/* ===== DESIGN TOKENS ===== */
    :root {
      --bg: #ffffff;
      --fg: #1a1a1a;
      --accent: hsl(208, 55%, 49%);
      --accent-light: hsla(208, 55%, 49%, 0.12);
      --muted: #737373;
      --border: #e5e5e5;
      --section-dark: hsl(210, 20%, 96%);
      --section-darker: hsl(208, 30%, 15%);
      --section-darker-fg: hsl(210, 20%, 92%);
      --primary: #1a1a1a;
      --primary-fg: #ffffff;
      --card-bg: #ffffff;
      --radius: 0.5rem;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
      --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
      --shadow-xl: 0 20px 60px rgba(0,0,0,0.14);
      --transition: all 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; }
    body {
      font-family: 'Inter', system-ui, sans-serif;
      background: var(--bg);
      color: var(--fg);
      line-height: 1.6;
      font-size: 16px;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; }
    button { cursor: pointer; font-family: inherit; border: none; background: none; }
    section[id] { scroll-margin-top: 80px; }

    /* ===== TYPOGRAPHY ===== */
    .font-display { font-family: 'Playfair Display', serif; }
    h1,h2,h3 { font-family: 'Playfair Display', serif; line-height: 1.2; }

    /* ===== LAYOUT ===== */
    .container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
    @media (max-width: 640px) { .container { padding: 0 1rem; } }

    /* ===== BUTTONS ===== */
    .btn {
      display: inline-flex; align-items: center; gap: 0.5rem;
      padding: 0.75rem 1.75rem; border-radius: var(--radius);
      font-weight: 600; font-size: 1rem; transition: var(--transition);
      cursor: pointer;
    }
    .btn-primary {
      background: var(--accent); color: #fff;
    }
    .btn-primary:hover { background: hsl(208, 55%, 42%); transform: translateY(-1px); box-shadow: var(--shadow-md); }
    .btn-outline {
      background: transparent; color: var(--fg);
      border: 2px solid var(--border);
    }
    .btn-outline:hover { border-color: var(--accent); color: var(--accent); }
    .btn-lg { padding: 1rem 2rem; font-size: 1.1rem; }

    /* ===== CARDS ===== */
    .card {
      background: var(--card-bg); border: 1px solid var(--border);
      border-radius: var(--radius); transition: var(--transition);
    }
    .card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
    .card-body { padding: 2rem; }

    /* ===== BADGE ===== */
    .badge {
      display: inline-block; padding: 0.2rem 0.75rem;
      border: 1px solid var(--border); border-radius: 9999px;
      font-size: 0.75rem; font-weight: 500;
    }

    /* ===== ANIMATIONS ===== */
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(24px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .animate { animation: fadeInUp 0.7s ease-out both; }
    .delay-1 { animation-delay: 0.1s; }
    .delay-2 { animation-delay: 0.2s; }
    .delay-3 { animation-delay: 0.3s; }
    @media (prefers-reduced-motion: reduce) {
      .animate { animation: none; }
    }

    /* ===========================
       NAVIGATION
    =========================== */
    #navbar {
      position: fixed; top: 0; left: 0; right: 0; z-index: 50;
      background: rgba(255,255,255,0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border);
    }
    #navbar > .container {
      height: 80px; display: flex; align-items: center; justify-content: space-between; padding-top: 0; padding-bottom: 0;
    }
    .nav-logo img { height: 40px; transition: var(--transition); }
    .nav-logo:hover img { transform: scale(1.05); }
    .nav-links { display: flex; align-items: center; gap: 2rem; }
    .nav-links a:not(.btn) {
      font-weight: 500; color: var(--fg); transition: var(--transition);
      font-size: 1rem;
    }
    .nav-links a:not(.btn):hover { color: var(--accent); }
    .nav-burger { display: none; padding: 0.5rem; color: var(--fg); }
    .nav-mobile {
      display: none; padding: 1rem 2rem;
      flex-direction: column; gap: 0.75rem;
      border-top: 1px solid var(--border);
      background: var(--bg);
    }
    .nav-mobile.open { display: flex; }
    .nav-mobile a:not(.btn) {
      text-align: left; padding: 0.5rem 0;
      font-weight: 500; color: var(--fg); font-size: 1rem;
    }
    .nav-mobile a:not(.btn):hover { color: var(--accent); }

