/* ==========================================================================
   DELTA ENGLISH LANGUAGE & COMPUTER ACADEMY - OFFICIAL STYLESHEET
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS VARIABLES & COLOR SYSTEM
   -------------------------------------------------------------------------- */
:root {
  --primary: #1E40AF;
  --secondary: #2563EB;
  --primary-light: #EFF6FF;
  --accent: #F59E0B;
  --accent-light: #FEF3C7;
  --bg-color: #F8FAFC;
  --white: #FFFFFF;
  --text-dark: #0F172A;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1200px;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.06), 0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 12px -2px rgba(15, 23, 42, 0.08), 0 3px 6px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 16px 24px -4px rgba(15, 23, 42, 0.1), 0 6px 12px -4px rgba(15, 23, 42, 0.05);
  --shadow-hover: 0 20px 28px -6px rgba(30, 64, 175, 0.15), 0 8px 12px -4px rgba(30, 64, 175, 0.08);
  
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-dark);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button, input {
  font-family: inherit;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY & UTILITIES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  font-weight: 450;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.85rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(30, 64, 175, 0.28);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1d3a9e 0%, #1d4ed8 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(30, 64, 175, 0.38);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--primary);
  border-color: #CBD5E1;
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--primary-light);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-whatsapp-hero {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp-hero:hover {
  background: linear-gradient(135deg, #20bd5a 0%, #0e7267 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

.btn-phone {
  background-color: #10B981;
  color: var(--white);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.btn-phone:hover {
  background-color: #059669;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
}

.btn-phone-secondary {
  background-color: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.btn-phone-secondary:hover {
  background-color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(30, 64, 175, 0.35);
}

.btn-whatsapp-footer {
  background-color: #25D366;
  color: var(--white);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp-footer:hover {
  background-color: #128C7E;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35);
}

.btn-facebook {
  background-color: #1877F2;
  color: var(--white);
  box-shadow: 0 4px 12px rgba(24, 119, 242, 0.25);
}

.btn-facebook:hover {
  background-color: #0D65D9;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(24, 119, 242, 0.35);
}

/* --------------------------------------------------------------------------
   4. NAVIGATION (THREE-DOT ANIMATED NAVIGATION)
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

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

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  position: relative;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo img {
  height: 44px;
  width: 44px;
  object-fit: contain;
}

.brand-name-compact {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.01em;
  line-height: 1.1;
  white-space: nowrap;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  background-color: var(--primary-light);
  border: 1px solid rgba(30, 64, 175, 0.15);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Animated Three-Dot Navigation Button (Mobile & Desktop) */
.threedot-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background-color: rgba(29, 78, 216, 0.06);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1001;
}

.threedot-btn:hover {
  background-color: rgba(29, 78, 216, 0.12);
  border-color: var(--primary);
  transform: scale(1.04);
}

.threedot-btn .dot {
  width: 5px;
  height: 5px;
  background-color: var(--primary);
  border-radius: 50%;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Three-dot animation when menu is expanded */
.threedot-btn.active .dot-1 {
  transform: translateY(10px) rotate(45deg);
  border-radius: 2px;
  width: 22px;
  height: 3px;
  background-color: var(--accent);
}

.threedot-btn.active .dot-2 {
  opacity: 0;
  transform: scale(0);
}

.threedot-btn.active .dot-3 {
  transform: translateY(-10px) rotate(-45deg);
  border-radius: 2px;
  width: 22px;
  height: 3px;
  background-color: var(--accent);
}

/* Dropdown Navigation Menu */
.nav-dropdown {
  position: absolute;
  top: 85px;
  right: 1.5rem;
  width: 290px;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.15), 0 10px 15px -5px rgba(0, 0, 0, 0.05);
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px) scale(0.95);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
}

.nav-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.nav-dropdown-content {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-decoration: none;
}

.nav-item svg {
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}

.nav-item:hover {
  background-color: #EFF6FF;
  color: var(--primary);
  transform: translateX(4px);
}

.nav-item:hover svg {
  transform: scale(1.15);
}

.nav-dropdown-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 0.5rem 0;
}

.nav-dropdown-cta {
  width: 100%;
  font-size: 0.9rem;
  padding: 0.65rem 1rem;
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   5. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  padding-top: 150px;
  padding-bottom: 5rem;
  background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 60%, #EEF2FF 100%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  max-width: 650px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background-color: #10B981;
  border-radius: 50%;
}

/* Specified Main Title & Subtitle */
.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--text-dark);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 2.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-graphic {
  position: relative;
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  width: 100%;
  max-width: 440px;
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.hero-card-logo {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  object-fit: contain;
  background-color: var(--bg-color);
  padding: 0.25rem;
}

.hero-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-dark);
}

.hero-card-sub {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-card-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
}

.feature-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: rgba(29, 78, 216, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 0.75rem;
}

/* --------------------------------------------------------------------------
   6. ABOUT SECTION
   -------------------------------------------------------------------------- */
.about {
  background-color: var(--white);
}

