/* Hero demo styles + homepage layout styles for BifferProxy */

/* ============ HERO ============ */
.hero-sec .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.25fr);
  gap: 72px;
  align-items: center;
}
@media (max-width: 1080px) {
  .hero-sec .hero-grid { grid-template-columns: 1fr; gap: 48px; }
}

.hero-copy .eyebrow { margin-bottom: 24px; }
.hero-copy h1 { margin: 0 0 40px; line-height: 1.1; }
.hero-copy h1 .mega-line { display: block; }
.hero-copy .lede {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-muted);
  max-width: 46ch;
  margin: 0 0 36px;
}
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ============ Hero demo frame ============ */
.hero-demo {
  position: relative;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(138, 168, 192, 0.05);
}
.hd-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(138, 168, 192, 0.09);
  background: rgba(13, 27, 42, 0.4);
}
.hd-dots { display: flex; gap: 6px; }
.hd-dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
}
.hd-dots span:nth-child(2) { background: rgba(201,162,39,0.35); border-color: rgba(201,162,39,0.5); }
.hd-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
  display: flex; align-items: center; gap: 10px;
}
.hd-title .hd-sep { color: var(--ink-faint); }
.hd-title .dim { color: var(--ink-faint); }
.hd-status { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--ink-muted); }
.hd-led {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ink-faint);
  transition: background 200ms;
}
.hd-led.on {
  background: var(--kin);
  box-shadow: 0 0 10px rgba(201, 162, 39, 0.7);
  animation: livePulse 1.8s ease-in-out infinite;
}

.hd-body { padding: 22px 22px 16px; }
.hd-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.12em;
  margin: 0 0 10px;
}
.hd-label.response { margin-top: 18px; opacity: 0.35; transition: opacity 300ms; }
.hd-label.response.on { opacity: 1; }
.hd-label .hd-caret { color: var(--kin); font-weight: 700; }
.hd-label .hd-hint {
  margin-left: auto;
  font-size: 10px;
  color: var(--ink-faint);
  text-transform: none;
  letter-spacing: 0.02em;
}

.hd-prompt {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
  min-height: 48px;
  padding: 10px 2px;
}
.hd-prompt.response { color: var(--ink-muted); min-height: 44px; }
.hd-prompt .hd-cursor {
  display: inline-block;
  margin-left: 1px;
  color: var(--kin);
  animation: blink 1s steps(2) infinite;
}
.hd-prompt .hd-cursor.dim { color: var(--tsuru); }
@keyframes blink { 50% { opacity: 0; } }

.hd-span {
  display: inline-block;
  transition: transform 300ms var(--ease-out), opacity 240ms var(--ease-out);
}
.hd-span.pending {
  background: linear-gradient(90deg, transparent, rgba(201,162,39,0.12), transparent);
  background-size: 200% 100%;
  animation: scan 1.6s linear infinite;
  border-radius: 4px;
  padding: 0 2px;
}
.hd-span.swapped { animation: pop 300ms var(--ease-out); }
.hd-span.restored { animation: pop 260ms var(--ease-out); color: var(--ink); }
@keyframes scan { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
@keyframes pop {
  0% { transform: scale(0.94); opacity: 0.3; }
  60% { transform: scale(1.02); }
  100% { transform: scale(1); opacity: 1; }
}

/* Pipe between prompt and response */
.hd-pipe {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 14px 0 4px;
  opacity: 0.35;
  transition: opacity 300ms;
}
.hd-pipe.active { opacity: 1; }
.hd-pipe-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,162,39,0.3), transparent);
  position: relative;
  overflow: hidden;
  border-radius: 1px;
}
.hd-pipe-line.reverse {
  background: linear-gradient(90deg, transparent, rgba(74,141,181,0.3), transparent);
}
.hd-pkt {
  position: absolute;
  top: -2px;
  left: 0;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--kin);
  box-shadow: 0 0 10px rgba(201,162,39,0.8);
}
.hd-pipe.active .hd-pkt { animation: pkt 1.4s linear infinite; }
.hd-pipe.return .hd-pkt { background: var(--tsuru); box-shadow: 0 0 10px rgba(74,141,181,0.8); animation: pktR 1.4s linear infinite; }
@keyframes pkt { from { left: -5%; } to { left: 105%; } }
@keyframes pktR { from { left: 105%; } to { left: -5%; } }
.hd-pipe-label {
  display: flex; flex-direction: column; gap: 2px;
  font-size: 11px;
  color: var(--ink-muted);
  min-width: 180px;
  text-align: right;
}
.hd-pipe-label .dim { color: var(--ink-faint); font-size: 10px; }

