/* ============================================================
   BrainChain · pages.css
   home page sections, special blocks
============================================================ */

/* ---------- 10.1 Hero ---------- */
.bc-hero {
  display: grid;
  grid-template-columns: 54fr 46fr;
  gap: 0;
  min-height: 640px;
  border-bottom: 1px solid var(--bc-border-soft);
  background: var(--bc-bg-primary);
}

.bc-hero__panel {
  position: relative;
  padding: var(--bc-space-12) var(--bc-space-10);
  background:
    linear-gradient(180deg,
      rgba(255,255,255,0.08) 0%,
      rgba(255,255,255,0.02) 30%,
      rgba(0,0,0,0)         50%,
      rgba(0,0,0,0.06)      75%,
      rgba(0,0,0,0.18)      100%),
    linear-gradient(135deg, #7c3aed 0%, #6d28d9 50%, #0a0a0a 130%);
  color: white;
  display: flex;
  flex-direction: column;
  gap: var(--bc-space-6);
  overflow: hidden;
}
.bc-hero__panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(70% 50% at 25% 20%, rgba(255,255,255,0.07), transparent 70%);
  pointer-events: none;
}
.bc-hero__brandlock {
  display: flex; align-items: center; gap: var(--bc-space-2);
}
.bc-hero__brandlock .bc-brand__mark > * { background: white; }
.bc-hero__brandlock .bc-brand__mark > .bc-brand__plus { background: transparent; }
.bc-hero__brandlock .bc-brand__mark > .bc-brand__plus::before,
.bc-hero__brandlock .bc-brand__mark > .bc-brand__plus::after { background: white; }
.bc-hero__brandlock .name {
  font-family: var(--bc-font-sans);
  font-weight: var(--bc-fw-bold);
  font-size: var(--bc-fs-18);
  letter-spacing: -0.01em;
  color: white;
}
.bc-hero__brandlock .name span { color: rgba(255,255,255,0.8); }
.bc-hero__brandlock .sub {
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-10);
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  margin-left: var(--bc-space-2);
  padding-left: var(--bc-space-2);
  border-left: 1px solid rgba(255,255,255,0.18);
}
.bc-hero__eyebrow {
  position: relative;
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-11);
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.bc-hero__eyebrow::before { content: "[ "; opacity: 0.6; }
.bc-hero__eyebrow::after { content: " ]"; opacity: 0.6; }

.bc-hero__h1 {
  position: relative;
  font-size: clamp(32px, 3.6vw, 50px);
  font-weight: var(--bc-fw-semibold);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: white;
  white-space: pre-line;
}
.bc-hero__h1 .ast { color: var(--bc-accent-light); font-weight: var(--bc-fw-medium); }
.bc-hero__sub {
  position: relative;
  font-size: var(--bc-fs-16);
  line-height: var(--bc-lh-relaxed);
  color: rgba(255,255,255,0.85);
  max-width: 540px;
}
.bc-hero__tickers {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--bc-space-5);
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-12);
  color: rgba(255,255,255,0.85);
  letter-spacing: var(--bc-ls-wide);
  text-transform: uppercase;
  padding: var(--bc-space-3) 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-top: var(--bc-space-2);
  flex-wrap: wrap;
}
.bc-hero__tickers .stat {
  display: flex; gap: var(--bc-space-2); align-items: center;
}
.bc-hero__tickers .stat .num {
  font-weight: var(--bc-fw-bold);
  font-size: var(--bc-fs-18);
  color: white;
  letter-spacing: -0.01em;
}
.bc-hero__tickers .sep { color: rgba(255,255,255,0.3); }

.bc-hero__ctas {
  position: relative;
  display: flex; gap: var(--bc-space-3); flex-wrap: wrap;
}
.bc-hero__shipping {
  position: relative;
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-10);
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.04em;
}

.bc-hero__cockpit-wrap {
  background: var(--bc-bg-void);
  padding: var(--bc-space-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--bc-space-3);
}
.bc-hero__cockpit-cap {
  text-align: center;
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-10);
  color: var(--bc-text-tertiary);
  letter-spacing: 0.04em;
}
.bc-hero__cockpit-cap .arrow { color: var(--bc-accent-light); margin-right: 4px; }

@media (max-width: 1024px) {
  .bc-hero { grid-template-columns: 1fr; min-height: 0; }
  .bc-hero__panel { padding: var(--bc-space-10) var(--bc-space-6); }
  .bc-hero__cockpit-wrap { padding: var(--bc-space-4); }
}

/* ---------- 10.2  Em 30 segundos ---------- */
.bc-resume-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--bc-space-3);
}
.bc-resume-card {
  background: var(--bc-bg-secondary);
  border: 1px solid var(--bc-border-soft);
  border-radius: var(--bc-radius-lg);
  padding: var(--bc-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--bc-space-2);
  position: relative;
  min-height: 200px;
  transition: transform 200ms, border-color 200ms;
}
.bc-resume-card:hover {
  border-color: var(--bc-border);
  transform: translateY(-2px);
}
.bc-resume-card__num {
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-12);
  color: var(--bc-accent-light);
  font-weight: var(--bc-fw-semibold);
  letter-spacing: var(--bc-ls-wide);
}
.bc-resume-card__title {
  font-family: var(--bc-font-sans);
  font-size: var(--bc-fs-14);
  font-weight: var(--bc-fw-semibold);
  color: var(--bc-text-primary);
  line-height: 1.3;
  display: flex; align-items: center; gap: var(--bc-space-2);
}
.bc-resume-card__icon {
  width: 18px; height: 18px;
  color: var(--bc-accent-light);
  flex-shrink: 0;
}
.bc-resume-card__body {
  font-size: var(--bc-fs-12);
  color: var(--bc-text-secondary);
  line-height: var(--bc-lh-relaxed);
  margin-top: auto;
}

@media (max-width: 1024px) { .bc-resume-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .bc-resume-grid { grid-template-columns: 1fr; } }

/* ---------- 10.3 Por que agora · two col ---------- */
.bc-twocol {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--bc-space-12);
  align-items: start;
}
.bc-twocol__txt p {
  font-size: var(--bc-fs-15);
  color: var(--bc-text-secondary);
  line-height: var(--bc-lh-relaxed);
  margin-bottom: var(--bc-space-3);
}
.bc-twocol__txt .arrow {
  color: var(--bc-accent-light);
  font-family: var(--bc-font-mono);
  margin-right: 4px;
}
.bc-twocol__txt strong { color: var(--bc-text-primary); font-weight: var(--bc-fw-semibold); }
@media (max-width: 1024px) { .bc-twocol { grid-template-columns: 1fr; gap: var(--bc-space-8); } }

/* Rate limited Claude pane */
.bc-mock-rate {
  background: var(--bc-bg-void);
  border: 1px solid var(--bc-border-soft);
  border-radius: var(--bc-radius-xl);
  overflow: hidden;
  font-family: var(--bc-font-mono);
}
.bc-mock-rate__head {
  background: var(--bc-bg-secondary);
  border-bottom: 1px solid var(--bc-border-soft);
  padding: var(--bc-space-2) var(--bc-space-3);
  display: flex; align-items: center; gap: var(--bc-space-2);
  font-size: var(--bc-fs-10);
  color: var(--bc-text-tertiary);
}
.bc-mock-rate__head .id {
  background: rgba(194,65,12,0.18); color: #fb923c;
  padding: 1px 6px; border-radius: var(--bc-radius-sm);
  font-weight: var(--bc-fw-semibold);
  letter-spacing: var(--bc-ls-wide);
}
.bc-mock-rate__head .status {
  margin-left: auto;
  display: flex; align-items: center; gap: 4px;
  color: var(--bc-error);
}
.bc-mock-rate__body {
  padding: var(--bc-space-3);
  font-size: var(--bc-fs-11);
  color: var(--bc-text-secondary);
  line-height: 1.6;
}
.bc-mock-rate__rule {
  border: 0; border-top: 1px solid var(--bc-border-soft); margin: var(--bc-space-2) 0;
}
.bc-mock-rate__bars {
  display: grid;
  grid-template-columns: max-content 1fr max-content;
  gap: var(--bc-space-1) var(--bc-space-3);
  align-items: center;
  margin: var(--bc-space-3) 0;
  font-size: var(--bc-fs-10);
}
.bc-mock-rate__bars .label { color: var(--bc-text-tertiary); }
.bc-mock-rate__bars .bar {
  height: 6px;
  background: var(--bc-bg-tertiary);
  border-radius: var(--bc-radius-sm);
  overflow: hidden;
}
.bc-mock-rate__bars .bar > span {
  display: block; height: 100%;
  background: var(--bc-error);
}
.bc-mock-rate__bars .pct { color: var(--bc-error); font-weight: var(--bc-fw-semibold); font-size: var(--bc-fs-10); }
.bc-mock-rate__footer {
  border-top: 1px solid var(--bc-border-soft);
  padding: var(--bc-space-2) var(--bc-space-3);
  background: rgba(239,68,68,0.05);
  font-size: var(--bc-fs-10);
  color: var(--bc-text-tertiary);
  display: flex; justify-content: space-between;
}

