:root {
    --bg: #f1f6f3;
    --surface: #ffffff;
    --surface-tint: #e4f0ea;
    --ink: #1b2420;
    --ink-muted: #5b6960;
    --teal-500: #1f6f5c;
    --teal-700: #14493c;
    --teal-300: #8fd6be;
    --blue-400: #4fa9c9;
    --border: #dde8e1;
    --shadow: 0 24px 60px -30px rgba(20, 40, 32, 0.35);
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --bg: #101513;
      --surface: #171e1b;
      --surface-tint: #1c2622;
      --ink: #e9efec;
      --ink-muted: #9fb0a8;
      --teal-500: #5fd1b2;
      --teal-700: #8fe4cb;
      --teal-300: #2e6e58;
      --blue-400: #6fc3e0;
      --border: #26332d;
      --shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.6);
    }
  }

  :root[data-theme="dark"] {
    --bg: #101513;
    --surface: #171e1b;
    --surface-tint: #1c2622;
    --ink: #e9efec;
    --ink-muted: #9fb0a8;
    --teal-500: #5fd1b2;
    --teal-700: #8fe4cb;
    --teal-300: #2e6e58;
    --blue-400: #6fc3e0;
    --border: #26332d;
    --shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.6);
  }

  * { box-sizing: border-box; }

  @media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
  }

  a { color: var(--teal-700); }
  a:hover { color: var(--teal-500); }

  .wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
  .prose { max-width: 66ch; }

  /* ---------- nav ---------- */
  header.site {
    position: sticky;
    top: 0;
    z-index: 20;
    background: #ffffff;
    border-bottom: 1px solid #e4e9ee;
  }
  header.site .wordmark { color: #1b2420; }
  header.site nav.links a { color: #5b6960; }
  header.site nav.links a:hover { color: #14493c; }
  header.site .has-sub > button { color: #5b6960; }
  header.site .has-sub > button:hover,
  header.site .has-sub.open > button { color: #14493c; }

  .nav-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    gap: 16px;
  }

  .wordmark {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.01em;
    text-decoration: none;
    color: var(--ink);
  }

  .wordmark .dot {
    width: 14px; height: 14px; border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--teal-300), var(--teal-500) 60%, var(--blue-400));
    flex: none;
  }

  nav.links { display: flex; gap: 22px; font-size: 0.92rem; }
  nav.links a { color: var(--ink-muted); text-decoration: none; }
  nav.links a:hover { color: var(--teal-700); }

  /* ---------- hero ---------- */
  .hero {
    position: relative;
    padding: 88px 0 76px;
    overflow: hidden;
  }

  .blob {
    position: absolute;
    border-radius: 44% 56% 62% 38% / 48% 42% 58% 52%;
    background: radial-gradient(circle at 32% 28%, var(--teal-300), var(--teal-500) 55%, var(--blue-400) 100%);
    opacity: 0.28;
    filter: blur(2px);
    animation: morph 14s ease-in-out infinite;
  }
  .blob.b1 { width: 520px; height: 520px; top: -180px; right: -160px; }
  .blob.b2 { width: 340px; height: 340px; bottom: -140px; left: -120px; animation-delay: -6s; opacity: 0.18; }

  @keyframes morph {
    0%, 100% { border-radius: 44% 56% 62% 38% / 48% 42% 58% 52%; transform: rotate(0deg) scale(1); }
    50% { border-radius: 58% 42% 40% 60% / 55% 60% 40% 45%; transform: rotate(8deg) scale(1.04); }
  }

  .hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
  }

  .eyebrow {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal-700);
    margin-bottom: 14px;
  }

  h1 {
    font-family: ui-rounded, "SF Pro Rounded", "Segoe UI", Roboto, sans-serif;
    font-size: clamp(2.3rem, 4.6vw, 3.4rem);
    line-height: 1.06;
    letter-spacing: -0.02em;
    margin: 0 0 20px;
    text-wrap: balance;
    font-weight: 800;
  }

  .hero p.lead {
    font-size: 1.14rem;
    color: var(--ink-muted);
    max-width: 46ch;
    margin: 0 0 30px;
  }

  .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
  .play-badge { display: inline-block; transition: transform 0.15s ease, opacity 0.15s ease; }
  .play-badge:hover { transform: translateY(-1px); opacity: 0.9; }
  .play-badge img { display: block; width: 207px; max-width: 100%; height: auto; }

  .badge-soon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.86rem;
    color: var(--ink-muted);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 9px 16px;
  }
  .badge-soon .pulse {
    width: 7px; height: 7px; border-radius: 50%; background: var(--teal-500);
    animation: pulse 1.8s ease-in-out infinite;
  }
  @keyframes pulse { 0%, 100% { opacity: .4; } 50% { opacity: 1; } }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--teal-700);
    color: #fdfdfa;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.94rem;
    padding: 11px 20px;
    border-radius: 10px;
    transition: transform 0.15s ease, background 0.15s ease;
  }
  .btn:hover { background: var(--teal-500); color: #0f1a16; transform: translateY(-1px); }

