/* ========================================
       DESIGN TOKENS — "Dark Ice" System
       ======================================== */
    :root {
      --deep-ice: #0A0E14;
      --night-blue: #0D1520;
      --surface-blue: #141E2B;
      --ice-cyan: #00D4FF;
      --cyan-glow: rgba(0, 212, 255, 0.4);
      --cyan-glow-strong: rgba(0, 212, 255, 0.6);
      --frost-grey: #8899AA;
      --bench-grey: #1A1F27;
      --on-ice-white: #FFFFFF;
      --font-display: 'Barlow Condensed', sans-serif;
      --font-body: 'Inter', system-ui, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body {
      font-family: var(--font-body);
      background: var(--deep-ice);
      color: #E0E8F0;
      line-height: 1.6;
      overflow-x: hidden;
    }

    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--ice-cyan); text-decoration: none; }

    .overline {
      font-family: var(--font-display);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--ice-cyan);
      margin-bottom: 12px;
    }

    /* ========================================
       SCROLL REVEAL
       ======================================== */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ========================================
       1. STICKY NAV
       ======================================== */
    .site-nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(10, 14, 20, 0.8);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(0, 212, 255, 0.08);
      transition: background 0.3s;
    }

    .nav-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 18px;
      letter-spacing: 0.5px;
    }

    .nav-logo img {
      width: 32px;
      height: 32px;
      border-radius: 8px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    .nav-links a {
      color: var(--frost-grey);
      font-size: 14px;
      font-weight: 500;
      transition: color 0.2s;
    }

    .nav-links a:hover { color: var(--ice-cyan); }

    .nav-cta {
      border: 1px solid var(--ice-cyan);
      color: var(--ice-cyan) !important;
      padding: 8px 20px;
      border-radius: 6px;
      font-weight: 600;
      transition: background 0.2s, box-shadow 0.2s;
    }

    .nav-cta:hover {
      background: rgba(0, 212, 255, 0.1);
      box-shadow: 0 0 16px var(--cyan-glow);
    }

    .nav-mobile {
      display: none;
    }

    .nav-hamburger {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 4px;
    }

    .nav-hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--frost-grey);
      margin: 5px 0;
      transition: transform 0.3s, opacity 0.3s;
    }

    /* ========================================
       2. HERO
       ======================================== */
    .hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background: url("../assets/toi-hero.jpeg") center/cover no-repeat;
      filter: brightness(0.35);
    }

    .hero-gradient {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(135deg, rgba(10, 14, 20, 0.92) 0%, rgba(10, 14, 20, 0.6) 50%, rgba(10, 14, 20, 0.85) 100%),
        linear-gradient(to bottom, transparent 60%, var(--deep-ice) 100%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 1200px;
      width: 100%;
      margin: 0 auto;
      padding: 120px 40px 80px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      align-items: center;
      gap: 40px;
      overflow: hidden;
    }

    .hero-text h1 {
      font-family: var(--font-display);
      font-size: clamp(56px, 8vw, 96px);
      font-weight: 900;
      letter-spacing: -2px;
      line-height: 0.95;
      color: #fff;
      margin-bottom: 20px;
    }

    .hero-text h1 span {
      display: block;
      color: var(--ice-cyan);
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--frost-grey);
      max-width: 480px;
      margin-bottom: 36px;
      line-height: 1.7;
    }

    .hero-ctas {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: var(--ice-cyan);
      color: var(--deep-ice);
      font-family: var(--font-display);
      font-size: 16px;
      font-weight: 700;
      padding: 14px 28px;
      border-radius: 8px;
      transition: box-shadow 0.3s, transform 0.2s;
    }

    .btn-primary:hover {
      box-shadow: 0 0 30px var(--cyan-glow), 0 4px 20px rgba(0,0,0,0.3);
      transform: translateY(-1px);
      color: var(--deep-ice);
    }

    .btn-primary svg {
      width: 20px;
      height: 20px;
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--frost-grey);
      font-size: 15px;
      font-weight: 500;
      padding: 14px 20px;
      transition: color 0.2s;
    }

