/* ===== DESIGN TOKENS ===== */
:root {
  --vert:       #1A6B3C;
  --vert-clair: #E8F4ED;
  --anthracite: #1E2226;
  --blanc:      #FFFFFF;
  --gris-fond:  #F5F5F5;
  --gris-texte: #555555;
  --gris-sep:   #DDDDDD;
  --auris-bleu: #2F2C41;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 2px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.14);
  --nav-h: 68px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--gris-texte); background: var(--blanc); font-size: 17px; line-height: 1.7; }

/* ===== NAV ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gris-sep);
  transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.10); }
.nav-logo { font-weight: 800; font-size: 1.2rem; color: var(--anthracite); text-decoration: none; letter-spacing: -0.02em; flex-shrink: 0; }
.nav-logo .deg { color: var(--vert); }
.nav-links { display: flex; gap: 24px; list-style: none; position: absolute; left: 50%; transform: translateX(-50%); }
.nav-links a { color: var(--gris-texte); text-decoration: none; font-size: 0.84rem; font-weight: 500; border-bottom: 2px solid transparent; padding-bottom: 2px; transition: color 0.2s, border-color 0.2s; white-space: nowrap; }
.nav-links a:hover { color: var(--vert); border-color: var(--vert); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.btn-clients { background: var(--vert); color: var(--blanc); border: none; padding: 6px 12px; border-radius: var(--radius); font-size: 0.78rem; font-weight: 600; cursor: pointer; font-family: var(--font); transition: background 0.2s; }
.btn-clients:hover { background: #155730; }
.btn-contact-nav { background: transparent; color: var(--anthracite); border: 1.5px solid var(--anthracite); padding: 5px 12px; border-radius: var(--radius); font-size: 0.78rem; font-weight: 600; cursor: pointer; font-family: var(--font); transition: all 0.2s; }
.btn-contact-nav:hover { background: var(--anthracite); color: var(--blanc); }
.btn-contact-nav.btn-full { display: block; width: 100%; text-align: center; }

/* ===== SECTIONS ===== */
section { scroll-margin-top: var(--nav-h); }
.section-inner { max-width: 1140px; margin: 0 auto; padding: 88px 40px; }
.section-eyebrow { font-size: 0.88rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--vert); margin-bottom: 12px; }
.section-title { font-size: 2.6rem; font-weight: 700; color: var(--anthracite); line-height: 1.15; margin-bottom: 16px; letter-spacing: -0.02em; }
.section-intro { font-size: 1.02rem; color: var(--gris-texte); max-width: 600px; margin-bottom: 52px; line-height: 1.75; }

/* ===== HERO ===== */
#hero { min-height: 100vh; position: relative; display: flex; align-items: flex-end; overflow: hidden; }
.hero-carousel { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  transition: opacity 1.4s ease-in-out;
}
.hero-slide.active { opacity: 1; }
.hero-overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(to top, rgba(20,28,22,0.88) 0%, rgba(20,28,22,0.45) 50%, rgba(20,28,22,0.2) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 1140px; margin: 0 auto; padding: 0 40px 80px; width: 100%; }
.hero-eyebrow { display: inline-block; background: rgba(26,107,60,0.75); border: 1px solid rgba(26,107,60,0.9); color: rgba(255,255,255,0.92); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; padding: 5px 14px; margin-bottom: 22px; }
.hero-title { font-size: clamp(2.6rem, 4.5vw, 4.2rem); font-weight: 800; color: var(--blanc); line-height: 1.07; letter-spacing: -0.03em; margin-bottom: 20px; max-width: 720px; }
.hero-subtitle { font-size: 1.1rem; color: rgba(255,255,255,0.72); max-width: 540px; margin-bottom: 36px; line-height: 1.65; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 52px; }
.btn-primary { background: var(--vert); color: var(--blanc); border: none; padding: 13px 26px; border-radius: var(--radius); font-size: 0.93rem; font-weight: 600; cursor: pointer; font-family: var(--font); transition: background 0.2s, transform 0.15s; text-decoration: none; display: inline-block; }
.btn-primary:hover { background: #155730; transform: translateY(-1px); }
.btn-outline-white { background: transparent; color: var(--blanc); border: 1.5px solid rgba(255,255,255,0.5); padding: 12px 26px; border-radius: var(--radius); font-size: 0.93rem; font-weight: 500; cursor: pointer; font-family: var(--font); transition: all 0.2s; text-decoration: none; display: inline-block; }
.btn-outline-white:hover { border-color: var(--blanc); background: rgba(255,255,255,0.1); }
.hero-stats { display: flex; gap: 44px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.15); flex-wrap: wrap; }
.hero-stat-num { font-size: 2.4rem; font-weight: 800; color: var(--blanc); letter-spacing: -0.03em; line-height: 1; display: block; }
.hero-stat-num .hi { color: #6FCF97; }
.hero-stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.55); margin-top: 4px; }
.carousel-dots { position: absolute; bottom: 28px; left: 40px; z-index: 2; display: flex; gap: 8px; }
.cdot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.35); cursor: pointer; transition: all 0.25s; border: none; padding: 0; }
.cdot.active { background: var(--blanc); transform: scale(1.35); }
.hero-scroll { position: absolute; bottom: 28px; right: 40px; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 5px; }
.hero-scroll span { font-size: 0.67rem; color: rgba(255,255,255,0.4); letter-spacing: 0.1em; text-transform: uppercase; }
.scroll-line { width: 1px; height: 36px; background: rgba(255,255,255,0.25); animation: scrollPulse 1.8s ease-in-out infinite; }
@keyframes scrollPulse { 0%,100%{opacity:0.25;} 50%{opacity:0.75;} }

