/* ═══════════════════════════════════════════
       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;
      --gray: #8A8A8A;

      --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;
      -webkit-font-smoothing: antialiased;
    }

    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;
    }

    /* ═══════════════════════════════════════════
       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(2.2rem, 4vw, 3.4rem);
      font-weight: 400;
      line-height: 1.15;
      color: var(--white);
      margin-bottom: 1.5rem;
    }

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

    .section-subtitle {
      font-family: var(--font-body);
      font-size: 1rem;
      color: var(--white-dim);
      max-width: 560px;
      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);
    }

    .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);
    }

    .nav.scrolled {
      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); }

    .nav-mobile { display: none; }

    /* ═══════════════════════════════════════════
       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: 900px;
      padding: clamp(60px, 10vw, 120px) 20px clamp(60px, 8vw, 100px);
    }

    .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: 0.72rem;
      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);
      opacity: 0;
      transform: translateY(20px);
      animation: fadeInUp 0.9s var(--ease-out) 0.2s forwards;
    }

    .hero-badge::before {
      content: '◆';
      font-size: 0.5rem;
    }

    .hero-title {
      font-family: var(--font-heading);
      font-size: clamp(2.4rem, 6vw, 4.8rem);
      font-weight: 300;
      line-height: 1.08;
      color: var(--white);
      margin-bottom: 1.5rem;
      opacity: 0;
      transform: translateY(30px);
      animation: fadeInUp 0.9s var(--ease-out) 0.4s forwards;
    }

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

    .hero-subtitle {
      font-family: var(--font-body);
      font-size: clamp(1rem, 1.5vw, 1.2rem);
      font-weight: 400;
      color: var(--white-dim);
      max-width: 620px;
      margin: 0 auto 2.5rem;
      line-height: 1.8;
      opacity: 0;
      transform: translateY(20px);
      animation: fadeInUp 0.9s var(--ease-out) 0.6s forwards;
    }

    .hero-buttons {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
      opacity: 0;
      transform: translateY(20px);
      animation: fadeInUp 0.9s var(--ease-out) 0.8s forwards;
    }

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

    /* Breadcrumb */
    .breadcrumb {
      position: relative;
      z-index: 2;
      text-align: center;
      padding-top: 100px;
      padding-bottom: 0;
    }

    .breadcrumb-inner {
      font-size: 0.75rem;
      letter-spacing: 1px;
      color: var(--white-muted);
    }

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

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

    .breadcrumb-inner span {
      margin: 0 8px;
      opacity: 0.4;
    }

    /* ═══════════════════════════════════════════
       SECTIONS COMMUNES
    ═══════════════════════════════════════════ */
    .section-dark {
      padding: var(--section-pad) 0;
      background: var(--black);
      position: relative;
    }

    .section-alt {
      padding: var(--section-pad) 0;
      background: var(--black-light);
      position: relative;
    }

    .section-alt::before,
    .section-dark + .section-alt::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--gold-glow), transparent);
    }

    .section-header {
      margin-bottom: clamp(50px, 6vw, 80px);
    }

    .section-header.centered {
      text-align: center;
    }

    .section-header.centered .section-label {
      justify-content: center;
    }

    .section-header.centered .section-subtitle {
      margin: 0 auto;
    }

    /* ═══════════════════════════════════════════
       INTRO / VALEUR
    ═══════════════════════════════════════════ */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(40px, 6vw, 100px);
      align-items: center;
    }

    .intro-image {
      position: relative;
      aspect-ratio: 4/3;
      overflow: hidden;
      background: var(--black-card);
      border: 1px solid var(--black-border);
    }

    .intro-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: sepia(0.15) brightness(0.85);
      transition: transform 0.8s var(--ease-out);
    }

    .intro-image:hover img { transform: scale(1.03); }

    .intro-image::after {
      content: '';
      position: absolute;
      bottom: -10px;
      right: -10px;
      width: 80px;
      height: 80px;
      border-right: 1px solid var(--gold);
      border-bottom: 1px solid var(--gold);
      opacity: 0.3;
    }

    .intro-text {
      font-size: 1.05rem;
      color: var(--white-dim);
      line-height: 1.9;
      margin-bottom: 1.5rem;
    }

    .intro-stat-row {
      display: flex;
      gap: 40px;
      margin-top: 2rem;
      padding-top: 2rem;
      border-top: 1px solid var(--black-border);
    }

    .intro-stat {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .intro-stat-value {
      font-family: var(--font-heading);
      font-size: 2rem;
      font-weight: 500;
      color: var(--gold);
      line-height: 1;
    }

    .intro-stat-label {
      font-size: 0.75rem;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--white-muted);
    }

    /* ═══════════════════════════════════════════
       GRILLE CE QU'ON ACHETE
    ═══════════════════════════════════════════ */
    .items-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .item-card {
      background: var(--black-card);
      border: 1px solid var(--black-border);
      padding: clamp(24px, 2.5vw, 36px);
      position: relative;
      overflow: hidden;
      transition: all 0.5s var(--ease-out);
    }

