/* ========================================================
   DELTA FILTRES 3 - DESIGN SYSTEM & STYLESHEET
   Conception Haut de Gamme • Filtration de l'Air & Hygiène Aéraulique
   "Votre air, notre expertise"
   ======================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Brand Colors */
  --primary: #5cb811;
  --primary-hover: #4e9f0d;
  --primary-light: #eff9e6;
  --primary-glow: rgba(92, 184, 17, 0.25);
  
  --secondary: #0ea5e9;
  --secondary-dark: #0284c7;
  --secondary-light: #f0f9ff;
  
  --dark-950: #070d18;
  --dark-900: #0d1527;
  --dark-800: #152238;
  --dark-700: #1e314f;
  
  --gray-900: #0f172a;
  --gray-800: #1e293b;
  --gray-700: #334155;
  --gray-600: #475569;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-300: #cbd5e1;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --gray-50:  #f8fafc;
  
  --white: #ffffff;
  
  /* Status */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;

  /* Elevation */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 10px 30px -5px var(--primary-glow);
  --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.06);

  /* Borders & Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-700);
  background-color: var(--white);
  line-height: 1.65;
  -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 {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--gray-900);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.75rem); }
h4 { font-size: 1.25rem; }

.text-gradient {
  background: linear-gradient(135deg, var(--gray-900) 30%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-primary { color: var(--primary) !important; }
.text-cyan { color: var(--secondary-dark) !important; }
.text-white { color: var(--white) !important; }
.text-muted { color: var(--gray-500) !important; }

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.container-fluid {
  width: 100%;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding: 90px 0;
  position: relative;
}

.section-sm {
  padding: 50px 0;
}

.section-dark {
  background-color: var(--dark-900);
  color: var(--gray-300);
}

.section-dark h2, .section-dark h3, .section-dark h4 {
  color: var(--white);
}

.section-light {
  background-color: var(--gray-50);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 55px auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: var(--primary-light);
  color: var(--primary-hover);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  border: 1px solid rgba(92, 184, 17, 0.2);
}

.section-badge.badge-dark {
  background-color: rgba(92, 184, 17, 0.15);
  color: var(--primary-light);
  border-color: rgba(92, 184, 17, 0.35);
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.section-dark .section-desc {
  color: var(--gray-400);
}

/* ========================================================
   TOPBAR & NAVBAR
   ======================================================== */

.topbar {
  background-color: var(--dark-950);
  color: var(--gray-300);
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
}

.topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-items {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.topbar-item i {
  color: var(--primary);
  font-size: 0.9rem;
}

.topbar-item a:hover {
  color: var(--white);
}

.topbar-tag {
  background-color: rgba(92, 184, 17, 0.18);
  color: #7ce026;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.78rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.topbar-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: #7ce026;
  border-radius: 50%;
  box-shadow: 0 0 8px #7ce026;
  animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  padding: 4px 0;
}

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

.navbar-logo {
  display: flex;
  align-items: center;
}

.navbar-logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gray-700);
  position: relative;
  padding: 6px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background-color: var(--primary);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

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

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--gray-900);
  cursor: pointer;
  padding: 6px;
}

/* ========================================================
   BUTTONS
   ======================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 26px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #64c316, #4b9e0a);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(92, 184, 17, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #52a80f, #3f8706);
  box-shadow: 0 6px 20px rgba(92, 184, 17, 0.5);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-secondary {
  background-color: var(--dark-900);
  color: var(--white);
  border-color: var(--dark-800);
}

.btn-secondary:hover {
  background-color: var(--dark-800);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-outline {
  background-color: transparent;
  color: var(--gray-800);
  border-color: var(--gray-300);
}

.btn-outline:hover {
  background-color: var(--gray-50);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
  color: var(--white);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 7px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-whatsapp {
  background-color: #25d366;
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background-color: #20ba5a;
  transform: translateY(-2px);
  color: var(--white);
}

/* ========================================================
   HERO SECTION
   ======================================================== */

