:root {
  --bg: #F7F3F0;
  --surface: #FFFFFF;
  --text: #0C0B12;
  --dim: #55505E;
  --stroke: #E6DFDA;
  --fill: #FF4F7B;
  --on-fill: #0C0B12;
  --accent: #B0204A;
  --btn: #0C0B12;
  --on-btn: #F7F3F0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0C0B12;
    --surface: #17151F;
    --text: #F2EEF3;
    --dim: #A8A2B3;
    --stroke: #2A2735;
    --fill: #FF4F7B;
    --on-fill: #0C0B12;
    --accent: #FF4F7B;
    --btn: #FF4F7B;
    --on-btn: #0C0B12;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 17px/1.6 "Bricolage Grotesque", system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.mono { font-family: "DM Mono", ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; font-variant-numeric: tabular-nums; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
header.top { display: flex; align-items: center; gap: 10px; padding: 22px 0; }
header.top img { width: 32px; height: 32px; border-radius: 9px; }
header.top b { font-weight: 800; letter-spacing: -.01em; font-size: 19px; }
header.top nav { margin-left: auto; display: flex; gap: 18px; font-size: 15px; }
header.top nav a { color: var(--dim); }
.hero { padding: 40px 0 26px; display: grid; gap: 34px; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 760px) { .hero { grid-template-columns: 1.25fr .75fr; } }
.hero .mono { color: var(--dim); }
.hero h1 { font-weight: 800; font-size: clamp(40px, 8vw, 66px); line-height: 1.0; letter-spacing: -.035em; margin: 14px 0 20px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { color: var(--dim); font-size: 19px; max-width: 32em; margin: 0 0 28px; }
.btn { display: inline-flex; align-items: center; gap: 10px; background: var(--btn); color: var(--on-btn); padding: 15px 26px; border-radius: 999px; font-weight: 700; }
.btn:hover { text-decoration: none; opacity: .92; }
.note { color: var(--dim); font-size: 14px; margin-top: 14px; }
/* animated sample card */
.phone { justify-self: center; width: min(250px, 70vw); aspect-ratio: 9 / 16; border-radius: 26px; background: #0C0B12; border: 1px solid #2A2735; position: relative; overflow: hidden; color: #F2EEF3; box-shadow: 0 24px 60px -30px rgba(12,11,18,.55); }
.phone .glow { position: absolute; inset: -30%; background: radial-gradient(circle at 35% 30%, #FF4F7B 0, transparent 45%), radial-gradient(circle at 70% 65%, #5B3BD1 0, transparent 50%); filter: blur(30px); opacity: .55; }
.phone .disc { position: absolute; left: 50%; top: 22%; width: 62%; aspect-ratio: 1; transform: translateX(-50%); border-radius: 50%; background: repeating-radial-gradient(circle, #17151F 0 3px, #221F2C 3px 5px); animation: spin 1.8s linear infinite; }
.phone .disc::after { content: ""; position: absolute; inset: 33%; border-radius: 50%; background: linear-gradient(135deg, #FF4F7B, #FF9A5C); }
.phone .meta { position: absolute; left: 16px; right: 16px; top: 66%; }
.phone .meta b { display: block; font-size: 17px; font-weight: 800; line-height: 1.15; }
.phone .meta span { font-size: 13px; color: #A8A2B3; }
.phone .bars { position: absolute; left: 16px; right: 16px; bottom: 34px; height: 46px; display: flex; align-items: flex-end; gap: 3px; }
.phone .bars i { flex: 1; background: #FF4F7B; border-radius: 2px; height: 30%; animation: beat 0.9s ease-in-out infinite alternate; }
.phone .time { position: absolute; left: 16px; right: 16px; bottom: 12px; display: flex; justify-content: space-between; font: 400 11px "DM Mono", monospace; color: #A8A2B3; }
@keyframes spin { to { transform: translateX(-50%) rotate(360deg); } }
@keyframes beat { from { height: 18%; } to { height: 100%; } }
@media (prefers-reduced-motion: reduce) { .phone .disc, .phone .bars i { animation: none; } .phone .bars i { height: 55%; } }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin: 34px 0; }
.card { background: var(--surface); border: 1px solid var(--stroke); border-radius: 16px; padding: 20px; }
.card .mono { color: var(--accent); font-size: 11px; }
.card h3 { font-weight: 700; font-size: 19px; margin: 8px 0 6px; letter-spacing: -.015em; }
.card p { color: var(--dim); margin: 0; font-size: 15px; }
h2 { font-weight: 800; font-size: 30px; letter-spacing: -.025em; margin: 56px 0 14px; }
ul.list { padding-left: 1.1em; }
ul.list li { margin: 6px 0; }
ul.list li::marker { color: var(--fill); }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin: 10px 0 0; padding: 0; list-style: none; counter-reset: s; }
.steps li { counter-increment: s; border-top: 2px solid var(--fill); padding-top: 12px; }
.steps li::before { content: "0" counter(s); display: block; font: 400 12px "DM Mono", monospace; color: var(--dim); margin-bottom: 4px; }
.doc h1 { font-weight: 800; font-size: 42px; letter-spacing: -.03em; margin: 30px 0 6px; }
.doc h2 { font-size: 21px; font-weight: 700; margin: 34px 0 8px; letter-spacing: -.01em; }
.doc .meta { color: var(--dim); font-size: 15px; }
footer { border-top: 1px solid var(--stroke); margin-top: 70px; padding: 26px 0 40px; color: var(--dim); font-size: 14px; display: flex; flex-wrap: wrap; gap: 18px; }
footer a { color: var(--dim); }