body{margin:0;font-family:Arial,sans-serif;background:#f6f7fb;color:#111827}.nav{display:flex;justify-content:space-between;align-items:center;background:#fff;border-bottom:1px solid #e5e7eb;padding:14px 25px}.nav a{margin-left:14px;color:#111827;text-decoration:none;font-weight:700}.hero{background:linear-gradient(135deg,#111827,#1f2937 55%,#92400e);color:#fff;padding:70px 20px}.hero-inner{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.35fr .85fr;gap:28px;align-items:center}.hero h1{font-size:44px;line-height:1.08;margin:0 0 18px;font-weight:900}.hero p{font-size:18px;color:#e5e7eb;line-height:1.65}.badge{display:inline-block;background:#fbbf24;color:#111827;padding:7px 12px;border-radius:999px;font-weight:800;margin-bottom:16px}.btn{display:inline-block;background:#f59e0b;color:#111827;border:0;border-radius:9px;padding:12px 18px;font-weight:800;text-decoration:none;cursor:pointer}.btn.secondary{background:#e5e7eb}.section{max-width:1180px;margin:38px auto;padding:0 20px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.card{background:#fff;border-radius:16px;padding:22px;box-shadow:0 8px 22px rgba(0,0,0,.07);border:1px solid #eef2f7;margin-bottom:18px}.login-card{max-width:430px;margin:35px auto}.input,select{width:100%;padding:12px;border:1px solid #d1d5db;border-radius:8px;margin:7px 0 15px;box-sizing:border-box}.alert{padding:10px;border-radius:8px;margin-bottom:12px}.error{background:#fee2e2;color:#991b1b}.success{background:#dcfce7;color:#166534}.footer{text-align:center;color:#6b7280;padding:25px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.stat{font-size:30px;font-weight:900}.hero-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:24px;border-radius:18px}@media(max-width:800px){.hero-inner{grid-template-columns:1fr}.hero h1{font-size:34px}}