:root {
  --bg: #070a12;
  --panel: rgba(255,255,255,0.06);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.66);
  --border: rgba(255,255,255,0.10);
  --accent: #6ee7ff;
  --accent2: #a78bfa;

  --radius: 14px;
  --shadow: 0 18px 60px rgba(0,0,0,0.45);

  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background:
    radial-gradient(1000px 600px at 20% 10%, rgba(110,231,255,0.14), transparent 50%),
    radial-gradient(900px 600px at 80% 20%, rgba(167,139,250,0.16), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0.5rem;
  background: #111827;
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
}
.skip:focus { left: 1rem; z-index: 999; }

.header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(7,10,18,0.66);
  border-bottom: 1px solid var(--border);
  z-index: 20;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
}
.brand__mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #050712;
}
.brand__name { letter-spacing: 0.2px; }

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0;
  margin: 0;
  list-style: none;
}
.nav__link {
  color: var(--muted);
  padding: 0.35rem 0.45rem;
  border-radius: 10px;
}
.nav__link:hover {
  color: var(--text);
  background: rgba(255,255,255,0.06);
  text-decoration: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.62rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  box-shadow: none;
  text-decoration: none;
  font-weight: 600;
}
.button--primary {
  background: linear-gradient(135deg, rgba(110,231,255,0.18), rgba(167,139,250,0.18));
  border-color: rgba(110,231,255,0.30);
}
.button:hover { text-decoration: none; filter: brightness(1.08); }

.hero {
  padding: 4rem 0 2.5rem;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.25rem;
  align-items: start;
}
.hero h1 {
  font-size: clamp(2.1rem, 3.6vw, 3.25rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}
.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 1.35rem;
}
.hero__actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.card__pad { padding: 1.1rem; }

.kpi {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}
.kpi__item { padding: 0.9rem; border-radius: 12px; border: 1px solid var(--border); background: rgba(0,0,0,0.15); }
.kpi__num { font-size: 1.35rem; font-weight: 800; }
.kpi__label { color: var(--muted); font-size: 0.92rem; }

.section { padding: 2.25rem 0; }
.section h2 { font-size: 1.35rem; margin: 0 0 0.9rem; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.feature { padding: 1rem; border-radius: 14px; border: 1px solid var(--border); background: rgba(0,0,0,0.12); }
.feature__title { font-weight: 700; margin-bottom: 0.25rem; }
.feature__body { color: var(--muted); margin: 0; }

.faq {
  display: grid;
  gap: 0.75rem;
}
.faq__item {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(0,0,0,0.12);
  padding: 0.85rem 1rem;
}
.faq__q {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: "+";
  float: right;
  color: var(--muted);
}
details[open] > .faq__q::after { content: "–"; }
.faq__a { color: var(--muted); margin-top: 0.6rem; }

.footer { border-top: 1px solid var(--border); margin-top: 3rem; }
.footer__inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; padding: 1.4rem 0; }
.footer__brand { font-weight: 800; }
.footer__tag { color: var(--muted); max-width: 34ch; }
.footer__right { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: flex-end; }
.footer__link { color: var(--muted); }
.footer__link:hover { color: var(--text); text-decoration: none; }

@media (max-width: 840px) {
  .hero__grid { grid-template-columns: 1fr; }
  .grid3 { grid-template-columns: 1fr; }
  .nav { display: none; }
}