/* ═══════════════════════════════════════════════════════════
   SciConnect · High School Science Project Exchange
   Design System — Deep Blue + Purple Gradient + Cyan Accent
   ═══════════════════════════════════════════════════════════ */

/* ─── CSS Variables ─── */
:root {
  --primary: #1A237E;
  --primary-light: #283593;
  --secondary: #00BCD4;
  --accent: #7C4DFF;
  --accent-light: #B388FF;
  --warm: #FF6F00;
  --warm-light: #FFB74D;
  --dark: #0D47A1;
  --bg: #0A0E27;
  --bg-light: #12163A;
  --surface: rgba(255,255,255,0.06);
  --surface-hover: rgba(255,255,255,0.1);
  --glass: rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.12);
  --text: #FFFFFF;
  --text-muted: rgba(255,255,255,0.6);
  --text-dim: rgba(255,255,255,0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 8px 32px rgba(0,0,0,0.3);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, 'Noto Sans SC', sans-serif;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-light); }
img { max-width: 100%; display: block; }
::selection { background: var(--accent); color: #fff; }

/* ─── Container ─── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ─── Glass Effect ─── */
.glass {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

/* ─── Section ─── */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--secondary), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.section-desc { color: var(--text-muted); font-size: 1.05rem; }
.section-footer { text-align: center; margin-top: 40px; }

/* ─── Navigation ─── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text) !important;
}
.logo-icon { font-size: 1.5rem; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-muted) !important;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--text) !important;
  background: var(--surface);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
}
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none !important;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff !important;
  box-shadow: 0 4px 20px rgba(124, 77, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 77, 255, 0.4);
}
.btn-secondary {
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  color: var(--text) !important;
}
.btn-secondary:hover {
  background: var(--surface-hover);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent) !important;
}
.btn-outline:hover {
  background: var(--accent);
  color: #fff !important;
  transform: translateY(-2px);
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--bg) 80%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
  animation: fadeUp 1s ease-out;
}
.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 20px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.75rem;
  animation: bounce 2s infinite;
}
.scroll-arrow { font-size: 1.2rem; }

/* ─── Stats ─── */
.stats-section {
  padding: 60px 0;
  position: relative;
  z-index: 2;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card {
  text-align: center;
  padding: 32px 20px;
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); }
.stat-number { font-size: 2.5rem; font-weight: 800; margin-bottom: 8px; background: linear-gradient(135deg, var(--secondary), var(--accent-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { color: var(--text-muted); font-size: 0.95rem; }

/* ─── Project Cards ─── */
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }
.project-card {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.project-card-image {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}
.project-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(10,14,39,0.9));
}
.project-icon { position: relative; z-index: 1; }
.project-card-body { padding: 20px; }
.project-card-meta { display: flex; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.subject-tag {
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.subject-tag.physics { background: rgba(26,35,126,0.3); color: #7986CB; }
.subject-tag.chemistry { background: rgba(124,77,255,0.3); color: #B388FF; }
.subject-tag.biology { background: rgba(0,188,212,0.3); color: #4DD0E1; }
.project-card-body h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
.project-card-body p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.read-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--secondary) !important;
  margin-bottom: 12px;
  transition: var(--transition);
}
.read-more-btn:hover { color: var(--accent-light) !important; gap: 8px; }

.project-card-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 12px; border-top: 1px solid var(--glass-border); font-size: 0.82rem; color: var(--text-dim); }
.project-card-footer span { display: flex; align-items: center; gap: 4px; }
.project-card-footer .delete-btn {
  background: rgba(239,83,80,0.15); border: 1px solid rgba(239,83,80,0.3);
  cursor: pointer; font-size: 1rem; padding: 4px 10px;
  border-radius: 8px; transition: var(--transition); color: #EF5350;
  display: inline-flex; align-items: center; gap: 4px;
}
.project-card-footer .delete-btn:hover {
  background: rgba(239,83,80,0.35); border-color: #EF5350;
  transform: scale(1.05);
}

