/* ==========================================================================
   SATTVA — PURE VEG INDIAN KITCHEN
   Core Design Tokens, Editorial Typography & Motif Stylesheet
   ========================================================================== */

:root {
  /* Colors */
  --color-forest:          #123524;
  --color-forest-dark:     #0b2317;
  --color-forest-light:    #1c4a33;
  --color-ivory:           #F6EEDC;
  --color-ivory-light:     #FFFDF8;
  --color-terracotta:      #B95732;
  --color-terracotta-hover:#a04726;
  --color-gold:            #B8955A;
  --color-gold-light:      #d4b276;
  --color-gold-muted:      #9c7c45;
  --color-text-primary:    #183629;
  --color-text-secondary:  #6F6A5E;

  /* Fonts */
  --font-serif-display:   'DM Serif Display', Georgia, serif;
  --font-serif-editorial: 'Cormorant Garamond', Georgia, serif;
  --font-sans:            'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Spacing & Fluid Scale */
  --gutter: 1.5rem;
  --container-max: 1280px;

  /* Transitions & Shadows */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-soft: 0 10px 30px -10px rgba(18, 53, 36, 0.08);
  --shadow-card: 0 15px 35px -5px rgba(18, 53, 36, 0.12);
  --shadow-elevated: 0 25px 50px -12px rgba(18, 53, 36, 0.2);
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-ivory-light);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography Utilities */
.font-serif {
  font-family: var(--font-serif-display);
}

.font-editorial {
  font-family: var(--font-serif-editorial);
}

.font-sans {
  font-family: var(--font-sans);
}

h1, h2, h3, h4, .editorial-heading {
  font-family: var(--font-serif-display);
  color: var(--color-forest);
  line-height: 1.15;
}

/* Background Utility Classes */
.bg-ivory { background-color: var(--color-ivory-light); }
.bg-ivory-warm { background-color: var(--color-ivory); }
.bg-forest { background-color: var(--color-forest); }
.bg-terracotta { background-color: var(--color-terracotta); }

/* Text Utility Classes */
.text-forest { color: var(--color-forest); }
.text-ivory { color: var(--color-ivory-light); }
.text-terracotta { color: var(--color-terracotta); }
.text-gold { color: var(--color-gold); }
.text-gold-light { color: var(--color-gold-light); }
.text-gold-muted { color: var(--color-gold-muted); }
.text-secondary-text { color: var(--color-text-secondary); }

/* Borders & Lines */
.border-gold-light\/20 { border-color: rgba(212, 178, 118, 0.2); }
.border-gold-muted { border-color: var(--color-gold-muted); }
.border-forest\/10 { border-color: rgba(18, 53, 36, 0.1); }
.border-forest\/20 { border-color: rgba(18, 53, 36, 0.2); }

/* Container */
.container {
  max-width: var(--container-max);
}

/* Custom Arch Frame Motif (Indian Architecture) */
.arch-frame {
  border-top-left-radius: 200px;
  border-top-right-radius: 200px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-card);
}

.arch-frame-sm {
  border-top-left-radius: 120px;
  border-top-right-radius: 120px;
  overflow: hidden;
}

/* Indian Decorative Arch Frame Overlay */
.indian-arch-border {
  position: relative;
}

.indian-arch-border::after {
  content: '';
  position: absolute;
  inset: -6px;
  border: 1px solid var(--color-gold);
  border-top-left-radius: 206px;
  border-top-right-radius: 206px;
  pointer-events: none;
  opacity: 0.6;
}

/* Botanical Line Decoration */
.botanical-divider {
  display: flex;
  items-center;
  justify-content: center;
  gap: 1rem;
  margin: 1.5rem 0;
}

.botanical-divider::before,
.botanical-divider::after {
  content: '';
  height: 1px;
  width: 60px;
  background: linear-gradient(90deg, transparent, var(--color-gold));
}

