/* --- Guides hub & category pages --- */
.guides-hero {
  padding: 56px 0 48px;
  background:
    linear-gradient(180deg, rgba(37, 99, 235, 0.04) 0%, rgba(22, 199, 132, 0.03) 42%, transparent 100%);
  border-bottom: 1px solid var(--color-border-soft);
}

[data-theme="dark"] .guides-hero {
  background:
    linear-gradient(180deg, rgba(37, 99, 235, 0.08) 0%, rgba(34, 197, 94, 0.05) 42%, transparent 100%);
}

.guides-hero-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.guides-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  margin-bottom: 16px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-accent-dark);
  background: rgba(22, 199, 132, 0.1);
  border: 1px solid rgba(22, 199, 132, 0.22);
  border-radius: 100px;
}

[data-theme="dark"] .guides-badge {
  color: var(--color-accent);
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.28);
}

.guides-hero h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.375rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  margin: 0 0 14px;
}

[data-theme="dark"] .guides-hero h1 {
  color: var(--color-text);
}

.guides-hero-subtitle {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-muted);
}

.guides-hub-topics {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 10px;
  margin-top: 16px;
}

.guides-hub-search-helper {
  margin: 12px 0 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-muted);
  opacity: 0.9;
}

.guides-hub-page .guides-hero {
  padding: 48px 0 40px;
}

.guides-hub-page .guides-hero h1 {
  margin-bottom: 12px;
}

.guides-hub-page .guides-section .section-header--compact {
  margin-bottom: 24px;
}

.guides-hub-page .guides-section {
  padding: 40px 0 32px;
}

.guides-hub-topics-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-muted);
}

.guides-hub-topics-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.guides-hub-topic-chip {
  display: inline-flex;
  padding: 5px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--color-accent-dark);
  background: var(--color-card);
  border: 1px solid rgba(22, 199, 132, 0.22);
  border-radius: 100px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.guides-hub-topic-chip:hover {
  border-color: rgba(22, 199, 132, 0.4);
  background: rgba(22, 199, 132, 0.06);
}

[data-theme="dark"] .guides-hub-topic-chip {
  color: var(--color-accent);
}

.guides-hub-essentials {
  padding-top: 24px;
  padding-bottom: 16px;
}

.guides-hub-essentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  align-items: stretch;
}

.guides-hub-essential-card {
  display: flex;
  height: 100%;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition), transform 220ms ease;
}

.guides-hub-essential-card:hover {
  border-color: rgba(22, 199, 132, 0.32);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  transform: translateY(-3px);
}

.guides-hub-essential-link {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  padding: 16px 15px 14px;
  text-decoration: none;
  color: inherit;
}

.guides-hub-essential-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}

.guides-hub-beginner-badge {
  display: inline-flex;
  padding: 2px 8px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-muted);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-soft);
  border-radius: 100px;
}

.guides-hub-essential-link h3 {
  margin: 0 0 6px;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
}

.guides-hub-essential-link p {
  margin: 0;
  flex: 1;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.guides-hub-essential-footer {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-soft);
}

.guides-hub-essential-cta {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent-dark);
}

[data-theme="dark"] .guides-hub-essential-cta {
  color: var(--color-accent);
}

.guide-category-head-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.guide-category-recommended {
  display: inline-flex;
  align-self: flex-start;
  padding: 1px 7px;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted);
  background: rgba(22, 199, 132, 0.06);
  border: 1px solid rgba(22, 199, 132, 0.14);
  border-radius: 100px;
}

[data-theme="dark"] .guide-category-recommended {
  color: var(--color-muted);
  border-color: rgba(34, 197, 94, 0.18);
}

.guide-category-card--recommended::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(22, 199, 132, 0.35), rgba(37, 99, 235, 0.2));
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.guide-category-popular {
  margin-bottom: 12px;
}

.guide-category-popular-label {
  display: block;
  margin-bottom: 5px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-muted);
  opacity: 0.85;
}

.guide-category-popular-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-category-popular-list li + li {
  margin-top: 4px;
}

.guide-category-popular-list a {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-blue);
  text-decoration: none;
}

.guide-category-popular-list a:hover {
  text-decoration: underline;
}

.guides-hub-problems {
  padding-top: 16px;
  padding-bottom: 16px;
}

.guides-hub-problems-panel {
  padding: 28px 24px 24px;
  background:
    linear-gradient(180deg, rgba(37, 99, 235, 0.03) 0%, rgba(22, 199, 132, 0.02) 100%),
    var(--color-bg-soft);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
}

[data-theme="dark"] .guides-hub-problems-panel {
  background:
    linear-gradient(180deg, rgba(37, 99, 235, 0.06) 0%, rgba(34, 197, 94, 0.04) 100%),
    var(--color-bg-soft);
}

.guides-hub-problems-panel .section-header--compact {
  margin-bottom: 20px;
}

.guides-hub-problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.guides-hub-problem-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 18px 16px 16px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition), transform 220ms ease;
}

.guides-hub-problem-card:hover {
  border-color: rgba(37, 99, 235, 0.22);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.05);
  transform: translateY(-2px);
}

.guides-hub-problem-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  border-radius: 10px;
  color: var(--color-blue);
  background: rgba(37, 99, 235, 0.08);
}

.guides-hub-problem-icon--email {
  color: #ea580c;
  background: rgba(234, 88, 12, 0.1);
}

.guides-hub-problem-icon--ssl {
  color: var(--color-accent-dark);
  background: rgba(22, 199, 132, 0.1);
}

.guides-hub-problem-card h3 {
  margin: 0 0 6px;
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--color-text);
}

.guides-hub-problem-card > p {
  margin: 0 0 10px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-muted);
}

.guides-hub-problem-links {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  flex: 1;
}

.guides-hub-problem-links li + li {
  margin-top: 5px;
}

.guides-hub-problem-links a {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
  text-decoration: none;
}

.guides-hub-problem-links a:hover {
  color: var(--color-blue);
  text-decoration: underline;
}

.guides-hub-problem-cta {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  padding-top: 12px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  text-decoration: none;
  border-top: 1px solid var(--color-border-soft);
  width: 100%;
}

.guides-hub-problem-cta:hover {
  color: var(--color-blue);
}

[data-theme="dark"] .guides-hub-problem-cta {
  color: var(--color-accent);
}

.guides-hub-featured {
  padding-top: 16px;
  padding-bottom: 8px;
}

.guides-hub-featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  align-items: stretch;
}

.guides-hub-featured-row {
  display: flex;
  height: 100%;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.guides-hub-featured-row:hover {
  border-color: rgba(22, 199, 132, 0.22);
  box-shadow: var(--shadow-soft);
}

.guides-hub-featured-link {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  padding: 14px 15px 12px;
  text-decoration: none;
  color: inherit;
}

.guides-hub-featured-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  height: 100%;
}

.guides-hub-featured-body .guide-list-card-badge {
  margin-bottom: 6px;
}

.guides-hub-featured-body h3 {
  margin: 0 0 4px;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
}

.guides-hub-featured-body p {
  margin: 0 0 8px;
  flex: 1;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.guides-hub-featured-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 8px;
}

.guides-hub-featured-cta {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  white-space: nowrap;
}

[data-theme="dark"] .guides-hub-featured-cta {
  color: var(--color-accent);
}

.guides-hub-bottom-cta {
  padding-top: 4px;
  padding-bottom: 40px;
}

.guides-hub-bottom-cta-card {
  max-width: 680px;
  margin: 0 auto;
  padding: 28px 24px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-card) 0%, rgba(22, 199, 132, 0.06) 100%);
  border: 1px solid rgba(22, 199, 132, 0.22);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.04);
}

[data-theme="dark"] .guides-hub-bottom-cta-card {
  background: linear-gradient(180deg, var(--color-card) 0%, rgba(34, 197, 94, 0.08) 100%);
}

.guides-hub-bottom-cta-card h2 {
  margin: 0 0 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
}

.guides-hub-bottom-cta-card p {
  margin: 0 auto 20px;
  max-width: 520px;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-muted);
}

.guides-hub-bottom-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.guides-section {
  padding: 48px 0 40px;
}

.guides-section .section-header--compact {
  margin-bottom: 32px;
}

.guides-section .section-header--compact h2 {
  margin-bottom: 10px;
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

.guides-hub-page .guides-grid {
  gap: 16px;
}

.guide-category-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 20px 18px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 220ms ease, box-shadow var(--transition), border-color var(--transition);
}

.guide-category-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(ellipse 80% 60% at 30% 0%, rgba(22, 199, 132, 0.04) 0%, transparent 60%);
  transition: opacity var(--transition);
  pointer-events: none;
}

.guide-category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(22, 199, 132, 0.24);
}

.guide-category-card:hover::before {
  opacity: 1;
}

.guide-category-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.guide-category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
}

.guide-category-card h2 {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.guide-category-card p {
  margin: 0 0 12px;
  flex: 1;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--color-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.guide-category-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-soft);
}

.guide-category-count {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-muted);
}

.guide-category-count svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.guide-category-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition), gap var(--transition);
}

.guide-category-link:hover {
  color: var(--color-blue);
  gap: 8px;
}

[data-theme="dark"] .guide-category-link {
  color: var(--color-accent);
}

.guide-category-card--cta {
  border-color: rgba(22, 199, 132, 0.22);
  background: linear-gradient(180deg, var(--color-card) 0%, rgba(22, 199, 132, 0.05) 100%);
}

.guide-category-card--cta::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-blue));
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

[data-theme="dark"] .guide-category-card--cta {
  background: linear-gradient(180deg, var(--color-card) 0%, rgba(34, 197, 94, 0.08) 100%);
}

.guide-cta-btn {
  align-self: flex-start;
  margin-top: auto;
  padding: 10px 18px;
  font-size: 0.875rem;
}

/* --- Trust strip --- */
.guides-hub-page .guides-trust {
  padding: 8px 0 32px;
}

.guides-hub-page .guides-trust-grid {
  background: linear-gradient(180deg, var(--color-card) 0%, rgba(22, 199, 132, 0.03) 100%);
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.05);
}

.guides-trust {
  padding: 0 0 64px;
}

.guides-trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  padding: 22px 22px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
}

