:root {
  --bg: #ffffff;
  --paper: #ffffff;
  --paper-soft: rgba(255, 255, 255, 0.82);
  --ink: #101b33;
  --ink-soft: #55628a;
  --line: #d7deef;
  --line-strong: #c7d3f2;
  --blue: #0137fd;
  --blue-deep: #0021a8;
  --blue-mist: #e6ecff;
  --blue-pale: #f5f7ff;
  --border: #101b33;
  --shadow: none;
  --shadow-soft: none;
  --radius: 10px;
  --content-max: 1120px;
  --mono: "JetBrains Mono", monospace;
  --display: "Space Grotesk", sans-serif;
  --body: "Inter", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
  overflow-wrap: break-word;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font-family: inherit;
}

::selection {
  background: var(--blue);
  color: #fff;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 35px,
    rgba(16, 27, 51, 0.02) 36px
  );
}

main,
header,
footer {
  position: relative;
  z-index: 1;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 16px clamp(16px, 4vw, 40px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.brand-link { width: fit-content; }

.brand-mark { display: none; }

.brand-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand-logo {
  display: block;
  height: 30px;
  width: auto;
}

.brand-tag {
  display: none;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1;
  color: var(--ink-soft);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-link:hover {
  color: var(--blue-deep);
  background: var(--blue-mist);
}

.nav-link-active {
  color: var(--blue-deep);
}

.nav-link-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
}

.nav-cta {
  margin-left: 8px;
  padding: 9px 18px;
  border-radius: 8px;
  background: var(--blue-deep);
  color: #fff;
  border: 1px solid var(--border);
  transition-duration: 0.2s;
}

.nav-cta:hover {
  color: #fff;
  background: var(--blue);
}

.nav-cta::after { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  margin: 0 auto;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.hero,
.page-hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: end;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 24px clamp(16px, 4vw, 40px) 30px;
}

.eyebrow {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--blue);
}

.hero h1,
.page-hero h1 {
  margin: 0 0 20px;
  font-family: var(--display);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--blue-deep);
}

.hero-sub,
.page-sub {
  margin: 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.hero-features,
.page-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.feature-pill,
.page-tag {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--blue-deep);
}

.hero-stat,
.page-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 22px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.hero-stat {
  transform: none;
}

.hero-stat-number,
.page-stat-number {
  font-family: var(--mono);
  font-size: clamp(44px, 6vw, 60px);
  font-weight: 700;
  line-height: 1;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.hero-stat-label,
.page-stat-label {
  font-size: 13px;
  color: var(--ink-soft);
}

.overview-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 0 clamp(16px, 4vw, 40px) 8px;
}

.overview-card,
.info-card,
.feature-card,
.stack-card,
.page-card,
.detail-card,
.faq-item {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
}

.overview-card {
  padding: 18px 20px;
}

.overview-card strong {
  display: block;
  margin-top: 6px;
  font-family: var(--display);
  font-size: 20px;
  color: var(--blue-deep);
}

.overview-card p {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.overview-kicker {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.section-shell {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 34px clamp(16px, 4vw, 40px);
}

.section-shell + .section-shell {
  padding-top: 8px;
}

.section-intro,
.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 22px;
}

.section-intro h2,
.panel-title,
.split-copy h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.03em;
  color: var(--blue-deep);
}

.section-copy,
.panel-copy {
  max-width: 60ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.context-section {
  padding-top: 10px;
}

.card-grid,
.page-grid,
.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.info-card,
.feature-card,
.page-card,
.detail-card {
  padding: 22px;
}

.info-card h3,
.feature-card h3,
.page-card h3,
.detail-card h3,
.stack-card p {
  margin: 0;
}

.info-card h3,
.feature-card h3,
.page-card h3,
.detail-card h3 {
  font-family: var(--display);
  font-size: 20px;
  color: var(--blue-deep);
}

.info-card p,
.feature-card p,
.page-card p,
.detail-card p,
.stack-card p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.faq-accordion {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 52px 18px 20px;
  font-family: var(--display);
  font-size: 19px;
  font-weight: 600;
  color: var(--blue-deep);
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 20px;
  color: var(--blue);
}

