/* Influx Pulse — brand stylesheet
   Tokens lifted from the existing influxpulse.ai holding page.
   Do not change palette or typeface without updating resources/brand-brief.md. */

:root{
  --ink:#280F4D;
  --purple:#61359B;
  --purple-lt:#9351C5;
  --bg-0:#180A2B;
  --bg-1:#280F4D;
  --bg-deep:#120720;
  --text:#F3EEFA;
  --muted:#B9A8D4;
  --rule:rgba(147,81,197,.28);
  --card:rgba(97,53,155,.10);
  --maxw:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  font-weight:300;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  min-height:100dvh;
  display:flex;flex-direction:column;
}

/* ---------- ambient background ---------- */
.glow{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% -10%, rgba(147,81,197,.30) 0%, rgba(97,53,155,.12) 38%, rgba(0,0,0,0) 68%),
    radial-gradient(80% 60% at 50% 108%, rgba(97,53,155,.16) 0%, rgba(0,0,0,0) 62%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 55%, var(--bg-deep) 100%);
}
.ring{
  position:fixed;left:50%;top:22%;z-index:0;pointer-events:none;
  width:min(120vw,1100px);aspect-ratio:1;transform:translate(-50%,-50%);
  border-radius:50%;border:1px solid var(--rule);opacity:.45;
  animation:pulse 7s ease-in-out infinite;
}
.ring.b{width:min(84vw,760px);animation-delay:-2.3s;opacity:.36}
.ring.c{width:min(52vw,470px);animation-delay:-4.6s;opacity:.28}
@keyframes pulse{
  0%,100%{transform:translate(-50%,-50%) scale(1);opacity:.18}
  50%{transform:translate(-50%,-50%) scale(1.055);opacity:.48}
}
@media (prefers-reduced-motion:reduce){
  .ring{animation:none}
  .dot{animation:none}
}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
main{position:relative;z-index:1;flex:1}
section{padding:clamp(44px,6vw,80px) 0}
section + section{border-top:1px solid rgba(147,81,197,.14)}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:20;
  background:rgba(24,10,43,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--rule);
}
header.site .wrap{display:flex;align-items:center;gap:20px;min-height:72px}
header.site .logo img{height:34px;width:auto;display:block}
nav.main{margin-left:auto}
nav.main ul{display:flex;flex-wrap:wrap;gap:6px 20px;list-style:none;margin:0;padding:0}
nav.main a{
  color:var(--muted);text-decoration:none;font-size:14px;font-weight:400;
  letter-spacing:.01em;padding:6px 0;border-bottom:1px solid transparent;
}
nav.main a:hover{color:var(--text)}
nav.main a[aria-current="page"]{color:var(--text);border-bottom-color:var(--purple-lt)}
.navtoggle{display:none}
@media (max-width:900px){
  header.site .wrap{flex-wrap:wrap;min-height:64px;padding-top:10px;padding-bottom:10px}
  .navtoggle{
    display:block;margin-left:auto;background:none;border:1px solid var(--rule);
    color:var(--text);border-radius:8px;padding:7px 12px;font:inherit;font-size:13px;cursor:pointer;
  }
  nav.main{flex-basis:100%;margin-left:0;max-height:0;overflow:hidden;transition:max-height .28s ease}
  nav.main.open{max-height:640px}
  nav.main ul{flex-direction:column;gap:0;padding:8px 0 14px}
  nav.main a{display:block;padding:9px 0;border-bottom:1px solid rgba(147,81,197,.12)}
}

/* ---------- type ---------- */
h1,h2,h3{font-weight:500;letter-spacing:-.015em;line-height:1.22;margin:0}
h1{font-size:clamp(28px,4.6vw,46px);max-width:20ch}
h2{font-size:clamp(21px,2.9vw,31px);max-width:26ch}
h3{font-size:clamp(16px,1.9vw,19px);line-height:1.35}
h1 em,h2 em{font-style:normal;color:var(--purple-lt)}
p{margin:1em 0;max-width:68ch}
.lede{font-size:clamp(15.5px,1.9vw,19px);color:var(--muted);max-width:60ch}
.eyebrow{
  font-size:12px;letter-spacing:.20em;text-transform:uppercase;
  color:var(--purple-lt);font-weight:500;margin:0 0 14px;
}
.rule{
  width:52px;height:1px;margin:clamp(22px,4vw,34px) 0;
  background:linear-gradient(90deg,transparent,var(--purple-lt),transparent);
}
a{color:var(--purple-lt)}
a:hover{color:var(--text)}
strong{font-weight:500;color:var(--text)}
small{font-size:13px;color:var(--muted);line-height:1.6}

/* ---------- hero ---------- */
.hero{padding:clamp(56px,8vw,104px) 0 clamp(40px,6vw,72px)}
.hero .lede{margin-top:clamp(16px,2.4vw,24px)}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:18px;margin-top:clamp(24px,4vw,38px)}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:820px){.g2,.g3{grid-template-columns:1fr}}
.card{
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:14px;
  padding:clamp(20px,2.6vw,28px);
}
.card h3{margin-bottom:8px}
.card p{margin:0;font-size:15px;color:var(--muted);max-width:none}
.card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;
  border:1px solid var(--rule);background:rgba(147,81,197,.16);
  font-size:13px;font-weight:500;color:var(--purple-lt);margin-bottom:14px;
}

/* ---------- lists ---------- */
ul.ticks{list-style:none;padding:0;margin:20px 0;max-width:68ch}
ul.ticks li{position:relative;padding:8px 0 8px 26px;border-bottom:1px solid rgba(147,81,197,.12);font-size:15.5px}
ul.ticks li:before{
  content:"";position:absolute;left:2px;top:17px;
  width:7px;height:7px;border-radius:50%;background:var(--purple-lt);
}
ul.plain{padding-left:20px;margin:16px 0;max-width:68ch}
ul.plain li{padding:5px 0;font-size:15.5px}

/* ---------- callout ---------- */
.note{
  border:1px solid var(--rule);border-left:3px solid var(--purple-lt);
  background:rgba(97,53,155,.10);
  border-radius:0 12px 12px 0;
  padding:18px 22px;margin:28px 0;max-width:72ch;
}
.note p{margin:0;font-size:15px;color:var(--muted)}
.note p + p{margin-top:10px}

/* ---------- buttons ---------- */
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(26px,4vw,38px)}
.btn{
  display:inline-block;text-decoration:none;font-size:14.5px;font-weight:400;
  padding:12px 26px;border-radius:999px;border:1px solid var(--purple-lt);
  background:var(--purple);color:#fff;transition:background .18s ease,transform .18s ease;
}
.btn:hover{background:var(--purple-lt);color:#fff;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--rule)}
.btn.ghost:hover{background:rgba(147,81,197,.14);color:var(--text)}

/* ---------- status pill ---------- */
.status{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px 8px 14px;border:1px solid var(--rule);border-radius:999px;
  background:rgba(97,53,155,.14);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;font-weight:400;
}
.dot{
  width:7px;height:7px;border-radius:50%;background:var(--purple-lt);
  animation:blip 2.4s ease-out infinite;
}
@keyframes blip{
  0%{box-shadow:0 0 0 0 rgba(147,81,197,.6)}
  70%{box-shadow:0 0 0 11px rgba(147,81,197,0)}
  100%{box-shadow:0 0 0 0 rgba(147,81,197,0)}
}

/* ---------- tables ---------- */
table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid rgba(147,81,197,.16);vertical-align:top}
th{color:var(--purple-lt);font-weight:500;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
td{color:var(--muted)}
td:first-child{color:var(--text)}

/* ---------- FAQ ---------- */
details{border-bottom:1px solid rgba(147,81,197,.16);padding:6px 0}
summary{
  cursor:pointer;padding:14px 0;font-size:16px;font-weight:400;
  list-style:none;display:flex;gap:14px;align-items:flex-start;
}
summary::-webkit-details-marker{display:none}
summary:before{content:"+";color:var(--purple-lt);font-weight:500;flex:none;width:14px}
details[open] summary:before{content:"\2212"}
details p{margin:0 0 16px 28px;color:var(--muted);font-size:15px}

/* ---------- contact ---------- */
.contactgrid{display:grid;gap:14px 34px;grid-template-columns:auto 1fr;max-width:520px;margin-top:26px;font-size:15.5px}
.contactgrid dt{color:var(--purple-lt);font-size:12px;letter-spacing:.16em;text-transform:uppercase;padding-top:4px}
.contactgrid dd{margin:0}
.contactgrid a{text-decoration:none;color:var(--text)}
.contactgrid a:hover{color:var(--purple-lt)}

/* ---------- footer ---------- */
footer.site{
  position:relative;z-index:1;
  border-top:1px solid var(--rule);
  background:rgba(18,7,32,.6);
  padding:clamp(34px,5vw,54px) 0 clamp(26px,4vw,38px);
  margin-top:clamp(40px,6vw,72px);
}
footer.site .cols{display:grid;gap:28px;grid-template-columns:1.4fr 1fr 1fr}
@media (max-width:820px){footer.site .cols{grid-template-columns:1fr}}
footer.site h4{
  margin:0 0 12px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--purple-lt);font-weight:500;
}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{padding:4px 0}
footer.site a{color:var(--muted);text-decoration:none;font-size:14.5px}
footer.site a:hover{color:var(--text)}
footer.site .foot-logo img{height:30px;width:auto;margin-bottom:14px}
.legalbar{
  margin-top:30px;padding-top:20px;border-top:1px solid rgba(147,81,197,.14);
  display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;
  font-size:13px;color:var(--muted);
}

/* ============================================================
   REMOVABLE ENDORSEMENT LAYER
   Per brand-brief.md §2, "by Influx Energy" is a detachable
   trust layer, never fused into the core Pulse identity.
   To remove it later: delete every element with class
   .endorse-layer across all pages. Nothing else depends on it.
   ============================================================ */
.endorse-layer{
  font-size:12px;letter-spacing:.20em;text-transform:uppercase;
  color:var(--muted);font-weight:400;margin:0 0 6px;
}
.endorse-layer.block{
  border:1px solid var(--rule);border-radius:12px;
  background:rgba(97,53,155,.08);
  padding:18px 22px;margin:30px 0 0;
  letter-spacing:normal;text-transform:none;font-size:14.5px;line-height:1.6;
}