    .btn-secondary:hover { color: #fff; }

    .hero-devices {
      position: relative;
      display: flex;
      justify-content: center;
      align-items: flex-end;
      max-width: 100%;
      overflow: visible;
    }

    .hero-phone {
      width: 230px;
      border-radius: 20px;
      box-shadow: 0 25px 60px rgba(0,0,0,0.5);
    }

    .hero-watch {
      position: absolute;
      bottom: -10px;
      left: -20px;
      width: 115px;
      border-radius: 50%;
      box-shadow: 0 15px 40px rgba(0,0,0,0.5);
    }

    .hero-watch-glow {
      position: absolute;
      bottom: -35px;
      left: -45px;
      width: 170px;
      height: 170px;
      background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    /* ========================================
       3. BINARY STATE BLOCK
       ======================================== */
    .binary-state {
      padding: 56px 0 100px;
    }

    .binary-state-header {
      text-align: center;
      max-width: 600px;
      margin: 0 auto 60px;
      padding: 0 24px;
    }

    .binary-state-header h2 {
      font-family: var(--font-display);
      font-size: clamp(36px, 5vw, 56px);
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }

    .binary-state-header p {
      color: var(--frost-grey);
      font-size: 17px;
    }

    .binary-panels {
      display: grid;
      grid-template-columns: 1fr 1fr;
      max-width: 1000px;
      margin: 0 auto;
      border-radius: 20px;
      overflow: hidden;
      position: relative;
    }

    .binary-panel {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 60px 40px;
      transition: clip-path 0.8s cubic-bezier(0.65, 0, 0.35, 1);
    }

    .panel-bench {
      background: var(--bench-grey);
    }

    .panel-onice {
      background: var(--on-ice-white);
    }

    .binary-panel .watch-frame {
      width: 180px;
      height: 180px;
      border-radius: 50%;
      overflow: hidden;
      margin-bottom: 24px;
      box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    }

    .binary-panel .watch-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .panel-label {
      font-family: var(--font-display);
      font-size: 14px;
      font-weight: 600;
      letter-spacing: 3px;
      text-transform: uppercase;
    }

    .panel-bench .panel-label { color: var(--frost-grey); }
    .panel-onice .panel-label { color: var(--ice-cyan); }

    .binary-divider {
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 3px;
      background: var(--ice-cyan);
      transform: translateX(-50%);
      z-index: 2;
    }

    .binary-divider::after {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 40px;
      background: linear-gradient(90deg, transparent, var(--cyan-glow), transparent);
      opacity: 0;
      transition: opacity 0.6s;
    }

    .binary-panels.active .binary-divider::after {
      opacity: 1;
    }

    /* ========================================
       4. FEATURE SHOWCASE
       ======================================== */
    .feature-row {
      padding: 80px 24px;
    }

    .feature-row:nth-child(even) { background: var(--night-blue); }
    .feature-row:nth-child(odd) { background: var(--deep-ice); }

    .feature-inner {
      max-width: 1000px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .feature-row:nth-child(even) .feature-inner {
      direction: rtl;
    }

    .feature-row:nth-child(even) .feature-inner > * {
      direction: ltr;
    }

    .feature-screenshot {
      display: flex;
      justify-content: center;
    }

    .feature-screenshot .phone-frame {
      position: relative;
      width: 280px;
    }

    .feature-screenshot .phone-frame img {
      border-radius: 20px;
      box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    }

    .feature-text h2 {
      font-family: var(--font-display);
      font-size: clamp(28px, 4vw, 36px);
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
      line-height: 1.15;
    }

    .feature-text p {
      color: var(--frost-grey);
      font-size: 16px;
      max-width: 440px;
      line-height: 1.7;
    }

    /* ========================================
       5. ANIMATED STATS COUNTER
       ======================================== */
    .stats-section {
      padding: 100px 24px;
      background: var(--night-blue);
    }

    .stats-grid {
      max-width: 1000px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 40px;
      text-align: center;
    }

