:root {
  --bg: #1B1714;
  --bg-elev: #221d19;
  --panel: #2a2420;
  --fg: #ECE6DC;
  --fg-dim: #b8ad9e;
  --muted: #847C71;
  --faint: #5A534A;
  --accent: #FF4F00;
  --accent-soft: rgba(255, 79, 0, 0.14);
  --stroke: rgba(236, 230, 220, 0.06);
  --stroke-strong: rgba(236, 230, 220, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--fg); }

code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.84em;
  background: var(--panel);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--fg);
}

/* Nav */
.topnav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 40px;
  background: rgba(27, 23, 20, 0.80);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--stroke);
}
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav-brand .brand-mark {
  width: 22px;
  height: 22px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.92rem;
}
.nav-right { display: inline-flex; align-items: center; gap: 22px; }
.nav-link { font-size: 0.85rem; color: var(--fg-dim); }
.nav-link:hover { color: var(--fg); }
.nav-link.active { color: var(--fg); }
.nav-gh {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--stroke-strong);
  border-radius: 999px;
  transition: border-color 0.15s, color 0.15s;
  color: var(--fg-dim);
}
.nav-gh:hover { border-color: var(--accent); color: var(--fg); }
.nav-gh svg { display: block; }
.gh-stars {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  font-weight: 500;
}
.gh-stars::before { content: '★ '; color: var(--accent); }
.gh-stars:empty::before { content: ''; }
.nav-cta {
  padding: 8px 18px;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 999px;
  transition: filter 0.15s, transform 0.15s;
}
.nav-cta:hover { filter: brightness(1.08); color: var(--bg); transform: translateY(-1px); }

/* Home layout */
.home {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

/* Hero: left copy / right demo */
.hero {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(360px, 1.2fr);
  gap: 56px;
  align-items: center;
}
.hero-copy h1 {
  font-size: clamp(2rem, 4.2vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin-bottom: 16px;
}
.hero-copy h1 .accent { color: var(--accent); }
.hero-sub {
  font-size: 1.02rem;
  color: var(--fg-dim);
  line-height: 1.55;
  margin-bottom: 26px;
  max-width: 38ch;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-block;
  padding: 12px 26px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: 999px;
  transition: filter 0.15s, transform 0.15s;
}
.btn-primary:hover { filter: brightness(1.08); color: var(--bg); transform: translateY(-1px); }
.btn-secondary {
  display: inline-block;
  padding: 12px 22px;
  border: 1px solid var(--stroke-strong);
  color: var(--fg);
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: 999px;
  transition: border-color 0.15s, transform 0.15s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--fg); transform: translateY(-1px); }
.hero-meta {
  font-size: 0.78rem;
  color: var(--muted);
}
.hero-meta a { color: var(--muted); }
.hero-meta a:hover { color: var(--fg); }
.hero-meta .status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-meta .status .dot {
  width: 6px; height: 6px;
  background: #6ec07a;
  border-radius: 50%;
  display: inline-block;
}
.hero-meta .status.err .dot { background: var(--accent); }
.hero-meta .status.err { color: var(--accent); }

.hero-demo {
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-elev);
  border: 1px solid var(--stroke);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55);
  padding: 22px 22px 16px;
}
.hero-demo svg { width: 100%; height: auto; display: block; }
.hero-demo .demo-cap {
  margin-top: 14px;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}

/* Receive strip (the "keys-row" slot) */
.recv-row {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px 22px;
  border: 1px solid var(--stroke);
  border-radius: 12px;
  background: var(--bg-elev);
}
.recv-row .recv-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.recv-row .recv-label .l-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.recv-row .recv-label .l-h {
  font-size: 0.92rem;
  color: var(--fg);
  font-weight: 500;
}
.recv-input {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--stroke-strong);
  outline: none;
  color: var(--fg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.96rem;
  letter-spacing: 0.05em;
  padding: 8px 0;
  width: 100%;
}
.recv-input::placeholder { color: var(--faint); letter-spacing: 0.04em; }
.recv-input:focus { border-bottom-color: var(--accent); }
.recv-go {
  padding: 9px 18px;
  border: 1px solid var(--stroke-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--fg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.recv-go:hover { border-color: var(--accent); color: var(--accent); }
.recv-err {
  grid-column: 1 / -1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent);
  padding-top: 4px;
}
.recv-err:empty { display: none; }

/* Self-host block (compact, between recv-row and split) */
.selfhost {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 36px;
  align-items: center;
  border-top: 1px solid var(--stroke);
  padding-top: 36px;
}
.selfhost h2 {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.selfhost p {
  font-size: 0.95rem;
  color: var(--fg-dim);
  margin-bottom: 12px;
  max-width: 42ch;
}
.selfhost .sh-foot {
  font-size: 0.82rem;
  color: var(--muted);
}
.selfhost .sh-foot a { color: var(--fg-dim); border-bottom: 1px solid var(--stroke-strong); }
.selfhost .sh-foot a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.code-stack { display: flex; flex-direction: column; gap: 10px; }
.code-block {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--stroke);
  border-radius: 8px;
  padding: 12px 70px 12px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--fg);
  cursor: pointer;
  overflow-x: auto;
  white-space: nowrap;
  transition: border-color 0.15s;
}
.code-block:hover { border-color: var(--stroke-strong); }
.code-block .copy-pill {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--bg-elev);
  border: 1px solid var(--stroke);
  padding: 3px 8px;
  border-radius: 999px;
}
.code-block:hover .copy-pill { color: var(--accent); border-color: var(--accent); }

/* Split (home: roadmap + changelog side by side) */
.split {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
}
.split-col {
  border-top: 1px solid var(--stroke);
  padding-top: 24px;
}

.section-label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 18px;
}
.section-foot {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 18px;
}
.section-foot a { color: var(--fg-dim); }
.section-foot a:hover { color: var(--accent); }

/* Roadmap inline list */
.rm-line {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.rm-line li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.94rem;
  color: var(--fg);
}
.rm-status {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
  min-width: 58px;
  text-align: center;
  flex-shrink: 0;
}
.rm-status.next { background: var(--accent); color: var(--bg); }
.rm-status.soon { background: var(--accent-soft); color: var(--accent); }
.rm-status.later { background: rgba(255, 255, 255, 0.04); color: var(--fg-dim); }

/* Compact changelog rows (home) */
.cl-line { display: flex; flex-direction: column; gap: 2px; }
.cl-row {
  display: grid;
  grid-template-columns: 60px 80px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--stroke);
  font-size: 0.88rem;
  color: var(--fg);
}
.cl-row:hover { background: rgba(255, 255, 255, 0.02); }
.cl-row:last-child { border-bottom: 0; }
.cl-row-tag {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-weight: 500;
  color: var(--fg);
}
.cl-row-date {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.76rem;
  color: var(--muted);
}
.cl-row-summary {
  color: var(--fg-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* /development/ page */
.dev {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.dev-head h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.dev-head p {
  color: var(--fg-dim);
  font-size: 0.95rem;
  max-width: 60ch;
}

.dev-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1.4fr);
  gap: 0;
  border-top: 1px solid var(--stroke);
}
.dev-split .divider-v { background: var(--stroke); }
.dev-col { padding: 32px 0; }
.dev-col:first-child { padding-right: 36px; }
.dev-col:last-child { padding-left: 36px; }

/* Detailed roadmap (dev page) */
.dev-rm li {
  align-items: flex-start;
  gap: 18px;
}
.dev-rm li > div { display: flex; flex-direction: column; gap: 3px; }
.dev-rm strong {
  color: var(--fg);
  font-size: 0.96rem;
  font-weight: 600;
}
.dev-rm .rm-desc {
  color: var(--fg-dim);
  font-size: 0.85rem;
  line-height: 1.5;
  font-weight: 400;
}
.dev-rm code { font-size: 0.82em; }

/* Full changelog */
.cl-full { display: flex; flex-direction: column; gap: 28px; }
.release { padding-top: 24px; border-top: 1px solid var(--stroke); }
.release:first-child { border-top: 0; padding-top: 0; }
.release-tag {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.cl-version {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
}
.cl-date {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.74rem;
  color: var(--muted);
}
.cl-latest {
  display: inline-block;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
}
.release-body { color: var(--fg-dim); font-size: 0.9rem; line-height: 1.6; }
.release-body p { margin: 6px 0; }
.release-body ul { padding-left: 0; margin: 6px 0; list-style: none; }
.release-body li { margin: 5px 0; position: relative; padding-left: 16px; }
.release-body li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
}
.release-body strong { color: var(--fg); font-weight: 600; }
.release-body .empty { color: var(--muted); font-style: italic; }
.release-body code { font-size: 0.84em; }

/* Footer */
footer {
  border-top: 1px solid var(--stroke);
  margin-top: 32px;
  padding: 22px 40px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--faint);
}
.footer-links { display: inline-flex; gap: 18px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--fg); }

/* HTTPS warning */
.https-warn {
  background: var(--accent);
  color: var(--bg);
  padding: 14px;
  font: 14px/1.4 'JetBrains Mono', monospace;
  letter-spacing: 0.02em;
  text-align: center;
}

/* Mobile */
@media (max-width: 880px) {
  .topnav { padding: 12px 20px; gap: 12px; }
  .nav-right { gap: 14px; }
  .nav-link { font-size: 0.8rem; }
  .home { padding: 36px 20px 20px; gap: 40px; }
  .hero { grid-template-columns: 1fr; gap: 28px; }
  .hero-copy h1 { font-size: 1.85rem; }
  .recv-row { grid-template-columns: 1fr; gap: 12px; padding: 16px 18px; }
  .selfhost { grid-template-columns: 1fr; gap: 24px; padding-top: 28px; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .dev { padding: 36px 20px 20px; gap: 28px; }
  .dev-split { grid-template-columns: 1fr; }
  .dev-split .divider-v { display: none; }
  .dev-col:first-child { padding-right: 0; border-bottom: 1px solid var(--stroke); }
  .dev-col:last-child { padding-left: 0; }
  .release { padding-top: 20px; }
  .cl-row { grid-template-columns: 60px 1fr; }
  .cl-row-date { display: none; }
  footer { padding: 20px; }
}