:root { color-scheme: light dark; --ink:#102226; --muted:#5d6e72; --mint:#2fc7ad; --coral:#ff7773; --paper:#f5fbfa; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; background:linear-gradient(145deg,#e9fbf7 0%,#f4f7ff 48%,#fff5f4 100%); color:var(--ink); font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif; }
a { color:inherit; }
nav { position:sticky; top:0; z-index:10; display:flex; align-items:center; justify-content:space-between; max-width:1120px; margin:auto; padding:18px 28px; background:rgb(245 251 250 / 86%); border-bottom:1px solid rgb(16 34 38 / 8%); backdrop-filter:blur(18px); }
nav div { display:flex; gap:22px; }
nav a { text-decoration:none; font-weight:650; }
.brand { display:flex; align-items:center; }
.brand img { display:block; width:44px; height:44px; border-radius:11px; box-shadow:0 5px 16px rgb(16 34 38 / 18%); }
.mark { display:inline-grid; place-items:center; flex:0 0 auto; width:34px; height:34px; border-radius:50%; background:var(--mint); color:white; font-size:1.2rem; }
.hero,.section,footer { width:min(1040px,calc(100% - 40px)); margin-inline:auto; }
.hero { padding:112px 0 88px; }
.eyebrow { margin:0 0 16px; color:#158d7a; font-weight:750; letter-spacing:.08em; text-transform:uppercase; font-size:.78rem; }
h1 { max-width:880px; margin:0; font-size:clamp(3rem,8vw,6.8rem); line-height:.94; letter-spacing:-.065em; }
.lede { max-width:720px; margin:32px 0; color:var(--muted); font-size:clamp(1.15rem,2.5vw,1.55rem); line-height:1.55; }
.chips { display:flex; flex-wrap:wrap; gap:10px; }
.chips span { padding:10px 14px; border:1px solid rgb(16 34 38 / 10%); border-radius:999px; background:rgb(255 255 255 / 70%); font-weight:650; }
.section { margin-bottom:36px; padding:clamp(28px,6vw,70px); border:1px solid rgb(16 34 38 / 9%); border-radius:38px; background:rgb(255 255 255 / 82%); box-shadow:0 26px 80px rgb(16 34 38 / 8%); }
h2 { max-width:760px; margin:0 0 28px; font-size:clamp(2.2rem,5vw,4.2rem); line-height:1; letter-spacing:-.045em; }
h3 { margin:30px 0 8px; font-size:1.18rem; }
p,li { color:var(--muted); line-height:1.72; }
.grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; }
article { padding:24px; border-radius:24px; background:var(--paper); }
article h3 { margin-top:0; }
.notice { margin-top:18px; padding:24px; border-left:5px solid var(--coral); border-radius:18px; background:#fff4f3; }
.notice p { margin-bottom:0; }
.updated { font-size:.9rem; }
.privacy h3 { padding-top:8px; }
.privacy ul { padding-left:22px; }
footer { display:flex; gap:14px; align-items:flex-start; padding:40px 0 70px; }
footer p { margin:0; font-size:.9rem; }
@media (prefers-color-scheme:dark) {
  :root { --ink:#f7fbfb; --muted:#b8c5c7; --paper:#102125; }
  body { background:linear-gradient(145deg,#061719,#0b101e 52%,#201314); }
  nav { background:rgb(6 23 25 / 84%); }
  .section { background:rgb(15 25 31 / 88%); }
  article { background:#112529; }
  .notice { background:#2b1a1b; }
  .chips span { background:rgb(255 255 255 / 5%); }
}
@media (max-width:680px) {
  nav { padding:16px 20px; }
  .hero { padding:78px 0 62px; }
  .grid { grid-template-columns:1fr; }
  .section { border-radius:28px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }