@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;500;600;700&family=Libre+Baskerville:wght@400;700&display=swap');

:root {
  --b7kbz-accent: #7c3aed;
  --b7kbz-accent-deep: #5b21b6;
  --b7kbz-teal: #2dd4bf;
  --b7kbz-ink: #1e1b4b;
  --b7kbz-paper: #f5f3ff;
  --b7kbz-muted: #a5b4fc;
  --b7kbz-border: rgba(124, 58, 237, 0.38);
  --b7kbz-radius: 16px;
  --b7kbz-sans: 'DM Sans', system-ui, sans-serif;
  --b7kbz-serif: 'Libre Baskerville', Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--b7kbz-sans); line-height: 1.68; color: var(--b7kbz-paper);
  background: #0f0a1f;
  background-image: radial-gradient(circle at 85% 10%, rgba(124,58,237,0.35), transparent 55%),
    linear-gradient(165deg, #0f0a1f 0%, #1e1b4b 100%);
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--b7kbz-teal); text-underline-offset: 3px; }
a:hover { color: #fff; }

.b7kbz-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(15, 10, 31, 0.94); border-bottom: 1px solid var(--b7kbz-border);
}
.b7kbz-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.7rem 1rem; max-width: 900px; margin: 0 auto; gap: 0.55rem;
}
.b7kbz-brand { display: flex; align-items: center; gap: 0.55rem; color: var(--b7kbz-paper); text-decoration: none; }
.b7kbz-brand img { height: 34px; width: auto; max-width: 120px; }
.b7kbz-brand-text { font-weight: 700; font-size: 0.85rem; }
.b7kbz-brand-text em { display: block; font-style: normal; font-size: 0.64rem; color: var(--b7kbz-muted); }

.b7kbz-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.52rem 1.05rem; border-radius: var(--b7kbz-radius); font-weight: 700;
  border: none; cursor: pointer; font-family: inherit; min-height: 44px; text-decoration: none;
}
.b7kbz-btn-primary { background: linear-gradient(120deg, var(--b7kbz-accent), var(--b7kbz-accent-deep)); color: #fff; }
.b7kbz-btn-secondary { background: transparent; border: 1px solid var(--b7kbz-border); color: var(--b7kbz-paper); }
.b7kbz-btn-sm { font-size: 0.78rem; padding: 0.4rem 0.85rem; min-height: 38px; }
.b7kbz-btn-lg { font-size: 0.92rem; padding: 0.7rem 1.35rem; }

.b7kbz-menu-toggle {
  width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--b7kbz-border);
  background: rgba(255,255,255,0.06); color: #fff; font-size: 1.15rem; cursor: pointer;
}
.b7kbz-nav { display: none; border-top: 1px solid var(--b7kbz-border); }
.b7kbz-nav--open { display: block; }
.b7kbz-nav ul { list-style: none; margin: 0; padding: 0.4rem 0; max-width: 900px; margin-inline: auto; }
.b7kbz-nav a { display: block; padding: 0.58rem 1rem; color: var(--b7kbz-paper); text-decoration: none; font-size: 0.84rem; }
.b7kbz-nav a[aria-current="page"], .b7kbz-nav a:hover { background: rgba(124,58,237,0.22); }
@media (min-width: 768px) {
  .b7kbz-menu-toggle { display: none; }
  .b7kbz-nav { display: block !important; border: none; }
  .b7kbz-nav ul { display: flex; flex-wrap: wrap; padding: 0 1rem 0.45rem; gap: 0.15rem; }
  .b7kbz-nav a { border-radius: 8px; padding: 0.3rem 0.55rem; font-size: 0.74rem; }
}

.b7kbz-main { max-width: 900px; margin: 0 auto; padding: 1.15rem 1rem 2.8rem; }
.b7kbz-hero {
  padding: 1.35rem 1.25rem; margin-bottom: 1.6rem; border-radius: var(--b7kbz-radius);
  border: 1px solid var(--b7kbz-border);
  background: linear-gradient(145deg, rgba(124,58,237,0.18), rgba(30,27,75,0.95));
}
.b7kbz-tag { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--b7kbz-teal); }
.b7kbz-hero h1 { font-family: var(--b7kbz-serif); font-size: clamp(1.4rem, 4vw, 1.95rem); margin: 0.5rem 0 0.7rem; line-height: 1.25; }
.b7kbz-lead { margin: 0 0 1rem; font-size: 1rem; max-width: 58ch; }
.b7kbz-hero-actions { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-bottom: 1rem; }
.b7kbz-hero-img { border-radius: calc(var(--b7kbz-radius) - 2px); overflow: hidden; border: 1px solid var(--b7kbz-border); }

.b7kbz-card {
  padding: 1.15rem 1.25rem; margin-bottom: 0.95rem; border-radius: var(--b7kbz-radius);
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08);
}
.b7kbz-card h2 { font-family: var(--b7kbz-serif); color: var(--b7kbz-teal); font-size: 1.22rem; margin: 1.2rem 0 0.6rem; }
.b7kbz-card h2:first-child { margin-top: 0; }
.b7kbz-callout {
  border-left: 4px solid var(--b7kbz-accent); padding: 0.85rem 1rem; margin: 1rem 0;
  background: rgba(124,58,237,0.12); border-radius: 0 12px 12px 0;
}
.b7kbz-footer { max-width: 900px; margin: 0 auto; padding: 1.5rem 1rem 2rem; font-size: 0.78rem; color: var(--b7kbz-muted); border-top: 1px solid var(--b7kbz-border); }
.b7kbz-age { background: var(--b7kbz-accent-deep); color: #fff; font-size: 0.68rem; font-weight: 800; padding: 0.1rem 0.38rem; border-radius: 4px; }