/* Techmetric — shared stylesheet (mobile-first, no JS) */

:root {
  --blue-dark: #0b2e4d;
  --blue: #1467a6;
  --blue-light: #e7f1fa;
  --amber: #c2740f;
  --amber-dark: #96590c;
  --ink: #171b1f;
  --ink-soft: #545e68;
  --ink-faint: #8b95a0;
  --border: #dde3e9;
  --bg: #f4f6f9;
  --surface: #ffffff;
  --amber-bg: #fbf1e2;
  --amber-border: #eddab3;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 33, 0.06);
  --shadow-lift: 0 20px 44px -28px rgba(15, 23, 33, 0.35);
  --sans: -apple-system, "Segoe UI", "Inter", Roboto, Helvetica, Arial, sans-serif;
  max-width: 100%;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { letter-spacing: -0.01em; font-weight: 800; }

a { color: var(--blue); text-decoration-thickness: 1.5px; }

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

.wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Topbar */
.topbar {
  background: var(--blue-dark);
  border-bottom: 1px solid var(--blue-dark);
  font-size: 0.75rem;
  color: #dbe8f4;
  padding: 0.4rem 0;
  font-weight: 600;
}
.topbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.topbar strong { font-weight: 800; color: #fff; }

/* Breadcrumb */
.breadcrumb {
  font-size: 0.8rem;
  color: var(--ink-faint);
  padding: 0.9rem 0 0;
  font-weight: 600;
}
.breadcrumb a { color: var(--ink-faint); text-decoration: none; }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb .sep { margin: 0 0.4rem; color: var(--border); }
.breadcrumb .current { color: var(--ink); font-weight: 700; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 0;
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(244, 246, 249, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 0.75rem;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  flex-shrink: 0;
  letter-spacing: -0.01em;
}
.brand-icon {
  flex-shrink: 0;
  background: linear-gradient(155deg, var(--blue) 0%, var(--blue-dark) 100%);
  border-radius: 7px;
  padding: 3px;
  box-shadow: var(--shadow-sm);
}
.lang-switch {
  display: flex;
  gap: 0.35rem;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.lang-switch a {
  padding: 0.32rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink-soft);
  white-space: nowrap;
  font-weight: 600;
}

/* Primary nav — single "Categories" dropdown trigger */
.primary-nav {
  flex: 1 1 100%;
  order: 3;
  min-width: 0;
  font-size: 0.92rem;
  font-weight: 700;
}
.nav-dropdown {
  position: relative;
  display: block;
  width: 100%;
}
.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.3rem;
  text-decoration: none;
  color: var(--ink);
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 100%;
}
.nav-dropdown-trigger .caret {
  font-size: 0.7em;
  color: var(--ink-faint);
}
.nav-dropdown:hover .nav-dropdown-trigger,
.nav-dropdown.is-open .nav-dropdown-trigger {
  color: var(--blue);
  border-color: var(--blue);
}
.nav-dropdown-menu {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lift);
  padding: 0.4rem;
  z-index: 30;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown.is-open .nav-dropdown-menu {
  display: flex;
}
.nav-dropdown-menu::before {
  content: "";
  position: absolute;
  top: -0.5rem;
  left: 0;
  right: 0;
  height: 0.5rem;
}
.nav-dropdown-menu a {
  text-decoration: none;
  color: var(--ink);
  padding: 0.7rem 0.85rem;
  border-radius: 7px;
  font-weight: 600;
}
.nav-dropdown-menu a:hover {
  background: var(--blue-light);
  color: var(--blue-dark);
}
.nav-dropdown-menu a[aria-current="true"] {
  color: var(--blue-dark);
  background: var(--blue-light);
  font-weight: 800;
}
.nav-dropdown-menu .menu-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.35rem 0.25rem;
}
@media (min-width: 640px) {
  .site-header .wrap { flex-wrap: nowrap; }
  .primary-nav { flex: 1; order: 0; }
  .nav-dropdown { display: inline-block; width: auto; }
  .nav-dropdown-trigger {
    display: inline-flex;
    width: auto;
    padding: 0.3rem 0;
    border: none;
    border-radius: 0;
  }
  .nav-dropdown:hover .nav-dropdown-trigger,
  .nav-dropdown.is-open .nav-dropdown-trigger { border-color: transparent; }
  .nav-dropdown-menu {
    left: 0;
    right: auto;
    min-width: 220px;
  }
  .nav-dropdown-menu a { padding: 0.55rem 0.75rem; white-space: nowrap; }
}

