/* ============================================
   Isolation Combles Lyon — identité "dossier chantier"
   Terracotta + encre profonde, Fraunces / Public Sans
   ============================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --font: 'Public Sans', -apple-system, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
  --clay: #c65a35;
  --clay-dark: #a3461f;
  --clay-light: #f6ddc9;
  --clay-50: #fcf1e6;
  --gold: #e0a336;
  --gold-light: #faecc9;
  --moss: #6b7d4f;
  --moss-light: #e3e8da;
  --sand: #f0dcb8;
  --ink: #2b2117;
  --ink-soft: #5a4d3f;
  --ink-muted: #9c8c78;
  --paper: #fffaf1;
  --paper-warm: #fbeed9;
  --border: #ecdcc0;
  --border-dark: #241c14;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-flat: 5px 5px 0 var(--clay-dark);
  --shadow-flat-sm: 3px 3px 0 var(--clay-dark);
  /* alias pour compatibilité avec le HTML généré */
  --green: var(--clay);
  --green-dark: var(--clay-dark);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font); color: var(--ink); line-height: 1.65; font-size: 16px;
  -webkit-font-smoothing: antialiased; background: var(--paper);
  background-image: radial-gradient(var(--border) 0.6px, transparent 0.6px);
  background-size: 18px 18px;
}

.wrap { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.wrap-wide { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* NAV — sombre, seul point de contraste fort */
.nav { background: var(--ink); border-bottom: 3px solid var(--clay); padding: 16px 0; position: sticky; top: 0; z-index: 100; }
.nav-inner { display: flex; justify-content: space-between; align-items: center; }
.nav-logo { font-family: var(--font-display); font-size: 1.4rem; color: var(--paper); text-decoration: none; font-weight: 600; }
.nav-logo span { color: #e8a877; }
.nav-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--clay); color: #fff; padding: 10px 20px; border-radius: var(--radius); text-decoration: none; font-size: 0.88rem; font-weight: 700; transition: transform 0.15s; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(198,90,53,0.4); }

/* HERO — clair et chaleureux, illustration à droite */
.hero { background: linear-gradient(160deg, var(--paper-warm) 0%, var(--clay-50) 100%); color: var(--ink); padding: 64px 0 68px; position: relative; overflow: hidden; }
.hero .wrap, .hero .wrap-wide { position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 0.78rem; font-weight: 700; color: var(--clay-dark); background: #fff; border: 1.5px solid var(--clay-light); padding: 6px 14px; margin-bottom: 24px; border-radius: 30px; text-transform: uppercase; letter-spacing: 0.06em; }
.hero h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.3rem, 5vw, 3.4rem); line-height: 1.08; margin-bottom: 18px; letter-spacing: -0.01em; color: var(--ink); }
.hero h1 em { font-style: italic; color: var(--clay); }
.hero-sub { font-size: 1.12rem; color: var(--ink-soft); max-width: 560px; margin-bottom: 32px; line-height: 1.65; }
.hero-stats { display: flex; gap: 0; margin-bottom: 34px; flex-wrap: wrap; border-top: 1px solid var(--border); }
.hero-stats > div { padding: 16px 28px 0 0; border-right: 1px solid var(--border); margin-right: 28px; }
.hero-stat-number { font-family: var(--font-display); font-size: 1.7rem; font-weight: 600; color: var(--clay-dark); }
.hero-stat-label { font-size: 0.8rem; color: var(--ink-muted); margin-top: 2px; }
.hero-cta { display: inline-flex; align-items: center; gap: 10px; background: var(--clay); color: #fff; padding: 17px 32px; border-radius: 30px; text-decoration: none; font-weight: 700; font-size: 1.02rem; transition: all 0.15s; box-shadow: 0 6px 20px rgba(198,90,53,0.3); }
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(198,90,53,0.4); }
.hero-visual { position: relative; }
.hero-illustration { width: 100%; height: auto; border-radius: 24px; box-shadow: 0 24px 60px rgba(43,33,23,0.18); }
.proof-card-float { margin: -70px 24px 0; position: relative; z-index: 2; }

