:root {
  --green: #1f7a3a;
  --green-dark: #155728;
  --green-light: #e8f3ec;
  --steel: #2a3441;
  --steel-light: #4a5666;
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --border: #e3e6eb;
  --text: #1c2230;
  --text-soft: #4a5666;
  --muted: #8089a0;
  --accent: #f4b400;
  --radius: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(20,30,40,.05);
  --shadow: 0 4px 16px rgba(20,30,40,.08);
  --shadow-lg: 0 12px 32px rgba(20,30,40,.12);
  --container: 1180px;
  --header-h: 72px;
  --font: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--green); text-decoration: none; transition: color .15s; }
a:hover { color: var(--green-dark); }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; color: var(--steel); margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 3.8vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
@media (max-width: 600px) { .container { padding-inline: 18px; } }

/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--steel); letter-spacing: -.02em; font-size: 1.25rem; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 8px;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 1rem;
  box-shadow: var(--shadow-sm);
}
.brand-tagline { font-weight: 400; color: var(--text-soft); font-size: .8rem; letter-spacing: 0; }
.nav-menu { display: flex; gap: 8px; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-menu a {
  color: var(--text); padding: 8px 14px; border-radius: var(--radius); font-weight: 500; font-size: .95rem;
}
.nav-menu a:hover { background: var(--bg-alt); color: var(--green); }
.nav-cta { background: var(--green); color: #fff !important; padding: 9px 18px; border-radius: var(--radius); font-weight: 600; }
.nav-cta:hover { background: var(--green-dark); color: #fff !important; }
.menu-toggle { display: none; background: none; border: 0; padding: 6px; cursor: pointer; color: var(--steel); }
@media (max-width: 880px) {
  .menu-toggle { display: block; }
  .nav-menu { position: absolute; left: 0; right: 0; top: var(--header-h); background: #fff; flex-direction: column; gap: 0; padding: 8px; border-bottom: 1px solid var(--border); display: none; }
  .nav-menu.open { display: flex; }
  .nav-menu li { width: 100%; }
  .nav-menu a { padding: 12px 16px; width: 100%; }
}

/* HERO */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #fafbfc 0%, #f4f6f9 100%);
}
.hero-inner { padding: 64px 0 80px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 880px) { .hero-inner { grid-template-columns: 1fr; gap: 36px; padding: 44px 0 48px; } }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px;
  background: var(--green-light); color: var(--green-dark);
  border-radius: 999px; font-size: .82rem; font-weight: 600; letter-spacing: .03em;
  text-transform: uppercase; margin-bottom: 18px;
}
.hero h1 { margin-bottom: 18px; }
.hero h1 .accent { color: var(--green); }
.hero .lead { font-size: 1.1rem; color: var(--text-soft); margin-bottom: 28px; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 540px; padding-top: 20px; border-top: 1px solid var(--border); }
.hero-stats .stat strong { display: block; font-size: 1.6rem; color: var(--green); font-weight: 800; line-height: 1; }
.hero-stats .stat span { color: var(--text-soft); font-size: .85rem; }
.hero-img {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); aspect-ratio: 4/3; background: #eef0f3;
}
.hero-img img { width: 100%; height: 100%; object-fit: cover; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius); font-weight: 600; font-size: .98rem;
  border: 1px solid transparent; cursor: pointer; transition: transform .12s, background .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--green); color: #fff !important; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--green-dark); box-shadow: var(--shadow); }
.btn-outline { background: #fff; border-color: var(--border); color: var(--text) !important; }
.btn-outline:hover { border-color: var(--green); color: var(--green) !important; }

/* SECTIONS */
section { padding: 72px 0; }
@media (max-width: 700px) { section { padding: 56px 0; } }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .eyebrow { color: var(--green); font-weight: 700; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 10px; }
.section-head p { color: var(--text-soft); font-size: 1.05rem; }
.bg-alt { background: var(--bg-alt); }

/* GRID PRODUITS */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width: 900px) { .products-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; } }
@media (max-width: 600px) { .products-grid { grid-template-columns: 1fr; } }
.product-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--green); }
.product-card .img-wrap { aspect-ratio: 4/3; overflow: hidden; background: #eef0f3; }
.product-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.product-card:hover img { transform: scale(1.04); }
.product-card .body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-card .tag { color: var(--green); font-weight: 700; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.product-card h3 { color: var(--steel); margin: 0 0 6px; font-size: 1.15rem; line-height: 1.3; }
.product-card p { color: var(--text-soft); font-size: .95rem; margin: 0 0 12px; flex: 1; }
.product-card .price-row { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.product-card .price { color: var(--steel); font-weight: 800; font-size: 1.2rem; }
.product-card .price small { color: var(--muted); font-weight: 500; font-size: .8rem; display: block; }
.product-card .link { color: var(--green); font-weight: 600; font-size: .9rem; }

/* AVANTAGES */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width: 900px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }
.feature {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px;
}
.feature-icon {
  width: 44px; height: 44px; border-radius: 10px; background: var(--green-light); color: var(--green);
  display: grid; place-items: center; margin-bottom: 16px;
}
.feature h3 { font-size: 1.1rem; margin-bottom: 8px; }
.feature p { color: var(--text-soft); font-size: .95rem; margin: 0; }

/* PROCESS / ÉTAPES */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding-top: 8px; }
.step-num {
  display: inline-grid; place-items: center; width: 42px; height: 42px;
  border-radius: 50%; background: #fff; border: 2px solid var(--green);
  color: var(--green); font-weight: 800; font-size: 1.15rem; margin-bottom: 14px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { color: var(--text-soft); font-size: .92rem; margin: 0; }

/* PRODUCT PAGE */
.product-hero { padding: 48px 0 28px; }
.crumbs { font-size: .88rem; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--text-soft); }
.crumbs a:hover { color: var(--green); }
.crumbs span { margin: 0 6px; }
.product-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .product-layout { grid-template-columns: 1fr; gap: 32px; } }
.product-gallery { border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-alt); box-shadow: var(--shadow); }
.product-gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.product-summary { padding-top: 8px; }
.product-summary h1 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 14px; }
.product-summary .short { color: var(--text-soft); font-size: 1.02rem; }
.product-summary .short p { margin: 0 0 8px; }
.price-block {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  padding: 20px 0; margin: 16px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.price-block .price-main { font-size: 2rem; font-weight: 800; color: var(--steel); }
.price-block .price-old { text-decoration: line-through; color: var(--muted); font-size: 1.1rem; }
.price-block .save { background: var(--green-light); color: var(--green-dark); padding: 4px 10px; border-radius: 4px; font-weight: 700; font-size: .85rem; }
.specs-list { list-style: none; padding: 0; margin: 18px 0 24px; }
.specs-list li { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: .95rem; }
.specs-list li strong { color: var(--steel); font-weight: 600; }
.specs-list li span { color: var(--text-soft); }
.action-row { display: flex; flex-wrap: wrap; gap: 12px; }

.product-content { padding: 56px 0; background: var(--bg-alt); }
.product-content .wrap { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 48px; align-items: start; }
@media (max-width: 900px) { .product-content .wrap { grid-template-columns: 1fr; } }
.prose { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; }
@media (max-width: 600px) { .prose { padding: 24px; } }
.prose h2, .prose h3 { color: var(--steel); margin-top: 28px; }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose h2 { font-size: 1.5rem; padding-bottom: 8px; border-bottom: 2px solid var(--green-light); }
.prose h3 { font-size: 1.15rem; }
.prose p { color: var(--text); line-height: 1.7; }
.prose ul { padding-left: 1.4em; }
.prose li { margin-bottom: 8px; line-height: 1.7; }
.prose img { border-radius: var(--radius); margin: 18px 0; box-shadow: var(--shadow-sm); }
.prose strong { color: var(--steel); font-weight: 700; }
.aside {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px;
  position: sticky; top: calc(var(--header-h) + 20px);
}
.aside h4 { color: var(--steel); margin-bottom: 12px; font-size: 1.05rem; }
.aside p { color: var(--text-soft); font-size: .92rem; margin-bottom: 14px; }

/* CTA BAND */
.cta-band { background: linear-gradient(135deg, var(--steel) 0%, var(--green-dark) 100%); color: #fff; padding: 64px 0; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.85); font-size: 1.1rem; }
.cta-band .btn-primary { background: #fff; color: var(--green-dark) !important; }
.cta-band .btn-primary:hover { background: var(--green-light); }
.cta-band .btn-outline { background: transparent; border-color: rgba(255,255,255,.4); color: #fff !important; }
.cta-band .btn-outline:hover { border-color: #fff; }
.cta-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 28px; }
.cta-row .actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* FOOTER */
.site-footer { background: #0f1620; color: rgba(255,255,255,.7); padding: 64px 0 32px; font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; letter-spacing: .04em; text-transform: uppercase; font-weight: 700; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: rgba(255,255,255,.7); }
.site-footer a:hover { color: var(--accent); }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand-mark { background: linear-gradient(135deg, var(--green) 0%, #2da653 100%); }
.footer-brand strong { color: #fff; font-size: 1.15rem; }
.footer-about p { line-height: 1.6; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .82rem; color: rgba(255,255,255,.5); }

/* TWO-COL TEXT BLOCK */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.split img { border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.split ul { list-style: none; padding: 0; }
.split li { padding-left: 32px; position: relative; margin-bottom: 14px; color: var(--text); }
.split li::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 18px; height: 18px; border-radius: 50%; background: var(--green-light);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231f7a3a'><path d='M6.4 11.6L3.2 8.4l1.1-1.1 2.1 2.1 4.6-4.6 1.1 1.1z'/></svg>");
  background-size: 16px 16px; background-position: center; background-repeat: no-repeat;
}

/* 404 */
.notfound { text-align: center; padding: 80px 24px; }
.notfound h1 { font-size: 5rem; color: var(--green); margin-bottom: 8px; }
.notfound p { color: var(--text-soft); margin-bottom: 28px; font-size: 1.1rem; }