/* ============================================================
   Artisans du Bois site styles
   Palette: walnut / cream / rust / gold
   ============================================================ */
:root{
  --cream:#efe6d6;
  --cream-2:#f6f0e4;
  --paper:#faf6ee;
  --walnut:#2b2018;
  --walnut-2:#3b2c20;
  --rust:#b0612c;
  --gold:#b48d56;
  --gold-soft:#c9b48d;
  --ink:#2b2018;
  --muted:#6a5d4f;
  --muted-light:rgba(247,240,228,.66);
  --maxw:1180px;
  --serif:'Playfair Display',Georgia,serif;
  --serif-2:'Cormorant Garamond',Georgia,serif;
  --sans:'Raleway',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{
  font-family:var(--sans);
  font-weight:300;
  color:var(--ink);
  background:var(--cream);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* ---------- shared ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:96px 0}
.section-eyebrow{
  font-size:12px;font-weight:600;letter-spacing:3.5px;text-transform:uppercase;
  color:var(--rust);margin-bottom:14px;
}
.section-eyebrow.light{color:var(--gold-soft)}
h2{
  font-family:var(--serif);font-weight:400;line-height:1.18;
  font-size:clamp(28px,4vw,44px);color:var(--walnut);letter-spacing:.4px;
}
h2.light{color:var(--cream-2)}
h3{font-family:var(--serif);font-weight:500;font-size:21px}
p{font-size:15.5px}
.rule{display:block;width:54px;height:2px;background:var(--rust);margin:22px 0 26px}
.rule.center{margin:22px auto 28px}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;font-family:var(--sans);font-size:12px;font-weight:600;
  letter-spacing:2.2px;text-transform:uppercase;padding:15px 34px;cursor:pointer;
  border:1px solid transparent;transition:.28s ease;white-space:nowrap;
}
.btn-primary{background:var(--rust);color:#fff;border-color:var(--rust)}
.btn-primary:hover{background:transparent;color:var(--rust)}
.craft .btn-primary:hover,.hero .btn-primary:hover{color:#fff;background:var(--walnut-2);border-color:var(--gold)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--walnut)}

/* ---------- header ---------- */
#header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  transition:background .3s ease,box-shadow .3s ease,padding .3s ease;
  padding:14px 0;
}
#header.scrolled{background:rgba(43,32,24,.96);box-shadow:0 1px 0 rgba(180,141,86,.25);padding:8px 0;backdrop-filter:blur(6px)}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between}
.brand-logo{height:56px;width:auto;transition:height .3s ease;filter:brightness(0) invert(1) sepia(.28) saturate(1.4) hue-rotate(-6deg) brightness(1.04) drop-shadow(0 1px 3px rgba(0,0,0,.55))}
#header.scrolled .brand-logo{height:42px}
nav ul{display:flex;align-items:center;gap:34px;list-style:none}
nav ul li a{
  font-size:12.5px;font-weight:500;letter-spacing:1.8px;text-transform:uppercase;
  color:rgba(255,255,255,.86);padding:6px 0;position:relative;transition:color .2s;
  text-shadow:0 1px 3px rgba(0,0,0,.45);
}
#header.scrolled nav ul li a{text-shadow:none}
nav ul li a:not(.nav-cta)::after{
  content:'';position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--gold);transition:width .25s;
}
nav ul li a:not(.nav-cta):hover::after{width:100%}
nav ul li a.nav-cta{border:1px solid var(--gold);padding:9px 20px;color:#fff}
nav ul li a.nav-cta:hover{background:var(--gold);color:var(--walnut)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:30px;height:24px;position:relative;z-index:1100}
.nav-toggle span{display:block;height:2px;width:100%;background:#fff;margin:5px 0;transition:.3s;border-radius:2px}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;color:#fff;
  background:url('images/hero.jpg') center 30%/cover no-repeat;
}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,14,9,.62),rgba(20,14,9,.42) 45%,rgba(20,14,9,.78))}
.hero-content{position:relative;z-index:2;padding:0 24px;max-width:900px}
.eyebrow{font-family:var(--serif-2);font-style:italic;font-size:21px;letter-spacing:4px;color:var(--gold-soft);margin-bottom:10px}
.hero h1{
  font-family:var(--serif);font-weight:400;font-size:clamp(46px,9vw,104px);
  line-height:1.02;letter-spacing:1px;text-shadow:0 2px 24px rgba(0,0,0,.5);
}
.hero-tagline{
  font-size:clamp(13px,1.7vw,16px);font-weight:300;letter-spacing:4px;text-transform:uppercase;
  margin:22px 0 38px;color:rgba(255,255,255,.9);
}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;font-size:30px;color:rgba(255,255,255,.8);animation:bob 2s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ---------- about ---------- */
.about{background:var(--paper)}
.about-grid{display:grid;grid-template-columns:0.85fr 1fr;gap:64px;align-items:center}
.about-media{position:relative}
.about-media img{width:100%;aspect-ratio:4/5;object-fit:cover;box-shadow:0 24px 50px -24px rgba(43,32,24,.5)}
.about-media::after{content:'';position:absolute;top:18px;left:18px;right:-18px;bottom:-18px;border:1px solid var(--gold);z-index:-1}
.about-text p{margin-bottom:18px;color:var(--muted)}

/* ---------- craftsmanship ---------- */
.craft{
  background:var(--walnut);position:relative;
  background-image:linear-gradient(rgba(43,32,24,.92),rgba(43,32,24,.96)),url('images/walnut.jpg');
  background-size:cover;background-position:center;
}
.craft-head{text-align:center;max-width:760px;margin:0 auto 56px}
.craft-lede{font-family:var(--serif-2);font-style:italic;font-size:21px;color:var(--gold-soft);line-height:1.5}
.craft-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;max-width:920px;margin:0 auto}
.craft-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(180,141,86,.28);
  padding:34px 32px;transition:.3s;
}
.craft-card:hover{background:rgba(180,141,86,.08);border-color:var(--gold);transform:translateY(-4px)}
.craft-card h3{color:var(--gold-soft);margin-bottom:12px}
.craft-card p{color:var(--muted-light);font-size:14.5px}

/* ---------- gallery ---------- */
.gallery{background:var(--cream)}
.gallery-head{text-align:center;max-width:740px;margin:0 auto 38px}
.gallery-lede{color:var(--muted)}
.filters{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:38px}
.filter{
  font-family:var(--sans);font-size:11.5px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;
  background:transparent;border:1px solid rgba(43,32,24,.22);color:var(--muted);
  padding:10px 20px;cursor:pointer;transition:.22s;
}
.filter:hover{border-color:var(--rust);color:var(--rust)}
.filter.active{background:var(--walnut);border-color:var(--walnut);color:var(--cream-2)}
.grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
}
.tile{
  position:relative;overflow:hidden;cursor:pointer;background:var(--walnut);
  aspect-ratio:4/5;
}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease,opacity .4s}
.tile:hover img{transform:scale(1.06)}
.tile-cap{
  position:absolute;left:0;right:0;bottom:0;padding:40px 18px 16px;
  background:linear-gradient(transparent,rgba(20,14,9,.82));
  color:#fff;font-family:var(--serif);font-size:16px;
  opacity:0;transform:translateY(8px);transition:.3s;
}
.tile:hover .tile-cap{opacity:1;transform:none}
.tile-tag{display:block;font-family:var(--sans);font-size:10px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--gold-soft);margin-bottom:3px}
.tile.hide{display:none}

/* ---------- contact ---------- */
.contact{background:var(--paper);padding-bottom:0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contact-info p{color:var(--muted);margin-bottom:8px}
.contact-list{list-style:none;margin-top:30px}
.contact-list li{padding:16px 0;border-top:1px solid rgba(43,32,24,.12);display:flex;flex-direction:column;gap:3px}
.contact-list li:last-child{border-bottom:1px solid rgba(43,32,24,.12)}
.contact-label{font-size:11px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--rust)}
.contact-list a,.contact-list span:not(.contact-label){font-size:16px;color:var(--ink);font-weight:400}
.contact-list a:hover{color:var(--rust)}
.contact-form{display:flex;flex-direction:column;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.contact-form label{font-size:11px;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted)}
.contact-form input,.contact-form textarea{
  font-family:var(--sans);font-size:15px;font-weight:300;padding:13px 15px;
  background:#fff;border:1px solid rgba(43,32,24,.2);color:var(--ink);transition:border-color .2s;
}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--rust)}
.contact-form textarea{resize:vertical;min-height:120px}
.contact-form .btn{align-self:flex-start;border:0}
.form-note{font-size:13.5px;color:var(--rust);min-height:18px}
.map-wrap{line-height:0}
.map-wrap iframe{width:100%;height:380px;border:0;filter:grayscale(.25) sepia(.12)}

/* ---------- footer ---------- */
.footer{background:var(--walnut);color:var(--muted-light);text-align:center;padding:54px 0}
.footer-logo{height:66px;width:auto;margin:0 auto 18px;filter:brightness(0) invert(1) sepia(.28) saturate(1.4) hue-rotate(-6deg) brightness(1.04);opacity:.95}
.footer-tag{font-family:var(--serif-2);font-style:italic;font-size:17px;color:var(--gold-soft);margin-bottom:10px}
.footer-meta{font-size:12.5px;letter-spacing:.5px}
.footer-social{display:flex;justify-content:center;gap:22px;margin:4px 0 18px}
.footer-social a{color:var(--gold-soft);display:inline-flex;transition:color .2s ease,transform .2s ease}
.footer-social a:hover{color:#fff;transform:translateY(-2px)}

