/* ==========================================================================
   SHIKSHA COMPUTER ACADEMY - MODERN RESPONSIVE STYLESHEET
   Mobile, Tablet & Laptop Friendly Design System
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-deep: #0f172a;
  --primary-light: #eff6ff;
  --primary-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  --hero-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #1e3a8a 100%);
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  --success: #10b981;
  --success-light: #ecfdf5;

  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 20px 30px -10px rgba(37, 99, 235, 0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);

  --header-height: 76px;
  --container-max: 1380px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --- Container & Utilities --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.section-spacer {
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.785rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.badge-accent {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-success {
  background-color: var(--success-light);
  color: #065f46;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.875rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: var(--text-muted);
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.25;
  transition: all var(--transition-normal);
  text-align: center;
  min-height: 46px;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.38);
}

.btn-accent {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(234, 88, 12, 0.28);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(234, 88, 12, 0.38);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #ffffff;
}

.btn-white {
  background: #ffffff;
  color: var(--primary-deep);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background: #f8fafc;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  min-height: 38px;
  border-radius: var(--radius-sm);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   TOP BAR & HEADER NAVIGATION
   ========================================================================== */
.top-notice-bar {
  background-color: var(--primary-deep);
  color: #e2e8f0;
  font-size: 0.825rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-notice-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-contact-info {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-contact-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-contact-item a:hover {
  color: #ffffff;
}

.top-affiliation {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #fbbf24;
  font-weight: 500;
}

/* Header & Sticky Nav */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

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

.brand-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-gradient);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

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

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.brand-tagline {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

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

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

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

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Mobile Nav Toggle Button */
.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle);
  color: var(--primary-deep);
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background-color: #e2e8f0;
}

/* Mobile Drawer Overlay */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 82%;
  max-width: 340px;
  height: 100vh;
  background-color: #ffffff;
  z-index: 2000;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  transition: right var(--transition-smooth);
  padding: 1.5rem;
  overflow-y: auto;
}

.mobile-drawer.open {
  right: 0;
}

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.drawer-close-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.drawer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.drawer-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  color: var(--text-main);
  background: transparent;
  transition: background-color var(--transition-fast);
}

.drawer-nav-link:hover, .drawer-nav-link.active {
  background-color: var(--primary-light);
  color: var(--primary);
}

.drawer-footer-contact {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  background: var(--hero-gradient);
  color: #ffffff;
  padding: clamp(3.5rem, 6vw, 6rem) 0 clamp(4rem, 7vw, 7rem);
  overflow: hidden;
}

.hero-glow-1 {
  position: absolute;
  top: -10%;
  left: -5%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, rgba(37, 99, 235, 0) 70%);
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  bottom: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, rgba(245, 158, 11, 0) 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 2;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  color: #fbbf24;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: #ffffff;
}

.hero-title span {
  background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 50%, #fcd34d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: #cbd5e1;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 580px;
}

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

.hero-features-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  width: 100%;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #e2e8f0;
  font-weight: 500;
}

.hero-feature-item svg {
  color: #34d399;
}

/* Hero Media / Card Box */
.hero-media-wrapper {
  position: relative;
}

.hero-card-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-card-frame img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
}

.hero-floating-stat {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-xl);
}

.stat-icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.stat-content h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
}

.stat-content p {
  font-size: 0.75rem;
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-floating-badge {
  position: absolute;
  top: -15px;
  right: -15px;
  background: rgba(37, 99, 235, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   STATS COUNTER BAR
   ========================================================================== */
.stats-banner {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 2.5rem 0;
  position: relative;
  z-index: 10;
  margin-top: -30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat-box {
  padding: 0.5rem 1rem;
  border-right: 1px solid var(--border-color);
}

.stat-box:last-child {
  border-right: none;
}

.stat-number {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.about-visual {
  position: relative;
}

.about-card-banner {
  background: var(--primary-gradient);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-card-banner::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.about-card-banner h3 {
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.about-card-banner p {
  color: #e0e7ff;
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.about-highlights-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.about-highlight-point {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.about-highlight-point svg {
  color: #fbbf24;
  flex-shrink: 0;
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  right: 20px;
  background: #ffffff;
  color: var(--primary-deep);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  text-align: center;
}

.about-experience-badge h4 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.about-experience-badge p {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.about-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.about-pillars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
  width: 100%;
}

.about-pillar-box {
  background: var(--bg-card);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.about-pillar-box:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pillar-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.about-pillar-box h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 0.25rem;
}

.about-pillar-box p {
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* ==========================================================================
   COURSES CATALOG SECTION
   ========================================================================== */
.courses-section {
  background-color: var(--bg-subtle);
}

/* Search & Filter Toolbar */
.courses-toolbar {
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.course-search-wrapper {
  position: relative;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.course-search-input {
  width: 100%;
  padding: 0.85rem 1.25rem 0.85rem 3rem;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border-color);
  background-color: #ffffff;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.course-search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.search-icon-svg {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  pointer-events: none;
}

/* Filter Tab Pills */
.filter-pills-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.filter-pill-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  background-color: #ffffff;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.filter-pill-btn:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: rgba(37, 99, 235, 0.3);
}

.filter-pill-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

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

/* Course Card */
.course-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(37, 99, 235, 0.35);
}

.course-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.course-icon-holder {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.course-meta-code {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-light);
  background: var(--bg-subtle);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

.course-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.course-card-summary {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Course Metadata Key-Values */
.course-specs-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background-color: var(--bg-subtle);
  padding: 0.875rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
}

