@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600;700&family=Space+Grotesk:wght@400;500;700&display=swap");

:root {
  --bg: #f2f2ee;
  --bg-strong: #e7e7df;
  --surface: rgba(255, 255, 255, 0.94);
  --surface-soft: rgba(255, 255, 255, 0.88);
  --surface-muted: rgba(247, 247, 242, 0.96);
  --ink: #111111;
  --muted: #606066;
  --line: rgba(17, 17, 17, 0.1);
  --line-strong: rgba(17, 17, 17, 0.18);
  --shadow-soft: 0 18px 48px rgba(17, 17, 17, 0.055);
  --shadow-strong: 0 18px 32px rgba(17, 17, 17, 0.09);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --trust-high: #eff5ef;
  --trust-medium: #f5f3ee;
  --trust-none: #f4f4f4;
  --success-line: rgba(70, 102, 76, 0.22);
  --warn-line: rgba(124, 108, 76, 0.22);
  --accent: #dbe7dc;
  --font-sans: "Space Grotesk", "Inter", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", "Menlo", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 255, 255, 0.96), transparent 38%),
    radial-gradient(circle at 100% 0%, rgba(219, 231, 220, 0.36), transparent 32%),
    radial-gradient(circle at 50% 100%, rgba(17, 17, 17, 0.04), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-strong) 100%);
  color: var(--ink);
  font-family: var(--font-sans);
  letter-spacing: 0.01em;
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: #000000;
}

button,
input,
select,
textarea {
  font: inherit;
}

.site-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 18px 44px;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 14px 0 10px;
  background: linear-gradient(180deg, rgba(242, 242, 238, 0.98), rgba(242, 242, 238, 0.9));
  backdrop-filter: blur(12px);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: fit-content;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: #111111;
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-family: var(--font-mono);
}

.brand-text,
.nav-link,
.eyebrow,
.rank-label,
.meta-label,
.caption,
.metric-pill,
.badge,
.status-badge,
.category-badge,
.small-copy,
.copy-head strong,
.button,
.button-secondary,
.copy-button,
.button-inline,
.stat-chip,
.signal-card strong,
.feature-card strong,
.step-card strong,
.docs-card strong,
.mini-card strong,
.hero-metric strong {
  font-family: var(--font-mono);
}

.brand-text {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.35px;
}

.nav-link.active {
  border-color: var(--line-strong);
  background: #111111;
  color: #ffffff;
}

.page {
  padding-top: 18px;
}

.hero-card,
.section-card,
.footer-card,
.copy-card,
.service-card,
.top-card,
.detail-card,
.info-card,
.panel-card {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.hero-card,
.section-card,
.footer-card,
.detail-card,
.panel-card {
  padding: 20px;
}

.copy-card,
.info-card,
.top-card,
.service-card {
  padding: 14px;
}

.hero-card {
  position: relative;
  display: grid;
  gap: 16px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(247, 247, 242, 0.9)),
    radial-gradient(circle at 100% 0%, rgba(219, 231, 220, 0.25), transparent 30%);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: auto -8% -35% auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(219, 231, 220, 0.28), transparent 60%);
  pointer-events: none;
}

.hero-panel,
.audience-card,
.signal-card,
.catalog-note {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.65px;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  font-size: clamp(32px, 6vw, 56px);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(23px, 4vw, 34px);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 19px;
  letter-spacing: -0.02em;
}

h4 {
  font-size: 14px;
  letter-spacing: -0.01em;
}

.lede,
.page-intro,
.muted,
.body-copy,
.card-copy,
.small-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.lede,
.page-intro {
  font-size: 15px;
}

.card-copy,
.body-copy {
  font-size: 13px;
}

.small-copy {
  font-size: 12px;
}

.hero-actions,
.button-row,
.inline-links,
.hero-band,
.trust-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button,
.button-secondary,
.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.35px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.button:hover,
.button-secondary:hover,
.copy-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
  border-color: rgba(17, 17, 17, 0.24);
}

.button.primary {
  background: #111111;
  border-color: #111111;
  color: #ffffff;
}

.button.tertiary,
.button-secondary {
  background: transparent;
}

.section-stack {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.grid-2,
.grid-3,
.grid-4,
.hero-grid,
.audience-grid,
.signal-grid {
  display: grid;
  gap: 12px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3,
.signal-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.hero-grid,
.audience-grid {
  grid-template-columns: minmax(0, 1.25fr) minmax(290px, 0.75fr);
}

.mini-card,
.feature-card,
.step-card,
.docs-card,
.hero-panel,
.audience-card,
.signal-card,
.catalog-note {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-soft);
  padding: 14px;
}

.signal-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 247, 242, 0.92));
}

.feature-card strong,
.step-card strong,
.docs-card strong,
.mini-card strong,
.signal-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.25px;
}

.hero-band {
  margin-top: 14px;
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.28px;
}

.path-list {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.hero-metric {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.78);
}

.hero-metric strong {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.32px;
}

.hero-metric span {
  font-size: 15px;
  line-height: 1.45;
}

.accordion {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-muted);
  overflow: hidden;
}

.accordion + .accordion {
  margin-top: 10px;
}

.accordion summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
}

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

.accordion summary::after {
  content: "+";
  color: var(--muted);
  font-size: 16px;
  line-height: 1;
}

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

.accordion-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line);
}

.accordion-body ul,
.accordion-body ol,
.panel-list,
.step-list,
.detail-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.toolbar {
  position: sticky;
  top: 82px;
  z-index: 30;
  padding: 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
}

.filter-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, minmax(0, 1fr)) auto auto;
  gap: 8px;
}

.field,
.select,
.input,
.button-inline {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: #ffffff;
  color: var(--ink);
  font-size: 13px;
}

.field:focus,
.select:focus,
.input:focus {
  outline: 1px solid #111111;
  border-color: #111111;
}

.button-inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: 700;
}

.button-inline.primary {
  background: #111111;
  border-color: #111111;
  color: #ffffff;
}

.top-grid,
.service-grid {
  display: grid;
  gap: 12px;
}

.top-grid,
.service-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.top-card,
.service-card {
  border-radius: var(--radius-lg);
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.top-card:hover,
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-strong);
  border-color: rgba(17, 17, 17, 0.22);
}

.top-card {
  display: grid;
  gap: 8px;
}

.top-line,
.service-line,
.detail-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.rank-label,
.meta-label,
.caption {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.45px;
  text-transform: uppercase;
}

.metric-pill,
.badge,
.status-badge,
.category-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.25px;
}

.badge.high {
  background: var(--trust-high);
  border-color: var(--success-line);
}

.badge.medium {
  background: var(--trust-medium);
  border-color: var(--warn-line);
}

.badge.none {
  background: var(--trust-none);
}

.status-badge.active {
  background: var(--trust-high);
  border-color: var(--success-line);
}

.status-badge.unverified {
  background: var(--trust-medium);
  border-color: var(--warn-line);
}

.status-badge.deprecated {
  background: var(--trust-none);
}

.monogram {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: #111111;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.4px;
  flex-shrink: 0;
  font-family: var(--font-mono);
}

.service-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.service-copy {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.service-name,
.top-name {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration-thickness: 1px;
}

.service-name {
  font-size: 17px;
}

.service-score,
.top-score,
.detail-score {
  font-size: 22px;
  font-weight: 700;
  white-space: nowrap;
}

.service-card.dim {
  opacity: 0.8;
}

.service-card .body-copy {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta,
.service-meta,
.top-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.copy-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-muted);
  overflow: hidden;
}

.copy-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.copy-head strong {
  font-size: 12px;
  letter-spacing: 0.2px;
}

pre,
code.inline {
  font-family: var(--font-mono);
}

pre {
  margin: 0;
  padding: 14px;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12px;
  line-height: 1.55;
  overflow-x: auto;
}

code,
code.inline {
  background: rgba(17, 17, 17, 0.04);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 5px;
  font-size: 12px;
  font-family: var(--font-mono);
}

.definition-grid {
  display: grid;
  gap: 10px;
}

.definition-row {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.84);
}

.definition-row strong {
  font-size: 12px;
  font-family: var(--font-mono);
}

.inline-help {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-left: 4px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  cursor: help;
  font-family: var(--font-mono);
}

.link-grid {
  display: grid;
  gap: 8px;
}

.link-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.link-row:last-child {
  border-bottom: 0;
}

.link-domain {
  color: var(--muted);
  font-size: 12px;
  word-break: break-word;
  text-align: right;
  font-family: var(--font-mono);
}

.review-list {
  display: grid;
  gap: 10px;
}

.review-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.86);
  padding: 14px;
}

.review-grid,
.metric-grid {
  display: grid;
  gap: 8px;
}

.review-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.metric-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  padding: 10px;
}

.metric-card .caption {
  margin-bottom: 6px;
}

.metric-value {
  font-size: 18px;
  font-weight: 700;
}

.empty-state {
  padding: 14px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.footer-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.footer-card.compact {
  justify-content: center;
}

.footer-card .button-row {
  flex-shrink: 0;
}

@media (max-width: 1080px) {
  .filter-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .top-grid,
  .service-grid,
  .grid-3,
  .grid-4,
  .review-grid,
  .signal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-2,
  .hero-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-shell {
    padding: 0 12px 28px;
  }

  .site-nav {
    padding: 10px 0 8px;
  }

  .nav-row,
  .hero-card,
  .section-card,
  .detail-card,
  .panel-card,
  .footer-card,
  .toolbar {
    padding: 12px;
  }

  .nav-row {
    gap: 10px;
  }

  .nav-brand {
    min-width: auto;
  }

  .brand-text {
    font-size: 12px;
  }

  .nav-link {
    min-height: 36px;
    padding: 8px 10px;
  }

  h1 {
    font-size: clamp(28px, 9vw, 40px);
  }

  h2 {
    font-size: 24px;
  }

  .hero-actions,
  .button-row,
  .footer-card {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .button-secondary,
  .copy-button,
  .button-inline {
    width: 100%;
  }

  .filter-grid,
  .top-grid,
  .service-grid,
  .grid-3,
  .grid-4,
  .review-grid,
  .metric-grid,
  .signal-grid,
  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .service-line,
  .top-line,
  .detail-line,
  .link-row,
  .copy-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .service-score,
  .top-score,
  .detail-score {
    font-size: 18px;
  }

  .link-domain {
    text-align: left;
  }
}