/* Helios Markets - Institutional Landing Theme */
:root{
  --bg:#000;
  --panel:#0b0d10;
  --panel2:#0f1217;
  --text:#eaeaea;
  --muted:#a9a9a9;
  --muted2:#7b7b7b;
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.16);
  --accent:#ff5a1f; /* institutional amber */
  --accent2:#ff8a3d;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; background:var(--bg); color:var(--text); font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; line-height:1.55; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding-left:1.15rem; }
li{ margin:.35rem 0; color:var(--muted); }

.wrap{ max-width:1120px; margin:0 auto; padding:0 22px; }
.small{ font-size:.98rem; }
.subtle{ color:var(--muted2); }
.emph{ color:#fff; }

.top{
  position:sticky; top:0; z-index:20;
  background:rgba(0,0,0,.70);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.top__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{ display:flex; flex-direction:column; gap:2px; }
.brand__mark{
  font-weight:700; letter-spacing:.18em;
  font-size:14px;
}
.brand__mark--small{ font-size:12px; letter-spacing:.22em; }
.brand__sub{ font-size:12px; color:var(--muted2); letter-spacing:.08em; }

.nav{ display:flex; align-items:center; gap:16px; }
.nav a{ color:var(--muted); font-size:13px; letter-spacing:.06em; text-transform:uppercase; }
.nav a:hover{ color:#fff; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 18px;
  border-radius:14px;
  border:1px solid var(--line);
  transition: all .15s ease;
  font-weight:550;
}
.btn--primary{
  background:linear-gradient(180deg, var(--accent2), var(--accent));
  color:#000;
  border-color:rgba(0,0,0,.2);
}
.btn--primary:hover{ filter:brightness(1.03); transform:translateY(-1px); }
.btn--ghost{ background:transparent; }
.btn--ghost:hover{ border-color:var(--line2); color:#fff; transform:translateY(-1px); }

.hero{ padding:78px 0 44px; }
.hero__grid{ display:grid; grid-template-columns: 1.25fr .95fr; gap:26px; align-items:start; }
.hero h1{
  margin:0;
  font-size:48px;
  line-height:1.05;
  letter-spacing:-.02em;
}
.lead{ margin:18px 0 0; font-size:18px; color:var(--muted); max-width:760px; }
.cta{ margin-top:22px; display:flex; gap:12px; flex-wrap:wrap; }
.hero__meta{ margin-top:22px; display:flex; gap:10px; flex-wrap:wrap; }
.pill{
  font-size:12px; color:var(--muted);
  border:1px solid var(--line);
  padding:8px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.03);
}
.hero__right .card{ margin-top:6px; }

.card{
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px;
}
.card__title{ font-weight:650; margin-bottom:12px; }
.metric{
  display:flex; justify-content:space-between; gap:12px;
  padding:10px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.metric:first-of-type{ border-top:none; }
.metric__k{ color:var(--muted2); font-size:12px; text-transform:uppercase; letter-spacing:.08em; }
.metric__v{ color:#fff; font-size:13px; }

.card__foot{ margin-top:12px; color:var(--muted2); font-size:13px; }

.note{
  margin-top:14px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:18px;
  padding:16px;
}
.note__title{ font-weight:650; margin-bottom:10px; }

.section{ padding:54px 0; }
.section--dark{ background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00)); border-top:1px solid rgba(255,255,255,.05); border-bottom:1px solid rgba(255,255,255,.05); }
.section h2{ margin:0; font-size:30px; letter-spacing:-.01em; }
.subhead{ margin:12px 0 0; color:var(--muted); max-width:900px; font-size:16px; }

.grid3{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:22px; }
.grid2{ display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:22px; }
.mt{ margin-top:16px; }

.tile{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px;
}
.tile__h{ font-weight:650; margin-bottom:10px; }
.tile p{ margin:0; color:var(--muted); }

.tiers{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:22px; }
.tier{ background:var(--panel); border:1px solid var(--line); border-radius:18px; padding:18px; }
.tier--gold{ border-color:rgba(245,158,11,.35); box-shadow: 0 0 0 1px rgba(245,158,11,.12) inset; }
.tier__top{ display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
.tier__name{ font-weight:750; font-size:18px; }
.tier__tag{ font-size:12px; color:var(--muted2); border:1px solid var(--line); padding:6px 10px; border-radius:999px; }
.tier__cta{ margin-top:14px; }

.code{
  margin-top:10px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  font-size:12px;
  color:#fff;
}
.code .muted{ color:var(--muted2); margin-top:4px; }

.fineprint{ margin-top:16px; color:var(--muted2); font-size:13px; max-width:980px; }

.onboard{ display:grid; grid-template-columns: 1.1fr .9fr; gap:16px; margin-top:20px; }

.footer{ padding:26px 0 34px; }
.footer__inner{ display:flex; align-items:center; justify-content:space-between; border-top:1px solid rgba(255,255,255,.08); padding-top:18px; }
.footer__right{ display:flex; align-items:center; gap:10px; }
.dot{ opacity:.55; }

@media (max-width: 980px){
  .hero__grid{ grid-template-columns:1fr; }
  .grid3{ grid-template-columns:1fr; }
  .grid2{ grid-template-columns:1fr; }
  .tiers{ grid-template-columns:1fr; }
  .onboard{ grid-template-columns:1fr; }
  .nav{ display:none; }
  .hero h1{ font-size:40px; }
}


.brand__row{
  display:flex;
  align-items:center;
  gap:12px;
}

.brand__logo{
  height:28px;
  width:auto;
  opacity:0.95;
}

.brand__text{
  display:flex;
  flex-direction:column;
}


/* Credibility line under hero */
.cred{
  margin-top: 10px;
  color: rgba(255,255,255,.72);
  font-size: 14px;
  letter-spacing: .02em;
}

/* Subtle institutional motion */
@keyframes heliosFadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in{
  opacity: 0;
  animation: heliosFadeUp 520ms ease-out forwards;
}

.delay-1{
  animation-delay: 120ms;
}