/* sections.css — T04: Horizon 2036 · Signal Flags · X.R.A.Y. Live Board */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
/* Governing: LD-309 · SPRINT-CJ-RELAUNCH-T04 */
/* Mobile-first 375px; tokens from main stylesheet */

/* ─── Shared tokens (fallbacks if vars not loaded) ─── */
:root {
  --horizon-track-height: 4px;
  --flag-ratio: calc(100 / 80);
}

/* ─── SECTION A: HORIZON 2036 ─── */
#horizon {
  padding: 6rem 0;
  background: var(--void-1, #080810);
  border-top: 1px solid var(--border, rgba(201,168,76,0.15));
  overflow: hidden;
}

.horizon-header {
  text-align: center;
  margin-bottom: 3rem;
}

.horizon-title {
  font-family: var(--font-display, 'Inter', sans-serif);
  font-size: clamp(1.6rem, 4vw, 3.2rem);
  font-weight: 300;
  color: var(--text-primary, #f5f3ee);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.horizon-title .gold {
  color: var(--gold, #C9A84C);
}

/* Timeline slider track */
.horizon-timeline-wrap {
  position: relative;
  padding: 2rem 0 1rem;
  margin-bottom: 2.5rem;
}

.horizon-track-bg {
  position: relative;
  height: var(--horizon-track-height);
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  margin: 0 0.5rem;
}

.horizon-track-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(201,168,76,0.4), #C9A84C);
  border-radius: 2px;
  transition: width 0.15s;
  pointer-events: none;
}

.horizon-ticks {
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  pointer-events: none;
}

.horizon-tick {
  position: absolute;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.horizon-tick-mark {
  width: 2px;
  height: 10px;
  background: rgba(201,168,76,0.5);
  border-radius: 1px;
}

.horizon-tick.is-vision .horizon-tick-mark {
  background: rgba(74,168,232,0.6);
  height: 14px;
}

.horizon-tick-year {
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.5rem;
  color: var(--text-muted, rgba(245,243,238,0.4));
  letter-spacing: 0.05em;
  margin-top: 2px;
}

/* The range input (styled as signal line) */
.horizon-range-wrap {
  position: relative;
  margin-top: 1.5rem;
}

.horizon-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: var(--horizon-track-height);
  background: transparent;
  outline: none;
  cursor: pointer;
  position: relative;
  z-index: 2;
}

.horizon-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gold, #C9A84C);
  border: 3px solid var(--void-1, #080810);
  box-shadow: 0 0 0 2px var(--gold, #C9A84C), 0 0 16px rgba(201,168,76,0.4);
  transition: box-shadow 0.2s;
}

.horizon-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gold, #C9A84C);
  border: 3px solid var(--void-1, #080810);
  box-shadow: 0 0 0 2px var(--gold, #C9A84C), 0 0 16px rgba(201,168,76,0.4);
  cursor: pointer;
}

.horizon-range:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px var(--void-1, #080810), 0 0 0 5px var(--gold, #C9A84C), 0 0 20px rgba(201,168,76,0.5);
}

.horizon-range:focus-visible::-moz-range-thumb {
  box-shadow: 0 0 0 3px var(--void-1, #080810), 0 0 0 5px var(--gold, #C9A84C), 0 0 20px rgba(201,168,76,0.5);
}

/* Year labels */
.horizon-years {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.52rem;
  color: var(--text-muted, rgba(245,243,238,0.4));
  letter-spacing: 0.1em;
}

/* Today marker */
.horizon-today-label {
  position: absolute;
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.5rem;
  letter-spacing: 0.12em;
  color: var(--gold, #C9A84C);
  text-transform: uppercase;
  top: -1.5rem;
  transform: translateX(-50%);
  white-space: nowrap;
  pointer-events: none;
}

/* Event card */
.horizon-card-wrap {
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.5rem;
}

.horizon-card {
  width: 100%;
  max-width: 680px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 4px;
  padding: 2rem 1.5rem;
  opacity: 1;
  transition: opacity 0.2s;
}

.horizon-card.fading {
  opacity: 0;
}

.horizon-card.is-vision {
  border-color: rgba(74,168,232,0.3);
  background: rgba(74,168,232,0.03);
}

