/* ===========================================
   STYLE UNIQUEMENT POUR LA DÉMO « RESTAURANT »
   Univers : steakhouse haut de gamme / Nusr‐Et / Beef Genève
   Palette : noir, or foncé, blanc cassé
   Polices : Cinzel Decorative (titres) + Open Sans (texte)
   =========================================== */

/* ----------------
   Variables globales
   ---------------- */
   :root {
    /* Couleurs */
    --color-black:        #000000;
    --color-charcoal:     #1C1C1C;
    --color-gold:         #B08D57;
    --color-gold-dark:    #8B6F4E;
    --color-beige:        #F5F0E6;
    --color-white:        #FFFFFF;
  
    /* Typographies */
    --font-title: 'Cinzel Decorative', serif;
    --font-body:  'Open Sans', sans-serif;
  }
  
  /* ----------------
     Reset & base
     ---------------- */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: var(--font-body);
    background: var(--color-black);
    color: var(--color-beige);
    line-height: 1.6;
    overflow-x: hidden;
  }
  a {
    text-decoration: none;
    color: inherit;
  }
  ul {
    list-style: none;
  }
  
  /* ----------------
     NAVIGATION FIXE
     ---------------- */
  .nav-steakhouse {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(28,28,28, 0.85);
    z-index: 1000;
    font-size: 0.9rem;
  }
  .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .nav-logo img {
    max-height: 45px;
  }
  .nav-links {
    display: flex;
    gap: 2rem;
  }
  .nav-links li a {
    color: var(--color-beige);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    transition: color 0.2s;
  }
  .nav-links li a:hover {
    color: var(--color-gold);
  }
  .nav-toggle {
    display: none;
    font-size: 1.8rem;
    background: none;
    border: none;
    color: var(--color-beige);
    cursor: pointer;
  }
  
  /* Décaler sections pour compenser nav fixe */
  header, section {
    padding-top: 70px;
  }
  
  /* ----------------
     SECTION HERO
     ---------------- */
  .hero-steakhouse {
    position: relative;
    height: 100vh;
    min-height: 650px;
    background: url('../images/hero.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(28,28,28, 0.7);
    z-index: 1;
  }
  .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 1rem;
  }
  .hero-title {
    font-family: var(--font-title);
    font-size: 4rem;
    color: var(--color-gold);
    text-shadow: 2px 2px 6px rgba(0,0,0,0.7);
    margin-bottom: 1rem;
    line-height: 1.1;
  }
  .hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-beige);
    margin-bottom: 2rem;
  }
  .btn-hero {
    display: inline-block;
    background: var(--color-gold);
    color: var(--color-black);
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 4px;
    font-family: var(--font-body);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background 0.2s;
  }
  .btn-hero:hover {
    background: var(--color-gold-dark);
  }
  
  /* ----------------
     SECTION À PROPOS
     ---------------- */
  .about-steakhouse {
    background: var(--color-charcoal);
    padding: 4rem 1rem;
  }
  .about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
  }
  .about-text {
    flex: 1 1 400px;
  }
  .section-heading {
    font-family: var(--font-title);
    font-size: 2.5rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
  }
  .about-text p {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--color-beige);
    line-height: 1.7;
  }
  .about-image {
    flex: 1 1 400px;
    text-align: center;
  }
  .about-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  }
  
  /* ----------------
     SECTION LA CARTE (MENU)
     ---------------- */
  .menu-steakhouse {
    background: var(--color-black);
    padding: 4rem 1rem;
  }
  .section-heading-center {
    text-align: center;
    font-family: var(--font-title);
    font-size: 2.5rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
  }
  .menu-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
  }
  .tab-button {
    background: transparent;
    border: 2px solid var(--color-gold);
    color: var(--color-beige);
    padding: 0.5rem 1.5rem;
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s;
  }
  .tab-button.active,
  .tab-button:hover {
    background: var(--color-gold);
    color: var(--color-black);
  }
  .menu-content {
    max-width: 1100px;
    margin: 0 auto;
  }
  .tab-panel {
    display: none;
    animation: fadeInTab 0.5s ease-out;
  }
  .tab-panel.active {
    display: block;
  }
  @keyframes fadeInTab {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(245,240,230, 0.2);
    padding-bottom: 1.5rem;
  }
  .item img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 4px;
    border: 2px solid var(--color-gold);
  }
  .item-info {
    flex: 1;
  }
  .item-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 0.25rem;
    font-family: var(--font-body);
  }
  .item-desc {
    font-size: 0.95rem;
    color: var(--color-beige);
    margin-bottom: 0.5rem;
  }
  .item-price {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-gold);
  }
  
