/* ==========================================================================
   H2F SERVICE - SITE VITRINE & ESPACE ADMINISTRATION
   Direction Artistique : Bleu Nuit, Doré, Blanc, Gris - Moderne & Technologique
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600;700;800;900&display=swap');

:root {
  --color-primary: #0A1128;
  --color-primary-light: #141E3A;
  --color-primary-lighter: #1E293B;
  --color-gold: #D4AF37;
  --color-gold-light: #F4D06F;
  --color-gold-dark: #A58215;
  --color-gold-hover: #E5C07B;
  --color-gold-glow: rgba(212, 175, 55, 0.35);
  
  --color-bg-dark: #070B19;
  --color-bg-card: #0F172A;
  --color-bg-light: #F8FAFC;
  --color-bg-white: #FFFFFF;
  
  --color-text-main: #0F172A;
  --color-text-muted: #64748B;
  --color-text-light: #F8FAFC;
  --color-text-light-muted: #94A3B8;
  
  --color-border: #E2E8F0;
  --color-border-dark: #334155;
  
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --color-info: #38BDF8;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.2);
  --shadow-gold: 0 6px 20px rgba(212, 175, 55, 0.35);

  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* Reset & Base */
*, *::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(--color-text-main);
  background-color: var(--color-bg-light);
  line-height: 1.6;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
}

.text-gold {
  color: var(--color-gold) !important;
}

.gradient-gold-text {
  background: linear-gradient(135deg, #FDE047 0%, #D4AF37 50%, #B89020 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-align: center;
  white-space: nowrap;
}

.btn-primary-gold {
  background: linear-gradient(135deg, #F4D06F 0%, #D4AF37 50%, #AA820A 100%);
  color: #0A1128;
  box-shadow: var(--shadow-gold);
  border: none;
  border-radius: var(--radius-full);
  padding: 0.75rem 1.6rem;
  font-size: 0.95rem; /* slightly larger for readability */
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
}

.btn-primary-gold:hover {
  background: linear-gradient(135deg, #FDE047 0%, #E5C07B 50%, #C5A059 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.5);
  color: #000;
}

/* Responsive button scaling */
@media (max-width: 768px) {
  .btn-primary-gold {
    font-size: 0.9rem;
    padding: 0.65rem 1.2rem;
  }
}


.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #FFFFFF;
  transform: translateY(-2px);
  color: #FFF;
}

.btn-outline-gold {
  background: transparent;
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
}

.btn-outline-gold:hover {
  background: var(--color-gold);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
}

/* Badges */
.badge-gold {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid var(--color-gold);
  color: var(--color-gold-light);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 17, 40, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  transition: all var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-wrapper img {
  height: 48px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center; /* center navigation links */
  gap: 1.5rem; /* tighter spacing for balanced look */
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: #E2E8F0;
  position: relative;
  padding: 0.5rem 0.6rem; /* add horizontal padding for better click area */
  text-align: center;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-gold-light);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center; /* center CTA button horizontally */
}


/* Mobile Hamburger */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 1.8rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background: var(--color-primary);
  border-bottom: 2px solid var(--color-gold);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  box-shadow: 0 15px 30px rgba(0,0,0,0.5);
  transform: translateY(-120%);
  opacity: 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  z-index: 99;
  pointer-events: none;
}

.mobile-drawer.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer .nav-link {
  font-size: 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.8rem;
}

/* Bottom Sticky Action Bar on Mobile */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #0A1128;
  border-top: 1px solid rgba(212, 175, 55, 0.3);
  padding: 0.6rem 1rem;
  z-index: 95;
  box-shadow: 0 -4px 15px rgba(0,0,0,0.3);
}

.mobile-sticky-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 75% 30%, #1A2B4C 0%, #0A1128 70%);
  color: #FFFFFF;
  padding: 5rem 0 6rem;
  overflow: hidden;
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-content h1 {
  font-size: 3.2rem;
  color: #FFFFFF;
  margin: 1.2rem 0;
  line-height: 1.15;
  letter-spacing: -0.5px;
}

