:root {
  --bg: #ffffff;
  --card: #ffffff;
  --primary: #2563eb;
  --accent: #38bdf8;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --shadow: 0 18px 40px rgba(15,23,42,.12);
  --success: #16a34a;
  --error: #ef4444;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; scroll-behavior: smooth; }
body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fafc, #fff);
  line-height: 1.6;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; height: 72px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; }
.logo { width: 34px; height: 34px; }
.menu { display: flex; gap: 18px; list-style: none; padding: 0; margin: 0; }
.menu a { color: var(--text); text-decoration: none; padding: 10px; border-radius: 8px; font-weight: 600; }
.menu a:hover { color: var(--primary); background: rgba(37,99,235,.08); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; border-radius: 2px; }

/* Buttons */
.btn-primary, .btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px; border-radius: 10px; text-decoration: none;
  font-weight: 700; letter-spacing: .2px; cursor: pointer;
}
.btn-primary { background: linear-gradient(180deg, var(--accent), var(--primary)); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { filter: brightness(1.06); transform: translateY(-1px); transition: .2s; }
.btn-outline { color: var(--primary); border: 1px solid var(--border); background: #fff; }
.btn-outline:hover { background: rgba(37,99,235,.08); border-color: #cbd5e1; }
.btn-outline.small { padding: 10px 14px; font-weight: 600; }

/* Hero */
.hero { position: relative; padding: 80px 0; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.92)); }
.hero-content { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero h1 { font-family: Poppins, Inter, sans-serif; font-size: 2.8rem; line-height: 1.1; margin: 0 0 12px; }
.hero p { color: var(--muted); font-size: 1.08rem; }
.cta-group { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.hero-highlights { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 6px; color: var(--muted); }

.hero-card { position: relative; }
.hero-side {
  width: 100%; border-radius: 16px; box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.floating {
  position: absolute; bottom: 14px; left: 14px;
  padding: 10px 12px; border-radius: 12px;
  background: rgba(255,255,255,.92); border: 1px solid var(--border);
  box-shadow: 0 8px 20px rgba(2,6,23,.08);
}
.floating-title { margin: 0; font-weight: 800; }
.floating-sub { margin: 4px 0 0; color: var(--muted); font-weight: 600; }

/* Services */
.services { padding: 60px 0; }
.services h2 { font-size: 2rem; margin: 0 0 8px; text-align: center; }
.section-sub { color: var(--muted); margin: 0 auto 24px; text-align: center; max-width: 740px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 8px 24px rgba(2,6,23,.06);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card img { width: 100%; height: 160px; object-fit: cover; }
.card-body { padding: 16px; }
.card h3 { margin: 6px 0 6px; }
.card p { color: var(--muted); margin: 0 0 10px; }
.pill-list { display: flex; gap: 8px; flex-wrap: wrap; list-style: none; padding: 0; margin: 10px 0 0; }
.pill-list li { padding: 6px 10px; border-radius: 999px; background: #f1f5f9; border: 1px solid var(--border); color: var(--muted); font-size: .9rem; }
.price { margin-top: 12px; font-weight: 800; color: var(--primary); }

/* Pourquoi nous + stats */
.about { padding: 60px 0; }
.two-col { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
.about-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 20px; box-shadow: 0 8px 24px rgba(2,6,23,.06); }
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.feature-list li { display: grid; grid-template-columns: 44px 1fr; gap: 12px; padding: 12px; border-radius: 12px; background: #f8fafc; border: 1px solid var(--border); }
.feat-icon { width: 44px; height: 44px; display: grid; place-items: center; background: rgba(37,99,235,.1); color: var(--primary); border-radius: 12px; font-size: 1.2rem; }

.about-aside { display: grid; gap: 14px; }
.stat { display: grid; grid-template-columns: auto auto 1fr; align-items: baseline; gap: 8px; padding: 16px; border-radius: 14px; background: #f1f5f9; border: 1px solid var(--border); }
.stat-number { font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.stat-suffix { font-weight: 800; color: var(--primary); }
.stat-label { color: var(--muted); margin: 0; }

/* Contact */
.contact { padding: 60px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.contact-points { list-style: none; padding: 0; margin: 16px 0 18px; display: grid; gap: 6px; color: var(--muted); }
.contact-form { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 18px; box-shadow: 0 8px 24px rgba(2,6,23,.06); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-field { display: grid; gap: 6px; }
label { font-weight: 600; }
input, textarea, select {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid #cbd5e1;
  background: #fff; color: var(--text);
}
input::placeholder, textarea::placeholder { color: var(--muted); }
.error { display: none; color: var(--error); font-size: .85rem; }
.form-success { display: none; margin-top: 10px; color: var(--success); font-weight: 700; }
.contact-form button { margin-top: 6px; width: 100%; }

/* Footer */
.site-footer { padding: 40px 0 10px; background: #f8fafc; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 16px; }
.foot-note { color: var(--muted); }
.foot-links, .social { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 8px; }
.legal { display: flex; gap: 12px; align-items: center; justify-content: center; border-top: 1px solid var(--border); margin-top: 18px; padding-top: 12px; }
.legal-link { color: var(--muted); text-decoration: none; }
.legal-link:hover { color: var(--primary); }

/* Animations */
[data-animate] { opacity: 0; transform: translateY(16px); }
.fade-in { animation: fadeIn .6s ease forwards; }
@keyframes fadeIn { to { opacity: 1; transform: none; } }

/* Responsive */
@media (max-width: 980px) {
  .hero-content { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .menu { display: none; position: absolute; right: 16px; top: 72px; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 10px; flex-direction: column; box-shadow: var(--shadow); }
  .menu-toggle { display: inline-block; }
  .cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}