/* ===== Mon Tonneau — charte graphique ===== */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,500;0,9..144,600;0,9..144,700;0,9..144,900;1,9..144,500;1,9..144,600&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

:root{
  --bg: #FBF3E7;
  --bg-warm: #F2E2CB;
  --bg-deep: #EAD5B4;
  --ink: #3A2A1A;
  --ink-soft: #7A6650;
  --wood: #A5652B;
  --wood-dark: #6B3D18;
  --metal: #7C8590;
  --accent: #D9642A;
  --accent-deep: #B8481B;
  --line: #E5CFAE;
  --line-strong: #D3B588;
  --white: #FFFDF9;

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:
    radial-gradient(ellipse 900px 500px at 8% -5%, rgba(217,100,42,0.09), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 10%, rgba(165,101,43,0.10), transparent 55%),
    var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
}
img,svg{ max-width:100%; display:block; }
a{ color:inherit; }
h1,h2,h3{ font-family:var(--font-display); margin:0; }
p{ margin:0; line-height:1.6; }
button{ font-family:var(--font-body); cursor:pointer; }
:focus-visible{ outline:2px solid var(--wood-dark); outline-offset:3px; }

.wrap{ max-width:1160px; margin:0 auto; padding:0 28px; }

/* ---------- stave rule : dispositif structurel recurrent ---------- */
.stave-rule{
  display:flex; align-items:center; gap:6px; width:100%;
  margin:0; padding:0;
}
.stave-rule span{ flex:1; height:2px; background:var(--line-strong); }
.stave-rule .rivet{
  flex:none; width:6px; height:6px; border-radius:50%; background:var(--wood);
}

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(251,243,231,0.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header .inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 28px; max-width:1160px; margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--ink); }
.brand svg{ width:38px; height:38px; }
.brand .word{ font-family:var(--font-body); letter-spacing:1px; }
.brand .word b{ font-weight:700; }
.brand .word span{ font-weight:300; }

nav.main-nav{ display:flex; gap:30px; align-items:center; }
nav.main-nav a{
  text-decoration:none; font-size:14.5px; font-weight:500; color:var(--ink-soft);
  letter-spacing:.2px; position:relative; padding:4px 0;
}
nav.main-nav a.active, nav.main-nav a:hover{ color:var(--ink); }
nav.main-nav a.active::after{
  content:''; position:absolute; left:0; right:0; bottom:-4px; height:2px; background:var(--wood);
}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 26px; border-radius:30px; border:1.5px solid var(--ink);
  background:var(--ink); color:var(--bg); font-weight:600; font-size:14.5px;
  text-decoration:none; transition:all .18s ease;
}
.btn:hover{ background:transparent; color:var(--ink); transform:translateY(-1px); }
.btn.outline{ background:transparent; color:var(--ink); }
.btn.outline:hover{ background:var(--ink); color:var(--bg); }
.btn.accent{
  border-color:var(--accent); background:linear-gradient(155deg,var(--accent),var(--accent-deep)); color:#fff;
  box-shadow:0 8px 20px -8px rgba(184,72,27,0.55);
}
.btn.accent:hover{ background:transparent; color:var(--accent-deep); box-shadow:none; }

/* ---------- hero ---------- */
.hero{ padding:88px 0 60px; }
.hero .grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:60px; align-items:center; }
.eyebrow{
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:2.5px;
  color:var(--wood-dark); text-transform:uppercase; margin-bottom:18px; display:block;
}
.hero h1{
  font-size:clamp(38px,5vw,60px); line-height:1.05; font-weight:600; letter-spacing:-.5px;
}
.hero h1 em{ font-style:italic; font-weight:500; color:var(--accent-deep); }
.hero p.lead{ margin-top:22px; font-size:18px; color:var(--ink-soft); max-width:46ch; }
.hero .ctas{ margin-top:34px; display:flex; gap:14px; flex-wrap:wrap; }
.hero-visual{ position:relative; }

