/* ============ ARD Energie — feuille de style principale ============ */
/* Palette : vert énergie renouvelable / doré solaire — vert profond pour la
   confiance et l'ancrage écologique, accent doré "soleil" pour les CTA,
   fond clair aéré. */

:root {
  --green-900: #0B2E1D;   /* vert forêt profond / fonds sombres */
  --green-700: #0F7A4D;   /* vert primaire */
  --green-600: #16A34A;   /* vert (dégradés) */
  --green-500: #22C55E;   /* vert clair, feuille */
  --green-100: #DCFCE7;   /* fond vert très clair */
  --gold-500: #EAB308;    /* doré solaire — accent CTA */
  --sky-500: #FBBF24;     /* doré clair (dégradés) */
  --ink-900: #0B2E1D;
  --ink-700: #3F5D4D;
  --ink-500: #74897E;
  --paper: #ffffff;
  --paper-soft: #F3FBF6;
  --border: #DCEAE1;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(11, 46, 29, 0.09);
  --shadow-lg: 0 24px 55px rgba(11, 46, 29, 0.16);
  --max-width: 1160px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink-900);
  background: var(--paper);
  line-height: 1.6;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: "Poppins", "Inter", system-ui, sans-serif;
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--green-900);
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 16px; color: var(--ink-700); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--gold-500);
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.btn-ghost {
  background: transparent;
  border-color: var(--paper);
  color: #fff;
}

.btn-ghost:hover { background: rgba(255,255,255,0.12); }

.btn-outline {
  background: transparent;
  border-color: var(--green-600);
  color: var(--green-700);
}

.btn-outline:hover { background: var(--green-100); }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--green-900);
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: block;
  flex-shrink: 0;
}

.footer-brand .brand-mark { width: 34px; height: 34px; }

.footer-logo-full {
  height: 60px;
  width: auto;
  display: block;
  border-radius: 8px;
  margin-bottom: 16px;
}

.page-header {
  position: relative;
  overflow: hidden;
}

.page-header-mark {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 220px;
  opacity: 0.1;
  pointer-events: none;
}

.map-placeholder {
  padding: 0;
  overflow: hidden;
  display: block;
}

.map-placeholder img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink-700);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--green-700);
  border-color: var(--gold-500);
}

.nav-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--green-900);
  border-radius: 2px;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 20% 20%, var(--green-700), var(--green-900) 65%);
  color: #fff;
  padding: 100px 0 120px;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
}

.hero-glow.gold {
  width: 320px; height: 320px;
  background: var(--gold-500);
  top: -80px; right: -60px;
}

.hero-glow.sky {
  width: 260px; height: 260px;
  background: var(--sky-500);
  bottom: -100px; left: -60px;
  opacity: 0.35;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 { color: #fff; }

.hero p.lead {
  color: rgba(255,255,255,0.85);
  font-size: 1.15rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.hero-stats .stat strong {
  display: block;
  font-size: 2rem;
  color: var(--gold-500);
}

.hero-stats .stat span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
}

.hero-art {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.14);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Section scaffolding ---------- */

section { padding: 88px 0; }

.section-soft { background: var(--paper-soft); }

.section-dark {
  background: var(--green-900);
  color: #fff;
}

.section-dark h2, .section-dark .eyebrow { color: #fff; }
.section-dark p { color: rgba(255,255,255,0.78); }

.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head.left { text-align: left; margin: 0 0 48px; }

/* ---------- Cards / grids ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.card .icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--green-100);
  color: var(--green-700);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.card .icon img,
.step-icon img,
.contact-info-list .icon img {
  width: 26px;
  height: 26px;
  display: block;
}

.step-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--green-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.card ul { padding-left: 18px; margin: 12px 0 0; color: var(--ink-700); }
.card li { margin-bottom: 6px; }

/* ---------- Process / steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 28px 20px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--paper);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -16px;
  left: 20px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gold-500);
  color: var(--green-900);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Stats band ---------- */

.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stats-band strong {
  display: block;
  font-size: 2.4rem;
  color: var(--gold-500);
}

.stats-band span { font-size: 0.9rem; color: rgba(255,255,255,0.75); }

/* ---------- Team ---------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card { text-align: center; }

.avatar {
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--green-100), var(--paper-soft));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-600);
  font-weight: 800;
  font-size: 1.6rem;
  margin-bottom: 16px;
  border: 1px solid var(--border);
}

/* ---------- Values ---------- */

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* ---------- Timeline ---------- */

.timeline {
  border-left: 2px solid var(--border);
  margin-left: 12px;
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.timeline-item { position: relative; }

.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold-500);
  border: 3px solid var(--green-100);
}

.timeline-item .year {
  font-weight: 800;
  color: var(--green-700);
  display: block;
  margin-bottom: 4px;
}

