/* markloom marketing — Markdown-honest editor */
:root {
  --bg: #07080c;
  --bg2: #0c0e14;
  --panel: #12151c;
  --ink: #f2f4f8;
  --muted: #95a0b0;
  --faint: #5c6678;
  --line: rgba(242, 244, 248, 0.09);
  --blue: #7aafff;
  --mint: #5eead4;
  --violet: #a78bfa;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Fraunces", "Georgia", serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --shell: min(1180px, calc(100% - 2rem));
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--mint); }
a:hover { color: var(--blue); }
code { font-family: var(--mono); font-size: 0.9em; }
.shell { width: var(--shell); margin-inline: auto; }

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--blue); color: #061018; padding: 0.5rem 1rem;
}
.skip:focus { left: 0; }

.top {
  position: sticky; top: 0; z-index: 40;
  background: rgba(7, 8, 12, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.top-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 3.75rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--display); font-weight: 600; font-size: 1.3rem;
  color: var(--ink); text-decoration: none; letter-spacing: -0.02em;
}
.brand-mark {
  width: 1.2rem; height: 1.2rem; border-radius: 4px;
  background: linear-gradient(135deg, var(--blue), var(--mint));
  box-shadow: 0 0 20px rgba(122, 175, 255, 0.35);
}
.nav { display: flex; gap: 1.15rem; align-items: center; font-size: 0.92rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--ink); }
.pill {
  background: var(--blue) !important; color: #061018 !important;
  padding: 0.4rem 0.85rem; border-radius: 999px; font-weight: 600;
}
.pill:hover { filter: brightness(1.06); color: #061018 !important; }

.hero {
  position: relative;
  padding: clamp(3.5rem, 10vw, 7rem) 0 clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  width: 70vw; height: 70vw; max-width: 900px;
  left: 50%; top: -20%; transform: translateX(-50%);
  background:
    radial-gradient(circle at 40% 40%, rgba(122, 175, 255, 0.18), transparent 50%),
    radial-gradient(circle at 65% 55%, rgba(94, 234, 212, 0.1), transparent 45%),
    radial-gradient(circle at 30% 70%, rgba(167, 139, 250, 0.08), transparent 40%);
  pointer-events: none;
}
.hero-inner { position: relative; text-align: center; max-width: 52rem; margin-inline: auto; }
.kicker {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--mint); margin: 0 0 1.25rem;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 600;
  font-optical-sizing: auto;
  font-size: clamp(2.8rem, 7.5vw, 5.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1.35rem;
}
.grad {
  background: linear-gradient(105deg, var(--blue) 0%, var(--mint) 50%, var(--violet) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sub {
  margin: 0 auto 1.75rem; max-width: 38rem;
  color: var(--muted); font-size: 1.12rem;
}
.sub code {
  color: var(--blue); background: rgba(122,175,255,0.1);
  padding: 0.1em 0.35em; border-radius: 4px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; margin-bottom: 2.5rem; }
.cta-row.center { justify-content: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85rem 1.35rem; border-radius: 999px;
  font-weight: 600; font-size: 0.98rem; text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.3s var(--ease), filter 0.2s, border-color 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn.solid { background: var(--blue); color: #061018; }
.btn.solid:hover { color: #061018; filter: brightness(1.05); }
.btn.line { border-color: var(--line); color: var(--ink); }
.btn.line:hover { border-color: rgba(242,244,248,0.25); color: var(--ink); }
.btn.lg { padding: 1rem 1.6rem; font-size: 1.05rem; }

.metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem;
  margin: 0; padding: 0; text-align: left;
}
.metrics > div {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 12px; padding: 0.9rem 1rem;
}
.metrics dt {
  font-family: var(--display); font-weight: 600; font-size: 1.15rem;
  letter-spacing: -0.015em; line-height: 1.2; color: var(--blue);
}
.metrics dd { margin: 0.2rem 0 0; font-size: 0.8rem; color: var(--faint); }