.guides-trust-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 4px;
}

.guides-trust-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 11px;
}

.guides-trust-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.guides-trust-body strong {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.guides-trust-body span {
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--color-muted);
}

/* --- Footer active state on guides hub --- */
body.guides-hub-page .footer-col#resources .footer-links a[href="/guides"] {
  color: var(--color-accent);
  font-weight: 600;
}

/* --- Category sub-pages --- */
.guides-category-hero {
  padding: 40px 0 32px;
  border-bottom: 1px solid var(--color-border-soft);
}

.guides-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.guides-breadcrumb a {
  color: var(--color-blue);
  font-weight: 600;
  text-decoration: none;
}

.guides-breadcrumb a:hover {
  text-decoration: underline;
}

.guides-breadcrumb-sep {
  opacity: 0.5;
}

.guides-category-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

[data-theme="dark"] .guides-category-hero h1 {
  color: var(--color-text);
}

.guides-category-desc {
  margin: 0;
  max-width: 640px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-muted);
}

.guides-category-hero-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
}

.guides-category-hero-main {
  min-width: 0;
}

.guides-category-hero-visual {
  display: none;
  position: relative;
  min-height: 220px;
}

.guides-category-hero-visual::before {
  content: '';
  position: absolute;
  inset: 8% 0 8% 10%;
  background: radial-gradient(ellipse at center, rgba(0, 102, 255, 0.1) 0%, transparent 72%);
  pointer-events: none;
}

.guides-hero-float-card {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 148px;
  padding: 14px 16px;
  background: var(--color-card);
  border: 1px solid var(--color-border-soft);
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] .guides-hero-float-card {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.guides-hero-float-badge {
  display: inline-flex;
  align-self: flex-start;
  padding: 3px 8px;
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-blue);
  background: rgba(0, 102, 255, 0.08);
  border-radius: 6px;
}

.guides-hero-float-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.guides-hero-float-caption {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-muted);
}

.guides-hero-float-card--1 {
  top: 6%;
  left: 6%;
  transform: rotate(-4deg);
}

.guides-hero-float-card--2 {
  top: 34%;
  right: 4%;
  transform: rotate(3deg);
}

.guides-hero-float-card--3 {
  bottom: 4%;
  left: 22%;
  transform: rotate(-2deg);
}

@media (min-width: 1025px) {
  .guides-category-page--flagship .guides-category-hero-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
    gap: 28px 40px;
  }

  .guides-category-page--flagship .guides-category-hero-visual {
    display: block;
  }
}

.guides-search {
  max-width: 640px;
  margin-top: 0;
}

.guides-search--inline {
  flex: 0 1 480px;
  width: 100%;
  max-width: 480px;
  min-width: 0;
}

.guides-search--compact {
  flex: 1 1 auto;
  min-width: 0;
  max-width: none;
  margin-top: 0;
}

.guides-search--compact .guides-search-input {
  height: 40px;
  padding: 0 36px 0 38px;
  font-size: 0.875rem;
  box-shadow: none;
}

.guides-search--compact .guides-search-icon {
  left: 12px;
}

.guides-search--compact .guides-search-clear {
  width: 28px;
  height: 28px;
  font-size: 1.125rem;
}

.guides-search--wide {
  max-width: 100%;
  margin-top: 16px;
}

.guides-search--hub {
  max-width: 100%;
}

.guides-search--hub .guides-search-input {
  height: 48px;
  font-size: 0.9375rem;
  border-color: var(--color-border);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.05);
}

.guides-search--hub .guides-search-input:focus {
  border-color: rgba(22, 199, 132, 0.5);
  box-shadow: 0 0 0 3px rgba(22, 199, 132, 0.12), 0 4px 16px rgba(15, 23, 42, 0.06);
}

.guides-search-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.guides-search-field {
  position: relative;
  display: flex;
  align-items: center;
}

.guides-search-icon {
  position: absolute;
  left: 14px;
  display: inline-flex;
  color: var(--color-muted);
  pointer-events: none;
}

.guides-search-input {
  width: 100%;
  height: 44px;
  padding: 0 40px 0 42px;
  font-size: 0.875rem;
  color: var(--color-text);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.guides-search-input::placeholder {
  color: var(--color-muted);
}

.guides-search-input:focus {
  outline: none;
  border-color: rgba(22, 199, 132, 0.45);
  box-shadow: 0 0 0 3px rgba(22, 199, 132, 0.1);
}

.guides-search-clear {
  position: absolute;
  right: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-muted);
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.guides-search-clear:hover {
  color: var(--color-text);
  background: var(--color-bg-soft);
}

.guides-search-results,
.guides-list-status {
  margin: 8px 0 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-muted);
}

.guides-list-toolbar {
  margin: 0 0 14px;
}

.guides-list-controls {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}

.guides-list-section .guides-topic-filters {
  width: 100%;
  margin-top: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.guides-list-section .guides-topic-filters::-webkit-scrollbar {
  display: none;
}

.guides-list-section .guides-topic-filter {
  flex-shrink: 0;
}

.guides-category-page--hub .guides-list-section .section-header--compact {
  margin-bottom: 12px;
}

