/* ========================================
   PANNEAU SOLAIRE ROUBAIX — STYLES
   Mobile-first · Solar Energy Design
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@700;800&display=swap');

/* ---- CSS Variables ---- */
:root {
  --primary: #0077B6;
  --primary-dark: #005A8C;
  --primary-light: #00A8E8;
  --secondary: #F59E0B;
  --secondary-dark: #D97706;
  --secondary-light: #FBBF24;
  --solar-gradient: linear-gradient(135deg, #0077B6 0%, #00A8E8 50%, #F59E0B 100%);
  --hero-gradient: linear-gradient(135deg, #001d3d 0%, #003566 40%, #0077B6 100%);
  --bg: #FFFFFF;
  --bg-alt: #F0F7FC;
  --bg-dark: #001d3d;
  --text: #1a1a2e;
  --text-light: #5a6677;
  --text-muted: #8896a6;
  --border: #E2E8F0;
  --card-shadow: 0 4px 24px rgba(0,0,0,0.06);
  --card-shadow-hover: 0 12px 40px rgba(0,119,182,0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  --max-width: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  padding-bottom: 70px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--secondary); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); }
p { margin-bottom: var(--space-md); }

/* ---- Container ---- */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-md); }

/* ---- Navigation ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-sm) 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text);
  white-space: nowrap;
}
.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--solar-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  flex-shrink: 0;
}
.nav-logo span.accent { color: var(--secondary); }
.nav-links { display: none; gap: var(--space-lg); align-items: center; }
.nav-links > a,
.nav-links > .nav-dropdown > .nav-dropdown-trigger {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: var(--space-xs) 0;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}
.nav-links > a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: width var(--transition);
}
.nav-links > a:hover::after { width: 100%; }
.nav-cta {
  background: var(--secondary);
  color: white !important;
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--secondary-dark); transform: translateY(-1px); color: white !important; }
.nav-cta::after { display: none !important; }

/* ---- Mega Menu ---- */
.nav-dropdown { position: relative; }
.nav-dropdown-trigger { background: none; border: none; font-family: inherit; }
.nav-mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.25s ease;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
  padding: var(--space-lg);
  min-width: 520px;
  z-index: 100;
}
.nav-dropdown:hover .nav-mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(4px);
}
.mega-menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.mega-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  transition: background 0.2s ease;
  color: var(--text);
}
.mega-item:hover { background: var(--bg-alt); color: var(--text); }
.mega-item::after { display: none !important; }
.mega-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.mega-title { font-weight: 700; font-size: 0.9rem; line-height: 1.3; }
.mega-desc { font-size: 0.75rem; color: var(--text-muted); line-height: 1.3; }

/* Mobile menu toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}
.nav-toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: var(--space-3xl) var(--space-lg);
  flex-direction: column;
  gap: var(--space-md);
  overflow-y: auto;
}
.nav-mobile.active { display: flex; }
.nav-mobile > a {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}
.nav-mobile .close-menu {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text);
}

/* Mobile solutions submenu */
.mobile-solutions-toggle {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.mobile-solutions-list {
  display: none;
  flex-direction: column;
  padding-left: var(--space-md);
  gap: 0;
}
.mobile-solutions-list.open { display: flex; }
.mobile-solutions-list a {
  font-size: 1rem !important;
  padding: 10px 0 !important;
  border-bottom: 1px dashed var(--border) !important;
  color: var(--text-light) !important;
}
.mobile-solutions-list a:hover { color: var(--primary) !important; }

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
}

/* ---- Hero ---- */
.hero {
  background: var(--hero-gradient);
  color: white;
  padding: var(--space-3xl) 0 var(--space-2xl);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,168,232,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.3);
  color: var(--secondary-light);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  width: fit-content;
  margin-bottom: var(--space-md);
}
.hero h1 { color: white; margin-bottom: var(--space-md); }
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}
.hero-stat { text-align: center; }
.hero-stat .number {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--secondary);
  display: block;
}
.hero-stat .label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}
.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.hero-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

@media (min-width: 768px) {
  .hero-inner { grid-template-columns: 1fr 1fr; align-items: center; }
  .hero-image img { height: 400px; }
}

