/* Cognition Ignition, LLC - Main Styles */
/* Linear.app inspired design with dark/light mode */

:root {
  /* Dark mode colors (default) */
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #2a2a2a;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #666666;
  --accent-primary: #00d4ff;
  --accent-secondary: #ff006e;
  --border-color: #333333;
  --card-bg: #1a1a1a;
  --hover-bg: #2a2a2a;
  --shadow: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] {
  /* Light mode colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --text-primary: #000000;
  --text-secondary: #4a4a4a;
  --text-muted: #999999;
  --accent-primary: #0066cc;
  --accent-secondary: #cc0066;
  --border-color: #e0e0e0;
  --card-bg: #ffffff;
  --hover-bg: #f5f5f5;
  --shadow: rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-secondary);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

[data-theme="light"] .header {
  background: rgba(255, 255, 255, 0.95);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  height: 60px;
  transition: opacity 0.3s ease;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--text-primary);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.nav-link:hover {
  background: var(--hover-bg);
  color: var(--accent-primary);
}

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

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Main Content */
.main-content {
  margin-top: 70px;
  min-height: calc(100vh - 70px);
}

/* Hero Section */
.hero {
  padding: 6rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

/* Home page hero - taller */
.hero.hero-home {
  min-height: 750px;
  height: 750px;
}

/* Sub page hero - shorter */
.hero.hero-sub {
  min-height: 400px;
  height: 400px;
  padding: 4rem 2rem;
  background-image: url('../images/abstract-jf7.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Sub page hero overlay for faded effect */
.hero.hero-sub::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.9);
  z-index: 1;
  pointer-events: none;
}

/* Ensure sub page hero content is above overlay */
.hero.hero-sub .hero-container {
  position: relative;
  z-index: 10;
}

/* Hero Slideshow */
.hero-slideshow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 2s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
  background: rgba(0, 0, 0, 0.7);
  padding: 2rem;
  border-radius: 12px;
}

.hero h1 {
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px var(--shadow);
}

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

.btn-secondary:hover {
  background: var(--hover-bg);
  border-color: var(--accent-primary);
}

/* Sections */
.section {
  padding: 6rem 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px var(--shadow);
  border-color: var(--accent-primary);
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Programs Section */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.program-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.program-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.program-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px var(--shadow);
}

.program-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.program-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.program-features {
  list-style: none;
  margin-bottom: 2rem;
}

.program-features li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
}

.program-features li::before {
  content: '✓';
  color: var(--accent-primary);
  font-weight: bold;
  margin-right: 0.5rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  margin-bottom: 2rem;
}

.footer-logo-img {
  height: 80px;
  transition: opacity 0.3s ease;
}

.footer p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-links a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-credit {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 1rem;
  opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .section {
    padding: 4rem 1rem;
  }
  
  .nav-container {
    padding: 0 1rem;
  }
  
  .programs-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
}

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

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }