/* Atelier Châtelain — maquette « Essentiel » Artisan (CroisierWeb) */
:root {
  --char: #1e1b18; --char-2: #2a2622; --oak: #c9a47a; --oak-light: #efe4d2; --cream: #f7f2ea; --walnut: #5b3a29; --ash: #e3d3b8;
  --orange: #d9622b; --orange-2: #ef7a3f; --ink: #24201c; --muted: #6e655b; --line: rgba(36, 32, 28, .14);
  --display: "Barlow Condensed", "Arial Narrow", sans-serif; --body: "Source Sans", system-ui, sans-serif;
  --mk-accent: var(--orange); --mk-accent-fg: #fff; --mk-radius: 6px; --mk-font: var(--body);
  --ease: cubic-bezier(.16, 1, .3, 1);
  /* Textures bois en CSS (fil du bois + nœuds) */
  --grain-oak: repeating-linear-gradient(92deg, rgba(120, 80, 40, .0) 0 6px, rgba(120, 80, 40, .18) 7px, rgba(120, 80, 40, .0) 9px 15px), repeating-linear-gradient(88deg, transparent 0 22px, rgba(255, 255, 255, .12) 23px 25px, transparent 26px 40px), radial-gradient(ellipse 18px 9px at 70% 40%, rgba(90, 55, 25, .5), transparent 70%), linear-gradient(180deg, #d2ae84, #b98e5e);
  --grain-walnut: repeating-linear-gradient(91deg, transparent 0 5px, rgba(0, 0, 0, .22) 6px, transparent 8px 13px), repeating-linear-gradient(89deg, transparent 0 30px, rgba(255, 220, 180, .08) 31px 33px, transparent 34px 50px), radial-gradient(ellipse 22px 10px at 30% 60%, rgba(20, 10, 5, .55), transparent 70%), linear-gradient(180deg, #6a4430, #4a2e20);
  --grain-ash: repeating-linear-gradient(90deg, transparent 0 7px, rgba(150, 120, 80, .16) 8px, transparent 10px 18px), repeating-linear-gradient(92deg, transparent 0 40px, rgba(255, 255, 255, .25) 41px 43px, transparent 44px 60px), linear-gradient(180deg, #eadcc3, #d8c4a2);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; overflow-x: clip; }
body { margin: 0; background: var(--cream); color: var(--ink); font: 400 1.08rem/1.65 var(--body); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 800; text-transform: uppercase; letter-spacing: .005em; line-height: .95; }
p { margin: 0 0 1em; }
a { color: inherit; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 clamp(18px, 4vw, 40px); }
.section { padding: clamp(80px, 10vw, 130px) 0; }
.kicker { display: inline-flex; align-items: center; gap: 10px; font: 700 1rem var(--display); letter-spacing: .2em; text-transform: uppercase; color: var(--orange); margin: 0 0 14px; }
.kicker::before { content: ""; width: 26px; height: 3px; background: var(--orange); }
.lead { font-size: 1.18rem; color: var(--muted); max-width: 34rem; }
.section-head { margin-bottom: 44px; }
.section-head h2 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
.section-head.split { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px; }
.section-head.split > p { color: var(--muted); max-width: 22rem; margin: 0; }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 54px; padding: 0 26px; border-radius: 6px; font: 700 1.1rem var(--display); letter-spacing: .1em; text-transform: uppercase; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .3s var(--ease), background .3s, color .3s, box-shadow .3s; }
.btn:hover { transform: translateY(-2px); }
.btn-orange { background: var(--orange); color: #fff; box-shadow: 0 12px 24px -12px rgba(217, 98, 43, .8); }
.btn-orange:hover { background: var(--orange-2); }
.btn-line { border-color: currentColor; color: inherit; }
.btn-dark { background: var(--char); color: #fff; margin-top: 30px; }
.btn-wide { width: 100%; }

/* En-tête */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--char); color: #fff; transition: box-shadow .3s; }
.site-header.is-scrolled { box-shadow: 0 10px 30px -14px rgba(0, 0, 0, .6); }
.header-inner { display: flex; align-items: center; gap: 22px; height: 80px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { display: grid; gap: 3px; width: 40px; }
.brand-mark i { height: 9px; border-radius: 2px; background: var(--grain-oak); }
.brand-mark i:nth-child(2) { background: var(--grain-walnut); margin-left: 6px; }
.brand-mark i:nth-child(3) { background: var(--grain-ash); margin-right: 6px; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text strong { font: 800 1.6rem var(--display); text-transform: uppercase; letter-spacing: .04em; }
.brand-text small { font: 600 .82rem var(--display); letter-spacing: .2em; text-transform: uppercase; color: var(--oak); }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 24px; }
.main-nav a { position: relative; text-decoration: none; font: 700 1.05rem var(--display); letter-spacing: .12em; text-transform: uppercase; color: rgba(255, 255, 255, .75); transition: color .2s; }
.main-nav a:hover, .main-nav a[aria-current] { color: #fff; }
.main-nav a[aria-current]:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 3px; background: var(--orange); }
.main-nav .nav-cta { padding: 10px 18px; border-radius: 6px; background: var(--orange); color: #fff; }
.header-tel { font: 700 1.05rem var(--display); letter-spacing: .08em; text-decoration: none; color: var(--oak); }
.nav-toggle { display: none; margin-left: auto; width: 46px; height: 46px; border-radius: 6px; border: 1px solid rgba(255, 255, 255, .25); background: transparent; position: relative; cursor: pointer; }
.nav-toggle span { position: absolute; left: 12px; right: 12px; height: 2px; background: #fff; transition: transform .3s, top .3s; }
.nav-toggle span:first-child { top: 18px; } .nav-toggle span:last-child { top: 26px; }
.mk-nav-open .nav-toggle span { top: 22px; } .mk-nav-open .nav-toggle span:first-child { transform: rotate(45deg); } .mk-nav-open .nav-toggle span:last-child { transform: rotate(-45deg); }

/* Héros */
.hero { background: var(--char); color: #fff; padding: clamp(50px, 7vw, 100px) 0 0; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.hero h1 { font-size: clamp(3.6rem, 9vw, 7.6rem); margin-bottom: 22px; }
.hero .lead { color: rgba(255, 255, 255, .72); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.planks { position: relative; display: grid; gap: 14px; padding: 20px 0 60px; }
.plank { display: block; height: 62px; border-radius: 4px; box-shadow: 0 18px 30px -16px rgba(0, 0, 0, .8), inset 0 -4px 0 rgba(0, 0, 0, .15); }
.plank.oak { background: var(--grain-oak); width: 92%; transform: rotate(-2deg); }
.plank.walnut { background: var(--grain-walnut); width: 80%; margin-left: 14%; transform: rotate(1.5deg); }
.plank.ash { background: var(--grain-ash); width: 96%; transform: rotate(-1deg); }
.plank.oak2 { background: var(--grain-oak); width: 70%; margin-left: 6%; transform: rotate(2deg); filter: hue-rotate(-8deg) brightness(.9); }
.plank.walnut2 { background: var(--grain-walnut); width: 88%; margin-left: 8%; transform: rotate(-1.5deg); }
.js .planks .plank { opacity: 0; translate: 60px 0; transition: opacity .8s var(--ease), translate 1s var(--ease); }
.js .planks.is-in .plank { opacity: 1; translate: 0 0; }
.js .planks.is-in .plank:nth-child(2) { transition-delay: .1s; } .js .planks.is-in .plank:nth-child(3) { transition-delay: .2s; } .js .planks.is-in .plank:nth-child(4) { transition-delay: .3s; } .js .planks.is-in .plank:nth-child(5) { transition-delay: .4s; }
.stamp { position: absolute; right: 2%; bottom: 10px; display: grid; place-items: center; width: 108px; height: 108px; border-radius: 50%; border: 3px solid var(--orange); color: var(--orange); font: 800 1.15rem/1 var(--display); letter-spacing: .1em; text-align: center; transform: rotate(-12deg); background: rgba(30, 27, 24, .85); }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 60px; border-top: 1px solid rgba(255, 255, 255, .12); }
.facts div { padding: 26px 0 30px; }
.facts dt { font: 800 2.8rem/1 var(--display); color: var(--oak); }
.facts dd { margin: 4px 0 0; color: rgba(255, 255, 255, .65); font-size: .95rem; }

/* Prestations */
.srv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.srv { display: flex; flex-direction: column; overflow: hidden; border-radius: 8px; background: #fff; border: 1px solid var(--line); text-decoration: none; transition: transform .4s var(--ease), box-shadow .4s; }
.srv:hover { transform: translateY(-6px); box-shadow: 0 30px 50px -30px rgba(30, 27, 24, .55); }
.srv-wood { display: block; height: 150px; transition: transform .8s var(--ease); }
.srv:hover .srv-wood { transform: scale(1.06); }
.w1 { background: var(--grain-oak); } .w2 { background: var(--grain-walnut); } .w3 { background: var(--grain-ash); }
.w4 { background: var(--grain-walnut); filter: saturate(.8) brightness(1.15); } .w5 { background: var(--grain-oak); filter: hue-rotate(-10deg) brightness(.85); } .w6 { background: var(--grain-ash); filter: sepia(.4); }
.srv-n { margin: 22px 24px 0; font: 700 .95rem var(--display); letter-spacing: .2em; color: var(--orange); }
.srv h2, .srv h3 { margin: 6px 24px 8px; font-size: 1.9rem; }
.srv p { margin: 0 24px; color: var(--muted); flex: 1; }
.srv-p { margin: 18px 24px 24px; padding-top: 14px; border-top: 1px dashed var(--line); font: 700 1.15rem var(--display); letter-spacing: .06em; text-transform: uppercase; }

