/* ============================================
   Flame & Cellar - Premium Restaurant Website
   Design System & Global Styles
   ============================================ */

/* ============================================
   CSS RESET & BASE STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================
   CSS VARIABLES - DESIGN TOKENS
   ============================================ */

:root {
  /* Colors - Dark & Moody Palette */
  --color-bg-primary: #1a1a1a;
  --color-bg-secondary: #2a2a2a;
  --color-bg-tertiary: #1f1f1f;
  --color-accent-red: #8b2635;
  --color-accent-red-hover: #a12d3f;
  --color-accent-gold: #d4a574;
  --color-accent-gold-hover: #e0b685;
  --color-text-primary: #f5f5f5;
  --color-text-secondary: #b8b8b8;
  --color-text-muted: #888888;
  --color-border: #3a3a3a;
  
  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Font Sizes - Fluid Typography */
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
  --font-size-xl: clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
  --font-size-2xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  --font-size-3xl: clamp(2.5rem, 2rem + 2.5vw, 4.5rem);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Layout */
  --container-max-width: 1400px;
  --container-padding: 1.5rem;
  --section-padding: 5rem 0;
  --section-padding-mobile: 3rem 0;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5, h6 { font-size: var(--font-size-base); }

p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

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

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

/* ============================================
   LAYOUT UTILITIES
   ============================================ */

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--section-padding);
}

@media (max-width: 768px) {
  .section {
    padding: var(--section-padding-mobile);
  }
}

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

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

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

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

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

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

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

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

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: background-color var(--transition-base), backdrop-filter var(--transition-base);
}

.navbar.scrolled {
  background-color: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

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

.navbar-logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-accent-gold);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.navbar-logo img {
  height: 50px;
  width: auto;
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
  align-items: center;
}

.navbar-menu a {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-primary);
  position: relative;
  transition: color var(--transition-base);
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent-gold);
  transition: width var(--transition-base);
}

.navbar-menu a:hover {
  color: var(--color-accent-gold);
}

.navbar-menu a:hover::after {
  width: 100%;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-xs);
}

.navbar-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .navbar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 70%;
    max-width: 300px;
    background-color: var(--color-bg-secondary);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    transition: right var(--transition-base);
    box-shadow: var(--shadow-lg);
  }
  
  .navbar-menu.active {
    right: 0;
  }
  
  .navbar-toggle {
    display: flex;
  }
  
  .navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }
  
  .navbar-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-accent-red);
  color: var(--color-text-primary);
  border-color: var(--color-accent-red);
}

.btn-primary:hover {
  background-color: var(--color-accent-red-hover);
  border-color: var(--color-accent-red-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
}

.btn-secondary:hover {
  background-color: var(--color-accent-gold);
  color: var(--color-bg-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-text-primary);
}

.btn-ghost:hover {
  background-color: var(--color-text-primary);
  color: var(--color-bg-primary);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(26, 26, 26, 0.4) 0%,
    rgba(26, 26, 26, 0.7) 100%
  );
  z-index: -1;
}

.hero-content {
  text-align: center;
  z-index: 1;
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-md);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-tagline {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xl);
  font-weight: 300;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-tagline {
    font-size: var(--font-size-lg);
  }
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid var(--color-border);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  font-size: 3rem;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-accent-gold);
}

.card-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

/* ============================================
   ALTERNATING LAYOUT (About Page)
   ============================================ */

.alternating-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-bottom: var(--space-3xl);
}

.alternating-section:nth-child(even) .alternating-image {
  order: 2;
}

.alternating-section:nth-child(even) .alternating-content {
  order: 1;
}

.alternating-image img {
  width: 100%;
  height: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.alternating-content h3 {
  color: var(--color-accent-gold);
  margin-bottom: var(--space-md);
}

.alternating-content p {
  line-height: 1.8;
}

@media (max-width: 768px) {
  .alternating-section {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .alternating-section:nth-child(even) .alternating-image,
  .alternating-section:nth-child(even) .alternating-content {
    order: initial;
  }
}

/* ============================================
   MENU TABS
   ============================================ */

.menu-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.menu-tab {
  padding: 0.75rem 1.5rem;
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  font-weight: 500;
}

.menu-tab:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
}

.menu-tab.active {
  background-color: var(--color-accent-red);
  color: var(--color-text-primary);
  border-color: var(--color-accent-red);
}

.menu-content {
  display: none;
  animation: fadeIn 0.5s ease-in;
}

.menu-content.active {
  display: block;
}

.menu-image-container {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.menu-image-container img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-lg);
}

.menu-download {
  margin-top: var(--space-md);
}

.menu-disclaimer {
  text-align: center;
  font-style: italic;
  color: var(--color-text-muted);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* ============================================
   CONTACT/VISIT PAGE
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.contact-card {
  background-color: var(--color-bg-secondary);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.contact-card h3 {
  color: var(--color-accent-gold);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.contact-card p {
  margin-bottom: var(--space-sm);
}

.contact-card a {
  color: var(--color-accent-gold);
  transition: color var(--transition-base);
}

.contact-card a:hover {
  color: var(--color-accent-gold-hover);
  text-decoration: underline;
}

.hours-table {
  width: 100%;
}

.hours-table tr {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
}

.hours-table tr:last-child {
  border-bottom: none;
}

.hours-table td:first-child {
  font-weight: 600;
  color: var(--color-text-primary);
}

.hours-table td:last-child {
  color: var(--color-text-secondary);
}

.map-container {
  width: 100%;
  height: 450px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-3xl);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background-color: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  font-weight: 500;
}

.social-link:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent-gold);
  box-shadow: var(--shadow-md);
}

.social-link svg {
  width: 24px;
  height: 24px;
  fill: var(--color-accent-gold);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background-color: var(--color-bg-tertiary);
  padding: var(--space-3xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h4 {
  color: var(--color-accent-gold);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-lg);
}

.footer-section p,
.footer-section a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-xs);
}

.footer-section a:hover {
  color: var(--color-accent-gold);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scroll Animation Classes */
.fade-in {
  opacity: 0;
  transition: opacity 0.8s ease-out;
}

.fade-in.visible {
  opacity: 1;
}

.slide-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }