/* =========================================================================
   relay.polecat.live — marketing landing page
   Shares the polecat design tokens; self-contained (independent of the app).
   ========================================================================= */
:root{
  --bg:#0a0a0f; --surface:#111118; --surface-2:#18181f; --surface-3:#222230;
  --border:#2a2a3c; --text:#e8e8f2; --text-2:#8888aa; --text-3:#4a4a6a;
  --consensus:#9333ea; --brand-a:#9C6B3F; --brand-b:#d4773b; --brand-c:#F4A6A6;
  --success:#34d399;
  --radius:14px; --radius-lg:22px;
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --mono:'SF Mono','Fira Code',ui-monospace,monospace;
  --grad:linear-gradient(120deg,var(--brand-b),var(--consensus) 55%,var(--brand-c));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* aurora */
.aurora{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.aurora span{position:absolute;width:62vmax;height:62vmax;border-radius:50%;
  filter:blur(80px);opacity:.26;mix-blend-mode:screen;animation:drift 28s ease-in-out infinite}
.aurora span:nth-child(1){background:var(--brand-b);top:-24vmax;left:-12vmax}
.aurora span:nth-child(2){background:var(--consensus);top:6vmax;right:-14vmax;animation-delay:-10s}
.aurora span:nth-child(3){background:var(--brand-c);bottom:-28vmax;left:24vmax;animation-delay:-18s;opacity:.16}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(6vmax,4vmax) scale(1.1)}66%{transform:translate(-5vmax,3vmax) scale(.95)}}

.wrap{width:min(1140px,92vw);margin:0 auto;position:relative;z-index:1}

/* ---- nav --------------------------------------------------------------- */
header.nav{position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--bg) 72%,transparent);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .2s}
header.nav.scrolled{border-color:var(--border)}
.nav-in{display:flex;align-items:center;gap:14px;padding:15px 0}
.brand{display:flex;align-items:center;gap:11px;font-weight:650;font-size:17px}
.brand img{width:30px;height:30px;filter:drop-shadow(0 3px 8px rgba(147,51,234,.4))}
.brand small{color:var(--text-2);font-weight:500;font-size:12px}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--text-2);font-size:14px;font-weight:500;transition:color .15s}
.nav-links a:hover{color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:11px;
  font-weight:600;font-size:14px;font-family:inherit;cursor:pointer;border:1px solid var(--border);
  background:var(--surface-2);color:var(--text);transition:.16s;white-space:nowrap}
.btn:hover{background:var(--surface-3);border-color:var(--text-3);transform:translateY(-1px)}
.btn.primary{background:var(--grad);border-color:transparent;color:#fff;
  box-shadow:0 8px 26px rgba(147,51,234,.34)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.lg{padding:14px 26px;font-size:15.5px}
@media(max-width:720px){.nav-links a:not(.btn){display:none}}

/* ---- hero -------------------------------------------------------------- */
.hero{padding:78px 0 40px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:999px;
  border:1px solid var(--border);background:color-mix(in srgb,var(--surface) 70%,transparent);
  font-size:11.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--text-2);font-weight:600}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--success);
  box-shadow:0 0 10px var(--success);animation:blink 2s infinite}
@keyframes blink{50%{opacity:.4}}
.hero h1{font-size:clamp(38px,6vw,68px);line-height:1.05;letter-spacing:-1.8px;
  font-weight:750;margin:26px auto 0;max-width:14ch}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(16px,2vw,20px);color:var(--text-2);max-width:60ch;margin:24px auto 0;line-height:1.55}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.trust{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.trust .chip{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;
  background:color-mix(in srgb,var(--surface) 60%,transparent);border:1px solid var(--border);
  font-size:12.5px;color:var(--text-2)}
.trust .chip svg{width:14px;height:14px;color:var(--success)}

/* ---- browser mockup ---------------------------------------------------- */
.shot{margin:56px auto 0;width:min(1080px,96vw);border-radius:var(--radius-lg);
  border:1px solid var(--border);overflow:hidden;background:var(--surface);
  box-shadow:0 40px 120px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.02);
  position:relative;z-index:1}
.shot .bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--surface-2);
  border-bottom:1px solid var(--border)}
.shot .bar i{width:11px;height:11px;border-radius:50%;background:var(--surface-3)}
.shot .bar i:nth-child(1){background:#ff5f57}.shot .bar i:nth-child(2){background:#febc2e}.shot .bar i:nth-child(3){background:#28c840}
.shot .bar .url{margin-left:14px;flex:1;max-width:340px;font-family:var(--mono);font-size:12px;
  color:var(--text-2);background:var(--bg);border:1px solid var(--border);border-radius:7px;padding:5px 12px;text-align:left}
.shot img{width:100%;display:block}
.shot::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to bottom,transparent 60%,color-mix(in srgb,var(--bg) 62%,transparent))}

/* ---- sections ---------------------------------------------------------- */
section{padding:64px 0;position:relative;z-index:1}
.sec-head{text-align:center;max-width:60ch;margin:0 auto 46px}
.sec-head .kick{font-size:12.5px;letter-spacing:1.8px;text-transform:uppercase;
  color:var(--brand-b);font-weight:700}
.sec-head h2{font-size:clamp(28px,4vw,40px);letter-spacing:-.8px;margin:12px 0 0;font-weight:700}
.sec-head p{color:var(--text-2);margin:16px 0 0;font-size:17px}

.grid{display:grid;gap:18px}
.f3{grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){.f3{grid-template-columns:1fr}}

.card{background:color-mix(in srgb,var(--surface) 82%,transparent);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px;transition:.2s}
.card:hover{border-color:color-mix(in srgb,var(--brand-b) 55%,var(--border));transform:translateY(-3px)}
.card .ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  color:#fff;margin-bottom:16px}
.card .ic svg{width:23px;height:23px}
.card h3{margin:0 0 8px;font-size:18px;font-weight:650}
.card p{margin:0;color:var(--text-2);font-size:14.5px}

/* steps */
.steps{counter-reset:step}
.step{display:flex;gap:22px;align-items:flex-start;padding:22px 0;border-top:1px solid var(--border)}
.step:first-child{border-top:0}
.step .n{counter-increment:step;flex:0 0 auto;width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
  background:var(--grad);color:#fff;box-shadow:0 6px 20px rgba(147,51,234,.3)}
.step .n::before{content:counter(step)}
.step h3{margin:6px 0 6px;font-size:20px}
.step p{margin:0;color:var(--text-2)}
.step code{font-family:var(--mono);font-size:13px;background:var(--surface-2);
  border:1px solid var(--border);border-radius:6px;padding:2px 7px;color:var(--brand-c)}

/* architecture band */
.band{background:color-mix(in srgb,var(--surface) 80%,transparent);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:48px;text-align:center}
.band h2{font-size:clamp(26px,4vw,38px);letter-spacing:-.6px;margin:0}
.band h2 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.band p{color:var(--text-2);max-width:64ch;margin:18px auto 0;font-size:17px}
.arch{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;margin:38px 0 8px}
.node{display:flex;flex-direction:column;align-items:center;gap:10px}
.node .b{width:88px;height:88px;border-radius:20px;background:var(--surface-2);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--brand-b)}
.node .b svg{width:34px;height:34px}
.node span{font-size:13px;color:var(--text-2);font-weight:600}
.arch .wire{color:var(--consensus);opacity:.7;font-size:26px;letter-spacing:-2px}

/* CTA footer */
.final{text-align:center;padding:80px 0}
.final h2{font-size:clamp(30px,5vw,52px);letter-spacing:-1px;margin:0 auto;max-width:16ch;font-weight:750}
.final p{color:var(--text-2);font-size:18px;margin:18px auto 30px}

footer{border-top:1px solid var(--border);padding:40px 0;position:relative;z-index:1}
.foot-in{display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:var(--text-2);font-size:14px}
.foot-in .brand{font-size:15px;color:var(--text)}
.foot-links{margin-left:auto;display:flex;gap:24px}
.foot-links a{color:var(--text-2);transition:.15s}.foot-links a:hover{color:var(--text)}

@media(max-width:640px){
  .nav-in{padding:12px 0}
  .hero{padding:48px 0 26px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%;justify-content:center}
  .shot{margin-top:34px;border-radius:16px}
  .shot .bar .url{max-width:none}
  section{padding:46px 0}
  .band{padding:30px 20px}
  .arch{gap:12px}
  .node .b{width:70px;height:70px}
  .step{gap:14px}
  .step .n{width:38px;height:38px;font-size:15px}
  .foot-in{flex-direction:column;align-items:flex-start;gap:12px}
  .foot-links{margin-left:0;flex-wrap:wrap}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}