/* ---- Solution Hero ---- */
.solution-hero {
  background: var(--hero-gradient);
  color: white;
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}
.solution-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245,158,11,0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.solution-hero h1 { color: white; margin-bottom: var(--space-md); }
.solution-hero .hero-subtitle { max-width: 600px; }

/* ---- Solution Metrics ---- */
.solution-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}
@media (min-width: 768px) {
  .solution-metrics-grid { grid-template-columns: repeat(4, 1fr); }
}
.metric-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: all var(--transition);
}
.metric-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}
.metric-value {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}
.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- Solution Cards ---- */
.solution-card-link { color: var(--text); display: block; }
.solution-card-link:hover { color: var(--text); }
.solution-card { padding: 0; overflow: hidden; }
.solution-card-img { overflow: hidden; }
.solution-card-img img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.solution-card:hover .solution-card-img img { transform: scale(1.05); }

/* ---- PVGIS Chart ---- */
.pvgis-chart { display: flex; flex-direction: column; gap: 8px; }
.chart-bar-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.chart-label {
  width: 32px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: right;
  flex-shrink: 0;
}
.chart-bar-bg {
  flex: 1;
  height: 20px;
  background: var(--bg-alt);
  border-radius: 4px;
  overflow: hidden;
}
.chart-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1s ease;
  min-width: 4px;
}
.chart-value {
  width: 30px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text);
  text-align: left;
  flex-shrink: 0;
}

/* ---- Solutions Grid on Homepage ---- */
.solutions-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
@media (min-width: 600px) {
  .solutions-showcase { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .solutions-showcase { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1100px) {
  .solutions-showcase { grid-template-columns: repeat(4, 1fr); }
}
.solution-mini-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  color: var(--text);
}
.solution-mini-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,119,182,0.1);
  transform: translateY(-2px);
  color: var(--text);
}
.solution-mini-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.solution-mini-title { font-weight: 700; font-size: 0.9rem; line-height: 1.3; }
.solution-mini-desc { font-size: 0.75rem; color: var(--text-muted); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  justify-content: center;
}
.btn-primary { background: var(--secondary); color: white; }
.btn-primary:hover { background: var(--secondary-dark); color: white; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.3); }
.btn-secondary { background: white; color: var(--primary); border: 2px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: white; }
.btn-outline-white { background: transparent; color: white; border: 2px solid rgba(255,255,255,0.3); }
.btn-outline-white:hover { background: white; color: var(--primary); }
.btn-lg { padding: 16px 36px; font-size: 1.1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }

/* ---- Section ---- */
.section { padding: var(--space-2xl) 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: white; }
.section-dark h2, .section-dark h3 { color: white; }
.section-header { text-align: center; margin-bottom: var(--space-xl); }
.section-header .section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(0,119,182,0.1);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}
.section-header p {
  color: var(--text-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: var(--space-md) auto 0;
}

/* ---- Cards ---- */
.card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }

/* ---- Grid layouts ---- */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---- City Cards ---- */
.city-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  color: var(--text);
}
.city-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,119,182,0.1);
  transform: translateY(-2px);
  color: var(--text);
}
.city-card .city-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-alt);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
}
.city-card .city-info .city-name { font-weight: 600; font-size: 0.95rem; }
.city-card .city-info .city-zip { font-size: 0.8rem; color: var(--text-muted); }

