/* ==========================================================================
   METALÚRGICA MS - DESIGN SYSTEM & INDUSTRIAL STYLES
   Color Palette:
   - Primary Industrial Gold: #DD9933
   - Primary Hover Gold: #C58326
   - Accent Highlight Yellow: #FFD311
   - Corporate Dark / Charcoal: #212121
   - Dark Surface: #191B1F
   - Dark Card Container: #24282F
   - Text Muted Gray: #616161
   - Light Background: #F8F9FA
   - Pure White: #FFFFFF
   Typography: Nunito Sans (Google Fonts) & Outfit (Display)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:ital,opsz,wght@0,6..12,300..900;1,6..12,300..900&family=Outfit:wght@500;700;800;900&display=swap');

:root {
  --primary: #DD9933;
  --primary-hover: #C58326;
  --primary-light: rgba(221, 153, 51, 0.12);
  --primary-glow: rgba(221, 153, 51, 0.25);
  --accent-yellow: #FFD311;
  --dark: #212121;
  --dark-surface: #191B1F;
  --dark-card: #24282F;
  --text-dark: #212121;
  --text-muted: #616161;
  --text-light: #9E9E9E;
  --text-subtle: #D1D5DB;
  --bg-light: #F8F9FA;
  --bg-white: #FFFFFF;
  --border-light: #E0E0E0;
  --border-dark: rgba(255, 255, 255, 0.1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 25px rgba(221, 153, 51, 0.3);
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --font-main: 'Nunito Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Outfit', 'Nunito Sans', sans-serif;
}

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

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

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

/* Focus Visible Accessibility Support (Sam Persona) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Typography Utility Classes */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-dark);
}

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

.bg-dark-section {
  background-color: var(--dark-surface);
  color: #FFFFFF;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* TopBar Industrial */
.topbar {
  display: none !important;
}

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

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

.topbar-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #E5E7EB;
}

.topbar-link:hover {
  color: var(--primary);
}

.topbar-link svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

/* Header & Glassmorphic Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  box-shadow: none;
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease, -webkit-backdrop-filter 0.35s ease;
}

.header.scrolled {
  background: rgba(15, 17, 20, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

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

.logo-brand img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.logo-brand:hover img {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-weight: 700;
  font-size: 0.95rem;
  color: #FFFFFF;
  padding: 0.5rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

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

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 260px;
  background: rgba(22, 25, 30, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  padding: 0.75rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  list-style: none;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item a {
  display: block;
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #E5E7EB;
}

.dropdown-item a:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--primary);
  padding-left: 1.5rem;
}

/* Header Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-actions .btn {
  padding: 0.6rem 1.2rem;
  font-size: 0.875rem;
  height: 40px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.925rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--dark);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(221, 153, 51, 0.12);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
}

.btn-whatsapp:hover {
  background-color: #1EBE57;
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
  transform: translateY(-2px);
}

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--text-dark);
  padding: 0.5rem;
}

/* Hero Section with Parallax Background */
.hero {
  position: relative;
  background: linear-gradient(135deg, #16181C 0%, #22262E 100%);
  color: #FFFFFF;
  padding: 5rem 0 6rem 0;
  overflow: hidden;
}

.hero.parallax-hero {
  position: relative;
  overflow: hidden;
  padding: 8.5rem 0 7rem 0;
}

.hero-bg-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}

.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 17, 20, 0.65) 0%, rgba(22, 25, 30, 0.82) 100%);
  z-index: 1;
}

.parallax-banner {
  position: relative;
  background-image: linear-gradient(180deg, rgba(15, 17, 20, 0.72) 0%, rgba(22, 25, 30, 0.85) 100%), url('../assets/uploads/2019/01/industrial12.jpg');
  background-attachment: fixed;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  color: #FFF;
  padding: 7.5rem 0 5rem 0;
  border-bottom: 3px solid var(--primary);
}

.catalog-callout-section.parallax-callout {
  position: relative;
  background-image: linear-gradient(180deg, rgba(15, 17, 20, 0.72) 0%, rgba(22, 25, 30, 0.86) 100%), url('../assets/uploads/2019/01/projects_full_2.jpg');
  background-attachment: fixed;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  padding: 6rem 0;
}

@media (max-width: 991px) {
  .hero.parallax-hero, .parallax-banner, .catalog-callout-section.parallax-callout {
    background-attachment: scroll;
  }
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(221, 153, 51, 0.1) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.4;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2.5rem, 4.5vw, 3.8rem);
  line-height: 1.1;
  margin-bottom: 1.25rem;
  color: #FFFFFF;
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: #D1D5DB;
  margin-bottom: 2rem;
  max-width: 580px;
  font-weight: 400;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-features-strip {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.5rem;
  font-size: 0.85rem;
  color: #9CA3AF;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-feature-item svg {
  color: var(--primary);
}

