/* =====================
       CSS VARIABLES
    ===================== */
    :root {
      --bg: #080c14;
      --bg2: #0d1421;
      --bg3: #111827;
      --card: #0f1a2e;
      --card-border: #1e2d4a;
      --accent: #2563eb;
      --accent2: #3b82f6;
      --accent-glow: rgba(37, 99, 235, 0.25);
      --cyan: #06b6d4;
      --text: #f0f4ff;
      --text-muted: #8899b8;
      --text-dim: #4a5c7a;
      --white: #ffffff;
      --font-display: 'Syne', sans-serif;
      --font-body: 'DM Sans', sans-serif;
      --radius: 16px;
      --radius-sm: 10px;
      --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html { scroll-behavior: smooth; font-size: 16px; }

    body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--font-body);
      font-weight: 400;
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; }

    .container {
      max-width: 1140px;
      margin: 0 auto;
      padding: 0 24px;
    }

    section { position: relative; }

    /* =====================
       NOISE OVERLAY
    ===================== */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 0;
      opacity: 0.6;
    }

    /* =====================
       HEADER / NAV
    ===================== */
    header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      padding: 0 24px;
      transition: background var(--transition), backdrop-filter var(--transition);
    }

    header.scrolled {
      background: rgba(8, 12, 20, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--card-border);
    }

    nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      max-width: 1140px;
      margin: 0 auto;
    }

    .logo {
      font-family: var(--font-display);
      font-size: 1.5rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      background: linear-gradient(135deg, var(--white) 40%, var(--cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 36px;
      list-style: none;
    }

    .nav-links a {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-muted);
      transition: color var(--transition);
      letter-spacing: 0.01em;
    }

    .nav-links a:hover { color: var(--white); }

    .btn-nav {
      background: var(--accent);
      color: var(--white) !important;
      padding: 9px 22px;
      border-radius: 8px;
      font-weight: 500;
      transition: background var(--transition), transform var(--transition), box-shadow var(--transition) !important;
      box-shadow: 0 0 0 0 var(--accent-glow);
    }

    .btn-nav:hover {
      background: var(--accent2) !important;
      transform: translateY(-1px);
      box-shadow: 0 6px 24px var(--accent-glow) !important;
    }

    /* Hamburger */
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 6px;
      background: none;
      border: none;
    }

    .hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: var(--transition);
    }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 72px; left: 0; right: 0;
      background: rgba(8, 12, 20, 0.97);
      backdrop-filter: blur(20px);
      padding: 24px;
      z-index: 99;
      border-bottom: 1px solid var(--card-border);
      flex-direction: column;
      gap: 20px;
    }

    .mobile-menu.open { display: flex; }

    .mobile-menu a {
      font-size: 1.1rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 10px 0;
      border-bottom: 1px solid var(--card-border);
    }

    /* =====================
       BUTTONS
    ===================== */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 28px;
      border-radius: var(--radius-sm);
      font-family: var(--font-body);
      font-size: 0.95rem;
      font-weight: 500;
      cursor: pointer;
      border: none;
      transition: all var(--transition);
      letter-spacing: 0.01em;
    }

    .btn-primary {
      background: var(--accent);
      color: var(--white);
      box-shadow: 0 4px 20px var(--accent-glow);
    }

    .btn-primary:hover {
      background: var(--accent2);
      transform: translateY(-2px);
      box-shadow: 0 8px 32px var(--accent-glow);
    }

    .btn-outline {
      background: transparent;
      color: var(--text);
      border: 1.5px solid var(--card-border);
    }

    .btn-outline:hover {
      border-color: var(--accent);
      color: var(--white);
      transform: translateY(-2px);
      background: rgba(37, 99, 235, 0.08);
    }

    .btn-whatsapp {
      background: #16a34a;
      color: var(--white);
      box-shadow: 0 4px 20px rgba(22, 163, 74, 0.25);
    }

    .btn-whatsapp:hover {
      background: #15803d;
      transform: translateY(-2px);
      box-shadow: 0 8px 32px rgba(22, 163, 74, 0.3);
    }

    /* =====================
       HERO
    ===================== */
    #accueil {
      min-height: 100vh;
      display: flex;
      align-items: center;
      padding: 140px 0 80px;
      overflow: hidden;
    }

    /* Animated grid background */
    #accueil::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.04) 1px, transparent 1px);
      background-size: 60px 60px;
      mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 70%);
    }