    .stat-item .stat-value {
      font-family: var(--font-display);
      font-size: clamp(48px, 6vw, 72px);
      font-weight: 900;
      color: var(--ice-cyan);
      font-variant-numeric: tabular-nums;
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-item .stat-label {
      font-family: var(--font-display);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--frost-grey);
    }

    /* ========================================
       6. HOW IT WORKS
       ======================================== */
    .how-it-works {
      padding: 100px 24px 56px;
      background: var(--deep-ice);
    }

    .how-header {
      text-align: center;
      max-width: 500px;
      margin: 0 auto 60px;
    }

    .how-header h2 {
      font-family: var(--font-display);
      font-size: clamp(36px, 5vw, 48px);
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }

    /* Photo-backed How It Works cards */
    .how-photo-cards {
      max-width: 1100px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      padding: 0 24px;
    }

    .how-photo-card {
      position: relative;
      border-radius: 20px;
      overflow: hidden;
      aspect-ratio: 1 / 1;
      background: var(--surface-blue);
    }

    .how-photo-card-img {
      position: absolute;
      inset: 0;
    }

    .how-photo-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center center;
      filter: brightness(0.72) saturate(0.88);
      transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                  filter 0.5s ease;
    }

    /* Portrait phone screenshot — anchor to top so stats header stays visible */
    .how-photo-card-img--phone img {
      object-position: center top;
      filter: brightness(0.68) saturate(0.9);
    }

    .how-photo-card:hover .how-photo-card-img img {
      transform: scale(1.04);
      filter: brightness(0.85) saturate(1);
    }

    /* Gradient: fades bottom to dark for text legibility */
    .how-photo-card::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(
        to bottom,
        rgba(10,14,20,0.05) 0%,
        rgba(10,14,20,0.25) 35%,
        rgba(10,14,20,0.88) 72%,
        rgba(10,14,20,0.97) 100%
      );
      z-index: 1;
    }

    /* Cyan accent bar sweeps in on hover */
    .how-photo-card::after {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: var(--ice-cyan);
      box-shadow: 0 0 12px var(--cyan-glow);
      z-index: 3;
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    .how-photo-card:hover::after { transform: scaleX(1); }

    .how-photo-card-content {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      padding: 24px 28px 30px;
      z-index: 2;
    }

    .how-photo-step {
      font-family: var(--font-display);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--ice-cyan);
      margin-bottom: 6px;
    }

    .how-photo-card-content h3 {
      font-family: var(--font-display);
      font-size: 26px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
      line-height: 1.1;
    }

    .how-photo-card-content p {
      color: rgba(224, 232, 240, 0.7);
      font-size: 14px;
      line-height: 1.55;
    }

    .how-photo-card-num {
      position: absolute;
      top: 18px; right: 22px;
      font-family: var(--font-display);
      font-size: 64px;
      font-weight: 900;
      color: rgba(0, 213, 255, 0.234);
      line-height: 1;
      z-index: 2;
      pointer-events: none;
      transition: color 0.3s;
    }

    .how-photo-card:hover .how-photo-card-num {
      color: rgba(0, 212, 255, 0.15);
    }

    /* ========================================
       7. WATCH FACE SHOWCASE
       ======================================== */
    .watch-showcase {
      padding: 100px 24px;
      background: var(--night-blue);
      overflow: hidden;
    }

    .watch-showcase-header {
      text-align: center;
      max-width: 500px;
      margin: 0 auto 60px;
    }

    .watch-showcase-header h2 {
      font-family: var(--font-display);
      font-size: clamp(36px, 5vw, 48px);
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }

    .watch-showcase-header p {
      color: var(--frost-grey);
      font-size: 17px;
    }

    .watch-faces {
      max-width: 1000px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 60px;
      position: relative;
    }

    .watch-face-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 16px;
    }

    .watch-face-frame {
      width: 160px;
      height: 160px;
      border-radius: 50%;
      overflow: hidden;
      border: 3px solid rgba(0, 212, 255, 0.2);
      box-shadow: 0 8px 30px rgba(0,0,0,0.3);
      transition: border-color 0.3s, box-shadow 0.3s;
    }

