/* Mirrors the steadygg.com (Replit) theme tokens. */
:root {
  --background: 240 5% 4%;
  --foreground: 240 5% 96%;
  --card: 240 5% 7%;
  --primary: 226 100% 52%;
  --primary-foreground: 0 0% 100%;
  --muted-foreground: 240 5% 68%;
  --border: 240 5% 40%;
  --grid-line: rgba(255, 255, 255, 0.045);
  --sans: "Inter", sans-serif;
  --display: "Plus Jakarta Sans", sans-serif;
  --mono: "JetBrains Mono", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: hsl(var(--background));
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center top;
  background-attachment: fixed;
  color: hsl(var(--foreground));
  font: 500 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--display); letter-spacing: -0.02em; margin: 0; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 780px; margin: 0 auto; padding: 0 24px; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; z-index: 100; background: hsl(var(--primary)); color: #fff; padding: 8px 12px; }
:focus-visible { outline: 2px solid hsl(var(--primary)); outline-offset: 2px; }

/* Header */
header.site { position: sticky; top: 0; z-index: 40; background: hsl(var(--background) / 0.95); backdrop-filter: blur(16px); border-bottom: 1px solid hsl(var(--border) / 0.6); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand .mark { width: 32px; height: 32px; display: grid; place-items: center; background: hsl(var(--foreground)); color: hsl(var(--background)); border-radius: 2px; font: 700 13px/1 var(--mono); transition: background .2s; }
.brand:hover .mark { background: hsl(var(--primary)); color: #fff; }
.brand .name { font: 700 19px/1 var(--display); letter-spacing: -0.02em; }
nav.links { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
nav.links a { text-decoration: none; font-size: 14px; font-weight: 600; letter-spacing: .02em; color: hsl(var(--foreground) / 0.7); }
nav.links a:hover, nav.links a[aria-current] { color: hsl(var(--foreground)); }
nav.links a.btn { color: hsl(var(--background)); }
nav.links a.btn:hover { color: #fff; }
.btn { display: inline-flex; align-items: center; gap: 10px; height: 48px; padding: 0 24px; border: 0; border-radius: 0; cursor: pointer; text-decoration: none; font: 700 13px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; background: hsl(var(--foreground)); color: hsl(var(--background)); transition: background .2s, color .2s; }
.btn:hover { background: hsl(var(--primary)); color: #fff; }
.btn.small { height: 40px; padding: 0 18px; font-size: 12px; }
.btn.ghost { background: transparent; color: hsl(var(--foreground)); box-shadow: inset 0 0 0 1px hsl(var(--border)); }
.btn.ghost:hover { box-shadow: inset 0 0 0 1px hsl(var(--primary)); background: transparent; color: hsl(var(--foreground)); }

/* Labels */
.eyebrow { display: flex; align-items: center; gap: 14px; font: 600 12px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: hsl(var(--foreground) / 0.7); margin-bottom: 28px; flex-wrap: wrap; }
.eyebrow .sq { width: 10px; height: 10px; background: hsl(var(--primary)); }
.eyebrow .rule { width: 56px; height: 1px; background: hsl(var(--border)); }
.eyebrow .hl { color: hsl(var(--primary)); }
.kicker { display: flex; align-items: center; gap: 14px; font: 500 13px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: hsl(var(--primary)); margin-bottom: 20px; }
.kicker::before { content: ""; width: 32px; height: 1px; background: hsl(var(--primary)); }

/* Hero */
.hero { position: relative; padding: 96px 0 80px; overflow: hidden; }
.hero::before { content: ""; position: absolute; top: -40vw; right: -40vw; width: 80vw; height: 80vw; border-radius: 50%; background: hsl(var(--primary) / 0.06); filter: blur(120px); pointer-events: none; }
.hero h1 { font-weight: 800; font-size: clamp(48px, 10vw, 128px); line-height: .9; letter-spacing: -0.05em; text-transform: uppercase; margin-bottom: 40px; }
.hero h1 .outline { color: transparent; -webkit-text-stroke: 2px hsl(var(--foreground)); }
.hero-grid { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; }
.hero .lead { font-size: clamp(19px, 2.2vw, 24px); line-height: 1.35; color: hsl(var(--foreground) / 0.7); max-width: 620px; margin: 0; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Sections */
.section { padding: 96px 0; border-top: 1px solid hsl(var(--border) / 0.6); }
.section h2 { font-weight: 700; font-size: clamp(34px, 5.5vw, 64px); line-height: .95; letter-spacing: -0.04em; text-transform: uppercase; }
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; margin-bottom: 56px; }
.section-head p { font-size: 19px; color: hsl(var(--foreground) / 0.6); margin: 0; max-width: 460px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: hsl(var(--border) / 0.6); border: 1px solid hsl(var(--border) / 0.6); }
.card { background: hsl(var(--background)); padding: 40px; transition: background .2s; }
.card:hover { background: hsl(var(--foreground) / 0.04); }
.card .num { font: 500 12px/1 var(--mono); color: hsl(var(--foreground) / 0.4); margin-bottom: 40px; }
.card h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.card p { margin: 0; color: hsl(var(--foreground) / 0.6); }
.card ul { margin: 0; padding-left: 18px; color: hsl(var(--foreground) / 0.7); }
.card li + li { margin-top: 6px; }

/* Inverted SMS section (matches the light "friction point" band) */
.invert { background: hsl(var(--foreground)); color: hsl(var(--background)); position: relative; }
.invert::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(to right, transparent, hsl(var(--primary)), transparent); opacity: .5; }
.invert .card { background: hsl(var(--foreground)); }
.invert .card:hover { background: hsl(var(--background) / 0.04); }
.invert .cards { background: hsl(var(--background) / 0.15); border-color: hsl(var(--background) / 0.15); }
.invert .card p, .invert .card ul, .invert .section-head p { color: hsl(var(--background) / 0.7); }
.invert .card .num { color: hsl(var(--primary)); }
.invert a { color: hsl(var(--primary)); }
.fine { margin: 32px 0 0; font-size: 14px; color: hsl(var(--background) / 0.65); max-width: 900px; }

/* CTA band */
.cta-band { background: hsl(var(--primary)); color: #fff; padding: 96px 0; text-align: center; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(to right, rgba(255,255,255,.1) 1px, transparent 1px), linear-gradient(to bottom, rgba(255,255,255,.1) 1px, transparent 1px); background-size: 100px 100px; }
.cta-band .wrap { position: relative; }
.cta-band .tag { font: 500 13px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; opacity: .8; margin-bottom: 24px; }
.cta-band h2 { font-weight: 700; font-size: clamp(38px, 7vw, 84px); line-height: .9; letter-spacing: -0.04em; text-transform: uppercase; margin-bottom: 28px; }
.cta-band p { font-size: 19px; max-width: 640px; margin: 0 auto 36px; opacity: .85; }
.cta-band .btn { background: hsl(var(--background)); color: hsl(var(--foreground)); }
.cta-band .btn:hover { background: #fff; color: hsl(var(--background)); }

/* Legal pages */
.legal { padding: 72px 0 96px; }
.legal h1 { font-weight: 800; font-size: clamp(38px, 6vw, 64px); line-height: .95; letter-spacing: -0.04em; text-transform: uppercase; margin-bottom: 16px; }
.legal .updated { font: 500 13px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: hsl(var(--primary)); margin: 0 0 40px; }
.legal h2 { font-size: 22px; font-weight: 700; margin: 44px 0 12px; padding-top: 20px; border-top: 1px solid hsl(var(--border) / 0.5); }
.legal p, .legal li { color: hsl(var(--foreground) / 0.78); }
.legal strong { color: hsl(var(--foreground)); }
.legal a { color: hsl(226 100% 76%); }
.legal ul { padding-left: 20px; }
.legal li + li { margin-top: 6px; }
.callout { border: 1px solid hsl(var(--border) / 0.7); background: hsl(var(--card)); padding: 24px 28px; margin: 24px 0; }
.callout p { margin: 0; }
.callout p + p { margin-top: 14px; }
.toc { columns: 2; column-gap: 32px; padding-left: 20px; }

/* Footer (light, like steadygg.com) */
footer.site { background: hsl(var(--foreground)); color: hsl(var(--background)); padding: 80px 0 40px; }
.footgrid { display: grid; grid-template-columns: 6fr 3fr 3fr; gap: 48px; margin-bottom: 56px; }
footer.site .brand .mark { background: hsl(var(--primary)); color: #fff; width: 40px; height: 40px; }
footer.site .brand .name { font-size: 24px; }
footer.site .about { color: hsl(var(--background) / 0.6); font-size: 17px; max-width: 400px; margin: 24px 0 16px; }
footer.site .addr { color: hsl(var(--background) / 0.7); font-size: 15px; }
footer.site h4 { font: 700 13px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: hsl(var(--background) / 0.4); margin-bottom: 24px; }
footer.site ul { list-style: none; margin: 0; padding: 0; }
footer.site li + li { margin-top: 14px; }
footer.site ul a { text-decoration: none; color: hsl(var(--background) / 0.8); }
footer.site ul a:hover { color: hsl(var(--primary)); }
.foot-bottom { border-top: 1px solid hsl(var(--background) / 0.1); padding-top: 28px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font: 500 12px/1.6 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: hsl(var(--background) / 0.45); }
.foot-bottom a { text-decoration: none; }
.foot-bottom a:hover { color: hsl(var(--primary)); }
.foot-bottom nav { display: flex; gap: 24px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero-grid, .section-head, .footgrid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .toc { columns: 1; }
}
@media (max-width: 640px) {
  .wrap, .wrap-narrow { padding: 0 16px; }
  nav.links { gap: 16px; }
  nav.links .btn { display: none; }
  .hero { padding: 64px 0 56px; }
  .section, .cta-band { padding: 64px 0; }
  .card { padding: 28px; }
}