/**
 * ADI PARTNERSHIP LANDING - TILDA CUSTOM STYLES
 * Upload this file to Tilda: Site Settings > More > Custom Code > CSS
 * 
 * BRAND GUIDELINES:
 * - Jost font for all headlines (H1-H6)
 * - Wix Madefor Text for body copy
 * - ADI Blue: #0080FF
 * - Deep Dark Blue: #151B25
 * - Crystal Blue: #EDFAFF
 * - Paper: #F1F1F1
 */

/* ===========================
   FONTS
   =========================== */
@import url('https://fonts.googleapis.com/css2?family=Jost:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Wix+Madefor+Text:wght@400;500;600;700&display=swap');

/* ===========================
   ADI BRAND VARIABLES
   =========================== */
:root {
  /* Brand Colors */
  --adi-blue: #0080FF;
  --adi-deep-dark-blue: #151B25;
  --adi-crystal-blue: #EDFAFF;
  --adi-paper: #F1F1F1;
  --adi-white: #FFFFFF;
  
  /* School Colors */
  --school-design: #9547F3;
  --school-business: #F94F00;
  --school-development: #1EB1FF;
  --school-marketing: #F5C400;
  --school-ai: #542CFA;
  --school-blockchain: #00BFBF;
  
  /* Gradients */
  --gradient-blue: linear-gradient(135deg, #0080FF 0%, #0070E0 100%);
  --gradient-hero-bg: linear-gradient(135deg, #151B25 0%, #0d1117 50%, #151B25 100%);
  --gradient-light-blue: linear-gradient(135deg, #EDFAFF 0%, #FFFFFF 50%, #EDFAFF 100%);
  --gradient-paper: linear-gradient(180deg, #F1F1F1 0%, #FFFFFF 100%);
  --gradient-yellow: linear-gradient(135deg, #F5C400 0%, #F0B700 100%);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
  --shadow-blue: 0 8px 24px rgba(0, 128, 255, 0.2);
  --shadow-yellow: 0 8px 24px rgba(245, 196, 0, 0.2);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
}

/* ===========================
   TYPOGRAPHY
   =========================== */
body {
  font-family: 'Wix Madefor Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--adi-deep-dark-blue);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6,
.adi-heading {
  font-family: 'Jost', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.2;
}

h1 { font-size: 4rem; }
h2 { font-size: 3rem; }
h3 { font-size: 2.25rem; }
h4 { font-size: 1.875rem; }
h5 { font-size: 1.5rem; }
h6 { font-size: 1.125rem; }

/* ===========================
   HERO SECTION STYLES
   =========================== */
.adi-hero {
  background: var(--gradient-hero-bg);
  color: var(--adi-white);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.adi-hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 128, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.adi-hero-title {
  font-size: 5rem;
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 2rem;
}

.adi-hero-title-gradient {
  background: linear-gradient(135deg, var(--adi-blue) 0%, var(--school-blockchain) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===========================
   STAT BOXES (HERO)
   =========================== */
.adi-stat-box {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: 2rem 2.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.adi-stat-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 128, 255, 0.2) 0%, transparent 100%);
  border-radius: var(--radius-2xl);
  opacity: 0;
  filter: blur(40px);
  transition: opacity 0.3s ease;
  z-index: -1;
}

.adi-stat-box:hover {
  border-color: rgba(0, 128, 255, 0.5);
}

.adi-stat-box:hover::before {
  opacity: 1;
}

.adi-stat-number {
  font-size: 3.75rem;
  font-weight: 600;
  background: linear-gradient(135deg, #FFFFFF 0%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
}

.adi-stat-label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
}

.adi-stat-sublabel {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 0.25rem;
}

/* ===========================
   BUTTONS
   =========================== */
.adi-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 3rem;
  font-size: 1.125rem;
  font-weight: 600;
  font-family: 'Jost', sans-serif;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.adi-btn-primary {
  background: var(--gradient-blue);
  color: var(--adi-white);
  box-shadow: var(--shadow-blue);
}

.adi-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 128, 255, 0.3);
}

.adi-btn-secondary {
  background: var(--gradient-yellow);
  color: var(--adi-deep-dark-blue);
  box-shadow: var(--shadow-yellow);
}

.adi-btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(245, 196, 0, 0.3);
}

.adi-btn-white {
  background: var(--adi-white);
  color: var(--adi-deep-dark-blue);
  box-shadow: var(--shadow-md);
}

.adi-btn-white:hover {
  background: var(--adi-blue);
  color: var(--adi-white);
}

.adi-btn-outline {
  background: transparent;
  border: 2px solid var(--adi-white);
  color: var(--adi-white);
}

.adi-btn-outline:hover {
  background: var(--adi-white);
  color: var(--adi-deep-dark-blue);
}

/* ===========================
   BLUE GRADIENT BOXES
   =========================== */
.adi-blue-box {
  position: relative;
  background: var(--gradient-blue);
  color: var(--adi-white);
  padding: 2.5rem;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.adi-blue-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-blue);
  border-radius: var(--radius-2xl);
  opacity: 0.2;
  filter: blur(20px);
  z-index: -1;
  transition: opacity 0.3s ease;
}

.adi-blue-box:hover {
  box-shadow: var(--shadow-xl);
}

.adi-blue-box:hover::before {
  opacity: 0.3;
}

.adi-blue-box-icon {
  width: 4rem;
  height: 4rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

