/* ── Variables ────────────────────────────────── */
:root {
  --bg: #F7F5F0;
  --surface: #FFFFFF;
  --fg: #1A1A1A;
  --fg-muted: #6B7280;
  --fg-dim: #9CA3AF;
  --accent: #F5A623;
  --accent-dark: #D4891A;
  --green: #1B3D2F;
  --green-light: #2D5A45;
  --green-bg: #EEF4F0;
  --border: #E5E0D8;
  --radius: 12px;
  --radius-sm: 8px;
  --font-display: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ─────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247,245,240,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
}
.nav-logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
}
.nav-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--green-bg);
  border: 1px solid rgba(27,61,47,0.15);
  padding: 4px 10px;
  border-radius: 20px;
}
.nav-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.nav-badge-text {
  font-size: 11px;
  font-weight: 500;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Hero ─────────────────────────────────────── */
.hero {
  max-width: 1140px;
  margin: 0 auto;
  padding: 72px 32px 0;
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  background: var(--green-bg);
  color: var(--green);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1.5px;
  color: var(--fg);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg-muted);
  max-width: 480px;
  margin-bottom: 28px;
}
.hero-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hero-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 20px;
}

.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-visual {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.05);
}
.house-illustration svg {
  width: 100%;
  height: auto;
}
.house-caption {
  text-align: center;
  font-size: 12px;
  color: var(--fg-dim);
  margin-top: 12px;
  font-style: italic;
}

.hero-stripe {
  margin-top: 64px;
  background: var(--green);
  border-radius: 16px 16px 0 0;
  overflow: hidden;
}
.hero-stripe-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 18px 32px;
  flex-wrap: wrap;
}
.hero-stripe-inner span {
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  font-weight: 400;
  white-space: nowrap;
}
.stripe-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ── Section commons ──────────────────────────── */
.section-tag {
  display: inline-block;
  background: var(--green-bg);
  color: var(--green);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.section-header {
  margin-bottom: 48px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.8px;
  color: var(--fg);
  margin-bottom: 12px;
}
.section-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.65;
}

/* ── Chiffres ─────────────────────────────────── */
.chiffres {
  background: var(--green);
  padding: 64px 32px;
}
.chiffres-grid {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.chiffre-card {
  padding: 32px 28px;
  border-right: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}
.chiffre-card:last-child { border-right: none; }
.chiffre-number {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 10px;
}
.chiffre-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}

/* ── Offre ────────────────────────────────────── */
.offre {
  max-width: 1140px;
  margin: 0 auto;
  padding: 80px 32px;
}
.offre-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.offre-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.offre-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.07);
  transform: translateY(-2px);
}
.offre-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.offre-card--ite .offre-icon { background: #EEF4F0; color: var(--green); }
.offre-card--pac .offre-icon { background: #FEF3E2; color: var(--accent-dark); }
.offre-card--solaire .offre-icon { background: #FFF3CD; color: #B8860B; }

.offre-card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.offre-card-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}
.offre-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.offre-tag {
  background: var(--bg);
  color: var(--fg-muted);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

/* ── Accompagnement ────────────────────────────── */
.accompagnement {
  max-width: 1140px;
  margin: 0 auto;
  padding: 80px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.accomp-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 32px;
}
.accomp-step {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.accomp-step:first-child { border-top: 1px solid var(--border); }
.step-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
  flex-shrink: 0;
  width: 28px;
  padding-top: 2px;
}
.step-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 4px;
}
.step-desc {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.55;
}

.accomp-visual-block {
  position: sticky;
  top: 80px;
}
.aide-card {
  background: var(--green);
  border-radius: var(--radius);
  padding: 32px;
}
.aide-card-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}
.aide-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}
.aide-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.aide-item:last-child { border-bottom: none; }
.aide-name {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
}
.aide-amount {
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
}
.aide-note {
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  font-style: italic;
  line-height: 1.5;
}

/* ── Différenciation ──────────────────────────── */
.differenciation {
  background: var(--surface);
  padding: 80px 32px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.diff-grid {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.diff-card {
  padding: 32px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.diff-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.diff-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}
.diff-card-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ── Mission ──────────────────────────────────── */
.mission {
  padding: 100px 32px;
  background: var(--green);
}
.mission-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.mission-quote {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 400;
  line-height: 1.45;
  color: rgba(255,255,255,0.9);
  font-style: italic;
  margin-bottom: 40px;
}
.mission-cta-block {
  max-width: 580px;
  margin: 0 auto;
}
.mission-cta-text {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
}

/* ── Footer ───────────────────────────────────── */
.footer {
  background: var(--fg);
  color: rgba(255,255,255,0.7);
}
.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 64px 32px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.footer-logo span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: white;
}
.footer-tagline {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255,255,255,0.5);
}
.footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.footer-col-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links li {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}
.footer-bottom {
  max-width: 1140px;
  margin: 0 auto;
  padding: 20px 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

/* ── Responsive ──────────────────────────────── */
@media (max-width: 1024px) {
  .hero-content { gap: 40px; }
  .chiffres-grid { grid-template-columns: repeat(2, 1fr); }
  .chiffre-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .chiffre-card:nth-child(3) { border-bottom: none; }
  .offre-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { display: none; }
  .hero { padding: 48px 24px 0; }
  .chiffres { padding: 48px 24px; }
  .chiffres-grid { grid-template-columns: 1fr 1fr; }
  .offre { padding: 48px 24px; }
  .offre-grid { grid-template-columns: 1fr; }
  .accompagnement { grid-template-columns: 1fr; gap: 48px; }
  .accomp-visual-block { position: static; }
  .diff-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .hero-stripe-inner { gap: 16px; }
}

@media (max-width: 480px) {
  .chiffres-grid { grid-template-columns: 1fr; }
  .hero-stripe-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
  .stripe-dot { display: none; }
}