/* ===== CSS VARIABLES ===== */
:root {
  /* Colors - Inspired by Lyon's "pierres dorées" */
  --color-primary: #C9A28E;    /* Ocre doré */
  --color-secondary: #DFC4B6;  /* Beige pierre */
  --color-tertiary: #E5DAD4;   /* Pierre claire */
  --color-accent: #8B0000;     /* Rouge bordeaux */
  --color-cream: #F5F5DC;      /* Blanc cassé */
  --color-ivory: #FFF8DC;      /* Crème */
  --color-wood: #8B4513;       /* Brun chêne */
  --color-text-dark: #3C2414;  /* Brun foncé */
  --color-text-medium: #6B4E37; /* Brun moyen */
  --color-white: #FFFFFF;
  --color-overlay: rgba(60, 36, 20, 0.7);

  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-subheading: 'Crimson Text', serif;
  --font-body: 'Montserrat', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: 2rem;
  
  /* Border radius */
  --border-radius: 8px;
  --border-radius-lg: 16px;
  
  /* Shadows */
  --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
  --shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
  --shadow-heavy: 0 8px 30px rgba(0,0,0,0.2);
  
  /* Transitions */
  --transition: all 0.3s ease;
}

/* ===== RESET AND BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-cream);
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-family: var(--font-subheading);
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-sm);
}

/* ===== LAYOUT UTILITIES ===== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-family: var(--font-subheading);
  font-size: 1.2rem;
  color: var(--color-text-medium);
  font-style: italic;
  margin-top: var(--spacing-sm);
}

.section-ornament {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  margin: var(--spacing-sm) auto;
  position: relative;
}

.section-ornament::before,
.section-ornament::after {
  content: '';
  position: absolute;
  top: -2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.section-ornament::before {
  left: -3px;
}

.section-ornament::after {
  right: -3px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border: none;
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

/* Additional Button Styles */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-phone {
  background-color: var(--color-accent);
  color: var(--color-white);
  margin-right: var(--spacing-md);
}

.btn-phone:hover {
  background-color: #6B0000;
  transform: translateY(-3px);
  box-shadow: var(--shadow-heavy);
}

.btn-thefork {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 2px solid var(--color-secondary);
}

.btn-thefork:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-heavy);
}

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

.reservation-options {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-light);
}

.btn-primary:hover {
  background-color: #6B0000;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-secondary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-light);
}

.btn-secondary:hover {
  background-color: #B8916F;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-hero {
  background-color: var(--color-white);
  color: var(--color-text-dark);
  padding: 16px 40px;
  font-size: 1.1rem;
  box-shadow: var(--shadow-medium);
}

.btn-hero:hover {
  background-color: var(--color-cream);
  transform: translateY(-3px);
  box-shadow: var(--shadow-heavy);
}

.btn-small {
  padding: 8px 20px;
  font-size: 0.9rem;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-secondary);
  transition: var(--transition);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-accent);
  margin: 0;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--color-text-dark);
  transition: var(--transition);
  padding: 0.5rem 0;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  margin-left: var(--spacing-sm);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--color-text-dark);
  transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
  height: 100vh;
  background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), 
              url('../images/hero-restaurant.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  position: relative;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-overlay);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 var(--container-padding);
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  margin-bottom: var(--spacing-sm);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
  font-family: var(--font-subheading);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 400;
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary);
}

.hero-description {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  margin-bottom: var(--spacing-xl);
  font-weight: 300;
}

/* ===== SECTION STYLES ===== */
.section-histoire {
  background-color: var(--color-white);
}

.histoire-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.histoire-text h3 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.chef-signature {
  margin-top: var(--spacing-md);
}

.signature-img {
  max-width: 200px;
  opacity: 0.7;
}

.chef-photo {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-medium);
}

/* ===== CUISINE SECTION ===== */
.section-cuisine {
  background-color: var(--color-tertiary);
}

.specialites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.specialite-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  text-align: center;
  padding-bottom: var(--spacing-md);
}

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

.specialite-image {
  height: 200px;
  overflow: hidden;
}

.specialite-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.specialite-card:hover .specialite-image img {
  transform: scale(1.05);
}

.specialite-card h3 {
  padding: 0 var(--spacing-md);
  color: var(--color-accent);
  margin: var(--spacing-md) 0 var(--spacing-xs);
}

.specialite-card p {
  padding: 0 var(--spacing-md);
  color: var(--color-text-medium);
  font-style: italic;
  margin-bottom: 0;
}

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

/* ===== CADRE SECTION ===== */
.section-cadre {
  background-color: var(--color-white);
}

.cadre-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.cadre-text h3 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.cadre-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-medium);
}

/* ===== INFORMATIONS SECTION ===== */
.section-infos {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
}

.infos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.info-card {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.info-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md);
  color: var(--color-white);
}

.info-card h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.info-card p {
  margin-bottom: var(--spacing-sm);
}

.phone-link {
  color: var(--color-white);
  font-weight: 600;
  transition: var(--transition);
}

.phone-link:hover {
  color: var(--color-cream);
}

.info-card address {
  font-style: normal;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-text-dark);
  color: var(--color-cream);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-section h3,
.footer-section h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  color: var(--color-cream);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-wood);
  padding-top: var(--spacing-md);
  text-align: center;
  color: var(--color-text-medium);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --spacing-xl: 2rem;
    --spacing-lg: 1.5rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-secondary);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md) 0;
  }
  
  .nav-link {
    display: block;
    padding: var(--spacing-sm) var(--container-padding);
    border-bottom: 1px solid var(--color-tertiary);
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .nav-cta {
    display: none;
  }
  
  .histoire-content,
  .cadre-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }
  
  .histoire-content .histoire-image {
    order: -1;
  }
  
  .specialites-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .infos-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .hero-content {
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .info-card {
    padding: var(--spacing-md);
  }
}