/* ═══════════════════════════════════════════
       DESIGN TOKENS
    ═══════════════════════════════════════════ */
    :root {
      --black: #0A0A0A;
      --black-light: #111111;
      --black-card: #161616;
      --black-border: #222222;
      --gold: #C9A96E;
      --gold-light: #D4B97A;
      --gold-dark: #A8893E;
      --gold-glow: rgba(201, 169, 110, 0.15);
      --gold-glow-strong: rgba(201, 169, 110, 0.35);
      --white: #FDFBF7;
      --white-dim: #E4DCD0;
      --white-muted: #A39B8E;
      --font-heading: 'Cormorant Garamond', 'Georgia', serif;
      --font-body: 'Inter', 'Helvetica Neue', sans-serif;
      --section-pad: clamp(80px, 10vw, 140px);
      --container: min(1200px, 90vw);
      --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    }

    /* ═══════════════════════════════════════════
       RESET & BASE
    ═══════════════════════════════════════════ */
    *, *::before, *::after {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

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

    body {
      font-family: var(--font-body);
      font-size: clamp(16px, 1.2vw, 18px);
      background: var(--black);
      color: var(--white);
      line-height: 1.7;
      font-weight: 400;
      overflow-x: hidden;
    }

    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; }
    button { border: none; background: none; cursor: pointer; font-family: inherit; }

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

    /* ═══════════════════════════════════════════
       TYPOGRAPHY UTILITIES
    ═══════════════════════════════════════════ */
    .section-label {
      font-family: var(--font-body);
      font-size: 0.7rem;
      font-weight: 500;
      letter-spacing: 4px;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 1.2rem;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .section-label::before {
      content: '';
      display: inline-block;
      width: 30px;
      height: 1px;
      background: var(--gold);
    }

    .section-title {
      font-family: var(--font-heading);
      font-size: clamp(2rem, 4vw, 3.2rem);
      font-weight: 400;
      line-height: 1.15;
      color: var(--white);
      margin-bottom: 1.5rem;
    }

    .section-subtitle {
      font-family: var(--font-body);
      font-size: 1rem;
      color: var(--white-dim);
      max-width: 620px;
      line-height: 1.8;
    }

    .gold-line {
      width: 50px;
      height: 1px;
      background: linear-gradient(90deg, var(--gold), transparent);
      margin: 2rem 0;
    }

    /* ═══════════════════════════════════════════
       BUTTONS
    ═══════════════════════════════════════════ */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 14px 32px;
      font-family: var(--font-body);
      font-size: 0.85rem;
      font-weight: 500;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      border-radius: 0;
      transition: all 0.4s var(--ease-out);
      position: relative;
      overflow: hidden;
    }

    .btn-gold {
      background: var(--gold);
      color: var(--black);
    }

    .btn-gold:hover {
      background: var(--gold-light);
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(201, 169, 110, 0.3);
    }

    .btn-outline {
      background: transparent;
      color: var(--white);
      border: 1px solid var(--black-border);
    }

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

    .btn-arrow::after {
      content: '→';
      transition: transform 0.3s var(--ease-out);
    }

    .btn-arrow:hover::after { transform: translateX(4px); }

    /* ═══════════════════════════════════════════
       NAVIGATION
    ═══════════════════════════════════════════ */
    .nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 0 clamp(20px, 4vw, 60px);
      transition: all 0.5s var(--ease-out);
      background: rgba(10, 10, 10, 0.92);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(201, 169, 110, 0.08);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 80px;
      max-width: 1400px;
      margin: 0 auto;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 14px;
      z-index: 1001;
    }

    .nav-logo img {
      height: 60px;
      width: auto;
      object-fit: contain;
      mix-blend-mode: lighten;
      transition: transform 0.3s ease;
    }

    .nav-logo:hover img { transform: scale(1.05); }

    .nav-links {
      display: flex;
      align-items: center;
      gap: clamp(20px, 3vw, 40px);
      list-style: none;
    }

