/* =============================================
   ISTYLE POWER v5 — INNERGIE.com/eu Style
   Pure white background, minimal hero, light cards
   Multi-language with RTL support
   ============================================= */
:root {
  --white: #FFFFFF;
  --bg-light: #F8F9FA;
  --text: #1B2A4A;
  --text-body: #4A5568;
  --text-light: #6C757D;
  --text-muted: #A0AEC0;
  --blue: #1B2A4A;
  --blue-dark: #0F1B33;
  --accent: #0052FF;
  --accent-hover: #003ECC;
  --accent-light: rgba(0,82,255,0.08);
  --gray-50: #F8F9FA;
  --gray-100: #F1F3F5;
  --gray-200: #E9ECEF;
  --gray-300: #D0D5DD;
  --gray-400: #98A2B3;
  --gray-500: #6C757D;
  --gray-600: #4A5568;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --radius: 10px;
  --radius-lg: 14px;
  --transition: 0.2s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --container: 1140px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.bg-light { background: var(--gray-100); }
.section-divider {
  height: 1px;
  background: var(--gray-200);
  width: 100%;
}

/* Section Header — innergie: centered, thin */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

/* Buttons — innergie: blue outline with arrow, or filled */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  line-height: 1.2;
  white-space: nowrap;
}
.btn-lg { padding: 14px 34px; font-size: 0.95rem; }
.btn-outline-blue {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 50px;
}
.btn-outline-blue:hover {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(0,82,255,0.2);
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-radius: 50px;
  box-shadow: 0 4px 14px rgba(0,82,255,0.25);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,82,255,0.3);
}
.btn-block { width: 100%; justify-content: center; }

/* ============= NAVBAR (fixed white) ============= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  height: 64px;
  display: flex;
  align-items: center;
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 40px;
}
.nav-left { display: flex; align-items: center; gap: 48px; }
.nav-left .nav-menu { gap: 32px; }
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}
.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.85rem;
}
.logo-accent { color: var(--accent); }
.logo-img { height: 32px; width: auto; display: block; }
.nav-right { display: flex; align-items: center; gap: 24px; }
.nav-menu { display: flex; align-items: center; gap: 36px; margin-left: 20px; }
.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-500);
  transition: var(--transition);
  padding: 4px 0;
  position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-toggle { display: none; background: none; border: none; font-size: 1.3rem; color: var(--text); cursor: pointer; padding: 4px; }
.btn-nav-wa { background: #25D366; color: white; width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1rem; transition: var(--transition); }
.btn-nav-wa:hover { background: #1DA851; transform: translateY(-1px); }

/* Language Switcher */
.lang-switcher { position: relative; }
.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  padding: 6px 12px;
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  transition: var(--transition);
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }
.lang-btn .fa-chevron-down { font-size: 0.6rem; }
.lang-flag { display: inline-flex; line-height: 0; vertical-align: middle; }
.lang-flag img { border-radius: 2px; }
.lang-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  z-index: 100;
  min-width: 120px;
  padding: 4px 0;
}
.lang-dropdown.open { display: block; }
.lang-option {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.82rem;
  color: var(--gray-500);
  transition: var(--transition);
}
.lang-option:hover { background: var(--gray-100); color: var(--accent); }
.lang-option.active { color: var(--accent); font-weight: 600; }

/* ============= WHITE HERO (INNERGIE style) ============= */
.hero-white {
  padding: 140px 0 80px;
  background: var(--white);
  margin-top: 64px;
  text-align: center;
}
.hero-white-content {
  max-width: 700px;
  margin: 0 auto;
}
.hero-products {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}
.hero-product-icon {
  width: 100px;
  height: 100px;
  background: var(--gray-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  transition: var(--transition);
}
.hero-product-icon:hover {
  background: var(--accent-light);
  transform: translateY(-4px);
}
.hero-prod-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.hero-white-title {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.hero-white-subtitle {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}
.hero-white-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============= PAGE HERO (dark bg for subpages) ============= */
.page-hero {
  background: var(--blue);
  padding: 120px 0 64px;
  text-align: center;
  margin-top: 64px;
}
.page-hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
}
.page-hero .hero-sub {
  color: rgba(255,255,255,0.5);
  font-size: 1rem;
  margin-top: 8px;
}
.page-hero-sm { padding: 100px 0 48px; }
.page-hero-sm h1 { font-size: 2.2rem; }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.4); font-size: 0.85rem; margin-bottom: 14px; transition: var(--transition); }
.back-link:hover { color: var(--white); }

