/* ============================================
   PANNEAU SOLAIRE BLOIS — Design System
   Couleurs : Ambre #F59E0B / Bleu nuit #1E3A5F
   ============================================ */

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

:root {
  --primary: #F59E0B;
  --primary-dark: #D97706;
  --primary-light: #FDE68A;
  --secondary: #1E3A5F;
  --secondary-dark: #0F2341;
  --secondary-light: #2D5A8E;
  --accent: #10B981;
  --accent-light: #D1FAE5;
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --danger: #EF4444;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }

/* Typography */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); line-height: 1.2; color: var(--secondary); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 3vw, 1.75rem); font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }
p { margin-bottom: 1rem; color: var(--gray-600); }

/* Container */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== HEADER ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; max-width: 1200px; margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-heading); font-weight: 700; font-size: 1.2rem; color: var(--secondary); }
.logo svg { width: 36px; height: 36px; }
.logo-text span { color: var(--primary); }

.nav-menu { display: flex; align-items: center; gap: 28px; }
.nav-menu a { font-size: 0.9rem; font-weight: 500; color: var(--gray-600); position: relative; }
.nav-menu a:hover, .nav-menu a.active { color: var(--secondary); }
.nav-menu a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--primary); transition: var(--transition);
}
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }

.header-cta { display: inline-flex; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
.hamburger span { width: 24px; height: 2px; background: var(--secondary); transition: var(--transition); display: block; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-full); font-weight: 600;
  font-size: 0.95rem; cursor: pointer; border: none; transition: var(--transition);
  text-align: center; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: var(--white); box-shadow: 0 4px 14px rgba(245,158,11,0.4); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,158,11,0.5); }
.btn-secondary { background: var(--secondary); color: var(--white); }
.btn-secondary:hover { background: var(--secondary-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--secondary); border: 2px solid var(--secondary); }
.btn-outline:hover { background: var(--secondary); color: var(--white); }
.btn-white { background: var(--white); color: var(--secondary); }
.btn-white:hover { background: var(--gray-100); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-lg { padding: 18px 36px; font-size: 1.05rem; }

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 90vh; display: flex; align-items: center;
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 50%, var(--secondary-light) 100%);
  overflow: hidden; margin-top: 64px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url('https://images.pexels.com/photos/9875678/pexels-photo-9875678.jpeg?auto=compress&cs=tinysrgb&h=650&w=940') center/cover;
  opacity: 0.15;
}
.hero-pattern {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(245,158,11,0.1) 0%, transparent 50%),
                     radial-gradient(circle at 80% 20%, rgba(245,158,11,0.08) 0%, transparent 40%);
}
.hero-content { position: relative; z-index: 2; }
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px;
  background: rgba(245,158,11,0.15); border: 1px solid rgba(245,158,11,0.3);
  border-radius: var(--radius-full); color: var(--primary-light); font-size: 0.85rem; font-weight: 600;
  margin-bottom: 20px;
}
.hero-badge i { width: 16px; height: 16px; }
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 .highlight { color: var(--primary); }
.hero-text { color: rgba(255,255,255,0.8); font-size: 1.15rem; margin-bottom: 32px; line-height: 1.8; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 40px; }
.hero-stat { text-align: center; }
.hero-stat-value { font-family: var(--font-heading); font-size: 2rem; font-weight: 700; color: var(--primary); }
.hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 4px; }
.hero-visual { position: relative; z-index: 2; }
.hero-img-wrapper {
  position: relative; border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.hero-img-wrapper img { width: 100%; height: 400px; object-fit: cover; }
.hero-float-card {
  position: absolute; bottom: -20px; left: -20px;
  background: var(--white); padding: 16px 24px; border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px;
}
.hero-float-icon { width: 48px; height: 48px; background: var(--accent-light); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--accent); }
.hero-float-text strong { display: block; font-size: 1.1rem; color: var(--secondary); }
.hero-float-text span { font-size: 0.8rem; color: var(--gray-500); }

