/* ==========================================================================
   Soukhya Ayurvedic & Yoga Wellness Centre - Base & Typography Styles
   ========================================================================== */

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.68;
  color: var(--color-text-primary);
  background-color: var(--color-canvas-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessible Skip Navigation Link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--color-brand-primary);
  color: var(--color-text-inverse);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition-fast);
  text-decoration: none;
}

.skip-link:focus {
  top: 16px;
  outline: 3px solid var(--color-accent-gold);
}

/* Keyboard Focus State */
:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 3px;
}

/* Typography System */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-brand-primary);
  line-height: 1.18;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2.35rem, 4.5vw, 4rem);
  line-height: 1.14;
  margin-bottom: var(--space-sm);
}

h2 {
  font-size: clamp(2.1rem, 3.2vw, 2.85rem);
  line-height: 1.18;
  margin-bottom: 16px;
}

h3 {
  font-size: clamp(1.5rem, 1.8vw, 1.85rem);
  line-height: 1.22;
  margin-bottom: 12px;
}

h4 {
  font-size: 1.25rem;
  line-height: 1.32;
  margin-bottom: var(--space-2xs);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.65;
}

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

p.lead {
  font-size: clamp(1.1rem, 1.6vw, 1.25rem);
  line-height: 1.75;
  color: var(--color-text-primary);
}

a {
  color: var(--color-brand-primary);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--color-accent-olive, #64744F);
}

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

svg {
  display: inline-block;
  vertical-align: middle;
}

ul,
ol {
  padding-left: 1.25rem;
  margin-bottom: var(--space-md);
}

li {
  margin-bottom: var(--space-xs);
  color: var(--color-text-secondary);
}

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

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

/* Section Spacing & Backgrounds (8px Scale: Desktop 88px, Tablet 64px, Mobile 48px) */
.section {
  padding-top: 88px;
  padding-bottom: 88px;
  position: relative;
}

.section-lg {
  padding-top: 104px;
  padding-bottom: 104px;
}

.bg-canvas {
  background-color: var(--color-canvas-bg);
}

.bg-warm {
  background-color: var(--color-canvas-warm);
}

.bg-white {
  background-color: var(--color-surface-card);
}

.bg-deep {
  background-color: var(--color-surface-deep);
  color: var(--color-text-inverse);
}

.bg-deep h1,
.bg-deep h2,
.bg-deep h3,
.bg-deep h4 {
  color: var(--color-text-inverse);
}

.bg-deep p {
  color: var(--color-text-inverse-muted);
}

/* Section Header Typography */
.section-header {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 36px;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-olive, #64744F);
  margin-bottom: 12px;
}

.section-title {
  position: relative;
  margin-bottom: 16px;
}

.section-description {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* Layout Utilities */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

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

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

.grid-2 > *,
.grid-3 > *,
.grid-4 > * {
  min-width: 0;
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

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

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

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

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.badge-brand {
  background-color: var(--color-brand-soft);
  color: var(--color-brand-primary);
  border: 1px solid rgba(37, 78, 56, 0.15);
}

.badge-gold {
  background-color: var(--color-accent-olive-soft, rgba(100, 116, 79, 0.12));
  color: var(--color-brand-primary, #254E38);
  border: 1px solid rgba(100, 116, 79, 0.25);
}

.badge-outline {
  background: transparent;
  border: 1px solid var(--color-border-medium);
  color: var(--color-text-secondary);
}

/* Screen Reader Only Utility */
.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;
}