.horizon-card-eyebrow {
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.52rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted, rgba(245,243,238,0.4));
  margin-bottom: 0.75rem;
}

.horizon-card.is-vision .horizon-card-eyebrow {
  color: rgba(74,168,232,0.7);
}

.horizon-card-year {
  font-family: var(--font-display, 'Inter', sans-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 200;
  color: var(--gold, #C9A84C);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.horizon-card.is-vision .horizon-card-year {
  color: #70D5FF;
}

.horizon-card-label {
  font-family: var(--font-display, 'Inter', sans-serif);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 400;
  color: var(--text-primary, #f5f3ee);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.horizon-card-detail {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.9rem;
  color: rgba(245,243,238,0.75);
  line-height: 1.7;
}

.horizon-card-empty {
  text-align: center;
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.6rem;
  color: var(--text-muted, rgba(245,243,238,0.3));
  letter-spacing: 0.15em;
}

/* Definition terms */
.horizon-definitions {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.horizon-definitions dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 760px;
  margin: 0 auto;
}

@media (min-width: 600px) {
  .horizon-definitions dl {
    grid-template-columns: 1fr 1fr;
  }
}

.horizon-definitions dt {
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold, #C9A84C);
  margin-bottom: 0.35rem;
}

.horizon-definitions dd {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.85rem;
  color: rgba(245,243,238,0.65);
  line-height: 1.6;
  margin: 0;
}

/* Horizon Ask (flag-gated) */
.horizon-ask-section {
  margin-top: 2.5rem;
  text-align: center;
}

.horizon-ask-pending {
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted, rgba(245,243,238,0.35));
}

.horizon-ask-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
  align-items: stretch;
}

@media (min-width: 480px) {
  .horizon-ask-form {
    flex-direction: row;
    align-items: flex-start;
  }
}

.horizon-ask-input {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 2px;
  padding: 0.6rem 0.875rem;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.875rem;
  color: var(--text-primary, #f5f3ee);
  outline: none;
  transition: border-color 0.2s;
}

.horizon-ask-input::placeholder {
  color: rgba(245,243,238,0.3);
}

.horizon-ask-input:focus-visible {
  border-color: rgba(201,168,76,0.6);
  box-shadow: 0 0 0 2px rgba(201,168,76,0.15);
}

.horizon-ask-btn {
  background: transparent;
  border: 1px solid rgba(201,168,76,0.5);
  color: var(--gold, #C9A84C);
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.2s;
  white-space: nowrap;
}

.horizon-ask-btn:hover,
.horizon-ask-btn:focus-visible {
  background: rgba(201,168,76,0.1);
  outline: 2px solid var(--gold, #C9A84C);
  outline-offset: 2px;
}

.horizon-ask-answer {
  margin-top: 1.25rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  padding: 1rem 1.25rem;
  background: rgba(255,255,255,0.03);
  border-left: 2px solid rgba(201,168,76,0.4);
  border-radius: 0 2px 2px 0;
  text-align: left;
}

.horizon-ask-answer-eyebrow {
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #C9A84C;
  margin-bottom: 0.5rem;
}

.horizon-ask-answer-text {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.875rem;
  color: rgba(245,243,238,0.75);
  line-height: 1.65;
}

/* ─── SECTION B: SIGNAL FLAGS ─── */
#signal {
  padding: 6rem 0;
  background: var(--void-2, #0a0a15);
  border-top: 1px solid var(--border, rgba(201,168,76,0.15));
  overflow: hidden;
}

.signal-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.signal-title {
  font-family: var(--font-display, 'Inter', sans-serif);
  font-size: clamp(1.6rem, 4vw, 3.2rem);
  font-weight: 300;
  color: var(--text-primary, #f5f3ee);
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

.signal-sub {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.95rem;
  color: rgba(245,243,238,0.70);
  line-height: 1.6;
}

/* Halyard */
.signal-hoist-wrap {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.signal-halyard {
  width: 2px;
  background: rgba(201,168,76,0.2);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  pointer-events: none;
}

/* Flag row */
.signal-flags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  min-height: 100px;
  padding: 0.5rem 0 1rem;
  position: relative;
}

.signal-flag-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  opacity: 0;
  transform: translateY(40px);
}

