:root{--navy:#10254a;--blue:#2563eb;--cyan:#21b7d8;--ink:#10213d;--muted:#62708a;--line:#dce5f1;--bg:#f5f8fc;--green:#18a66a;--gold:#ffc83d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}.campaign-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,24px);background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.campaign-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}.campaign-brand img{width:42px;height:42px;object-fit:contain}.campaign-brand span,.campaign-brand small{display:block}.campaign-brand b{font-size:18px}.campaign-brand small{font-size:11px;color:var(--muted)}.header-cta,.primary-cta,.whatsapp-cta{text-decoration:none;font-weight:800;border-radius:10px}.header-cta{background:var(--blue);color:#fff;padding:11px 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