.faq-item[open] summary::after {
  content: "-";
}

.faq-item p {
  margin: 0;
  padding: 0 20px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.info-index {
  display: inline-flex;
  margin-bottom: 18px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--blue);
}

.workspace {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  align-items: start;
}

.panel {
  padding: 24px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper);
}

.tool-page {
  display: flex;
  justify-content: center;
  padding: 36px clamp(16px, 4vw, 40px) 56px;
}

.tool-page-inner {
  width: 100%;
  max-width: var(--content-max);
}

.tool-container {
  width: 100%;
  border: none;
  padding: 20px;
}

.results-block {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.about-blurb {
  margin-top: 36px;
}

.about-blurb h2,
.mini-faq h2 {
  margin: 0 0 10px;
  font-family: var(--display);
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--blue-deep);
}

.about-blurb p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.mini-faq {
  margin-top: 32px;
}

.mini-faq-item {
  border-bottom: 1px solid var(--line);
}

.mini-faq-item:first-of-type {
  border-top: 1px solid var(--line);
}

.mini-faq-item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 14px 28px 14px 2px;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.mini-faq-item summary::-webkit-details-marker {
  display: none;
}

.mini-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 18px;
  color: var(--blue);
}

.mini-faq-item[open] summary::after {
  content: "-";
}

.mini-faq-item p {
  margin: 0;
  padding: 0 28px 14px 2px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-lead {
  max-width: 760px;
  margin-bottom: 20px;
}

.page-lead h1 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--blue-deep);
}

.lead-copy {
  margin: 0 0 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.byline {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
}

.content-section {
  margin-top: 34px;
}

.content-section h2 {
  margin: 0 0 10px;
  font-family: var(--display);
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--blue-deep);
}

.content-section p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.content-section ol,
.content-section ul {
  margin: 0 0 12px;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.content-section li {
  margin-bottom: 6px;
}

.content-section table {
  width: 100%;
  margin: 0 0 14px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.content-section th,
.content-section td {
  padding: 8px 10px;
  border: 1px solid var(--line);
  text-align: left;
  color: var(--ink-soft);
}

.content-section th {
  background: var(--blue-pale);
  color: var(--blue-deep);
  font-weight: 700;
}

.callout-box {
  margin: 14px 0;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--blue-pale);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--blue-deep);
}

.breadcrumb-nav {
  margin-bottom: 16px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.breadcrumb-nav a {
  color: var(--blue-deep);
  font-weight: 600;
}

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

.related-links {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.related-links h2 {
  margin: 0 0 10px;
  font-family: var(--display);
  font-size: 15px;
  color: var(--ink);
}

.related-links-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

.related-card {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.related-card:hover {
  border-color: var(--blue);
  background: var(--blue-pale);
}

.related-card-tag {
  display: inline-block;
  width: fit-content;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--blue-mist);
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.related-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.related-card-desc {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 4px;
  margin-bottom: 14px;
  padding: 4px;
  border-radius: 8px;
  background: var(--blue-mist);
}

.tab {
  border: none;
  border-radius: 6px;
  background: transparent;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.25s ease;
}

.tab.active {
  background: var(--blue-deep);
  color: #fff;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

textarea {
  width: 100%;
  min-height: 240px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  background: #fbfcff;
  outline: none;
  transition: border-color 0.2s ease;
}

textarea:focus {
  border-color: var(--blue);
}

.site-panel {
  min-height: 220px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcff;
}

.field-label {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-deep);
}

.url-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.url-row input {
  flex: 1;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  outline: none;
}

.url-row input:focus {
  border-color: var(--blue);
}

.field-help {
  max-width: 62ch;
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 220px;
  padding: 20px;
  border: 1.5px dashed var(--blue);
  border-radius: 8px;
  background: var(--blue-mist);
  color: var(--blue-deep);
  cursor: pointer;
  text-align: center;
  transition: background 0.2s ease, transform 0.2s ease;
}

