/* ============================================
   LEX Website - Global Styles
   ============================================ */

/* CSS Variables */
:root {
  --green: #27AE60;
  --green-dark: #1E8449;
  --green-light: #D5F5E3;
  --dark: #1C1C1C;
  --dark-2: #2D2D2D;
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-600: #757575;
  --gray-800: #424242;
  --gray-900: #212121;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
  --max-width: 1200px;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; }

/* Typography */
h1, h2, h3, h4 { color: var(--gray-900); line-height: 1.3; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 3vw, 1.5rem); font-weight: 600; }
p { color: var(--gray-600); }

/* Container */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ============================================
   Header / Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--gray-900);
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--green);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  border-radius: 6px;
}
.logo span { color: var(--green); }

.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links a {
  font-size: 0.95rem;
  color: var(--gray-800);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green);
  transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--green); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta {
  background: var(--green);
  color: white !important;
  padding: 9px 22px;
  border-radius: 6px;
  font-weight: 600;
  transition: background var(--transition);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--green-dark); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 5px;
  cursor: pointer;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--gray-900);
  transition: var(--transition);
  border-radius: 2px;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: white;
  box-shadow: var(--shadow-lg);
  padding: 20px;
  flex-direction: column;
  gap: 16px;
  z-index: 999;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}
.mobile-nav.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-nav a {
  font-size: 1.05rem;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-800);
  transition: color var(--transition), padding-left 0.2s ease;
}
.mobile-nav a:hover {
  color: var(--green);
  padding-left: 8px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-primary {
  background: var(--green);
  color: white;
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,166,80,0.35); }
.btn-outline {
  background: transparent;
  color: var(--green);
  border: 2px solid var(--green);
}
.btn-outline:hover { background: var(--green); color: white; }

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--dark);
  padding-top: 72px;
}
.hero h1 { color: white; }
.hero p { color: rgba(255,255,255,0.75); }
.hero .hero-tag { background: rgba(39,174,96,0.2); color: #4cd482; }
.hero .hero-visual { background: linear-gradient(135deg, var(--dark-2), #3a3a3a); }
.hero .hero-visual-inner h3 { color: var(--green); }
.hero .hero-visual-inner p { color: rgba(255,255,255,0.6); }
.hero .hero-badge { background: rgba(44,44,44,0.95); backdrop-filter: blur(8px); }
.hero .badge-text strong { color: white; }
.hero .badge-text span { color: rgba(255,255,255,0.6); }
.hero::before { display: none; }
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 70%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(0,166,80,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 { margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--green); }
.hero p {
  font-size: 1.15rem;
  margin-bottom: 36px;
  max-width: 500px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual {
  width: 100%;
  max-width: 520px;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--green-light) 0%, #d0f0d8 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero-visual-inner {
  text-align: center;
  padding: 40px;
}
.hero-visual-inner .machine-icon {
  width: 120px;
  height: 120px;
  background: var(--green);
  border-radius: 20px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.machine-icon svg { width: 60px; height: 60px; fill: white; }
.hero-visual-inner h3 { color: var(--green); font-size: 1.4rem; }
.hero-visual-inner p { color: var(--green-dark); font-size: 0.9rem; }

/* Floating badge */
.hero-badge {
  position: absolute;
  background: white;
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-badge-1 { bottom: -20px; left: -20px; }
.hero-badge-2 { top: 20px; right: -20px; }
.badge-icon {
  width: 36px;
  height: 36px;
  background: var(--green-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.badge-text strong { display: block; font-size: 0.85rem; color: var(--gray-900); }
.badge-text span { font-size: 0.75rem; color: var(--gray-600); }

/* ============================================
   Section Styles
   ============================================ */
.section { padding: 100px 0; }
.section-gray { background: var(--gray-50); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.section-tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.section-header h2 { margin-bottom: 14px; }
.section-header p { font-size: 1.05rem; }

/* ============================================
   Products Grid
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green);
}
@media (hover: none) {
  .product-card:active {
    transform: scale(0.98);
    box-shadow: var(--shadow-sm);
  }
}
.product-card-visual {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--gray-100);
}
.product-card-visual svg { width: 64px; height: 64px; opacity: 0.9; transition: transform 0.3s ease; }
.product-card-visual img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}
.product-card:hover .product-card-visual img,
.product-card:hover .product-card-visual svg {
  transform: scale(1.05);
}
.product-card-visual .series-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--green);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}
.product-card-body { padding: 22px; }
.product-card-body h3 { margin-bottom: 8px; font-size: 1.1rem; }
.product-card-body p { font-size: 0.88rem; margin-bottom: 14px; }
.product-models {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.product-models span {
  background: var(--gray-100);
  color: var(--gray-600);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}
.product-detail-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--green);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s;
}
.product-detail-link:hover {
  color: var(--green-dark);
  text-decoration: underline;
}

/* Series colors */
.series-t { background: linear-gradient(135deg, #e8f5e9, #c8e6c9); }
.series-t svg { fill: #2e7d32; }
.series-bg { background: linear-gradient(135deg, #e3f2fd, #bbdefb); }
.series-bg svg { fill: #1565c0; }
.series-s { background: linear-gradient(135deg, #fff3e0, #ffe0b2); }
.series-s svg { fill: #e65100; }
.series-h { background: linear-gradient(135deg, #f3e5f5, #e1bee7); }
.series-h svg { fill: #6a1b9a; }

/* ============================================
   Features / Advantages
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: white;
  border-radius: 16px;
  padding: 30px 24px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--green);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--green-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.feature-icon svg { width: 28px; height: 28px; fill: var(--green); }
.feature-card h3 { margin-bottom: 10px; font-size: 1.05rem; }
.feature-card p { font-size: 0.88rem; }

/* ============================================
   About Preview
   ============================================ */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  background: linear-gradient(135deg, var(--green-light) 0%, #d0f0d8 100%);
  border-radius: 20px;
  height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.about-visual-content { text-align: center; padding: 40px; }
.about-visual-content .big-number {
  font-size: 5rem;
  font-weight: 900;
  color: var(--green);
  opacity: 0.2;
  position: absolute;
}
.about-visual-content h3 { color: var(--green); font-size: 1.8rem; margin-bottom: 10px; }
.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 30px;
}
.stat-box {
  background: white;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.stat-box .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--green);
  display: block;
}
.stat-box .label { font-size: 0.85rem; color: var(--gray-600); margin-top: 4px; }
.about-content .section-tag { margin-bottom: 14px; }
.about-content h2 { margin-bottom: 20px; }
.about-content > p { margin-bottom: 16px; font-size: 1.02rem; }
.about-list { margin: 24px 0; }
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--gray-800);
}
.about-list li .check {
  width: 22px;
  height: 22px;
  background: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.about-list li .check svg { width: 12px; height: 12px; fill: white; }

/* ============================================
   Tech Section
   ============================================ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.tech-card {
  background: white;
  border-radius: 16px;
  padding: 36px;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  display: flex;
  gap: 24px;
}
.tech-card:hover {
  border-color: var(--green);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.tech-card-icon {
  width: 56px;
  height: 56px;
  background: var(--green-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tech-card-icon svg { width: 26px; height: 26px; fill: var(--green); }
.tech-card h3 { margin-bottom: 10px; }
.tech-card p { font-size: 0.92rem; }

/* ============================================
   Contact / CTA Section
   ============================================ */
.cta-section {
  background: var(--green);
  color: white;
  padding: 80px 0;
}
.cta-content { text-align: center; }
.cta-content h2 { color: white; margin-bottom: 14px; }
.cta-content p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 36px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-buttons .btn-primary {
  background: white;
  color: var(--green);
}
.cta-buttons .btn-primary:hover {
  background: var(--gray-100);
  transform: translateY(-1px);
}
.cta-buttons .btn-outline {
  border-color: white;
  color: white;
}
.cta-buttons .btn-outline:hover {
  background: rgba(255,255,255,0.15);
}

/* Contact Info Bar */
.contact-bar {
  background: var(--gray-900);
  color: white;
  padding: 60px 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.contact-item { text-align: center; }
.contact-item .icon {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.contact-item .icon svg { width: 24px; height: 24px; fill: var(--green); }
.contact-item h4 { color: white; margin-bottom: 8px; font-size: 1rem; }
.contact-item p { color: rgba(255,255,255,0.7); font-size: 0.92rem; }
.contact-item a { color: var(--green); font-weight: 600; transition: color var(--transition); }
.contact-item a:hover { color: #4cd482; }

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.6);
  padding: 50px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo { color: white; margin-bottom: 14px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; max-width: 300px; }
.footer-col h4 { color: white; margin-bottom: 18px; font-size: 0.95rem; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 0.88rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--green); }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
}

/* ============================================
   Page Banner
   ============================================ */
.page-banner {
  background: var(--dark);
  color: white;
  padding: 140px 0 80px;
  text-align: center;
}
.page-banner h1 { color: white; margin-bottom: 12px; }
.page-banner p { color: rgba(255,255,255,0.8); font-size: 1.1rem; }
.breadcrumb {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
}
.breadcrumb a { color: rgba(255,255,255,0.8); transition: color var(--transition); }
.breadcrumb a:hover { color: white; }

/* ============================================
   About Page
   ============================================ */
.timeline { position: relative; padding-left: 40px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
  border: 3px solid white;
  box-shadow: 0 0 0 3px var(--green-light);
}
.timeline-year {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 6px;
}
.timeline-item h3 { margin-bottom: 8px; font-size: 1.1rem; }
.timeline-item p { font-size: 0.92rem; }

/* ============================================
   Products Page
   ============================================ */
.product-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 10px 24px;
  border-radius: 30px;
  border: 2px solid var(--gray-200);
  background: white;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.tab-btn:hover { border-color: var(--green); color: var(--green); }
.tab-btn.active {
  background: var(--green);
  border-color: var(--green);
  color: white;
}
.product-item {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  margin-bottom: 32px;
}
.product-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green);
}
.product-row {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 200px;
}
.product-item-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.product-item-visual svg { width: 80px; height: 80px; }
.product-item-info { padding: 28px 28px 28px 0; }
.product-item-info h3 { margin-bottom: 8px; font-size: 1.2rem; }
.product-item-info .subtitle { font-size: 0.88rem; color: var(--green); font-weight: 600; margin-bottom: 10px; }
.product-item-info > p { font-size: 0.9rem; margin-bottom: 16px; }
.product-params { margin: 24px 0; }
.product-params h4 { margin-bottom: 12px; font-size: 0.9rem; color: var(--gray-600); text-transform: uppercase; letter-spacing: 1px; }
.param-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.param-item {
  background: var(--gray-50);
  padding: 12px 16px;
  border-radius: 8px;
  border-left: 3px solid var(--green);
}
.param-item .label { font-size: 0.78rem; color: var(--gray-600); margin-bottom: 2px; }
.param-item .value { font-weight: 600; color: var(--gray-900); font-size: 0.95rem; }


/* ============================================
   Technology Page
   ============================================ */
.patent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.patent-card {
  background: white;
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.patent-card:hover { border-color: var(--green); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.patent-icon {
  width: 70px;
  height: 70px;
  background: var(--green-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.patent-icon svg { width: 32px; height: 32px; fill: var(--green); }
.patent-card h3 { margin-bottom: 10px; font-size: 1.05rem; }
.patent-card p { font-size: 0.88rem; }

/* ============================================
   Contact Page
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-form {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.contact-form h3 { margin-bottom: 24px; font-size: 1.3rem; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  background: var(--gray-50);
  color: var(--gray-800);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--green);
  background: white;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.contact-map {
  background: var(--gray-100);
  border-radius: 20px;
  height: 100%;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px;
}
.contact-map-info { margin-top: 30px; }
.contact-map-info .info-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gray-200);
}
.contact-map-info .info-row:last-child { border-bottom: none; }
.contact-map-info .info-icon {
  width: 40px;
  height: 40px;
  background: var(--green-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-map-info .info-icon svg { width: 18px; height: 18px; fill: var(--green); }
.contact-map-info h4 { font-size: 0.88rem; color: var(--gray-600); margin-bottom: 4px; }
.contact-map-info p { font-size: 0.95rem; color: var(--gray-900); font-weight: 500; }

/* ============================================
   Animations
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin: 0 auto 36px; }
  .hero-buttons { justify-content: center; }
  .hero-visual { max-width: 400px; margin: 0 auto; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .about-preview { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: 1fr; }
  .patent-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .patent-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .page-banner { padding: 120px 0 60px; }
  .section { padding: 60px 0; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .product-detail { padding: 28px; }
  .param-grid { grid-template-columns: 1fr; }
}
.logo-text { font-weight: 700; font-size: 1.2rem; color: white; }