/* ----------------------------------------------------------------
   Tidy Index — landing styles (editorial revision)

   The site is a typeset document, not a SaaS template.
   Light palette, generous space, serif headlines, monospace
   labels, hairline rules.
---------------------------------------------------------------- */

:root {
  --c-bg:           #ffffff;
  --c-bg-soft:      #f7f9fc;
  --c-bg-tint:      #eef4fb;

  --c-rule:         #e3ecf5;
  --c-rule-strong:  #cbd6e6;

  --c-ink:          #0b1f3a;
  --c-ink-soft:     #3b4f6b;
  --c-ink-mute:     #6b7c93;

  --c-blue:         #2563eb;
  --c-blue-deep:    #1d4ed8;
  --c-blue-soft:    #dbeafe;
  --c-blue-tint:    #eef4ff;

  --shadow-sm:      0 1px 2px rgba(15, 38, 73, 0.04);
  --shadow-md:      0 8px 28px -10px rgba(37, 99, 235, 0.18),
                    0 2px 6px rgba(15, 38, 73, 0.05);

  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      18px;

  --font-serif:     'Fraunces', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  --font-sans:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                    Helvetica, Arial, sans-serif;
  --font-mono:      'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo,
                    Consolas, monospace;

  --max-w:          960px;
  --max-w-wide:     1080px;
  --gutter:         clamp(20px, 4vw, 40px);
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--c-blue);
  text-decoration: none;
  transition: color 160ms ease;
}
a:hover { color: var(--c-blue-deep); }

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

::selection {
  background: var(--c-blue-soft);
  color: var(--c-ink);
}

/* ---------- layout ---------- */

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.container-wide {
  max-width: var(--max-w-wide);
}

.section {
  padding: 96px 0;
  border-top: 1px solid var(--c-rule);
}

.section:first-of-type { border-top: 0; }

.section-soft {
  background: var(--c-bg-soft);
}

/* ---------- shared element styles ---------- */

.section-marker {
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--c-blue);
  text-transform: lowercase;
}

.section-headline {
  margin: 0 0 28px;
  font-family: var(--font-serif);
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
  font-weight: 400;
  font-size: clamp(32px, 4.6vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--c-ink);
  max-width: 22ch;
}

.section-headline em {
  font-style: italic;
  font-variation-settings: 'opsz' 144, 'SOFT' 100;
  color: var(--c-blue);
}

.section-body {
  margin: 0 0 48px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--c-ink-soft);
  max-width: 60ch;
}

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--c-bg-soft);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--c-ink);
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--c-rule);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-variation-settings: 'opsz' 24;
  font-weight: 500;
  font-size: 19px;
  letter-spacing: -0.005em;
  color: var(--c-ink);
}
.brand:hover { color: var(--c-blue); }

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  color: var(--c-blue);
}
.brand-mark svg { width: 22px; height: 22px; }

.header-meta {
  display: flex;
  align-items: center;
  gap: 28px;
}

.header-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--c-ink-mute);
  text-transform: lowercase;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18);
}

.header-cta {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-ink);
  letter-spacing: 0.01em;
  border-bottom: 1px solid var(--c-ink);
  padding-bottom: 1px;
  transition: color 160ms ease, border-color 160ms ease;
}
.header-cta:hover {
  color: var(--c-blue);
  border-color: var(--c-blue);
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 180ms ease;
  letter-spacing: -0.005em;
}

.btn svg {
  width: 17px;
  height: 17px;
}

.btn-primary {
  background: var(--c-ink);
  color: #fff;
  box-shadow: 0 6px 18px -8px rgba(11, 31, 58, 0.5);
}
.btn-primary:hover {
  background: var(--c-blue);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 22px -8px rgba(37, 99, 235, 0.5);
}

.btn-lg {
  padding: 16px 26px;
  font-size: 16px;
}
.btn-lg svg {
  width: 18px;
  height: 18px;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--c-ink-soft);
  border-bottom: 1px solid var(--c-rule-strong);
  padding-bottom: 1px;
}
.btn-link:hover {
  color: var(--c-blue);
  border-color: var(--c-blue);
}