.proof { padding: 2rem 0 5rem; }
.proof-head { max-width: 42rem; margin-bottom: 2rem; }
.proof-head h2 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.9rem, 3.6vw, 2.75rem);
  letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 0.75rem;
}
.proof-head p { margin: 0; color: var(--muted); }
.proof-head code {
  color: var(--blue);
  background: rgba(122,175,255,0.1);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
.demo-controls {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 0.75rem 1.25rem;
  margin-top: 1rem;
}
.proof-badges {
  display: flex; flex-wrap: wrap; gap: 0.45rem;
  list-style: none; margin: 0; padding: 0;
}
.proof-badges li {
  font-family: var(--mono); font-size: 0.72rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(122, 175, 255, 0.28);
  color: var(--blue);
  background: rgba(122, 175, 255, 0.07);
}
.demo-status {
  display: flex; align-items: center; gap: 0.65rem;
  font-family: var(--mono); font-size: 0.78rem;
}
.demo-phase { color: var(--mint); min-width: 9rem; }
.demo-replay {
  appearance: none; cursor: pointer;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-family: var(--mono); font-size: 0.75rem;
  padding: 0.4rem 0.75rem; border-radius: 999px;
}
.demo-replay:hover { border-color: var(--blue); color: var(--blue); }

.demo {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
  align-items: stretch;
}
.pane {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  display: flex; flex-direction: column;
  min-height: 0;
}
.pane-bar {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem; color: var(--muted);
  font-family: var(--mono);
}
.dots {
  width: 2.2rem; height: 0.55rem;
  background:
    radial-gradient(circle at 0.2rem 50%, #ff5f57 0.18rem, transparent 0.2rem),
    radial-gradient(circle at 0.85rem 50%, #febc2e 0.18rem, transparent 0.2rem),
    radial-gradient(circle at 1.5rem 50%, #28c840 0.18rem, transparent 0.2rem);
}
.pane-live {
  margin-left: auto;
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--mint);
}
.pane-body {
  flex: 1;
  min-height: 320px;
  padding: 1rem 1.1rem;
  overflow: auto;
  background: #0a0c11;
}
.pane-note {
  margin: 0;
  padding: 0.55rem 0.9rem;
  font-size: 0.75rem;
  color: var(--faint);
  border-top: 1px solid var(--line);
}
.pane-note.hi { color: var(--blue); }

.md-src {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: #c5d0e0;
  white-space: pre-wrap;
}
.md-src .h { color: var(--blue); }
.md-src .b { color: #e6b35a; font-weight: 600; }
.md-src .li { color: var(--mint); }
.md-src .code { color: var(--violet); }
.md-src .dim { opacity: 0.35; }

.tree-view {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
}
.tree-view .node {
  opacity: 0.15;
  transform: translateX(-4px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), color 0.3s;
}
.tree-view .node.on {
  opacity: 1;
  transform: none;
  color: var(--ink);
}
.tree-view .t { color: var(--blue); }
.tree-view .id { color: var(--faint); font-size: 0.7em; }
.tree-view .indent { padding-left: 1rem; }

.rich-preview {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink);
}
.rich-preview h3 {
  font-family: var(--display);
  font-size: 1.25rem;
  margin: 0 0 0.65rem;
  letter-spacing: -0.02em;
}
.rich-preview p { margin: 0 0 0.65rem; color: #d0d6e0; }
.rich-preview strong { color: #e6b35a; font-weight: 600; }
.rich-preview ul { margin: 0 0 0.75rem; padding-left: 1.2rem; color: #c8d0dc; }
.rich-preview li { margin: 0.2rem 0; }
.rich-preview pre {
  margin: 0;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  background: #161a24;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--violet);
  overflow: auto;
}
.rich-preview .blk {
  opacity: 0.08;
  filter: blur(1.5px);
  transform: translateY(6px);
  transition: opacity 0.4s var(--ease), filter 0.4s var(--ease), transform 0.4s var(--ease);
}
.rich-preview .blk.on {
  opacity: 1;
  filter: none;
  transform: none;
}
.ai-chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  margin-top: 0.75rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-family: var(--mono); font-size: 0.7rem;
  background: rgba(122, 175, 255, 0.1);
  border: 1px solid rgba(122, 175, 255, 0.25);
  color: var(--blue);
  opacity: 0;
  transition: opacity 0.4s;
}
.ai-chip.on { opacity: 1; }
.ai-chip .dot {
  width: 0.4rem; height: 0.4rem; border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px var(--mint);
  animation: pulse 1.2s ease infinite;
}
@keyframes pulse {
  50% { opacity: 0.4; }
}

