/*
 * Nojochware Landing Page - Main Styles
 * Integrando Nojochware Design System v2.0
 */

:root {
  /* Core Brand Colors */
  --color-obsidian: #0D1117; 
  --color-stucco: #E8E9EB;   
  --color-chukum: #D4B88E;   
  --color-jade: #1A8B6B;     
  --color-azul-maya: #3C9DD0;
  --color-terracota: #D06F3C;

  /* Theme Defaults: Warm Light Mode */
  --bg-primary: var(--color-stucco);
  --bg-secondary: #F8F9FA;
  --bg-surface: #FFFFFF;
  --text-primary: var(--color-obsidian);
  --text-secondary: #3D4146;
  --border-color: var(--color-chukum);
  
  --shadow-soft: 0 4px 12px rgba(103, 100, 84, 0.15);
  --shadow-medium: 0 8px 24px rgba(103, 100, 84, 0.25);
  
  /* Gradients */
  --gradient-cta: linear-gradient(135deg, var(--color-azul-maya), #2A7A9E);
  --gradient-hero: linear-gradient(135deg, #FFFFFF, var(--color-stucco));
  
  /* 8px Spacing Grid */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --space-12: 96px;
}

/* Dark Mode Theme */
[data-theme="dark"] {
  --bg-primary: var(--color-obsidian);
  --bg-secondary: #161B22; 
  --bg-surface: #25292E;
  --text-primary: var(--color-stucco);
  --text-secondary: #B7B9BB;
  --border-color: #3D4146;
  
  --shadow-soft: 0 4px 12px rgba(13, 17, 23, 0.40);
  --shadow-medium: 0 8px 24px rgba(13, 17, 23, 0.60);
  
  --gradient-cta: linear-gradient(135deg, var(--color-jade), #19728B);
  --gradient-hero: linear-gradient(135deg, var(--color-obsidian), #161B22);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  line-height: 1.2;
}

h1 { font-size: 3rem; font-weight: 800; }
h2 { font-size: 2.25rem; font-weight: 700; }
h3 { font-size: 1.5rem; font-weight: 600; }

p { margin-bottom: var(--space-3); color: var(--text-secondary); }

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

a:hover { color: var(--color-jade); }

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section {
  padding: var(--space-12) 0;
}

.grid {
  display: grid;
  gap: var(--space-4);
}
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); }

/* Components */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-soft);
  z-index: 1000;
  padding: var(--space-2) 0;
  transition: background-color 0.4s ease;
}

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

.nav-links {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.nav-links a {
  color: var(--text-primary);
  font-weight: 500;
}
.nav-links a:hover { color: var(--color-azul-maya); }

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.25rem;
  padding: var(--space-1);
  border-radius: 50%;
  transition: background-color 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background-color: var(--bg-secondary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--space-1);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: var(--gradient-cta);
  color: #FFFFFF;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--color-azul-maya);
  color: var(--color-azul-maya);
}

/* Hero Section */
.hero {
  padding-top: calc(var(--space-12) + 60px);
  padding-bottom: var(--space-12);
  background: var(--gradient-hero);
  text-align: center;
}

.hero h1 { margin-bottom: var(--space-3); }
.hero-subtitle {
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto var(--space-4);
}
.hero-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
}

/* Cards */
.card {
  background-color: var(--bg-surface);
  border-radius: var(--space-2);
  padding: var(--space-4);
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid transparent;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: var(--color-chukum);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-2);
}

.card h3 {
  color: var(--color-azul-maya);
  margin-bottom: var(--space-2);
}

/* Badge */
.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--color-chukum);
  color: var(--color-obsidian);
  margin-bottom: var(--space-2);
}

/* Footer */
footer {
  background-color: var(--color-obsidian);
  color: var(--color-stucco);
  padding: var(--space-8) 0 var(--space-4);
  text-align: center;
}

footer a {
  color: var(--color-stucco);
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  .nav-links { display: none; }
  .hero { padding-top: calc(var(--space-8) + 60px); }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}