/* Hero */
.hero {
  background: var(--bg);
  padding: 3rem 0 2.25rem;
  border-bottom: 1px solid var(--border);
}
.hero h1 {
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1.1;
  margin: 0 0 0.85rem;
  color: var(--ink);
  font-weight: 800;
}
.hero .sub {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
}

/* Sections */
section.block {
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--border);
}
section.block h2 {
  font-size: 1.4rem;
  color: var(--ink);
  margin-top: 0;
  font-weight: 800;
}
.benefits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
.benefits li {
  padding-left: 1.8rem;
  position: relative;
}
.benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 800;
}

/* FAQ (native details/summary, no JS) */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.15rem 1rem;
  margin-bottom: 0.75rem;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  padding: 0.85rem 0;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--blue);
  font-weight: 800;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: 0 0 1rem; color: var(--ink-soft); }

/* CTA */
.cta-box {
  text-align: center;
  padding: 2.25rem 1rem;
  background: var(--blue-light);
  border-radius: var(--radius);
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.95rem 2rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  box-shadow: var(--shadow-sm), 0 10px 24px -12px rgba(20, 103, 166, 0.55);
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.cta-btn:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm), 0 14px 28px -12px rgba(11, 46, 77, 0.55);
}
.cta-note {
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin-top: 0.75rem;
}
.cta-btn-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.cta-btn-group .cta-btn { width: 100%; justify-content: center; }
.mid-cta {
  text-align: center;
  padding: 1.5rem 1rem;
  margin: 1.5rem 0;
  background: var(--blue-light);
  border-radius: var(--radius);
}
.mid-cta .cta-note { margin-top: 0.6rem; }

/* Product hero (breadcrumb + gallery + buy box) */
.product-hero-section {
  padding: 1.25rem 0 2rem;
  border-bottom: 1px solid var(--border);
}
.product-hero-section .wrap { max-width: 980px; }
.product-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 1rem;
}
@media (min-width: 760px) {
  .product-hero { grid-template-columns: 320px 1fr; align-items: start; }
}

.product-gallery { position: relative; }
.gallery-placeholder {
  aspect-ratio: 1 / 1;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-size: 0.85rem;
  gap: 0.5rem;
  text-align: center;
  padding: 1rem;
}
.gallery-placeholder .icon { font-size: 2.4rem; }

.product-photo {
  aspect-ratio: 1 / 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}
.product-photo img { max-height: 100%; width: auto; margin: 0 auto; }

.badge-circle {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--amber);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 800;
  text-align: center;
  line-height: 1.1;
  text-transform: uppercase;
  padding: 0.3rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.18);
}
.badge-circle.badge-circle-new { background: var(--blue); }

.buy-box {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  background: var(--surface);
  box-shadow: var(--shadow-lift);
}
@media (min-width: 760px) {
  .buy-box { position: sticky; top: 5.5rem; }
}
.buy-box h1 {
  font-size: 1.5rem;
  line-height: 1.2;
  margin: 0 0 0.6rem;
}

.score-box {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
  background: var(--blue-light);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
  margin: 0.75rem 0 1.1rem;
}
.score-box .stars {
  color: var(--amber);
  letter-spacing: 1px;
  font-size: 1.05rem;
  font-weight: 700;
}
.score-box .score-label {
  color: var(--ink-soft);
  font-size: 0.72rem;
  line-height: 1.3;
}

.buy-box .cta-btn { display: flex; justify-content: center; width: 100%; }
.buy-box .cta-note { text-align: center; }

.quick-summary {
  grid-column: 1 / -1;
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  background: var(--blue-light);
  margin-top: 0.5rem;
}
.quick-summary h2 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin: 0 0 0.5rem;
  font-weight: 800;
}
.quick-summary p { margin: 0 0 0.5rem; }
.quick-summary p:last-child { margin-bottom: 0; }
.quick-summary-jump { font-size: 0.85rem; }
.quick-summary-jump a { color: var(--blue); font-weight: 700; }
.quick-summary-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 0.75rem 0;
}
.quick-summary-cols h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin: 0 0 0.35rem;
  font-weight: 800;
}
.quick-summary-list { list-style: none; margin: 0; padding: 0; font-size: 0.92rem; }
.quick-summary-list li { margin: 0 0 0.3rem; padding-left: 1.3rem; position: relative; }
.quick-summary-strengths li::before { content: "✔"; position: absolute; left: 0; color: var(--blue); }
.quick-summary-weaknesses li::before { content: "✘"; position: absolute; left: 0; color: var(--amber-dark); }
@media (max-width: 640px) {
  .quick-summary-cols { grid-template-columns: 1fr; }
}

