/* ==========================================================================
   Julian Taltavull — Architecte
   Direction v2 : éditoriale / photographique, tons neutres, sans accent
   couleur, typographie serif (titres) + sans-serif (texte, légendes).
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600&family=Inter:wght@400;500;600&display=swap');

:root{
  --white:#ffffff;
  --offwhite:#faf9f6;
  --ink:#1a1a19;
  --stone:#8c887f;
  --stone-light:#b7b2a6;
  --line:#e7e4de;

  --display:'Playfair Display', serif;
  --body:'Inter', sans-serif;

  --max:1240px;
  --gutter: clamp(20px, 5vw, 64px);
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}

html{ overflow-x:hidden; }
body{
  margin:0; background:var(--white); color:var(--ink);
  font-family:var(--body); font-size:16px; line-height:1.65;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }

.wrap{ max-width:var(--max); margin:0 auto; padding-left:var(--gutter); padding-right:var(--gutter); }

.kicker{
  font-size:12.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--stone);
  font-weight:500; display:block;
}

h1,h2,h3{ font-family:var(--display); font-weight:400; line-height:1.14; margin:0 0 .5em; letter-spacing:-.01em; color:var(--ink); }
h1{ font-size:clamp(2.2rem, 4.4vw, 3.4rem); }
h2{ font-size:clamp(1.7rem, 3vw, 2.3rem); }
h3{ font-size:1.25rem; }

p{ margin:0 0 1.1em; color:#3d3b37; }
.lede{ font-size:1.05rem; max-width:52ch; }
.muted{ color:var(--stone); }

.btn{
  font-family:var(--body); font-size:13.5px; font-weight:500; letter-spacing:.02em;
  display:inline-flex; align-items:center; gap:.5em;
  padding:.9em 1.6em; border:1px solid var(--ink);
  text-decoration:none; color:var(--ink); background:transparent; cursor:pointer;
  transition:background .18s ease, color .18s ease;
}
.btn:hover{ background:var(--ink); color:var(--white); }
.btn-quiet{ border-color:var(--line); color:var(--stone); }
.btn-quiet:hover{ background:var(--ink); color:var(--white); border-color:var(--ink); }
.btn-row{ display:flex; gap:14px; flex-wrap:wrap; margin-top:1.8em; }

/* ---------- header ---------- */
header.site-header{ padding:28px 0; border-bottom:1px solid transparent; }
header.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; }
.logo{ display:flex; align-items:center; gap:16px; font-family:var(--display); font-size:1.05rem; font-weight:500; text-decoration:none; color:var(--ink); }
.logo img{ height:52px; width:auto; display:block; }
.main-nav{ display:flex; gap:2.4rem; align-items:center; }
.main-nav a{ font-size:13px; letter-spacing:.03em; text-decoration:none; color:var(--ink); font-weight:500; }
.main-nav a:hover, .main-nav a[aria-current="page"]{ color:var(--stone); }
.nav-toggle{ display:none; }

/* ---------- hero ---------- */
.hero{ padding:20px 0 96px; }
.hero-top{ max-width:640px; margin-bottom:52px; }
.hero-top .kicker{ margin-bottom:1.3em; }
.hero-top p{ font-size:1.05rem; margin:0; }

/* framed image / caption — the validated signature element */
.frame{ background:var(--offwhite); border:1px solid var(--line); padding:clamp(14px,2.2vw,26px); }
.frame .photo{
  aspect-ratio:16/10; background:#efece5; position:relative; overflow:hidden;
  display:flex; align-items:center; justify-content:center;
}
.frame .photo img, .frame .photo svg{ width:100%; height:100%; object-fit:cover; }
.frame .photo .ph-label{
  font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--stone-light);
  position:absolute; bottom:14px; left:0; right:0; text-align:center;
}
.caption-row{ display:flex; justify-content:space-between; align-items:baseline; margin-top:20px; flex-wrap:wrap; gap:8px; }
.caption-row .name{ font-family:var(--display); font-size:1.3rem; font-weight:400; }
.caption-row .meta{ font-size:12px; letter-spacing:.05em; text-transform:uppercase; color:var(--stone); display:flex; gap:1.1em; flex-wrap:wrap; }

.frame.small .caption-row .name{ font-size:1.1rem; }

/* ---------- sections ---------- */
section{ padding:80px 0; }
.section-alt{ background:var(--offwhite); }
.section-head{ max-width:60ch; margin-bottom:3rem; }
.section-head .kicker{ margin-bottom:1em; }

.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.grid-4 .cell{ background:var(--white); padding:2.2rem 1.8rem; }
.grid-4 .cell h3{ font-size:1.05rem; margin-bottom:.5em; }
.grid-4 .cell p{ font-size:.94rem; color:var(--stone); margin:0; }

.process{ display:grid; grid-template-columns:repeat(3,1fr); gap:48px; }
.process-step .kicker{ margin-bottom:.9em; }
.process-step p{ font-size:.96rem; color:var(--stone); margin:0; }

/* project grid (réalisations) */
.project-grid{ display:grid; grid-template-columns:1fr 1fr; gap:40px; }
@media (max-width:820px){ .project-grid{ grid-template-columns:1fr; } }

/* view toggle — croquis / photos */
.view-toggle{ display:inline-flex; border:1px solid var(--line); margin-bottom:40px; }
.view-toggle button{
  font-family:var(--body); font-size:12.5px; letter-spacing:.04em; text-transform:uppercase;
  padding:.75em 1.5em; border:none; background:var(--white); color:var(--stone); cursor:pointer;
  transition:background .15s ease, color .15s ease;
}
.view-toggle button:not(:last-child){ border-right:1px solid var(--line); }
.view-toggle button.active{ background:var(--ink); color:var(--white); }
.view-toggle button:hover:not(.active){ background:var(--offwhite); }

.frame .photo{ position:relative; }
.view-sketch, .view-photo{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center; flex-direction:column;
}
.project-grid[data-mode="sketch"] .view-photo,
.project-grid[data-mode="photo"] .view-sketch{ display:none; }
.view-sketch img, .view-photo img{ width:100%; height:100%; object-fit:cover; }
.view-photo .ph-photo-label{
  font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--stone-light);
}

/* ---------- CTA band ---------- */
.cta-band{ background:var(--offwhite); padding:80px 0; text-align:center; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.cta-band .kicker{ justify-content:center; display:block; margin-bottom:1em; }
.cta-band p{ max-width:48ch; margin-left:auto; margin-right:auto; }
.cta-band .btn-row{ justify-content:center; }

/* ---------- footer ---------- */
.site-footer{ padding:20px 0; border-top:1px solid var(--line); }
.site-footer .wrap{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px; }
.footer-brand{ display:flex; align-items:center; gap:10px; }
.footer-brand img{ height:20px; width:auto; display:block; }
.footer-brand span{ font-family:var(--display); font-size:.85rem; color:var(--ink); }
.footer-right{ font-size:.8rem; color:var(--stone); display:flex; align-items:center; gap:8px; }

@media (max-width:480px){
  .site-footer{ padding:14px 0; }
  .site-footer .wrap{ flex-wrap:nowrap; gap:6px; }
  .footer-brand{ gap:0; flex-shrink:0; }
  .footer-brand span{ display:none; }
  .footer-right{ font-size:.66rem; gap:4px; white-space:nowrap; }
}
.footer-right a{ color:var(--stone); text-decoration:none; }
.footer-right a:hover{ color:var(--ink); }
.footer-right .sep{ color:var(--line); }

/* ---------- interior page head ---------- */
.page-head{ padding:44px 0 56px; }
.page-head h1{ margin-top:.4em; }
.breadcrumb{ font-size:12px; color:var(--stone); letter-spacing:.03em; }
.breadcrumb a{ text-decoration:none; color:var(--stone); }
.breadcrumb a:hover{ color:var(--ink); }

/* ---------- prestations ---------- */
.service-row{ display:grid; grid-template-columns:1fr 1.4fr; gap:40px; padding:44px 0; border-top:1px solid var(--line); }
.service-row:last-child{ border-bottom:1px solid var(--line); }
.service-row .kicker{ margin-bottom:.6em; }
.service-row p{ font-size:.97rem; color:var(--stone); margin:0; }
@media (max-width:720px){ .service-row{ grid-template-columns:1fr; gap:12px; } }

/* ---------- about timeline ---------- */
.timeline{ border-top:1px solid var(--line); }
.timeline-row{ display:grid; grid-template-columns:160px 1fr; gap:32px; padding:26px 0; border-bottom:1px solid var(--line); }
.timeline-row .period{ font-size:12.5px; letter-spacing:.04em; color:var(--stone); }
.timeline-row h3{ font-size:1.05rem; margin-bottom:.3em; }
.timeline-row p{ color:var(--stone); font-size:.94rem; margin:0; }
@media (max-width:600px){ .timeline-row{ grid-template-columns:1fr; gap:6px; } }
.portrait-photo{ width:240px; float:right; margin:4px 0 24px 40px; }
@media (max-width:560px){ .portrait-photo{ float:none; width:100%; max-width:280px; margin:0 auto 24px; display:block; } }

/* ---------- contact ---------- */
.contact-grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:64px; }
@media (max-width:820px){ .contact-grid{ grid-template-columns:1fr; gap:44px; } }
.contact-info .info-block{ margin-bottom:2.2em; }
.contact-info h4{ font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--stone); margin-bottom:.6em; font-weight:500; }
.contact-info a{ text-decoration:none; }
.contact-info a:hover{ color:var(--stone); }

form.contact-form{ display:flex; flex-direction:column; gap:20px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-size:12px; letter-spacing:.04em; color:var(--stone); font-weight:500; }
.field input, .field textarea, .field select{
  font-family:var(--body); font-size:.98rem; color:var(--ink);
  background:var(--offwhite); border:1px solid var(--line); padding:.9em 1em; outline:none;
  transition:border-color .15s ease;
}
.field input:focus, .field textarea:focus, .field select:focus{ border-color:var(--ink); }
.field textarea{ resize:vertical; min-height:140px; }
.form-note{ font-size:.85rem; color:var(--stone-light); }
.form-status{ font-size:13px; padding:.9em 1em; border:1px solid var(--line); display:none; }
.form-status.show{ display:block; }
.form-status.ok{ border-color:#4a6a4f; color:#4a6a4f; }
.form-status.err{ border-color:#a24b3a; color:#a24b3a; }

/* ---------- responsive ---------- */
@media (max-width:900px){
  .grid-4{ grid-template-columns:1fr 1fr; }
  .process{ grid-template-columns:1fr; gap:32px; }
}
@media (max-width:600px){
  .grid-4{ grid-template-columns:1fr; }
  .site-footer .wrap{ grid-template-columns:1fr; gap:32px; }
}
@media (max-width:720px){
  .main-nav{
    position:fixed; inset:74px 0 0 0; background:var(--white);
    flex-direction:column; align-items:flex-start; gap:0; padding:8px var(--gutter) 24px;
    transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .18s ease, transform .18s ease; border-top:1px solid var(--line);
  }
  .main-nav.open{ opacity:1; pointer-events:auto; transform:translateY(0); }
  .main-nav a{ width:100%; padding:16px 0; border-bottom:1px solid var(--line); }
  .nav-toggle{ display:flex; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; }
  .nav-toggle span{ width:22px; height:1px; background:var(--ink); display:block; }
}

/* ---------- project split layout (image left / detail right) — accueil + pages projet ---------- */
.layout{ display:grid; grid-template-columns:1fr 1fr; min-height:100vh; }
.image-pane{ position:sticky; top:0; height:100vh; background:var(--white); overflow:hidden; }
.img-slide{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; opacity:0; transition:opacity .35s ease; }
.img-slide.active{ opacity:1; }
.img-slide img{ width:100%; height:100%; object-fit:cover; }
.image-pane .ph{ font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--stone-light); }
.empty-state{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; opacity:1; transition:opacity .35s ease; }
.empty-state.hidden{ opacity:0; pointer-events:none; }
.empty-state span{ font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--stone-light); }

.list-pane{ padding:110px clamp(24px,4vw,72px) 56px; display:flex; flex-direction:column; justify-content:center; }
.project-titles a{
  display:block; text-decoration:none; color:var(--ink);
  font-family:var(--display); font-weight:400; font-size:clamp(1.8rem,3.4vw,2.8rem);
  line-height:1.5; padding:4px 0; transition:color .2s ease, opacity .2s ease;
  white-space:nowrap; overflow:hidden;
}
.project-titles.hovering a{ opacity:.35; }
.title-close{ display:none; }
.project-titles a:hover, .project-titles.hovering a.is-active{ opacity:1; }
.project-titles{ transition:opacity .38s ease, transform .38s ease; }
.category-label{
  font-family:var(--body); font-size:12.5px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--stone); border-bottom:1px solid var(--line); display:inline-block;
  padding-bottom:4px; margin:1.6em 0 .7em;
}
.category-label:first-of-type{ margin-top:0; }
.project-titles.leaving{ opacity:0; transform:translateY(-18px); }
.project-titles[hidden]{ display:none; }

.project-detail{
  opacity:0; transform:translateY(18px);
  transition:opacity .42s ease, transform .42s ease;
}
.project-detail.entering{ opacity:1; transform:translateY(0); }
.project-detail[hidden]{ display:none; }
.back-link{
  display:inline-flex; align-items:center; gap:.5em; margin-bottom:2em;
  font-family:var(--body); font-size:12.5px; letter-spacing:.06em; text-transform:uppercase;
  color:var(--stone); text-decoration:none; cursor:pointer; background:none; border:none; padding:0;
}
.back-link:hover{ color:var(--ink); }
.project-detail .kicker{ display:block; margin-bottom:.8em; }
.project-detail h1{
  font-family:var(--display); font-weight:400; font-size:clamp(1.9rem,3.2vw,2.6rem);
  line-height:1.15; margin:0 0 .7em;
}
.project-detail .meta-table{
  display:grid; grid-template-columns:auto 1fr; gap:8px 18px; font-size:.85rem;
  margin-bottom:1.6em; align-items:baseline;
}
.project-detail .meta-table dt{ color:var(--stone); font-size:11px; letter-spacing:.06em; text-transform:uppercase; margin:0; }
.project-detail .meta-table dd{ margin:0; }
.project-detail p{ font-size:.98rem; max-width:48ch; color:#3d3b37; }
.project-detail .doc-link{
  display:inline-flex; align-items:center; gap:.5em; font-size:13.5px; color:var(--ink); text-decoration:none;
  border-bottom:1px solid var(--line); padding-bottom:2px; margin-top:1.4em;
}
.project-detail .doc-link:hover{ border-color:var(--ink); }

.detail-image-layer{ position:absolute; inset:0; opacity:0; pointer-events:none; transition:opacity .35s ease; cursor:pointer; }
.detail-image-layer.active{ opacity:1; pointer-events:auto; }
.detail-image-layer img{ width:100%; height:100%; object-fit:cover; display:block; }
.detail-image-layer img.fit-contain, .img-slide img.fit-contain, .accordion-image img.fit-contain{ object-fit:contain; }
.img-counter{
  position:absolute; bottom:20px; right:20px; font-family:var(--body); font-size:11.5px;
  letter-spacing:.06em; color:var(--white); background:rgba(0,0,0,.45); padding:.4em .8em;
}
.img-hint{
  position:absolute; bottom:20px; left:20px; font-family:var(--body); font-size:11px;
  letter-spacing:.06em; text-transform:uppercase; color:var(--white); background:rgba(0,0,0,.45); padding:.4em .8em;
}
.gallery-nav{
  position:absolute; top:50%; transform:translateY(-50%);
  width:38px; height:38px; border-radius:50%; z-index:3;
  background:rgba(255,255,255,.55); backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
  border:none; cursor:pointer; display:flex; align-items:center; justify-content:center;
  transition:background .2s ease; color:var(--ink);
}
.gallery-nav:hover{ background:rgba(255,255,255,.85); }
.gallery-nav svg{ width:16px; height:16px; display:block; }
.gallery-prev{ left:18px; }
.gallery-next{ right:18px; }
.mobile-back, .mobile-meta, .mobile-back-row{ display:none; }
.mobile-thumb{ display:none; }

@media (max-width:820px){
  .layout{ grid-template-columns:1fr; min-height:0; }
  .image-pane{ display:none; }
  .image-pane.project-gallery{
    display:flex; align-items:center; justify-content:center;
    position:relative; height:calc(100vh - 110px); margin-top:10px; padding:24px 14%; z-index:1;
  }
  .image-pane.project-gallery .detail-image-layer{
    position:relative; inset:auto; width:100%; height:100%;
    display:flex; align-items:center; justify-content:center;
  }
  .image-pane.project-gallery .detail-image-layer img{
    width:auto; height:auto; max-width:100%; max-height:100%; object-fit:contain;
  }
  .image-pane.project-gallery .img-hint,
  .image-pane.project-gallery .img-counter{ display:none; }
  .gallery-nav{ display:none; }
  .mobile-back{ display:none; }
  .mobile-back-row{ display:block; padding:78px var(--gutter) 0; }
  .mobile-back-row .back-link{ display:inline-flex; }
  .image-pane.project-gallery .mobile-counter{
    display:block; position:absolute; left:0; right:0; bottom:14px; text-align:center;
    font-family:var(--body); font-size:11.5px; letter-spacing:.06em; color:var(--stone);
  }
  .mobile-meta{ display:block; text-align:center; padding:22px var(--gutter) 0; }
  .mobile-title{
    font-family:var(--body); font-weight:500; font-size:12.5px; letter-spacing:.08em;
    text-transform:uppercase; color:var(--ink); margin-top:6px;
  }
  .mobile-expand{
    display:flex; align-items:center; justify-content:center; margin:14px auto 0;
    width:34px; height:34px; border-radius:50%; border:1px solid var(--line);
    background:none; font-size:18px; line-height:1; color:var(--ink); cursor:pointer;
  }
  .list-pane{ justify-content:flex-start; padding-top:120px; min-height:0; }
  .mobile-meta + .list-pane{ padding-top:0; }
  .list-pane .back-link{ display:none; }
  .project-detail{
    max-height:0; overflow:hidden; opacity:1; transform:none;
    transition:max-height .4s ease; padding:0 var(--gutter);
  }
  .project-detail.mobile-open{ max-height:1400px; padding-top:22px; padding-bottom:40px; }

  /* liste des projets : image + titre en majuscule en dessous, à gauche */
  .title-item{ border-bottom:none; margin-bottom:26px; }
  .mobile-thumb{ display:block; width:100%; aspect-ratio:4/5; overflow:hidden; background:var(--white); margin-bottom:10px; }
  .mobile-thumb img{ width:100%; height:100%; object-fit:cover; display:block; }
  .title-row{ display:block; cursor:pointer; min-width:0; }
  .title-row a{
    display:block; min-width:0; white-space:normal; overflow:visible;
    font-family:var(--body) !important; font-weight:500; font-size:12.5px !important;
    letter-spacing:.08em; text-transform:uppercase; text-align:left; line-height:1.4;
  }
  .title-close{ display:none !important; }
  .accordion-panel{ display:none !important; }
  .category-label{ display:block; margin:0 0 1em; }
}

/* ---------- minimal dropdown menu — floating version (accueil uniquement) ---------- */
.menu-fixed{
  position:fixed; top:28px; z-index:200;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  padding:8px 14px;
  border-radius:4px;
}
.menu-fixed.left{ left:var(--gutter); }
.menu-fixed.right{ right:var(--gutter); }

/* ---------- minimal dropdown menu — full-width bar (pages intérieures) ---------- */
.top-bar{
  position:fixed; top:0; left:0; right:0; z-index:200;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px var(--gutter);
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(231,228,222,.7);
}
.menu-trigger{
  font-family:var(--body); font-size:12.5px; letter-spacing:.08em; text-transform:uppercase;
  background:none; border:none; cursor:pointer; color:var(--ink); padding:4px 0;
  display:flex; align-items:center; gap:8px;
}
.menu-trigger .bars{ display:flex; flex-direction:column; gap:4px; }
.menu-trigger .bars span{ width:18px; height:1px; background:var(--ink); display:block; transition:transform .2s ease, opacity .2s ease; }
.menu-fixed.open .menu-trigger .bars span:nth-child(1),
.top-bar.open .menu-trigger .bars span:nth-child(1){ transform:translateY(5px) rotate(45deg); }
.menu-fixed.open .menu-trigger .bars span:nth-child(2),
.top-bar.open .menu-trigger .bars span:nth-child(2){ opacity:0; }
.menu-fixed.open .menu-trigger .bars span:nth-child(3),
.top-bar.open .menu-trigger .bars span:nth-child(3){ transform:translateY(-5px) rotate(-45deg); }

.menu-panel{
  position:fixed; inset:0; background:var(--white); z-index:190;
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:opacity .3s ease;
}
.menu-panel.open{ opacity:1; pointer-events:auto; }
.menu-panel nav{ display:flex; flex-direction:column; align-items:center; gap:22px; }
.menu-panel a{
  font-family:var(--display); font-weight:400; font-size:clamp(1.8rem,3.6vw,2.8rem);
  color:var(--ink); text-decoration:none; opacity:.8; transition:opacity .2s ease;
}
.menu-panel a:hover{ opacity:1; }