/* ===== MÉTRIQUES ===== */
#chiffres { background: var(--blanc); border-top: 1px solid var(--gris-sep); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric-item { padding: 52px 28px; border-right: 1px solid var(--gris-sep); text-align: center; }
.metric-item:last-child { border-right: none; }
.metric-num { font-size: 3.4rem; font-weight: 800; color: var(--vert); letter-spacing: -0.04em; line-height: 1; display: block; margin-bottom: 8px; }
.metric-label { font-size: 0.84rem; color: var(--gris-texte); line-height: 1.5; }
.metric-source { font-size: 0.69rem; color: #AAA; margin-top: 4px; font-style: italic; }

/* ===== ENJEUX ===== */
#enjeux { background: var(--gris-fond); }
.enjeux-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 36px; }
.enjeu-card { background: var(--blanc); padding: 28px 24px; border-top: 3px solid var(--vert); }
.enjeu-stat { font-size: 2.4rem; font-weight: 800; color: var(--vert); letter-spacing: -0.03em; line-height: 1; display: block; margin-bottom: 8px; }
.enjeu-desc { font-size: 0.87rem; color: var(--gris-texte); line-height: 1.6; }
.enjeu-source { font-size: 0.69rem; color: #AAA; margin-top: 8px; font-style: italic; }
.canicule-def { background: var(--anthracite); color: rgba(255,255,255,0.82); padding: 28px 36px; display: flex; gap: 20px; align-items: flex-start; margin-bottom: 18px; }
.canicule-def .cd-icon { font-size: 1.8rem; flex-shrink: 0; }
.canicule-def strong { display: block; font-size: 0.88rem; font-weight: 700; color: var(--blanc); margin-bottom: 6px; }
.canicule-def p { font-size: 0.84rem; line-height: 1.65; }
.regle-bloc { background: var(--vert-clair); border-left: 4px solid var(--vert); padding: 28px 36px; }
.regle-bloc h4 { font-size: 0.78rem; font-weight: 700; color: var(--vert); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; }
.regle-items { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.regle-item { display: flex; gap: 12px; align-items: flex-start; }
.regle-dot { width: 26px; height: 26px; background: var(--vert); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.68rem; font-weight: 700; color: var(--blanc); flex-shrink: 0; margin-top: 2px; }
.regle-text strong { display: block; font-size: 0.84rem; font-weight: 700; color: var(--anthracite); }
.regle-text span { font-size: 0.79rem; color: var(--gris-texte); }

/* ===== SERVICES ===== */
#services { background: var(--blanc); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.service-card { background: var(--gris-fond); padding: 40px 32px; border-top: 3px solid transparent; transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s; }
.service-card:hover { border-top-color: var(--vert); box-shadow: var(--shadow-lg); transform: translateY(-4px); background: var(--blanc); }
.service-icon { width: 42px; height: 42px; margin-bottom: 20px; color: var(--vert); }
.service-icon svg { width: 100%; height: 100%; }
.service-name { font-size: 1.15rem; font-weight: 700; color: var(--anthracite); margin-bottom: 10px; letter-spacing: -0.01em; }
.service-desc { font-size: 0.87rem; color: var(--gris-texte); line-height: 1.65; margin-bottom: 22px; }
.service-link { font-size: 0.84rem; font-weight: 600; color: var(--vert); background: none; border: 1.5px solid var(--vert); padding: 8px 16px; cursor: pointer; font-family: var(--font); transition: all 0.2s; display: inline-block; }
.service-link:hover { background: var(--vert); color: var(--blanc); }
.philo-bloc { background: var(--vert-clair); border-left: 4px solid var(--vert); padding: 32px 36px; margin-top: 48px; }
.philo-bloc h3 { font-size: 0.95rem; font-weight: 700; color: var(--vert); margin-bottom: 10px; }
.philo-bloc p { font-size: 0.93rem; color: var(--gris-texte); max-width: 780px; line-height: 1.7; }
.financements-row { display: flex; gap: 9px; flex-wrap: wrap; align-items: center; margin-top: 18px; }
.fin-tag { background: var(--blanc); color: var(--vert); border: 1px solid var(--vert); padding: 4px 12px; font-size: 0.77rem; font-weight: 600; }
.fin-label { font-size: 0.82rem; color: var(--gris-texte); margin-right: 6px; }
.fin-help { font-size: 0.84rem; color: var(--gris-texte); margin-top: 12px; font-style: italic; }
.fin-help a { color: var(--vert); text-decoration: underline; cursor: pointer; }

/* ===== MÉTHODE ===== */
#methode { background: var(--gris-fond); }
.methode-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.methode-badge { background: var(--vert); color: var(--blanc); padding: 7px 16px; font-size: 0.83rem; font-weight: 600; }
.dimensions-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 52px; }
.dim-card { background: var(--blanc); border: 1px solid var(--gris-sep); padding: 24px 16px; text-align: center; transition: border-color 0.2s, transform 0.2s; }
.dim-card:hover { border-color: var(--vert); transform: translateY(-3px); }
.dim-icon { font-size: 1.7rem; margin-bottom: 10px; display: block; }
.dim-name { font-size: 0.86rem; font-weight: 700; color: var(--anthracite); margin-bottom: 4px; }
.dim-pct { font-size: 1.4rem; font-weight: 800; color: var(--vert); letter-spacing: -0.02em; }
.dim-desc { font-size: 0.75rem; color: var(--gris-texte); margin-top: 7px; line-height: 1.4; }
.comment-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gris-texte); margin-bottom: 22px; padding-bottom: 10px; border-bottom: 1px solid var(--gris-sep); }
.etapes-row { display: grid; grid-template-columns: repeat(5, 1fr); position: relative; }
.etapes-row::before { content: ''; position: absolute; top: 23px; left: 10%; width: 80%; height: 1px; background: var(--vert); }
.etape { text-align: center; padding: 0 14px; position: relative; }
.etape-num { width: 46px; height: 46px; border-radius: 50%; background: var(--vert); color: var(--blanc); font-size: 1.05rem; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; border: 3px solid var(--gris-fond); outline: 2px solid var(--vert); position: relative; z-index: 1; }
.etape-title { font-size: 0.88rem; font-weight: 700; color: var(--anthracite); margin-bottom: 5px; }
.etape-desc { font-size: 0.77rem; color: var(--gris-texte); line-height: 1.45; }

/* ===== RÉFÉRENCES ===== */
#references { background: var(--blanc); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-bottom: 28px; }
.project-card { background: var(--gris-fond); overflow: hidden; transition: transform 0.2s, box-shadow 0.2s; }
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.project-img { height: 170px; display: flex; align-items: center; justify-content: center; font-size: 3rem; position: relative; }
.project-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to bottom, transparent 50%, rgba(30,34,38,0.6)); }
.project-badge { position: absolute; bottom: 10px; left: 14px; z-index: 1; background: var(--vert); color: var(--blanc); font-size: 0.69rem; font-weight: 700; padding: 3px 9px; }
.project-body { padding: 20px 20px 24px; background: var(--blanc); }
.project-type { font-size: 0.69rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--vert); margin-bottom: 4px; }
.project-name { font-size: 0.95rem; font-weight: 700; color: var(--anthracite); margin-bottom: 6px; line-height: 1.3; }
.project-desc { font-size: 0.8rem; color: var(--gris-texte); line-height: 1.55; margin-bottom: 12px; }
.project-score { display: flex; gap: 12px; padding-top: 10px; border-top: 1px solid var(--gris-sep); }
.score-letter { font-size: 1.4rem; font-weight: 800; line-height: 1; display: block; }
.score-letter.before { color: #C0392B; }
.score-letter.after { color: var(--vert); }
.score-desc { font-size: 0.66rem; color: var(--gris-texte); }
.score-arrow { font-size: 1rem; color: var(--gris-sep); align-self: center; }
.ref-placeholder { background: var(--gris-fond); border: 1.5px dashed var(--gris-sep); padding: 44px 36px; text-align: center; }
.ref-placeholder p { color: var(--gris-texte); font-size: 0.87rem; }
.benchmark-bloc { background: var(--vert-clair); border-left: 4px solid var(--vert); padding: 24px 32px; margin-top: 18px; }
.benchmark-bloc h4 { font-size: 0.9rem; font-weight: 700; color: var(--vert); margin-bottom: 9px; }
.benchmark-bloc p { font-size: 0.86rem; color: var(--gris-texte); line-height: 1.65; }
.benchmark-filters { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 10px; }
.bench-filt { background: var(--blanc); border: 1px solid var(--vert); color: var(--vert); padding: 3px 11px; font-size: 0.77rem; font-weight: 600; }

