.bf {
  max-width: 1120px;
  margin: 0 auto;
  padding: calc(48px + env(safe-area-inset-top)) 20px 64px;
  color: var(--text-dim);
}

.bf-hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
  padding-bottom: 56px;
}
.bf-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  padding: 6px 14px;
  border: 1px solid var(--hairline);
  border-radius: var(--pill);
  background: var(--accent-weak);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.bf-h1 {
  margin: 0 0 20px;
  font-size: clamp(36px, 5.4vw, 60px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--text);
  text-wrap: balance;
}
.bf-hl { display: block; color: var(--accent-text); }
.bf-lead {
  margin: 0 0 28px;
  max-width: 54ch;
  font-size: 17px;
  line-height: 1.65;
}
.bf-cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.bf-cta { padding: 14px 26px; font-size: 16px; }
.bf-note { font-size: 14px; color: var(--text-dim2); }
.bf-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--text-dim2);
}
.bf-trust b { color: var(--text); font-weight: 600; }

.bf-hero-media {
  margin: 0;
  aspect-ratio: 4 / 5;
  border-radius: var(--card-radius);
  overflow: hidden;
  border: 1px solid var(--hairline);
  box-shadow: var(--grad-shadow);
}
.bf-hero-media img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; }

.bf-seg {
  max-width: 860px;
  padding: 44px 0;
  border-top: 1px solid var(--hairline);
}
.bf-eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-text);
}
.bf-seg h2 {
  margin: 0 0 22px;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  text-wrap: balance;
}
.bf-seg p { margin: 0 0 16px; font-size: 15px; line-height: 1.75; text-wrap: pretty; }
.bf-seg p strong { color: var(--text); font-weight: 600; }
.bf-seg p a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.bf-table-wrap {
  margin-top: 8px;
  overflow-x: auto;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: var(--surface-1);
}
.bf-table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 15px; }
.bf-table th, .bf-table td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--hairline); }
.bf-table tr:last-child th, .bf-table tr:last-child td { border-bottom: 0; }
.bf-table thead th {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-dim2);
}
.bf-table tbody th { font-weight: 500; color: var(--text); }
.bf-table td { color: var(--text-dim2); }
.bf-table .bf-yes { color: var(--accent-text); font-weight: 600; }

.bf-final {
  max-width: none;
  margin: 12px 0;
  padding: 44px 36px;
  border: 1px solid transparent;
  border-radius: var(--card-radius);
  background: var(--grad-fill) padding-box, var(--grad-border) border-box;
  box-shadow: var(--grad-shadow);
}
.bf-final + .bf-seg { border-top: 0; }
.bf-final p { max-width: 68ch; }

.bf-faq-item {
  margin-bottom: 8px;
  padding: 14px 16px;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: var(--surface-1);
}
.bf-faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  cursor: pointer;
}
.bf-faq-item summary::-webkit-details-marker { display: none; }
.bf-faq-caret { flex: none; color: var(--text-dim2); transition: transform .2s ease; }
.bf-faq-item[open] .bf-faq-caret { transform: rotate(90deg); }
.bf-seg .bf-faq-item p { margin: 10px 0 0; max-width: 68ch; line-height: 1.6; }

@media (prefers-reduced-motion: reduce) {
  .bf-faq-caret { transition: none; }
}

@media (max-width: 860px) {
  .bf { padding-top: calc(28px + env(safe-area-inset-top)); }
  .bf-hero { grid-template-columns: 1fr; gap: 32px; }
  .bf-hero-media { aspect-ratio: 4 / 3; }
  .bf-final { padding: 32px 20px; }
}

.bf-hero-chat {
  display: flex;
  flex-direction: column;
  border: 1px solid transparent;
  background: var(--grad-fill) padding-box, var(--grad-border) border-box;
}
.bf-chat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--hairline);
}
.bf-chat-avatar {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}
.bf-chat-head div b { display: block; font-size: 15px; color: var(--text); }
.bf-chat-head div span { font-size: 13px; color: var(--online); }
.bf-chat-feed {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  padding: 24px 20px;
}
.bf-bubble {
  max-width: 80%;
  margin: 0;
  padding: 10px 14px;
  border-radius: 18px;
  font-size: 15px;
  line-height: 1.45;
}
.bf-bubble-in {
  align-self: flex-start;
  border-bottom-left-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
}
.bf-bubble-out {
  align-self: flex-end;
  border-bottom-right-radius: 6px;
  background: var(--accent);
  color: #fff;
}

@media (max-width: 860px) {
  .bf-hero-chat { aspect-ratio: auto; }
}