/* Oti Talks Tech - Global Styles */

:root {
  /* Colors - Light Mode */
  --background: 0 0% 100%;
  --foreground: 222.2 84% 4.9%;
  --card: 0 0% 100%;
  --card-foreground: 222.2 84% 4.9%;
  --popover: 0 0% 100%;
  --popover-foreground: 222.2 84% 4.9%;
  --primary: 262 83% 58%;
  --primary-foreground: 210 40% 98%;
  --secondary: 210 40% 96.1%;
  --secondary-foreground: 222.2 47.4% 11.2%;
  --muted: 210 40% 96.1%;
  --muted-foreground: 215.4 16.3% 46.9%;
  --accent: 210 40% 96.1%;
  --accent-foreground: 222.2 47.4% 11.2%;
  --destructive: 0 84.2% 60.2%;
  --destructive-foreground: 210 40% 98%;
  --border: 214.3 31.8% 91.4%;
  --input: 214.3 31.8% 91.4%;
  --ring: 262 83% 58%;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  line-height: 1.6;
}

.font-serif {
  font-family: 'Playfair Display', Georgia, serif;
}

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

/* Header */
header {
  background-color: hsl(var(--card));
  border-bottom: 1px solid hsl(var(--border));
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: hsl(var(--primary));
  text-decoration: none;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  color: hsl(var(--foreground));
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: hsl(var(--primary));
}

/* Footer */
footer {
  background-color: hsl(var(--card));
  border-top: 1px solid hsl(var(--border));
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: hsl(var(--muted-foreground));
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
  transition: color 0.2s;
}

.footer-section a:hover {
  color: hsl(var(--primary));
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid hsl(var(--border));
  color: hsl(var(--muted-foreground));
}

/* Buttons */
.btn {
  padding: 0.5rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  font-size: 1rem;
  min-height: 2.25rem;
}

.btn-primary {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-secondary {
  background-color: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
}

.btn-outline {
  border: 1px solid hsl(var(--border));
  background-color: transparent;
}

.btn-outline:hover {
  background-color: hsl(var(--accent));
}

/* Cards */
.card {
  background-color: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  overflow: hidden;
}

.card-header {
  padding: 1.5rem;
}

.card-content {
  padding: 0 1.5rem 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-description {
  color: hsl(var(--muted-foreground));
}

/* Hero Section */
.hero {
  background-color: hsl(var(--card));
  padding: 4rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.25rem;
  color: hsl(var(--muted-foreground));
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Grid */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, 1fr);
}

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

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3 {
    grid-template-columns: 1fr;
  }
  
  nav ul {
    gap: 1rem;
    font-size: 0.875rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
}

/* Sections */
section {
  padding: 3rem 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
}

.section-subtitle {
  font-size: 1.125rem;
  color: hsl(var(--muted-foreground));
  text-align: center;
  max-width: 800px;
  margin: 0 auto 2rem;
}

/* Form Elements */
input, textarea, select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid hsl(var(--border));
  border-radius: 0.375rem;
  font-size: 1rem;
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: hsl(var(--primary));
  ring: 2px solid hsl(var(--ring) / 0.2);
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

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

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 9999px;
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

.badge-outline {
  background-color: transparent;
  border: 1px solid hsl(var(--border));
  color: hsl(var(--foreground));
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-8 {
  margin-top: 2rem;
}

.py-12 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.hidden {
  display: none;
}

/* Loading State */
.loading {
  text-align: center;
  padding: 2rem;
  color: hsl(var(--muted-foreground));
}

/* Image Styles */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

.aspect-video {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.aspect-video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}