/* ============================================================
   Smart Elderly Care �?B2B Export Website
   Global Stylesheet
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #1a365d;
  --color-primary-light: #2a4a7f;
  --color-primary-dark: #0f2645;
  --color-accent: #2B9B8E;
  --color-accent-light: #5CBFB4;
  --color-accent-dark: #1E7A6E;
  --color-accent-bg: rgba(43, 155, 142, 0.08);
  --color-white: #ffffff;
  --color-bg: #f7fafc;
  --color-bg-alt: #edf2f7;
  --color-text: #2d3748;
  --color-text-light: #718096;
  --color-text-muted: #a0aec0;
  --color-border: #e2e8f0;
  --color-success: #48bb78;
  --color-warning: #ecc94b;
  --color-error: #f56565;
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --nav-height: 72px;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-accent-dark);
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

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

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

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 12px;
  line-height: 1.3;
}

.section-dark .section-title {
  color: var(--color-white);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.6;
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(43, 155, 142, 0.35);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  box-shadow: 0 6px 24px rgba(43, 155, 142, 0.45);
  transform: translateY(-2px);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.btn-white:hover {
  background: var(--color-bg);
  transform: translateY(-2px);
  color: var(--color-primary);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition);
}

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

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-logo:hover {
  color: var(--color-primary);
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
}

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

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

.nav-links a:hover {
  color: var(--color-accent);
}

.nav-links .btn,
.nav-links .btn:hover,
.nav-links .btn-primary:hover {
  color: var(--color-white);
}

.nav-links .btn {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* ============================================================
   DROPDOWN NAV
   ============================================================ */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-btn {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  background: none;
  border: none;
  font-family: var(--font-primary);
  cursor: pointer;
  padding: 4px 0;
  position: relative;
}

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

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

.nav-dropdown-btn:hover {
  color: var(--color-accent);
}

.nav-dropdown-btn .arrow {
  display: inline-block;
  margin-left: 4px;
  font-size: 0.7rem;
  transition: transform var(--transition);
}

.nav-dropdown:hover .nav-dropdown-btn .arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  padding: 12px 8px 8px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Bridge gap between button and menu so hover doesn't break */
.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition);
}

.nav-dropdown-menu a::after {
  display: none;
}

.nav-dropdown-menu a:hover {
  background: rgba(43, 155, 142, 0.08);
  color: var(--color-accent-dark);
}

.nav-dropdown-menu a .dropdown-desc {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-light);
  font-weight: 400;
  margin-top: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

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

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: calc(var(--nav-height) + 60px) 0 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #234e82 50%, var(--color-primary-light) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(43, 155, 142, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(43, 155, 142, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-content h1 span {
  color: var(--color-accent-light);
}

.hero-content p {
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-placeholder {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4/3;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  border: 1px solid rgba(255,255,255,0.12);
}

.hero-image-placeholder .icon-large {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.6;
}

.hero-image-placeholder p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent-light);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

/* ============================================================
   PRODUCTS GRID
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

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

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.product-card-image {
  height: 220px;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-card-image .icon-bg {
  font-size: 4rem;
  opacity: 0.3;
  color: var(--color-primary);
}

.product-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.product-card-body p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.product-card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.product-card-features span {
  font-size: 0.8rem;
  background: var(--color-bg);
  color: var(--color-text-light);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
}

.product-card .btn {
  align-self: flex-start;
}

/* ============================================================
   WHY US
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

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

.why-card-icon {
  width: 64px;
  height: 64px;
  background: rgba(43, 155, 142, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.75rem;
}

.why-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  text-align: center;
  padding: 80px 0;
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.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 h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}

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

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

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

/* ============================================================
   PRODUCT DETAIL PAGE
   ============================================================ */
.product-detail {
  padding: calc(var(--nav-height) + 40px) 0 60px;
}

.product-detail-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
  align-items: start;
}

.product-detail-image {
  height: 360px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.product-detail-image .icon-bg {
  font-size: 5rem;
  opacity: 0.25;
  color: var(--color-primary);
}

.product-detail-info h1 {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.2;
}

.product-detail-info .tagline {
  font-size: 1.15rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 20px;
}

.product-detail-info .description {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 24px;
}

