/* =============================================
   Scholarship & Innovation Design System
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700&family=Public+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Colors - Surface */
  --surface: #f9f9f9;
  --surface-dim: #dadada;
  --surface-bright: #f9f9f9;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f3f3f3;
  --surface-container: #eeeeee;
  --surface-container-high: #e8e8e8;
  --surface-container-highest: #e2e2e2;

  /* Colors - On Surface */
  --on-surface: #1b1b1b;
  --on-surface-variant: #43474f;
  --inverse-surface: #303030;
  --inverse-on-surface: #f1f1f1;

  /* Colors - Outline */
  --outline: #737780;
  --outline-variant: #c3c6d1;
  --surface-tint: #3a5f94;

  /* Colors - Primary */
  --primary: #001e40;
  --on-primary: #ffffff;
  --primary-container: #003366;
  --on-primary-container: #799dd6;
  --inverse-primary: #a7c8ff;

  /* Colors - Secondary (Accent - Vibrant Orange) */
  --secondary: #7c5800;
  --on-secondary: #ffffff;
  --secondary-container: #FDB913;
  --on-secondary-container: #6c4d00;

  /* Colors - Tertiary */
  --tertiary: #1d1f1f;
  --on-tertiary: #ffffff;
  --tertiary-container: #323434;
  --on-tertiary-container: #9b9c9c;

  /* Colors - Error */
  --error: #ba1a1a;
  --on-error: #ffffff;
  --error-container: #ffdad6;
  --on-error-container: #93000a;

  /* Colors - Fixed */
  --primary-fixed: #d5e3ff;
  --primary-fixed-dim: #a7c8ff;
  --on-primary-fixed: #001b3c;
  --on-primary-fixed-variant: #1f477b;
  --secondary-fixed: #ffdea6;
  --secondary-fixed-dim: #ffbb16;
  --on-secondary-fixed: #271900;
  --on-secondary-fixed-variant: #5e4200;
  --tertiary-fixed: #e2e2e2;
  --tertiary-fixed-dim: #c6c6c7;
  --on-tertiary-fixed: #1a1c1c;
  --on-tertiary-fixed-variant: #454747;

  /* Colors - Background */
  --background: #f9f9f9;
  --on-background: #1b1b1b;
  --surface-variant: #e2e2e2;

  /* Typography - Display & Headlines */
  --font-display-lg: 56px;
  --font-headline-xl: 40px;
  --font-headline-lg: 32px;
  --font-headline-md: 24px;

  /* Typography - Body */
  --font-body-lg: 18px;
  --font-body-md: 16px;
  --font-label-md: 14px;
  --font-caption: 12px;

  /* Typography - Families */
  --font-heading: 'Public Sans', sans-serif;
  --font-body: 'Lexend', sans-serif;

  /* Spacing */
  --space-base: 8px;
  --space-section: 80px;
  --space-gutter: 24px;
  --space-max-width: 1280px;

  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-default: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;
}

/* =============================================
   Typography
   ============================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--on-surface);
  font-weight: 700;
}

.display-lg {
  font-family: var(--font-heading);
  font-size: var(--font-display-lg);
  font-weight: 700;
  line-height: 1.1;
}

.headline-xl {
  font-family: var(--font-heading);
  font-size: var(--font-headline-xl);
  font-weight: 700;
  line-height: 1.2;
}

.headline-lg {
  font-family: var(--font-heading);
  font-size: var(--font-headline-lg);
  font-weight: 600;
  line-height: 1.3;
}

.headline-md {
  font-family: var(--font-heading);
  font-size: var(--font-headline-md);
  font-weight: 600;
  line-height: 1.4;
}

.body-lg {
  font-family: var(--font-body);
  font-size: var(--font-body-lg);
  font-weight: 400;
  line-height: 1.6;
}

.body-md {
  font-family: var(--font-body);
  font-size: var(--font-body-md);
  font-weight: 400;
  line-height: 1.6;
}

.label-md {
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.05em;
}

.caption {
  font-family: var(--font-body);
  font-size: var(--font-caption);
  font-weight: 400;
  line-height: 1.4;
}

/* =============================================
   Layout & Grid
   ============================================= */

.container {
  max-width: var(--space-max-width);
  margin: 0 auto;
  padding: 0 var(--space-gutter);
}

.section {
  padding: var(--space-section) 0;
}

/* =============================================
   Surface & Backgrounds
   ============================================= */

.bg-surface { background-color: var(--surface); }
.bg-surface-dim { background-color: var(--surface-dim); }
.bg-surface-container-low { background-color: var(--surface-container-low); }
.bg-surface-container { background-color: var(--surface-container); }
.bg-surface-container-high { background-color: var(--surface-container-high); }
.bg-surface-variant { background-color: var(--surface-variant); }
.bg-primary { background-color: var(--primary-container); }
.bg-secondary { background-color: var(--secondary-container); }
.bg-white { background-color: var(--surface-container-lowest); }