    .nav-links a {
      font-size: 0.85rem;
      font-weight: 500;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: var(--white-dim);
      transition: color 0.3s ease;
      position: relative;
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 1px;
      background: var(--gold);
      transition: width 0.3s var(--ease-out);
    }

    .nav-links a:hover { color: var(--gold); }
    .nav-links a:hover::after { width: 100%; }

    .nav-cta {
      padding: 10px 24px;
      font-size: 0.75rem;
      font-weight: 500;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      border: 1px solid var(--gold);
      color: var(--gold);
      transition: all 0.4s var(--ease-out);
    }

    .nav-cta:hover {
      background: var(--gold);
      color: var(--black);
    }

    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      z-index: 1001;
      padding: 4px;
    }

    .nav-toggle span {
      width: 24px;
      height: 1.5px;
      background: var(--white);
      transition: all 0.3s ease;
      transform-origin: center;
    }

    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

    /* ═══════════════════════════════════════════
       HERO
    ═══════════════════════════════════════════ */
    .hero {
      position: relative;
      min-height: 70vh;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      background: var(--black);
      padding-top: 80px;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      z-index: 0;
    }

    .hero-bg::before {
      content: '';
      position: absolute;
      top: -20%;
      right: -10%;
      width: 70%;
      height: 70%;
      background: radial-gradient(ellipse, rgba(201, 169, 110, 0.08) 0%, transparent 60%);
      animation: heroGlow 8s ease-in-out infinite alternate;
    }

    .hero-bg::after {
      content: '';
      position: absolute;
      bottom: -15%;
      left: -10%;
      width: 50%;
      height: 60%;
      background: radial-gradient(ellipse, rgba(201, 169, 110, 0.05) 0%, transparent 55%);
      animation: heroGlow2 10s ease-in-out infinite alternate;
    }

    @keyframes heroGlow {
      0% { transform: translate(0, 0) scale(1); opacity: 0.6; }
      100% { transform: translate(-30px, 20px) scale(1.1); opacity: 1; }
    }

    @keyframes heroGlow2 {
      0% { transform: translate(0, 0) scale(1); opacity: 0.4; }
      100% { transform: translate(20px, -15px) scale(1.15); opacity: 0.8; }
    }

    .hero-grid {
      position: absolute;
      inset: 0;
      z-index: 1;
      opacity: 0.03;
      background-image:
        linear-gradient(var(--gold) 1px, transparent 1px),
        linear-gradient(90deg, var(--gold) 1px, transparent 1px);
      background-size: 80px 80px;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 860px;
      padding: clamp(60px, 10vh, 100px) 20px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 20px;
      border: 1px solid rgba(201, 169, 110, 0.2);
      border-radius: 30px;
      font-size: 0.7rem;
      font-weight: 500;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 2.5rem;
      background: rgba(201, 169, 110, 0.04);
      backdrop-filter: blur(10px);
      animation: fadeInUp 0.8s var(--ease-out) 0.1s both;
    }

    .hero-badge::before {
      content: '◆';
      font-size: 0.45rem;
    }

    .hero-h1 {
      font-family: var(--font-heading);
      font-size: clamp(2.4rem, 5vw, 4.2rem);
      font-weight: 400;
      line-height: 1.1;
      color: var(--white);
      margin-bottom: 1.8rem;
      animation: fadeInUp 0.8s var(--ease-out) 0.25s both;
    }

    .hero-h1 em {
      font-style: italic;
      color: var(--gold);
    }

    .hero-desc {
      font-size: clamp(1rem, 1.4vw, 1.15rem);
      color: var(--white-dim);
      line-height: 1.8;
      max-width: 600px;
      margin: 0 auto 2.5rem;
      animation: fadeInUp 0.8s var(--ease-out) 0.4s both;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
      animation: fadeInUp 0.8s var(--ease-out) 0.55s both;
    }

