:root {
  --kg-bg: #f7faff;
  --kg-paper: #ffffff;
  --kg-ink: #132033;
  --kg-muted: #617089;
  --kg-line: rgba(40, 58, 83, .14);
  --kg-cyan: #16b9c4;
  --kg-blue: #4d7dff;
  --kg-green: #42b883;
  --kg-gold: #d7a533;
  --kg-coral: #ff7d6b;
  --kg-shadow: 0 24px 80px rgba(46, 68, 98, .16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--kg-ink);
  background:
    radial-gradient(circle at 18% 10%, rgba(22, 185, 196, .16), transparent 28%),
    radial-gradient(circle at 82% 6%, rgba(77, 125, 255, .13), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, var(--kg-bg) 44%, #ffffff 100%);
  overflow-x: hidden;
  letter-spacing: 0;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.kg-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 72px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, .82);
  border-bottom: 1px solid var(--kg-line);
  backdrop-filter: blur(22px);
}

.kg-brand,
.kg-topbar nav,
.kg-actions,
.kg-hero-proof,
.kg-modebar,
.kg-plan-tabs,
.kg-footer {
  display: flex;
  align-items: center;
}

.kg-brand {
  gap: 10px;
  font-size: 14px;
  font-weight: 800;
}

.kg-brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background:
    linear-gradient(135deg, var(--kg-blue), var(--kg-cyan)),
    #fff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.8), 0 12px 28px rgba(22,185,196,.24);
}

.kg-topbar nav {
  justify-content: center;
  gap: clamp(12px, 2vw, 28px);
  color: var(--kg-muted);
  font-size: 13px;
  font-weight: 700;
}

.kg-topbar nav a:hover,
.kg-topbar nav a:focus-visible {
  color: var(--kg-ink);
}

.kg-top-cta,
.kg-btn,
.kg-mode,
.kg-plan-tabs button {
  border: 1px solid var(--kg-line);
  border-radius: 999px;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.kg-top-cta {
  padding: 11px 16px;
  color: #fff;
  background: var(--kg-ink);
  box-shadow: 0 14px 28px rgba(19, 32, 51, .16);
}

.kg-hero {
  position: relative;
  min-height: min(820px, calc(100vh - 72px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
  gap: 28px;
  align-items: end;
  padding: clamp(46px, 7vw, 88px) clamp(18px, 5vw, 72px) clamp(30px, 5vw, 58px);
  overflow: hidden;
}

.kg-hero::before {
  content: "";
  position: absolute;
  inset: 80px 4vw auto auto;
  width: min(54vw, 920px);
  height: min(56vw, 620px);
  z-index: 0;
  border-radius: 34px;
  background:
    linear-gradient(90deg, rgba(255,255,255,.72), rgba(255,255,255,.12)),
    url("assets/showcase/knowledge-geo-atlas-hero.png") center / cover no-repeat;
  box-shadow: var(--kg-shadow);
  opacity: .78;
  pointer-events: none;
}

.kg-stage {
  position: absolute;
  inset: 0 0 0 clamp(700px, 52vw, 800px);
  z-index: 1;
  min-height: 100%;
  pointer-events: none;
}

#knowledgeGeoCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.kg-stage-fallback {
  position: absolute;
  right: clamp(18px, 6vw, 80px);
  top: clamp(92px, 12vw, 150px);
  width: min(420px, calc(100vw - 36px));
  padding: 18px;
  border: 1px solid var(--kg-line);
  border-radius: 18px;
  color: var(--kg-muted);
  background: rgba(255,255,255,.9);
  box-shadow: var(--kg-shadow);
}

.js .kg-stage-fallback {
  display: none;
}

body[data-kg-canvas="fallback"] .kg-stage-fallback {
  display: block;
}

.kg-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  z-index: 1;
  background: linear-gradient(180deg, transparent, rgba(247, 250, 255, .96) 78%, var(--kg-bg));
  pointer-events: none;
}

.kg-hero-copy,
.kg-hero-side {
  position: relative;
  z-index: 2;
}

.kg-hero-copy {
  max-width: min(610px, 45vw);
  align-self: center;
  padding-top: min(10vh, 90px);
}

