/* ==========================================================================
   SIT TRANSMISSION - DESIGN SYSTEM & GLOBAL STYLES
   Industrial Precision, Modern Corporate Excellence
   ========================================================================== */

:root {
  --primary-navy: #071325;
  --primary-dark: #0b1c36;
  --primary-blue: #004b99;
  --primary-accent: #0066cc;
  --primary-light: #e8f1fc;
  --cyan-accent: #00b4d8;
  --cyan-glow: rgba(0, 180, 216, 0.25);
  --gold-accent: #f59e0b;
  --green-whatsapp: #25d366;
  --green-whatsapp-dark: #128c7e;
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-alt: #f1f5f9;
  --border-color: #e2e8f0;
  --border-subtle: rgba(255, 255, 255, 0.12);

   --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
   --font-heading: 'Barlow Condensed', 'Arial Narrow', sans-serif;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 35px -5px rgba(7, 19, 37, 0.15), 0 10px 10px -5px rgba(7, 19, 37, 0.04);
  --shadow-blue: 0 10px 25px -5px rgba(0, 102, 204, 0.35);

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

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-width: 1240px;
}

/* Reset & Box Sizing */
*, *::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(--text-main);
  background-color: var(--bg-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   TOP BAR & NAVIGATION
   ========================================================================== */

.top-bar {
  background: var(--primary-navy);
  color: #94a3b8;
  font-size: 0.825rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-info-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #cbd5e1;
}

.top-info-item svg {
  color: var(--cyan-accent);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 2px 4px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  padding: 3px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 4px;
  transition: var(--transition);
}

.lang-btn.active {
  background: var(--primary-accent);
  color: #ffffff;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-title {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-blue);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-main);
  padding: 0.5rem 0;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-blue);
  transition: width 0.25s ease;
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  font-size: 0.925rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-accent), var(--primary-blue));
  color: #ffffff;
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -4px rgba(0, 102, 204, 0.45);
  color: #ffffff;
}

.btn-outline {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  background: transparent;
}

.btn-outline:hover {
  background: var(--primary-blue);
  color: #ffffff;
}

.btn-outline-white {
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--primary-navy);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.825rem;
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 1.05rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-main);
}

.mobile-menu {
  display: none;
}

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

.hero {
  position: relative;
  background: radial-gradient(circle at 80% 20%, #152e52 0%, var(--primary-navy) 70%);
  color: #ffffff;
  padding: 5rem 0 6rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(0, 180, 216, 0.12);
  border: 1px solid rgba(0, 180, 216, 0.3);
  border-radius: var(--radius-full);
  color: var(--cyan-accent);
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-title span {
  background: linear-gradient(135deg, #38bdf8, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.125rem;
  color: #cbd5e1;
  margin-bottom: 2rem;
  max-width: 580px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item h4 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
}

.stat-item p {
  font-size: 0.825rem;
  color: #94a3b8;
  margin-top: 0.25rem;
}

.hero-card {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  backdrop-filter: blur(8px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.hero-card-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.hero-card-tag {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  background: rgba(7, 19, 37, 0.88);
  backdrop-filter: blur(6px);
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-card-tag-text h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}

.hero-card-tag-text p {
  font-size: 0.75rem;
  color: #94a3b8;
}

/* ==========================================================================
   PARTNERS / TRUST STRIP
   ========================================================================== */

.partners-strip {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 2.25rem 0;
}

.partners-label {
  text-align: center;
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.partners-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem;
}

.partner-badge {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #64748b;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  transition: var(--transition);
}

.partner-badge:hover {
  color: var(--primary-blue);
  border-color: var(--primary-accent);
  transform: translateY(-2px);
}

/* ==========================================================================
   SECTION COMMON
   ========================================================================== */

.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: var(--bg-alt);
}

.section-dark {
  background-color: var(--primary-navy);
  color: #ffffff;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-accent);
  margin-bottom: 0.5rem;
}

.section-tag-light {
  color: var(--cyan-accent);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--primary-navy);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-title-light {
  color: #ffffff;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.section-subtitle-light {
  color: #94a3b8;
}

/* ==========================================================================
   PRODUCT CARDS & GRIDS
   ========================================================================== */

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

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

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 102, 204, 0.4);
}

.product-card-img-wrap {
  position: relative;
  height: 220px;
  background: #f1f5f9;
  overflow: hidden;
}

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

.product-card:hover .product-card-img {
  transform: scale(1.04);
}

.product-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(7, 19, 37, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
}

.product-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 0.5rem;
}

.product-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.product-features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.product-feature-tag {
  background: var(--primary-light);
  color: var(--primary-blue);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

/* ==========================================================================
   FEATURES & VALUE PROPS
   ========================================================================== */

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: var(--transition);
}

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

.value-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.value-card:hover .value-icon {
  background: var(--primary-blue);
  color: #ffffff;
}

.value-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 0.5rem;
}

.value-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
}

/* ==========================================================================
   SECTOR CARDS
   ========================================================================== */

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.sector-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 280px;
  background: var(--primary-navy);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.sector-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.sector-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transition: transform 0.6s ease, opacity 0.3s ease;
}

.sector-card:hover .sector-card-bg {
  transform: scale(1.08);
  opacity: 0.4;
}

.sector-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 19, 37, 0.95) 10%, rgba(7, 19, 37, 0.4) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.75rem;
  color: #ffffff;
}

.sector-icon {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  color: var(--cyan-accent);
}

.sector-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.sector-summary {
  font-size: 0.85rem;
  color: #cbd5e1;
  line-height: 1.4;
}

/* ==========================================================================
   CATALOGUES DOWNLOAD GRID
   ========================================================================== */

.catalogues-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.catalogue-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.catalogue-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-accent);
}

.catalogue-cover {
  height: 280px;
  background: #0b1c36;
  overflow: hidden;
  position: relative;
}

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

.catalogue-card:hover .catalogue-cover img {
  transform: scale(1.03);
}

.catalogue-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.catalogue-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 0.5rem;
}

.catalogue-meta {
  font-size: 0.825rem;
  color: var(--text-muted);
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.catalogue-actions {
  margin-top: auto;
  display: flex;
  gap: 0.75rem;
}

/* ==========================================================================
   CALL TO ACTION & QUOTE BANNER
   ========================================================================== */

.cta-banner {
  background: linear-gradient(135deg, #091a33 0%, var(--primary-blue) 100%);
  border-radius: var(--radius-lg);
  padding: 3.5rem 3rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.25), transparent 70%);
  pointer-events: none;
}

.cta-content {
  max-width: 650px;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: 2.15rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.cta-desc {
  font-size: 1.05rem;
  color: #cbd5e1;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   CONTACT PAGE & FORMS
   ========================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-panel {
  background: var(--primary-navy);
  color: #ffffff;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-info-panel h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-info-panel p {
  color: #94a3b8;
  margin-bottom: 2rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.contact-detail-item {
  display: flex;
  gap: 1rem;
}

.contact-icon-box {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-accent);
  flex-shrink: 0;
  font-size: 1.25rem;
}

.contact-detail-text h5 {
  font-size: 0.85rem;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.contact-detail-text a,
.contact-detail-text p {
  font-size: 1rem;
  color: #ffffff;
  font-weight: 500;
}

.contact-detail-text a:hover {
  color: var(--cyan-accent);
}

.contact-form-panel {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

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

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--text-main);
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

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

.map-container {
  margin-top: 3.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  height: 380px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

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

.footer {
  background: var(--primary-navy);
  color: #94a3b8;
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand h4 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.925rem;
  line-height: 1.7;
  color: #94a3b8;
  margin-bottom: 1.5rem;
}

.footer-links h5 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: #94a3b8;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--green-whatsapp), var(--green-whatsapp-dark));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  cursor: pointer;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
  color: #ffffff;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: #ffffff;
  color: var(--text-main);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: var(--transition);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================================================
   FILTER TABS (PRODUCTS PAGE)
   ========================================================================== */

.filters-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  color: var(--primary-blue);
  background: var(--bg-alt);
}