/* ---------- CTA band ---------- */

.cta-band {
  background: linear-gradient(120deg, var(--green-700), var(--green-500));
  border-radius: 24px;
  padding: 56px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,0.85); margin-bottom: 0; }

/* ---------- Forms ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.form-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

.form-row { margin-bottom: 20px; }

.form-row label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--ink-900);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--paper-soft);
}

.form-row textarea { min-height: 120px; resize: vertical; }

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid var(--green-500);
  outline-offset: 1px;
}

.file-upload { position: relative; }

.file-upload input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload-label {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px dashed var(--border);
  background: var(--paper-soft);
  color: var(--ink-700);
  font-size: 0.88rem;
  font-weight: 600;
  text-align: left;
}

.file-upload-icon { font-size: 1.1rem; flex-shrink: 0; }

.file-upload-hint {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--ink-500);
  font-weight: 400;
}

.file-upload-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

.file-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 0.82rem;
  font-weight: 600;
}

.file-chip button {
  background: none;
  border: none;
  color: var(--ink-500);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 2px;
}

.file-chip.error { background: #FEE2E2; color: #B91C1C; }

.contact-info-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-info-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-info-list .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--green-100);
  color: var(--green-700);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.map-placeholder {
  margin-top: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--paper-soft);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-500);
  font-size: 0.9rem;
  text-align: center;
  padding: 0;
  overflow: hidden;
}

.map-placeholder iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* ---------- FAQ ---------- */

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.faq-item h3 { margin-bottom: 8px; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink-900);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-grid h4 {
  color: #fff;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }

.footer-grid a { color: rgba(255,255,255,0.65); font-size: 0.92rem; }
.footer-grid a:hover { color: var(--gold-500); }

.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: #fff; font-weight: 800; font-size: 1.15rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}

.footer-bottom .socials { display: flex; gap: 14px; }

.footer-bottom .socials a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
}

/* ---------- Page header (interior pages) ---------- */

.page-header {
  background: linear-gradient(120deg, var(--green-900), var(--green-700));
  color: #fff;
  padding: 64px 0;
}

.page-header .eyebrow { color: var(--gold-500); }
.page-header h1 { color: #fff; margin-bottom: 10px; }

.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

.breadcrumb a { color: #fff; font-weight: 600; }

/* ---------- Utilities ---------- */

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 10px;
}

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible { opacity: 1; transform: none; }

/* ---------- Audience strip (pour qui) ---------- */

.audience-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.audience-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink-900);
}

.audience-pill .check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gold-500);
  color: var(--green-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 900;
  flex-shrink: 0;
}

/* ---------- Partners / trust strip ---------- */

.partners-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 32px 0;
}

.partner-logo {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--ink-500);
  opacity: 0.75;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.partner-logo:hover { opacity: 1; color: var(--green-700); }

/* ---------- Hero savings mockup ---------- */

.hero-mock {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
}

.mock-card {
  background: rgba(255,255,255,0.98);
  border-radius: 18px;
  padding: 26px;
  box-shadow: var(--shadow-lg);
  color: var(--ink-900);
}

.mock-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.mock-header .mock-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  flex-shrink: 0;
}

.mock-card .mock-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--ink-500);
  margin-bottom: 0;
}

.mock-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
}

.mock-row:last-of-type { border-bottom: none; }

.mock-row .mock-name { font-weight: 600; font-size: 0.9rem; color: var(--ink-700); }
.mock-row .mock-price { font-weight: 800; font-size: 1.1rem; }
.mock-row.before .mock-price { color: var(--ink-500); text-decoration: line-through; }
.mock-row.after .mock-price { color: var(--green-600); font-size: 1.3rem; }

.mock-badge {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--sky-500), var(--gold-500));
  color: #ffffff;
  border-radius: 50%;
  width: 88px;
  height: 88px;
  font-weight: 900;
  box-shadow: var(--shadow-lg);
  top: -20px;
  right: -20px;
  text-align: center;
  line-height: 1.05;
}

.mock-badge span { font-size: 0.62rem; font-weight: 700; text-transform: uppercase; }
.mock-badge strong { font-size: 1.5rem; }

.mock-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: var(--shadow);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--ink-900);
}

.mock-float.elec { bottom: 18px; left: -36px; }
.mock-float.gas { top: 40%; right: -44px; }

/* ---------- Testimonials ---------- */

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}

.testimonial-card .quote-mark {
  font-size: 2.4rem;
  color: var(--gold-500);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}

.testimonial-card p.quote {
  font-style: italic;
  color: var(--ink-700);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.testimonial-author .avatar-sm {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--green-100);
  color: var(--green-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.testimonial-author strong { display: block; font-size: 0.9rem; color: var(--ink-900); }
.testimonial-author span { font-size: 0.8rem; color: var(--ink-500); }

