:root {
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --primary-light: #ccfbf1;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --emergency-bg: #fff1f2;
  --emergency-border: #fecdd3;
  --emergency-text: #9f1239;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-sans); color: var(--slate-700); background-color: var(--slate-50); line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header & Nav */
.site-header { background: #ffffff; border-bottom: 1px solid var(--slate-200); position: sticky; top: 0; z-index: 1000; }
.header-container { max-width: 1200px; margin: 0 auto; padding: 0.85rem 1.5rem; display: flex; align-items: center; justify-content: space-between; }
.brand-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: var(--slate-900); }
.sphere-icon { width: 34px; height: 34px; stroke: var(--primary); }
.brand-text { display: flex; flex-direction: column; }
.brand-title { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.02em; color: var(--slate-900); line-height: 1.2; }
.brand-subtitle { font-size: 0.72rem; color: var(--slate-600); text-transform: uppercase; letter-spacing: 0.05em; }

.site-nav { display: flex; align-items: center; gap: 1.25rem; }
.nav-link { color: var(--slate-700); font-size: 0.92rem; font-weight: 500; }
.nav-link.active { color: var(--primary); font-weight: 600; }
.btn-nav { background: var(--primary); color: #ffffff !important; padding: 0.45rem 0.9rem; border-radius: 6px; font-weight: 600; font-size: 0.88rem; }
.btn-nav:hover { background: var(--primary-dark); text-decoration: none; }

/* Emergency Alert Banner */
.emergency-banner { background: var(--emergency-bg); border-bottom: 1px solid var(--emergency-border); color: var(--emergency-text); font-size: 0.85rem; padding: 0.5rem 1.5rem; text-align: center; }

/* Layout & Containers */
.page-container { max-width: 1100px; margin: 0 auto; padding: 3rem 1.5rem; min-height: 70vh; }
.page-title { font-size: 2rem; color: var(--slate-900); margin-bottom: 0.5rem; }
.page-lead { font-size: 1.15rem; color: var(--slate-600); margin-bottom: 2rem; }

/* Cards & Grid */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.card { background: #ffffff; border: 1px solid var(--slate-200); border-radius: 8px; padding: 1.5rem; }
.card h3 { color: var(--slate-900); margin-bottom: 0.5rem; font-size: 1.2rem; }

/* Form Controls */
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-weight: 600; font-size: 0.88rem; color: var(--slate-800); margin-bottom: 0.35rem; }
.form-control { width: 100%; padding: 0.65rem 0.85rem; border: 1px solid var(--slate-200); border-radius: 6px; font-size: 0.95rem; font-family: inherit; }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15); }
.btn-submit { background: var(--primary); color: #fff; border: none; padding: 0.75rem 1.5rem; border-radius: 6px; font-size: 1rem; font-weight: 600; cursor: pointer; }
.btn-submit:hover { background: var(--primary-dark); }
.success-box { display: none; background: var(--primary-light); border: 1px solid var(--primary); color: var(--primary-dark); padding: 1.5rem; border-radius: 8px; margin-top: 1rem; }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; margin-top: 1rem; background: #fff; border-radius: 6px; overflow: hidden; border: 1px solid var(--slate-200); }
.data-table th, .data-table td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--slate-200); }
.data-table th { background: var(--slate-100); font-weight: 600; color: var(--slate-800); }

/* Policy & Legal Text */
.legal-content h2 { font-size: 1.35rem; color: var(--slate-900); margin: 2rem 0 0.75rem 0; }
.legal-content p, .legal-content ul { margin-bottom: 1rem; font-size: 0.95rem; color: var(--slate-700); }
.legal-content ul { padding-left: 1.5rem; }

/* Footer */
.site-footer { background: var(--slate-900); color: #94a3b8; padding: 3rem 1.5rem 2rem; font-size: 0.85rem; margin-top: 4rem; }
.footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; }
.footer-col h4 { color: #f8fafc; font-size: 0.95rem; margin-bottom: 0.75rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.4rem; }
.footer-col a { color: #94a3b8; }
.footer-col a:hover { color: #ffffff; text-decoration: none; }
.footer-bottom { max-width: 1200px; margin: 2rem auto 0; padding-top: 1.5rem; border-top: 1px solid var(--slate-800); text-align: center; }

@media (max-width: 768px) {
  .header-container { flex-direction: column; gap: 1rem; }
  .site-nav { flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
}