:root{
  --fs-primary:#FE5721;
  --fs-primary-dark:#d94713;
  --fs-ink:#121826;
  --fs-muted:#667085;
  --fs-soft:#f6f8fb;
  --fs-line:#e6e9ef;
  --fs-success:#198754;
  --fs-warning:#f59e0b;
  --fs-danger:#dc3545;
  --fs-card:#ffffff;
  --fs-shadow:0 14px 40px rgba(16,24,40,.08);
}

html{font-size:16px}
body{
  margin:0;
  color:var(--fs-ink);
  background:linear-gradient(180deg,#fff 0%,#f7f9fc 100%);
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}

a{color:var(--fs-primary)}
a:hover{color:var(--fs-primary-dark)}

.fs-topbar{
  background:#fff;
  border-bottom:1px solid var(--fs-line);
  position:sticky;
  top:0;
  z-index:1030;
}
.fs-brand-wrap{display:flex;align-items:center;gap:.8rem}
.fs-brand-logo{height:46px;width:auto;object-fit:contain}
.fs-brand-title{font-weight:800;letter-spacing:-.02em}
.fs-brand-sub{font-size:.78rem;color:var(--fs-primary);font-weight:700}

.fs-hero{
  min-height:calc(100vh - 78px);
  display:flex;
  align-items:center;
  padding:4rem 0 3rem;
  background:
    radial-gradient(circle at 12% 10%, rgba(254,87,33,.08), transparent 30%),
    radial-gradient(circle at 90% 20%, rgba(20,30,48,.06), transparent 35%);
}
.fs-hero-card{
  background:rgba(255,255,255,.94);
  border:1px solid var(--fs-line);
  border-radius:24px;
  box-shadow:var(--fs-shadow);
}
.fs-ledger-logo{max-width:190px;height:auto}
.fs-kicker{
  color:var(--fs-primary);
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:.8rem;
}
.fs-title{
  font-size:clamp(2.2rem,5vw,4.7rem);
  font-weight:900;
  line-height:.95;
  letter-spacing:-.045em;
}
.fs-subtitle{
  font-size:clamp(1rem,2vw,1.25rem);
  color:var(--fs-muted);
  max-width:760px;
}
.fs-pill{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  background:#fff4ef;
  color:var(--fs-primary-dark);
  border:1px solid #ffd7c8;
  padding:.5rem .8rem;
  border-radius:999px;
  font-weight:700;
  font-size:.84rem;
}
.fs-btn-primary{
  background:var(--fs-primary);
  color:#fff;
  border:none;
  border-radius:12px;
  padding:.85rem 1.2rem;
  font-weight:800;
}
.fs-btn-primary:hover{background:var(--fs-primary-dark);color:#fff}
.fs-btn-outline{
  border:1px solid var(--fs-line);
  background:#fff;
  color:var(--fs-ink);
  border-radius:12px;
  padding:.85rem 1.2rem;
  font-weight:700;
}
.fs-stat{
  border:1px solid var(--fs-line);
  border-radius:16px;
  padding:1rem;
  background:#fff;
}
.fs-stat-label{font-size:.75rem;color:var(--fs-muted);text-transform:uppercase;font-weight:700}
.fs-stat-value{font-size:1rem;font-weight:800}
.fs-feature{
  border:1px solid var(--fs-line);
  background:#fff;
  border-radius:16px;
  padding:1rem;
  height:100%;
}
.fs-feature h6{font-weight:800;margin-bottom:.35rem}
.fs-feature p{font-size:.9rem;color:var(--fs-muted);margin:0}
.fs-footer{
  background:#111820;
  color:#fff;
  padding:1.25rem 0;
}
.fs-footer small{color:#cbd5e1}

@media(max-width:767.98px){
  .fs-brand-title{font-size:.95rem}
  .fs-brand-sub{font-size:.68rem}
  .fs-brand-logo{height:38px}
  .fs-hero{padding:2.4rem 0}
  .fs-title{font-size:2.6rem}
}


.fs-page-section,.fs-setup-section{
  min-height:calc(100vh - 150px);
  padding:3rem 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(254,87,33,.07), transparent 30%),
    linear-gradient(180deg,#fafbfc 0%,#f5f7fa 100%);
}
.fs-page-card,.fs-setup-card{
  background:#fff;
  border:1px solid var(--fs-line);
  border-radius:22px;
  box-shadow:var(--fs-shadow);
  overflow:hidden;
}
.fs-version-card{
  min-width:190px;
  border:1px solid var(--fs-line);
  border-radius:16px;
  background:var(--fs-soft);
  padding:1rem 1.2rem;
}
.fs-version-value{font-size:1.65rem;font-weight:900;color:var(--fs-primary)}
.fs-dev-note{border-radius:14px}
.fs-code-panel{
  background:#111820;
  color:#f8fafc;
  border-radius:14px;
  padding:1rem 1.2rem;
  overflow:auto;
}
.fs-code-panel code{color:#ffd7c8}
.fs-code-title{
  color:#94a3b8;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:.72rem;
  margin-bottom:.35rem;
}
.fs-setup-card{max-width:1080px;margin:0 auto}
.fs-setup-brand-panel{
  background:linear-gradient(145deg,#fff7f3 0%,#fff 68%);
  border-right:1px solid var(--fs-line);
  padding:2.5rem;
}
.fs-setup-logo{max-width:190px;width:100%;height:auto}
.fs-security-note{
  margin-top:2rem;
  border:1px solid #ffd7c8;
  background:#fff8f5;
  border-radius:14px;
  padding:1rem;
  font-size:.9rem;
  color:#5f443b;
}
.fs-password-help{
  background:var(--fs-soft);
  border:1px solid var(--fs-line);
  border-radius:10px;
  padding:.75rem 1rem;
  font-size:.85rem;
  color:var(--fs-muted);
}
.fs-topbar .fs-brand-logo{
  width:54px;
  height:54px;
  object-fit:contain;
}
@media(max-width:991.98px){
  .fs-setup-brand-panel{
    border-right:0;
    border-bottom:1px solid var(--fs-line);
    padding:2rem;
  }
}