/* Two-column category layout (hub pages) */
.guides-category-body {
  padding: 24px 0 48px;
}

.guides-category-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.guides-category-main {
  min-width: 0;
}

.guides-category-page--hub .guides-category-main.guides-list-section {
  padding: 0;
}

.guides-category-sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.guides-sidebar-card {
  padding: 16px 15px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.guides-sidebar-card-title {
  margin: 0 0 4px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.guides-sidebar-card-subtitle {
  margin: 0 0 12px;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--color-muted);
}

.guides-sidebar-start-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.guides-sidebar-start-step {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-soft);
}

.guides-sidebar-start-step:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.guides-sidebar-start-step-head {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
}

.guides-sidebar-start-step-num {
  display: inline-flex;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

.guides-sidebar-start-step-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-muted);
}

.guides-sidebar-start-step-link {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
  text-decoration: none;
}

.guides-sidebar-start-step-link:hover {
  color: var(--color-accent-dark);
}

.guides-sidebar-start-step-text {
  margin: 4px 0 0;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--color-muted);
}

.guides-sidebar-featured-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.guides-sidebar-featured-item {
  border-bottom: 1px solid var(--color-border-soft);
}

.guides-sidebar-featured-item:last-child {
  border-bottom: none;
}

.guides-sidebar-featured-link {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 8px;
  padding: 10px 0;
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition);
}

.guides-sidebar-featured-link:hover .guides-sidebar-featured-title {
  color: var(--color-accent-dark);
}

.guides-sidebar-featured-title {
  grid-column: 1;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
  transition: color var(--transition);
}

.guides-sidebar-featured-meta {
  grid-column: 1;
  font-size: 0.6875rem;
  color: var(--color-muted);
}

.guides-sidebar-featured-arrow {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-muted);
}

@media (min-width: 1025px) {
  .guides-category-layout {
    grid-template-columns: minmax(0, 7fr) minmax(260px, 3fr);
    gap: 28px 32px;
  }

  .guides-category-page--hub .guides-category-sidebar {
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .guides-category-page--hub .guides-category-layout .guides-list-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1400px) {
  .guides-category-page--hub .guides-category-layout .guides-list-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Flagship category hub layout */
.guides-category-page--flagship .guides-category-hero {
  padding: 44px 0 36px;
  background: linear-gradient(180deg, rgba(0, 102, 255, 0.04) 0%, transparent 72%);
}

[data-theme="dark"] .guides-category-page--flagship .guides-category-hero {
  background: linear-gradient(180deg, rgba(0, 102, 255, 0.08) 0%, transparent 72%);
}

.guides-category-page--flagship .guides-category-body {
  padding-top: 28px;
}

.guides-category-browse {
  min-width: 0;
}

.guides-category-browse-head {
  margin-bottom: 14px;
}

.guides-category-page--flagship .guides-category-browse-head h2 {
  margin: 0 0 4px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.guides-category-page--flagship .guides-list-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  margin-bottom: 16px;
  padding: 12px 14px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.guides-category-page--flagship .guides-list-controls {
  flex: 1 1 320px;
  min-width: 0;
}

.guides-category-page--flagship .guides-list-status {
  flex: 0 0 auto;
  margin: 0;
  font-size: 0.8125rem;
}

.guides-category-page--flagship .guides-search--inline {
  max-width: 440px;
}

.guides-category-page--flagship .guides-search-input {
  height: 42px;
  box-shadow: none;
}

.guides-category-page--flagship.guides-search-active .guides-list-toolbar {
  border-color: rgba(22, 199, 132, 0.22);
}

@media (min-width: 900px) {
  .guides-category-page--flagship .guides-list-controls {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
  }

  .guides-category-page--flagship .guides-search--inline {
    flex: 0 1 380px;
    width: auto;
  }

  .guides-category-page--flagship .guides-list-section .guides-topic-filters {
    flex: 1 1 240px;
    width: auto;
  }
}

@media (min-width: 1025px) {
  .guides-category-page--flagship .guides-category-sidebar {
    top: 88px;
  }

  .guides-category-page--flagship .guides-sidebar-card {
    box-shadow: var(--shadow-soft);
  }
}

.guides-filter-empty {
  margin-top: 16px;
  padding: 20px 18px;
  text-align: center;
  background: var(--color-bg-soft);
  border: 1px dashed var(--color-border-soft);
  border-radius: var(--radius-md);
}

.guides-filter-empty-title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}

.guides-filter-empty-text {
  margin: 0 0 14px;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-muted);
}

.guides-filter-empty-reset {
  display: inline-flex;
  padding: 8px 14px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.guides-filter-empty-reset:hover {
  border-color: rgba(22, 199, 132, 0.3);
}

.guides-hub-results {
  padding-top: 8px;
  padding-bottom: 24px;
}

.guides-hub-search-active .guides-hero {
  padding: 16px 0 12px;
}

.guides-hub-search-active .guides-badge,
.guides-hub-search-active .guides-hero h1,
.guides-hub-search-active .guides-hero-subtitle,
.guides-hub-search-active .guides-hub-topics,
.guides-hub-search-active .guides-hub-search-helper {
  display: none;
}

.guides-hub-search-active .guides-search--hub {
  margin-top: 0;
}

.guides-category-topics {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  margin-top: 14px;
  max-width: 100%;
}

.guides-category-topics-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.guides-category-topic-pills {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  max-width: 100%;
  overflow-x: auto;
  padding-bottom: 1px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.guides-category-topic-pills::-webkit-scrollbar {
  display: none;
}

.guides-category-topic-pill {
  display: inline-flex;
  flex-shrink: 0;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-blue);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-soft);
  border-radius: 100px;
}

.guides-learning-path {
  padding: 8px 0 16px;
}

.guides-learning-path-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.guides-learning-step {
  padding: 16px 14px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.guides-learning-step-num {
  display: inline-flex;
  margin-bottom: 8px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

.guides-learning-step-title {
  margin: 0 0 6px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
}

.guides-learning-step-text {
  margin: 0 0 10px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-muted);
}

.guides-learning-step-link {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-accent-dark);
  text-decoration: none;
}

.guides-learning-step-link:hover {
  text-decoration: underline;
}

.guides-topic-filters {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin-top: 0;
}

.guides-topic-filter {
  display: inline-flex;
  padding: 6px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-muted);
  background: var(--color-card);
  border: 1px solid var(--color-border-soft);
  border-radius: 100px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.guides-topic-filter:hover,
.guides-topic-filter.is-active {
  color: var(--color-accent-dark);
  border-color: rgba(22, 199, 132, 0.3);
  background: rgba(22, 199, 132, 0.06);
}

.guides-list-grid--featured .guide-list-card--featured {
  border-top: 3px solid var(--color-accent);
}

.guide-list-card--featured .guide-list-card-body {
  padding: 18px 20px 20px;
}

.guide-list-card--featured .guide-list-card-visual {
  height: 92px;
}

.guide-list-card-meta-left {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.guide-list-card-time {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.guide-list-card-topic {
  display: inline-flex;
  padding: 2px 8px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-blue);
  background: var(--color-bg-soft);
  border-radius: 100px;
}

.guides-category-solution-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.guides-category-solution-link {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-blue);
  text-decoration: none;
}

.guides-category-solution-link:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

.guides-related-categories {
  padding: 0 0 48px;
  margin-top: 8px;
}

.guides-related-categories-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr);
  gap: 20px 28px;
  align-items: start;
  padding: 24px 26px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.guides-related-categories-label {
  margin: 0 0 6px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.guides-related-categories-title {
  margin: 0 0 8px;
  font-size: clamp(1.125rem, 2.2vw, 1.625rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.guides-related-categories-subtitle {
  margin: 0;
  max-width: 34ch;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-muted);
}

.guides-related-categories-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.guides-related-category-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition);
}

.guides-related-category-card:hover {
  border-color: rgba(22, 199, 132, 0.28);
  background: rgba(22, 199, 132, 0.04);
}

.guides-related-category-card-icon {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 0;
  border-radius: 8px;
}

.guides-related-category-card-icon svg {
  width: 18px;
  height: 18px;
}

.guides-related-category-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.guides-related-category-card-title {
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
}

.guides-related-category-card-desc {
  font-size: 0.6875rem;
  line-height: 1.4;
  color: var(--color-muted);
}

.guides-related-category-card-arrow {
  flex-shrink: 0;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-muted);
  transition: color var(--transition), transform var(--transition);
}

.guides-related-category-card:hover .guides-related-category-card-arrow {
  color: var(--color-accent-dark);
  transform: translateX(2px);
}

.guides-category-page--hub .guides-category-body {
  padding-top: 20px;
}

.guides-empty {
  padding: 48px 0 64px;
}

.guides-empty-card {
  max-width: 520px;
  margin: 0 auto;
  padding: 32px 28px;
  text-align: center;
  background: var(--color-bg-soft);
  border: 1px dashed var(--color-border-soft);
  border-radius: var(--radius-md);
}

.guides-empty-card h2 {
  margin: 0 0 8px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.guides-empty-card p {
  margin: 0 0 20px;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-muted);
}

@media (max-width: 1024px) {
  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

@media (max-width: 640px) {
  .guides-hero {
    padding: 40px 0 36px;
  }

  .guides-hub-page .guides-hero {
    padding: 32px 0 28px;
  }

  .guides-hub-page .guides-section {
    padding: 28px 0 24px;
  }

  .guides-hub-essentials {
    padding-top: 16px;
    padding-bottom: 8px;
  }

  .guides-hub-problems-panel {
    padding: 20px 16px 16px;
  }

  .guides-hub-topics {
    gap: 8px;
    margin-top: 12px;
  }

  .guides-hub-topics-chips {
    justify-content: center;
  }

  .guides-hub-search-helper {
    margin-top: 10px;
    font-size: 0.75rem;
  }

  .guides-hub-essentials-grid {
    grid-template-columns: 1fr;
  }

  .guides-hub-problems-grid {
    grid-template-columns: 1fr;
  }

  .guides-hub-featured-grid {
    grid-template-columns: 1fr;
  }

  .guides-hub-bottom-cta-card {
    padding: 24px 18px;
  }

  .guides-hub-bottom-cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .guides-hub-bottom-cta-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .guides-section {
    padding: 36px 0 32px;
  }

