/* ============================ Engram — project site ============================ */
:root{
  --bg:#0a0d12;
  --bg-2:#0c1119;
  --panel:#10161f;
  --panel-2:#131b26;
  --line:#1e2733;
  --line-2:#27323f;
  --fg:#e7edf4;
  --mut:#8a97a8;
  --mut-2:#647082;

  --org:#ff7a2d;   /* primary accent — warm Splunk-spirit orange */
  --org-soft:rgba(255,122,45,.14);
  --grn:#34d399;   /* forecast / success green */
  --grn-soft:rgba(52,211,153,.13);
  --blu:#5aa9ff;   /* secondary cool accent */
  --blu-soft:rgba(90,169,255,.12);

  --radius:14px;
  --maxw:1120px;
  --shadow:0 18px 50px -24px rgba(0,0,0,.8);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;margin:0;letter-spacing:-.02em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.accent{color:var(--org)}

/* ---------- ambient background ---------- */
.bg-grid{
  position:fixed;inset:0;z-index:-2;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 30%,transparent 78%);
}
.bg-glow{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(640px 420px at 78% -6%,var(--org-soft),transparent 60%),
    radial-gradient(560px 420px at 8% 4%,var(--grn-soft),transparent 60%);
}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(140%) blur(10px);
  background:rgba(10,13,18,.72);border-bottom:1px solid var(--line);
}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:13px 24px;
  display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800}
.brand-mark{color:var(--org);display:grid;place-items:center}
.brand-name{letter-spacing:.22em;font-size:15px}
.nav-links{display:flex;gap:22px;margin-left:8px;font-size:14px;color:var(--mut)}
.nav-links a{transition:color .15s}
.nav-links a:hover{color:var(--fg)}
.nav-cta{margin-left:auto}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:14px;
  padding:11px 18px;border-radius:10px;border:1px solid transparent;
  transition:transform .12s ease,background .15s,border-color .15s,box-shadow .15s;cursor:pointer}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--org);color:#150a02;box-shadow:0 10px 28px -10px rgba(255,122,45,.7)}
.btn-primary:hover{background:#ff8c47}
.btn-ghost{border-color:var(--line-2);color:var(--fg);background:rgba(255,255,255,.02);font-size:13px;padding:8px 14px}
.btn-ghost:hover{border-color:var(--org);color:var(--org)}
.btn-disabled{border:1px dashed var(--line-2);color:var(--mut-2);background:transparent;cursor:not-allowed;font-weight:500}
.btn-demo{border:1px solid var(--grn);color:var(--grn);background:var(--grn-soft)}
.btn-demo:hover{background:rgba(52,211,153,.2);box-shadow:0 8px 24px -12px rgba(52,211,153,.6)}

/* ---------- hero ---------- */
.hero{padding:72px 0 36px}
.hero-grid{display:grid;grid-template-columns:1.15fr .95fr;gap:46px;align-items:center}
.status-pill{display:inline-flex;align-items:center;gap:9px;
  font:600 11px/1 "JetBrains Mono",monospace;letter-spacing:.16em;
  color:var(--grn);background:var(--grn-soft);border:1px solid rgba(52,211,153,.28);
  padding:7px 12px;border-radius:999px;margin-bottom:22px}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--grn);
  box-shadow:0 0 0 0 rgba(52,211,153,.55);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(52,211,153,.5)}70%{box-shadow:0 0 0 7px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
.hero h1{font-size:clamp(34px,5.2vw,58px);font-weight:800}
.lede{color:var(--mut);font-size:clamp(15px,1.7vw,18px);margin:20px 0 28px;max-width:33em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.loop-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:30px;
  font:600 12px/1 "JetBrains Mono",monospace;letter-spacing:.1em;color:var(--mut)}
.loop-tags span{padding:6px 11px;border:1px solid var(--line-2);border-radius:8px;
  background:var(--panel);color:var(--fg)}
.loop-tags i{color:var(--org);font-style:normal}
.loop-tags i.loop{color:var(--grn);font-size:15px}

/* console card */
.hero-console{background:linear-gradient(180deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.console-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;
  border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.cdot{width:11px;height:11px;border-radius:50%}
.cdot.r{background:#ff5f57}.cdot.y{background:#febc2e}.cdot.g{background:#28c840}
.console-title{margin-left:8px;font:500 12px/1 "JetBrains Mono",monospace;color:var(--mut)}
.console-body{margin:0;padding:18px;font:500 12.5px/1.85 "JetBrains Mono",monospace;
  color:var(--fg);white-space:pre-wrap;overflow-x:auto}
.c-mut{color:var(--mut-2)}.c-acc{color:var(--blu)}.c-org{color:var(--org)}.c-grn{color:var(--grn)}
.cursor{color:var(--org);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---------- sections ---------- */
.section{padding:74px 0;border-top:1px solid var(--line)}
.section-alt{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.eyebrow{font:700 12px/1 "JetBrains Mono",monospace;letter-spacing:.2em;
  text-transform:uppercase;color:var(--org);margin:0 0 14px}
.section h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;max-width:18em}
.section-lede{color:var(--mut);font-size:clamp(15px,1.6vw,17px);max-width:46em;margin:18px 0 0}

/* ---------- cards ---------- */
.cards-3,.cards-grid{display:grid;gap:18px;margin-top:38px}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-grid{grid-template-columns:repeat(3,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:transform .18s,border-color .18s,background .18s}
.card:hover{transform:translateY(-3px);border-color:var(--line-2);background:var(--panel-2)}
.card h3{font-size:17px;margin-bottom:8px}
.card p{color:var(--mut);font-size:14.5px;margin:0}
.card-ic{font-size:22px;margin-bottom:14px;width:44px;height:44px;border-radius:11px;
  display:grid;place-items:center;background:var(--org-soft);color:var(--org);
  border:1px solid rgba(255,122,45,.22)}
.card-ic.org{background:var(--org-soft);color:var(--org);border-color:rgba(255,122,45,.22)}
.card-ic.grn{background:var(--grn-soft);color:var(--grn);border-color:rgba(52,211,153,.22)}
.card-ic.blu{background:var(--blu-soft);color:var(--blu);border-color:rgba(90,169,255,.22)}

/* ---------- agents ---------- */
.agent-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.agent{position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 22px;overflow:hidden;
  transition:transform .18s,border-color .18s}
.agent::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--a)}
.agent:hover{transform:translateY(-4px);border-color:var(--line-2)}
.agent header{display:flex;align-items:center;gap:13px;margin-bottom:14px}
.agent-ic{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;
  color:var(--a);background:color-mix(in srgb,var(--a) 14%,transparent);
  border:1px solid color-mix(in srgb,var(--a) 30%,transparent);flex:none}
.agent h3{font-size:18px}
.agent .stage{font:600 11px/1 "JetBrains Mono",monospace;letter-spacing:.12em;
  text-transform:uppercase;color:var(--a)}
.agent p{color:var(--mut);font-size:14.5px;margin:0}
.agent em{color:var(--fg);font-style:normal;font-weight:600}