/* ---------- 10.5 Squad config ---------- */
.bc-squad {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--bc-space-3);
}
.bc-role-card {
  position: relative;
  background: var(--bc-bg-secondary);
  border: 1px solid var(--bc-border-soft);
  border-radius: var(--bc-radius-xl);
  padding: var(--bc-space-4);
  display: flex; flex-direction: column;
  gap: var(--bc-space-2);
  transition: transform 200ms, border-color 200ms;
  min-height: 280px;
}
.bc-role-card:hover { border-color: var(--bc-accent); }
.bc-role-card[data-tilt] { transform-style: preserve-3d; }
.bc-role-card__score {
  position: absolute;
  top: var(--bc-space-3); right: var(--bc-space-3);
  font-family: var(--bc-font-mono);
  font-size: 26px;
  font-weight: var(--bc-fw-bold);
  color: var(--bc-text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}
.bc-role-card__handle {
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-11);
  color: var(--bc-accent-light);
}
.bc-role-card__role {
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-10);
  font-weight: var(--bc-fw-semibold);
  letter-spacing: var(--bc-ls-wide);
  text-transform: uppercase;
  color: var(--bc-text-tertiary);
}
.bc-role-card__model {
  font-size: var(--bc-fs-13);
  font-weight: var(--bc-fw-semibold);
  color: var(--bc-text-primary);
}
.bc-role-card__desc {
  font-size: var(--bc-fs-11);
  color: var(--bc-text-secondary);
  line-height: var(--bc-lh-relaxed);
}
.bc-role-card__metrics {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px var(--bc-space-2);
  margin: var(--bc-space-2) 0;
  font-size: var(--bc-fs-9);
  font-family: var(--bc-font-mono);
  color: var(--bc-text-tertiary);
}
.bc-role-card__fit {
  margin-top: auto;
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-9);
  letter-spacing: var(--bc-ls-wide);
  text-transform: uppercase;
  color: var(--bc-success);
  display: flex; gap: 4px; align-items: center;
}

.bc-squad-bench {
  margin-top: var(--bc-space-6);
  border-top: 1px dashed var(--bc-border-soft);
  padding-top: var(--bc-space-4);
  display: flex;
  align-items: center;
  gap: var(--bc-space-3);
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-10);
  letter-spacing: var(--bc-ls-wide);
  text-transform: uppercase;
  color: var(--bc-text-tertiary);
  flex-wrap: wrap;
}
.bc-squad-bench__grid {
  display: flex; gap: var(--bc-space-1);
}

@media (max-width: 1024px) { .bc-squad { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .bc-squad { grid-template-columns: 1fr; } }