/* ============= TAB NAV (innergie: underline style) ============= */
.tab-nav {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--gray-200);
}
.tab-btn {
  background: none;
  border: none;
  padding: 12px 24px;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--text); font-weight: 600; }
.tab-btn.active::after { transform: scaleX(1); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ============= PRODUCT GRID & CARDS (innergie: centered minimal) ============= */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
  transform: translateY(-3px);
}
.product-card-img {
  width: 100px;
  height: 100px;
  background: var(--gray-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  margin-bottom: 20px;
  transition: var(--transition);
}
.product-card:hover .product-card-img {
  background: var(--accent-light);
}
.product-img-svg { width: 100%; height: 100%; object-fit: contain; }
.product-card-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.product-card-wattage {
  font-size: 0.88rem;
  color: var(--gray-500);
  margin-bottom: 10px;
}
.product-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.product-specs-list {
  text-align: left;
  width: 100%;
  margin-bottom: 16px;
}
.product-specs-list li {
  font-size: 0.82rem;
  color: var(--gray-500);
  padding: 5px 0;
  border-bottom: 1px solid var(--gray-100);
}
.product-specs-list li:last-child { border: none; }
.product-specs-list li strong { color: var(--text); font-weight: 600; }
.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
  margin-top: auto;
}
.product-card-link:hover { gap: 10px; }

/* ============= TWO COL SECTION (One Factory) ============= */
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.two-col-text .section-tag { margin-bottom: 8px; }
.two-col-text h2 {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
  color: var(--text);
}
.two-col-text p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}
.checklist { margin-bottom: 28px; }
.checklist li {
  font-size: 0.9rem;
  color: var(--gray-600);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.checklist li i { color: #10B981; font-size: 0.85rem; }
.two-col-visual { text-align: center; }
.visual-icon-box {
  width: 120px;
  height: 120px;
  background: var(--accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--accent);
  margin: 0 auto 24px;
  position: relative;
}
.visual-tag {
  position: absolute;
  bottom: -8px;
  right: -8px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
}
.visual-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 320px;
  margin: 0 auto;
}
.visual-mini-card {
  padding: 16px 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}
.visual-mini-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.visual-mini-card i { font-size: 1.4rem; color: var(--accent); display: block; margin-bottom: 6px; }
.visual-mini-card span { font-size: 0.78rem; color: var(--gray-500); }

/* ============= TRUST SECTION ============= */
.trust-section {
  padding: 70px 0;
  background: var(--white);
}
.trust-content { text-align: center; max-width: 680px; margin: 0 auto; }
.trust-icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 16px;
}
.trust-content h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.trust-content p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 28px;
}
.trust-logos {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-logos div { text-align: center; }
.trust-logos strong {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
  display: block;
  margin-bottom: 2px;
}
.trust-logos span {
  color: var(--gray-400);
  font-size: 0.85rem;
}

/* ============= REVIEWS ============= */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.review-card {
  padding: 32px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: var(--transition);
}
.review-card:hover { box-shadow: var(--shadow-md); }
.review-stars { color: #F59E0B; font-size: 1rem; letter-spacing: 2px; margin-bottom: 14px; }
.review-card blockquote {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 18px;
}
.review-author strong { display: block; font-size: 0.88rem; color: var(--text); }
.review-author span { font-size: 0.78rem; color: var(--gray-400); }

/* ============= CERTIFICATIONS ============= */
.certs-grid {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.cert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--white);
  transition: var(--transition);
}
.cert-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.cert-item i { font-size: 1.4rem; color: var(--accent); }
.cert-item span { font-weight: 700; font-size: 0.95rem; color: var(--text); }

/* ============= B2B CTA ============= */
.b2b-cta {
  padding: 80px 0;
  background: var(--gray-50);
}
.b2b-content { text-align: center; }
.b2b-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.b2b-content p {
  color: var(--gray-500);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

/* ============= STATS BAR ============= */
.stats-bar {
  background: var(--blue);
  padding: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-num { display: block; font-size: 2rem; font-weight: 800; color: var(--white); letter-spacing: -0.5px; }
.stat-unit { font-size: 1rem; font-weight: 700; color: var(--accent); vertical-align: super; margin-left: 2px; }
.stat-label { display: block; font-size: 0.85rem; color: rgba(255,255,255,0.4); margin-top: 2px; }

