@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,600;0,700;0,800;1,400&family=Montserrat:wght@400;600;700;800&family=Playfair+Display:wght@600;700;800&display=swap');

:root {
  --navy: #1a3060;
  --navy-dark: #0f1a2a;
  --cyan: #00b4d8;
  --cyan-light: #4ad9f5;
  --white: #ffffff;
  --gray-light: #f8f9fa;
  --gray: #6c757d;
  --gray-dark: #2c3e50;
  --nav-h: 70px;
  --accent: #ff6b6b;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', sans-serif;
  background: var(--white);
  color: var(--gray-dark);
  line-height: 1.6;
}

/* ── NAVIGATION ─────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: var(--white);
  border-bottom: 2px solid var(--cyan);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5vw;
  box-shadow: 0 2px 12px rgba(26,48,96,0.08);
}

.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; font-weight: 700; color: var(--navy);
  font-size: 18px; letter-spacing: 1px;
}
.nav-logo img { height: 50px; width: auto; }

.nav-links {
  display: flex; gap: 0; list-style: none; align-items: center;
}
.nav-links li { position: relative; }
.nav-links a {
  display: block; padding: 10px 16px;
  text-decoration: none; color: var(--gray-dark);
  font-size: 14px; font-weight: 500;
  transition: color 0.2s, background 0.2s;
  position: relative;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--cyan); background: rgba(0,180,216,0.08);
}

.nav-btn {
  background: var(--cyan); color: white;
  border: none; padding: 10px 24px;
  border-radius: 4px; cursor: pointer;
  font-weight: 600; font-size: 13px;
  text-decoration: none;
  transition: background 0.3s, transform 0.1s;
}
.nav-btn:hover { background: var(--cyan-light); transform: translateY(-1px); }

.hamburger {
  display: none; flex-direction: column; gap: 5px; background: none;
  border: none; cursor: pointer; padding: 8px;
}
.hamburger span { width: 24px; height: 2px; background: var(--navy); transition: 0.3s; }

.mobile-menu {
  display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--white); z-index: 999; padding: 20px;
  border-bottom: 2px solid var(--cyan);
  max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; }
.mobile-menu li { border-bottom: 1px solid #eee; }
.mobile-menu a { display: block; padding: 12px 0; color: var(--gray-dark); text-decoration: none; }
.mobile-menu a:hover { color: var(--cyan); }

/* ── HERO ───────────────────────────────────────── */
.hero {
  margin-top: var(--nav-h);
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--navy) 0%, #2c5aa0 100%);
  color: white;
}

.carousel {
  position: relative; width: 100%; height: 500px;
  background: var(--navy);
}
.carousel-item {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0; transition: opacity 0.8s ease-in-out;
  display: flex; align-items: center; justify-content: center;
}
.carousel-item.active { opacity: 1; }
.carousel-item img {
  width: 100%; height: 100%; object-fit: cover;
}

.carousel-nav {
  display: none;
}
.carousel-dot {
  display: none;
}

.carousel-control {
  display: none;
}

.hero-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(26,48,96,0.6), rgba(0,180,216,0.3));
  display: flex; align-items: center; justify-content: center;
  text-align: center; color: white;
  z-index: 5;
}
.hero-content h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(40px, 8vw, 72px); font-weight: 800;
  margin-bottom: 16px; line-height: 1.1;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
  letter-spacing: 1px;
}
.hero-content p {
  font-size: clamp(16px, 3vw, 20px); margin-bottom: 32px;
  opacity: 0.98; text-shadow: 0 1px 5px rgba(0,0,0,0.2);
  line-height: 1.6;
}
.hero-btn {
  display: inline-block;
  background: var(--cyan); color: white;
  padding: 14px 32px; text-decoration: none;
  border: none; border-radius: 4px;
  font-weight: 600; cursor: pointer;
  transition: background 0.3s, transform 0.1s;
  font-size: 15px;
  box-shadow: 0 4px 15px rgba(0,180,216,0.3);
}
.hero-btn:hover {
  background: var(--cyan-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,180,216,0.4);
}

.hero-btn-desktop {
  display: inline-block;
}

/* ── SECTIONS ───────────────────────────────────── */
.section {
  padding: 80px 5vw;
  max-width: 1400px; margin: 0 auto;
}
.section.bg-light { background: var(--gray-light); }
.section.bg-navy { background: var(--navy); color: white; }

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 5vw, 52px); font-weight: 800;
  margin-bottom: 10px; color: var(--navy);
}
.section.bg-navy .section-title { color: white; }

.section-sub {
  font-size: 14px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 40px;
}

.section-divider {
  width: 50px; height: 3px; background: var(--cyan);
  margin-bottom: 30px;
}

/* ── GRID ───────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ── CARDS ──────────────────────────────────────── */
.card {
  background: white; border-radius: 8px;
  border: 1px solid #e0e0e0;
  overflow: hidden; transition: all 0.3s;
  box-shadow: 0 2px 8px rgba(26,48,96,0.08);
}
.card:hover {
  border-color: var(--cyan);
  box-shadow: 0 8px 24px rgba(0,180,216,0.15);
  transform: translateY(-4px);
}

.card-img { width: 100%; height: 240px; object-fit: cover; }
.card-body { padding: 24px; }
.card-title {
  font-size: 18px; font-weight: 700; margin-bottom: 8px;
  color: var(--navy);
}
.card-text { font-size: 14px; color: var(--gray); margin-bottom: 16px; }

/* ── BUTTONS ────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 12px 28px; border-radius: 4px;
  text-decoration: none; font-weight: 600; cursor: pointer;
  transition: all 0.3s; border: none; font-size: 14px;
}
.btn-primary { background: var(--cyan); color: white; }
.btn-primary:hover { background: var(--cyan-light); transform: translateY(-2px); }
.btn-secondary { background: var(--navy); color: white; }
.btn-secondary:hover { background: #2c5aa0; }
.btn-outline { background: transparent; border: 2px solid var(--cyan); color: var(--cyan); }
.btn-outline:hover { background: var(--cyan); color: white; }

/* ── TAG ────────────────────────────────────────– */
.tag {
  display: inline-block;
  background: rgba(0,180,216,0.15); color: var(--cyan);
  padding: 6px 14px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
}

/* ── FOOTER ─────────────────────────────────────── */
footer {
  background: var(--navy-dark); color: white;
  padding: 60px 5vw 30px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px; max-width: 1400px; margin-left: auto; margin-right: auto;
}
.footer-col h3 {
  font-size: 14px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 2px; margin-bottom: 20px; color: var(--cyan);
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: rgba(255,255,255,0.7); text-decoration: none;
  transition: color 0.2s; font-size: 14px;
}
.footer-col a:hover { color: var(--cyan); }

.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo img { height: 40px; }
.footer-text { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.7); max-width: 300px; }
.footer-contact { font-size: 13px; line-height: 1.8; }

.footer-bottom {
  max-width: 1400px; margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: rgba(255,255,255,0.6);
}

/* ── ANIMATIONS ─────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }

/* ── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-btn { display: none; }
  .hero-btn-desktop { display: none !important; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}

@media (max-width: 600px) {
  .carousel { height: 300px; }
  .hero-content h1 { font-size: 32px; }
  .section { padding: 50px 5vw; }
}