/* ---------- 10.6 Benchmark table ---------- */
.bc-bench {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-11);
}
.bc-bench thead th {
  text-align: left;
  padding: var(--bc-space-3) var(--bc-space-3);
  border-bottom: 1px solid var(--bc-border);
  color: var(--bc-text-tertiary);
  font-weight: var(--bc-fw-semibold);
  letter-spacing: var(--bc-ls-wide);
  text-transform: uppercase;
  font-size: var(--bc-fs-10);
  background: var(--bc-bg-secondary);
}
.bc-bench thead th:nth-child(1) { width: 32px; }
.bc-bench tbody td {
  padding: var(--bc-space-3) var(--bc-space-3);
  border-bottom: 1px solid var(--bc-border-soft);
  color: var(--bc-text-secondary);
  vertical-align: middle;
}
.bc-bench tbody tr:hover td { background: rgba(124,58,237,0.04); }
.bc-bench .num { font-variant-numeric: tabular-nums; color: var(--bc-text-primary); font-weight: var(--bc-fw-medium); }
.bc-bench .model { color: var(--bc-text-primary); font-weight: var(--bc-fw-semibold); font-family: var(--bc-font-sans); }
.bc-bench .model .vendor { color: var(--bc-text-tertiary); font-weight: var(--bc-fw-regular); font-family: var(--bc-font-mono); margin-left: 6px; }
.bc-bench .overall {
  display: inline-flex; align-items: center; gap: var(--bc-space-2);
  min-width: 90px;
}
.bc-bench .overall-bar {
  flex: 1; height: 4px;
  background: var(--bc-bg-tertiary);
  border-radius: var(--bc-radius-full);
  overflow: hidden;
  min-width: 40px;
}
.bc-bench .overall-bar > span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--bc-accent), var(--bc-accent-light));
}
.bc-bench .verdict {
  font-size: var(--bc-fs-10);
  letter-spacing: var(--bc-ls-wide);
  text-transform: uppercase;
}
.bc-bench .verdict.warn { color: var(--bc-warning); }
.bc-bench .verdict.ok { color: var(--bc-success); }
.bc-bench .verdict.info { color: var(--bc-info); }
.bc-bench__head-bar {
  display: flex; align-items: center; gap: var(--bc-space-3);
  margin-bottom: var(--bc-space-3);
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-10);
  color: var(--bc-text-tertiary);
  letter-spacing: var(--bc-ls-wide);
  text-transform: uppercase;
}
.bc-bench-wrap {
  background: var(--bc-bg-secondary);
  border: 1px solid var(--bc-border-soft);
  border-radius: var(--bc-radius-xl);
  overflow: hidden;
}
.bc-bench__caption {
  padding: var(--bc-space-4);
  background: var(--bc-bg-secondary);
  border-top: 1px solid var(--bc-border-soft);
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-11);
  color: var(--bc-text-tertiary);
  line-height: var(--bc-lh-relaxed);
}
.bc-bench__caption strong { color: var(--bc-text-primary); font-weight: var(--bc-fw-semibold); }

/* ---------- 10.7 Diz sim / Diz não ---------- */
.bc-qualif {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--bc-space-6);
}
.bc-qualif__col {
  background: var(--bc-bg-secondary);
  border: 1px solid var(--bc-border-soft);
  border-radius: var(--bc-radius-xl);
  padding: var(--bc-space-6);
}
.bc-qualif__title {
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-12);
  color: var(--bc-text-primary);
  letter-spacing: var(--bc-ls-wide);
  text-transform: uppercase;
  margin-bottom: var(--bc-space-4);
  font-weight: var(--bc-fw-semibold);
  padding-bottom: var(--bc-space-3);
  border-bottom: 1px solid var(--bc-border-soft);
  display: flex; align-items: center; gap: var(--bc-space-2);
}
.bc-qualif__diamond { color: var(--bc-accent-light); }
.bc-qualif--no .bc-qualif__diamond { color: var(--bc-error); }
.bc-qualif__list {
  display: flex; flex-direction: column; gap: var(--bc-space-3);
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-13);
  color: var(--bc-text-secondary);
  line-height: var(--bc-lh-relaxed);
}
.bc-qualif__list li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: var(--bc-space-2);
}
.bc-qualif__list .sign { color: var(--bc-success); font-weight: var(--bc-fw-bold); }
.bc-qualif--no .bc-qualif__list .sign { color: var(--bc-error); }
@media (max-width: 768px) { .bc-qualif { grid-template-columns: 1fr; gap: var(--bc-space-4); } }