.features { padding: 1rem 0 5rem; }
.features h2 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  letter-spacing: -0.02em; margin: 0 0 0.5rem;
}
.features .lead { color: var(--muted); margin: 0 0 2rem; max-width: 36rem; }
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}
.feat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.25rem 1.3rem;
}
.feat-card .tag {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--mint); letter-spacing: 0.06em; text-transform: uppercase;
}
.feat-card h3 {
  font-family: var(--display); font-weight: 600;
  font-size: 1.25rem; margin: 0.45rem 0 0.55rem;
  letter-spacing: -0.015em;
}
.feat-card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.feat-card code {
  color: var(--blue);
  background: rgba(122,175,255,0.08);
  padding: 0.05em 0.3em; border-radius: 3px;
}

.band {
  padding: 2.5rem 0;
  border-block: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(122,175,255,0.05), transparent 40%, rgba(94,234,212,0.04));
}
.band-inner {
  text-align: center;
  font-family: var(--display);
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  letter-spacing: -0.01em;
  color: var(--muted);
}
.band-inner em { color: var(--blue); font-style: normal; }

.api { padding: 4.5rem 0; }
.api-head { max-width: 36rem; margin-bottom: 1.5rem; }
.api-head h2 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  letter-spacing: -0.02em; margin: 0 0 0.65rem;
}
.api-head p { margin: 0; color: var(--muted); }
.api-panels {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 1rem;
  align-items: start;
}
.api-pre {
  margin: 0;
  padding: 1.25rem 1.35rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
  color: #c8d2e0;
}
.api-meta {
  display: flex; flex-direction: column; gap: 1rem;
  padding: 0.25rem 0;
}
.api-meta ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 0.55rem;
}
.api-meta a { text-decoration: none; }
.api-meta li a { color: var(--muted); }
.api-meta li a:hover { color: var(--blue); }

.pkgs { padding: 0 0 4.5rem; }
.pkgs h2 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  margin: 0 0 1.25rem;
}
.pkg-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.pkg-table th, .pkg-table td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
}
.pkg-table th { color: var(--faint); font-weight: 500; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; }
.pkg-table code { color: var(--blue); }
.pkg-table td:first-child { font-family: var(--mono); font-size: 0.88rem; }

.final {
  padding: 5rem 0 4rem;
  text-align: center;
}
.final h2 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: -0.02em; line-height: 1.12;
  margin: 0 0 0.75rem;
}
.final p { color: var(--muted); margin: 0 0 1.75rem; }

.foot {
  border-top: 1px solid var(--line);
  padding: 1.75rem 0 2.25rem;
}
.foot-inner {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 1rem 1.5rem; justify-content: space-between;
}
.brand-mini {
  font-family: var(--display); font-weight: 600; color: var(--ink);
}
.foot nav { display: flex; gap: 1.1rem; flex-wrap: wrap; }
.foot nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.foot nav a:hover { color: var(--ink); }
.foot p { margin: 0; color: var(--faint); font-size: 0.85rem; }

.reveal { opacity: 0; transform: translateY(12px); animation: up 0.7s var(--ease) forwards; }
.reveal.d1 { animation-delay: 0.08s; }
.reveal.d2 { animation-delay: 0.16s; }
.reveal.d3 { animation-delay: 0.24s; }
.reveal.d4 { animation-delay: 0.32s; }
@keyframes up {
  to { opacity: 1; transform: none; }
}

@media (max-width: 960px) {
  .demo { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .api-panels { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .nav a:not(.pill) { display: none; }
  .pane-body { min-height: 220px; }
}
@media (max-width: 560px) {
  .metrics { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; animation: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}