/* ---- Installer Cards ---- */
.installer-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
  transition: all var(--transition);
}
.installer-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.installer-card .installer-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}
.installer-card .installer-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.installer-card .installer-location {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.installer-card .installer-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  color: var(--secondary);
  font-size: 0.95rem;
}
.installer-card .certifications {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-green { background: #ECFDF5; color: #059669; }
.badge-blue { background: #EFF6FF; color: #2563EB; }
.badge-orange { background: #FFF7ED; color: #EA580C; }
.badge-primary { background: rgba(0,119,182,0.1); color: var(--primary); }
.installer-card .installer-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}
.installer-card .installer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.installer-card .avis-count {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---- Simulateur ---- */
.simulator-wrapper {
  background: linear-gradient(135deg, #001d3d 0%, #003566 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  color: white;
  position: relative;
  overflow: hidden;
}
.simulator-wrapper::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245,158,11,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.simulator-form { position: relative; z-index: 1; }
.simulator-form label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
}
.simulator-form .form-group { margin-bottom: var(--space-lg); }
.simulator-form input[type="range"] {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255,255,255,0.2);
  border-radius: 3px;
  outline: none;
}
.simulator-form input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  background: var(--secondary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.simulator-form input[type="range"]::-moz-range-thumb {
  width: 24px;
  height: 24px;
  background: var(--secondary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}
.simulator-form select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.1);
  color: white;
  font-size: 1rem;
  outline: none;
}
.simulator-form select option { color: var(--text); background: white; }
.range-value {
  display: inline-flex;
  background: var(--secondary);
  color: white;
  padding: 4px 12px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 1.1rem;
  margin-left: var(--space-sm);
}
.simulator-results {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}
.simulator-results .result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}
.simulator-results .result-item { text-align: center; padding: var(--space-md); }
.simulator-results .result-value {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--secondary);
  display: block;
}
.simulator-results .result-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

@media (min-width: 768px) {
  .simulator-results .result-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ---- Leadrs Iframe ---- */
.leadrs-section { padding: var(--space-xl) 0; }
.leadrs-wrapper {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border);
}
.leadrs-wrapper iframe { display: block; width: 100%; min-height: 800px; border: none; }

/* ---- FAQ ---- */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item.active { border-color: var(--primary); box-shadow: 0 4px 16px rgba(0,119,182,0.1); }
.faq-question {
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  background: white;
  font-size: 0.95rem;
}
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item.active .faq-question::after { content: '−'; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.active .faq-answer { max-height: 500px; }
.faq-answer-inner {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  padding: var(--space-md) 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 var(--space-sm); color: var(--text-muted); }

/* ---- Pagination ---- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  color: var(--text);
  transition: all var(--transition);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); background: var(--bg-alt); }
.pagination .active { background: var(--primary); color: white; border-color: var(--primary); }

/* ---- Alphabet Filter ---- */
.alpha-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-lg);
  justify-content: center;
}
.alpha-filter a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  color: var(--text);
  transition: all var(--transition);
}
.alpha-filter a:hover, .alpha-filter a.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ---- Search ---- */
.search-box {
  position: relative;
  max-width: 500px;
  margin: 0 auto var(--space-xl);
}
.search-box input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border: 2px solid var(--border);
  border-radius: 50px;
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition);
}
.search-box input:focus { border-color: var(--primary); }
.search-box .search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* ---- Footer ---- */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-2xl) 0 var(--space-lg);
}
.footer h4 { color: white; margin-bottom: var(--space-md); font-size: 1.1rem; }
.footer-grid, .footer-grid-5 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.footer a { color: rgba(255,255,255,0.7); }
.footer a:hover { color: var(--secondary); }
.footer ul li { margin-bottom: var(--space-sm); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  text-align: center;
  font-size: 0.85rem;
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .footer-grid-5 { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; }
}
@media (max-width: 767px) {
  .footer-grid-5 { grid-template-columns: 1fr 1fr; }
}

/* ---- Sticky Footer CTA ---- */
.sticky-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary);
  color: white;
  padding: 12px var(--space-md);
  z-index: 998;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}
.sticky-footer.visible { transform: translateY(0); }
.sticky-footer .sticky-text { font-weight: 600; font-size: 0.9rem; }
.sticky-footer .btn { padding: 10px 24px; font-size: 0.85rem; background: var(--secondary); color: white; }
.sticky-footer .btn:hover { background: var(--secondary-dark); }

@media (min-width: 768px) {
  .sticky-footer { padding: 14px var(--space-lg); }
}

