:root{--bg:#08131f;--panel:#102131;--panel2:#152b3f;--text:#f4f7fa;--muted:#a9b7c6;--red:#e23b3b;--coral:#ff6b5e;--cyan:#27c5d9;--green:#4ed49a;--amber:#ffc857;--line:#274158;--shadow:0 20px 60px #0005;--radius:24px;--max:1180px}
*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:radial-gradient(circle at 80% 0,#12334b 0,transparent 30%),var(--bg);color:var(--text);font-family:Aptos,"Segoe UI",Arial,sans-serif;line-height:1.5}a{color:inherit}.skip{position:fixed;left:1rem;top:-5rem;z-index:99;background:#fff;color:#000;padding:.7rem 1rem;border-radius:8px}.skip:focus{top:1rem}.topbar{position:sticky;top:0;z-index:30;display:flex;justify-content:space-between;align-items:center;padding:.8rem max(1rem,calc((100vw - var(--max))/2));background:#08131fe8;backdrop-filter:blur(16px);border-bottom:1px solid #ffffff14}.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--red);font-size:1.4rem}.brand b,.brand small{display:block;line-height:1}.brand small{margin-top:.25rem;color:var(--muted);font-size:.63rem;letter-spacing:.13em}.top-actions{display:flex;gap:.55rem;align-items:center}.ghost,.secondary,.primary,.call{border:1px solid var(--line);border-radius:999px;padding:.72rem 1rem;background:transparent;color:var(--text);font:inherit;font-weight:700;text-decoration:none;cursor:pointer}.primary,.call{background:var(--red);border-color:var(--red)}.secondary{background:#ffffff10}.compact{padding:.7rem 1rem}.page-section{max-width:var(--max);margin:0 auto;padding:clamp(3.5rem,7vw,7rem) 1.25rem}.hero{min-height:calc(100vh - 70px);display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,6vw,6rem);align-content:center;position:relative}.eyebrow{color:var(--cyan);font-size:.78rem;font-weight:800;letter-spacing:.16em}.hero h1,.section-heading h2,.handoff h2{margin:.5rem 0 1rem;font-size:clamp(2.8rem,7vw,6.8rem);line-height:.93;letter-spacing:-.055em}.hero h1 em{color:var(--coral);font-style:normal}.lede{max-width:680px;color:#d5dee6;font-size:clamp(1.05rem,2vw,1.35rem)}.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}.memory{display:grid;gap:.8rem}.memory>div{display:grid;grid-template-columns:50px 1fr;gap:.05rem 1rem;align-items:center;padding:1.1rem;border:1px solid var(--line);border-radius:18px;background:linear-gradient(135deg,#fff08,#fff02)}.memory span{grid-row:1/3;color:var(--coral);font-size:1.6rem;font-weight:900}.memory b{font-size:1.15rem}.memory small{color:var(--muted)}.emergency-note{grid-column:1/-1;border-left:4px solid var(--amber);background:#ffc85712;padding:1rem 1.2rem;border-radius:4px 14px 14px 4px;color:#f8e8be}.module-nav{position:sticky;top:69px;z-index:20;display:flex;gap:.5rem;overflow:auto;padding:.75rem max(1rem,calc((100vw - var(--max))/2));background:#0b1926eb;backdrop-filter:blur(10px);border-block:1px solid #ffffff10}.module-nav a{white-space:nowrap;text-decoration:none;padding:.55rem .8rem;border-radius:999px;color:var(--muted);font-weight:700}.module-nav a:hover,.module-nav a:focus{background:#ffffff10;color:var(--text)}.module{border-bottom:1px solid #ffffff0f}.section-heading{display:grid;grid-template-columns:1fr minmax(260px,520px);gap:1rem 3rem;align-items:end}.section-heading .eyebrow{grid-column:1/-1;margin:0}.section-heading h2{font-size:clamp(2.4rem,5vw,5rem)}.section-heading>p:last-child{color:var(--muted);font-size:1.15rem}.step-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem;margin-top:2.5rem}.step{position:relative;min-height:230px;padding:1.35rem;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,#173149,#0d1d2b);box-shadow:var(--shadow)}.step-label{display:inline-grid;place-items:center;min-width:46px;height:46px;padding:0 .7rem;border-radius:13px;background:var(--accent,var(--coral));color:#07131e;font-weight:950}.step h3{font-size:1.35rem;margin:1rem 0 .5rem}.step p{color:#c5d1dc}.metric{display:block;color:var(--accent,var(--coral));font-weight:900;margin-top:1rem}.cautions{margin:2rem 0 0;padding:1.2rem 1.2rem 1.2rem 2.4rem;background:#ffffff08;border-radius:18px}.practice-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.pulse-panel,.quality-list{display:grid;place-items:center;padding:2rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.pulse{width:min(62vw,280px);aspect-ratio:1;border-radius:50%;border:12px solid #ffffff18;background:var(--coral);color:#07131e;box-shadow:0 0 0 0 #ff6b5e66;cursor:pointer}.pulse.running{animation:beat var(--beat,.545s) infinite}.pulse span{display:block;font-size:5rem;font-weight:950;line-height:1}.pulse small{font-weight:800}.practice-controls{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;margin-top:1.2rem}.practice-controls label{display:grid;color:var(--muted)}.quality-list{display:block}.quality-list li{margin:.8rem 0}.quiz-list{display:grid;gap:1rem}.quiz-card{padding:1.4rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.quiz-card h3{font-size:1.35rem}.choices{display:grid;gap:.7rem}.choice{padding:1rem;text-align:left;border:1px solid var(--line);border-radius:14px;background:#ffffff06;color:var(--text);font:inherit;cursor:pointer}.choice:hover,.choice:focus{border-color:var(--cyan)}.choice.correct{border-color:var(--green);background:#4ed49a18}.choice.wrong{border-color:var(--red);background:#e23b3b18}.reasoning{padding:1rem;margin-top:1rem;border-left:4px solid var(--cyan);background:#27c5d912}.handoff{display:grid;grid-template-columns:1fr auto;align-items:center;gap:3rem}.handoff h2{font-size:clamp(2.5rem,5vw,5.3rem)}.qr{width:280px;aspect-ratio:1;padding:16px;background:#fff;border-radius:24px}.qr img,.qr svg{width:100%;height:100%}.url{word-break:break-all;color:var(--cyan)}.sources{color:var(--muted)}.sources a{display:block;padding:.8rem 0;color:var(--text)}footer{display:flex;justify-content:space-between;gap:1rem;padding:2rem max(1rem,calc((100vw - var(--max))/2));border-top:1px solid var(--line);color:var(--muted)}.noscript{position:fixed;bottom:0;inset-inline:0;padding:1rem;background:var(--amber);color:#000}.present-controls{position:fixed;z-index:60;bottom:1rem;left:50%;transform:translateX(-50%);display:flex;gap:.5rem;align-items:center;padding:.5rem;background:#06101acc;border:1px solid var(--line);border-radius:999px;backdrop-filter:blur(12px)}.present-controls button{border:0;border-radius:999px;padding:.6rem .9rem;background:#ffffff12;color:#fff;cursor:pointer}
@keyframes beat{50%{transform:scale(.94);box-shadow:0 0 0 26px #ff6b5e00}0%{box-shadow:0 0 0 0 #ff6b5e66}}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
body.present{overflow:hidden}body.present .topbar,body.present .module-nav,body.present footer{display:none}body.present main{height:100vh}body.present .present-slide{display:none;max-width:none;height:100vh;overflow:auto;padding:5vh 6vw}body.present .present-slide.active{display:grid}body.present .hero{grid-template-columns:1.1fr .9fr;min-height:100vh}body.present .module .section-heading{align-self:end}body.present .module .step-grid{align-self:start}body.present .step{min-height:210px}body.present .hero h1{font-size:6.6vw}body.present .emergency-note{align-self:start}
@media(max-width:760px){html{scroll-padding-top:68px}.topbar{padding:.65rem 1rem}.top-actions .ghost{display:none}.compact{font-size:.85rem}.hero{grid-template-columns:1fr;min-height:auto;padding-top:3rem}.hero h1{font-size:clamp(3rem,15vw,5rem)}.module-nav{top:64px}.section-heading{grid-template-columns:1fr}.step-grid{grid-template-columns:1fr}.step{min-height:auto}.practice-grid,.handoff{grid-template-columns:1fr}.qr{width:min(78vw,320px);justify-self:center}footer{display:grid}.page-section{padding-block:4rem}.call{box-shadow:0 8px 25px #e23b3b55}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.pulse.running{animation:none}}