.dropzone:hover {
  background: #dde7ff;
}

.dropzone.dragover {
  background: #d0deff;
  transform: scale(1.01);
}

.dz-title {
  font-size: 15px;
  font-weight: 600;
}

.dz-sub {
  font-size: 12.5px;
  color: var(--ink-soft);
}

.file-status {
  margin: 12px 2px 0;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-soft);
}

.panel-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 9px 18px;
  background-color: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: filter 0.15s ease, background-color 0.15s ease;
}

.btn:hover {
  filter: brightness(0.94);
}

.btn:disabled {
  opacity: 0.65;
  cursor: wait;
  filter: none;
}

.btn:active {
  filter: brightness(0.88);
}

.btn-primary {
  background-color: var(--blue-deep);
}

.btn-secondary {
  background: #fff;
  color: var(--blue-deep);
}

.switch-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  font-size: 13px;
  color: var(--ink-soft);
}

.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
}

.switch input {
  width: 0;
  height: 0;
  opacity: 0;
}

.slider {
  position: absolute;
  inset: 0;
  cursor: pointer;
  background-color: var(--line);
  border-radius: 30px;
  transition: 0.25s;
}

.slider::before {
  content: "";
  position: absolute;
  left: 3px;
  bottom: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: #fff;
  border: 1px solid var(--line);
  transition: 0.25s;
}

.switch input:checked + .slider {
  background-color: var(--blue);
}

.switch input:checked + .slider::before {
  transform: translateX(18px);
}

.stats-title {
  margin: 0 0 18px;
  font-family: var(--display);
  font-size: 18px;
}

.stats-title-note {
  font-family: var(--body);
  font-size: 12.5px;
  font-weight: 400;
  color: var(--ink-soft);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.stat-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcff;
}

.stat-value {
  font-family: var(--mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--blue-deep);
  font-variant-numeric: tabular-nums;
  overflow-wrap: break-word;
  word-break: break-word;
}

.stat-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.density-title {
  margin: 0 0 12px;
  font-family: var(--display);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.insights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.insight-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcff;
}

.source-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 18px;
  margin: 0;
}

.source-meta div {
  min-width: 0;
}

.source-meta dt {
  margin-bottom: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.source-meta dd {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-deep);
  word-break: break-word;
}

.highlight-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.highlight-pill,
.highlight-empty {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 12.5px;
}

.highlight-pill {
  border: 1px solid #d4defd;
  background: var(--blue-mist);
  color: var(--blue-deep);
  font-weight: 600;
}

.highlight-empty {
  background: #f4f7ff;
  color: var(--ink-soft);
}

.density-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.density-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
}

.density-word {
  min-width: 90px;
  font-family: var(--mono);
  color: var(--ink);
}

.density-bar-track {
  flex: 1;
  height: 8px;
  border-radius: 6px;
  background: var(--blue-mist);
  overflow: hidden;
}

.density-bar-fill {
  height: 100%;
  border-radius: 6px;
  background: var(--blue);
  transition: width 0.3s ease;
}

.media-progress {
  display: none;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.media-progress.active {
  display: flex;
}

.media-progress-track {
  flex: 1;
  height: 8px;
  border-radius: 6px;
  background: var(--blue-mist);
  overflow: hidden;
}

.media-progress-fill {
  height: 100%;
  border-radius: 6px;
  background: var(--blue);
  transition: width 0.15s ease;
}

.media-progress-fill.indeterminate {
  width: 40% !important;
  animation: media-progress-slide 1.1s ease-in-out infinite;
}

@keyframes media-progress-slide {
  0% { margin-left: -40%; }
  100% { margin-left: 100%; }
}

.media-progress-label {
  min-width: 78px;
  text-align: right;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
}

.density-count {
  min-width: 18px;
  text-align: right;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-soft);
}

.density-empty {
  font-size: 13px;
  color: var(--ink-soft);
}

.split-section,
.page-split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 22px;
  align-items: start;
}

.bullet-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.bullet-list li {
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--blue-pale);
  font-size: 14px;
  color: var(--blue-deep);
}

.stack-grid {
  display: grid;
  gap: 16px;
}

.stack-card {
  padding: 22px;
}

.stack-kicker {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-hero {
  padding-bottom: 24px;
}

.page-hero .page-stat {
  background: linear-gradient(180deg, #ffffff 0%, #f5f8ff 100%);
}

.site-footer {
  background: var(--blue-pale);
  border-top: 1px solid var(--line);
}

.site-footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 32px clamp(16px, 4vw, 40px) 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
  gap: 24px;
}

.footer-grid > div {
  min-width: 0;
}

.footer-copy-contact {
  margin: 10px 0 0;
  font-size: 13px;
}

.footer-copy-contact a {
  color: var(--blue-deep);
  font-weight: 700;
}

.footer-copy-contact a:hover {
  text-decoration: underline;
}

.footer-brand {
  margin-bottom: 12px;
}

.footer-title {
  margin: 0 0 12px;
  font-family: var(--display);
  font-size: 18px;
  color: var(--blue-deep);
}

.footer-copy {
  max-width: 36ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  width: fit-content;
  font-size: 14px;
  color: var(--ink-soft);
}

.footer-links a:hover {
  color: var(--blue-deep);
}

.foot {
  margin: 18px 0 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-soft);
}

.site-footer-mini {
  padding: 40px clamp(16px, 4vw, 40px) 24px;
  border-top: 1px solid var(--line);
  background: var(--blue-pale);
}

.site-footer-mini-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 28px;
}

.site-footer-mini-inner > div {
  min-width: 0;
}

.footer-col-brand .footer-logo {
  display: block;
  height: 26px;
  width: auto;
  margin-bottom: 12px;
}

.footer-tagline {
  margin: 0 0 12px;
  max-width: 30ch;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.footer-contact {
  margin: 0;
  font-size: 13px;
}

.footer-contact a {
  color: var(--blue-deep);
  font-weight: 700;
}

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

.footer-col h3 {
  margin: 0 0 10px;
  font-family: var(--display);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.footer-col-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-col-links a {
  font-size: 13.5px;
  color: var(--ink-soft);
  width: fit-content;
}

.footer-col-links a:hover {
  color: var(--blue-deep);
}

.footer-bottom {
  grid-column: 1 / -1;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  text-align: center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
}

@media (max-width: 880px) {
  .site-footer-mini-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 540px) {
  .site-footer-mini-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .workspace,
  .split-section,
  .page-split {
    grid-template-columns: 1fr;
  }

  .hero-stat {
    transform: none;
  }

  .card-grid,
  .faq-grid,
  .page-grid,
  .detail-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 880px) {
  .main-nav {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px clamp(16px, 4vw, 40px) 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }

  .nav-link { text-align: left; }
  .nav-link-active::after { display: none; }

  .nav-cta {
    margin-left: 0;
    margin-top: 6px;
    text-align: center;
  }

  .nav-toggle { display: flex; }

  .topbar-inner { flex-wrap: wrap; }

  .hero,
  .page-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .hero,
  .page-hero {
    padding-top: 28px;
    padding-bottom: 24px;
  }

  .overview-strip,
  .card-grid,
  .page-grid,
  .detail-grid,
  .footer-grid,
  .stat-grid,
  .insights-grid,
  .source-meta {
    grid-template-columns: 1fr;
  }

  .section-intro,
  .panel-heading {
    flex-direction: column;
    align-items: start;
  }

  .tabs {
    display: flex;
    flex-wrap: nowrap;
    border-radius: 8px;
  }

  .tab {
    flex: 1 1 0;
    padding: 8px 6px;
    font-size: 12px;
    text-align: center;
    white-space: nowrap;
  }

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

  .switch-row {
    justify-content: space-between;
    margin-left: 0;
  }

  .url-row {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 540px) {
  .topbar,
  .section-shell,
  .hero,
  .page-hero,
  .site-footer-inner {
    padding-left: 18px;
    padding-right: 18px;
  }

  .main-nav {
    border-radius: 8px;
  }

  .nav-link {
    flex: 1 1 calc(50% - 8px);
  }

  .panel,
  .footer-grid {
    padding: 18px;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

a:focus-visible,
button:focus-visible,
textarea:focus-visible,
input:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}