.botanical-divider::after {
  background: linear-gradient(90deg, var(--color-gold), transparent);
}

/* Buttons */
.btn-terracotta {
  background-color: var(--color-terracotta);
  color: var(--color-ivory-light);
  border: 1px solid transparent;
  transition: var(--transition-smooth);
}

.btn-terracotta:hover {
  background-color: var(--color-forest);
  color: var(--color-ivory-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(185, 87, 50, 0.3);
}

.btn-outline-forest {
  background-color: transparent;
  color: var(--color-forest);
  border: 1px solid var(--color-forest);
  transition: var(--transition-smooth);
}

.btn-outline-forest:hover {
  background-color: var(--color-forest);
  color: var(--color-ivory-light);
  transform: translateY(-2px);
}

.btn-outline-gold {
  background-color: transparent;
  color: var(--color-gold-light);
  border: 1px solid var(--color-gold-light);
  transition: var(--transition-smooth);
}

.btn-outline-gold:hover {
  background-color: var(--color-gold-light);
  color: var(--color-forest);
  transform: translateY(-2px);
}

/* Signature Menu Cards */
.signature-card {
  background-color: var(--color-ivory-light);
  border-radius: 20px;
  border: 1px solid rgba(18, 53, 36, 0.08);
  padding: 1.5rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.signature-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background-color: var(--color-terracotta);
  transition: var(--transition-smooth);
}

.signature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: rgba(185, 87, 50, 0.3);
}

.signature-card:hover::before {
  width: 100%;
}

.signature-card .card-price {
  transition: var(--transition-smooth);
}

.signature-card:hover .card-price {
  transform: translateX(3px);
  color: var(--color-terracotta);
}

.signature-card img {
  border-radius: 50%;
  transition: transform 0.6s ease;
}

.signature-card:hover img {
  transform: scale(1.08) rotate(2deg);
}

/* Menu Category Filter Pills */
.filter-pill {
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: 1px solid transparent;
}

.filter-pill.active {
  background-color: var(--color-terracotta);
  color: #fff;
  box-shadow: 0 4px 15px rgba(185, 87, 50, 0.3);
}

.filter-pill:not(.active) {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: rgba(18, 53, 36, 0.15);
}

.filter-pill:not(.active):hover {
  border-color: var(--color-terracotta);
  color: var(--color-terracotta);
}

/* Reservation Slots Grid */
.time-slot-btn {
  padding: 0.6rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(18, 53, 36, 0.15);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition-smooth);
  cursor: pointer;
  background-color: #fff;
  color: var(--color-forest);
}

.time-slot-btn:hover:not(.disabled) {
  border-color: var(--color-terracotta);
  color: var(--color-terracotta);
  transform: scale(1.03);
}

.time-slot-btn.selected {
  background-color: var(--color-terracotta);
  color: #fff;
  border-color: var(--color-terracotta);
  box-shadow: 0 4px 12px rgba(185, 87, 50, 0.3);
}

.time-slot-btn.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  background-color: rgba(0, 0, 0, 0.05);
  text-decoration: line-through;
}

/* Values Card Motif */
.value-card {
  background: var(--color-ivory-light);
  border-radius: 24px;
  padding: 2.25rem 1.5rem;
  border: 1px solid rgba(18, 53, 36, 0.08);
  transition: var(--transition-smooth);
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-gold);
}

/* Gallery Grid Overlay */
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
}

.gallery-item img {
  transition: transform 0.7s cubic-bezier(0.25, 1, 0.5, 1);
}

.gallery-item .gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(18, 53, 36, 0.7);
  display: flex;
  items-center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
  backdrop-filter: blur(3px);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

/* Modal Popup Confirmation */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 35, 23, 0.85);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Paper Texture Subtle Overlay */
.paper-texture {
  background-image: radial-gradient(rgba(18, 53, 36, 0.03) 1px, transparent 0);
  background-size: 24px 24px;
}