    /* Glowing orbs */
    #accueil::after {
      content: '';
      position: absolute;
      width: 600px; height: 600px;
      background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
      top: 50%; left: 50%;
      transform: translate(-50%, -60%);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      max-width: 760px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(37, 99, 235, 0.12);
      border: 1px solid rgba(37, 99, 235, 0.3);
      padding: 6px 14px;
      border-radius: 100px;
      font-size: 0.82rem;
      font-weight: 500;
      color: var(--accent2);
      margin-bottom: 28px;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .hero-badge::before {
      content: '';
      width: 7px; height: 7px;
      background: var(--cyan);
      border-radius: 50%;
      animation: pulse-dot 2s infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(0.7); }
    }

    h1 {
      font-family: var(--font-display);
      font-size: clamp(1.75rem, 5vw, 2.8rem);
      font-weight: 800;
      line-height: 1.1;
      letter-spacing: -0.03em;
      margin-bottom: 20px;
      max-width: 100%;
    }

    h1 .highlight {
      background: linear-gradient(135deg, var(--accent2), var(--cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-sub {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 520px;
      margin-bottom: 40px;
      font-weight: 300;
      line-height: 1.7;
    }

    .hero-cta {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 56px;
    }

    .hero-trust {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
    }

    .trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .trust-item svg {
      color: var(--cyan);
      flex-shrink: 0;
    }

    /* =====================
       SECTION TITLES
    ===================== */
    .section-label {
      font-size: 0.78rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--accent2);
      margin-bottom: 12px;
    }

    .section-title {
      font-family: var(--font-display);
      font-size: clamp(1.8rem, 3.5vw, 2.6rem);
      font-weight: 700;
      line-height: 1.15;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }

    .section-desc {
      color: var(--text-muted);
      font-size: 1.05rem;
      max-width: 520px;
      line-height: 1.7;
      font-weight: 300;
    }

    .section-head {
      margin-bottom: 56px;
    }

    /* =====================
       SERVICES
    ===================== */
    #services {
      padding: 100px 0;
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 20px;
    }

    .service-card {
      background: var(--card);
      border: 1px solid var(--card-border);
      border-radius: var(--radius);
      padding: 32px;
      position: relative;
      overflow: hidden;
      transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    .service-card::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, var(--accent-glow), transparent 60%);
      opacity: 0;
      transition: opacity var(--transition);
    }

    .service-card:hover {
      border-color: rgba(37, 99, 235, 0.45);
      transform: translateY(-4px);
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    }

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

    .service-icon {
      width: 52px; height: 52px;
      background: rgba(37, 99, 235, 0.12);
      border: 1px solid rgba(37, 99, 235, 0.2);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--accent2);
      transition: background var(--transition), border-color var(--transition);
    }

    .service-card:hover .service-icon {
      background: rgba(37, 99, 235, 0.2);
      border-color: rgba(37, 99, 235, 0.4);
    }

    .service-title {
      font-family: var(--font-display);
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 10px;
      letter-spacing: -0.01em;
    }

    .service-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* =====================
       AVANTAGES
    ===================== */
    #avantages {
      padding: 100px 0;
      background: var(--bg2);
      border-top: 1px solid var(--card-border);
      border-bottom: 1px solid var(--card-border);
    }

    .avantages-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
      gap: 28px;
    }

    .av-card {
      text-align: center;
      padding: 36px 24px;
      border-radius: var(--radius);
      border: 1px solid var(--card-border);
      background: var(--card);
      transition: border-color var(--transition), transform var(--transition);
    }

    .av-card:hover {
      border-color: rgba(6, 182, 212, 0.35);
      transform: translateY(-3px);
    }

    .av-icon {
      width: 56px; height: 56px;
      background: rgba(6, 182, 212, 0.1);
      border: 1px solid rgba(6, 182, 212, 0.2);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 18px;
      color: var(--cyan);
    }

    .av-title {
      font-family: var(--font-display);
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .av-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* =====================
       ZONE SEO
    ===================== */
    #zone {
      padding: 100px 0;
    }

    .zone-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    .zone-text h2 { margin-bottom: 20px; }

    .zone-text p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 0.95rem;
      line-height: 1.75;
      font-weight: 300;
    }

    .zone-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 28px;
    }

    .zone-tag {
      background: rgba(37, 99, 235, 0.1);
      border: 1px solid rgba(37, 99, 235, 0.25);
      color: var(--accent2);
      padding: 6px 16px;
      border-radius: 100px;
      font-size: 0.83rem;
      font-weight: 500;
    }

    .zone-visual {
      background: var(--card);
      border: 1px solid var(--card-border);
      border-radius: var(--radius);
      padding: 40px;
      position: relative;
      overflow: hidden;
    }

    .zone-visual::before {
      content: '';
      position: absolute;
      top: -50%; right: -30%;
      width: 300px; height: 300px;
      background: radial-gradient(circle, rgba(6, 182, 212, 0.1), transparent 70%);
      pointer-events: none;
    }

    .zone-stat {
      margin-bottom: 28px;
    }

    .zone-stat:last-child { margin-bottom: 0; }

    .zone-stat-label {
      font-size: 0.8rem;
      color: var(--text-dim);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 4px;
    }

    .zone-stat-value {
      font-family: var(--font-display);
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--white);
    }

