:root{color-scheme:dark;--navy:#050c1e;--panel:#0c1b40;--line:#1f376f;--cyan:#00d2ff;--gold:#f2af13;--red:#e61e25;--text:#d6deeb}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--navy);color:var(--text);font:16px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--cyan)}img{max-width:100%}.wrap{width:min(1120px,calc(100% - 2rem));margin:auto}.site-header{position:sticky;top:0;z-index:5;background:rgba(5,12,30,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:1rem}.logo{width:150px}.nav-links{display:flex;align-items:center;gap:1.25rem}.nav-links a{text-decoration:none;font-weight:700}.call{padding:.65rem 1rem;border:1px solid var(--cyan);border-radius:.65rem}.hero{padding:5.5rem 0 4rem;background:radial-gradient(circle at 75% 15%,rgba(0,210,255,.13),transparent 35%),linear-gradient(180deg,#0c1b40 0%,#050c1e 100%)}.eyebrow{color:var(--cyan);font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.hero h1{max-width:850px;margin:.7rem 0 1rem;color:#fff;font-size:clamp(2.3rem,6vw,4.8rem);line-height:1.05}.lede{max-width:760px;font-size:1.18rem}.actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.7rem}.button{display:inline-block;padding:.85rem 1.15rem;border-radius:.65rem;background:var(--red);color:#fff;text-decoration:none;font-weight:800}.button.secondary{background:transparent;border:1px solid var(--cyan);color:var(--cyan)}main section{padding:3.7rem 0}.grid{display:grid;grid-template-columns:2fr 1fr;gap:2rem}.card{padding:1.5rem;border:1px solid var(--line);border-radius:1rem;background:rgba(12,27,64,.58)}h2,h3{color:#fff;line-height:1.2}h2{font-size:clamp(1.65rem,3vw,2.35rem)}li+li{margin-top:.55rem}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.fact{padding:1.2rem;border-left:3px solid var(--cyan);background:var(--panel)}.faq details{padding:1rem 0;border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;color:#fff;font-weight:800}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.related a{padding:1.2rem;border:1px solid var(--line);border-radius:.8rem;text-decoration:none;font-weight:800;background:var(--panel)}footer{padding:2rem 0;border-top:1px solid var(--line);color:#9ca3af}.footer-row{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}.safety{border-left-color:var(--gold)}@media(max-width:760px){.nav-links a:not(.call){display:none}.grid,.facts,.related{grid-template-columns:1fr}.hero{padding-top:3.5rem}}