:root {
  --color-primary: #007acc;
  --color-secondary: #004080;
  --color-bg-light: #f9f9f9;
  --color-bg-card: #f4f4f4;
  --color-bg-dark: #002f55;
  --color-text: #333;
  --color-text-light: #ccc;
  --color-white: #fff;
}

/* ==========================================================================
   1. RESET & BASE
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0; padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
  background: none;
  border: none;
}

/* ==========================================================================
   2. LAYOUT CONTAINERS
   ========================================================================== */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ==========================================================================
   3. OVERLAY NAV & MINI HEADER
   ========================================================================== */
.overlay-nav {
  position: fixed; top: 0; left: 0;
  width: 0; height: 100%;
  background: rgba(0,0,0,0.95);
  overflow-x: hidden;
  transition: width .3s ease;
  z-index: 1001;
}
.overlay-nav.open { width: 100%; }
.overlay-close {
  position: absolute; top: 1rem; right: 1.5rem;
  font-size: 2.5rem; color: var(--color-white);
}
.overlay-menu {
  height: 100%; display: flex;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 2rem;
}
.overlay-menu a {
  font-size: 2rem; color: var(--color-white);
  transition: color .2s;
}
.overlay-menu a:hover { color: var(--color-primary); }

.mini-header {
  position: fixed; top: 0; left: 0; right: 0;
  background: var(--color-white);
  padding: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
  display: flex; justify-content: space-between; align-items: center;
  z-index: 1000;
}
.logo {
  font-size: 1.5rem; font-weight: bold;
  color: var(--color-secondary);
}
.overlay-open {
  font-size: 1.8rem; color: var(--color-secondary);
}

/* ==========================================================================
   4. HERO & ANIMATIONS
   ========================================================================== */
.hero {
  min-height: 80vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; color: var(--color-white);
  padding: 0 1rem;
  background:
    linear-gradient(rgba(0,0,0,.4),rgba(0,0,0,.4)),
    url('../assets/images/hero.jpg') center/cover fixed no-repeat;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-content h1 {
  font-size: 2.5rem; margin-bottom: 1rem;
  animation: fadeInUp .8s ease-out both;
}
.hero-content p {
  font-size: 1.2rem; margin-bottom: 1.5rem;
  animation: fadeInUp 1.3s ease-out both;
}

/* Typewriter cursor */
.cursor {
  display: inline-block;
  animation: blink .7s infinite;
}
@keyframes blink {
  0%,50% { opacity: 1; }
  51%,100% { opacity: 0; }
}

/* ==========================================================================
   5. BUTTONS
   ========================================================================== */
.btn {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: .75rem 1.5rem;
  border-radius: 4px;
  transition: transform .2s, box-shadow .2s;
}
.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
}

/* ==========================================================================
   6. NAVIGATION (MOBILE)
   ========================================================================== */
.nav-toggle {
  display: none;
}
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
    font-size: 1.5rem;
    color: var(--color-secondary);
  }
  .site-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--color-secondary);
  }
  .site-nav.show { display: block; }
  .site-nav ul { flex-direction: column; }
}

/* ==========================================================================
   7. QUICK LINKS & CARD TILT
   ========================================================================== */
.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
  gap: 1rem;
  margin: 3rem 0;
}
.quick-links .card {
  background: var(--color-bg-card);
  padding: 1.5rem;
  border-radius: 4px;
  text-align: center;
  perspective: 1000px;
  transform-style: preserve-3d;
  transition: transform .3s, box-shadow .3s;
}
.quick-links .card:hover {
  transform: rotateY(10deg) scale(1.03);
  box-shadow: 0 8px 16px rgba(0,0,0,.2);
}

/* ==========================================================================
   8. SCROLL-REVEAL UTILITY
   ========================================================================== */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .6s ease-out, transform .6s ease-out;
}
.reveal.show {
  opacity: 1; transform: translateY(0);
}

/* ==========================================================================
   9. SECTIONS
   ========================================================================== */
.section {
  padding: 4rem 1rem;
}
.section.alt {
  background: var(--color-bg-light);
}
.section h2 {
  text-align: center; margin-bottom: 2rem;
}

/* ==========================================================================
 10. STAFF GRID & PROGRAM LIST
   ========================================================================== */
.staff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
  gap: 1rem;
  text-align: center;
}
.staff-member {
  transition: transform .3s, box-shadow .3s;
}
.staff-member:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 14px rgba(0,0,0,.15);
}
.staff-member img {
  width: 150px; height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: .5rem;
}
.staff-member h4 {
  margin: .5rem 0 .25rem;
  color: var(--color-secondary);
}
.program-list {
  list-style: disc inside;
  margin-top: 1rem;
}
.program-list li {
  margin-bottom: .5rem;
}

