.site-header{position:sticky;top:0;z-index:50;background:rgba(8,18,24,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;min-width:220px}.brand-mark{width:38px;height:38px;border:1px solid rgba(94,224,191,.45);border-radius:10px;background:linear-gradient(145deg,#123d43,#0b1b24);display:grid;place-items:center;box-shadow:0 0 0 4px rgba(94,224,191,.05)}.brand-mark img{width:23px;height:23px}.brand-name{font-size:1rem;font-weight:800;letter-spacing:.02em}.brand-sub{display:block;font-size:.66rem;color:var(--faint);font-weight:700;letter-spacing:.12em;margin-top:2px}.main-nav{display:flex;align-items:center;gap:4px}.main-nav a{padding:10px 12px;border-radius:6px;font-size:.88rem;color:var(--muted);font-weight:700}.main-nav a:hover,.main-nav a[aria-current="page"]{background:rgba(94,224,191,.1);color:var(--text)}.header-actions{display:flex;align-items:center;gap:10px}.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:6px;color:var(--text)}
.page-hero{padding:56px 0 34px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(16,35,44,.62),rgba(8,18,24,0))}.page-hero h1{max-width:820px;margin-top:14px;font-size:clamp(2.1rem,4.5vw,4rem)}.page-hero p{max-width:700px;margin-top:18px;font-size:1.06rem}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--faint);font-size:.82rem}.breadcrumb a{color:var(--muted)}.breadcrumb span{color:#537174}
.site-footer{margin-top:70px;border-top:1px solid var(--line);background:#071116}.footer-main{padding:50px 0 34px;display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:34px}.footer-brand p{max-width:320px;margin-top:14px;font-size:.9rem}.footer-col h3{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text);margin-bottom:14px}.footer-col a{display:block;color:var(--muted);font-size:.88rem;margin:7px 0}.footer-note{border-top:1px solid var(--line);padding:18px 0 22px;display:flex;justify-content:space-between;gap:16px;color:var(--faint);font-size:.78rem}.footer-note a{color:var(--muted)}
.backtop{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--primary);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:30}.backtop.is-visible{opacity:1;pointer-events:auto}.backtop:hover{transform:translateY(-3px)}

/* Warm editorial palette overrides */
.site-header{background:rgba(244,240,232,.9)}
.brand-mark{border-color:rgba(39,107,116,.4);background:linear-gradient(145deg,#d9eee8,#fffaf0);box-shadow:0 0 0 4px rgba(39,107,116,.06)}
.main-nav a:hover,.main-nav a[aria-current="page"]{background:rgba(39,107,116,.1)}
.page-hero{background:linear-gradient(180deg,rgba(232,222,209,.72),rgba(244,240,232,0))}
.site-footer{background:#1d2b30}.footer-brand p{color:#c8d1ce}.footer-col h3{color:#fffaf2}.footer-col a{color:#b7c5c3}.footer-note{border-top-color:rgba(255,255,255,.16);color:#a9b6b4}