:root{--navy:#071b33;--navy2:#0b294b;--ink:#10243a;--cyan:#18c9db;--yellow:#ffc400;--paper:#f5f8fa;--white:#fff;--muted:#617186;--line:#d9e2e8;--green:#17a66a;--shadow:0 24px 70px rgba(7,27,51,.16)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,system-ui,sans-serif;font-size:16px;line-height:1.6}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.site-header{position:sticky;z-index:50;top:0;background:rgba(7,27,51,.95);color:#fff;border-bottom:1px solid rgba(255,255,255,.12);backdrop-filter:blur(14px)}.nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:11px;font-family:"Barlow Condensed",sans-serif;font-weight:900;font-size:1.55rem;letter-spacing:.03em}.brand-mark{width:35px;height:35px;border-radius:8px;background:linear-gradient(135deg,var(--cyan) 0 50%,var(--yellow) 50%);box-shadow:inset 0 0 0 4px var(--navy2)}.brand small{font-family:Inter,sans-serif;font-size:.66rem;color:#9bb1c5;display:block;line-height:1;letter-spacing:.14em}.nav-links{display:flex;align-items:center;gap:26px;font-weight:600;font-size:.9rem}.nav-links a:hover{color:var(--yellow)}.nav-cta{padding:11px 17px;background:var(--yellow);color:var(--navy);border-radius:7px;font-weight:800}.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:92px 0 84px}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 0 54%,rgba(24,201,219,.10) 54% 68%,transparent 68%),repeating-linear-gradient(135deg,transparent 0 40px,rgba(255,255,255,.022) 40px 42px)}.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:10px;margin-bottom:20px;color:var(--cyan);font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.eyebrow:before{content:"";width:28px;height:3px;background:var(--yellow)}h1,h2,h3{font-family:"Barlow Condensed",sans-serif;line-height:.98;margin:0}h1{max-width:760px;font-size:clamp(3.5rem,7vw,6.9rem);font-weight:900;letter-spacing:-.03em;text-transform:uppercase}h1 span{color:var(--yellow)}.hero-copy p{max-width:650px;margin:25px 0 30px;color:#c5d4e2;font-size:1.13rem}.hero-actions,.cta-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px}.btn{display:inline-flex;min-height:50px;align-items:center;justify-content:center;gap:10px;border:0;border-radius:7px;padding:0 22px;background:var(--yellow);color:var(--navy);font-weight:800;cursor:pointer;transition:.2s transform,.2s box-shadow}.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px 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1.2fr;gap:70px;align-items:start}.sticky-intro{position:sticky;top:110px}.sticky-intro h2{font-size:clamp(2.7rem,5vw,4rem);text-transform:uppercase}.sticky-intro p{color:var(--muted)}.feature-list{display:grid;gap:14px}.feature{padding:22px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--cyan);border-radius:8px}.feature h3{font-family:Inter;font-size:1rem;line-height:1.25}.feature p{margin:7px 0 0;color:var(--muted);font-size:.9rem}.samples{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.sample{margin:0;background:#fff;border-radius:9px;overflow:hidden;border:1px solid var(--line);box-shadow:0 10px 25px rgba(7,27,51,.08)}.sample img{aspect-ratio:16/9;object-fit:cover}.sample figcaption{padding:13px 15px;font-size:.8rem;color:var(--muted)}.chapters{display:flex;flex-wrap:wrap;gap:10px}.chapter{padding:9px 12px;background:#fff;border:1px solid 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