/* ---------- Design tokens ---------- */
:root {
  --navy: #0D1B3E;
  --navy-light: #16255c;
  --gold: #C9A84C;
  --gold-light: #e0c377;
  --cream: #F7F5F0;
  --ink: #1B1D22;
  --ink-soft: #565b66;
  --white: #FFFFFF;
  --border: #E7E3D8;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width: 1120px;
  --radius: 14px;
  --transition: 200ms ease;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin: 0 0 .5em;
  color: var(--navy);
}
p { margin: 0 0 1em; color: var(--ink-soft); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: var(--white);
  padding: 12px 20px;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--gold);
  color: var(--navy);
}
.btn-primary:hover { background: var(--gold-light); }
.btn-ghost {
  background: transparent;
  border-color: var(--navy);
  color: var(--navy);
}
.section-dark .btn-ghost { border-color: var(--white); color: var(--white); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}
.brand-mark { border-radius: 8px; }
.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy);
}
.brand-name-light { font-weight: 400; color: var(--ink-soft); }

.main-nav ul { display: flex; gap: 28px; }
.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}
.main-nav a:hover::after { width: 100%; }

.btn-header { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--navy);
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(circle at 85% 15%, rgba(201,168,76,0.18), transparent 55%),
    var(--navy);
  color: var(--white);
  padding: 120px 0 100px;
}
.hero-inner { max-width: 760px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 14px;
}
.hero h1 {
  color: var(--white);
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  margin-bottom: 24px;
}
.hero .accent { color: var(--gold); }
.hero-lead {
  color: rgba(255,255,255,0.82);
  font-size: 1.15rem;
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero .btn-ghost { border-color: rgba(255,255,255,0.5); color: var(--white); }
.hero .btn-ghost:hover { border-color: var(--white); }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-dark {
  background: var(--navy);
  color: var(--white);
}
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark p { color: rgba(255,255,255,0.75); }
.section-lead {
  max-width: 620px;
  font-size: 1.1rem;
  margin-bottom: 48px;
}
.section h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }

/* ---------- Cards (services) ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(13,27,62,0.08);
}
.card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--navy);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { margin: 0; font-size: 0.96rem; }
.badge {
  display: inline-block;
  background: var(--gold);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 999px;
  vertical-align: middle;
  margin-left: 6px;
}

/* ---------- Steps (méthode) ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  margin-top: 48px;
}
.step-number {
  font-family: var(--font-heading);
  font-size: 5rem;
  color: var(--gold);
  display: block;
  text-align: center;
  margin-bottom: 12px;
}
.step h3 { font-size: 1.1rem; text-align: center; }
.step p { text-align: center; }

/* ---------- About ---------- */
.about-inner { max-width: 720px; }

/* ---------- Contact ---------- */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-details { margin-top: 32px; display: flex; flex-direction: column; gap: 16px; }
.contact-details li { display: flex; flex-direction: column; gap: 2px; }
.contact-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  font-weight: 700;
}
.contact-details a { font-size: 1.05rem; font-weight: 600; }
.contact-details a:hover { color: var(--gold); }

.contact-form {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius);
}
.form-row { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }
.form-row label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
}
.optional { font-weight: 400; color: var(--ink-soft); }
.form-row input,
.form-row textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--cream);
  color: var(--ink);
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
}
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  opacity: 0;
}
.form-status {
  margin: 14px 0 0;
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 1.2em;
}
.form-status[data-state="success"] { color: #2f6f3e; }
.form-status[data-state="error"] { color: #b3413a; }

/* ---------- Footer ---------- */
.site-footer {
  background: #0a1530;
  color: rgba(255,255,255,0.7);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  color: var(--white);
  font-weight: 700;
}
.footer-brand img { border-radius: 6px; }
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-nav a:hover { color: var(--gold); }
.footer-legal { width: 100%; font-size: 0.8rem; margin: 0; color: rgba(255,255,255,0.5); }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: 70px;
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .main-nav.is-open { max-height: 320px; }
  .main-nav ul {
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 18px;
  }
  .btn-header { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 96px 0 72px; }
  .section { padding: 72px 0; }
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }