:root {
      --violet: #7C3AED;
      --cyan: #00D4FF;
      --dark: #0F0F23;
      --bg: #070612;
      --light: #F5F5FA;
      --gray: #8892B0;
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }

    body {
      font-family: 'Inter', sans-serif;
      background: var(--dark);
      color: var(--light);
      overflow-x: hidden;
    }

    /* ANIMATIONS */
    @keyframes blurIn {
      0% { opacity: 0; filter: blur(10px); transform: translateY(20px); }
      100% { opacity: 1; filter: blur(0); transform: translateY(0); }
    }

    @keyframes wordFadeIn {
      0% { opacity: 0; transform: translateY(40px); filter: blur(8px); }
      100% { opacity: 1; transform: translateY(0); filter: blur(0); }
    }

    @keyframes fadeInUp {
      0% { opacity: 0; transform: translateY(30px); }
      100% { opacity: 1; transform: translateY(0); }
    }

    @keyframes gradientShift {
      0%, 100% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
    }

    .blur-in {
      animation: blurIn 0.6s ease-out forwards;
      opacity: 0;
    }

    .word-animate {
      display: inline-block;
      opacity: 0;
      animation: wordFadeIn 0.6s ease-out forwards;
    }

    .fade-in-up {
      opacity: 0;
      animation: fadeInUp 0.6s ease-out forwards;
    }

    /* HEADER */
    .header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      padding: 14px 60px;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      background: rgba(7, 6, 18, 0.85);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(124, 58, 237, 0.15);
    }

    .logo {
      font-family: 'IBM Plex Sans', sans-serif;
      font-weight: 700;
      font-size: 26px;
      text-decoration: none;
      color: var(--light);
    }
    .logo .ai { color: var(--cyan); }

    .nav { display: flex; align-items: center; gap: 36px; justify-self: center; }
    .header-right { justify-self: end; display: flex; align-items: center; gap: 12px; }
    .burger { display: none; }

    .nav a {
      color: var(--gray);
      text-decoration: none;
      font-size: 15px;
      font-weight: 500;
      transition: color 0.3s;
      white-space: nowrap;
    }
    .nav a:hover { color: var(--light); }

    .btn-cta {
      display: inline-block;
      background: var(--cyan);
      color: var(--dark);
      font-family: 'IBM Plex Sans', sans-serif;
      font-weight: 700;
      font-size: 15px;
      padding: 14px 32px;
      border-radius: 50px;
      text-decoration: none;
      transition: all 0.3s;
      border: none;
      cursor: pointer;
      white-space: nowrap;
    }
    .btn-cta:hover {
      background: var(--violet);
      color: var(--light);
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(124, 58, 237, 0.3);
    }

    .btn-cta-header {
      font-size: 14px;
      padding: 12px 28px;
      background: var(--cyan) !important;
      color: var(--dark) !important;
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(12px);
      color: white;
      font-family: 'IBM Plex Sans', sans-serif;
      font-weight: 600;
      font-size: 16px;
      padding: 16px 36px;
      border-radius: 50px;
      text-decoration: none;
      transition: all 0.3s;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.2);
      border-color: rgba(255, 255, 255, 0.3);
      transform: translateY(-2px);
    }

    .btn-cta-large {
      font-size: 16px;
      padding: 16px 36px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .btn-cta-large .arrow {
      font-size: 18px;
      transition: transform 0.3s;
    }
    .btn-cta-large:hover .arrow {
      transform: translateX(4px);
    }

    /* HERO */
    .hero {
      height: 100vh;
      width: 100%;
      position: relative;
      overflow: hidden;
      background: var(--bg);
      display: flex;
      align-items: center;
    }

    .hero-video {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      margin-left: 350px;
      z-index: 0;
    }

    .hero-gradient-bottom {
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 160px;
      background: linear-gradient(to top, var(--bg), transparent);
      z-index: 10;
    }

    .hero-gradient-left {
      position: absolute;
      top: 0; left: 0;
      width: 50%;
      height: 100%;
      background: linear-gradient(to right, var(--bg) 25%, rgba(7,6,18,0.5) 50%, transparent 100%);
      z-index: 10;
    }

    .hero-content {
      position: relative;
      z-index: 20;
      max-width: 1400px;
      margin: 0;
      padding: 0 48px 0 140px;
      width: 100%;
      display: flex;
      flex-direction: column;
      gap: 48px;
    }

