/* Between: public reference, technical Stellungnahme sample */

.bt-page {
  --bt-ink: #1d1d1f;
  --bt-muted: #6e6e73;
  --bt-line: rgba(0, 0, 0, 0.08);
  --bt-accent: #1d1d1f;
  --bt-accent-soft: rgba(29, 29, 31, 0.06);
  min-height: 100vh;
  background:
    radial-gradient(ellipse 70% 40% at 50% -5%, rgba(29, 29, 31, 0.05), transparent 50%),
    #f5f5f7;
  margin: 0;
  font-family: "Outfit", "Outfit Fallback", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  color: var(--bt-ink);
}

.bt-demo-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 1.2rem;
  background: #111;
  color: #e8e8ed;
  font-size: 0.82rem;
}
.demo-bar-links { display: flex; gap: 1rem; align-items: center; }
.bt-demo-bar a {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}
.bt-demo-bar a:hover { text-decoration: underline; }

.bt-sample-banner {
  max-width: 720px;
  margin: 1.25rem auto 0;
  padding: 0.95rem 1.1rem;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--bt-line);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  font-size: 0.92rem;
  color: #3a3a3c;
  line-height: 1.45;
}
.bt-sample-banner strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--bt-ink);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.bt-nav-tag {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--bt-muted);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.04);
}

.bt-hero,
.bt-section {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 clamp(1.2rem, 4vw, 2rem);
}

.bt-hero {
  padding-top: clamp(2rem, 6vh, 3.5rem);
  padding-bottom: 1.5rem;
}

.bt-eyebrow {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bt-muted);
}

.bt-hero h1 {
  margin: 0.55rem 0 0;
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.04em;
  font-weight: 800;
  line-height: 1.1;
}

.bt-lead {
  margin: 0.9rem 0 0;
  font-size: 1.05rem;
  line-height: 1.55;
  color: #3a3a3c;
  max-width: 40rem;
}

.bt-disclaimer {
  margin: 1.1rem 0 0;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: #f0f0f5;
  border: 1px solid var(--bt-line);
  color: var(--bt-muted);
  font-size: 0.88rem;
  max-width: 40rem;
}

.bt-callout {
  margin: 0.9rem 0 0;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  font-size: 0.92rem;
  color: #3a3a3c;
}
.bt-callout strong { display: block; margin-bottom: 0.35rem; }
.bt-callout ul { margin: 0.4rem 0 0; padding-left: 1.1rem; }

.bt-callout-warn {
  background: #fff8e8;
  border: 1px solid rgba(180, 130, 0, 0.25);
}
.bt-callout-risk {
  background: #fff5f5;
  border: 1px solid rgba(180, 35, 24, 0.18);
}
.bt-callout-cost {
  background: #f7f4ef;
  border: 1px solid rgba(120, 90, 40, 0.18);
}
.bt-callout-suggest {
  background: #f3f4f6;
  border: 1px solid rgba(29, 29, 31, 0.1);
}

.bt-a ol { margin: 0 0 0.7rem; padding-left: 1.15rem; }
.bt-a ol li { margin: 0.3rem 0; }
.bt-a code {
  font-size: 0.88em;
  background: #ececf0;
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
}

.bt-table-wrap {
  overflow-x: auto;
  margin: 1rem 0;
  border-radius: 16px;
  border: 1px solid var(--bt-line);
  background: #fff;
}
.bt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.bt-table th,
.bt-table td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--bt-line);
  vertical-align: top;
}
.bt-table thead th {
  border-top: 0;
  background: #fafafa;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--bt-muted);
}

.bt-section > ol {
  margin: 0.5rem 0 0.8rem;
  padding-left: 1.2rem;
  color: #3a3a3c;
}
.bt-section > ol li { margin: 0.4rem 0; }

.bt-ref {
  margin-top: 1.1rem;
  padding: 1rem 1.05rem;
  border-radius: 16px;
  background: #f5f5f7;
  border: 1px solid var(--bt-line);
}
.bt-ref-muted { background: #fafafa; }
.bt-ref-label {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bt-muted);
}
.bt-ref-text {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  color: #3a3a3c;
}
.bt-ref-text a {
  color: var(--bt-ink);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.bt-code {
  margin: 0;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: #1d1d1f;
  color: #f5f5f7;
  overflow-x: auto;
  font-size: 0.78rem;
  line-height: 1.45;
}
.bt-code code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: transparent;
  padding: 0;
  color: inherit;
}

.bt-arch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.55rem;
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
}
.bt-arch > span {
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--bt-line);
  color: var(--bt-ink);
}
.bt-arch > i {
  font-style: normal;
  color: var(--bt-muted);
  font-weight: 600;
}
.bt-arch-bad {
  background: #fff5f5 !important;
  border-color: rgba(180, 35, 24, 0.2) !important;
  color: #b42318 !important;
}
.bt-arch-stack {
  display: grid;
  gap: 0.35rem;
  justify-items: center;
  margin: 1rem 0;
  padding: 1rem;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--bt-line);
}
.bt-arch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: center;
}
.bt-arch-row span,
.bt-arch-row-multi span {
  padding: 0.45rem 0.8rem;
  border-radius: 12px;
  background: #f5f5f7;
  border: 1px solid var(--bt-line);
  font-size: 0.8rem;
  font-weight: 700;
}
.bt-arch-row-multi span:first-child {
  background: #ececf0;
  border-color: rgba(29, 29, 31, 0.15);
  color: var(--bt-ink);
}
.bt-arch-arrow {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--bt-muted);
}

.bt-section {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}
.bt-section h2 {
  margin: 0 0 0.85rem;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.bt-section > p {
  margin: 0 0 0.85rem;
  color: #3a3a3c;
}

.bt-qa {
  margin-top: 1.1rem;
  padding: 1.35rem 1.3rem;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--bt-line);
}
.bt-qa h3 {
  margin: 0 0 0.9rem;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.bt-q-label,
.bt-a-label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bt-muted);
}
.bt-a-label { color: var(--bt-ink); margin-top: 1rem !important; }
.bt-q {
  margin: 0.35rem 0 0;
  font-weight: 600;
  color: var(--bt-ink);
}
.bt-a { margin-top: 0.45rem; color: #3a3a3c; }
.bt-a p { margin: 0 0 0.7rem; }
.bt-a p:last-child { margin-bottom: 0; }
.bt-a ul { margin: 0 0 0.7rem; padding-left: 1.15rem; }
.bt-a li { margin: 0.3rem 0; }

.bt-next {
  margin-bottom: 2rem;
  padding: 1.5rem 1.3rem !important;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--bt-line);
}
.bt-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.6rem;
  align-items: center;
  margin-top: 1rem !important;
  font-weight: 600;
}
.bt-contact a { color: var(--bt-ink); text-decoration: underline; text-underline-offset: 2px; }
.bt-contact span { color: var(--bt-muted); font-weight: 500; }

.bt-foot-note {
  margin: 0.75rem 0 0;
  width: 100%;
  color: var(--bt-muted);
  font-size: 0.85rem;
}

.bt-doc .footer {
  max-width: 720px;
  margin: 0 auto 2rem;
  padding: 0 clamp(1.2rem, 4vw, 2rem) 2rem;
}

.bt-doc .nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem clamp(1.2rem, 4vw, 2rem);
  background: rgba(245, 245, 247, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bt-line);
}
.bt-doc .nav .logo {
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: inherit;
}
.bt-doc .nav .logo span { font-weight: 800; }

@media (max-width: 640px) {
  .bt-qa { padding: 1.1rem 1rem; }
  .bt-sample-banner { margin-left: clamp(1.2rem, 4vw, 2rem); margin-right: clamp(1.2rem, 4vw, 2rem); }
}