:root {
  color-scheme: light;
  --ink: #10383a;
  --muted: #5a7474;
  --deep: #073b3d;
  --deep-2: #0c5455;
  --mint: #4cc9ab;
  --mint-pale: #e2f7f0;
  --paper: #f4faf8;
  --white: #fff;
  --line: #dcebe6;
  --shadow: 0 20px 60px rgba(8, 59, 60, .09);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.6; }
a { color: inherit; }
.site-header { min-height: 82px; max-width: 1180px; margin: 0 auto; padding: 14px 28px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { display: block; width: 48px; height: 48px; border-radius: 14px; object-fit: cover; box-shadow: 0 5px 18px rgba(7, 59, 61, .18); }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: 18px; letter-spacing: -.03em; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 8px; }
.nav-link { min-height: 42px; padding: 10px 16px; color: var(--muted); font-size: 14px; font-weight: 650; text-decoration: none; border-radius: 12px; }
.nav-link:hover { color: var(--deep); background: var(--mint-pale); }
.nav-link.active { color: var(--deep); background: var(--mint-pale); }
main { max-width: 1124px; margin: 0 auto; padding: 0 28px 76px; }
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 48px; align-items: center; min-height: 510px; padding: 56px 58px; overflow: hidden; color: #f4fffb; background: radial-gradient(ellipse at 80% 20%, rgba(76, 201, 171, .2), transparent 44%), linear-gradient(135deg, #073b3d, #0b5050 68%, #0d6460); border-radius: 28px; box-shadow: var(--shadow); }
.hero::after { content: ""; position: absolute; width: 480px; height: 480px; right: -205px; bottom: -295px; border: 1px solid rgba(219, 255, 239, .15); border-radius: 50%; box-shadow: 0 0 0 38px rgba(219, 255, 239, .03), 0 0 0 86px rgba(219, 255, 239, .025); pointer-events: none; }
.hero-copy { position: relative; z-index: 1; max-width: 620px; }
.eyebrow { display: flex; align-items: center; gap: 8px; margin: 0 0 14px; color: #72dcc0; font-size: 12px; font-weight: 760; letter-spacing: .11em; text-transform: uppercase; }
.status-dot { width: 8px; height: 8px; flex: 0 0 auto; background: var(--mint); border-radius: 50%; box-shadow: 0 0 0 4px rgba(76, 201, 171, .16); }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { max-width: 620px; margin-bottom: 20px; font-size: clamp(42px, 6vw, 68px); line-height: 1.02; letter-spacing: -.065em; }
.hero h1 span { color: #84e4ca; }
.lead { color: #d0e9e1; font-size: 17px; line-height: 1.75; }
.hero-copy .lead { max-width: 580px; margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 50px; padding: 0 19px; border: 1px solid transparent; border-radius: 13px; font-size: 14px; font-weight: 760; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #073b3d; background: #8be4ca; box-shadow: 0 7px 22px rgba(2, 25, 26, .17); }
.button-primary:hover { background: #a5f0d8; }
.button-secondary { color: #e8fff7; border-color: rgba(226, 255, 243, .3); background: rgba(255, 255, 255, .06); }
.button-secondary:hover { background: rgba(255, 255, 255, .12); }
.version-line { margin: 18px 0 0; color: #bddbd2; font-size: 12px; }
.version-line strong { color: #f1fff9; }
.hero-art { position: relative; z-index: 1; display: grid; justify-items: center; }
.logo-glow { width: min(100%, 310px); aspect-ratio: 1; display: grid; place-items: center; background: radial-gradient(circle, rgba(129, 238, 207, .28), rgba(129, 238, 207, 0) 70%); }
.logo-glow img { width: min(82%, 256px); height: auto; border-radius: 30px; box-shadow: 0 28px 60px rgba(0, 18, 19, .36); }
.art-caption { display: flex; align-items: center; gap: 10px; margin-top: -6px; padding: 10px 16px; color: #d6eee5; background: rgba(2, 36, 37, .55); border: 1px solid rgba(226, 255, 243, .13); border-radius: 13px; font-size: 12px; line-height: 1.45; }
.caption-lock { width: 18px; height: 18px; color: var(--mint); font-size: 13px; text-align: center; border: 2px solid var(--mint); border-radius: 6px; line-height: 12px; }
.security-panel { display: grid; grid-template-columns: 54px 1fr; gap: 20px; align-items: start; margin: 28px 0 0; padding: 34px 38px; background: var(--white); border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 8px 30px rgba(8, 59, 60, .04); }
.section-mark { display: grid; place-items: center; width: 48px; height: 48px; color: var(--deep); background: var(--mint-pale); border-radius: 15px; font-size: 27px; font-weight: 700; }
.security-panel .eyebrow, .section-heading .eyebrow, .honesty-note .eyebrow, .download-banner .eyebrow { color: var(--deep-2); }
.security-panel h2 { max-width: 700px; margin: 0 0 10px; font-size: clamp(22px, 3vw, 30px); line-height: 1.2; letter-spacing: -.04em; }
.security-panel p:last-child { max-width: 820px; margin: 0; color: var(--muted); font-size: 14px; }
.feature-section { padding: 68px 0 48px; }
