/* ==========================================================================
   Global Reset & Variables
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary-blue: #003B73;
  --secondary-blue: #002D57;
  --light-bg: #E8F1F5;
  --text-dark: #2C3E50;
  --text-light: #666666;
  --white: #FFFFFF;
  --accent-green: #27AE60;
}

html, body {
  width: 100%;
  overflow-x: hidden;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  background-color: #FFFFFF;
  line-height: 1.6;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  background-color: var(--primary-blue);
  text-align: center;
  padding: 20px 15px;
  width: 100%;
}

.logo-container {
  background-color: var(--white);
  display: inline-block;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 15px;
  max-width: 100%;
}

.logo-container img {
  max-width: 320px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.site-title {
  color: var(--white);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 15px;
}

.main-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--white);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 5px 10px;
  transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: #2ECC71;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-banner {
  background-color: var(--light-bg);
  text-align: center;
  padding: 40px 20px;
  width: 100%;
}

.hero-banner h1 {
  color: var(--primary-blue);
  font-size: 26px;
  margin-bottom: 15px;
}

.hero-banner p {
  max-width: 700px;
  margin: 0 auto;
  color: var(--text-dark);
  font-size: 15px;
}

/* ==========================================================================
   Main Content Layout
   ========================================================================== */
.main-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

.content-section {
  margin-bottom: 35px;
}

.content-section h2 {
  color: var(--text-dark);
  font-size: 22px;
  margin-bottom: 15px;
}

.content-section p {
  color: var(--text-light);
  font-size: 15px;
  margin-bottom: 15px;
}

/* Bullet list styling */
.custom-list {
  list-style-type: disc;
  padding-left: 25px;
  margin-bottom: 25px;
}

.custom-list li {
  margin-bottom: 10px;
  color: var(--text-dark);
}

/* Cards (Programme page) */
.card-grid {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 20px;
}

.info-card {
  background-color: #F8FAFC;
  border-left: 4px solid var(--primary-blue);
  padding: 20px;
  border-radius: 4px;
}

.info-card h3 {
  color: var(--primary-blue);
  font-size: 17px;
  margin-bottom: 10px;
}

/* Forms (Contact page) */
.contact-card {
  background-color: #F8FAFC;
  border-left: 4px solid var(--primary-blue);
  padding: 20px;
  border-radius: 4px;
  margin-bottom: 30px;
}

.contact-card p {
  margin-bottom: 8px;
  color: var(--text-dark);
}

.contact-card a {
  color: var(--primary-blue);
  text-decoration: underline;
}

.contact-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--text-dark);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #CCC;
  border-radius: 4px;
  margin-bottom: 15px;
  font-family: inherit;
  font-size: 14px;
}

.contact-form button {
  background-color: var(--primary-blue);
  color: var(--white);
  border: none;
  padding: 12px 25px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
}

/* ==========================================================================
   Interactive Gallery Grid & Hover Animations
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.gallery-item {
  border: 2px solid #333;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  background-color: #000;
  /* Smooth animation transitions */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  will-change: transform;
}

/* Interactive Hover Lift & Shadow */
.gallery-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
}

.gallery-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, opacity 0.3s ease;
}

/* Zoom Image Inside Container on Hover */
.gallery-item:hover img {
  transform: scale(1.08);
  opacity: 0.95;
}

/* Lightbox Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 999999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.88);
  justify-content: center;
  align-items: center;
  touch-action: pan-y; /* Optimize for mobile touch gestures */
}

.modal-content {
  position: relative;
  max-width: 90%;
  max-height: 85vh;
}

.modal-content img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}

.close-modal {
  position: absolute;
  top: -40px;
  right: 0;
  color: white;
  font-size: 32px;
  cursor: pointer;
  user-select: none;
  transition: color 0.2s;
}

.close-modal:hover {
  color: #2ECC71;
}

.modal-prev, .modal-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 30px;
  background: rgba(0,0,0,0.6);
  padding: 10px 15px;
  cursor: pointer;
  border-radius: 4px;
  user-select: none;
  transition: background 0.2s, transform 0.2s;
}

.modal-prev:hover, .modal-next:hover {
  background: rgba(0,0,0,0.9);
}

.modal-prev { left: -50px; }
.modal-next { right: -50px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--primary-blue);
  color: var(--white);
  text-align: center;
  padding: 20px 15px;
  width: 100%;
  margin-top: 40px;
}

.site-footer p {
  font-size: 13px;
}

/* ==========================================================================
   Mobile Responsive Adjustments
   ========================================================================== */
@media (max-width: 768px) {
  .logo-container img {
    max-width: 200px;
  }

  .main-nav {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .main-nav a {
    display: block;
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .main-nav a:last-child {
    border-bottom: none;
  }

  .main-container {
    padding: 25px 15px;
  }

  .modal-prev { left: 10px; }
  .modal-next { right: 10px; }
  .close-modal { right: 10px; top: -45px; }
}