  /* ---------- phone mock ---------- */
  .phone-mock {
    position: relative;
    justify-self: center;
    width: min(260px, 100%);
    filter: drop-shadow(var(--shadow));
  }
  .phone-mock img {
    display: block;
    width: 100%;
    border-radius: 28px;
    border: 6px solid var(--surface);
    outline: 1px solid var(--border);
  }
  .phone-mock .ring {
    position: absolute;
    inset: -22px;
    border-radius: 44px;
    border: 1px dashed color-mix(in srgb, var(--teal-500) 40%, transparent);
    pointer-events: none;
  }

  /* ---------- sections ---------- */
  section { padding: 76px 0; border-top: 1px solid var(--border); }
  section:first-of-type { border-top: none; }

  .section-head { max-width: 56ch; margin-bottom: 44px; }
  .section-head .eyebrow { margin-bottom: 10px; }
  h2 {
    font-family: ui-rounded, "SF Pro Rounded", "Segoe UI", Roboto, sans-serif;
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    letter-spacing: -0.01em;
    margin: 0 0 12px;
    text-wrap: balance;
    font-weight: 800;
  }
  .section-head p { color: var(--ink-muted); margin: 0; }

  .disclaimer-box {
    margin-top: 22px;
    max-width: 62ch;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--blue-400);
    border-radius: 10px;
    padding: 16px 20px;
    font-size: 0.92rem;
    color: var(--ink-muted);
  }
  .disclaimer-box strong { color: var(--ink); }

  /* features */
  .features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
  }
  .feature {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 26px 24px;
  }
  .feature .mark {
    width: 34px; height: 34px;
    border-radius: 10px;
    background: var(--surface-tint);
    color: var(--teal-700);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    margin-bottom: 16px;
    font-size: 0.95rem;
  }
  .feature h3 { margin: 0 0 8px; font-size: 1.02rem; letter-spacing: -0.005em; }
  .feature p { margin: 0; color: var(--ink-muted); font-size: 0.94rem; }

  /* screenshots */
  .shots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: end;
  }
  .shot {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 14px;
  }
  .shot img { width: 100%; border-radius: 10px; display: block; }
  .shot figcaption {
    margin-top: 12px;
    font-size: 0.86rem;
    color: var(--ink-muted);
    text-align: center;
  }
  .shot.wide { grid-column: span 1; }

  /* privacy CTA card */
  .privacy-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px clamp(20px, 5vw, 48px);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    align-items: center;
  }
  .privacy-card ul {
    margin: 0;
    padding-left: 1.2em;
    max-width: 46ch;
    color: var(--ink);
  }
  .privacy-card li { margin: 0.4em 0; }
  .privacy-card .cta { flex: none; }

  /* footer */
  footer.site {
    border-top: 1px solid #e4e9ee;
    background: #ffffff;
    padding: 32px 0;
    color: #5b6960;
    font-size: 0.88rem;
  }
  footer.site .row {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; align-items: center;
  }
  footer.site a { color: #5b6960; }
  footer.site a:hover { color: #3bb8ac; }
  .footer-brand { display: flex; align-items: center; }
  .footer-brand a { display: inline-flex; transition: opacity 0.15s ease; }
  .footer-brand a:hover { opacity: 0.8; }
  .footer-logo { display: block; width: 320px; max-width: 100%; height: auto; }
  .footer-meta { display: flex; flex-direction: column; gap: 4px; text-align: right; }
  .footer-copy { color: #8a978e; font-size: 0.8rem; }

  @media (max-width: 860px) {
    .hero-grid { grid-template-columns: 1fr; }
    .phone-mock { order: -1; margin-bottom: 8px; width: min(220px, 60vw); }
    .shots { grid-template-columns: 1fr 1fr; }
    .shot.wide { grid-column: span 2; }
    .privacy-card { grid-template-columns: 1fr; text-align: left; }
  }
  @media (max-width: 520px) {
    nav.links { display: none; }
    .shots { grid-template-columns: 1fr; }
    .shot.wide { grid-column: span 1; }
  }

  /* ---------- submenu ---------- */
  .has-sub { position: relative; }
  .has-sub > button {
    background: none; border: none; cursor: pointer;
    font: inherit; color: var(--ink-muted); padding: 0;
    display: inline-flex; align-items: center; gap: 4px;
  }
  .has-sub > button:hover, .has-sub.open > button { color: var(--teal-700); }
  .has-sub .caret { font-size: 0.7em; transition: transform 0.15s ease; }
  .has-sub.open .caret { transform: rotate(180deg); }
  .submenu {
    position: absolute; top: calc(100% + 12px); left: 50%;
    transform: translateX(-50%);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow);
    min-width: 200px;
    padding: 8px;
    display: none;
    z-index: 30;
  }
  .has-sub.open .submenu { display: block; }
  .submenu a {
    display: block;
    padding: 9px 12px;
    border-radius: 6px;
    font-size: 0.92rem;
    color: var(--ink);
    text-decoration: none;
  }
  .submenu a:hover { background: var(--surface-tint); color: var(--teal-700); }
  @media (max-width: 520px) {
    .submenu { position: static; transform: none; box-shadow: none; border: none; padding: 4px 0 0 0; display: block; }
    .has-sub .caret { display: none; }
    .has-sub > button { pointer-events: none; }
  }