/* ============================================================
   components.css — Cards, badges, code blocks, nav, footer, cipher panel
   ============================================================ */

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: 0;  /* Sharp corners — design rule */
  transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn--primary {
  background-color: var(--signal);
  color: var(--bg);
  border-color: var(--signal);
}

.btn--primary:hover {
  background-color: #00cc6b;
  border-color: #00cc6b;
}

.btn--secondary {
  background-color: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn--secondary:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

/* ============================================================
   Badge / Pill
   ============================================================ */

.pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 5px 10px;
  border-radius: 0;  /* Sharp corners */
}

.pill--signal {
  color: var(--signal);
  border-color: rgba(0, 232, 122, 0.3);
  background-color: var(--signal-dim);
}

/* ============================================================
   Feature Card
   ============================================================ */

.feature-card {
  padding: var(--sp-4);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-left: 3px solid transparent;
  transition: border-left-color var(--t-fast), background-color var(--t-fast);
  position: relative;
}

.feature-card:hover {
  border-left-color: var(--signal);
  background-color: rgba(17, 19, 24, 0.6);
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: var(--sp-2);
}

.feature-card__body {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.65;
}

/* ============================================================
   Docs Card (docs.html)
   ============================================================ */

.docs-card {
  padding: var(--sp-4);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-left: 3px solid transparent;
  transition: border-left-color var(--t-fast);
}

.docs-card:hover {
  border-left-color: var(--signal);
}

.docs-card__title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: var(--sp-1);
}

.docs-card__body {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: var(--sp-3);
}

.docs-card__links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.docs-card__links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  transition: color var(--t-fast);
}

.docs-card__links a::before {
  content: '→ ';
  color: var(--signal);
}

.docs-card__links a:hover {
  color: var(--text);
}

/* ============================================================
   Code Block
   ============================================================ */

.code-block {
  background-color: var(--bg);
  border: 1px solid var(--border);
  overflow: auto;
}

.code-block__header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 10px var(--sp-2);
  border-bottom: 1px solid var(--border);
  background-color: var(--surface);
}

.code-block__label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.code-block__dot {
  width: 6px;
  height: 6px;
  background-color: var(--border);
  border-radius: 50%;
}

.code-block pre,
.code-block code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  padding: var(--sp-3);
  display: block;
  white-space: pre;
  color: var(--text);
}

/* Key-value syntax coloring */
.code-key   { color: var(--text-dim); }
.code-value { color: var(--text); }
.code-ok    { color: var(--signal); font-weight: 500; }
.code-dim   { color: var(--text-dim); }
.code-rule  { color: var(--border); }

/* ============================================================
   Cipher Panel (hero right column)
   ============================================================ */

.cipher-panel {
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: var(--sp-3);
  width: 100%;
  position: relative;
  overflow: hidden;
}

.cipher-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-2);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--border);
}

.cipher-panel__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.cipher-panel__status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--signal);
}

.cipher-panel__status-dot {
  width: 5px;
  height: 5px;
  background-color: var(--signal);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

#cipher-output {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text);
  white-space: pre;
  min-height: 220px;
  display: block;
  overflow: hidden;
}

/* Static fallback (no-JS) */
.cipher-static {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text);
  white-space: pre;
}

.cipher-key    { color: var(--text-dim); }
.cipher-value  { color: var(--text); }
.cipher-signal { color: var(--signal); }

/* Blinking cursor */
.cipher-cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background-color: var(--signal);
  vertical-align: middle;
  animation: blink-cursor 1s step-end infinite;
}

@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ============================================================
   Step (How It Works)
   ============================================================ */

.step {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.step__number {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 4px;
}

.step__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.step__body {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.65;
}

/* ============================================================
   Inline link
   ============================================================ */

.link-arrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal);
  transition: opacity var(--t-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.link-arrow::after {
  content: '→';
}

.link-arrow:hover {
  opacity: 0.75;
}

/* ============================================================
   Security gate pipeline visual
   ============================================================ */

.gate-pipeline {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border);
  overflow: hidden;
}

.gate-stage {
  flex: 1;
  padding: var(--sp-3);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.gate-stage:last-child {
  border-right: none;
}

.gate-stage__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.gate-stage__name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.gate-stage__result {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--signal);
  letter-spacing: 0.04em;
  margin-top: auto;
  padding-top: var(--sp-2);
}

.gate-stage__result--fail {
  color: #FF4444;
}

/* ============================================================
   Security section card
   ============================================================ */

.sec-section {
  padding: var(--sp-6) 0;
  border-top: 1px solid var(--border);
}

.sec-section:first-child {
  border-top: none;
}

.sec-section__header {
  margin-bottom: var(--sp-4);
}

.sec-section__heading {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--sp-2);
}

.sec-section__body {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 680px;
}

.sec-section__body + .sec-section__body {
  margin-top: var(--sp-2);
}

/* ============================================================
   Bullet list (security page)
   ============================================================ */

.bullet-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.bullet-list li {
  display: flex;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

.bullet-list li::before {
  content: '—';
  color: var(--signal);
  flex-shrink: 0;
}

/* ============================================================
   Capability flag table
   ============================================================ */

.flag-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 13px;
}

.flag-row:last-child {
  border-bottom: none;
}

.flag-row__name {
  color: var(--text-dim);
  min-width: 200px;
}

.flag-row__value {
  color: var(--signal);
}

/* ============================================================
   Boot sequence tree
   ============================================================ */

.boot-tree {
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: var(--sp-3) var(--sp-4);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--text);
  white-space: pre;
  overflow-x: auto;
}

.boot-tree .tree-branch {
  color: var(--signal);
}

.boot-tree .tree-comment {
  color: var(--text-dim);
}

/* ============================================================
   Page entrance fade (handled by reveal.js)
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  .site-wrapper {
    opacity: 1;
    transition: none;
  }

  .cipher-panel__status-dot {
    animation: none;
  }

  .cipher-cursor {
    animation: none;
  }
}