:root {
  --dark: #1e2630;
  --green: #1D9E75;
  --green-light: rgba(29,158,117,0.12);
  --white: #ffffff;
  --gray: #f5f5f3;
  --gray-mid: #e8e8e4;
  --text: #2a2a2a;
  --text-muted: #777;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Open Sans', sans-serif; color: var(--text); background: var(--white); }

/* TOP BAR */
.topbar { background: var(--dark); color: rgba(255,255,255,0.7); font-size: 13px; padding: 8px 0; text-align: center; letter-spacing: 0.03em; }
.topbar span { color: var(--green); font-weight: 500; }

/* HEADER */
header { background: var(--white); border-bottom: 1px solid var(--gray-mid); position: sticky; top: 0; z-index: 100; }
.header-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 32px; }
.logo-wrap { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text .name { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 22px; color: var(--dark); letter-spacing: 4px; }
.logo-text .tagline { font-size: 10px; color: var(--text-muted); letter-spacing: 0.1em; margin-top: 3px; }
nav { display: flex; align-items: center; gap: 32px; }
nav a { text-decoration: none; color: var(--text); font-size: 14px; font-weight: 500; letter-spacing: 0.02em; transition: color 0.2s; }
nav a:hover, nav a.active { color: var(--green); }
.header-cta { display: flex; align-items: center; gap: 16px; }
.btn-devis { background: var(--green); color: white; text-decoration: none; padding: 10px 22px; font-size: 13px; font-weight: 500; letter-spacing: 0.05em; border-radius: 4px; transition: background 0.2s, transform 0.15s; white-space: nowrap; }
.btn-devis:hover { background: #178a64; transform: translateY(-1px); }
.phone { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }

/* BREADCRUMB */
.breadcrumb { background: var(--gray); border-bottom: 1px solid var(--gray-mid); }
.breadcrumb-inner { max-width: 1200px; margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.breadcrumb-inner a { color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.breadcrumb-inner a:hover { color: var(--green); }
.breadcrumb-inner span { color: var(--text); }
.breadcrumb-inner .sep { color: var(--gray-mid); }

/* PRODUCT HERO */
.prod-hero { padding: 64px 24px; }
.prod-hero-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.prod-tag { display: inline-block; font-size: 10px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; background: var(--green-light); color: var(--green); padding: 5px 12px; border-radius: 2px; margin-bottom: 20px; }
.prod-hero h1 { font-family: 'Montserrat', sans-serif; font-size: 52px; font-weight: 900; color: var(--dark); line-height: 1.05; letter-spacing: -0.5px; margin-bottom: 20px; }
.prod-hero p.lead { font-size: 16px; color: var(--text-muted); line-height: 1.75; margin-bottom: 32px; }
.price-block { background: var(--gray); border-radius: 8px; padding: 24px; margin-bottom: 28px; }
.price-label { font-size: 11px; color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }
.price-value { font-family: 'Montserrat', sans-serif; font-size: 40px; font-weight: 900; color: var(--dark); }
.price-note { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.btn-primary { display: inline-block; background: var(--green); color: white; text-decoration: none; padding: 14px 28px; font-size: 14px; font-weight: 500; border-radius: 4px; transition: all 0.2s; letter-spacing: 0.04em; border: none; cursor: pointer; font-family: 'Open Sans', sans-serif; }
.btn-primary:hover { background: #178a64; transform: translateY(-2px); }
.btn-outline { display: inline-block; background: transparent; color: var(--dark); text-decoration: none; padding: 13px 24px; font-size: 14px; font-weight: 500; border-radius: 4px; border: 1px solid var(--gray-mid); margin-left: 12px; transition: all 0.2s; }
.btn-outline:hover { border-color: var(--green); color: var(--green); }

/* IMAGE PLACEHOLDER */
.img-placeholder { background: var(--gray); border-radius: 12px; aspect-ratio: 4/3; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; border: 2px dashed var(--gray-mid); position: relative; overflow: hidden; }
.img-placeholder::before { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(0,0,0,0.02) 20px, rgba(0,0,0,0.02) 40px); }
.img-placeholder .icon { font-size: 48px; opacity: 0.3; }
.img-placeholder .label { font-size: 13px; color: var(--text-muted); text-align: center; line-height: 1.5; }
.img-placeholder .sublabel { font-size: 11px; color: var(--green); background: var(--green-light); padding: 4px 12px; border-radius: 100px; }

.img-placeholder-sm { background: var(--gray); border-radius: 8px; aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; border: 1.5px dashed var(--gray-mid); }
.img-placeholder-sm .icon { font-size: 28px; opacity: 0.3; }
.img-placeholder-sm .label { font-size: 11px; color: var(--text-muted); text-align: center; }

/* FEATURES */
.features-section { background: var(--gray); padding: 72px 24px; }
.features-inner { max-width: 1200px; margin: 0 auto; }
.section-label { font-size: 12px; font-weight: 500; color: var(--green); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 8px; }
.section-title { font-family: 'Montserrat', sans-serif; font-size: 38px; font-weight: 900; color: var(--dark); letter-spacing: -0.5px; margin-bottom: 40px; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: white; border-radius: 8px; padding: 28px; border: 1px solid var(--gray-mid); }
.feature-icon { font-size: 24px; margin-bottom: 14px; }
.feature-title { font-size: 15px; font-weight: 500; color: var(--dark); margin-bottom: 8px; }
.feature-desc { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

/* FORMATS */
.formats-section { padding: 72px 24px; }
.formats-inner { max-width: 1200px; margin: 0 auto; }
.formats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--gray-mid); border: 1px solid var(--gray-mid); margin-top: 40px; }
.format-card { background: white; padding: 28px 24px; }
.format-name { font-family: 'Montserrat', sans-serif; font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.format-dim { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.format-price { font-size: 18px; font-weight: 500; color: var(--green); }
.format-note { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* GALLERY */
.gallery-section { padding: 72px 24px; background: var(--dark); }
.gallery-inner { max-width: 1200px; margin: 0 auto; }
.gallery-inner .section-label { color: var(--green); }
.gallery-inner .section-title { color: white; margin-bottom: 40px; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.gallery-item { border-radius: 8px; overflow: hidden; }

/* RELATED */
.related-section { padding: 72px 24px; }
.related-inner { max-width: 1200px; margin: 0 auto; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.related-card { border: 1px solid var(--gray-mid); border-radius: 8px; overflow: hidden; text-decoration: none; color: var(--text); transition: all 0.2s; }
.related-card:hover { border-color: var(--green); transform: translateY(-3px); }
.related-card-img { aspect-ratio: 4/3; background: var(--gray); display: flex; align-items: center; justify-content: center; font-size: 32px; }
.related-card-body { padding: 16px; }
.related-card-title { font-size: 14px; font-weight: 500; color: var(--dark); margin-bottom: 4px; }
.related-card-price { font-size: 13px; color: var(--green); }

/* CTA BAND */
.cta-band { background: var(--green); padding: 64px 24px; text-align: center; }
.cta-band h2 { font-family: 'Montserrat', sans-serif; font-size: 44px; font-weight: 900; color: white; margin-bottom: 12px; }
.cta-band p { font-size: 15px; color: rgba(255,255,255,0.8); margin-bottom: 28px; }
.btn-white { display: inline-block; background: white; color: var(--green); text-decoration: none; padding: 13px 28px; font-size: 14px; font-weight: 500; border-radius: 4px; transition: all 0.2s; }
.btn-white:hover { background: var(--dark); color: white; }

/* FOOTER */
footer { background: #141920; color: rgba(255,255,255,0.5); padding: 48px 24px 32px; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06); margin-bottom: 24px; }
.footer-brand .name { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 20px; color: white; letter-spacing: 4px; margin-bottom: 12px; }
.footer-brand p { font-size: 13px; line-height: 1.7; max-width: 260px; }
.footer-col h4 { font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.3); margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,0.5); text-decoration: none; font-size: 13px; margin-bottom: 8px; transition: color 0.2s; }
.footer-col a:hover { color: var(--green); }
.footer-bottom { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; font-size: 12px; }
.footer-bottom span.accent { color: var(--green); }


/* BOUTON DEMANDER UN DEVIS - FICHES PRODUITS */
.prod-footer {
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}
.prod-footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.btn-devis-card {
  display: block;
  background: #1D9E75;
  color: white;
  text-decoration: none;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  letter-spacing: 0.04em;
  transition: background 0.2s, transform 0.15s;
  cursor: pointer;
  border: none;
  font-family: 'Open Sans', sans-serif;
  width: 100%;
  text-align: center;
  box-sizing: border-box;
}
.btn-devis-card:hover {
  background: #178a64;
  transform: translateY(-1px);
}