/* Krait site theme — refined modern-retro (amber accent)
   Sibling to the Kryon site: same warm paper, monospace, dither grain,
   beveled cards, and pixel cursors. Krait's accent is amber/terracotta so
   the two read as a family, not duplicates. */

:root {
  /* surfaces */
  --bg: #f3f1ea;            /* warm off-white page (shared with Kryon) */
  --surface: #fdfcf8;       /* panel */
  --control: #eae6da;       /* button base */
  --control-hi: #ffffff;    /* bevel highlight */

  /* ink */
  --ink-strong: #2a3b40;    /* near-slate headings/body */
  --ink-soft: #5d6f74;      /* muted secondary text */

  /* lines */
  --line: rgba(42, 59, 64, 0.20);
  --line-strong: rgba(42, 59, 64, 0.30);

  /* accent — amber/terracotta (Krait's identity vs Kryon's teal) */
  --accent: #9a5b1f;
  --accent-deep: #6e3f15;
  --accent-soft: rgba(154, 91, 31, 0.10);

  /* cards */
  --card-bg: #f7f4ec;
  --card-hover-bg: #fbf9f2;
  --card-active-bg: #efeadd;

  --font-main: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --radius: 10px;
  --radius-sm: 6px;

  --space-xs: 6px;
  --space-sm: 12px;
  --space-md: 20px;
  --space-lg: 32px;
  --space-xl: 52px;

  --maxw: 1080px;

  --bevel:
    0 1px 0 var(--control-hi),
    inset 1px 1px 0 var(--control-hi),
    0 2px 10px rgba(0, 0, 0, 0.04);
  --bevel-hover:
    0 1px 0 var(--control-hi),
    inset 1px 1px 0 var(--control-hi),
    0 8px 22px rgba(0, 0, 0, 0.07);
  --panel-shadow: rgba(0, 0, 0, 0.10);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  width: 100%;
  position: relative;
  background-color: var(--bg);
  color: var(--ink-strong);
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.6;
  cursor: url("cursors/arrow.png") 0 0, default;
  -webkit-font-smoothing: antialiased;
}

/* pixel dither texture — paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(45deg, rgba(42, 59, 64, 0.028) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(42, 59, 64, 0.028) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(42, 59, 64, 0.028) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(42, 59, 64, 0.028) 75%);
  background-position: 0 0, 0 16px, 16px -16px, -16px 0;
  background-size: 32px 32px;
  image-rendering: pixelated;
  opacity: 0.18;
  pointer-events: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  image-rendering: pixelated;
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  cursor: url("cursors/hand.png") 6 1, pointer;
  transition: color 0.12s ease;
}

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

a:active { position: relative; top: 1px; left: 1px; }

code, pre { font-family: var(--font-main); }

code {
  background-color: var(--accent-soft);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.92em;
}

pre {
  margin: 16px 0;
  overflow-x: auto;
  background-color: var(--card-bg);
  color: var(--ink-strong);
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow:
    inset 1px 1px 2px rgba(0, 0, 0, 0.06),
    0 1px 0 0 var(--control-hi);
  cursor: url("cursors/ibeam.png") 15 16, text;
}

pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
  font-size: 13.5px;
}

h1, h2, h3, h4 {
  color: var(--ink-strong);
  letter-spacing: -0.01em;
}

p { max-width: 72ch; margin: 0 0 14px; }
p:last-child { margin-bottom: 0; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(243, 241, 234, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--ink-strong);
  text-decoration: none;
}

.brand:hover { color: var(--accent); }

.brand .brand-mark {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  background-color: var(--accent);
  color: #fdfcf8;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--accent-deep);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px 18px;
  margin-left: auto;
  flex-wrap: wrap;
}

.header-nav a {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
}

.header-nav a:hover { color: var(--accent); }

.header-nav .is-external {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background-color: var(--control);
  color: var(--ink-strong);
  text-decoration: none;
  cursor: url("cursors/hand.png") 6 1, pointer;
  box-shadow: var(--bevel);
  transition: background-color 0.14s ease, transform 0.08s ease, box-shadow 0.14s ease;
}

.btn:hover {
  color: var(--ink-strong);
  background-color: var(--card-hover-bg);
  box-shadow: var(--bevel-hover);
}

.btn:active {
  transform: translate(1px, 1px);
  box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.12);
}

.btn-primary {
  background-color: #7b4011;
  border-color: #4f2608;
  color: #fffdf8;
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.18),
    0 3px 0 #4f2608,
    0 10px 22px rgba(123, 64, 17, 0.22);
}