/* ---------- Benefit checklist ---------- */

.benefit-list { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-direction: column; gap: 16px; }

.benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-weight: 600;
  color: var(--ink-900);
}

.benefit-list .check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: none;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-list .check img,
.audience-pill .check img {
  width: 100%;
  height: 100%;
  display: block;
}

.audience-pill .check { background: none; padding: 0; }

.testimonial-card .quote-mark img {
  width: 34px;
  height: auto;
  display: block;
  margin-bottom: 8px;
}

.badge-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 0;
}

.badge-visual img { width: 220px; max-width: 100%; }

.banner-image {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  display: block;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  background: var(--paper-soft);
}

@media (max-width: 720px) {
  .banner-image { aspect-ratio: 4 / 3; }
}

.banner-section { padding-top: 0; padding-bottom: 0; }
.banner-section .container { padding-top: 48px; padding-bottom: 0; }

.hero-logo-badge {
  display: inline-flex;
  align-items: center;
  background: #ffffff;
  border-radius: 999px;
  padding: 10px 22px 10px 10px;
  box-shadow: var(--shadow-lg);
  margin-bottom: 28px;
}

.hero-logo-badge img { height: 54px; width: auto; display: block; border-radius: 6px; }

.trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-700);
}

.trust-bar .stars {
  display: inline-flex;
  gap: 2px;
  align-items: center;
}

.trust-bar .stars img { width: 16px; height: 16px; }

.trust-bar .dot {
  color: var(--border);
}

.footer-tagline {
  text-align: center;
  color: var(--gold-500);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  margin: 0 0 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 420px; margin: 0 auto; }
  .grid-3, .grid-2, .steps, .stats-band, .team-grid, .values-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .mock-float.elec { left: 0; }
  .mock-float.gas { right: 0; }
}

/* ---------- Assistant ARD Energie (chat basique) ---------- */

.ai-chat { position: fixed; right: 24px; bottom: 24px; z-index: 200; }

.ai-chat-toggle {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.ai-chat-toggle img { width: 32px; height: 32px; border-radius: 8px; display: block; }

.ai-chat-badge {
  display: none;
  position: absolute;
  top: -2px;
  right: -2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gold-500);
  border: 2px solid var(--paper);
}

.ai-chat-badge.show { display: block; animation: ai-pulse 1.6s ease-in-out infinite; }

@keyframes ai-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.25); }
}

.ai-chat-teaser {
  display: none;
  align-items: center;
  gap: 10px;
  position: absolute;
  right: 0;
  bottom: 76px;
  background: var(--paper);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-900);
  white-space: nowrap;
  cursor: pointer;
}

.ai-chat-teaser.show { display: flex; }

.ai-teaser-close {
  background: none;
  border: none;
  color: var(--ink-500);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 2px;
}

.ai-chat-panel {
  display: none;
  flex-direction: column;
  position: absolute;
  right: 0;
  bottom: 76px;
  width: 340px;
  max-width: calc(100vw - 48px);
  height: 440px;
  max-height: 70vh;
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.ai-chat-panel.open { display: flex; }

.ai-chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: linear-gradient(120deg, var(--green-900), var(--green-700));
  color: #fff;
}

.ai-chat-header img { width: 34px; height: 34px; border-radius: 8px; flex-shrink: 0; }

.ai-chat-header div { flex: 1; display: flex; flex-direction: column; }
.ai-chat-header strong { font-size: 0.92rem; }
.ai-chat-header span { font-size: 0.75rem; color: var(--sky-500); }

.ai-chat-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
}

.ai-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--paper-soft);
}

.ai-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.88rem;
  line-height: 1.4;
}

.ai-msg.bot {
  align-self: flex-start;
  background: var(--paper);
  border: 1px solid var(--border);
  color: var(--ink-900);
  border-bottom-left-radius: 4px;
}

.ai-msg.user {
  align-self: flex-end;
  background: var(--green-700);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.ai-typing { opacity: 0.6; font-weight: 800; letter-spacing: 2px; }

.ai-chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--paper);
}

.ai-chat-input-row input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  font-family: inherit;
  font-size: 0.88rem;
  background: var(--paper-soft);
}

.ai-chat-input-row input:focus { outline: 2px solid var(--green-500); }

.ai-chat-input-row button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--gold-500);
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .ai-chat { right: 16px; bottom: 16px; }
  .ai-chat-panel { width: calc(100vw - 32px); }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta .btn-outline { display: none; }
  .nav-toggle { display: flex; }
  body.nav-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    gap: 18px;
  }
  .grid-3, .grid-2, .steps, .stats-band, .team-grid, .values-grid, .testimonial-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .mock-float { display: none; }
}