.hero-content .hero-tagline {
  font-size: 1.25rem;
  color: #CBD5E1;
  margin-bottom: 2.2rem;
  max-width: 580px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}

.hero-features-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chip-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #94A3B8;
}

.chip-item svg {
  color: var(--color-gold);
}

.hero-visual {
  position: relative;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  background: #0F172A;
}

.hero-badge-overlay {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(10, 17, 40, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-md);
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.live-dot {
  width: 10px;
  height: 10px;
  background-color: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 10px #22C55E;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* ==========================================================================
   4 Avantages Section
   ========================================================================== */
.section-py {
  padding: 5.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.section-header h2 {
  font-size: 2.3rem;
  margin-top: 0.8rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.8rem;
}

.advantage-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.6rem;
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 175, 55, 0.4);
}

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

.adv-icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: #0A1128;
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.advantage-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.2rem;
  color: var(--color-primary);
}

.adv-subtitle {
  color: var(--color-gold-dark);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.8rem;
}

.advantage-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* ==========================================================================
   Présentation de l'impression murale & Supports
   ========================================================================== */
.bg-dark-section {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.bg-dark-section h2, 
.bg-dark-section h3 {
  color: #FFFFFF;
}

.bg-dark-section p {
  color: #CBD5E1;
}

.presentation-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.supports-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.8rem;
}

.support-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.2);
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-md);
  color: #F8FAFC;
  font-weight: 500;
  font-size: 0.9rem;
}

.support-item svg {
  color: var(--color-gold);
  flex-shrink: 0;
}

/* ==========================================================================
   Pour tous vos projets (Target Audiences)
   ========================================================================== */
.audiences-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.8rem;
}

.audience-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.audience-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold);
}

.audience-thumb {
  height: 190px;
  position: relative;
  overflow: hidden;
  background: #0A1128;
}

.audience-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.audience-card:hover .audience-thumb img {
  transform: scale(1.05);
}

.audience-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(10, 17, 40, 0.85);
  backdrop-filter: blur(4px);
  border: 1px solid var(--color-gold);
  color: var(--color-gold-light);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
}

.audience-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.audience-body h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.audience-body p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 1.2rem;
  flex: 1;
}

.audience-link {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-gold-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.audience-link:hover {
  color: #0A1128;
  gap: 0.6rem;
}

/* ==========================================================================
   Galerie & Réalisations
   ========================================================================== */
.gallery-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.8rem;
}

.filter-btn {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.gallery-item {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 175, 55, 0.5);
}

.gallery-media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #0A1128;
}

.gallery-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-media img {
  transform: scale(1.06);
}

.gallery-overlay-hover {
  position: absolute;
  inset: 0;
  background: rgba(10, 17, 40, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.gallery-item:hover .gallery-overlay-hover {
  opacity: 1;
}

.zoom-icon-badge {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-gold);
  color: #0A1128;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

.gallery-info {
  padding: 1.2rem;
}

.gallery-category-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.gallery-info h4 {
  font-size: 1.05rem;
  margin: 0.3rem 0;
  color: var(--color-primary);
}

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

/* Lightbox */
.gallery-lightbox,
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 9, 20, 0.95);
  backdrop-filter: blur(10px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.gallery-lightbox.active,
.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  background: #0F172A;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,0.8);
}

.lightbox-body,
.lightbox-media-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #000000;
}

.lightbox-body img,
.lightbox-media-wrap img {
  max-height: 65vh;
  width: 100%;
  object-fit: contain;
  background: #000000;
}

.lightbox-caption,
.lightbox-details {
  padding: 1.5rem 2rem;
  background: #0F172A;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
}

.lightbox-caption h3,
.lightbox-details h3 {
  color: #FFFFFF;
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
}

.lightbox-caption p,
.lightbox-details p {
  color: #94A3B8;
  font-size: 0.95rem;
}

.lightbox-btn,
.lightbox-close,
.lightbox-nav-btn {
  position: absolute;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  cursor: pointer;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  transition: all var(--transition-fast);
  z-index: 10;
  line-height: 1;
}

.lightbox-btn:hover,
.lightbox-close:hover,
.lightbox-nav-btn:hover {
  background: var(--color-gold);
  color: #0A1128;
  border-color: var(--color-gold);
}

.lightbox-close {
  top: 1rem;
  right: 1rem;
  font-size: 1.2rem;
}

.lightbox-nav-btn.prev,
.lightbox-prev {
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
}

.lightbox-nav-btn.next,
.lightbox-next {
  top: 50%;
  right: 1rem;
  transform: translateY(-50%);
}

/* ==========================================================================
   Tarifs & Calculateur de Surface
   ========================================================================== */
.pricing-section-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.pricing-table-card,
.calculator-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.pricing-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-top: 1.5rem;
}

.pricing-table th,
.pricing-table td {
  padding: 1rem 1.2rem;
  text-align: left;
}

.pricing-table th {
  background: #F1F5F9;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary);
  font-weight: 700;
}

.pricing-table th:first-child { border-top-left-radius: var(--radius-md); }
.pricing-table th:last-child { border-top-right-radius: var(--radius-md); }

.pricing-table td {
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.pricing-table tr:last-child td {
  border-bottom: none;
}

.pricing-table tr.popular-row {
  background: rgba(212, 175, 55, 0.06);
}

.pricing-table .price-val {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-primary);
}

/* Calculator Card */
.calculator-card {
  background: linear-gradient(145deg, #0A1128 0%, #16203D 100%);
  color: #FFFFFF;
  border: 1px solid rgba(212, 175, 55, 0.35);
  box-shadow: var(--shadow-gold);
}

.calculator-card h3 {
  color: #FFFFFF;
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}

.calculator-card .calc-intro {
  color: #94A3B8;
  font-size: 0.9rem;
  margin-bottom: 1.8rem;
}

.calc-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.calc-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #CBD5E1;
  margin-bottom: 0.4rem;
}

.calc-input-wrap {
  position: relative;
}

.calc-input-wrap input {
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 0.8rem 2.2rem 0.8rem 1rem;
  color: #FFFFFF;
  font-size: 1.1rem;
  font-weight: 600;
  outline: none;
  transition: border-color var(--transition-fast);
}

.calc-input-wrap input:focus {
  border-color: var(--color-gold);
}

.calc-input-wrap .unit {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gold);
  font-weight: 700;
  font-size: 0.9rem;
}

.calc-result-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px dashed rgba(212, 175, 55, 0.4);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1.8rem;
}

.calc-result-surface {
  font-size: 0.95rem;
  color: #94A3B8;
  margin-bottom: 0.4rem;
}

.calc-result-surface strong {
  color: #FFFFFF;
  font-size: 1.2rem;
}

.calc-result-price {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-gold-light);
  line-height: 1.1;
}

.calc-note {
  font-size: 0.75rem;
  color: #94A3B8;
  margin-top: 0.5rem;
}

/* ==========================================================================
   Comment ça marche ? (Processus 5 étapes)
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-step-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.4rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  text-align: center;
  transition: transform var(--transition-normal);
}

.process-step-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
}

.step-num-badge {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #0A1128;
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 1.2rem;
}

.process-step-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
  color: var(--color-primary);
}

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

/* ==========================================================================
   Zone d'intervention
   ========================================================================== */
.zone-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.cities-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.city-pill {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.city-pill svg {
  color: var(--color-gold-dark);
}

.zone-illustration-card {
  background: #0A1128;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: var(--shadow-lg);
  color: #FFFFFF;
  text-align: center;
}

/* ==========================================================================
   Formulaire de Devis & Upload
   ========================================================================== */
.form-container-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 3rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  max-width: 860px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.col-span-2 {
  grid-column: span 2;
}

.form-group label {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-group label .req-star {
  color: var(--color-danger);
}

.form-group label .help-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--color-text-main);
  background: #FFFFFF;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-glow);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Drag & Drop Upload Zone */
.upload-dropzone {
  border: 2px dashed rgba(212, 175, 55, 0.6);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: #F8FAFC;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.upload-dropzone:hover,
.upload-dropzone.dragover {
  background: rgba(212, 175, 55, 0.05);
  border-color: var(--color-gold);
}

.dropzone-icon {
  font-size: 2.5rem;
  color: var(--color-gold);
  margin-bottom: 0.8rem;
}

.upload-dropzone h5 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
  color: var(--color-primary);
}

.upload-dropzone p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.file-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.file-preview-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 1;
  background: #0A1128;
}

.file-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-danger);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary);
  color: #FFFFFF;
  margin-top: auto;
  border-top: 2px solid rgba(212, 175, 55, 0.3);
  padding: 4.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  color: #94A3B8;
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col h5 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-gold);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: #94A3B8;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-gold-light);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.8rem;
  color: #64748B;
  font-size: 0.85rem;
}

/* ==========================================================================
   Admin Space Styles
   ========================================================================== */
.admin-body {
  background: #0B1120;
  color: #F8FAFC;
  min-height: 100vh;
}

.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  background: #070B19;
  border-right: 1px solid #1E293B;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.admin-sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid #1E293B;
}

.admin-nav {
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: #94A3B8;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.admin-nav-item:hover,
.admin-nav-item.active {
  background: rgba(212, 175, 55, 0.12);
  color: var(--color-gold-light);
}

.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
}

.admin-topbar {
  height: 70px;
  border-bottom: 1px solid #1E293B;
  background: #0F172A;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-container {
  padding: 2rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.admin-card {
  background: #0F172A;
  border: 1px solid #1E293B;
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  margin-bottom: 1.8rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.admin-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid #1E293B;
  padding-bottom: 1rem;
}

.admin-card-header h3 {
  color: #FFFFFF;
  font-size: 1.25rem;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #1E293B;
  font-size: 0.9rem;
}

.admin-table th {
  color: #94A3B8;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.admin-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.admin-input {
  width: 100%;
  background: #1E293B;
  border: 1px solid #334155;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: #FFFFFF;
  font-size: 0.95rem;
}

.admin-input:focus {
  outline: none;
  border-color: var(--color-gold);
}

/* ==========================================================================
   Alerts & Notifications
   ========================================================================== */
.alert {
  padding: 1rem 1.2rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.9rem;
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--color-success);
  color: #34D399;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--color-danger);
  color: #F87171;
}

/* ==========================================================================
   Responsive Breakpoints (Mobile First & Adaptive)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .presentation-split,
  .zone-split,
  .pricing-section-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .advantages-grid,
  .audiences-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav,
  .header-cta {
    display: none;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .mobile-sticky-bar {
    display: block;
  }

  body {
    padding-bottom: 60px; /* offset for sticky mobile bar */
  }

  .hero-content h1 {
    font-size: 2.3rem;
  }

  .advantages-grid,
  .audiences-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-group.col-span-2 {
    grid-column: span 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    display: none;
  }
}

/* Responsive enhancements for buttons and header */
@media (max-width: 480px) {
  /* Ensure submit buttons take full width on small screens */
  .btn-primary-gold,
  .btn-primary-gold.btn-lg {
    width: 100% !important;
    max-width: none !important;
  }
  /* Header adjustments */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  }
  .header-cta {
    width: 100%;
    justify-content: center;
  }
  .header-cta .btn-primary-gold {
    width: 100%;
    max-width: 360px;
  }
}

