/* ============================================================
   G-RENOV — Styles spécifiques
   ============================================================ */

/* G-RENOV Hero */
.grenov-hero {
  position: relative;
  padding: 160px 0 100px;
  background: var(--grenov-primary);
  overflow: hidden;
}

.grenov-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 60% 20%, rgba(37, 99, 235, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(30, 58, 95, 0.25) 0%, transparent 50%);
}

.grenov-hero .container {
  position: relative;
  z-index: 1;
}

.grenov-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .grenov-hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.grenov-hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.grenov-hero h1 .highlight {
  color: #60A5FA;
}

.grenov-hero p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.15rem;
  margin-bottom: var(--space-xl);
}

.grenov-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* Prestations Grid */
.prestation-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-smooth);
}

.prestation-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: transparent;
}

.prestation-image {
  height: 200px;
  background: var(--grenov-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.prestation-image svg {
  width: 64px;
  height: 64px;
  color: rgba(255, 255, 255, 0.5);
}

.prestation-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, rgba(0,0,0,0.1), transparent);
}

.prestation-body {
  padding: var(--space-xl);
}

.prestation-body h4 {
  margin-bottom: var(--space-sm);
}

.prestation-body p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.prestation-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--grenov-accent);
  cursor: pointer;
  transition: gap var(--transition-smooth);
}

.prestation-link:hover {
  gap: 12px;
  color: var(--grenov-primary);
}

.prestation-link svg {
  width: 16px;
  height: 16px;
}

/* Gallery / Réalisations */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-secondary);
  background: var(--color-background);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--grenov-accent);
  color: var(--color-white);
  border-color: var(--grenov-accent);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

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

.gallery-item {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.gallery-item-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-fluid);
}

.gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

.gallery-item:hover .gallery-item-image,
.gallery-item:hover .gallery-placeholder {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
  color: var(--color-white);
  transform: translateY(100%);
  transition: transform var(--transition-smooth);
}

.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
}

.gallery-overlay h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 4px;
}

.gallery-overlay p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
}

/* Before/After */
.before-after-section {
  background: var(--color-background);
}

.before-after-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

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

.before-after-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.ba-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.ba-image {
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  font-family: var(--font-heading);
  font-weight: 600;
  color: rgba(255,255,255,0.7);
}

.ba-image::after {
  content: attr(data-label);
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-heading);
}

.ba-before {
  background: linear-gradient(135deg, #94A3B8 0%, #64748B 100%);
}

.ba-before::after {
  background: rgba(0,0,0,0.4);
  color: white;
}

.ba-after {
  background: var(--grenov-gradient);
}

.ba-after::after {
  background: rgba(37, 99, 235, 0.6);
  color: white;
}

.ba-info {
  padding: var(--space-lg);
  background: var(--color-white);
}

.ba-info h4 {
  margin-bottom: 4px;
}

.ba-info p {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* Devis Form */
.devis-section {
  background: var(--color-white);
}

.devis-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 1024px) {
  .devis-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.devis-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.devis-benefit {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.devis-benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--grenov-light);
  color: var(--grenov-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.devis-benefit-icon svg {
  width: 22px;
  height: 22px;
}

.devis-benefit h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.devis-benefit p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.devis-form-card {
  background: var(--color-background);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
}

.devis-form-card h3 {
  margin-bottom: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* Navbar G-RENOV */
.navbar-grenov {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
}

.navbar-grenov .navbar-logo span {
  color: var(--grenov-accent);
}

/* ============================================================
   Prestations — Grille de cartes avec accordion
   ============================================================ */

.presta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

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

@media (min-width: 1200px) {
  .presta-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Card */
.presta-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.presta-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(30, 58, 95, 0.12);
}

/* Top accent bar */
.presta-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

/* Badge for featured card */
.presta-card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, #0F172A 0%, #2563EB 100%);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-full);
}

/* Featured card ring */
.presta-card-featured {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(37, 99, 235, 0.08);
}

.presta-card-featured:hover {
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.18);
}

/* Icon circle */
.presta-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
}

/* Title */
.presta-card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

/* Excerpt */
.presta-card-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

/* Toggle button */
.presta-card-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--grenov-accent);
  padding: 8px 0;
  transition: color 0.2s, gap 0.3s;
}

.presta-card-toggle:hover {
  color: #1d4ed8;
  gap: 12px;
}

.presta-card-toggle svg {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.presta-card-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.presta-card-toggle[aria-expanded="true"] span {
  color: inherit;
}

/* Details (accordion panel) */
.presta-card-details {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease 0.05s,
              padding 0.35s ease;
  padding: 0;
}

.presta-card-details.is-open {
  max-height: 600px;
  opacity: 1;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-md);
}

.presta-card-details > p {
  font-size: 0.9rem;
  color: var(--color-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

/* Feature checklist inside details */
.presta-feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.presta-feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-secondary);
  line-height: 1.5;
}

.presta-feature-list li svg {
  flex-shrink: 0;
}