  .guides-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .guide-category-card {
    min-height: 0;
    padding: 20px 18px;
  }

  .guides-trust {
    padding-bottom: 48px;
  }

  .guides-trust-grid {
    grid-template-columns: 1fr;
    padding: 16px 18px;
    gap: 8px;
  }

  .guides-trust-item {
    padding: 10px 4px;
  }
}

/* --- Category listing pages --- */
.guides-category-hero-row {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.guides-category-hero-row .guide-category-icon {
  margin-bottom: 0;
}

.guides-category-count-line {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 12px 0 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-muted);
}

.guides-featured {
  padding: 32px 0 16px;
}

.guides-list-section {
  padding: 32px 0 48px;
}

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

.guide-list-card {
  height: 100%;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 220ms ease, box-shadow var(--transition), border-color var(--transition);
}

.guide-list-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: rgba(22, 199, 132, 0.2);
}

.guide-list-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  text-decoration: none;
  color: inherit;
}

.guide-list-card-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 88px;
  flex-shrink: 0;
  padding: 10px 14px;
  background: linear-gradient(135deg, #eef4fb 0%, #f6f9fc 55%, #edf7f3 100%);
  border-bottom: 1px solid var(--color-border-soft);
  overflow: hidden;
}

.guide-list-card-visual::before {
  content: '';
  position: absolute;
  top: -22px;
  right: -14px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  pointer-events: none;
}

.guide-list-card-visual::after {
  content: '';
  position: absolute;
  bottom: -28px;
  left: -12px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  pointer-events: none;
}

.guide-list-card-snippet {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: min(100%, 168px);
  padding: 9px 11px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 11px;
  box-shadow: 0 5px 14px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 220ms ease, box-shadow var(--transition);
}

.guide-list-card-snippet--tilt-a {
  transform: rotate(-2deg);
}

.guide-list-card-snippet--tilt-b {
  transform: rotate(1.75deg);
}

.guide-list-card:hover .guide-list-card-snippet--tilt-a,
.guide-list-card:hover .guide-list-card-snippet--tilt-b {
  transform: rotate(0deg) translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

.guide-list-card-snippet-badge {
  display: inline-flex;
  align-self: flex-start;
  padding: 2px 7px;
  font-size: 0.5625rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-blue);
  background: rgba(0, 102, 255, 0.08);
  border-radius: 5px;
}

.guide-list-card-snippet-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.guide-list-card-snippet-caption {
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.guide-list-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px 18px 18px;
}

/* Topic visual palettes */
.guide-list-card-visual--http-status,
.guide-list-card-visual--headers,
.guide-list-card-visual--dns-records,
.guide-list-card-visual--dkim,
.guide-list-card-visual--ssl-basics,
.guide-list-card-visual--certificates,
.guide-list-card-visual--glossary {
  background: linear-gradient(135deg, #e8f0fe 0%, #f3f7fd 55%, #eef4fb 100%);
}

.guide-list-card-visual--http-status .guide-list-card-snippet-badge,
.guide-list-card-visual--headers .guide-list-card-snippet-badge,
.guide-list-card-visual--dns-records .guide-list-card-snippet-badge,
.guide-list-card-visual--dkim .guide-list-card-snippet-badge,
.guide-list-card-visual--ssl-basics .guide-list-card-snippet-badge,
.guide-list-card-visual--certificates .guide-list-card-snippet-badge,
.guide-list-card-visual--glossary .guide-list-card-snippet-badge,
.guide-list-card-visual--default .guide-list-card-snippet-badge {
  color: #2563eb;
  background: rgba(37, 99, 235, 0.1);
}

.guide-list-card-visual--availability .guide-list-card-snippet-badge,
.guide-list-card-visual--spf .guide-list-card-snippet-badge,
.guide-list-card-visual--routing .guide-list-card-snippet-badge,
.guide-list-card-visual--website-health .guide-list-card-snippet-badge,
.guide-list-card-visual--ssl-https .guide-list-card-snippet-badge,
.guide-list-card-visual--ssl .guide-list-card-snippet-badge {
  color: #059669;
  background: rgba(5, 150, 105, 0.1);
}

.guide-list-card-visual--performance .guide-list-card-snippet-badge,
.guide-list-card-visual--advanced .guide-list-card-snippet-badge,
.guide-list-card-visual--dmarc .guide-list-card-snippet-badge,
.guide-list-card-visual--hosting-vps .guide-list-card-snippet-badge,
.guide-list-card-visual--vps-setup .guide-list-card-snippet-badge {
  color: #7c3aed;
  background: rgba(124, 58, 237, 0.1);
}

.guide-list-card-visual--dns-basics .guide-list-card-snippet-badge,
.guide-list-card-visual--nameservers .guide-list-card-snippet-badge,
.guide-list-card-visual--mx .guide-list-card-snippet-badge,
.guide-list-card-visual--dns-domain .guide-list-card-snippet-badge,
.guide-list-card-visual--dns-zones .guide-list-card-snippet-badge {
  color: #0891b2;
  background: rgba(8, 145, 178, 0.1);
}

.guide-list-card-visual--redirects .guide-list-card-snippet-badge,
.guide-list-card-visual--whois-expiry .guide-list-card-snippet-badge,
.guide-list-card-visual--rdns .guide-list-card-snippet-badge,
.guide-list-card-visual--email-authentication .guide-list-card-snippet-badge {
  color: #d97706;
  background: rgba(217, 119, 6, 0.1);
}

.guide-list-card-visual--troubleshooting .guide-list-card-snippet-badge,
.guide-list-card-visual--caa .guide-list-card-snippet-badge,
.guide-list-card-visual--hsts .guide-list-card-snippet-badge,
.guide-list-card-visual--blacklist-reputation .guide-list-card-snippet-badge,
.guide-list-card-visual--blacklists .guide-list-card-snippet-badge,
.guide-list-card-visual--delisting .guide-list-card-snippet-badge {
  color: #e11d48;
  background: rgba(225, 29, 72, 0.1);
}

.guide-list-card-visual--domain-reputation .guide-list-card-snippet-badge,
.guide-list-card-visual--ip-reputation .guide-list-card-snippet-badge {
  color: #db2777;
  background: rgba(219, 39, 119, 0.1);
}

.guide-list-card-visual--hosting-basics .guide-list-card-snippet-badge,
.guide-list-card-visual--server-security .guide-list-card-snippet-badge {
  color: #4f46e5;
  background: rgba(79, 70, 229, 0.1);
}

.guide-list-card-visual--availability,
.guide-list-card-visual--spf,
.guide-list-card-visual--routing,
.guide-list-card-visual--website-health {
  background: linear-gradient(135deg, #e8f8f1 0%, #f2fbf7 55%, #edf8f3 100%);
}

.guide-list-card-visual--redirects,
.guide-list-card-visual--whois-expiry,
.guide-list-card-visual--rdns,
.guide-list-card-visual--email-authentication {
  background: linear-gradient(135deg, #fef5e7 0%, #fff9f0 55%, #fef7ed 100%);
}

.guide-list-card-visual--performance,
.guide-list-card-visual--advanced,
.guide-list-card-visual--dmarc,
.guide-list-card-visual--hosting-vps,
.guide-list-card-visual--vps-setup {
  background: linear-gradient(135deg, #f1ecfb 0%, #f7f4fd 55%, #f3f0fb 100%);
}

.guide-list-card-visual--dns-basics,
.guide-list-card-visual--nameservers,
.guide-list-card-visual--mx,
.guide-list-card-visual--dns-domain,
.guide-list-card-visual--dns-zones {
  background: linear-gradient(135deg, #e6f6fa 0%, #f1fafc 55%, #eaf7fb 100%);
}

.guide-list-card-visual--troubleshooting,
.guide-list-card-visual--caa,
.guide-list-card-visual--hsts,
.guide-list-card-visual--blacklist-reputation,
.guide-list-card-visual--blacklists,
.guide-list-card-visual--delisting {
  background: linear-gradient(135deg, #fdeef0 0%, #fef5f6 55%, #fdf0f3 100%);
}

.guide-list-card-visual--ssl-https {
  background: linear-gradient(135deg, #e8f8f1 0%, #f0faf6 55%, #e8f0fe 100%);
}

.guide-list-card-visual--default {
  background: linear-gradient(135deg, #eef4fb 0%, #f6f9fc 55%, #edf7f3 100%);
}

[data-theme="dark"] .guide-list-card-visual {
  border-bottom-color: var(--color-border);
  background: linear-gradient(135deg, #0c1526 0%, #0b1628 55%, #07111f 100%);
}

[data-theme="dark"] .guide-list-card-visual::before {
  background: rgba(255, 255, 255, 0.018);
}

[data-theme="dark"] .guide-list-card-visual::after {
  background: rgba(255, 255, 255, 0.01);
}

[data-theme="dark"] .guide-list-card-snippet {
  background: rgba(7, 14, 28, 0.78);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 5px 14px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

[data-theme="dark"] .guide-list-card-snippet-caption {
  color: rgba(148, 163, 184, 0.92);
}

[data-theme="dark"] .guide-list-card:hover .guide-list-card-snippet {
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.34);
}

[data-theme="dark"] .guide-list-card-visual--http-status,
[data-theme="dark"] .guide-list-card-visual--headers,
[data-theme="dark"] .guide-list-card-visual--dns-records,
[data-theme="dark"] .guide-list-card-visual--dkim,
[data-theme="dark"] .guide-list-card-visual--ssl-basics,
[data-theme="dark"] .guide-list-card-visual--certificates,
[data-theme="dark"] .guide-list-card-visual--glossary,
[data-theme="dark"] .guide-list-card-visual--default {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, #0b1628 55%, #07111f 100%);
}

[data-theme="dark"] .guide-list-card-visual--availability,
[data-theme="dark"] .guide-list-card-visual--spf,
[data-theme="dark"] .guide-list-card-visual--routing,
[data-theme="dark"] .guide-list-card-visual--website-health,
[data-theme="dark"] .guide-list-card-visual--ssl-https,
[data-theme="dark"] .guide-list-card-visual--ssl {
  background: linear-gradient(135deg, rgba(5, 150, 105, 0.2) 0%, #0b1628 55%, #07111f 100%);
}

[data-theme="dark"] .guide-list-card-visual--performance,
[data-theme="dark"] .guide-list-card-visual--advanced,
[data-theme="dark"] .guide-list-card-visual--dmarc,
[data-theme="dark"] .guide-list-card-visual--hosting-vps,
[data-theme="dark"] .guide-list-card-visual--vps-setup,
[data-theme="dark"] .guide-list-card-visual--hosting-basics,
[data-theme="dark"] .guide-list-card-visual--server-security {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.22) 0%, #0b1628 55%, #07111f 100%);
}

[data-theme="dark"] .guide-list-card-visual--dns-basics,
[data-theme="dark"] .guide-list-card-visual--nameservers,
[data-theme="dark"] .guide-list-card-visual--mx,
[data-theme="dark"] .guide-list-card-visual--dns-domain,
[data-theme="dark"] .guide-list-card-visual--dns-zones {
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.2) 0%, #0b1628 55%, #07111f 100%);
}

[data-theme="dark"] .guide-list-card-visual--redirects,
[data-theme="dark"] .guide-list-card-visual--whois-expiry,
[data-theme="dark"] .guide-list-card-visual--rdns,
[data-theme="dark"] .guide-list-card-visual--email-authentication {
  background: linear-gradient(135deg, rgba(217, 119, 6, 0.2) 0%, #0b1628 55%, #07111f 100%);
}

[data-theme="dark"] .guide-list-card-visual--troubleshooting,
[data-theme="dark"] .guide-list-card-visual--caa,
[data-theme="dark"] .guide-list-card-visual--hsts,
[data-theme="dark"] .guide-list-card-visual--blacklist-reputation,
[data-theme="dark"] .guide-list-card-visual--blacklists,
[data-theme="dark"] .guide-list-card-visual--delisting {
  background: linear-gradient(135deg, rgba(225, 29, 72, 0.2) 0%, #0b1628 55%, #07111f 100%);
}

[data-theme="dark"] .guide-list-card-visual--domain-reputation,
[data-theme="dark"] .guide-list-card-visual--ip-reputation {
  background: linear-gradient(135deg, rgba(219, 39, 119, 0.2) 0%, #0b1628 55%, #07111f 100%);
}

.guide-list-card-badge {
  display: inline-flex;
  align-self: flex-start;
  padding: 4px 8px;
  margin-bottom: 10px;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 100px;
}

.guide-list-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
}

.guide-list-card p {
  margin: 0 0 14px;
  flex: 1;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--color-muted);
}

.guide-list-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-soft);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted);
}

.guide-list-card-meta span:first-child {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.guide-list-card-cta {
  color: var(--color-accent-dark);
  font-weight: 700;
}

.guides-category-tools {
  padding: 0 0 40px;
}

.guides-category-tools-card {
  padding: 24px 22px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.guides-category-tools-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: start;
}

.guides-category-tools-grid h2 {
  margin: 0 0 6px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.guides-category-tools-grid p {
  margin: 0 0 16px;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-muted);
}

.guides-category-solution {
  padding-left: 28px;
  border-left: 1px solid var(--color-border-soft);
}

.guides-category-tools-card h2 {
  margin: 0 0 6px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.guides-category-tools-card > p {
  margin: 0 0 16px;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.guides-tool-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.guide-tool-chip {
  display: inline-flex;
  padding: 8px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-blue);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-soft);
  border-radius: 100px;
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition);
}

.guide-tool-chip:hover {
  color: var(--color-accent-dark);
  border-color: rgba(22, 199, 132, 0.25);
}

body.guides-category-page .footer-col#resources .footer-links a[href="/guides"] {
  color: var(--color-accent);
  font-weight: 600;
}

@media (max-width: 1024px) {
  .guides-list-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 640px) {
  .guides-category-page--flagship .guides-list-toolbar {
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
  }

  .guides-category-page--flagship .guides-list-status {
    padding-top: 2px;
    border-top: 1px solid var(--color-border-soft);
  }

  .guides-search,
  .guides-search--wide,
  .guides-search--inline {
    flex: 1 1 100%;
    max-width: none;
    min-width: 0;
  }

  .guides-list-controls {
    gap: 10px;
  }

  .guides-list-section .guides-topic-filters {
    flex: 1 1 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .guides-list-section .guides-topic-filters::-webkit-scrollbar {
    display: none;
  }

  .guides-list-section .guides-topic-filter {
    flex-shrink: 0;
  }

  .guides-category-hero-row {
    flex-direction: column;
  }

  .guides-list-grid {
    grid-template-columns: 1fr;
  }

  .guides-learning-path-grid {
    grid-template-columns: 1fr;
  }

  .guides-related-categories-card {
    grid-template-columns: 1fr;
    padding: 20px 18px;
  }

  .guides-related-categories-grid {
    grid-template-columns: 1fr;
  }

  .guides-category-tools-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .guides-category-solution {
    padding-left: 0;
    padding-top: 20px;
    border-left: none;
    border-top: 1px solid var(--color-border-soft);
  }
}