    .watch-face-frame:hover {
      border-color: var(--ice-cyan);
      box-shadow: 0 0 20px var(--cyan-glow), 0 8px 30px rgba(0,0,0,0.3);
    }

    .watch-face-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .watch-face-label {
      font-family: var(--font-display);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--frost-grey);
    }

    /* EKG connector line */
    .ekg-line {
      position: absolute;
      top: 80px;
      left: 50%;
      transform: translateX(-50%);
      width: 940px;
      height: 40px;
      z-index: 0;
      pointer-events: none;
    }

    .ekg-line svg {
      width: 100%;
      height: 100%;
    }

    .ekg-path {
      stroke: var(--ice-cyan);
      stroke-width: 2;
      fill: none;
      stroke-dasharray: 1500;
      stroke-dashoffset: 1500;
      transition: stroke-dashoffset 2.5s ease;
      filter: drop-shadow(0 0 6px var(--cyan-glow));
    }

    .ekg-line.visible .ekg-path {
      stroke-dashoffset: 0;
    }

    .watch-face-item { z-index: 1; }

    /* ========================================
       9. HOW WE BUILT IT
       ======================================== */
    .built-section {
      padding: 100px 24px;
      background: var(--deep-ice);
    }

    .built-header {
      text-align: center;
      max-width: 540px;
      margin: 0 auto 56px;
    }

    .built-header h2 {
      font-family: var(--font-display);
      font-size: clamp(36px, 5vw, 52px);
      font-weight: 900;
      color: #fff;
      text-transform: uppercase;
      letter-spacing: 1px;
      line-height: 1.05;
    }

    .built-cards {
      max-width: 1100px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .built-card {
      position: relative;
      border-radius: 20px;
      overflow: hidden;
      aspect-ratio: 1 / 1;
      background: var(--surface-blue);
    }

    .built-card-img {
      position: absolute;
      inset: 0;
    }

    .built-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center center;
      filter: brightness(0.65) saturate(0.75) sepia(0.12);
      transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                  filter 0.5s ease;
    }

    /* viz.jpg is a landscape screenshot — anchor top so the UI is visible */
    .built-card-img--viz img {
      object-position: center top;
    }

    .built-card:hover .built-card-img img {
      transform: scale(1.04);
      filter: brightness(0.8) saturate(0.9) sepia(0);
    }

    /* gradient — slightly warmer than the How It Works cards */
    .built-card::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(
        to bottom,
        rgba(10,14,20,0.0)  0%,
        rgba(10,14,20,0.2)  30%,
        rgba(10,14,20,0.82) 68%,
        rgba(10,14,20,0.97) 100%
      );
      z-index: 1;
    }

    /* cyan accent bar sweeps in on hover */
    .built-card::after {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: var(--ice-cyan);
      box-shadow: 0 0 12px var(--cyan-glow);
      z-index: 3;
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    .built-card:hover::after { transform: scaleX(1); }

    /* small pill tag in the top-left */
    .built-card-tag {
      position: absolute;
      top: 18px;
      left: 18px;
      z-index: 2;
      font-family: var(--font-display);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--ice-cyan);
      background: rgba(0, 212, 255, 0.1);
      border: 1px solid rgba(0, 212, 255, 0.25);
      border-radius: 4px;
      padding: 4px 8px;
      transition: background 0.3s, border-color 0.3s;
    }

    .built-card:hover .built-card-tag {
      background: rgba(0, 212, 255, 0.18);
      border-color: rgba(0, 212, 255, 0.45);
    }

    .built-card-content {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      padding: 24px 28px 30px;
      z-index: 2;
    }

    .built-card-content h3 {
      font-family: var(--font-display);
      font-size: 26px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
      line-height: 1.1;
    }

    .built-card-content p {
      color: rgba(224, 232, 240, 0.7);
      font-size: 14px;
      line-height: 1.55;
    }

    /* ========================================
       8. DOWNLOAD CTA
       ======================================== */
    .download-cta {
      padding: 120px 24px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .download-cta::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.08) 0%, var(--deep-ice) 70%);
    }

