: 0.75rem; }
      .hero__ctas .btn { width: 100%; justify-content: center; }
    }

    /* Fix 14: Showcase video no overflow */
    @media (max-width: 640px) {
      .showcase__img-wrap video { max-width: 100%; height: auto; }
      .showcase__frame { padding: 0.5rem !important; }
    }

    /* Fix 15: Hide dotted column dividers on mobile (they overlap content and hurt readability) */
    @media (max-width: 900px) {
      .pricing__dfy-row::before,
      .pricing__dfy-row::after,
      .pricing__dfy-row > .pricing__dfy-divider-mid {
        display: none !important;
      }
    }

    /* Fix 16: Feature table — force horizontal-scroll with FIXED column widths on mobile so
       every row's icons align perfectly with its plan header (no staircase effect). */
    @media (max-width: 900px) {
      .feature-table__header,
      .feature-table__row {
        grid-template-columns: 200px repeat(5, minmax(0, 1fr)) !important;
        min-width: 700px !important;
      }
      .feature-table__category { min-width: 700px !important; }
    }
    @media (max-width: 640px) {
      .feature-table__header .feature-table__label { display: block !important; }
      .feature-table__val {
        justify-content: center !important;
        align-items: center !important;
        text-align: center !important;
        padding: 0.6rem 0.25rem !important;
      }
      .feature-table__val::before { content: none !important; }
      .feature-table {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
      }
      /* Ensure icons render identically regardless of row */
      .feature-table__val .ft-check,
      .feature-table__val .ft-x {
        margin: 0 auto !important;
        flex-shrink: 0 !important;
      }
    }

    /* Fix 17: Hero top buffer so fixed header doesn't overlap on mobile */
    @media (max-width: 900px) {
      .hero { padding-top: 8rem !important; }
    }
    @media (max-width: 500px) {
      .hero { padding-top: 7rem !important; }
      /* Shrink nav logo on small phones so the nav itself is less tall */
      .nav__logo img { height: 48px !important; }
    }

    /* =================== END MOBILE OPTIMIZATIONS =================== */

    /* =================== REMOVE ACTIVE PLAN HIGHLIGHT (all viewports) =================== */
    .pricing__card--featured {
      border-color: var(--border) !important;
      background: var(--bg-card) !important;
      box-shadow: 0 2px 8px rgba(0,0,0,0.04) !important;
      transform: none !important;
    }
    .pricing__card--featured:hover {
      box-shadow: 0 8px 24px rgba(0,0,0,0.08) !important;
      transform: translateY(-4px) !important;
    }
    .pricing__card--featured .pricing__tier {
      color: var(--text-primary) !important;
    }
    .pricing__card--featured .pricing__btn {
      background: transparent !important;
      color: var(--text-secondary) !important;
      border-color: var(--border) !important;
    }
    .pricing__card--featured .pricing__btn:hover {
      color: var(--text-primary) !important;
      filter: none !important;
      box-shadow: none !important;
    }
    .pricing__badge {
      display: none !important;
    }

    /* Feature table — neutralize Active column */
    .feature-table__plan--featured {
      color: var(--text-primary) !important;
      background: transparent !important;
    }
    .feature-table__val--featured {
      background: transparent !important;
    }
}