:root{--navy:#050921;--navy2:#0b1440;--blue:#0b61f8;--blue2:#3b82f6;--violet:#8b5cf6;--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--bg:#f6f8fc;--card:#fff;--green:#16a34a;--red:#dc2626;--amber:#d97706;--r:14px;--max:1160px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:#fff}
img,svg{max-width:100%;height:auto}a{color:var(--blue)}a:hover{text-decoration-thickness:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:8px 12px;z-index:99}.skip:focus{left:8px}
:focus-visible{outline:3px solid #facc15;outline-offset:2px}
/* header */
.site-header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:800;font-size:1.2rem;letter-spacing:-.01em}
.brand .ai{color:var(--blue2)}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
.nav ul a{color:#dbe4ff;text-decoration:none;padding:8px 10px;border-radius:8px;font-size:.95rem}
.nav ul a:hover,.nav ul a[aria-current]{color:#fff;background:rgba(255,255,255,.08)}
.menu-toggle{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:10px;font-weight:700;text-decoration:none;border:0;cursor:pointer;font-size:1rem;line-height:1.2}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#0a52d4}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.35)}.btn-ghost:hover{border-color:#fff}
.btn-sm{padding:9px 14px;font-size:.92rem}
.nav .btn{color:#fff}
@media (max-width:860px){.nav ul{display:none}.nav.open ul{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:64px;left:0;right:0;background:var(--navy);padding:12px 20px 20px}
.menu-toggle{display:inline-flex;background:none;border:1.5px solid rgba(255,255,255,.35);color:#fff;border-radius:8px;padding:8px 12px;font-size:.95rem}}
/* hero */
.hero{background:radial-gradient(1000px 500px at 85% 10%,rgba(139,92,246,.35),transparent 60%),radial-gradient(800px 500px at 10% 90%,rgba(11,97,248,.3),transparent 60%),var(--navy);color:#fff;padding:56px 0 64px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#e0e7ff;padding:6px 12px;border-radius:999px;font-size:.85rem;font-weight:600}
.pill .dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.2)}
.hero h1{font-size:clamp(2.1rem,5vw,3.6rem);line-height:1.08;letter-spacing:-.02em;margin:18px 0 14px;font-weight:850}
.grad{background:linear-gradient(90deg,#3b82f6,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{font-size:1.18rem;color:#cbd5e1;max-width:36em;margin:0 0 22px}
.hero .lede strong{color:#fff}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.ticks{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;padding:0;margin:0;color:#cbd5e1;font-size:.93rem}
.ticks li::before{content:"✓";color:#22c55e;font-weight:900;margin-right:6px}
.mock{background:linear-gradient(180deg,#0f1a4a,#0b1236);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:20px;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.mock-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.mock-label{font-size:.75rem;color:#a5b4fc;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.score{width:86px;height:86px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#22c55e 0 72%,rgba(255,255,255,.12) 72% 100%);font-weight:850;font-size:1.5rem}
.score span{background:#0d1640;width:68px;height:68px;border-radius:50%;display:grid;place-items:center}
.issue{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:10px 12px;margin-top:8px;font-size:.92rem;color:#e2e8f0}
.sev{font-size:.72rem;font-weight:800;padding:3px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em;flex:0 0 auto}
.sev.c{background:#fee2e2;color:#991b1b}.sev.m{background:#fef3c7;color:#92400e}.sev.l{background:#dbeafe;color:#1e40af}
.mock-note{font-size:.78rem;color:#94a3b8;margin:12px 0 0}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.hero{padding:40px 0 48px}}
/* sections */
section{padding:64px 0}.alt{background:var(--bg)}
.eyebrow{color:var(--blue);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;margin:0 0 8px}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);line-height:1.15;letter-spacing:-.015em;margin:0 0 12px}
.section-lede{color:var(--muted);font-size:1.08rem;max-width:44em;margin:0 0 32px}
.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.card h3{margin:10px 0 6px;font-size:1.08rem;line-height:1.3}.card p{margin:0;color:var(--muted);font-size:.96rem}
.icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:1.35rem;background:#eef3ff}
.step-n{width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800}
.who{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.who li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 16px;font-weight:600}
.dark{background:radial-gradient(800px 400px at 90% 0,rgba(139,92,246,.3),transparent 60%),var(--navy);color:#fff}
.dark .section-lede,.dark .card p{color:#cbd5e1}.dark .eyebrow{color:#93c5fd}
.dark .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.12);color:#fff}
