/**
 * JIMINTTOURS (JIT) - Base Styles & Reset
 * WCAG AA Accessibility, Typography & Global Utilities
 */

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

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-body);
  background-color: var(--color-bg-main);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessible Focus States */
:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* Skip to Content for Screen Readers */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-white);
  padding: var(--space-3) var(--space-6);
  z-index: 9999;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-family-sans);
  color: var(--color-text-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
}

h1, .h1 { font-size: clamp(2rem, 4vw + 1rem, var(--font-size-5xl)); }
h2, .h2 { font-size: clamp(1.75rem, 3vw + 0.5rem, var(--font-size-4xl)); }
h3, .h3 { font-size: clamp(1.35rem, 2vw + 0.25rem, var(--font-size-3xl)); }
h4, .h4 { font-size: var(--font-size-2xl); }
h5, .h5 { font-size: var(--font-size-xl); }
h6, .h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

.lead {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-muted);
}

.text-muted { color: var(--color-text-muted); }
.text-white { color: var(--color-text-white) !important; }
.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-accent { color: var(--color-accent) !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-gradient {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Links */
a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--color-secondary-dark);
}

/* Media Elements */
img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

img[loading="lazy"] {
  content-visibility: auto;
}

/* Lists */
ul, ol {
  list-style: none;
}

/* ==========================================================================
   Layout Containers & Grid Utilities
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

/* Section Spacing */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  position: relative;
}

.section-sm {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.section-lg {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.section-white { background-color: var(--color-bg-white); }
.section-gray { background-color: var(--color-bg-muted); }
.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}
.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-text-white);
}
.section-dark .text-muted {
  color: var(--color-text-light);
}

/* Section Header Structure */
.section-header {
  margin-bottom: var(--space-12);
}

.section-header.text-center {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-sky-subtle);
  color: var(--color-secondary-dark);
  border: 1px solid rgba(2, 132, 199, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
}

.section-dark .section-tag {
  background-color: rgba(56, 189, 248, 0.12);
  color: var(--color-secondary-light);
  border-color: rgba(56, 189, 248, 0.25);
}

.section-title {
  margin-bottom: var(--space-3);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
}

/* Grid Utilities */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2 { grid-template-columns: 1fr; }
  .container,
  .container-wide,
  .container-narrow {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
}

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.flex-wrap { flex-wrap: wrap; }