/* ============= DETAIL PAGE ============= */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}
.detail-visual { position: sticky; top: 88px; }
.detail-img-box {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  margin-bottom: 16px;
}
.detail-img-svg { width: 100%; height: 100%; object-fit: contain; }
.detail-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.detail-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}
.detail-meta-item {
  padding: 12px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 10px;
}
.detail-meta-item i { font-size: 1.1rem; color: var(--accent); width: 24px; text-align: center; }
.detail-meta-item strong { display: block; font-size: 0.7rem; color: var(--gray-500); font-weight: 600; }
.detail-meta-item span { font-size: 0.82rem; font-weight: 600; }
.detail-name { font-size: 1.6rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.detail-category { font-size: 0.82rem; color: var(--accent); font-weight: 600; display: block; margin-bottom: 24px; }
.detail-block { margin-bottom: 28px; }
.detail-block h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}
.detail-features li {
  padding: 7px 0;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--gray-100);
}
.detail-features li i { color: #10B981; }
.detail-specs { width: 100%; border-collapse: collapse; }
.detail-specs td { padding: 8px 12px; border-bottom: 1px solid var(--gray-100); font-size: 0.87rem; }
.spec-key { font-weight: 600; color: var(--gray-600); width: 35%; background: var(--gray-50); border-radius: 4px 0 0 4px; }
.detail-note { background: var(--accent-light); border-radius: var(--radius); padding: 24px; }
.detail-note p { font-size: 0.88rem; color: var(--gray-600); line-height: 1.7; }
.related-products { padding: 60px 0; background: var(--white); }
.related-products h3 { text-align: center; font-size: 1.3rem; margin-bottom: 28px; color: var(--text); }
.rp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 640px; margin: 0 auto; }
.rp-card {
  text-align: center;
  padding: 24px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: var(--transition);
}
.rp-card:hover { box-shadow: var(--shadow); border-color: var(--accent); }
.rp-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 8px;
  padding: 12px;
}
.rp-img-svg { width: 100%; height: 100%; object-fit: contain; }
.rp-card strong { display: block; font-size: 0.9rem; font-weight: 600; color: var(--text); }
.rp-card span { font-size: 0.75rem; color: var(--gray-400); }

/* ============= ABOUT ============= */
.about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.about-text h2 { font-size: 1.5rem; color: var(--text); margin-bottom: 16px; }
.about-text p { color: var(--gray-600); margin-bottom: 12px; line-height: 1.8; font-size: 0.95rem; }
.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.about-highlight {
  padding: 24px 16px;
  text-align: center;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: var(--transition);
}
.about-highlight:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.about-highlight i { font-size: 2rem; color: var(--accent); display: block; margin-bottom: 8px; }
.about-highlight span { font-weight: 600; font-size: 0.88rem; color: var(--text); }

.advantages-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.advantage-card { padding: 28px; border: 1px solid var(--gray-200); border-radius: var(--radius); transition: var(--transition); }
.advantage-card:hover { box-shadow: var(--shadow-md); border-color: transparent; }
.advantage-icon { width: 44px; height: 44px; background: var(--accent-light); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 1.1rem; margin-bottom: 14px; }
.advantage-card h3 { font-size: 1rem; margin-bottom: 8px; color: var(--text); }
.advantage-card p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.65; }

.coop-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.coop-card { padding: 36px 28px; text-align: center; border: 1px solid var(--gray-200); border-radius: var(--radius); transition: var(--transition); }
.coop-card:hover { box-shadow: var(--shadow-md); border-color: transparent; }
.coop-icon { font-size: 2.2rem; color: var(--accent); margin-bottom: 16px; }
.coop-card h3 { font-size: 1.05rem; color: var(--text); margin-bottom: 8px; }
.coop-card p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.65; }

/* ============= FACTORY ============= */
.factory-intro { max-width: 720px; margin: 0 auto; text-align: center; }
.factory-intro h2 { font-size: 1.5rem; color: var(--text); margin-bottom: 16px; }
.factory-intro p { color: var(--gray-600); margin-bottom: 12px; line-height: 1.8; font-size: 0.95rem; }
.qc-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.qc-card { padding: 24px; border: 1px solid var(--gray-200); border-radius: var(--radius); transition: var(--transition); }
.qc-card:hover { box-shadow: var(--shadow-md); }
.qc-num { font-size: 1.8rem; font-weight: 800; color: var(--accent); opacity: 0.2; margin-bottom: 6px; line-height: 1; }
.qc-card h3 { font-size: 0.95rem; color: var(--text); margin-bottom: 6px; }
.qc-card p { font-size: 0.82rem; color: var(--gray-500); line-height: 1.6; }
.gallery-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.gallery-item { padding: 36px 16px; text-align: center; border: 2px dashed var(--gray-200); border-radius: var(--radius); transition: var(--transition); }
.gallery-item:hover { border-color: var(--accent); background: var(--gray-50); }
.gallery-item i { font-size: 1.8rem; display: block; margin-bottom: 8px; color: var(--gray-400); }
.gallery-item span { display: block; font-weight: 600; color: var(--text); }
.gallery-item p { font-size: 0.8rem; color: var(--gray-400); margin-top: 4px; }
.gallery-note { text-align: center; margin-top: 16px; font-size: 0.85rem; color: var(--gray-400); }

