/* ============================================
   INNO CHUANGHE - Design System
   B2B Industrial HVAC Website
   ============================================ */

:root {
  /* Brand Colors - Deep Blue System */
  --color-primary: #0D47A1;
  --color-primary-dark: #083375;
  --color-primary-darker: #05224F;
  --color-primary-light: #1565C0;
  --color-primary-lighter: #1976D2;
  --color-primary-tint: #E3F2FD;

  /* Accent */
  --color-accent: #FF6B35;
  --color-accent-dark: #E55A2B;
  --color-accent-light: #FF8A5C;

  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-gray-50: #F5F7FA;
  --color-gray-100: #E8ECF1;
  --color-gray-200: #D0D7E0;
  --color-gray-300: #AEB8C6;
  --color-gray-400: #8693A6;
  --color-gray-500: #6B7A8F;
  --color-gray-600: #4A5568;
  --color-gray-700: #334155;
  --color-gray-800: #1A2332;
  --color-gray-900: #0F172A;

  /* Status */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  /* Typography */
  --font-display: 'Montserrat', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'Roboto Mono', 'SF Mono', Menlo, monospace;

  /* Font Sizes */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 1.875rem;
  --fs-4xl: 2.25rem;
  --fs-5xl: 3rem;
  --fs-6xl: 3.75rem;
  --fs-7xl: 4.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1280px;
  --container-padding: var(--space-6);
  --header-height: 80px;
  --header-height-mobile: 64px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(13, 71, 161, 0.05);
  --shadow-md: 0 4px 12px rgba(13, 71, 161, 0.08);
  --shadow-lg: 0 10px 30px rgba(13, 71, 161, 0.12);
  --shadow-xl: 0 20px 50px rgba(13, 71, 161, 0.18);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-gray-700);
  background: var(--color-white);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

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

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.logo img {
  height: 44px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo-text .brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-lg);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.logo-text .brand-sub {
  font-size: var(--fs-xs);
  color: var(--color-gray-500);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.main-nav a {
  position: relative;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-sm);
  color: var(--color-gray-700);
  padding: var(--space-2) 0;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.lang-switcher {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--color-gray-50);
  border-radius: 999px;
  padding: 3px;
  border: 1px solid var(--color-gray-100);
}

.lang-switcher button {
  padding: 6px 14px;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-gray-500);
  border-radius: 999px;
  transition: all var(--transition-fast);
  letter-spacing: 0.05em;
}

.lang-switcher button.active {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 2px 6px rgba(13, 71, 161, 0.3);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  letter-spacing: 0.03em;
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-slow);
}

.cta-button:hover::before {
  left: 100%;
}

.cta-button:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.cta-button.secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.cta-button.secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.cta-button.accent {
  background: var(--color-accent);
}

.cta-button.accent:hover {
  background: var(--color-accent-dark);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-gray-800);
  transition: all var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
  background: var(--color-gray-900);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.35) saturate(1.2);
}

/* Hero background slideshow: images crossfade into each other. The
   filter/opacity above and the gradient overlay below are unchanged,
   so text legibility over the images stays exactly as designed. */
.hero-slideshow {
  overflow: hidden;
}

.hero-slideshow .hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.8s ease-in-out;
  will-change: opacity;
}

.hero-slideshow .hero-slide.is-active {
  opacity: 1;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 71, 161, 0.85) 0%,
    rgba(5, 34, 79, 0.9) 100%
  );
}

/* Diagonal cut signature element */
.hero-diagonal {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--color-white);
  clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 60%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-text .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.eyebrow::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--color-accent);
}

.hero-text h1 {
  font-size: var(--fs-6xl);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
}

.hero-text h1 span {
  color: var(--color-accent);
  display: block;
}

.hero-text .subtitle {
  font-size: var(--fs-lg);
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.stat-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
  border-color: rgba(255, 107, 53, 0.4);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.stat-number sup {
  font-size: var(--fs-xl);
  color: var(--color-accent);
  top: -0.8em;
}

.stat-label {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

/* ============================================
   Section Common
   ============================================ */
.section {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-16);
}

.section-header .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.section-header .eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}

.section-header h2 {
  font-size: var(--fs-4xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--fs-lg);
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* ============================================
   About Section (Home)
   ============================================ */
.about-section {
  position: relative;
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image .main-img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about-image .badge {
  position: absolute;
  bottom: var(--space-8);
  right: var(--space-8);
  background: var(--color-white);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.about-image .badge .years {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.about-image .badge .years span {
  font-size: var(--fs-xl);
  color: var(--color-accent);
}

.about-image .badge .label {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  font-weight: 500;
  max-width: 100px;
  line-height: 1.4;
}

.about-content .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.about-content .eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}

.about-content h2 {
  font-size: var(--fs-4xl);
  font-weight: 800;
  margin-bottom: var(--space-6);
  line-height: 1.2;
}

.about-content .lead {
  font-size: var(--fs-lg);
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.advantage-item:hover {
  background: var(--color-gray-50);
}

.advantage-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--color-primary-tint);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.advantage-item h4 {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
  color: var(--color-gray-800);
}

.advantage-item p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.5;
}

/* ============================================
   Products Section (Home)
   ============================================ */
.products-section {
  background: var(--color-gray-50);
  position: relative;
}

.products-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--color-white);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-card-image {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: var(--color-gray-50);
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 71, 161, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.product-card:hover .product-card-image::after {
  opacity: 1;
}

.product-card-body {
  padding: var(--space-5);
}

.product-card-body h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-gray-800);
  transition: color var(--transition-fast);
}

.product-card:hover .product-card-body h3 {
  color: var(--color-primary);
}

.product-card-body p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.03em;
}

.product-card-link svg {
  transition: transform var(--transition-fast);
}

.product-card:hover .product-card-link svg {
  transform: translateX(4px);
}

.products-more {
  text-align: center;
  margin-top: var(--space-12);
}

/* ============================================
   Services Section
   ============================================ */
.services-section {
  background: var(--color-white);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.service-card {
  position: relative;
  padding: var(--space-10) var(--space-8);
  border-right: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
  background: var(--color-white);
  overflow: hidden;
}

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

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.service-card:hover {
  background: var(--color-gray-50);
}

.service-card:hover::before {
  width: 100%;
}

.service-number {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-5);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-5);
  background: var(--color-primary-tint);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: var(--color-primary);
  color: var(--color-white);
}

.service-card h3 {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-gray-800);
}

.service-card p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.service-card .service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.03em;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-base);
}

.service-card:hover .service-link {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   News Section (Home)
   ============================================ */
.news-section {
  background: var(--color-gray-50);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.news-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  cursor: pointer;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.news-card-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-card-image img {
  transform: scale(1.05);
}

.news-card-tag {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-white);
  padding: 4px 12px;
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  letter-spacing: 0.03em;
}

.news-card-body {
  padding: var(--space-5);
}

.news-card-date {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-gray-400);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.news-card-body h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-gray-800);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-fast);
}

.news-card:hover .news-card-body h3 {
  color: var(--color-primary);
}

.news-card-body p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   Contact CTA Section (Home)
   ============================================ */
.contact-cta-section {
  position: relative;
  background: var(--color-primary-dark);
  overflow: hidden;
}

.contact-cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(25, 118, 210, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.15) 0%, transparent 50%);
}

.contact-cta-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info-block h2 {
  font-size: var(--fs-4xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-6);
  line-height: 1.2;
}

.contact-info-block > p {
  font-size: var(--fs-lg);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-detail-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-light);
}

.contact-detail-text h4 {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-1);
  font-family: var(--font-body);
  letter-spacing: 0.03em;
}

.contact-detail-text p,
.contact-detail-text a {
  font-size: var(--fs-base);
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

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

.contact-form-block {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
}

.contact-form-block h3 {
  font-size: var(--fs-2xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-gray-900);
}

.contact-form-block > p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: var(--fs-sm);
  color: var(--color-gray-800);
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-100);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding-top: var(--space-20);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: var(--space-10);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.footer-brand .logo {
  margin-bottom: var(--space-2);
}

.footer-brand .logo img {
  height: 40px;
}

.footer-brand .logo-text .brand-name {
  color: var(--color-white);
}

.footer-brand .logo-text .brand-sub {
  color: var(--color-gray-400);
}

.footer-brand p {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--color-gray-400);
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-300);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-5);
  letter-spacing: 0.02em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col ul li a {
  font-size: var(--fs-sm);
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--color-accent-light);
  padding-left: 4px;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-gray-400);
  line-height: 1.5;
}

.footer-contact-item svg {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) 0;
  font-size: var(--fs-xs);
  color: var(--color-gray-500);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a:hover {
  color: var(--color-white);
}

/* ============================================
   Page Header (Inner Pages)
   ============================================ */
.page-header {
  position: relative;
  padding: calc(var(--header-height) + var(--space-20)) 0 var(--space-16);
  background: var(--color-primary-dark);
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(25, 118, 210, 0.4) 0%, transparent 40%),
    linear-gradient(135deg, rgba(13, 71, 161, 0.9) 0%, rgba(5, 34, 79, 0.95) 100%);
}

.page-header-content {
  position: relative;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-5);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

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

.breadcrumb .separator {
  color: var(--color-accent);
}

.breadcrumb .current {
  color: var(--color-white);
}

.page-header h1 {
  font-size: var(--fs-5xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
}

.page-header .subtitle {
  font-size: var(--fs-lg);
  color: rgba(255, 255, 255, 0.7);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

.page-header-diagonal {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--color-white);
  clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 60%);
}

.page-header.light-bg + .section {
  padding-top: var(--space-20);
}

/* ============================================
   About Page
   ============================================ */
.about-hero-section {
  background: var(--color-white);
}

.about-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.mission-vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-top: var(--space-10);
}

.mv-card {
  padding: var(--space-8);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.mv-card.vision {
  border-left-color: var(--color-accent);
}

.mv-card h3 {
  font-size: var(--fs-2xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-gray-800);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mv-card h3 svg {
  color: var(--color-primary);
}

.mv-card.vision h3 svg {
  color: var(--color-accent);
}

.mv-card p {
  font-size: var(--fs-base);
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* Timeline */
.timeline-section {
  background: var(--color-gray-50);
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-8) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-gray-200);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 0;
  margin-bottom: var(--space-10);
  align-items: start;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  width: 20px;
  height: 20px;
  background: var(--color-white);
  border: 4px solid var(--color-primary);
  border-radius: 50%;
  position: absolute;
  left: 50%;
  top: 8px;
  transform: translateX(-50%);
  z-index: 1;
  box-shadow: 0 0 0 6px rgba(13, 71, 161, 0.1);
}

.timeline-year {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.timeline-content {
  background: var(--color-white);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.timeline-item:nth-child(odd) .timeline-year {
  text-align: right;
  padding-right: var(--space-8);
}

.timeline-item:nth-child(odd) .timeline-content {
  grid-column: 3;
}

.timeline-item:nth-child(even) .timeline-year {
  grid-column: 3;
  text-align: left;
  padding-left: var(--space-8);
}

.timeline-item:nth-child(even) .timeline-content {
  grid-column: 1;
  grid-row: 1;
}

.timeline-content h4 {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-gray-800);
}

.timeline-content p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* Certifications */
.cert-section {
  background: var(--color-white);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.cert-card {
  text-align: center;
  padding: var(--space-8) var(--space-5);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.cert-card:hover {
  background: var(--color-white);
  border-color: var(--color-primary-tint);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.cert-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-5);
  background: var(--color-primary-tint);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.cert-card h4 {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-gray-800);
}

.cert-card p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.5;
}

/* Team Section */
.team-section {
  background: var(--color-gray-50);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.team-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.team-photo {
  height: 280px;
  overflow: hidden;
  background: var(--color-gray-200);
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-info {
  padding: var(--space-5);
  text-align: center;
}

.team-info h4 {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-1);
  color: var(--color-gray-800);
}

.team-info .role {
  font-size: var(--fs-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.team-info p {
  font-size: var(--fs-xs);
  color: var(--color-gray-500);
  line-height: 1.5;
}

/* Factory Gallery */
.factory-section {
  background: var(--color-white);
}

.factory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.factory-item {
  position: relative;
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.factory-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.factory-item:hover img {
  transform: scale(1.08);
}

.factory-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 71, 161, 0.7) 0%, transparent 60%);
  transition: opacity var(--transition-base);
}

.factory-item:hover::after {
  opacity: 0.8;
}

.factory-item-label {
  position: absolute;
  bottom: var(--space-5);
  left: var(--space-5);
  right: var(--space-5);
  z-index: 1;
  color: var(--color-white);
}

.factory-item-label h4 {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-1);
}

.factory-item-label p {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.75);
}

/* ============================================
   Products Page
   ============================================ */
.products-page-section {
  background: var(--color-white);
}

.products-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-gray-600);
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-100);
  border-radius: 999px;
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
}

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

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

.products-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.product-full-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.product-full-card-image {
  position: relative;
  height: 300px;
  background: var(--color-gray-50);
  overflow: hidden;
}

.product-full-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-accent);
  color: var(--color-white);
  padding: 4px 12px;
  font-size: var(--fs-xs);
  font-weight: 700;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.product-full-card-body {
  padding: var(--space-6);
}

.product-category-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-primary);
  background: var(--color-primary-tint);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.product-full-card-body h3 {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-gray-800);
  line-height: 1.3;
  transition: color var(--transition-fast);
}

.product-full-card:hover .product-full-card-body h3 {
  color: var(--color-primary);
}

.product-full-card-body > p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
  margin-bottom: var(--space-5);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.product-features span {
  font-size: var(--fs-xs);
  color: var(--color-gray-600);
  background: var(--color-gray-50);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-100);
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-100);
}

.product-card-footer .view-detail {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.product-card-footer .inquiry-btn {
  font-size: var(--fs-xs);
  color: var(--color-accent);
  font-weight: 600;
}

/* ============================================
   Product Detail Page
   ============================================ */
.product-detail-section {
  background: var(--color-white);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: calc(var(--header-height) + var(--space-8));
}

.product-main-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-gray-100);
}

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

.product-thumbnails {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.product-thumb {
  aspect-ratio: 1;
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
}

.product-thumb:hover {
  border-color: var(--color-primary-tint);
}

.product-thumb.active {
  border-color: var(--color-primary);
}

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

.product-info h1 {
  font-size: var(--fs-4xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
  color: var(--color-gray-900);
  line-height: 1.2;
}

.product-info .product-subtitle {
  font-size: var(--fs-lg);
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.product-specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-8);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--color-gray-100);
}

.product-specs-table caption {
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: var(--space-4);
  padding: 0;
}

.product-specs-table th,
.product-specs-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-gray-100);
  font-size: var(--fs-sm);
}

.product-specs-table th {
  background: var(--color-gray-50);
  color: var(--color-gray-600);
  font-weight: 600;
  width: 40%;
}

.product-specs-table td {
  color: var(--color-gray-800);
}

.product-specs-table tr:last-child th,
.product-specs-table tr:last-child td {
  border-bottom: none;
}

.product-features-section,
.product-applications-section {
  margin-bottom: var(--space-8);
}

.product-features-section h3,
.product-applications-section h3 {
  font-size: var(--fs-2xl);
  font-weight: 700;
  margin-bottom: var(--space-5);
  color: var(--color-gray-800);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.product-features-section h3::before,
.product-applications-section h3::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--color-primary);
  border-radius: 2px;
}

.features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.feature-item:hover {
  background: var(--color-gray-50);
}

.feature-item svg {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.feature-item span {
  font-size: var(--fs-sm);
  color: var(--color-gray-600);
  line-height: 1.5;
}

.application-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.application-tags span {
  padding: 8px 18px;
  background: var(--color-primary-tint);
  color: var(--color-primary);
  border-radius: 999px;
  font-size: var(--fs-sm);
  font-weight: 600;
}

.product-cta-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  color: var(--color-white);
  text-align: center;
}

.product-cta-box h3 {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.product-cta-box p {
  font-size: var(--fs-sm);
  opacity: 0.8;
  margin-bottom: var(--space-5);
}

.product-cta-box .cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

/* Related Products */
.related-products-section {
  background: var(--color-gray-50);
}

.related-products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

/* ============================================
   Contact Page
   ============================================ */
.contact-page-section {
  background: var(--color-white);
}

.contact-page-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-info-card {
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}

.contact-info-card h2 {
  font-size: var(--fs-3xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
  color: var(--color-gray-900);
}

.contact-info-card > p {
  font-size: var(--fs-base);
  color: var(--color-gray-500);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.contact-info-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-info-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.contact-info-content h4 {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
  color: var(--color-gray-800);
}

.contact-info-content p,
.contact-info-content a {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.5;
  transition: color var(--transition-fast);
}

.contact-info-content a:hover {
  color: var(--color-primary);
}

.contact-social {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
}

.contact-social h4 {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--color-gray-800);
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-links a {
  width: 44px;
  height: 44px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.contact-form-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-100);
}

.contact-form-card h2 {
  font-size: var(--fs-3xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
  color: var(--color-gray-900);
}

.contact-form-card > p {
  font-size: var(--fs-base);
  color: var(--color-gray-500);
  margin-bottom: var(--space-8);
}

.map-section {
  background: var(--color-gray-50);
  padding: var(--space-20) 0;
}

.map-placeholder {
  width: 100%;
  height: 450px;
  background: linear-gradient(135deg, var(--color-primary-tint) 0%, #BBDEFB 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-4);
  color: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.map-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(13, 71, 161, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 71, 161, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

.map-placeholder-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.map-placeholder-content svg {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
}

.map-placeholder-content h3 {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-2);
}

.map-placeholder-content p {
  font-size: var(--fs-base);
  color: var(--color-primary);
  max-width: 400px;
  line-height: 1.6;
}

/* ============================================
   News Page
   ============================================ */
.news-page-section {
  background: var(--color-white);
}

.news-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.news-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.news-full-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
  cursor: pointer;
}

.news-full-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.news-full-card-image {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.news-full-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-full-card:hover .news-full-card-image img {
  transform: scale(1.06);
}

.news-full-card-body {
  padding: var(--space-6);
}

.news-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.news-meta .category {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-tint);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.news-meta .date {
  font-size: var(--fs-xs);
  color: var(--color-gray-400);
}

.news-full-card-body h3 {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-gray-800);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-fast);
}

.news-full-card:hover .news-full-card-body h3 {
  color: var(--color-primary);
}

.news-full-card-body > p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-5);
}

.read-more-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  transition: gap var(--transition-fast);
}

.news-full-card:hover .read-more-btn {
  gap: var(--space-3);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
}

.pagination button {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-gray-600);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.pagination button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination button.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  :root {
    --fs-6xl: 3rem;
    --fs-5xl: 2.25rem;
    --fs-4xl: 1.875rem;
    --fs-3xl: 1.5rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .hero-stats {
    max-width: 500px;
  }

  .products-grid,
  .services-grid,
  .team-grid,
  .cert-grid,
  .related-products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    gap: var(--space-4);
  }

  .service-card {
    border-right: none;
    border-bottom: 1px solid var(--color-gray-100);
    border-radius: var(--radius-lg);
  }

  .service-card:last-child {
    border-bottom: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .contact-cta-grid,
  .about-grid,
  .about-hero-grid,
  .product-detail-grid,
  .contact-page-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .product-gallery {
    position: static;
  }

  .news-grid,
  .factory-grid,
  .products-full-grid,
  .news-full-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    grid-template-columns: 60px 1fr;
  }

  .timeline-dot {
    left: 20px;
  }

  .timeline-item:nth-child(odd) .timeline-year,
  .timeline-item:nth-child(even) .timeline-year {
    grid-column: 1;
    text-align: center;
    padding: 0;
    font-size: var(--fs-xl);
    writing-mode: vertical-rl;
    text-orientation: mixed;
    margin: 0 auto;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    grid-column: 2;
    grid-row: 1;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --space-24: 4rem;
    --space-20: 3rem;
    --space-16: 2.5rem;
  }

  .header-inner {
    height: var(--header-height);
  }

  .logo img {
    height: 32px;
  }

  .logo-text {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-8);
    gap: var(--space-6);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 999;
    overflow-y: auto;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .main-nav ul {
    flex-direction: column;
    gap: var(--space-4);
    width: 100%;
  }

  .main-nav a {
    font-size: var(--fs-lg);
    padding: var(--space-3) 0;
    display: block;
  }

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

  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .header-actions .cta-button {
    display: none;
  }

  .lang-switcher button {
    padding: 4px 10px;
  }

  .hero {
    min-height: auto;
    padding: var(--space-20) 0 var(--space-16);
  }

  .hero-text h1 {
    font-size: var(--fs-5xl);
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .stat-card {
    padding: var(--space-4);
  }

  .stat-number {
    font-size: var(--fs-3xl);
  }

  .products-grid,
  .services-grid,
  .team-grid,
  .cert-grid,
  .footer-grid,
  .products-full-grid,
  .news-full-grid,
  .news-grid,
  .factory-grid,
  .features-list,
  .related-products-grid,
  .mission-vision-grid,
  .advantages-grid {
    grid-template-columns: 1fr;
  }

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

  .page-header h1 {
    font-size: var(--fs-4xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .contact-form-block,
  .contact-info-card,
  .contact-form-card {
    padding: var(--space-6);
  }

  .product-thumbnails {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
    --fs-4xl: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .cta-button {
    width: 100%;
    justify-content: center;
  }

  .pagination {
    flex-wrap: wrap;
  }
}