/* ===== POURQUOI ===== */
#pourquoi { background: var(--anthracite); }
#pourquoi .section-title { color: var(--blanc); }
#pourquoi .section-eyebrow { color: #6FCF97; }
#pourquoi .section-intro { color: rgba(255,255,255,0.6); }
.args-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,0.06); }
.arg-card { background: var(--anthracite); padding: 32px 28px; transition: background 0.2s; }
.arg-card:hover { background: rgba(255,255,255,0.05); }
.arg-icon { font-size: 1.7rem; margin-bottom: 14px; display: block; }
.arg-title { font-size: 0.93rem; font-weight: 700; color: var(--blanc); margin-bottom: 8px; }
.arg-desc { font-size: 0.83rem; color: rgba(255,255,255,0.55); line-height: 1.6; }

/* ===== QUI SOMMES-NOUS ===== */
#qui { background: var(--blanc); }
.qui-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 72px; align-items: start; }
.qui-texte p { font-size: 0.95rem; color: var(--gris-texte); line-height: 1.75; margin-bottom: 16px; }
.qui-texte strong { color: var(--anthracite); }
.qui-tagline { font-size: 1.05rem; font-weight: 700; color: var(--vert); border-left: 3px solid var(--vert); padding-left: 18px; margin-top: 24px; line-height: 1.4; }
.auris-link { color: var(--vert); text-decoration: none; font-weight: 600; border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.auris-link:hover { border-color: var(--vert); }
.timeline { display: flex; flex-direction: column; }
.tl-item { display: flex; gap: 18px; padding-bottom: 20px; position: relative; }
.tl-item:not(:last-child)::after { content: ''; position: absolute; left: 17px; top: 38px; width: 1px; height: calc(100% - 8px); background: var(--gris-sep); }
.tl-dot { width: 36px; height: 36px; border-radius: 50%; background: var(--vert); display: flex; align-items: center; justify-content: center; font-size: 0.6rem; font-weight: 800; color: var(--blanc); flex-shrink: 0; z-index: 1; }
.tl-text strong { display: block; font-size: 0.87rem; font-weight: 700; color: var(--anthracite); }
.tl-text span { font-size: 0.79rem; color: var(--gris-texte); line-height: 1.5; }
.carte-wrapper { background: var(--gris-fond); padding: 20px; margin-top: 24px; border: 1px solid var(--gris-sep); }
.carte-title { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gris-texte); margin-bottom: 10px; }
.carte-wrapper img { width: 100%; height: auto; display: block; }
.couverture-note { font-size: 0.72rem; color: #AAA; margin-top: 8px; text-align: center; font-style: italic; }

/* ===== BLOG ===== */
#blog { background: var(--gris-fond); }
.blog-filters { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 32px; }
.filt { background: var(--blanc); border: 1px solid var(--gris-sep); color: var(--gris-texte); padding: 6px 15px; font-size: 0.81rem; font-weight: 500; cursor: pointer; font-family: var(--font); transition: all 0.2s; }
.filt.active, .filt:hover { background: var(--vert); border-color: var(--vert); color: var(--blanc); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.blog-card { background: var(--blanc); overflow: hidden; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; position: relative; }
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.blog-img { height: 118px; display: flex; align-items: center; justify-content: center; font-size: 2.5rem; }
.blog-img.reg { background: #1A3A28; }
.blog-img.fin { background: #1E2A3A; }
.blog-img.sol { background: #2A3A1E; }
.blog-img.ret { background: #3A2A1E; }
.blog-body { padding: 16px 18px 20px; }
.blog-cat { font-size: 0.67rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 2px 7px; display: inline-block; margin-bottom: 7px; }
.blog-cat.reg { background: var(--vert-clair); color: var(--vert); }
.blog-cat.fin { background: #EAF0F8; color: #2A5080; }
.blog-cat.sol { background: #F0F5EA; color: #3A6020; }
.blog-cat.ret { background: #F5EAF0; color: #802060; }
.blog-title { font-size: 0.88rem; font-weight: 700; color: var(--anthracite); line-height: 1.4; margin-bottom: 6px; }
.blog-excerpt { font-size: 0.8rem; color: var(--gris-texte); line-height: 1.5; margin-bottom: 10px; }
.blog-meta { font-size: 0.7rem; color: #AAA; display: flex; justify-content: space-between; }
.blog-read-more { font-size: 0.78rem; font-weight: 600; color: var(--vert); margin-top: 8px; display: inline-block; }

/* ===== FAQ ===== */
#faq { background: var(--blanc); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; }
.faq-item { border-bottom: 1px solid var(--gris-sep); padding: 18px 0; cursor: pointer; }
.faq-q { font-size: 0.9rem; font-weight: 600; color: var(--anthracite); display: flex; justify-content: space-between; align-items: center; gap: 14px; user-select: none; }
.faq-chevron { color: var(--vert); font-size: 1.1rem; flex-shrink: 0; transition: transform 0.25s; }
.faq-a { font-size: 0.85rem; color: var(--gris-texte); line-height: 1.65; margin-top: 10px; display: none; }
.faq-item.open .faq-a { display: block; }
.faq-item.open .faq-chevron { transform: rotate(45deg); }