/* ---------- sections ---------- */
section{ padding:70px 0; }
.section-head{ max-width:640px; margin-bottom:46px; }
.section-head .eyebrow{ margin-bottom:14px; }
.section-head h2{ font-size:clamp(28px,3.4vw,40px); font-weight:600; letter-spacing:-.3px; }
.section-head p{ margin-top:14px; color:var(--ink-soft); font-size:16.5px; }

.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:34px; }
.step{ border-top:2px solid var(--wood); padding-top:20px; }
.step .num{ font-family:var(--font-mono); font-size:13px; color:var(--ink-soft); }
.step h3{ font-size:21px; margin-top:10px; font-weight:600; }
.step p{ margin-top:10px; color:var(--ink-soft); font-size:15px; }

.type-cards{ display:grid; grid-template-columns:1fr 1fr; gap:26px; }
.type-card{
  border:1px solid var(--line); border-radius:18px; padding:36px;
  background:var(--white);
  box-shadow:0 14px 34px -18px rgba(107,61,24,0.25);
  transition:box-shadow .18s ease, transform .18s ease;
}
.type-card:hover{ box-shadow:0 20px 40px -16px rgba(107,61,24,0.35); transform:translateY(-4px); }
.type-card .icon{ width:56px; height:56px; margin-bottom:18px; }
.type-card h3{ font-size:23px; font-weight:600; }
.type-card p{ margin-top:10px; color:var(--ink-soft); font-size:15px; }
.type-card .from{ margin-top:18px; font-family:var(--font-mono); font-size:13px; color:var(--wood-dark); }

.gallery-preview{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.gcard{ border-radius:16px; overflow:hidden; border:1px solid var(--line); aspect-ratio:1; box-shadow:0 12px 26px -14px rgba(107,61,24,0.3); }

footer.site-footer{ border-top:1px solid var(--line); padding:50px 0 34px; margin-top:40px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; }
.footer-grid h4{ font-family:var(--font-body); font-size:13px; letter-spacing:1.5px; text-transform:uppercase; color:var(--ink-soft); margin-bottom:16px; }
.footer-grid a{ display:block; text-decoration:none; color:var(--ink); font-size:14.5px; margin-bottom:10px; }
.footer-grid a:hover{ color:var(--wood-dark); }
.foot-bottom{ margin-top:44px; padding-top:22px; border-top:1px solid var(--line); display:flex; justify-content:space-between; font-size:13px; color:var(--ink-soft); flex-wrap:wrap; gap:10px; }

/* ---------- simulateur ---------- */
.sim-layout{ display:grid; grid-template-columns:.95fr 1.05fr; gap:50px; align-items:start; }
.sim-preview{
  position:sticky; top:110px;
  background:linear-gradient(165deg,var(--bg-warm),var(--bg-deep));
  border:1px solid var(--line); border-radius:22px;
  padding:44px; text-align:center;
  box-shadow:0 18px 40px -20px rgba(107,61,24,0.35);
}
.sim-preview .price{ margin-top:22px; }
.sim-preview .price .amount{ font-family:var(--font-mono); font-size:34px; font-weight:600; color:var(--wood-dark); }
.sim-preview .price .label{ font-size:12.5px; color:var(--ink-soft); letter-spacing:1px; text-transform:uppercase; margin-bottom:4px; display:block; }
.sim-preview .recap{ margin-top:22px; text-align:left; border-top:1px solid var(--line); padding-top:18px; }
.sim-preview .recap div{ display:flex; justify-content:space-between; font-size:13.5px; padding:5px 0; color:var(--ink-soft); }
.sim-preview .recap div b{ color:var(--ink); font-weight:500; }

