/* =========================
   GLOBAL DESIGN SYSTEM
   ========================= */

:root {
  --dark: #0f2430;
  --primary: #1f3c4f;
  --accent: #cfa44a;
  --light: #f4f6f8;
}

/* Reset & smoothing */
* { box-sizing: border-box; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--light);
  color: #333;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.2px;
}

/* Typography */
h1, h2, h3 {
  font-weight: 700;
  letter-spacing: 0.4px;
  line-height: 1.3;
  margin-top: 0;
}
h1 { font-size: clamp(2.5rem, 4vw, 3.5rem); }
h2 { font-size: 2rem; margin-bottom: 18px; }
h3 { font-size: 1.35rem; margin-bottom: 12px; }

p { margin-bottom: 16px; color: #444; }

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15,36,48,0.95);
}
.nav-container {
  max-width: 1200px;
  margin: auto;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  font-size: 1.2rem;
  letter-spacing: 1px;
}
.nav-links a {
  color: #fff;
  margin-left: 22px;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}
.nav-links a:hover { color: var(--accent); }

/* Sections */
.section {
  padding: 90px 20px;
}
.container {
  max-width: 1200px;
  margin: auto;
}

/* Hero */
.hero {
  height: 90vh;
  background:
    linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)),
    url("assets/bg-hero.jpg") center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}
.hero-btn {
  background: var(--accent);
  color: var(--dark);
  padding: 14px 34px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
}

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
  gap: 35px;
}
.card {
  background: #fff;
  padding: 44px 40px;
  border-radius: 20px;
  box-shadow: 0 22px 45px rgba(0,0,0,0.08);
  text-align: center;
}
.card span { font-size: 2.6rem; margin-bottom: 18px; display: inline-block; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.98rem;
}
th {
  background: var(--primary);
  color: #fff;
  padding: 14px;
}
td {
  padding: 14px;
}
tr:nth-child(even) { background: var(--light); }

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(25px);
  transition: all 0.9s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
footer {
  background: var(--dark);
  color: #fff;
  text-align: center;
  padding: 40px 20px;
}

/* Mobile */
@media (max-width: 768px) {
  h1 { font-size: 2.3rem; }
  h2 { font-size: 1.7rem; }
  .card { padding: 34px 28px; }
}

/* Floating Cross */
#crossBtn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #cfa44a;
  color: #0f2430;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
  z-index: 2000;
}

/* Popup */
#welcomePopup {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 3000;
}
.popup-content {
  background: #fff;
  max-width: 420px;
  margin: 15% auto;
  padding: 35px;
  border-radius: 18px;
  text-align: center;
}
.popup-content h3 {
  color: #1f3c4f;
}
.popup-content button {
  margin-top: 20px;
  background: #cfa44a;
  border: none;
  padding: 10px 24px;
  border-radius: 25px;
  cursor: pointer;
}