.smart-hero{padding:48px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:45px;align-items:center}
.smart-hero h1{font-size:clamp(3.2rem,5.8vw,5.9rem);line-height:.9;letter-spacing:-.06em;margin:12px 0 20px}
.lead{font-size:1.17rem;line-height:1.65;color:#d8dde7}
.wtf{margin:20px 0;padding:15px 17px;border-left:3px solid var(--cyan);background:rgba(86,215,255,.055);border-radius:0 12px 12px 0;font-weight:850}
.phone{width:270px;margin:auto;background:#111;border:4px solid #3b3f45;border-radius:38px;padding:12px;box-shadow:0 30px 60px #0008}
.phone-top{height:16px;width:64px;border-radius:10px;background:#24272b;margin:4px auto 10px}
.home{background:linear-gradient(145deg,#1a3b68,#422b66);border-radius:24px;min-height:470px;padding:16px;position:relative;overflow:hidden}
.statusbar{display:flex;justify-content:space-between;font-size:11px;color:#fff;margin-bottom:18px}
.appgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px 11px}
.app{text-align:center;color:#fff;font:10px Arial;cursor:pointer}
.app .icon{width:47px;height:47px;margin:auto auto 5px;border-radius:12px;display:grid;place-items:center;font-size:25px;background:rgba(255,255,255,.22);box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.dock{position:absolute;left:12px;right:12px;bottom:12px;background:rgba(255,255,255,.15);border-radius:16px;padding:10px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.home-btn{width:52px;height:6px;border-radius:8px;background:#d7d7d7;margin:11px auto 3px}
.fact-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-top:28px}
.fact{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:17px}
.fact strong{display:block;color:var(--gold);font-size:1.2rem}.fact small{color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.era{background:var(--panel);border:1px solid var(--line);border-radius:21px;padding:20px}.era .year{color:var(--gold);font-weight:950;font-size:1.3rem}.era .icon{font-size:3rem;margin:12px 0}.era p{color:var(--muted)}
.lab-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:24px}
.app-stage{min-height:250px;border-radius:18px;background:#0e1420;border:1px solid var(--line);display:grid;place-items:center;text-align:center;padding:22px}
.app-stage .big{font-size:4rem}.app-stage h3{font-size:1.9rem;margin:8px 0}.app-stage p{color:var(--muted)}
.replace-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.replace{padding:13px;border:1px solid var(--line);border-radius:13px;background:#1c222c;color:#fff;cursor:pointer;text-align:center}
.replace.on{outline:2px solid var(--green);background:rgba(108,255,155,.08)}
.replace-score{font-size:clamp(2.8rem,6vw,4.8rem);font-weight:950;color:var(--gold);line-height:1;margin-top:18px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px}.compare>div{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px}
.quiz-options{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.choice{padding:14px;border:1px solid var(--line);border-radius:12px;background:#202631;color:#fff;font-weight:900;cursor:pointer}.choice.good{outline:2px solid var(--green)}.choice.bad{outline:2px solid #ff6969}.quiz-result{min-height:44px;margin-top:14px;font-weight:850}
.adbox{border:1px solid rgba(255,190,70,.42);border-radius:25px;padding:28px;background:linear-gradient(135deg,rgba(255,138,36,.13),rgba(49,204,255,.08),var(--panel))}
.adlabel{display:inline-block;font-size:.68rem;letter-spacing:.14em;font-weight:900;border:1px solid #717784;border-radius:99px;padding:5px 9px;color:#b8bec9}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:16px 18px;margin:9px 0}.faq summary{font-weight:900;cursor:pointer}
.sources{color:var(--muted);border-top:1px solid var(--line);padding-top:20px}.sources a{color:#a9e8ff}
.next-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.next-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:19px;text-decoration:none}.next-card strong{display:block;margin:5px 0}.next-card small{color:var(--muted)}
@media(max-width:820px){
 .hero-grid,.lab-grid,.compare{grid-template-columns:1fr}
 .timeline{grid-template-columns:1fr 1fr}
 .fact-strip{grid-template-columns:1fr 1fr}
 .smart-hero h1{font-size:clamp(3rem,14vw,5rem)}
 .phone{width:235px}.replace-grid,.quiz-options,.next-cards{grid-template-columns:1fr}
}