/* site.css — the public pages. Shares the app's palette so the two halves of
   RelayAI feel like one product. */
:root{
  --bg:#0b0d12; --bg2:#11141c; --bg3:#171b25; --line:#242938;
  --fg:#e7eaf3; --muted:#8b93a7; --accent:#22b0ec; --accent2:#1ccece;
  --ok:#4ade80; --warn:#fbbf24; --bad:#f87171;
  --mono:ui-monospace,SFMono-Regular,Menlo,monospace;
  --wrap:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0}
.muted{color:var(--muted)}
code{font-family:var(--mono);font-size:.9em;background:var(--bg3);padding:1px 5px;border-radius:5px}

/* ---------------- nav ---------------- */
.nav{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:20px;
  padding:12px 24px;background:rgba(11,13,18,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)
}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--fg);font-size:17px}
.nav-brand:hover{text-decoration:none}
.nav-links{display:flex;gap:22px;margin-left:12px;flex:1}
.nav-links a{color:var(--muted);font-size:15px}
.nav-links a:hover{color:var(--fg);text-decoration:none}
.nav-cta{display:flex;gap:10px;align-items:center}
.btn{
  display:inline-block;padding:9px 18px;border-radius:999px;font-weight:600;font-size:15px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04121c;border:0;cursor:pointer
}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn.ghost{background:none;color:var(--fg);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.big{padding:14px 30px;font-size:17px}

/* ---------------- hero ---------------- */
.hero{
  max-width:820px;margin:0 auto;padding:76px 24px 56px;text-align:center;position:relative
}
.hero::before{
  content:"";position:absolute;inset:-30% 10% auto;height:420px;z-index:-1;
  background:radial-gradient(closest-side,rgba(34,176,236,.20),transparent 70%)
}
.hero-mark{margin:0 auto 22px;display:block;filter:drop-shadow(0 10px 40px rgba(34,176,236,.4))}
.hero h1{font-size:clamp(34px,6vw,58px);margin-bottom:20px}
.grad{background:linear-gradient(120deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(16px,2.2vw,19px);color:var(--muted);max-width:640px;margin:0 auto 30px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.fineprint{margin-top:22px;font-size:14px;color:var(--muted)}

/* ---------------- stat strip ---------------- */
.strip{
  max-width:var(--wrap);margin:0 auto;padding:0 24px 20px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;text-align:center
}
.strip div{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:20px 12px}
.strip b{display:block;font-size:30px;color:var(--accent)}
.strip span{font-size:14px;color:var(--muted)}

/* ---------------- bands ---------------- */
.band{max-width:var(--wrap);margin:0 auto;padding:64px 24px}
.band.alt{background:var(--bg2);max-width:none;border-block:1px solid var(--line)}
.band.alt>*{max-width:var(--wrap);margin-left:auto;margin-right:auto}
.band h2{font-size:clamp(24px,3.6vw,34px);text-align:center}
.sub{text-align:center;color:var(--muted);margin:10px auto 34px;max-width:600px}

.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:14px}
.steps li{
  counter-increment:s;background:var(--bg2);border:1px solid var(--line);border-radius:14px;
  padding:18px 20px 18px 64px;position:relative
}
.band.alt .steps li{background:var(--bg3)}
.steps li::before{
  content:counter(s);position:absolute;left:20px;top:18px;width:28px;height:28px;
  border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#04121c;font-weight:800;display:grid;place-items:center;font-size:14px
}
.steps b{display:block;margin-bottom:3px}
.steps span{color:var(--muted)}

.relay{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center}
.relay-card{background:var(--bg3);border:1px solid var(--line);border-radius:14px;padding:18px}
.relay-card p{margin:10px 0}
.relay-arrow{font-size:30px;color:var(--accent)}
.tag{
  display:inline-block;font-size:11.5px;padding:2px 10px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted)
}
.tag.out{border-color:rgba(251,191,36,.5);color:var(--warn)}
.tag.in{border-color:rgba(74,222,128,.5);color:var(--ok)}
.note{text-align:center;color:var(--muted);margin-top:24px;font-size:15px}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.card2{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:20px}
.card2 h3{font-size:17px;margin-bottom:8px}
.card2 p{margin:0;color:var(--muted);font-size:15px}

.prov{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.prov h3{margin-bottom:12px}
.prov-row{padding:11px 0;border-top:1px solid var(--line)}
.prov-row a{font-weight:600}
.prov-row span{display:block;font-size:13px;color:var(--muted)}
.pill{font-size:11.5px;border-radius:999px;padding:2px 10px;border:1px solid var(--line);font-weight:600}
.pill.free{color:var(--ok);border-color:rgba(74,222,128,.45)}
.pill.paid{color:var(--warn);border-color:rgba(251,191,36,.45)}

.faq details{
  background:var(--bg2);border:1px solid var(--line);border-radius:14px;
  padding:16px 20px;margin-bottom:10px
}
.faq summary{cursor:pointer;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:" +";color:var(--accent);float:right}
.faq details[open] summary::after{content:" –"}
.faq p{color:var(--muted);margin:12px 0 0;font-size:15px}

.cta{text-align:center;padding:76px 24px;border-top:1px solid var(--line)}
.cta h2{font-size:clamp(24px,3.6vw,34px)}
.cta p{color:var(--muted);margin:12px 0 26px}

/* ---------------- footer ---------------- */
.foot{border-top:1px solid var(--line);background:var(--bg2);padding:34px 24px}
.foot-in{max-width:var(--wrap);margin:0 auto;display:grid;gap:10px}
.foot-in p{margin:0;font-size:14px}
.foot nav{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}
.foot nav a{color:var(--muted)}

/* ---------------- auth forms ---------------- */
.auth{max-width:400px;margin:0 auto;padding:56px 24px 80px;text-align:center}
.auth-mark{width:76px;height:76px;margin:0 auto 18px;display:block;
  filter:drop-shadow(0 8px 30px rgba(34,176,236,.4))}
.auth h1{font-size:26px;margin-bottom:8px}
.auth .sub{margin-bottom:26px}
.auth form{display:grid;gap:12px;text-align:left}
.auth label{font-size:13px;color:var(--muted);display:block;margin-bottom:5px}
.auth input[type=email],.auth input[type=password],.auth input[type=text]{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid var(--line);
  background:var(--bg2);color:var(--fg);font:inherit
}
.auth input:focus{outline:2px solid var(--accent);outline-offset:-1px}
.auth button{width:100%;padding:13px;font-size:16px;margin-top:6px}
.auth .row{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.auth .alt-link{margin-top:22px;font-size:15px;color:var(--muted);text-align:center}
.msg{
  padding:11px 14px;border-radius:11px;font-size:14px;text-align:left;
  border:1px solid rgba(248,113,113,.4);background:rgba(248,113,113,.08);color:#fecaca
}
.msg.good{border-color:rgba(74,222,128,.4);background:rgba(74,222,128,.08);color:#bbf7d0}
.hint{font-size:12.5px;color:var(--muted);margin:-4px 0 0}

@media (max-width:820px){
  .nav-links{display:none}
  .nav{padding:10px 16px}
  .strip{grid-template-columns:1fr;gap:10px}
  .relay{grid-template-columns:1fr}
  .relay-arrow{transform:rotate(90deg);text-align:center}
  .prov{grid-template-columns:1fr;gap:22px}
  .band{padding:48px 16px}
}