/* ===== CTA FINAL ===== */
#cta-final { background: var(--anthracite); padding: 72px 40px; display: flex; flex-direction: column; align-items: center; text-align: center; }
#cta-final h2 { font-size: 2.1rem; font-weight: 800; color: var(--blanc); letter-spacing: -0.02em; margin-bottom: 14px; max-width: 560px; }
#cta-final p { font-size: 0.97rem; color: rgba(255,255,255,0.6); margin-bottom: 32px; max-width: 480px; }
.cta-btns { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.btn-dl { background: transparent; color: var(--blanc); border: 1.5px solid rgba(255,255,255,0.4); padding: 12px 24px; font-size: 0.9rem; font-weight: 500; cursor: pointer; font-family: var(--font); transition: all 0.2s; text-decoration: none; display: inline-block; }
.btn-dl:hover { border-color: var(--blanc); background: rgba(255,255,255,0.07); }

/* ===== CONTACT ===== */
#contact { background: var(--gris-fond); }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.contact-info p { font-size: 0.93rem; color: var(--gris-texte); margin-bottom: 24px; line-height: 1.7; }
.contact-detail { display: flex; gap: 12px; align-items: center; font-size: 0.88rem; color: var(--gris-texte); margin-bottom: 10px; }
.map-frame { margin-top: 18px; border: 1px solid var(--gris-sep); overflow: hidden; }
.map-frame iframe { width: 100%; height: 200px; border: none; display: block; }
.contact-box { background: var(--blanc); border: 1px solid var(--gris-sep); padding: 36px; text-align: center; }
.contact-box h3 { font-size: 1.25rem; font-weight: 700; color: var(--anthracite); margin-bottom: 9px; letter-spacing: -0.01em; }
.contact-box p { font-size: 0.85rem; color: var(--gris-texte); margin-bottom: 24px; line-height: 1.6; }
.btn-full { width: 100%; padding: 15px; font-size: 0.97rem; }

/* ===== FOOTER ===== */
footer { background: var(--auris-bleu); padding: 44px 40px 28px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 44px; margin-bottom: 28px; }
.footer-brand-name { font-size: 1.05rem; font-weight: 800; color: rgba(255,255,255,0.9); margin-bottom: 7px; letter-spacing: -0.01em; }
.footer-brand-sub { font-size: 0.77rem; color: rgba(255,255,255,0.4); line-height: 1.7; }
.footer-brand-sub a { color: rgba(255,255,255,0.4); text-decoration: none; }
.footer-brand-sub a:hover { color: rgba(255,255,255,0.75); }
.footer-col-title { font-size: 0.69rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.3); margin-bottom: 12px; }
.footer-links-list { list-style: none; }
.footer-links-list li { margin-bottom: 7px; }
.footer-links-list a { font-size: 0.81rem; color: rgba(255,255,255,0.5); text-decoration: none; transition: color 0.2s; cursor: pointer; }
.footer-links-list a:hover { color: rgba(255,255,255,0.85); }
.footer-divider { border: none; border-top: 1px solid rgba(255,255,255,0.08); margin-bottom: 16px; }
.footer-mentions { font-size: 0.71rem; color: rgba(255,255,255,0.28); line-height: 1.7; margin-bottom: 10px; }
.footer-bottom { font-size: 0.7rem; color: rgba(255,255,255,0.22); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px; }

/* ===== FLOATING CTA ===== */
.floating-cta { position: fixed; bottom: 22px; right: 22px; z-index: 500; background: var(--vert); color: var(--blanc); padding: 11px 20px; font-size: 0.84rem; font-weight: 600; cursor: pointer; box-shadow: 0 4px 18px rgba(26,107,60,0.4); transition: transform 0.2s, opacity 0.3s; font-family: var(--font); border: none; opacity: 0; pointer-events: none; }
.floating-cta.visible { opacity: 1; pointer-events: all; }
.floating-cta:hover { transform: translateY(-2px); }

