/* ==========================================================================
   Institute of Digital Dental Sciences (IDDS)
   Premium Clinical & Academic Education Platform Stylesheet
   Designed for Dental Clinicians & Specialists
   ========================================================================== */

:root {
  /* Primary Clinical Palette */
  --navy-950: #060c1d;
  --navy-900: #0a1329;
  --navy-850: #0e1b38;
  --navy-800: #13244a;
  --navy-700: #1c3366;
  --navy-600: #264687;

  /* Accent & Tech Teal */
  --teal-600: #0c7784;
  --teal-500: #0ea5b5;
  --teal-400: #22d3ee;
  --teal-100: #e0f7fa;
  --teal-50: #f0fdfa;

  /* Clinical Cyan / Electric Blue */
  --blue-600: #0284c7;
  --blue-500: #0ea5e9;
  --blue-100: #e0f2fe;

  /* Gold Accreditation & Distinction Accents */
  --gold-600: #b45309;
  --gold-500: #d97706;
  --gold-400: #f59e0b;
  --gold-300: #fbbf24;
  --gold-100: #fef3c7;
  --gold-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gold-badge-bg: rgba(245, 158, 11, 0.12);
  --gold-border: rgba(245, 158, 11, 0.35);

  /* WhatsApp Brand Green */
  --whatsapp-green: #25d366;
  --whatsapp-hover: #20bd5a;

  /* Neutrals & Slate */
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #ffffff;

  /* Typography */
  --font-main: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(10, 19, 41, 0.05), 0 1px 2px rgba(10, 19, 41, 0.03);
  --shadow-md: 0 6px 20px -4px rgba(10, 19, 41, 0.08), 0 4px 6px -2px rgba(10, 19, 41, 0.04);
  --shadow-lg: 0 16px 36px -8px rgba(10, 19, 41, 0.12), 0 8px 16px -4px rgba(10, 19, 41, 0.06);
  --shadow-xl: 0 24px 50px -12px rgba(10, 19, 41, 0.22);
  --shadow-glow: 0 0 40px rgba(14, 165, 181, 0.25);
  --shadow-gold: 0 0 25px rgba(245, 158, 11, 0.2);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1240px;
  --header-height: 80px;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background-color: var(--white);
  color: var(--slate-700);
  line-height: 1.65;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-narrow {
  max-width: 900px;
}

.container-wide {
  max-width: 1360px;
}

/* ==========================================================================
   Typography & Shared Elements
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--navy-950);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal-500);
  margin-bottom: 12px;
}

.eyebrow-gold {
  color: var(--gold-400);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--slate-500);
  line-height: 1.6;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-teal {
  background: rgba(14, 165, 181, 0.12);
  color: var(--teal-600);
  border: 1px solid rgba(14, 165, 181, 0.25);
}

.badge-gold {
  background: var(--gold-badge-bg);
  color: var(--gold-500);
  border: 1px solid var(--gold-border);
}

.badge-navy {
  background: var(--navy-800);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.badge-outline {
  background: transparent;
  color: var(--slate-700);
  border: 1px solid var(--slate-300);
}

.badge-live-pulse::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
  display: inline-block;
  animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.9; box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
  100% { transform: scale(0.9); opacity: 0.9; box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-align: center;
  line-height: 1.2;
}

.btn-primary {
  background: var(--navy-900);
  color: var(--white);
  border: 1px solid var(--navy-700);
  box-shadow: 0 4px 14px rgba(10, 19, 41, 0.18);
}

.btn-primary:hover {
  background: var(--navy-800);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10, 19, 41, 0.25);
  color: var(--white);
}

.btn-teal {
  background: var(--teal-500);
  color: var(--white);
  border: 1px solid var(--teal-400);
  box-shadow: 0 4px 14px rgba(14, 165, 181, 0.3);
}

.btn-teal:hover {
  background: var(--teal-600);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 165, 181, 0.4);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  color: var(--navy-900);
  border: 1px solid var(--slate-300);
}

.btn-secondary:hover {
  background: var(--slate-100);
  border-color: var(--slate-400);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-whatsapp {
  background: var(--whatsapp-green);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(37, 211, 102, 0.45);
  color: var(--white);
}

