/* Kata landing — dark theme, self-contained, no external deps.
 * Palette lifted from src/Kata.App/Themes/DarkTheme.xaml so the site and app
 * feel like the same product.
 */
:root {
  --bg:        #232323;
  --panel:    #272727;
  --panel-2:  #2b2b2b;
  --border:   #3a3a3a;
  --text:     #ebebeb;
  --muted:    #a0a0a0;
  --accent:   #26a0da;
  --accent-2: #4bb8ee;
  --warn:     #ffb84d;
  --warn-bg:  #3a2a1a;
  --good:     #7cd992;

  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial,
    "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Consolas, "Cascadia Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }

code, pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}
code {
  background: #1c1c1c;
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid var(--border);
}
pre {
  background: #1c1c1c;
  padding: 12px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  overflow-x: auto;
}

/* ---- Layout ---- */
.wrap { max-width: 960px; margin: 0 auto; padding: 0 24px; }

header.site {
  padding: 20px 0 16px;
  border-bottom: 1px solid var(--border);
}
header.site .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}
header.site .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}
header.site .brand img { width: 28px; height: 28px; }
header.site nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
}
header.site nav a { color: var(--muted); }
header.site nav a:hover { color: var(--text); text-decoration: none; }

footer.site {
  margin-top: 80px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}
footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}
footer.site .spacer { flex: 1; }

/* ---- Hero ---- */
.hero {
  padding: 72px 0 48px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}
.hero p.lead {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto 32px;
}
.hero .ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-shot {
  margin: 48px auto 0;
  max-width: 100%;
}
.hero-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.hero-shot figcaption {
  margin-top: 12px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn.primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #fff;
  text-decoration: none;
}
.btn.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn.secondary:hover {
  border-color: var(--muted);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
}
.btn.disabled,
.btn[disabled] {
  opacity: 0.55;
  pointer-events: none;
  cursor: not-allowed;
}

/* ---- Sections ---- */
section { padding: 40px 0; }
section h2 {
  font-size: 1.75rem;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
}
section h3 {
  font-size: 1.15rem;
  margin: 0 0 8px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.feature {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
.feature h3 { color: var(--text); }
.feature p { color: var(--muted); margin: 8px 0 0; font-size: 0.95rem; }

/* ---- Compare table ---- */
.compare {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.95rem;
}
.compare th,
.compare td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.compare tr:last-child td { border-bottom: none; }
.compare th {
  background: var(--panel-2);
  color: var(--text);
  font-weight: 600;
}
.compare .yes { color: var(--good); font-weight: 600; }
.compare .no  { color: var(--muted); }

/* ---- Pricing cards ---- */
.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.tier {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}
.tier.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.tier .name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
}
.tier .price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin: 8px 0 0;
  letter-spacing: -0.02em;
}
.tier .price .period {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
}
.tier ul {
  list-style: none;
  padding: 0;
  margin: 20px 0 24px;
  color: var(--muted);
  font-size: 0.9rem;
}
.tier ul li {
  padding: 4px 0;
  padding-left: 22px;
  position: relative;
}
.tier ul li::before {
  content: "✓";
  color: var(--good);
  position: absolute;
  left: 0;
  font-weight: 700;
}
.tier .btn { margin-top: auto; text-align: center; }

/* ---- Steps ---- */
.steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.step {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  counter-increment: step;
  position: relative;
}
.step::before {
  content: counter(step);
  display: inline-block;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  text-align: center;
  line-height: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}
.step h3 { color: var(--text); margin: 0 0 6px; }
.step p { color: var(--muted); margin: 0; font-size: 0.9rem; }

/* ---- Callouts ---- */
.callout {
  background: var(--warn-bg);
  border: 1px solid var(--warn);
  border-radius: 6px;
  padding: 14px 18px;
  color: var(--warn);
  font-size: 0.9rem;
  margin: 24px 0;
}

/* ---- Responsive tweaks ---- */
@media (max-width: 600px) {
  .hero { padding: 56px 0 32px; }
  header.site nav { gap: 12px; }
  section { padding: 32px 0; }
}