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

:root {
  --navy: #0b1f4b;
  --gold: #f4c430;
  --white: #ffffff;
  --navy-light: rgba(11, 31, 75, 0.85);
  --gold-glow: rgba(244, 196, 48, 0.4);
  --shadow-soft: 0 20px 30px -10px rgba(0, 0, 0, 0.15), 0 8px 15px -6px rgba(11, 31, 75, 0.2);
  --shadow-3d: 0 25px 40px -12px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(244, 196, 48, 0.2);
  --transition-default: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-border: 1px solid rgba(255, 255, 255, 0.25);
}

body {
  font-family: 'Poppins', 'Montserrat', sans-serif;
  background-color: #f8faff;
  color: #1a1e2b;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---------- SMOOTH SCROLL ---------- */
html {
  scroll-behavior: smooth;
}

/* ---------- TYPOGRAPHY & UTILS ---------- */
h1, h2, h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-title {
  font-size: 2.8rem;
  margin-bottom: 1.8rem;
  position: relative;
  display: inline-block;
  background: linear-gradient(135deg, var(--navy) 20%, var(--gold) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 5px 15px var(--gold-glow);
}
.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gold);
  margin-top: 8px;
  border-radius: 4px;
  box-shadow: 0 0 15px var(--gold);
}

.feature-badge {
  background: var(--white);
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  color: var(--navy);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--gold);
  backdrop-filter: blur(4px);
  transition: var(--transition-default);
}
.feature-badge:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 25px var(--gold-glow);
  border-color: var(--gold);
}

/* ---------- NAVBAR (STICKY, GLASS) ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  transition: var(--transition-default);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(11, 31, 75, 0.15);
  border-bottom: var(--glass-border);
}
.navbar.scrolled {
  background: var(--navy);
  box-shadow: 0 10px 30px -8px rgba(0,0,0,0.4), 0 0 0 1px rgba(244,196,48,0.3);
  padding: 0.8rem 2rem;
}
.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  text-shadow: 0 2px 10px var(--gold);
  letter-spacing: 2px;
}
.logo span {
  color: var(--gold);
}
.nav-menu {
  display: flex;
  gap: 1.7rem;
  align-items: center;
  flex-wrap: wrap;
  list-style: none;
}
.nav-menu a {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition-default);
  text-shadow: 0 2px 5px rgba(0,0,0,0.3);
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold);
  transition: var(--transition-default);
}
.nav-menu a:hover::after {
  width: 100%;
}
.nav-menu a:hover {
  color: var(--gold);
}
.dropdown {
  position: relative;
}
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--navy-light);
  backdrop-filter: blur(12px);
  border: var(--glass-border);
  border-radius: 12px;
  padding: 0.8rem 0;
  min-width: 150px;
  box-shadow: var(--shadow-3d);
}
.dropdown:hover .dropdown-menu {
  display: block;
}
.dropdown-menu li {
  list-style: none;
}
.dropdown-menu a {
  display: block;
  padding: 0.5rem 1.2rem;
  white-space: nowrap;
}

/* ---------- HERO SLIDER ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  overflow: hidden;
}
.slider {
  width: 100%;
  height: 100%;
  position: relative;
}
.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.slide.active {
  opacity: 1;
  z-index: 2;
}
.slide::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(11,31,75,0.8) 0%, rgba(11,31,75,0.4) 70%, rgba(244,196,48,0.15) 100%);
  z-index: 1;
}
.slide-content {
  position: relative;
  z-index: 3;
  color: var(--white);
  max-width: 900px;
  padding: 2rem;
  animation: float 3s infinite alternate;
}
.slide-content h1 {
  font-size: 5rem;
  font-weight: 800;
  text-shadow: 0 10px 20px rgba(0,0,0,0.5), 0 0 30px var(--gold);
  line-height: 1.1;
}
.slide-content h1 span {
  color: var(--gold);
  display: block;
  font-size: 2rem;
  letter-spacing: 8px;
}
.tagline {
  font-size: 1.6rem;
  margin: 1.5rem 0;
  font-weight: 300;
  word-spacing: 8px;
  text-shadow: 0 2px 10px black;
}
.btn {
  display: inline-block;
  background: var(--gold);
  color: var(--navy);
  padding: 1rem 2.8rem;
  border-radius: 50px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(244,196,48,0.5), 0 0 0 2px rgba(255,255,255,0.3);
  transition: var(--transition-default);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
}
.btn:hover {
  transform: scale(1.05) translateY(-5px);
  box-shadow: 0 20px 30px var(--gold-glow), 0 0 0 2px var(--white);
  background: #ffd966;
}

@keyframes float {
  0% { transform: translateY(0); }
  100% { transform: translateY(-15px); }
}

/* ---------- PARALLAX & GENERAL SECTION ---------- */
.parallax {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
section {
  padding: 5rem 2rem;
  position: relative;
}
.container {
  max-width: 1300px;
  margin: 0 auto;
}

