/* ==========================================================================
   DIVESTWORLD AI ACADEMY - MODERN STYLESHEET
   Brand: DivestWorld AI Academy ("Learn AI. Build the Future.")
   Palette: Dark Navy, White Text, Cyan/Indigo/Purple Accents
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Color Palette - Dark Navy Theme */
  --bg-main: #060a12;
  --bg-surface: #0b1220;
  --bg-surface-elevated: #111a33;
  --bg-card: rgba(17, 26, 51, 0.75);
  --bg-card-hover: rgba(22, 34, 68, 0.9);
  --bg-glass: rgba(11, 18, 32, 0.82);
  --bg-input: #0c1527;

  /* Accent Gradients & Colors */
  --accent-cyan: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-violet: #a855f7;
  
  /* Status Colors */
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.12);
  --color-success-border: rgba(16, 185, 129, 0.35);
  
  --color-danger: #ef4444;
  --color-danger-bg: rgba(239, 68, 68, 0.12);
  --color-danger-border: rgba(239, 68, 68, 0.35);

  --color-warning: #f59e0b;

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #060a12;

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);
  --border-glow: rgba(56, 189, 248, 0.4);

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #38bdf8 0%, #6366f1 50%, #8b5cf6 100%);
  --grad-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 100%);
  --grad-glow: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.22) 0%, transparent 70%);
  --grad-cta: linear-gradient(135deg, #2563eb 0%, #6366f1 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.25);
  --shadow-cyan-glow: 0 0 30px rgba(56, 189, 248, 0.25);

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout & Spacing */
  --max-width: 1200px;
  --header-height: 76px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Global 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 {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Accessibility: Focus outlines */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
}

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

ul {
  list-style: none;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-accent-cyan { color: var(--accent-cyan); }
.font-mono { font-family: var(--font-mono); }
.font-semibold { font-weight: 600; }
.w-full { width: 100%; }
.hidden { display: none !important; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-2xl { max-width: 44rem; }

/* Gradient Text */
.gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* --- Background Animated Canvas & Ambient Glows --- */
.canvas-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

#neuralCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  opacity: 0.25;
}

.glow-1 {
  top: -100px;
  right: 10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #6366f1 0%, rgba(99, 102, 241, 0) 70%);
}

.glow-2 {
  top: 40%;
  left: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #0284c7 0%, rgba(2, 132, 199, 0) 70%);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: var(--grad-cta);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
  background: linear-gradient(135deg, #1d4ed8 0%, #4f46e5 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-indigo);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-cyan);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 1.75rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-glow:hover::after {
  opacity: 1;
}

/* --- Header / Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(6, 10, 18, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(6, 10, 18, 0.92);
  border-bottom-color: rgba(99, 102, 241, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.logo-symbol {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-symbol.small {
  width: 30px;
  height: 30px;
}

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

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: #ffffff;
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

/* Desktop Nav List */
.desktop-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.35rem 0;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: #ffffff;
}

.nav-link.active {
  color: #ffffff;
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--grad-primary);
  border-radius: var(--radius-full);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-header {
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
  background: rgba(99, 102, 241, 0.15);
  color: #ffffff;
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.btn-header:hover {
  background: rgba(99, 102, 241, 0.25);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.25);
}

/* Mobile Toggle Hamburger */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
}

.mobile-toggle .bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-toggle.active .bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active .bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: rgba(6, 10, 18, 0.98);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-subtle);
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem;
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.mobile-link {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.mobile-link:hover {
  color: #ffffff;
  padding-left: 0.5rem;
}

/* --- Section Layout & Shared Styles --- */
.section {
  padding: 6.5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto 3.75rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 1rem;
  color: #ffffff;
}

.section-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Card Common Styles */
.card-glow-top {
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.6), rgba(99, 102, 241, 0.6), transparent);
}

/* --- Hero Section --- */
.hero-section {
  padding: 7rem 0 5rem 0;
  min-height: calc(90vh - var(--header-height));
  display: flex;
  align-items: center;
  position: relative;
}

.hero-container {
  display: flex;
  justify-content: center;
}

.hero-content {
  text-align: center;
  max-width: 54rem;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-full);
  padding: 0.4rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #e0e7ff;
  margin-bottom: 1.75rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2.5rem;
  max-width: 46rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 4.5rem;
}

/* Metrics Strip */
.hero-metrics-strip {
  display: flex;
  align-items: center;
  justify-content: space-around;
  background: rgba(11, 18, 32, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-divider {
  width: 1px;
  height: 36px;
  background: var(--border-subtle);
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
}

.about-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.about-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

