:root {
  --ground: #0B2B22;
  --ground-2: #0F362B;
  --lime: #E8C26A;
  --stone: #F1EEE4;
  --ink: #F1EEE4;
  --muted: #8FA79B;
  --line: rgba(241, 238, 228, 0.14);
  --display: 'Bricolage Grotesque', system-ui, sans-serif;
  --body: 'Hanken Grotesk', system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body { background: var(--ground); color: var(--ink); font: 400 18px/1.55 var(--body); -webkit-font-smoothing: antialiased; }
a { color: inherit; }

.top { display: flex; justify-content: space-between; align-items: center; padding: calc(20px + env(safe-area-inset-top)) clamp(20px, 5vw, 64px) 0; }
.mark { display: flex; align-items: center; gap: 12px; text-decoration: none; font: 500 17px var(--display); letter-spacing: .01em; }
.mark img { width: 46px; height: 49px; display: block; }
.top nav { display: flex; gap: 28px; align-items: center; }
.top nav a { text-decoration: none; color: var(--muted); font-size: 15px; transition: color .2s; }
.top nav a:hover { color: var(--ink); }
.top nav a.login { color: #1A1505; background: var(--lime); padding: 9px 16px; border-radius: 999px; font-weight: 500; }
.top nav a.login:hover { color: #1A1505; filter: brightness(1.08); }

main { padding: 0 clamp(20px, 5vw, 64px); }
section { max-width: 1240px; margin: 0 auto; }

/* hero */
.hero { min-height: calc(100vh - 80px); display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; padding: 48px 0 40px; }
.name { font: 500 clamp(72px, 12vw, 176px)/0.88 var(--display); letter-spacing: -0.045em; }
.tag { font: 300 clamp(28px, 3.6vw, 48px)/1.05 var(--display); letter-spacing: -0.02em; color: var(--lime); margin-top: 14px; }
.lede { max-width: 30em; color: #C8D6CE; font-size: clamp(18px, 1.6vw, 21px); margin-top: 28px; }
.status { display: flex; align-items: baseline; gap: 10px; margin-top: 30px; color: var(--muted); font-size: 15px; }
.live { flex: none; width: 8px; height: 8px; border-radius: 50%; transform: translateY(-1px); background: var(--lime); animation: breathe 2.4s ease-in-out infinite; }
@keyframes breathe { 50% { opacity: .35; } }

.twin { position: relative; margin: 0; }
.twin svg { width: 100%; height: auto; display: block; overflow: visible; }
.twin figcaption { position: absolute; left: 50%; bottom: 2%; transform: translateX(-50%); font-size: 14px; color: var(--muted); white-space: nowrap; transition: opacity .4s; }

/* sections */
h2 { font: 300 clamp(36px, 5vw, 64px)/1 var(--display); letter-spacing: -0.03em; max-width: 14em; }
.how, .care, .limits, .next { padding: clamp(80px, 12vw, 160px) 0 0; }

.layers { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr; gap: 0; margin-top: 56px; border-top: 1px solid var(--line); }
.layers li { padding: 32px 0; border-bottom: 1px solid var(--line); display: grid; gap: 10px; }
.layers h3 { font: 500 24px var(--display); letter-spacing: -0.01em; }
.layers p { color: #C8D6CE; max-width: 34em; }

.care { display: grid; grid-template-columns: 1fr; gap: 48px; align-items: center; }
.care-copy p { margin-top: 24px; color: #C8D6CE; max-width: 30em; }
.care-copy em { font-style: normal; color: var(--lime); }
.ask { background: var(--ground-2); border: 1px solid var(--line); border-radius: 22px; padding: 22px; max-width: 420px; width: 100%; justify-self: center; box-shadow: 0 40px 120px -40px rgba(0, 0, 0, .35); }
.ask-row { display: flex; align-items: center; gap: 12px; padding: 12px 4px; border-bottom: 1px solid var(--line); font-size: 16px; }
.ask-row small { color: var(--muted); margin-left: auto; font-size: 13px; }
.ask-row.sub { padding-left: 32px; color: #C8D6CE; }
.box { width: 18px; height: 18px; border-radius: 5px; border: 1.5px solid var(--muted); }
.box.on { background: var(--lime); border-color: var(--lime); }
.ask-foot { display: flex; justify-content: space-between; align-items: center; padding: 18px 4px 4px; color: var(--muted); font-size: 15px; }
.ask-foot b { background: var(--lime); color: #1A1505; font-weight: 500; padding: 10px 16px; border-radius: 12px; }

.limits ul { list-style: none; padding: 0; margin-top: 48px; display: grid; gap: 0; border-top: 1px solid var(--line); }
.limits li { padding: 26px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 18px; }
.limits li b { display: block; color: var(--ink); font: 500 clamp(22px, 2.4vw, 30px)/1.2 var(--display); letter-spacing: -0.015em; margin-bottom: 6px; }
.note { margin-top: 28px; color: var(--muted); max-width: 34em; }

.next p { margin-top: 24px; color: #C8D6CE; max-width: 32em; }
.next .invite { color: var(--lime); }

footer { max-width: 1240px; margin: clamp(100px, 14vw, 180px) auto 0; padding: 28px clamp(20px, 5vw, 64px) calc(28px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); display: flex; justify-content: space-between; color: var(--muted); font-size: 14px; }

@media (min-width: 960px) {
  .hero { grid-template-columns: 1.05fr 1fr; gap: 40px; }
  .layers { grid-template-columns: repeat(3, 1fr); border-top: 0; gap: 40px; }
  .layers li { border-top: 1px solid var(--line); border-bottom: 0; }
  .care { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .top nav a:not(.login) { display: none; }
  .hero { min-height: auto; padding-top: 32px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }