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

/* --- Root Variables / Design System --- */
:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --accent-blue: #2563eb;
  --accent-blue-hover: #1d4ed8;
  --accent-red: #ef4444;
  --text-main: #0f172a;
  --text-muted: #475569;
  --border-color: #e2e8f0;
  --border-glow: rgba(37, 99, 235, 0.15);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(15, 23, 42, 0.08);
  --font-headers: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.05);
}

/* --- Base Styles --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headers);
  color: var(--text-main);
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

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

ul {
  list-style: none;
}

/* --- Reusable Components & Utilities --- */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-subtitle {
  color: var(--accent-blue);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
}

.section-title span {
  color: transparent;
  -webkit-text-stroke: 1px var(--text-main);
}

/* Glassmorphic Cards */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 30px;
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--text-muted);
}

.btn-secondary:hover {
  background: rgba(15, 23, 42, 0.04);
  border-color: var(--text-main);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #128C7E;
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  transform: translateY(-2px);
}

.btn-whatsapp svg {
  margin-right: 8px;
  fill: currentColor;
  width: 20px;
  height: 20px;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

/* --- Layout Sections --- */

/* Navigation Bar */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
  border-bottom: 1px solid transparent;
}

header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 0;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  padding-bottom: 20px;
  transition: var(--transition-smooth);
}

header.scrolled .container {
  padding-top: 10px;
  padding-bottom: 10px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--accent-blue);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.logo-subtitle {
  font-size: 0.65rem;
  color: var(--accent-blue);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
}

nav ul {
  display: flex;
  gap: 30px;
}

nav ul a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

nav ul a:hover, nav ul a.active {
  color: var(--text-main);
}

nav ul a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  transition: var(--transition-smooth);
}

nav ul a:hover::after, nav ul a.active::after {
  width: 100%;
}

.mobile-only-item {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-main);
  transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.06) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(239, 68, 68, 0.04) 0%, transparent 40%),
              linear-gradient(rgba(248, 250, 252, 0.85), rgba(248, 250, 252, 0.95)),
              url('assets/hero_background.png') no-repeat center center / cover;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
}

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

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 35px;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
}

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

.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-blue);
  line-height: 1;
  margin-bottom: 5px;
  font-family: var(--font-headers);
}

.stat-num span {
  font-size: 1.5rem;
  color: var(--text-main);
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-glow-ring {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 1px dashed var(--accent-blue);
  opacity: 0.2;
  animation: rotateClockwise 20s linear infinite;
}

.hero-product-preview {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 360px;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.7));
  animation: floatProduct 4s ease-in-out infinite;
}

/* Products Section */
.products {
  background-color: var(--bg-secondary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-img-wrapper {
  background: linear-gradient(180deg, var(--bg-tertiary), rgba(15, 23, 42, 0.03));
  border-radius: 12px;
  overflow: hidden;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  border: 1px solid var(--border-color);
  position: relative;
}

.product-img-wrapper img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
  transition: var(--transition-smooth);
}

.product-card:hover .product-img-wrapper img {
  transform: scale(1.08) rotate(-3deg);
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.product-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.product-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.product-specs {
  border-top: 1px solid var(--border-color);
  padding-top: 15px;
  margin-bottom: 20px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.spec-label {
  color: var(--text-muted);
}

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

/* Customizer Section */
.customizer {
  background: radial-gradient(circle at 10% 20%, rgba(239, 68, 68, 0.03) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(37, 99, 235, 0.04) 0%, transparent 40%),
              var(--bg-primary);
}

.customizer-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: start;
}

.customizer-preview-pane {
  position: sticky;
  top: 120px;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 450px;
}

.customizer-mockup-wrapper {
  position: relative;
  width: 100%;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
}

.customizer-mockup-wrapper img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  transition: opacity 0.4s ease-in-out, transform 0.4s ease;
  position: absolute;
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}

.customizer-mockup-wrapper img.active {
  opacity: 1;
  transform: scale(1);
  z-index: 2;
}

/* Simulated Custom Logo Stamp */
.mockup-logo-stamp {
  position: absolute;
  top: 48%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-4deg);
  font-family: var(--font-headers);
  font-size: 0.95rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.18);
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 2px solid rgba(255, 255, 255, 0.15);
  padding: 4px 10px;
  border-radius: 4px;
  pointer-events: none;
  z-index: 10;
  display: none;
  transition: var(--transition-smooth);
}

.mockup-logo-stamp.visible {
  display: block;
}

.customizer-preview-info {
  text-align: center;
  width: 100%;
}

.preview-badge-status {
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 600;
}

.customizer-controls {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
}

.control-group {
  margin-bottom: 30px;
}

.control-label {
  display: block;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-weight: 600;
}

/* Toggle Option Selectors */
.option-selector {
  display: flex;
  gap: 15px;
}

.option-btn {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 15px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: center;
}

.option-btn:hover {
  border-color: rgba(15, 23, 42, 0.15);
  color: var(--text-main);
}

.option-btn.active {
  background: rgba(37, 99, 235, 0.1);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* Color Circle Pickers */
.color-selector {
  display: flex;
  gap: 20px;
}

.color-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}

.color-btn::after {
  content: '';
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(15, 23, 42, 0.1);
}

.color-btn.active {
  border-color: var(--accent-blue);
  transform: scale(1.1);
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.3);
}

.color-btn[data-color="silver"]::after {
  background: linear-gradient(135deg, #e2e8f0, #94a3b8);
}
.color-btn[data-color="black"]::after {
  background: linear-gradient(135deg, #1e293b, #0f172a);
}
.color-btn[data-color="golden"]::after {
  background: linear-gradient(135deg, #fbbf24, #b45309);
}

.color-label-display {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: capitalize;
}

/* Inputs & Branded Elements */
.input-flex {
  display: flex;
  gap: 20px;
}

.input-wrapper {
  flex: 1;
}

.input-num {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 15px;
  color: var(--text-main);
  font-size: 1.1rem;
  font-weight: 600;
  outline: none;
  transition: var(--transition-smooth);
}

.input-num:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.15);
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 15px;
  border-radius: 8px;
  user-select: none;
  transition: var(--transition-smooth);
}

.checkbox-wrapper:hover {
  border-color: rgba(15, 23, 42, 0.15);
}

.checkbox-wrapper input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-blue);
}

.checkbox-details {
  display: flex;
  flex-direction: column;
}

.checkbox-title {
  font-size: 0.9rem;
  font-weight: 600;
}

.checkbox-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Dynamic Live Validation Box */
.validation-info-box {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  padding: 15px;
  font-size: 0.85rem;
  color: #dc2626;
  display: none;
}

.validation-info-box.valid {
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: #15803d;
}

.validation-info-box.visible {
  display: block;
}

/* Manufacturing Capabilities */
.factory {
  background-color: var(--bg-secondary);
}

.factory-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: center;
}

.factory-img-panel {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  height: 400px;
}

.factory-img-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.factory-img-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, var(--bg-secondary), transparent 70%);
}

.factory-img-content {
  position: absolute;
  bottom: 25px;
  left: 25px;
  right: 25px;
}

.factory-features {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.feature-item {
  display: flex;
  gap: 20px;
}

.feature-icon-wrapper {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
}

.feature-icon-wrapper svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 5px;
}

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

/* Logistic & Operations Section */
.logistics {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.logistics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.logistic-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logistic-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--bg-tertiary), rgba(15, 23, 42, 0.03));
  border: 1px solid var(--border-color);
  color: var(--accent-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition-smooth);
}

.logistic-card:hover .logistic-icon {
  color: #ffffff;
  background: var(--accent-blue);
  transform: rotateY(180deg);
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.25);
}

.logistic-icon svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.logistic-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

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

/* Contact Footer Section */
footer {
  background-color: #f1f5f9;
  padding: 80px 0 30px;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.footer-title {
  font-size: 1.1rem;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
}

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

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

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent-blue);
  padding-left: 5px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.contact-detail-item {
  display: flex;
  gap: 15px;
  font-size: 0.9rem;
}

.contact-detail-item svg {
  width: 20px;
  height: 20px;
  fill: var(--accent-blue);
  flex-shrink: 0;
}

.contact-text {
  color: var(--text-muted);
}

.contact-text strong {
  color: var(--text-main);
  display: block;
  margin-bottom: 2px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.developer-tag a {
  color: var(--accent-blue);
}

.developer-tag a:hover {
  text-decoration: underline;
}

/* Map Widget */
.map-container {
  height: 160px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-top: 15px;
  position: relative;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(0.4) contrast(1.1);
}

/* --- KEYFRAME ANIMATIONS --- */
@keyframes floatProduct {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(1deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes rotateClockwise {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Mobile Responsive Adjustments */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
  }
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-stats {
    justify-content: center;
    width: 100%;
    flex-wrap: wrap;
    gap: 25px;
  }
  .hero-visual {
    margin-top: 20px;
  }
  
  .customizer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .customizer-preview-pane {
    position: static;
    min-height: 320px;
    padding: 25px;
  }
  .customizer-mockup-wrapper {
    height: 180px;
    margin-bottom: 15px;
  }
  .customizer-controls {
    padding: 25px;
  }
  
  .factory-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .factory-img-panel {
    height: 300px;
    order: 2;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  .section {
    padding: 60px 0;
  }
  .section-header {
    margin-bottom: 40px;
  }
  .section-title {
    font-size: clamp(1.8rem, 5vw, 2.25rem);
  }
  
  /* Mobile Menu Styles with Premium Transitions */
  nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 30px 0;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px);
    transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1), transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.35s;
    pointer-events: none;
  }
  
  nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
  
  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }
  
  .mobile-only-item {
    display: block;
    width: 100%;
    max-width: 250px;
    margin-top: 10px;
  }
  .nav-inquire-btn {
    width: 100%;
    text-align: center;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
  }
  
  .hamburger {
    display: flex;
  }
  
  .hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 576px) {
  .header-inquire-btn {
    display: none;
  }
  
  .hero-title {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }
  
  .hero-stats {
    gap: 20px;
  }
  .stat-item {
    flex: 1 1 calc(50% - 10px);
    text-align: center;
  }
  .stat-item:nth-child(3) {
    flex: 1 1 100%;
  }
  
  .hero-glow-ring {
    width: 240px;
    height: 240px;
  }
  .hero-product-preview {
    max-width: 240px;
  }
  
  .glass-card {
    padding: 20px;
  }
  
  .product-img-wrapper {
    height: 200px;
    margin-bottom: 15px;
  }
  
  .factory-img-panel {
    height: 220px;
  }
  .factory-img-content {
    bottom: 15px;
    left: 15px;
    right: 15px;
  }
  .factory-img-content h3 {
    font-size: 1.25rem !important;
  }
  .feature-item {
    gap: 15px;
  }
  .feature-icon-wrapper {
    width: 40px;
    height: 40px;
  }
  .feature-icon-wrapper svg {
    width: 20px;
    height: 20px;
  }
  .feature-title {
    font-size: 1.05rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  .hero-buttons .btn {
    width: 100%;
  }
  
  .option-selector {
    flex-direction: column;
    gap: 10px;
  }
  .option-btn {
    width: 100%;
  }
  
  .contact-method-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
  }
}

/* --- Locally Separated Color Themes --- */

/* CD70 Card: Blue Accents */
.product-card.cd70-card .badge {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
  border-color: rgba(37, 99, 235, 0.2);
}
.product-card.cd70-card .btn-secondary:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(37, 99, 235, 0.05);
}
.product-card.cd70-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
}

/* CG125 Card: Red Accents */
.product-card.cg125-card .badge {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-red);
  border-color: rgba(239, 68, 68, 0.2);
}
.product-card.cg125-card .btn-secondary:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
  background: rgba(239, 68, 68, 0.05);
}
.product-card.cg125-card:hover {
  border-color: rgba(239, 68, 68, 0.3);
}

/* Model Button State Styling (Separate colors for CD70 and CG125) */
.option-btn#btn-model-cd70.active {
  background: rgba(37, 99, 235, 0.1);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}
.option-btn#btn-model-cg125.active {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--accent-red);
  color: var(--accent-red);
}

/* Preview Heading Dynamic Text Color */
#preview-heading.cd70 {
  color: var(--accent-blue);
  transition: var(--transition-smooth);
}
#preview-heading.cg125 {
  color: var(--accent-red);
  transition: var(--transition-smooth);
}

/* --- Contact Section Styles --- */
.contact-section {
  background: radial-gradient(circle at 80% 80%, rgba(239, 68, 68, 0.03) 0%, transparent 40%),
              var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 50px;
  align-items: start;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-method-card {
  display: flex;
  gap: 20px;
  padding: 20px;
  align-items: center;
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-method-card:nth-child(2) .contact-method-icon {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-red);
}

.contact-method-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.contact-method-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-method-text p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

/* Form Styles */
.contact-form-wrapper {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-main);
  font-size: 1rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.15);
}

select.form-input {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='%23475569' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
}

textarea.form-input {
  resize: vertical;
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* Logo Image Styling */
.logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background-color: #07090e;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
  transition: var(--transition-smooth);
}
.logo-img:hover {
  transform: scale(1.05) rotate(5deg);
  border-color: var(--accent-blue);
}