/* ===== SECTIONS ===== */
section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .overline {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 600; color: var(--primary); text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 12px;
}
.section-header h2 { margin-bottom: 16px; }
.section-header p { max-width: 640px; margin: 0 auto; color: var(--gray-500); font-size: 1.05rem; }
.bg-light { background: var(--gray-50); }
.bg-dark { background: var(--secondary); color: var(--white); }
.bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--white); }
.bg-dark p { color: rgba(255,255,255,0.7); }

/* ===== SIMULATOR ===== */
.simulator-section { background: linear-gradient(135deg, var(--gray-50), var(--white)); }
.simulator-card {
  background: var(--white); border-radius: var(--radius-xl); padding: 48px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--gray-200);
  max-width: 800px; margin: 0 auto;
}
.simulator-card h3 { text-align: center; margin-bottom: 32px; }
.sim-form { display: grid; gap: 24px; }
.sim-field label { display: block; font-weight: 600; color: var(--secondary); margin-bottom: 8px; font-size: 0.9rem; }
.sim-field input, .sim-field select {
  width: 100%; padding: 14px 16px; border: 2px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: 1rem; font-family: var(--font-body); transition: var(--transition);
  background: var(--gray-50);
}
.sim-field input:focus, .sim-field select:focus { border-color: var(--primary); outline: none; background: var(--white); }
.sim-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.sim-range { position: relative; }
.sim-range input[type="range"] {
  -webkit-appearance: none; width: 100%; height: 8px; border-radius: 4px;
  background: var(--gray-200); outline: none; border: none; padding: 0;
}
.sim-range input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%;
  background: var(--primary); cursor: pointer; box-shadow: 0 2px 8px rgba(245,158,11,0.4);
}
.sim-range .range-value {
  text-align: center; font-family: var(--font-heading); font-size: 1.5rem;
  font-weight: 700; color: var(--primary); margin-top: 8px;
}
.sim-results {
  display: none; margin-top: 32px; padding: 32px; background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  border-radius: var(--radius-lg); color: var(--white);
}
.sim-results.show { display: block; animation: fadeInUp 0.5s ease; }
.sim-results-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; text-align: center; margin-bottom: 24px; }
.sim-result-item h4 { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: 8px; font-weight: 500; }
.sim-result-item .value { font-family: var(--font-heading); font-size: 2rem; font-weight: 700; color: var(--primary); }
.sim-result-item .unit { font-size: 0.85rem; color: rgba(255,255,255,0.5); }

/* ===== CARDS ===== */
.card {
  background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-img { height: 200px; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.card:hover .card-img img { transform: scale(1.05); }
.card-body { padding: 24px; }
.card-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card-body p { font-size: 0.9rem; margin-bottom: 16px; }

/* City cards */
.city-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.city-card {
  display: flex; align-items: center; gap: 16px; padding: 20px;
  background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md);
  transition: var(--transition);
}
.city-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.city-card-icon {
  width: 48px; height: 48px; min-width: 48px; background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  color: var(--white); font-family: var(--font-heading); font-weight: 700; font-size: 0.85rem;
}
.city-card-info h4 { font-size: 1rem; margin-bottom: 2px; }
.city-card-info span { font-size: 0.8rem; color: var(--gray-500); }

/* Installer cards */
.installer-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 24px; }
.installer-card { padding: 28px; }
.installer-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.installer-card-header h3 { font-size: 1.1rem; }
.installer-rating { display: flex; align-items: center; gap: 4px; font-weight: 600; color: var(--primary); }
.installer-rating i { width: 16px; height: 16px; }
.installer-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.installer-badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px;
  background: var(--accent-light); color: var(--accent); border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 600;
}
.installer-location { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--gray-500); margin-bottom: 16px; }
.installer-location i { width: 14px; height: 14px; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--gray-200); border-radius: var(--radius-md);
  margin-bottom: 12px; overflow: hidden; transition: var(--transition);
}
.faq-item.active { border-color: var(--primary); box-shadow: 0 2px 12px rgba(245,158,11,0.15); }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px; cursor: pointer; font-weight: 600; color: var(--secondary);
  background: none; border: none; width: 100%; text-align: left; font-family: var(--font-body);
  font-size: 1rem; transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question i { width: 20px; height: 20px; transition: var(--transition); flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
.faq-item.active .faq-answer { max-height: 500px; padding: 0 24px 20px; }
.faq-answer p { font-size: 0.95rem; color: var(--gray-600); margin-bottom: 0; }

