/* ==========================================================================
   COPERSADA ACADEMY — Modern Design System (CSS)
   PT Cipta Optima Persada (Divisi 06: Pelatihan Teknik & EdTech)
   ========================================================================== */

:root {
  /* Color Palette - Light Theme */
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-alt: #F1F5F9;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-glass: rgba(255, 255, 255, 0.75);

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;

  --navy-corporate: #0A2540;
  --navy-dark: #001A72;
  --navy-nav: #00227B;
  --cyan-tech: #00A8E8;
  --cyan-hover: #0096D1;
  --cyan-subtle: rgba(0, 168, 232, 0.12);

  --gold-accent: #D97706;
  --gold-subtle: rgba(217, 119, 6, 0.12);

  --success: #10B981;
  --success-subtle: rgba(16, 185, 129, 0.12);

  --border-light: #E2E8F0;
  --border-card: #CBD5E1;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.12), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Color Palette - Dark Theme */
[data-theme="dark"] {
  --bg-primary: #080D1A;
  --bg-secondary: #0F172A;
  --bg-alt: #131E36;
  --bg-card: rgba(15, 23, 42, 0.88);
  --bg-glass: rgba(15, 23, 42, 0.75);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --border-light: #1E293B;
  --border-card: #2E3E5B;

  --cyan-subtle: rgba(0, 168, 232, 0.18);
  --gold-subtle: rgba(217, 119, 6, 0.18);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 30px -5px rgba(0, 0, 0, 0.8);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: 106px; /* Offset for fixed header */
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

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

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

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.bg-alt {
  background-color: var(--bg-alt);
}

.text-center {
  text-align: center;
}

/* ==========================================================================
   Fixed Top Header (Dua Baris Sesuai Standar Copersada)
   ========================================================================== */
.fixed-top-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transition: all var(--transition-normal);
}

/* Baris 1: Top Bar */
.header-top-bar {
  background-color: #ECEFF1;
  border-bottom: 1px solid #CFD8DC;
  padding: 8px 0;
  transition: background-color var(--transition-normal);
}

[data-theme="dark"] .header-top-bar {
  background-color: #0c1222;
  border-bottom: 1px solid #1e293b;
}

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

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.header-logo-img {
  height: 46px;
  width: auto;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.header-brand:hover .header-logo-img {
  transform: scale(1.06);
}

.header-brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  line-height: 1.1;
}

.brand-title-main {
  font-size: 1.35rem;
  font-weight: 900;
  color: #001A72;
  letter-spacing: 0.5px;
}

[data-theme="dark"] .brand-title-main {
  color: #FFFFFF;
}

.brand-title-sub {
  font-size: 0.80rem;
  font-weight: 800;
  color: #0284C7;
  letter-spacing: 2.5px;
}

.header-top-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10B981;
  font-size: 0.78rem;
  font-weight: 600;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 8px #10B981;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.btn-theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition-fast);
  color: var(--text-primary);
}

.btn-theme-toggle:hover {
  transform: rotate(20deg);
  background-color: var(--bg-alt);
}

.btn-wa-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #10B981, #059669);
  color: #FFFFFF;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
  transition: all var(--transition-fast);
}

.btn-wa-header:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.45);
}

/* Baris 2: Main Navigation Bar */
.header-nav-bar {
  background-color: var(--navy-nav);
  padding: 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.header-nav-inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  overflow-x: auto;
}

.nav-item {
  display: block;
  padding: 10px 14px;
  color: #E2E8F0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
  color: #38BDF8;
  border-bottom-color: #38BDF8;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 3.5rem 0;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 10% 20%, rgba(0, 168, 232, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 90% 80%, rgba(10, 37, 64, 0.15) 0%, transparent 50%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--cyan-subtle);
  border: 1px solid rgba(0, 168, 232, 0.3);
  color: var(--cyan-tech);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.85rem;
  font-weight: 900;
  line-height: 1.18;
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

.text-gradient {
  background: linear-gradient(135deg, #00A8E8, #38BDF8 60%, #60A5FA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #00A8E8, #0077B6);
  color: #FFFFFF;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 4px 14px rgba(0, 168, 232, 0.35);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 168, 232, 0.5);
  color: #FFFFFF;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--cyan-tech);
  transform: translateY(-2px);
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
}