    .download-cta-inner {
      position: relative;
      z-index: 1;
    }

    .download-cta h2 {
      font-family: var(--font-display);
      font-size: clamp(42px, 6vw, 72px);
      font-weight: 900;
      color: #fff;
      letter-spacing: -1px;
      margin-bottom: 16px;
    }

    .download-cta .subtitle {
      color: var(--frost-grey);
      font-size: 18px;
      margin-bottom: 64px;
    }

    .download-cta p {
      color: var(--frost-grey);
      font-size: 18px;
      margin-bottom: 64px;
    }

    .download-cta .btn-primary {
      font-size: 18px;
      padding: 16px 36px;
    }

    .language-flags {
      margin-top: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .language-flags span {
      font-size: 28px;
      transition: transform 0.2s;
      cursor: default;
    }

    .language-flags span:hover {
      transform: scale(1.2);
    }

    .language-note {
      color: var(--frost-grey);
      font-size: 14px;
      margin-top: 12px;
    }

    /* ========================================
       FOOTER
       ======================================== */
    
    .footer-nav {
      max-width: 660px;
      margin: 0 auto 48px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
      text-align: left;
    }

    .footer-col h4 {
      font-family: var(--font-display);
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: #fff;
      margin-bottom: 20px;
    }

    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul li a {
      color: var(--frost-grey);
      font-size: 14px;
      transition: color 0.2s;
    }

    .footer-col ul li a:hover {
      color: var(--ice-cyan);
    }

    @media (max-width: 700px) {
      .footer-nav {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 20px;
      }
    }

    @media (max-width: 480px) {
      .footer-nav {
        grid-template-columns: 1fr;
        text-align: center;
      }
    }

    .site-footer {
      background: var(--deep-ice);
      border-top: 1px solid rgba(0, 212, 255, 0.08);
      padding: 40px 24px;
      text-align: center;
    }

    .footer-links {
      display: flex;
      justify-content: center;
      gap: 32px;
      list-style: none;
      margin-bottom: 20px;
    }

    .footer-links a {
      color: var(--frost-grey);
      font-size: 14px;
      transition: color 0.2s;
    }

    .footer-links a:hover { color: var(--ice-cyan); }

    .footer-copy {
      color: rgba(136, 153, 170, 0.5);
      font-size: 13px;
    }

    /* ========================================
       RESPONSIVE
       ======================================== */
    @media (max-width: 900px) {
      .hero-content {
        grid-template-columns: 1fr;
        padding-top: 100px;
        text-align: center;
      }

      .hero-subtitle { margin-left: auto; margin-right: auto; }
      .hero-ctas { justify-content: center; }

      .hero-devices { margin-top: 40px; }
      .hero-phone { width: 220px; }
      .hero-watch { width: 110px; left: -10px; }

      .binary-panels { grid-template-columns: 1fr; }
      .binary-divider {
        top: auto;
        left: 0;
        right: 0;
        bottom: 50%;
        width: 100%;
        height: 3px;
        transform: translateY(50%);
      }

      .feature-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
      }

      .feature-row:nth-child(even) .feature-inner { direction: ltr; }
      .feature-text p { margin: 0 auto; }
      .feature-screenshot .phone-frame { width: 240px; }

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 24px;
      }

      .how-photo-cards { grid-template-columns: 1fr; max-width: 440px; }
      .built-cards { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }

      .watch-faces {
        flex-direction: column;
        gap: 40px;
      }

      .ekg-line { display: none; }
    }

    @media (max-width: 600px) {
      .nav-links { display: none; }
      .nav-hamburger { display: block; }

      .nav-mobile {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 20, 0.96);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        padding: 24px;
        border-bottom: 1px solid rgba(0, 212, 255, 0.1);
      }

      .nav-mobile.open { display: block; }

      .nav-mobile a {
        display: block;
        padding: 12px 0;
        color: var(--frost-grey);
        font-size: 16px;
        font-weight: 500;
        border-bottom: 1px solid rgba(255,255,255,0.05);
      }

