/* SpaceArt — matches the iOS app's design tokens */
:root {
  --bg: #08080B;
  --surface: #131318;
  --surface-2: #1C1C23;
  --surface-3: #272730;
  --border: rgba(255, 255, 255, 0.08);
  --text: #F5F5F7;
  --text-2: #A3A3AE;
  --text-3: #6E6E7A;
  --accent: #7DD8FF;
  --accent-soft: rgba(125, 216, 255, 0.12);
  --on-accent: #0A0A0D;
  --pro: #A99BFF;
  --pro-soft: rgba(169, 155, 255, 0.15);
  --display: "Space Grotesk", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, sans-serif;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.1; margin: 0; letter-spacing: -0.02em; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Nav — a floating glass pill like the app's tab bar */
.nav {
  position: sticky; top: 12px; z-index: 10;
  max-width: var(--max); margin: 12px auto 0; padding: 0 20px;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px 10px 10px 16px;
  background: rgba(28, 28, 35, 0.72);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid var(--border); border-radius: 999px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-family: var(--display); font-weight: 700; font-size: 18px; }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 9px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--text-2); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.btn { color: var(--on-accent); }
.nav-links a.btn:hover { color: var(--on-accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 56px; padding: 0 26px; border-radius: 999px;
  font-weight: 700; font-size: 16px; border: 0; cursor: pointer;
  transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: var(--on-accent); }
.btn-small { height: 40px; padding: 0 18px; font-size: 14px; }
.appstore {
  display: inline-flex; align-items: center; gap: 12px;
  height: 58px; padding: 0 22px 0 18px; border-radius: 16px;
  background: #000; color: #fff; border: 1px solid rgba(255,255,255,.35);
  transition: transform .15s ease;
}
.appstore:hover { text-decoration: none; transform: translateY(-1px); }
.appstore svg { width: 26px; height: 32px; fill: #fff; }
.appstore small { display: block; font-size: 11px; line-height: 1.1; letter-spacing: .02em; }
.appstore strong { display: block; font-size: 21px; line-height: 1.1; font-weight: 600; letter-spacing: -.01em; }

/* Tags */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
  font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
}
.tag.pro { background: var(--pro-soft); color: var(--pro); }

/* Hero */
.hero { position: relative; padding: 56px 0 40px; overflow: hidden; }
/* Page-top glow: starts behind the nav so there's no hard edge. */
body { position: relative; }
body::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1000px; z-index: -1; pointer-events: none;
  background:
    radial-gradient(42% 52% at 30% 30%, rgba(125,216,255,.16), transparent 72%),
    radial-gradient(38% 52% at 75% 36%, rgba(169,155,255,.16), transparent 72%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(42px, 6.4vw, 76px); margin: 18px 0 18px; }
.hero p.lead { font-size: 19px; color: var(--text-2); max-width: 520px; margin: 0 0 30px; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.hero-note { color: var(--text-3); font-size: 13px; margin-top: 14px; }
.hero-art { position: relative; }
.phone img { display: block; width: 100%; height: auto; }
.hero-art .orbit { width: 100%; border-radius: 32px; }
.phone {
  align-self: flex-start; line-height: 0;
  border-radius: 44px; overflow: hidden;
  border: 8px solid #1b1b22; background: #000;
  box-shadow: 0 40px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.06);
}
.hero-art .phone { position: absolute; width: 44%; right: 2%; bottom: -8%; transform: rotate(4deg); }

/* Sections */
section { padding: 88px 0; }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(32px, 4.4vw, 48px); margin: 14px 0 12px; }
.section-head p { color: var(--text-2); font-size: 18px; margin: 0; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* Feature rows */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-bottom: 96px; }
.feature:last-child { margin-bottom: 0; }
.feature.flip .feature-media { order: 2; }
.feature h3 { font-size: clamp(28px, 3.4vw, 40px); margin: 14px 0 14px; }
.feature p { color: var(--text-2); font-size: 17px; margin: 0 0 18px; }
.feature ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.feature li { display: flex; gap: 10px; color: var(--text); }
.feature li::before { content: "✦"; color: var(--accent); }
.feature-media { display: flex; justify-content: center; align-items: flex-start; gap: 18px; }
.feature-media .phone { width: 46%; max-width: 280px; }
.feature-media .phone:nth-child(2) { margin-top: 56px; }
.card-media { border-radius: 28px; overflow: hidden; border: 1px solid var(--border); }

