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

/* ==========================================
   CSS VARIABLES & THEME SYSTEM
   ========================================== */
:root {
  /* Fonts */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Colors (Dark Mode - Default) */
  --bg-primary: #070913;
  --bg-secondary: #0d1127;
  --bg-card: rgba(13, 17, 39, 0.45);
  --bg-card-hover: rgba(22, 29, 66, 0.6);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.4);
  
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-primary: #6366f1; /* Indigo */
  --accent-primary-rgb: 99, 102, 241;
  --accent-secondary: #f43f5e; /* Rose */
  --accent-secondary-rgb: 244, 63, 94;
  --accent-tertiary: #fbbf24; /* Amber / Gold */
  
  --glow-color: rgba(99, 102, 241, 0.15);
  
  /* UI Constants */
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --container-width: 1200px;
  --bg-header: rgba(7, 9, 19, 0.75);
}

/* Light Mode Overrides */
.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.65);
  --bg-card-hover: rgba(255, 255, 255, 0.9);
  --border-color: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(99, 102, 241, 0.3);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --accent-primary: #4f46e5;
  --accent-primary-rgb: 79, 70, 229;
  --accent-secondary: #e11d48;
  --accent-secondary-rgb: 225, 29, 72;
  
  --glow-color: rgba(79, 70, 229, 0.08);
  --bg-header: rgba(248, 250, 252, 0.75);
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

/* Ambient glow blobs in background */
body::before, body::after {
  content: "";
  position: absolute;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-primary-rgb), 0.08) 0%, rgba(var(--accent-secondary-rgb), 0.03) 50%, transparent 100%);
  z-index: -2;
  pointer-events: none;
  filter: blur(80px);
  top: 10%;
  left: -10%;
}
body::after {
  background: radial-gradient(circle, rgba(var(--accent-secondary-rgb), 0.07) 0%, rgba(var(--accent-primary-rgb), 0.02) 60%, transparent 100%);
  top: 60%;
  right: -10%;
  left: auto;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

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

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==========================================
   LAYOUT & UTILITIES
   ========================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px auto;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  font-family: var(--font-heading);
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(var(--accent-primary-rgb), 0.25);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: -1;
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(var(--accent-primary-rgb), 0.35);
  transform: translateY(-2px);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}

/* Glass Card Base */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition-smooth);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.2);
}

.glass-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.3), 0 0 15px var(--glow-color);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.header.scrolled {
  height: 70px;
  background: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

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

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

.logo-img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-family: var(--font-heading);
}

.logo-text span {
  font-weight: 400;
  font-size: 0.9rem;
  color: var(--text-muted);
  display: block;
  margin-top: -3px;
  letter-spacing: 0.1em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 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: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transition: var(--transition-smooth);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Theme Toggle Button */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .sun-icon {
  display: none;
}

.light-theme .theme-toggle .sun-icon {
  display: block;
}

.light-theme .theme-toggle .moon-icon {
  display: none;
}

/* Burger Menu */
.burger {
  display: none;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 8px;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: 0.4s;
}

/* ==========================================
   HERO BANNER
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

/* Grid background pattern */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.01) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: center top;
  mask-image: radial-gradient(ellipse at 50% 50%, black, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

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

.hero-tagline {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-primary);
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 24px;
  font-weight: 800;
}

.hero-desc {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 600px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid var(--border-color);
  padding-top: 32px;
}

.stat-item h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 4px;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item p {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

/* Hero Right Side Interactive Display */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-sphere {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.3) 0%, rgba(var(--accent-secondary-rgb), 0.3) 100%);
  filter: blur(40px);
  position: absolute;
  z-index: -1;
  animation: float-sphere 8s infinite alternate ease-in-out;
}

.hero-card {
  width: 100%;
  max-width: 400px;
  position: relative;
  z-index: 1;
}

.mission-vision-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mv-item {
  border-left: 3px solid var(--accent-primary);
  padding-left: 20px;
}

.mv-item.vision {
  border-left-color: var(--accent-secondary);
}

.mv-item h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mv-item p {
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ==========================================
   WHO WE SERVE
   ========================================== */
.serve-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.serve-card {
  display: flex;
  flex-direction: column;
}

.serve-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: rgba(var(--accent-primary-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 24px;
  border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
}

.serve-card:nth-child(2) .serve-icon {
  background: rgba(var(--accent-secondary-rgb), 0.1);
  color: var(--accent-secondary);
  border-color: rgba(var(--accent-secondary-rgb), 0.2);
}

.serve-card:nth-child(3) .serve-icon {
  background: rgba(251, 191, 36, 0.1);
  color: var(--accent-tertiary);
  border-color: rgba(251, 191, 36, 0.2);
}

.serve-card:nth-child(4) .serve-icon {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  border-color: rgba(99, 102, 241, 0.2);
}

.serve-card svg {
  width: 24px;
  height: 24px;
}

.serve-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.serve-card p {
  font-size: 0.95rem;
}

/* ==========================================
   PROGRAMS (WORKSHOPS, MASTERCLASSES, FDPS)
   ========================================== */
.programs-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Tab Navigation */
.tabs-nav {
  display: flex;
  background: var(--bg-card);
  padding: 6px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  margin-bottom: 48px;
}

.tab-btn {
  background: transparent;
  border: none;
  padding: 12px 28px;
  border-radius: 24px;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(var(--accent-primary-rgb), 0.2);
}

/* Subfilters for Masterclasses */
.subfilters-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.subfilters-container.show {
  opacity: 1;
  max-height: 100px;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