/* ============= CONTACT ============= */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; align-items: start; }
.contact-cards { display: flex; flex-direction: column; gap: 14px; }
.contact-card { padding: 24px; border: 1px solid var(--gray-200); border-radius: var(--radius); transition: var(--transition); }
.contact-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.contact-card i { font-size: 1.3rem; color: var(--accent); margin-bottom: 8px; display: block; }
.contact-card h3 { font-size: 0.82rem; color: var(--gray-500); margin-bottom: 2px; font-weight: 600; }
.contact-card a { color: var(--text); font-weight: 600; font-size: 0.92rem; }
.contact-card p { font-size: 0.82rem; color: var(--gray-500); margin-top: 4px; }
.contact-social { display: flex; gap: 8px; }
.contact-social a { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--gray-200); display: flex; align-items: center; justify-content: center; color: var(--gray-500); font-size: 0.85rem; transition: var(--transition); }
.contact-social a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-light); }
.contact-form-wrap { background: var(--white); padding: 36px; border: 1px solid var(--gray-200); border-radius: var(--radius-lg); }
.contact-form-wrap h3 { font-size: 1.2rem; color: var(--text); margin-bottom: 4px; }
.contact-form-wrap > p { font-size: 0.85rem; color: var(--gray-400); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.contact-form-wrap input, .contact-form-wrap textarea, .contact-form-wrap select {
  width: 100%; padding: 12px 14px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.88rem;
  transition: var(--transition);
  background: var(--white);
  outline: none;
  color: var(--text);
}
.contact-form-wrap input:focus, .contact-form-wrap textarea:focus, .contact-form-wrap select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.contact-form-wrap textarea { resize: vertical; min-height: 120px; }
.btn-submit { margin-top: 12px; padding: 14px; font-size: 0.95rem; }

/* ============= NEWS ============= */
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; max-width: 960px; margin: 0 auto; }
.news-card {
  padding: 28px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  display: block;
  color: inherit;
}
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: transparent; }
.news-meta { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; }
.news-date { font-size: 0.8rem; color: var(--gray-400); }
.news-tag { background: var(--accent-light); color: var(--accent); font-size: 0.65rem; font-weight: 700; padding: 2px 8px; border-radius: 4px; text-transform: uppercase; }
.news-card h3 { font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 10px; line-height: 1.4; }
.news-card p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.65; }
.news-link { color: var(--accent); font-weight: 600; font-size: 0.82rem; display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; transition: var(--transition); }
.news-card:hover .news-link { gap: 10px; }
.news-article-wrap { max-width: 700px; margin: 0 auto; }
.news-article p { margin-bottom: 16px; font-size: 0.95rem; line-height: 1.9; color: var(--text); }
.news-tags { margin-top: 28px; display: flex; gap: 6px; flex-wrap: wrap; }
.news-tag-sm { background: var(--gray-100); padding: 3px 10px; border-radius: 20px; font-size: 0.78rem; color: var(--gray-600); }
.news-cta-card { margin-top: 40px; padding: 32px; background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius); text-align: center; }
.news-cta-card h3 { font-size: 1.1rem; color: var(--text); margin-bottom: 4px; }
.news-cta-card p { color: var(--gray-500); margin-bottom: 16px; font-size: 0.88rem; }

/* ============= PRIVACY ============= */
.policy-content { max-width: 700px; margin: 0 auto; }
.policy-content h2 { font-size: 1.2rem; color: var(--text); margin: 28px 0 12px; }
.policy-content h2:first-child { margin-top: 0; }
.policy-content p { color: var(--gray-600); line-height: 1.8; font-size: 0.92rem; }