    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(24px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* Phone top bar */
    .phone-top {
      background: var(--black-card);
      border-bottom: 1px solid var(--black-border);
      text-align: center;
      padding: 10px 20px;
      font-size: 0.8rem;
      color: var(--white-muted);
      letter-spacing: 1px;
    }

    .phone-top a {
      color: var(--gold);
      font-weight: 600;
    }

    /* ═══════════════════════════════════════════
       SECTIONS COMMUNES
    ═══════════════════════════════════════════ */
    .section {
      padding: var(--section-pad) 0;
    }

    .section-alt {
      background: var(--black-light);
    }

    .section-header {
      margin-bottom: clamp(40px, 6vw, 70px);
    }

    /* ═══════════════════════════════════════════
       INTRO / MARCHÉ
    ═══════════════════════════════════════════ */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(40px, 6vw, 80px);
      align-items: center;
    }

    .intro-text p {
      color: var(--white-dim);
      line-height: 1.9;
      margin-bottom: 1.4rem;
    }

    .intro-text p:last-child { margin-bottom: 0; }

    .intro-stat-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
    }

    .stat-card {
      background: var(--black-card);
      border: 1px solid var(--black-border);
      padding: 28px 24px;
      transition: border-color 0.3s ease;
    }

    .stat-card:hover { border-color: rgba(201, 169, 110, 0.3); }

    .stat-number {
      font-family: var(--font-heading);
      font-size: clamp(2rem, 3vw, 2.8rem);
      color: var(--gold);
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 0.8rem;
      color: var(--white-muted);
      letter-spacing: 0.5px;
      line-height: 1.4;
    }

    /* ═══════════════════════════════════════════
       CE QUE NOUS ACHETONS
    ═══════════════════════════════════════════ */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1.5px;
      background: var(--black-border);
    }

    .product-card {
      background: var(--black-card);
      padding: 36px 32px;
      transition: background 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .product-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 3px;
      height: 0;
      background: var(--gold);
      transition: height 0.4s var(--ease-out);
    }

    .product-card:hover { background: #1a1a1a; }
    .product-card:hover::before { height: 100%; }

    .product-icon {
      font-size: 1.6rem;
      margin-bottom: 16px;
      display: block;
    }

    .product-title {
      font-family: var(--font-heading);
      font-size: 1.35rem;
      font-weight: 500;
      color: var(--white);
      margin-bottom: 10px;
    }

    .product-desc {
      font-size: 0.88rem;
      color: var(--white-muted);
      line-height: 1.7;
    }

    .product-marques {
      margin-top: 12px;
      font-size: 0.78rem;
      color: var(--gold);
      letter-spacing: 0.5px;
    }

    /* ═══════════════════════════════════════════
       VALEUR — FACTEURS
    ═══════════════════════════════════════════ */
    .valeur-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 24px;
    }

    .valeur-item {
      border: 1px solid var(--black-border);
      padding: 32px 28px;
      position: relative;
      transition: border-color 0.3s ease, transform 0.3s ease;
    }

    .valeur-item:hover {
      border-color: rgba(201, 169, 110, 0.25);
      transform: translateY(-4px);
    }

    .valeur-num {
      font-family: var(--font-heading);
      font-size: 3rem;
      color: rgba(201, 169, 110, 0.12);
      line-height: 1;
      position: absolute;
      top: 20px;
      right: 24px;
      font-weight: 700;
    }

    .valeur-title {
      font-family: var(--font-heading);
      font-size: 1.3rem;
      color: var(--gold);
      margin-bottom: 10px;
    }

    .valeur-text {
      font-size: 0.9rem;
      color: var(--white-dim);
      line-height: 1.75;
    }

    /* ═══════════════════════════════════════════
       COMMENT CA SE PASSE — ÉTAPES
    ═══════════════════════════════════════════ */
    .etapes-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 0;
      position: relative;
    }