/* ===== MODALS BASE ===== */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(20,28,22,0.6); z-index: 2000; align-items: center; justify-content: center; backdrop-filter: blur(4px); }
.modal-overlay.open { display: flex; }
.modal-overlay.top { align-items: flex-start; padding: 72px 20px 40px; overflow-y: auto; }
.modal-box { background: var(--blanc); padding: 44px 40px; max-width: 520px; width: 92%; position: relative; box-shadow: 0 24px 64px rgba(0,0,0,0.28); max-height: 88vh; overflow-y: auto; border-top: 3px solid var(--vert); }
.modal-box.wide { max-width: 700px; }
.modal-box.medium { max-width: 600px; }
.modal-close { position: absolute; top: 12px; right: 12px; width: 28px; height: 28px; border: none; background: var(--gris-fond); cursor: pointer; font-size: 0.88rem; color: var(--gris-texte); display: flex; align-items: center; justify-content: center; transition: background 0.2s; }
.modal-close:hover { background: var(--gris-sep); }
.modal-box h2 { font-size: 1.55rem; font-weight: 800; color: var(--anthracite); margin-bottom: 5px; letter-spacing: -0.02em; }
.modal-sub { font-size: 0.86rem; color: var(--gris-texte); margin-bottom: 26px; line-height: 1.5; }
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group label { display: block; font-size: 0.79rem; font-weight: 600; color: var(--anthracite); margin-bottom: 4px; }
.req { color: var(--vert); margin-left: 2px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 9px 12px; border: 1.5px solid var(--gris-sep); font-size: 0.89rem; font-family: var(--font); color: var(--gris-texte); background: var(--blanc); outline: none; border-radius: 0; transition: border-color 0.2s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--vert); }
.form-group textarea { resize: vertical; min-height: 76px; }
.btn-submit { width: 100%; background: var(--vert); color: var(--blanc); border: none; padding: 13px; font-size: 0.93rem; font-weight: 700; cursor: pointer; font-family: var(--font); transition: background 0.2s, opacity 0.2s; margin-top: 4px; }
.btn-submit:hover:not(:disabled) { background: #155730; }
.btn-submit:disabled { background: #AAA; cursor: not-allowed; opacity: 0.65; }
.rgpd-note { font-size: 0.69rem; color: #AAA; margin-top: 10px; text-align: center; line-height: 1.5; }
.modal-tabs { display: flex; border-bottom: 1px solid var(--gris-sep); margin-bottom: 22px; }
.mtab { padding: 8px 16px; font-size: 0.86rem; font-weight: 600; color: #AAA; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color 0.2s, border-color 0.2s; }
.mtab.active { color: var(--vert); border-color: var(--vert); }
.mtab-content { display: none; }
.mtab-content.active { display: block; }
.modal-alt { text-align: center; margin-top: 12px; font-size: 0.81rem; color: var(--gris-texte); }
.modal-alt a { color: var(--vert); cursor: pointer; text-decoration: underline; }
.confirm-box { background: var(--vert-clair); border-left: 3px solid var(--vert); padding: 13px 16px; font-size: 0.85rem; color: var(--gris-texte); margin-top: 14px; display: none; }

/* ===== OFFRE MODALS ===== */
.offre-header { padding: 28px 36px 22px; }
.offre-header h2 { font-size: 1.5rem; font-weight: 800; color: var(--blanc); letter-spacing: -0.02em; margin-bottom: 5px; }
.offre-header p { font-size: 0.87rem; color: rgba(255,255,255,0.73); }
.offre-body { padding: 28px 36px 36px; }
.offre-sec { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--vert); margin: 22px 0 10px; }
.offre-sec:first-child { margin-top: 0; }
.offre-desc { font-size: 0.9rem; color: var(--gris-texte); line-height: 1.7; }
.offre-timing { display: inline-flex; align-items: center; gap: 7px; background: var(--vert-clair); padding: 7px 14px; font-size: 0.83rem; font-weight: 600; color: var(--vert); }
.offre-saillants { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 4px; }
.offre-saillant { background: var(--gris-fond); padding: 10px 14px; font-size: 0.81rem; color: var(--anthracite); border-left: 3px solid var(--vert); }
.offre-5 { list-style: none; margin-top: 4px; }
.offre-5 li { display: flex; gap: 9px; font-size: 0.86rem; color: var(--gris-texte); padding: 6px 0; border-bottom: 1px solid var(--gris-sep); line-height: 1.5; }
.offre-5 li::before { content: '→'; color: var(--vert); font-weight: 700; flex-shrink: 0; }
.offre-cta { margin-top: 24px; }

/* ===== ARTICLE MODAL ===== */
.art-header { padding: 28px 36px 20px; border-bottom: 1px solid var(--gris-sep); }
.art-cat-badge { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 2px 8px; display: inline-block; margin-bottom: 10px; }
.art-cat-badge.reg { background: var(--vert-clair); color: var(--vert); }
.art-cat-badge.fin { background: #EAF0F8; color: #2A5080; }
.art-cat-badge.sol { background: #F0F5EA; color: #3A6020; }
.art-cat-badge.ret { background: #F5EAF0; color: #802060; }
.art-header h2 { font-size: 1.4rem; font-weight: 800; color: var(--anthracite); line-height: 1.25; letter-spacing: -0.02em; margin-bottom: 6px; }
.art-meta { font-size: 0.76rem; color: #AAA; }
.art-body { padding: 24px 36px 32px; font-size: 0.9rem; color: var(--gris-texte); line-height: 1.75; }
.art-body p { margin-bottom: 14px; }
.art-body strong { color: var(--anthracite); }
.art-source-btn { display: inline-flex; align-items: center; gap: 7px; margin-top: 18px; background: var(--vert-clair); color: var(--vert); font-size: 0.83rem; font-weight: 600; padding: 9px 16px; text-decoration: none; border: 1px solid var(--vert); transition: all 0.2s; }
.art-source-btn:hover { background: var(--vert); color: var(--blanc); }