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

    /* ===========================
       HERO
    =========================== */
    #accueil {
      padding: 8rem 0 5rem;
      background: var(--bg);
    }
    .hero-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 3rem; align-items: center;
    }
    .hero-tag {
      color: var(--accent); font-weight: 600; margin-bottom: 1rem;
      font-size: 0.95rem;
    }
    .hero-title {
      font-size: clamp(2.5rem, 5vw, 4.2rem);
      font-weight: 700; line-height: 1.1;
      margin-bottom: 1.5rem; color: var(--fg);
    }
    .hero-title em { font-style: italic; color: var(--accent); }
    .hero-lead { font-size: 1.15rem; color: var(--muted); margin-bottom: 0.75rem; line-height: 1.7; }
    .hero-sub { font-size: 1rem; color: var(--muted); margin-bottom: 2rem; }
    .hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; }
    .hero-image-wrap {
      position: relative; border-radius: 1rem;
      overflow: hidden; box-shadow: var(--shadow-xl);
    }
    .hero-image-wrap img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
    .hero-image-wrap::after {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(135deg, hsla(208,55%,49%,0.2) 0%, transparent 60%);
    }
    .hero-blob {
      position: absolute; bottom: -24px; right: -24px;
      width: 128px; height: 128px;
      background: var(--accent); border-radius: 50%;
      opacity: 0.2; filter: blur(40px);
    }
    .hero-stats {
      display: grid; grid-template-columns: repeat(4,1fr);
      gap: 2rem; margin-top: 4rem; padding-top: 3rem;
      border-top: 1px solid var(--border);
    }
    .stat-value {
      font-family: 'Playfair Display', serif;
      font-size: 2.2rem; font-weight: 700;
      color: var(--accent); line-height: 1;
    }
    .stat-label { font-size: 0.85rem; color: var(--muted); margin-top: 0.25rem; }

    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .hero-image-wrap { max-width: 540px; margin: 0 auto; }
      .hero-stats { grid-template-columns: repeat(2,1fr); }
    }
    @media (max-width: 640px) {
      #accueil { padding: 6rem 0 4rem; }
      .hero-stats { grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
    }

    /* ===========================
       SERVICES
    =========================== */
    #services {
      padding: 5rem 0;
      background: var(--section-dark);
    }
    .section-header { text-align: center; margin-bottom: 4rem; }
    .section-title {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700; margin-bottom: 1rem;
    }
    .section-sub { font-size: 1.1rem; color: var(--muted); max-width: 600px; margin: 0 auto; }
    .services-grid {
      display: grid; grid-template-columns: repeat(3,1fr);
      gap: 2rem; margin-bottom: 3rem;
    }
    .service-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); }
    .service-card:hover { border-color: var(--accent); box-shadow: var(--shadow-xl); transform: translateY(-4px); }
    .service-card .card-body { padding: 2rem; }
    .service-emoji { font-size: 2.5rem; margin-bottom: 1rem; }
    .service-title {
      font-family: 'Playfair Display', serif;
      font-size: 1.2rem; font-weight: 700; margin-bottom: 0.75rem;
    }
    .service-desc { color: var(--muted); line-height: 1.7; margin-bottom: 1.5rem; font-size: 0.95rem; }
    .service-list { list-style: none; margin-bottom: 1.5rem; }
    .service-list li {
      display: flex; align-items: flex-start; gap: 0.5rem;
      font-size: 0.875rem; color: var(--muted); padding: 0.3rem 0;
    }
    .service-list li::before { content: "—"; color: var(--accent); flex-shrink: 0; }
    .services-quote {
      text-align: center;
    }
    .services-quote blockquote {
      display: inline-block;
      background: var(--accent-light);
      border-radius: var(--radius);
      padding: 1.5rem 2rem;
      font-style: italic; font-weight: 600; color: var(--fg);
      max-width: 700px;
    }
    .services-quote cite {
      display: block; font-size: 0.85rem; color: var(--muted); margin-top: 0.5rem; font-style: normal;
    }

    @media (max-width: 1024px) { .services-grid { grid-template-columns: 1fr; max-width: 600px; margin: 0 auto 3rem; } }

    /* ===========================
       METHODOLOGY
    =========================== */
    #methodologie {
      padding: 5rem 0;
      background: var(--bg);
    }
    .method-grid {
      display: grid; grid-template-columns: repeat(3,1fr);
      gap: 1.5rem; max-width: 900px; margin: 0 auto 5rem;
    }
    .method-card { text-align: center; padding: 1.5rem; border: 1px solid var(--border); border-radius: var(--radius); }
    .method-title {
      font-family: 'Playfair Display', serif; font-size: 1.5rem;
      font-weight: 700; color: var(--accent); margin-bottom: 0.5rem;
    }
    .method-desc { font-size: 0.95rem; color: var(--muted); }
    .reasons-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
    .reason-card { display: flex; gap: 1rem; padding: 2rem; border: 1px solid var(--border); border-radius: var(--radius); transition: var(--transition); }
    .reason-card:hover { border-color: var(--accent); }
    .reason-emoji { font-size: 2rem; flex-shrink: 0; }
    .reason-title { font-family: 'Playfair Display', serif; font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
    .reason-desc { font-size: 0.9rem; color: var(--muted); line-height: 1.6; }

    @media (max-width: 768px) {
      .method-grid { grid-template-columns: 1fr; max-width: 400px; }
      .reasons-grid { grid-template-columns: 1fr; }
    }

    /* ===========================
       CLIENTS / RÉSEAUX
    =========================== */
    #reseaux {
      padding: 4rem 0;
      background: var(--section-darker);
      color: var(--section-darker-fg);
    }
    #reseaux .section-header { margin-bottom: 2rem; }
    #reseaux .section-tag { color: var(--accent); font-weight: 600; font-size: 0.95rem; }
    .networks { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
    .network-badge {
      padding: 0.5rem 1.25rem; border: 1px solid rgba(255,255,255,0.2);
      border-radius: 9999px; font-size: 0.9rem; font-weight: 500;
      color: rgba(255,255,255,0.9); transition: var(--transition);
    }
    .network-badge:hover { border-color: var(--accent); color: var(--accent); }

    /* ===========================
       ABOUT
    =========================== */
    #apropos {
      padding: 5rem 0;
      background: var(--bg);
    }
    .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
    .about-title {
      font-size: clamp(1.8rem, 3.5vw, 2.8rem);
      font-weight: 700; margin-bottom: 1.5rem;
    }
    .about-title em { font-style: italic; color: var(--accent); }
    .about-text { color: var(--muted); line-height: 1.8; margin-bottom: 1rem; font-size: 0.97rem; }
    .about-text strong { color: var(--fg); font-weight: 600; }
    .career-list { display: flex; flex-direction: column; gap: 1rem; }
    .career-card {
      padding: 1.25rem 1.5rem; border: 1px solid var(--border);
      border-radius: var(--radius); transition: var(--transition);
    }
    .career-card:hover { border-color: var(--accent); }
    .career-role { font-weight: 600; color: var(--fg); }
    .career-company { font-weight: 600; font-size: 0.9rem; color: var(--accent); }
    .career-period { font-size: 0.85rem; color: var(--muted); }
    .career-highlight { font-size: 0.875rem; margin-top: 0.5rem; }

    @media (max-width: 1024px) { .about-grid { grid-template-columns: 1fr; } }

    /* ===========================
       CONTACT
    =========================== */
    #contact {
      padding: 5rem 0;
      background: var(--section-dark);
    }
    .contact-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; max-width: 900px; margin: 0 auto; }
    .contact-card {
      background: var(--bg); border: 1px solid var(--border);
      border-radius: var(--radius); transition: var(--transition);
      text-align: center; padding: 2rem 1.5rem;
    }
    .contact-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
    .contact-icon {
      width: 56px; height: 56px; background: var(--accent-light);
      border-radius: 50%; display: flex; align-items: center; justify-content: center;
      margin: 0 auto 1rem; color: var(--accent);
    }
    .contact-icon svg { width: 28px; height: 28px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .contact-label { font-weight: 600; color: var(--fg); margin-bottom: 0.5rem; }
    .contact-detail { font-size: 0.875rem; color: var(--muted); }
    .contact-link { display: flex; align-items: center; justify-content: center; gap: 0.4rem; font-size: 0.875rem; color: var(--muted); transition: var(--transition); padding: 0.2rem 0; }
    .contact-link:hover { color: var(--accent); }
    .contact-link svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

    @media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; max-width: 360px; } }

    /* ===========================
       FOOTER
    =========================== */
    footer {
      background: var(--primary); color: var(--primary-fg);
      padding: 3rem 0;
    }
    .footer-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; margin-bottom: 2rem; }
    .footer-brand { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
    .footer-logo-box {
      width: 40px; height: 40px; background: var(--accent); border-radius: var(--radius);
      display: flex; align-items: center; justify-content: center;
      font-family: 'Playfair Display', serif; font-size: 1.4rem; font-weight: 700; color: #fff;
    }
    .footer-brand-name { font-family: 'Playfair Display', serif; font-size: 1.25rem; font-weight: 700; }
    .footer-tagline { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin-bottom: 0.5rem; }
    .footer-sub { color: rgba(255,255,255,0.5); font-size: 0.8rem; }
    .footer-nav h3 { font-family: 'Playfair Display', serif; font-size: 1.1rem; margin-bottom: 1rem; font-weight: 700; }
    .footer-nav ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
    .footer-nav a {
      color: rgba(255,255,255,0.75); font-size: 0.9rem; transition: var(--transition);
    }
    .footer-nav a:hover { color: var(--accent); }
    .footer-contact h3 { font-family: 'Playfair Display', serif; font-size: 1.1rem; margin-bottom: 1rem; font-weight: 700; }
    .footer-contact-links { display: flex; flex-direction: column; gap: 0.75rem; }
    .footer-contact-links a {
      display: flex; align-items: center; gap: 0.5rem;
      color: rgba(255,255,255,0.75); font-size: 0.9rem; transition: var(--transition);
    }
    .footer-contact-links a:hover { color: var(--accent); }
    .footer-contact-links svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.15); padding-top: 2rem;
      display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem;
    }
    .footer-copy { color: rgba(255,255,255,0.5); font-size: 0.8rem; }
    .footer-copy a { color: rgba(255,255,255,0.5); text-decoration: underline; }
    .footer-copy a:hover { color: var(--accent); }
    .footer-quote { color: rgba(255,255,255,0.5); font-size: 0.8rem; font-style: italic; }

    @media (max-width: 768px) {
      .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }

    /* ===== SECTION LABEL ===== */
    .section-tag { color: var(--accent); font-weight: 600; font-size: 0.95rem; display: block; margin-bottom: 0.5rem; }
    /* ===========================
       MENTIONS LÉGALES
    =========================== */
    .mentions-content {
      max-width: 800px;
      margin: 0 auto;
      padding: 8rem 2rem 5rem;
    }
    .mentions-content h1 {
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 2.5rem;
      color: var(--fg);
    }
    .mentions-content section {
      margin-bottom: 2.5rem;
    }
    .mentions-content h2 {
      font-size: 1.4rem;
      font-weight: 600;
      margin-bottom: 0.75rem;
      color: var(--fg);
    }
    .mentions-content p {
      color: var(--muted);
      line-height: 1.8;
      margin-bottom: 0.75rem;
    }
    .mentions-content a {
      color: var(--accent);
      text-decoration: underline;
    }
    .mentions-content a:hover {
      opacity: 0.8;
    }
    .back-link {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      color: var(--accent);
      font-weight: 500;
      margin-bottom: 2rem;
      text-decoration: none;
      font-size: 0.95rem;
    }
    .back-link:hover { opacity: 0.8; }