/* ==========================================================================
 11. ADMISSION UPDATES
   ========================================================================== */
.admission-updates-list {
  list-style: none; padding-left: 0;
}
.admission-updates-list li {
  position: relative; margin-bottom: .75rem; padding-left: 1.5rem;
}
.admission-updates-list li::before {
  content: "📅"; position: absolute; left: 0;
}

/* ==========================================================================
 12. MAP EMBED
   ========================================================================== */
.map-container {
  margin-top: 2rem;
}

/* ==========================================================================
 13. STATS GRID & COUNTERS
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(150px,1fr));
  gap: 2rem;
  text-align: center;
}
.stat h3 {
  font-size: 2rem; color: var(--color-primary); margin-bottom: .5rem;
}
.stat p {
  font-size: 1rem; color: var(--color-secondary);
}

/* ==========================================================================
 14. TESTIMONIAL SLIDER
   ========================================================================== */
.testimonials-section h2 {
  text-align: center; margin-bottom: 2rem;
}
.testimonial-slider {
  position: relative; overflow: hidden; height: 150px;
}
.testimonial-item {
  position: absolute; width: 100%;
  opacity: 0; transition: opacity .5s ease;
  text-align: center; font-style: italic;
}
.testimonial-item.active {
  opacity: 1;
}
.testimonial-item strong {
  display: block; margin-top: .5rem;
  color: var(--color-primary);
}

/* ==========================================================================
 15. FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: 3rem 1rem 1rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
  gap: 2rem; margin-bottom: 2rem;
}
.site-footer h4 {
  color: var(--color-white);
  margin-bottom: .75rem;
  font-size: 1.1rem;
}
.footer-col p,
.site-footer address,
.footer-col ul {
  font-size: .9rem; line-height: 1.5;
}
.footer-col ul {
  list-style: none; padding: 0;
}
.footer-col ul li {
  margin-bottom: .5rem;
}
.footer-col a {
  transition: color .3s;
}
.footer-col a:hover {
  color: var(--color-white);
}

/* Newsletter */
.newsletter form {
  display: flex; margin-bottom: 1rem;
}
.newsletter input {
  flex: 1; padding: .5rem; border: none;
  border-radius: 4px 0 0 4px; font-size: .9rem;
}
.newsletter button {
  padding: .5rem 1rem; background: var(--color-primary);
  color: var(--color-white); border-radius: 0 4px 4px 0;
  transition: background .3s ease;
}
.newsletter button:hover {
  background: darken(var(--color-primary), 10%);
}

/* Social icons */
.social-icons {
  display: flex; gap: .75rem;
}
.social-icons a {
  width: 32px; height: 32px; background-size: cover;
}
.icon-facebook { background-image: url('../assets/images/icon-facebook.svg'); }
.icon-twitter  { background-image: url('../assets/images/icon-twitter.svg'); }
.icon-instagram{ background-image: url('../assets/images/icon-instagram.svg'); }

/* Footer bottom */
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--color-primary);
  padding-top: 1rem; font-size: .85rem;
}
.back-to-top {
  color: var(--color-primary); transition: color .3s;
}
.back-to-top:hover {
  color: var(--color-white);
}
@media (max-width: 600px) {
  .footer-bottom {
    flex-direction: column; gap: .5rem;
  }
}

/* ==========================================================================
 16. ABOUT PAGE SPECIFICS
   ========================================================================== */
.sub-hero {
  min-height: 40vh;
  background-position: center 30%;
}
.about-mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
  gap: 2rem; margin-top: 2rem;
}
.about-mission-grid h3 {
  color: var(--color-secondary); margin-bottom: .5rem;
}
.timeline {
  position: relative; margin: 4rem 0; padding: 0 1rem;
}
.timeline::before {
  content: ''; position: absolute; top: 0; left: 50%;
  width: 4px; height: 100%; background: var(--color-primary);
  transform: translateX(-50%);
}
.timeline-item {
  position: relative; width: 45%;
  padding: 1rem 1.5rem; background: var(--color-bg-card);
  border-radius: 4px; margin: 2rem 0;
}
.timeline-item:nth-child(even) { left: 55%; }
.timeline-item:nth-child(odd)  { left: 0; }
.timeline-item::before {
  content: ''; position: absolute; top: 1rem;
  width: 12px; height: 12px; background: var(--color-primary);
  border: 3px solid var(--color-white); border-radius: 50%;
  left: -32px;
}
.timeline-item:nth-child(even)::before {
  left: auto; right: -32px;
}