.btn-gold {
  background: var(--gold-gradient);
  color: var(--navy-950);
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  opacity: 0.95;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(245, 158, 11, 0.4);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 34px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-icon-right svg {
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon-right svg {
  transform: translateX(4px);
}

/* ==========================================================================
   Header & Sticky Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--slate-200);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-symbol {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--teal-600) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: 0 4px 10px rgba(10, 19, 41, 0.2);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-acronym {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--navy-950);
  line-height: 1;
}

.brand-name {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-500);
  margin-top: 3px;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--slate-700);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--teal-600);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal-500);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  border: 1px solid var(--slate-200);
  align-items: center;
  justify-content: center;
  color: var(--navy-950);
}

.mobile-nav-toggle:focus-visible {
  outline: 2px solid var(--teal-500);
}

/* Mobile Drawer */
.mobile-menu-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: var(--white);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: 999;
  border-top: 1px solid var(--slate-200);
  overflow-y: auto;
}

.mobile-menu-drawer.open {
  transform: translateX(0);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mobile-nav-link {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy-900);
  padding: 10px 0;
  border-bottom: 1px solid var(--slate-100);
}

.mobile-nav-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 85% 20%, rgba(14, 165, 181, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 15% 80%, rgba(19, 36, 74, 0.04) 0%, transparent 50%),
              var(--white);
  padding: 72px 0 90px 0;
  overflow: hidden;
  border-bottom: 1px solid var(--slate-200);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

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

.hero-title {
  font-size: clamp(2.35rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--navy-950);
  margin-bottom: 22px;
  letter-spacing: -0.03em;
}

.hero-title .highlight {
  color: var(--teal-600);
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--teal-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--slate-600);
  line-height: 1.7;
  margin-bottom: 34px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero-guarantee {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--slate-200);
  font-size: 0.875rem;
  color: var(--slate-500);
}

.hero-guarantee-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-guarantee-item svg {
  color: var(--teal-600);
}

/* Hero Visual Canvas */
.hero-visual-wrapper {
  position: relative;
}

.hero-card-main {
  position: relative;
  background: var(--navy-950);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  aspect-ratio: 4 / 3.4;
}

.hero-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.88;
  filter: contrast(1.05);
  transition: transform var(--transition-slow);
}

.hero-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6, 12, 29, 0.95) 0%, rgba(6, 12, 29, 0.3) 50%, rgba(6, 12, 29, 0.1) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
}

.hero-overlay-tag {
  color: var(--teal-400);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.hero-overlay-title {
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.hero-overlay-sub {
  color: var(--slate-300);
  font-size: 0.875rem;
}

/* Floating Badges in Hero */
.floating-badge {
  position: absolute;
  background: var(--white);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
  animation: float 4s ease-in-out infinite;
}

.floating-badge-top {
  top: -20px;
  right: -15px;
  animation-delay: 0s;
}

.floating-badge-bottom {
  bottom: -22px;
  left: -20px;
  animation-delay: 2s;
  background: var(--navy-900);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--white);
}

.badge-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.badge-icon-gold {
  background: var(--gold-badge-bg);
  color: var(--gold-500);
}

.badge-icon-teal {
  background: rgba(14, 165, 181, 0.2);
  color: var(--teal-400);
}

.badge-text-primary {
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.2;
}

.badge-text-secondary {
  font-size: 0.72rem;
  color: var(--slate-500);
}

.floating-badge-bottom .badge-text-secondary {
  color: var(--slate-300);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ==========================================================================
   Trust / Credibility Bar
   ========================================================================== */
.trust-bar {
  background: var(--navy-950);
  color: var(--white);
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.trust-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-400);
  flex-shrink: 0;
}

.trust-text {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--slate-200);
}

.trust-divider {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.12);
}

/* ==========================================================================
   Featured Course Section
   ========================================================================== */
.featured-section {
  padding: 100px 0;
  background: var(--slate-50);
}

.featured-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.featured-body {
  padding: 50px 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.featured-title {
  font-size: clamp(1.8rem, 2.8vw, 2.3rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--navy-950);
  margin-bottom: 8px;
}

.featured-subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--teal-600);
  margin-bottom: 14px;
}

.featured-hook {
  font-size: 1rem;
  font-weight: 700;
  color: var(--slate-800);
  background: var(--slate-100);
  padding: 10px 16px;
  border-left: 4px solid var(--teal-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 24px;
}

.course-meta-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--slate-700);
}

.course-meta-item svg {
  color: var(--teal-600);
  flex-shrink: 0;
}

.featured-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--slate-200);
}

.price-block {
  display: flex;
  flex-direction: column;
}

.price-main {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy-950);
  line-height: 1;
}

.price-sub {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate-500);
  margin-top: 4px;
}

.featured-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.featured-media {
  position: relative;
  background: var(--navy-900);
  min-height: 380px;
}

.featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.featured-media-badge {
  position: absolute;
  top: 24px;
  right: 24px;
  background: rgba(10, 19, 41, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   Course Highlights ("What You'll Master")
   ========================================================================== */
.highlights-section {
  padding: 100px 0;
  background: var(--white);
}

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

.highlight-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--teal-500), var(--navy-800));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.highlight-card:hover {
  background: var(--white);
  border-color: var(--teal-400);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

.highlight-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(14, 165, 181, 0.1);
  color: var(--teal-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: transform var(--transition-fast);
}

.highlight-card:hover .highlight-icon-box {
  transform: scale(1.08);
  background: var(--teal-500);
  color: var(--white);
}

.highlight-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy-950);
  margin-bottom: 10px;
}

.highlight-desc {
  font-size: 0.9rem;
  color: var(--slate-600);
  line-height: 1.55;
}

.highlight-list {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--slate-500);
}

.highlight-list li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 4px;
}

.highlight-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--teal-500);
  font-weight: bold;
}

/* ==========================================================================
   Course Outcomes (Dark Section)
   ========================================================================== */
.outcomes-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.outcomes-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 165, 181, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.outcomes-header .section-title {
  color: var(--white);
}

.outcomes-header .section-subtitle {
  color: var(--slate-300);
}

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.outcome-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.outcome-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--teal-400);
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.outcome-num {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--teal-400);
  opacity: 0.9;
  margin-bottom: 16px;
  font-family: var(--font-main);
}

.outcome-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.outcome-desc {
  font-size: 0.92rem;
  color: var(--slate-300);
  line-height: 1.6;
}

.outcomes-callout {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  padding: 22px 32px;
  background: rgba(14, 165, 181, 0.12);
  border: 1px solid rgba(14, 165, 181, 0.3);
  border-radius: var(--radius-pill);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
}

/* ==========================================================================
   Why IDDS Section
   ========================================================================== */
.why-section {
  padding: 100px 0;
  background: var(--white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.why-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.why-card:hover {
  transform: translateY(-5px);
  border-color: var(--teal-500);
  box-shadow: var(--shadow-lg);
}

.why-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--slate-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy-900);
  margin-bottom: 22px;
  transition: all var(--transition-fast);
}

.why-card:hover .why-icon-box {
  background: var(--navy-900);
  color: var(--teal-400);
}

.why-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.why-desc {
  font-size: 0.95rem;
  color: var(--slate-600);
  line-height: 1.6;
}

/* ==========================================================================
   Instructor Section (Prof. Masooma Aslam)
   ========================================================================== */
.instructor-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #edf2f7 100%);
  border-top: 1px solid var(--slate-200);
  border-bottom: 1px solid var(--slate-200);
}

.instructor-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
}

.instructor-visual {
  position: relative;
  background: var(--navy-950);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.instructor-image {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  object-position: top center;
  filter: contrast(1.02);
}

.instructor-badge-overlay {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(10, 19, 41, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid var(--gold-border);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
}

.instructor-badge-overlay .badge-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold-400);
  font-weight: 800;
  margin-bottom: 4px;
}

.instructor-badge-overlay .badge-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}

.instructor-content {
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.instructor-name {
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--navy-950);
  margin-bottom: 6px;
}