/* Program Content Panels */
.tab-panel {
  display: none;
  width: 100%;
  animation: fadeIn 0.6s ease;
}

.tab-panel.active {
  display: block;
}

/* Grid representation */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
}

.program-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.program-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.program-category {
  color: var(--accent-primary);
}

.program-tag {
  background: rgba(var(--accent-primary-rgb), 0.1);
  padding: 4px 10px;
  border-radius: 4px;
}

.program-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  line-height: 1.3;
}

.program-desc {
  font-size: 0.95rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.program-action {
  align-self: flex-start;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.program-action svg {
  width: 16px;
  height: 16px;
  transition: var(--transition-smooth);
}

.program-card:hover .program-action svg {
  transform: translateX(5px);
}

/* ==========================================
   FOUNDER'S MESSAGE
   ========================================== */
.founder-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.founder-img-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.founder-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

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

.founder-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 9, 19, 0.9) 0%, rgba(7, 9, 19, 0) 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
}

.founder-overlay h4 {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.founder-overlay p {
  font-size: 0.9rem;
  color: var(--accent-primary);
  font-weight: 600;
}

.founder-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.founder-quote {
  font-size: 1.1rem;
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 24px;
  position: relative;
}

.founder-quote::before {
  content: "“";
  font-family: serif;
  font-size: 5rem;
  color: var(--accent-primary);
  opacity: 0.25;
  position: absolute;
  top: -40px;
  left: -20px;
  line-height: 1;
}

.founder-paragraphs p {
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.7;
}

.founder-signature {
  margin-top: 24px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

.signature-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
}

.signature-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================
   WHY CHOOSE KDA
   ========================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.why-card {
  display: flex;
  flex-direction: column;
}

.why-num {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.6;
  margin-bottom: 12px;
  line-height: 1;
}

.why-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.why-card p {
  font-size: 0.95rem;
}

/* ==========================================
   COLLABORATIONS / PARTNER FORM
   ========================================== */
.collab-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 60px;
  align-items: center;
}

.collab-info {
  display: flex;
  flex-direction: column;
}

.collab-info h3 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.collab-list {
  list-style: none;
  margin-bottom: 32px;
}

.collab-list li {
  margin-bottom: 12px;
  padding-left: 28px;
  position: relative;
  font-size: 1.05rem;
}

.collab-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-primary);
}

.collab-form-container {
  width: 100%;
}

.form-group {
  margin-bottom: 24px;
  position: relative;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--text-primary);
  font-family: var(--font-body);
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(var(--accent-primary-rgb), 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

/* Success notification message */
.form-alert {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  display: none;
  animation: fadeIn 0.4s ease;
}

/* ==========================================
   GALLERY
   ========================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  grid-auto-rows: 240px;
  gap: 24px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item.wide {
  grid-column: span 2;
}

.gallery-item.tall {
  grid-row: span 2;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 9, 19, 0.7);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition-smooth);
}

.gallery-overlay h4 {
  font-size: 1.15rem;
  margin-bottom: 4px;
  transform: translateY(15px);
  transition: var(--transition-smooth);
}

.gallery-overlay p {
  font-size: 0.85rem;
  color: var(--accent-primary);
  transform: translateY(15px);
  transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-img {
  transform: scale(1.05);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-item:hover .gallery-overlay h4,
.gallery-item:hover .gallery-overlay p {
  transform: translateY(0);
}

/* ==========================================
   CONTACT US & FOOTER
   ========================================== */
.contact-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.contact-card {
  text-align: center;
  padding: 40px 24px;
}

.contact-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(var(--accent-primary-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin: 0 auto 24px auto;
  font-size: 1.5rem;
  border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
}

.contact-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.contact-card p, .contact-card a {
  color: var(--text-secondary);
  font-size: 1rem;
}

.contact-card a:hover {
  color: var(--accent-primary);
}

.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.social-link:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  transform: translateY(-3px);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

/* ==========================================
   PROGRAM DETAILS MODAL
   ========================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 9, 19, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

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

.modal-container {
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  transform: scale(0.9);
  transition: var(--transition-smooth);
}

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

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-close svg {
  width: 24px;
  height: 24px;
}

.modal-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.modal-title {
  font-size: 1.8rem;
  margin-bottom: 16px;
  line-height: 1.3;
}

.modal-desc {
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.modal-info-block {
  margin-bottom: 30px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

.modal-info-block h4 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.modal-info-list {
  list-style: none;
}

.modal-info-list li {
  margin-bottom: 8px;
  padding-left: 24px;
  position: relative;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.modal-info-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-secondary);
}

/* Lightbox Modal */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 9, 19, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

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

.lightbox-img-wrapper {
  max-width: 90vw;
  max-height: 80vh;
  position: relative;
}

.lightbox-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

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

@keyframes float-sphere {
  0% { transform: translateY(0px) rotate(0deg) scale(1); }
  100% { transform: translateY(-20px) rotate(15deg) scale(1.05); }
}

/* ==========================================
   RESPONSIVE LAYOUTS
   ========================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3.2rem;
  }
  
  .founder-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .collab-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .section {
    padding: 70px 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero {
    padding-top: calc(var(--header-height) + 20px);
    padding-bottom: 60px;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-stats {
    flex-wrap: wrap;
    gap: 20px 40px;
  }
  
  /* Mobile Menu */
  .burger {
    display: block;
    z-index: 101;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
    transition: 0.5s ease-in-out;
    z-index: 100;
    padding: 40px;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .burger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }
  
  .burger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .burger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .gallery-item.wide {
    grid-column: span 1;
  }
}