.process-sec { background: var(--oak-light); }
.process { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: p; }
.process li { padding: 28px 24px; border-radius: 8px; background: var(--cream); border-top: 4px solid var(--orange); }
.process span { font: 800 3.2rem/1 var(--display); color: var(--oak); }
.process h3 { font-size: 1.6rem; margin: 10px 0 6px; }
.process p { margin: 0; color: var(--muted); }

.wood-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
.wood-slab { aspect-ratio: 4 / 5; border-radius: 8px; background: var(--grain-walnut); box-shadow: 0 40px 60px -30px rgba(30, 27, 24, .7); position: relative; }
.wood-slab::after { content: "CHÊNE · HÊTRE · FRÊNE · NOYER"; position: absolute; left: 22px; bottom: 20px; font: 700 .95rem var(--display); letter-spacing: .2em; color: rgba(255, 255, 255, .8); }
.wood-sec h2 { font-size: clamp(2.6rem, 5vw, 4rem); margin-bottom: 18px; }
.wood-sec p { color: var(--muted); font-size: 1.12rem; }
.review { margin: 26px 0 0; padding: 22px 26px; border-radius: 8px; background: #fff; border-left: 4px solid var(--orange); }
.review p { font-style: italic; color: var(--ink); }
.review footer { font: 700 1rem var(--display); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

.zone-sec { padding-top: 0; }
.zone { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 30px; padding: 30px; border-radius: 8px; background: var(--char); color: #fff; }
.zone h2 { font-size: 2rem; color: var(--oak); }
.zone ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.zone li { padding: 8px 14px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .25); font: 600 1rem var(--display); letter-spacing: .08em; text-transform: uppercase; }

.cta { padding: clamp(70px, 9vw, 110px) 0; background: var(--grain-walnut); color: #fff; }
.cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.cta h2 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
.cta p { margin: 8px 0 0; opacity: .85; max-width: 34rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Pages intérieures */
.page-hero { padding: clamp(60px, 8vw, 110px) 0; background: var(--char); color: #fff; }
.page-hero h1 { font-size: clamp(3.4rem, 8vw, 6.4rem); margin-bottom: 14px; }
.page-hero .lead { color: rgba(255, 255, 255, .72); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.filters button { padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font: 700 1rem var(--display); letter-spacing: .1em; text-transform: uppercase; cursor: pointer; transition: all .2s; }
.filters button.is-on, .filters button:hover { background: var(--char); color: #fff; border-color: var(--char); }
.works { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.work[hidden] { display: none; }
.work-img { position: relative; aspect-ratio: 4 / 3; border-radius: 8px; margin-bottom: 14px; overflow: hidden; box-shadow: inset 0 -60px 60px -40px rgba(0, 0, 0, .5); transition: transform .5s var(--ease); }
.work:hover .work-img { transform: scale(1.02); }
.work-img span { position: absolute; left: 14px; bottom: 12px; padding: 4px 10px; border-radius: 4px; background: var(--orange); color: #fff; font: 700 .9rem var(--display); letter-spacing: .1em; text-transform: uppercase; }
.work h2 { font-size: 1.6rem; margin-bottom: 4px; }
.work p { color: var(--muted); margin: 0; }

.contact-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: start; }
.form { padding: clamp(24px, 4vw, 40px); border-radius: 8px; background: #fff; border: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f { display: block; margin-bottom: 16px; }
.f span { display: block; margin-bottom: 6px; font: 700 1rem var(--display); letter-spacing: .1em; text-transform: uppercase; }
.f input, .f select, .f textarea { width: 100%; padding: 13px 15px; border-radius: 6px; border: 1.5px solid var(--line); background: var(--cream); font: 400 1rem var(--body); color: var(--ink); transition: border-color .2s, box-shadow .2s; }
.f input:focus, .f select:focus, .f textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 4px rgba(217, 98, 43, .15); }
.card-wood { padding: 26px; border-radius: 8px; background: var(--grain-oak); color: var(--ink); box-shadow: 0 20px 40px -24px rgba(0, 0, 0, .5); }
.card-wood p { background: rgba(247, 242, 234, .88); padding: 10px 14px; border-radius: 6px; margin-bottom: 10px; }
.card-wood .footer-h { background: none; padding: 0; color: var(--char); }
.card-wood a { text-decoration: none; font-weight: 700; }
.small { font-size: .92rem; }
.small-zone { margin-top: 20px; flex-direction: column; align-items: flex-start; }

/* Pied de page */
.site-footer { background: var(--char); color: rgba(255, 255, 255, .7); font-size: .97rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-inner { display: grid; grid-template-columns: 1.3fr 1fr 1fr .8fr; gap: 30px; padding-top: 56px; padding-bottom: 30px; }
.footer-name { font: 800 2rem var(--display); text-transform: uppercase; color: #fff; }
.footer-h { font: 700 1rem var(--display); letter-spacing: .16em; text-transform: uppercase; color: var(--oak); }
.footer-nav { display: grid; gap: 6px; align-content: start; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 20px; padding-bottom: 28px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: .88rem; }
.footer-bottom p { margin: 0; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 6px 16px; }