/* ===== AIDES SECTION ===== */
.aides-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.aide-card { padding: 32px; text-align: center; border-top: 4px solid var(--primary); }
.aide-card-icon {
  width: 64px; height: 64px; margin: 0 auto 20px; background: linear-gradient(135deg, rgba(245,158,11,0.1), rgba(245,158,11,0.05));
  border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.aide-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.aide-amount { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--primary); margin: 12px 0; }

/* ===== LEADRS FORM ===== */
.leadrs-section { padding: 60px 0; }
.leadrs-wrapper {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  border-radius: var(--radius-xl); padding: 40px; text-align: center;
}
.leadrs-wrapper h2 { color: var(--white); margin-bottom: 8px; }
.leadrs-wrapper p { color: rgba(255,255,255,0.7); margin-bottom: 24px; }
.leadrs-iframe-container { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; }
.leadrs-iframe-container iframe { width: 100%; min-height: 800px; border: none; display: block; }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  padding: 16px 0; margin-top: 64px;
  background: var(--gray-50); border-bottom: 1px solid var(--gray-200);
}
.breadcrumb-list { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 0.85rem; }
.breadcrumb-list a { color: var(--gray-500); }
.breadcrumb-list a:hover { color: var(--primary); }
.breadcrumb-list .separator { color: var(--gray-400); }
.breadcrumb-list .current { color: var(--secondary); font-weight: 600; }

/* ===== VILLE PAGE ===== */
.ville-hero {
  padding: 60px 0; margin-top: 64px;
  background: linear-gradient(135deg, var(--secondary-dark), var(--secondary));
  color: var(--white); position: relative; overflow: hidden;
}
.ville-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 50%, rgba(245,158,11,0.12), transparent 60%);
}
.ville-hero h1 { color: var(--white); margin-bottom: 16px; }
.ville-hero h1 .highlight { color: var(--primary); }
.ville-meta { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 24px; }
.ville-meta-item { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.8); font-size: 0.9rem; }
.ville-meta-item i { width: 18px; height: 18px; color: var(--primary); }
.ville-content { padding: 60px 0; }
.ville-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
.ville-main h2 { margin-bottom: 16px; margin-top: 40px; }
.ville-main h2:first-child { margin-top: 0; }
.ville-sidebar { position: sticky; top: 100px; align-self: start; }
.sidebar-card { background: var(--gray-50); border-radius: var(--radius-lg); padding: 28px; margin-bottom: 24px; border: 1px solid var(--gray-200); }
.sidebar-card h3 { font-size: 1rem; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--primary); }

/* ===== LISTING / PAGINATION ===== */
.listing-header { padding: 60px 0 40px; margin-top: 64px; background: var(--gray-50); border-bottom: 1px solid var(--gray-200); }
.listing-header h1 { margin-bottom: 8px; }
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px;
}
.filter-btn {
  padding: 8px 16px; border: 2px solid var(--gray-200); border-radius: var(--radius-full);
  background: var(--white); font-size: 0.85rem; font-weight: 600; color: var(--gray-600);
  cursor: pointer; transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active { border-color: var(--primary); color: var(--primary); background: rgba(245,158,11,0.05); }
.search-box {
  display: flex; gap: 12px; margin-top: 20px; max-width: 480px;
}
.search-box input {
  flex: 1; padding: 12px 16px; border: 2px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: 0.95rem; font-family: var(--font-body);
}
.search-box input:focus { border-color: var(--primary); outline: none; }
.pagination {
  display: flex; justify-content: center; gap: 8px; margin-top: 40px;
}
.pagination a, .pagination span {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200); font-weight: 600; font-size: 0.9rem;
  transition: var(--transition);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* ===== VOISINES ===== */
.voisines-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.voisine-link {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  background: var(--gray-50); border-radius: var(--radius-sm); font-size: 0.9rem;
  font-weight: 500; transition: var(--transition); border: 1px solid transparent;
}
.voisine-link:hover { background: var(--white); border-color: var(--primary); color: var(--primary); }
.voisine-link i { width: 14px; height: 14px; color: var(--primary); }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--secondary-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { margin-top: 16px; font-size: 0.9rem; }
.footer-col h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 0.9rem; padding: 4px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.85rem;
}