      .nav-mobile a:hover { color: var(--ice-cyan); }

      .hero-text h1 {
        font-size: clamp(44px, 12vw, 64px);
      }

      .binary-panel { padding: 40px 24px; }
      .binary-panel .watch-frame { width: 140px; height: 140px; }
    }

    /* ========================================
       SCHEMA.ORG — injected as JSON-LD
       ======================================== */


/* ========================================
   PAGE-SPECIFIC ADDITIONS (Features/Text)
   ======================================== */

/* Breadcrumbs & Page Heroes */
.breadcrumb { padding: 88px 24px 0; max-width: 860px; margin: 0 auto; }
.breadcrumb nav { font-size: 13px; color: var(--frost-grey); }
.breadcrumb nav a { color: var(--frost-grey); }
.breadcrumb nav a:hover { color: var(--ice-cyan); }
.breadcrumb nav span { margin: 0 6px; }

.page-hero { padding: 32px 24px 64px; max-width: 860px; margin: 0 auto; }
.page-hero h1 { font-family: var(--font-display); font-size: clamp(36px, 5vw, 56px); font-weight: 900; color: #fff; line-height: 1.05; margin-bottom: 20px; letter-spacing: -0.5px; }
.page-hero .lead { font-size: 18px; color: var(--frost-grey); max-width: 640px; margin-bottom: 32px; line-height: 1.7; }

/* Content Sections */
.content-section { padding: 64px 24px; }
.content-section:nth-child(even) { background: var(--night-blue); }
.content-inner { max-width: 860px; margin: 0 auto; }
.content-inner h2 { font-family: var(--font-display); font-size: clamp(28px, 4vw, 38px); font-weight: 700; color: #fff; margin-bottom: 20px; line-height: 1.15; }
.content-inner p { color: #C0CDD8; font-size: 16px; line-height: 1.75; margin-bottom: 20px; max-width: 720px; }
.content-inner ul { list-style: none; margin-bottom: 24px; }
.content-inner ul li { color: #C0CDD8; font-size: 16px; line-height: 1.7; padding-left: 20px; margin-bottom: 12px; position: relative; }
.content-inner ul li::before { content: '—'; position: absolute; left: 0; color: var(--ice-cyan); }

/* Column Layouts */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

/* Watch specific pairs in features */
.watch-pair { display: flex; gap: 32px; align-items: center; justify-content: center; flex-wrap: wrap; }
.watch-circle { width: 140px; height: 140px; border-radius: 50%; overflow: hidden; border: 2px solid rgba(0,212,255,0.2); box-shadow: 0 8px 30px rgba(0,0,0,0.4); margin: 0 auto 12px; }
.watch-circle img { width: 100%; height: 100%; object-fit: cover; }
.watch-label { font-family: var(--font-display); font-size: 11px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--frost-grey); }

/* Data Display */
.stat-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin: 24px 0; }
.stat-box { background: var(--surface-blue); border: 1px solid rgba(0,212,255,0.15); border-radius: 12px; padding: 24px 20px; text-align: center; }
.stat-box .val { font-family: var(--font-display); font-size: 42px; font-weight: 900; color: var(--ice-cyan); line-height: 1; margin-bottom: 6px; }
.stat-box .lbl { font-family: var(--font-display); font-size: 11px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--frost-grey); }

.compare-table { width: 100%; border-collapse: collapse; font-size: 15px; margin-top: 8px; }
.compare-table th { font-family: var(--font-display); font-weight: 600; letter-spacing: 1px; text-transform: uppercase; font-size: 12px; color: var(--frost-grey); padding: 12px 16px; text-align: left; border-bottom: 1px solid rgba(255,255,255,0.08); }
.compare-table td { padding: 14px 16px; border-bottom: 1px solid rgba(255,255,255,0.05); color: #C0CDD8; }
.compare-table .yes { color: var(--ice-cyan); font-weight: 600; }

