:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --surface-alt: #e9f0f8;
  --text: #102237;
  --muted: #4d5f75;
  --primary: #0b4f84;
  --primary-strong: #07385e;
  --accent: #f4a62a;
  --border: #d3deea;
  --shadow: 0 18px 45px rgba(8, 38, 66, 0.08);
  --radius: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  line-height: 1.55;
  background:
    radial-gradient(circle at 15% -10%, #dbe9f8 0%, transparent 42%),
    radial-gradient(circle at 85% -15%, #eaf3ff 0%, transparent 38%),
    var(--bg);
}

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

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

code {
  font-family: "Cascadia Code", Consolas, monospace;
  background: #edf4fd;
  border: 1px solid #d8e4f2;
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

.top-strip {
  background: var(--primary-strong);
  color: #f0f7ff;
  font-size: 0.95rem;
}

.top-strip a {
  color: #f6ca77;
  text-decoration: none;
}

.top-strip-inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.top-strip p {
  margin: 0;
  font-weight: 600;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(243, 246, 251, 0.88);
  border-bottom: 1px solid rgba(13, 56, 93, 0.08);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(11, 79, 132, 0.2);
}

.brand span {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.38rem;
  letter-spacing: 0.2px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.site-nav a {
  text-decoration: none;
  color: #204462;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: #deebf8;
}

.breadcrumbs {
  border-bottom: 1px solid rgba(162, 184, 208, 0.35);
  background: rgba(255, 255, 255, 0.66);
}

.breadcrumb-list {
  margin: 0;
  padding: 0.65rem 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: #4f6278;
  font-size: 0.92rem;
}

.breadcrumb-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.breadcrumb-list li + li::before {
  content: "/";
  color: #7a8fa8;
  margin-right: 0.1rem;
}

.breadcrumb-list a {
  color: #2d567b;
  text-decoration: none;
}

.breadcrumb-list a:hover,
.breadcrumb-list a:focus-visible {
  text-decoration: underline;
}

.hero,
.page-hero {
  padding: clamp(3.8rem, 7vw, 6.2rem) 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

h1,
h2,
h3 {
  font-family: "Source Serif 4", Georgia, serif;
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(2.05rem, 5vw, 3.2rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.45rem, 3vw, 2rem);
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 0.55rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  letter-spacing: 0.08em;
  font-size: 0.84rem;
  text-transform: uppercase;
  font-weight: 700;
  color: #2f648f;
}

.hero-copy {
  max-width: 64ch;
}

.hero-panel {
  background: linear-gradient(160deg, #f7fbff 0%, #ebf3fc 100%);
  border: 1px solid #d8e4f1;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem 1.25rem;
}

.hero-panel ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.25rem 0 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.72rem 1.15rem;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: 0;
  cursor: pointer;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #0b4f84 0%, #0a3e68 100%);
  box-shadow: 0 10px 24px rgba(9, 63, 106, 0.24);
}

.btn-secondary {
  color: #1d4667;
  background: #e2edf8;
}

.section {
  padding: 2.6rem 0;
}

.section-tight {
  padding: 0.9rem 0 1.25rem;
}

.section-alt {
  background: linear-gradient(180deg, rgba(233, 240, 248, 0.35) 0%, rgba(233, 240, 248, 0.65) 100%);
  border-block: 1px solid rgba(162, 184, 208, 0.35);
}

.section-copy {
  color: var(--muted);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.stats-grid,
.card-grid {
  margin-top: 1.1rem;
  display: grid;
  gap: 1rem;
}

.top-image-grid {
  display: grid;
  gap: 0.15rem;
  grid-template-columns: repeat(auto-fit, minmax(84px, 1fr));
}

.top-image-link {
  display: block;
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid #d8e4f0;
  background: #fff;
}

.top-image-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
}

.card-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.stat-card,
.simple-card,
.tool-chip,
.product-card,
.subcategory-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  animation: fade-up 0.34s ease both;
}

.simple-card p,
.tool-chip p {
  margin: 0.45rem 0 0;
}

.simple-card h2,
.simple-card h3,
.tool-chip h3 {
  margin-bottom: 0;
}

.small-text,
.fine-print,
.form-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.byline {
  margin-top: 0.75rem;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.filter-row label {
  font-weight: 700;
  color: #203d57;
}

.filter-row input {
  min-width: min(420px, 100%);
  border: 1px solid #bfd0e2;
  border-radius: 10px;
  padding: 0.65rem 0.8rem;
  background: #fff;
}

.btn-small {
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
}

.filter-count {
  margin-left: auto;
  font-weight: 700;
  color: #35556f;
}

.chip-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.tool-rank {
  display: inline-flex;
  min-width: 1.9rem;
}

.prose {
  max-width: 78ch;
}

.prose p {
  margin: 0.7rem 0;
}

.checklist {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
}

.checklist li {
  margin-bottom: 0.4rem;
}

.winner-list {
  margin: 0;
  padding-left: 1.1rem;
  columns: 2;
  gap: 1.5rem;
}

.winner-list li {
  break-inside: avoid;
  margin-bottom: 0.5rem;
}

.tool-toc {
  margin-top: 1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid #d6e1ec;
  border-radius: 12px;
  background: #fff;
}