.highlight-item {
  display: flex;
  flex-direction: column;
}

.highlight-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--cyan-tech);
  line-height: 1.1;
}

.highlight-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.35;
  margin-top: 4px;
}

.hero-visual-col {
  position: relative;
}

.hero-img-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-card);
}

.hero-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-img-wrapper:hover .hero-img {
  transform: scale(1.03);
}

.hero-img-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
}

.pulse-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 10px #10B981;
  animation: pulse-dot 2s infinite;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.badge-sub {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--cyan-tech);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Format Pelatihan (3 Cards Grid)
   ========================================================================== */
.format-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.format-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 2.25rem 1.75rem;
  position: relative;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.format-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--cyan-tech);
}

.format-card.featured {
  border-color: var(--cyan-tech);
  background: linear-gradient(180deg, rgba(0, 168, 232, 0.04), var(--bg-card));
  box-shadow: 0 8px 24px rgba(0, 168, 232, 0.15);
}

.featured-ribbon {
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, #00A8E8, #0077B6);
  color: #FFFFFF;
  padding: 4px 10px;
  font-size: 0.70rem;
  font-weight: 800;
  border-radius: var(--radius-full);
  letter-spacing: 1px;
}

.format-icon {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
}

.format-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.format-desc {
  font-size: 0.90rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.format-list {
  list-style: none;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.format-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.format-list li::before {
  content: "✓";
  color: #10B981;
  font-weight: bold;
}

/* ==========================================================================
   Katalog Program & Filters
   ========================================================================== */
.catalog-filters {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--cyan-tech);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--cyan-tech);
  color: #FFFFFF;
  border-color: var(--cyan-tech);
  box-shadow: 0 4px 12px rgba(0, 168, 232, 0.35);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
}

.course-card:hover {
  transform: translateY(-5px);
  border-color: var(--cyan-tech);
  box-shadow: var(--shadow-lg);
}

.course-card.featured-course {
  border-color: rgba(0, 168, 232, 0.4);
  background: linear-gradient(180deg, rgba(0, 168, 232, 0.03), var(--bg-card));
}

.course-ribbon {
  position: absolute;
  top: 14px;
  right: 14px;
  background: linear-gradient(135deg, #D97706, #B45309);
  color: #FFFFFF;
  padding: 3px 8px;
  font-size: 0.68rem;
  font-weight: 800;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.course-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.course-code {
  font-family: var(--font-mono);
  font-size: 0.80rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  color: var(--cyan-tech);
  border: 1px solid var(--border-light);
}

.course-badge {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.course-title {
  font-size: 1.20rem;
  line-height: 1.35;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.course-summary {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 14px;
}

.course-meta {
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.course-pricing {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  margin-bottom: 14px;
}

.price-val {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
}

.price-unit {
  font-size: 0.75rem;
  font-weight: normal;
  color: var(--text-muted);
}

.price-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.course-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn-detail {
  background: transparent;
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  padding: 9px 12px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-detail:hover {
  background: var(--bg-alt);
  border-color: var(--cyan-tech);
}

.btn-enroll {
  background: linear-gradient(135deg, #10B981, #059669);
  color: #FFFFFF;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
  transition: all var(--transition-fast);
}

.btn-enroll:hover {
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
  color: #FFFFFF;
}

/* ==========================================================================
   Simulator Verifikasi Sertifikat
   ========================================================================== */
.cert-tool-wrapper {
  max-width: 820px;
  margin: 0 auto;
}

.cert-search-box {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
}

.search-input-group {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-primary);
  border: 2px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 6px 8px 6px 16px;
  transition: border-color var(--transition-fast);
}

.search-input-group:focus-within {
  border-color: var(--cyan-tech);
}

.search-icon {
  font-size: 1.25rem;
}

.search-input-group input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-primary);
}

.cert-samples {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 1rem;
  flex-wrap: wrap;
  font-size: 0.80rem;
  color: var(--text-muted);
}

