:root {
  --bg: #0b0f1a;
  --surface: #12182a;
  --surface-2: rgba(18, 24, 42, 0.72);
  --line: rgba(255, 255, 255, 0.10);
  --ink: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --muted-2: rgba(255, 255, 255, 0.55);
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.52);
  --radius: 18px;
  --blue: #36b5ff;
  --blue-2: #2a6bff;
  --purple: #b34dff;
  --purple-2: #7c3aed;
  --good: #22c55e;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(11, 15, 26, 0.88), rgba(11, 15, 26, 0.40));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 16px;
  max-width: 1080px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.brand-badge {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background:
    radial-gradient(18px 18px at 25% 25%, rgba(54, 181, 255, 0.9), transparent 70%),
    radial-gradient(24px 24px at 75% 30%, rgba(179, 77, 255, 0.72), transparent 70%),
    linear-gradient(135deg, rgba(42, 107, 255, 0.75), rgba(179, 77, 255, 0.55));
  box-shadow:
    0 18px 56px rgba(42, 107, 255, 0.26),
    0 12px 44px rgba(179, 77, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 2px;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.brand-logo {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  object-fit: cover;
  background: rgba(11, 15, 26, 0.55);
}

.navlinks {
  display: none;
  gap: 12px;
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
}

.navlinks a {
  padding: 8px 10px;
  border-radius: 999px;
}

.navlinks a:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.lang {
  position: relative;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 12px;
  font-weight: 900;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.90);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: pointer;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.lang-list {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 180px;
  border-radius: 16px;
  padding: 6px;
  background: rgba(18, 24, 42, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(14px);
}

.lang-item {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.88);
  padding: 10px 10px;
  border-radius: 12px;
  font-weight: 800;
  cursor: pointer;
}

.lang-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 16px 78px;
}

.hero {
  position: relative;
  margin-top: 18px;
  border-radius: calc(var(--radius) + 10px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background:
    radial-gradient(1200px 700px at 18% -10%, rgba(54, 181, 255, 0.45), transparent 60%),
    radial-gradient(900px 600px at 92% -10%, rgba(179, 77, 255, 0.40), transparent 56%),
    radial-gradient(900px 680px at 55% 120%, rgba(42, 107, 255, 0.22), transparent 58%),
    linear-gradient(180deg, rgba(18, 24, 42, 0.58), rgba(18, 24, 42, 0.22));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -2px;
  background:
    radial-gradient(520px 220px at 22% 18%, rgba(54, 181, 255, 0.18), transparent 65%),
    radial-gradient(520px 220px at 80% 22%, rgba(179, 77, 255, 0.14), transparent 65%);
  filter: blur(2px);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  padding: 22px 18px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 11px;
  border-radius: 999px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.kicker-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--good);
  box-shadow: 0 0 0 10px rgba(34, 197, 94, 0.12);
}

h1 {
  margin: 14px 0 8px;
  font-size: clamp(30px, 5vw, 54px);
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.sub {
  margin: 0;
  max-width: 75ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  font-weight: 700;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.card {
  margin-top: 16px;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(18, 24, 42, 0.55);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.card-inner {
  padding: 18px;
}

h2 {
  margin: 18px 0 10px;
  font-size: 18px;
  letter-spacing: -0.02em;
}

h3 {
  margin: 14px 0 8px;
  font-size: 15px;
  letter-spacing: -0.01em;
}

p, li {
  color: rgba(255, 255, 255, 0.70);
  line-height: 1.72;
}

ul { margin: 8px 0 0 18px; padding: 0; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.86);
}

.callout {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(54, 181, 255, 0.12), rgba(179, 77, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.footer {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.footer a { color: rgba(255, 255, 255, 0.82); }

@media (min-width: 920px) {
  .navlinks { display: flex; }
  .hero-inner { padding: 26px 24px; }
  .card-inner { padding: 22px 24px; }
}