/* ---------- ABOUT 3D CARDS ---------- */
.about-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 2rem;
}
.card-3d {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: 32px;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-default);
  transform-style: preserve-3d;
  transform: perspective(800px) rotateX(0deg) rotateY(0deg) scale(1);
  border: 1px solid rgba(255,255,255,0.6);
  backdrop-filter: blur(4px);
}
.card-3d:hover {
  transform: perspective(800px) rotateX(2deg) rotateY(4deg) scale(1.02) translateY(-12px);
  box-shadow: var(--shadow-3d), 0 0 0 2px var(--gold);
}
.card-3d h3 {
  font-size: 2rem;
  color: var(--navy);
  margin-bottom: 1rem;
}
.card-3d h3 span {
  color: var(--gold);
}
.card-3d p {
  color: #333;
}

/* ---------- CAMPUSES 3D CARDS ---------- */
.campuses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.campus-card {
  background: var(--white);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-default);
  transform: translateY(0) scale(1);
}
.campus-card:hover {
  transform: translateY(-20px) scale(1.02) rotate(1deg);
  box-shadow: var(--shadow-3d), 0 0 0 2px var(--gold);
}
.campus-img {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.campus-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--navy), transparent);
}
.campus-info {
  padding: 1.8rem;
  background: white;
}
.campus-info h3 {
  color: var(--navy);
  margin-bottom: 0.6rem;
}

/* ---------- FACULTY GRID ---------- */
.faculty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 3rem 2rem;
  text-align: center;
}
.faculty-item {
  transition: var(--transition-default);
}
.faculty-item:hover {
  transform: translateY(-10px);
}
.faculty-img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  background: linear-gradient(145deg, var(--navy), #132956);
  box-shadow: 0 20px 25px -8px rgba(0,0,0,0.4), 0 0 0 4px var(--gold), 0 0 0 6px white;
  transition: var(--transition-default);
  background-size: cover;
  background-position: center;
}
.faculty-item:hover .faculty-img {
  box-shadow: 0 30px 30px -8px black, 0 0 0 6px var(--gold), 0 0 30px var(--gold);
}

/* ---------- CMS 3D LOGIN CARDS ---------- */
.cms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}
.login-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: var(--glass-border);
  border-radius: 32px;
  padding: 3rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-default);
  transform: perspective(800px) rotateY(0deg);
  color: var(--navy);
  background: rgba(255,255,255,0.7);
}
.login-card:hover {
  transform: perspective(800px) rotateY(5deg) translateY(-15px) scale(1.03);
  box-shadow: var(--shadow-3d), 0 0 0 2px var(--gold);
  background: white;
}
.login-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}
.login-card h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
}
.login-btn {
  background: var(--navy);
  color: white;
  border: none;
  padding: 0.8rem 2.2rem;
  border-radius: 40px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-default);
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}
.login-btn:hover {
  background: var(--gold);
  color: var(--navy);
  transform: scale(1.1);
  box-shadow: 0 10px 20px var(--gold);
}

/* ---------- CONTACT SECTION ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(8px);
  border-radius: 48px;
  padding: 2.5rem;
  box-shadow: var(--shadow-soft);
  border: var(--glass-border);
}
.form-group {
  margin-bottom: 1.5rem;
}
input, textarea {
  width: 100%;
  padding: 1rem 1.2rem;
  border: 1px solid #ccc;
  border-radius: 30px;
  font-family: inherit;
  transition: var(--transition-default);
  background: white;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px var(--gold-glow);
}
.map-placeholder {
  background: #e0e6f0;
  border-radius: 36px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background-image: radial-gradient(circle at 20px 20px, #b0c0d0 2px, transparent 2px), linear-gradient(var(--navy), var(--navy));
  background-size: 40px 40px, cover;
  color: white;
  font-weight: 500;
  text-shadow: 0 2px 5px black;
  border: 4px solid var(--gold);
}

/* ---------- FOOTER ---------- */
footer {
  background: var(--navy);
  color: white;
  padding: 3rem 2rem;
  text-align: center;
  border-top: 5px solid var(--gold);
}
.social-icons {
  display: flex;
  gap: 2rem;
  justify-content: center;
  margin: 1.5rem 0;
}
.social-icons span {
  font-size: 2rem;
  filter: drop-shadow(0 0 8px var(--gold));
  transition: var(--transition-default);
}
.social-icons span:hover {
  transform: scale(1.2) translateY(-5px);
  color: var(--gold);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 992px) {
  .navbar { flex-direction: column; padding: 0.8rem; }
  .nav-menu { gap: 0.8rem; justify-content: center; }
  .about-cards, .cms-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .slide-content h1 { font-size: 3.5rem; }
  .nav-menu { display: none; } /* simplified for demo */
  .navbar { justify-content: center; }
  .about-cards, .campuses-grid, .faculty-grid, .cms-grid, .contact-grid { grid-template-columns: 1fr; }
  .contact-grid { gap: 2rem; }
}

/* ---------- UTILITY ---------- */
.text-gold { color: var(--gold); }
.bg-navy { background: var(--navy); }