/* ============================================
   VALTRIXHUB - Landing Page CarPlay/Android Auto Bruxelles
   ============================================ */

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

:root {
  --color-bg: #FFFFFF;
  --color-text: #111111;
  --color-text-secondary: #6B6B6B;
  --color-accent: #0F4C81;
  --color-whatsapp: #25D366;
  --color-pack-bg: #F4F4F4;
  --color-border: #E5E5E5;
  --color-gold: #F4B400;
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-blue: 0 4px 16px rgba(15, 76, 129, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

html {
  scroll-behavior: smooth;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* SVG Global Control - IMPORTANT */
svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  line-height: 1;
}

.logo-valtrix {
  color: var(--color-text);
}

.logo-hub {
  color: var(--color-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: flex;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  align-items: center;
}

.lang-switch a {
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  text-decoration: none;
}

.lang-switch a:hover,
.lang-switch a.active {
  color: var(--color-accent);
}

.lang-switch .separator {
  color: var(--color-text-secondary);
}

.btn-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-header:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

.btn-header svg {
  width: 16px;
  height: 16px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  padding: 120px 0 60px;
  text-align: center;
}

.hero-content {
  max-width: 680px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 76, 129, 0.08);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

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

.hero h1 {
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: var(--color-text);
  line-height: 1.15;
}

.hero h1 .highlight {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.hero-benefits {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

.hero-benefits span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-benefits svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
}

.hero-price {
  margin-bottom: 24px;
}

.price-main {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  letter-spacing: -0.03em;
}

.price-note {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: 6px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-accent);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  padding: 16px 28px;
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
  box-shadow: var(--shadow-blue);
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 76, 129, 0.35);
}

.btn-primary svg {
  width: 20px;
  height: 20px;
}

/* Social Proof */
.social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.stars {
  display: flex;
  gap: 2px;
}

.stars svg {
  width: 16px;
  height: 16px;
  color: var(--color-gold);
  fill: var(--color-gold);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
  padding: 70px 0;
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.section-header h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: 12px;
  color: var(--color-text);
}

.section-header p {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  max-width: 850px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(15, 76, 129, 0.03);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  border-left: 3px solid transparent;
}

.feature-item:hover {
  background: rgba(15, 76, 129, 0.06);
  border-left-color: var(--color-accent);
}

.feature-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  margin-top: 2px;
}

.feature-item span {
  font-size: 0.9375rem;
  color: var(--color-text);
}

.features-footer {
  text-align: center;
  margin-top: 28px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
  padding: 70px 0;
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.service-card {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-medium);
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-blue);
  transform: translateY(-4px);
}

.service-card.featured {
  background: var(--color-pack-bg);
  border-color: var(--color-accent);
  position: relative;
}

.service-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-accent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.service-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
  width: fit-content;
}

.service-badge svg {
  width: 12px;
  height: 12px;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 6px;
  color: var(--color-text);
}

.service-compat {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 12px;
}

.service-price {
  margin-bottom: 18px;
}

.service-price .price {
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.service-price .note {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.service-features {
  list-style: none;
  margin-bottom: 20px;
  flex-grow: 1;
  padding: 0;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.service-features li svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
}

.service-card .btn-primary {
  width: 100%;
  font-size: 0.9375rem;
  padding: 14px 20px;
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process {
  padding: 70px 0;
  background: var(--color-bg);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 20px;
  right: -12px;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  display: none;
}

@media (min-width: 768px) {
  .process-step:not(:last-child)::after {
    display: block;
  }
}

.step-number {
  width: 44px;
  height: 44px;
  background: var(--color-accent);
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  box-shadow: 0 4px 12px rgba(15, 76, 129, 0.25);
}

.process-step h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--color-text);
}

.process-step p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.process-footer {
  text-align: center;
  margin-top: 36px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery {
  padding: 70px 0;
  background: var(--color-bg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-pack-bg);
  border: 2px solid var(--color-border);
  transition: var(--transition-medium);
}

.gallery-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-blue);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-medium);
  display: block;
}

.gallery-item:hover img {
  transform: scale(1.02);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px;
  background: linear-gradient(transparent, rgba(15, 76, 129, 0.9));
  color: white;
  font-size: 0.875rem;
  font-weight: 500;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
  padding: 70px 0;
  background: var(--color-bg);
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: inherit;
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-question svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  transition: var(--transition-fast);
  margin-left: 16px;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium);
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding-bottom: 20px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================
   LOCATION SECTION
   ============================================ */
.location {
  padding: 50px 0;
  background: var(--color-pack-bg);
  text-align: center;
  border-top: 3px solid var(--color-accent);
}

.location h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

.location p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
  padding: 80px 0;
  background: var(--color-bg);
  text-align: center;
}

.cta-content {
  max-width: 560px;
  margin: 0 auto;
}

.cta h2 {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  margin-bottom: 8px;
  color: var(--color-text);
}

.cta-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
}

.cta-benefits {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin: 0 0 28px;
}

.cta-benefits span {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.floating-whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
}

.floating-whatsapp a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  background: var(--color-whatsapp);
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: var(--transition-fast);
  text-decoration: none;
}

.floating-whatsapp a:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.floating-whatsapp svg {
  width: 26px;
  height: 26px;
  color: white;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 36px 0;
  background: var(--color-bg);
  border-top: 2px solid var(--color-accent);
  text-align: center;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1;
}

.footer p {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .header-inner {
    height: 56px;
  }
  
  .logo {
    font-size: 1.15rem;
  }
  
  .btn-header span {
    display: none;
  }
  
  .btn-header {
    padding: 10px;
  }
  
  .hero {
    padding: 100px 0 50px;
  }
  
  .hero-benefits {
    flex-direction: column;
    gap: 10px;
  }
  
  .price-main {
    font-size: 2.8rem;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .process-step:not(:last-child)::after {
    display: none;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .floating-whatsapp {
    bottom: 16px;
    right: 16px;
  }
  
  .floating-whatsapp a {
    width: 48px;
    height: 48px;
  }
  
  .cta-benefits {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .service-card {
    padding: 22px;
  }
  
  .btn-primary {
    padding: 14px 20px;
    font-size: 0.9375rem;
    width: 100%;
    max-width: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}