.course-spec-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
}

.course-spec-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

.course-spec-item span.label {
  color: var(--text-muted);
  font-weight: 500;
}

.course-spec-item span.value {
  color: var(--primary-deep);
  font-weight: 700;
}

/* Course Action Buttons */
.course-card-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
}

.no-courses-found {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-color);
}

.no-courses-found svg {
  margin: 0 auto 1rem;
  color: var(--text-light);
}

.no-courses-found h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 0.5rem;
}

.no-courses-found p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   SYLLABUS MODAL DIALOG
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

.syllabus-modal {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  transform: scale(0.95);
  transition: transform var(--transition-smooth);
  position: relative;
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .syllabus-modal {
  transform: scale(1);
}

.modal-header {
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  background-color: var(--bg-subtle);
  position: sticky;
  top: 0;
  z-index: 10;
}

.modal-header-info h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1.2;
}

.modal-header-badges {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.modal-close-btn:hover {
  background-color: #fee2e2;
  color: #ef4444;
  border-color: #fca5a5;
}

.modal-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.modal-quick-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  background: var(--primary-light);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(37, 99, 235, 0.15);
}

.stat-item-inner {
  display: flex;
  flex-direction: column;
}

.stat-item-inner span.lbl {
  font-size: 0.725rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
}

.stat-item-inner span.val {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary-deep);
}

.syllabus-semester-box {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.syllabus-semester-title {
  background-color: var(--bg-subtle);
  padding: 0.85rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-deep);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.syllabus-topics-list {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.syllabus-topic-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.885rem;
  color: var(--text-main);
}

.syllabus-topic-item svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.career-options-wrapper h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 0.75rem;
}

.career-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.career-tag {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

.modal-footer {
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ==========================================================================
   WHY CHOOSE US / FEATURES
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
  margin-top: 3rem;
}

.feature-box {
  background-color: #ffffff;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all var(--transition-normal);
}

.feature-box:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.feature-icon-box {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-box:nth-child(2) .feature-icon-box {
  background: #fef3c7;
  color: #d97706;
}

.feature-box:nth-child(3) .feature-icon-box {
  background: #ecfdf5;
  color: #059669;
}

.feature-box:nth-child(4) .feature-icon-box {
  background: #f3e8ff;
  color: #7c3aed;
}

.feature-box h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 0.75rem;
}

.feature-box p {
  font-size: 0.885rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   ADMISSION ENQUIRY & CONTACT SECTION
   ========================================================================== */
.contact-section {
  background-color: var(--bg-subtle);
}

.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.contact-info-card {
  background: var(--primary-gradient);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
}

.contact-info-card h3 {
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.contact-info-card p.lead-text {
  color: #dbeafe;
  font-size: 0.95rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.contact-direct-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

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

.direct-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.direct-details h4 {
  font-size: 0.825rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #93c5fd;
  margin-bottom: 0.25rem;
}

.direct-details p, .direct-details a {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
}

.direct-details a:hover {
  text-decoration: underline;
}

/* Quick Action Channels (WhatsApp / Call) */
.quick-connect-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background-color: #20ba59;
  transform: translateY(-2px);
}

/* Form Container Card */
.enquiry-form-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.enquiry-form-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-deep);
  margin-bottom: 0.5rem;
}

.enquiry-form-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-main);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

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

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

/* Toast Alert Message */
.form-toast {
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
  margin-top: 1rem;
}

.form-toast.success {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  display: block;
}

.form-toast.error {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  display: block;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--primary-deep);
  color: #cbd5e1;
  padding-top: 4.5rem;
  padding-bottom: 2rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links-list a {
  font-size: 0.9rem;
  color: #94a3b8;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links-list a:hover {
  color: #ffffff;
  transform: translateX(3px);
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: #64748b;
}

.footer-bottom a {
  color: #94a3b8;
}

.footer-bottom a:hover {
  color: #ffffff;
}

/* ==========================================================================
   FLOATING QUICK ACTIONS & SCROLL TOP
   ========================================================================== */
.floating-actions {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.float-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.float-btn:hover {
  transform: scale(1.08);
}

.float-whatsapp {
  background-color: #25d366;
  color: #ffffff;
}

.scroll-top-btn {
  background-color: var(--primary-deep);
  color: #ffffff;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (Mobile, Tablet, Laptop)
   ========================================================================== */

/* Tablet (max-width: 992px) */
@media (max-width: 992px) {
  .desktop-nav, .header-cta-group .btn {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-features-list {
    justify-content: center;
  }

  .hero-media-wrapper {
    max-width: 550px;
    margin: 0 auto;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .stat-box:nth-child(2) {
    border-right: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-layout-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

/* Mobile (max-width: 640px) */
@media (max-width: 640px) {
  .top-notice-bar {
    display: none; /* Hide topbar on small screens for cleaner header */
  }

  .header-container {
    height: 66px;
  }

  .brand-title {
    font-size: 1.1rem;
  }

  .brand-tagline {
    font-size: 0.65rem;
  }

  .section-spacer {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .stat-box {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
  }

  .stat-box:nth-last-child(-n+2) {
    border-bottom: none;
    padding-bottom: 0;
  }

  .courses-grid {
    grid-template-columns: 1fr;
  }

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

  .about-pillars-grid {
    grid-template-columns: 1fr;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero-floating-stat {
    left: 10px;
    bottom: -15px;
    padding: 0.75rem 1rem;
  }

  .modal-quick-stats {
    grid-template-columns: 1fr;
  }
}