/* Text Page Containers (Privacy/Testers) */
.page-container { 
    max-width: 800px; 
    margin: 0 auto;
    padding-top: 120px; /* Offset for sticky nav */
    padding-bottom: 80px; /* Breathing room before footer */
}
.page-header { margin-bottom: 60px; text-align: center; }
.page-header h1 { font-family: var(--font-display); font-size: clamp(48px, 8vw, 72px); font-weight: 900; letter-spacing: -1px; line-height: 1.1; color: #fff; margin-bottom: 16px; }

.content-body { font-size: 18px; line-height: 1.7; color: #E0E8F0; }
.content-body h2 { font-family: var(--font-display); font-size: 36px; font-weight: 700; color: #fff; margin: 60px 0 24px; line-height: 1.2; }
.content-body h3 { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--ice-cyan); margin: 40px 0 16px; line-height: 1.3; }
.content-body p { font-size: 18px; margin-bottom: 24px; max-width: 65ch; }

.content-body ul, .content-body ol { 
    margin-bottom: 24px; 
    padding-left: 24px; 
    list-style-position: outside;
}
.content-body li { margin-bottom: 8px; padding-left: 4px; }

.content-body blockquote { border-left: 4px solid var(--ice-cyan); background: var(--surface-blue); padding: 24px 32px; margin: 40px 0; border-radius: 0 8px 8px 0; font-style: italic; color: #fff; }
.content-body blockquote p { margin-bottom: 0; }

/* Related Navigation */
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.related-card { background: var(--surface-blue); border: 1px solid rgba(0,212,255,0.1); border-radius: 10px; padding: 20px; transition: border-color 0.3s; }
.related-card:hover { border-color: var(--ice-cyan); }
.related-card .topic { font-family: var(--font-display); font-size: 11px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--ice-cyan); margin-bottom: 6px; }
.related-card h3 { font-size: 15px; font-weight: 600; color: #fff; line-height: 1.3; }

/* Step list for No Phone Needed */
.steps { counter-reset: steps; margin: 24px 0; }
.step { display: flex; gap: 20px; align-items: flex-start; margin-bottom: 16px; }
.step-num { flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%; background: rgba(0,212,255,0.12); border: 1px solid rgba(0,212,255,0.3); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--ice-cyan); margin-top: 4px; }
.step-content h3 { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--ice-cyan); margin-bottom: 12px; line-height: 1.2; }
.step-content p { color: #E0E8F0; font-size: 18px; line-height: 1.65; margin-bottom: 16px; }
.step-content ul, .step-content ol { margin-bottom: 24px; padding-left: 20px; list-style-position: outside; }
.step-content li { color: #E0E8F0; font-size: 18px; line-height: 1.65; margin-bottom: 8px; }

/* Responsiveness for features */
@media (max-width: 700px) {
  .two-col, .two-col.reverse { grid-template-columns: 1fr; direction: ltr; }
}

/* ========================================
   COMPATIBLE DEVICES SECTION
   ======================================== */
.compat-section {
  padding: 72px 40px;
  background: var(--deep-ice);
  border-top: 1px solid rgba(0, 212, 255, 0.06);
  border-bottom: 1px solid rgba(0, 212, 255, 0.06);
}

.compat-inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.compat-heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 900;
  text-transform: uppercase;
  color: #fff;
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.compat-req {
  color: var(--frost-grey);
  font-size: 0.8rem;
  margin-bottom: 36px;
  line-height: 1.5;
}

.compat-list {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.compat-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

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

.compat-mfr {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--frost-grey);
  width: 72px;
  flex-shrink: 0;
}

.compat-models {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.compat-plain {
  font-size: 0.78rem;
  padding: 3px 9px;
  border-radius: 4px;
  line-height: 1.4;
  color: #8899AA;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

@media (max-width: 600px) {
  .compat-section {
    padding: 56px 20px;
  }
  .compat-mfr {
    width: 56px;
    font-size: 10px;
  }
}

/* ========================================
   PRICING SECTION
   ======================================== */
.pricing-section {
  padding: 100px 40px 80px;
  background: var(--night-blue);
  position: relative;
  overflow: hidden;
}

.pricing-section::before {
  content: '';
  position: absolute;
  top: -160px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.05) 0%, transparent 65%);
  pointer-events: none;
}