/* Styles marquee */
.styles { overflow: hidden; padding: 8px 0 0; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.styles-track { display: flex; gap: 14px; width: max-content; animation: scroll 60s linear infinite; }
.styles figure { margin: 0; width: 150px; }
.styles img { width: 150px; height: 188px; object-fit: cover; border-radius: 18px; border: 1px solid var(--border); }
.styles figcaption { margin-top: 8px; color: var(--text-2); font-size: 13px; font-weight: 500; text-align: center; }
@keyframes scroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .styles-track { animation: none; } }

/* Bento */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: 24px;
  padding: 26px; display: flex; flex-direction: column; gap: 10px;
}
.tile .icon { width: 44px; height: 44px; border-radius: 14px; background: var(--surface-2); display: grid; place-items: center; font-size: 20px; }
.tile h4 { margin: 6px 0 0; font-family: var(--display); font-size: 20px; }
.tile p { margin: 0; color: var(--text-2); font-size: 15px; }

/* Pro */
.pro-card {
  position: relative; overflow: hidden; border-radius: 32px;
  border: 1px solid rgba(169,155,255,.35);
  background: linear-gradient(135deg, rgba(169,155,255,.22), var(--surface) 60%);
  display: grid; grid-template-columns: 1.1fr 1fr; align-items: stretch;
}
.pro-copy { padding: 48px; }
.pro-copy h2 { font-size: clamp(32px, 4vw, 46px); margin: 16px 0 14px; }
.pro-copy p { color: var(--text-2); margin: 0 0 24px; }
.perks { list-style: none; padding: 0; margin: 0 0 30px; display: grid; gap: 14px; }
.perks li { display: flex; gap: 14px; align-items: flex-start; }
.perks .icon { flex: none; width: 40px; height: 40px; border-radius: 12px; background: var(--surface-2); display: grid; place-items: center; }
.perks strong { display: block; }
.perks span { color: var(--text-2); font-size: 14px; }
.pro-art { background: url("assets/pro.webp") center / cover; min-height: 360px; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 20px 22px; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: "+"; color: var(--text-3); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--text-2); margin: 12px 0 0; }

/* CTA */
.cta { text-align: center; padding: 96px 0; }
.cta img { width: 96px; height: 96px; border-radius: 24px; margin: 0 auto 24px; box-shadow: 0 20px 60px rgba(125,216,255,.25); }
.cta h2 { font-size: clamp(34px, 5vw, 56px); margin-bottom: 14px; }
.cta p { color: var(--text-2); font-size: 18px; margin: 0 0 30px; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 36px 0 48px; color: var(--text-3); font-size: 14px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; align-items: center; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-links a { color: var(--text-2); }

/* Legal / support pages */
.doc { max-width: 760px; margin: 0 auto; padding: 56px 20px 80px; }
.doc h1 { font-size: clamp(36px, 5vw, 52px); margin: 16px 0 10px; }
.doc .updated { color: var(--text-3); margin: 0 0 36px; }
.doc h2 { font-size: 22px; margin: 40px 0 12px; }
.doc p, .doc li { color: var(--text-2); }
.doc ul { padding-left: 20px; }
.doc li { margin: 6px 0; }
.doc strong { color: var(--text); }
.doc .box { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 22px; margin: 18px 0; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .feature, .pro-card { grid-template-columns: 1fr; }
  .feature.flip .feature-media { order: 0; }
  .hero-art { max-width: 520px; margin: 0 auto; }
  .bento { grid-template-columns: 1fr 1fr; }
  .pro-copy { padding: 32px 24px; }
  .pro-art { min-height: 220px; }
  section { padding: 64px 0; }
  .feature { margin-bottom: 72px; gap: 32px; }
}
@media (max-width: 620px) {
  .nav-links a:not(.btn) { display: none; }
  .bento { grid-template-columns: 1fr; }
  .hero { padding-top: 32px; }
  .hero p.lead { font-size: 17px; }
}

/* Lab mosaic: six effects in two offset columns. */
.effect-mosaic { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; width: 100%; max-width: 520px; min-width: 0; }
.feature > *, .feature-media > * { min-width: 0; }
.effect-mosaic .col { display: grid; gap: 14px; }
.effect-mosaic .col:nth-child(2) { margin-top: 56px; }
.effect-mosaic figure { position: relative; margin: 0; border-radius: 22px; overflow: hidden; border: 1px solid var(--border); background: #131318; }
.effect-mosaic img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; transition: transform .6s ease; }
.effect-mosaic figure:hover img { transform: scale(1.04); }
.effect-mosaic figcaption {
  position: absolute; left: 10px; bottom: 10px; padding: 6px 11px; border-radius: 999px;
  font-size: 12px; font-weight: 600; color: #fff; letter-spacing: .01em;
  background: rgba(8, 8, 11, .55); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, .12);
}
@media (max-width: 720px) { .effect-mosaic .col:nth-child(2) { margin-top: 28px; } }