.section-heading { margin: 0 0 24px; }
.section-heading h2, .honesty-note h2 { margin-bottom: 0; font-size: clamp(27px, 4vw, 38px); line-height: 1.18; letter-spacing: -.05em; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { min-height: 194px; padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: 19px; }
.feature-icon { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 20px; color: var(--deep); background: var(--mint-pale); border-radius: 13px; font-size: 22px; font-weight: 800; }
.icon-media { color: #714d99; background: #f0e9fb; }
.icon-id { color: #a45f13; background: #fff0d9; }
.feature-card h3 { margin-bottom: 7px; font-size: 17px; letter-spacing: -.02em; }
.feature-card p { margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.honesty-note { padding: 30px 34px; background: #edf5f2; border-radius: 20px; }
.honesty-note h2 { margin-bottom: 12px; font-size: 23px; }
.honesty-note p { max-width: 880px; margin-bottom: 18px; color: var(--muted); font-size: 14px; }
.text-link { color: var(--deep-2); font-size: 13px; font-weight: 760; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.text-link:hover { color: #07866f; }
.download-banner { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 26px; padding: 30px 34px; color: #f1fff9; background: var(--deep); border-radius: 20px; }
.download-banner .eyebrow { color: #82e3c8; }
.download-banner h2 { margin-bottom: 7px; font-size: 23px; letter-spacing: -.04em; }
.download-banner p:last-child { margin-bottom: 0; color: #bbd8d0; font-size: 13px; }
.button-light { flex: 0 0 auto; color: var(--deep); background: #a2ecd4; }
.button-light:hover { background: #c2f5e4; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: 1124px; margin: 0 auto; padding: 23px 28px 30px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }
.site-footer a { color: var(--deep-2); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-brand { font-weight: 800; letter-spacing: -.02em; }
.notes-main { max-width: 900px; padding-top: 52px; }
.notes-intro { padding: 18px 0 31px; }
.notes-intro h1 { margin-bottom: 10px; font-size: clamp(40px, 6vw, 58px); line-height: 1; letter-spacing: -.065em; }
.notes-intro .lead { max-width: 680px; margin-bottom: 0; color: var(--muted); }
.notes-list { display: grid; gap: 14px; }
.release-card { padding: 23px 26px; background: var(--white); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 5px 20px rgba(8, 59, 60, .035); }
.release-card.release-current { padding: 28px 30px; border-color: #8bdcc5; box-shadow: 0 8px 30px rgba(8, 111, 91, .09); }
.release-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 11px; color: var(--muted); font-size: 12px; }
.release-badge { display: inline-flex; align-items: center; min-height: 24px; padding: 3px 9px; color: var(--deep-2); background: var(--mint-pale); border-radius: 99px; font-size: 10px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.release-card h2 { margin-bottom: 8px; font-size: 20px; letter-spacing: -.035em; }
.release-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.release-card .text-link { display: inline-block; margin-top: 16px; }
.notes-footnote { margin: 22px 0 0; color: var(--muted); font-size: 12px; }

@media (max-width: 760px) {
  .site-header { min-height: 72px; padding: 12px 18px; }
  .brand img { width: 42px; height: 42px; border-radius: 12px; }
  .brand-copy strong { font-size: 16px; }
  .brand-copy small { font-size: 9px; }
  .main-nav { gap: 0; }
  .nav-link { padding: 9px 11px; font-size: 12px; }
  main { padding: 0 16px 54px; }
  .hero { grid-template-columns: 1fr; gap: 20px; min-height: 0; padding: 38px 26px 32px; border-radius: 23px; }
  .hero h1 { font-size: clamp(42px, 11vw, 58px); }
  .hero-copy .lead { font-size: 15px; }
  .hero-art { grid-row: 1; justify-self: end; margin: -12px -5px -10px 0; }
  .logo-glow { width: 126px; }
  .logo-glow img { width: 104px; border-radius: 17px; }
  .art-caption { display: none; }
  .security-panel { grid-template-columns: 42px 1fr; gap: 13px; margin-top: 16px; padding: 22px 18px; }
  .section-mark { width: 40px; height: 40px; border-radius: 12px; }
  .feature-section { padding: 49px 0 30px; }
  .feature-grid { grid-template-columns: 1fr; gap: 10px; }
  .feature-card { min-height: 0; padding: 19px; }
  .feature-icon { margin-bottom: 13px; }
  .honesty-note { padding: 24px 20px; }
  .download-banner { align-items: flex-start; flex-direction: column; padding: 25px 21px; }
  .site-footer { padding: 19px 18px 25px; }
  .notes-main { padding-top: 34px; }
  .release-card, .release-card.release-current { padding: 21px 19px; }
}

@media (max-width: 380px) {
  .site-header { gap: 6px; }
  .brand { gap: 8px; }
  .nav-link { padding: 9px 8px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}