/**
 * Voyage Vehicles - Modern Stylesheet
 * Theme-aware CSS with custom properties, bento grids, and animations
 */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Colors - Set by theme.js, defaults to light mode */
  --primary-color: #0D2C54;
  --primary-light: #1A3A5C;
  --accent-color: #F9A03F;
  --accent-hover: #e88e2c;
  --secondary-color: #E8F4F8;
  --text-primary: #1A1A1A;
  --text-secondary: #666666;
  --text-light: #999999;
  --surface-color: #FFFFFF;
  --surface-alt: #F8F9FA;
  --border-color: #E0E0E0;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --shadow-color-heavy: rgba(0, 0, 0, 0.15);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-backdrop: rgba(255, 255, 255, 0.95);
  --hover-overlay: rgba(0, 0, 0, 0.03);
  --link-color: #0D2C54;
  --link-hover: #F9A03F;
  --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --card-shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.15);
  --input-border: #D0D0D0;
  --input-focus: #0D2C54;
  --badge-bg: #E8F4F8;
  --badge-text: #0D2C54;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'DM Sans', 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Inter', 'Courier New', monospace;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--surface-color);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  color: var(--primary-color);
  transition: color var(--transition-normal);
}

h1 {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.5rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  transition: color var(--transition-normal);
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

/* ===== LAYOUT & CONTAINERS ===== */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

main {
  min-height: calc(100vh - 200px);
}

section {
  padding: var(--spacing-3xl) 0;
}

section:first-of-type {
  padding-top: 0;
}

/* ===== BENTO GRID SYSTEM ===== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.bento-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.bento-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

/* Asymmetric bento tiles */
.bento-tile {
  border-radius: var(--radius-lg);
  background-color: var(--surface-alt);
  border: 1px solid var(--border-color);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.bento-tile:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--accent-color);
}

.bento-tile-lg {
  grid-column: span 2;
  grid-row: span 2;
}

.bento-tile-half {
  grid-column: span 1;
}

/* Stagger animations */
.bento-tile:nth-child(1) { animation-delay: 0.1s; }
.bento-tile:nth-child(2) { animation-delay: 0.2s; }
.bento-tile:nth-child(3) { animation-delay: 0.3s; }
.bento-tile:nth-child(4) { animation-delay: 0.4s; }
.bento-tile:nth-child(5) { animation-delay: 0.5s; }
.bento-tile:nth-child(6) { animation-delay: 0.6s; }

/* Responsive bento grid */
@media (max-width: 1024px) {
  .bento-grid-3col {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-tile-lg {
    grid-column: span 1;
    grid-row: span 1;
  }
}

@media (max-width: 768px) {
  .bento-grid,
  .bento-grid-3col,
  .bento-grid-2col {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  .bento-tile-lg {
    grid-column: span 1;
  }
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.75rem;
  }
}

/* ===== HEADER & NAVIGATION ===== */
header {
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-md) 0;
  box-shadow: var(--card-shadow);
  transition: background-color var(--transition-normal);
  position: relative;
  z-index: 100;
}

nav.navbar {
  background-color: var(--primary-color) !important;
  transition: background-color var(--transition-normal);
}

.navbar-brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: white !important;
  transition: color var(--transition-normal);
}

.navbar-brand:hover {
  color: var(--accent-color) !important;
}

.nav-link {
  font-size: 1rem;
  margin-right: var(--spacing-lg);
  color: white !important;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--accent-color);
  transition: width var(--transition-fast);
}

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

.nav-link:hover {
  color: var(--accent-color) !important;
}

/* Navigation buttons */
.nav-btn {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1.25rem;
  padding: var(--spacing-sm);
  margin-left: var(--spacing-md);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

.nav-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--accent-color);
}

/* Theme toggle button */
#themeToggleBtn {
  font-size: 1.5rem;
  line-height: 1;
}

#themeToggleBtn::before {
  content: '☀️';
  transition: opacity var(--transition-normal);
  display: inline-block;
}