.instructor-title-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold-600);
  margin-bottom: 8px;
}

.instructor-role {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--teal-600);
  margin-bottom: 24px;
}

.qualifications-header {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-400);
  margin-bottom: 16px;
}

.qualifications-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 18px;
  margin-bottom: 34px;
}

.qualification-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--slate-700);
  line-height: 1.45;
}

.qualification-item svg {
  color: var(--gold-500);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ==========================================================================
   Accreditation Section
   ========================================================================== */
.accreditation-section {
  padding: 100px 0;
  background: var(--white);
}

.accreditation-box {
  background: linear-gradient(135deg, var(--navy-950) 0%, var(--navy-900) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(245, 158, 11, 0.25);
  box-shadow: var(--shadow-xl);
  padding: 60px 50px;
  color: var(--white);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.accreditation-box::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.accreditation-title {
  color: var(--white);
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: 18px;
}

.accreditation-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.accreditation-item-highlight {
  display: flex;
  align-items: center;
  gap: 14px;
}

.accreditation-badge-large {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold-300);
}

.accreditation-number-box {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.accreditation-number-box .label {
  font-size: 0.85rem;
  color: var(--slate-400);
}

.accreditation-number-box .value {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--white);
  font-family: monospace;
}

.accreditation-desc {
  font-size: 1.05rem;
  color: var(--slate-300);
  line-height: 1.7;
  margin-bottom: 28px;
}

/* Certificate Mockup Visual */
.cert-mockup {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px;
  color: var(--navy-950);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
  border: 8px solid #f1f5f9;
  position: relative;
}

.cert-mockup::after {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(217, 119, 6, 0.4);
  pointer-events: none;
}

.cert-header {
  text-align: center;
  border-bottom: 1px solid var(--slate-200);
  padding-bottom: 16px;
  margin-bottom: 18px;
}

.cert-org {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--slate-500);
}

.cert-main-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--navy-950);
  font-family: var(--font-serif);
}

.cert-body {
  text-align: center;
  font-size: 0.85rem;
  color: var(--slate-600);
  margin-bottom: 20px;
}

.cert-recipient {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--teal-600);
  border-bottom: 1px dashed var(--slate-300);
  display: inline-block;
  padding: 4px 20px;
  margin: 6px 0;
}

.cert-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--slate-200);
}

.cert-seal {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gold-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy-950);
  font-weight: 800;
  font-size: 0.65rem;
  text-align: center;
  box-shadow: 0 4px 10px rgba(217, 119, 6, 0.4);
}

.cert-sign {
  text-align: right;
  font-size: 0.72rem;
  color: var(--slate-500);
}

.cert-sign-sig {
  font-family: 'Brush Script MT', cursive, sans-serif;
  font-size: 1.25rem;
  color: var(--navy-900);
  line-height: 1;
}

/* ==========================================================================
   How It Works (4-Step Timeline)
   ========================================================================== */
.how-section {
  padding: 100px 0;
  background: var(--slate-50);
}

.steps-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}

.step-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.step-card:hover {
  transform: translateY(-6px);
  border-color: var(--teal-500);
  box-shadow: var(--shadow-lg);
}

.step-number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  border: 3px solid var(--teal-100);
}

.step-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy-950);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--slate-600);
  line-height: 1.6;
}

/* ==========================================================================
   Live Learning Section
   ========================================================================== */
.live-learning-section {
  padding: 100px 0;
  background: var(--navy-950);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.live-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.live-content .section-title {
  color: var(--white);
}

.live-content .section-subtitle {
  color: var(--slate-300);
  margin-bottom: 32px;
}

.live-feature-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(14, 165, 181, 0.15);
  border: 1px solid rgba(14, 165, 181, 0.35);
  border-radius: var(--radius-pill);
  color: var(--teal-400);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.live-features-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 38px;
}

.live-feature-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1rem;
  color: var(--slate-200);
}

.live-feature-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(14, 165, 181, 0.2);
  color: var(--teal-400);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Simulated Live Classroom Window */
.live-mockup-window {
  background: var(--navy-900);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.live-mockup-bar {
  background: var(--navy-850);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.window-title {
  font-size: 0.8rem;
  color: var(--slate-400);
  font-weight: 600;
}

