/* Olymp — landing page styles. Dark by default; opts into light via
 * `prefers-color-scheme: light`. No framework, no build step. */

:root {
  --bg: #0b0d10;
  --bg-elev: #14181d;
  --bg-code: #0a0c0f;
  --text: #e6e8eb;
  --text-dim: #a0a8b3;
  --accent: #7ad1ff;
  --accent-warm: #ffb86b;
  --accent-good: #4cd693;
  --accent-bad: #ff6b7a;
  --border: #1f2730;
  --max-width: 1040px;
  --header-height: 64px;
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafbfc;
    --bg-elev: #ffffff;
    --bg-code: #f4f6f8;
    --text: #131720;
    --text-dim: #4a525f;
    --accent: #0066b3;
    --accent-warm: #b04400;
    --accent-good: #1e8c4a;
    --accent-bad: #c8334a;
    --border: #e1e4e8;
  }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Skip link — only visible when focused; first stop for keyboard users. */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #001523;
  padding: 8px 14px;
  font-weight: 600;
  border-radius: 0 0 6px 0;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
  text-decoration: none;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  background: rgba(11, 13, 16, 0.85);
  backdrop-filter: blur(8px);
  z-index: 10;
  height: var(--header-height);
}

@media (prefers-color-scheme: light) {
  header { background: rgba(250, 251, 252, 0.85); }
}

header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 100%;
}

.logo {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }

header nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
header nav a { color: var(--text); opacity: 0.75; }
header nav a:hover { opacity: 1; text-decoration: none; }

.hero {
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--border);
}
.kicker {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 12px;
}
.hero h1 {
  font-size: 60px;
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 0 0 24px;
  font-weight: 700;
}
.hero h1 .accent { color: var(--accent); }
.hero p.lede {
  font-size: 21px;
  line-height: 1.58;
  color: var(--text);
  max-width: 760px;
  margin: 0 0 32px;
}
.hero p.lede em {
  font-family: var(--mono);
  font-size: 0.85em;
  font-style: normal;
  color: var(--accent);
}

.cta-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.cta {
  display: inline-block;
  padding: 12px 22px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text);
  background: var(--bg-elev);
  transition: transform 120ms ease, border-color 120ms ease, box-shadow 120ms ease, opacity 120ms ease;
}
.cta:hover {
  text-decoration: none;
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}
.cta.primary {
  background: var(--accent);
  color: #001523;
  border-color: var(--accent);
  font-weight: 600;
}
.cta.primary:hover { opacity: 0.95; }
.cta.ghost { background: transparent; color: var(--text-dim); }
.cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-color-scheme: light) {
  .cta.primary { color: #ffffff; }
}

.badges {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}
.badges li::before {
  content: "·";
  margin-right: 18px;
  color: var(--border);
}
.badges li:first-child::before { content: ""; margin: 0; }

section { padding: 80px 0; border-bottom: 1px solid var(--border); }
section h2 {
  font-size: 32px;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
  font-weight: 700;
  line-height: 1.15;
}
section h3.subhead {
  font-size: 20px;
  margin: 48px 0 12px;
  letter-spacing: -0.01em;
  font-weight: 600;
}
section p { color: var(--text); margin: 0 0 16px; max-width: 760px; }
section p.dim { color: var(--text-dim); }

.cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  min-height: 132px;
}
.card h3 {
  font-size: 15px;
  margin: 0 0 8px;
  font-family: var(--mono);
  font-weight: 600;
}
.card h3 a { color: inherit; }
.card p {
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
  opacity: 0.85;
}

pre, code {
  font-family: var(--mono);
  font-size: 13px;
}
pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  overflow-x: auto;
  line-height: 1.55;
  margin: 16px 0;
}
code { background: var(--bg-code); padding: 1px 6px; border-radius: 4px; }
pre code { background: transparent; padding: 0; }

.terminal {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 16px;
}
.terminal .bar {
  background: var(--border);
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  gap: 6px;
  align-items: center;
}
.terminal .dot { width: 10px; height: 10px; border-radius: 50%; background: #555; }
.terminal .dot.r { background: #ff6058; }
.terminal .dot.y { background: #ffbd2e; }
.terminal .dot.g { background: #28ca42; }
.terminal .bar .label { margin-left: 12px; }
.terminal pre {
  border: 0;
  margin: 0;
  border-radius: 0;
  background: transparent;
}

.timeline {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 14px 22px;
  margin: 24px 0 0;
  padding: 24px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.timeline .stage {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  white-space: nowrap;
  padding-top: 2px;
}
.timeline .what { color: var(--text); font-size: 15px; line-height: 1.55; }
.timeline .what em { color: var(--text-dim); font-style: normal; font-family: var(--mono); font-size: 0.92em; }

.diagram {
  margin: 24px 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  overflow-x: auto;
}
.diagram svg { display: block; width: 100%; height: auto; min-width: 720px; }

/* HTML-based pipeline diagram: rows of boxes connected by arrows.
 * Used in lieu of SVG text-math when the labels are dynamic-length. */
.pipe {
  display: grid;
  grid-template-columns: repeat(var(--cols, 4), 1fr);
  gap: 12px;
  align-items: stretch;
}
.pipe-cell {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  position: relative;
  min-height: 84px;
}
.pipe-cell.accent { border-color: var(--accent); }
.pipe-cell .pipe-kicker {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 6px;
  display: block;
}
.pipe-cell.accent .pipe-kicker { color: var(--accent); }
.pipe-cell .pipe-title {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 4px;
  word-break: break-word;
}
.pipe-cell .pipe-sub {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.45;
}
.pipe-cell + .pipe-cell::before {
  content: "→";
  position: absolute;
  left: -14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 14px;
  pointer-events: none;
}

.pipe-band {
  margin-top: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
}
.pipe-band.accent { border-color: var(--accent); }
.pipe-band h4 {
  font-family: var(--mono);
  font-size: 13px;
  margin: 0 0 8px;
  color: var(--text);
  font-weight: 600;
}
.pipe-band.accent h4 { color: var(--accent); }
.pipe-band p {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.55;
}
.pipe-band p + p { margin-top: 6px; }
.pipe-band .row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 8px 16px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.55;
}
.pipe-band .row > strong {
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  align-self: start;
  padding-top: 2px;
}

@media (max-width: 720px) {
  .pipe { grid-template-columns: 1fr; }
  .pipe-cell + .pipe-cell::before {
    content: "↓";
    left: 50%;
    top: -16px;
    transform: translateX(-50%);
  }
  .pipe-band .row { grid-template-columns: 1fr; gap: 2px 0; }
  .pipe-band .row > strong { padding-top: 8px; }
}

/* "What you can build" / "Use cases" bullets right under the hero. */
.use-cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 28px 0 0;
}
.use-cases > div {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
}
.use-cases p {
  margin: 0;
  font-size: 14px;
  color: var(--text);
  line-height: 1.5;
}
.use-cases p strong {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin: 10px 0 18px;
}
.metric-strip > div {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  display: grid;
  gap: 2px;
}
.metric-strip strong {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 16px;
}
.metric-strip span {
  font-size: 12px;
  color: var(--text-dim);
}

.hero-proof {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.demo-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.demo-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.demo-card.bad {
  border-left: 4px solid var(--accent-bad);
}

.demo-card.good {
  border-left: 4px solid var(--accent-good);
}

.vs-table {
  margin: 24px 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.vs-row {
  display: grid;
  grid-template-columns: 180px 1fr 1.4fr;
  gap: 18px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.55;
}
.vs-row:last-child { border-bottom: 0; }
.vs-head {
  background: var(--bg-code);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}
.vs-row span { display: block; }
.vs-row strong { font-weight: 600; }

ol.steps {
  padding-left: 22px;
  max-width: 760px;
}
ol.steps li {
  margin-bottom: 10px;
  line-height: 1.55;
}

.callout {
  background: var(--bg-elev);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 15px;
  line-height: 1.55;
  max-width: 820px;
}
.callout strong { color: var(--accent); }
.callout em { font-family: var(--mono); font-size: 0.9em; font-style: normal; color: var(--accent); }
.callout-honest { border-left-color: var(--accent-warm); }
.callout-honest strong { color: var(--accent-warm); }
.callout-honest em { color: var(--accent-warm); }

footer {
  padding: 56px 0 72px;
  font-size: 14px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
}
footer .logo { color: var(--text); margin-bottom: 6px; }
footer h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  margin: 0 0 12px;
  font-weight: 600;
}
footer ul { list-style: none; padding: 0; margin: 0; }
footer ul li { margin-bottom: 6px; }
footer ul li a { color: var(--text-dim); }
footer ul li a:hover { color: var(--accent); }
footer p { margin: 0; max-width: 280px; line-height: 1.5; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .vs-row { grid-template-columns: 1fr; gap: 4px; padding: 16px 18px; }
  .vs-head { display: none; }
  .vs-row span:first-child { font-family: var(--mono); font-size: 12px; color: var(--accent); margin-bottom: 4px; }
}

@media (max-width: 600px) {
  .hero { padding: 56px 0 44px; }
  .hero h1 { font-size: 38px; }
  .hero p.lede { font-size: 18px; }
  .cta-row { gap: 10px; }
  .cta { width: 100%; text-align: center; }
  section { padding: 56px 0; }
  section h2 { font-size: 26px; }
  header nav { gap: 14px; font-size: 13px; }
  .timeline { grid-template-columns: 1fr; gap: 4px; padding: 18px; }
  .timeline .stage { padding-top: 12px; }
  .timeline .stage:first-child { padding-top: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}