/* ===== PCCC Thái Tuấn — Main Stylesheet ===== */
/* Mobile-first: 375px → 768px → 1200px+ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --red: #C41E3A;
  --red-dark: #a01830;
  --ink: #0B0B0B;
  --paper: #FFFFFF;
  --cream: #F5F2EC;
  --gray-100: #f8f7f5;
  --gray-200: #e8e5de;
  --gray-300: #d9d6cf;
  --gray-400: #999;
  --gray-500: #666;
  --gray-600: #444;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --max-width: 1200px;
  --header-height: 64px;
  --sticky-bar-height: 56px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  padding-bottom: var(--sticky-bar-height); /* space for sticky bar on mobile */
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--red); text-decoration: none; transition: color .15s; }
a:hover { color: var(--red-dark); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 16px; }

/* ---------- Utility ---------- */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.section-padding { padding: 48px 0; }
.text-center { text-align: center; }
.text-red { color: var(--red); }
.bg-cream { background: var(--cream); }
.bg-ink { background: var(--ink); color: var(--paper); }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 { font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
h1 { font-size: 28px; font-weight: 900; }
h2 { font-size: 24px; }
h3 { font-size: 20px; }
h4 { font-size: 18px; }
.label-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gray-500);
}
.label-red {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--red);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-weight: 700;
  font-size: 15px;
  border-radius: 2px;
  transition: background .15s, transform .1s;
  min-height: 48px;
  text-align: center;
}
.btn:active { transform: scale(0.98); }
.btn-red {
  background: var(--red);
  color: var(--paper);
}
.btn-red:hover { background: var(--red-dark); color: var(--paper); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-white {
  background: var(--paper);
  color: var(--red);
}
.btn-white:hover { background: var(--cream); color: var(--red); }
.btn-block { display: flex; width: 100%; }
.btn-icon { font-size: 18px; }

/* ---------- HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--gray-200);
  height: var(--header-height);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}
.logo-mark {
  background: var(--red);
  color: var(--paper);
  font-weight: 900;
  font-size: 20px;
  padding: 6px 8px;
  line-height: 1;
  letter-spacing: -0.01em;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-text span {
  font-weight: 900;
  font-size: 16px;
  letter-spacing: -0.01em;
  display: block;
}

/* Desktop nav — hidden on mobile */
.main-nav { display: none; }
.main-nav ul { display: flex; gap: 24px; }
.main-nav a {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gray-600);
  padding: 8px 0;
  position: relative;
  transition: color .15s;
}
.main-nav a:hover,
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a {
  color: var(--red);
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform .2s;
}
.main-nav a:hover::after,
.main-nav .current-menu-item > a::after { transform: scaleX(1); }

/* Header CTA — hidden on mobile */
.header-cta { display: none; }

/* Hamburger */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  width: 40px;
  height: 40px;
  justify-content: center;
  align-items: center;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform .2s, opacity .2s;
}
.menu-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-active span:nth-child(2) { opacity: 0; }
.menu-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background: var(--paper);
  z-index: 99;
  display: flex;
  flex-direction: column;
  padding: 24px 16px 120px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .3s ease;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu ul { display: flex; flex-direction: column; gap: 0; }
.mobile-menu li { border-bottom: 1px solid var(--gray-200); }
.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
}
.mobile-menu a:hover { color: var(--red); }
.mobile-menu-cta {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mobile-menu-contact {
  margin-top: 24px;
  padding: 20px;
  background: var(--cream);
  border-radius: 4px;
}
.mobile-menu-contact p {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 4px;
}
.mobile-menu-contact a {
  font-weight: 700;
  font-size: 18px;
  color: var(--red);
}

/* ---------- STICKY BOTTOM BAR (Mobile) ---------- */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--paper);
  border-top: 2px solid var(--ink);
  box-shadow: 0 -2px 12px rgba(0,0,0,.08);
  display: flex;
  height: var(--sticky-bar-height);
}
.sticky-bar a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  min-height: 48px;
  transition: opacity .15s;
}
.sticky-bar a:hover { opacity: .9; }
.sticky-bar .bar-call {
  background: var(--red);
  color: var(--paper);
}
.sticky-bar .bar-zalo {
  background: var(--paper);
  color: var(--ink);
  border-left: 1px solid var(--gray-200);
}
.sticky-bar .bar-icon {
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  flex-shrink: 0;
}