/* ---------- hero ---------- */

.hero {
  padding: 140px 0 110px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(closest-side, rgba(96, 165, 250, 0.20), rgba(96, 165, 250, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-headline {
  margin: 0 0 32px;
  font-family: var(--font-serif);
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
  font-weight: 400;
  font-size: clamp(44px, 7.4vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--c-ink);
  max-width: 14ch;
}

.hero-headline em {
  font-style: italic;
  font-variation-settings: 'opsz' 144, 'SOFT' 100;
  color: var(--c-blue);
  font-weight: 400;
}

.hero-sub {
  margin: 0 0 44px;
  font-size: 20px;
  line-height: 1.55;
  color: var(--c-ink-soft);
  max-width: 56ch;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

/* ---------- record demo ---------- */

.record {
  margin-top: 8px;
  background: #fff;
  border: 1px solid var(--c-rule);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.record-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 26px;
  background: var(--c-bg-soft);
  border-bottom: 1px solid var(--c-rule);
}

.record-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
}

.record-id {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--c-ink);
  background: transparent;
  padding: 0;
}

.record-meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-ink-mute);
}

.record-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  border-top: 1px solid var(--c-rule);
}

.record-row:first-of-type {
  border-top: 0;
}

.record-tag {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 24px 26px;
  background: #fff;
  border-right: 1px solid var(--c-rule);
}

.tag-name {
  font-family: var(--font-serif);
  font-variation-settings: 'opsz' 36, 'SOFT' 50;
  font-weight: 500;
  font-size: 22px;
  font-style: italic;
  color: var(--c-blue);
  margin-bottom: 4px;
}

.tag-mime {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--c-ink-mute);
}

.tag-note {
  display: block;
  margin-top: 10px;
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.4;
  color: var(--c-ink-mute);
  max-width: 18ch;
}

.record-body {
  margin: 0;
  padding: 22px 26px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-ink-soft);
  background: #fff;
  overflow-x: auto;
  white-space: pre;
}
.record-body code {
  background: transparent;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.tk-k { color: #2563eb; }
.tk-s { color: #0f766e; }
.tk-n { color: #b45309; }
.tk-p { color: #94a3b8; }
.tk-x { color: #7c3aed; }
.tk-c { color: #cbd6e6; }

/* ---------- catalog (dataset coverage widget) ---------- */

.catalog {
  margin: 8px 0 22px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--c-rule-strong);
  border-bottom: 1px solid var(--c-rule);
}

.catalog-col {
  padding: 30px 24px;
  border-right: 1px solid var(--c-rule);
}

.catalog-col:first-child { padding-left: 0; }
.catalog-col:last-child {
  border-right: 0;
  padding-right: 0;
}

.catalog-cat {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.07em;
  color: var(--c-blue);
  text-transform: lowercase;
  margin-bottom: 18px;
}

.catalog-window {
  position: relative;
  height: 188px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    #000 14%,
    #000 86%,
    transparent 100%
  );
          mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    #000 14%,
    #000 86%,
    transparent 100%
  );
}

.catalog-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
  animation: catalog-scroll 64s linear infinite;
  will-change: transform;
}

.catalog-col:hover .catalog-list {
  animation-play-state: paused;
}

/* Stagger speeds slightly so columns don't move in lockstep */
.catalog-col:nth-child(1) .catalog-list { animation-duration: 58s; }
.catalog-col:nth-child(2) .catalog-list { animation-duration: 72s; }
.catalog-col:nth-child(3) .catalog-list { animation-duration: 64s; }
.catalog-col:nth-child(4) .catalog-list { animation-duration: 68s; }

@keyframes catalog-scroll {
  from { transform: translateY(0); }
  to   { transform: translateY(-50%); }
}

.catalog-list li {
  font-family: var(--font-serif);
  font-variation-settings: 'opsz' 14, 'SOFT' 30;
  font-weight: 400;
  font-size: 15px;
  line-height: 1.3;
  color: var(--c-ink);
}

