.bytecare-demo {
  --bd-primary: #18b7d1;
  --bd-primary-dark: #0d879c;
  --bd-ink: #1e3443;
  --bd-muted: #61788d;
  --bd-soft: #f4f9fb;
  --bd-line: rgba(30, 52, 67, 0.14);
  --bd-success: #137a5d;
  --bd-warning: #a86f16;
  --bd-danger: #ae4646;
  color: var(--bd-ink);
}

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

.bytecare-demo .bd-container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.bytecare-demo .bd-hero {
  padding: clamp(58px, 8vw, 96px) 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(24,183,209,0.18), transparent 32%),
    linear-gradient(145deg, #f7fbfc 0%, #eef8fa 100%);
}

.bytecare-demo .bd-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.72fr);
  gap: clamp(36px, 6vw, 72px);
  align-items: center;
}

.bytecare-demo .bd-kicker {
  margin: 0 0 12px;
  color: var(--bd-primary-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.bytecare-demo h1,
.bytecare-demo h2,
.bytecare-demo h3 { color: var(--bd-ink); line-height: 1.15; }

.bytecare-demo h1 {
  max-width: 790px;
  margin: 0;
  font-size: clamp(40px, 5.5vw, 66px);
}

.bytecare-demo .bd-lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--bd-muted);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.65;
}

.bytecare-demo .bd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.bytecare-demo .bd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 49px;
  padding: 12px 21px;
  color: #fff;
  background: var(--bd-primary-dark);
  border: 2px solid var(--bd-primary-dark);
  border-radius: 10px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.bytecare-demo .bd-btn:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(13,135,156,.22);
}

.bytecare-demo .bd-btn:disabled {
  opacity: .58;
  cursor: wait;
  transform: none;
  box-shadow: none;
}

.bytecare-demo .bd-btn-secondary {
  color: var(--bd-primary-dark);
  background: transparent;
}

.bytecare-demo .bd-btn-secondary:hover {
  color: var(--bd-primary-dark);
  background: rgba(24,183,209,.08);
}

.bytecare-demo .bd-btn-danger {
  color: var(--bd-danger);
  background: #fff;
  border-color: rgba(174,70,70,.55);
}

.bytecare-demo .bd-btn-danger:hover {
  color: #fff;
  background: var(--bd-danger);
  border-color: var(--bd-danger);
  box-shadow: 0 10px 24px rgba(174,70,70,.2);
}

.bytecare-demo .bd-reset {
  min-height: 45px;
  padding: 10px 4px;
  color: var(--bd-muted);
  background: transparent;
  border: 0;
  font: inherit;
  font-weight: 750;
  text-decoration: underline;
  cursor: pointer;
}

.bytecare-demo .bd-analogy {
  padding: clamp(27px, 3.2vw, 38px);
  background: rgba(255,255,255,.9);
  border: 2px solid rgba(24,183,209,.38);
  border-radius: 22px;
  box-shadow: 0 22px 54px rgba(30,52,67,.12);
}

.bytecare-demo .bd-analogy h2 { margin: 0 0 20px; font-size: 26px; }

.bytecare-demo .bd-vaults {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.bytecare-demo .bd-vault {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  min-height: 106px;
  border-radius: 15px;
}

.bytecare-demo .bd-vault span { font-size: 27px; font-weight: 900; }
.bytecare-demo .bd-vault small { margin-top: 4px; font-weight: 750; }

.bytecare-demo .bd-vault-closed {
  color: var(--bd-success);
  background: #eaf8f2;
  border: 1px solid rgba(19,122,93,.18);
}

.bytecare-demo .bd-vault-open {
  color: var(--bd-warning);
  background: #fff6e5;
  border: 1px solid rgba(168,111,22,.2);
}

.bytecare-demo .bd-analogy-note {
  margin: 20px 0 0;
  color: var(--bd-muted);
  font-size: 14px;
  line-height: 1.65;
}

.bytecare-demo .bd-block { padding: clamp(58px, 7vw, 88px) 0; }
.bytecare-demo .bd-block-alt { background: var(--bd-soft); }

.bytecare-demo .bd-heading {
  max-width: 800px;
  margin-bottom: 35px;
}

.bytecare-demo .bd-heading h2 {
  margin: 0 0 13px;
  font-size: clamp(30px, 4vw, 43px);
}

.bytecare-demo .bd-heading p {
  color: var(--bd-muted);
  line-height: 1.75;
}

.bytecare-demo .bd-definition-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.bytecare-demo .bd-definition,
.bytecare-demo .bd-real-card {
  padding: 25px;
  background: #fff;
  border: 1px solid var(--bd-line);
  border-radius: 17px;
  box-shadow: 0 14px 36px rgba(30,52,67,.06);
}

.bytecare-demo .bd-definition > span,
.bytecare-demo .bd-real-card > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 17px;
  color: var(--bd-primary-dark);
  background: rgba(24,183,209,.11);
  border-radius: 11px;
  font-size: 13px;
  font-weight: 900;
}

.bytecare-demo .bd-definition h3,
.bytecare-demo .bd-real-card h3 { margin: 0 0 8px; font-size: 20px; }

.bytecare-demo .bd-definition p,
.bytecare-demo .bd-real-card p {
  margin: 0;
  color: var(--bd-muted);
  font-size: 15px;
  line-height: 1.65;
}

.bytecare-demo .bd-simulator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, .7fr);
  gap: 24px;
  align-items: start;
}

.bytecare-demo .bd-panel {
  padding: clamp(25px, 3vw, 34px);
  background: #fff;
  border: 1px solid var(--bd-line);
  border-radius: 20px;
  box-shadow: 0 16px 44px rgba(30,52,67,.07);
}

.bytecare-demo .bd-status-row,
.bytecare-demo .bd-health,
.bytecare-demo .bd-live-pills,
.bytecare-demo .bd-progress-label,
.bytecare-demo .bd-disk-head,
.bytecare-demo .bd-log-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.bytecare-demo .bd-health { justify-content: flex-start; }

.bytecare-demo .bd-health-dot {
  width: 13px;
  height: 13px;
  flex: 0 0 13px;
  background: #82919e;
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(130,145,158,.12);
}

.bytecare-demo .bd-health-dot.is-ok { background: var(--bd-success); box-shadow: 0 0 0 5px rgba(19,122,93,.12); }
.bytecare-demo .bd-health-dot.is-warn { background: var(--bd-warning); box-shadow: 0 0 0 5px rgba(168,111,22,.12); }
.bytecare-demo .bd-health-dot.is-danger { background: var(--bd-danger); box-shadow: 0 0 0 5px rgba(174,70,70,.12); }

.bytecare-demo .bd-health small { display: block; color: #82919e; font-size: 11px; text-transform: uppercase; }
.bytecare-demo .bd-health strong { display: block; margin-top: 2px; }

.bytecare-demo .bd-live-pills { justify-content: flex-end; flex-wrap: wrap; }

.bytecare-demo .bd-live-pill {
  padding: 7px 10px;
  color: var(--bd-muted);
  background: var(--bd-soft);
  border: 1px solid var(--bd-line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.bytecare-demo .bd-progress-wrap { margin-top: 27px; }
.bytecare-demo .bd-progress-label { color: var(--bd-muted); font-size: 13px; }

.bytecare-demo .bd-progress {
  height: 11px;
  overflow: hidden;
  margin-top: 9px;
  background: #e7eef1;
  border-radius: 999px;
}

.bytecare-demo .bd-progress > div {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--bd-primary), var(--bd-primary-dark));
  border-radius: inherit;
  transition: width .35s ease;
}

.bytecare-demo .bd-disk-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
  margin-top: 25px;
}

.bytecare-demo .bd-disk {
  padding: 18px;
  background: var(--bd-soft);
  border: 1px solid var(--bd-line);
  border-radius: 14px;
}

.bytecare-demo .bd-disk small { display: block; margin-top: 18px; color: #82919e; }
.bytecare-demo .bd-disk-date { margin-top: 4px; color: var(--bd-ink); font-size: 13px; font-weight: 750; }

.bytecare-demo .tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .04em;
}

.bytecare-demo .tag.ok { color: var(--bd-success); background: #e5f6ef; }
.bytecare-demo .tag.warn { color: var(--bd-warning); background: #fff2d9; }
.bytecare-demo .tag.danger { color: var(--bd-danger); background: #ffeded; }
.bytecare-demo .tag.info { color: var(--bd-primary-dark); background: rgba(24,183,209,.11); }
.bytecare-demo .tag.neutral { color: #6e7f8c; background: #e9eef1; }