/* ---- Exit Popup ---- */
.exit-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}
.exit-popup-overlay.active { display: flex; }
.exit-popup {
  background: white;
  border-radius: var(--radius-xl);
  max-width: 480px;
  width: 100%;
  padding: var(--space-xl);
  text-align: center;
  position: relative;
  animation: popupIn 0.3s ease;
}
@keyframes popupIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.exit-popup .close-popup {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition);
}
.exit-popup .close-popup:hover { color: var(--text); }
.exit-popup .popup-icon {
  width: 64px;
  height: 64px;
  background: var(--bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 2rem;
}
.exit-popup h3 { margin-bottom: var(--space-sm); }
.exit-popup p { color: var(--text-light); margin-bottom: var(--space-lg); }

/* ---- Reveal on scroll ---- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Aides page ---- */
.aide-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
  transition: all var(--transition);
}
.aide-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.aide-card .aide-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}
.aide-card .aide-amount {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

/* ---- Ville page ---- */
.ville-hero {
  background: var(--hero-gradient);
  color: white;
  padding: var(--space-2xl) 0;
  position: relative;
}
.ville-hero h1 { color: white; margin-bottom: var(--space-md); }
.ville-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.ville-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
}
.ensoleillement-bar {
  height: 8px;
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
  overflow: hidden;
  margin-top: var(--space-sm);
}
.ensoleillement-bar .fill {
  height: 100%;
  background: var(--secondary);
  border-radius: 4px;
  transition: width 1s ease;
}

/* Neighbor cities */
.neighbor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}
@media (min-width: 768px) {
  .neighbor-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .neighbor-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ---- CTA Section ---- */
.cta-section {
  background: var(--solar-gradient);
  padding: var(--space-2xl) 0;
  color: white;
  text-align: center;
}
.cta-section h2 { color: white; margin-bottom: var(--space-md); }
.cta-section p { color: rgba(255,255,255,0.9); max-width: 600px; margin: 0 auto var(--space-lg); font-size: 1.1rem; }

/* ---- Features ---- */
.feature-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}
.feature-card .feature-icon {
  width: 64px;
  height: 64px;
  background: var(--bg-alt);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  color: var(--primary);
  font-size: 1.5rem;
}
.feature-card h3 { margin-bottom: var(--space-sm); font-size: 1.15rem; }
.feature-card p { color: var(--text-light); font-size: 0.9rem; }

/* ---- 404 page ---- */
.page-404 {
  text-align: center;
  padding: var(--space-3xl) 0;
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.page-404 .error-code {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 900;
  background: var(--solar-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-md);
}
.page-404 p { color: var(--text-light); font-size: 1.1rem; max-width: 500px; margin: 0 auto var(--space-xl); }

/* ---- Content page ---- */
.content-page { padding: var(--space-xl) 0; }
.content-page h2 { margin: var(--space-xl) 0 var(--space-md); }
.content-page h3 { margin: var(--space-lg) 0 var(--space-md); }
.content-page ul { margin: var(--space-md) 0; padding-left: var(--space-lg); }
.content-page ul li { margin-bottom: var(--space-sm); position: relative; padding-left: var(--space-lg); }
.content-page ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ---- Z-pattern sections ---- */
.z-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-bottom: var(--space-xl);
}
@media (min-width: 768px) {
  .z-section { grid-template-columns: 1fr 1fr; }
  .z-section.reverse .z-content { order: 2; }
  .z-section.reverse .z-image { order: 1; }
}
.z-image img { border-radius: var(--radius-lg); width: 100%; height: 300px; object-fit: cover; }

/* ---- Devis page ---- */
.devis-hero {
  background: var(--hero-gradient);
  color: white;
  padding: var(--space-2xl) 0;
  text-align: center;
}
.devis-hero h1 { color: white; margin-bottom: var(--space-md); }
.devis-hero p { color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto; font-size: 1.1rem; }

/* ---- Stars ---- */
.stars { color: var(--secondary); letter-spacing: 2px; }

/* ---- Utility ---- */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

/* ---- Responsive fine-tuning ---- */
@media (max-width: 480px) {
  .hero { padding: var(--space-2xl) 0 var(--space-xl); }
  .hero-stats { gap: var(--space-md); }
  .simulator-results .result-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: var(--space-xl) 0; }
}

@media (min-width: 1024px) {
  .container { padding: 0 var(--space-xl); }
}