.catalog-more {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--c-ink-mute);
  text-align: right;
}
.catalog-more strong {
  font-weight: 500;
  color: var(--c-blue);
}

/* ---------- CTA section ---------- */

.section-cta {
  padding: 110px 0 130px;
}

.cta-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-top: 56px;
  border-top: 1px solid var(--c-rule-strong);
  position: relative;
}

.cta-block::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 80px;
  height: 2px;
  background: var(--c-blue);
}

.cta-block .section-marker { margin-bottom: 14px; }
.cta-block .section-headline { margin: 0; }

.cta-agents {
  margin: 24px 0 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-ink-mute);
}

.cta-agents-label {
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--c-blue);
}

.cta-agents a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-ink);
  border-bottom: 1px solid var(--c-rule-strong);
  padding-bottom: 1px;
  transition: color 160ms ease, border-color 160ms ease;
}
.cta-agents a code {
  background: transparent;
  padding: 0;
  font-size: 12px;
  color: inherit;
}
.cta-agents a:hover {
  color: var(--c-blue);
  border-color: var(--c-blue);
}

.cta-agents-note {
  font-style: italic;
  color: var(--c-ink-mute);
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--c-rule);
  background: var(--c-bg);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-line {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--c-ink-soft);
}
.footer-line .brand-mark { color: var(--c-blue); }
.footer-line .brand-mark svg { width: 18px; height: 18px; }

.footer-name {
  font-family: var(--font-serif);
  font-variation-settings: 'opsz' 24;
  font-weight: 500;
  color: var(--c-ink);
}

.footer-tagline {
  font-style: italic;
  color: var(--c-ink-mute);
}

.footer-sep {
  color: var(--c-rule-strong);
}

.footer-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-ink-mute);
}
.footer-meta a {
  color: var(--c-ink-soft);
  border-bottom: 1px solid var(--c-rule-strong);
}
.footer-meta a:hover {
  color: var(--c-blue);
  border-color: var(--c-blue);
}

/* ---------- responsive ---------- */

@media (max-width: 1020px) {
  .catalog {
    grid-template-columns: repeat(2, 1fr);
    border-bottom: 0;
  }
  .catalog-col {
    padding: 28px 24px;
    border-right: 1px solid var(--c-rule);
    border-bottom: 1px solid var(--c-rule);
  }
  .catalog-col:first-child { padding-left: 24px; }
  .catalog-col:last-child {
    border-right: 1px solid var(--c-rule);
    padding-right: 24px;
  }
  .catalog-col:nth-child(2n) { border-right: 0; padding-right: 0; }
  .catalog-col:nth-child(2n+1) { padding-left: 0; }
  .catalog-col:nth-last-child(-n+2) { border-bottom: 0; }
}

@media (max-width: 820px) {
  .section { padding: 72px 0; }
  .hero { padding: 90px 0 70px; }
  .section-cta { padding: 80px 0 100px; }

  .record-row {
    grid-template-columns: 1fr;
  }
  .record-tag {
    flex-direction: row;
    align-items: baseline;
    gap: 12px;
    padding: 16px 22px;
    border-right: 0;
    border-bottom: 1px solid var(--c-rule);
    background: var(--c-bg-soft);
  }
  .tag-name { margin-bottom: 0; font-size: 18px; }

  .cta-block {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 620px) {
  .catalog {
    grid-template-columns: 1fr;
  }
  .catalog-col {
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid var(--c-rule);
  }
  .catalog-col:first-child { padding-top: 24px; }
  .catalog-col:last-child { border-bottom: 0; padding-bottom: 0; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .header-status { display: none; }
  .header-inner { height: 60px; }
  .hero-cta { gap: 18px; }
  .record-head { flex-wrap: wrap; padding: 16px 20px; }
  .record-meta { margin-left: 0; flex-basis: 100%; }
  .record-body { font-size: 12.5px; padding: 18px 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

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

  .catalog-window {
    overflow-y: auto;
    -webkit-mask-image: none;
            mask-image: none;
  }
  .catalog-list {
    animation: none;
  }
  .catalog-list li[aria-hidden="true"] {
    display: none;
  }
}