    .item-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--gold), transparent);
      opacity: 0;
      transition: opacity 0.4s ease;
    }

    .item-card:hover {
      border-color: rgba(201, 169, 110, 0.15);
      transform: translateY(-3px);
    }

    .item-card:hover::before { opacity: 1; }

    .item-card-icon {
      font-size: 2rem;
      margin-bottom: 1.2rem;
      opacity: 0.7;
      transition: opacity 0.4s ease;
    }

    .item-card:hover .item-card-icon { opacity: 1; }

    .item-card h3 {
      font-family: var(--font-heading);
      font-size: 1.3rem;
      font-weight: 500;
      color: var(--white);
      margin-bottom: 0.7rem;
    }

    .item-card p {
      font-size: 0.95rem;
      color: var(--white-dim);
      line-height: 1.7;
    }

    /* ═══════════════════════════════════════════
       SECTION EXPERTISE / POINCONS
    ═══════════════════════════════════════════ */
    .expertise-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(40px, 6vw, 100px);
      align-items: start;
    }

    .expertise-text h3 {
      font-family: var(--font-heading);
      font-size: 1.6rem;
      font-weight: 500;
      color: var(--white);
      margin-bottom: 1rem;
    }

    .expertise-text p {
      font-size: 1rem;
      color: var(--white-dim);
      line-height: 1.85;
      margin-bottom: 1.5rem;
    }

    .poincon-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 1.5rem;
    }

    .poincon-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 16px 20px;
      background: var(--black-card);
      border: 1px solid var(--black-border);
      transition: border-color 0.3s ease;
    }

    .poincon-item:hover {
      border-color: rgba(201, 169, 110, 0.15);
    }

    .poincon-badge {
      flex-shrink: 0;
      padding: 4px 10px;
      border: 1px solid var(--gold);
      color: var(--gold);
      font-size: 0.65rem;
      font-weight: 600;
      letter-spacing: 2px;
      text-transform: uppercase;
      white-space: nowrap;
      margin-top: 2px;
    }

    .poincon-desc {
      font-size: 0.9rem;
      color: var(--white-dim);
      line-height: 1.6;
    }

    .poincon-desc strong {
      color: var(--white);
      font-weight: 500;
    }

    .fabricants-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 1.5rem;
    }

    .fabricant-item {
      background: var(--black-card);
      border: 1px solid var(--black-border);
      padding: 16px 20px;
      transition: all 0.4s var(--ease-out);
    }

    .fabricant-item:hover {
      border-color: rgba(201, 169, 110, 0.2);
    }

    .fabricant-name {
      font-family: var(--font-heading);
      font-size: 1.15rem;
      font-weight: 500;
      color: var(--gold);
      margin-bottom: 4px;
    }

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

    /* ═══════════════════════════════════════════
       ETAPES
    ═══════════════════════════════════════════ */
    .etapes-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .etapes-grid::before {
      content: '';
      position: absolute;
      top: 32px;
      left: calc(12.5% + 12px);
      right: calc(12.5% + 12px);
      height: 1px;
      background: linear-gradient(90deg, var(--gold-glow), var(--gold-glow-strong), var(--gold-glow));
    }

    .etape {
      position: relative;
      text-align: center;
    }

    .etape-number {
      width: 64px;
      height: 64px;
      border: 1px solid rgba(201, 169, 110, 0.3);
      background: var(--black);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 1.5rem;
      position: relative;
      z-index: 1;
    }

    .etape-number span {
      font-family: var(--font-heading);
      font-size: 1.5rem;
      font-weight: 400;
      color: var(--gold);
    }

    .etape h3 {
      font-family: var(--font-heading);
      font-size: 1.2rem;
      font-weight: 500;
      color: var(--white);
      margin-bottom: 0.6rem;
    }

    .etape p {
      font-size: 0.9rem;
      color: var(--white-dim);
      line-height: 1.7;
    }

    /* ═══════════════════════════════════════════
       ZONES
    ═══════════════════════════════════════════ */
    .zones-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .zone-card {
      background: var(--black-card);
      border: 1px solid var(--black-border);
      padding: clamp(30px, 3vw, 48px);
      text-align: center;
      position: relative;
      overflow: hidden;
      transition: all 0.5s var(--ease-out);
    }

    .zone-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--gold), transparent);
      opacity: 0;
      transition: opacity 0.4s ease;
    }

    .zone-card:hover {
      border-color: rgba(201, 169, 110, 0.15);
      transform: translateY(-3px);
    }

    .zone-card:hover::before { opacity: 1; }

    .zone-num {
      font-family: var(--font-heading);
      font-size: 3.5rem;
      font-weight: 300;
      color: var(--gold);
      opacity: 0.5;
      line-height: 1;
      margin-bottom: 0.5rem;
    }

    .zone-name {
      font-family: var(--font-heading);
      font-size: 1.3rem;
      font-weight: 500;
      color: var(--white);
      margin-bottom: 0.8rem;
    }

    .zone-desc {
      font-size: 0.9rem;
      color: var(--white-dim);
      line-height: 1.7;
    }