.field-group{ margin-bottom:34px; }
.field-group .fg-label{ display:block; font-weight:600; font-size:15.5px; margin-bottom:4px; }
.field-group .fg-help{ font-size:13.5px; color:var(--ink-soft); margin-bottom:14px; }
.option-row{ display:flex; gap:12px; flex-wrap:wrap; }
.opt-btn{
  border:1.5px solid var(--line-strong); background:var(--white); border-radius:14px;
  padding:14px 19px; font-size:14.5px; font-weight:500; color:var(--ink);
  display:flex; flex-direction:column; align-items:flex-start; gap:2px;
  min-width:132px; transition:all .15s ease;
}
.opt-btn small{ color:var(--ink-soft); font-weight:400; font-size:12.5px; }
.opt-btn:hover{ border-color:var(--wood); transform:translateY(-1px); }
.opt-btn.selected{
  border-color:var(--accent-deep); background:var(--bg-warm);
  box-shadow:inset 0 0 0 1.5px var(--accent-deep), 0 6px 16px -8px rgba(184,72,27,0.4);
}

.swatch-row{ display:flex; gap:12px; }
.swatch{
  width:38px; height:38px; border-radius:50%; border:2px solid transparent; cursor:pointer;
  box-shadow:0 0 0 1px var(--line-strong);
}
.swatch.selected{ border-color:var(--ink); }

input[type=text]{
  width:100%; padding:13px 16px; border:1.5px solid var(--line-strong); border-radius:12px;
  font-family:var(--font-body); font-size:15px; background:var(--white); color:var(--ink);
}
.char-count{ font-size:12px; color:var(--ink-soft); margin-top:6px; font-family:var(--font-mono); }

/* ---------- galerie ---------- */
.gallery-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.gitem{
  border:1px solid var(--line); border-radius:18px; overflow:hidden; background:var(--white);
  box-shadow:0 14px 30px -18px rgba(107,61,24,0.3); transition:transform .18s ease;
}
.gitem:hover{ transform:translateY(-4px); }
.gitem .thumb{ aspect-ratio:4/3; }
.gitem .meta{ padding:18px 20px 22px; }
.gitem .meta h3{ font-size:17px; font-weight:600; }
.gitem .meta p{ font-size:13.5px; color:var(--ink-soft); margin-top:5px; }
.gitem .tag{
  display:inline-block; margin-top:10px; font-family:var(--font-mono); font-size:11.5px;
  color:var(--wood-dark); background:var(--bg-warm); padding:4px 9px; border-radius:3px;
}

/* ---------- contact ---------- */
.contact-layout{ display:grid; grid-template-columns:1fr 1fr; gap:60px; }
.form-field{ margin-bottom:22px; }
.form-field label{ display:block; font-weight:600; font-size:14.5px; margin-bottom:8px; }
.form-field input, .form-field textarea{
  width:100%; padding:13px 16px; border:1.5px solid var(--line-strong); border-radius:12px;
  font-family:var(--font-body); font-size:15px; background:var(--white); color:var(--ink); resize:vertical;
}
.form-note{
  margin-top:18px; padding:18px 20px; background:var(--bg-warm); border-radius:14px;
  font-size:13.5px; color:var(--ink-soft); border-left:3px solid var(--wood);
}
.contact-info dl{ margin:0; }
.contact-info dt{ font-family:var(--font-mono); font-size:12px; letter-spacing:1px; text-transform:uppercase; color:var(--ink-soft); margin-top:24px; }
.contact-info dt:first-child{ margin-top:0; }
.contact-info dd{ margin:6px 0 0; font-size:16.5px; }

.success-box{
  display:none; padding:20px; background:var(--bg-warm); border:1px solid var(--wood); border-radius:14px;
  margin-top:20px; font-size:14.5px;
}
.success-box.show{ display:block; }

/* ---------- responsive ---------- */
@media (max-width:900px){
  nav.main-nav{ display:none; }
  .hero .grid{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .type-cards{ grid-template-columns:1fr; }
  .gallery-preview{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr; }
  .sim-layout{ grid-template-columns:1fr; }
  .sim-preview{ position:static; }
  .gallery-grid{ grid-template-columns:1fr 1fr; }
  .contact-layout{ grid-template-columns:1fr; }
}
@media (max-width:560px){
  .gallery-preview{ grid-template-columns:1fr 1fr; }
  .gallery-grid{ grid-template-columns:1fr; }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto !important; transition:none !important; }
}