*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --surface: #f9f9f8;
    --on-surface: #0B0B0B;
    --on-surface-muted: #6b6b6a;
    --on-surface-faint: #b8b8b6;
    --border: rgba(11,11,11,0.1);
    --border-strong: rgba(11,11,11,0.2);
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--surface);
    color: var(--on-surface);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
  }

  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-logo {
    font-family: 'Space Mono', monospace;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--on-surface);
    text-decoration: none;
  }

  .nav-tag {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--on-surface-muted);
  }

  main {
    padding-top: 56px;
  }

  /* Hero */
  .hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 7rem 2rem 5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
  }

  .hero-left {}

  .eyebrow {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--on-surface-muted);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .eyebrow::before {
    content: '';
    display: block;
    width: 20px;
    height: 1px;
    background: var(--on-surface-faint);
  }

  h1 {
    font-family: 'Inter', sans-serif;
    font-size: clamp(2.6rem, 5vw, 3.8rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--on-surface);
    margin-bottom: 1.5rem;
  }

  h1 em {
    font-style: normal;
    color: var(--on-surface-muted);
  }

  .hero-body {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--on-surface-muted);
    max-width: 420px;
    margin-bottom: 2.5rem;
  }

  .cta-group {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--on-surface);
    color: var(--surface);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    padding: 13px 22px;
    border-radius: 6px;
    transition: opacity 0.15s ease;
  }

  .btn-primary:hover { opacity: 0.8; }

  .btn-primary svg {
    width: 18px; height: 18px;
    fill: var(--surface);
  }

  .cta-note {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.06em;
    color: var(--on-surface-faint);
    text-transform: uppercase;
  }

  /* Phone mockup */
  .hero-right {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 1rem;
  }

  .phone-wrap {
    position: relative;
    width: 260px;
  }

  .phone-frame {
    width: 260px;
    background: var(--on-surface);
    border-radius: 38px;
    padding: 14px;
    box-shadow:
      0 0 0 1px rgba(255,255,255,0.06),
      0 60px 120px rgba(11,11,11,0.18),
      0 24px 48px rgba(11,11,11,0.10);
  }

  .phone-screen {
    background: #f0efe8;
    border-radius: 28px;
    overflow: hidden;
    aspect-ratio: 9/19.5;
    position: relative;
  }

  .screen-notch {
    position: absolute;
    top: 13px; left: 50%;
    transform: translateX(-50%);
    width: 72px; height: 22px;
    background: var(--on-surface);
    border-radius: 20px;
    z-index: 2;
  }

  /* App UI mockup inside screen */
  .app-ui {
    width: 100%; height: 100%;
    display: flex; flex-direction: column;
    font-family: 'Inter', sans-serif;
    padding-top: 52px;
  }

  .app-header {
    padding: 0 16px 12px;
    border-bottom: 1px solid rgba(11,11,11,0.06);
  }

  .app-header-label {
    font-family: 'Space Mono', monospace;
    font-size: 8px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 3px;
  }

  .app-header-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--on-surface);
    letter-spacing: -0.02em;
  }

  .app-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 12px 16px;
  }

  .stat-card {
    background: white;
    border-radius: 12px;
    padding: 10px;
  }

  .stat-label {
    font-size: 7.5px;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
  }

  .stat-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--on-surface);
    letter-spacing: -0.03em;
  }

  .stat-sub {
    font-size: 7.5px;
    color: #aaa;
    margin-top: 1px;
  }

  .app-chart-area {
    padding: 8px 16px 0;
  }

  .chart-label {
    font-size: 7.5px;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
  }

  .chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 52px;
  }

  .chart-bar {
    flex: 1;
    background: var(--on-surface);
    border-radius: 3px 3px 0 0;
    opacity: 0.08;
  }

  .chart-bar.active { opacity: 1; }
  .chart-bar.mid { opacity: 0.3; }

  .app-list {
    padding: 12px 16px 0;
    flex: 1;
    overflow: hidden;
  }

  .list-label {
    font-size: 7.5px;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
  }

  .list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 0;
    border-bottom: 1px solid rgba(11,11,11,0.05);
  }

  .list-item-left {
    display: flex;
    align-items: center;
    gap: 7px;
  }

  .list-dot {
    width: 22px; height: 22px;
    border-radius: 6px;
    background: rgba(11,11,11,0.08);
  }

  .list-name { font-size: 9px; font-weight: 500; color: var(--on-surface); }
  .list-sub { font-size: 7.5px; color: #aaa; }
  .list-val { font-size: 9px; font-weight: 600; color: var(--on-surface); }

  .app-navbar {
    display: flex;
    justify-content: space-around;
    padding: 12px 8px;
    border-top: 1px solid rgba(11,11,11,0.06);
    margin-top: auto;
  }

  .nav-icon {
    width: 18px; height: 18px;
    border-radius: 4px;
    background: rgba(11,11,11,0.07);
  }

  .nav-icon.active {
    background: var(--on-surface);
  }

  /* Floating badge */
  .phone-badge {
    position: absolute;
    right: -28px;
    top: 30%;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    padding: 10px 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
  }

  .badge-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--on-surface);
    flex-shrink: 0;
  }

  .badge-text {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    color: var(--on-surface);
    line-height: 1.3;
  }

  .badge-text span {
    display: block;
    color: var(--on-surface-faint);
    font-size: 9px;
  }

  /* Features strip */
  .features {
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 2rem;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }

  .feature {
    padding: 2rem 2rem 2rem 0;
    border-right: 1px solid var(--border);
  }

  .feature:last-child { border-right: none; padding-left: 2rem; padding-right: 0; }
  .feature:not(:first-child) { padding-left: 2rem; }

  .feature-num {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--on-surface-faint);
    margin-bottom: 1.25rem;
  }

  .feature-title {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--on-surface);
    margin-bottom: 0.6rem;
  }

  .feature-desc {
    font-size: 0.875rem;
    line-height: 1.65;
    color: var(--on-surface-muted);
  }

  /* Footer */
  footer {
    border-top: 1px solid var(--border);
    padding: 2rem;
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .footer-logo {
    font-family: 'Space Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    color: var(--on-surface);
  }

  .footer-note {
    font-size: 12px;
    color: var(--on-surface-faint);
  }

  /* Animations */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(22px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .hero-left > * {
    opacity: 0;
    animation: fadeUp 0.55s ease forwards;
  }

  .eyebrow        { animation-delay: 0.05s; }
  h1              { animation-delay: 0.15s; }
  .hero-body      { animation-delay: 0.25s; }
  .cta-group      { animation-delay: 0.35s; }

  .hero-right {
    opacity: 0;
    animation: fadeUp 0.6s ease 0.4s forwards;
  }

  /* Responsive */
  @media (max-width: 780px) {
    .hero {
      grid-template-columns: 1fr;
      gap: 3rem;
      padding: 4rem 1.5rem 3rem;
      text-align: center;
    }

    .eyebrow { justify-content: center; }
    .hero-body { margin: 0 auto 2.5rem; }
    .cta-group { justify-content: center; }

    .hero-right { justify-content: center; }
    .phone-badge { display: none; }

    .features {
      grid-template-columns: 1fr;
      padding: 2rem 1.5rem;
    }

    .feature {
      border-right: none;
      border-bottom: 1px solid var(--border);
      padding: 1.5rem 0 !important;
    }

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