.plan{display:flex;flex-direction:column}.plan .tag{font-size:.8rem;color:#93c5fd;font-weight:700}
.plan.pop{border:2px solid var(--blue);background:linear-gradient(180deg,rgba(11,97,248,.25),rgba(255,255,255,.04))}
.plan ul{padding-left:18px;margin:12px 0 16px;color:#e2e8f0;font-size:.94rem}.plan .soon{margin-top:auto;font-weight:800;color:#fff}
.never li{margin:6px 0}
.notice{background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12;border-radius:12px;padding:12px 16px;font-size:.92rem}
/* form */
.signup{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.signup .full{grid-column:1/-1}
label{font-weight:600;font-size:.95rem;display:block;margin-bottom:6px}
input[type=text],input[type=email],select{width:100%;padding:12px 14px;border:1.5px solid #cbd5e1;border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
.consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.93rem;color:var(--muted)}
.consent input{margin-top:4px;width:18px;height:18px;flex:0 0 auto}
.form-msg{display:none;margin-top:12px;background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;padding:12px 16px;border-radius:10px;font-weight:600}
.form-msg.show{display:block}
@media (max-width:620px){.signup{grid-template-columns:1fr}}
/* breadcrumbs & article */
.page-head{background:var(--navy);color:#fff;padding:36px 0 40px}
.page-head h1{font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.12;letter-spacing:-.02em;margin:10px 0 10px;max-width:22em}
.page-head p{color:#cbd5e1;max-width:44em;margin:0;font-size:1.08rem}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0;font-size:.88rem;color:#a5b4fc}
.crumbs a{color:#c7d2fe}.crumbs li+li::before{content:"›";margin-right:6px;color:#64748b}
.meta{font-size:.88rem;color:#a5b4fc;margin-top:12px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:40px 20px 64px}
@media (max-width:960px){.article-layout{grid-template-columns:1fr}}
.prose{max-width:46em;font-size:1.06rem}
.prose h2{font-size:1.55rem;margin:2em 0 .5em}.prose h3{font-size:1.2rem;margin:1.6em 0 .4em}
.prose li{margin:.3em 0}.prose blockquote{margin:1.2em 0;padding:12px 18px;border-left:4px solid var(--blue);background:#f1f5ff;border-radius:0 10px 10px 0}
.prose blockquote p{margin:.4em 0}
.prose table{border-collapse:collapse;width:100%;font-size:.95rem;margin:1.2em 0;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}.prose th{background:#f1f5f9}
.prose code{background:#f1f5f9;padding:1px 5px;border-radius:5px;font-size:.92em}
.prose li.task{list-style:none;margin-left:-1.4em}.prose li.task::before{content:"☐";margin-right:8px;color:var(--blue);font-weight:700}
.aside .card{position:sticky;top:84px}
.aside h2{font-size:1rem;margin:0 0 10px}.aside ul{padding-left:18px;margin:0;font-size:.94rem}.aside li{margin:6px 0}
.cta-box{margin-top:40px;background:linear-gradient(135deg,#0b1440,#1e1b4b);color:#fff;border-radius:18px;padding:28px}
.cta-box h2{margin-top:0;color:#fff;font-size:1.4rem}.cta-box p{color:#cbd5e1}
.faq details{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0;background:#fff}
.faq summary{font-weight:700;cursor:pointer}.faq details p{margin:.6em 0 0;color:var(--muted)}
.guide-card{display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}
.guide-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,23,42,.08)}
.guide-card .cat{font-size:.75rem;font-weight:800;color:var(--blue);text-transform:uppercase;letter-spacing:.06em}
.guide-card .more{margin-top:12px;font-weight:700;color:var(--blue);font-size:.92rem}
.disclaimer{font-size:.88rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:28px}
.draft-banner{background:#fef3c7;color:#78350f;border:1px solid #fcd34d;padding:12px 16px;border-radius:10px;font-weight:600;margin-bottom:20px}
/* footer */
.site-footer{background:#030616;color:#94a3b8;padding:48px 0 28px;font-size:.93rem}
.site-footer a{color:#cbd5e1;text-decoration:none}.site-footer a:hover{text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
.site-footer h2{font-size:.85rem;color:#fff;text-transform:uppercase;letter-spacing:.08em;margin:0 0 10px}
.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin:6px 0}
.closing{color:#e2e8f0;font-weight:700}
.legal-small{border-top:1px solid rgba(255,255,255,.08);margin-top:28px;padding-top:18px;font-size:.82rem}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.hero .fixline{color:#e2e8f0;font-size:1.02rem;margin:-6px 0 12px;max-width:36em}.hero .fixline strong{color:#4ade80}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0 0 22px}
.chips li{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.35);color:#dcfce7;padding:5px 11px;border-radius:999px;font-size:.85rem;font-weight:600}
.chips.svc{margin:-8px 0 20px}.chips.svc li{background:rgba(147,197,253,.10);border:1px solid rgba(167,139,250,.38);color:#e0e7ff}
.chips.svc li::before{content:"✓";color:#4ade80;font-weight:900;margin-right:5px}