    .hero-top {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    /* Badge */
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 18px;
      border-radius: 50px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(8px);
      background: rgba(255, 255, 255, 0.05);
      width: fit-content;
      animation-delay: 0s;
    }

    .hero-badge .sparkle {
      font-size: 14px;
      color: var(--cyan);
    }

    .hero-badge span {
      font-size: 14px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.8);
      letter-spacing: 0.5px;
    }

    /* Heading */
    .hero h1 {
      font-family: 'IBM Plex Sans', sans-serif;
      font-size: clamp(36px, 5.5vw, 68px);
      font-weight: 500;
      line-height: 1.15;
      color: white;
      max-width: 700px;
    }

    .hero h1 .italic {
      font-style: italic;
      font-family: 'IBM Plex Sans', serif;
    }

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

    /* Subtitle */
    .hero-subtitle {
      font-size: 18px;
      font-weight: 400;
      color: rgba(255, 255, 255, 0.7);
      line-height: 1.7;
      max-width: 540px;
      animation-delay: 0.4s;
    }

    /* CTA Group */
    .hero-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      animation-delay: 0.6s;
    }

    /* AGENCY INTRO */
    .agency-intro {
      display: flex;
      align-items: stretch;
      background: var(--dark);
      min-height: 600px;
    }

    .agency-intro .intro-left {
      width: 50%;
      padding: 80px 60px 80px 80px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .agency-intro .intro-title {
      font-family: 'IBM Plex Sans', sans-serif;
      font-size: 42px;
      font-weight: 700;
      margin-bottom: 32px;
      line-height: 1.2;
      color: var(--light);
    }

    .agency-intro .intro-text {
      font-size: 17px;
      color: rgba(245, 245, 250, 0.7);
      line-height: 1.8;
      margin-bottom: 18px;
    }

    .agency-intro .intro-text strong {
      color: var(--light);
      font-weight: 700;
    }

    .agency-intro .intro-right {
      width: 50%;
      display: flex;
      align-items: center;
      padding: 0;
    }

    .agency-intro .intro-right img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
    }

    /* SECTIONS */
    .section-dark {
      padding: 100px 60px;
      background: var(--dark);
    }

    .section-light {
      padding: 100px 60px;
      background: var(--light);
    }

    .section-title {
      font-family: 'IBM Plex Sans', sans-serif;
      font-size: 42px;
      font-weight: 700;
      text-align: center;
      margin-bottom: 12px;
    }

    .section-light .section-title { color: var(--dark); }

    .section-subtitle {
      text-align: center;
      color: var(--gray);
      font-size: 18px;
      margin-bottom: 60px;
    }

    /* SERVICES */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .service-card {
      background: rgba(124, 58, 237, 0.06);
      border: 1px solid rgba(124, 58, 237, 0.15);
      border-radius: 16px;
      padding: 32px 28px;
      text-align: center;
      transition: all 0.3s;
    }
    .service-card:hover {
      border-color: var(--cyan);
      transform: translateY(-4px);
      box-shadow: 0 12px 40px rgba(0, 212, 255, 0.1);
    }

    .service-card-img {
      width: 80px;
      height: 80px;
      margin: 0 auto 16px;
      display: block;
      border-radius: 16px;
      object-fit: contain;
    }

    .service-card h3 {
      font-family: 'IBM Plex Sans', sans-serif;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .service-card p {
      font-size: 14px;
      color: var(--gray);
      line-height: 1.5;
    }

    /* INLINE CTA */
    .inline-cta {
      text-align: center;
      padding: 80px 60px;
    }

    .inline-cta h3 {
      font-family: 'IBM Plex Sans', sans-serif;
      font-size: 32px;
      font-weight: 700;
      margin-bottom: 24px;
    }

    /* PORTFOLIO */
    .portfolio-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      max-width: 1000px;
      margin: 0 auto;
      align-items: start;
    }

    .portfolio-item { text-align: center; }

    .portfolio-label {
      font-family: 'IBM Plex Sans', sans-serif;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 2px;
      color: var(--violet);
      margin-bottom: 8px;
    }

    .portfolio-from {
      width: 100%;
      border-radius: 12px;
      object-fit: contain;
      max-height: 200px;
      background: rgba(124, 58, 237, 0.05);
      padding: 8px;
    }

    .portfolio-arrow-down {
      font-size: 24px;
      color: var(--cyan);
      margin: 12px 0;
    }

    .portfolio-video {
      width: 100%;
      border-radius: 12px;
      border: 2px solid var(--cyan);
      box-shadow: 0 8px 30px rgba(0, 212, 255, 0.15);
    }

    /* PROCESS */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .process-step { text-align: center; }

    .process-img {
      width: 100%;
      max-width: 180px;
      margin: 0 auto 16px;
      display: block;
      border-radius: 16px;
    }

    .process-number {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--violet), var(--cyan));
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'IBM Plex Sans', sans-serif;
      font-weight: 700;
      font-size: 18px;
      margin: 0 auto 12px;
    }

    .process-step h3 {
      font-family: 'IBM Plex Sans', sans-serif;
      font-size: 18px;
      margin-bottom: 8px;
    }

    .process-step p {
      font-size: 14px;
      color: var(--gray);
      line-height: 1.5;
    }

    /* AFFICHES */
    .affiches-section {
      padding: 60px 0;
      background: var(--dark);
    }
    .affiches-img {
      width: 100%;
      border-radius: 0;
      display: block;
    }

    /* CTA SECTION */
    .cta-section {
      max-width: 700px;
      margin: 0 auto;
      text-align: center;
      padding: 80px 40px;
      border-radius: 24px;
      background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(0, 212, 255, 0.1));
      border: 1px solid rgba(124, 58, 237, 0.2);
    }

    .cta-section h2 {
      font-family: 'IBM Plex Sans', sans-serif;
      font-size: 36px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .cta-section p {
      color: var(--gray);
      font-size: 18px;
      margin-bottom: 32px;
    }

    .cta-trigger {
      margin-top: 16px;
      font-size: 14px;
      color: var(--gray);
    }

    /* DEVIS */
    .devis-container {
      display: flex;
      gap: 80px;
      max-width: 1100px;
      margin: 0 auto;
      align-items: center;
    }

    .devis-left {
      flex: 1;
    }

    .devis-title {
      font-family: 'IBM Plex Sans', sans-serif;
      font-size: 48px;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 20px;
    }

    .devis-subtitle {
      font-size: 18px;
      color: var(--gray);
      line-height: 1.6;
      margin-bottom: 40px;
    }

    .devis-features {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .devis-feature {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 16px;
      color: rgba(245, 245, 250, 0.8);
    }

    .devis-check {
      color: var(--cyan);
      font-size: 18px;
      font-weight: 700;
    }

    .devis-right {
      flex: 1;
      max-width: 480px;
    }

    .devis-form {
      background: rgba(124, 58, 237, 0.08);
      border: 1px solid rgba(124, 58, 237, 0.2);
      border-radius: 20px;
      padding: 40px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-family: 'IBM Plex Sans', sans-serif;
      font-size: 14px;
      font-weight: 600;
      color: var(--light);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      background: rgba(15, 15, 35, 0.8);
      border: 1px solid rgba(124, 58, 237, 0.2);
      border-radius: 10px;
      padding: 14px 16px;
      color: var(--light);
      font-family: 'Inter', sans-serif;
      font-size: 15px;
      outline: none;
      transition: border-color 0.3s;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--cyan);
    }

    .form-group input::placeholder,
    .form-group textarea::placeholder {
      color: rgba(136, 146, 176, 0.6);
    }

    .form-group select {
      appearance: none;
      cursor: pointer;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%238892B0'%3E%3Cpath d='M6 8L0 0h12z'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 16px center;
      padding-right: 40px;
    }

    .form-group select option {
      background: var(--dark);
      color: var(--light);
    }

    .form-group textarea {
      resize: vertical;
      min-height: 100px;
    }

    @media (max-width: 768px) {
      .devis-container { flex-direction: column; gap: 40px; }
      .devis-right { max-width: 100%; }
      .devis-title { font-size: 32px; }
    }

    /* FOOTER */
    .footer {
      padding: 60px;
      border-top: 1px solid rgba(124, 58, 237, 0.15);
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
    }

    .footer-brand .logo { font-size: 24px; margin-bottom: 12px; display: block; }
    .footer-brand p {
      color: var(--gray);
      font-size: 14px;
      line-height: 1.6;
    }

    .footer-col h4 {
      font-family: 'IBM Plex Sans', sans-serif;
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--light);
    }

    .footer-col a {
      display: block;
      color: var(--gray);
      text-decoration: none;
      font-size: 14px;
      margin-bottom: 8px;
      transition: color 0.3s;
    }
    .footer-col a:hover { color: var(--cyan); }

    .footer-bottom {
      padding: 20px 60px;
      border-top: 1px solid rgba(124, 58, 237, 0.1);
      text-align: center;
      color: var(--gray);
      font-size: 13px;
    }

    /* RESPONSIVE */
    @media (max-width: 768px) {
      .header { padding: 14px 20px; }
      .nav { display: none; position: absolute; top: 60px; left: 0; right: 0; background: var(--dark); flex-direction: column; padding: 20px; gap: 16px; border-bottom: 1px solid rgba(255,255,255,0.1); z-index: 100; }
      .nav.nav-open { display: flex !important; }
      .burger { display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
      .burger span { display: block; width: 22px; height: 2px; background: var(--light); border-radius: 2px; }
      .hero { padding: 0 20px; }
      .hero h1 { font-size: 32px; line-height: 1.2; }
      .hero-subtitle { font-size: 15px; max-width: 100%; }
      .hero-buttons { flex-direction: column; width: 100%; align-items: center; }
      .hero-buttons .btn-cta { width: 100%; text-align: center; justify-content: center; }
      .hero-buttons .btn-secondary { width: 100%; text-align: center; justify-content: center; display: flex; }
      .hero-video { margin-left: 0; transform: scale(1.5); transform-origin: center; }
      .hero-gradient-left { width: 100%; background: rgba(7,6,18,0.75); }
      .hero-content { padding: 0 24px; }
      section { padding: 60px 20px; }

      /* À PROPOS - empiler verticalement */
      .agency-intro { flex-direction: column-reverse !important; }
      .agency-intro .intro-left { width: 100% !important; padding: 40px 24px !important; }
      .agency-intro .intro-right { width: 100% !important; height: 300px !important; }
      .agency-intro .intro-title { font-size: 28px !important; margin-bottom: 20px !important; }
      .agency-intro .intro-text { font-size: 15px !important; line-height: 1.7 !important; word-break: normal !important; overflow-wrap: break-word !important; }

      /* SERVICES */
      .services-grid { grid-template-columns: 1fr; gap: 16px; }
      .service-card { padding: 24px; }

      /* PORTFOLIO */
      .portfolio-grid { grid-template-columns: 1fr; max-width: 100%; }

      /* PROCESS */
      .process-grid { grid-template-columns: 1fr 1fr; gap: 20px; }

      /* AFFICHES - masquer en mobile, pas lisible */
      .affiches-section { display: none !important; }

      /* HEADER */
      .header { display: flex !important; justify-content: space-between !important; align-items: center !important; }
      .header-right .btn-cta-header { font-size: 14px; padding: 10px 20px; white-space: nowrap; }
      .header-right { margin-left: auto !important; }

      /* CTA */
      .cta-section { margin: 0 16px; padding: 40px 20px; border-radius: 16px; }
      .cta-section h2 { font-size: 28px; }
      .inline-cta { padding: 40px 20px; }
      .inline-cta h3 { font-size: 22px; }

      /* DEVIS */
      #contact { padding: 60px 20px !important; flex-direction: column !important; }
      .devis-container { padding: 0 !important; flex-direction: column !important; }
      .devis-left { padding: 0 !important; text-align: center !important; }
      .devis-title { text-align: center !important; }
      .devis-subtitle { text-align: center !important; }
      .devis-features { display: flex !important; flex-direction: column !important; align-items: flex-start !important; width: fit-content !important; margin: 0 auto !important; }
      .devis-right { padding: 0 !important; max-width: 100% !important; }
      .devis-form { padding: 30px 24px !important; }
      .devis-form label { padding-left: 8px !important; }
      .devis-form input, .devis-form select, .devis-form textarea { font-size: 16px; width: 100% !important; }
      .devis-form button { font-size: 18px !important; font-weight: 700 !important; padding: 18px !important; }

      /* FOOTER */
      .footer { grid-template-columns: 1fr 1fr; gap: 24px; }
      .section-title { font-size: 28px; }
      .section-subtitle { font-size: 15px; }
    }