.live-mockup-body {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #000;
}

.live-mockup-body img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.live-mockup-overlay-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(239, 68, 68, 0.9);
  color: var(--white);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 6px;
}

.live-mockup-hud {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(10, 19, 41, 0.85);
  backdrop-filter: blur(8px);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hud-info {
  display: flex;
  flex-direction: column;
}

.hud-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
}

.hud-sub {
  font-size: 0.75rem;
  color: var(--teal-400);
}

/* ==========================================================================
   Limited Seats Section (Urgency)
   ========================================================================== */
.limited-seats-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(14, 165, 181, 0.08) 0%, rgba(19, 36, 74, 0.04) 100%);
  border-top: 1px solid var(--slate-200);
  border-bottom: 1px solid var(--slate-200);
}

.limited-seats-card {
  background: var(--white);
  border: 2px dashed var(--teal-500);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
  box-shadow: var(--shadow-md);
}

.limited-seats-text {
  max-width: 680px;
}

.limited-seats-text h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--navy-950);
  margin-bottom: 10px;
}

.limited-seats-text p {
  font-size: 1.05rem;
  color: var(--slate-600);
  line-height: 1.6;
}

/* ==========================================================================
   Testimonials (Realistic Placeholder Section)
   ========================================================================== */
.testimonials-section {
  padding: 100px 0;
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.testimonial-card:hover {
  background: var(--white);
  border-color: var(--teal-400);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.testimonial-quote {
  font-size: 1rem;
  color: var(--slate-700);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 24px;
  position: relative;
}

.testimonial-quote::before {
  content: '“';
  font-size: 3rem;
  color: var(--teal-500);
  opacity: 0.3;
  line-height: 0;
  vertical-align: -18px;
  margin-right: 4px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--slate-200);
}

.author-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--white);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy-950);
}

.author-specialty {
  font-size: 0.8rem;
  color: var(--slate-500);
}

.author-location {
  font-size: 0.75rem;
  color: var(--teal-600);
  font-weight: 600;
}

/* ==========================================================================
   FAQ Section (Accordion)
   ========================================================================== */
.faq-section {
  padding: 100px 0;
  background: var(--slate-50);
}

.faq-container {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--teal-500);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 22px 26px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--navy-950);
  transition: color var(--transition-fast);
}

.faq-item.active .faq-question {
  color: var(--teal-600);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--slate-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--teal-500);
  color: var(--white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  padding: 0 26px;
  color: var(--slate-600);
  line-height: 1.7;
  font-size: 0.975rem;
}

.faq-item.active .faq-answer {
  padding: 0 26px 22px 26px;
}

/* ==========================================================================
   Final CTA Section
   ========================================================================== */
.final-cta-section {
  padding: 100px 0;
  background: radial-gradient(circle at center, var(--navy-850) 0%, var(--navy-950) 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta-content {
  max-width: 780px;
  margin: 0 auto;
}

.final-cta-title {
  color: var(--white);
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.final-cta-subtitle {
  font-size: 1.25rem;
  color: var(--teal-400);
  font-weight: 600;
  margin-bottom: 36px;
}

.final-cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #040814;
  color: var(--slate-400);
  padding: 80px 0 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand .brand-acronym {
  color: var(--white);
}

.footer-brand .brand-name {
  color: var(--slate-400);
}

.footer-tagline {
  font-size: 0.92rem;
  color: var(--slate-400);
  margin: 18px 0 24px 0;
  line-height: 1.6;
  max-width: 320px;
}

.footer-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold-400);
}

.footer-col-title {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--slate-400);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--teal-400);
  transform: translateX(3px);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 0.9rem;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--slate-300);
}

.footer-contact-item svg {
  color: var(--teal-400);
  flex-shrink: 0;
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.social-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-300);
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  background: var(--teal-500);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.85rem;
}

