:root {
  --bg: #121212;
  --bg-card: #181818;
  --bg-sidebar: #0f0f0f;
  --text: #ffffff;
  --muted: #9ca3af;
  --line: rgba(255, 255, 255, 0.1);
  --brand: #1ed760;
  --brand-hover: #19c255;
  --brand-glow: rgba(30, 215, 96, 0.12);
  --cyan-hint: rgba(56, 189, 248, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.65;
  position: relative;
  isolation: isolate;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 100% 65% at 50% -25%, var(--brand-glow), transparent 52%),
    radial-gradient(ellipse 55% 40% at 100% 35%, var(--cyan-hint), transparent 48%),
    linear-gradient(180deg, #141414 0%, #0f0f0f 50%, #0a0a0a 100%);
  pointer-events: none;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-hover); }

.container { width: min(1120px, 92%); margin: 0 auto; }
.section { padding: 64px 0; }
.section-tight { padding: 36px 0; }
.card {
  background: rgba(24, 24, 24, 0.75);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(15, 15, 15, 0.88);
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 5;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); font-weight: 700; }
.brand img.brand-mark {
  width: 32px;
  height: 32px;
  object-fit: contain;
  display: block;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.12; gap: 1px; }
.brand-text .brand-sub {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--brand);
  font-weight: 600;
  text-transform: uppercase;
}
.menu { display: flex; flex-wrap: wrap; gap: 14px; font-size: 14px; }
.menu a { color: var(--muted); }
.menu a:hover { color: var(--text); }
.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 600;
  border: 1px solid transparent;
}
.btn-main {
  background: linear-gradient(to bottom, #1fe767, var(--brand));
  color: #0a0a0a;
  box-shadow: 0 0 18px rgba(30, 215, 96, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.btn-main:hover {
  background: linear-gradient(to bottom, #37ee7a, var(--brand-hover));
  color: #0a0a0a;
}
.btn-outline { border-color: var(--line); color: var(--text); }

h1, h2, h3 { margin: 0 0 14px; line-height: 1.2; }
h1 { font-size: clamp(34px, 5vw, 56px); }
h2 { font-size: clamp(26px, 3vw, 36px); }
h3 { font-size: 22px; }
p { margin: 0 0 14px; color: var(--muted); }
ul, ol { margin: 0 0 14px 22px; color: var(--muted); }

.hero { padding: 88px 0 48px; }
.page-hero {
  padding: 56px 0 18px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(30, 215, 96, 0.07), transparent);
}
.lead { font-size: 18px; max-width: 860px; }
.subtle-card {
  background: linear-gradient(165deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid rgba(30, 215, 96, 0.2);
  border-radius: 16px;
  padding: 20px;
}
.kpi {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.025);
}
.kpi strong { display: block; font-size: 20px; color: var(--text); }
.link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.link-grid a {
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--muted);
  background: rgba(255,255,255,0.015);
}
.link-grid a:hover { color: var(--text); border-color: rgba(30, 215, 96, 0.35); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.small { font-size: 14px; color: var(--muted); }

.breadcrumbs {
  font-size: 13px;
  color: var(--muted);
  margin: 18px 0 8px;
}
.breadcrumbs a { color: var(--muted); }
.breadcrumbs span { color: var(--text); }

.footer {
  border-top: 1px solid var(--line);
  margin-top: 36px;
  padding: 32px 0;
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.footer-nav h3 { font-size: 16px; margin-bottom: 8px; }
.footer-nav a { display: block; margin: 4px 0; font-size: 14px; color: var(--muted); }
.footer-nav a:hover { color: var(--text); }

@media (max-width: 900px) {
  .grid-3, .grid-2, .footer-nav, .link-grid { grid-template-columns: 1fr; }
  .topbar-inner { align-items: flex-start; flex-direction: column; padding: 12px 0; }
}