/* ============================================
   Chardham Hotels - Main Stylesheet
   Modern, Airbnb-inspired design system
   ============================================ */

/* Variables */
:root {
  /* Colors - Modern, subtle palette */
  --color-primary: #FF385C;
  --color-primary-dark: #E61E4D;
  --color-primary-light: #FF5A7F;
  --color-secondary: #00A699;
  --color-accent: #FC642D;
  
  --color-text-primary: #222222;
  --color-text-secondary: #717171;
  --color-text-light: #B0B0B0;
  
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F7F7F7;
  --color-bg-tertiary: #FAFAFA;
  
  --color-border: #DDDDDD;
  --color-border-light: #EBEBEB;
  
  --color-success: #00A699;
  --color-error: #FF385C;
  --color-warning: #FFB400;
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.16);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Layout */
  --container-max-width: 1280px;
  --header-height: 80px;
  --header-height-mobile: 70px;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
}

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

.btn--secondary:hover {
  background-color: #008B7D;
}

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

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

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-primary);
}

.btn--ghost:hover {
  background-color: var(--color-bg-secondary);
}

.btn--full {
  width: 100%;
}

.btn--large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn--small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Cards */
.card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-bg-secondary);
}

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

.card__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.card__subtitle {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.card__footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Section */
.section {
  padding: var(--spacing-2xl) 0;
}

.section__title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section__title h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

.section__title p {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
}

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

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

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

/* Responsive */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}