@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:400;font-display:swap;src:url(/static/fonts/cormorant-garamond-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:500;font-display:swap;src:url(/static/fonts/cormorant-garamond-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:600;font-display:swap;src:url(/static/fonts/cormorant-garamond-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Cormorant Garamond";font-style:italic;font-weight:400;font-display:swap;src:url(/static/fonts/cormorant-garamond-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;src:url(/static/fonts/inter-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;src:url(/static/fonts/inter-latin-600-normal.woff2) format("woff2")}

:root{
  --black:#0b0d0c; --black-2:#131715; --ivory:#f4efe4; --paper:#faf7f0; --paper-2:#efe9da;
  --emerald:#0f4c3a; --emerald-2:#1f8a63; --emerald-lt:#7fc7a6;
  --gold:#c9a75c; --gold-dk:#7a5f22; --ink:#17201c; --muted-l:#58625c; --muted-d:#a9b3ac;
  --line-l:#d9d0bb; --line-d:#2a322e;
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:1rem;line-height:1.65;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
body.t-dark{background:var(--black);color:var(--ivory)}
img,svg,picture{max-width:100%;display:block}
img{height:auto}
a{color:var(--emerald);text-underline-offset:.18em}
.t-dark a{color:var(--emerald-lt)}
a:hover{color:var(--gold-dk)} .t-dark a:hover{color:var(--gold)}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:2px}
.t-light :focus-visible{outline-color:var(--emerald)}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--black);padding:.7rem 1rem;z-index:100}
.skip:focus{left:0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:.005em;margin:0 0 .5em}
h1{font-size:clamp(2.4rem,7vw,4.6rem)}
h2{font-size:clamp(1.9rem,4.6vw,3.1rem)}
h3{font-size:1.5rem}
p{margin:0 0 1em}
.wrap{width:min(1180px,100% - 2.4rem);margin-inline:auto}
.narrow-c{max-width:46rem}
.wrap.narrow-c{width:min(46rem,100% - 2.4rem)}
.center{text-align:center}
.small{font-size:.9rem}.muted{color:var(--muted-l)} .t-dark .muted{color:var(--muted-d)}
.mt0{margin-top:0}
.kicker{font-size:.78rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-dk);margin:0 0 1rem;font-weight:600}
.t-dark .kicker,.light .kicker{color:var(--gold)} .light .kicker{color:var(--gold-dk)}
.kicker a{color:inherit}
.lead{font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,1.75rem);line-height:1.4;color:inherit;opacity:.92}
.hint{font-size:.9rem;color:var(--muted-l)} .t-dark .hint{color:var(--muted-d)}

/* ------- header ------- */
.site-header{position:relative;z-index:20;background:var(--paper);border-bottom:1px solid var(--line-l)}
.t-dark .site-header{background:transparent;border-bottom-color:var(--line-d)}
.t-home .site-header{position:absolute;inset:0 0 auto 0;border-bottom:0}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:4.4rem}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--serif);font-size:1.7rem;font-weight:500;text-decoration:none;color:var(--ink);letter-spacing:.04em}
.t-dark .brand{color:var(--ivory)}
.brand svg{width:1.7rem;height:1.7rem}
.nav-toggle{display:none;background:none;border:1px solid currentColor;color:inherit;padding:.5rem .9rem;font:inherit;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;cursor:pointer}
.nav{display:flex;gap:1.7rem;align-items:center}
.nav a{color:inherit;text-decoration:none;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;padding:.4rem 0;border-bottom:1px solid transparent;transition:border-color .3s var(--ease),color .3s}
.nav a:hover,.nav a[aria-current]{color:var(--gold-dk);border-bottom-color:currentColor}
.t-dark .nav a{color:var(--ivory)} .t-dark .nav a:hover,.t-dark .nav a[aria-current]{color:var(--gold)}
@media(max-width:860px){
  .nav-toggle{display:block}
  .js .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:flex-start;gap:0;padding:.5rem 1.2rem 1.2rem;background:var(--paper);border-bottom:1px solid var(--line-l)}
  .js .t-dark .nav,.t-dark.js .nav{background:var(--black-2);border-bottom-color:var(--line-d)}
  .js .nav.open{display:flex}
  .nav a{padding:.9rem 0;width:100%;font-size:.95rem}
  .nav{flex-wrap:wrap;gap:.2rem 1.2rem}
  .js .nav{flex-wrap:nowrap}
}