/* POURQUOI ISOLER */
.pourquoi-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: stretch; margin: 40px 0; }
.pourquoi-image { border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 16px 40px rgba(43,33,23,0.12); }
.pourquoi-image img { width: 100%; height: 260px; object-fit: cover; display: block; }
.pourquoi-caption { background: var(--ink); color: var(--paper); padding: 18px 22px; font-size: 0.92rem; line-height: 1.5; flex: 1; display: flex; align-items: center; }
.stat-big-inline { font-family: var(--font-display); font-weight: 600; color: #e8a877; font-size: 1.3rem; }
.pourquoi-cards { display: flex; flex-direction: column; gap: 14px; }
.pourquoi-cards .feature-card { flex: 1; }

/* ARTISANS INTRO */
.artisans-intro { display: grid; grid-template-columns: 180px 1fr; gap: 28px; align-items: center; margin-bottom: 12px; }
.artisans-illustration { width: 180px; height: 180px; object-fit: cover; border-radius: 50%; border: 4px solid #fff; box-shadow: 0 12px 30px rgba(43,33,23,0.15); }

/* Bloc "preuve" — carte claire avec accent chaleureux */
.proof-card { background: #fff; color: var(--ink); border: 1.5px solid var(--clay-light); border-radius: var(--radius-lg); padding: 26px; display: flex; flex-direction: column; gap: 14px; box-shadow: 0 16px 40px rgba(198,90,53,0.12); }
.proof-card .proof-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--clay-dark); font-weight: 700; border-bottom: 1px dashed var(--border); padding-bottom: 10px; }
.proof-card .proof-quote { font-family: var(--font-display); font-style: italic; font-size: 1.05rem; line-height: 1.5; color: var(--ink); }
.proof-card .proof-meta { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--ink-muted); border-top: 1px dashed var(--border); padding-top: 12px; }
.proof-card .proof-stats { display: flex; gap: 0; border-top: 1px solid var(--border); padding-top: 14px; }
.proof-card .proof-stats > div { flex: 1; text-align: center; border-right: 1px solid var(--border); }
.proof-card .proof-stats > div:last-child { border-right: none; }
.proof-card .proof-stat-n { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; color: var(--clay-dark); }
.proof-card .proof-stat-l { font-size: 0.68rem; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.04em; }

/* TRUST BAR */
.trust-bar { background: #fff; border-bottom: 1px solid var(--border); padding: 18px 0; }
.trust-items { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: var(--ink-soft); }
.trust-icon { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; background: var(--clay-50); }
.trust-icon.green { color: var(--moss); background: var(--moss-light); }
.trust-icon.blue { color: var(--clay-dark); }
.trust-icon.yellow { color: var(--gold); background: var(--gold-light); }
.trust-item strong { color: var(--ink); font-weight: 700; }

/* SECTIONS */
.section { padding: 76px 0; }
.section-alt { background: var(--paper-warm); }
.section-green { background: var(--clay-50); }
.section-header { text-align: center; max-width: 620px; margin: 0 auto 44px; }
.section-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 0.75rem; font-weight: 700; color: var(--clay-dark); background: transparent; border-bottom: 2px solid var(--clay); padding: 0 0 4px; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.08em; }
.section-tag.blue { color: var(--moss); border-color: var(--moss); }
h2 { font-family: var(--font-display); font-size: 2.1rem; font-weight: 600; color: var(--ink); margin-bottom: 14px; letter-spacing: -0.01em; line-height: 1.15; }
h2 em { font-style: italic; color: var(--clay); }
.section-lead { color: var(--ink-soft); font-size: 1.08rem; line-height: 1.65; }
h3 { font-size: 1.1rem; font-weight: 700; margin: 24px 0 8px; color: var(--ink); }
p { margin-bottom: 16px; color: var(--ink-soft); }
p strong { color: var(--ink); }

/* FEATURES */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 32px 0; }
.feature-card { background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 26px; transition: all 0.2s; }
.feature-card:hover { border-color: var(--clay-light); box-shadow: 0 12px 28px rgba(198,90,53,0.12); transform: translateY(-3px); }
.feature-icon { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 1.25rem; background: var(--clay-50); }
.feature-icon.green { color: var(--moss); background: var(--moss-light); }
.feature-icon.blue { color: var(--clay-dark); background: var(--clay-50); }
.feature-icon.yellow { color: var(--gold); background: var(--gold-light); }
.feature-card h3 { margin: 0 0 6px; font-size: 1.02rem; font-family: var(--font-display); font-weight: 600; }
.feature-card p { font-size: 0.92rem; margin: 0; }
.stat-grid { grid-template-columns: repeat(4, 1fr); }
.stat-cell { background: var(--clay); border-color: var(--clay); display: flex; flex-direction: column; justify-content: center; }
.stat-big { font-family: var(--font-display); font-size: 2.2rem; font-weight: 600; color: #fff; line-height: 1; margin-bottom: 10px; }
.stat-cell p { color: rgba(255,255,255,0.85); }

