@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#172536;--muted:#657487;--navy:#101d2b;--blue:#2463a5;--cyan:#48b7c6;--line:#e2e8ee;--paper:#f5f7f9;--white:#fff;--shadow:0 18px 50px rgba(20,42,64,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,Arial,sans-serif;font-size:15px;line-height:1.7}.site-header{height:auto;min-height:76px;padding:0 max(5vw,24px);display:flex;align-items:center;justify-content:space-between;gap:30px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;flex-shrink:0}.brand-mark{width:42px;height:42px;display:grid;place-items:center;background:var(--navy);color:white;font-size:25px;font-weight:800;position:relative;border-radius:11px}.brand-mark span{color:var(--cyan)}.brand strong{display:block;font-size:17px;letter-spacing:2px;line-height:1.2}.brand small{display:block;font:9px 'DM 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.98fr;gap:35px;align-items:center;background:linear-gradient(115deg,#101d2b,#18334b);border-radius:22px;padding:clamp(30px,5vw,72px);color:white;overflow:hidden;position:relative;min-height:490px}.hero:after{content:"";position:absolute;width:450px;height:450px;border:1px solid #ffffff12;border-radius:50%;right:-160px;top:-190px;box-shadow:0 0 0 45px #ffffff08,0 0 0 90px #ffffff05}.eyebrow{font:10px 'DM Mono',monospace;letter-spacing:1.8px;color:#58c1ce;text-transform:uppercase}.pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:#58c1ce;margin-right:8px;box-shadow:0 0 0 5px #58c1ce22}.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.08;letter-spacing:-2.5px;margin:22px 0}.hero h1 em{font-style:normal;color:#63c6d0}.hero-copy>p{max-width:570px;color:#c0ccd7;font-size:15px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 42px}.btn{padding:12px 18px;border-radius:8px;text-decoration:none;font-size:12px;font-weight:800}.btn.primary{background:#4cb8c5;color:#102333}.btn.primary span{padding-left:14px}.btn.ghost{border:1px solid #ffffff45;color:white}.hero-stats{display:flex;gap:34px;border-top:1px solid #ffffff20;padding-top:22px}.hero-stats strong{display:block;font-size:22px}.hero-stats span{display:block;color:#9eafbf;font-size:10px}.hero-visual{position:relative;z-index:1}.hero-visual img{width:100%;filter:drop-shadow(0 20px 30px #0005)}.floating-note{position:absolute;bottom:4%;left:0;background:#fff;color:var(--ink);padding:12px 17px;border-radius:10px;display:flex;gap:12px;align-items:center;box-shadow:var(--shadow)}.note-dot{width:9px;height:9px;border-radius:50%;background:#39a7ad}.floating-note b,.floating-note small{display:block}.floating-note b{font:9px 'DM Mono',monospace;letter-spacing:1px}.floating-note small{font-size:10px;color:var(--muted)}.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin:66px 0 24px}.section-heading h2,.article-card h2,.diagram-block h2,.about-layout h2{font-size:clamp(24px,3vw,34px);letter-spacing:-1px;line-height:1.2;margin:10px 0}.section-heading p{max-width:390px;color:var(--muted);font-size:13px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.feature-card{background:white;border:1px solid var(--line);border-radius:13px;padding:23px;color:var(--ink);text-decoration:none;transition:.2s;min-height:220px}.feature-card:hover,.document-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8d6df}.card-icon{width:43px;height:43px;border-radius:10px;display:grid;place-items:center;background:#eaf5f6;color:#267c8a;font-size:25px}.feature-card h3{font-size:16px;margin:18px 0 7px}.feature-card 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p{font-size:11px;color:var(--muted);min-height:42px}.document-card>span:last-child{font-size:11px;color:var(--blue);font-weight:800}.about-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}.about-layout p{font-size:13px;color:var(--muted)}.about-panel{background:var(--navy);border-radius:15px;padding:35px;color:white;min-height:230px;display:flex;flex-direction:column;justify-content:space-between}.about-panel strong{font-size:23px;line-height:1.5}.about-line{width:45px;height:3px;background:var(--cyan)}.about-panel small{color:#9eb0c1}.site-footer{background:#0e1a27;color:#a9b8c6;padding:34px max(5vw,24px);display:flex;align-items:center;justify-content:space-between;gap:25px;flex-wrap:wrap}.footer-brand{color:white}.site-footer p,.site-footer>span{font-size:10px;color:#8fa0b1}.doc-page{max-width:900px;margin:45px auto;padding:0 24px}.doc-sheet{background:white;padding:clamp(25px,5vw,55px);border:1px solid var(--line);box-shadow:var(--shadow)}.doc-sheet 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