/* AZ-TP31 — direction "Argile & Chantier" : anthracite + terracotta, strates de terrain */

:root {
  --ink: #211F1C;
  --clay: #B84213;
  --clay-dark: #8F3410;
  --sand: #F3EDE3;
  --paper: #FBF8F3;
  --stone: #6B6259;
  --line: #E3D9C8;
  --font-display: 'Fraunces', Georgia, serif;
  --font-sans: 'Work Sans', Arial, sans-serif;

  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 28px;
  --sp-7: 40px;
  --sp-8: 56px;

  --header-h: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--sand);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 var(--sp-5); }

section[id] { scroll-margin-top: calc(var(--header-h) + 8px); }

.eyebrow {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: var(--sp-2);
}
.eyebrow-light { color: #E8A57C; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; }
h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: var(--sp-4); }
h3 { font-size: 18px; margin-bottom: var(--sp-2); }
p { color: var(--stone); }

.stars { color: var(--clay); letter-spacing: 1px; font-size: 14px; }

/* reveal (gated by .js so no-JS visitors always see content) */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { transition: none; opacity: 1; transform: none; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 8px;
  font-weight: 600; font-size: 14px;
  white-space: nowrap; border: 1.5px solid transparent;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary { background: var(--clay); color: #fff; }
.btn-primary:hover { background: var(--clay-dark); }
.btn-outline { border-color: var(--paper); color: var(--paper); }
.btn-outline:hover { background: rgba(255,255,255,.1); }
.btn-ghost { color: var(--ink); font-weight: 600; }
.btn-ghost:hover { color: var(--clay); }
.btn-lg { padding: 13px 24px; font-size: 15px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,248,243,.92); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  height: var(--header-h);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: var(--sp-4); }
.brand-logo { height: 36px; width: auto; }
.main-nav { display: flex; gap: var(--sp-5); }
.main-nav a { font-size: 14px; font-weight: 600; white-space: nowrap; }
.main-nav a:hover { color: var(--clay); }
.header-cta { display: flex; gap: var(--sp-3); align-items: center; }
.burger { display: none; flex-direction: column; justify-content: center; gap: 4px; width: 32px; height: 32px; background: none; border: none; cursor: pointer; }
.burger span { display: block; width: 22px; height: 2px; background: var(--ink); }

/* Hero — impactant mais court */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(33,31,28,.94) 30%, rgba(33,31,28,.72) 62%, rgba(33,31,28,.4) 100%);
}
.hero-inner { position: relative; z-index: 1; padding: var(--sp-8) 0 var(--sp-7); max-width: 640px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25);
  padding: 6px 12px; border-radius: 20px; font-size: 13px; font-weight: 600;
  margin-bottom: var(--sp-4);
}
.hero h1 { font-size: clamp(28px, 4.2vw, 42px); margin-bottom: var(--sp-3); }
.hero-sub { color: #E7E0D5; font-size: 16px; max-width: 480px; margin-bottom: var(--sp-5); }
.hero-ctas { display: flex; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-5); }
.hero-flags { display: flex; gap: var(--sp-4); flex-wrap: wrap; list-style: none; font-size: 13px; color: #CFC6B8; }
.hero-flags li { position: relative; padding-left: 14px; }
.hero-flags li::before { content: ''; position: absolute; left: 0; top: 6px; width: 5px; height: 5px; border-radius: 50%; background: var(--clay); }

/* Sections — rythme compact */
.section { padding: var(--sp-7) 0; }
.section + .section { border-top: 1px solid var(--line); }

/* Qui sommes-nous */
.apropos-grid { max-width: 720px; }
.apropos-grid h2 { margin-bottom: var(--sp-3); }
.apropos-grid p { font-size: 15px; }

/* Métiers */
.metiers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); margin-top: var(--sp-5); }
.metier-card { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: var(--sp-5); }
.metier-icon { width: 34px; height: 34px; color: var(--clay); margin-bottom: var(--sp-3); }
.metier-card h3 { margin-bottom: var(--sp-2); }
.metier-card p { font-size: 14px; }

/* Pourquoi nous */
.pourquoi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); margin-top: var(--sp-4); }
.pourquoi-item { border-left: 3px solid var(--clay); padding-left: var(--sp-4); }
.pourquoi-item h3 { font-size: 16px; }
.pourquoi-item p { font-size: 13.5px; }

/* Avis */
.avis { background: var(--paper); }
.avis-head { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-3); margin-bottom: var(--sp-5); }
.avis-head h2 { margin: 0; display: flex; align-items: center; gap: var(--sp-2); }
.link-arrow { font-weight: 600; font-size: 14px; color: var(--clay); }
.link-arrow:hover { color: var(--clay-dark); }
.avis-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
.avis-card { background: var(--sand); border: 1px solid var(--line); border-radius: 12px; padding: var(--sp-4) var(--sp-5); }
.avis-card p { color: var(--ink); font-size: 14px; margin: var(--sp-2) 0 var(--sp-3); font-style: italic; }
.avis-card cite { font-style: normal; font-weight: 700; font-size: 13px; }
.avis-card cite span { font-weight: 400; color: var(--stone); }

