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

:root {
  /* Default Theme Variables (Strict Light Mode) */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --border-color: #e2e8f0;
  --border-color-hover: rgba(2, 132, 199, 0.3);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  /* Accent Colors */
  --accent-cyan: #0284c7;
  --accent-purple: #7c3aed;
  --accent-blue: #2563eb;
  --accent-orange: #ea580c;
  --accent-green: #059669;
  
  /* Gradients */
  --grad-cyan-purple: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  --grad-blue-purple: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
  --grad-orange: linear-gradient(135deg, #f97316 0%, #dd5209 100%);
  --grad-dark-mesh: radial-gradient(at 0% 0%, rgba(124, 58, 237, 0.05) 0px, transparent 50%),
                    radial-gradient(at 100% 100%, rgba(14, 165, 233, 0.05) 0px, transparent 50%);
                    
  /* Glow Effects */
  --glow-cyan: 0 0 20px rgba(2, 132, 199, 0.15);
  --glow-purple: 0 0 20px rgba(124, 58, 237, 0.15);
  --shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.06);
  --shadow-navbar: 0 4px 20px rgba(15, 23, 42, 0.03);

  /* Fonts */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  /* Timing */
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  background-image: var(--grad-dark-mesh);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.5s ease;
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

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

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

ul {
  list-style: none;
}

/* Grid & Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
  }
}

section {
  padding: 8rem 0;
  position: relative;
}

@media (max-width: 768px) {
  section {
    padding: 5rem 0;
  }
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  background: var(--grad-cyan-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2.25rem;
  }
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
  transform: translateY(-5px);
  box-shadow: 0 15px 35px -10px rgba(15, 23, 42, 0.1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.05);
}

.btn-primary {
  background: var(--grad-cyan-purple);
  color: #fff;
}

.btn-primary:hover {
  box-shadow: var(--glow-cyan), var(--glow-purple);
  transform: scale(1.02);
}

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

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: rgba(2, 132, 199, 0.05);
  color: var(--accent-cyan);
}

.btn-whatsapp {
  background: #25D366;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #20ba59;
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: 8px;
}

/* Tech Grid Background Pattern */
.tech-grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(rgba(15, 23, 42, 0.02) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(15, 23, 42, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 1;
}

/* Header & Floating Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: var(--transition-smooth);
}

.header.stuck {
  padding: 0.75rem 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-navbar);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-primary);
}

.logo img {
  height: 80px;
  width: auto;
  border-radius: 6px;
}

.logo-text span {
  color: var(--accent-cyan);
}

.logo-subtext {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-top: -2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.header-action-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}

.header-social-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.header-social-link {
  color: var(--text-secondary);
  font-size: 0.8rem;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.header-social-link:hover {
  color: var(--accent-cyan);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.mobile-social-links {
  display: none;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  width: 100%;
}

.mobile-social-links .header-social-link {
  width: 36px;
  height: 36px;
  font-size: 1rem;
}

@media (max-width: 992px) {
  .header-action-wrapper {
    align-items: center;
  }
  .header-social-links {
    display: none;
  }
  .mobile-social-links {
    display: flex;
  }
}

.mobile-menu-toggle {
  display: none;
  font-size: 1.5rem;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
}

@media (max-width: 992px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: -100vh;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 3rem 2rem;
    flex-direction: column;
    gap: 1.5rem;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 99;
    box-shadow: var(--shadow-navbar);
  }
  
  .nav-menu.open {
    top: 70px;
  }
  
  .nav-actions {
    margin-right: 1.5rem;
  }
}

/* Hero Section */
.hero {
  padding-top: 12rem;
  padding-bottom: 8rem;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero {
    padding-top: 8rem;
    padding-bottom: 5rem;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--accent-purple);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.75rem;
  }
}

.hero-title span {
  background: var(--grad-cyan-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text {
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

@media (max-width: 576px) {
  .hero-highlights {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.hero-highlight-item h4 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  background: var(--grad-cyan-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-highlight-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.hero-visual {
  position: relative;
  z-index: 2;
  margin-top: -3.5rem;
}

/* Stats Section */
.stats-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 3rem 0;
  position: relative;
  z-index: 5;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  text-align: center;
}

@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  background: var(--grad-cyan-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* About Section */
.about {
  position: relative;
}

.about-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  margin-top: 2rem;
}

.about-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

@media (max-width: 992px) {
  .about-grid-3col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .about-grid-2col,
  .about-grid-3col {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}

.about-card {
  display: flex;
  gap: 1.5rem;
  padding: 2.25rem 2rem;
}

.about-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.about-icon-cyan {
  background: rgba(2, 132, 199, 0.08);
  border: 1px solid rgba(2, 132, 199, 0.2);
  color: var(--accent-cyan);
}

.about-icon-purple {
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.2);
  color: var(--accent-purple);
}

.about-icon-blue {
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  color: var(--accent-blue);
}

.about-icon-orange {
  background: rgba(234, 88, 12, 0.08);
  border: 1px solid rgba(234, 88, 12, 0.2);
  color: var(--accent-orange);
}

.about-icon-green {
  background: rgba(5, 150, 105, 0.08);
  border: 1px solid rgba(5, 150, 105, 0.25);
  color: var(--accent-green);
}

.about-card-info h4 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.about-card-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.about-specialization-card {
  padding: 2.5rem 2rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  transition: var(--transition-smooth);
}

.about-specialization-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-color-hover);
  box-shadow: var(--glow-cyan);
}

.about-spec-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 0.25rem;
}

.about-spec-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.about-spec-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1.25rem;
}

.about-list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  line-height: 1.6;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.about-list-item i {
  margin-top: 0.25rem;
  font-size: 0.95rem;
  flex-shrink: 0;
}

/* Courses Section */
.courses {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.courses-filter {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn i {
  margin-right: 0.5rem;
}

.filter-btn:hover, .filter-btn.active {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(2, 132, 199, 0.05);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 992px) {
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .courses-grid {
    grid-template-columns: 1fr;
  }
}

.course-card {
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.course-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.03);
}

.course-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
}

.course-card:hover .course-image {
  transform: scale(1.06);
}

.course-image-wrapper .course-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 5;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.course-card-content {
  padding: 1.75rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.course-card-header {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.course-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  margin-top: -3.5rem; /* overlapping the image boundary */
  border: 4px solid var(--bg-card); /* thick cutout separation border */
  z-index: 10;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
  position: relative;
}

.course-icon.ai-ds {
  background: var(--bg-card);
  border: 4px solid var(--bg-card);
  color: var(--accent-cyan);
  box-shadow: 0 0 0 1px rgba(2, 132, 199, 0.2), 0 6px 16px rgba(15, 23, 42, 0.08);
}

.course-icon.prog {
  background: var(--bg-card);
  border: 4px solid var(--bg-card);
  color: var(--accent-purple);
  box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.2), 0 6px 16px rgba(15, 23, 42, 0.08);
}

.course-icon.os {
  background: var(--bg-card);
  border: 4px solid var(--bg-card);
  color: var(--accent-blue);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.2), 0 6px 16px rgba(15, 23, 42, 0.08);
}

.course-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  letter-spacing: 0.05em;
}

.course-badge.new {
  background: rgba(234, 88, 12, 0.1);
  border: 1px solid rgba(234, 88, 12, 0.25);
  color: var(--accent-orange);
}

.course-badge.cert {
  background: rgba(5, 150, 105, 0.1);
  border: 1px solid rgba(5, 150, 105, 0.25);
  color: var(--accent-green);
}

.course-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.course-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.course-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.course-meta-item i {
  color: var(--accent-cyan);
}

.course-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* Partnerships & MoUs Section */
.mou {
  position: relative;
}

.mou-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 992px) {
  .mou-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.mou-timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mou-item {
  display: flex;
  gap: 1.5rem;
  position: relative;
}

.mou-item::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 20px;
  bottom: -30px;
  width: 2px;
  background: var(--border-color);
  z-index: 1;
}

.mou-item:last-child::before {
  display: none;
}

.mou-bullet {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 0.9rem;
  z-index: 2;
  flex-shrink: 0;
}

.mou-content {
  padding: 1.5rem 2rem;
}

.mou-content h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.mou-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Collaboration Logos */
.collab-logos-container {
  margin-top: 5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 4rem;
}

.collab-logos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  align-items: center;
  justify-items: center;
}

.collab-logo-card {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 110px;
  width: 100%;
}

.collab-logo-card img {
  max-height: 70px;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.8);
  transition: var(--transition-smooth);
}

.collab-logo-card:hover img {
  filter: grayscale(0%) opacity(1);
}

/* Workshops Grid */
.workshop-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 576px) {
  .workshop-grid {
    grid-template-columns: 1fr;
  }
}

.workshop-card {
  padding: 2rem;
  text-align: left;
}

.workshop-card-icon {
  font-size: 1.75rem;
  color: var(--accent-purple);
  margin-bottom: 1.25rem;
}

.workshop-card h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.workshop-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Downloads & Student Resources Section */
.resources {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 992px) {
  .resources-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .resources-grid {
    grid-template-columns: 1fr;
  }
}

.resource-card {
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.resource-icon {
  font-size: 2.25rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(2, 132, 199, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.resource-card:nth-child(2) .resource-icon {
  color: var(--accent-purple);
  background: rgba(124, 58, 237, 0.05);
}

.resource-card:nth-child(3) .resource-icon {
  color: var(--accent-orange);
  background: rgba(234, 88, 12, 0.05);
}

.resource-card:nth-child(4) .resource-icon {
  color: var(--accent-green);
  background: rgba(5, 150, 105, 0.05);
}

.resource-card h4 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.resource-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.resource-card .btn {
  width: 100%;
}

/* Contact Section */
.contact {
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  gap: 1.25rem;
}

.contact-item-icon {
  background: rgba(2, 132, 199, 0.08);
  border: 1px solid rgba(2, 132, 199, 0.2);
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-item-details h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contact-item-details p, .contact-item-details a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-map-mockup {
  height: 200px;
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 2rem;
  cursor: pointer;
}

.contact-map-mockup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle, var(--border-color) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.3;
}

.contact-map-mockup i {
  font-size: 2rem;
  color: var(--accent-orange);
  margin-bottom: 0.75rem;
  animation: float-pin 2s ease-in-out infinite;
}

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

.contact-map-mockup h5 {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 0.25rem;
  z-index: 2;
}

.contact-map-mockup p {
  font-size: 0.8rem;
  color: var(--text-muted);
  z-index: 2;
}

/* Contact Form */
.contact-form-card {
  padding: 3rem;
}

@media (max-width: 576px) {
  .contact-form-card {
    padding: 2rem 1.5rem;
  }
}

.form-group-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 576px) {
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.form-group {
  margin-bottom: 1.75rem;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  transition: var(--transition-fast);
}

.form-control {
  width: 100%;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--text-primary);
  padding: 1rem 1.25rem;
  font-size: 0.95rem;
  border-radius: 10px;
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(2, 132, 199, 0.1);
  background: #ffffff;
}

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

.form-submit-btn {
  width: 100%;
}

.form-success-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem;
  z-index: 5;
  border-radius: 16px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.form-success-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(5, 150, 105, 0.1);
  border: 2px solid var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  animation: scale-up 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scale-up {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.success-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.success-msg {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Course Details Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-container {
  width: 100%;
  max-width: 800px;
  max-height: 85vh;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95);
  transition: var(--transition-smooth);
}

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

.modal-header {
  padding: 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.modal-title h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.modal-title-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.modal-title-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-title-meta i {
  color: var(--accent-cyan);
}

.modal-close-btn {
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--accent-cyan);
  transform: rotate(90deg);
}

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  flex-grow: 1;
}

.modal-body h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--accent-cyan);
}

.modal-body h4:first-child {
  margin-top: 0;
}

.modal-body p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.modal-syllabus-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 576px) {
  .modal-syllabus-list {
    grid-template-columns: 1fr;
  }
}

.modal-syllabus-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.75rem;
  border-radius: 8px;
}

.modal-syllabus-item i {
  color: var(--accent-purple);
  font-size: 0.8rem;
}

.modal-config-box {
  background: rgba(239, 68, 68, 0.03);
  border: 1px dashed rgba(239, 68, 68, 0.2);
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

.modal-config-box h5 {
  font-family: var(--font-heading);
  color: var(--accent-orange);
  font-size: 1rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.modal-config-box ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

@media (max-width: 576px) {
  .modal-config-box ul {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

.modal-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

/* Footer Section */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 5rem 0 2.5rem 0;
  font-size: 0.95rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

@media (max-width: 992px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 576px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.social-link:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.footer-column h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

