:root {
  color-scheme: dark;
  --ink: #f4f6f0;
  --muted: #a9b5a4;
  --dim: #6c786b;
  --green: #b4e77a;
  --green-deep: #17321f;
  --line: rgba(190, 225, 177, .18);
  --surface: rgba(15, 23, 17, .76);
  --serif: Georgia, "Times New Roman", serif;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #050706; color: var(--ink); }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .24; background-image: radial-gradient(rgba(199, 228, 185, .12) .6px, transparent .7px); background-size: 5px 5px; mix-blend-mode: screen; }
a { color: inherit; text-decoration: none; }

.site-header { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; max-width: 1220px; margin: auto; padding: 22px clamp(20px, 5vw, 72px); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand img { width: 42px; height: 42px; border-radius: 12px; box-shadow: 0 0 24px rgba(210, 242, 196, .2); }
.brand strong { display: block; font-size: 16px; letter-spacing: .08em; }
.brand small { display: block; margin-top: 1px; color: var(--dim); font-size: 9px; letter-spacing: .2em; }
nav { display: flex; align-items: center; gap: clamp(16px, 3vw, 34px); color: var(--muted); font-size: 13px; }
nav a { transition: color .2s ease; }
nav a:hover, nav a:focus-visible { color: var(--ink); }
.nav-cta { padding: 8px 16px; border: 1px solid rgba(180, 231, 122, .45); border-radius: 999px; color: var(--green); }

main { overflow: hidden; }
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 46%); align-items: center; max-width: 1220px; min-height: 690px; margin: auto; padding: 74px clamp(20px, 5vw, 72px) 88px; }
.hero-copy { position: relative; z-index: 1; max-width: 610px; }
.eyebrow, .section-kicker { margin: 0 0 24px; color: var(--green); font-size: 11px; letter-spacing: .22em; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-weight: 500; letter-spacing: -.045em; line-height: 1.05; }
h1 { max-width: 640px; margin-bottom: 28px; font-size: clamp(44px, 6vw, 78px); }
h2 { font-size: clamp(36px, 5vw, 62px); }
em { color: var(--green); font-family: var(--serif); font-weight: 400; }
.hero-lede { max-width: 490px; margin-bottom: 34px; color: var(--muted); font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; }
.primary-button { display: inline-flex; align-items: center; gap: 10px; min-width: 176px; padding: 12px 18px; border: 1px solid rgba(225, 243, 217, .3); border-radius: 14px; background: var(--ink); color: #071008; box-shadow: 0 14px 40px rgba(165, 224, 113, .12); transition: transform .2s ease, box-shadow .2s ease; }
.primary-button:hover, .primary-button:focus-visible { transform: translateY(-2px); box-shadow: 0 18px 48px rgba(165, 224, 113, .24); }
.primary-button span:last-child { display: grid; font-weight: 700; line-height: 1.05; }
.primary-button small { margin-bottom: 3px; font-size: 9px; font-weight: 500; letter-spacing: .08em; opacity: .62; }
.apple-mark { font-size: 19px; line-height: 1; }
.text-link { color: var(--muted); font-size: 14px; }
.text-link span, .privacy-links span { color: var(--green); }
.availability-note { margin: 22px 0 0; color: var(--dim); font-size: 12px; letter-spacing: .02em; }
.hero-art { position: relative; display: grid; place-items: center; min-height: 560px; }
.hero-art::after { content: ""; position: absolute; inset: 5% -8% 2%; background: radial-gradient(circle, rgba(173, 234, 130, .16), transparent 62%); pointer-events: none; }
.hero-art img { position: relative; z-index: 1; width: min(100%, 430px); max-height: 600px; object-fit: contain; filter: drop-shadow(0 0 26px rgba(228, 244, 219, .18)); }
.art-glow { position: absolute; z-index: 0; width: 54%; aspect-ratio: 1; border-radius: 50%; background: rgba(192, 235, 152, .1); filter: blur(60px); }
.art-caption { position: absolute; z-index: 2; bottom: 6%; display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 11px; letter-spacing: .14em; }
.art-caption i { width: 22px; height: 1px; background: var(--green); opacity: .7; }