/* ===== CGV MODAL ===== */
.cgv-body { padding: 28px 36px 36px; font-size: 0.86rem; color: var(--gris-texte); line-height: 1.75; }
.cgv-body h3 { font-size: 0.92rem; font-weight: 700; color: var(--anthracite); margin: 22px 0 7px; padding-left: 12px; border-left: 3px solid var(--vert); }
.cgv-body h3:first-child { margin-top: 0; }
.cgv-body p { margin-bottom: 10px; }
.cgv-info-box { background: var(--vert-clair); padding: 14px 18px; border-left: 3px solid var(--vert); margin-bottom: 24px; font-size: 0.83rem; }
.cgv-footer-note { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--gris-sep); font-size: 0.72rem; color: #AAA; font-style: italic; }

/* Bouton Vous êtes ? - collectivités (fond blanc, texte vert) */
.btn-vous-etes-pub {
  font-size: 0.78rem; font-weight: 700;
  color: var(--vert);
  text-decoration: none;
  background: var(--blanc);
  border: 1.5px solid var(--vert);
  padding: 5px 11px;
  transition: all 0.2s;
  white-space: nowrap;
  margin-right: 4px;
  display: inline-block;
}
.btn-vous-etes-pub:hover { background: var(--vert-clair); }

/* Bouton Vous êtes ? - entreprises (fond blanc, texte bleu) */
.btn-vous-etes-ent {
  font-size: 0.78rem; font-weight: 700;
  color: #1E5A8A;
  text-decoration: none;
  background: var(--blanc);
  border: 1.5px solid #1E5A8A;
  padding: 5px 11px;
  transition: all 0.2s;
  white-space: nowrap;
  margin-right: 4px;
  display: inline-block;
}
.btn-vous-etes-ent:hover { background: #EAF0F8; }


/* ============================================================
   RESPONSIVE — Mobile First
   Breakpoints :
     tablet  : max-width 1024px
     mobile  : max-width 768px
     small   : max-width 480px
   ============================================================ */

/* ── TABLET (≤1024px) ─────────────────────────────────────── */
@media (max-width: 1024px) {

  /* Nav : masquer liens centraux, garder logo + boutons droits */
  .nav-links { display: none; }
  nav { padding: 0 20px; }

  /* Sections */
  .section-inner { padding: 64px 24px; }
  .section-title { font-size: 2rem; }

  /* Hero */
  .hero-content { padding: 0 24px 64px; }
  .hero-stats { gap: 28px; }
  .hero-stat-num { font-size: 2rem; }

  /* Grilles 3 colonnes → 2 */
  .enjeux-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .args-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .secteurs-grid { grid-template-columns: 1fr 1fr; }

  /* Grilles 5 colonnes → 3 */
  .dimensions-row { grid-template-columns: repeat(3, 1fr); }

  /* Étapes → 2 colonnes */
  .etapes-row { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .etapes-row::before { display: none; }

  /* Qui sommes-nous */
  .qui-layout { grid-template-columns: 1fr; gap: 40px; }

  /* Contact */
  .contact-layout { grid-template-columns: 1fr; gap: 36px; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }

  /* FAQ */
  .faq-grid { grid-template-columns: 1fr; gap: 0; }

  /* Regle items */
  .regle-items { grid-template-columns: 1fr; }

  /* Offres saillants */
  .offre-saillants { grid-template-columns: 1fr; }

  /* Carte selector */
  .cards { grid-template-columns: 1fr; gap: 16px; }
}

/* ── MOBILE (≤768px) ──────────────────────────────────────── */
@media (max-width: 768px) {

  /* Nav : hamburger */
  :root { --nav-h: 58px; }
  nav { padding: 0 16px; height: var(--nav-h); }

  /* Boutons nav droits : masquer "Vous êtes ?" et "Espace Clients" sur mobile */
  .btn-vous-etes-pub,
  .btn-vous-etes-ent,
  .btn-clients { display: none; }

  /* Hamburger button */
  .nav-hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    background: none;
    border: none;
    margin-left: 8px;
  }
  .nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--anthracite);
    transition: all 0.25s;
    border-radius: 1px;
  }

