:root {
  --bg: #e8eaed;
  --bg-soft: #dfe1e5;
  --surface: #ffffff;
  --surface-muted: #f3f4f6;
  --card: #ffffff;
  --card-hover: #f9fafb;
  --text: #111827;
  --text-secondary: #374151;
  --muted: #6b7280;
  --accent: #1f4f8f;
  --accent-hover: #1a3f72;
  --accent-soft: #d1d5db;
  --accent-muted: #f3f4f6;
  --line: rgba(55, 65, 81, 0.18);
  --line-soft: #d1d5db;
  --shadow: 0 2px 12px rgba(17, 24, 39, 0.06);
  --shadow-lg: 0 8px 28px rgba(17, 24, 39, 0.09);
  font-family: Manrope, ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: linear-gradient(180deg, #f3f4f6 0%, var(--bg) 55%, var(--bg-soft) 100%);
}

body::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, #374151 0%, #6b7280 100%);
}

.wrap {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 28px clamp(24px, 5vw, 48px) 64px;
}

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

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

header {
  margin-bottom: 28px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-soft);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.meta .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.65;
}

.meta a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
}

.meta a:hover { text-decoration: underline; }

h1 {
  margin: 0;
  font-size: clamp(1.85rem, 4.2vw, 2.75rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text);
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 2.8vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text);
}

h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.lead {
  width: 100%;
  max-width: 720px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.section {
  margin-top: 48px;
}

.section-lead {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 14px 16px 16px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: var(--card);
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.card--has-thumb {
  padding: 12px;
}

.card--has-thumb .card-footer {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding-top: 8px;
  border-top: none;
}

.card-footer .btn-primary {
  padding: 9px 14px;
  font-size: 0.82rem;
  box-shadow: 0 2px 6px rgba(31, 79, 143, 0.2);
}

.card--has-thumb .card-footer .btn-primary {
  width: 100%;
  justify-content: center;
  padding: 8px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: #fff;
  border: 1px solid rgba(31, 79, 143, 0.28);
  box-shadow: none;
}

.card--has-thumb .card-footer .btn-primary:hover {
  background: rgba(31, 79, 143, 0.05);
  border-color: var(--accent);
  color: var(--accent-hover);
}

.card:hover {
  transform: translateY(-2px);
  background: var(--card-hover);
  border-color: #cbd5e1;
  box-shadow: var(--shadow-lg);
}

.card--has-thumb .card-top {
  display: none;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  font-size: 1.2rem;
  background: var(--surface-muted);
  border: 1px solid var(--line-soft);
}

.tag {
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--surface-muted);
  border: 1px solid var(--line-soft);
  white-space: nowrap;
}

.card h2 {
  margin: 0 0 4px;
  font-size: 1.05rem;
  line-height: 1.25;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
}

.catalog-trust {
  margin-top: 20px;
  padding: 16px 20px;
  border: 1px solid rgba(31, 79, 143, 0.2);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  background: #fff;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  text-align: left;
  box-shadow: var(--shadow);
}

.catalog-trust a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.catalog-trust a:hover { text-decoration: underline; }

.catalog-custom-bridge {
  margin-top: 12px;
}

.price-from {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  background: var(--surface);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
  cursor: pointer;
}

.btn:hover {
  background: var(--surface-muted);
  border-color: #cbd5e1;
  color: var(--text);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn svg {
  width: 14px;
  height: 14px;
  opacity: 0.85;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}

.back-link:hover { color: var(--accent); }

.nav-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 18px;
}

.nav-anchors a {
  padding: 6px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  background: var(--surface);
}

.nav-anchors a:hover {
  color: var(--text-secondary);
  border-color: #9ca3af;
  background: var(--surface-muted);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th, td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}

th {
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--surface-muted);
}

tr:last-child td { border-bottom: none; }

td { color: var(--muted); }

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding: 6px 0 6px 18px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--accent);
}

.feature-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.pricing-card {
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.pricing-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.pricing-card .price {
  margin: 8px 0 14px;
  color: var(--accent);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.pricing-card .for-whom {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 0.82rem;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: var(--surface);
}

.faq-item h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
  color: var(--text);
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.ordered-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.ordered-list li { margin-bottom: 6px; }

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stack-tag {
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--line-soft);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--surface-muted);
}

footer {
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-credit {
  color: var(--muted);
}

footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
}

footer a:hover { text-decoration: underline; }

.error-page {
  text-align: center;
  padding: 80px 0;
}

.error-page h1 {
  font-size: clamp(3rem, 10vw, 5rem);
  color: var(--accent-soft);
  font-weight: 800;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.82rem;
}

.breadcrumbs a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.breadcrumbs a:hover { text-decoration: underline; }

.breadcrumbs span[aria-current="page"] {
  color: var(--text-secondary);
  font-weight: 600;
}

.breadcrumbs .sep {
  opacity: 0.45;
  user-select: none;
}

.card-thumb-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 8px;
  height: 120px;
  padding: 6px;
  border-radius: 8px;
  overflow: hidden;
  border: none;
  background: #f3f4f6;
}

.card-thumb-tag {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--line-soft);
  font-size: 0.58rem;
  padding: 2px 6px;
}

.card-price-badge {
  position: absolute;
  left: 10px;
  bottom: 10px;
  z-index: 2;
  padding: 3px 8px;
  border-radius: 6px;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(31, 79, 143, 0.18);
  box-shadow: 0 1px 3px rgba(17, 24, 39, 0.06);
}

.card-thumb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.trust-panel {
  padding: 20px 22px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: linear-gradient(135deg, #f8fafc 0%, var(--surface-muted) 100%);
}

.trust-panel h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  color: var(--text);
}

.trust-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.trust-panel li {
  position: relative;
  padding: 5px 0 5px 18px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.trust-panel li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.tech-details {
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
}

.tech-details summary {
  padding: 14px 18px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.tech-details summary::-webkit-details-marker { display: none; }

.tech-details summary::after {
  content: "＋";
  float: right;
  color: var(--muted);
  font-weight: 400;
}

.tech-details[open] summary::after { content: "－"; }

.tech-details .tech-details-body {
  padding: 0 18px 16px;
  border-top: 1px solid var(--line-soft);
}

.compare-note {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .wrap {
    padding: 18px 24px 48px;
  }

  .meta {
    gap: 8px 12px;
    font-size: 0.72rem;
  }

  .meta .dot { display: none; }

  .card-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .btn { justify-content: center; }

  .btn-row { flex-direction: column; }

  .btn-row .btn { width: 100%; }
}