    .zone-stat-bar {
      height: 4px;
      background: var(--card-border);
      border-radius: 4px;
      margin-top: 8px;
      overflow: hidden;
    }

    .zone-stat-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--accent), var(--cyan));
      border-radius: 4px;
      animation: grow 1.5s ease-out forwards;
      width: 0;
    }

    @keyframes grow {
      to { width: var(--w); }
    }

    /* =====================
       CONTACT
    ===================== */
    #contact {
      padding: 100px 0;
      background: var(--bg2);
      border-top: 1px solid var(--card-border);
    }

    .contact-inner {
      display: grid;
      grid-template-columns: 1fr 1.3fr;
      gap: 60px;
      align-items: start;
    }

    .contact-info h2 { margin-bottom: 16px; }

    .contact-info p {
      color: var(--text-muted);
      font-size: 0.95rem;
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .contact-link {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 16px 20px;
      background: var(--card);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      transition: border-color var(--transition), transform var(--transition);
      color: var(--text);
    }

    .contact-link:hover {
      border-color: var(--accent);
      transform: translateX(4px);
      color: var(--white);
    }

    .contact-link-icon {
      width: 40px; height: 40px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .contact-link-icon.phone { background: rgba(37, 99, 235, 0.15); color: var(--accent2); }
    .contact-link-icon.wa { background: rgba(22, 163, 74, 0.15); color: #4ade80; }

    .contact-link-text small {
      display: block;
      font-size: 0.75rem;
      color: var(--text-dim);
    }

    .contact-link-text strong {
      font-size: 0.95rem;
      font-weight: 500;
    }

    /* Form */
    .contact-form {
      background: var(--card);
      border: 1px solid var(--card-border);
      border-radius: var(--radius);
      padding: 36px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 0.83rem;
      font-weight: 500;
      color: var(--text-muted);
      margin-bottom: 8px;
      letter-spacing: 0.02em;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
      width: 100%;
      background: var(--bg3);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      font-family: var(--font-body);
      font-size: 0.95rem;
      color: var(--text);
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition);
      appearance: none;
    }

    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px var(--accent-glow);
    }

    .form-group textarea {
      resize: vertical;
      min-height: 120px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .btn-submit {
      width: 100%;
      justify-content: center;
      font-size: 1rem;
      padding: 15px;
      margin-top: 8px;
    }

    .form-success {
      display: none;
      text-align: center;
      padding: 20px;
      background: rgba(22, 163, 74, 0.1);
      border: 1px solid rgba(22, 163, 74, 0.3);
      border-radius: var(--radius-sm);
      color: #4ade80;
      font-size: 0.95rem;
      margin-top: 16px;
    }

    /* =====================
       FOOTER
    ===================== */
    footer {
      background: var(--bg);
      border-top: 1px solid var(--card-border);
      padding: 40px 0;
    }

    .footer-inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .footer-logo {
      font-family: var(--font-display);
      font-size: 1.2rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--white), var(--cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .footer-info {
      font-size: 0.83rem;
      color: var(--text-dim);
      line-height: 1.7;
    }

    .footer-links {
      display: flex;
      gap: 24px;
    }

    .footer-links a {
      font-size: 0.82rem;
      color: var(--text-dim);
      transition: color var(--transition);
    }

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

    /* =====================
       SCROLL ANIMATIONS
    ===================== */
    .reveal {
      opacity: 0;
      transform: translateY(28px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: none;
    }

    .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; }

    /* =====================
       DIVIDER
    ===================== */
    .divider {
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--card-border), transparent);
      border: none;
      margin: 0;
    }

    /* =====================
       RESPONSIVE
    ===================== */
    @media (max-width: 900px) {
      .zone-inner,
      .contact-inner {
        grid-template-columns: 1fr;
        gap: 40px;
      }
    }

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

      .services-grid {
        grid-template-columns: 1fr;
      }

      .avantages-grid {
        grid-template-columns: 1fr 1fr;
      }

      .form-row {
        grid-template-columns: 1fr;
      }

      .footer-inner {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 480px) {
      .container {
        padding: 0 16px;
      }

      h1 {
        font-size: clamp(1.8rem, 5vw, 2.1rem);
        word-spacing: 100vw;
        max-width: 100%;
        overflow-wrap: break-word;
        word-wrap: break-word;
      }

      .hero-inner {
        max-width: 100%;
        padding: 0;
      }

      .hero-cta {
        flex-direction: column;
        width: 100%;
      }

      .btn {
        width: 100%;
        justify-content: center;
        padding: 12px 20px;
      }

      .avantages-grid {
        grid-template-columns: 1fr;
      }

      .hero-sub {
        max-width: 100%;
        font-size: 0.95rem;
      }

      .btn-whatsapp,
      .btn-primary {
        width: 100%;
      }
    }