[data-theme='dark'] #themeToggleBtn::before {
  content: '🌙';
}

/* ===== HERO SECTION ===== */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: white;
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="white" opacity="0.1"/><circle cx="80" cy="80" r="2" fill="white" opacity="0.1"/><circle cx="50" cy="50" r="1.5" fill="white" opacity="0.05"/></svg>');
  opacity: 0.3;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  animation: fadeInDown 0.8s ease-out;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.5px;
}

.hero-description {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  opacity: 0.9;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  font-size: 1rem;
  font-family: var(--font-sans);
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--primary-light);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-accent {
  background-color: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-outline {
  background-color: transparent;
  color: var(--accent-color);
  border-color: var(--accent-color);
}

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

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.1rem;
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 0.9rem;
}

/* ===== CARDS ===== */
.card {
  background-color: var(--surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--card-shadow);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--accent-color);
}

.card-body {
  padding: var(--spacing-xl);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

/* ===== GLASS MORPHISM ===== */
.glassmorphic {
  background-color: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
}

[data-theme='dark'] .glassmorphic {
  background-color: var(--glass-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== FORM ELEMENTS ===== */
input,
textarea,
select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-primary);
  background-color: var(--surface-color);
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-md);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px rgba(13, 44, 84, 0.1);
}

[data-theme='dark'] input:focus,
[data-theme='dark'] textarea:focus,
[data-theme='dark'] select:focus {
  box-shadow: 0 0 0 3px rgba(255, 159, 67, 0.1);
}

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== FOOTER ===== */
footer {
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-3xl);
  transition: background-color var(--transition-normal);
}

footer h5 {
  color: var(--accent-color);
  font-size: 1.1rem;
}

footer p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-sm);
}

footer a {
  color: rgba(255, 255, 255, 0.9);
}

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

footer hr {
  border-color: rgba(255, 255, 255, 0.1);
  margin: var(--spacing-xl) 0;
}

/* ===== TESTIMONIALS ===== */
.testimonial-card {
  background-color: var(--surface-alt);
  border-left: 4px solid var(--accent-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateX(8px);
  box-shadow: var(--card-shadow-hover);
}

.testimonial-quote {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.testimonial-author {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1rem;
}

.star-rating {
  color: var(--accent-color);
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

/* ===== SECTIONS ===== */
.section-light {
  background-color: var(--surface-alt);
  transition: background-color var(--transition-normal);
}

.section-dark {
  background-color: var(--primary-color);
  color: white;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--primary-color);
}

.section-dark .section-title {
  color: white;
}

/* ===== FEATURE ICONS ===== */
.feature-icon {
  font-size: 3rem;
  color: var(--accent-color);
  margin-bottom: var(--spacing-lg);
  transition: transform var(--transition-normal);
}

.feature-icon:hover {
  transform: scale(1.1);
}

/* ===== TAGS & BADGES ===== */
.badge {
  display: inline-block;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ===== LISTS ===== */
ul, ol {
  margin-left: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

/* ===== UTILITY CLASSES ===== */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.py-1 { padding: var(--spacing-sm) 0; }
.py-2 { padding: var(--spacing-md) 0; }
.py-3 { padding: var(--spacing-lg) 0; }
.py-4 { padding: var(--spacing-xl) 0; }
.py-5 { padding: var(--spacing-2xl) 0; }

.px-1 { padding: 0 var(--spacing-sm); }
.px-2 { padding: 0 var(--spacing-md); }
.px-3 { padding: 0 var(--spacing-lg); }
.px-4 { padding: 0 var(--spacing-xl); }

.shadow-sm {
  box-shadow: var(--card-shadow);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  section {
    padding: var(--spacing-2xl) 0;
  }

  .container {
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .nav-btn {
    margin-left: var(--spacing-sm);
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  header,
  footer,
  .nav-btn {
    display: none;
  }

  body {
    background-color: white;
    color: black;
  }
}