:root{--ink: #12323a;--muted: #4d6b72;--paper: #f6fbf8;--card: #ffffff;--line: #d5e8e4;--teal: #0f8a7a;--teal-dark: #0b6b5e;--sun: #f4b942;--shell: #e07a3d;--shadow: 0 12px 30px rgba(18, 50, 58, .08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Segoe UI,Trebuchet MS,sans-serif;color:var(--ink);background:radial-gradient(circle at top right,#dff6ef 0,transparent 40%),radial-gradient(circle at 10% 80%,#fff3d6 0,transparent 35%),var(--paper);line-height:1.5}.wrap{width:min(1080px,calc(100% - 32px));margin:0 auto}header{padding:18px 0 8px}.brand{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.hub-lang{margin-inline-start:auto}.site-lang select,.hub-lang select{font:inherit;font-weight:700;font-size:.9rem;padding:7px 12px;border-radius:999px;border:1px solid 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