.kg-kicker {
  margin: 0 0 12px;
  color: var(--kg-blue);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .14em;
}

.kg-hero h1 {
  max-width: 610px;
  margin: 0;
  font-size: clamp(46px, 5.2vw, 74px);
  line-height: 1.01;
  letter-spacing: 0;
}

.kg-lead {
  max-width: 640px;
  margin: 24px 0 0;
  color: var(--kg-muted);
  font-size: clamp(16px, 2vw, 21px);
  line-height: 1.62;
}

.kg-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.kg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  color: var(--kg-ink);
  background: rgba(255,255,255,.78);
}

.kg-btn-primary {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--kg-blue), var(--kg-cyan));
  box-shadow: 0 18px 42px rgba(22, 185, 196, .28);
}

.kg-btn-secondary {
  background: rgba(255,255,255,.92);
}

.kg-btn-quiet {
  color: var(--kg-muted);
}

.kg-btn:hover,
.kg-btn:focus-visible,
.kg-top-cta:hover,
.kg-top-cta:focus-visible,
.kg-mode:hover,
.kg-mode:focus-visible,
.kg-plan-tabs button:hover,
.kg-plan-tabs button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 46px rgba(46, 68, 98, .14);
}

.kg-hero-proof {
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.kg-hero-proof span {
  padding: 9px 12px;
  border: 1px solid var(--kg-line);
  border-radius: 999px;
  color: var(--kg-muted);
  background: rgba(255,255,255,.72);
  font-size: 12px;
  font-weight: 800;
}

.kg-hero-side {
  align-self: end;
  padding: 20px;
  border: 1px solid rgba(255, 125, 107, .28);
  border-radius: 20px;
  background: rgba(255,255,255,.88);
  box-shadow: var(--kg-shadow);
}

.kg-hero-side b,
.kg-hero-side span {
  display: block;
}

.kg-hero-side b {
  margin-bottom: 10px;
  color: var(--kg-coral);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.kg-hero-side span {
  color: var(--kg-muted);
  font-size: 14px;
  line-height: 1.55;
}

.kg-hero-side span + span {
  margin-top: 10px;
}

.kg-modebar {
  position: relative;
  z-index: 3;
  max-width: 900px;
  margin: -32px auto 0;
  padding: 10px;
  gap: 8px;
  justify-content: center;
  border: 1px solid var(--kg-line);
  border-radius: 999px;
  background: rgba(255,255,255,.9);
  box-shadow: var(--kg-shadow);
}

.kg-mode,
.kg-plan-tabs button {
  min-height: 40px;
  padding: 0 16px;
  color: var(--kg-muted);
  background: transparent;
}

.kg-mode.is-active,
.kg-plan-tabs button.is-active {
  color: #fff;
  border-color: transparent;
  background: var(--kg-ink);
}

.kg-section {
  padding: clamp(62px, 8vw, 110px) clamp(18px, 5vw, 72px);
}

.kg-section-copy {
  max-width: 820px;
  margin-bottom: 28px;
}

.kg-section h2 {
  margin: 0;
  max-width: 850px;
  font-size: clamp(32px, 4.8vw, 64px);
  line-height: 1;
  letter-spacing: 0;
}

.kg-section-copy p:not(.kg-kicker),
.kg-layer-card p,
.kg-console-panel p,
.kg-dom-mirror p,
.kg-plan-panel p,
.kg-faq p {
  color: var(--kg-muted);
  line-height: 1.65;
}

.kg-layer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.kg-layer-card,
.kg-console,
.kg-check-shell,
.kg-file-grid a,
.kg-plan-panel,
.kg-faq details {
  border: 1px solid var(--kg-line);
  border-radius: 18px;
  background: rgba(255,255,255,.86);
  box-shadow: 0 18px 52px rgba(46, 68, 98, .08);
}

.kg-layer-card {
  min-height: 210px;
  padding: 18px;
}

.kg-layer-card small {
  color: var(--kg-gold);
  font-size: 11px;
  font-weight: 900;
}

.kg-layer-card h3,
.kg-console-panel h3,
.kg-dom-mirror h3,
.kg-plan-panel h3 {
  margin: 12px 0 8px;
  font-size: 21px;
  line-height: 1.15;
}

.kg-console {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr);
  gap: 18px;
  padding: 18px;
}

.kg-console-panel {
  padding: clamp(20px, 4vw, 42px);
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(77,125,255,.12), rgba(22,185,196,.1)),
    #fff;
}

.kg-console-panel ul {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.kg-console-panel li {
  padding: 12px;
  border: 1px solid var(--kg-line);
  border-radius: 12px;
  background: rgba(255,255,255,.72);
  font-weight: 800;
}

.kg-dom-mirror {
  display: grid;
  gap: 12px;
}

.kg-dom-mirror article {
  padding: 18px;
  border: 1px solid var(--kg-line);
  border-radius: 16px;
  background: rgba(255,255,255,.82);
}

.kg-check-shell {
  padding: 18px;
}

.kg-progress {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--kg-muted);
  font-size: 13px;
  font-weight: 900;
}

.kg-progress-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(19,32,51,.08);
  overflow: hidden;
}

.kg-progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--kg-blue), var(--kg-green));
  transition: width .24s ease;
}

.kg-check-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.kg-check-grid label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 76px;
  padding: 14px;
  border: 1px solid var(--kg-line);
  border-radius: 14px;
  background: rgba(255,255,255,.76);
  color: var(--kg-muted);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
}

.kg-check-grid input {
  width: 18px;
  height: 18px;
  accent-color: var(--kg-blue);
  flex: 0 0 auto;
}

.kg-file-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.kg-file-grid a {
  display: grid;
  gap: 8px;
  min-height: 118px;
  padding: 18px;
}

.kg-file-grid span {
  color: var(--kg-blue);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  overflow-wrap: anywhere;
}

.kg-file-grid b {
  font-size: 18px;
}

.kg-plan-tabs {
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.kg-plan-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 18px;
  padding: 22px;
}

.kg-price {
  display: grid;
  gap: 4px;
  text-align: right;
}

.kg-price span {
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 900;
}

.kg-price small {
  color: var(--kg-muted);
  font-weight: 800;
}

.kg-faq-list {
  display: grid;
  gap: 12px;
}

.kg-faq details {
  padding: 18px 20px;
}

.kg-faq summary {
  cursor: pointer;
  font-weight: 900;
}

.kg-footer {
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: var(--kg-muted);
  border-top: 1px solid var(--kg-line);
  background: #fff;
  font-size: 13px;
  font-weight: 800;
}

@media (max-width: 960px) {
  .kg-topbar {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .kg-topbar nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .kg-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  .kg-stage {
    inset: 170px -80px auto 0;
    height: 520px;
    min-height: 0;
    opacity: .3;
  }

  .kg-hero::before {
    inset: 170px -28vw auto auto;
    width: min(760px, 132vw);
    height: 500px;
    opacity: .36;
  }

  .kg-hero-copy {
    max-width: 100%;
    padding-top: 0;
  }

  .kg-hero-side {
    max-width: 620px;
  }

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

  .kg-file-grid,
  .kg-console,
  .kg-plan-panel {
    grid-template-columns: 1fr;
  }

  .kg-price {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .kg-topbar {
    position: relative;
    gap: 14px;
  }

  .kg-topbar nav {
    gap: 10px;
    font-size: 12px;
  }

  .kg-hero {
    padding-top: 28px;
  }

  .kg-hero h1 {
    font-size: clamp(36px, 10.8vw, 46px);
    line-height: 1.04;
  }

  .kg-lead {
    font-size: 16px;
    line-height: 1.55;
  }

  .kg-actions,
  .kg-modebar,
  .kg-plan-tabs {
    align-items: stretch;
  }

  .kg-actions .kg-btn,
  .kg-top-cta {
    width: 100%;
  }

  .kg-modebar {
    width: calc(100% - 24px);
    margin-top: -8px;
    border-radius: 20px;
    flex-wrap: wrap;
  }

  .kg-mode {
    flex: 1 1 42%;
  }

  .kg-layer-grid,
  .kg-check-grid,
  .kg-file-grid {
    grid-template-columns: 1fr;
  }

  .kg-layer-card {
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ---------- unified cloud-white refresh for t-j.cloud ---------- */
:root {
  --kg-bg: #f6fbff;
  --kg-paper: #ffffff;
  --kg-ink: #102033;
  --kg-muted: #68788c;
  --kg-line: rgba(22, 42, 68, .12);
  --kg-cyan: #1fb8c9;
  --kg-blue: #2563eb;
  --kg-green: #38a169;
  --kg-gold: #1697a7;
  --kg-coral: #dc665c;
  --kg-shadow: 0 22px 70px rgba(42, 76, 112, .14);
}

body {
  background:
    radial-gradient(circle at 14% 6%, rgba(31, 184, 201, .16), transparent 28rem),
    radial-gradient(circle at 84% 10%, rgba(37, 99, 235, .11), transparent 30rem),
    linear-gradient(180deg, #ffffff 0%, #f6fbff 48%, #ffffff 100%) !important;
}

.kg-topbar {
  margin: 14px auto 0;
  width: min(1280px, calc(100% - 28px));
  min-height: 68px;
  border: 1px solid var(--kg-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .84) !important;
  box-shadow: 0 18px 50px rgba(34, 73, 110, .12);
}

.kg-brand-mark {
  border-radius: 10px;
  background: linear-gradient(135deg, var(--kg-cyan), var(--kg-blue));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.86), 0 12px 28px rgba(37,99,235,.18);
}

.kg-top-cta,
.kg-btn-primary,
.kg-mode.is-active,
.kg-plan-tabs button.is-active {
  color: #ffffff !important;
  background: linear-gradient(135deg, #1fb8c9, #2563eb) !important;
  border-color: transparent !important;
  box-shadow: 0 16px 40px rgba(37, 99, 235, .2);
}

.kg-btn-secondary,
.kg-btn-quiet,
.kg-mode,
.kg-plan-tabs button {
  color: var(--kg-ink) !important;
  background: rgba(255,255,255,.74) !important;
  border-color: var(--kg-line) !important;
}

.kg-hero::before {
  opacity: .46;
  border: 1px solid rgba(22,42,68,.08);
  background:
    linear-gradient(90deg, rgba(255,255,255,.88), rgba(255,255,255,.36)),
    url("assets/showcase/knowledge-geo-atlas-hero.png") center / cover no-repeat;
}

.kg-stage {
  opacity: .82;
  filter: saturate(.9) brightness(1.08);
}

.kg-hero-side,
.kg-modebar,
.kg-layer-card,
.kg-console,
.kg-check-shell,
.kg-file-grid a,
.kg-plan-panel,
.kg-faq details,
.kg-console-panel li,
.kg-dom-mirror article,
.kg-check-grid label {
  border-color: var(--kg-line) !important;
  background: linear-gradient(145deg, rgba(255,255,255,.96), rgba(246,251,255,.72)) !important;
  box-shadow: 0 18px 54px rgba(42, 76, 112, .12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.kg-kicker,
.kg-layer-card small,
.kg-file-grid span {
  color: var(--kg-blue) !important;
}

.kg-section h2,
.kg-hero h1,
.kg-layer-card h3,
.kg-console-panel h3,
.kg-dom-mirror h3,
.kg-plan-panel h3,
.kg-file-grid b,
.kg-price span {
  color: var(--kg-ink);
  letter-spacing: 0;
}

.kg-lead,
.kg-section-copy p:not(.kg-kicker),
.kg-layer-card p,
.kg-console-panel p,
.kg-dom-mirror p,
.kg-plan-panel p,
.kg-faq p,
.kg-check-grid label,
.kg-progress,
.kg-price small {
  color: var(--kg-muted) !important;
}

.kg-btn:hover,
.kg-top-cta:hover,
.kg-mode:hover,
.kg-plan-tabs button:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, .3) !important;
  box-shadow: 0 20px 54px rgba(37, 99, 235, .16);
}

.kg-footer {
  background: rgba(255,255,255,.9);
}

@media (max-width: 960px) {
  .kg-topbar {
    border-radius: 24px;
  }
}

@media (max-width: 560px) {
  .kg-topbar {
    width: calc(100% - 20px);
    margin-top: 10px;
  }
}