/* ==========================================================================
   E-TOUCH INDUSTRIES - STYLESHEET
   Precision Architectural Hardware & Glass Railing Systems
   ========================================================================== */

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

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Brand Colors */
  --color-primary-dark: #0A192F;
  --color-primary-navy: #0B1E38;
  --color-primary-slate: #132A4A;
  --color-navy-surface: #0f2442;
  
  --color-accent-blue: #0284c7;
  --color-accent-blue-hover: #0369a1;
  --color-accent-cyan: #38bdf8;
  --color-accent-gold: #eab308;
  --color-accent-amber: #f59e0b;
  
  /* Neutral Palette */
  --color-bg-white: #ffffff;
  --color-bg-light: #f8fafc;
  --color-bg-card: #ffffff;
  --color-border-light: #e2e8f0;
  --color-border-dark: #1e3a5f;
  
  /* Text Colors */
  --color-text-main: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-text-white: #f8fafc;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Layout & Spacing */
  --container-max-width: 1280px;
  --header-height: 80px;
  --topbar-height: 40px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Elevation Shadows */
  --shadow-subtle: 0 2px 10px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 10px 30px -5px rgba(10, 25, 47, 0.08);
  --shadow-hover: 0 20px 35px -10px rgba(10, 25, 47, 0.15);
  --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.35);
  --shadow-dark: 0 20px 40px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-light);
  color: var(--color-text-main);
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

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

.section {
  padding: 6rem 0;
  position: relative;
}

.section-dark {
  background-color: var(--color-primary-dark);
  color: var(--color-text-white);
}

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

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

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

.section-dark h1, 
.section-dark h2, 
.section-dark h3, 
.section-dark h4 {
  color: var(--color-text-white);
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem auto;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(2, 132, 199, 0.1);
  color: var(--color-accent-blue);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  border: 1px solid rgba(2, 132, 199, 0.2);
  margin-bottom: 1rem;
}

.badge-tag.light {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-accent-cyan);
  border-color: rgba(255, 255, 255, 0.2);
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.85rem;
  }
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.section-dark .section-subtitle {
  color: var(--color-text-light);
}

/* --- Buttons & CTAs --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-align: center;
  line-height: 1.2;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(2, 132, 199, 0.5);
  color: #ffffff;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-white);
  border-color: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(4px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #ffffff;
  color: #ffffff;
  transform: translateY(-2px);
}

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

.btn-outline-navy:hover {
  background: var(--color-primary-dark);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.btn-gold:hover {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.5);
  color: #ffffff;
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   TOP BAR & HEADER NAVIGATION
   ========================================================================== */
.topbar {
  background: #061120;
  color: var(--color-text-light);
  font-size: 0.825rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.45rem 0;
  position: relative;
  z-index: 1010;
}

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

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

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

.topbar-item i {
  color: var(--color-accent-cyan);
}

.topbar-socials {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.topbar-socials a {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.topbar-socials a:hover {
  color: var(--color-accent-cyan);
}

/* --- Header / Sticky Nav --- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 25, 47, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth), padding var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(10, 25, 47, 0.97);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  border-bottom-color: rgba(2, 132, 199, 0.25);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

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

.brand-logo img {
  height: 46px;
  width: auto;
  object-fit: contain;
}

.brand-name-group {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1.1;
}

.brand-tag {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-cyan);
  font-weight: 600;
}

/* Nav Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
}

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

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

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

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile Drawer */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.mobile-nav-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--color-primary-navy);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem;
  transition: right var(--transition-smooth);
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-drawer-close {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-accent-cyan);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: calc(100vh - var(--header-height) - var(--topbar-height));
  display: flex;
  align-items: center;
  background-color: var(--color-primary-dark);
  color: #ffffff;
  overflow: hidden;
  padding: 5rem 0;
}

.hero-video-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  opacity: 0.38;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 25, 47, 0.94) 0%, rgba(10, 25, 47, 0.8) 50%, rgba(2, 132, 199, 0.25) 100%);
  z-index: 2;
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.4;
  z-index: 3;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 820px;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 900;
  letter-spacing: -0.025em;
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.85rem;
  }
}

.hero-title span.highlight {
  background: linear-gradient(135deg, #ffffff 30%, var(--color-accent-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.2rem;
  line-height: 1.7;
  color: rgba(248, 250, 252, 0.9);
  margin-bottom: 2.5rem;
  max-width: 680px;
}

.hero-btn-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Stats Ribbon in Hero */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

@media (min-width: 768px) {
  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-accent-cyan);
  line-height: 1.1;
  display: flex;
  align-items: center;
}

.stat-number .plus {
  color: #ffffff;
  font-size: 1.5rem;
  margin-left: 2px;
}

.stat-number .unit-text {
  font-size: 1.25rem;
  color: #ffffff;
  font-weight: 700;
  margin-left: 0.35rem;
}

.hero-stars {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.9rem;
  color: #f59e0b;
  margin-left: 0.6rem;
  vertical-align: middle;
  filter: drop-shadow(0 0 6px rgba(245, 158, 11, 0.6));
}

.hero-stars i {
  color: #f59e0b;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 500;
  margin-top: 0.35rem;
}

/* ==========================================================================
   ABOUT US SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .about-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.about-text-content p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .about-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(2, 132, 199, 0.3);
}

.feature-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(2, 132, 199, 0.1);
  color: var(--color-accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.feature-item-content h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.feature-item-content p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* Staggered Media Grid */
.about-visual-showcase {
  position: relative;
}

.about-image-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
  position: relative;
}

.about-image-main img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-image-main:hover img {
  transform: scale(1.04);
}

.about-badge-card {
  position: absolute;
  bottom: -20px;
  right: -10px;
  background: var(--color-primary-dark);
  color: #ffffff;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-dark);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 260px;
}

.about-badge-card i {
  font-size: 2.2rem;
  color: var(--color-accent-gold);
}

.about-badge-card .title {
  font-size: 0.95rem;
  font-weight: 700;
  font-family: var(--font-heading);
  line-height: 1.2;
}

.about-badge-card .sub {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ==========================================================================
   PRODUCTS SECTION (CATALOG)
   ========================================================================== */
.product-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  color: var(--color-text-main);
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.filter-btn:hover {
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}

.filter-btn.active {
  background: var(--color-primary-dark);
  color: #ffffff;
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 15px rgba(10, 25, 47, 0.2);
}

.catalog-search-bar {
  max-width: 450px;
  margin: 0 auto 2.5rem auto;
  position: relative;
}

.catalog-search-bar input {
  width: 100%;
  padding: 0.75rem 1.25rem 0.75rem 2.85rem;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  background: #ffffff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.catalog-search-bar input:focus {
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.catalog-search-bar i {
  position: absolute;
  top: 50%;
  left: 1.15rem;
  transform: translateY(-50%);
  color: var(--color-text-light);
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 2rem;
}

@media (min-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(2, 132, 199, 0.35);
}

.product-img-box {
  position: relative;
  height: 240px;
  background: #f1f5f9;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.product-card:hover .product-img-box img {
  transform: scale(1.08);
}

.product-category-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(10, 25, 47, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

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

.product-sku {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.product-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-primary-dark);
}

.product-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.product-specs-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  background: #f8fafc;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  font-size: 0.8rem;
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-title {
  color: var(--color-text-light);
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 600;
}

.spec-value {
  color: var(--color-text-main);
  font-weight: 600;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

/* Empty Catalog State */
.catalog-empty {
  text-align: center;
  padding: 4rem 1rem;
  grid-column: 1 / -1;
  display: none;
}

.catalog-empty.show {
  display: block;
}

.catalog-empty i {
  font-size: 3rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

/* ==========================================================================
   QUALITY STANDARDS SECTION
   ========================================================================== */
.quality-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .quality-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .quality-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.quality-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: transform var(--transition-smooth), background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.quality-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-accent-cyan);
}

.quality-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.2), rgba(56, 189, 248, 0.1));
  color: var(--color-accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.quality-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.quality-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Vision Box */
.vision-banner {
  background: linear-gradient(135deg, #0f2442 0%, #132a4a 100%);
  border: 1px solid rgba(2, 132, 199, 0.3);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 992px) {
  .vision-banner {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.vision-banner h3 {
  font-size: 1.75rem;
  color: #ffffff;
  margin-bottom: 1rem;
}

.vision-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.05rem;
  line-height: 1.7;
}

.vision-trust-badges {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.25);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-item i {
  color: var(--color-accent-gold);
  font-size: 1.25rem;
}

.trust-item span {
  font-weight: 600;
  font-size: 0.9rem;
}

/* ==========================================================================
   WHY CHOOSE E-TOUCH SECTION
   ========================================================================== */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-card {
  background: #ffffff;
  padding: 2.25rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-subtle);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent-blue);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: rgba(2, 132, 199, 0.3);
}

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

.why-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(10, 25, 47, 0.08);
  line-height: 1;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.why-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--color-primary-dark);
}

.why-card p {
  color: var(--color-text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
}

/* ==========================================================================
   CONTACT US SECTION & FORM
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-card-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.contact-card-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(2, 132, 199, 0.1);
  color: var(--color-accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-card-text h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contact-card-text p, 
.contact-card-text a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.contact-card-text a:hover {
  color: var(--color-accent-blue);
}

/* Map Embed Container */
.map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--color-border-light);
  height: 220px;
}

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

/* Contact Form */
.contact-form-box {
  background: #ffffff;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
}

.form-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.form-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
  .form-row.two-col {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.form-group label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--color-text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

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

/* ==========================================================================
   MODALS
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 25, 47, 0.85);
  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: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: #ffffff;
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-smooth);
}

.modal-overlay.open .modal-container {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.25rem;
  color: var(--color-text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 10;
}

.modal-close-btn:hover {
  background: rgba(0, 0, 0, 0.15);
  transform: rotate(90deg);
}

.modal-content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 2.5rem;
}

@media (min-width: 768px) {
  .modal-content-grid {
    grid-template-columns: 1fr 1.1fr;
  }
}

.modal-product-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #f1f5f9;
  height: 300px;
}

.modal-product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-details h3 {
  font-size: 1.6rem;
  margin-bottom: 0.35rem;
}

.modal-sku-badge {
  font-size: 0.8rem;
  color: var(--color-accent-blue);
  font-weight: 700;
  margin-bottom: 1rem;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.modal-specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2rem;
  font-size: 0.875rem;
}

.modal-specs-table tr {
  border-bottom: 1px solid var(--color-border-light);
}

.modal-specs-table td {
  padding: 0.6rem 0;
}

.modal-specs-table td:first-child {
  color: var(--color-text-light);
  font-weight: 600;
  width: 40%;
}

.modal-specs-table td:last-child {
  color: var(--color-text-main);
  font-weight: 600;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #061120;
  color: var(--color-text-light);
  padding: 5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  }
}

.footer-brand p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin: 1.25rem 0 1.5rem 0;
  line-height: 1.6;
}

.footer-heading {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--color-accent-cyan);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-text-light);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.9rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.footer-contact-item i {
  color: var(--color-accent-cyan);
  margin-top: 0.25rem;
}

/* ==========================================================================
   DEVELOPER CREDIT BADGE & FOOTER STYLES
   ========================================================================== */
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.85rem;
}

.footer-copy {
  color: var(--color-text-light);
}

.footer-creator-credit {
  display: flex;
  align-items: center;
}

.credit-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  backdrop-filter: blur(8px);
  transition: all var(--transition-smooth);
}

.credit-badge:hover {
  background: rgba(2, 132, 199, 0.15);
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 20px rgba(2, 132, 199, 0.3);
  transform: translateY(-2px);
}

.credit-tagline {
  color: var(--color-text-light);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.heart-beat {
  color: #ef4444;
  display: inline-block;
  animation: heartPulse 1.4s ease-in-out infinite;
}

@keyframes heartPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.25); }
}

.brain-glow {
  color: #38bdf8;
  display: inline-block;
  animation: brainShine 2.5s ease-in-out infinite;
}

@keyframes brainShine {
  0%, 100% { filter: drop-shadow(0 0 2px rgba(56, 189, 248, 0.4)); }
  50% { filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.9)); transform: rotate(-5deg) scale(1.1); }
}

.credit-author {
  color: #ffffff;
  font-weight: 600;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  padding-left: 0.75rem;
}

.creator-link {
  color: var(--color-accent-cyan);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: all var(--transition-fast);
}

.creator-link:hover {
  color: #ffffff;
  text-shadow: 0 0 10px rgba(56, 189, 248, 0.8);
}

/* ==========================================================================
   FLOATING ACTION BUTTONS & TOAST NOTIFICATION
   ========================================================================== */
.floating-actions {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  z-index: 990;
}

.floating-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  border: none;
  font-size: 1.4rem;
  transition: transform var(--transition-bounce), box-shadow var(--transition-fast);
}

.floating-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

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

.btn-scroll-top {
  background: var(--color-primary-dark);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
}

.btn-scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

/* Toast Message */
.toast-notification {
  position: fixed;
  top: 2rem;
  right: 2rem;
  background: #0f2442;
  color: #ffffff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid #22c55e;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  z-index: 3000;
  transform: translateX(120%);
  transition: transform var(--transition-smooth);
}

.toast-notification.show {
  transform: translateX(0);
}

.toast-icon {
  color: #22c55e;
  font-size: 1.35rem;
}

.toast-message-title {
  font-weight: 700;
  font-size: 0.95rem;
}

.toast-message-desc {
  font-size: 0.825rem;
  color: var(--color-text-light);
}

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================================== */
@media (max-width: 991px) {
  .nav-menu, .nav-cta-group .btn {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 1.25rem;
  }
  .credit-badge {
    flex-direction: column;
    gap: 0.35rem;
    border-radius: var(--radius-md);
  }
  .credit-author {
    border-left: none;
    padding-left: 0;
  }
}