.text-primary { color: var(--primary-container); }
.text-secondary { color: var(--secondary-container); }
.text-on-surface { color: var(--on-surface); }
.text-on-surface-variant { color: var(--on-surface-variant); }

/* =============================================
   Components - Academic Cards
   ============================================= */

.academic-card {
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-default);
  padding: calc(var(--space-base) * 3);
  position: relative;
  overflow: hidden;
}

.academic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--primary-container);
}

.academic-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-base);
}

.academic-card-description {
  font-family: var(--font-body);
  font-size: var(--font-body-md);
  color: var(--on-surface-variant);
  margin-bottom: calc(var(--space-base) * 2);
}

.academic-card-link {
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  color: var(--secondary-container);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-base);
  transition: color 0.2s ease;
}

.academic-card-link:hover {
  color: var(--on-secondary-container);
}

/* =============================================
   Components - Faculty Profiles
   ============================================= */

.faculty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-gutter);
}

.faculty-card {
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-default);
  padding: calc(var(--space-base) * 3);
  text-align: center;
}

.faculty-image {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-default);
  object-fit: cover;
  margin-bottom: calc(var(--space-base) * 2);
  background-color: var(--surface-container);
}

.faculty-name {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-base);
}

.faculty-credentials {
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* =============================================
   Components - Buttons & CTAs
   ============================================= */

.btn-primary {
  background-color: var(--secondary-container);
  color: var(--on-surface);
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  padding: calc(var(--space-base) * 1.5) calc(var(--space-base) * 3);
  border: none;
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(253, 185, 19, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-container);
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  padding: calc(var(--space-base) * 1.5) calc(var(--space-base) * 3);
  border: 1px solid var(--primary-container);
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-secondary:hover {
  background-color: var(--primary-container);
  color: var(--on-primary);
}

/* =============================================
   Components - Input Fields
   ============================================= */

.form-group {
  margin-bottom: calc(var(--space-base) * 2);
}

.form-label {
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  color: var(--on-surface);
  display: block;
  margin-bottom: var(--space-base);
}

.form-input {
  width: 100%;
  padding: calc(var(--space-base) * 1.5);
  font-family: var(--font-body);
  font-size: var(--font-body-md);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-default);
  background-color: var(--surface-container-lowest);
  color: var(--on-surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-container);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.form-input::placeholder {
  color: var(--on-surface-variant);
}

/* =============================================
   Components - Chips & Tags
   ============================================= */

.chip {
  display: inline-flex;
  align-items: center;
  padding: calc(var(--space-base) * 0.75) calc(var(--space-base) * 1.5);
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  background-color: var(--primary-fixed);
  color: var(--on-primary-fixed);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.chip:hover {
  background-color: var(--primary-fixed-dim);
}

.chip-secondary {
  background-color: var(--secondary-fixed);
  color: var(--on-secondary-fixed);
}

.chip-secondary:hover {
  background-color: var(--secondary-fixed-dim);
}

/* =============================================
   Utility Classes
   ============================================= */

.shadow-sm {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.shadow-md {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.shadow-lg {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.elevation-card {
  box-shadow: 0 2px 8px rgba(0, 51, 102, 0.08);
}

.elevation-card:hover {
  box-shadow: 0 8px 24px rgba(0, 51, 102, 0.12);
}

.border-default {
  border: 1px solid var(--outline-variant);
}

.rounded-default {
  border-radius: var(--radius-default);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

/* =============================================
   Enhanced Cards - Stats Counter
   ============================================= */

.stats-card {
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-default);
  padding: calc(var(--space-base) * 3);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stats-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--primary-container);
}

.stats-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 51, 102, 0.12);
}

.stats-card-number {
  font-family: var(--font-heading);
  font-size: var(--font-headline-lg);
  font-weight: 700;
  color: var(--primary-container);
  line-height: 1;
  margin-bottom: var(--space-base);
}

.stats-card-text {
  font-family: var(--font-body);
  font-size: var(--font-body-md);
  color: var(--on-surface-variant);
  line-height: 1.4;
}

/* =============================================
   Enhanced Cards - Course/Program Cards
   ============================================= */

.program-card {
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-default);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.program-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(0, 51, 102, 0.15);
}

.program-card-header {
  background-color: var(--primary-container);
  padding: calc(var(--space-base) * 3);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
}

.program-card-header i {
  font-size: 48px;
  color: var(--inverse-primary);
  opacity: 0.8;
}

.program-card-body {
  padding: calc(var(--space-base) * 3);
}

.program-card-title {
  font-family: var(--font-heading);
  font-size: var(--font-headline-md);
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-base);
}

.program-card-description {
  font-family: var(--font-body);
  font-size: var(--font-body-md);
  color: var(--on-surface-variant);
  line-height: 1.6;
  margin-bottom: calc(var(--space-base) * 2);
}

.program-card-link {
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  color: var(--secondary-container);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-base);
  transition: color 0.2s ease;
}

.program-card-link:hover {
  color: var(--on-secondary-container);
}

/* =============================================
   Enhanced Cards - Book Cards
   ============================================= */