/* ------- buttons ------- */
.btn{display:inline-block;background:var(--emerald);color:var(--ivory);border:1px solid var(--emerald);padding:.85rem 1.5rem;font:600 .86rem/1.2 var(--sans);letter-spacing:.1em;text-transform:uppercase;text-decoration:none;cursor:pointer;transition:background .3s var(--ease),color .3s,border-color .3s,transform .3s var(--ease);text-align:center}
.btn:hover{background:var(--black);border-color:var(--black);color:var(--gold)}
.t-dark .btn{color:var(--ivory)}
.btn-gold,.t-dark .btn-gold{background:var(--gold);border-color:var(--gold);color:var(--black)}
.btn-gold:hover,.t-dark .btn-gold:hover{background:var(--ivory);border-color:var(--ivory);color:var(--black)}
.btn-ghost{background:transparent;color:var(--emerald);border-color:var(--emerald)}
.btn-ghost:hover{background:var(--emerald);color:var(--ivory);border-color:var(--emerald)}
.btn-ghost-light,.t-dark .btn-ghost{background:transparent;color:var(--ivory);border-color:rgba(244,239,228,.5)}
.btn-ghost-light:hover,.t-dark .btn-ghost:hover{background:var(--ivory);color:var(--black);border-color:var(--ivory)}
.btn-lg{padding:1.1rem 2.2rem;font-size:.95rem}
.btn+.btn{margin-left:.4rem}
@media(max-width:480px){.btn+.btn{margin-left:0;margin-top:.5rem}.btn-lg{width:100%}}

/* ------- hero ------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;overflow:hidden;background:var(--black);color:var(--ivory);isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2;background:var(--black) url(/static/img/facettes.svg) center/cover no-repeat}
.hero-art{position:absolute;z-index:-1;inset:0 0 0 auto;width:min(62vw,900px);-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 40%);mask-image:linear-gradient(90deg,transparent 0,#000 40%)}
.hero-art img,.hero-art picture{width:100%;height:100%;object-fit:cover}
.hero-art::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,13,12,.35) 0,rgba(11,13,12,0) 60%),linear-gradient(0deg,var(--black) 0,rgba(11,13,12,0) 28%)}
@media(max-width:800px){.hero-art{inset:0;width:100%;opacity:.5;-webkit-mask-image:none;mask-image:none}.hero-art::after{background:linear-gradient(0deg,var(--black) 4%,rgba(11,13,12,.35) 70%,rgba(11,13,12,.65))}}
.hero-inner{padding-block:7rem 5rem}
.hero-title{font-size:clamp(3.2rem,10.5vw,8.4rem);line-height:.98;font-weight:400;max-width:11ch;margin-bottom:1.6rem}
.hero-title span{display:block}
.hero-title .gold{color:var(--gold);font-style:italic}
.hero-more{position:absolute;bottom:1.4rem;left:50%;translate:-50% 0;color:var(--gold);font-size:1.6rem;text-decoration:none;opacity:.8}
.hero-cta{margin:0}

/* ------- sections ------- */
.section{padding-block:clamp(4rem,10vw,8rem)}
.section-tight{padding-block:clamp(2.5rem,6vw,4.5rem)}
.section.light,.light{background:var(--paper);color:var(--ink)}
.t-dark .section.light a:not(.btn){color:var(--emerald)}
.t-dark .light .btn{color:var(--ivory)}.t-dark .light .btn:hover{color:var(--gold)}
.t-dark .light .btn-ghost{color:var(--emerald)}.t-dark .light .btn-ghost:hover{color:var(--ivory)}
.principle{background:var(--black)}
.steps-sec{background:var(--black-2);border-block:1px solid var(--line-d)}
.history{background:linear-gradient(180deg,var(--black) 0,#07110d 100%)}
.cta-sec{background:radial-gradient(ellipse at 50% 120%,rgba(31,138,99,.35),rgba(11,13,12,0) 60%),var(--black)}
.cta-row{margin-top:2rem}
.page-head{padding-block:clamp(2.5rem,6vw,5rem) 1rem}
.t-dark .page-head{padding-top:clamp(2.5rem,6vw,4.5rem)}
.crumbs{padding-top:1.4rem;font-size:.85rem;color:var(--muted-l)}.t-dark .crumbs{color:var(--muted-d)}
.crumbs a{color:inherit}
.trio{display:grid;gap:2rem;margin-top:3rem}
@media(min-width:800px){.trio{grid-template-columns:repeat(3,1fr);gap:3rem}}
.trio-item{border-top:1px solid var(--gold);padding-top:1.1rem}
.trio-item h3{color:var(--gold)}
.trio-item p{color:var(--muted-d);margin:0}
.steps{list-style:none;padding:0;margin:2.5rem 0 0;display:grid;gap:2rem;counter-reset:s}
@media(min-width:800px){.steps{grid-template-columns:repeat(4,1fr);gap:2rem}}
.steps li{position:relative;padding-top:1rem;border-top:1px solid var(--line-d)}
.step-n{display:block;font-family:var(--serif);font-size:3.6rem;line-height:1;color:var(--gold);font-style:italic;margin-bottom:.4rem}
.steps h3{font-size:1.45rem}.steps p{color:var(--muted-d);margin:0}
.t-light .steps li{border-top-color:var(--line-l)}.t-light .steps p{color:var(--muted-l)}.t-light .step-n{color:var(--gold-dk)}

/* ------- grille et cartes ------- */
.grid{display:grid;gap:clamp(1.4rem,3vw,2.4rem);grid-template-columns:repeat(auto-fill,minmax(min(100%,270px),1fr));margin-block:2rem}
@media(min-width:1000px){.featured .grid{grid-template-columns:repeat(4,1fr)}}
.card{display:flex;flex-direction:column;min-width:0}
.card-link{display:block;text-decoration:none}
.card-body{padding:1rem .2rem 0;display:flex;flex-direction:column;flex:1}
.card-cat{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-dk);font-weight:600}
.card-name{font-size:1.65rem;margin:.2rem 0 .2rem}
.card-name a{color:inherit;text-decoration:none}.card-name a:hover{color:var(--gold-dk)}
.card-sub{color:var(--muted-l);font-size:.92rem;margin:0 0 .4rem}
.card-price{font-family:var(--serif);font-size:1.5rem;margin:.2rem 0 .8rem;color:var(--emerald);font-weight:600}
.card .talk{margin-top:auto}
.card .btn{width:100%;padding:.7rem .8rem;font-size:.76rem}
.light .card .btn-gold,.t-light .card .btn-gold{background:var(--emerald);border-color:var(--emerald);color:var(--ivory)}
.light .card .btn-gold:hover,.t-light .card .btn-gold:hover{background:var(--black);border-color:var(--black);color:var(--gold)}
.t-dark .card-name a{color:var(--ivory)}
/* planche spécimen */
.plate{margin:0}
.plate-mat{background:var(--ivory);padding:clamp(.5rem,2vw,.9rem);border:1px solid var(--line-l);box-shadow:0 1px 0 rgba(0,0,0,.04),0 18px 40px -22px rgba(0,0,0,.35);transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.plate-mat img{width:100%;aspect-ratio:5/4;object-fit:cover;background:#0b0d0c}
.card-link:hover .plate-mat{transform:translateY(-3px);box-shadow:0 26px 50px -24px rgba(0,0,0,.5)}
.plate-cap{display:flex;justify-content:space-between;gap:1rem;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-l);padding:.55rem .1rem 0;border-top:0}
.t-dark .plate-cap{color:var(--muted-d)} .light .plate-cap{color:var(--muted-l)}
.gem-placeholder{aspect-ratio:5/4;display:grid;place-items:center;background:#0b0d0c}.gem-placeholder svg{width:30%}
.fb-block{border:1px solid var(--line-l);background:var(--paper-2);padding:clamp(1.5rem,4vw,2.6rem);text-align:center}
.fb-block h2{font-size:clamp(1.6rem,3.4vw,2.3rem)}
.chips{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.6rem 0 0}
.chip{display:inline-block;border:1px solid var(--line-l);padding:.45rem 1.1rem;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;color:var(--ink);border-radius:2rem;transition:all .3s}
.chip:hover{border-color:var(--emerald)}
.chip[aria-current]{background:var(--emerald);color:var(--ivory);border-color:var(--emerald)}

/* ------- fiche pièce ------- */
.piece{display:grid;gap:2rem;padding-block:1.5rem 3rem}
@media(min-width:900px){.piece{grid-template-columns:1.1fr 1fr;gap:4rem;align-items:start}.piece-media{position:sticky;top:1.5rem}}
.piece-info h1{font-size:clamp(2.2rem,5vw,3.6rem)}
.piece-price{font-family:var(--serif);font-size:2.4rem;color:var(--emerald);margin:.2rem 0 .1rem;font-weight:600}
.price-note{color:var(--muted-l);font-size:.9rem}
.status-tag{font:600 .7rem var(--sans);letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--gold-dk);color:var(--gold-dk);padding:.2rem .6rem;vertical-align:middle;margin-left:.4rem}
.thumbs{list-style:none;display:flex;gap:.6rem;padding:0;margin:.9rem 0 0;flex-wrap:wrap}
.thumbs a{display:block;border:2px solid transparent}.thumbs a.active{border-color:var(--emerald)}
.thumbs img{width:72px;height:58px;object-fit:cover}
.talk{margin:1.4rem 0 1.8rem;padding:1.2rem 1.3rem;border:1px solid var(--line-l);background:var(--paper-2)}
.talk-compact{margin:0;padding:0;border:0;background:none}
.talk .btn{width:100%}
.talk-note{font-size:.85rem;color:var(--muted-l);margin:.7rem 0 .3rem}
.talk-msg{font-size:.85rem;color:var(--muted-l);margin:0 0 .6rem}.talk-msg-label{font-weight:600}
.talk-alt{margin:.4rem 0 0;font-size:.95rem}
.h-small{font-size:1.5rem;margin-top:1.6rem}
.specs{margin:0;border-top:1px solid var(--line-l)}
.specs div{display:grid;grid-template-columns:minmax(7rem,38%) 1fr;gap:1rem;padding:.65rem 0;border-bottom:1px solid var(--line-l)}
.specs dt{color:var(--muted-l);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase}.specs dd{margin:0}
.prose p{max-width:60ch}.prose.big{font-size:1.15rem}
.prose ol,.prose ul{padding-left:1.2rem;max-width:60ch}.prose li{margin-bottom:.5rem}
.prose h2{font-size:1.9rem;margin-top:1.8em}

/* ------- pierres ------- */
.guide-feature{display:grid;gap:2rem;align-items:center}
@media(min-width:850px){.guide-feature{grid-template-columns:1fr 1fr;gap:4rem}.guide-sec.alt .guide-fig{order:2}}
.guide-figs{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.guide-fig{margin:0;background:radial-gradient(circle at 50% 40%,rgba(31,138,99,.28),rgba(11,13,12,0) 70%);padding:1rem;border:1px solid var(--line-d)}
.guide-fig figcaption{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-d);text-align:center;margin-top:.6rem}
.fig-svg{width:100%;height:auto;max-height:340px}
.values{display:grid;gap:1.6rem 2.4rem;margin-top:2rem}
@media(min-width:700px){.values{grid-template-columns:repeat(2,1fr)}}@media(min-width:1000px){.values{grid-template-columns:repeat(3,1fr)}}
.value{border-top:1px solid var(--gold);padding-top:.9rem}.value h3{color:var(--gold)}.value p{color:var(--muted-d);margin:0}
.t-dark .prose p{color:#d8d3c6}

/* ------- formulaires et tableaux ------- */
.two-col{display:grid;gap:2.4rem}@media(min-width:880px){.two-col{grid-template-columns:1fr 1fr;gap:4rem;align-items:start}}
.form{display:grid;gap:1rem}
.form label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.3rem}
.form input[type=text],.form input[type=email],.form input[type=tel],.form select,.form textarea{width:100%;font:inherit;padding:.75rem .85rem;border:1px solid #8c8672;background:#fff;color:var(--ink);border-radius:2px}
.form textarea{min-height:9rem}
.form .row{display:grid;gap:1rem}@media(min-width:600px){.form .row{grid-template-columns:1fr 1fr}}
.check{display:flex!important;gap:.6rem;align-items:flex-start;font-weight:400!important}.check input{margin-top:.35rem}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.tablewrap{overflow-x:auto}
table.t{border-collapse:collapse;width:100%;font-size:.95rem}
table.t th,table.t td{padding:.5rem .7rem;border-bottom:1px solid var(--line-l);text-align:left}
table.t thead th{font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-l)}
.sizes td,.sizes th{font-variant-numeric:tabular-nums}
.faq{border-bottom:1px solid var(--line-l);padding:.2rem 0}
.faq summary{cursor:pointer;font-family:var(--serif);font-size:1.4rem;padding:.8rem 0;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold-dk);font-size:1.6rem;line-height:1}
.faq[open] summary::after{content:"–"}
.faq p{color:var(--muted-l);padding-bottom:.8rem}
.flashes{width:min(46rem,100% - 2.4rem);margin:1rem auto 0}
.flash{padding:.8rem 1rem;border:1px solid var(--line-l);background:#fff;margin-bottom:.5rem}.flash.error{border-color:#9b2c2c;color:#7a1f1f}
.article-img{margin:0 auto 2rem}
.error-page .code{font-family:var(--serif);font-size:clamp(5rem,18vw,10rem);color:var(--gold);line-height:1;margin:0}

/* ------- pied de page ------- */
.site-footer{background:var(--black);color:var(--muted-d);padding-block:4rem 2rem;margin-top:0;border-top:1px solid var(--line-d)}
.footer-grid{display:grid;gap:2rem}@media(min-width:800px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.4fr}}
.footer-brand{color:var(--ivory)}.footer-tag{max-width:26ch;margin-top:.6rem;font-size:.92rem}
.footer-h{font:600 .74rem var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin:0 0 1rem}
.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin-bottom:.5rem}
.site-footer a{color:var(--ivory);text-decoration:none;font-size:.92rem}.site-footer a:hover{color:var(--gold);text-decoration:underline}
.footer-bottom{display:flex;flex-wrap:wrap;gap:.6rem 2rem;justify-content:space-between;border-top:1px solid var(--line-d);margin-top:3rem;padding-top:1.4rem;font-size:.8rem}

/* ------- bouton flottant + toast ------- */
.fab{display:none}
@media(max-width:860px){
  .fab{display:block;position:fixed;right:.9rem;bottom:.9rem;z-index:40;background:var(--black);color:var(--gold);border:1px solid var(--gold);padding:.7rem 1.1rem;font:600 .78rem var(--sans);letter-spacing:.1em;text-transform:uppercase;text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.4);border-radius:2rem}
  .t-dark .fab:hover,.fab:hover{background:var(--gold);color:var(--black)}
  .site-footer{padding-bottom:6rem}
}
.toast{position:fixed;left:50%;bottom:1.2rem;translate:-50% 0;z-index:60;background:var(--ivory);color:var(--black);border:1px solid var(--gold);padding:.9rem 1.3rem;max-width:min(92vw,28rem);box-shadow:0 12px 34px rgba(0,0,0,.45);font-size:.95rem}
.toast[hidden]{display:none}
@media(max-width:860px){.toast{bottom:4.6rem}}

/* ------- animations douces (désactivées si prefers-reduced-motion) ------- */
@media(prefers-reduced-motion:no-preference){
  .reveal-on .reveal{opacity:0;transform:translateY(18px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
  .reveal-on .reveal.in{opacity:1;transform:none}
  .hero-title span{animation:rise 1.4s var(--ease) both}
  .hero-title span:nth-child(2){animation-delay:.18s}.hero-title span:nth-child(3){animation-delay:.36s}
  .hero-cta{animation:rise 1.4s .6s var(--ease) both}
  .hero-bg{animation:slowzoom 24s ease-in-out infinite alternate}
  @keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
  @keyframes slowzoom{from{transform:scale(1)}to{transform:scale(1.06)}}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.01ms!important;animation:none!important}}
@media print{.site-header,.fab,.toast,.site-footer{display:none}}
.hero.has-art .hero-bg{background:radial-gradient(ellipse 60% 70% at 25% 60%,rgba(15,76,58,.35),rgba(11,13,12,0) 70%),var(--black);animation:none}
.trio~.center,.trio+.center{margin-top:2.6rem}