:root {
  --bg: #07090b;
  --bg-2: #0d1114;
  --panel: #0f1417;
  --line: #1d2529;
  --line-2: #2a353a;
  --text: #e3ebe6;
  --dim: #87958e;
  --faint: #56625c;
  --acid: #c6f36b;
  --acid-dim: rgba(198, 243, 107, 0.12);
  --amber: #ffb547;
  --red: #ff6b6b;
  --blue: #7cc7ff;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, -apple-system, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(198, 243, 107, 0.07), transparent 60%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  background-position: 0 0, -1px -1px, -1px -1px;
  color: var(--text);
  font: 16px/1.55 var(--sans);
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed; inset: 0;
  background: linear-gradient(to bottom, transparent, var(--bg) 70%);
  pointer-events: none; z-index: -1;
}
.grain { position: fixed; inset: 0; pointer-events: none; opacity: .035; z-index: 50;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E"); }

a { color: var(--acid); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: var(--mono); }
code { font-size: .92em; }
h1, h2, h3 { line-height: 1.1; margin: 0; letter-spacing: -0.02em; }

section, .hero, nav.top, footer { max-width: 1180px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* nav */
nav.top { display: flex; align-items: center; justify-content: space-between; padding-top: 22px; padding-bottom: 22px; gap: 16px; }
.brand { color: var(--text); font: 600 17px var(--mono); letter-spacing: -.02em; display: flex; align-items: center; gap: 10px; }
.brand:hover { text-decoration: none; }
.mark { width: 14px; height: 14px; border: 2px solid var(--acid); border-radius: 50% 50% 45% 45%; box-shadow: 0 0 16px rgba(198,243,107,.5); }
.links { display: flex; gap: 20px; align-items: center; font: 13px var(--mono); }
.links a { color: var(--dim); }
.links a:hover { color: var(--text); }
.net { color: var(--dim); display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line-2); padding: 4px 10px; border-radius: 99px; }
.net i { width: 7px; height: 7px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 10px var(--acid); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }

/* hero */
.hero { padding-top: 72px; padding-bottom: 64px; }
.eyebrow { font: 13px var(--mono); color: var(--acid); letter-spacing: .08em; text-transform: uppercase; margin: 0 0 22px; }
h1 { font-size: clamp(40px, 7.4vw, 92px); font-weight: 700; letter-spacing: -0.045em; }
h1 em { font-style: normal; color: var(--acid); position: relative; }
h1 em::after { content: ""; position: absolute; left: 0; right: 0; bottom: .06em; height: .08em; background: var(--acid); opacity: .35; }
.lede { max-width: 640px; font-size: clamp(17px, 2vw, 20px); color: #b9c6bf; margin: 28px 0 34px; }
.lede b { color: var(--text); font-family: var(--mono); font-weight: 600; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; font: 600 15px var(--mono); padding: 13px 20px; border-radius: 10px; border: 1px solid var(--line-2); color: var(--text); background: var(--panel); cursor: pointer; transition: transform .12s, background .12s, border-color .12s; }
.btn:hover { text-decoration: none; border-color: var(--faint); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--acid); color: #0a0d06; border-color: var(--acid); box-shadow: 0 0 0 0 rgba(198,243,107,.4), 0 10px 40px -10px rgba(198,243,107,.45); }
.btn.primary:hover { background: #d6ff83; }
.btn.big { padding: 16px 24px; font-size: 16px; white-space: nowrap; }
.btn:disabled { opacity: .65; cursor: progress; }