/* ─── Delete Admin Dialog ─── */
.delete-overlay {
  display: none; position: fixed; inset: 0; z-index: 3000;
  background: rgba(0,0,0,0.7); align-items: center; justify-content: center;
  padding: 24px;
}
.delete-dialog {
  width: 100%; max-width: 420px; padding: 32px; position: relative;
}
.delete-dialog h3 { font-size: 1.15rem; margin-bottom: 4px; }

/* Password show/hide toggle */
.password-wrapper { position: relative; }
.password-wrapper input { width: 100%; padding-right: 44px !important; }
.password-toggle {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 1.1rem;
  padding: 6px 10px; border-radius: 6px; transition: var(--transition);
  color: var(--text-muted);
}
.password-toggle:hover { background: var(--surface); color: var(--text); }

.delete-close {
  position: absolute; top: 12px; right: 16px; font-size: 1.5rem;
  background: none; border: none; color: var(--text-dim); cursor: pointer;
}
.delete-close:hover { color: var(--text); }
.delete-error {
  color: #EF5350; font-size: 0.85rem; margin-bottom: 12px; padding: 8px 12px;
  background: rgba(239,83,80,0.1); border-radius: 8px;
}
.delete-actions { display: flex; gap: 12px; justify-content: flex-end; }
.btn-danger {
  background: linear-gradient(135deg, #C62828, #E53935);
  color: #fff !important; border: none;
}
.btn-danger:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(229,57,53,0.4); }
.btn-xs { padding: 6px 14px; font-size: 0.8rem; }

/* ─── Contact Messages Admin ─── */
.view-msg-btn { width: 100%; justify-content: center; margin-top: 12px; }
.msg-toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.msg-toolbar h3 { flex: 1; }
.msg-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px; margin-bottom: 10px;
  background: var(--surface); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); transition: var(--transition);
}
.msg-item:hover { border-color: var(--accent); }
.msg-checkbox {
  position: relative; width: 20px; height: 20px;
  cursor: pointer; margin-top: 2px; flex-shrink: 0;
}
.msg-checkbox input { position: absolute; opacity: 0; cursor: pointer; }
.checkmark {
  position: absolute; inset: 0;
  border: 2px solid var(--glass-border); border-radius: 4px;
  background: transparent; transition: var(--transition);
}
.msg-checkbox input:checked ~ .checkmark {
  background: var(--accent); border-color: var(--accent);
}
.msg-checkbox input:checked ~ .checkmark::after {
  content: '✓'; position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.75rem; font-weight: 700;
}
.msg-content { flex: 1; min-width: 0; }
.msg-header { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; margin-bottom: 6px; }
.msg-header strong { font-size: 0.9rem; }
.msg-email { font-size: 0.8rem; color: var(--secondary); }
.msg-date { font-size: 0.75rem; color: var(--text-dim); margin-left: auto; }
.msg-body { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; word-break: break-word; }

/* ─── Timeline ─── */
.timeline { position: relative; max-width: 700px; margin: 0 auto; }
.timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--secondary), var(--accent));
}
.timeline-item {
  position: relative;
  padding-left: 60px;
  padding-bottom: 36px;
  animation: fadeUp 0.6s ease-out forwards;
  opacity: 0;
}
.timeline-dot {
  position: absolute;
  left: 16px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline-date { font-size: 0.82rem; color: var(--accent-light); font-weight: 600; margin-bottom: 4px; }
.timeline-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 4px; }
.timeline-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* ─── Page Header ─── */
.page-hero {
  padding: 50px 0 25px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,14,39,0.45) 0%, rgba(10,14,39,0.6) 100%);
  z-index: 1;
}
.page-hero .container { position: relative; z-index: 2; }
.page-title { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 6px; }
.page-subtitle { color: var(--text-muted); font-size: 0.95rem; }

