:root{--navy:#153b63;--navy2:#0d2b49;--teal:#0f807d;--aqua:#dff4f1;--gold:#d8a83e;--ink:#17212b;--muted:#596776;--line:#d8e0e8;--paper:#fff;--soft:#f4f8fb;--shadow:0 18px 50px rgba(16,46,76,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:10px 14px;z-index:100}.skip-link:focus{left:8px}.topbar{background:var(--navy2);color:#fff;font-size:.82rem;letter-spacing:.04em;padding:7px 5vw}.site-header{position:sticky;top:0;z-index:40;box-shadow:0 2px 16px rgba(0,0,0,.08)}.nav-wrap{height:78px;background:rgba(255,255,255,.97);display:flex;align-items:center;justify-content:space-between;padding:0 5vw}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:linear-gradient(145deg,var(--navy),var(--teal));color:#fff;font-weight:800}.brand strong{display:block;color:var(--navy);font-size:1rem;letter-spacing:.03em}.brand small{display:block;color:var(--muted);font-size:.74rem}.nav{display:flex;align-items:center;gap:1.15rem}.nav a{font-weight:650;font-size:.92rem;color:#33495f;padding:9px 0;border-bottom:2px solid transparent}.nav a:hover{color:var(--teal);border-color:var(--teal)}.menu-btn{display:none;border:0;background:none;color:var(--navy);font-weight:700}.hero{background:radial-gradient(circle at 83% 18%,rgba(15,128,125,.18),transparent 26%),linear-gradient(135deg,#f8fbff 0%,#eef7f6 55%,#fff7e6 100%);overflow:hidden}.hero-inner{max-width:1240px;margin:auto;min-height:650px;padding:90px 30px;display:grid;grid-template-columns:1.15fr 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63%);display:grid;place-items:center}.core{width:160px;height:160px;border-radius:50%;background:linear-gradient(145deg,var(--navy),var(--teal));color:#fff;display:grid;place-items:center;text-align:center;font-weight:800;box-shadow:var(--shadow)}.orbit{position:absolute;width:76px;height:76px;border-radius:20px;background:#fff;display:grid;place-items:center;box-shadow:var(--shadow);color:var(--teal);font-size:.82rem;font-weight:800}.o1{top:32px;left:120px}.o2{bottom:48px;left:28px}.o3{right:25px;top:154px}.section{padding:84px 30px}.section.soft{background:var(--soft)}.narrow{max-width:980px;margin:auto}.section-head{max-width:760px;margin:0 auto 42px;text-align:center}.section-head.left{text-align:left;margin-left:0}.section-head h2{font-size:clamp(2rem,3.7vw,3.2rem);margin:.35rem 0 1rem}.section-head p{color:var(--muted);font-size:1.08rem}.three-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.feature{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 9px 30px rgba(16,46,76,.07)}.feature h3{font-size:1.35rem}.feature p{color:var(--muted)}.card-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.project-card{display:flex;justify-content:space-between;gap:20px;min-height:170px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:.2s}.project-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a8cfc9}.project-card h3{font-size:1.15rem}.project-card p{color:var(--muted)}.project-card span{color:var(--teal);font-weight:800}.quote-band{padding:70px 30px;background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff}.quote-band blockquote{max-width:950px;margin:auto;font-size:clamp(1.7rem,3.5vw,3rem);font-weight:720;line-height:1.3;text-align:center}.split{max-width:1180px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.split h2{font-size:clamp(2rem,4vw,3.2rem)}.split p{color:var(--muted);font-size:1.08rem}.text-link{display:inline-flex;color:var(--teal);font-weight:800;margin-top:10px}.standards-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.standard-chip{background:var(--soft);border:1px solid var(--line);padding:16px;border-radius:13px;font-weight:700;color:var(--navy);display:flex;align-items:center;gap:10px}.standard-chip span{width:28px;height:28px;border-radius:50%;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:.82rem}.page-hero{background:linear-gradient(135deg,#edf6ff,#f1fbf8);padding:92px 30px 75px}.page-hero h1{font-size:clamp(2.8rem,5vw,4.7rem)}.content-stack{display:grid;gap:22px}.content-card{display:grid;grid-template-columns:72px 1fr;gap:24px;padding:34px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 12px 34px rgba(16,46,76,.07)}.content-index{font-size:1.05rem;font-weight:900;color:var(--gold);letter-spacing:.12em}.content-card h2{font-size:1.7rem}.content-card p{color:var(--muted);font-size:1.05rem}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.related a{background:#fff;border:1px solid var(--line);border-radius:13px;padding:19px;font-weight:800;color:var(--navy)}.related a:hover{border-color:var(--teal);color:var(--teal)}.search-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 16px;max-width:700px;margin:30px 0}.search-box input{width:100%;border:0;outline:0;font-size:1.05rem}.search-results{display:grid;gap:12px}.search-results a{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.search-results h2{font-size:1.18rem;margin-bottom:5px}.search-results p{margin:0;color:var(--muted)}footer{background:#0b263f;color:#dce9f5;padding:60px 5vw 20px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}.footer-brand strong{color:#fff}.footer-brand small{color:#b7cbe0}.footer-grid p{max-width:520px;color:#b8cbe0}.footer-grid h2{color:#fff;font-size:1rem}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:10px}.footer-grid a:hover{color:#8fd8d1}.footer-bottom{max-width:1180px;margin:38px auto 0;border-top:1px solid rgba(255,255,255,.16);padding-top:18px;color:#9fb4c8;font-size:.84rem}@media(max-width:900px){.menu-btn{display:block}.nav{display:none;position:absolute;top:110px;left:0;right:0;background:#fff;padding:18px 5vw 24px;flex-direction:column;align-items:flex-start;box-shadow:0 12px 22px rgba(0,0,0,.12)}.nav.open{display:flex}.hero-inner,.split{grid-template-columns:1fr}.hero-visual{height:330px;max-width:500px;width:100%;margin:auto}.three-grid,.card-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}@media(max-width:620px){.hero-inner{padding:64px 22px}.hero-visual{display:none}.section{padding:65px 20px}.three-grid,.card-grid,.related,.footer-grid,.standards-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.content-card{grid-template-columns:1fr;padding:25px}.content-index{font-size:.9rem}.nav-wrap{padding:0 20px}.topbar{padding-left:20px}.page-hero{padding:70px 20px 55px}.hero h1,.page-hero h1{font-size:2.7rem}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}:focus-visible{outline:3px solid #f0b542;outline-offset:3px}