/* ============================================================
   G-GROUP — Page d'accueil (Landing Hub)
   Style: Liquid Glass + Enterprise Gateway
   ============================================================ */

/* Hero Section */
.hero-home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
}

.hero-home::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(3, 105, 161, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(37, 99, 235, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(12, 74, 110, 0.15) 0%, transparent 70%);
  animation: gradientShift 12s ease infinite;
  background-size: 200% 200%;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  animation: float var(--duration, 6s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  padding: var(--space-xl);
  padding-top: 120px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: var(--space-xl);
  font-family: var(--font-heading);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero-home h1 {
  color: var(--color-white);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  line-height: 1.1;
}

.hero-home h1 .text-gradient {
  background: linear-gradient(135deg, #38BDF8 0%, #0EA5E9 50%, #0284C7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.65);
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

/* Hub Cards */
.hub-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-xl);
}

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

.hub-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fluid);
  position: relative;
  overflow: hidden;
}

.hub-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.hub-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  background: rgba(255, 255, 255, 0.1);
}

.hub-card:hover::before {
  opacity: 1;
}

.hub-card-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  position: relative;
  z-index: 1;
}

.hub-card-icon svg {
  width: 36px;
  height: 36px;
}

.hub-card-therm .hub-card-icon {
  background: rgba(3, 105, 161, 0.2);
  color: #38BDF8;
}

.hub-card-renov .hub-card-icon {
  background: rgba(37, 99, 235, 0.2);
  color: #60A5FA;
}

.hub-card h3 {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.hub-card p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.hub-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #38BDF8;
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  position: relative;
  z-index: 1;
  transition: gap var(--transition-smooth);
}

.hub-card:hover .card-link {
  gap: 14px;
}

.hub-card .card-link svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-smooth);
}

.hub-card:hover .card-link svg {
  transform: translateX(4px);
}

/* About Section  */
.about-section {
  padding: var(--space-4xl) 0;
  background: var(--color-background);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

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

.about-visual {
  position: relative;
}

.about-visual-card {
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-visual-card::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(3, 105, 161, 0.35) 0%, transparent 70%);
  border-radius: 50%;
}

.about-visual-card h3 {
  color: var(--color-white);
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.about-visual-card p {
  color: rgba(255, 255, 255, 0.7);
  position: relative;
  z-index: 1;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  position: relative;
  z-index: 1;
}

.about-stat-box {
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  text-align: center;
}

.about-stat-box .stat-number {
  color: #38BDF8;
  font-size: 1.75rem;
}

.about-stat-box .stat-label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
}

.about-text h2 {
  margin-bottom: var(--space-lg);
}

.about-text p {
  margin-bottom: var(--space-md);
  font-size: 1.05rem;
}

.values-list {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

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

.value-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gtherm-light);
  color: var(--gtherm-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.value-icon svg {
  width: 20px;
  height: 20px;
}

.value-content h4 {
  margin-bottom: 4px;
  font-size: 1rem;
}

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

/* Expertise Sections */
.expertise-section {
  padding: var(--space-4xl) 0;
  background: var(--color-white);
}

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

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

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

.expertise-card {
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  background: var(--color-background);
  border: 1px solid var(--color-border);
  transition: all var(--transition-smooth);
}

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

.expertise-card .icon-box {
  margin-bottom: var(--space-lg);
}

.expertise-card h4 {
  margin-bottom: var(--space-sm);
}

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

/* Partners / Clients */
.partners-section {
  padding: var(--space-3xl) 0;
  background: var(--color-background);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.partners-label {
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: var(--space-xl);
  font-weight: 500;
}

.partners-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
  opacity: 0.5;
}

.partners-logos span {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--color-secondary);
}

/* CTA Section Home */
.cta-home {
  padding: var(--space-4xl) 0;
  background: var(--color-white);
}

/* Navbar Home specific - transparent on top */
.navbar-home {
  background: transparent;
}

.navbar-home.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
}

.navbar-home .navbar-logo {
  color: var(--color-white);
}

.navbar-home .navbar-links a {
  color: rgba(255, 255, 255, 0.8);
}

.navbar-home .navbar-links a:hover,
.navbar-home .navbar-links a.active {
  color: var(--color-white);
}

.navbar-home .menu-toggle span {
  background: var(--color-white);
}

.navbar-home.scrolled .navbar-links a {
  color: rgba(255, 255, 255, 0.8);
}

.navbar-home.scrolled .menu-toggle span {
  background: var(--color-white);
}