:root{--bg-body: #ffffff;--bg-card: #ffffff;--bg-card-alt: #fafafa;--bg-hover: #f4f4f5;--bg-subtle: rgba(0,0,0,.02);--bg-hero: #fefbf6;--border: #e4e4e7;--border-strong: #d4d4d8;--text-primary: #1f2937;--text-heading: #111827;--text-secondary: #6b7280;--text-muted: #9ca3af;--accent: #d97706;--accent-hover: #b45309;--accent-light: #92400e;--accent-bg: rgba(217,119,6,.08);--accent-cyan: #0891b2;--sev-critical: #dc2626;--sev-critical-bg: rgba(220,38,38,.08);--sev-high: #ea580c;--sev-high-bg: rgba(234,88,12,.08);--sev-medium: #ca8a04;--sev-medium-bg: rgba(202,138,4,.08);--sev-low: #2563eb;--sev-low-bg: rgba(37,99,235,.08);--sev-pass: #16a34a;--sev-pass-bg: rgba(22,163,74,.08);--grade-a: #16a34a;--grade-b: #65a30d;--grade-c: #ca8a04;--grade-d: #ea580c;--grade-f: #dc2626}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-body);color:var(--text-primary);min-height:100vh;line-height:1.6}a{color:var(--accent-light);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.container{max-width:1080px;margin:0 auto;padding:0 24px}html{scroll-behavior:smooth;scrollbar-gutter:stable}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:8px;font-size:15px;font-weight:600;border:none;cursor:pointer;text-decoration:none;transition:all .15s}.btn:hover{transform:scale(1.02)}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);text-decoration:none}.btn-ghost{background:transparent;color:var(--text-primary);border:1px solid var(--border-strong)}.btn-ghost:hover{background:var(--bg-hover);text-decoration:none}.btn-lg{padding:16px 32px;font-size:17px}.card{background:var(--bg-card);border-radius:12px;padding:32px;border:2px solid var(--accent);transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-4px);box-shadow:0 12px 32px #00000014}.section{padding:80px 0}.section-alt{background:var(--bg-card-alt)}.section-title{font-size:32px;font-weight:700;color:var(--text-heading);margin-bottom:16px;line-height:1.2}.section-subtitle{font-size:18px;color:var(--text-secondary);max-width:640px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}.reveal.visible{opacity:1;transform:translateY(0)}@media(max-width:768px){.grid-3,.grid-2{grid-template-columns:1fr}.section{padding:48px 0}.section-title{font-size:26px}}.site-nav{border-bottom:1px solid var(--border);padding:16px 0;position:sticky;top:0;background:#fffffff2;backdrop-filter:blur(8px);z-index:100}.nav-inner{display:flex;justify-content:space-between;align-items:center;position:relative}.nav-links{display:flex;align-items:center;gap:32px}.nav-links a{color:var(--text-secondary);font-size:15px;font-weight:500}.nav-links a.btn-primary{color:#fff}.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}.nav-toggle-bar{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:transform .2s,opacity .2s}.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(2){opacity:0}.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:48px}@media(max-width:768px){.nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:16px 24px;flex-direction:column;gap:16px}.nav-links.open,.nav-toggle{display:flex}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.card,.btn{transition:none}.btn:hover,.btn:active{transform:none}.card:hover{transform:none;box-shadow:none}}