.filter-btn.active {
  background: var(--primary-blue);
  color: #ffffff;
}

.search-box {
  position: relative;
  min-width: 260px;
}

.search-input {
  width: 100%;
  padding: 0.55rem 1rem 0.55rem 2.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* ==========================================================================
   MODAL (PRODUCT DETAILS & QUOTE)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 19, 37, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform 0.3s ease;
  position: relative;
}

.modal-backdrop.active .modal-box {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary-navy);
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
}

.modal-body {
  padding: 1.75rem;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

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

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

  .mobile-toggle {
    display: block;
  }

  .mobile-menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    flex-direction: column;
    gap: 1rem;
  }

  .mobile-menu.open {
    display: flex;
  }

  .hero-title {
    font-size: 2.35rem;
  }

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

  .form-group.full-width {
    grid-column: span 1;
  }

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

  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
  }
}

/* ==========================================================================
   2026 VISUAL REFINEMENT — INDUSTRIAL EDITORIAL SYSTEM
   ========================================================================== */
:root {
  --primary-navy: #071a2b;
  --primary-dark: #0d2b3a;
  --primary-blue: #0b3c68;
  --primary-accent: #1e50d8;
  --primary-accent-hover: #163cb5;
  --cyan-accent: #35b9bb;
  --gold-accent: #f3b548;
  --bg-body: #f4f7f5;
  --bg-alt: #eaf0ee;
  --border-color: #d7e2de;
  --text-main: #132c36;
  --text-muted: #64767a;
  --shadow-lg: 0 18px 45px rgba(7, 26, 43, 0.12);
  --shadow-xl: 0 28px 70px rgba(7, 26, 43, 0.18);
  --radius-md: 12px;
  --radius-lg: 22px;
}

body {
  background:
    radial-gradient(circle at 92% 0%, rgba(30, 80, 216, 0.08), transparent 24rem),
    linear-gradient(180deg, #f8faf8 0%, var(--bg-body) 45%, #eef3f0 100%);
}

.top-bar {
  background: linear-gradient(90deg, #061723, #0d2b3a 58%, #124a59);
  letter-spacing: 0.01em;
}

.navbar {
  background: rgba(248, 250, 248, 0.9);
  border-bottom-color: rgba(13, 96, 114, 0.12);
}

.brand-name, .section-title, .hero-title, .cta-title {
  letter-spacing: -0.035em;
}

.brand-name { font-size: 1.55rem; }
.brand-tagline { color: var(--primary-accent); font-weight: 700; }

.hero {
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(112deg, rgba(6, 23, 35, 0.98) 0%, rgba(7, 38, 52, 0.94) 54%, rgba(13, 96, 114, 0.8) 100%),
    url('../images/hero-pumps-banner.jpg') center / cover;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: auto -6rem -9rem auto;
  width: 28rem;
  height: 28rem;
  border: 1px solid rgba(30, 80, 216, 0.35);
  border-radius: 50%;
  box-shadow: 0 0 0 3rem rgba(30, 80, 216, 0.05), 0 0 0 6rem rgba(30, 80, 216, 0.02);
  pointer-events: none;
}

.hero-grid { position: relative; z-index: 1; }
.hero-title { font-size: clamp(3.25rem, 6vw, 5.8rem); line-height: 0.96; }
.hero-title span { color: #70d5cc; }
.hero-badge { border-color: rgba(112, 213, 204, 0.35); background: rgba(112, 213, 204, 0.09); }
.hero-card { border: 1px solid rgba(255,255,255,0.18); box-shadow: 0 28px 80px rgba(0,0,0,.28); }