/* TABLE */
.table-wrap { overflow-x: auto; margin: 28px 0; border: 1.5px solid var(--border); border-radius: var(--radius-lg); }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
thead th { background: var(--clay); color: #fff; padding: 14px 16px; text-align: left; font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }
td { padding: 14px 16px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:nth-child(even) { background: var(--paper-warm); }
td strong { color: var(--ink); }
.table-note { font-size: 0.82rem; color: var(--ink-muted); margin-top: 10px; font-style: italic; }
.table-highlight { background: var(--clay-50) !important; border-left: 4px solid var(--clay); }

/* CARDS ENTREPRISES */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; margin: 28px 0; }
.card { background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 22px; transition: all 0.2s; }
.card:hover { border-color: var(--clay-light); box-shadow: 0 14px 32px rgba(198,90,53,0.14); transform: translateY(-3px); }
.card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.card-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--clay-light); display: flex; align-items: center; justify-content: center; font-size: 1rem; color: var(--clay-dark); font-weight: 700; font-family: var(--font-display); }
.card-name { font-weight: 700; font-size: 1rem; color: var(--ink); font-family: var(--font-display); }
.card-address { font-size: 0.85rem; color: var(--ink-muted); margin-bottom: 14px; display: flex; align-items: flex-start; gap: 6px; }
.card-badges { display: flex; gap: 6px; flex-wrap: wrap; }
.card-badge { display: inline-flex; align-items: center; gap: 4px; font-size: 0.72rem; font-weight: 700; padding: 4px 10px; border-radius: 20px; text-transform: uppercase; letter-spacing: 0.03em; }
.card-badge.rge { background: var(--moss-light); color: var(--moss); }
.card-badge.pro { background: var(--sand); color: var(--clay-dark); }

/* AIDES */
.aide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 28px 0; }
.aide-card { background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 30px 24px; text-align: center; position: relative; transition: transform 0.2s; }
.aide-card:hover { transform: translateY(-3px); border-color: var(--clay-light); }
.aide-amount { font-family: var(--font-display); font-size: 2.1rem; font-weight: 600; margin-bottom: 4px; letter-spacing: -0.01em; color: var(--clay-dark); }
.aide-label { font-weight: 700; font-size: 0.95rem; color: var(--ink); margin-bottom: 8px; }
.aide-card p { font-size: 0.88rem; margin-bottom: 0; }
.aide-example { background: var(--clay-50); border: 1.5px solid var(--clay-light); border-radius: var(--radius-lg); padding: 26px; margin-top: 28px; display: flex; align-items: center; gap: 18px; }
.aide-example-icon { width: 52px; height: 52px; min-width: 52px; border-radius: 50%; background: var(--clay); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.aide-example p { margin: 0; }
.aide-example strong { color: var(--clay-dark); font-size: 1.15rem; }

/* CTA BLOCKS */
.cta-block { background: linear-gradient(135deg, var(--clay) 0%, var(--clay-dark) 100%); color: #fff; border-radius: var(--radius-lg); padding: 50px; text-align: center; margin: 52px 0; position: relative; }
.cta-block h3 { font-family: var(--font-display); font-size: 1.7rem; font-weight: 600; color: #fff; margin-bottom: 8px; }
.cta-block p { color: rgba(255,255,255,0.8); margin-bottom: 26px; }
.cta-btn { display: inline-flex; align-items: center; gap: 10px; background: #fff; color: var(--clay-dark); padding: 16px 34px; border-radius: 30px; text-decoration: none; font-weight: 700; font-size: 1rem; transition: transform 0.15s; }
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,0.2); }

/* DEVIS FORM */
.devis-section { background: var(--ink); padding: 76px 0; position: relative; }
.devis-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; padding: 0 24px; }
.devis-header { text-align: center; margin-bottom: 34px; color: var(--paper); }
.devis-header h2 { color: #fff; font-size: 2rem; }
.devis-header p { color: rgba(250,246,239,0.55); }
.devis-trust { display: flex; justify-content: center; gap: 22px; margin-top: 18px; flex-wrap: wrap; }
.devis-trust span { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: rgba(250,246,239,0.65); }
.devis-form-card { background: var(--paper); border-radius: var(--radius-lg); padding: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-input { padding: 14px 16px; border: 1.5px solid var(--border); border-radius: var(--radius); font-size: 0.95rem; background: var(--paper-warm); color: var(--ink); outline: none; font-family: var(--font); transition: border-color 0.15s; width: 100%; }
.form-input:focus { border-color: var(--clay); background: #fff; }
.form-input::placeholder { color: var(--ink-muted); }
select.form-input { appearance: none; }
textarea.form-input { resize: vertical; min-height: 60px; }
.form-submit { background: var(--clay); color: #fff; padding: 16px 36px; border: none; border-radius: 30px; font-weight: 700; font-size: 1.02rem; cursor: pointer; transition: all 0.15s; width: 100%; margin-top: 8px; display: flex; align-items: center; justify-content: center; gap: 10px; font-family: var(--font); box-shadow: 0 8px 24px rgba(198,90,53,0.35); }
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(198,90,53,0.45); }
.form-legal { font-size: 0.74rem; color: var(--ink-muted); margin-top: 12px; text-align: center; }

/* FAQ */
.faq-list { margin: 28px 0; max-width: 700px; }
.faq-item { border: 1.5px solid var(--border); border-radius: var(--radius-lg); margin-bottom: 10px; overflow: hidden; background: #fff; }
.faq-q { width: 100%; background: none; border: none; padding: 18px 22px; text-align: left; font-size: 1rem; font-weight: 700; font-family: var(--font-display); color: var(--ink); cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: background 0.15s; }
.faq-q:hover { background: var(--paper-warm); }
.faq-q::after { content: '+'; font-size: 1.4rem; color: var(--clay); font-weight: 400; transition: transform 0.3s; min-width: 24px; text-align: center; }
.faq-item.open .faq-q { background: var(--clay-50); }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { padding: 0 22px; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }
.faq-a p { font-size: 0.95rem; margin-bottom: 0; line-height: 1.65; }

/* VILLE LINKS */
.ville-links { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0; }
.ville-link { display: inline-flex; align-items: center; gap: 4px; padding: 9px 16px; border: 1.5px solid var(--border); border-radius: 30px; text-decoration: none; color: var(--ink); font-size: 0.88rem; font-weight: 600; transition: all 0.15s; background: #fff; }
.ville-link:hover { background: var(--clay-50); border-color: var(--clay-light); color: var(--clay-dark); transform: translateY(-2px); }
.ville-link.active { background: var(--clay); color: #fff; border-color: var(--clay); }

/* FOOTER */
.footer { background: var(--ink); color: rgba(250,246,239,0.6); padding: 56px 0 32px; border-top: 4px solid var(--clay); }
.footer a { color: rgba(250,246,239,0.7); text-decoration: none; transition: color 0.15s; }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand { font-family: var(--font-display); font-size: 1.35rem; color: #fff; margin-bottom: 12px; font-weight: 600; }
.footer-brand span { color: #e3a988; }
.footer-heading { color: #fff; font-weight: 700; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px; }
.footer p { margin-bottom: 8px; font-size: 0.9rem; }
.footer-bottom { border-top: 1px solid rgba(250,246,239,0.15); padding-top: 24px; font-size: 0.8rem; text-align: center; color: rgba(250,246,239,0.35); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero { padding: 52px 0; }
  .hero .wrap, .hero .wrap-wide { grid-template-columns: 1fr !important; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { gap: 0; }
  .hero-stats > div { padding-right: 18px; margin-right: 18px; }
  .card-grid { grid-template-columns: 1fr; }
  .aide-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .pourquoi-layout { grid-template-columns: 1fr; }
  .artisans-intro { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .artisans-intro .section-header { text-align: center !important; }
  .proof-card-float { margin: -50px 12px 0; }
  .proof-card .proof-stats { flex-wrap: wrap; }
  .cta-block { padding: 34px 22px; }
  .devis-form-card { padding: 22px; }
  .form-row { grid-template-columns: 1fr; }
  .trust-items { gap: 18px; }
  .section { padding: 52px 0; }
  h2 { font-size: 1.6rem; }
  .nav-cta span.long { display: none; }
}
@media (max-width: 420px) {
  .hero-badge { font-size: 0.7rem; }
  .aide-amount { font-size: 1.7rem; }
}