/* ============================================================
   GLOBAL.CSS -- Tinaht Design System Foundation
   ============================================================ */

/* ------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   ------------------------------------------------------------ */
:root {
  /* Colors */
  --color-primary: #3296ff;
  --color-primary-dark: #003174;
  --color-white: #ffffff;
  --color-gray-100: #f7fafc;
  --color-gray-200: #edf2f7;
  --color-gray-300: #e2e8f0;
  --color-gray-400: #cbd2d9;
  --color-gray-500: #718096;
  --color-gray-700: #2d3748;
  --color-gray-800: #252c39;
  --color-gray-900: #1a202c;
  --color-success: #48bb78;
  --color-warning: #ecc94b;
  --color-error: #fc8181;

  /* Gradients */
  --gradient-primary: linear-gradient(130deg, #3296ff 0%, #003174 100%);

  /* Typography -- Font Families */
  --font-body: 'Libre Baskerville', Georgia, serif;
  --font-heading: 'Libre Franklin', 'Helvetica Neue', sans-serif;
  --font-nav: 'Montserrat', 'Arial', sans-serif;
  --font-h3: 'Roboto Condensed', 'Arial Narrow', sans-serif;

  /* Typography -- Sizes */
  --fs-body: 17px;
  --fs-h1: 36px;
  --fs-h2: 30px;
  --fs-h3: 22px;
  --fs-h4: 18px;
  --fs-site-title: 26px;
  --fs-nav: 15px;
  --fs-button: 15px;
  --fs-small: 13px;

  /* Layout */
  --max-width: 1290px;
  --grid-gap-desktop: 24px;
  --grid-gap-mobile: 16px;
  --section-padding-desktop: 80px;
  --section-padding-mobile: 48px;

  /* Component Tokens */
  --card-radius: 12px;
  --btn-radius: 8px;
  --input-radius: 8px;
  --transition-speed: 0.3s;

  /* Header */
  --header-height: 72px;
}

/* ------------------------------------------------------------
   2. CSS Reset
   ------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

ul,
ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Remove animations for people who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ------------------------------------------------------------
   3. Base Typography
   ------------------------------------------------------------ */
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-gray-200);
  background-color: var(--color-gray-800);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: 0.5em;
}

h3 {
  font-family: var(--font-h3);
  font-weight: 500;
  font-size: var(--fs-h3);
  line-height: 1.3;
  color: var(--color-white);
  margin-bottom: 0.5em;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h4 { font-size: var(--fs-h4); }

p {
  margin-bottom: 1em;
}

a {
  color: var(--color-primary);
  transition: color var(--transition-speed);
}

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

strong {
  font-weight: 700;
}

/* ------------------------------------------------------------
   4. Utility Classes
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.section--alt {
  background-color: var(--color-gray-900);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  color: var(--color-gray-400);
  max-width: 640px;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--font-nav);
  font-size: var(--fs-nav);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap-desktop);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap-desktop);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap-desktop);
}

/* Text utilities */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------
   5. Section Dividers (SVG Wave/Slant)
   ------------------------------------------------------------ */
.section-divider {
  position: relative;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  margin-top: -1px;
}

.section-divider svg {
  display: block;
  width: 100%;
  height: 60px;
}

.section-divider--flip svg {
  transform: scaleY(-1);
}

/* ------------------------------------------------------------
   6. Scroll Reveal Animations
   ------------------------------------------------------------ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate="fade-in"] {
  transform: none;
}

[data-animate="fade-left"] {
  transform: translateX(-30px);
}

[data-animate="fade-right"] {
  transform: translateX(30px);
}

[data-animate].is-visible {
  opacity: 1;
  transform: none;
}

/* Placeholder images (temporary for development) */
.placeholder-image {
  background: var(--color-gray-800);
  border: 1px dashed var(--color-gray-700);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  font-family: var(--font-nav);
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 1px;
}