/* =========================================================================
   ONCE & LEATHER — "Buy once. Carry well."
   Design system : atelier cuir suisse. Palette chaude, serif Fraunces (display)
   + Inter (texte). Reconstruit localement d'après onceandleather.com.
   ========================================================================= */

:root {
  --ink:        #2a201a;   /* espresso — texte */
  --ink-soft:   #5c4f45;
  --ink-faint:  #948779;
  --leather:    #8a5a2b;   /* accent cuir */
  --leather-dk: #6b4420;
  --line:       #e3dccf;
  --paper:      #f6f0e6;   /* crème */
  --paper-2:    #efe7d8;
  --card:       #fbf7ef;

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;

  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 60px);
  --header-h: 66px;
  --t: 300ms; --t-fast: 150ms; --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.65;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.1;margin:0;letter-spacing:-0.01em}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.eyebrow{font-size:11px;letter-spacing:0.22em;text-transform:uppercase;color:var(--leather);font-weight:600;margin:0 0 14px}
.muted{color:var(--ink-soft)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{min-height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-family:var(--font-display);font-weight:600;font-size:20px;letter-spacing:0.02em;white-space:nowrap}
.brand b{color:var(--leather);font-weight:600}
.primary-nav{display:flex;gap:clamp(14px,2vw,28px);align-items:center}
.primary-nav a{font-size:14px;color:var(--ink-soft);transition:color var(--t-fast) var(--ease)}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{color:var(--ink)}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;padding:8px}
.nav-toggle span{display:block;height:1.5px;background:var(--ink);margin:5px 0}

/* Boutons */
.btn{display:inline-block;font-size:13px;letter-spacing:0.04em;font-weight:600;padding:13px 26px;border:1px solid var(--leather);border-radius:2px;transition:all var(--t-fast) var(--ease)}
.btn--fill{background:var(--leather);color:#fff}
.btn--fill:hover{background:var(--leather-dk);border-color:var(--leather-dk)}
.btn--ghost{color:var(--leather)}
.btn--ghost:hover{background:var(--leather);color:#fff}

/* Hero */
.hero{position:relative;min-height:calc(94svh - var(--header-h));display:grid;place-items:center;text-align:center;overflow:hidden;color:#f6f0e6;background:linear-gradient(160deg,#3a2416,#1c110a)}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(60% 50% at 70% 20%, rgba(160,110,60,.35), transparent 60%),
  radial-gradient(50% 60% at 20% 90%, rgba(90,60,30,.4), transparent 60%)}
.hero__inner{position:relative;z-index:2;padding:var(--gutter);max-width:820px}
.hero h1{font-size:clamp(38px,7vw,84px);color:#fbf7ef;font-weight:500}
.hero p{font-size:clamp(15px,1.6vw,19px);color:rgba(251,247,239,.82);margin:18px auto 30px;max-width:52ch}
.hero .btn--ghost{color:#fbf7ef;border-color:rgba(251,247,239,.6)}
.hero .btn--ghost:hover{background:#fbf7ef;color:var(--ink)}

/* Sections */
.section{padding-block:clamp(56px,9vw,116px)}
.section--card{background:var(--paper-2)}
.section__head{max-width:64ch;margin:0 auto clamp(32px,5vw,56px);text-align:center}
.section__title{font-size:clamp(28px,4.4vw,48px)}
.section__lead{margin-top:16px;color:var(--ink-soft);font-size:clamp(15px,1.4vw,18px)}

/* Grille catégories "Find your essential" */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.8vw,20px)}
.cat{position:relative;aspect-ratio:4/3;display:grid;place-items:center;border-radius:3px;overflow:hidden;background:linear-gradient(150deg,var(--leather),var(--leather-dk));color:#fbf7ef;font-family:var(--font-display);font-size:22px;transition:transform var(--t) var(--ease)}
.cat:nth-child(2n){background:linear-gradient(150deg,#7c5a3a,#41291608)}
.cat:hover{transform:translateY(-3px)}
.cat span{position:relative;z-index:2}

/* Piliers */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,40px)}
.pillar h3{font-size:19px;margin-bottom:10px}
.pillar p{color:var(--ink-soft);font-size:15px;margin:0}
.pillar .num{font-family:var(--font-display);color:var(--leather);font-size:14px;letter-spacing:.1em;display:block;margin-bottom:12px}