/* ---------- HERO SECTION ---------- */
.hero {
  background: var(--cream);
  padding: 40px 0 48px;
}
.hero-content { max-width: 600px; }
.hero .label-red { margin-bottom: 12px; }
.hero h1 {
  font-size: 28px;
  margin-bottom: 16px;
  line-height: 1.15;
}
.hero p {
  font-size: 16px;
  color: var(--gray-600);
  margin-bottom: 24px;
  line-height: 1.6;
}
.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---------- STATS ---------- */
.stats {
  padding: 32px 0;
  background: var(--paper);
  border-top: 3px solid var(--red);
  border-bottom: 1px solid var(--gray-200);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  text-align: center;
}
.stat-item {
  padding: 12px 8px;
}
.stat-number {
  font-size: 32px;
  font-weight: 900;
  color: var(--red);
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-label {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 6px;
  font-family: var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ---------- CATEGORY GRID ---------- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.category-card {
  background: var(--cream);
  padding: 20px 16px;
  text-align: center;
  border-radius: 2px;
  transition: box-shadow .2s, transform .15s;
}
.category-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
  transform: translateY(-2px);
}
.category-icon {
  font-size: 32px;
  margin-bottom: 8px;
}
.category-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- PRODUCT CARD ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.product-card {
  background: var(--paper);
  border: 1px solid var(--gray-200);
  border-radius: 2px;
  overflow: hidden;
  transition: box-shadow .2s, transform .15s;
}
.product-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
  transform: translateY(-2px);
}
.product-card-img {
  aspect-ratio: 1;
  background: var(--cream);
  overflow: hidden;
}
.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-card-body { padding: 12px; }
.product-card-body h3 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--ink);
  line-height: 1.3;
}
.product-card-sku {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gray-400);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.product-card-price {
  font-weight: 700;
  font-size: 15px;
  color: var(--red);
  margin-top: 8px;
}
.product-card-status {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 2px;
  margin-top: 6px;
}
.status-instock { background: #e8f5e9; color: #2e7d32; }
.status-outofstock { background: #fbe9e7; color: #c62828; }

/* ---------- SINGLE PRODUCT ---------- */
.product-gallery {
  position: relative;
  background: var(--cream);
}
.product-gallery-main {
  aspect-ratio: 1;
  overflow: hidden;
}
.product-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.product-gallery-thumbs {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  overflow-x: auto;
}
.product-gallery-thumbs img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border: 2px solid transparent;
  cursor: pointer;
  border-radius: 2px;
}
.product-gallery-thumbs img.is-active { border-color: var(--red); }

.product-info { padding: 24px 16px; }
.product-info h1 {
  font-size: 22px;
  margin-bottom: 8px;
}
.product-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.product-price {
  font-size: 24px;
  font-weight: 900;
  color: var(--red);
  margin-bottom: 20px;
}
.product-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}
.product-cta .btn { font-size: 14px; padding: 12px 16px; }

/* Product tabs */
.product-tabs { border-top: 1px solid var(--gray-200); }
.tab-buttons {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
  overflow-x: auto;
}
.tab-btn {
  padding: 14px 20px;
  font-weight: 600;
  font-size: 14px;
  color: var(--gray-500);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
}
.tab-btn.is-active { color: var(--red); border-bottom-color: var(--red); }
.tab-panel { padding: 24px 16px; display: none; }
.tab-panel.is-active { display: block; }
.tab-panel p { margin-bottom: 12px; }
.tab-panel table { width: 100%; border-collapse: collapse; }
.tab-panel th, .tab-panel td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 14px;
}
.tab-panel th {
  font-weight: 600;
  color: var(--gray-500);
  width: 40%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* Related products */
.related-products { padding: 32px 0; background: var(--cream); }
.related-scroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}
.related-scroll .product-card {
  min-width: 160px;
  flex-shrink: 0;
  scroll-snap-align: start;
}