.btn-primary:hover { background-color: #5f2f0b; color: #fffdf8; }

.header-nav a.btn-primary,
.header-nav a.btn-primary:hover {
  color: #fffdf8;
}

.star-pill { display: inline-flex; align-items: center; gap: 6px; }
.star-pill .count {
  background-color: var(--accent-soft);
  color: var(--accent-deep);
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 11px;
}

.menu-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-family: inherit;
  color: var(--ink-strong);
  cursor: url("cursors/hand.png") 6 1, pointer;
}

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

main {
  position: relative;
  z-index: 1;
  background-color: rgba(253, 252, 248, 0.96);
}

section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--space-xl) 20px;
  background-color: rgba(253, 252, 248, 0.98);
}

section + section { border-top: 1px solid var(--line); }

.section-eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h2 {
  margin: 0 0 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 22px;
  line-height: 1.18;
}

.section-lead {
  margin: 0 0 var(--space-lg);
  color: var(--ink-soft);
  font-size: 15px;
  max-width: 64ch;
}

h3 {
  margin: 6px 0;
  color: var(--accent);
  font-size: 15px;
}

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

.hero {
  text-align: center;
  padding: var(--space-xl) 20px var(--space-lg);
  position: relative;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(255, 254, 249, 0.98), rgba(249, 246, 235, 0.96)),
    var(--surface);
  border-bottom: 1px solid rgba(42, 59, 64, 0.10);
}

.hero-inner { max-width: 880px; margin: 0 auto; }

.hero-mark {
  margin: 0 auto var(--space-md);
  width: 84px;
  height: 84px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--accent);
  color: #fdfcf8;
  font-size: 40px;
  font-weight: 700;
  border: 1px solid var(--accent-deep);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.3),
    0 8px 24px rgba(154, 91, 31, 0.18);
}

.hero h1 {
  margin: 8px 0;
  color: var(--ink-strong);
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero h1 .accent { color: var(--accent); }

.hero .hero-sub {
  margin: var(--space-md) auto 0;
  max-width: 60ch;
  color: var(--ink-soft);
  font-size: 16px;
}

.hero-cta {
  margin-top: var(--space-lg);
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-deep);
  background-color: var(--accent-soft);
  border: 1px solid var(--line);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* beveled IDE mockup under the hero */
.hero-panel {
  margin: var(--space-xl) auto 0;
  max-width: 920px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow:
    inset 1px 1px 0 0 var(--control-hi),
    0 24px 60px var(--panel-shadow);
  overflow: hidden;
  text-align: left;
}

.hero-panel-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--line);
  background-color: var(--card-bg);
}

.hero-panel-bar .tl {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--control);
  border: 1px solid var(--line);
}

.hero-panel-bar .title {
  margin-left: 8px;
  font-size: 12px;
  color: var(--ink-soft);
}

.hero-panel-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 200px;
}

.hero-panel-body .pane {
  padding: 14px 16px;
  font-size: 13px;
}

.hero-panel-body .pane + .pane { border-left: 1px solid var(--line); }

.hero-panel-body .pane .pane-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.hero-panel-body pre {
  margin: 0;
  border: none;
  box-shadow: none;
  background: transparent;
}

/* mock preview pane (since Krait embeds a live preview) */
.preview-mock {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 4px 0;
}

.preview-mock .pm-bar {
  height: 28px;
  border-radius: 5px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 8px;
  gap: 6px;
}

.preview-mock .pm-bar .pm-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--line);
}

.preview-mock .pm-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 12px;
  box-shadow: var(--bevel);
}

.preview-mock .pm-line {
  height: 10px;
  border-radius: 3px;
  background: var(--card-active-bg);
  margin-bottom: 8px;
}

.preview-mock .pm-line.short { width: 50%; }
.preview-mock .pm-line.med { width: 75%; }

.preview-mock .pm-btn {
  display: inline-block;
  margin-top: 4px;
  height: 22px;
  width: 90px;
  border-radius: 5px;
  background: var(--accent);
  border: 1px solid var(--accent-deep);
}

/* ---- feature grid ---- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: var(--space-md);
}

.feature-card {
  padding: 20px 22px;
  background-color: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--bevel);
  transition: background-color 0.14s ease, box-shadow 0.14s ease, transform 0.08s ease;
}

.feature-card:hover {
  background-color: var(--card-hover-bg);
  transform: translateY(-1px);
  box-shadow: var(--bevel-hover);
}

.feature-card .fc-icon {
  width: 32px;
  height: 32px;
  margin-bottom: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.feature-card h3 { margin-top: 0; margin-bottom: 8px; }
.feature-card p { margin: 0; color: var(--ink-soft); }

/* ---- dogfooding band ---- */

.callout {
  background-color: var(--accent-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.callout-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--space-xl) 20px;
}

.callout h2 { border-bottom: none; padding-bottom: 0; }

.callout p {
  margin: var(--space-sm) auto var(--space-md);
  color: var(--ink-soft);
  max-width: 56ch;
}

/* ---- live preview deep-dive ---- */

.steps {
  margin-top: var(--space-md);
  display: grid;
  gap: 12px;
}

.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  align-items: start;
  padding: 16px 18px;
  background-color: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--bevel);
}

.step .step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fdfcf8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid var(--accent-deep);
}

.step h3 { margin: 0 0 4px; }
.step p { margin: 0; color: var(--ink-soft); font-size: 14px; }

/* ---- FAQ ---- */

.faq { margin-top: var(--space-md); display: grid; gap: 10px; }

details.faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--bevel);
  overflow: hidden;
}

details.faq-item[open] { background-color: var(--card-hover-bg); }

details.faq-item summary {
  list-style: none;
  cursor: url("cursors/hand.png") 6 1, pointer;
  padding: 14px 18px;
  font-weight: 700;
  color: var(--ink-strong);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

details.faq-item summary::-webkit-details-marker { display: none; }

details.faq-item summary .chev {
  color: var(--accent);
  transition: transform 0.18s ease;
  flex-shrink: 0;
}

details.faq-item[open] summary .chev { transform: rotate(90deg); }

details.faq-item .faq-a { padding: 0 18px 16px; color: var(--ink-soft); }
details.faq-item .faq-a p { margin: 0; }

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

footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background-color: var(--surface);
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--space-lg) 20px;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-start;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-strong);
  font-weight: 700;
}

.footer-cols {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-col h4 {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.footer-col a { font-weight: 400; font-size: 13px; color: var(--ink-soft); }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 14px 20px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-soft);
}

.footer-bottom p { margin: 4px auto; max-width: none; }

/* ---- syntax tokens ---- */

.tok-key { color: var(--accent-deep); }
.tok-type { color: #4a6b73; }
.tok-fn { color: #8a4a55; }
.tok-str { color: #8a5a1f; }
.tok-num { color: #5a5577; }
.tok-com { color: #8a9498; font-style: italic; }

/* ---- web ide shell ---- */

body.ide-page::before {
  opacity: 0.26;
}

.krait-web-ide {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 12px;
  max-width: none;
  min-height: calc(100vh - 54px);
  padding: 12px;
}

.session-sidebar,
.session-frame-wrap {
  position: relative;
  z-index: 1;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: rgba(253, 252, 248, 0.96);
  box-shadow: var(--bevel);
}

.session-sidebar {
  padding: 18px;
  overflow: auto;
}

.session-sidebar h1 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.15;
}

.session-sidebar p {
  color: var(--ink-soft);
  font-size: 13px;
}

.source-form {
  display: grid;
  gap: 8px;
  margin: 18px 0;
}

.source-form label {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.source-form input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: #fffef9;
  color: var(--ink-strong);
  padding: 9px 10px;
  font: 12px var(--font-main);
}

.example-list {
  display: grid;
  gap: 8px;
}

.example-session {
  width: 100%;
  min-width: 0;
  display: grid;
  gap: 2px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: var(--card-bg);
  color: var(--ink-strong);
  padding: 10px 12px;
  font: 700 13px var(--font-main);
  cursor: url("cursors/hand.png") 6 1, pointer;
  box-shadow: var(--bevel);
}

.example-session:hover {
  background-color: var(--card-hover-bg);
}

.example-session code {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--accent-deep);
  font-size: 11px;
}

.session-frame-wrap {
  overflow: hidden;
}

.session-frame-wrap iframe {
  width: 100%;
  height: 100%;
  min-height: calc(100vh - 80px);
  display: block;
  border: 0;
  background: #f3f1ea;
}

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

@media (max-width: 860px) {
  .header-nav { display: none; }

  .header-nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 10px 20px;
  }

  .header-nav.is-open a,
  .header-nav.is-open .btn {
    width: 100%;
    justify-content: flex-start;
  }

  .menu-toggle { display: inline-flex; }

  .hero h1 { font-size: 32px; }

  .hero-panel-body { grid-template-columns: 1fr; }

  .hero-panel-body .pane + .pane {
    border-left: none;
    border-top: 1px solid var(--line);
  }

  .krait-web-ide {
    grid-template-columns: 1fr;
  }

  .session-frame-wrap iframe {
    min-height: 720px;
  }

  section { padding: var(--space-lg) 20px; }
}

.nl-wrap,
.nl-badge,
.nl-card {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

@media (max-width: 560px) {
  body { font-size: 14px; }
  .hero h1 { font-size: 26px; }
  .hero .hero-sub { font-size: 14.5px; }
  h2 { font-size: 19px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }
}