/**
 * VAG BRAND - Base Styles & CSS Reset
 * VEDICAMRIT GREENS PRIVATE LIMITED
 */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-body);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

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

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-900);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.015em;
}

h1 { font-size: var(--fs-4xl); margin-bottom: var(--space-4); }
h2 { font-size: var(--fs-3xl); margin-bottom: var(--space-4); }
h3 { font-size: var(--fs-2xl); margin-bottom: var(--space-3); }
h4 { font-size: var(--fs-xl); margin-bottom: var(--space-2); }
h5 { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
h6 { font-size: var(--fs-base); margin-bottom: var(--space-2); }

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

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

/* Accessibility Focus States */
:focus-visible {
  outline: 3px solid var(--color-gold-400);
  outline-offset: 2px;
}

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

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 1280px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

.container-narrow {
  max-width: var(--container-md);
  margin-left: auto;
  margin-right: auto;
}

.container-wide {
  max-width: var(--container-2xl);
  margin-left: auto;
  margin-right: auto;
}

/* Section Wrapper */
.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
  position: relative;
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}

@media (min-width: 1024px) {
  .section {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
  }
}

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

.section-dark {
  background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-800) 100%);
  color: var(--text-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--text-white);
}

.section-dark p {
  color: var(--color-primary-100);
}

/* Section Header Typography */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-12) auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary-700);
  background-color: var(--color-primary-100);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.section-tag.gold {
  color: var(--color-gold-900);
  background-color: var(--color-gold-100);
  border: 1px solid var(--color-gold-300);
}

.section-title {
  font-size: clamp(1.75rem, 3vw + 0.5rem, 2.5rem);
  margin-bottom: var(--space-3);
}

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

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

@media (min-width: 640px) {
  .grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

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

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Text Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-emerald { color: var(--color-primary-600); }
.text-gold { color: var(--color-gold-500); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }