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

  :root {
    --eu-blue:    #003399;
    --eu-mid:     #0050CC;
    --eu-light:   #1A6AFF;
    --eu-pale:    #EBF1FF;
    --eu-star:    #FFCC00;
    --ink:        #080E1A;
    --ink-mid:    #1C2740;
    --muted:      #6B7A99;
    --line:       rgba(0,51,153,0.12);
    --white:      #FFFFFF;
    --ff-display: 'Syne', sans-serif;
    --ff-body:    'DM Sans', sans-serif;
    --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--ff-body);
    background: var(--white);
    color: var(--ink);
    overflow-x: hidden;
    line-height: 1.6;
  }

  /* ── GRID ── */
  .container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 20px 0;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    animation: fadeDown .6s var(--ease-out) both;
  }
  .nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1200px; margin: 0 auto; padding: 0 40px;
  }
  .logo {
    font-family: var(--ff-display);
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -0.5px;
    color: var(--eu-blue);
    text-decoration: none;
    display: flex; align-items: center; gap: 8px;
  }
  .logo-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--eu-star);
    display: inline-block;
  }
  .logo-bracket {
    color: var(--eu-mid);
    font-size: 18px;
  }
  .nav-links {
    display: flex; gap: 36px; list-style: none;
  }
  .nav-links a {
    font-size: 14px; font-weight: 500; color: var(--muted);
    text-decoration: none; letter-spacing: 0.02em;
    transition: color .2s;
  }
  .nav-links a:hover { color: var(--eu-blue); }
  .nav-cta {
    background: var(--eu-blue);
    color: var(--white) !important;
    padding: 10px 22px;
    border-radius: 6px;
    font-weight: 500 !important;
    transition: background .2s !important;
  }
  .nav-cta:hover { background: var(--eu-mid) !important; color: var(--white) !important; }

  /* ── HERO ── */
  .hero {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }
  .hero-eyebrow {
    font-family: var(--ff-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--eu-mid);
    margin-bottom: 20px;
    display: flex; align-items: center; gap: 10px;
    animation: fadeUp .8s var(--ease-out) .1s both;
  }
  .hero-eyebrow::before {
    content: '';
    width: 32px; height: 1px;
    background: var(--eu-mid);
    display: inline-block;
  }
  h1 {
    font-family: var(--ff-display);
    font-size: clamp(44px, 5vw, 72px);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -2px;
    color: var(--ink);
    margin-bottom: 28px;
    animation: fadeUp .8s var(--ease-out) .2s both;
  }
  h1 em {
    font-style: normal;
    color: var(--eu-blue);
  }
  .hero-sub {
    font-size: 17px;
    font-weight: 300;
    color: var(--muted);
    line-height: 1.7;
    max-width: 460px;
    margin-bottom: 40px;
    animation: fadeUp .8s var(--ease-out) .3s both;
  }
  .hero-actions {
    display: flex; gap: 14px; align-items: center;
    animation: fadeUp .8s var(--ease-out) .4s both;
  }
  .btn-primary {
    background: var(--eu-blue);
    color: var(--white);
    padding: 14px 30px;
    border-radius: 7px;
    font-family: var(--ff-body);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex; align-items: center; gap: 8px;
    transition: background .2s, transform .15s;
  }
  .btn-primary:hover { background: var(--eu-mid); transform: translateY(-1px); }
  .btn-secondary {
    color: var(--eu-blue);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex; align-items: center; gap: 6px;
    transition: gap .2s;
  }
  .btn-secondary:hover { gap: 10px; }
  .btn-arrow { font-size: 18px; }

  /* hero visual */
  .hero-visual {
    position: relative;
    animation: fadeUp .8s var(--ease-out) .25s both;
  }
  .hero-card {
    background: var(--eu-pale);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 36px;
    position: relative;
    overflow: hidden;
  }
  .hero-card::before {
    content: '';
    position: absolute;
    top: -60px; right: -60px;
    width: 220px; height: 220px;
    background: radial-gradient(circle, rgba(0,80,204,0.15) 0%, transparent 70%);
    border-radius: 50%;
  }
  .code-block {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.8;
    color: var(--ink-mid);
  }
  .code-line { display: flex; gap: 12px; }
  .code-num { color: var(--muted); user-select: none; min-width: 20px; }
  .c-blue { color: var(--eu-mid); }
  .c-green { color: #22863a; }
  .c-orange { color: #e36209; }
  .c-star { color: #b8860b; }
  .hero-tags {
    display: flex; gap: 8px; flex-wrap: wrap; margin-top: 24px;
  }
  .tag {
    font-size: 11px; font-weight: 500; letter-spacing: 0.06em;
    padding: 5px 12px; border-radius: 20px;
    background: var(--white);
    border: 1px solid var(--line);
    color: var(--eu-blue);
  }

  /* ── STATS ── */
  .stats {
    padding: 60px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .stats-row {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
  .stat-item {
    padding: 20px 40px;
    border-right: 1px solid var(--line);
    animation: fadeUp .6s var(--ease-out) both;
  }
  .stat-item:first-child { padding-left: 0; }
  .stat-item:last-child { border-right: none; }
  .stat-num {
    font-family: var(--ff-display);
    font-size: 40px;
    font-weight: 800;
    color: var(--eu-blue);
    letter-spacing: -1px;
    line-height: 1;
    margin-bottom: 4px;
  }
  .stat-label {
    font-size: 13px; color: var(--muted); font-weight: 400;
  }

  /* ── SERVICES ── */
  .section { padding: 100px 0; }
  .section-header { margin-bottom: 64px; }
  .section-eyebrow {
    font-size: 12px; font-weight: 500;
    letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--eu-mid);
    margin-bottom: 14px;
    display: flex; align-items: center; gap: 10px;
  }
  .section-eyebrow::before {
    content: ''; width: 24px; height: 1px;
    background: var(--eu-mid); display: inline-block;
  }
  h2 {
    font-family: var(--ff-display);
    font-size: clamp(32px, 3.5vw, 52px);
    font-weight: 800;
    letter-spacing: -1.5px;
    color: var(--ink);
    line-height: 1.05;
  }
  h2 em { font-style: normal; color: var(--eu-blue); }

  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
  }
  .service-card {
    background: var(--white);
    padding: 40px 36px;
    transition: background .2s;
    cursor: default;
  }
  .service-card:hover { background: var(--eu-pale); }
  .service-icon {
    width: 44px; height: 44px;
    background: var(--eu-pale);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
    transition: background .2s;
  }
  .service-card:hover .service-icon { background: rgba(0,51,153,0.15); }
  .service-icon svg { width: 22px; height: 22px; stroke: var(--eu-blue); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
  .service-title {
    font-family: var(--ff-display);
    font-size: 19px; font-weight: 700;
    color: var(--ink);
    margin-bottom: 10px;
    letter-spacing: -0.3px;
  }
  .service-desc {
    font-size: 14px; color: var(--muted);
    line-height: 1.6; font-weight: 300;
  }

  /* ── PROCESS ── */
  .process-section { background: var(--ink); padding: 100px 0; }
  .process-section h2 { color: var(--white); }
  .process-section .section-eyebrow { color: var(--eu-star); }
  .process-section .section-eyebrow::before { background: var(--eu-star); }
  .process-steps {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 2px; margin-top: 64px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px; overflow: hidden;
  }
  .step {
    padding: 40px 32px;
    background: var(--ink);
    transition: background .2s;
  }
  .step:hover { background: var(--ink-mid); }
  .step-num {
    font-family: var(--ff-display);
    font-size: 48px; font-weight: 800;
    color: rgba(0,80,204,0.35);
    line-height: 1; margin-bottom: 20px;
    letter-spacing: -2px;
  }
  .step-title {
    font-family: var(--ff-display);
    font-size: 17px; font-weight: 700;
    color: var(--white); margin-bottom: 10px;
  }
  .step-desc { font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.6; font-weight: 300; }

  /* ── APP CONTAINER (pages annexes) ── */
  .app-container {
    padding: 120px 40px 80px;
    max-width: 920px;
    margin: 0 auto;
    color: var(--ink);
  }
  .app-container h1 {
    font-family: var(--ff-display);
    font-size: clamp(28px, 4.2vw, 40px);
    font-weight: 800;
    margin-bottom: 18px;
    color: var(--ink);
  }
  .app-container h2 {
    font-family: var(--ff-display);
    font-size: clamp(20px, 2.4vw, 28px);
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--ink);
    line-height: 1.15;
  }
  .app-container p,
  .app-container li {
    font-size: 15px;
    color: var(--muted);
    line-height: 1.8;
    font-weight: 300;
    margin-bottom: 12px;
  }
  .app-container ul { margin-left: 18px; margin-bottom: 12px; }
  /* évite que le titre soit caché par la nav fixe lors d'ancres */
  .app-container h1, .app-container h2 { scroll-margin-top: 110px; }

  /* ── ABOUT ── */
  .about-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 100px; align-items: center;
  }
  .about-visual {
    position: relative;
  }
  .about-emblem {
    width: 100%; aspect-ratio: 1;
    max-width: 440px;
    border-radius: 50%;
    background: var(--eu-pale);
    border: 1px solid var(--line);
    display: flex; align-items: center; justify-content: center;
    position: relative;
    overflow: hidden;
  }
  .eu-stars {
    position: absolute; inset: 0;
  }
  .about-monogram {
    font-family: var(--ff-display);
    font-size: 120px; font-weight: 800;
    color: var(--eu-blue);
    opacity: 0.08;
    letter-spacing: -6px;
    user-select: none;
  }
  .about-badge {
    position: absolute; bottom: 32px; right: 0;
    background: var(--eu-blue);
    color: var(--white);
    padding: 14px 24px;
    border-radius: 50px;
    font-size: 13px; font-weight: 500;
    display: flex; align-items: center; gap: 8px;
  }
  .badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--eu-star); }
  .about-text h2 { margin-bottom: 24px; }
  .about-text p {
    font-size: 16px; color: var(--muted);
    line-height: 1.75; font-weight: 300;
    margin-bottom: 20px;
  }
  .about-text p strong { color: var(--ink); font-weight: 500; }
  .pillars { display: flex; flex-direction: column; gap: 14px; margin-top: 32px; }
  .pillar {
    display: flex; align-items: center; gap: 14px;
    font-size: 14px; font-weight: 500; color: var(--ink);
  }
  .pillar-line { width: 3px; height: 28px; background: var(--eu-blue); border-radius: 2px; flex-shrink: 0; }

  /* ── CTA ── */
  .cta-section {
    background: var(--eu-blue);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: 'SE';
    position: absolute;
    font-family: var(--ff-display);
    font-size: 300px; font-weight: 800;
    color: rgba(255,255,255,0.04);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    letter-spacing: -12px;
    pointer-events: none;
    user-select: none;
  }
  .cta-eyebrow { color: rgba(255,255,255,0.5); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 500; margin-bottom: 18px; }
  .cta-title {
    font-family: var(--ff-display);
    font-size: clamp(36px, 4vw, 60px);
    font-weight: 800; letter-spacing: -2px;
    color: var(--white); line-height: 1.05;
    margin-bottom: 16px;
  }
  .cta-sub { font-size: 17px; color: rgba(255,255,255,0.6); font-weight: 300; margin-bottom: 40px; }
  .btn-white {
    background: var(--white); color: var(--eu-blue);
    padding: 16px 36px; border-radius: 8px;
    font-size: 16px; font-weight: 500;
    text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
    transition: transform .15s, box-shadow .15s;
  }
  .btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }

  /* ── FOOTER ── */
  footer {
    background: var(--ink-mid);
    padding: 60px 0 40px;
  }
  .footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px; margin-bottom: 48px;
  }
  .footer-brand .logo { color: var(--white); margin-bottom: 14px; display: block; }
  .footer-brand p { font-size: 13px; color: rgba(255,255,255,0.35); line-height: 1.6; font-weight: 300; max-width: 240px; }
  .footer-col h4 {
    font-family: var(--ff-display); font-size: 13px; font-weight: 700;
    color: var(--white); letter-spacing: 0.06em; text-transform: uppercase;
    margin-bottom: 18px;
  }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
  .footer-col a { font-size: 13px; color: rgba(255,255,255,0.4); text-decoration: none; transition: color .2s; }
  .footer-col a:hover { color: rgba(255,255,255,0.8); }
  .footer-bottom {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,0.07);
  }
  .footer-copy { font-size: 12px; color: rgba(255,255,255,0.25); }
  .footer-star {
    color: var(--eu-star); font-size: 16px; letter-spacing: 4px;
  }

  /* ── ANIMATIONS ── */
  @keyframes fadeDown {
    from { opacity: 0; transform: translateY(-16px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    .hero-grid, .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { display: none; }
    .services-grid { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr 1fr; }
    .stats-row { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
    .container { padding: 0 24px; }
    .nav-links { display: none; }
  }
  @media (max-width: 600px) {
    .stats-row { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero { padding: 120px 0 60px; }
  }