/* Produit vedette */
.feature{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.feature__art{aspect-ratio:4/3;border-radius:4px;background:linear-gradient(150deg,#8a5a2b,#3a2416)}
.feature h2{font-size:clamp(26px,4vw,42px);margin-bottom:16px}
.feature .price{font-family:var(--font-display);font-size:22px;color:var(--leather);margin:8px 0 20px}

/* Process (5 étapes) */
.steps{display:grid;gap:0;max-width:820px;margin-inline:auto}
.step{display:grid;grid-template-columns:88px 1fr;gap:24px;padding:28px 0;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step__no{font-family:var(--font-display);font-size:34px;color:var(--leather);line-height:1}
.step h3{font-size:20px;margin-bottom:8px}
.step p{color:var(--ink-soft);margin:0;font-size:15px}

/* Boutique */
.shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,32px)}
.product{display:block;background:var(--card);border:1px solid var(--line);border-radius:4px;overflow:hidden;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease)}
.product:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(60,40,20,.12)}
.product__art{aspect-ratio:1/1;background:linear-gradient(150deg,#9c6a3a,#3a2416)}
.product__body{padding:16px 18px 20px}
.product__name{font-family:var(--font-display);font-size:18px;margin:0 0 4px}
.product__desc{color:var(--ink-soft);font-size:13.5px;margin:0 0 12px;min-height:38px}
.product__price{font-weight:600;color:var(--leather)}
.cat-pill{display:inline-block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:8px}

/* Fiche produit */
.pdp{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}
.pdp__art{aspect-ratio:1/1;border-radius:4px;background:linear-gradient(150deg,#9c6a3a,#3a2416)}
.pdp h1{font-size:clamp(28px,4vw,42px);margin-bottom:8px}
.pdp .price{font-family:var(--font-display);font-size:24px;color:var(--leather);margin:6px 0 22px}
.pdp ul{padding-left:18px;color:var(--ink-soft)}

/* FAQ */
.faq{max-width:760px;margin-inline:auto}
.faq details{border-top:1px solid var(--line);padding:18px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{font-family:var(--font-display);font-size:19px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--leather);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--ink-soft);margin:14px 0 0}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,72px)}
.field{margin-bottom:18px}
.field label{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:8px}
.field input,.field textarea{width:100%;font:inherit;color:var(--ink);border:1px solid var(--line);background:var(--card);border-radius:3px;padding:11px 13px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--leather)}
.field textarea{resize:vertical;min-height:130px}
.contact-detail{margin-bottom:20px}
.contact-detail dt{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:4px}
.contact-detail dd{margin:0;font-size:16px}

/* Prose (makers) */
.prose{max-width:720px;margin-inline:auto}
.prose p{color:var(--ink-soft);font-size:17px;margin:0 0 20px}
.prose p.lead{color:var(--ink);font-size:clamp(19px,2vw,24px);font-family:var(--font-display)}

/* Footer */
.site-footer{background:linear-gradient(160deg,#2a1a10,#1a1009);color:#d9ccbb;padding-block:52px 40px;margin-top:clamp(40px,6vw,80px)}
.site-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.site-footer .brand{color:#fbf7ef}
.site-footer h4{font-family:var(--font-sans);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#a8977f;margin:0 0 14px}
.site-footer a{display:block;color:#d9ccbb;font-size:14px;padding:5px 0;transition:color var(--t-fast)}
.site-footer a:hover{color:#fff}
.site-footer .tag{font-family:var(--font-display);font-size:20px;color:#fbf7ef;margin:0 0 10px}
.colophon{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:#a8977f;font-size:13px}
.lang-switch a{display:inline;padding:0 4px}
.lang-switch a[aria-current="true"]{color:#fff;font-weight:600}

@media(max-width:900px){
  .feature,.pdp,.contact-grid{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr 1fr}
  .cat-grid,.shop-grid{grid-template-columns:1fr 1fr}
  .site-footer .wrap{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .nav-toggle{display:block}
  .primary-nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:var(--paper);flex-direction:column;padding:12px var(--gutter);border-bottom:1px solid var(--line);gap:6px}
  .primary-nav.is-open{display:flex}
  .cat-grid,.shop-grid,.pillars{grid-template-columns:1fr}
  .step{grid-template-columns:56px 1fr;gap:16px}
  .site-footer .wrap{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{transition-duration:.001ms!important;animation-duration:.001ms!important}}

/* ============ Retours visuels (18.07.2026) ============ */
/* Emblème bec-en-sabot sur le hero */
.hero-emblem{height:88px;width:auto;margin:0 auto 22px;display:block;opacity:.95}

/* Tuiles catégories : line-art fine (remplace les dégradés) */
.cat{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--card);border:1px solid var(--line);color:var(--ink);
  aspect-ratio:4/3;font-family:var(--font-display);font-size:17px;text-align:center;padding:16px}
.cat:hover{background:#fff;transform:translateY(-3px)}
.cat .cat-ico{width:48px;height:48px;color:var(--leather)}
.cat .cat-ico svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}

/* Filtre boutique */
.shopfilter{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:center;margin-bottom:34px}
.shopfilter button{background:none;border:0;font:inherit;font-size:13px;letter-spacing:.06em;
  color:var(--ink-faint);padding:6px 2px;cursor:pointer;border-bottom:1.5px solid transparent;transition:color .15s,border-color .15s}
.shopfilter button:hover{color:var(--ink)}
.shopfilter button[aria-pressed="true"]{color:var(--leather);border-color:var(--leather)}
.product[hidden]{display:none}

/* Reveal au scroll (The Making) */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
.mk-steps{max-width:980px;margin-inline:auto}
.mk-step{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,60px);align-items:center;margin-bottom:clamp(44px,7vw,96px)}
.mk-step:nth-child(even) .mk-img{order:2}
.mk-img{aspect-ratio:4/3;border-radius:4px;background-size:cover;background-position:center;background-color:var(--paper-2)}
.mk-step .no{font-family:var(--font-display);color:var(--leather);font-size:15px;letter-spacing:.12em}
.mk-step h3{font-size:clamp(20px,2.4vw,26px);margin:8px 0 12px}
.mk-step p{color:var(--ink-soft);margin:0}
@media(max-width:760px){.mk-step{grid-template-columns:1fr;gap:16px}.mk-step:nth-child(even) .mk-img{order:0}}
/* Footer 4 colonnes (ajout Legal) */
.site-footer .wrap{grid-template-columns:1.4fr 1fr 1fr 1fr}
@media(max-width:900px){.site-footer .wrap{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.site-footer .wrap{grid-template-columns:1fr}}
.cat:nth-child(2n){background:var(--card)}
.cat:nth-child(2n):hover{background:#fff}

/* Boutons centrés */
.center{text-align:center}
/* Tuiles catégories : flip vers l'emblème shoebill au survol */
.cat{display:block;background:none;border:0;padding:0;aspect-ratio:4/3;perspective:1000px}
.cat:hover,.cat:nth-child(2n),.cat:nth-child(2n):hover{background:none;transform:none}
.cat-inner{position:relative;width:100%;height:100%;transition:transform .6s var(--ease);transform-style:preserve-3d}
.cat:hover .cat-inner,.cat:focus-visible .cat-inner{transform:rotateY(180deg)}
.cat-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px solid var(--line);border-radius:3px;overflow:hidden}
.cat-front{background:var(--card);color:var(--ink)}
.cat-label{font-family:var(--font-display);font-size:17px}
.cat-back{transform:rotateY(180deg);background:linear-gradient(150deg,var(--leather),var(--leather-dk))}
.cat-back img{height:60%;width:auto;opacity:.96}

/* Fix flip : forcer les faces en absolu (l'emporte sur .cat span{position:relative}) */
.cat .cat-inner{position:relative}
.cat .cat-face{position:absolute;inset:0}
.cat .cat-back img{height:66%}

/* Fix taille tuiles flip : la hauteur vient de .cat-inner (aspect-ratio en bloc) */
.cat{aspect-ratio:auto}
.cat-grid{align-items:start}
.cat .cat-inner{display:block;width:100%;height:auto;aspect-ratio:4/3}

/* Fix 3D : pas d'overflow:hidden sur .cat (sinon le contexte 3D s'aplatit et le dos s'affiche) */
.cat{overflow:visible}

/* Flip robuste (sans dépendre de backface-visibility) : face avant visible par défaut */
.cat-face{backface-visibility:visible;-webkit-backface-visibility:visible}
.cat-front{opacity:1;transition:opacity .3s var(--ease) .18s}
.cat-back{opacity:0;transition:opacity .3s var(--ease)}
.cat:hover .cat-front,.cat:focus-visible .cat-front{opacity:0;transition-delay:0s}
.cat:hover .cat-back,.cat:focus-visible .cat-back{opacity:1;transition-delay:.18s}