/* ---------- NEWS / BLOG ---------- */
.posts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.post-card {
  display: flex;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}
.post-card-img {
  width: 100px;
  height: 80px;
  flex-shrink: 0;
  border-radius: 2px;
  overflow: hidden;
  background: var(--cream);
}
.post-card-img img { width: 100%; height: 100%; object-fit: cover; }
.post-card-body h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1.3;
}
.post-card-body h3 a { color: var(--ink); }
.post-card-body h3 a:hover { color: var(--red); }
.post-card-date {
  font-size: 12px;
  color: var(--gray-400);
  font-family: var(--font-mono);
  letter-spacing: .06em;
}
.post-card-excerpt {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 4px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Featured post */
.featured-post {
  margin-bottom: 24px;
  border-radius: 2px;
  overflow: hidden;
}
.featured-post-img {
  aspect-ratio: 16/9;
  background: var(--cream);
  overflow: hidden;
}
.featured-post-img img { width: 100%; height: 100%; object-fit: cover; }
.featured-post-body { padding: 16px 0; }
.featured-post-body h2 { font-size: 22px; margin-bottom: 8px; }
.featured-post-body h2 a { color: var(--ink); }
.featured-post-body h2 a:hover { color: var(--red); }

/* Single post */
.single-post-content { padding: 24px 0; }
.single-post-content h1 { margin-bottom: 16px; }
.entry-content p { margin-bottom: 16px; font-size: 16px; line-height: 1.7; }
.entry-content h2 { font-size: 22px; margin: 32px 0 12px; }
.entry-content h3 { font-size: 18px; margin: 24px 0 8px; }
.entry-content ul, .entry-content ol { margin: 12px 0 12px 24px; list-style: disc; }
.entry-content li { margin-bottom: 4px; }
.entry-content img { margin: 16px 0; border-radius: 2px; }
.entry-content blockquote {
  border-left: 4px solid var(--red);
  padding: 16px 20px;
  margin: 16px 0;
  background: var(--cream);
  font-style: italic;
}

/* ---------- ABOUT PAGE ---------- */
.about-hero {
  background: var(--red);
  color: var(--paper);
  padding: 48px 0;
  text-align: center;
}
.about-hero h1 { font-size: 28px; margin-bottom: 12px; }
.about-hero p { font-size: 16px; opacity: .9; }

.about-section { padding: 40px 0; }
.about-section:nth-child(even) { background: var(--cream); }
.about-section h2 { margin-bottom: 16px; }
.about-section p { margin-bottom: 12px; color: var(--gray-600); line-height: 1.7; }

.timeline { position: relative; padding-left: 24px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--red);
}
.timeline-item { position: relative; padding-bottom: 32px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--red);
  border-radius: 50%;
  border: 2px solid var(--paper);
}
.timeline-year {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--red);
  font-size: 14px;
  letter-spacing: .1em;
  margin-bottom: 4px;
}
.timeline-item h3 { font-size: 16px; margin-bottom: 4px; }
.timeline-item p { font-size: 14px; color: var(--gray-500); }

.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.team-card { text-align: center; }
.team-card-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 12px;
  background: var(--cream);
}
.team-card-img img { width: 100%; height: 100%; object-fit: cover; }
.team-card h3 { font-size: 16px; margin-bottom: 2px; }
.team-card p { font-size: 13px; color: var(--gray-500); font-family: var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.cert-grid img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border: 1px solid var(--gray-200);
  border-radius: 2px;
}

/* ---------- CONTACT PAGE ---------- */
.contact-blocks {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 32px;
}
.contact-block {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--cream);
  border-radius: 2px;
  text-decoration: none;
  color: var(--ink);
  transition: box-shadow .2s;
}
.contact-block:hover { box-shadow: 0 4px 12px rgba(0,0,0,.08); color: var(--ink); }
.contact-block-icon {
  width: 48px;
  height: 48px;
  background: var(--red);
  color: var(--paper);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.contact-block h4 { font-size: 14px; font-weight: 700; margin-bottom: 2px; }
.contact-block p { font-size: 14px; color: var(--gray-500); }

