:root{color-scheme:light;--bg: #f8fafc;--ink: #102033;--muted: #526176;--line: #d8e0ea;--blue: #0b5fff;--red: #d42128;--card: #ffffff;--soft: #eef4ff;--max: 1120px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.6}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}input,button{font:inherit}.container{max-width:var(--max);margin:0 auto;padding:0 1.25rem}.header{border-bottom:1px solid var(--line);background:#ffffffeb;position:sticky;top:0;backdrop-filter:blur(10px);z-index:10}.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:1rem}.brand{font-weight:850;color:var(--ink);letter-spacing:-.03em;font-size:1.15rem}.brand span{color:var(--red)}.navlinks{display:flex;gap:1rem;flex-wrap:wrap;font-size:.95rem}.navlinks a{color:var(--muted);font-weight:650}.hero{padding:5rem 0 4rem;background:radial-gradient(circle at 20% 20%,#e7f0ff,transparent 35%),radial-gradient(circle at 80% 0%,#ffe8e9,transparent 30%)}.hero.compact{padding:3.5rem 0 3rem}.eyebrow,.kicker{color:var(--red);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem}h1{font-size:clamp(2.35rem,6vw,4.7rem);line-height:.99;letter-spacing:-.06em;margin:1rem 0;max-width:980px}h2{font-size:clamp(1.55rem,3.5vw,2.55rem);line-height:1.08;letter-spacing:-.04em;margin:0 0 1rem}h3{line-height:1.2;margin-top:0}.lede{font-size:clamp(1.08rem,2vw,1.32rem);color:var(--muted);max-width:820px}.ctas{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:2rem}.button{display:inline-flex;align-items:center;justify-content:center;padding:.85rem 1.1rem;border-radius:999px;border:1px solid var(--line);font-weight:800;background:#fff;cursor:pointer}.button.primary{background:var(--ink);color:#fff;border-color:var(--ink)}.section{padding:4rem 0}.section.alt{background:#fff;border-block:1px solid var(--line)}.grid{display:grid;gap:1rem}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card,.content-card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:1.4rem;box-shadow:0 10px 30px #1020330a}.card p,.content-card p{color:var(--muted)}.link-card{display:block;color:var(--ink)}.link-card:hover{text-decoration:none;transform:translateY(-2px);transition:transform .15s ease}.two-column{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:1.5rem;align-items:start}.sidebar{min-width:0}.sticky-card{position:sticky;top:96px}.article-section{margin-top:2rem}.checklist{padding-left:0;list-style:none;display:grid;gap:.85rem}.checklist li{padding-left:2rem;position:relative;color:var(--muted)}.checklist li:before{content:"✓";position:absolute;left:0;top:0;color:var(--red);font-weight:900}.signup-form{display:grid;gap:.9rem;margin:1rem 0}.signup-form label{display:grid;gap:.35rem;font-weight:750;color:var(--ink)}.signup-form input{width:100%;border:1px solid var(--line);border-radius:14px;padding:.85rem 1rem;background:#fff;color:var(--ink)}.small{font-size:.88rem;color:var(--muted)}.notice{border-left:4px solid var(--red);background:#fff;padding:1rem 1.25rem;border-radius:16px;color:var(--muted)}.footer{border-top:1px solid var(--line);padding:2rem 0;color:var(--muted)}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.code-block{background:#f1f5f9;border:1px solid var(--line);border-radius:12px;padding:1rem 1.25rem;margin:1rem 0;overflow-x:auto}.code-block pre{margin:0;font-family:SF Mono,Fira Code,Cascadia Code,ui-monospace,monospace;font-size:.9rem;line-height:1.5}.code-block code,.code-block pre code{color:#0f172a;background:none;padding:0;font-size:inherit}:not(pre)>code{background:#f1f5f9;padding:.15em .4em;border-radius:5px;font-size:.92em;font-family:SF Mono,Fira Code,Cascadia Code,ui-monospace,monospace}@media(max-width:900px){.grid.three,.grid.four,.two-column,.footer-grid{grid-template-columns:1fr}.nav{align-items:flex-start;flex-direction:column;padding:1rem 0}.sticky-card{position:static}}