/* ---------- architecture diagram ---------- */
.diagram{display:flex;align-items:stretch;gap:10px;flex-wrap:wrap;margin-top:40px;
  padding:30px 24px 56px;position:relative;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.dnode{flex:1 1 0;min-width:150px;background:var(--bg-2);border:1px solid var(--line-2);
  border-radius:12px;padding:18px 16px;display:flex;flex-direction:column;gap:6px;justify-content:center}
.dnode .dlabel{font-weight:700;font-size:14.5px}
.dnode .dsub{color:var(--mut);font-size:12px}
.dnode.splunk{border-color:rgba(52,211,153,.4);box-shadow:inset 0 0 0 1px rgba(52,211,153,.06)}
.dnode.mcp{border-color:rgba(90,169,255,.4)}
.dnode.engram{flex:1.5 1 0;border-color:rgba(255,122,45,.5);background:linear-gradient(180deg,rgba(255,122,45,.06),var(--bg-2))}
.dnode.engram .dlabel{color:var(--org)}
.dagents{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.dagents span{font:600 11px/1 "JetBrains Mono",monospace;padding:5px 8px;border-radius:6px;
  background:var(--panel-2);border:1px solid var(--line-2);color:var(--fg)}
.dchev{display:grid;place-items:center;color:var(--org);font-size:20px;flex:none}
.dreturn{position:absolute;left:24px;right:24px;bottom:16px;display:flex;align-items:center;gap:12px}
.dreturn-line{flex:1;height:1px;background:repeating-linear-gradient(90deg,var(--grn) 0 8px,transparent 8px 16px);opacity:.6}
.dreturn-label{font:600 12px/1 "JetBrains Mono",monospace;color:var(--grn);white-space:nowrap}

/* ---------- honest note ---------- */
.note{margin-top:26px;background:linear-gradient(180deg,rgba(255,122,45,.05),transparent);
  border:1px solid var(--line-2);border-left:3px solid var(--org);
  border-radius:12px;padding:22px 24px}
.note-tag{font:700 11px/1 "JetBrains Mono",monospace;letter-spacing:.14em;text-transform:uppercase;
  color:var(--org);margin-bottom:10px}
.note p{margin:0;color:var(--mut);font-size:15px}
.note strong{color:var(--fg);font-weight:600}

/* ---------- stack chips ---------- */
.stack{display:flex;flex-wrap:wrap;gap:11px;margin-top:34px}
.chip{font:500 13.5px/1 "JetBrains Mono",monospace;padding:10px 14px;border-radius:9px;
  background:var(--panel);border:1px solid var(--line-2);color:var(--fg);transition:border-color .15s,color .15s}
.chip:hover{border-color:var(--org);color:var(--org)}
.chip-sub{color:var(--mut);font-size:11px}

/* ---------- validation ---------- */
.proof{margin-top:38px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px 28px}
.proof-steps{list-style:none;margin:0;padding:0}
.proof-steps li{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.proof-steps li:last-child{border-bottom:none}
.ps-n{font:800 18px/1 "JetBrains Mono",monospace;color:var(--org);min-width:32px}
.proof-steps b{color:var(--fg)}
.proof-steps div{color:var(--mut);font-size:15px}
.grade{display:inline-block;font:700 12px/1 "JetBrains Mono",monospace;color:#0c2a1d;
  background:var(--grn);padding:4px 8px;border-radius:6px;vertical-align:middle}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:46px 0 34px;background:var(--bg-2)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:13px}
.footer-tag{color:var(--mut);font-size:13px}
.footer-links{display:flex;align-items:center;gap:22px;font-size:14px}
.footer-links a{color:var(--fg);transition:color .15s}
.footer-links a:hover{color:var(--org)}
.footer-soon{color:var(--mut-2)}
.footer-fine{margin-top:24px;color:var(--mut-2);font-size:12px;line-height:1.6}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .status-pill .dot,.cursor{animation:none}
}

/* ---------- responsive ---------- */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero{padding:48px 0 24px}
  .cards-3,.cards-grid{grid-template-columns:repeat(2,1fr)}
  .agent-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .diagram{flex-direction:column;padding-bottom:30px}
  .dchev{transform:rotate(90deg)}
  .dreturn{position:static;margin-top:8px}
  .dreturn-label{white-space:normal}
}
@media (max-width:560px){
  .cards-3,.cards-grid,.agent-grid{grid-template-columns:1fr}
  .container,.nav-inner{padding-left:18px;padding-right:18px}
  .section{padding:54px 0}
  .footer-inner{flex-direction:column;align-items:flex-start}
}