/* =========================================================
   Antiquités Saint François — Feuille de style principale
   Palette "premium" : ivoire, charbon, or antique
   ========================================================= */

:root{
  --bg:            #F8F5EF;
  --bg-alt:        #F0EAE0;
  --bg-dark:       #14130F;
  --charcoal:      #201F1B;
  --text:          #26241E;
  --text-soft:     #5B584E;
  --line:          #DED4C2;
  --gold:          #A9823D;
  --gold-light:    #C9A961;
  --gold-dark:     #8A6A2F;
  --white:         #FFFFFF;
  --shadow:        0 10px 40px rgba(20,19,15,.08);
  --radius:        2px;
  --font-display:  'Cormorant Garamond', Georgia, serif;
  --font-sans:     'Jost', 'Helvetica Neue', Arial, sans-serif;
  --container:     1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-sans);
  font-weight:300;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:500;
  color:var(--charcoal);
  line-height:1.15;
  margin:0 0 .5em;
}
p{ margin:0 0 1em; }
.container{ max-width:var(--container); margin:0 auto; padding:0 32px; }
section{ padding:96px 0; }
.eyebrow{
  display:inline-block;
  font-family:var(--font-sans);
  font-size:12px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--gold-dark);
  margin-bottom:18px;
}
.section-head{ max-width:640px; margin:0 auto 56px; text-align:center; }
.section-head h2{ font-size:clamp(30px,3.4vw,44px); }
.section-head p{ color:var(--text-soft); font-size:17px; }
.center{ text-align:center; }

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 34px;
  font-family:var(--font-sans);
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-primary{ background:var(--gold); color:var(--white); }
.btn-primary:hover{ background:var(--gold-dark); }
.btn-outline{ border-color:var(--gold); color:var(--charcoal); }
.btn-outline:hover{ background:var(--gold); color:var(--white); }
.btn-ghost-light{ border-color:rgba(255,255,255,.55); color:var(--white); }
.btn-ghost-light:hover{ background:rgba(255,255,255,.12); border-color:#fff; }
.btn-block{ width:100%; justify-content:center; }
.btn-sm{ padding:11px 22px; font-size:11px; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(248,245,239,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.is-scrolled{ box-shadow:0 4px 24px rgba(20,19,15,.06); }
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:24px;
  padding:18px 32px;
  max-width:1320px; margin:0 auto;
}
.logo{
  font-family:var(--font-display);
  font-size:21px;
  letter-spacing:.03em;
  color:var(--charcoal);
  white-space:nowrap;
  flex:none;
}
.logo span{ color:var(--gold); }
.logo small{
  display:block;
  font-family:var(--font-sans);
  font-size:10px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--text-soft);
  margin-top:2px;
  white-space:nowrap;
}
.main-nav{ display:flex; align-items:center; gap:26px; flex:none; }
.main-nav a{
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--charcoal);
  position:relative;
  padding:4px 0;
  white-space:nowrap;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:-2px;
  width:0; height:1px; background:var(--gold);
  transition:width .25s ease;
}
.main-nav a:hover::after, .main-nav a.active::after{ width:100%; }
.main-nav a.active{ color:var(--gold-dark); }
.header-cta{ display:flex; align-items:center; gap:16px; flex:none; }
.header-phone{
  font-family:var(--font-display); font-size:16px; color:var(--charcoal);
  display:flex; align-items:center; gap:8px;
  white-space:nowrap;
}
.header-phone svg{ width:16px; height:16px; fill:var(--gold); flex:none; }
.nav-toggle{
  display:none; background:none; border:none; cursor:pointer; padding:6px;
}
.nav-toggle span{ display:block; width:24px; height:1.5px; background:var(--charcoal); margin:5px 0; }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:88vh;
  display:flex; align-items:center;
  background:
    linear-gradient(180deg, rgba(15,14,10,.82), rgba(15,14,10,.72) 55%, rgba(15,14,10,.92)),
    url('../images/hero-boutique.jpg') center 30% / cover no-repeat,
    radial-gradient(ellipse at 30% 20%, #2b2820 0%, #14130F 65%);
  color:var(--white);
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute; inset:0;
  background-image:
    repeating-linear-gradient(115deg, rgba(201,169,97,.05) 0px, rgba(201,169,97,.05) 1px, transparent 1px, transparent 90px);
  pointer-events:none;
}
.hero-inner{ position:relative; max-width:760px; margin:0 auto; text-align:center; padding:0 32px; }
.hero .eyebrow{ color:var(--gold-light); }
.hero h1{
  color:var(--white);
  font-size:clamp(38px,5.6vw,64px);
  margin-bottom:22px;
}
.hero h1 em{ color:var(--gold-light); font-style:normal; }
.hero-sub{
  font-size:18px; color:rgba(255,255,255,.82);
  max-width:560px; margin:0 auto 40px;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:16px; justify-content:center; }
.hero-meta{
  margin-top:56px; padding-top:28px; border-top:1px solid rgba(255,255,255,.18);
  display:flex; justify-content:center; gap:44px; flex-wrap:wrap;
  font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:rgba(255,255,255,.65);
}
.hero-meta strong{ display:block; font-family:var(--font-display); font-size:22px; letter-spacing:0; text-transform:none; color:var(--white); font-weight:500; }

/* ---------- Bandeau partenaires ---------- */
.partners{
  background:var(--bg-dark); padding:40px 0;
}
.partners .container{
  display:flex; align-items:center; justify-content:center; gap:56px; flex-wrap:wrap;
}
.partners p{
  margin:0; color:rgba(255,255,255,.45); font-size:11px; letter-spacing:.2em; text-transform:uppercase;
  width:100%; text-align:center; margin-bottom:8px;
}
.partner-name{
  font-family:var(--font-display); font-size:19px; color:rgba(255,255,255,.85); letter-spacing:.02em;
}

/* ---------- Maison / à propos ---------- */
.about{ background:var(--bg); }
.about-grid{
  display:grid; grid-template-columns:.85fr 1.15fr; gap:72px; align-items:center;
}
.about-portrait{
  aspect-ratio:4/5; background:
    linear-gradient(160deg,#EFE7D8,#DED0AE 45%,#C9A961 100%);
  position:relative; border:1px solid var(--line);
}
.about-portrait::after{
  content:'Philippe'; position:absolute; left:24px; bottom:24px;
  font-family:var(--font-display); font-size:24px; color:#fff;
  text-shadow:0 2px 10px rgba(0,0,0,.35);
}
.about-portrait::before{
  content:'Fondateur — Expert';
  position:absolute; left:24px; bottom:2px;
  font-size:10px; letter-spacing:.2em; text-transform:uppercase; color:rgba(255,255,255,.85);
}
.about-text .eyebrow{ }
.about-text h2{ font-size:clamp(28px,3.2vw,38px); }
.about-text p{ color:var(--text-soft); font-size:16.5px; }
.credentials{
  list-style:none; padding:0; margin:28px 0; display:grid; gap:14px;
}
.credentials li{
  display:flex; gap:12px; align-items:flex-start; font-size:14.5px; color:var(--text);
}
.credentials li svg{ width:16px; height:16px; fill:var(--gold); flex:none; margin-top:3px; }

/* ---------- Domaines d'expertise ---------- */
.domains{ background:var(--bg-alt); }
.domain-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line);
  border:1px solid var(--line);
}
.domain-card{
  background:var(--bg-alt); padding:44px 30px; text-align:left; position:relative;
  transition:background .25s ease;
}
.domain-card:hover{ background:var(--white); }
.domain-num{ font-family:var(--font-display); font-size:13px; color:var(--gold); letter-spacing:.1em; }
.domain-card h3{ font-size:21px; margin:16px 0 10px; }
.domain-card p{ font-size:14px; color:var(--text-soft); margin:0; }
.domain-card .domain-icon{ width:30px; height:30px; fill:none; stroke:var(--gold); stroke-width:1.1; margin-bottom:18px; }

/* ---------- Services / 4 CTA ---------- */
.services{ background:var(--bg-dark); color:#fff; }
.services .section-head h2{ color:#fff; }
.services .section-head p{ color:rgba(255,255,255,.6); }
.service-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:rgba(255,255,255,.12); }
.service-card{
  background:var(--bg-dark); padding:40px 28px; display:flex; flex-direction:column; gap:14px;
}
.service-card .tag{ font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--gold-light); }
.service-card h3{ color:#fff; font-size:20px; margin:0; }
.service-card p{ color:rgba(255,255,255,.6); font-size:14px; flex:1; }
.service-card a.btn{ align-self:flex-start; }

/* ---------- Adresses ---------- */
.locations{ background:var(--bg); }
.locations-grid{ display:grid; grid-template-columns:1fr 1fr; gap:40px; }
.location-card{
  border:1px solid var(--line); background:var(--white); padding:38px; position:relative;
}
.location-card .badge{
  position:absolute; top:-1px; right:-1px; background:var(--gold); color:#fff;
  font-size:10px; letter-spacing:.16em; text-transform:uppercase; padding:6px 14px;
}
.location-card h3{ font-size:24px; margin-bottom:6px; }
.location-card .addr{ color:var(--text-soft); margin-bottom:18px; font-size:15px; }
.location-card dl{ margin:0 0 24px; font-size:14px; }
.location-card dt{ float:left; clear:left; width:130px; color:var(--text-soft); }
.location-card dd{ margin:0 0 6px 130px; }
.location-actions{ display:flex; gap:12px; flex-wrap:wrap; }

/* ---------- Catalogue teaser / footer CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,#EFE7D8,#F8F5EF);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  text-align:center;
}
.cta-band h2{ font-size:clamp(26px,3vw,36px); margin-bottom:14px; }
.cta-band p{ color:var(--text-soft); max-width:520px; margin:0 auto 30px; }

/* ---------- Footer ---------- */
footer{ background:var(--bg-dark); color:rgba(255,255,255,.7); padding:72px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr; gap:48px; margin-bottom:56px; }
.footer-grid h4{ color:#fff; font-size:13px; letter-spacing:.14em; text-transform:uppercase; font-family:var(--font-sans); margin-bottom:20px; }
.footer-logo{ font-family:var(--font-display); font-size:24px; color:#fff; margin-bottom:14px; }
.footer-logo span{ color:var(--gold-light); }
.footer-grid p, .footer-grid a{ font-size:14px; color:rgba(255,255,255,.62); }
.footer-grid ul{ list-style:none; padding:0; margin:0; display:grid; gap:10px; }
.footer-grid a:hover{ color:var(--gold-light); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12); padding-top:24px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:12px; color:rgba(255,255,255,.4);
}

/* ---------- Page header (sous-pages) ---------- */
.page-hero{
  background:var(--bg-dark); color:#fff; padding:120px 0 64px; text-align:center;
}
.page-hero .eyebrow{ color:var(--gold-light); }
.page-hero h1{ color:#fff; font-size:clamp(32px,4.4vw,50px); }
.page-hero p{ color:rgba(255,255,255,.65); max-width:560px; margin:0 auto; }

/* ---------- Catalogue ---------- */
.catalogue-filters{
  display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin:-28px 0 56px;
}
.filter-btn{
  padding:10px 22px; border:1px solid var(--line); background:var(--white);
  font-size:12px; letter-spacing:.1em; text-transform:uppercase; cursor:pointer; color:var(--text-soft);
  transition:all .2s ease;
}
.filter-btn:hover{ border-color:var(--gold); color:var(--charcoal); }
.filter-btn.active{ background:var(--charcoal); border-color:var(--charcoal); color:#fff; }
.piece-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:38px 30px; }
.piece-card{ background:var(--white); border:1px solid var(--line); }
.piece-media{
  aspect-ratio:4/3; position:relative; overflow:hidden;
  display:flex; align-items:center; justify-content:center;
}
.piece-media .ph-icon{ width:38px; height:38px; stroke:rgba(255,255,255,.55); fill:none; stroke-width:1; }
.piece-media .ph-label{
  position:absolute; bottom:12px; left:12px; font-size:10px; letter-spacing:.14em; text-transform:uppercase;
  color:rgba(255,255,255,.75);
}
.piece-card .piece-cat{
  position:absolute; top:12px; left:12px; background:rgba(20,19,15,.55); color:#fff;
  font-size:10px; letter-spacing:.12em; text-transform:uppercase; padding:5px 10px;
}
.piece-info{ padding:22px 24px 26px; }
.piece-info .era{ font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--gold-dark); margin-bottom:8px; }
.piece-info h3{ font-size:19px; margin-bottom:6px; }
.piece-info p{ font-size:13.5px; color:var(--text-soft); margin-bottom:14px; }
.piece-info .price{ font-family:var(--font-display); font-size:16px; color:var(--charcoal); }
.piece-info .price small{ font-family:var(--font-sans); font-size:11px; color:var(--text-soft); }

.catalogue-note{
  max-width:720px; margin:64px auto 0; text-align:center; font-size:13.5px; color:var(--text-soft);
  border-top:1px solid var(--line); padding-top:32px;
}

/* ---------- Formulaires ---------- */
.form-wrap{ max-width:760px; margin:0 auto; }
.form-panel{ background:var(--white); border:1px solid var(--line); padding:48px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:22px; }
.field{ margin-bottom:22px; }
.field.full{ grid-column:1/-1; }
.field label{ display:block; font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--text-soft); margin-bottom:8px; }
.field input[type=text],
.field input[type=email],
.field input[type=tel],
.field input[type=date],
.field select,
.field textarea{
  width:100%; padding:13px 14px; border:1px solid var(--line); background:var(--bg);
  font-family:var(--font-sans); font-size:14.5px; color:var(--text); font-weight:300;
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--gold); background:var(--white); }
.radio-group{ display:flex; gap:20px; flex-wrap:wrap; }
.radio-group label{ display:flex; align-items:center; gap:8px; font-size:14px; text-transform:none; letter-spacing:0; color:var(--text); }
.file-drop{
  border:1px dashed var(--line); padding:28px; text-align:center; font-size:13.5px; color:var(--text-soft);
  cursor:pointer; background:var(--bg);
}
.file-drop:hover{ border-color:var(--gold); }
.consent{ display:flex; gap:10px; align-items:flex-start; font-size:12.5px; color:var(--text-soft); }
.form-side{ display:grid; gap:20px; margin-top:32px; }
.form-side .info-box{
  border:1px solid var(--line); padding:22px 24px; font-size:14px; color:var(--text-soft); background:var(--bg-alt);
}
.form-side .info-box strong{ display:block; color:var(--charcoal); font-family:var(--font-display); font-size:16px; margin-bottom:4px; }
.form-success{
  display:none; background:#EDF3EA; border:1px solid #B8CDAE; color:#375B2C;
  padding:18px 22px; margin-bottom:28px; font-size:14px;
}
.form-success.show{ display:block; }

/* ---------- Reveal on scroll ----------
   Content is visible by default (.reveal alone = no hiding), so it can
   never be stuck invisible without JS or on an unusual scroll pattern.
   JS opts specific below-the-fold elements into ".reveal-hidden" only
   after confirming they start off-screen, then removes it on intersect
   (with a timed + near-bottom safety net — see js/script.js). */
.reveal{ transition:opacity .7s ease, transform .7s ease; }
.reveal.reveal-hidden{ opacity:0; transform:translateY(24px); }

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .about-grid{ grid-template-columns:1fr; gap:40px; }
  .about-portrait{ max-width:340px; }
  .domain-grid{ grid-template-columns:repeat(2,1fr); }
  .service-grid{ grid-template-columns:repeat(2,1fr); }
  .locations-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .piece-grid{ grid-template-columns:repeat(2,1fr); }
  .form-row{ grid-template-columns:1fr; }
}
@media (max-width:760px){
  .main-nav, .header-phone span, .header-cta .btn-primary{ display:none; }
  .header-cta{ gap:10px; }
  .nav-toggle{ display:block; }
  .main-nav.open{
    display:flex; position:absolute; top:100%; left:0; right:0; background:var(--bg);
    flex-direction:column; padding:24px 32px; border-bottom:1px solid var(--line); gap:20px;
  }
  section{ padding:64px 0; }
  .domain-grid{ grid-template-columns:1fr; }
  .service-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
  .piece-grid{ grid-template-columns:1fr; }
  .form-panel{ padding:28px; }
  .hero-meta{ gap:24px; }
  .partners .container{ gap:28px; }
}