/* Sticky CTA footer */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
  background: var(--primary); padding: 12px 20px;
  display: flex; align-items: center; justify-content: center; gap: 16px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
  transform: translateY(100%); transition: var(--transition);
}
.sticky-cta.show { transform: translateY(0); }
.sticky-cta p { color: var(--white); font-weight: 600; margin: 0; font-size: 0.95rem; }
.sticky-cta .btn { background: var(--white); color: var(--primary); padding: 10px 24px; }
.sticky-cta .btn:hover { background: var(--gray-100); }
.sticky-cta-close {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--white); cursor: pointer;
  font-size: 1.2rem; opacity: 0.7;
}
.sticky-cta-close:hover { opacity: 1; }

/* ===== EXIT POPUP ===== */
.exit-popup {
  position: fixed; inset: 0; z-index: 10000; display: none; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
}
.exit-popup.show { display: flex; }
.exit-popup-content {
  background: var(--white); border-radius: var(--radius-xl); padding: 48px;
  max-width: 520px; width: 90%; text-align: center; position: relative;
  animation: popIn 0.4s ease;
}
.exit-popup-close {
  position: absolute; top: 16px; right: 16px; background: none; border: none;
  font-size: 1.5rem; color: var(--gray-400); cursor: pointer;
}
.exit-popup-close:hover { color: var(--gray-700); }
.exit-popup-content h2 { margin-bottom: 12px; font-size: 1.5rem; }
.exit-popup-content p { margin-bottom: 24px; }

/* ===== REVEAL ANIMATIONS ===== */
.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); }
.reveal-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.reveal-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.reveal-on-scroll:nth-child(4) { transition-delay: 0.3s; }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes popIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

/* ===== 404 PAGE ===== */
.page-404 {
  min-height: 80vh; display: flex; align-items: center; justify-content: center;
  text-align: center; margin-top: 64px;
}
.page-404 h1 { font-size: 8rem; color: var(--primary); line-height: 1; margin-bottom: 16px; }
.page-404 h2 { margin-bottom: 16px; }
.page-404 p { margin-bottom: 32px; }
.page-404-links { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .ville-grid { grid-template-columns: 1fr; }
  .ville-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 56px 0; }
  .nav-menu { display: none; }
  .header-cta { display: none; }
  .hamburger { display: flex; }
  .nav-menu.open {
    display: flex; flex-direction: column; position: absolute;
    top: 100%; left: 0; right: 0; background: var(--white);
    padding: 20px; gap: 16px; border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
  }
  .hero { min-height: 70vh; }
  .hero-stats { gap: 20px; }
  .sim-row { grid-template-columns: 1fr; }
  .sim-results-grid { grid-template-columns: 1fr; gap: 16px; }
  .installer-grid { grid-template-columns: 1fr; }
  .city-grid { grid-template-columns: 1fr 1fr; }
  .aides-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .simulator-card { padding: 24px; }
  .leadrs-wrapper { padding: 24px; }
  .leadrs-iframe-container iframe { min-height: 600px; }
  .filter-bar { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; }
  .voisines-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .city-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .pagination { gap: 4px; }
  .pagination a, .pagination span { width: 36px; height: 36px; font-size: 0.8rem; }
}

/* Utilities */
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 32px; }
.hidden { display: none !important; }