:root{--bg:#fff;--fg:#14171c;--muted:#5b6370;--line:#e5e8ec;--card:#f6f7f9;--accent:#1f4fd8;--chip:#eef1f6}
@media (prefers-color-scheme:dark){:root{--bg:#0f1114;--fg:#e8eaee;--muted:#9aa2af;--line:#252a31;--card:#171a1f;--accent:#7da2ff;--chip:#1e232a}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}
a{color:var(--accent)}
.nav{position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--line);z-index:5}
.nav-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:14px;padding-bottom:14px;max-width:860px}
.brand{font-weight:600;color:var(--fg);text-decoration:none;white-space:nowrap}
nav{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}
nav a{color:var(--muted);text-decoration:none;font-size:15px}
nav a:hover{color:var(--fg)}
.hero{padding-top:96px;padding-bottom:48px}
h1{font-size:2.6rem;line-height:1.15;letter-spacing:-.02em;margin:0 0 20px}
.lead{font-size:1.2rem;color:var(--muted);margin:0 0 32px}
.buttons{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:11px 20px;border:1px solid var(--line);border-radius:8px;color:var(--fg);text-decoration:none;font-weight:500}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--bg)}
section.wrap{padding-top:56px;padding-bottom:8px}
h2{font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:0 0 18px}
h3{font-size:1.1rem;margin:0 0 6px}
h3.sub{margin-top:32px}
p{margin:0 0 16px}
.chips{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{background:var(--chip);border-radius:999px;padding:4px 14px;font-size:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:28px}
.card p{color:var(--muted)}
.role{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px 0;border-top:1px solid var(--line)}
.role .when{color:var(--muted);font-size:15px}
.role p{margin:4px 0 0;color:var(--muted)}
.foot{padding-top:64px;padding-bottom:48px;color:var(--muted);font-size:14px}
@media (max-width:600px){h1{font-size:2rem}.hero{padding-top:56px}.role{grid-template-columns:1fr;gap:2px}.nav-inner{flex-direction:column;align-items:flex-start;gap:6px}nav{justify-content:flex-start;gap:14px}}
.lines{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;color:var(--muted);opacity:.2}
@media (prefers-color-scheme:dark){.lines{opacity:.16}}
.nav{background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(6px)}
.intro{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding-top:48px;padding-bottom:48px}
.intro h1{font-size:3rem;margin-bottom:16px}
.doors{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
.door{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px 26px;color:var(--fg);text-decoration:none;transition:border-color .2s}
.door:hover,.door:focus-visible{border-color:var(--accent)}
.door:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.door strong{display:block;font-size:1.25rem;margin-bottom:4px}
.door span{color:var(--muted);font-size:15px}
.door em{display:block;margin-top:18px;font-style:normal;color:var(--accent);font-size:15px}
.page-head{padding-top:72px;padding-bottom:16px}
.page-head h1{font-size:2.2rem}
.quote{color:var(--muted);font-style:italic;margin:0 0 28px}
@media (max-width:600px){.doors{grid-template-columns:1fr}.intro h1{font-size:2.3rem}.page-head{padding-top:40px}}
@media (prefers-reduced-motion:reduce){.door{transition:none}html{scroll-behavior:auto}}
.tipjar{display:flex;flex-direction:column;align-items:center;text-align:center}
html{scroll-padding-top:70px}