:root{--dark:#101820;--yellow:#f6b800;--gray:#667085;--light:#f7f8fa;--white:#fff;--border:#e6e8ec;--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--light);color:var(--dark);line-height:1.6}a{text-decoration:none;color:inherit}.container{width:min(1120px,calc(100% - 32px));margin:auto}.topbar{background:var(--dark);color:#fff;padding:10px 0;font-size:14px}.topbar .container,.nav .container{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}.topbar a{color:var(--yellow);font-weight:700}.nav{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.logo{font-weight:900;font-size:24px;padding:16px 0}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:var(--yellow);color:var(--dark);font-weight:900;padding:12px 18px;cursor:pointer}.btn.dark{background:var(--dark);color:#fff}.hero{background:linear-gradient(120deg,rgba(16,24,32,.94),rgba(16,24,32,.68)),url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=1800&q=80') center/cover;color:#fff;padding:90px 0}.hero h1{font-size:clamp(36px,6vw,64px);line-height:1.05;margin:0 0 18px}.hero p{font-size:19px;max-width:760px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:0 10px 28px rgba(16,24,32,.06)}section{padding:64px 0}.section-title{text-align:center;max-width:760px;margin:0 auto 34px}.section-title h2{font-size:clamp(28px,4vw,42px);margin:0 0 10px}.section-title p{color:var(--gray)}.admin-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.admin-card{width:min(440px,100%);background:#fff;padding:28px;border-radius:22px;box-shadow:0 20px 50px rgba(16,24,32,.12)}input,textarea,select{width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:12px;margin:7px 0 15px;font:inherit}textarea{min-height:180px}.admin-layout{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:var(--dark);color:#fff;padding:24px}.sidebar h2{margin-top:0}.sidebar a{display:block;padding:12px 14px;border-radius:12px;color:#dbe4ee}.sidebar a:hover{background:#1d2a36}.main{padding:28px}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden}.table th,.table td{padding:14px;border-bottom:1px solid var(--border);text-align:left}.alert{padding:12px 14px;border-radius:12px;margin-bottom:16px;background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}.seo-links{background:#0b1117;padding:44px 0}.seo-links h3{text-align:center;color:#fff}.seo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.seo-grid a{background:#141c24;color:#cbd5e1;padding:12px;border-radius:10px;font-weight:700}.seo-grid a:hover{background:var(--yellow);color:var(--dark)}footer{background:#0b1117;color:#cbd5e1;padding:30px 0;text-align:center}.footer-credit{border-top:1px solid rgba(255,255,255,.1);margin-top:18px;padding-top:18px}.footer-credit a{color:var(--yellow);font-weight:900}.floating-whatsapp{position:fixed;right:18px;bottom:18px;background:#25d366;color:#fff;padding:14px 18px;border-radius:999px;font-weight:900}@media(max-width:850px){.cards{grid-template-columns:1fr}.admin-layout{grid-template-columns:1fr}.sidebar{position:relative}.table{font-size:14px}}