.signal-flag-item.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s, transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  .signal-flag-item {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.signal-flag-item svg {
  width: 60px;
  height: 48px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 1px;
  display: block;
}

.signal-flag-phonetic {
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.42rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245,243,238,0.4);
  text-align: center;
}

.signal-gap {
  width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(201,168,76,0.25);
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.5rem;
}

/* Phonetic readout */
.signal-phonetic-readout {
  text-align: center;
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: clamp(0.55rem, 1.5vw, 0.72rem);
  letter-spacing: 0.22em;
  color: #C9A84C;
  text-transform: uppercase;
  min-height: 1.5rem;
  margin-bottom: 2rem;
  word-break: break-word;
}

/* Input + controls */
.signal-controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  max-width: 480px;
  margin: 0 auto;
}

@media (min-width: 520px) {
  .signal-controls {
    flex-direction: row;
    align-items: flex-start;
  }
}

.signal-input {
  flex: 1;
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 2px;
  padding: 0.6rem 0.875rem;
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary, #f5f3ee);
  outline: none;
}

.signal-input::placeholder {
  color: rgba(245,243,238,0.25);
  text-transform: none;
  letter-spacing: 0;
}

.signal-input:focus-visible {
  border-color: rgba(201,168,76,0.6);
  box-shadow: 0 0 0 2px rgba(201,168,76,0.15);
}

.signal-copy-btn {
  background: transparent;
  border: 1px solid rgba(201,168,76,0.5);
  color: var(--gold, #C9A84C);
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.2s;
  white-space: nowrap;
}

.signal-copy-btn:hover,
.signal-copy-btn:focus-visible {
  background: rgba(201,168,76,0.1);
  outline: 2px solid var(--gold, #C9A84C);
  outline-offset: 2px;
}

/* Hidden canvas for PNG export */
.signal-export-canvas {
  display: none;
}

/* ─── SECTION C: X.R.A.Y. LIVE BOARD ─── */
#live {
  padding: 6rem 0;
  background: var(--void-1, #080810);
  border-top: 1px solid var(--border, rgba(201,168,76,0.15));
}

.live-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.live-title {
  font-family: var(--font-display, 'Inter', sans-serif);
  font-size: clamp(1.6rem, 4vw, 3.2rem);
  font-weight: 300;
  color: var(--text-primary, #f5f3ee);
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

.live-meta {
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245,243,238,0.4);
  margin-top: 0.5rem;
}

.live-meta-count {
  color: var(--gold, #C9A84C);
}

/* Grid of domain tiles */
.live-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 4px;
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto 1.5rem;
}

@media (min-width: 480px) {
  .live-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .live-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.live-tile {
  background: rgba(255,255,255,0.02);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.live-tile-domain {
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.68rem;
  color: rgba(245,243,238,0.7);
  letter-spacing: 0.06em;
  word-break: break-all;
}

.live-tile-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.5rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.live-tile-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.live-tile-dot.ok {
  background: #2ECC71;
}

.live-tile-dot.fail {
  background: #FF9080;
}

.live-tile-status.ok {
  color: #2ECC71;
}

.live-tile-status.fail {
  color: #FF9080;
}

.live-tile-ms {
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.46rem;
  color: rgba(245,243,238,0.3);
  letter-spacing: 0.08em;
}

/* Staleness banner */
.live-stale-banner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  background: rgba(255,144,128,0.06);
  border: 1px solid rgba(255,144,128,0.25);
  border-radius: 2px;
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.55rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #FF9080;
  text-align: center;
  margin-bottom: 1rem;
}

.live-pending-msg {
  text-align: center;
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted, rgba(245,243,238,0.35));
}

.live-checked-at {
  text-align: center;
  font-family: var(--font-mono, 'Azeret Mono', monospace);
  font-size: 0.5rem;
  letter-spacing: 0.12em;
  color: rgba(245,243,238,0.3);
  margin-top: 0.5rem;
}

/* skip-link — T12 WCAG 2.2 AA */
.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
  background: #141420; color: #C9A84C; font-family: 'Azeret Mono', monospace; font-size: 0.75rem;
  padding: 0.5rem 1rem; z-index: 9999; text-decoration: none;
}
.skip-link:focus {
  position: fixed; left: 1rem; top: 1rem; width: auto; height: auto; overflow: visible;
}