.intro-band, .feature-section, .privacy-section, .download-section { max-width: 1220px; margin: auto; padding: 105px clamp(20px, 5vw, 72px); }
.intro-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; align-items: end; }
.intro-grid h2 { margin-bottom: 0; }
.intro-grid p { max-width: 470px; margin-bottom: 3px; color: var(--muted); font-size: 18px; }

.feature-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 10%; }
.feature-heading h2 { margin-bottom: 0; }
.feature-list { border-top: 1px solid var(--line); }
.feature-row { display: grid; grid-template-columns: 48px 1fr 28px; gap: 20px; align-items: start; padding: 27px 0; border-bottom: 1px solid var(--line); }
.feature-index { color: var(--green); font: 14px/1 var(--serif); }
.feature-row h3 { margin-bottom: 8px; font-size: 19px; font-weight: 500; }
.feature-row p { max-width: 510px; margin: 0; color: var(--muted); }
.feature-symbol { color: var(--green); font-size: 24px; line-height: 1; text-align: right; }

.privacy-section { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; align-items: end; padding-top: 74px; padding-bottom: 120px; }
.privacy-copy { max-width: 500px; color: var(--muted); font-size: 16px; }
.privacy-links { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 28px; color: var(--ink); font-size: 14px; }
.privacy-links span { margin-left: 5px; }

.download-section { position: relative; display: flex; align-items: end; justify-content: space-between; gap: 30px; min-height: 320px; border-top: 1px solid var(--line); background: linear-gradient(115deg, rgba(31, 62, 36, .84), rgba(8, 14, 9, .65)); }
.download-section h2 { margin-bottom: 16px; }
.download-section p { margin: 0; color: var(--muted); }
.download-orbit { position: absolute; top: 0; right: 18%; width: 320px; height: 320px; border: 1px solid rgba(180, 231, 122, .18); border-radius: 50%; transform: translateY(-46%); box-shadow: 0 0 80px rgba(180, 231, 122, .12), inset 0 0 80px rgba(180, 231, 122, .05); }
.download-orbit::before, .download-orbit::after { content: ""; position: absolute; inset: 14%; border: 1px solid rgba(180, 231, 122, .1); border-radius: 50%; }
.download-orbit::after { inset: 32%; }
.primary-button.light { position: relative; z-index: 1; background: var(--green); border-color: var(--green); }

.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 24px; max-width: 1220px; margin: auto; padding: 30px clamp(20px, 5vw, 72px) 46px; color: var(--dim); font-size: 12px; }
.site-footer strong { display: block; color: var(--ink); font-weight: 500; letter-spacing: .08em; }
.site-footer span { display: block; margin-top: 5px; }
.site-footer p { grid-column: 1 / -1; margin: 12px 0 0; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: end; gap: 18px; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--ink); }

@media (max-width: 760px) {
  .site-header { align-items: flex-start; gap: 20px; }
  nav { justify-content: end; gap: 12px; font-size: 11px; }
  nav a:not(.nav-cta) { display: none; }
  .hero { display: flex; flex-direction: column; align-items: stretch; min-height: 0; padding-top: 66px; }
  h1 { font-size: clamp(43px, 13vw, 66px); }
  .hero-lede { font-size: 16px; }
  .hero-art { min-height: 400px; margin-top: 35px; }
  .hero-art img { width: min(82vw, 340px); max-height: 430px; }
  .art-caption { bottom: 3%; }
  .intro-band, .feature-section, .privacy-section, .download-section { padding-top: 74px; padding-bottom: 74px; }
  .intro-grid, .feature-section, .privacy-section { grid-template-columns: 1fr; gap: 34px; }
  .intro-grid p { font-size: 16px; }
  .feature-heading h2, .privacy-section h2, .download-section h2 { font-size: 43px; }
  .download-section { display: block; min-height: 400px; }
  .download-section .primary-button { margin-top: 30px; }
  .download-orbit { right: -100px; width: 280px; height: 280px; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-links { justify-content: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .primary-button, nav a { transition: none; }
}