.about-icon-badge {
  width: 50px;
  height: 50px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.about-card-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #ffffff;
}

.about-card-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.pillar-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #e2e8f0;
  font-size: 0.95rem;
}

.pillar-item svg {
  color: var(--accent-cyan);
  flex-shrink: 0;
}

/* Institutional Facts Card */
.facts-title {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
  color: #ffffff;
}

.facts-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.facts-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.fact-row:hover {
  background: rgba(255, 255, 255, 0.04);
}

.fact-label-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-secondary);
}

.fact-label-group svg {
  color: var(--accent-indigo);
}

.fact-name {
  font-size: 0.875rem;
  font-weight: 500;
}

.fact-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
}

.facts-footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

/* --- AI Courses Section --- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.course-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.course-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: var(--shadow-glow);
  background: var(--bg-card-hover);
}

.course-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.course-level-badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.course-duration-badge {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.course-duration-badge svg {
  color: var(--accent-cyan);
}

.course-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.course-description {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.75rem;
}

.course-tag {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.course-footer {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

/* --- Student Verification Section --- */
.verification-section {
  background: linear-gradient(180deg, rgba(6, 10, 18, 0) 0%, rgba(12, 20, 39, 0.7) 50%, rgba(6, 10, 18, 0) 100%);
  position: relative;
}

.verification-wrapper {
  max-width: 960px;
  margin: 0 auto;
}

.verification-intro {
  margin-bottom: 3rem;
}

.verification-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-success);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.verification-card-container {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2.5rem;
}

/* Verification Form Card */
.verification-form-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  box-shadow: var(--shadow-md);
}

.form-card-header {
  margin-bottom: 1.5rem;
}

.form-card-title {
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

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

/* Demo helper notification */
.demo-helper-box {
  background: rgba(56, 189, 248, 0.06);
  border: 1px dashed rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.demo-helper-icon {
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.demo-helper-text {
  font-size: 0.825rem;
  color: #cbd5e1;
  line-height: 1.45;
}

.fill-demo-btn {
  align-self: flex-start;
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
  background: rgba(56, 189, 248, 0.08);
}

.fill-demo-btn:hover {
  background: rgba(56, 189, 248, 0.16);
}

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 0.5rem;
}

.required-star {
  color: var(--color-danger);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  pointer-events: none;
}

.form-input,
.form-textarea {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.input-wrapper .form-input {
  padding-left: 2.75rem;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-cyan);
  background-color: rgba(14, 23, 46, 0.9);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.form-input.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-danger);
  background-color: rgba(239, 68, 68, 0.05);
}

.form-error-msg {
  font-size: 0.775rem;
  color: var(--color-danger);
  margin-top: 0.35rem;
  min-height: 1rem;
}

/* Button Spinner */
.btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.7s linear infinite;
}

.btn.loading .btn-spinner {
  display: inline-block;
}

.btn.loading .btn-text {
  opacity: 0.7;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Dynamic Verification Result Container */
.verification-result-wrapper {
  height: 100%;
  display: flex;
}

/* Placeholder state */
.result-placeholder {
  background: rgba(11, 18, 32, 0.5);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  min-height: 380px;
}

.placeholder-icon {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.placeholder-title {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 0.5rem;
}

.placeholder-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 18rem;
}

/* Success Result Card */
.result-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: fadeInScale 0.35s ease forwards;
}

.result-card.result-success {
  border-color: var(--color-success-border);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.05) 0%, rgba(17, 26, 51, 0.95) 100%);
}

.result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.verified-indicator {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.verified-icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-success-bg);
  border: 2px solid var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
  flex-shrink: 0;
}

.result-status-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
}

.result-timestamp {
  font-size: 0.775rem;
  color: var(--text-muted);
}

.status-pill {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.active-pill {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.completed-pill {
  background: rgba(16, 185, 129, 0.18);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.45);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}

.result-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 1.25rem 0;
}

.result-data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.result-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.result-item.col-span-2 {
  grid-column: span 2;
}

.result-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.result-value {
  font-size: 0.95rem;
  color: #ffffff;
  word-break: break-word;
}

.result-footer {
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.meta-hash {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.meta-hash code {
  color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.result-actions {
  display: flex;
  gap: 0.5rem;
}

/* Error Card */
.result-card.result-error {
  border-color: var(--color-danger-border);
  background: linear-gradient(180deg, rgba(239, 68, 68, 0.06) 0%, rgba(17, 26, 51, 0.95) 100%);
  text-align: center;
  padding: 3rem 2rem;
}