.pricing-header {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 44px;
}

.pricing-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.pricing-header p {
  color: var(--frost-grey);
  font-size: 1rem;
}

/* ── No-subscription banner ── */
.no-sub-banner {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 780px;
  margin: 0 auto 52px;
  padding: 18px 24px;
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.18);
  border-left: 3px solid var(--ice-cyan);
  border-radius: 10px;
  font-size: 0.875rem;
  color: #B8CDD8;
  line-height: 1.55;
}

.no-sub-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--ice-cyan);
  margin-top: 1px;
}

.no-sub-banner strong {
  color: #fff;
  display: block;
  font-size: 0.9rem;
  margin-bottom: 3px;
}

/* ── Cards grid ── */
.pricing-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 860px;
  margin: 0 auto;
  align-items: start;
}

.pricing-card {
  background: var(--surface-blue);
  border-radius: 16px;
  padding: 32px 28px 28px;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.pricing-card--pro {
  background: linear-gradient(150deg, #0E1A29 0%, #101D2B 60%, #0C1720 100%);
  border-color: rgba(0, 212, 255, 0.28);
  box-shadow:
    0 0 0 1px rgba(0, 212, 255, 0.06) inset,
    0 0 48px rgba(0, 212, 255, 0.07),
    0 8px 40px rgba(0, 0, 0, 0.4);
}

/* One-time badge */
.pricing-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #0A0E14;
  background: #FFB627;
  padding: 4px 10px 4px 8px;
  border-radius: 5px;
  margin-bottom: 16px;
}

.pricing-badge::before {
  content: '★';
  font-size: 9px;
}

.pricing-card-tier {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--frost-grey);
  margin-bottom: 4px;
}

.pricing-card--pro .pricing-card-tier {
  color: var(--ice-cyan);
}

.pricing-card-name {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  text-transform: uppercase;
  color: #fff;
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

/* ── Price display ── */
.pricing-price {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.pricing-amount {
  display: flex;
  align-items: flex-start;
  gap: 2px;
  line-height: 1;
  margin-bottom: 6px;
}

.pricing-currency {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: rgba(0, 212, 255, 0.6);
  margin-top: 8px;
}

.pricing-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--frost-grey);
}

.pricing-card--free .pricing-number {
  color: #5a6a7a;
}

.pricing-card--pro .pricing-number {
  color: var(--ice-cyan);
}

.pricing-period {
  font-size: 0.75rem;
  color: var(--frost-grey);
  letter-spacing: 0.3px;
}

.pricing-card--pro .pricing-period {
  color: rgba(0, 212, 255, 0.6);
}

/* ── Feature list ── */
.pricing-features {
  list-style: none;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: #9AAABB;
  line-height: 1.45;
}

.pricing-features li strong {
  color: #D0E0EC;
  font-weight: 600;
}

.pricing-check {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
  color: #3D5060;
}

.pricing-card--pro .pricing-check {
  color: var(--ice-cyan);
}

/* ── CTA buttons ── */
.pricing-cta {
  display: block;
  width: 100%;
  text-align: center;
  padding: 13px 20px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  transition: all 0.22s ease;
  text-decoration: none;
}

.pricing-cta--free {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--frost-grey);
}

.pricing-cta--free:hover {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.pricing-cta--pro {
  background: var(--ice-cyan);
  border: 1px solid var(--ice-cyan);
  color: #030810;
  font-weight: 800;
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.28);
}

.pricing-cta--pro:hover {
  box-shadow: 0 0 36px rgba(0, 212, 255, 0.48);
  transform: translateY(-2px);
  color: #000;
}

/* ── Footnote ── */
.pricing-note {
  text-align: center;
  margin-top: 28px;
  color: var(--frost-grey);
  font-size: 0.78rem;
  letter-spacing: 0.2px;
}

.pricing-note strong {
  color: #B0C2D0;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .pricing-section {
    padding: 80px 20px 60px;
  }

  .pricing-cards {
    grid-template-columns: 1fr;
  }

  .no-sub-banner {
    flex-direction: column;
    gap: 8px;
  }
}