/* ---------- lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:2000;background:rgba(15,10,6,.94);
  display:none;align-items:center;justify-content:center;padding:40px;
}
.lightbox.open{display:flex}
.lb-figure{max-width:90vw;max-height:88vh;text-align:center}
.lb-figure img{max-width:100%;max-height:82vh;object-fit:contain;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.lb-figure figcaption{color:var(--gold-soft);font-family:var(--serif);font-size:17px;margin-top:16px}
.lb-close,.lb-prev,.lb-next{
  position:absolute;background:none;border:0;color:rgba(255,255,255,.85);cursor:pointer;transition:color .2s;
}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{color:#fff}
.lb-close{top:24px;right:30px;font-size:42px;line-height:1}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);font-size:60px;padding:0 22px}
.lb-prev{left:10px}.lb-next{right:10px}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- heritage (sepia / old-world) ---------- */
.heritage{
  background:var(--cream);
  background-image:linear-gradient(rgba(243,237,225,.94),rgba(243,237,225,.94)),url('images/walnut.jpg');
  background-size:cover;background-position:center;
}
.heritage-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:54px;align-items:center}
.heritage-atelier{position:relative}
.heritage-atelier img{width:100%;filter:sepia(.45) contrast(1.04);border:1px solid rgba(180,141,86,.32);box-shadow:0 26px 54px -24px rgba(0,0,0,.5)}
.heritage-atelier figcaption{margin-top:15px;font-family:var(--serif-2);font-style:italic;font-size:15.5px;color:var(--muted);line-height:1.55;max-width:560px}
.heritage-atelier figcaption em{color:var(--ink)}
.heritage-text>p{color:var(--muted);font-size:15.5px}
.heritage-text em{font-style:italic;color:var(--ink)}
.heritage-portrait{margin-top:30px;max-width:190px}
.heritage-portrait img{width:100%;filter:sepia(.4);border:6px solid #fff;box-shadow:0 16px 32px -14px rgba(0,0,0,.35);transform:rotate(-2.2deg)}

/* ---------- craftsmanship diagram ---------- */
.craft-body{display:grid;grid-template-columns:minmax(270px,350px) 1fr;gap:42px;align-items:start;max-width:1060px;margin:0 auto}
.craft-diagram{background:#f3ede1;padding:14px;border:1px solid rgba(180,141,86,.4);box-shadow:0 20px 44px -22px rgba(0,0,0,.6)}
.craft-diagram img{width:100%;display:block}
.craft-body .craft-grid{grid-template-columns:1fr;gap:18px;max-width:none;margin:0}

/* ---------- gallery slideshow ---------- */
.slideshow{position:relative;width:100%;height:clamp(300px,54vh,580px);margin-bottom:42px;overflow:hidden;background:var(--walnut);box-shadow:0 20px 44px -24px rgba(0,0,0,.55)}
.slideshow .slide{position:absolute;inset:0;opacity:0;transition:opacity 1.5s ease;background-size:cover;background-position:center 35%}
.slideshow .slide.on{opacity:1}
.slideshow::after{content:'';position:absolute;inset:0;box-shadow:inset 0 0 130px rgba(20,14,9,.55);pointer-events:none}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .about-grid{grid-template-columns:1fr;gap:40px}
  .about-media::after{display:none}
  .heritage-grid{grid-template-columns:1fr;gap:34px}
  .heritage-portrait{margin:24px auto 0}
  .craft-body{grid-template-columns:1fr;gap:30px}
  .craft-diagram{max-width:340px;margin:0 auto}
  .craft-body .craft-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .craft-grid{gap:20px}
}
@media(max-width:760px){
  .section{padding:68px 0}
  .nav-toggle{display:block}
  nav ul{
    position:fixed;top:0;right:-100%;height:100vh;width:74%;max-width:320px;
    flex-direction:column;justify-content:center;gap:30px;
    background:rgba(43,32,24,.99);transition:right .35s ease;padding:40px;
  }
  nav ul.open{right:0}
  nav ul li a{font-size:15px}
  nav ul li a:not(.nav-cta)::after{display:none}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .craft-grid{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .form-row{grid-template-columns:1fr}
  #header{padding:10px 0}
}
@media(max-width:460px){
  .grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;width:100%;max-width:280px;margin:0 auto}
  .btn{width:100%;text-align:center}
}