:root {
  color-scheme: light;
  --bg: #f1f3f9;
  --surface: #ffffff;
  --surface-soft: #eceef7;
  --ink: #0e1228;
  --ink-muted: #3c4268;
  --line: #d4d8ee;
  --brand: #5b21b6;
  --brand-strong: #4c1d95;
  --shadow: 0 14px 35px rgba(14, 18, 40, 0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --bg-accent-1: #dfd8f6;
  --bg-accent-2: #d8e2f8;
  --topbar-bg: rgba(241, 243, 249, 0.92);
  --topbar-border: rgba(212, 216, 238, 0.8);
  --nav-hover-bg: #ebebf7;
  --footer-bg: #eaebf5;
  --guide-bg: #f5f6fc;
  --guide-border: #c8cce5;
  --guide-ink: #1a1d3c;
  --callout-bg: #fdf4ff;
  --callout-border: #e0c8f0;
  --callout-title: #6b1fa8;
  --callout-install-bg: linear-gradient(180deg, #ede8ff 0%, #e0d8fc 100%);
  --callout-install-border: #c4aff8;
  --callout-install-title: #3b0764;
  --accordion-summary-bg: linear-gradient(180deg, #ece8ff 0%, #e2dafc 100%);
  --accordion-summary-ink: #3b0764;
  --doc-links-text: #3b0764;
  --doc-links-link: #5b21b6;
  --doc-links-link-hover: #4c1d95;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0d1a;
  --surface: #111428;
  --surface-soft: #181c35;
  --ink: #e6eaf9;
  --ink-muted: #9aa0c8;
  --line: #232848;
  --brand: #a78bfa;
  --brand-strong: #c4b5fd;
  --shadow: 0 14px 35px rgba(1, 2, 14, 0.55);
  --bg-accent-1: #1c1540;
  --bg-accent-2: #151e46;
  --topbar-bg: rgba(11, 13, 26, 0.94);
  --topbar-border: rgba(35, 40, 72, 0.95);
  --nav-hover-bg: #1a1f3c;
  --footer-bg: #0e1022;
  --guide-bg: #0f1124;
  --guide-border: #2c3258;
  --guide-ink: #d0d6f5;
  --callout-bg: #1e1230;
  --callout-border: #4d2e75;
  --callout-title: #d8a8ff;
  --callout-install-bg: linear-gradient(180deg, #1c1440 0%, #201855 100%);
  --callout-install-border: #5c3ea8;
  --callout-install-title: #d6bfff;
  --accordion-summary-bg: linear-gradient(180deg, #16143a 0%, #1a1848 100%);
  --accordion-summary-ink: #c8b5ff;
  --doc-links-text: #c8b5ff;
  --doc-links-link: #ddd0ff;
  --doc-links-link-hover: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, var(--bg-accent-1) 0%, rgba(0, 0, 0, 0) 40%),
    radial-gradient(circle at 88% 8%, var(--bg-accent-2) 0%, rgba(0, 0, 0, 0) 36%),
    var(--bg);
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.section {
  padding: 4.8rem 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--topbar-border);
  backdrop-filter: blur(8px);
  background: var(--topbar-bg);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.3rem;
  gap: 1rem;
}

.brand {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  padding: 0.4rem 0.65rem;
  color: var(--ink);
}

.nav-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-muted);
  font-size: 0.95rem;
  padding: 0.25rem 0.35rem;
  border-radius: 8px;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.active {
  color: var(--ink);
  background: var(--nav-hover-bg);
}

.theme-switch {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 0.45rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-muted);
  border-radius: 999px;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
}

.theme-switch:hover,
.theme-switch:focus-visible {
  color: var(--ink);
}

.theme-switch:focus-visible {
  outline: 2px solid #c4b5fd;
  outline-offset: 2px;
}

.switch-track {
  width: 2rem;
  height: 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  position: relative;
}

.switch-thumb {
  position: absolute;
  left: 1px;
  top: 1px;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  background: var(--brand);
  transition: transform 180ms ease;
}

.theme-switch.active .switch-thumb {
  transform: translateX(0.85rem);
}

.hero {
  padding-top: 5.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.eyebrow {
  margin: 0;
  color: var(--brand-strong);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

h1,
h2,
h3 {
  font-family: "Sora", sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.18;
}

h1 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(1.95rem, 4vw, 3rem);
}

h2 {
  margin: 0.65rem 0 0;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
}

h3 {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
}

.lead {
  color: var(--ink-muted);
  max-width: 62ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--brand);
  color: white;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--brand-strong);
}

