/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Poppins', sans-serif;
  font-size: 16px;
  line-height: 1.2;
  color: #000;
  background: #fbfbfb;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1366px; margin: 0 auto; padding: 0 1.5rem; }

/* ========== HEADER ========== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}
.site-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 90px;
}
.logo img { height: 60px; width: auto; }
.main-nav ul {
  list-style: none; display: flex; align-items: center; gap: 0;
}
.main-nav ul li { position: relative; }
.main-nav ul li a {
  display: flex; align-items: center;
  padding: 0 1.2rem;
  height: 90px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 17px;
  font-weight: 500;
  text-transform: uppercase;
  color: #000;
  letter-spacing: 0.5px;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
}
.main-nav ul li a:hover,
.main-nav ul li a.active {
  color: #ee1d23;
  border-bottom-color: #ee1d23;
}
.main-nav .has-dropdown > a::after {
  content: '▾'; margin-left: 4px; font-size: 12px;
}
.dropdown {
  display: none;
  position: absolute; top: 100%; left: 0;
  background: #fff; min-width: 220px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  padding: 0.5rem 0;
  z-index: 999;
  border-top: 3px solid #ee1d23;
}
.main-nav ul li:hover .dropdown { display: block; }
.dropdown li { display: block; }
.dropdown li a {
  padding: 0.6rem 1.5rem;
  height: auto;
  font-size: 14px;
  text-transform: none;
  border-bottom: none;
  color: #333;
}
.dropdown li a:hover { background: #f5f5f5; color: #ee1d23; border: none; }
.dropdown .sub-dropdown {
  display: none;
  position: absolute; top: 0; left: 100%;
  background: #fff; min-width: 200px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  border-top: 3px solid #ee1d23;
}
.dropdown li:hover > .sub-dropdown { display: block; }

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none; border: none;
  font-size: 28px; cursor: pointer; color: #000;
  padding: 10px;
}

/* ========== HERO SECTION ========== */
.hero-section {
  margin-top: 90px;
  position: relative;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  min-height: 550px;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: url('https://www.pix-link.com/wp-content/uploads/2025/03/%E4%B8%AD%E7%BB%A7%E5%99%A81200-1200-2-edited.jpg') center/cover no-repeat;
  opacity: 0.15;
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center; padding: 4rem 1.5rem;
  max-width: 800px; margin: 0 auto;
}
.hero-content h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 48px; font-weight: 600;
  color: #fff; margin-bottom: 1rem;
  text-transform: uppercase;
}
.hero-content p {
  font-size: 18px; color: #ddd;
  margin-bottom: 2rem; line-height: 1.6;
}
.btn-primary {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 18px; font-weight: 500;
  background: #ee1d23; color: #fff;
  padding: 12px 38px; border-radius: 5px;
  border: none; cursor: pointer;
  text-transform: uppercase;
  transition: background 0.3s;
}
.btn-primary:hover { background: #f83903; }
.btn-outline {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 16px; font-weight: 500;
  color: #fff; border: 2px solid #fff;
  padding: 10px 30px; border-radius: 5px;
  transition: all 0.3s; margin-left: 10px;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }

/* ========== CATEGORY TABS ========== */
.category-tabs {
  background: #fff; padding: 3rem 0;
  text-align: center;
  border-bottom: 1px solid #eee;
}
.tab-nav { display: flex; justify-content: center; gap: 0; margin-bottom: 2rem; }
.tab-btn {
  padding: 10px 30px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 18px; font-weight: 500;
  text-transform: uppercase;
  border: none; background: none;
  cursor: pointer; color: #666;
  border-bottom: 3px solid transparent;
  transition: all 0.3s;
}
.tab-btn.active, .tab-btn:hover { color: #ee1d23; border-bottom-color: #ee1d23; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  padding: 0 0 2rem;
}
.product-card {
  background: #f9f9f9; border-radius: 8px;
  padding: 1.5rem; text-align: center;
  transition: all 0.3s;
  border: 1px solid #eee;
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.product-card img {
  width: 200px; height: 200px;
  object-fit: contain; margin: 0 auto 1rem;
}
.product-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 18px; font-weight: 500;
  color: #333;
}
.view-all-link {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 16px; font-weight: 500;
  color: #ee1d23; text-transform: uppercase;
  border-bottom: 2px solid #ee1d23;
  padding-bottom: 2px;
}