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

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* Floating Actions & Widgets */
.float-widgets {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.08);
  transition: var(--transition-smooth);
}

.float-btn:hover {
  transform: translateY(-3px) scale(1.05);
}

.whatsapp-widget {
  background: #25D366;
  color: #fff;
  font-size: 1.5rem;
}

.back-to-top-widget {
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  opacity: 0;
  pointer-events: none;
}

.back-to-top-widget.visible {
  opacity: 1;
  pointer-events: all;
}

/* Our Team Section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

@media (max-width: 992px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
}

.team-card {
  padding: 2.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.team-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(2, 132, 199, 0.08);
  border: 2px solid rgba(2, 132, 199, 0.2);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  margin: 0 auto 1.5rem;
  overflow: hidden; /* ensures image doesn't overflow rounded borders */
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s ease;
}

.team-card:hover .team-avatar {
  transform: scale(1.05);
  border-color: var(--accent-cyan);
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.team-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.team-role {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 1.5rem;
  min-height: 2.5rem;
}

.expertise-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.expertise-tags .tag {
  background: rgba(15, 23, 42, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 12px;
}

.read-bio-btn {
  width: 100%;
}

/* Biography Modal Custom Styles */
.biography-modal-container {
  max-width: 720px;
}

.modal-subtitle-role {
  font-size: 0.95rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-top: 0.25rem;
  display: block;
}

.bio-intro-profile-row {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.bio-modal-photo {
  width: 120px;
  height: 120px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
}

@media (max-width: 576px) {
  .bio-intro-profile-row {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .bio-modal-photo {
    width: 100px;
    height: 100px;
    margin-bottom: 1rem;
  }
}

.bio-modal-para {
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.bio-specialties {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.bio-specialties h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.bio-specialties .expertise-tags {
  justify-content: flex-start;
}

.bio-contributions {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.bio-contributions h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.bio-contributions ul {
  padding-left: 0;
}

.bio-contributions li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.bio-contributions li i {
  color: var(--accent-cyan);
  margin-top: 0.25rem;
}

/* Event Highlights Section */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (max-width: 1024px) {
  .highlights-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .highlights-grid {
    grid-template-columns: 1fr;
  }
}

.highlight-item {
  cursor: pointer;
}

.highlight-card {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  aspect-ratio: 4 / 3;
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s, box-shadow 0.4s;
}

.highlight-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
}

.highlight-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan);
  box-shadow: 0 12px 30px rgba(2, 132, 199, 0.15);
}

.highlight-card:hover img {
  transform: scale(1.08);
}

.highlight-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.4) 60%, rgba(15, 23, 42, 0) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.highlight-zoom {
  color: var(--accent-cyan);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  align-self: flex-start;
  transform: translateY(10px);
  transition: transform 0.4s ease;
}

.highlight-card:hover .highlight-zoom {
  transform: translateY(0);
}

.highlight-caption {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
  transform: translateY(10px);
  transition: transform 0.4s ease 0.05s;
}

.highlight-card:hover .highlight-caption {
  transform: translateY(0);
}

.highlights-btn-container {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 1500;
  background: rgba(15, 23, 42, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 3rem;
  cursor: pointer;
  transition: color 0.3s, transform 0.3s;
  z-index: 1510;
  line-height: 1;
}

.lightbox-close:hover {
  color: var(--accent-cyan);
  transform: scale(1.1);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1510;
}

.lightbox-nav:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: #ffffff;
  transform: translateY(-50%) scale(1.08);
}

.lightbox-prev {
  left: 2rem;
}

.lightbox-next {
  right: 2rem;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-caption-panel {
  width: 100%;
  text-align: center;
  margin-top: 1.25rem;
}

.lightbox-caption {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.35rem 0;
  color: #ffffff;
}

.lightbox-counter {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
}

@media (max-width: 768px) {
  .lightbox-modal {
    padding: 1rem;
  }
  
  .lightbox-nav {
    width: 44px;
    height: 44px;
    font-size: 1rem;
  }
  
  .lightbox-prev {
    left: 1rem;
  }
  
  .lightbox-next {
    right: 1rem;
  }
  
  .lightbox-close {
    top: 1rem;
    right: 1rem;
    font-size: 2.5rem;
  }
  
  .lightbox-caption {
    font-size: 1rem;
  }
}