.hd-foot {
  display: flex;
  padding: 12px 20px;
  border-top: 1px solid rgba(138, 168, 192, 0.09);
  background: rgba(13, 27, 42, 0.4);
  gap: 32px;
}
.hd-stat {
  display: flex; gap: 8px; align-items: center;
  font-size: 11px;
}
.hd-stat .dim { color: var(--ink-faint); }

/* ============ PROBLEM STATS ============ */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .problem-grid { grid-template-columns: 1fr; } }
.stat-card {
  padding: 40px 32px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.stat-card .fig {
  font-family: var(--font-display);
  font-size: clamp(56px, 8vw, 96px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-variation-settings: "opsz" 144;
  margin: 0;
}
.stat-card .fig .u {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--ink-muted);
  margin-left: 8px;
  font-weight: 400;
  vertical-align: middle;
  letter-spacing: 0;
}
.stat-card .fig.alt {
  font-style: italic;
  color: var(--kin);
  font-size: clamp(32px, 4vw, 48px);
}
.stat-card h3 {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  margin: 20px 0 10px;
}
.stat-card p {
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
}

/* ============ HOW IT WORKS HORIZONTAL SCROLL ============ */
.flow-sec {
  position: relative;
}
.flow-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.flow-head {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px 32px;
  width: 100%;
}
.flow-track {
  display: flex;
  gap: 24px;
  padding: 20px 32px 40px;
  will-change: transform;
  align-items: center;
}
.flow-node {
  flex: 0 0 auto;
  width: 280px;
  padding: 24px;
  position: relative;
}
.flow-node .idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.14em;
}
.flow-node .icn {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--tsuru);
  margin: 14px 0 18px;
}
.flow-node .icn.accent { color: var(--kin); border-color: rgba(201,162,39,0.3); background: rgba(201,162,39,0.08); }
.flow-node h3 {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--ink);
}
.flow-node p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-muted);
  margin: 0;
}
.flow-node .lat {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
}
.flow-node .lat b { color: var(--kin); font-weight: 500; }

.flow-connector {
  flex: 0 0 auto;
  width: 64px;
  height: 2px;
  position: relative;
  background: var(--surface-border);
  border-radius: 1px;
}
.flow-connector .dot {
  position: absolute;
  top: -3px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--kin);
  box-shadow: 0 0 10px rgba(201,162,39,0.8);
  left: var(--dot, 50%);
  transform: translateX(-50%);
  transition: left 300ms var(--ease-out);
}

.flow-progress {
  max-width: 1280px;
  margin: 24px auto 0;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.flow-progress .bar {
  flex: 1;
  height: 2px;
  background: var(--surface-border);
  border-radius: 1px;
  position: relative;
  overflow: hidden;
}
.flow-progress .bar .fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: var(--kin);
  width: var(--p, 0%);
  transition: width 150ms linear;
}
.flow-progress .hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
}

/* ============ SIDE-BY-SIDE COMPARISON ============ */
.sbs-toggle {
  display: inline-flex;
  padding: 4px;
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-full);
  margin-bottom: 32px;
}
.sbs-toggle button {
  background: transparent;
  border: 0;
  padding: 8px 18px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--ink-muted);
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: all 200ms var(--ease-out);
}
.sbs-toggle button.on {
  background: var(--ai);
  color: var(--ink);
}
.sbs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 900px) { .sbs-grid { grid-template-columns: 1fr; } }
.sbs-panel {
  padding: 0;
  overflow: hidden;
}
.sbs-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(138, 168, 192, 0.09);
  background: rgba(13, 27, 42, 0.35);
}
.sbs-head .label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 8px;
}
.sbs-head .label .d {
  width: 6px; height: 6px; border-radius: 50%; background: var(--tsuru);
}
.sbs-head.redact .label .d { background: var(--kin); }
.sbs-head .meta { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); }
.sbs-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink);
  min-height: 320px;
  white-space: pre-wrap;
}
.sbs-body .tag { margin: 0 1px; vertical-align: baseline; }
.sbs-foot {
  display: flex;
  justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid rgba(138, 168, 192, 0.09);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
}

