:root{--ink:#172033;--muted:#5d6677;--paper:#fbfaf7;--card:#fff;--line:#dedbd2;--accent:#5b4bdb;--accent2:#e8e4ff;--gold:#c8922e;--night:#10152b;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}img,svg{max-width:100%;height:auto}.wrap{max-width:var(--max);margin:auto;padding:0 22px}
header{background:rgba(251,250,247,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px}.brand{font-weight:850;letter-spacing:-.03em;color:var(--ink);text-decoration:none;font-size:1.18rem}.brand span{color:var(--accent)}nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0;flex-wrap:wrap}nav a{color:var(--ink);text-decoration:none;font-weight:650;font-size:.93rem}
.hero{padding:72px 0 44px;background:radial-gradient(circle at 80% 10%,#ece9ff 0,transparent 38%),linear-gradient(180deg,#fff,#fbfaf7)}.eyebrow{color:var(--accent);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:.75rem}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}h1{font-size:clamp(2.5rem,6vw,5.2rem);line-height:1.02;letter-spacing:-.055em;margin:.18em 0}.lede{font-size:1.18rem;color:var(--muted);max-width:720px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-block;background:var(--accent);color:white;padding:12px 18px;border-radius:10px;text-decoration:none;font-weight:750}.btn.alt{background:white;color:var(--ink);border:1px solid var(--line)}
section{padding:55px 0}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:22px}.section-head h2,h2{font-size:clamp(1.8rem,3vw,2.6rem);letter-spacing:-.035em;line-height:1.15;margin:0 0 8px}.muted{color:var(--muted)}.grid{display:grid;gap:18px}.cards-3{grid-template-columns:repeat(3,1fr)}.cards-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 5px 22px rgba(23,32,51,.04)}.card h3{margin:.1em 0 .4em;line-height:1.2}.sign-card{text-decoration:none;color:var(--ink);transition:.18s transform,.18s box-shadow}.sign-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(23,32,51,.09)}.glyph{font-size:2.1rem;color:var(--accent)}.pill{display:inline-block;padding:4px 9px;border-radius:99px;background:var(--accent2);font-size:.78rem;font-weight:750;margin:3px 4px 3px 0}
.tool{background:var(--night);color:white;border-radius:22px;padding:30px}.tool input,.tool button{font:inherit;padding:12px;border-radius:9px;border:0}.tool button{background:#ded8ff;color:#16162d;font-weight:800;cursor:pointer}.result{font-size:1.2rem;font-weight:800;margin-top:16px;min-height:30px}
.article{max-width:840px;margin:auto}.article h1{font-size:clamp(2.4rem,5vw,4.2rem)}.article h2{margin-top:2em}.article h3{margin-top:1.6em}.meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:.9rem;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:28px}.quick{background:#f0edff;border-left:5px solid var(--accent);padding:18px 20px;border-radius:10px;margin:24px 0}.toc{background:white;border:1px solid var(--line);padding:20px;border-radius:14px}.toc a{display:block;margin:6px 0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;background:white}th,td{text-align:left;padding:12px;border:1px solid var(--line)}th{background:#f3f1ea}.breadcrumbs{font-size:.86rem;color:var(--muted);padding-top:20px}.breadcrumbs a{color:var(--muted)}
.visual{background:#11172e;border-radius:20px;padding:20px;color:white}.note{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}.faq details{background:white;border:1px solid var(--line);border-radius:12px;padding:14px 17px;margin:10px 0}.faq summary{font-weight:800;cursor:pointer}
footer{background:#11162a;color:#d9dcec;padding:44px 0;margin-top:50px}footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.small{font-size:.88rem}
.searchbox{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:10px;font:inherit}
@media(max-width:850px){.hero-grid,.cards-3,.cards-4,.footer-grid{grid-template-columns:1fr}.nav{align-items:flex-start;padding:14px 0;flex-direction:column}nav ul{gap:12px}.hero{padding-top:44px}h1{font-size:3rem}.section-head{align-items:start;flex-direction:column}}