/* ========== ABOUT SECTION ========== */
.about-section {
  padding: 5rem 0;
  background: #fff;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.about-text h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 36px; font-weight: 600;
  color: #000; margin-bottom: 0.5rem;
}
.about-text .subtitle {
  font-size: 14px; color: #ee1d23;
  text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 1rem;
}
.about-text p {
  color: #504a40; line-height: 1.8;
  margin-bottom: 1.5rem;
}
.about-image img { border-radius: 8px; width: 100%; }

/* Stats Row */
.stats-row {
  display: flex; justify-content: center; gap: 3rem;
  padding: 3rem 0;
  background: #f5f5f5;
  text-align: center;
}
.stat-item h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 36px; font-weight: 600;
  color: #ee1d23;
}
.stat-item p { font-size: 14px; color: #666; text-transform: uppercase; }

/* ========== CERTIFICATIONS ========== */
.cert-section {
  padding: 4rem 0;
  background: #fff;
  text-align: center;
}
.cert-section h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 32px; font-weight: 600;
  margin-bottom: 0.5rem;
}
.cert-section .subtitle {
  color: #666; margin-bottom: 2rem;
  font-size: 14px; letter-spacing: 1px; text-transform: uppercase;
}
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  max-width: 900px; margin: 0 auto;
}
.cert-item { padding: 1rem; }
.cert-item img { width: 100%; height: 140px; object-fit: contain; }

/* ========== CLIENTS ========== */
.clients-section {
  padding: 3rem 0;
  background: #fbfbfb;
  text-align: center;
}
.clients-section h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 28px; font-weight: 500;
  margin-bottom: 2rem;
}
.client-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  max-width: 1000px; margin: 0 auto;
}
.client-logos img {
  width: 140px; height: auto;
  filter: grayscale(1); opacity: 0.7;
  transition: all 0.3s;
}
.client-logos img:hover {
  filter: grayscale(0); opacity: 1;
}

/* ========== FEATURES ========== */
.features-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  color: #fff;
  text-align: center;
}
.features-section h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 32px; font-weight: 600;
  margin-bottom: 3rem;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 1100px; margin: 0 auto;
}
.feature-item { padding: 1.5rem; }
.feature-item .icon { font-size: 40px; margin-bottom: 1rem; }
.feature-item h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 22px; font-weight: 500;
  margin-bottom: 0.5rem;
}
.feature-item p { font-size: 14px; color: #aaa; line-height: 1.6; }

/* ========== CTA ========== */
.cta-section {
  padding: 4rem 0;
  background: #ee1d23;
  color: #fff;
  text-align: center;
}
.cta-section h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 36px; font-weight: 600;
  margin-bottom: 0.5rem;
}
.cta-section p { margin-bottom: 2rem; font-size: 18px; }
.cta-section .btn-outline {
  border-color: #fff; color: #fff;
  font-size: 18px; padding: 12px 38px;
}
.cta-section .btn-outline:hover { background: rgba(255,255,255,0.15); }

/* ========== FOOTER ========== */
.site-footer {
  background: #222;
  color: #ccc;
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2rem;
}
.footer-col h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 18px; font-weight: 600;
  color: #fff; margin-bottom: 1.5rem;
  text-transform: uppercase;
}
.footer-col p { font-size: 14px; line-height: 1.8; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a {
  font-size: 14px; color: #bbb;
  transition: color 0.3s;
}
.footer-col ul li a:hover { color: #ee1d23; }
.footer-contact li {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 0.8rem;
  font-size: 14px;
}
.footer-contact .icon { font-size: 18px; min-width: 24px; }
.footer-social {
  display: flex; gap: 1rem; margin-top: 1rem;
}
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: #ccc; font-size: 18px;
  transition: all 0.3s;
}
.footer-social a:hover { background: #ee1d23; color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem 0;
  margin-top: 3rem;
  text-align: center;
  font-size: 13px; color: #888;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 36px; }
}
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .main-nav { 
    display: none;
    position: absolute; top: 90px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid #eee;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; }
  .main-nav ul li a {
    height: auto; padding: 1rem 1.5rem;
    border-bottom: 1px solid #eee;
  }
  .main-nav ul li a.active { border-bottom-color: #ee1d23; border-bottom-width: 3px; }
  .dropdown { position: static; box-shadow: none; border-top: none; }
  .dropdown .sub-dropdown { position: static; box-shadow: none; }
  
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-row { flex-wrap: wrap; gap: 1.5rem; }
  .hero-content h1 { font-size: 28px; }
  .tab-nav { flex-wrap: wrap; }
  .hero-section { min-height: 400px; }
}
@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
}