/* Buttons & Interactive Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary-blue);
  color: var(--color-white) !important;
  border-color: var(--color-primary-blue);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-primary-blue) !important;
  border-color: var(--color-primary-blue);
}

.btn-outline:hover {
  background-color: var(--color-blue-light);
  transform: translateY(-2px);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-primary-blue) !important;
  border-color: var(--color-white);
}

.btn-white:hover {
  background-color: var(--color-blue-light);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-full {
  width: 100%;
}

/* Header & Sticky Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-blue-dark);
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-accent-blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hamburger-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  cursor: pointer;
  color: var(--color-primary-blue);
  transition: background-color var(--transition-fast);
}

.hamburger-btn:hover {
  background-color: var(--color-blue-light);
}

/* Mobile Drawer (Section 5A) */
.mobile-nav-panel {
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  height: calc(100vh - 72px);
  background-color: var(--color-white);
  z-index: 99;
  display: flex;
  flex-direction: column;
  padding: 24px;
  overflow-y: auto;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.mobile-nav-panel.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background-color: var(--color-gray-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.mobile-search-input {
  border: none;
  background: transparent;
  outline: none;
  width: 100%;
  font-size: 14px;
  color: var(--color-blue-dark);
}

.mobile-links-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  list-style: none;
  margin-bottom: 32px;
}

.mobile-link {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-blue-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #082B66 0%, #0B3D91 50%, #1A4FA0 100%);
  padding: 80px 0 100px 0;
  color: var(--color-white);
  text-align: center;
  overflow: hidden;
}

.hero-overlay-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(rgba(46, 125, 255, 0.15) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(8, 43, 102, 0.7), rgba(11, 61, 145, 0.9));
  background-size: 24px 24px, 100% 100%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin: 0 auto;
}

.badge-pill-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background-color: var(--color-primary-blue);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-title .accent-word {
  color: var(--color-accent-blue);
  position: relative;
  display: inline-block;
}

.hero-description {
  font-size: 18px;
  color: #DCE6F5;
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.hero-trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background-color: rgba(8, 43, 102, 0.6);
  border: 1px solid rgba(220, 230, 245, 0.3);
  border-radius: var(--radius-full);
  font-size: 14px;
  color: var(--color-white);
  backdrop-filter: blur(8px);
  margin-bottom: 24px;
}

.hero-feature-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.feature-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #EAF1FB;
  background: rgba(255, 255, 255, 0.1);
  padding: 6px 14px;
  border-radius: var(--radius-full);
}

.hero-callout-bar {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(46, 125, 255, 0.2);
  border: 1px solid rgba(46, 125, 255, 0.4);
  padding: 10px 24px;
  border-radius: var(--radius-full);
  color: var(--color-white);
  font-weight: 600;
  font-size: 14px;
}

/* SECTION 4A: STATS BAR SECTION */
.stats-section {
  background-color: var(--color-white);
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}

.stats-eyebrow {
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent-blue);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-icon-badge {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.stat-icon-badge.tint-peach {
  background-color: var(--tint-peach-bg);
  color: var(--tint-peach-icon);
}

.stat-icon-badge.tint-yellow {
  background-color: var(--tint-yellow-bg);
  color: var(--tint-yellow-icon);
}

.stat-number {
  font-size: 38px;
  font-weight: 900;
  color: var(--color-blue-dark);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-text);
  line-height: 1.4;
}

.stats-bottom-pill {
  text-align: center;
}

.stats-bottom-pill span {
  display: inline-block;
  padding: 8px 24px;
  background-color: var(--color-blue-light);
  color: var(--color-primary-blue);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 1px;
  border-radius: var(--radius-full);
}

/* Sectors & Internship Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;

}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-blue);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.badge-sector {
  background-color: var(--color-blue-light);
  color: var(--color-primary-blue);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
}

.badge-mode {
  background-color: #E0F2FE;
  color: #0369A1;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
}

.card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-blue-dark);
  margin-bottom: 12px;
}

.card-desc {
  font-size: 14px;
  color: var(--color-gray-text);
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.duration-info {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-blue-dark);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Accordion Component */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.accordion-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-header {
  padding: 18px 24px;
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 17px;
  color: var(--color-blue-dark);
}

.accordion-header:hover {
  background-color: var(--color-blue-light);
}

.accordion-body {
  padding: 24px;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-white);
  display: none;
}

.accordion-item.active .accordion-body {
  display: block;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(8, 43, 102, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  padding: 32px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-card {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-gray-text);
}

/* Responsive Rules */
@media (max-width: 992px) {
  .hero-title {
    font-size: 38px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .nav-links, .header-actions .btn {
    display: none;
  }
  .hamburger-btn {
    display: flex;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 30px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .stat-card {
    padding: 20px 12px;
  }
  .stat-number {
    font-size: 30px;
  }
  .stat-icon-badge {
    width: 64px;
    height: 64px;
  }
}