/* ===========================
   IMAGE CARDS (Partner With)
   =========================== */
.adi-image-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.adi-image-card:hover {
  box-shadow: var(--shadow-xl);
}

.adi-image-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.adi-image-card:hover img {
  transform: scale(1.05);
}

.adi-image-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--adi-deep-dark-blue) 0%, rgba(21, 27, 37, 0.7) 50%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
}

.adi-image-card-content {
  color: var(--adi-white);
  width: 100%;
}

/* ===========================
   PARTNERSHIP MODEL CARDS
   =========================== */
.adi-model-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 128, 255, 0.2);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  transition: all 0.3s ease;
}

.adi-model-card:hover {
  border-color: var(--adi-blue);
  box-shadow: var(--shadow-lg);
}

.adi-model-icon {
  width: 4rem;
  height: 4rem;
  background: var(--adi-blue);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

/* ===========================
   SCHOOL CARDS
   =========================== */
.adi-school-card {
  background: var(--adi-paper);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all 0.3s ease;
}

.adi-school-card:hover {
  box-shadow: var(--shadow-lg);
}

.adi-school-card-image {
  width: 100%;
  height: 192px;
  overflow: hidden;
}

.adi-school-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.adi-school-card:hover .adi-school-card-image img {
  transform: scale(1.1);
}

.adi-school-card-content {
  padding: 2rem;
}

.adi-school-badge {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
}

/* School Color Variants */
.adi-school-design { background: var(--school-design); }
.adi-school-development { background: var(--school-development); }
.adi-school-business { background: var(--school-business); }
.adi-school-marketing { background: var(--school-marketing); }
.adi-school-ai { background: var(--school-ai); }
.adi-school-blockchain { background: var(--school-blockchain); }

/* ===========================
   FAQ ITEMS
   =========================== */
.adi-faq-item {
  background: var(--adi-paper);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  margin-bottom: 1.5rem;
}

/* ===========================
   SECTION BACKGROUNDS
   =========================== */
.adi-bg-white { background: var(--adi-white); }
.adi-bg-paper { background: var(--adi-paper); }
.adi-bg-dark { background: var(--adi-deep-dark-blue); }
.adi-bg-crystal { background: var(--adi-crystal-blue); }

.adi-bg-gradient-paper { background: var(--gradient-paper); }
.adi-bg-gradient-light-blue { background: var(--gradient-light-blue); }
.adi-bg-gradient-hero { background: var(--gradient-hero-bg); }

/* ===========================
   BADGE/PILL
   =========================== */
.adi-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(0, 128, 255, 0.1);
  border: 1px solid rgba(0, 128, 255, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--adi-blue);
}

.adi-badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--adi-blue);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ===========================
   CHECKMARK LIST
   =========================== */
.adi-check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.adi-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.adi-check-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--adi-blue);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

/* ===========================
   FORM ELEMENTS
   =========================== */
.adi-form-label {
  display: block;
  font-weight: 500;
  color: var(--adi-deep-dark-blue);
  margin-bottom: 0.5rem;
}

.adi-form-input,
.adi-form-select,
.adi-form-textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid #E5E7EB;
  border-radius: var(--radius-xl);
  font-family: 'Wix Madefor Text', sans-serif;
  font-size: 1rem;
  transition: all 0.3s ease;
  outline: none;
}

.adi-form-input:focus,
.adi-form-select:focus,
.adi-form-textarea:focus {
  border-color: var(--adi-blue);
  box-shadow: 0 0 0 3px rgba(0, 128, 255, 0.1);
}

/* ===========================
   UTILITIES
   =========================== */

/* Text Colors */
.adi-text-blue { color: var(--adi-blue); }
.adi-text-dark { color: var(--adi-deep-dark-blue); }
.adi-text-white { color: var(--adi-white); }
.adi-text-gray { color: #6B7280; }

/* Spacing */
.adi-section { padding: 5rem 0; }
.adi-section-sm { padding: 3rem 0; }
.adi-section-lg { padding: 7rem 0; }

/* Container */
.adi-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Text Alignment */
.adi-text-center { text-align: center; }
.adi-text-left { text-align: left; }
.adi-text-right { text-align: right; }

/* Shadows */
.adi-shadow-sm { box-shadow: var(--shadow-sm); }
.adi-shadow-md { box-shadow: var(--shadow-md); }
.adi-shadow-lg { box-shadow: var(--shadow-lg); }
.adi-shadow-xl { box-shadow: var(--shadow-xl); }

/* Border Radius */
.adi-rounded-sm { border-radius: var(--radius-sm); }
.adi-rounded-md { border-radius: var(--radius-md); }
.adi-rounded-lg { border-radius: var(--radius-lg); }
.adi-rounded-xl { border-radius: var(--radius-xl); }
.adi-rounded-2xl { border-radius: var(--radius-2xl); }
.adi-rounded-full { border-radius: var(--radius-full); }

/* Hover Effects */
.adi-hover-lift {
  transition: transform 0.3s ease;
}

.adi-hover-lift:hover {
  transform: translateY(-4px);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
  h1, .adi-hero-title { font-size: 3rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
  
  .adi-stat-number { font-size: 2.5rem; }
  .adi-stat-box { padding: 1.5rem; }
  
  .adi-btn { padding: 1rem 2rem; font-size: 1rem; }
  
  .adi-section { padding: 3rem 0; }
  .adi-section-lg { padding: 4rem 0; }
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.adi-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.adi-bounce {
  animation: bounce 2s ease-in-out infinite;
}