:root {
  --bg: #060b1e;
  --bg-alt: #040816;
  --bg-panel: #0b1130;
  --border: #252e56;
  --border-soft: #1a2145;

  --fg: #ffcead;
  --fg-muted: #c9b8a6;
  --fg-dim: #6d7db6;

  --accent: #7d82d9;
  --accent-bright: #c2c4f0;

  --green: #92a593;
  --red: #ed5b5a;
  --yellow: #e9bb4f;
  --cyan: #a3bfd1;
  --orange: #eb8b54;
  --magenta: #c89dc1;

  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --display: "Doto", var(--mono);
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg-muted);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-inline: 1.5rem;
}

a {
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(6, 11, 30, 0.85);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 64px;
}

.logo {
  font-family: var(--display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.12em;
}

.cursor {
  display: inline-block;
  color: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.nav a {
  text-decoration: none;
  color: var(--fg-dim);
  transition: color 0.15s ease;
}

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

.pill {
  font-size: 0.75rem;
  color: var(--fg-dim);
  border: 1px solid var(--border);
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
  white-space: nowrap;
}

/* hero */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding-block: 5rem 4rem;
}

.eyebrow {
  color: var(--fg-dim);
  font-size: 0.85rem;
  margin: 0 0 1rem;
}

h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.25;
  color: var(--fg);
  margin: 0 0 1.25rem;
  letter-spacing: 0.01em;
}

.lede {
  color: var(--fg-muted);
  font-size: 1.02rem;
  max-width: 46ch;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-alt);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
}

.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-bright);
}

/* app mock panel — styled after the native egui render: hard edges,
   flat fills, layered accents. no blur, no glow, no rounded pills. */
.term {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.term-dot {
  width: 8px;
  height: 8px;
  border-radius: 1px;
  border: 1px solid var(--border);
  background: transparent;
}

.term-dot.on {
  border-color: var(--green);
  background: var(--green);
}

.term-title {
  font-size: 0.8rem;
  color: var(--fg);
  font-weight: 500;
}

.term-status {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--fg-dim);
}

.term-body {
  padding: 1rem;
}

.reveal {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.reveal.show {
  opacity: 1;
}

.mock-hdr {
  border: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 0.6rem 0.75rem;
  margin-bottom: 0.9rem;
}

.mock-hdr .row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.15rem 0;
  font-size: 0.8rem;
}

.mock-hdr .k {
  color: var(--fg-dim);
  letter-spacing: 0.02em;
}

.mock-hdr .v {
  color: var(--fg-muted);
}

.mock-hdr .v.tag {
  color: var(--orange);
}

.mock-label {
  font-size: 0.7rem;
  color: var(--fg-dim);
  letter-spacing: 0.04em;
  margin: 0 0 0.55rem;
}

.mock-note {
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  background: var(--bg-alt);
  padding: 0.55rem 0.7rem;
  margin-bottom: 0.5rem;
}

.mock-note.accent-cyan {
  border-left-color: var(--cyan);
}

.mock-note.accent-orange {
  border-left-color: var(--orange);
}

.mock-note .t {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--fg-muted);
}

.mock-note .m {
  margin: 0.3rem 0 0;
  font-size: 0.72rem;
  color: var(--fg-dim);
}

.tag-cyan {
  color: var(--cyan);
}

.tag-orange {
  color: var(--orange);
}

.mock-canvas {
  margin-top: 0.9rem;
  position: relative;
  height: 96px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  overflow: hidden;
}

.mock-canvas svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.mock-canvas path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.mock-node {
  position: absolute;
  width: 74px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
}

.mock-node .nh {
  font-size: 0.65rem;
  color: var(--fg-muted);
  padding: 3px 6px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.mock-node .np {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.6rem;
  color: var(--fg-dim);
  padding: 3px 6px;
}

.port {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.port.out {
  margin-left: auto;
  background: var(--cyan);
}

.port.port-magenta {
  background: var(--magenta);
}

/* sections */
.section {
  padding-block: 3.5rem;
  border-top: 1px solid var(--border-soft);
}

.section-title {
  font-family: var(--display);
  font-weight: 800;
  color: var(--fg);
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  line-height: 1.4;
  margin: 0 0 2rem;
  letter-spacing: 0.01em;
}

.idea-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.idea-block h3 {
  font-family: var(--display);
  font-weight: 700;
  color: var(--fg);
  font-size: 1.15rem;
  line-height: 1.4;
  margin: 0 0 0.75rem;
}

.idea-block p {
  margin: 0;
  max-width: 48ch;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.feature-card {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  border-radius: 6px;
  padding: 1.5rem;
}

.feature-tag {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

.feature-tag.tag-blue { color: var(--accent-bright); }
.feature-tag.tag-magenta { color: var(--magenta); }
.feature-tag.tag-cyan { color: var(--cyan); }
.feature-tag.tag-green { color: var(--green); }

.feature-card h3 {
  font-family: var(--display);
  font-weight: 700;
  color: var(--fg);
  font-size: 1.1rem;
  line-height: 1.4;
  margin: 0 0 0.6rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.94rem;
}

/* roadmap */
.roadmap {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.roadmap li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-panel);
}

.roadmap li:last-child {
  border-bottom: none;
}

.roadmap-mark {
  font-weight: 600;
  width: 2.2rem;
  flex: none;
  white-space: nowrap;
}

.roadmap li.done { color: var(--fg-muted); }
.roadmap li.done .roadmap-mark { color: var(--green); }
.roadmap li.wip { color: var(--fg); }
.roadmap li.wip .roadmap-mark { color: var(--yellow); }
.roadmap li.todo { color: var(--fg-dim); }
.roadmap li.todo .roadmap-mark { color: var(--fg-dim); }

/* notify */
.notify-section {
  text-align: left;
}

.notify-form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.notify-form input {
  flex: 1;
  min-width: 220px;
  font-family: var(--mono);
  font-size: 0.92rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 0.75rem 1rem;
  border-radius: 3px;
}

.notify-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.notify-form input::placeholder {
  color: var(--fg-dim);
}

.form-hint {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--fg-dim);
  min-height: 1.2em;
}

.form-hint.success {
  color: var(--green);
}

/* footer */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 2rem 3rem;
  color: var(--fg-dim);
  font-size: 0.82rem;
  border-top: 1px solid var(--border-soft);
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--fg-dim);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent-bright);
}

/* responsive */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding-block: 3rem 2.5rem;
  }

  .idea-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }
}

@media (max-width: 480px) {
  .header-inner {
    height: 56px;
  }

  .pill {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cursor {
    animation: none;
  }
}