  /* Mobile menu overlay */
  .nav-mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--gris-sep);
    z-index: 999;
    padding: 16px 20px 24px;
    flex-direction: column;
    gap: 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  }
  .nav-mobile-menu.open { display: flex; }
  .nav-mobile-menu a,
  .nav-mobile-menu button {
    display: block;
    padding: 12px 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--anthracite);
    text-decoration: none;
    border-bottom: 1px solid var(--gris-sep);
    background: none;
    border-left: none;
    border-right: none;
    border-top: none;
    font-family: var(--font);
    cursor: pointer;
    text-align: left;
    width: 100%;
  }
  .nav-mobile-menu a:last-child,
  .nav-mobile-menu button:last-child { border-bottom: none; }
  .nav-mobile-menu .mob-switch {
    font-weight: 700;
    color: var(--vert);
    margin-top: 8px;
    padding-top: 16px;
    border-top: 2px solid var(--vert-clair);
    border-bottom: none;
  }

  /* Sections */
  .section-inner { padding: 52px 16px; }
  .section-title { font-size: 1.7rem; }
  .section-intro { font-size: 0.95rem; margin-bottom: 36px; }

  /* Hero */
  .hero-content { padding: 0 16px 56px; }
  .hero-title { font-size: clamp(1.9rem, 7vw, 2.8rem); }
  .hero-subtitle { font-size: 0.97rem; }
  .hero-ctas { flex-direction: column; gap: 10px; }
  .hero-ctas .btn-primary,
  .hero-ctas .btn-outline-white { width: 100%; text-align: center; }
  .hero-stats { grid-template-columns: 1fr 1fr; display: grid; gap: 16px; padding-top: 20px; }
  .hero-stat-num { font-size: 1.8rem; }
  .carousel-dots { left: 16px; }
  .hero-scroll { display: none; }

  /* Grilles → 1 colonne */
  .enjeux-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .args-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .secteurs-grid { grid-template-columns: 1fr; }
  .other-offers { grid-template-columns: 1fr; }

  /* Dimensions → 2 colonnes */
  .dimensions-row { grid-template-columns: 1fr 1fr; gap: 10px; }

  /* Étapes → 2 */
  .etapes-row { grid-template-columns: 1fr 1fr; gap: 14px; }
  .etapes-row::before { display: none; }

  /* Métriques → 2 colonnes */
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .metric-item { border-right: none; border-bottom: 1px solid var(--gris-sep); padding: 32px 16px; }
  .metric-num { font-size: 2.6rem; }

  /* Qui layout */
  .qui-layout { grid-template-columns: 1fr; gap: 32px; }

  /* Contact */
  .contact-layout { grid-template-columns: 1fr; }
  .map-frame { display: none; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 20px; }

  /* FAQ */
  .faq-grid { grid-template-columns: 1fr; }

  /* Forms */
  .form-row { grid-template-columns: 1fr; }

  /* Modal */
  .modal-box { padding: 28px 20px; margin: 0 12px; }
  .modal-overlay.top { padding: 68px 12px 24px; }

  /* Canicule def */
  .canicule-def { flex-direction: column; gap: 12px; padding: 20px; }

  /* CTA final */
  #cta-final { padding: 52px 20px; }
  #cta-final h2 { font-size: 1.6rem; }
  .cta-btns { flex-direction: column; align-items: stretch; }
  .cta-btns .btn-primary,
  .cta-btns .btn-dl { text-align: center; }

  /* Section padding */
  .philo-bloc { padding: 20px; }
  .regle-bloc { padding: 20px; }

  /* Accueil selector */
  .selector-wrap { padding: 0 16px; }
  .question { font-size: 1.2rem; }
  .card { padding: 28px 20px; }

  /* Scoring block */
  div[style*="display:flex;gap:32px"] { flex-direction: column; }

  /* Art pages */
  .art-body-wrap { padding: 40px 16px 60px; }
  .art-hero { padding: 90px 16px 40px; }
  .art-hero h1 { font-size: 1.7rem; }

  /* Floating CTA */
  .floating-cta { bottom: 16px; right: 16px; font-size: 0.8rem; padding: 9px 16px; }
}

/* ── SMALL MOBILE (≤480px) ────────────────────────────────── */
@media (max-width: 480px) {

  .section-title { font-size: 1.5rem; }
  .hero-title { font-size: 1.7rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stat-num { font-size: 1.5rem; }

  /* Dimensions → 1 colonne */
  .dimensions-row { grid-template-columns: 1fr; }

  /* Étapes → 1 colonne */
  .etapes-row { grid-template-columns: 1fr; }

  /* Métriques → 1 colonne */
  .metrics-grid { grid-template-columns: 1fr; }

  /* Nav buttons */
  .btn-contact-nav { font-size: 0.72rem; padding: 5px 9px; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 4px; }

  /* Accueil cards */
  .card-targets { display: none; }
  .card { padding: 24px 16px; }
}

/* ── OVERFLOW GLOBAL FIX ──────────────────────────────────── */
html, body { overflow-x: hidden; }
img, video, iframe { max-width: 100%; }
* { min-width: 0; }