.sample-tag {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  color: var(--cyan-tech);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sample-tag:hover {
  background: var(--cyan-subtle);
  border-color: var(--cyan-tech);
}

/* Result Certificate Card */
.cert-result-container {
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.cert-card-preview {
  background: #FFFFFF;
  color: #0F172A;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
  border: 8px double #CBD5E1;
  position: relative;
  overflow: hidden;
}

.cert-card-preview::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(0, 168, 232, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid #E2E8F0;
  margin-bottom: 1.5rem;
}

.cert-logo-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cert-badge-valid {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #DCFCE7;
  color: #15803D;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.80rem;
  font-weight: 800;
  border: 1px solid #86EFAC;
}

.cert-title-area {
  text-align: center;
  margin-bottom: 1.75rem;
}

.cert-main-heading {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: #0A2540;
}

.cert-reg-no {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #64748B;
  margin-top: 4px;
}

.cert-body {
  text-align: center;
  margin-bottom: 2rem;
}

.cert-recipient {
  font-size: 1.75rem;
  font-weight: 800;
  color: #001A72;
  text-decoration: underline;
  text-underline-offset: 6px;
  margin: 10px 0;
}

.cert-course-name {
  font-size: 1.20rem;
  font-weight: 700;
  color: #0A2540;
  margin: 12px 0 6px 0;
}

.cert-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: flex-end;
  padding-top: 1.5rem;
  border-top: 1px solid #E2E8F0;
}

.cert-meta-item {
  font-size: 0.82rem;
  color: #475569;
  line-height: 1.6;
}

/* ==========================================================================
   Instruktur Grid
   ========================================================================== */
.instructor-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.75rem;
}

.instructor-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.instructor-card.primary-inst {
  border-color: var(--cyan-tech);
  background: linear-gradient(180deg, var(--cyan-subtle), var(--bg-card));
  box-shadow: 0 8px 24px rgba(0, 168, 232, 0.12);
}

.inst-avatar {
  margin-bottom: 1.25rem;
}

.avatar-ph {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 2px solid var(--cyan-tech);
}

.inst-role {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--cyan-tech);
  display: block;
  margin-bottom: 6px;
}

.inst-name {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.inst-bio {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.inst-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.inst-tags span {
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: var(--bg-alt);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}

/* ==========================================================================
   In-House Banner
   ========================================================================== */
.inhouse-banner {
  background: linear-gradient(135deg, #0A2540, #001A72 70%, #00227B);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  color: #FFFFFF;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.inhouse-banner::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 168, 232, 0.2), transparent 70%);
  pointer-events: none;
}

.inhouse-title {
  font-size: 2.20rem;
  margin-bottom: 1rem;
  color: #FFFFFF;
}

.inhouse-desc {
  font-size: 1rem;
  color: #CBD5E1;
  line-height: 1.7;
  max-width: 820px;
  margin-bottom: 2.25rem;
}

.inhouse-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--cyan-tech);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

.step-item strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.step-item p {
  font-size: 0.82rem;
  color: #94A3B8;
  line-height: 1.45;
}

/* ==========================================================================
   Modal Silabus
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-backdrop.active {
  display: flex;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  max-width: 650px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: modalPop 0.3s ease;
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.modal-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan-tech);
  background: var(--cyan-subtle);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 6px;
}

.modal-title {
  font-size: 1.30rem;
  line-height: 1.3;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.modal-body {
  padding: 1.5rem 1.75rem;
  overflow-y: auto;
  font-size: 0.90rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.modal-footer {
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: #060B14;
  color: #94A3B8;
  padding: 4.5rem 0 2rem 0;
  margin-top: auto;
  border-top: 1px solid #1E293B;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #F8FAFC;
  margin-bottom: 1.25rem;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  font-size: 0.85rem;
  color: #94A3B8;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #38BDF8;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid #1E293B;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.80rem;
  color: #64748B;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .format-grid, .course-grid, .instructor-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .instructor-grid {
    grid-template-columns: 1fr;
  }
  .inhouse-steps {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 110px;
  }
  .hero-title {
    font-size: 2.15rem;
  }
  .format-grid, .course-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .status-pill {
    display: none;
  }
  .hero-highlights {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}