.section-tag { color: var(--primary-accent); letter-spacing: .16em; }
.section-title { font-size: clamp(2.3rem, 4vw, 3.7rem); line-height: .98; }
.section-header { max-width: 780px; }
.product-card, .value-card, .filters-bar { border-color: rgba(13, 96, 114, 0.14); box-shadow: 0 12px 34px rgba(7, 26, 43, 0.07); }
.product-card { overflow: hidden; }
.product-card:hover { transform: translateY(-8px); box-shadow: 0 22px 48px rgba(7, 26, 43, 0.14); }
.product-card-img-wrap { background: #dfe9e5; }
.product-card-img { transition: transform .6s cubic-bezier(.2,.8,.2,1), filter .4s ease; }
.product-card:hover .product-card-img { transform: scale(1.05); filter: saturate(1.12); }
.product-category-badge { background: var(--primary-accent); }
.btn-primary { background: var(--primary-accent); box-shadow: 0 10px 22px rgba(30, 80, 216, .28); }
.btn-primary:hover { background: #163cb5; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(30, 80, 216, .38); }
.btn-outline { border-color: var(--primary-accent); color: var(--primary-accent); }
.btn-outline:hover { background: var(--primary-accent); color: #ffffff; }
.partners-strip { background: #e7efec; border-top-color: transparent; border-bottom-color: transparent; }
.partner-badge { color: var(--primary-blue); border-color: rgba(13,96,114,.18); background: rgba(255,255,255,.55); }
.cta-banner { background: linear-gradient(118deg, #0b2736, #0d6072); box-shadow: 0 20px 45px rgba(7,26,43,.18); }
.footer { background: #061723; }
.whatsapp-float { background: #20b978; box-shadow: 0 12px 26px rgba(32,185,120,.35); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* Catalogue avancé & fiches produits */
.catalog-search-row { display: grid; grid-template-columns: minmax(260px, 1.8fr) repeat(3, minmax(150px, .8fr)) auto; gap: .75rem; width: 100%; }
.catalog-search-box { min-width: 0; }
.filter-select, .filter-reset { min-height: 42px; border: 1px solid var(--border-color); border-radius: 10px; padding: 0 .9rem; background: #fff; color: var(--text-main); font-weight: 700; }
.filter-reset { cursor: pointer; background: var(--primary-navy); color: #fff; border-color: var(--primary-navy); }
.filter-reset:hover { background: var(--primary-accent); border-color: var(--primary-accent); }
.catalog-result-count { width: 100%; color: var(--text-muted); font-size: .85rem; font-weight: 700; margin-top: .25rem; }
.catalog-empty-state { padding: 4rem 2rem; text-align: center; background: #fff; border: 1px dashed var(--border-color); border-radius: var(--radius-lg); }
.catalog-empty-state h1 { font-family: var(--font-heading); font-size: 3rem; color: var(--primary-navy); margin-bottom: .5rem; }
.product-reference, .product-detail-reference { color: var(--primary-accent); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.product-reference { margin-bottom: .45rem; }
.product-detail-page { padding: 3rem 0 6rem; }
.product-breadcrumbs { display: flex; gap: .65rem; flex-wrap: wrap; color: var(--text-muted); font-size: .82rem; margin-bottom: 2rem; }
.product-breadcrumbs a { color: var(--primary-blue); font-weight: 800; }
.product-detail-layout { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(2rem, 5vw, 5.5rem); align-items: center; }
.detail-image-frame { min-height: 470px; display: grid; place-items: center; padding: 2rem; background: linear-gradient(145deg, #e5eeeb, #f9fbfa); border-radius: 28px; border: 1px solid var(--border-color); }
.detail-image-frame img { max-height: 460px; width: 100%; object-fit: contain; mix-blend-mode: multiply; }
.detail-thumbs { display: flex; gap: .65rem; margin-top: .85rem; }
.detail-thumb { width: 72px; height: 72px; padding: .25rem; border: 1px solid var(--border-color); border-radius: 10px; background: #fff; cursor: pointer; }
.detail-thumb.active { border: 2px solid var(--primary-accent); }
.detail-thumb img { width: 100%; height: 100%; object-fit: contain; }
.product-detail-main h1 { margin: .5rem 0 1rem; color: var(--primary-navy); font-family: var(--font-heading); font-size: clamp(3rem, 6vw, 5.8rem); line-height: .9; letter-spacing: -.04em; }
.product-detail-lead { max-width: 580px; color: var(--text-muted); font-size: 1.05rem; line-height: 1.8; }
.product-detail-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin: 2rem 0 1.2rem; }
.product-detail-meta { display: flex; flex-wrap: wrap; gap: .75rem 1.2rem; color: var(--primary-blue); font-size: .82rem; font-weight: 800; }
.product-detail-content { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 6rem; padding-top: 3rem; border-top: 1px solid var(--border-color); }
.product-detail-content h2, .detail-quote-banner h2 { font-family: var(--font-heading); font-size: clamp(2.4rem, 4vw, 4rem); line-height: .95; color: var(--primary-navy); margin: .4rem 0 1rem; }
.product-detail-content p { max-width: 620px; color: var(--text-muted); line-height: 1.8; }
.product-detail-specs { padding: 1.5rem; background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border-color); }
.product-detail-specs h3 { font-family: var(--font-heading); font-size: 2rem; color: var(--primary-navy); margin-bottom: .8rem; }
.detail-spec { display: flex; justify-content: space-between; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--border-color); font-size: .9rem; }
.detail-spec:last-child { border-bottom: 0; }
.detail-spec span { color: var(--text-muted); }
.detail-spec strong { text-align: right; color: var(--text-main); }
.detail-quote-banner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; margin-top: 4rem; padding: 2.5rem; border-radius: var(--radius-lg); background: linear-gradient(118deg, #0b2736, #0d6072); }
.detail-quote-banner h2 { color: #fff; margin-bottom: 0; }
.detail-quote-banner .section-tag { color: #70d5cc; }

@media (max-width: 980px) {
  .catalog-search-row { grid-template-columns: 1fr 1fr; }
  .catalog-search-box { grid-column: 1 / -1; }
  .product-detail-layout, .product-detail-content { grid-template-columns: 1fr; }
  .product-detail-main { max-width: 720px; }
}

@media (max-width: 600px) {
  .catalog-search-row { grid-template-columns: 1fr; }
  .catalog-search-box { grid-column: auto; }
  .detail-image-frame { min-height: 300px; }
  .product-detail-main h1 { font-size: 3.4rem; }
  .detail-quote-banner { align-items: flex-start; flex-direction: column; padding: 1.6rem; }
}

.btn-whatsapp-direct {
  background: #25d366;
  color: #ffffff !important;
  border: 1px solid #20b978;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.28);
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.btn-whatsapp-direct:hover {
  background: #1ebe5d;
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(37, 211, 102, 0.4);
}

/* ==========================================================================
   OPTIMISATIONS MOBILE (< 768px)
   ========================================================================== */
@media (max-width: 768px) {
  /* 1. Top bar ultra-compacte et sur 1 seule ligne */
  .top-bar {
    padding: 0.35rem 0;
  }
  .top-bar-inner {
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.5rem;
  }
  /* Masquer l'adresse et l'email du top-bar sur mobile pour libérer l'écran */
  .top-info .top-info-item:first-child,
  .top-info .top-info-item:nth-child(3) {
    display: none !important;
  }
  .top-info {
    gap: 0.5rem;
  }
  .top-info-item {
    font-size: 0.74rem;
  }
  .top-info-item svg {
    width: 12px;
    height: 12px;
  }
  .lang-btn {
    padding: 2px 7px;
    font-size: 0.72rem;
  }

  /* 2. Navbar compacte et équilibrée */
  .navbar-inner {
    height: 64px !important;
  }
  .brand-logo img {
    height: 40px !important;
  }
  .brand-name {
    font-size: 1.15rem !important;
  }
  .brand-tagline {
    font-size: 0.58rem !important;
    letter-spacing: 0.04em;
  }
  .mobile-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 999;
  }

  /* 3. Hero banner ergonomique */
  .hero {
    padding: 2.25rem 0 3.5rem !important;
  }
  .hero-badge {
    font-size: 0.74rem !important;
    padding: 0.35rem 0.75rem !important;
    margin-bottom: 0.9rem !important;
    max-width: 100%;
    white-space: normal;
  }
  .hero-title {
    font-size: clamp(1.95rem, 8vw, 2.65rem) !important;
    line-height: 1.05 !important;
    letter-spacing: -0.02em !important;
    margin-bottom: 0.9rem !important;
  }
  .hero-desc {
    font-size: 0.92rem !important;
    line-height: 1.55 !important;
    margin-bottom: 1.4rem !important;
  }
  .hero-buttons {
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
  }
  .hero-buttons .btn {
    width: 100%;
    padding: 0.75rem 1.25rem;
  }
}