    /* ═══════════════════════════════════════════
       FAQ
    ═══════════════════════════════════════════ */
    .faq-grid {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    .faq-item {
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .faq-item:first-child {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding: 24px 0;
      background: none;
      border: none;
      cursor: pointer;
      color: var(--white);
      font-family: var(--font-heading);
      font-size: 1.1rem;
      font-weight: 500;
      text-align: left;
      transition: color 0.2s ease;
    }

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

    .faq-icon {
      flex-shrink: 0;
      font-size: 1.4rem;
      font-weight: 300;
      color: var(--gold);
      transition: transform 0.3s ease;
      line-height: 1;
    }

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

    .faq-answer {
      display: none;
      padding-bottom: 24px;
    }

    .faq-item.open .faq-answer { display: block; }

    .faq-answer p {
      color: var(--gray);
      font-size: 0.95rem;
      line-height: 1.75;
    }

    /* ═══════════════════════════════════════════
       CTA SECTION
    ═══════════════════════════════════════════ */
    .cta-section {
      padding: var(--section-pad) 0;
      text-align: center;
      position: relative;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 500px;
      height: 500px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(201, 169, 110, 0.05) 0%, transparent 60%);
      pointer-events: none;
    }

    .cta-content {
      position: relative;
      z-index: 1;
    }

    .cta-content .section-label { justify-content: center; }

    .cta-content .section-title {
      max-width: 700px;
      margin: 0 auto 1.5rem;
      text-align: center;
    }

    .cta-content .section-subtitle {
      margin: 0 auto 2.5rem;
      text-align: center;
    }

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

    .cta-phone-display {
      font-family: var(--font-heading);
      font-size: 2rem;
      font-weight: 400;
      color: var(--gold);
      letter-spacing: 2px;
      margin-top: 1.5rem;
      display: block;
    }

    .cta-phone-display a {
      color: inherit;
      transition: opacity 0.3s ease;
    }

    .cta-phone-display a:hover { opacity: 0.8; }

    .cta-note {
      font-size: 0.8rem;
      color: var(--white-muted);
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-top: 0.5rem;
    }

    /* ═══════════════════════════════════════════
       FOOTER
    ═══════════════════════════════════════════ */
    .footer {
      padding: 50px 0 30px;
      border-top: 1px solid var(--black-border);
    }

    .footer-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 40px;
      flex-wrap: wrap;
      gap: 40px;
    }

    .footer-brand { max-width: 300px; }

    .footer-brand-name {
      font-family: var(--font-heading);
      font-size: 1.5rem;
      font-weight: 500;
      margin-bottom: 0.8rem;
      color: var(--white);
    }

    .footer-brand-desc {
      font-size: 0.95rem;
      color: var(--white-muted);
      line-height: 1.7;
    }

    .footer-links-group h4 {
      font-family: var(--font-heading);
      font-size: 1rem;
      font-weight: 500;
      margin-bottom: 1rem;
      color: var(--white);
    }

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

    .footer-links a {
      font-size: 0.95rem;
      color: var(--white-muted);
      transition: color 0.3s ease;
    }

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

    .footer-bottom {
      padding-top: 30px;
      border-top: 1px solid var(--black-border);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-copy {
      font-size: 0.85rem;
      color: var(--white-muted);
    }

    /* ═══════════════════════════════════════════
       SCROLL REVEAL
    ═══════════════════════════════════════════ */
    .reveal {
      opacity: 0;
      transform: translateY(40px);
      transition: all 0.9s var(--ease-out);
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }

    /* ═══════════════════════════════════════════
       RESPONSIVE
    ═══════════════════════════════════════════ */
    @media (max-width: 1024px) {
      .nav-links { display: none; }
      .nav-cta.desktop-only { display: none; }
      .nav-toggle { display: flex; }

      .nav-mobile {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        z-index: 999;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.4s ease;
      }

      .nav-mobile.open {
        display: flex;
        opacity: 1;
        pointer-events: all;
      }

      .nav-mobile a {
        font-family: var(--font-heading);
        font-size: 1.8rem;
        font-weight: 400;
        color: var(--white-dim);
        transition: color 0.3s ease;
      }

      .nav-mobile a:hover { color: var(--gold); }

      .nav-mobile .nav-cta {
        margin-top: 16px;
        padding: 14px 32px;
        font-size: 0.8rem;
      }

      .intro-grid { grid-template-columns: 1fr; }
      .intro-image { max-height: 380px; }
      .items-grid { grid-template-columns: repeat(2, 1fr); }
      .expertise-content { grid-template-columns: 1fr; }
      .etapes-grid { grid-template-columns: repeat(2, 1fr); }
      .etapes-grid::before { display: none; }
      .zones-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 640px) {
      .items-grid { grid-template-columns: 1fr; }
      .etapes-grid { grid-template-columns: 1fr; }
      .fabricants-grid { grid-template-columns: 1fr; }
      .intro-stat-row { flex-direction: column; gap: 24px; }
      .cta-phone-display { font-size: 1.5rem; }
      .footer-top { flex-direction: column; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }