/* 
 * Discover Sri Lanka - Design System
 * Based on Stitch project: "Discover Sri Lanka - Tablet Home"
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette - Forest Greens & Ocean Blues */
  --color-primary: #012d1d;          /* Deep Forest Green */
  --color-primary-container: #1b4332;
  --color-on-primary: #ffffff;
  
  --color-secondary: #006399;        /* Ocean Blue */
  --color-secondary-container: #67bafd;
  --color-on-secondary: #ffffff;
  
  --color-tertiary: #3f1d00;         /* Sunset Dark */
  --color-tertiary-fixed-dim: #ffb780; /* Sunset Golden Orange (CTA focus) */
  --color-on-tertiary-fixed: #2f1400;
  
  --color-surface: #faf9f5;          /* Fine Handmade Paper Base */
  --color-surface-container-low: #f4f4f0;
  --color-surface-container: #efeeea;
  --color-surface-container-high: #e9e8e4;
  --color-surface-container-highest: #e3e2df;
  --color-surface-lowest: #ffffff;
  
  --color-on-surface: #1b1c1a;
  --color-on-surface-variant: #414844;
  --color-outline: #717973;
  --color-outline-variant: rgba(193, 200, 194, 0.15); /* Ghost Border */

  /* Typography */
  --font-headline: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Manrope', sans-serif;
  
  --fs-display-lg: 3.5rem;   /* 56px */
  --fs-headline-md: 1.75rem; /* 28px */
  --fs-body-lg: 1rem;       /* 16px */
  --fs-label-md: 0.75rem;   /* 12px */
  
  --ls-display-lg: -0.02em;
  --ls-label-md: 0.05em;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-16: 5.5rem;   /* Card Gap / Editorial Gap */
  --spacing-24: 8.5rem;   /* Section Gap */

  /* Radii */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;    /* Standard Card/Image */
  --radius-lg: 0.75rem;   /* Buttons */
  --radius-full: 9999px;

  /* Shadows & Depth */
  --shadow-ambient: 0px 20px 40px rgba(27, 28, 26, 0.06);
  --glass-blur: 20px;
  --glass-opacity: 0.7;
}

/* Global Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

body, h1, h2, h3, h4, p, ul, ol, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  line-height: 1.6;
  color: var(--color-on-surface);
  background-color: var(--color-surface);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, .font-headline {
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

/* Typography Utilities */
.display-lg {
  font-size: var(--fs-display-lg);
  letter-spacing: var(--ls-display-lg);
  line-height: 1.1;
}

.headline-md {
  font-size: var(--fs-headline-md);
}

.label-md {
  font-size: var(--fs-label-md);
  letter-spacing: var(--ls-label-md);
  text-transform: uppercase;
  font-weight: 600;
}

/* Surface Utilities */
.surface-low { background-color: var(--color-surface-container-low); }
.surface-lowest { background-color: var(--color-surface-lowest); }

/* Glassmorphism */
.glass {
  background-color: rgba(250, 249, 245, var(--glass-opacity));
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

/* Grid Layouts (Default: 1 Column for Mobile) */
.grid-2, .grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}