/* Homepage hero banner (text + visual) */
.hero-banner-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
}
@media (min-width: 700px) {
  .hero-banner-inner { grid-template-columns: 1.3fr 1fr; }
}
.hero-visual { position: relative; }
.hero-illustration {
  aspect-ratio: 4 / 3;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.75rem;
}
.hero-illustration img { width: 100%; max-width: 220px; height: auto; }

/* Services / trust strip */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}
@media (min-width: 640px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}
.service-item {
  text-align: center;
  padding: 1.4rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.service-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.service-item .icon {
  font-size: 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  margin-bottom: 0.6rem;
  background: var(--blue-light);
  color: var(--blue);
  border-radius: var(--radius-sm);
}
.service-item h4 { margin: 0 0 0.35rem; font-size: 0.95rem; color: var(--ink); font-weight: 800; }
.service-item p { margin: 0; font-size: 0.82rem; color: var(--ink-soft); }

/* SEO text block */
.seo-text { column-count: 1; column-gap: 2rem; }
@media (min-width: 700px) {
  .seo-text { column-count: 2; }
}
.seo-text p { margin: 0 0 1rem; break-inside: avoid-column; }

/* Footer grid */
.footer-grid {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: 1fr;
  padding: 0.5rem 0 1.5rem;
}
@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}
.footer-grid h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink);
  margin: 0 0 0.7rem;
  font-weight: 800;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 0.45rem; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  margin-top: 0.5rem;
}

/* Disclosure & disclaimers */
.disclosure {
  background: var(--amber-bg);
  border: 1px solid var(--amber-border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 1.5rem 0;
}
footer.site-footer {
  padding: 2rem 0 3rem;
  font-size: 0.78rem;
  color: var(--ink-faint);
}
footer.site-footer p { margin: 0 0 0.6rem; }
footer.site-footer a { color: var(--ink-faint); }

/* Hub page cards */
.offer-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  margin: 2rem 0;
}
@media (min-width: 640px) {
  .offer-grid { grid-template-columns: 1fr 1fr; }
}
.offer-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  background: var(--surface);
  text-decoration: none;
  color: var(--ink);
  display: block;
  box-shadow: var(--shadow-sm);
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
  position: relative;
}
.offer-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--blue);
}
.offer-card h3 {
  color: var(--ink);
  margin: 0 0 0.5rem;
  font-weight: 800;
}
.offer-card p { color: var(--ink-soft); margin: 0; font-size: 0.92rem; }

.card-thumb {
  aspect-ratio: 16 / 10;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
  overflow: hidden;
}
.card-thumb img { max-height: 100%; max-width: 100%; object-fit: contain; }
.card-thumb-photo { border-style: solid; background: var(--bg); padding: 0.5rem; }

/* Badges (Featured / New) */
.badge {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 800;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}
.badge-featured { background: var(--amber); color: #fff; }
.badge-new { background: var(--blue); color: #fff; }

/* Niche menu cards (homepage "browse by category") */
.niche-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  margin: 2rem 0;
}
@media (min-width: 640px) {
  .niche-grid { grid-template-columns: 1fr 1fr; }
}
.niche-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  background: var(--blue-light);
  text-decoration: none;
  color: var(--blue-dark);
  display: block;
  font-weight: 800;
  font-size: 1.1rem;
  text-align: center;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.niche-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.niche-card span { display: block; font-size: 0.78rem; font-weight: 600; color: var(--ink-soft); margin-top: 0.3rem; }

/* Blog */
.post-card { border-color: var(--border); }
.post-card .post-date {
  display: block;
  font-size: 0.75rem;
  color: var(--ink-faint);
  margin-bottom: 0.35rem;
  font-weight: 700;
}
.post-body p { margin: 0 0 1.1rem; }
.post-body h2 { color: var(--ink); font-size: 1.25rem; font-weight: 800; }
.post-hero-img {
  width: 100%;
  max-width: 360px;
  aspect-ratio: 1 / 1;
  margin: 0 auto 1.75rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.post-hero-img img { width: 100%; height: 100%; object-fit: cover; }
.related-box {
  background: var(--blue-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}
.related-box a { font-weight: 700; }