    .etapes-list::before {
      content: '';
      position: absolute;
      top: 36px;
      left: 12.5%;
      right: 12.5%;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--gold), transparent);
      opacity: 0.25;
    }

    .etape {
      padding: 40px 28px;
      text-align: center;
      position: relative;
    }

    .etape-num {
      width: 72px;
      height: 72px;
      border: 1px solid rgba(201, 169, 110, 0.25);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 24px;
      font-family: var(--font-heading);
      font-size: 1.5rem;
      color: var(--gold);
      background: var(--black);
      position: relative;
      z-index: 1;
      transition: background 0.3s ease, border-color 0.3s ease;
    }

    .etape:hover .etape-num {
      background: var(--gold-glow);
      border-color: var(--gold);
    }

    .etape-title {
      font-family: var(--font-heading);
      font-size: 1.2rem;
      color: var(--white);
      margin-bottom: 10px;
    }

    .etape-desc {
      font-size: 0.85rem;
      color: var(--white-muted);
      line-height: 1.7;
    }

    /* ═══════════════════════════════════════════
       ERREURS À ÉVITER
    ═══════════════════════════════════════════ */
    .erreurs-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .erreur-item {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 24px;
      align-items: start;
      background: var(--black-card);
      border: 1px solid var(--black-border);
      border-left: 3px solid var(--gold-dark);
      padding: 28px 32px;
      transition: border-left-color 0.3s ease;
    }

    .erreur-item:hover { border-left-color: var(--gold); }

    .erreur-icon {
      font-size: 1.5rem;
      margin-top: 2px;
    }

    .erreur-content {}

    .erreur-title {
      font-family: var(--font-heading);
      font-size: 1.2rem;
      color: var(--white);
      margin-bottom: 8px;
    }

    .erreur-text {
      font-size: 0.9rem;
      color: var(--white-dim);
      line-height: 1.75;
    }

    /* ═══════════════════════════════════════════
       ZONE D'INTERVENTION
    ═══════════════════════════════════════════ */
    .zones-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 40px;
    }

    .zone-card {
      background: var(--black-card);
      border: 1px solid var(--black-border);
      padding: 36px 28px;
      text-align: center;
      transition: border-color 0.3s ease, transform 0.3s ease;
    }

    .zone-card:hover {
      border-color: rgba(201, 169, 110, 0.3);
      transform: translateY(-4px);
    }

    .zone-dept {
      font-family: var(--font-heading);
      font-size: 3rem;
      color: var(--gold);
      line-height: 1;
      margin-bottom: 12px;
    }

    .zone-name {
      font-family: var(--font-heading);
      font-size: 1.3rem;
      color: var(--white);
      margin-bottom: 10px;
    }

    .zone-desc {
      font-size: 0.82rem;
      color: var(--white-muted);
      line-height: 1.6;
    }

    .zone-note {
      text-align: center;
      font-size: 0.88rem;
      color: var(--white-muted);
      max-width: 580px;
      margin: 0 auto;
    }

    .zone-note strong {
      color: var(--gold);
    }

    /* ═══════════════════════════════════════════
       FAQ
    ═══════════════════════════════════════════ */
    .faq-list {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    .faq-item {
      border-bottom: 1px solid var(--black-border);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 24px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      cursor: pointer;
      background: none;
      color: var(--white);
      font-family: var(--font-heading);
      font-size: 1.15rem;
      font-weight: 500;
      transition: color 0.3s ease;
    }

    .faq-question:hover { color: var(--gold); }

    .faq-icon {
      color: var(--gold);
      font-size: 1.2rem;
      flex-shrink: 0;
      transition: transform 0.35s var(--ease-out);
    }

    .faq-item.open .faq-icon { transform: rotate(45deg); }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s var(--ease-out);
    }

    .faq-item.open .faq-answer { max-height: 400px; }

    .faq-answer-inner {
      padding: 0 0 24px;
      font-size: 0.92rem;
      color: var(--white-dim);
      line-height: 1.85;
    }