/* demo */
.demo { padding-top: 24px; padding-bottom: 72px; }
.demo-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 22px; }
.demo-head h2 { font-size: clamp(26px, 3.4vw, 38px); }
.demo-head p { color: var(--dim); max-width: 680px; margin: 12px 0 0; }
.console { display: grid; grid-template-columns: 270px minmax(0, 1fr); border: 1px solid var(--line-2); border-radius: 16px; background: rgba(13,17,20,.92); overflow: hidden; box-shadow: 0 40px 120px -40px rgba(0,0,0,.8); }
.meter { border-right: 1px solid var(--line); padding: 22px; position: relative; background: linear-gradient(180deg, rgba(198,243,107,.04), transparent 40%); }
.meter .label { font: 12px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .1em; }
.spent { font: 700 44px/1.1 var(--mono); color: var(--acid); letter-spacing: -.04em; margin: 6px 0 18px; font-variant-numeric: tabular-nums; text-shadow: 0 0 24px rgba(198,243,107,.35); }
.meter.flash .spent { animation: flash .7s ease-out; }
@keyframes flash { 0% { color: #fff; text-shadow: 0 0 40px rgba(198,243,107,.9); } 100% { } }
.meter dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 12px; }
.meter dl .wide { grid-column: 1 / -1; }
.meter dt { font: 11px var(--mono); color: var(--faint); text-transform: uppercase; letter-spacing: .08em; }
.meter dd { margin: 2px 0 0; font: 15px var(--mono); overflow-wrap: anywhere; }
.meter .fine { font-size: 12px; color: var(--faint); margin: 20px 0 0; }

.stream { min-width: 0; display: flex; flex-direction: column; }
.log { height: 560px; overflow-y: auto; padding: 18px 20px 28px; font: 13px/1.5 var(--mono); scrollbar-color: var(--line-2) transparent; }
.idle { color: var(--dim); }
.idle pre { color: var(--faint); margin: 8px 0 18px; white-space: pre-wrap; }
.cursor { color: var(--acid); animation: pulse 1s steps(1) infinite; }

.act { margin: 18px 0 10px; }
.act:first-child { margin-top: 0; }
.act h3 { font: 600 13px var(--mono); color: var(--acid); text-transform: uppercase; letter-spacing: .08em; }
.act p { margin: 4px 0 0; color: var(--dim); font-family: var(--sans); font-size: 14px; }
.act.error h3 { color: var(--red); }
.act.error p { color: var(--red); }

.step { border: 1px solid var(--line); border-left: 3px solid var(--line-2); border-radius: 8px; padding: 10px 12px; margin: 8px 0; background: rgba(7,9,11,.6); animation: enter .28s ease-out; }
.step.who-B { border-left-color: var(--blue); }
.step.who-A { border-left-color: var(--acid); }
@keyframes enter { from { opacity: 0; transform: translateY(6px); } }
.step header { display: flex; align-items: center; gap: 10px; }
.step .who { font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 4px; background: var(--acid-dim); color: var(--acid); }
.step.who-B .who { background: rgba(124,199,255,.12); color: var(--blue); }
.step .title { flex: 1; min-width: 0; color: var(--text); font-weight: 600; overflow-wrap: anywhere; }
.status { font-size: 12px; white-space: nowrap; padding: 2px 8px; border-radius: 99px; border: 1px solid var(--line-2); color: var(--dim); }
.status.pending { animation: pulse 1s infinite; }
.status.paid { color: #0a0d06; background: var(--acid); border-color: var(--acid); font-weight: 700; }
.status.ok { color: var(--acid); border-color: rgba(198,243,107,.4); }
.status.free { color: var(--amber); border-color: rgba(255,181,71,.4); }
.req { color: var(--dim); margin-top: 4px; overflow-wrap: anywhere; }
.verb { color: var(--blue); font-weight: 700; }
.body { margin-top: 4px; }
.line { padding: 3px 0; overflow-wrap: anywhere; }
.line .k { color: var(--faint); display: inline-block; min-width: 84px; }
.line.note { color: var(--faint); font-family: var(--sans); font-size: 13px; }
.line.sent code { color: #b9c6bf; }
.dim { color: var(--dim); }
.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 0 6px; border-radius: 4px; margin-right: 8px; }
.badge.c402 { background: rgba(255,181,71,.15); color: var(--amber); }
.badge.sig { background: rgba(124,199,255,.12); color: var(--blue); }
.badge.ok { background: var(--acid-dim); color: var(--acid); }
.badge.no { background: rgba(255,107,107,.14); color: var(--red); }
.line.challenge b { color: var(--amber); }
.rows { overflow-x: auto; margin-top: 8px; }
.rows table { border-collapse: collapse; font-size: 12.5px; }
.rows th, .rows td { border: 1px solid var(--line-2); padding: 4px 10px; text-align: left; white-space: nowrap; }
.rows th { color: var(--dim); font-weight: 500; background: var(--bg-2); }

.psql { border-top: 1px solid var(--line); padding: 14px 20px 18px; background: rgba(198,243,107,.04); animation: enter .3s ease-out; }
.psql-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; font: 12px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .06em; }
.psql pre { margin: 10px 0 0; padding: 12px 14px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--bg); color: var(--acid); white-space: pre-wrap; word-break: break-all; font-size: 13px; }

.copy { font: 12px var(--mono); color: var(--dim); background: transparent; border: 1px solid var(--line-2); border-radius: 6px; padding: 3px 9px; cursor: pointer; }
.copy:hover { color: var(--text); border-color: var(--faint); }

/* how */
.how { padding-top: 40px; padding-bottom: 72px; }
.how h2, .agents h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 26px; }
.how ol { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.how li { border: 1px solid var(--line-2); border-radius: 14px; padding: 24px; background: rgba(13,17,20,.85); position: relative; overflow: hidden; }
.how li::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--acid), transparent); opacity: .6; }
.how .n { font: 600 13px var(--mono); color: var(--acid); }
.how h3 { font-size: 24px; margin: 10px 0 10px; }
.how p { color: var(--dim); margin: 0; font-size: 15px; }
.how code { color: var(--text); }

/* agents + prices */
.agents { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 48px; padding-top: 20px; padding-bottom: 80px; }
.agents p { color: var(--dim); margin: -12px 0 18px; }
.agents h3 { font: 600 13px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .08em; margin: 26px 0 10px; }
.snippet { position: relative; border: 1px solid var(--line-2); border-radius: 10px; background: var(--panel); }
.snippet .copy { position: absolute; top: 10px; right: 10px; background: var(--panel); }
.snippet pre { margin: 0; padding: 16px 18px; overflow-x: auto; font-size: 13px; line-height: 1.6; color: #c9d5cf; }
#agent-line { color: var(--acid); font-size: 15px; }
#agent-line { white-space: pre-wrap; word-break: break-word; display: block; padding-right: 60px; }
.price-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.price-table th { text-align: left; font: 500 12px var(--mono); color: var(--faint); text-transform: uppercase; letter-spacing: .06em; padding: 0 8px 10px 0; border-bottom: 1px solid var(--line-2); }
.price-table td { padding: 11px 8px 11px 0; border-bottom: 1px solid var(--line); color: var(--dim); vertical-align: top; }
.price-table td code { color: var(--text); font-size: 12.5px; white-space: nowrap; }
.price-table .num { text-align: right; font-family: var(--mono); color: var(--acid); white-space: nowrap; padding-right: 0; }
.limits { color: var(--dim); font-size: 14px; padding-left: 18px; margin: 22px 0 0; }
.limits li { margin: 6px 0; }

footer { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 28px; padding-bottom: 40px; border-top: 1px solid var(--line); color: var(--faint); font: 13px var(--mono); }
footer a { color: var(--dim); }

/* narrow */
@media (max-width: 900px) {
  .demo-head { flex-direction: column; align-items: stretch; }
  .console { grid-template-columns: minmax(0, 1fr); }
  .meter { border-right: 0; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 2; background: rgba(13,17,20,.97); padding: 16px; }
  .meter .spent { font-size: 34px; margin-bottom: 12px; }
  .meter dl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .meter dl .wide { grid-column: auto; }
  .meter .fine { display: none; }
  .how ol { grid-template-columns: minmax(0, 1fr); }
  .agents { grid-template-columns: minmax(0, 1fr); gap: 40px; }
}
@media (max-width: 560px) {
  section, .hero, nav.top, footer { padding-left: 16px; padding-right: 16px; }
  .links a { display: none; }
  .hero { padding-top: 40px; padding-bottom: 44px; }
  .cta .btn { flex: 1 1 100%; }
  .log { height: 520px; padding: 14px 12px 22px; font-size: 12.5px; }
  .line .k { min-width: 0; margin-right: 8px; }
  .price-table td:nth-child(2), .price-table th:nth-child(2) { display: none; }
}