:root {
  --ink: #0c0d10;
  --ink-2: #0f1014;
  --surface: #14161b;
  --surface-2: #181b22;
  --line: #23262f;
  --line-soft: #1a1d24;
  --text: #ececee;
  --muted: #888d99;
  --faint: #5a5f6c;
  --amber: #f5b13d;
  --amber-bright: #ffc766;
  --green: #62cf86;
  --display: "Space Grotesk", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --maxw: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* faint top hairline accent */
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: 0.5;
  z-index: 100;
}

a { color: inherit; text-decoration: none; }
em { font-style: normal; color: var(--text); font-weight: 600; }
code { font-family: var(--mono); }

.eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--amber);
  margin: 0 0 18px;
  text-transform: lowercase;
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 28px;
  background: rgba(12, 13, 16, 0.72);
  backdrop-filter: blur(10px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.mark { display: block; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { color: var(--muted); font-size: 14.5px; font-weight: 500; transition: color .18s; }
.nav-links a:hover { color: var(--text); }
.src-link {
  font-family: var(--mono);
  color: var(--text) !important;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.src-link:hover { border-color: var(--amber); color: var(--amber) !important; }

/* ---------- hero ---------- */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 84px 28px 64px;
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 60px;
  align-items: center;
}
/* prevent long, non-wrapping code from blowing out the grid tracks */
.hero-copy, .terminal { min-width: 0; }
.hero h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.6rem, 5.4vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 0 0 24px;
}
.lede {
  font-size: 1.16rem;
  color: var(--muted);
  max-width: 520px;
  margin: 0 0 32px;
}

.install {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 13px 13px 16px;
  font-family: var(--mono);
  font-size: 13px;
}
.install .sigil { color: var(--amber); font-weight: 700; }
.install code {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  color: var(--text);
}
.install code::-webkit-scrollbar { display: none; }

.copy-btn {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 6px 12px;
  cursor: pointer;
  transition: all .18s;
}
.copy-btn:hover { color: var(--amber); border-color: var(--amber); }
.copy-btn.copied { color: var(--green); border-color: var(--green); }

.cta { display: flex; gap: 14px; margin: 32px 0 30px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: 9px;
  border: 1px solid var(--line);
  transition: transform .15s, border-color .18s, background .18s, color .18s;
}
.btn.primary {
  background: var(--amber);
  border-color: var(--amber);
  color: #1a1205;
  font-weight: 700;
}
.btn.primary:hover { background: var(--amber-bright); border-color: var(--amber-bright); transform: translateY(-2px); }
.btn.ghost { color: var(--text); }
.btn.ghost:hover { border-color: var(--text); transform: translateY(-2px); }

.meta {
  list-style: none;
  display: flex;
  gap: 26px;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  flex-wrap: wrap;
}
.meta .k { color: var(--faint); margin-right: 8px; }

/* ---------- terminal ---------- */
.terminal {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9);
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 15px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.tdot { width: 11px; height: 11px; border-radius: 50%; background: #2c303b; }
.term-title { margin-left: 10px; color: var(--faint); font-family: var(--mono); font-size: 12px; }
.term-body {
  margin: 0;
  padding: 20px 22px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.75;
  height: 408px;
  overflow-y: auto;
  scrollbar-width: none;
  white-space: pre-wrap;
  word-break: break-word;
}
.term-body::-webkit-scrollbar { display: none; }
.t-dim { color: var(--faint); }
.t-accent { color: var(--amber); }
.t-green { color: var(--green); }
.t-muted { color: var(--muted); }
.t-white { color: #f6f7f9; }
.cursor-blink::after {
  content: "▋";
  color: var(--amber);
  animation: blink 1.1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- flow ---------- */
.flow-wrap {
  max-width: var(--maxw);
  margin: 8px auto 0;
  padding: 0 28px;
}
.flow {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 26px 4px;
}
.flow-step { display: flex; flex-direction: column; gap: 3px; }
.flow-k {
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
}
.flow-v { font-size: 13px; color: var(--muted); }
.flow-v code { color: var(--amber); font-size: 12px; }
.flow-sep { color: var(--faint); font-family: var(--mono); }
.flow-loop {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--amber);
  border: 1px dashed var(--line);
  padding: 6px 12px;
  border-radius: 999px;
}

/* ---------- sections ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: 96px 28px; }
.sec-head { margin-bottom: 52px; max-width: 720px; }
.sec-head h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.9rem, 3.8vw, 2.9rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0;
}

/* ---------- features ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.feat {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 24px 30px;
  position: relative;
  transition: background .2s;
}
.feat:hover { background: var(--surface); }
.feat .idx {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
  letter-spacing: 0.05em;
}
.feat h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  margin: 14px 0 9px;
}
.feat p { margin: 0; color: var(--muted); font-size: 14px; }
.feat code { color: var(--amber); font-size: 12.5px; }
.feat::after {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--amber);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .22s;
}
.feat:hover::after { transform: scaleY(1); }

/* ---------- how ---------- */
.how {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 52px;
  align-items: start;
}
.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.steps li { display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line-soft); }
.steps li:first-child { padding-top: 0; }
.step-n {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--amber);
  padding-top: 2px;
}
.steps h4 { font-family: var(--display); font-weight: 600; margin: 0 0 6px; font-size: 17px; }
.steps p { margin: 0; color: var(--muted); font-size: 14.5px; }
.steps code { color: var(--amber); font-size: 13px; }

.schema {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.schema-head {
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--surface);
}
.code {
  margin: 0;
  padding: 20px 22px;
  font-family: var(--mono);
  font-size: 12.8px;
  line-height: 1.8;
  overflow-x: auto;
  color: var(--text);
}
.c-p { color: var(--faint); }
.c-k { color: var(--amber); }
.c-s { color: var(--green); }
.c-c { color: var(--faint); font-style: italic; }
.c-fl { color: #d8a0ff; }

/* ---------- install ---------- */
.install-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-bottom: 44px; }
.panel { background: var(--ink-2); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 14px 11px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
}

.backends {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 40px;
}
.backend-label {
  display: block;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--faint);
  margin-bottom: 16px;
}
.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  font-family: var(--mono);
  font-size: 13px;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

/* ---------- config ---------- */
.conf { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.conf-row {
  display: grid;
  grid-template-columns: 120px 280px 1fr;
  gap: 22px;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}
.conf-row:last-child { border-bottom: none; }
.conf-tag {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: #1a1205;
  background: var(--amber);
  padding: 4px 11px;
  border-radius: 6px;
  justify-self: start;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.conf-row code { color: var(--text); font-size: 13px; }
.conf-desc { color: var(--muted); font-size: 14px; }

/* ---------- closer ---------- */
.closer { max-width: var(--maxw); margin: 30px auto 0; padding: 0 28px 110px; }
.closer-inner {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 64px 40px;
  text-align: center;
  background:
    repeating-linear-gradient(135deg, transparent, transparent 9px, rgba(245,177,61,0.02) 9px, rgba(245,177,61,0.02) 10px),
    var(--ink-2);
}
.closer-inner h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}
.closer-inner > p { color: var(--muted); margin: 0 0 28px; }
.closer-install { max-width: 440px; margin: 0 auto 26px; text-align: left; }
.closer .cta { justify-content: center; margin: 0; }

/* ---------- footer ---------- */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 34px 28px 60px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13.5px;
}
.footer .brand { font-size: 15px; }
.footer p { margin: 0; }
.footer code { color: var(--amber); font-size: 12.5px; }
.footer a:not(.brand) { color: var(--muted); border-bottom: 1px solid transparent; transition: color .18s, border-color .18s; }
.footer p a { color: var(--text); }
.footer-links { display: flex; gap: 22px; font-family: var(--mono); font-size: 13px; }
.footer-links a:hover { color: var(--amber); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 44px; padding-top: 52px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .how { grid-template-columns: 1fr; gap: 36px; }
  .install-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.src-link) { display: none; }
  .flow-loop { margin-left: 0; }
  .conf-row { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 540px) {
  .grid { grid-template-columns: 1fr; }
  .install { font-size: 11px; }
  .footer { flex-direction: column; text-align: center; }
  .meta { gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .cursor-blink::after { animation: none; }
  html { scroll-behavior: auto; }
}