/* ============ FEATURE GRID ============ */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 1000px) { .feat-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px) { .feat-grid { grid-template-columns: 1fr; } }
.feat-card {
  padding: 28px;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 200ms var(--ease-out), transform 250ms var(--ease-out);
}
.feat-card:hover { border-color: rgba(74, 141, 181, 0.35); }
.feat-card .ficn {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
}
.feat-card h3 {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}
.feat-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-muted);
  margin: 0;
  flex: 1;
}
.feat-card .viz {
  margin-top: 14px;
  padding: 14px;
  background: rgba(13, 27, 42, 0.5);
  border: 1px solid var(--surface-border);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  min-height: 66px;
}

/* Feature viz: vendor logos */
.vendor-marquee {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.vendor-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}
.vendor-chip .sw { width: 8px; height: 8px; border-radius: 2px; background: var(--tsuru); }
.vendor-chip.anthropic .sw { background: #c07a50; }
.vendor-chip.openai .sw { background: #10a37f; }
.vendor-chip.mistral .sw { background: #f97316; }
.vendor-chip.google .sw { background: #4285f4; }
.vendor-chip.azure .sw { background: #0078d4; }
.vendor-chip.bedrock .sw { background: #ff9900; }

/* Perimeter diagram */
.perimeter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-muted);
  padding-top: 8px;
}
.perimeter .box {
  padding: 4px 8px;
  border: 1px dashed var(--surface-border);
  border-radius: 4px;
}
.perimeter .box.in { border-color: var(--kin); color: var(--kin); }
.perimeter .arr { color: var(--ink-faint); }

/* Audit scroll */
.audit-mini {
  height: 66px;
  overflow: hidden;
  position: relative;
}
.audit-mini .stream {
  animation: scrollStream 14s linear infinite;
}
.audit-mini .row { display: flex; gap: 10px; padding: 2px 0; font-size: 10.5px; }
.audit-mini .row .t { color: var(--ink-faint); }
.audit-mini .row .e { color: var(--ink); }
.audit-mini .row .n { color: var(--kin); }
@keyframes scrollStream {
  from { transform: translateY(0); }
  to { transform: translateY(-50%); }
}

/* ============ COMPLIANCE BAND ============ */
.compliance {
  padding: 100px 0;
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
  background: rgba(13, 27, 42, 0.4);
}
.comp-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px 72px;
  margin-bottom: 28px;
}
.comp-mark {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink-muted);
  letter-spacing: -0.01em;
  font-variation-settings: "opsz" 48;
  opacity: 0.55;
  transition: opacity 200ms var(--ease-out), color 200ms;
}
.comp-mark:hover { opacity: 1; color: var(--ink); }
.comp-mark .note {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
  margin-left: 6px;
  text-transform: uppercase;
  font-weight: 500;
  vertical-align: middle;
}
.comp-tag {
  text-align: center;
  font-size: 14px;
  color: var(--ink-muted);
  margin: 0;
}

/* ============ USE CASES ============ */
.uc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .uc-grid { grid-template-columns: 1fr; } }
.uc-card {
  padding: 32px;
  min-height: 220px;
  transition: border-color 200ms, transform 200ms var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.uc-card:hover { border-color: rgba(74, 141, 181, 0.35); }
.uc-card .kind {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.uc-card h3 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 4px 0 12px;
  font-variation-settings: "opsz" 48;
}
.uc-card p {
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 16px;
  flex: 1;
}
.uc-card .samples {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ============ CLOSING CTA ============ */
.close-cta {
  text-align: center;
  padding: 180px 0;
  position: relative;
}
.close-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 800px 400px at 50% 50%, rgba(201,162,39,0.1), transparent 60%);
  pointer-events: none;
}
.close-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(56px, 9vw, 128px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  font-variation-settings: "opsz" 144;
  margin: 0 0 32px;
  text-wrap: balance;
}
.close-cta h2 .accent { color: var(--kin); font-style: italic; }
.close-cta .sub {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 24px;
}

/* ============ Mobile hero demo frame collapse ============ */
@media (max-width: 1080px) {
  .hero-demo { max-width: 640px; margin: 0 auto; }
}