.bytecare-demo .bd-summary {
  margin-top: 16px;
  overflow: hidden;
  border: 1px solid var(--bd-line);
  border-radius: 14px;
}

.bytecare-demo .bd-summary-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) auto;
  gap: 13px;
  align-items: center;
  padding: 14px 16px;
}

.bytecare-demo .bd-summary-row + .bd-summary-row { border-top: 1px solid var(--bd-line); }
.bytecare-demo .bd-summary-row > span:first-child { color: #82919e; font-size: 13px; }
.bytecare-demo .bd-summary-row strong { font-size: 14px; }

.bytecare-demo .bd-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.bytecare-demo .bd-explainer { display: grid; gap: 20px; }
.bytecare-demo .bd-explainer h3 { margin: 0 0 11px; font-size: 24px; }
.bytecare-demo .bd-explain-text { color: var(--bd-muted); line-height: 1.75; }

.bytecare-demo .bd-lesson {
  margin-top: 22px;
  padding: 17px 18px;
  background: rgba(24,183,209,.09);
  border-left: 4px solid var(--bd-primary);
  border-radius: 9px;
}

.bytecare-demo .bd-lesson strong { color: var(--bd-ink); }
.bytecare-demo .bd-lesson p { margin: 6px 0 0; color: var(--bd-muted); line-height: 1.65; }

.bytecare-demo .bd-log-title h3 { margin: 0; font-size: 20px; }

.bytecare-demo .bd-log {
  min-height: 190px;
  max-height: 280px;
  overflow: auto;
  margin-top: 18px;
  padding: 16px;
  color: #dce9ed;
  background: #193441;
  border-radius: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.bytecare-demo .bd-limit {
  margin-top: 25px;
  padding: 21px 24px;
  color: var(--bd-muted);
  background: #fff;
  border-left: 4px solid var(--bd-warning);
  border-radius: 8px;
  line-height: 1.7;
}

.bytecare-demo .bd-limit strong { color: var(--bd-ink); }

.bytecare-demo .bd-real-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.bytecare-demo .bd-final {
  padding: clamp(42px, 6vw, 66px);
  color: #fff;
  background: linear-gradient(135deg, #183342, #0f5665);
  border-radius: 24px;
  text-align: center;
}

.bytecare-demo .bd-final h2 {
  margin: 0 0 14px;
  color: #fff;
  font-size: clamp(30px, 4vw, 43px);
}

.bytecare-demo .bd-final p {
  max-width: 760px;
  margin: 0 auto;
  color: rgba(255,255,255,.82);
  line-height: 1.7;
}

.bytecare-demo .bd-final .bd-actions { justify-content: center; }
.bytecare-demo .bd-final .bd-btn { color: #102e39; background: var(--bd-primary); border-color: var(--bd-primary); }
.bytecare-demo .bd-final .bd-btn-secondary { color: #fff; background: transparent; border-color: rgba(255,255,255,.62); }
.bytecare-demo .bd-final .bd-btn-secondary:hover { color: #fff; background: rgba(255,255,255,.08); }

@media (max-width: 1020px) {
  .bytecare-demo .bd-hero-grid,
  .bytecare-demo .bd-simulator-grid { grid-template-columns: 1fr; }
  .bytecare-demo .bd-analogy { max-width: 700px; }
  .bytecare-demo .bd-definition-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .bytecare-demo .bd-container { width: min(100% - 28px, 1160px); }
  .bytecare-demo .bd-disk-grid,
  .bytecare-demo .bd-real-grid { grid-template-columns: 1fr; }
  .bytecare-demo .bd-status-row { align-items: flex-start; flex-direction: column; }
  .bytecare-demo .bd-summary-row { grid-template-columns: 1fr auto; }
  .bytecare-demo .bd-summary-row > span:first-child { grid-column: 1 / -1; }
  .bytecare-demo .bd-actions { flex-direction: column; }
  .bytecare-demo .bd-actions .bd-btn { width: 100%; }
}

@media (max-width: 520px) {
  .bytecare-demo .bd-definition-grid,
  .bytecare-demo .bd-vaults { grid-template-columns: 1fr; }
  .bytecare-demo .bd-controls { flex-direction: column; }
  .bytecare-demo .bd-controls .bd-btn,
  .bytecare-demo .bd-reset { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .bytecare-demo *,
  .bytecare-demo *::before,
  .bytecare-demo *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}