/* --------------------------------------------------
   Global Layout & Grid
   -------------------------------------------------- */
.site-container {
  max-width: 1200px; /* Adjust to 1280px if needed */
  margin: 0 auto;
  padding: 0 1rem;
}

section {
  padding: 4rem 0;
}

/* --------------------------------------------------
   Table Styling
   -------------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1rem 0;
}

.pricing-table,
.admin-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 0;
}

.pricing-table th,
.admin-table th {
  background: rgba(212,175,55,0.12);
  color: var(--color-gold-light);
  font-weight: 600;
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.pricing-table td,
.admin-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  vertical-align: middle;
}

.pricing-table td.numeric,
.admin-table td.numeric {
  text-align: right;
}

.pricing-table tr:hover,
.admin-table tr:hover {
  background: rgba(255,255,255,0.02);
}

/* --------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------- */
@media (max-width: 1024px) {
  section { padding: 3rem 0; }
  .site-container { padding: 0 1.5rem; }
}

@media (max-width: 768px) {
  .site-container { padding: 0 1rem; }
  .pricing-table, .admin-table { font-size: 0.9rem; }
}

/* ==========================================================================
   NOUVEAUX COMPOSANTS DOUBLE PÔLE H2F (GATEWAY, FORMULES & RÉALISATIONS)
   ========================================================================== */

/* 1. Hero Brand Gateway */
.hero-brand-gateway {
  padding: 5rem 0 5.5rem;
  background: radial-gradient(circle at 50% 20%, #152244 0%, #0A1128 75%, #050814 100%);
}

.gateway-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.gateway-card {
  border-radius: var(--radius-xl);
  padding: 2.8rem 2.2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.gateway-card-entretien {
  background: #0F172A;
  border: 2px solid #1E293B;
  color: #FFFFFF;
}

.gateway-card-entretien:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.gateway-card-imprimerie {
  background: #0A1128;
  border: 2px solid var(--color-gold);
  color: #FFFFFF;
  box-shadow: var(--shadow-gold);
}

.gateway-card-imprimerie:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(212, 175, 55, 0.4);
}

.gateway-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.1);
  color: #CBD5E1;
  margin-bottom: 1.2rem;
}

.gateway-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
  background: rgba(255, 255, 255, 0.08);
}

.gateway-title {
  font-size: 2rem;
  color: #FFFFFF;
  margin-bottom: 0.8rem;
  font-family: var(--font-heading);
}

.gateway-desc {
  color: #CBD5E1;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.8rem;
}

.gateway-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.2rem;
  flex: 1;
}

.gateway-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: #FFFFFF;
}

.gateway-list li span {
  color: var(--color-gold);
  font-weight: 800;
}

.gateway-actions {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

/* 2. Formules d'Impression Murale */
.formules-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 1140px;
  margin: 0 auto;
}

.formule-card {
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
}

.formule-card.popular {
  transform: scale(1.03);
  box-shadow: var(--shadow-gold);
  z-index: 2;
}

.formule-card:hover {
  transform: translateY(-5px) scale(1.02);
}

.formule-popular-tag {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--color-gold);
  color: #0A1128;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 99px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.formule-price {
  font-size: 2rem;
  font-weight: 900;
  font-family: var(--font-heading);
  margin-bottom: 0.3rem;
}

.formule-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 2rem;
  flex: 1;
}

.formule-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

/* 3. Avant / Après Thumbnail */
.before-after-thumb-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.before-after-badge {
  position: absolute;
  bottom: 10px;
  left: 10px;
  font-size: 0.72rem;
  background: rgba(10, 17, 40, 0.85);
  border: 1px solid var(--color-gold);
  color: #FDE047;
  padding: 2px 8px;
  border-radius: 4px;
}

/* Responsive */
@media (max-width: 900px) {
  .gateway-cards-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .formule-card.popular {
    transform: none;
  }
}