/* Réalisations — masonry compact */
.galerie-grid { columns: 3 220px; column-gap: var(--sp-4); margin-top: var(--sp-4); }
.galerie-grid figure { break-inside: avoid; margin-bottom: var(--sp-4); position: relative; border-radius: 10px; overflow: hidden; }
.galerie-grid img { width: 100%; height: auto; display: block; }
.galerie-grid figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(0deg, rgba(33,31,28,.85), transparent);
  color: #fff; font-size: 12.5px; font-weight: 600; padding: 20px var(--sp-3) var(--sp-2);
}

/* Déroulement */
.etapes { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); margin-top: var(--sp-4); }
.etape-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--clay); color: #fff; font-weight: 700; font-size: 14px;
  margin-bottom: var(--sp-3);
}
.etapes h3 { font-size: 15px; margin-bottom: 4px; }
.etapes p { font-size: 13px; }

/* Contact */
.contact { background: var(--ink); color: var(--paper); }
.contact .eyebrow { color: var(--clay); }
.contact h2 { color: #fff; }
.contact-lead { color: #C9C0B2; font-size: 14px; margin-bottom: var(--sp-4); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-7); align-items: start; }
.contact-line { display: block; font-weight: 600; font-size: 15px; margin-bottom: var(--sp-2); color: #fff; }
.contact-line:hover { color: var(--clay); }
.contact-addr { color: #C9C0B2; font-weight: 400; font-size: 13.5px; }
.contact-form { display: flex; flex-direction: column; gap: var(--sp-3); background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; padding: var(--sp-5); }
.contact-form label { font-size: 12.5px; font-weight: 600; color: #C9C0B2; display: flex; flex-direction: column; gap: 4px; }
.contact-form input, .contact-form textarea {
  font-family: var(--font-sans); font-size: 14px; color: var(--ink);
  background: var(--paper); border: 1px solid transparent; border-radius: 6px;
  padding: 8px 10px; resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--clay); }
.contact-form .btn { margin-top: 2px; align-self: flex-start; }

/* Footer */
.site-footer { background: var(--ink); color: #B9AF9F; border-top: 1px solid rgba(255,255,255,.08); }
.footer-inner { display: flex; align-items: center; gap: var(--sp-4); padding: var(--sp-5) var(--sp-5); flex-wrap: wrap; }
.footer-logo { width: 36px; height: 36px; }
.footer-coords { font-size: 13px; flex: 1; min-width: 220px; }
.footer-coords a:hover { color: var(--clay); }
.footer-links a { font-size: 13px; font-weight: 600; }
.footer-links a:hover { color: var(--clay); }
.footer-credit { font-size: 12px; color: #8C8375; width: 100%; text-align: right; margin-top: var(--sp-2); }
.footer-credit a { font-weight: 600; color: #B9AF9F; }
.footer-credit a:hover { color: var(--clay); }

/* Legal page */
.legal-content { max-width: 680px; padding-top: var(--sp-3); }
.legal-content h1 { margin-bottom: var(--sp-4); }
.legal-content h2 { font-size: 17px; margin-top: var(--sp-5); margin-bottom: var(--sp-2); }
.legal-content p { font-size: 14px; margin-bottom: var(--sp-2); }

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed; right: var(--sp-4); bottom: var(--sp-4); z-index: 60;
  width: 52px; height: 52px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
}
.whatsapp-float svg { width: 28px; height: 28px; }

/* Responsive */
@media (max-width: 980px) {
  .metiers-grid { grid-template-columns: 1fr 1fr; }
  .pourquoi-grid { grid-template-columns: 1fr 1fr; }
  .avis-grid { grid-template-columns: 1fr; }
  .galerie-grid { columns: 2 200px; }
}

@media (max-width: 760px) {
  .main-nav, .header-cta { display: none; }
  .burger { display: flex; }
  .site-header.open .main-nav {
    display: flex; flex-direction: column; position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--paper); padding: var(--sp-4) var(--sp-5); gap: var(--sp-3); border-bottom: 1px solid var(--line);
  }
  .site-header.open .header-cta {
    display: flex; position: absolute; top: calc(var(--header-h) + 168px); left: 0; right: 0;
    background: var(--paper); padding: 0 var(--sp-5) var(--sp-4); gap: var(--sp-3); border-bottom: 1px solid var(--line);
  }
  .hero-inner { padding: var(--sp-7) 0 var(--sp-6); max-width: 100%; }
  .hero h1 { font-size: 28px; }
  .section { padding: var(--sp-6) 0; }
  .metiers-grid { grid-template-columns: 1fr; }
  .pourquoi-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
  .etapes { grid-template-columns: 1fr 1fr; }
  .galerie-grid { columns: 2 160px; }
  .contact-grid { grid-template-columns: 1fr; gap: var(--sp-5); }
  .footer-credit { text-align: left; }
}

@media (max-width: 420px) {
  .pourquoi-grid, .etapes { grid-template-columns: 1fr 1fr; }
  .hero-flags { gap: var(--sp-3); }
}