:root {
  --bg: #ffffff;
  --bg-alt: #f6f7fb;
  --text: #1b1e27;
  --muted: #5b6472;
  --border: #e4e7ed;
  --accent: #164e7a;
  --accent-hover: #0f3b60;
  --accent-soft: #eaf2f8;
  --good: #16794f;
  --bad: #b3261e;
  --card: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --bg-alt: #161922;
    --text: #e8eaf0;
    --muted: #9aa2b1;
    --border: #262b36;
    --accent: #6fb1e4;
    --accent-hover: #91c6ed;
    --accent-soft: #14293b;
    --good: #4fd399;
    --bad: #ff6b64;
    --card: #161922;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

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

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Nav */
nav.site {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
nav.site .wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
  flex-wrap: wrap;
}
nav.site .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--text);
  margin-right: auto;
}
nav.site .brand img { height: 28px; width: 28px; }
nav.site .links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
nav.site .links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
nav.site .links a:hover,
nav.site .links a.active { color: var(--text); }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle:hover { background: var(--bg-alt); }
.nav-toggle-icon {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: background 0.18s ease;
}
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.18s ease, top 0.18s ease;
}
.nav-toggle-icon::before { top: -6px; }
.nav-toggle-icon::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}
.mobile-buy { display: none; }
@media (max-width: 760px) {
  nav.site .wrap { gap: 12px; }
  nav.site .links {
    order: 3;
    width: 100%;
    min-width: 0;
    gap: 16px;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
  }
  nav.site .links a { white-space: nowrap; }
  nav.site.nav-ready .nav-toggle { display: inline-flex; }
  nav.site.nav-ready .wrap > .btn.small { display: none; }
  nav.site.nav-ready .links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: visible;
    border-top: 1px solid var(--border);
    padding: 8px 0 0;
  }
  nav.site.nav-ready .links.open { display: flex; }
  nav.site.nav-ready .links a {
    padding: 9px 2px;
    white-space: normal;
  }
  nav.site.nav-ready .links .mobile-buy {
    display: block;
    margin-top: 6px;
    padding: 10px 16px;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    text-align: center;
  }
  nav.site.nav-ready .links .mobile-buy:hover {
    background: var(--accent-hover);
    color: #fff;
  }
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--accent-hover); }
.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn.secondary:hover { background: var(--bg-alt); }
.btn.small { padding: 8px 16px; font-size: 0.9rem; }

/* Hero */
.hero {
  padding: 72px 0 56px;
  text-align: center;
}
.hero img.hero-icon { height: 72px; width: 72px; margin-bottom: 20px; }
.hero h1 {
  font-size: 2.4rem;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.hero p.lead {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 32px;
}
.hero .ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero .cta-note {
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 0.88rem;
}

section { padding: 56px 0; }
section.alt { background: var(--bg-alt); }
h2.section-title {
  font-size: 1.7rem;
  text-align: center;
  margin: 0 0 8px;
}
p.section-sub {
  text-align: center;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 40px;
}

/* Feature grid */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.feature h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}
.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Comparison table */
.table-wrap { overflow-x: auto; }
table.compare {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}
table.compare th, table.compare td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
table.compare th {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
table.compare th.center, table.compare td.center { text-align: center; }
table.compare td.yes { color: var(--good); font-weight: 600; }
table.compare td.no { color: var(--muted); }
table.compare tr:last-child td { border-bottom: none; }

/* Pricing cards */
.plans {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 760px) {
  .plans { grid-template-columns: 1fr; }
}
.plan {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}
.plan.highlight {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.plan .badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.plan h3 { margin: 0 0 4px; font-size: 1.3rem; }
.plan .price { font-size: 2.1rem; font-weight: 700; margin: 12px 0 20px; }
.plan .price span { font-size: 1rem; font-weight: 400; color: var(--muted); }
.plan ul { padding-left: 20px; margin: 20px 0; color: var(--muted); }
.plan ul li { margin-bottom: 8px; }
.plan .btn { width: 100%; text-align: center; }

/* Prose (guide / support pages) */
.prose { max-width: 760px; margin: 0 auto; padding: 48px 0 80px; }
.prose h1 { font-size: 2rem; margin-bottom: 8px; }
.prose .kicker { color: var(--muted); margin-bottom: 40px; }
.prose h2 { font-size: 1.35rem; margin-top: 40px; }
.prose h3 { font-size: 1.1rem; margin-top: 28px; }
.prose p, .prose li { color: var(--text); }
.prose code {
  background: var(--bg-alt);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.prose pre {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
}
.prose pre code { background: none; padding: 0; }
.prose ul, .prose ol { padding-left: 22px; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  margin: 20px 0;
  padding: 4px 0 4px 16px;
  color: var(--muted);
}

/* Technical guides */
.breadcrumbs {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}
.breadcrumbs a { color: var(--muted); }
.article-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
  margin: -24px 0 36px;
}
.prose .toc,
.prose .callout,
.prose .product-path {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  margin: 28px 0;
  background: var(--bg-alt);
}
.prose .toc strong,
.prose .callout strong { display: block; margin-bottom: 8px; }
.prose .toc ol { margin: 0; }
.prose .callout.warning { border-left: 4px solid #c17c0a; }
.prose .callout p:last-child,
.prose .product-path p:last-child { margin-bottom: 0; }
.prose .workflow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 24px 0;
}
.prose .workflow > div {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.prose .workflow h3 { margin: 0 0 10px; }
.prose .workflow ol { margin-bottom: 0; }
.prose .workflow .tool-workflow { border-color: var(--accent); }
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.guide-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  background: var(--card);
}
.guide-card h2 { margin: 0 0 8px; font-size: 1.2rem; }
.guide-card h2 a { color: var(--text); text-decoration: none; }
.guide-card h2 a:hover { color: var(--accent); }
.guide-card p { margin: 0 0 14px; color: var(--muted); }
.guide-card .read-more { font-weight: 600; text-decoration: none; }
.related-guides {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding-top: 24px;
}
.related-guides h2 { margin-top: 0; }
.article-cta {
  background: var(--accent-soft);
  border-radius: 14px;
  padding: 24px;
  margin-top: 40px;
  text-align: center;
}
.article-cta h2 { margin-top: 0; }
.article-cta .btn { margin: 4px; }
@media (max-width: 760px) {
  .prose {
    padding-left: 20px;
    padding-right: 20px;
  }
  .prose .workflow, .guide-grid { grid-template-columns: 1fr; }
}

/* Sample analysis report */
.sample-hero {
  padding: 56px 20px 36px;
  text-align: left;
}
.sample-hero .badge { margin-bottom: 16px; }
.sample-hero h1 {
  max-width: 720px;
  margin: 0 0 14px;
  font-size: 2.35rem;
  line-height: 1.15;
  letter-spacing: -0.025em;
}
.sample-hero .lead {
  max-width: 720px;
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 1.1rem;
}
.sample-badge {
  display: inline-block;
  border-radius: 999px;
  padding: 5px 11px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}
.sample-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}
.sample-report { padding-bottom: 80px; }
.sample-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 28px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-alt);
  color: var(--muted);
  font-size: 0.94rem;
}
.sample-note strong { color: var(--text); }
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.metric-card,
.report-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}
.metric-card { padding: 20px; }
.metric-label {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}
.metric-value {
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.15;
}
.metric-detail { margin-top: 5px; color: var(--muted); font-size: 0.86rem; }
.report-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}
.report-card { min-width: 0; padding: 24px; }
.report-card.span-two { grid-column: 1 / -1; }
.report-card h2 { margin: 0 0 6px; font-size: 1.2rem; }
.report-card > p { margin: 0 0 20px; color: var(--muted); font-size: 0.92rem; }
.bar-list { display: grid; gap: 14px; }
.bar-row-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 5px;
  font-size: 0.9rem;
}
.bar-row-head span:last-child { color: var(--muted); font-variant-numeric: tabular-nums; }
.bar-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--bg-alt);
}
.bar-fill {
  display: block;
  height: 100%;
  min-width: 2px;
  border-radius: inherit;
  background: var(--accent);
}
.traffic-chart {
  display: flex;
  align-items: end;
  gap: 4px;
  height: 170px;
  margin-top: 24px;
  padding: 14px 12px 0;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(to bottom, transparent 24%, var(--border) 25%, transparent 26%, transparent 49%, var(--border) 50%, transparent 51%, transparent 74%, var(--border) 75%, transparent 76%);
}
.traffic-chart span {
  flex: 1;
  min-width: 3px;
  height: max(3px, var(--height));
  border-radius: 3px 3px 0 0;
  background: var(--accent);
  opacity: 0.82;
}
.chart-axis {
  display: flex;
  justify-content: space-between;
  padding-top: 7px;
  color: var(--muted);
  font-size: 0.8rem;
}
.report-table-wrap { overflow-x: auto; }
.report-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 420px;
}
.report-table th,
.report-table td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 0.9rem;
}
.report-table th {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}
.report-table td.number,
.report-table th.number { text-align: right; font-variant-numeric: tabular-nums; }
.report-table tr:last-child td { border-bottom: none; }
.application-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.application-panel {
  min-width: 0;
  padding: 18px;
  border-radius: 10px;
  background: var(--bg-alt);
}
.application-panel h3 { margin: 0 0 12px; font-size: 1rem; }
.application-panel ul { margin: 0; padding: 0; list-style: none; }
.application-panel li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.86rem;
}
.application-panel li:last-child { border-bottom: 0; }
.application-panel code { overflow-wrap: anywhere; }
.empty-result {
  padding: 18px 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.download-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
  padding: 26px;
  border-radius: 14px;
  background: var(--accent-soft);
}
.download-panel h2 { margin: 0 0 6px; font-size: 1.25rem; }
.download-panel p { margin: 0; color: var(--muted); }
.download-actions { display: flex; gap: 10px; flex-wrap: wrap; flex: 0 0 auto; }
@media (max-width: 760px) {
  .sample-hero { padding-top: 40px; }
  .sample-hero h1 { font-size: 2rem; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .report-grid { grid-template-columns: 1fr; }
  .report-card.span-two { grid-column: auto; }
  .application-grid { grid-template-columns: 1fr; }
  .download-panel { align-items: stretch; flex-direction: column; }
  .download-actions .btn { flex: 1; text-align: center; }
}
@media (max-width: 420px) {
  .metric-grid { grid-template-columns: 1fr; }
  .traffic-chart { gap: 2px; padding-left: 6px; padding-right: 6px; }
}

/* Screenshots */
.screens {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 760px) {
  .screens { grid-template-columns: 1fr; }
}
.screen {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  cursor: zoom-in;
}
.screen:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
.screen img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--border);
}
.screen figcaption {
  padding: 14px 16px;
  color: var(--muted);
  font-size: 0.9rem;
}
.screen figcaption em {
  color: var(--accent);
  font-style: normal;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 11, 15, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
  z-index: 100;
  cursor: zoom-out;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.lightbox .close {
  position: absolute;
  top: 20px;
  right: 24px;
  color: #fff;
  font-size: 2.2rem;
  line-height: 1;
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.75;
}
.lightbox .close:hover { opacity: 1; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-item h3 { margin: 0 0 8px; font-size: 1.05rem; }
.faq-item p { margin: 0; color: var(--muted); }

/* Footer */
footer.site {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  color: var(--muted);
  font-size: 0.9rem;
}
footer.site .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--text); }