:root{--navy:#041424;--navy-2:#071f36;--panel:#0b2943;--line:rgba(91,211,255,.2);--aqua:#19d9ff;--blue:#1687ff;--silver:#eaf7ff;--muted:#a9c2d2;--gold:#e6b94a;--white:#f7fcff;--radius:24px;--shadow:0 24px 70px rgba(0,0,0,.3)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--navy);color:var(--white);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}a{color:inherit}img{display:block;max-width:100%;height:auto}.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:16px;z-index:99;padding:10px 16px;background:var(--aqua);color:var(--navy);font-weight:800;border-radius:10px;transform:translateY(-160%)}.skip-link:focus{transform:none}
.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(255,255,255,.08);background:rgba(4,20,36,.86);backdrop-filter:blur(18px)}.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{width:220px}.nav{display:flex;align-items:center;gap:28px}.nav a{text-decoration:none;color:#c7dbe7;font-weight:700;font-size:.92rem}.nav a:hover,.nav a:focus-visible{color:var(--aqua)}.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;padding:10px;cursor:pointer}.menu-toggle span:not(.sr-only){display:block;height:2px;background:var(--white);margin:5px 0;border-radius:2px}
.hero{position:relative;overflow:hidden;padding:68px 0 60px;background:radial-gradient(circle at 80% 35%,rgba(0,161,255,.18),transparent 29%),radial-gradient(circle at 10% 0,rgba(25,217,255,.08),transparent 26%),linear-gradient(180deg,#061a2e 0%,#041424 100%)}.hero::after{content:"";position:absolute;inset:auto 0 0;height:1px;background:linear-gradient(90deg,transparent,var(--aqua),transparent);opacity:.35}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.92fr);align-items:center;gap:46px}.eyebrow{margin:0 0 14px;color:var(--aqua);font-size:.78rem;font-weight:900;letter-spacing:.18em;text-transform:uppercase}.hero h1,.section h2{margin:0;letter-spacing:-.045em;line-height:1.05}.hero h1{max-width:690px;font-size:clamp(2.65rem,4.5vw,4.35rem)}.hero-lead{max-width:660px;margin:23px 0 0;color:#bfd2de;font-size:1.08rem}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:12px 22px;border:1px solid transparent;border-radius:14px;text-decoration:none;font-weight:900;transition:transform .2s ease,background .2s ease,border-color .2s ease}.button:hover{transform:translateY(-2px)}.button-primary{color:#001522;background:linear-gradient(135deg,var(--aqua),#76f2ff)}.button-secondary{border-color:rgba(255,255,255,.16);background:rgba(255,255,255,.05)}.button-secondary:hover{border-color:var(--aqua)}.age-note{display:flex;align-items:center;gap:10px;margin:24px 0 0;color:#8eabba;font-size:.88rem}.age-note strong{display:grid;place-items:center;width:42px;height:28px;border:1px solid rgba(230,185,74,.45);border-radius:20px;color:var(--gold)}
.hero-mark{position:relative;display:grid;place-items:center;min-height:430px}.hero-mark img{position:relative;z-index:2;width:min(100%,520px);filter:drop-shadow(0 28px 46px rgba(0,0,0,.48))}.mark-glow{position:absolute;width:82%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(25,217,255,.25),rgba(22,135,255,.05) 48%,transparent 70%);filter:blur(8px)}
.section{padding:96px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:38px}.section h2{font-size:clamp(2rem,4vw,3.5rem)}.section-heading>p{max-width:480px;margin:0;color:var(--muted)}.topic-section{background:#06182a}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-card{position:relative;min-height:290px;padding:28px;border:1px solid rgba(255,255,255,.09);border-radius:var(--radius);background:linear-gradient(145deg,rgba(255,255,255,.045),rgba(255,255,255,.015));overflow:hidden}.topic-card::before{content:"";position:absolute;inset:0 0 auto;height:2px;background:linear-gradient(90deg,var(--blue),var(--aqua));opacity:0;transition:opacity .2s}.topic-card:hover::before{opacity:1}.topic-card.featured{background:linear-gradient(145deg,rgba(22,135,255,.2),rgba(25,217,255,.05));border-color:rgba(25,217,255,.28)}.card-number{color:#52738a;font-weight:800;font-size:.8rem}.card-label{margin:42px 0 8px;color:var(--aqua);font-size:.75rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.topic-card h3{margin:0;font-size:1.35rem;line-height:1.25}.topic-card p:not(.card-label){margin:14px 0 0;color:var(--muted)}.topic-card a{display:inline-block;margin-top:18px;color:var(--aqua);font-weight:800;text-decoration:none}
