/* Marketing site. The dashboard keeps its own app.css. */
:root {
  --bg: #000;
  --panel: #0b0c0d;
  --panel-2: #111214;
  --line: #1e2023;
  --line-2: #2a2d31;
  --txt: #f2f3f5;
  --dim: #8b9099;
  --dim-2: #5e646d;
  --accent: #4ade80;
  --accent-dim: rgba(74, 222, 128, .12);
  --warn: #fbbf24;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--txt);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.shellw { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }
.hide { display: none !important; }
.dim { color: var(--dim); }

h1, h2, h3, h4 { margin: 0; font-weight: 500; letter-spacing: -.03em; line-height: 1.1; }
h1 { font-size: clamp(2.6rem, 6.5vw, 4.5rem); }
h2 { font-size: clamp(1.9rem, 3.8vw, 2.7rem); }
h3 { font-size: 1.35rem; letter-spacing: -.02em; }
h4 { font-size: .98rem; letter-spacing: -.01em; }
p { margin: .6rem 0 0; }

.eyebrow {
  display: inline-block; font-size: .7rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--dim-2); margin-bottom: 1.1rem;
}
.tag {
  display: inline-block; font-size: .68rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .8rem;
}
.tag::before { content: '● '; font-size: .6em; vertical-align: middle; }
.sub { color: var(--dim); font-size: 1.02rem; max-width: 56ch; }
.lede { color: var(--dim); font-size: clamp(1rem, 1.6vw, 1.2rem); max-width: 60ch; margin: 1.4rem 0 0; }
.center { text-align: center; margin-bottom: 4.5rem; }
.center .sub { margin-inline: auto; }

/* nav */
.nav { position: sticky; top: 0; z-index: 40; background: rgba(0,0,0,.72); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 2rem; height: 62px; }
.logo { font-weight: 600; letter-spacing: -.03em; }
.nav-links { display: flex; gap: 1.75rem; margin-left: auto; font-size: .9rem; color: var(--dim); }
.nav-links a:hover { color: var(--txt); }

/* buttons */
.btn {
  display: inline-block; background: var(--txt); color: #000; border: 1px solid var(--txt);
  border-radius: 8px; padding: .7rem 1.3rem; font: inherit; font-size: .92rem; font-weight: 500;
  cursor: pointer; transition: opacity .15s;
}
.btn:hover { opacity: .86; }
.btn-sm { padding: .45rem .95rem; font-size: .85rem; }
.btn-ghost { background: transparent; color: var(--txt); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--dim); opacity: 1; }
.btn.full { width: 100%; }

/* hero */
.hero { padding: clamp(4rem, 11vw, 8rem) 0 5rem; border-bottom: 1px solid var(--line); }
.muted-h1 { color: var(--dim-2); }
.cta-row { display: flex; gap: .75rem; margin-top: 2.2rem; flex-wrap: wrap; }
.fineprint { color: var(--dim-2); font-size: .82rem; margin-top: 1rem; }

.hero-panel { margin-top: 4.5rem; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 1.5rem; }
.panel-head { font-size: .68rem; letter-spacing: .16em; color: var(--dim-2); display: flex; align-items: center; gap: .5rem; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.flow { margin-top: 1.5rem; }
.flow-node {
  background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 10px;
  padding: .7rem 1rem; font-size: .88rem; position: relative;
}
.flow-node.top { width: max-content; margin: 0 auto; }
.flow-node b { display: block; font-weight: 500; }
.flow-node span { color: var(--dim-2); font-size: .76rem; }
.flow-node i { position: absolute; top: .8rem; right: .9rem; width: 6px; height: 6px; border-radius: 50%; }
.flow-node i.ok { background: var(--accent); }
.flow-node i.warn { background: var(--warn); }
.flow-lines { display: block; width: 100%; height: 56px; }
.flow-lines path { fill: none; stroke: var(--line-2); stroke-width: 1.2; }
.flow-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }

/* bands */
.band { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.band.alt { background: linear-gradient(180deg, #050506, #000); border-block: 1px solid var(--line); }

.split { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; margin-bottom: 6rem; }
.split:last-child { margin-bottom: 0; }
.split.reverse .copy { order: 2; }
.split .copy p { color: var(--dim); }

.ticks { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.ticks li { position: relative; padding-left: 1.75rem; margin-bottom: .6rem; font-size: .92rem; color: var(--dim); }
.ticks li::before {
  content: '✓'; position: absolute; left: 0; top: .05rem; width: 1.15rem; height: 1.15rem;
  display: grid; place-items: center; font-size: .62rem;
  border-radius: 50%; background: var(--accent-dim); color: var(--accent);
}

.visual > * { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 1.4rem; }

/* rotation demo */
.rot-row { display: flex; justify-content: space-between; align-items: center; padding: .7rem .2rem; border-bottom: 1px solid var(--line); font-size: .88rem; }
.rot-row:last-child { border-bottom: 0; }
.rot-row span { color: var(--dim-2); font-family: var(--mono); font-size: .8rem; }
.rot-row b { font-weight: 500; }
.rot-row.dim b { color: var(--warn); }
.rot-row b.accent { color: var(--accent); }

/* roas */
.roas-head .k { font-size: .66rem; letter-spacing: .16em; color: var(--dim-2); }
.roas-val { font-size: 2.4rem; font-weight: 500; letter-spacing: -.04em; margin-top: .3rem; display: flex; align-items: baseline; gap: .5rem; }
.roas-val span { font-size: 1.2rem; color: var(--dim-2); }
.roas-val em {
  font-style: normal; font-size: .72rem; font-weight: 600; padding: .18rem .5rem;
  border-radius: 99px; background: var(--accent-dim); color: var(--accent); align-self: center;
}
.roas-chart { width: 100%; height: 90px; margin-top: 1rem; }
.roas-chart polyline { fill: none; stroke: var(--txt); stroke-width: 1.6; stroke-linejoin: round; }
.roas-chart circle { fill: var(--txt); }
.roas-foot { display: flex; justify-content: space-between; font-size: .74rem; color: var(--dim-2); margin-top: .9rem; }
.roas-foot b { color: var(--txt); font-weight: 500; }

/* gate demo */
.gate-step { background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 8px; padding: .55rem .9rem; font-size: .84rem; text-align: center; width: max-content; margin: 0 auto .75rem; }
.gate-step.challenge { color: var(--accent); border-color: rgba(74,222,128,.3); }
.gate-out { display: flex; justify-content: space-between; align-items: center; gap: 1rem; border: 1px solid var(--line); border-radius: 8px; padding: .6rem .9rem; font-size: .84rem; margin-top: .55rem; }
.gate-out span { color: var(--dim); }
.gate-out b { font-weight: 500; font-size: .8rem; }
.gate-out.ok b { color: var(--accent); }
.gate-out.bad b { color: var(--warn); }

/* mini grid */
.grid6 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; margin-top: 5rem; }
.mini { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 1.3rem; }
.mini .ic { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--panel-2); border: 1px solid var(--line-2); font-size: .85rem; margin-bottom: .9rem; }
.mini p { color: var(--dim); font-size: .86rem; }

/* trust */
.feat { display: flex; gap: 1rem; margin-top: 1.8rem; }
.feat .ic { flex: 0 0 auto; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--panel-2); border: 1px solid var(--line-2); font-size: .9rem; }
.feat p { color: var(--dim); font-size: .88rem; }

.console { padding: 1.3rem !important; }
.console-head { display: flex; justify-content: space-between; font-size: .68rem; letter-spacing: .14em; color: var(--dim-2); }
.secret { display: flex; gap: .8rem; align-items: center; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: .85rem 1rem; margin-top: 1.1rem; }
.secret .lock { font-size: .85rem; }
.secret code { font-family: var(--mono); font-size: .92rem; letter-spacing: .04em; }
.secret small { display: block; font-size: .62rem; letter-spacing: .13em; color: var(--dim-2); margin-top: .25rem; }
.storelist { list-style: none; margin: .8rem 0 0; padding: .5rem; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; }
.storelist li { display: flex; justify-content: space-between; align-items: center; padding: .5rem .6rem; font-family: var(--mono); font-size: .8rem; color: var(--dim); }
.storelist li::before { content: '●'; color: var(--dim-2); font-size: .5rem; margin-right: .6rem; }
.storelist li span { margin-right: auto; }
.storelist i { font-style: normal; display: grid; place-items: center; width: 17px; height: 17px; border-radius: 50%; background: var(--accent-dim); color: var(--accent); font-size: .6rem; }
.console-foot { display: flex; align-items: center; gap: .5rem; font-size: .8rem; color: var(--dim); margin-top: 1rem; padding-top: .9rem; border-top: 1px solid var(--line); }
.console-foot em { margin-left: auto; font-style: normal; font-family: var(--mono); font-size: .72rem; color: var(--dim-2); }

/* steps */
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; }
.steps li { counter-increment: s; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 1.4rem; }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--accent-dim); color: var(--accent); font-size: .78rem; font-weight: 600; margin-bottom: .9rem; }
.steps b { display: block; font-weight: 500; margin-bottom: .3rem; }
.steps span { color: var(--dim); font-size: .86rem; }

/* auth */
.auth-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.card.auth { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 1.6rem; }
.tabs { display: flex; gap: .5rem; margin-bottom: 1.2rem; }
.tabs button { flex: 1; background: var(--panel-2); color: var(--dim); border: 1px solid var(--line); border-radius: 8px; padding: .5rem; font: inherit; font-size: .87rem; cursor: pointer; }
.tabs button.on { background: var(--txt); color: #000; border-color: var(--txt); }
label { display: block; font-size: .74rem; color: var(--dim-2); margin: .9rem 0 .3rem; letter-spacing: .02em; }
input {
  width: 100%; background: var(--panel-2); border: 1px solid var(--line-2); color: var(--txt);
  border-radius: 8px; padding: .6rem .75rem; font: inherit; font-size: .9rem;
}
input:focus { outline: none; border-color: var(--dim); }
.msg { font-size: .85rem; color: var(--accent); margin-top: .9rem; }
.msg.bad { color: #f87171; }

footer { border-top: 1px solid var(--line); padding: 2.5rem 0; color: var(--dim-2); font-size: .82rem; }

/* reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .split, .auth-wrap { grid-template-columns: 1fr; }
  .split.reverse .copy { order: 0; }
  .flow-row { grid-template-columns: 1fr; }
  .flow-lines { height: 28px; }
}