/**
 * Pearl MG Party Halls - Base Styles & Global Utilities
 * Built strictly on CSS Custom Properties from variables.css.
 * Mobile-first media queries: 480px, 768px, 1024px, 1280px.
 */

/* ==========================================
   1. RESET & NORMALIZE
   ========================================== */
*,
*::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;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(ellipse at 50% 0%, rgba(201, 162, 75, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(156, 122, 46, 0.03) 0%, transparent 50%);
  background-attachment: fixed;
}

/* ==========================================
   2. ACCESSIBILITY & FOCUS
   ========================================== */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-bg);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: var(--fw-semibold);
  z-index: var(--z-toast);
  transition: top var(--transition-fast);
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-4);
  outline: 2px solid var(--color-accent);
}

:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 3px;
}

/* Selection */
::selection {
  background-color: var(--color-primary);
  color: var(--color-bg);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-surface-2);
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-bg);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* ==========================================
   3. TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-accent);
  line-height: var(--lh-heading);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
}

h1 { font-size: var(--fs-4xl); font-weight: var(--fw-bold); }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-md); }

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

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

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

a:hover {
  color: var(--color-primary-light);
}

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

ul, ol {
  list-style: none;
}

/* ==========================================
   4. LAYOUT CONTAINERS & GRIDS
   ========================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.section {
  padding-block: var(--space-section);
  position: relative;
}

.section-alt {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.grid {
  display: grid;
  gap: var(--space-5);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.flex {
  display: flex;
}

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

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

/* ==========================================
   5. REUSABLE TEXT & SECTION HEADINGS
   ========================================== */
.text-gradient {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gold {
  color: var(--color-primary);
}

.text-muted {
  color: var(--color-text-muted);
}

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

.section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-luxury);
  color: var(--color-primary-light);
  margin-bottom: var(--space-2);
  padding: 4px 14px;
  background: rgba(201, 162, 75, 0.08);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
}

.section-tag::before,
.section-tag::after {
  content: "♦";
  font-size: 8px;
  color: var(--color-primary);
}

.section-title {
  font-size: var(--fs-3xl);
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  line-height: var(--lh-tight);
}

.section-subtitle {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  line-height: var(--lh-body);
  margin-inline: auto;
}

/* ==========================================
   6. ORNATE SECTION DIVIDER (Gold Motif)
   ========================================== */
.divider-ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin: var(--space-4) auto var(--space-5);
  max-width: 280px;
  opacity: 0.9;
}

.divider-ornament::before,
.divider-ornament::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.divider-ornament-icon {
  width: 14px;
  height: 14px;
  transform: rotate(45deg);
  border: 1px solid var(--color-primary);
  background: var(--color-bg);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.divider-ornament-icon::after {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-primary);
}

/* ==========================================
   7. BASE CARDS & BADGES
   ========================================== */
.card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.badge-gold {
  background: rgba(201, 162, 75, 0.15);
  color: var(--color-primary-light);
  border: 1px solid var(--color-border);
}

.badge-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ==========================================
   8. SCROLL REVEAL ANIMATION STATES
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  will-change: opacity, transform;
}

.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ==========================================
   9. RESPONSIVE BREAKPOINTS (Mobile First)
   ========================================== */

/* 480px and up (Small tablets / large phones) */
@media (min-width: 480px) {
  .container {
    padding-inline: var(--space-5);
  }
}

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

/* 1024px and up (Desktops / Laptops) */
@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 1280px and up (Large Desktops) */
@media (min-width: 1280px) {
  .container {
    padding-inline: 0;
  }
}

/* Reduced Motion Preference */
@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;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}