.tool-toc-title {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 800;
  color: #28445d;
}

.tool-toc-list {
  margin: 0;
  padding-left: 1rem;
  columns: 3;
  column-gap: 1.1rem;
}

.tool-toc-list li {
  break-inside: avoid;
  margin-bottom: 0.25rem;
}

.tool-toc-link {
  color: #1d4566;
  text-decoration: none;
  font-weight: 600;
}

.tool-toc-link:hover,
.tool-toc-link:focus-visible {
  color: #0f3554;
  text-decoration: underline;
}

.subcategory-grid {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.subcategory-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  scroll-margin-top: 130px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

.toc-target {
  scroll-margin-top: 130px;
}

.subcategory-card.is-focused-card {
  border-color: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.28), var(--shadow);
  animation: card-focus 1.5s ease;
}

.subcategory-image-link {
  display: block;
  border-radius: 12px;
  border: 1px solid #d8e4f0;
  background: #fff;
  overflow: hidden;
}

.subcategory-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  padding: 0.4rem;
}

.subcategory-bullets {
  margin: 0;
  padding-left: 1.1rem;
}

.subcategory-bullets li {
  margin-bottom: 0.4rem;
}

.product-grid {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: #ecf3fb;
  color: #1f4969;
  border: 1px solid #cbdaea;
  text-decoration: none;
}

a.pill:hover,
a.pill:focus-visible {
  background: #dfeaf8;
}

.product-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #fff;
  border: 1px solid #d8e4f0;
  border-radius: 12px;
  padding: 0.5rem;
}

.product-cta {
  margin-top: auto;
}

.link-list {
  margin: 0;
  padding-left: 1.2rem;
}

.faq-grid {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0.95rem 1rem;
}

.faq-item h3 {
  margin-bottom: 0.45rem;
}

.faq-item p {
  margin: 0;
}

.definition-pane {
  position: relative;
  overflow: hidden;
  background: linear-gradient(150deg, #fffef9 0%, #f3f8ff 100%);
  border: 1px solid #d5e0ed;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.05rem 1.15rem;
}

.definition-pane::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(180deg, #f0a833 0%, #2f6c9b 100%);
}

.definition-label {
  margin: 0 0 0.4rem;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #5b6f85;
  font-weight: 700;
}

.definition-dl {
  margin: 0;
}

.definition-dl dt {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.24rem;
  font-weight: 700;
  color: #112b43;
}

.definition-pos {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  border: 1px solid #cfdeec;
  background: #edf4fc;
  color: #55697f;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.definition-dl dd {
  margin: 0.62rem 0 0;
  padding-left: 0.85rem;
  border-left: 3px solid #d3dfec;
  color: #22394f;
}

.definition-meta {
  margin: 0.8rem 0 0;
  color: #2d4962;
  font-size: 0.95rem;
}

.columns-2 {
  columns: 2;
}

.callout {
  background: linear-gradient(160deg, #f7fbff 0%, #ebf3fc 100%);
  border: 1px solid #d2dfed;
  border-radius: var(--radius);
  padding: 1.2rem;
}

.newsletter-form label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.newsletter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.newsletter-controls input {
  flex: 1 1 230px;
  border: 1px solid #bed0e1;
  border-radius: 10px;
  padding: 0.62rem 0.72rem;
}

.newsletter-controls button {
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #17293b;
  font-weight: 700;
  padding: 0.62rem 1rem;
  cursor: pointer;
}

.text-link {
  font-weight: 700;
}

.site-footer {
  margin-top: 2rem;
  background: #13293f;
  color: #dce8f5;
  padding: 2.3rem 0 1.35rem;
}

.site-footer a {
  color: #f6ca77;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 1.4rem;
}

.site-footer h2 {
  margin-bottom: 0.6rem;
}

.site-footer ul {
  margin: 0;
  padding-left: 1.1rem;
}

.legal-row {
  border-top: 1px solid rgba(211, 222, 234, 0.2);
  margin-top: 1.15rem;
  padding-top: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.status-banner {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  max-width: 380px;
  border-radius: 12px;
  border: 1px solid #c6d7e8;
  background: #ffffff;
  color: #17354f;
  box-shadow: var(--shadow);
  padding: 0.85rem 0.95rem;
  z-index: 60;
}

.status-success {
  border-color: #8ec3a8;
  background: #f1fbf4;
}

.status-error {
  border-color: #df9ea0;
  background: #fff5f5;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes card-focus {
  0% {
    transform: translateY(0);
  }
  35% {
    transform: translateY(-2px);
  }
  100% {
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .tool-toc-list {
    columns: 2;
  }

  .columns-2,
  .winner-list {
    columns: 1;
  }
}

@media (max-width: 640px) {
  .site-nav {
    width: 100%;
  }

  .site-nav a {
    font-size: 0.92rem;
    padding: 0.45rem 0.55rem;
  }

  .top-strip-inner {
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0.45rem 0;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-count {
    width: 100%;
    margin-left: 0;
  }

  .tool-toc-list {
    columns: 1;
  }
}