.btn-ghost {
  background: rgba(91, 33, 182, 0.08);
  border-color: rgba(91, 33, 182, 0.25);
  color: var(--brand-strong);
}

.hero-panel,
.card,
.stack-item,
.code-surface,
.callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 1.25rem;
}

.hero-panel ul {
  padding-left: 1.1rem;
  margin: 0.35rem 0 0;
}

.hero-panel li + li {
  margin-top: 0.55rem;
}

.section-head {
  max-width: 72ch;
  margin-bottom: 1.35rem;
}

.section-head h2 {
  margin-top: 0.5rem;
}

.split-cards,
.feature-grid,
.faq-grid {
  display: grid;
  gap: 1rem;
}

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

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

.hero-grid > *,
.split-cards > *,
.feature-grid > *,
.faq-grid > *,
.stack > * {
  min-width: 0;
}

.card {
  padding: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--ink-muted);
}

.card p + p,
.card p + .guide-code,
.card .guide-code + p {
  margin-top: 0.7rem;
}

.install-grid,
.install-details {
  margin-top: 1rem;
}

.guide-code {
  margin: 0.75rem 0 0;
  padding: 0.8rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--guide-border);
  background: var(--guide-bg);
  overflow-x: auto;
}

.guide-code code {
  display: block;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  color: var(--guide-ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.86rem;
  line-height: 1.5;
}

.mini-list {
  margin: 0.35rem 0 0;
  padding-left: 1.15rem;
  color: var(--ink-muted);
}

.mini-list li + li {
  margin-top: 0.4rem;
}

.mini-list code {
  color: #1e1060;
}

.section h1,
.section h2,
.section h3,
.section p,
.section li,
.section a,
.section code,
.section summary {
  overflow-wrap: anywhere;
}

.getting-started-link {
  margin-top: 1rem;
  color: var(--ink-muted);
}

.getting-started-link a {
  color: var(--brand-strong);
  font-weight: 600;
}

.install-accordion {
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.install-accordion > summary {
  list-style: none;
  cursor: pointer;
  font-family: "Sora", sans-serif;
  font-weight: 600;
  padding: 0.95rem 1.1rem;
  background: var(--accordion-summary-bg);
  color: var(--accordion-summary-ink);
}

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

.install-accordion > summary::after {
  content: "+";
  float: right;
  font-size: 1.05rem;
  line-height: 1;
}

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

.install-accordion-body {
  padding: 0 1rem 1rem;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.timeline li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.8rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.8rem 0.9rem;
}

.timeline span {
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-soft);
  color: var(--brand-strong);
  font-weight: 700;
  font-family: "Sora", sans-serif;
}

.integrations .card h3 {
  font-size: 1rem;
}

.stack {
  display: grid;
  gap: 0.8rem;
}

.stack-item {
  padding: 1rem 1.1rem;
}

.stack-item p {
  margin: 0;
  color: var(--ink-muted);
}

.code-surface {
  margin-top: 1rem;
  padding: 1rem 1.05rem;
  background: linear-gradient(170deg, #1a0f3a, #0f183a);
  color: #e8d9ff;
  border-color: #3a2a5c;
}

.code-surface h3 {
  margin-bottom: 0.6rem;
}

.code-surface pre {
  margin: 0;
  overflow-x: auto;
  background: rgba(5, 3, 16, 0.38);
  border: 1px solid rgba(196, 181, 253, 0.2);
  border-radius: 12px;
  padding: 0.8rem;
}

.code-surface code {
  display: block;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.92rem;
  color: #ddd0ff;
}

.callout {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--callout-border);
  background: var(--callout-bg);
  border-color: var(--callout-border);
}

.callout h3 {
  color: var(--callout-title);
}

.callout p {
  margin: 0;
}

.callout .mini-list {
  margin-top: 0.2rem;
}

.callout-install {
  border-left-color: var(--callout-install-border);
  border-color: var(--callout-install-border);
  background: var(--callout-install-bg);
}

.callout-install h3 {
  color: var(--callout-install-title);
}

.install-command {
  margin-top: 0.8rem;
  padding: 0.95rem 1rem;
  display: block;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid #7c3aed;
  color: #f3ecff;
  text-decoration: none;
  cursor: pointer;
  background: linear-gradient(140deg, #6d28d9 0%, #4c1d95 100%);
  box-shadow: 0 10px 24px rgba(109, 40, 217, 0.28);
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.install-command:hover,
.install-command:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(109, 40, 217, 0.38);
}

.install-command:focus-visible {
  outline: 2px solid #c4b5fd;
  outline-offset: 2px;
}

.install-command code {
  display: block;
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.88rem;
  line-height: 1.55;
}

.copy-hint {
  display: inline-flex;
  margin-top: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: rgba(255, 255, 255, 0.18);
  color: #ede9fe;
}

.install-command.copied {
  background: linear-gradient(140deg, #7c3aed 0%, #6d28d9 100%);
}

.doc-links {
  margin-top: 0.9rem !important;
  color: var(--doc-links-text);
  font-size: 0.95rem;
}

.doc-links a {
  color: var(--doc-links-link);
  font-weight: 600;
}

.doc-links a:hover,
.doc-links a:focus-visible {
  color: var(--doc-links-link-hover);
}

/* ── AI Analytics section ──────────────────────────────────────────────────── */

.lead-section {
  color: var(--ink-muted);
  max-width: 80ch;
  font-size: 1.05rem;
  line-height: 1.65;
  margin: 0 0 0.5rem;
}

.ai-value-strip {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin: 1.5rem 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.ai-value-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.1rem 1.2rem;
}

.ai-value-item:not(:last-child) {
  border-right: 1px solid var(--line);
}

.ai-value-label {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--brand-strong);
}

.ai-value-desc {
  font-size: 0.95rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

.ai-value-arrow {
  display: flex;
  align-items: center;
  padding: 0 0.6rem;
  font-size: 1.3rem;
  color: var(--brand);
  flex-shrink: 0;
  border-right: 1px solid var(--line);
}

/* ── Section alternating background ───────────────────────────────────────── */

.section-alt {
  background:
    radial-gradient(circle at 95% 50%, var(--bg-accent-1) 0%, rgba(0,0,0,0) 45%),
    var(--surface-soft);
}

/* ── Log capture section ───────────────────────────────────────────────────── */

.subsection-h3 {
  font-size: 1.3rem;
  margin: 0 0 0.4rem;
  color: var(--ink);
}

.callout-note {
  border-left: 4px solid var(--brand);
  border-color: var(--brand);
  background: var(--surface);
}

.callout-note h3 {
  color: var(--brand-strong);
}

/* Module table */

.module-table {
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
  margin-top: 0.5rem;
}

.module-row {
  display: grid;
  grid-template-columns: 1.6fr 1.4fr 2.5fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--line);
}

.module-row:last-child {
  border-bottom: none;
}

.module-row > div {
  padding: 0.7rem 0.9rem;
  font-size: 0.92rem;
  color: var(--ink-muted);
  border-right: 1px solid var(--line);
}

.module-row > div:last-child {
  border-right: none;
}

.module-header {
  background: var(--surface-soft);
}

.module-header > div {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.module-row-always {
  background: rgba(91, 33, 182, 0.04);
}

.module-row-total {
  background: var(--surface-soft);
}

.module-row-total > div:first-child {
  grid-column: 1 / 4;
}

.badge-toggle {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(91, 33, 182, 0.1);
  color: var(--brand-strong);
}

.badge-always {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(22, 163, 74, 0.12);
  color: #15803d;
}

:root[data-theme="dark"] .badge-always {
  background: rgba(22, 163, 74, 0.18);
  color: #4ade80;
}

.badge-default {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--surface-soft);
  color: var(--ink-muted);
  border: 1px solid var(--line);
}

@media (max-width: 900px) {
  .module-row {
    grid-template-columns: 1fr 1fr;
  }

  .module-row > div:nth-child(3) {
    display: none;
  }

  .ai-value-strip {
    flex-direction: column;
  }

  .ai-value-item:not(:last-child) {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .ai-value-arrow {
    display: none;
  }
}

@media (max-width: 600px) {
  .module-row {
    grid-template-columns: 1fr;
  }

  .module-row > div:nth-child(2),
  .module-row > div:nth-child(3) {
    display: none;
  }

  .module-row > div {
    border-right: none;
  }
}

.final-cta {
  text-align: center;
}

.final-cta p {
  color: var(--ink-muted);
  max-width: 58ch;
  margin: 0.75rem auto 1.3rem;
}

.footer {
  border-top: 1px solid var(--line);
  background: var(--footer-bg);
  padding: 1.2rem 0 2rem;
}

.footer p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.94rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .hero-grid,
  .feature-grid,
  .faq-grid,
  .split-cards {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 4rem 0;
  }
}

@media (max-width: 760px) {
  .menu-btn {
    display: inline-flex;
    margin-left: auto;
  }

  .nav-links {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 4rem;
    display: none;
    flex-direction: column;
    gap: 0.3rem;
    background: var(--surface);
    padding: 0.7rem;
    border-radius: 12px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 0.45rem 0.55rem;
  }

  .theme-switch {
    align-self: center;
  }
}