/* ============= FOOTER (dark, 4 columns) ============= */
.footer {
  background: #141414;
  color: rgba(255,255,255,0.5);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-logo i { color: var(--accent); }
.footer-desc { font-size: 0.82rem; line-height: 1.7; color: rgba(255,255,255,0.35); max-width: 300px; }
.footer-col h4 { color: rgba(255,255,255,0.7); font-size: 0.85rem; font-weight: 600; margin-bottom: 16px; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { font-size: 0.82rem; color: rgba(255,255,255,0.35); transition: var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-contact-list li { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: rgba(255,255,255,0.35); margin-bottom: 8px; }
.footer-contact-list i { width: 16px; text-align: center; color: var(--accent); }
.footer-social { display: flex; gap: 8px; margin-top: 14px; }
.footer-social a { width: 34px; height: 34px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.3); transition: var(--transition); }
.footer-social a:hover { border-color: var(--accent); color: var(--accent); background: rgba(0,82,255,0.1); }
.footer-bottom { padding: 20px 0; text-align: center; }
.footer-certs { display: flex; gap: 8px; justify-content: center; margin-bottom: 10px; }
.footer-certs span { padding: 2px 10px; border: 1px solid rgba(255,255,255,0.08); border-radius: 4px; font-size: 0.7rem; font-weight: 600; color: rgba(255,255,255,0.3); }
.footer-bottom p { font-size: 0.78rem; color: rgba(255,255,255,0.15); }

/* ============= RESPONSIVE ============= */
@media (max-width: 1024px) {
  .detail-layout { grid-template-columns: 1fr; gap: 32px; }
  .detail-visual { position: static; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-highlights { max-width: 400px; margin: 0 auto; }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .qc-grid { grid-template-columns: repeat(2,1fr); }
  .advantages-grid { grid-template-columns: repeat(2,1fr); }
  .two-col-grid { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 1.8rem; }
  .hero-white { padding: 120px 0 60px; }
  .hero-white-title { font-size: 1.8rem; }
  .hero-products { gap: 12px; }
  .hero-product-icon { width: 60px; height: 60px; padding: 12px; }
  .page-hero { padding: 100px 0 48px; }
  .page-hero h1 { font-size: 2rem; }
  .page-hero-sm h1 { font-size: 1.6rem; }
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 24px;
    gap: 0;
    transform: translateY(-120%);
    transition: 0.3s ease;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  }
  .nav-menu.active { transform: translateY(0); }
  .nav-menu .nav-link { padding: 12px 0; width: 100%; }
  .nav-toggle { display: block; }
  .tab-nav { gap: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; justify-content: flex-start; }
  .tab-btn { padding: 10px 16px; font-size: 0.82rem; white-space: nowrap; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-form-wrap { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 20px; }
  .reviews-grid { grid-template-columns: 1fr; }
  .qc-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .coop-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2,1fr); }
  .two-col-grid { grid-template-columns: 1fr; gap: 32px; }
  .two-col-text h2 { font-size: 1.6rem; }
  .rp-grid { grid-template-columns: repeat(2,1fr); }
  .about-highlights { max-width: 300px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .news-grid { grid-template-columns: 1fr; }
  .news-article-wrap { padding: 0; }
  .detail-meta-grid { grid-template-columns: 1fr; }
  .trust-logos { flex-direction: column; gap: 18px; align-items: center; }
  .certs-grid { gap: 16px; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section-title { font-size: 1.5rem; }
  .hero-white-title { font-size: 1.5rem; }
  .stats-grid { gap: 12px; }
  .product-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .rp-grid { grid-template-columns: 1fr; }
  .footer-grid { gap: 24px; }
  .cert-item { width: 100%; justify-content: center; }
  .about-highlights { grid-template-columns: 1fr 1fr; }
}


/* ====== Timeline Section ====== */
.timeline-section {
    background: var(--bg-light, #f8fafc);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary, #1a56db), var(--accent, #6366f1));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    width: 100%;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary, #1a56db);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    padding: 6px 16px;
    border-radius: 20px;
    z-index: 2;
    white-space: nowrap;
}

.timeline-content {
    width: 42%;
    background: #fff;
    border-radius: 12px;
    padding: 20px 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid #eef2f6;
    margin-top: 44px;
}

.timeline-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 6px;
    color: var(--primary, #1a56db);
}

.timeline-content p {
    font-size: 0.88rem;
    color: #555;
    margin: 0;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .timeline::before { left: 20px; }
    .timeline-item,
    .timeline-item:nth-child(even) { flex-direction: column; padding-left: 50px; }
    .timeline-year { left: 20px; transform: translateX(-50%); }
    .timeline-content { width: 100%; margin-top: 36px; }
}