/* Page-specific hero background images */
.page-hero.about-hero {
  background-image: url('../images/about-hero.png');
}
.page-hero.projects-hero {
  background-image: url('../images/projects-hero.png');
}
.page-hero.gallery-hero {
  background-image: url('../images/gallery-hero.png');
}
.page-hero.submit-hero {
  background-image: url('../images/submit-hero.png');
}
.page-hero.inter-school-hero {
  background-image: url('../images/inter-school-hero.png');
}
.page-hero.contact-hero {
  background-image: url('../images/contact-hero.png');
}

.page { display: none; animation: fadeIn 0.4s ease-out; }
.page.active { display: block; }
.page .container { padding-bottom: 80px; }

/* ─── About ─── */
.mission-section { text-align: center; padding: 48px; margin-bottom: 60px; }
.mission-icon { font-size: 3rem; margin-bottom: 16px; }
.mission-section h2 { font-size: 1.6rem; margin-bottom: 16px; }
.mission-section p { color: var(--text-muted); max-width: 600px; margin: 0 auto; line-height: 1.8; }

.story-timeline { max-width: 600px; margin: 0 auto 60px; }
.story-item { display: flex; gap: 20px; padding: 16px 0; border-left: 2px solid var(--glass-border); padding-left: 24px; position: relative; }
.story-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--secondary);
}
.story-year { font-size: 0.85rem; color: var(--secondary); font-weight: 700; min-width: 80px; }
.story-content h4 { font-size: 1rem; margin-bottom: 4px; }
.story-content p { font-size: 0.88rem; color: var(--text-muted); }

.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 20px; margin-bottom: 60px; }
.team-card {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px 16px;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.team-emoji { font-size: 2.5rem; margin-bottom: 12px; }
.team-card h4 { font-size: 0.95rem; margin-bottom: 4px; }
.team-card p { font-size: 0.82rem; color: var(--text-muted); }

.data-overview { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 36px; margin-bottom: 60px; }
.data-item { text-align: center; }
.data-num { font-size: 2rem; font-weight: 800; display: block; background: linear-gradient(135deg, var(--secondary), var(--accent-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.data-lbl { font-size: 0.85rem; color: var(--text-muted); }

/* ─── Projects Toolbar ─── */
.project-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.search-box {
  flex: 1;
  min-width: 200px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
}
.search-box input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
}
.search-box input::placeholder { color: var(--text-dim); }
.char-count { font-size: 0.75rem; color: var(--text-dim); font-weight: 400; }
.filter-group { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-btn {
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--secondary); color: var(--text); }
.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-color: transparent;
  color: #fff;
}
.sort-select {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 8px 12px;
  font-family: var(--font);
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
}

/* ─── Gallery ─── */
.gallery-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; justify-content: center; }
.gallery-masonry {
  columns: 3;
  column-gap: 16px;
}
.gallery-item {
  break-inside: avoid;
  margin-bottom: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.gallery-item:hover { transform: scale(1.02); }
.gallery-item-inner {
  aspect-ratio: auto;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
}
.gallery-item-inner .gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay p { color: #fff; font-size: 0.85rem; }

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  inset: 0;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 40px;
}
.lightbox.active { display: flex; }
.lightbox-content { max-width: 90%; max-height: 80vh; border-radius: var(--radius); }
.lightbox-caption { color: var(--text-muted); margin-top: 16px; font-size: 0.95rem; }
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 2.5rem;
  color: #fff;
  cursor: pointer;
}

/* ─── Submit Form ─── */
.submit-form { max-width: 800px; margin: 0 auto; padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 8px; color: var(--text-muted); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,77,255,0.15);
}
.form-group select option { background: var(--bg); }
.form-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.file-upload-area {
  border: 2px dashed var(--glass-border);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}
.file-upload-area:hover { border-color: var(--accent); background: var(--surface); }
.file-upload-icon { font-size: 2.5rem; margin-bottom: 8px; }
.upload-link { color: var(--secondary); font-weight: 600; }
.file-preview { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.file-preview-item { padding: 4px 12px; background: var(--surface); border-radius: 8px; font-size: 0.82rem; }

/* Cover image upload */
.cover-upload-area {
  border: 2px dashed var(--glass-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}
.cover-upload-area:hover { border-color: var(--accent); background: var(--surface); }
.cover-upload-icon { font-size: 2rem; margin-bottom: 6px; }
.cover-upload-area p { font-size: 0.85rem; color: var(--text-muted); }
.upload-hint { display: block; font-size: 0.75rem; color: var(--text-dim); margin-top: 4px; }
.cover-preview { margin-top: 12px; }
.cover-thumb { max-width: 200px; max-height: 120px; border-radius: 8px; border: 2px solid var(--accent); object-fit: cover; }
.file-error { font-size: 0.82rem; color: #EF5350; }

.project-card-image img { width: 100%; height: 100%; object-fit: cover; }

.btn-submit { width: 100%; justify-content: center; margin-top: 8px; }
.submit-success { text-align: center; padding: 60px 20px; }
.success-icon { font-size: 4rem; margin-bottom: 16px; }

/* ─── Calendar ─── */
.calendar-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; margin-bottom: 60px; }
.calendar-card {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 16px;
  transition: var(--transition);
}
.calendar-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.calendar-date { text-align: center; min-width: 60px; }
.calendar-day { font-size: 1.6rem; font-weight: 800; display: block; }
.calendar-month { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; }
.calendar-info h4 { font-size: 0.95rem; margin-bottom: 4px; }
.calendar-type {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
}
.calendar-type.internal { background: rgba(0,188,212,0.2); color: var(--secondary); }
.calendar-type.inter-school { background: rgba(124,77,255,0.2); color: var(--accent-light); }

/* ─── Schools Grid ─── */
.schools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; margin-bottom: 60px; }
.school-card {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  transition: var(--transition);
}
.school-card:hover { transform: translateY(-4px); }
.school-code {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}
.school-card h4 { font-size: 0.95rem; }

/* ─── Joint Projects ─── */
.joint-projects { display: grid; gap: 16px; margin-bottom: 60px; }
.joint-card {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}
.joint-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.joint-card h4 { font-size: 1rem; margin-bottom: 4px; }
.joint-schools { font-size: 0.82rem; color: var(--secondary); font-weight: 600; margin-bottom: 8px; }
.joint-card p { font-size: 0.88rem; color: var(--text-muted); }

/* ─── Contact ─── */
.contact-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; margin-bottom: 60px; }
.contact-form { padding: 32px; }
.contact-form h3 { font-size: 1.2rem; margin-bottom: 20px; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card { padding: 24px; text-align: center; transition: var(--transition); }
.contact-card:hover { transform: translateY(-3px); }
.contact-icon { font-size: 2rem; margin-bottom: 8px; }
.contact-card h4 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-card p { font-size: 0.85rem; color: var(--text-muted); }

.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--accent); }
.faq-question {
  padding: 16px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-arrow { font-size: 0.8rem; transition: var(--transition); }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 20px 16px; }

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 48px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-brand .logo-icon { font-size: 1.5rem; }
.footer-brand .logo-text { font-size: 1.2rem; font-weight: 700; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); }
.footer-links h4 { font-size: 0.9rem; margin-bottom: 12px; }
.footer-links a { display: block; font-size: 0.85rem; color: var(--text-muted) !important; margin-bottom: 8px; }
.footer-links a:hover { color: var(--secondary) !important; }
.footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid var(--glass-border); }
.footer-bottom p { font-size: 0.82rem; color: var(--text-dim); }

/* ─── Animations ─── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10,14,39,0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--glass-border);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: 1fr; }
  .gallery-masonry { columns: 2; }
  .form-row { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .data-overview { grid-template-columns: repeat(2, 1fr); }
  .project-toolbar { flex-direction: column; align-items: stretch; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
}

@media (max-width: 480px) {
  .gallery-masonry { columns: 1; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}