.about-card {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
}

.about-text {
  font-size: 1.125rem;
  color: var(--text-dark);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about-text:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   7. VISION & MISSION SECTION (IDENTICAL DESIGN SYSTEM)
   -------------------------------------------------------------------------- */
.vm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.vm-card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.vm-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(29, 78, 216, 0.3);
}

.vm-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(29, 78, 216, 0.1) 0%, rgba(37, 99, 235, 0.15) 100%);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

.vm-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border-color);
}

.vm-quote-text {
  font-size: 1.15rem;
  color: var(--text-dark);
  line-height: 1.7;
  font-weight: 600;
  font-style: italic;
  position: relative;
  padding-left: 1.25rem;
  border-left: 4px solid var(--primary);
}

.vm-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 0;
}

.vm-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.5;
}

.vm-check {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

/* --------------------------------------------------------------------------
   8. WHY CHOOSE DELTA
   -------------------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.why-card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(30, 64, 175, 0.25);
}

.why-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.1) 0%, rgba(37, 99, 235, 0.15) 100%);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.why-icon svg {
  width: 26px;
  height: 26px;
  stroke-width: 2.2;
}

.why-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.why-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   9. COURSES SECTION (UNIFIED CARD DESIGN SYSTEM)
   -------------------------------------------------------------------------- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.75rem;
}

.course-card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(30, 64, 175, 0.25);
}

.course-card:hover::before {
  opacity: 1;
}

.course-card-body {
  margin-bottom: 1.25rem;
}

.course-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.course-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
}

.course-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* STARTING SOON Badge */
.badge-starting-soon {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--accent-light);
  color: #B45309;
  border: 1px solid #FCD34D;
  font-size: 0.725rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
}

.badge-starting-soon::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent);
}

/* Course Card Enroll Button */
.btn-course-enroll {
  width: 100%;
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: var(--white);
  font-weight: 700;
  font-size: 0.925rem;
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
  text-decoration: none;
  letter-spacing: -0.01em;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-course-enroll:hover {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.35);
}

/* --------------------------------------------------------------------------
   10. LEADERSHIP SECTION (NO DUPLICATION)
   -------------------------------------------------------------------------- */
.leadership {
  background-color: var(--white);
}

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
}

.leadership-card {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.leadership-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(29, 78, 216, 0.3);
}

.leadership-role {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.leadership-name {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.leadership-desc {
  font-size: 1.05rem;
  color: var(--text-dark);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   11. FACULTY / TEACHERS SECTION
   -------------------------------------------------------------------------- */
.teachers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.teacher-card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.teacher-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(29, 78, 216, 0.3);
}

.teacher-image-wrapper {
  width: 100%;
  height: 280px;
  background-color: #E2E8F0;
  overflow: hidden;
  position: relative;
}

.teacher-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s ease;
}

.teacher-card:hover .teacher-image {
  transform: scale(1.04);
}

.teacher-info {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.teacher-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 0.35rem;
}

.teacher-subject {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.teacher-qualification {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  background-color: var(--bg-color);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  align-self: flex-start;
}

.teacher-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   12. FAQ SECTION
   -------------------------------------------------------------------------- */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.faq-button {
  width: 100%;
  padding: 1.5rem;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.faq-button:hover {
  color: var(--primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--primary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  background-color: #FAF8FC;
}

.faq-body {
  padding: 0 1.5rem 1.5rem 1.5rem;
  font-size: 1rem;
  color: var(--text-dark);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   13. FOOTER / CONTACT SECTION (NO QUICK ACCESS LINKS)
   -------------------------------------------------------------------------- */
.footer {
  background-color: #0F172A;
  color: #94A3B8;
  padding-top: 5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid #1E293B;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
  align-items: start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.footer-brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
}

.footer-brand-sub {
  font-size: 0.75rem;
  color: #64748B;
  text-transform: uppercase;
  font-weight: 600;
}

.footer-brand-desc {
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-item.address-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: #CBD5E1;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-icon {
  color: #3B82F6;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.footer-actions-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--primary);
}

.contact-buttons-stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #1E293B;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: #64748B;
}

/* Scroll To Top */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--primary);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 900;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  background-color: var(--secondary);
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   14. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-graphic {
    justify-content: center;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .hero-title-main {
    font-size: 3rem;
  }
  
  .hero-title-sub {
    font-size: 1.4rem;
  }
  
  .section-title {
    font-size: 1.85rem;
  }

  .vm-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
  
  .about-card, .leadership-card, .vm-card {
    padding: 1.75rem;
  }
  
  .nav-dropdown {
    right: 1rem;
    left: 1rem;
    width: auto;
  }
}

@media (max-width: 480px) {
  .hero-title-main {
    font-size: 2.5rem;
  }

  .hero-title-sub {
    font-size: 1.25rem;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
  
  .leadership-grid, .why-grid, .courses-grid, .teachers-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-card {
    padding: 1.5rem;
  }
}
