/* NK CONTAINER — identité NK : Jost + émeraude */
:root {
  --em: #1f7a5a;
  --em-dark: #0f3d2e;
  --em-deep: #0a2a20;
  --em-light: #e8f4ef;
  --em-bright: #3fbf8f;
  --ink: #16211d;
  --muted: #5d6b65;
  --line: #dfe7e3;
  --bg: #ffffff;
  --bg-soft: #f5f8f6;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 61, 46, .08);
  --wrap: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: 'Jost', system-ui, sans-serif; font-size: 17px; line-height: 1.6;
  color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--em); text-decoration: none; }
a:hover { color: var(--em-dark); }
h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .5em; font-weight: 600; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); font-weight: 500; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 500; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: #fff; padding: 8px 12px; z-index: 100; }
.ico { width: 22px; height: 22px; flex: none; }

/* Boutons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: 999px;
  background: var(--em); color: #fff; font: 500 1rem 'Jost', sans-serif; border: 2px solid var(--em);
  cursor: pointer; transition: background .2s, transform .2s, color .2s;
}
.btn:hover { background: var(--em-dark); border-color: var(--em-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-ghost:hover { background: #fff; color: var(--em-dark); border-color: #fff; }
.btn-light { background: #fff; color: var(--em-dark); border-color: #fff; }
.btn-light:hover { background: var(--em-light); color: var(--em-dark); border-color: var(--em-light); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }
.btn .ico { width: 18px; height: 18px; }

/* En-tête */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 28px; height: 74px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--em-dark); font-size: 1.15rem; letter-spacing: .14em; }
.logo svg { width: 38px; }
.logo strong { font-weight: 700; }
.logo:hover { color: var(--em-dark); }
.main-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.main-nav ul { list-style: none; display: flex; gap: 24px; margin: 0; padding: 0; }
.main-nav ul a { color: var(--ink); font-weight: 400; padding: 6px 0; border-bottom: 2px solid transparent; }
.main-nav ul a:hover, .main-nav ul a[aria-current] { color: var(--em); border-color: var(--em); }
.btn-nav { padding: 10px 20px; font-size: .95rem; }
.header-tools { display: flex; align-items: center; gap: 14px; }
.lang-switch { display: flex; gap: 2px; font-size: .85rem; font-weight: 500; border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.lang-switch a, .lang-switch span { padding: 3px 10px; border-radius: 999px; color: var(--muted); }
.lang-switch .is-active { background: var(--em-dark); color: #fff; }
.burger { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; padding: 8px; }
.burger span { display: block; height: 2px; background: var(--ink); margin: 5px 0; transition: .25s; }

/* Hero */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(1200px 500px at 85% 10%, rgba(63,191,143,.28), transparent 60%),
              linear-gradient(135deg, var(--em-deep) 0%, var(--em-dark) 55%, var(--em) 130%);
}
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; padding: 90px 24px 100px; }
.kicker { display: inline-block; font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; color: var(--em-bright); margin-bottom: 18px; font-weight: 500; }
.hero p.lead { font-size: 1.15rem; color: rgba(255,255,255,.82); max-width: 520px; font-weight: 300; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-visual { position: relative; }
.hero-visual .stack { position: relative; height: 340px; }
.hero-visual .stack svg { position: absolute; width: 80%; filter: drop-shadow(0 20px 30px rgba(0,0,0,.35)); }
.hero-visual .stack svg:nth-child(1) { left: 0; bottom: 0; }
.hero-visual .stack svg:nth-child(2) { right: 0; bottom: 105px; width: 70%; }
.hero-visual .stack svg:nth-child(3) { left: 14%; bottom: 200px; width: 55%; }

/* USP */
.usp { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.usp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; padding: 40px 24px; }
.usp-item { display: flex; gap: 14px; }
.usp-item .ico-wrap { width: 46px; height: 46px; border-radius: 12px; background: var(--em-light); color: var(--em); display: grid; place-items: center; flex: none; }
.usp-item h3 { font-size: 1rem; margin: 0 0 2px; }
.usp-item p { font-size: .92rem; color: var(--muted); margin: 0; }

/* Sections */
.section { padding: 90px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 38px; flex-wrap: wrap; }
.section-head p { color: var(--muted); max-width: 620px; margin: 0; }
.page-head { background: linear-gradient(135deg, var(--em-deep), var(--em-dark)); color: #fff; padding: 64px 0 56px; }
.page-head p { color: rgba(255,255,255,.8); max-width: 680px; font-size: 1.08rem; font-weight: 300; margin: 0; }
.breadcrumb { font-size: .85rem; margin-bottom: 14px; color: rgba(255,255,255,.65); }
.breadcrumb a { color: rgba(255,255,255,.85); }

/* Catégories */
.cats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cat {
  position: relative; display: flex; flex-direction: column; border-radius: var(--radius); overflow: hidden;
  background: #fff; border: 1px solid var(--line); color: var(--ink); transition: transform .25s, box-shadow .25s;
}
.cat:hover { transform: translateY(-4px); box-shadow: var(--shadow); color: var(--ink); }
.cat-media { background: var(--em-light); padding: 26px 30px 10px; }
.cat-body { padding: 22px 26px 26px; }
.cat-body p { color: var(--muted); margin-bottom: 14px; }
.cat-link { color: var(--em); font-weight: 500; display: inline-flex; gap: 6px; align-items: center; }
.cat-link .ico { width: 18px; }

/* Cartes produits */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .25s, transform .25s; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card-media { position: relative; background: linear-gradient(180deg, #f2f7f4, #e6efea); padding: 22px 26px 8px; aspect-ratio: 4 / 2.7; display: grid; place-items: center; }
.card-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.badge { position: absolute; top: 14px; left: 14px; font-size: .75rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; padding: 4px 11px; border-radius: 999px; background: #fff; color: var(--em-dark); }
.badge-used { background: #eef0ef; color: #46524c; }
.badge-modified { background: #fbf3dc; color: #7a5d0b; }
.badge-new { background: var(--em); color: #fff; }
.card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.card-size { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; }
.card h3 a { color: var(--ink); }
.card h3 a:hover { color: var(--em); }
.card-text { color: var(--muted); font-size: .95rem; flex: 1; }
.card-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; border-top: 1px solid var(--line); padding-top: 16px; }
.price { margin: 0; font-weight: 600; font-size: 1.2rem; color: var(--em-dark); }
.price small { font-weight: 400; font-size: .8rem; color: var(--muted); }

/* Filtres */
.filters { display: flex; flex-wrap: wrap; gap: 12px 26px; align-items: center; margin-bottom: 34px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink); background: #fff; font-size: .95rem; }
.chip:hover { border-color: var(--em); color: var(--em); }
.chip.is-active { background: var(--em-dark); color: #fff; border-color: var(--em-dark); }
.note { font-size: .88rem; color: var(--muted); }

/* Étapes */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; counter-reset: s; }
.step { position: relative; padding: 30px 28px; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); }
.step::before { counter-increment: s; content: "0" counter(s); display: block; font-size: 2.6rem; font-weight: 300; color: var(--em); line-height: 1; margin-bottom: 14px; }
.step p { color: var(--muted); margin: 0; }

/* Bandeau CTA */
.cta-band { background: linear-gradient(120deg, var(--em-dark), var(--em)); color: #fff; border-radius: 22px; padding: 56px; display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap; }
.cta-band p { color: rgba(255,255,255,.85); margin: 0; max-width: 560px; }

/* Fiche produit */
.product { display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; align-items: start; }
.product-media { background: linear-gradient(180deg, #f2f7f4, #e3ede8); border-radius: 20px; padding: 50px 40px 30px; position: relative; }
.product-media .badge { top: 20px; left: 20px; }
.product-info h1 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.product-info .price { font-size: 1.9rem; margin: 18px 0 2px; }
.product-info .note { margin-bottom: 26px; }
.specs { width: 100%; border-collapse: collapse; margin: 10px 0 30px; }
.specs th, .specs td { text-align: left; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: .96rem; }
.specs th { font-weight: 400; color: var(--muted); width: 48%; }
.included { list-style: none; padding: 0; margin: 0 0 30px; }
.included li { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.included .ico { color: var(--em); width: 20px; }
.back-link { display: inline-flex; gap: 6px; align-items: center; margin-bottom: 24px; font-size: .95rem; }
.back-link .ico { transform: rotate(180deg); width: 18px; }

/* Listes / contenu */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; }
.checklist .ico { color: var(--em); margin-top: 2px; }
.info-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.info-card p { color: var(--muted); margin: 0; }
.prose { max-width: 760px; }
.prose p { font-size: 1.08rem; }

/* Contact */
.contact-list { list-style: none; padding: 0; margin: 0 0 26px; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-list .ico { color: var(--em); margin-top: 3px; }
.contact-list small { display: block; color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; }

/* Formulaire */
.form { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 36px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: .9rem; font-weight: 500; margin-bottom: 6px; }
.field label .req { color: var(--em); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid #cfd9d4; border-radius: 10px; font: inherit; font-size: 1rem;
  background: #fbfdfc; color: var(--ink); transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--em); box-shadow: 0 0 0 3px rgba(31,122,90,.15); background: #fff; }
.field.has-error input, .field.has-error select { border-color: #c0392b; }
.field .err { color: #c0392b; font-size: .82rem; margin-top: 4px; display: none; }
.field.has-error .err { display: block; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; color: var(--muted); }
.check input { margin-top: 5px; accent-color: var(--em); width: 18px; height: 18px; }
.check.has-error { color: #c0392b; }
.hp { position: absolute; left: -5000px; }
.alert { padding: 16px 20px; border-radius: 12px; margin-bottom: 24px; font-weight: 500; }
.alert-ok { background: var(--em-light); color: var(--em-dark); border: 1px solid #bfe0d2; }
.alert-err { background: #fdecea; color: #922; border: 1px solid #f5c6c1; }
.side-box { background: var(--em-dark); color: #fff; border-radius: 20px; padding: 32px; }
.side-box h3 { color: #fff; }
.side-box p, .side-box li { color: rgba(255,255,255,.85); }
.side-box a { color: #fff; }
.side-box .ico { color: var(--em-bright); }
.side-box .included li { margin-bottom: 12px; }

/* Pied de page */
.site-footer { background: var(--em-deep); color: rgba(255,255,255,.75); margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding: 64px 24px 40px; }
.logo-light { color: #fff; }
.logo-light:hover { color: #fff; }
.footer-text { margin-top: 16px; max-width: 340px; font-weight: 300; }
.site-footer h4 { color: #fff; font-size: .85rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 500; margin-bottom: 18px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 9px; }
.site-footer a { color: rgba(255,255,255,.78); }
.site-footer a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: center; }
.footer-contact .ico { color: var(--em-bright); width: 18px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid rgba(255,255,255,.1); padding: 22px 24px; font-size: .85rem; }
.footer-bottom p { margin: 0; }

.wa-float { position: fixed; right: 20px; bottom: 20px; width: 56px; height: 56px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 8px 22px rgba(0,0,0,.2); z-index: 40; }
.wa-float:hover { color: #fff; transform: scale(1.05); }
.wa-float .ico { width: 28px; height: 28px; }

.empty { padding: 50px; text-align: center; color: var(--muted); background: var(--bg-soft); border-radius: var(--radius); }

/* Responsive */
@media (max-width: 1020px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .usp-grid { grid-template-columns: repeat(2, 1fr); }
  .main-nav ul { gap: 16px; }
}
@media (max-width: 880px) {
  .burger { display: block; }
  .main-nav {
    position: fixed; inset: 74px 0 auto 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0;
    padding: 10px 24px 26px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    transform: translateY(-120%); transition: transform .3s; margin: 0;
  }
  .main-nav.is-open { transform: none; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav ul a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .btn-nav { margin-top: 18px; justify-content: center; }
  .header-tools { margin-left: auto; }
  body.nav-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.nav-open .burger span:nth-child(2) { opacity: 0; }
  body.nav-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero-inner, .product, .two-col { grid-template-columns: 1fr; }
  .hero-inner { padding: 60px 24px 70px; }
  .hero-visual .stack { height: 260px; }
  .cats, .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .section { padding: 64px 0; }
  .cta-band { padding: 36px 28px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .grid, .usp-grid, .info-cards, .checklist, .form-grid { grid-template-columns: 1fr; }
  .form { padding: 24px 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-visual .stack { height: 210px; }
}

/* Correctifs mobile */
.logo span { white-space: nowrap; }
@media (max-width: 880px) {
  .hero-visual { margin-top: 10px; }
  .hero-visual .stack svg:nth-child(3) { display: none; }
  .hero-visual .stack svg:nth-child(2) { bottom: 80px; width: 62%; }
}
@media (max-width: 600px) {
  .logo { font-size: 1rem; letter-spacing: .1em; }
  .logo svg { width: 32px; }
  .hero-visual .stack { height: 190px; }
  .hero-visual .stack svg:nth-child(2) { bottom: 70px; }
}

.reference-photo{display:block;position:relative;width:100%}.reference-photo img{display:block;width:100%;height:auto;object-fit:cover}.photo-label{position:absolute;z-index:1;left:10px;bottom:10px;background:#fff;color:#173c32;padding:4px 8px;border-radius:6px;font-size:.76rem;font-weight:700}.card-media .reference-photo,.cat-media .reference-photo{position:absolute;inset:0;height:100%}.card-media .reference-photo img,.cat-media .reference-photo img{height:100%;object-fit:cover}.cat-media{position:relative;overflow:hidden}.hero-visual .reference-photo,.product-media .reference-photo{overflow:hidden;border-radius:12px}.hero-visual .reference-photo img{aspect-ratio:4/3}.product-media .reference-photo img{max-height:600px;object-fit:contain}.photo-unavailable{color:#435b52;text-align:center;font-size:.88rem}.card-media:has(.photo-unavailable){aspect-ratio:auto;min-height:85px;padding:24px 16px}.card-media:has(.photo-unavailable) .photo-unavailable{margin-top:20px}.product-media:has(.photo-unavailable){min-height:160px;display:grid;place-items:center}

.studio-photo { background: #fff; }
.card-media .studio-photo img, .cat-media .studio-photo img, .hero-visual .studio-photo img { object-fit: contain; }

.card-media .supplier-photo { background: #fff; }
.card-media .supplier-photo img, .product-media .supplier-photo img { object-fit: contain; }
.product-media .supplier-photo img { max-width: 740px; margin-inline: auto; }