.guide-section{background:linear-gradient(135deg,#071c30,#0a2945)}.guide-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}.section-copy{color:var(--muted);font-size:1.05rem}.guide-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.guide-list li{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:24px 4px;border-bottom:1px solid var(--line)}.guide-list li>span{color:var(--aqua);font-weight:900}.guide-list h3{margin:0;font-size:1.15rem}.guide-list p{margin:6px 0 0;color:var(--muted)}
.safety-section{background:#eaf7fb;color:#071a29}.safety-grid{display:grid;grid-template-columns:.65fr 1.35fr;gap:80px;align-items:center}.safety-section .eyebrow{color:#00759b}.safety-section p{color:#3f5c6a}.safety-badge{aspect-ratio:1;border-radius:50%;display:grid;place-items:center;align-content:center;gap:14px;background:radial-gradient(circle at 35% 30%,#19d9ff,#0873c6 65%,#061a33);box-shadow:0 30px 60px rgba(1,74,111,.25);text-align:center;color:white}.safety-badge span{display:grid;place-items:center;width:76px;height:76px;border:2px solid rgba(255,255,255,.65);border-radius:50%;font-size:2.4rem}.check-list{list-style:none;margin:26px 0 0;padding:0}.check-list li{position:relative;margin:12px 0;padding-left:30px;font-weight:700}.check-list li::before{content:"✓";position:absolute;left:0;color:#0089af}
.partner-section{padding-top:76px}.partner-card{display:flex;align-items:center;justify-content:space-between;gap:46px;padding:42px;border:1px solid rgba(230,185,74,.28);border-radius:28px;background:linear-gradient(120deg,rgba(230,185,74,.13),rgba(12,47,71,.66));box-shadow:var(--shadow)}.partner-card p:last-child{max-width:700px;margin:14px 0 0;color:var(--muted)}.button-gold{flex:0 0 auto;color:#201600;background:linear-gradient(135deg,#f5d875,var(--gold))}
.site-footer{padding:72px 0 24px;border-top:1px solid rgba(255,255,255,.08);background:#020d16}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:70px}.footer-grid img{width:230px}.footer-grid p,.footer-grid span{color:#89a5b5}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:8px}.footer-grid strong{margin-bottom:8px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);color:#668395;font-size:.82rem}
@media(max-width:900px){.nav{position:absolute;left:20px;right:20px;top:72px;display:none;flex-direction:column;align-items:stretch;gap:0;padding:12px;border:1px solid var(--line);border-radius:18px;background:#071e32;box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{padding:12px 14px}.menu-toggle{display:block}.hero-grid{grid-template-columns:1fr;gap:24px}.hero-mark{min-height:350px;max-width:540px;margin:auto}.topic-grid{grid-template-columns:repeat(2,1fr)}.guide-grid,.safety-grid{grid-template-columns:1fr;gap:46px}.safety-badge{width:min(330px,80%);margin:auto}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.partner-card{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.container{width:min(100% - 28px,1180px)}.header-inner{min-height:70px}.brand{width:184px}.hero{padding:52px 0 48px}.hero h1{font-size:clamp(2.25rem,11vw,3.15rem)}.hero-lead{font-size:1rem}.hero-actions{display:grid}.button{width:100%}.hero-mark{min-height:290px}.section{padding:70px 0}.section-heading{display:block}.section-heading>p{margin-top:16px}.topic-grid{grid-template-columns:1fr}.topic-card{min-height:auto}.guide-list li{grid-template-columns:40px 1fr}.partner-card{padding:28px}.footer-grid{grid-template-columns:1fr;gap:34px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.safety-grid{gap:34px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}