@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ===== RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: #F1F5F9;
  color: #0F172A;
  line-height: 1.6;
}

/* ===== HEADER ===== */
.header {
  background: #ffffff;
  border-bottom: 1px solid #E2E8F0;
}

.header-inner {
  max-width: 1200px;
  margin: auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 20px;
  font-weight: 700;
}

nav a {
  margin-left: 14px;
  text-decoration: none;
  color: #334155;
  font-weight: 500;
}

nav a:hover {
  color: #1E3A8A;
}

/* ===== HERO ===== */
.hero {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(135deg, #1E3A8A, #1E40AF);
  color: white;
}

.hero h1 {
  font-size: 40px;
  margin-bottom: 10px;
}

.hero p {
  font-size: 18px;
  max-width: 720px;
  margin: auto;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1100px;
  margin: 70px auto;
  padding: 0 20px;
}

/* ===== SECTION SPACING ===== */
.section {
  margin-top: 80px;
}

/* ===== TEXT CARD ===== */
.card {
  background: white;
  padding: 36px;
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
  max-width: 900px;
  margin: auto;
  text-align: center;
}

.card ul {
  margin-top: 16px;
  text-align: left;
  padding-left: 20px;
}

.card li {
  margin-bottom: 10px;
  color: #475569;
}

/* ===== NAV GRID (BIG CARDS) ===== */
.nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}

.nav-card {
  background: white;
  padding: 36px 24px;
  border-radius: 18px;
  text-align: center;
  text-decoration: none;
  color: #0F172A;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.nav-card:hover {
  transform: translateY(-6px);
}

/* ===== INFO GRID (SMALL BOXES) ===== */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.info-box {
  background: white;
  padding: 28px 20px;
  border-radius: 16px;
  text-align: center;
  font-size: 14px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.08);
}

/* ===== FOOTER ===== */

.site-footer {
  margin-top: 100px;
  background: #ffffff;
  border-top: 1px solid #E2E8F0;
}

.footer-inner {
  max-width: 1200px;
  margin: auto;
  padding: 20px;
  text-align: center;
  font-size: 14px;
  color: #64748B;
}

/* ===== TABS ===== */

.tabs {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin: 40px 0 50px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid #CBD5E1;
  background: #ffffff;
  cursor: pointer;
  font-weight: 600;
  color: #334155;
}

.tab-btn.active {
  background: #1E3A8A;
  color: #ffffff;
  border-color: #1E3A8A;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}