    /* ═══════════════════════════════════════════
       CTA SECTION
    ═══════════════════════════════════════════ */
    .cta-section {
      padding: var(--section-pad) 0;
      background: var(--black-light);
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 600px;
      height: 600px;
      background: radial-gradient(ellipse, rgba(201, 169, 110, 0.06) 0%, transparent 60%);
      pointer-events: none;
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      text-align: center;
    }

    .cta-title {
      font-family: var(--font-heading);
      font-size: clamp(2rem, 4vw, 3.2rem);
      color: var(--white);
      margin-bottom: 1.2rem;
      font-weight: 400;
    }

    .cta-title em {
      font-style: italic;
      color: var(--gold);
    }

    .cta-subtitle {
      font-size: 1rem;
      color: var(--white-dim);
      margin-bottom: 2.5rem;
      max-width: 520px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.8;
    }

    .cta-actions {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .cta-phone-big {
      font-family: var(--font-heading);
      font-size: clamp(2rem, 4vw, 3rem);
      color: var(--gold);
      display: block;
      margin-bottom: 2rem;
      letter-spacing: 2px;
      transition: opacity 0.3s ease;
    }

    .cta-phone-big:hover { opacity: 0.8; }

    /* ═══════════════════════════════════════════
       FOOTER
    ═══════════════════════════════════════════ */
    .footer {
      background: var(--black-light);
      border-top: 1px solid var(--black-border);
      padding: 60px 0 30px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 60px;
      margin-bottom: 50px;
    }

    .footer-brand-name {
      font-family: var(--font-heading);
      font-size: 1.6rem;
      color: var(--white);
      margin-bottom: 16px;
      font-weight: 400;
    }

    .footer-brand-desc {
      font-size: 0.88rem;
      color: var(--white-muted);
      line-height: 1.75;
    }

    .footer-links-group h4 {
      font-family: var(--font-body);
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 20px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      font-size: 0.88rem;
      color: var(--white-muted);
      transition: color 0.3s ease;
    }

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

    .footer-bottom {
      border-top: 1px solid var(--black-border);
      padding-top: 24px;
      text-align: center;
    }

    .footer-copy {
      font-size: 0.8rem;
      color: var(--white-muted);
    }

    /* ═══════════════════════════════════════════
       BREADCRUMB
    ═══════════════════════════════════════════ */
    .breadcrumb {
      padding: 18px 0;
      border-bottom: 1px solid var(--black-border);
      background: var(--black-card);
    }

    .breadcrumb-inner {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.8rem;
      color: var(--white-muted);
    }

    .breadcrumb-inner a {
      color: var(--white-muted);
      transition: color 0.3s ease;
    }

    .breadcrumb-inner a:hover { color: var(--gold); }

    .breadcrumb-sep { color: var(--black-border); }
    .breadcrumb-current { color: var(--gold); }

    /* ═══════════════════════════════════════════
       RESPONSIVE
    ═══════════════════════════════════════════ */
    @media (max-width: 900px) {
      .intro-grid { grid-template-columns: 1fr; }
      .intro-stat-block { grid-template-columns: 1fr 1fr; }
      .zones-grid { grid-template-columns: 1fr; gap: 16px; }
      .footer-top { grid-template-columns: 1fr; gap: 36px; }
      .etapes-list::before { display: none; }
    }

    @media (max-width: 768px) {
      .nav-links, .nav-cta { display: none; }
      .nav-toggle { display: flex; }

      .products-grid { grid-template-columns: 1fr; gap: 1px; }
      .valeur-grid { grid-template-columns: 1fr; }
      .etapes-list { grid-template-columns: 1fr 1fr; }
      .zones-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 500px) {
      .etapes-list { grid-template-columns: 1fr; }
      .intro-stat-block { grid-template-columns: 1fr; }
    }