.footer-demo-notice {
  font-size: 0.78rem;
  color: var(--slate-500);
}

/* ==========================================================================
   Page Headers (Subpages: About, Courses, Contact, etc.)
   ========================================================================== */
.page-hero {
  background: linear-gradient(135deg, var(--navy-950) 0%, var(--navy-900) 100%);
  color: var(--white);
  padding: 80px 0 70px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 500px;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(14, 165, 181, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero-title {
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
}

.page-hero-desc {
  font-size: 1.15rem;
  color: var(--slate-300);
  max-width: 720px;
  line-height: 1.65;
}

/* ==========================================================================
   Course Details Page Specifics
   ========================================================================== */
.course-detail-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  padding: 60px 0 100px 0;
  align-items: start;
}

.curriculum-module {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
}

.module-header {
  padding: 18px 24px;
  background: var(--slate-50);
  border-bottom: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.module-index {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--teal-600);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.module-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy-950);
  margin-top: 2px;
}

.module-body {
  padding: 20px 24px;
  font-size: 0.92rem;
  color: var(--slate-600);
  line-height: 1.6;
}

.sticky-enroll-card {
  position: sticky;
  top: 104px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-xl);
  padding: 32px;
  z-index: 10;
}

.sticky-enroll-price {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--navy-950);
}

.sticky-enroll-sub {
  font-size: 0.9rem;
  color: var(--slate-500);
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--slate-200);
}

.enroll-specs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.enroll-spec-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
}

.enroll-spec-item .label {
  color: var(--slate-500);
}

.enroll-spec-item .val {
  font-weight: 700;
  color: var(--navy-950);
}

/* ==========================================================================
   Contact Page Specifics
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 80px 0;
  align-items: start;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--navy-950);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-sm);
  background: var(--slate-50);
  color: var(--slate-900);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--teal-500);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(14, 165, 181, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Contact Info Side */
.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-info-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.contact-icon-large {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--navy-900);
  color: var(--teal-400);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ==========================================================================
   Modals & Toast Notifications
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 12, 29, 0.75);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 580px;
  width: 100%;
  padding: 40px;
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-fast);
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--slate-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-600);
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--slate-200);
  color: var(--navy-950);
}

.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--navy-950);
  color: var(--white);
  border: 1px solid var(--teal-500);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  z-index: 3000;
  transform: translateY(120px);
  opacity: 0;
  transition: all var(--transition-normal);
  max-width: 420px;
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* Floating WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--whatsapp-green);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  transition: all var(--transition-fast);
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  background: var(--whatsapp-hover);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55);
}

/* Scroll To Top Button */
.scroll-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 890;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

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

.scroll-top-btn:hover {
  background: var(--teal-600);
  transform: translateY(-3px);
}

/* ==========================================================================
   Animations & Transitions
   ========================================================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .hero-visual-wrapper {
    max-width: 600px;
    margin: 0 auto;
  }
  .featured-card {
    grid-template-columns: 1fr;
  }
  .featured-media {
    min-height: 280px;
  }
  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .outcomes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .instructor-card {
    grid-template-columns: 1fr;
  }
  .instructor-image {
    min-height: 380px;
  }
  .accreditation-box {
    grid-template-columns: 1fr;
  }
  .live-grid {
    grid-template-columns: 1fr;
  }
  .course-detail-layout {
    grid-template-columns: 1fr;
  }
  .sticky-enroll-card {
    position: static;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .nav-menu,
  .nav-actions .btn-secondary {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
  .why-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .qualifications-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .highlights-grid,
  .outcomes-grid,
  .steps-timeline {
    grid-template-columns: 1fr;
  }
  .trust-grid {
    justify-content: center;
  }
  .trust-divider {
    display: none;
  }
  .featured-body {
    padding: 30px 20px;
  }
  .course-meta-list {
    grid-template-columns: 1fr;
  }
  .featured-footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .featured-actions {
    width: 100%;
    flex-direction: column;
  }
  .featured-actions .btn {
    width: 100%;
  }
  .floating-badge-top,
  .floating-badge-bottom {
    position: static;
    margin-top: 12px;
    animation: none;
  }
  .instructor-content {
    padding: 36px 20px;
  }
  .accreditation-box {
    padding: 36px 20px;
  }
  .limited-seats-card {
    padding: 30px 20px;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}