.product-b2b-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.product-b2b-badge {
  background: rgba(43, 155, 142, 0.1);
  color: var(--color-accent-dark);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid rgba(43, 155, 142, 0.2);
}

/* Feature grid on detail page */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

.feature-item-icon {
  width: 36px;
  height: 36px;
  background: rgba(43, 155, 142, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
  color: var(--color-accent);
}

.feature-item-text h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.feature-item-text p {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* B2B Benefits section */
.b2b-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.b2b-benefit-card {
  padding: 28px 20px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-align: center;
  transition: all var(--transition);
}

.b2b-benefit-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.b2b-benefit-card .icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.b2b-benefit-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.b2b-benefit-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* Specs table */
.specs-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.table-wrapper {
  overflow-x: auto;
  margin-bottom: 40px;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.table-wrapper::-webkit-scrollbar {
  height: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  min-width: 400px;
}

.table-wrapper .specs-table {
  box-shadow: none;
  margin-bottom: 0;
}

.specs-table thead {
  background: var(--color-primary);
  color: var(--color-white);
}

.specs-table th {
  padding: 14px 20px;
  text-align: left;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.specs-table td {
  padding: 12px 20px;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-border);
}

.specs-table tbody tr:nth-child(even) {
  background: var(--color-bg);
}

.specs-table tbody tr:hover {
  background: var(--color-bg-alt);
}

.specs-table td:first-child {
  font-weight: 600;
  color: var(--color-primary);
}

/* Product detail CTA */
.product-detail-cta {
  text-align: center;
  padding: 48px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.product-detail-cta h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.product-detail-cta p {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

/* ============================================================
   CONTACT / ABOUT PAGES
   ============================================================ */
.page-header {
  padding: calc(var(--nav-height) + 60px) 0 48px;
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto;
}

.page-body {
  padding: 60px 0;
}

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
}

.contact-form h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  font-family: var(--font-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(43, 155, 142, 0.2);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-info-card {
  padding: 28px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.contact-info-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-info-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.contact-info-card .contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.contact-info-card .contact-detail:last-child {
  margin-bottom: 0;
}

/* About page */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 60px;
}

.about-content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.about-content p {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-image {
  height: 320px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image .icon-bg {
  font-size: 4rem;
  opacity: 0.25;
  color: var(--color-primary);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.about-stat {
  text-align: center;
  padding: 28px 16px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.about-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
}

.about-stat-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* ============================================================
   BLOG
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.blog-card-image {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card-icon {
  font-size: 3rem;
  opacity: 0.3;
  filter: brightness(0) invert(1);
}

.blog-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.blog-card-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-dark);
  background: rgba(43, 155, 142, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
}

.blog-card-date {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.blog-card-body h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.blog-card-body h2 a {
  color: var(--color-primary);
}

.blog-card-body h2 a:hover {
  color: var(--color-accent-dark);
}

.blog-card-body p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  flex: 1;
}

.blog-read-more {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.blog-read-more:hover {
  gap: 8px;
  color: var(--color-accent-dark);
}

.blog-cta {
  text-align: center;
  padding: 60px 24px;
  margin-top: 60px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.blog-cta h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.blog-cta p {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.blog-subscribe {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.blog-subscribe input {
  flex: 1;
  padding: 12px 16px;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
}

.blog-subscribe input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(43, 155, 142, 0.2);
}

/* ============================================================
   BLOG ARTICLE PAGE
   ============================================================ */
.blog-article {
  padding: calc(var(--nav-height) + 40px) 0 80px;
}

.blog-article-header {
  max-width: 800px;
  margin: 0 auto 40px;
  text-align: center;
}

.blog-article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.blog-article-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-dark);
  background: rgba(43, 155, 142, 0.1);
  padding: 4px 12px;
  border-radius: 4px;
}

.blog-article-date,
.blog-article-readtime {
  font-size: 0.88rem;
  color: var(--color-text-light);
}

.blog-article-header h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.blog-article-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.blog-article-hero {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
}

.blog-article-body {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 48px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.blog-article-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 32px 0 12px;
}

.blog-article-body p {
  margin-bottom: 20px;
}

.blog-article-body ul,
.blog-article-body ol {
  margin: 0 0 20px 24px;
}

.blog-article-body li {
  margin-bottom: 10px;
}

.blog-article-image {
  width: 100%;
  border-radius: var(--radius-md);
  margin: 32px 0;
  box-shadow: var(--shadow-sm);
}

.blog-highlight-box {
  background: var(--color-bg);
  border-left: 4px solid var(--color-accent);
  padding: 24px 28px;
  margin: 32px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.blog-highlight-box ul,
.blog-highlight-box ol {
  margin: 12px 0 0 20px;
}

.blog-highlight-box li {
  margin-bottom: 8px;
}

.blog-table-wrapper {
  overflow-x: auto;
  margin: 32px 0;
  -webkit-overflow-scrolling: touch;
}

.blog-market-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-sm);
  overflow: hidden;
  min-width: 500px;
}

.blog-market-table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 14px 16px;
  text-align: left;
}

.blog-market-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.blog-market-table tbody tr:hover {
  background: rgba(43, 155, 142, 0.04);
}

.blog-cta-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  padding: 24px;
  margin-top: 48px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

@media (max-width: 768px) {
  .blog-article-header h1 {
    font-size: 1.6rem;
  }
  .blog-article-body {
    font-size: 0.98rem;
  }
}

/* ============================================================
   FORM SUCCESS MESSAGE
   ============================================================ */
.form-success {
  display: none;
  text-align: center;
  padding: 48px 24px;
}

.form-success.show {
  display: block;
}

.form-success .check-icon {
  width: 64px;
  height: 64px;
  background: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.75rem;
  color: var(--color-white);
}

.form-success h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.form-success p {
  font-size: 1rem;
  color: var(--color-text-light);
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

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

.breadcrumbs a:hover {
  color: var(--color-accent);
}

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

.breadcrumbs .current {
  color: var(--color-text);
  font-weight: 600;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-image {
    display: none;
  }

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

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

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

  .product-detail-header {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .b2b-benefits {
    grid-template-columns: 1fr 1fr;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 1.5rem;
  }

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

  .section-subtitle {
    font-size: 1rem;
    margin-bottom: 32px;
  }

  /* Navigation */
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 1rem;
  }

  .nav-links .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
    margin-top: 8px;
  }

  .nav-toggle {
    display: flex;
  }

  /* Mobile dropdown */
  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown-btn {
    width: 100%;
    text-align: left;
    padding: 12px 0;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: all;
    box-shadow: none;
    border: none;
    padding: 0 0 8px 16px;
    min-width: auto;
    display: none;
  }

  .nav-dropdown-menu.open {
    display: block;
  }

  .nav-dropdown-menu a {
    padding: 8px 12px;
    border-bottom: none;
  }

  /* Hero */
  .hero {
    padding: calc(var(--nav-height) + 40px) 0 48px;
  }

  .hero-content h1 {
    font-size: 1.75rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 32px;
  }

  .hero-stat-number {
    font-size: 1.5rem;
  }

  /* Products */
  .products-grid {
    grid-template-columns: 1fr;
  }

  .product-card-image {
    height: 180px;
  }

  /* Why us */
  .why-grid {
    grid-template-columns: 1fr;
  }

  .why-card {
    padding: 28px 20px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* Product detail */
  .product-detail-info h1 {
    font-size: 1.75rem;
  }

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

  .b2b-benefits {
    grid-template-columns: 1fr;
  }

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

  .blog-card-image {
    height: 140px;
  }

  .blog-subscribe {
    flex-direction: column;
  }

  .specs-table {
    font-size: 0.85rem;
  }

  .specs-table th,
  .specs-table td {
    padding: 10px 12px;
  }

  .product-detail-cta {
    padding: 32px 20px;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-form {
    padding: 24px;
  }

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

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  /* CTA */
  .cta-section h2 {
    font-size: 1.5rem;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.5rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus visible */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 8px 16px;
  z-index: 10000;
  font-weight: 600;
}

.skip-link:focus {
  top: 0;
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  .nav,
  .nav-toggle,
  .hero-actions,
  .cta-section,
  .product-detail-cta {
    display: none !important;
  }

  body {
    font-size: 12pt;
  }

  .hero {
    padding: 20px 0;
    color: var(--color-text);
    background: none;
  }

  .section-dark {
    background: none;
    color: var(--color-text);
  }
}