  /* ----------------
     SECTION GALERIE
     ---------------- */
  .gallery-steakhouse {
    background: var(--color-charcoal);
    padding: 4rem 1rem;
  }
  .gallery-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    max-width: 1100px;
    margin: 0 auto;
  }
  .gallery-item {
    width: 300px;
    height: 200px;
    overflow: hidden;
    border-radius: 6px;
    cursor: pointer;
  }
  .gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  .gallery-item img:hover {
    transform: scale(1.05);
  }
  
  /* ----------------
     SECTION RÉSERVATION / CONTACT
     ---------------- */
  .contact-steakhouse {
    background: var(--color-black);
    padding: 4rem 1rem;
  }
  .contact-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
  }
  .reservation-form {
    flex: 1 1 400px;
    background: var(--color-charcoal);
    padding: 2rem;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  }
  .reservation-form h2 {
    font-family: var(--font-title);
    font-size: 2rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
  }
  .form-group {
    margin-bottom: 1rem;
  }
  .form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--color-beige);
    margin-bottom: 0.3rem;
  }
  .form-group input,
  .form-group textarea {
    width: 100%;
    padding: 0.6rem;
    border: none;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    background: var(--color-beige);
    color: var(--color-black);
  }
  .form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
  }
  .form-group-small {
    flex: 1;
  }
  .btn-submit-steakhouse {
    background: var(--color-gold);
    color: var(--color-black);
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background 0.2s;
  }
  .btn-submit-steakhouse:hover {
    background: var(--color-gold-dark);
  }
  
  /* Coordonnées */
  .contact-info {
    flex: 1 1 300px;
    color: var(--color-beige);
  }
  .contact-info h3 {
    font-family: var(--font-title);
    font-size: 1.8rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
  }
  .contact-info p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
    line-height: 1.5;
  }
  .contact-info a {
    color: var(--color-gold);
    font-weight: 600;
  }
  .map-image {
    width: 100%;
    max-width: 250px;
    margin-top: 1rem;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  }
  
  /* ----------------
     FOOTER
     ---------------- */
  .footer-steakhouse {
    background: var(--color-charcoal);
    padding: 2rem 1rem;
    text-align: center;
  }
  .footer-container {
    max-width: 1100px;
    margin: 0 auto;
    color: var(--color-beige);
    font-size: 0.9rem;
  }
  .footer-container p {
    margin-bottom: 0.5rem;
  }
  .footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
  }
  .footer-social .social-link {
    color: var(--color-beige);
    transition: color 0.2s;
  }
  .footer-social .social-link:hover {
    color: var(--color-gold);
  }
  
  /* ----------------
     MEDIA QUERIES (RESPONSIVE)
     ---------------- */
  @media (max-width: 1024px) {
    .about-container,
    .contact-container {
      flex-direction: column;
      align-items: center;
    }
    .about-image img {
      max-width: 100%;
    }
    .form-row {
      flex-direction: column;
    }
    .form-group-small {
      width: 100%;
    }
  }
  @media (max-width: 768px) {
    .nav-links {
      display: none;
      flex-direction: column;
      background: var(--color-charcoal);
      position: absolute;
      top: 60px;
      right: 0;
      width: 200px;
      padding: 1rem 0;
      border-radius: 4px;
    }
    .nav-links.show {
      display: flex;
    }
    .nav-toggle {
      display: block;
    }
    .nav-links li {
      margin: 0.5rem 0;
      text-align: center;
    }
    .hero-title {
      font-size: 3rem;
    }
    .hero-subtitle {
      font-size: 1rem;
    }
    .btn-hero {
      padding: 0.6rem 1.5rem;
      font-size: 0.9rem;
    }
    .gallery-grid {
      gap: 0.5rem;
    }
    .gallery-item {
      width: 100%;
      height: 180px;
    }
  }