/* Hero Showcase Card */
.hero-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  position: relative;
  animation: cardFloat 6s ease-in-out infinite;
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.hero-card-img-wrap {
  background: radial-gradient(circle at center, rgba(221, 153, 51, 0.12) 0%, transparent 70%);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 320px;
  position: relative;
}

.hero-card-img-wrap img {
  max-height: 280px;
  object-fit: contain;
  filter: drop-shadow(0 15px 25px rgba(0,0,0,0.5));
  transition: transform 0.5s ease;
}

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

.hero-card-meta {
  margin-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
}

.hero-card-title {
  font-size: 1.1rem;
  color: #FFFFFF;
}

.hero-card-tag {
  background: var(--primary);
  color: var(--dark);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}

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

.section-subtitle {
  color: var(--primary);
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3vw, 2.75rem);
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Categories Grid Section (Full-Bleed Edge-to-Edge Industrial Rectangles) */
.categories-section-fullwidth {
  padding: 5rem 0 0 0;
  background-color: var(--bg-light);
  width: 100%;
  overflow: hidden;
}

.categories-grid-fullwidth {
  display: flex;
  flex-direction: row;
  width: 100%;
  margin-top: 3.5rem;
  gap: 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.category-card-flush {
  flex: 1 1 25%;
  min-width: 0;
  background: #FFFFFF;
  border-right: 1px solid var(--border-light);
  border-radius: 0 !important; /* Pure sharp industrial rectangular corners */
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease, z-index 0.2s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.category-card-flush:last-child {
  border-right: none;
}

.category-card-flush:hover {
  z-index: 10;
  transform: translateY(-6px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15), 0 0 30px rgba(221, 153, 51, 0.2);
  border-color: var(--primary);
}

.category-img-box-large {
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.95) 0%, rgba(240, 242, 245, 0.85) 100%);
  height: 320px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.75rem;
  border-bottom: 1px solid var(--border-light);
  width: 100%;
}

.category-img-box-large img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 12px 20px rgba(0, 0, 0, 0.12));
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
}

.category-card-flush:hover .category-img-box-large img {
  transform: scale(1.08) translateY(-4px);
  filter: drop-shadow(0 18px 28px rgba(0, 0, 0, 0.2));
}

.category-content-flush {
  padding: 1.75rem 1.5rem 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  background: #FFFFFF;
}

@media (max-width: 991px) {
  .categories-grid-fullwidth {
    flex-wrap: wrap;
  }
  .category-card-flush {
    flex: 1 1 50%;
  }
}

@media (max-width: 576px) {
  .category-card-flush {
    flex: 1 1 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-light);
  }
}

.category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(25, 27, 31, 0.9);
  backdrop-filter: blur(4px);
  color: var(--primary);
  font-size: 0.725rem;
  font-weight: 800;
  padding: 0.35rem 0.75rem;
  border-radius: 50px;
  border: 1px solid rgba(221, 153, 51, 0.3);
  z-index: 2;
}

.category-content {
  padding: 2rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.category-title {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.category-desc {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  color: var(--primary);
  font-size: 0.9rem;
}

.category-card:hover .category-link {
  color: var(--primary-hover);
  gap: 0.75rem;
}

/* Spec Viewer Dashboard */
.spec-dashboard-section {
  padding: 5.5rem 0;
  background-color: var(--dark-surface);
  color: #FFFFFF;
}

.spec-dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 3rem;
  align-items: stretch;
}

.spec-control-box {
  background: var(--dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.spec-tabs-nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.spec-tab-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  color: #9CA3AF;
  font-weight: 700;
  text-align: left;
  transition: var(--transition);
}

.spec-tab-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #FFFFFF;
}

.spec-tab-btn.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.spec-detail-box {
  background: var(--dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.spec-detail-header {
  border-bottom: 1px solid var(--border-dark);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}

.spec-detail-title {
  font-size: 1.6rem;
  color: #FFFFFF;
  margin-top: 0.35rem;
}

.spec-specs-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.spec-spec-card {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.85rem;
  border-radius: var(--radius-sm);
}

.spec-spec-label {
  font-size: 0.75rem;
  color: #9CA3AF;
  text-transform: uppercase;
  display: block;
}

.spec-spec-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 0.25rem;
  display: block;
}

/* Why Choose Us Section */
.why-section {
  padding: 5.5rem 0;
  background-color: var(--bg-white);
}

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

.why-brand-box {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
}

.why-brand-box img {
  max-height: 180px;
  margin: 0 auto 1.5rem auto;
}

.why-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.why-feature-card {
  padding: 1.5rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-white);
  transition: var(--transition);
}

.why-feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.why-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.why-feature-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.why-feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Metrics Section */
.metrics-section {
  padding: 4rem 0;
  background-color: var(--dark);
  color: #FFFFFF;
  border-top: 3px solid var(--primary);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.metric-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-label {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #D1D5DB;
}

/* Catalog Banner Callout */
.catalog-callout-section {
  padding: 5.5rem 0;
  background: linear-gradient(135deg, #181A1E 0%, #282C34 100%);
  color: #FFFFFF;
}

.catalog-callout-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: rgba(221, 153, 51, 0.06);
  border: 1px solid rgba(221, 153, 51, 0.25);
  border-radius: var(--radius-xl);
  padding: 3rem;
}

.catalog-callout-img {
  text-align: center;
}

.catalog-callout-img img {
  max-height: 300px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transition: transform 0.4s ease;
}

.catalog-callout-box:hover .catalog-callout-img img {
  transform: scale(1.03);
}

/* Products Page Styles */
.products-filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 3rem;
  padding: 1.25rem;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.filter-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.875rem;
  background: var(--bg-white);
  color: var(--text-dark);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

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

.search-input-wrap {
  position: relative;
  min-width: 280px;
}

.search-input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  border-radius: 50px;
  border: 1px solid var(--border-light);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

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

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

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.product-img-box {
  height: 250px;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.95) 0%, rgba(240, 242, 245, 0.85) 100%);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-bottom: 1px solid var(--border-light);
}

.product-img-box img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.12));
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.product-card:hover .product-img-box img {
  transform: scale(1.08) translateY(-4px);
  filter: drop-shadow(0 16px 26px rgba(0, 0, 0, 0.22));
}

.product-cat-tag {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  background: var(--dark);
  color: var(--primary);
  font-size: 0.725rem;
  font-weight: 800;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
}

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

.product-name {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

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

.product-specs-mini {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.825rem;
  background: var(--bg-light);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}

.product-spec-row {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
}

.product-spec-row strong {
  color: var(--text-dark);
}

.product-actions {
  display: flex;
  gap: 0.5rem;
}

/* Contact Page Styles */
.contact-section {
  padding: 5rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
}

.contact-info-card {
  background: var(--dark-surface);
  color: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--border-dark);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

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

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 0.4rem;
  color: var(--text-dark);
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

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

/* Modal Quick View */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  max-width: 750px;
  width: 100%;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: var(--transition);
  position: relative;
}

.modal-backdrop.active .modal-card {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  background: var(--bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-dark);
  z-index: 10;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: var(--primary);
  color: var(--dark);
}

.modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.modal-img-wrap {
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.95) 0%, rgba(240, 242, 245, 0.85) 100%);
  padding: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-img-wrap img {
  max-height: 280px;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.15));
}

.modal-info-wrap {
  padding: 2rem;
}

/* Footer */
.footer {
  background-color: #15171A;
  color: #9CA3AF;
  padding: 5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.footer-map-bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/uploads/2019/02/map_transparent_dark2-1.png');
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  opacity: 0.1;
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  position: relative;
  z-index: 2;
  margin-bottom: 4rem;
}

.footer-brand-logo {
  height: 50px;
  width: auto;
  margin-bottom: 1.25rem;
}

.footer-brand-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: #9CA3AF;
}

.footer-col-title {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

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

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: #9CA3AF;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 0.35rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  position: relative;
  z-index: 2;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background-color: transparent;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 9999;
  transition: var(--transition);
  animation: floatBounce 4s ease-in-out infinite;
}

.whatsapp-float img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
  display: block;
}

@keyframes floatBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 15px 30px rgba(37, 211, 102, 0.6);
}

/* Toast Notification */
.toast-msg {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  background: var(--dark);
  color: #FFFFFF;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
}

.toast-msg.show {
  transform: translateY(0);
  opacity: 1;
}

/* Media Queries & Responsiveness */
@media (max-width: 1024px) {
  .hero-grid,
  .spec-dashboard-grid,
  .why-grid,
  .contact-grid,
  .catalog-callout-box {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 84px;
    left: 0;
    width: 100%;
    background: rgba(22, 25, 30, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    display: none;
  }

  .nav-menu.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
    color: #FFFFFF;
  }

  .why-features-grid,
  .modal-grid {
    grid-template-columns: 1fr;
  }

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

  .topbar-info {
    font-size: 0.75rem;
  }
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS (IntersectionObserver)
   ========================================================================== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.12s;
}

.reveal-delay-2 {
  transition-delay: 0.24s;
}

.reveal-delay-3 {
  transition-delay: 0.36s;
}

.reveal-delay-4 {
  transition-delay: 0.48s;
}

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}