@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=IBM+Plex+Serif:wght@600;700&display=swap');

:root {
  --b7kbrs-accent: #ea580c;
  --b7kbrs-accent-deep: #c2410c;
  --b7kbrs-ink: #1c1917;
  --b7kbrs-ink-mid: #292524;
  --b7kbrs-copper: #fde047;
  --b7kbrs-paper: #f8fafc;
  --b7kbrs-muted: #94a3b8;
  --b7kbrs-border: rgba(234, 88, 12, 0.32);
  --b7kbrs-radius: 15px;
  --b7kbrs-shadow: 0 18px 52px rgba(15, 23, 42, 0.55);
  --b7kbrs-sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --b7kbrs-serif: 'IBM Plex Serif', Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--b7kbrs-sans);
  font-size: 1rem;
  line-height: 1.68;
  color: var(--b7kbrs-paper);
  background: var(--b7kbrs-ink);
  background-image:
    radial-gradient(ellipse 65% 50% at 90% 0%, rgba(251, 146, 60, 0.32), transparent),
    linear-gradient(180deg, #1c1917 0%, #292524 100%);
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--b7kbrs-copper); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #fff; }

.b7kbrs-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(15, 23, 42, 0.94);
  border-bottom: 1px solid var(--b7kbrs-border);
  backdrop-filter: blur(10px);
}

.b7kbrs-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.65rem 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.b7kbrs-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--b7kbrs-paper);
  text-decoration: none;
  min-width: 0;
}
.b7kbrs-brand:hover { color: var(--b7kbrs-accent); text-decoration: none; }
.b7kbrs-brand img { height: 38px; width: auto; max-width: 140px; object-fit: contain; }
.b7kbrs-brand-text { font-weight: 700; font-size: 0.9rem; line-height: 1.25; }
.b7kbrs-brand-text em { display: block; font-style: normal; font-size: 0.68rem; color: var(--b7kbrs-muted); font-weight: 500; }

.b7kbrs-header-actions { display: flex; align-items: center; gap: 0.45rem; }

.b7kbrs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.15rem;
  border-radius: var(--b7kbrs-radius);
  font-weight: 700;
  font-size: 0.88rem;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  min-height: 44px;
}
.b7kbrs-btn-primary {
  background: linear-gradient(135deg, var(--b7kbrs-accent) 0%, var(--b7kbrs-accent-deep) 100%);
  color: #fff;
  box-shadow: 0 6px 22px rgba(234, 88, 12, 0.45);
}
.b7kbrs-btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--b7kbrs-paper);
  border: 1px solid var(--b7kbrs-border);
}
.b7kbrs-btn-sm { padding: 0.45rem 0.95rem; font-size: 0.82rem; min-height: 40px; }
.b7kbrs-btn-lg { padding: 0.75rem 1.45rem; font-size: 0.95rem; }

.b7kbrs-menu-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--b7kbrs-border);
  color: var(--b7kbrs-paper);
  border-radius: 10px;
  width: 44px;
  height: 44px;
  font-size: 1.25rem;
  cursor: pointer;
}

.b7kbrs-nav { display: none; border-top: 1px solid var(--b7kbrs-border); }
.b7kbrs-nav--open { display: block; }
.b7kbrs-nav ul { list-style: none; margin: 0; padding: 0.5rem 0; max-width: 900px; margin-inline: auto; }
.b7kbrs-nav li { border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.b7kbrs-nav a { display: block; padding: 0.65rem 1rem; color: var(--b7kbrs-paper); text-decoration: none; font-size: 0.88rem; }
.b7kbrs-nav a:hover, .b7kbrs-nav a[aria-current="page"] { background: rgba(234, 88, 12, 0.2); color: #fdba74; }

@media (min-width: 768px) {
  .b7kbrs-menu-toggle { display: none; }
  .b7kbrs-nav { display: block !important; border-top: none; }
  .b7kbrs-nav ul { display: flex; flex-wrap: wrap; gap: 0.15rem 0.35rem; padding: 0 1rem 0.55rem; }
  .b7kbrs-nav li { border: none; }
  .b7kbrs-nav a { padding: 0.35rem 0.65rem; border-radius: 8px; font-size: 0.78rem; }
}

.b7kbrs-main { max-width: 900px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }

.b7kbrs-hero {
  margin-bottom: 2rem;
  padding: 1.5rem;
  border-radius: calc(var(--b7kbrs-radius) + 4px);
  background: linear-gradient(145deg, rgba(234, 88, 12, 0.16) 0%, rgba(30, 41, 59, 0.95) 100%);
  border: 1px solid var(--b7kbrs-border);
  box-shadow: var(--b7kbrs-shadow);
}

.b7kbrs-pill {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.18);
  color: var(--b7kbrs-copper);
  margin-bottom: 0.85rem;
}

.b7kbrs-hero h1 {
  font-family: var(--b7kbrs-serif);
  font-size: clamp(1.5rem, 4.5vw, 2.1rem);
  line-height: 1.22;
  margin: 0 0 0.85rem;
  color: #fff;
}

.b7kbrs-lead { font-size: 1.05rem; color: rgba(248, 250, 252, 0.92); margin: 0 0 1.25rem; max-width: 62ch; }

.b7kbrs-cta-row { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-bottom: 1.25rem; }

.b7kbrs-chip-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.55rem;
  margin-bottom: 1.35rem;
}
@media (min-width: 480px) { .b7kbrs-chip-row { grid-template-columns: repeat(4, 1fr); } }

.b7kbrs-chip {
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--b7kbrs-border);
  border-radius: 12px;
  padding: 0.55rem 0.65rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--b7kbrs-muted);
}
.b7kbrs-chip b { display: block; font-size: 1rem; color: #fdba74; margin-bottom: 0.15rem; }

.b7kbrs-hero-img { margin: 0; border-radius: var(--b7kbrs-radius); overflow: hidden; border: 2px solid rgba(234, 88, 12, 0.35); }

.b7kbrs-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--b7kbrs-radius);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1.15rem;
}

.b7kbrs-card h2 { font-family: var(--b7kbrs-serif); font-size: 1.35rem; margin: 1.5rem 0 0.75rem; color: var(--b7kbrs-copper); }
.b7kbrs-card h2:first-child { margin-top: 0; }
.b7kbrs-card h3 { font-size: 1.05rem; margin: 1.15rem 0 0.55rem; color: #fff; }
.b7kbrs-card p, .b7kbrs-card li { color: rgba(248, 250, 252, 0.9); }
.b7kbrs-card table { width: 100%; border-collapse: collapse; font-size: 0.88rem; margin: 1rem 0; }
.b7kbrs-card th, .b7kbrs-card td { border: 1px solid rgba(255, 255, 255, 0.12); padding: 0.55rem 0.65rem; text-align: left; }
.b7kbrs-card th { background: rgba(234, 88, 12, 0.22); color: #fdba74; }

.b7kbrs-promo { margin: 0 0 1.25rem; border-radius: var(--b7kbrs-radius); overflow: hidden; border: 1px solid var(--b7kbrs-border); }
.b7kbrs-promo figcaption { font-size: 0.78rem; color: var(--b7kbrs-muted); padding: 0.55rem 0.75rem; background: rgba(0, 0, 0, 0.35); }

.b7kbrs-cta-strip {
  text-align: center;
  padding: 1.75rem 1.25rem;
  margin: 2rem 0 1rem;
  border-radius: var(--b7kbrs-radius);
  background: linear-gradient(120deg, rgba(234, 88, 12, 0.22), rgba(30, 41, 59, 0.85));
  border: 1px solid var(--b7kbrs-border);
}
.b7kbrs-cta-strip p { margin: 0 0 1rem; font-size: 1.1rem; font-weight: 600; }

.b7kbrs-note { text-align: center; font-size: 0.82rem; color: var(--b7kbrs-muted); }
.b7kbrs-age {
  display: inline-block;
  background: var(--b7kbrs-accent-deep);
  color: #fff;
  font-weight: 800;
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  margin-right: 0.35rem;
}

.b7kbrs-footer {
  border-top: 1px solid var(--b7kbrs-border);
  padding: 1.75rem 1rem 2.5rem;
  max-width: 900px;
  margin: 0 auto;
  font-size: 0.82rem;
  color: var(--b7kbrs-muted);
}
.b7kbrs-sitemap p { line-height: 1.85; word-break: break-word; }