/* ==========================================================================
   knowledgebank-landing.css — /knowledgebank on the teal (mk) design system.
   Builds on marketing-tokens.css + marketing-components.css; everything here
   is page-scoped under .kb- prefixes. Light theme; dark is reserved for the
   terminal/code "stage" panels.
   ========================================================================== */

/* --- Audience tab bar (sticky, under the mk nav) ------------------------- */
.kb-tabs {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  /* `safe center` centers the strip when it fits but falls back to start-alignment
     when the tabs overflow, so the active tab never scrolls off-canvas to the left
     and stays reachable inside the overflow-x:auto scroller on mobile. */
  justify-content: safe center;
  gap: 4px;
  background: var(--mk-bg);
  border-bottom: 1px solid var(--mk-border);
  padding: 0 16px;
  overflow-x: auto;
}
.kb-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 500;
  color: var(--mk-secondary);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}
.kb-tab:hover { color: var(--mk-heading); }
.kb-tab.active {
  color: var(--mk-primary-pressed);
  border-bottom-color: var(--mk-primary);
  font-weight: 600;
}

.kb-tab-page { display: none; }
.kb-tab-page.active { display: block; }

/* --- Hero ----------------------------------------------------------------- */
.kb-hero {
  text-align: center;
  padding: 72px 24px 64px;
  background: var(--mk-bg);
}
.kb-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--mk-primary-tint);
  border: 1px solid var(--mk-primary);
  color: var(--mk-primary-pressed);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 26px;
}
.kb-hero h1, .kb-hero .kb-hero-title {
  /* z-index creates a stacking context so the negative-z swash image paints
     behind the text but above .kb-hero's background fill. */
  position: relative;
  z-index: 0;
  margin: 0 auto;
  max-width: 660px;
  font-size: clamp(34px, 4.6vw, var(--mk-display-size));
  font-weight: var(--mk-display-weight, 550);
  line-height: var(--mk-display-lh, 1.2);
  color: var(--mk-heading);
}
/* Highlight swash: same treatment as the homepage hero — the solid-teal
   colour-detail.svg via .mk-hero-swash/.mk-hero-accent from
   marketing-components.css. No local swash styles. */
.kb-hero-sub {
  margin: 24px auto 0;
  max-width: 560px;
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--mk-body);
}
.kb-hero-ctas {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Client chips (ChatGPT / Claude / Cursor / …) */
.kb-clients {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
}
.kb-client {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--mk-surface);
  border: 1px solid var(--mk-border);
  color: var(--mk-body);
  font-size: 13px;
  font-weight: 500;
}
.kb-client i { color: var(--mk-primary-pressed); }

/* --- Sections -------------------------------------------------------------- */
.kb-section { padding: 72px 24px; }
.kb-section-inner { max-width: 1180px; margin: 0 auto; }
.kb-section-alt { background: var(--mk-surface); border-top: 1px solid var(--mk-border); border-bottom: 1px solid var(--mk-border); }
.kb-section-title {
  margin: 0;
  text-align: center;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 550;
  color: var(--mk-heading);
}
.kb-section-sub {
  margin: 14px auto 0;
  max-width: 640px;
  text-align: center;
  font-size: 15px;
  line-height: 1.6;
  color: var(--mk-body);
}

/* --- Feature cards ---------------------------------------------------------- */
.kb-cards { display: grid; gap: 16px; margin-top: 40px; }
.kb-cards.cols-3 { grid-template-columns: repeat(3, 1fr); }
.kb-cards.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .kb-cards.cols-3, .kb-cards.cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .kb-cards.cols-3, .kb-cards.cols-4 { grid-template-columns: 1fr; } }
.kb-card {
  background: var(--mk-surface);
  border: 1px solid var(--mk-border);
  border-radius: 12px;
  padding: 22px;
  box-shadow: var(--mk-shadow-card);
  transition: box-shadow 0.15s, transform 0.15s;
}
.kb-card:hover { box-shadow: var(--mk-shadow-card-hover); transform: translateY(-1px); }
.kb-card-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--mk-primary-tint);
  color: var(--mk-primary-pressed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  margin-bottom: 14px;
}
.kb-card h5 {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--mk-heading);
}
.kb-card p { margin: 0; font-size: 13.5px; line-height: 1.55; color: var(--mk-body); }

/* --- Proof band --------------------------------------------------------------- */
.kb-proof {
  max-width: 720px;
  margin: 44px auto 0;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 20px 28px;
  background: var(--mk-surface);
  border: 1px solid var(--mk-border);
  border-radius: 12px;
  box-shadow: var(--mk-shadow-card);
}
.kb-proof-number {
  font-size: 36px;
  font-weight: 650;
  line-height: 1;
  color: var(--mk-primary-pressed);
}
.kb-proof-copy { font-size: 13.5px; line-height: 1.55; color: var(--mk-body); }

/* --- Setup steps ---------------------------------------------------------------- */
/* minmax(0, …) removes the implicit min-content floor on each track so a wide grid
   child (e.g. the .kb-code terminal block) can't inflate the track past its container
   and force horizontal page overflow — see the 390px mobile blowout fix. */
.kb-split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: center; margin-top: 40px; }
@media (max-width: 960px) { .kb-split { grid-template-columns: minmax(0, 1fr); } }
.kb-step {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--mk-surface);
  border: 1px solid var(--mk-border);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 12px;
}
.kb-step-num {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--mk-primary);
  color: #fdfdfd;
  font-weight: 600;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.kb-step strong { color: var(--mk-heading); font-weight: 600; font-size: 14.5px; }
.kb-step-time {
  margin-left: 8px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--mk-primary-pressed);
  background: var(--mk-primary-tint);
  border-radius: 999px;
  padding: 2px 10px;
  vertical-align: 1px;
}
.kb-alsovia {
  margin-top: 22px;
  padding: 14px 18px;
  border-radius: 10px;
  background: #eeebe3;
}
.kb-alsovia-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mk-secondary);
  margin-bottom: 10px;
}
.kb-alsovia-row { display: flex; gap: 18px; flex-wrap: wrap; }
.kb-alsovia-row span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--mk-body);
}

/* Trust chips under the code block */
.kb-trust-row { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; justify-content: center; }
.kb-trust {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--mk-secondary);
  background: var(--mk-surface);
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--mk-border);
}
.kb-trust i { color: var(--mk-primary-pressed); }

/* --- Code / terminal panels (dark stage moments) ------------------------------------ */
.kb-code {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--mk-border);
  box-shadow: var(--mk-shadow-panel);
  text-align: left;
}
.kb-code-header {
  display: flex;
  align-items: center;
  gap: 7px;
  background: #24292e;
  padding: 10px 16px;
}
.kb-code-dot { width: 11px; height: 11px; border-radius: 50%; }
.kb-code-title { margin-left: 8px; color: #8b949e; font-size: 12.5px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.kb-code-body {
  background: #16191d;
  color: #d5dbe1;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  line-height: 1.65;
  padding: 20px 22px;
  overflow-x: auto;
}
.kb-code-body .comment { color: #768390; }
.kb-code-body .key { color: #7fd4dc; }
.kb-code-body .string { color: #a9d99c; }
.kb-code-body .prompt { color: #72a6ab; font-weight: 600; }
.kb-code-body .success { color: #7fce8f; }
.kb-code-body .dim { color: #8b949e; }
.kb-code-body .hl { color: #9fd4da; }
.kb-code-body .warn { color: #e5b567; }
.kb-code-body .bad { color: #e5836f; }

/* --- KB entry cards ------------------------------------------------------------------ */
.kb-entry {
  background: var(--mk-primary-tint);
  border: 1px solid var(--mk-primary);
  border-radius: 12px;
  padding: 20px 22px;
}
.kb-entry-label {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mk-primary-pressed);
  margin-bottom: 10px;
}
.kb-entry-content { font-size: 14px; line-height: 1.6; color: var(--mk-heading); }
.kb-entry-content code {
  background: rgba(69, 111, 115, 0.12);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12.5px;
}
.kb-entry-useful { margin-top: 12px; font-size: 13px; color: var(--mk-body); }
.kb-dims { margin-top: 12px; display: flex; gap: 6px; flex-wrap: wrap; }
.kb-dim-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--mk-surface);
  border: 1px solid var(--mk-primary);
  color: var(--mk-primary-pressed);
  font-size: 11.5px;
  font-weight: 600;
}

/* --- Flow diagram (How It Works) ------------------------------------------------------ */
.kb-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 28px;
  align-items: center;
  margin-top: 40px;
}
@media (max-width: 960px) { .kb-flow { grid-template-columns: 1fr; } }
.kb-flow-side { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.kb-flow-side-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mk-secondary);
  margin-bottom: 10px;
}
.kb-flow-node {
  width: 100%;
  max-width: 280px;
  background: var(--mk-surface);
  border: 1px solid var(--mk-border);
  border-left: 4px solid var(--mk-primary);
  border-radius: 10px;
  padding: 14px 16px;
  text-align: center;
  cursor: pointer;
  box-shadow: var(--mk-shadow-card);
  transition: box-shadow 0.15s, transform 0.15s;
}
.kb-flow-node:hover { box-shadow: var(--mk-shadow-card-hover); transform: translateY(-1px); }
.kb-flow-node.azure { border-left-color: #47b8ff; }
.kb-flow-node.amber { border-left-color: #e5b567; }
.kb-flow-node-icon { font-size: 19px; color: var(--mk-primary-pressed); }
.kb-flow-node.azure .kb-flow-node-icon { color: #2277b3; }
.kb-flow-node.amber .kb-flow-node-icon { color: #ad7f2a; }
.kb-flow-node-title { font-size: 14px; font-weight: 600; color: var(--mk-heading); margin-top: 4px; }
.kb-flow-node-sub { font-size: 12px; color: var(--mk-secondary); }
.kb-flow-arrow { color: var(--mk-secondary); font-size: 15px; padding: 2px 0; }
.kb-flow-center { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.kb-flow-storage {
  background: var(--mk-primary-tint);
  border: 1px solid var(--mk-primary);
  border-radius: 12px;
  padding: 22px 24px;
  text-align: center;
  cursor: pointer;
  box-shadow: var(--mk-shadow-panel);
  min-width: 220px;
}
.kb-flow-storage .kb-flow-node-icon { font-size: 24px; }
.kb-flow-arrow-h { color: var(--mk-secondary); font-size: 18px; }
@media (max-width: 960px) { .kb-flow-arrow-h { transform: rotate(90deg); } }
.kb-flow-hint { text-align: center; margin-top: 26px; font-size: 13px; color: var(--mk-secondary); }

/* --- Flow modal -------------------------------------------------------------------------- */
.kb-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 17, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 24px;
}
.kb-modal-overlay.active { display: flex; }
.kb-modal {
  background: var(--mk-surface);
  border-radius: 14px;
  max-width: 620px;
  width: 100%;
  max-height: 82vh;
  overflow-y: auto;
  padding: 28px 30px;
  position: relative;
  box-shadow: 10px 12px 0 -2px rgba(46, 53, 56, 0.25);
}
.kb-modal-close {
  position: absolute;
  top: 14px;
  right: 18px;
  border: none;
  background: none;
  font-size: 26px;
  line-height: 1;
  color: var(--mk-secondary);
  cursor: pointer;
}
.kb-modal-close:hover { color: var(--mk-heading); }
.kb-modal-header { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.kb-modal-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--mk-primary-tint);
  color: var(--mk-primary-pressed);
}
.kb-modal-icon.azure { background: #ddf0fd; color: #2277b3; }
.kb-modal-icon.amber { background: #f8ecd8; color: #ad7f2a; }
.kb-modal-header h3 { margin: 0; font-size: 19px; font-weight: 600; color: var(--mk-heading); }
.kb-modal-body { font-size: 14px; line-height: 1.65; color: var(--mk-body); }
.kb-modal-body h6 { font-size: 13.5px; font-weight: 700; color: var(--mk-heading); margin: 18px 0 8px; }
.kb-modal-body ul { margin: 0; padding-left: 20px; }
.kb-modal-body li { margin-bottom: 5px; }
.kb-modal-example {
  background: #eeebe3;
  border-radius: 10px;
  padding: 14px 16px;
  margin: 16px 0;
}
.kb-modal-example-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mk-primary-pressed);
  margin-bottom: 8px;
}
.kb-modal-example-content { font-size: 13px; line-height: 1.6; color: var(--mk-heading); }
.kb-modal-body .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }

/* --- Comparison table ----------------------------------------------------------------------- */
.kb-compare {
  max-width: 760px;
  margin: 40px auto 0;
  border: 1px solid var(--mk-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--mk-shadow-card);
  background: var(--mk-surface);
}
.kb-compare table { width: 100%; border-collapse: collapse; font-size: 14px; }
.kb-compare th {
  text-align: left;
  padding: 13px 18px;
  background: #eeebe3;
  color: var(--mk-heading);
  font-weight: 600;
}
.kb-compare th.kb-col-hi { color: var(--mk-primary-pressed); }
.kb-compare td { padding: 12px 18px; border-top: 1px solid var(--mk-border); color: var(--mk-body); }
.kb-compare td strong { color: var(--mk-heading); }

/* --- Numbered story steps (Enterprise) --------------------------------------------------------- */
.kb-story-step { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 18px; }
.kb-story-step .kb-step-num { margin-top: 2px; }
.kb-story-step div:last-child { font-size: 14.5px; line-height: 1.6; color: var(--mk-body); }
.kb-story-step strong { color: var(--mk-heading); }

/* --- CTA band ------------------------------------------------------------------------------------ */
.kb-cta {
  text-align: center;
  padding: 64px 24px;
  background: var(--mk-primary-tint);
  border-top: 1px solid var(--mk-primary);
}
.kb-cta h2 { margin: 0; font-size: clamp(24px, 3vw, 30px); font-weight: 550; color: var(--mk-heading); }
.kb-cta p { margin: 12px 0 24px; font-size: 15px; color: var(--mk-body); }

/* --- Misc ------------------------------------------------------------------------------------------ */
.kb-center { text-align: center; }
.kb-mt-40 { margin-top: 40px; }
.kb-scroll-hint { margin-top: 44px; font-size: 13px; }
.kb-scroll-hint a { color: var(--mk-secondary); text-decoration: none; }
.kb-scroll-hint i { display: block; font-size: 20px; margin-top: 6px; animation: kb-bounce 2s infinite; }
@keyframes kb-bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(6px); }
  60% { transform: translateY(3px); }
}