@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  /* Premium Light Theme Colors */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-bg-tertiary: #f0f2f5;

  --color-text-primary: #1a1a1a;
  --color-text-secondary: #4a4a4a;
  --color-text-tertiary: #757575;

  --color-accent: #c4a165;
  /* Sophisticated Gold */
  --color-accent-hover: #b08d55;

  --color-border: #e0e0e0;

  /* Typography */
  --font-primary: 'Outfit', sans-serif;
  --font-secondary: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  /* Layout */
  --container-max-width: 1400px;
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  font-weight: 300;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.02em;
}

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

h3 {
  font-size: 1.75rem;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-smooth);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}

section.bg-secondary {
  background-color: var(--color-bg-secondary);
}

/* Abstract Background Vector Graphics (CSS Generated) */
.bg-abstract {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
  overflow: hidden;
}

.bg-abstract::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196, 161, 101, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
}

.bg-abstract::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 70vw;
  height: 70vw;
  border: 1px solid rgba(196, 161, 101, 0.1);
  border-radius: 50%;
}

.bg-line-art {
  position: absolute;
  top: 20%;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(196, 161, 101, 0.2), transparent);
}

.content-wrapper {
  position: relative;
  z-index: 1;
}

/* Global Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: transform var(--transition-smooth);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.hamburger {
  display: none;
}

.brand {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: var(--space-xs);
}

.lang-switcher a {
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-tertiary);
  transition: color var(--transition-smooth);
}

.lang-switcher a.active,
.lang-switcher a:hover {
  color: var(--color-text-primary);
}

/* Footer */
.footer {
  background-color: var(--color-bg-secondary);
  padding: var(--space-xl) 0 var(--space-md);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  font-family: var(--font-primary);
}

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

.footer-col ul li {
  margin-bottom: var(--space-xs);
}

.footer-col ul a {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
}

/* Utilities */
.text-center {
  text-align: center;
}

.text-accent {
  color: var(--color-accent);
}

.mb-0 {
  margin-bottom: 0;
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

/* Responsive */
@media (max-width: 992px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

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

/* Illustration Background Utilities */
.bg-mt-fuji {
  background-image: url('../assets/images/mt_fuji_hero.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-winter {
  background-image: url('../assets/images/winter_sapporo.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-kyoto {
  background-image: url('../assets/images/kyoto_temple.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-zen {
  background-image: url('../assets/images/zen_garden.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-train {
  background-image: url('../assets/images/bullet_train.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.85);
  z-index: 0;
}

.bg-overlay-darker {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.5);
  z-index: 0;
}

.img-fluid {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Homepage Header Animation */
.animated-header-container {
  position: relative;
  height: 120px;
  margin: 0 auto 2rem;
  max-width: 900px;
}

.animated-heading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out, transform 1s ease-in-out;
  transform: translateY(20px);
}

.animated-heading.active {
  opacity: 1;
  transform: translateY(0);
}

/* Subtitle Animation */
.animated-subheading {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  font-weight: 400;
  margin-top: 10px;
}

/* Mobile Responsiveness Improvements */
@media (max-width: 768px) {
  .hero-section {
    padding-top: 150px !important;
    min-height: 70vh !important;
  }

  .animated-header-container {
    height: 180px;
    /* Allow wrapping on mobile */
  }

  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  .grid-2,
  .grid-3,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
    /* In a real app we'd have a hamburger, but for now we just wrap or stack */
  }

  .navbar .container {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    height: auto;
  }

  .hamburger {
    display: block;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--color-text-primary);
    cursor: pointer;
    padding: 0 10px;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 20px 0;
    border-top: 1px solid var(--color-border);
    margin-top: 15px;
  }

  .nav-links.active {
    display: flex;
  }

  .lang-switcher {
    display: none;
    width: 100%;
    justify-content: center;
    padding-bottom: 10px;
  }

  .lang-switcher.active {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* Auto-Generated Hero Backgrounds */
.bg-hero-home {
  background-image: url('../assets/images/mt_fuji_hero.png');
  background-size: 80%;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-hero-about {
  background-image: url('../assets/images/hero_itineraries.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: none !important;
}

.bg-hero-services {
  background-image: url('../assets/images/hero_services.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-hero-destinations {
  background-image: url('../assets/images/hero_destinations.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-hero-itineraries {
  background-image: url('../assets/images/hero_itineraries.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-hero-gallery {
  background-image: url('../assets/images/hero_gallery.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-hero-blog {
  background-image: url('../assets/images/hero_blog.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-hero-contact {
  background-image: url('../assets/images/hero_contact.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}