.error-icon-circle {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--color-danger-bg);
  border: 2px solid var(--color-danger);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-danger);
  margin: 0 auto 1.25rem auto;
}

.error-description {
  font-size: 0.95rem;
  color: #cbd5e1;
  margin: 0.75rem 0 1.75rem 0;
  line-height: 1.5;
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

/* Privacy Note Card */
.privacy-note-card {
  background: rgba(11, 18, 32, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
}

.privacy-note-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #cbd5e1;
  margin-bottom: 0.5rem;
}

.privacy-note-header h4 {
  font-size: 0.9rem;
  font-weight: 600;
}

.privacy-note-header svg {
  color: var(--accent-indigo);
}

.privacy-note-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.55;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* --- Why DivestWorld Section --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: var(--shadow-md);
  background: var(--bg-card-hover);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.feature-desc {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Student Portal CTA Section --- */
.student-portal-cta {
  padding: 4rem 0;
}

.portal-cta-box {
  background: linear-gradient(135deg, rgba(14, 23, 46, 0.95) 0%, rgba(30, 27, 75, 0.85) 100%);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.portal-cta-glow {
  position: absolute;
  top: -50%;
  left: 30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.portal-cta-content {
  position: relative;
  z-index: 2;
  max-width: 42rem;
  margin: 0 auto;
}

.portal-icon {
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin: 0 auto 1.5rem auto;
}

.portal-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  color: #ffffff;
}

.portal-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.portal-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 2rem;
}

.contact-info-card,
.contact-form-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
}

.contact-card-title {
  font-size: 1.4rem;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.contact-card-text,
.contact-card-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.contact-details {
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-val {
  font-size: 0.95rem;
  color: #ffffff;
}

.contact-link:hover {
  color: var(--accent-cyan);
  text-decoration: underline;
}

/* --- Footer --- */
.site-footer {
  background: #04070d;
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2.5rem 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: #ffffff;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-col-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a,
.footer-modal-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
}

.footer-links a:hover,
.footer-modal-link:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.copyright-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-subtext {
  font-size: 0.78rem;
}

/* --- Modals (Course, Privacy, Terms) --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 7, 13, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.modal-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 580px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform var(--transition-normal);
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.75rem;
  cursor: pointer;
  line-height: 1;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.modal-header {
  margin-bottom: 1.5rem;
  padding-right: 2rem;
}

.modal-level-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.modal-title {
  font-size: 1.5rem;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.modal-duration {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.modal-body {
  margin-bottom: 2rem;
}

.modal-description {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.modal-subheading {
  font-size: 1.05rem;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.modal-modules-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.modal-modules-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-cyan);
}

.modal-info-box {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  font-size: 0.875rem;
  color: #e2e8f0;
}

.modal-legal-body h4 {
  font-size: 1rem;
  color: #ffffff;
  margin: 1.25rem 0 0.4rem 0;
}

.modal-legal-body p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  color: #ffffff;
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideInRight 0.3s ease forwards;
  max-width: 360px;
}

.toast.toast-success {
  border-color: var(--color-success);
}

.toast.toast-error {
  border-color: var(--color-danger);
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* --- Print Styles --- */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .site-header,
  .hero-section,
  .about-section,
  .courses-section,
  .why-section,
  .student-portal-cta,
  .contact-section,
  .site-footer,
  .canvas-container,
  .verification-intro,
  .verification-form-card,
  .privacy-note-card,
  .result-actions,
  .modal-overlay,
  .toast-container {
    display: none !important;
  }

  .verification-section {
    padding: 0 !important;
    background: none !important;
  }

  .verification-card-container {
    display: block !important;
  }

  .result-card {
    border: 2px solid #000000 !important;
    background: #ffffff !important;
    color: #000000 !important;
    box-shadow: none !important;
  }

  .result-label {
    color: #666666 !important;
  }

  .result-value {
    color: #000000 !important;
  }

  .status-pill {
    border: 1px solid #000000 !important;
    color: #000000 !important;
  }
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .verification-card-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .desktop-nav,
  .btn-header {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero-metrics-strip {
    flex-direction: column;
    gap: 1.25rem;
  }

  .metric-divider {
    width: 60px;
    height: 1px;
  }

  .form-row-2 {
    grid-template-columns: 1fr;
  }

  .result-data-grid {
    grid-template-columns: 1fr;
  }

  .result-item.col-span-2 {
    grid-column: span 1;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .portal-cta-box {
    padding: 2.5rem 1.25rem;
  }

  .about-card,
  .contact-info-card,
  .contact-form-card,
  .verification-form-card {
    padding: 1.5rem;
  }
}