.hero {
  position: relative;
  background: radial-gradient(circle at 85% 20%, rgba(92, 184, 17, 0.12), transparent 45%),
              radial-gradient(circle at 10% 70%, rgba(14, 165, 233, 0.12), transparent 45%),
              linear-gradient(180deg, #070d18 0%, #0d1527 100%);
  color: var(--white);
  padding: 100px 0 110px 0;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.02' fill-rule='evenodd'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.8;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 50px;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 650px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(92, 184, 17, 0.15);
  border: 1px solid rgba(92, 184, 17, 0.35);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  color: #8beb31;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.hero-title {
  color: var(--white);
  font-size: clamp(2.4rem, 4.8vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 22px;
}

.hero-title span {
  background: linear-gradient(135deg, #7ce026 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.18rem;
  color: var(--gray-300);
  margin-bottom: 34px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 45px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.metric-card {
  display: flex;
  flex-direction: column;
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: #7ce026;
  line-height: 1;
  margin-bottom: 6px;
}

.metric-label {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.35;
}

.hero-card {
  background: rgba(21, 34, 56, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  position: relative;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card-title {
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-card-title i {
  color: var(--primary);
}

.hero-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.filter-pill {
  padding: 8px 14px;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  color: var(--gray-300);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-pill:hover, .filter-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.hero-highlight-box {
  background: rgba(92, 184, 17, 0.08);
  border: 1px solid rgba(92, 184, 17, 0.25);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-bottom: 24px;
}

.hero-highlight-box h4 {
  color: #7ce026;
  font-size: 1.02rem;
  margin-bottom: 6px;
}

.hero-highlight-box p {
  color: var(--gray-300);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ========================================================
   TWO METIERS SECTION
   ======================================================== */

.metiers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.metier-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 42px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.metier-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition);
}

.metier-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(92, 184, 17, 0.3);
}

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

.metier-icon {
  width: 68px;
  height: 68px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
}

.metier-card:nth-child(2) .metier-icon {
  background: var(--secondary-light);
  color: var(--secondary-dark);
}

.metier-number {
  position: absolute;
  top: 24px;
  right: 32px;
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--gray-100);
  line-height: 1;
  pointer-events: none;
}

.metier-title {
  font-size: 1.6rem;
  margin-bottom: 14px;
}

.metier-desc {
  color: var(--gray-600);
  margin-bottom: 24px;
  line-height: 1.6;
}

.metier-list {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
}

.metier-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.metier-list li i {
  color: var(--primary);
  font-size: 0.9rem;
}

/* ========================================================
   FILTRATION PRODUCTS & GRADES CARDS
   ======================================================== */

.filters-nav-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 45px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.filters-tabs {
  display: inline-flex;
  background-color: var(--gray-100);
  padding: 6px;
  border-radius: var(--radius-full);
  gap: 6px;
}

.filter-tab-btn {
  background: transparent;
  border: none;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.filter-tab-btn:hover {
  color: var(--gray-900);
}

.filter-tab-btn.active {
  background-color: var(--white);
  color: var(--primary-hover);
  box-shadow: var(--shadow-sm);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 30px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(92, 184, 17, 0.4);
}

.product-img-wrap {
  height: 220px;
  background: radial-gradient(circle, #f8fafc 0%, #edf2f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
}

.product-img-wrap img {
  max-height: 180px;
  width: auto;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.06);
}

.product-badge-grade {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--dark-900);
  color: var(--white);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.product-badge-grade.hepa {
  background: linear-gradient(135deg, #0284c7, #0369a1);
}

.product-badge-grade.ulpa {
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
}

.product-badge-grade.pre {
  background: linear-gradient(135deg, #5cb811, #489b09);
}

.product-content {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-norm-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--secondary-dark);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.product-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.product-desc {
  color: var(--gray-600);
  font-size: 0.92rem;
  margin-bottom: 18px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-specs-list {
  background-color: var(--gray-50);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 20px;
  font-size: 0.85rem;
}

.product-spec-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px dashed var(--gray-200);
}

.product-spec-row:last-child {
  border-bottom: none;
}

.product-spec-label {
  color: var(--gray-500);
}

.product-spec-val {
  font-weight: 600;
  color: var(--gray-800);
}

.product-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
}

/* ========================================================
   SERVICES SECTION
   ======================================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(92, 184, 17, 0.4);
}

.service-img-wrap {
  height: 220px;
  position: relative;
  overflow: hidden;
}

.service-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-img-wrap img {
  transform: scale(1.08);
}

.service-tag {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(13, 21, 39, 0.85);
  backdrop-filter: blur(8px);
  color: var(--white);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.service-content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.service-desc {
  color: var(--gray-600);
  font-size: 0.94rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

.service-bullets {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--gray-700);
}

.service-bullets li i {
  color: var(--primary);
  margin-top: 3px;
}

/* ========================================================
   SECTORS SECTION
   ======================================================== */

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
}

.sector-card {
  background: var(--dark-800);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 34px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.sector-card:hover {
  transform: translateY(-5px);
  background: var(--dark-700);
  border-color: rgba(92, 184, 17, 0.4);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.sector-icon {
  width: 58px;
  height: 58px;
  background: rgba(92, 184, 17, 0.15);
  color: #7ce026;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.sector-title {
  color: var(--white);
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.sector-desc {
  color: var(--gray-300);
  font-size: 0.94rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

.sector-filters-recommended {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-top: auto;
  border-left: 3px solid var(--primary);
}

.sector-filters-recommended span {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--gray-400);
  font-weight: 700;
  margin-bottom: 4px;
}

.sector-filters-recommended strong {
  color: var(--white);
  font-size: 0.92rem;
}

/* ========================================================
   STANDARDS & NORMS COMPARISON TABLE
   ======================================================== */

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.94rem;
}

.data-table th {
  background: var(--dark-900);
  color: var(--white);
  padding: 16px 20px;
  font-weight: 600;
  font-family: var(--font-heading);
}

.data-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
}

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

.data-table tr:hover td {
  background-color: var(--gray-50);
}

.badge-norm {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.8rem;
  display: inline-block;
}

.badge-norm.coarse { background: #e0f2fe; color: #0369a1; }
.badge-norm.fine { background: #dcfce7; color: #15803d; }
.badge-norm.hepa { background: #fef3c7; color: #b45309; }
.badge-norm.ulpa { background: #f3e8ff; color: #7e22ce; }

/* ========================================================
   QUOTE WIZARD & FORMS
   ======================================================== */

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-800);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--gray-300);
  background-color: var(--white);
  color: var(--gray-800);
  transition: var(--transition);
}

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

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ========================================================
   FOOTER
   ======================================================== */

.footer {
  background-color: var(--dark-950);
  color: var(--gray-400);
  padding: 85px 0 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 45px;
  margin-bottom: 60px;
}

.footer-col-title {
  color: var(--white);
  font-size: 1.15rem;
  margin-bottom: 22px;
  font-family: var(--font-heading);
}

.footer-logo {
  margin-bottom: 20px;
}

.footer-logo img {
  height: 56px;
  width: auto;
}

.footer-about {
  line-height: 1.7;
  font-size: 0.94rem;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: var(--gray-400);
  transition: var(--transition);
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-link:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.92rem;
}

.footer-contact-item i {
  color: var(--primary);
  margin-top: 4px;
  font-size: 1.1rem;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.88rem;
}

/* ========================================================
   FLOATING ACTION BUTTONS (WHATSAPP & CALL)
   ======================================================== */

.floating-whatsapp {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 30px;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
  color: var(--white);
}

.floating-whatsapp::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background-color: #25d366;
  opacity: 0.4;
  animation: pulse-ring 2s infinite;
  z-index: -1;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.4; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ========================================================
   RESPONSIVE DESIGN (MOBILE & TABLET)
   ======================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .metiers-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .topbar { display: none; }
  .navbar-container { height: 70px; }
  .navbar-logo img { height: 44px; }
  
  .navbar-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-xl);
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 60px 0 80px 0;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .form-grid-2, .form-grid-3 {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}