/* Locus GitHub Pages site. Dark navy, cornflower-blue accent, matching the app. */
:root {
  --bg: #0f1115;
  --surface: #141824;
  --raised: #1a2030;
  --navy: #0a1937;
  --border: #263149;
  --text: #e7ecf5;
  --muted: #9aa6bd;
  --accent: #4f8bff;
  --accent-bright: #78aaff;
  --green: #46c47a;
  --green-bright: #5adc8c;
  --amber: #ecaa4e;
  --red: #ff6e6e;
  --maxw: 1120px;
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter,
    "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", "Consolas", "Liberation Mono",
    Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-bright); text-decoration: none; }
a:hover { color: var(--green-bright); }
h1, h2, h3, h4 { line-height: 1.2; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

header.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 17, 21, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--text);
}
.brand img { width: 30px; height: auto; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--accent-bright); }

.hero {
  position: relative;
  text-align: center;
  padding: 100px 0 76px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    58% 50% at 50% 0,
    rgba(79, 139, 255, 0.24),
    transparent 70%
  );
  pointer-events: none;
}
.hero .logo {
  width: 116px;
  height: auto;
  margin-bottom: 20px;
  filter: drop-shadow(0 10px 34px rgba(79, 139, 255, 0.4));
}
.hero h1 {
  font-size: clamp(42px, 7vw, 68px);
  margin: 0;
  letter-spacing: -0.02em;
}
.tagline {
  color: var(--accent-bright);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 13px;
  margin-top: 10px;
}
.lede {
  max-width: 700px;
  margin: 26px auto 0;
  color: var(--muted);
  font-size: 19px;
}
.cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 34px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight: 700;
  border: 2px solid transparent;
  transition: 0.15s ease;
}
.btn-primary { background: var(--accent); color: #ffffff; }
.btn-primary:hover { background: var(--green); color: #ffffff; }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-bright); }
.badges {
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.badges span { margin: 0 10px; }
.release-note { margin-top: 16px; color: var(--muted); font-size: 14px; }

section { padding: 76px 0; }
section.alt {
  background: linear-gradient(180deg, rgba(20, 24, 36, 0.7), transparent);
}
.eyebrow {
  color: var(--accent-bright);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 36px);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}
.section-sub {
  color: var(--muted);
  margin: 0 0 42px;
  max-width: none;
  font-size: 17px;
}

/* Board mockup */
.boardwrap { display: flex; justify-content: center; margin-top: 8px; }
.board {
  width: 100%;
  max-width: 900px;
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 28px 64px rgba(0, 0, 0, 0.55);
  text-align: left;
}
.board .topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 25, 55, 0.98);
}
.board .topbar .name { font-weight: 700; font-size: 15px; }
.board .topbar .spacer { flex: 1; }
.board .pill {
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.board .pill.go { color: var(--green-bright); border-color: rgba(90, 220, 140, 0.4); }

.board .focus {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(14, 53, 115, 0.18);
}
.board .focus .flabel {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  font-weight: 700;
  margin-bottom: 12px;
}
.frow {
  display: grid;
  grid-template-columns: 96px 1fr 62px;
  align-items: center;
  gap: 12px;
  margin-bottom: 9px;
  font-size: 13px;
}
.frow .app { color: var(--text); }
.frow .track {
  height: 10px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.frow .fill { height: 100%; border-radius: 5px; background: var(--accent); }
.frow .time { color: var(--muted); text-align: right; font-family: var(--mono); font-size: 12px; }

.board .cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.board .col { border-right: 1px solid var(--border); padding: 14px 12px; min-height: 168px; }
.board .col:last-child { border-right: none; }
.board .col h4 {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.card {
  background: var(--raised);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 8px;
  padding: 9px 11px;
  margin-bottom: 9px;
  font-size: 13px;
}
.card .meta { display: block; margin-top: 4px; font-size: 11px; color: var(--muted); }
.card.claude { border-left-color: var(--amber); }
.card.blocked { border-left-color: var(--red); }
.card.done { border-left-color: var(--green); }
.card.active { border-left-color: var(--accent-bright); }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.feature .fnum {
  color: var(--green-bright);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
}
.feature h3 { margin: 12px 0 8px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

/* Two-column "who it is / is not for" */
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
}
.panel h3 { margin: 0 0 14px; font-size: 18px; }
.panel.is-for h3 { color: var(--green-bright); }
.panel.not-for h3 { color: var(--accent-bright); }
.panel ul { margin: 0; padding-left: 18px; }
.panel li { color: var(--muted); margin-bottom: 8px; font-size: 15px; }
.panel li b { color: var(--text); font-weight: 600; }

/* Stages strip */
.stages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.stage {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 22px 22px;
}
.stage h3 { margin: 0 0 8px; font-size: 16px; }
.stage p { margin: 0; color: var(--muted); font-size: 14px; }
.stage:nth-child(1) { border-top-color: var(--accent-bright); }
.stage:nth-child(2) { border-top-color: var(--amber); }
.stage:nth-child(3) { border-top-color: var(--accent); }
.stage:nth-child(4) { border-top-color: var(--green); }

/* Steps */
.steps { display: grid; gap: 16px; counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.step .n {
  counter-increment: step;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(79, 139, 255, 0.14);
  border: 1px solid var(--accent);
  color: var(--accent-bright);
  font-weight: 700;
}
.step .n::before { content: counter(step); }
.step h3 { margin: 4px 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }
.step code {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--accent-bright);
  background: var(--raised);
  padding: 1px 6px;
  border-radius: 5px;
}

/* Code block */
.codeblock {
  background: #0a1120;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  overflow-x: auto;
  margin-top: 26px;
}
.codeblock pre {
  margin: 0;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}
.codeblock .c { color: var(--muted); }
.codeblock .p { color: var(--accent-bright); }

footer {
  border-top: 1px solid var(--border);
  padding: 50px 0;
  color: var(--muted);
  font-size: 14px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}
.footer-inner strong { color: var(--text); }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }

@media (max-width: 720px) {
  .board .cols { grid-template-columns: repeat(2, 1fr); }
  .board .col:nth-child(2) { border-right: none; }
}
@media (max-width: 640px) {
  .nav-links { gap: 16px; }
  .nav-links a:nth-child(1),
  .nav-links a:nth-child(2) { display: none; }
  .step { grid-template-columns: 1fr; }
  .step .n { display: none; }
  .frow { grid-template-columns: 76px 1fr 54px; }
}