:root{
    --bg: #121110;
    --bg-alt: #191714;
    --panel: #201d19;
    --hairline: rgba(236,231,220,0.12);
    --hairline-strong: rgba(236,231,220,0.22);
    --text: #ece7dc;
    --text-muted: #948d7e;
    --text-faint: #5c574c;
    --accent: #c4291f;
    --accent-dim: rgba(196,41,31,0.35);
    --serif: 'Fraunces', Georgia, serif;
    --sans: 'Space Grotesk', -apple-system, sans-serif;
    --mono: 'JetBrains Mono', 'Courier New', monospace;
  }

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

  html{ scroll-behavior:smooth; }
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    *{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; }
  }

  body{
    background:var(--bg);
    color:var(--text);
    font-family:var(--sans);
    line-height:1.5;
    position:relative;
    overflow-x:hidden;
  }

  /* grain texture overlay - evoque le grain argentique / bruit CCD */
  body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:999;
    pointer-events:none;
    opacity:0.05;
    mix-blend-mode:overlay;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  a{ color:inherit; text-decoration:none; }
  ul{ list-style:none; }
  img{ display:block; max-width:100%; }

  .wrap{
    max-width:1180px;
    margin:0 auto;
    padding:0 40px;
  }

  .eyebrow{
    font-family:var(--mono);
    font-size:11px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--accent);
  }

  /* ---------- rangefinder focus-patch dot (curseur signature) ---------- */
  .focus-dot{
    position:fixed;
    width:14px; height:14px;
    border:1.5px solid var(--accent);
    border-radius:50%;
    pointer-events:none;
    z-index:998;
    transform:translate(-50%,-50%);
    opacity:0;
    transition:opacity .25s ease, width .2s ease, height .2s ease, background .2s ease;
  }
  .focus-dot.active{ opacity:1; }
  .focus-dot.snap{
    background:var(--accent);
    width:8px; height:8px;
  }
  @media (hover:none){ .focus-dot{ display:none; } }

  /* ---------- nav ---------- */
  header{
    position:fixed;
    top:0; left:0; right:0;
    z-index:100;
    background:linear-gradient(to bottom, rgba(18,17,16,0.92), rgba(18,17,16,0));
    backdrop-filter:blur(2px);
  }
  nav{
    max-width:1180px;
    margin:0 auto;
    padding:26px 40px;
    display:flex;
    justify-content:space-between;
    align-items:center;
  }
  .logo{
    font-family:var(--serif);
    font-size:27px;
    letter-spacing:0.02em;
    display:flex;
    align-items:baseline;
    gap:9px;
  }
  .logo span{
    font-family:var(--mono);
    font-size:12px;
    color:var(--text-muted);
    letter-spacing:0.1em;
  }
  .navlinks{
    display:flex;
    gap:36px;
    font-family:var(--mono);
    font-size:12px;
    letter-spacing:0.06em;
    text-transform:uppercase;
  }
  .navlinks a{
    position:relative;
    color:var(--text-muted);
    transition:color .2s ease;
    padding-left:14px;
  }
  .navlinks a::before{
    content:"";
    position:absolute;
    left:0; top:50%;
    transform:translateY(-50%);
    width:6px; height:6px;
    border-radius:50%;
    background:var(--accent);
    opacity:0;
    transition:opacity .2s ease;
  }
  .navlinks a:hover, .navlinks a.is-active{ color:var(--text); }
  .navlinks a:hover::before, .navlinks a.is-active::before{ opacity:1; }
  .nav-toggle{ display:none; }

  @media (max-width:720px){
    .navlinks{
      position:fixed; inset:0 0 0 auto;
      width:70%; height:100vh;
      background:var(--bg-alt);
      flex-direction:column;
      justify-content:center;
      gap:28px;
      padding:40px;
      transform:translateX(100%);
      transition:transform .35s ease;
      border-left:1px solid var(--hairline);
    }
    .navlinks.open{ transform:translateX(0); }
    .nav-toggle{
      display:flex; flex-direction:column; gap:5px;
      background:none; border:none; cursor:pointer;
      z-index:101; position:relative;
    }
    .nav-toggle span{ width:22px; height:1.5px; background:var(--text); }
  }

  /* ---------- hero ---------- */
  .hero{
    height:50svh;
    width:50%;
    min-width:320px;
    margin:40px auto;
    position:relative;
    background:
      radial-gradient(ellipse 900px 500px at 75% 15%, rgba(196,41,31,0.09), transparent 60%),
      linear-gradient(180deg, rgba(10,9,8,0.6) 0%, rgba(10,9,8,0.72) 55%, var(--bg) 92%),
      url('photos/accueil.jpg');
    background-size:cover;
    background-position:30% 30%;
  }
  @media (max-width:900px){
    .hero{ width:80%; }
  }
  @media (max-width:640px){
    .hero{ width:92%; height:44svh; margin:24px auto; }
  }
  .hero-frame{
    position:absolute;
    top:20px; left:20px; right:20px; bottom:20px;
    border:1px solid var(--hairline);
    pointer-events:none;
  }
  .hero-frame::before, .hero-frame::after{
    content:"";
    position:absolute;
    width:16px; height:16px;
    border:1.5px solid var(--accent-dim);
  }
  .hero-frame::before{ top:-1px; left:-1px; border-right:none; border-bottom:none; }
  .hero-frame::after{ bottom:-1px; right:-1px; border-left:none; border-top:none; }

  .hero-content{ padding:0 40px; max-width:1180px; margin:0 auto; width:100%; }
  .hero-meta{
    position:absolute;
    bottom:0;
    left:50%;
    transform:translate(-50%, 50%);
    font-family:var(--mono);
    font-size:12px;
    color:var(--text);
    letter-spacing:0.08em;
    display:flex;
    gap:10px;
    flex-wrap:nowrap;
    justify-content:center;
    max-width:calc(100% - 20px);
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .hero-meta::-webkit-scrollbar{ display:none; }
  .hero-meta span{
    white-space:nowrap;
    flex-shrink:0;
    background:var(--bg);
    border:1px solid rgba(236,231,220,0.14);
    padding:6px 12px;
  }
  @media (max-width:640px){
    .hero-meta{ font-size:9px; gap:5px; }
    .hero-meta span{ padding:4px 7px; }
  }

  h1.hero-title{
    font-family:var(--serif);
    font-weight:400;
    font-style:italic;
    font-size:clamp(20px, 2.6vw, 30px);
    line-height:1.3;
    letter-spacing:0.01em;
    color:var(--text);
    max-width:none;
  }
  h1.hero-title em{
    font-style:italic;
    font-weight:400;
    color:var(--accent);
  }

  .hero-heading{
    padding-top:150px;
    padding-bottom:24px;
    text-align:center;
    max-width:50%;
    min-width:320px;
    margin:0 auto;
  }
  @media (max-width:900px){
    .hero-heading{ max-width:80%; }
  }
  @media (max-width:640px){
    .hero-heading{ max-width:92%; }
  }
  @media (max-width:720px){
    .hero-heading{ padding-top:130px; }
  }

  .hero-quote{
    font-family:var(--serif);
    font-weight:300;
    font-style:italic;
    font-size:18px;
    line-height:1.4;
    color:var(--text-muted);
  }

  .hero-sub{
    margin-top:26px;
    max-width:480px;
    color:var(--text-muted);
    font-size:15px;
    line-height:1.7;
  }

  .hero-bottom{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    margin-top:60px;
    padding-top:20px;
    border-top:1px solid var(--hairline);
  }
  .scroll-cue{
    font-family:var(--mono);
    font-size:11px;
    color:var(--text-faint);
    letter-spacing:0.1em;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .scroll-cue .line{
    width:1px; height:34px;
    background:linear-gradient(var(--accent), transparent);
  }

  /* ---------- section shell ---------- */
  section{ padding:130px 0; position:relative; }
  .section-head{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    margin-bottom:56px;
    gap:24px;
    flex-wrap:wrap;
  }
  h2.section-title{
    font-family:var(--serif);
    font-weight:300;
    font-size:clamp(32px, 4vw, 48px);
    margin-top:8px;
  }
  .section-note{
    font-family:var(--mono);
    font-size:12px;
    color:var(--text-muted);
    max-width:280px;
    text-align:right;
    line-height:1.6;
  }
  @media (max-width:720px){
    .section-note{ text-align:left; max-width:100%; }
  }

  /* ---------- galerie ---------- */
  .filters{
    display:flex;
    gap:10px;
    margin-bottom:44px;
    flex-wrap:wrap;
  }
  .filter-btn{
    font-family:var(--mono);
    font-size:11px;
    letter-spacing:0.06em;
    text-transform:uppercase;
    color:var(--text-muted);
    background:transparent;
    border:1px solid var(--hairline-strong);
    padding:9px 16px;
    cursor:pointer;
    transition:all .2s ease;
  }
  .filter-btn:hover{ color:var(--text); border-color:var(--text-faint); }
  .filter-btn.is-active{
    color:var(--bg);
    background:var(--accent);
    border-color:var(--accent);
  }

  .grid{
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(140px, 1fr));
    gap:3px;
    background:var(--hairline);
  }
  @media (max-width:560px){ .grid{ grid-template-columns:repeat(3, 1fr); } }

  .photo{
    position:relative;
    aspect-ratio:1/1;
    overflow:hidden;
    background:var(--bg);
    cursor:crosshair;
  }
  .photo[data-tall]{ aspect-ratio:1/1; }
  .photo-surface{
    position:absolute; inset:0;
    width:100%; height:100%;
    object-fit:cover;
    background-size:cover;
    background-position:center;
    transition:transform .7s cubic-bezier(.16,1,.3,1), filter .5s ease;
    filter:contrast(1.04);
  }
  .photo:hover .photo-surface{ transform:scale(1.045); filter:contrast(1.08); }

  .photo-caption{
    position:absolute;
    left:0; right:0; bottom:0;
    padding:8px 10px;
    background:linear-gradient(to top, rgba(10,9,8,0.9), transparent);
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    opacity:0;
    transform:translateY(6px);
    transition:opacity .3s ease, transform .3s ease;
  }
  .photo:hover .photo-caption{ opacity:1; transform:translateY(0); }
  .photo-caption .name{
    font-family:var(--serif);
    font-style:italic;
    font-size:11px;
    line-height:1.3;
  }
  .photo-caption .exif{
    font-family:var(--mono);
    font-size:9px;
    color:var(--text-muted);
    text-align:right;
    line-height:1.4;
  }
  .photo-index{
    position:absolute; top:8px; left:9px;
    font-family:var(--mono);
    font-size:9px;
    color:rgba(236,231,220,0.55);
    letter-spacing:0.05em;
  }

  /* ---------- hors cadre (petit format) ---------- */
  .hors-cadre-grid{
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(78px, 1fr));
    gap:3px;
    background:transparent;
    margin-top:20px;
    max-width:720px;
  }
  @media (max-width:560px){ .hors-cadre-grid{ grid-template-columns:repeat(5, 1fr); } }
  .hc-photo{ aspect-ratio:1/1; cursor:zoom-in; background:var(--hairline); }
  .hc-photo .photo-index{ display:none; }

  /* placeholders texturés distincts pour simuler des photos variées */
  .ph-1{ background:linear-gradient(135deg,#2a2724,#0f0e0d 60%); }
  .ph-2{ background:linear-gradient(135deg,#232025,#0d0d0f 60%); }
  .ph-3{ background:linear-gradient(135deg,#26231d,#0f0e0b 60%); }
  .ph-4{ background:linear-gradient(135deg,#1e2224,#0b0d0e 60%); }
  .ph-5{ background:linear-gradient(135deg,#292420,#100e0c 60%); }
  .ph-6{ background:linear-gradient(135deg,#20211d,#0d0e0b 60%); }
  .ph-7{ background:linear-gradient(135deg,#242628,#0c0d0f 60%); }
  .ph-8{ background:linear-gradient(135deg,#282521,#110f0c 60%); }
  .ph-9{ background:linear-gradient(135deg,#1f2320,#0c0e0b 60%); }

  /* ---------- à propos ---------- */
  .about{
    display:grid;
    grid-template-columns:0.85fr 1.15fr;
    gap:70px;
    align-items:start;
  }
  @media (max-width:820px){ .about{ grid-template-columns:1fr; gap:40px; } }

  .about-photo{
    aspect-ratio:3/2;
    max-width:44%;
    background:url('photos/apropos.jpg') center 25%/cover, linear-gradient(150deg,#232019,#0d0c0b 65%);
    position:relative;
    border:1px solid var(--hairline);
  }
  #mariage-photo::after{ content:none; }

  .about-text p{
    color:var(--text-muted);
    font-size:15.5px;
    line-height:1.8;
    margin-bottom:20px;
    max-width:52ch;
  }
  .about-text strong{ color:var(--text); font-weight:500; }

  .specs{
    margin-top:44px;
    border-top:1px solid var(--hairline);
  }
  .specs-row{
    display:flex;
    justify-content:space-between;
    padding:14px 0;
    border-bottom:1px solid var(--hairline);
    font-family:var(--mono);
    font-size:12.5px;
  }
  .specs-row .k{ color:var(--text-faint); }
  .specs-row .v{ color:var(--text); text-align:right; }

  .cta-btn{
    display:inline-flex;
    align-items:center;
    gap:14px;
    padding:14px 22px;
    border:1px solid var(--accent);
    background:rgba(196,41,31,0.08);
    font-family:var(--mono);
    font-size:12.5px;
    letter-spacing:0.06em;
    text-transform:uppercase;
    color:var(--text);
    transition:background .2s ease, transform .2s ease;
  }
  .cta-btn:hover{
    background:var(--accent);
    color:#fff;
    transform:translateX(2px);
  }
  .cta-btn .v{ color:inherit; font-size:15px; }

  /* ---------- contact ---------- */
  .contact{
    text-align:center;
    padding-bottom:100px;
  }
  .contact h2{
    font-family:var(--serif);
    font-weight:300;
    font-size:clamp(34px,6vw,64px);
    max-width:16ch;
    margin:0 auto 28px;
    line-height:1.15;
  }
  .contact h2 em{ font-style:italic; color:var(--accent); }
  .contact-links{
    display:flex;
    justify-content:center;
    gap:36px;
    flex-wrap:wrap;
    margin-top:44px;
    font-family:var(--mono);
    font-size:13px;
    letter-spacing:0.05em;
  }
  .contact-links a{
    color:var(--text-muted);
    border-bottom:1px solid transparent;
    padding-bottom:4px;
    transition:color .2s ease, border-color .2s ease;
  }
  .contact-links a:hover{ color:var(--accent); border-color:var(--accent); }
  .frame-counter{
    margin-top:60px;
    font-family:var(--mono);
    font-size:11px;
    color:var(--text-faint);
    letter-spacing:0.15em;
  }

  footer{
    border-top:1px solid var(--hairline);
    padding:26px 0;
  }
  .footer-row{
    display:flex;
    justify-content:space-between;
    font-family:var(--mono);
    font-size:11px;
    color:var(--text-faint);
    letter-spacing:0.05em;
    flex-wrap:wrap;
    gap:8px;
  }

  ::selection{ background:var(--accent); color:var(--bg); }

  /* ---------- lightbox ---------- */
  .lightbox{
    position:fixed; inset:0;
    background:rgba(8,7,6,0.96);
    z-index:2000;
    display:flex;
    align-items:center;
    justify-content:center;
    opacity:0;
    pointer-events:none;
    transition:opacity .3s ease;
  }
  .lightbox.is-open{ opacity:1; pointer-events:auto; }
  .lightbox-img{
    max-width:88vw;
    max-height:82vh;
    object-fit:contain;
    box-shadow:0 30px 80px rgba(0,0,0,0.5);
    opacity:0;
    transform:scale(0.98);
    transition:opacity .3s ease, transform .3s ease;
  }
  .lightbox.is-open .lightbox-img{ opacity:1; transform:scale(1); }
  .lightbox-caption{
    position:absolute;
    bottom:36px; left:0; right:0;
    text-align:center;
    font-family:var(--mono);
    font-size:12px;
    letter-spacing:0.06em;
    color:var(--text-muted);
  }
  .lightbox-close{
    position:absolute;
    top:26px; right:32px;
    width:40px; height:40px;
    border:1px solid var(--hairline-strong);
    background:transparent;
    color:var(--text);
    font-size:22px;
    line-height:1;
    cursor:pointer;
    display:flex; align-items:center; justify-content:center;
    transition:border-color .2s ease, color .2s ease;
  }
  .lightbox-close:hover{ border-color:var(--accent); color:var(--accent); }
  .lightbox-nav{
    position:absolute;
    top:50%; transform:translateY(-50%);
    width:48px; height:48px;
    border:1px solid var(--hairline-strong);
    background:rgba(18,17,16,0.6);
    color:var(--text);
    font-family:var(--serif);
    font-size:22px;
    cursor:pointer;
    display:flex; align-items:center; justify-content:center;
    transition:border-color .2s ease, color .2s ease;
  }
  .lightbox-nav:hover{ border-color:var(--accent); color:var(--accent); }
  .lightbox-prev{ left:24px; }
  .lightbox-next{ right:24px; }
  @media (max-width:720px){
    .lightbox-nav{ width:38px; height:38px; font-size:18px; }
    .lightbox-prev{ left:10px; } .lightbox-next{ right:10px; }
    .lightbox-close{ top:16px; right:16px; }
  }
  .photo{ cursor:zoom-in; }