:root {
  --blanc: #ffffff;
  --gris-clair: #f4f5f7;
  --gris: #6b7280;
  --bleu-fonce: #10233d;
  --bleu-fonce-2: #16324f;
  --accent: #c07f3a;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Work Sans', Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--bleu-fonce);
  background: var(--blanc);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* HEADER */
header.site-header {
  background: var(--blanc);
  border-bottom: 1px solid #e6e8ec;
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--bleu-fonce);
  letter-spacing: 0.5px;
}

.logo span { color: var(--accent); }

nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
}

nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--bleu-fonce-2);
  position: relative;
  padding-bottom: 4px;
}

nav a.active,
nav a:hover {
  color: var(--accent);
}

nav a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
}

.btn-devis {
  background: var(--bleu-fonce);
  color: var(--blanc) !important;
  padding: 10px 22px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s ease;
}

.btn-devis:hover {
  background: var(--accent);
}

/* HERO */
.hero {
  background: linear-gradient(160deg, var(--bleu-fonce) 0%, var(--bleu-fonce-2) 100%);
  color: var(--blanc);
  padding: 90px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50%;
}

.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 18px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 2.9rem;
  font-weight: 600;
  max-width: 640px;
  margin: 0 0 20px;
  line-height: 1.15;
}

.hero p.lead {
  max-width: 540px;
  font-size: 1.1rem;
  color: #d7dee6;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  background: var(--accent);
  color: var(--blanc);
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 600;
  display: inline-block;
}

.btn-secondary {
  border: 1px solid rgba(255,255,255,0.4);
  color: var(--blanc);
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 600;
  display: inline-block;
}

.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary:hover { background: #a8692c; }

/* SECTIONS */
section { padding: 80px 0; }
section.alt { background: var(--gris-clair); }

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
  display: block;
}

h2.section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  margin: 0 0 16px;
  color: var(--bleu-fonce);
}

.section-intro {
  max-width: 620px;
  color: var(--gris);
  margin-bottom: 46px;
}

/* SERVICES GRID */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--blanc);
  border: 1px solid #e6e8ec;
  border-radius: 6px;
  padding: 30px 26px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.service-card .num {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 14px;
  display: block;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 10px;
  color: var(--bleu-fonce);
}

.service-card p {
  color: var(--gris);
  font-size: 0.95rem;
  margin: 0;
}

/* ZONE / TRUST STRIP */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #e6e8ec;
  border-bottom: 1px solid #e6e8ec;
  padding: 32px 0;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--bleu-fonce-2);
  font-weight: 500;
}

.trust-item .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* CTA BAND */
.cta-band {
  background: var(--bleu-fonce);
  color: var(--blanc);
  text-align: center;
  padding: 64px 0;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin: 0 0 12px;
}

.cta-band p { color: #d7dee6; margin-bottom: 28px; }

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info-block {
  border-left: 3px solid var(--accent);
  padding-left: 22px;
  margin-bottom: 26px;
}

.contact-info-block h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 6px;
}

.contact-info-block p, .contact-info-block a { color: var(--gris); font-size: 0.98rem; }

form.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  display: block;
  color: var(--bleu-fonce-2);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d8dce2;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--blanc);
}

.contact-form textarea { min-height: 130px; resize: vertical; }

.contact-form button {
  align-self: flex-start;
  background: var(--accent);
  color: var(--blanc);
  border: none;
  padding: 14px 30px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}

.contact-form button:hover { background: #a8692c; }

/* FOOTER */
footer {
  background: var(--bleu-fonce);
  color: #b9c3ce;
  padding: 44px 0 30px;
  font-size: 0.9rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-grid .logo { color: var(--blanc); }

footer .bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: #7d8a99;
}

@media (max-width: 760px) {
  nav ul { display: none; }
  .hero h1 { font-size: 2.2rem; }
  .contact-grid { grid-template-columns: 1fr; }
}