/* ===== CSS Variables / Design Tokens ===== */
:root {
  --primary: #1a3a5c;
  --primary-dark: #0f2440;
  --primary-light: #2d5f8a;
  --accent: #c0392b;
  --accent-light: #e74c3c;
  --gold: #d4a017;
  --gold-light: #f1c40f;
  --bg-primary: #ffffff;
  --bg-secondary: #f4f6f8;
  --bg-tertiary: #eaeef2;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a5a;
  --text-light: #7a7a8a;
  --border-color: #dde2e8;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 4px;
}

/* ===== Top Bar ===== */
.top-bar {
  background: var(--primary-dark);
  color: #fff;
  padding: 8px 0;
  font-size: 0.85rem;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.top-bar-left {
  display: flex;
  gap: 20px;
  align-items: center;
}

.top-bar-left span {
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0.9;
}

.top-bar-right {
  display: flex;
  gap: 12px;
}

.top-bar-right a {
  width: 30px;
  height: 30px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.top-bar-right a:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

/* ===== Header / Navbar ===== */
.header {
  background: var(--bg-primary);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  padding-bottom: 12px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
  font-family: var(--font-heading);
  flex-shrink: 0;
}

.logo-text h1 {
  font-size: 1.15rem;
  color: var(--primary);
  letter-spacing: 0.5px;
}

.logo-text p {
  font-size: 0.72rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Navigation */
.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}

.nav-links a {
  display:inline-block;
  padding: 8px 16px;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: var(--bg-secondary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: transform var(--transition-normal);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
  background: none;
  border: none;
}

.hamburger span {
  width: 26px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 58, 92, 0.85), rgba(15, 36, 64, 0.7));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 700px;
  padding: 40px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.2);
  animation: fadeInUp 0.8s ease forwards;
}

.hero-badge span.dot {
  width: 8px;
  height: 8px;
  background: #2ecc71;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

.hero h2 {
  font-size: 3.2rem;
  font-weight: 800;
  margin-bottom: 18px;
  line-height: 1.15;
  animation: fadeInUp 0.8s ease 0.1s forwards;
  opacity: 0;
}

.hero h2 span {
  color: var(--gold-light);
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 32px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s forwards;
  opacity: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(192, 57, 43, 0.35);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(192, 57, 43, 0.45);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.2);
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--gold-light);
}

.hero-stat .label {
  font-size: 0.82rem;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== Section Common ===== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header .section-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(26, 58, 92, 0.08), rgba(26, 58, 92, 0.04));
  color: var(--primary);
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 14px;
  border: 1px solid rgba(26, 58, 92, 0.1);
}

.section-header h2 {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section-header .underline {
  width: 60px;
  height: 3px;
  background: linear-gradient(to right, var(--accent), var(--gold));
  margin: 16px auto 0;
  border-radius: 2px;
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-image .exp-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  padding: 20px 28px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.exp-badge .number {
  font-size: 2.4rem;
  font-weight: 800;
  font-family: var(--font-heading);
  display: block;
}

.exp-badge .text {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.9;
}

.about-content h3 {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 0.98rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.about-feature:hover {
  background: var(--bg-tertiary);
  transform: translateX(4px);
}

.about-feature .icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* ===== Subjects Section ===== */
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.subject-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.subject-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.subject-card:hover::before {
  transform: scaleX(1);
}

.subject-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.subject-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(26, 58, 92, 0.08), rgba(26, 58, 92, 0.03));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
  color: var(--primary);
}

.subject-card h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.subject-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.subject-card .duration {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 5px 12px;
  background: var(--bg-secondary);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 500;
}

/* ===== Staff Section ===== */
.staff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.staff-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  text-align: center;
}

.staff-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.staff-photo {
  width: 100%;
  height: 280px;
  overflow: hidden;
  position: relative;
  background: var(--bg-tertiary);
}

.staff-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.staff-card:hover .staff-photo img {
  transform: scale(1.05);
}

.staff-info {
  padding: 22px 20px;
}

.staff-info h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 4px;
}

.staff-info .designation {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 4px;
}

.staff-info .department {
  font-size: 0.82rem;
  color: var(--text-light);
}

.staff-info .qualification {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
}

/* ===== Gallery Section ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 16px 16px;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: #fff;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-caption {
  transform: translateY(0);
}

.gallery-caption h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

.gallery-caption p {
  font-size: 0.8rem;
  opacity: 0.85;
}

/* Gallery Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 40px;
  animation: fadeIn 0.3s ease;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.2);
  transform: rotate(90deg);
}

/* ===== Contact Section ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  padding: 40px;
  color: #fff;
}

.contact-info h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.contact-info > p {
  opacity: 0.85;
  font-size: 0.92rem;
  margin-bottom: 32px;
}

.contact-detail {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.contact-detail .icon-box {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-detail h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.contact-detail p {
  font-size: 0.88rem;
  opacity: 0.85;
}

.contact-form-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.contact-form-card h3 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all var(--transition-normal);
}

.btn-submit:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(26, 58, 92, 0.3);
}

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: #fff;
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-about .logo-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-about .logo-footer .icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-heading);
}

.footer-about .logo-footer span {
  font-weight: 700;
  font-size: 1.1rem;
  font-family: var(--font-heading);
}

.footer-about p {
  font-size: 0.88rem;
  opacity: 0.75;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}

.footer-social a:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.88rem;
  opacity: 0.75;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a:hover {
  opacity: 1;
  transform: translateX(4px);
  color: var(--gold-light);
}

.footer-col ul li a::before {
  content: '›';
  font-size: 1.1rem;
}

.footer-contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  align-items: flex-start;
}

.footer-contact-item .fc-icon {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.footer-contact-item p {
  font-size: 0.85rem;
  opacity: 0.75;
  line-height: 1.5;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.82rem;
  opacity: 0.6;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Marquee / Notice Bar ===== */
.notice-bar {
  background: linear-gradient(to right, var(--gold), var(--gold-light));
  padding: 10px 0;
  overflow: hidden;
}

.marquee {
  display: flex;
  animation: marquee 25s linear infinite;
  white-space: nowrap;
}

.marquee span {
  padding: 0 50px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--primary-dark);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .hero h2 {
    font-size: 2.4rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image .exp-badge {
    bottom: 15px;
    right: 15px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .staff-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 80px 30px 30px;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-normal);
    gap: 4px;
    z-index: 1000;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
  }

  .nav-links a::after {
    display: none;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
  }

  .mobile-overlay.active {
    display: block;
  }

  .hero {
    min-height: 70vh;
  }

  .hero h2 {
    font-size: 1.9rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat .number {
    font-size: 1.5rem;
  }

  .section {
    padding: 50px 0;
  }

  .section-header h2 {
    font-size: 1.7rem;
  }

  .subjects-grid {
    grid-template-columns: 1fr;
  }

  .staff-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero h2 {
    font-size: 1.6rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 20px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .hero-stat {
    flex: 1;
    min-width: 80px;
  }
}