/* ---------- 10.8 FAQ ---------- */
.bc-faq {
  display: flex; flex-direction: column;
  gap: 1px;
  background: var(--bc-bg-secondary);
  border: 1px solid var(--bc-border-soft);
  border-radius: var(--bc-radius-xl);
  overflow: hidden;
}
.bc-faq__item { border-bottom: 1px solid var(--bc-border-soft); }
.bc-faq__item:last-child { border-bottom: 0; }
.bc-faq__q {
  width: 100%;
  display: flex; align-items: center; gap: var(--bc-space-3);
  padding: var(--bc-space-4) var(--bc-space-5);
  text-align: left;
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-13);
  color: var(--bc-text-primary);
  font-weight: var(--bc-fw-medium);
  transition: background 150ms;
}
.bc-faq__q:hover { background: var(--bc-bg-tertiary); }
.bc-faq__q .num {
  color: var(--bc-text-muted);
  font-size: var(--bc-fs-11);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
.bc-faq__q .label { flex: 1; }
.bc-faq__q .icon {
  width: 14px; height: 14px;
  color: var(--bc-text-tertiary);
  transition: transform 200ms;
}
.bc-faq__item[data-open="true"] .bc-faq__q .icon { transform: rotate(45deg); color: var(--bc-accent-light); }
.bc-faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease;
}
.bc-faq__item[data-open="true"] .bc-faq__a { max-height: 600px; }
.bc-faq__inner {
  padding: 0 var(--bc-space-5) var(--bc-space-4) calc(var(--bc-space-5) + 32px);
  font-size: var(--bc-fs-13);
  color: var(--bc-text-secondary);
  line-height: var(--bc-lh-relaxed);
}

/* ---------- 10.9 Agents grid ---------- */
.bc-agents-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--bc-space-3);
}
.bc-agent-tile {
  background: var(--bc-bg-secondary);
  border: 1px solid var(--bc-border-soft);
  border-radius: var(--bc-radius-xl);
  padding: var(--bc-space-4);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--bc-space-2);
  border-left: 2px solid var(--bc-color);
  transition: transform 200ms, border-color 200ms;
}
.bc-agent-tile:hover { transform: translateY(-2px); }
.bc-agent-tile__head {
  display: flex; align-items: center; gap: var(--bc-space-2);
}
.bc-agent-tile__name {
  font-size: var(--bc-fs-15);
  font-weight: var(--bc-fw-semibold);
  color: var(--bc-text-primary);
}
.bc-agent-tile__cli {
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-11);
  color: var(--bc-text-tertiary);
  background: var(--bc-bg-tertiary);
  padding: 4px 8px;
  border-radius: var(--bc-radius-sm);
  display: inline-flex;
  align-self: flex-start;
}
.bc-agent-tile__cli::before { content: "$ "; color: var(--bc-text-muted); }

@media (max-width: 1024px) { .bc-agents-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .bc-agents-grid { grid-template-columns: 1fr; } }

/* ---------- 10.10 Pricing ---------- */
.bc-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--bc-space-4);
  align-items: stretch;
}
.bc-plan {
  background: var(--bc-bg-secondary);
  border: 1px solid var(--bc-border-soft);
  border-radius: var(--bc-radius-2xl);
  padding: var(--bc-space-6);
  display: flex;
  flex-direction: column;
  gap: var(--bc-space-3);
  position: relative;
}
.bc-plan--featured {
  border-color: var(--bc-accent);
  background: linear-gradient(180deg, rgba(124,58,237,0.10), var(--bc-bg-secondary) 50%);
}
.bc-plan__pop {
  position: absolute;
  top: -10px; left: var(--bc-space-6);
  background: var(--bc-accent);
  color: white;
}
.bc-plan__name {
  font-size: var(--bc-fs-13);
  font-family: var(--bc-font-mono);
  letter-spacing: var(--bc-ls-wide);
  text-transform: uppercase;
  color: var(--bc-text-tertiary);
}
.bc-plan__price {
  font-size: 34px;
  font-weight: var(--bc-fw-bold);
  letter-spacing: -0.02em;
  color: var(--bc-text-primary);
  line-height: 1;
}
.bc-plan__price small {
  font-size: var(--bc-fs-13);
  color: var(--bc-text-tertiary);
  font-weight: var(--bc-fw-regular);
  letter-spacing: 0;
  margin-left: 4px;
}
.bc-plan__sub {
  font-size: var(--bc-fs-12);
  color: var(--bc-text-tertiary);
  font-family: var(--bc-font-mono);
}
.bc-plan__features {
  display: flex; flex-direction: column;
  gap: var(--bc-space-2);
  margin: var(--bc-space-3) 0;
  font-size: var(--bc-fs-13);
  color: var(--bc-text-secondary);
}
.bc-plan__features li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: var(--bc-space-2);
  align-items: start;
}
.bc-plan__features svg { width: 14px; height: 14px; color: var(--bc-accent-light); margin-top: 2px; }
.bc-plan__btn { margin-top: auto; }
.bc-plan__chip { display: inline-flex; margin-top: var(--bc-space-2); }
.bc-plan-bottom {
  margin-top: var(--bc-space-6);
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-10);
  color: var(--bc-text-tertiary);
  letter-spacing: 0.04em;
  display: flex;
  gap: var(--bc-space-6);
  justify-content: center;
  flex-wrap: wrap;
}
.bc-plan-bottom .check { color: var(--bc-success); margin-right: 4px; }

@media (max-width: 1024px) { .bc-plans { grid-template-columns: 1fr; } }

/* ---------- 10.11 About the builder ---------- */
.bc-builder {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--bc-space-6);
  align-items: start;
}
.bc-builder__mark {
  width: 80px; height: 80px;
  border-radius: var(--bc-radius-xl);
  background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 60%, #a78bfa 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 4px;
  padding: 14px;
}
.bc-builder__mark > * { background: rgba(255,255,255,0.95); border-radius: 4px; }
.bc-builder__mark > .plus { background: transparent; position: relative; }
.bc-builder__mark > .plus::before, .bc-builder__mark > .plus::after {
  content: ""; position: absolute; background: rgba(255,255,255,0.95); border-radius: 2px;
}
.bc-builder__mark > .plus::before { inset: 50% 4px; height: 4px; transform: translateY(-50%); }
.bc-builder__mark > .plus::after  { inset: 4px 50%; width: 4px;  transform: translateX(-50%); }
.bc-builder__body {
  font-size: var(--bc-fs-15);
  color: var(--bc-text-secondary);
  line-height: var(--bc-lh-relaxed);
}
.bc-builder__body p + p { margin-top: var(--bc-space-3); }
.bc-builder__body strong { color: var(--bc-text-primary); font-weight: var(--bc-fw-semibold); }

/* ---------- 10.12 Density manifesto terminal ---------- */
.bc-manifesto {
  background: var(--bc-bg-void);
  border: 1px solid var(--bc-border-soft);
  border-radius: var(--bc-radius-xl);
  padding: var(--bc-space-6);
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-14);
  color: var(--bc-text-secondary);
  line-height: var(--bc-lh-loose);
}
.bc-manifesto .line { display: flex; gap: var(--bc-space-2); }
.bc-manifesto .arrow { color: var(--bc-success); flex-shrink: 0; }

/* ---------- 10.13 Final CTA ---------- */
.bc-finalcta {
  position: relative;
  padding: var(--bc-space-16) var(--bc-space-6);
  text-align: center;
  background:
    linear-gradient(180deg,
      rgba(255,255,255,0.06) 0%,
      rgba(255,255,255,0.02) 35%,
      rgba(0,0,0,0)          55%,
      rgba(0,0,0,0.08)       80%,
      rgba(0,0,0,0.22)       100%),
    linear-gradient(135deg, #7c3aed 0%, #6d28d9 50%, #0a0a0a 130%);
  color: white;
  overflow: hidden;
}
.bc-finalcta__inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--bc-space-5);
}
.bc-finalcta h2 {
  font-size: clamp(32px, 4vw, 50px);
  font-weight: var(--bc-fw-semibold);
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: white;
}
.bc-finalcta p {
  color: rgba(255,255,255,0.85);
  font-size: var(--bc-fs-16);
  line-height: var(--bc-lh-relaxed);
}
.bc-finalcta__ctas {
  display: flex; gap: var(--bc-space-3); justify-content: center; flex-wrap: wrap;
}
.bc-finalcta__note {
  font-family: var(--bc-font-mono);
  font-size: var(--bc-fs-11);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.04em;
}

/* ---------- Solution band (10.4) ---------- */
.bc-solution {
  background: var(--bc-bg-void);
}