.book-card-enhanced {
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-default);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.book-card-enhanced:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 51, 102, 0.12);
}

.book-card-enhanced .book-cover {
  background-color: var(--surface-container);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.book-card-enhanced .book-category {
  position: absolute;
  top: calc(var(--space-base) * 2);
  left: calc(var(--space-base) * 2);
}

.book-card-enhanced .book-info {
  padding: calc(var(--space-base) * 2);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.book-card-enhanced .book-title {
  font-family: var(--font-heading);
  font-size: var(--font-body-lg);
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: var(--space-base);
}

.book-card-enhanced .book-author {
  font-family: var(--font-body);
  font-size: var(--font-body-md);
  color: var(--on-surface-variant);
  margin-bottom: calc(var(--space-base) * 2);
}

.book-card-enhanced .book-actions {
  margin-top: auto;
}

/* =============================================
   Enhanced Cards - Testimonial Cards
   ============================================= */

.testimonial-card-enhanced {
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-default);
  padding: calc(var(--space-base) * 3);
  position: relative;
}

.testimonial-card-enhanced .quote-icon {
  position: absolute;
  top: calc(var(--space-base) * 2);
  right: calc(var(--space-base) * 2);
  font-size: 32px;
  color: var(--secondary-container);
  opacity: 0.3;
}

.testimonial-card-enhanced .quote-text {
  font-family: var(--font-body);
  font-size: var(--font-body-md);
  color: var(--on-surface-variant);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: calc(var(--space-base) * 2);
}

.testimonial-card-enhanced .author-name {
  font-family: var(--font-heading);
  font-size: var(--font-body-lg);
  font-weight: 600;
  color: var(--on-surface);
}

.testimonial-card-enhanced .author-info {
  font-family: var(--font-body);
  font-size: var(--font-caption);
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* =============================================
   Enhanced Buttons
   ============================================= */

.btn-cta {
  background-color: var(--secondary-container);
  color: var(--on-surface);
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  padding: calc(var(--space-base) * 1.5) calc(var(--space-base) * 3);
  border: none;
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-base);
}

.btn-cta:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(253, 185, 19, 0.4);
  color: var(--on-surface);
}

.btn-cta-outline {
  background-color: transparent;
  color: var(--primary-container);
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  padding: calc(var(--space-base) * 1.5) calc(var(--space-base) * 3);
  border: 1px solid var(--primary-container);
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-base);
}

.btn-cta-outline:hover {
  background-color: var(--primary-container);
  color: var(--on-primary);
}

/* =============================================
   Enhanced Form Inputs
   ============================================= */

.form-input-enhanced {
  width: 100%;
  padding: calc(var(--space-base) * 1.5);
  font-family: var(--font-body);
  font-size: var(--font-body-md);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-default);
  background-color: var(--surface-container-lowest);
  color: var(--on-surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input-enhanced:focus {
  outline: none;
  border-color: var(--primary-container);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.form-input-enhanced::placeholder {
  color: var(--on-surface-variant);
}

.form-label-enhanced {
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  color: var(--on-surface);
  display: block;
  margin-bottom: var(--space-base);
}

/* =============================================
   Enhanced Chips/Badges
   ============================================= */

.chip-enhanced {
  display: inline-flex;
  align-items: center;
  padding: calc(var(--space-base) * 0.75) calc(var(--space-base) * 1.5);
  font-family: var(--font-heading);
  font-size: var(--font-label-md);
  font-weight: 600;
  background-color: var(--primary-fixed);
  color: var(--on-primary-fixed);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.chip-enhanced:hover {
  background-color: var(--primary-fixed-dim);
  color: var(--on-primary-fixed);
}

.chip-enhanced-secondary {
  background-color: var(--secondary-fixed);
  color: var(--on-secondary-fixed);
}

.chip-enhanced-secondary:hover {
  background-color: var(--secondary-fixed-dim);
}

/* =============================================
   Dashboard Stat Cards
   ============================================= */

.dashboard-stat-card {
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-default);
  padding: calc(var(--space-base) * 2.5);
  display: flex;
  align-items: center;
  gap: calc(var(--space-base) * 2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dashboard-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 51, 102, 0.08);
}

.dashboard-stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-default);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.dashboard-stat-card .stat-icon-primary {
  background-color: var(--primary-fixed);
  color: var(--primary-container);
}

.dashboard-stat-card .stat-icon-secondary {
  background-color: var(--secondary-fixed);
  color: var(--on-secondary-fixed-variant);
}

.dashboard-stat-card .stat-content {
  flex: 1;
}

.dashboard-stat-card .stat-value {
  font-family: var(--font-heading);
  font-size: var(--font-headline-md);
  font-weight: 700;
  color: var(--on-surface);
  line-height: 1;
}

.dashboard-stat-card .stat-label {
  font-family: var(--font-body);
  font-size: var(--font-label-md);
  color: var(--on-surface-variant);
  margin-top: var(--space-base);
}