/* Contact form */
.contact-form { padding: 32px 0; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 2px;
  font-size: 16px;
  transition: border-color .15s;
  background: var(--paper);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(196,30,58,.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-message {
  padding: 12px 16px;
  border-radius: 2px;
  margin-bottom: 16px;
  font-size: 14px;
}
.form-message.success { background: #e8f5e9; color: #2e7d32; }
.form-message.error { background: #fbe9e7; color: #c62828; }

.map-embed {
  width: 100%;
  height: 250px;
  border: none;
  margin-top: 24px;
}

.working-hours { margin-top: 24px; }
.working-hours h3 { font-size: 18px; margin-bottom: 12px; }
.hours-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 14px;
}
.hours-row span:first-child { font-weight: 600; }
.hours-row span:last-child { color: var(--gray-500); }

/* ---------- BREADCRUMB ---------- */
.breadcrumb {
  padding: 12px 0;
  font-size: 13px;
  color: var(--gray-400);
}
.breadcrumb a { color: var(--gray-500); }
.breadcrumb a:hover { color: var(--red); }
.breadcrumb span { margin: 0 6px; }

/* ---------- PAGINATION ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 32px 0;
}
.pagination a, .pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--gray-200);
  border-radius: 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  transition: all .15s;
}
.pagination a:hover { background: var(--cream); border-color: var(--gray-300); color: var(--ink); }
.pagination .current {
  background: var(--red);
  color: var(--paper);
  border-color: var(--red);
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 40px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--paper);
  font-family: var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.footer-col p, .footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  line-height: 1.7;
}
.footer-col a:hover { color: var(--paper); }
.footer-col ul li { margin-bottom: 8px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-logo .logo-mark { font-size: 18px; padding: 5px 7px; }
.footer-logo .logo-text span { font-size: 14px; color: var(--paper); }
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-top: 8px;
}
.footer-bar {
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,.4);
}

/* ---------- 404 ---------- */
.page-404 {
  text-align: center;
  padding: 80px 0;
}
.page-404 h1 {
  font-size: 72px;
  color: var(--red);
  margin-bottom: 16px;
}
.page-404 p { font-size: 18px; color: var(--gray-500); margin-bottom: 24px; }

/* ---------- SIDEBAR ---------- */
.sidebar { margin-top: 32px; }
.widget { margin-bottom: 28px; }
.widget h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--red);
}
.widget ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 14px;
}
.widget ul li a { color: var(--gray-600); }
.widget ul li a:hover { color: var(--red); }

/* ========== TABLET (768px+) ========== */
@media (min-width: 768px) {
  .container { padding: 0 24px; }
  h1 { font-size: 36px; }
  h2 { font-size: 30px; }
  .section-padding { padding: 64px 0; }

  .hero { padding: 64px 0 72px; }
  .hero h1 { font-size: 36px; }
  .hero-buttons { flex-direction: row; }

  .stat-number { font-size: 36px; }

  .categories-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }

  .products-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }

  .product-cta { max-width: 400px; }

  .posts-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .post-card { flex-direction: column; }
  .post-card-img { width: 100%; height: 160px; }

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

  .contact-blocks { grid-template-columns: repeat(2, 1fr); }

  .footer-grid { grid-template-columns: repeat(2, 1fr); }

  .map-embed { height: 350px; }
}

/* ========== DESKTOP (1200px+) ========== */
@media (min-width: 1200px) {
  .container { padding: 0 40px; }
  h1 { font-size: 48px; }
  h2 { font-size: 36px; }
  .section-padding { padding: 80px 0; }

  body { padding-bottom: 0; } /* no sticky bar on desktop */
  .sticky-bar { display: none; }
  .menu-toggle { display: none; }
  .mobile-menu { display: none !important; }
  .main-nav { display: block; }
  .header-cta { display: flex; }

  .hero { padding: 80px 0 96px; }
  .hero h1 { font-size: 48px; }
  .hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }

  .stat-number { font-size: 48px; }

  .categories-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }

  .products-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }

  .product-single-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .posts-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
  }
  .posts-grid { grid-template-columns: 1fr; }
  .sidebar { margin-top: 0; }

  .about-hero h1 { font-size: 48px; }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(4, 1fr); }

  .contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .contact-blocks { grid-template-columns: 1fr 1fr; }

  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}