/* ============================================
   Army × Orchestra — CHAMBER Pilot Working Session
   Design system
   ============================================ */

:root {
  --bg: #0A0F1E;
  --bg-elev: #0F1526;
  --bg-panel: #121A2E;
  --bg-panel-hi: #16203A;
  --border: rgba(212, 160, 23, 0.14);
  --border-hi: rgba(212, 160, 23, 0.32);
  --border-soft: rgba(232, 236, 244, 0.08);
  --gold: #D4A017;
  --gold-hi: #E8B833;
  --gold-dim: rgba(212, 160, 23, 0.7);
  --text: #E8ECF4;
  --text-mute: #8892A6;
  --text-dim: #5D6779;
  --danger: #E06060;
  --ok: #6FCF97;
  --shadow-lg: 0 30px 60px -20px rgba(0, 0, 0, 0.55);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle grid backdrop */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(212, 160, 23, 0.05), transparent 40%),
    radial-gradient(circle at 80% 90%, rgba(212, 160, 23, 0.03), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

.mono { font-family: var(--font-mono); font-weight: 500; letter-spacing: 0.04em; }
.gold { color: var(--gold); }
.gold-quote { color: var(--gold); font-style: italic; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

/* ============================================
   Progress bar
   ============================================ */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-hi) 100%);
  z-index: 1000;
  transition: width 0.08s linear;
  box-shadow: 0 0 12px rgba(212, 160, 23, 0.55);
}

/* ============================================
   Login gate
   ============================================ */
.gate {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 999;
  display: grid;
  place-items: center;
  padding: 24px;
}

.gate[hidden] { display: none !important; }
.app[hidden] { display: none !important; }

.gate::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 30%, rgba(212, 160, 23, 0.06), transparent 40%),
    radial-gradient(circle at 70% 80%, rgba(212, 160, 23, 0.04), transparent 45%);
  pointer-events: none;
}

.gate-card {
  position: relative;
  width: 100%;
  max-width: 460px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 48px 40px;
  box-shadow: var(--shadow-lg);
  animation: gate-in 0.7s var(--ease);
}

@keyframes gate-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.gate-mark {
  font-size: 10px;
  color: var(--gold-dim);
  margin-bottom: 32px;
  letter-spacing: 0.2em;
}

.gate-mark-dot {
  margin: 0 10px;
  color: var(--text-dim);
}

.gate-title {
  font-size: 28px;
  font-weight: 400;
  line-height: 1.25;
  margin: 0 0 12px 0;
  letter-spacing: -0.01em;
}

.gate-title .gold {
  font-weight: 600;
  letter-spacing: -0.005em;
}

.gate-sub {
  font-size: 13px;
  color: var(--text-mute);
  margin: 0 0 36px 0;
  line-height: 1.5;
}

.gate-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.gate-label {
  font-size: 10px;
  color: var(--gold-dim);
  letter-spacing: 0.2em;
  margin-bottom: -6px;
}

.gate-input-wrap {
  position: relative;
}

.gate-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--text);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.gate-input-wrap .gate-input { padding-right: 46px; }

.gate-input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.12);
}

.gate-input::placeholder { color: var(--text-dim); }

.reveal-btn {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 6px;
  border-radius: 2px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s var(--ease);
}

.reveal-btn:hover { color: var(--gold); }
.reveal-btn:focus-visible {
  outline: none;
  color: var(--gold);
  box-shadow: 0 0 0 2px rgba(212, 160, 23, 0.35);
}

.gate-btn {
  width: 100%;
  background: var(--gold);
  color: #0A0F1E;
  border: none;
  border-radius: 2px;
  padding: 14px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s var(--ease), transform 0.1s var(--ease);
}

.gate-btn:hover { background: var(--gold-hi); }
.gate-btn:active { transform: translateY(1px); }

.gate-error {
  font-size: 12px;
  color: var(--danger);
  margin: 4px 0 0 0;
}

.gate-hint {
  font-size: 11px;
  color: var(--text-dim);
  margin: 8px 0 0 0;
  line-height: 1.5;
}

/* ============================================
   Reveal on scroll
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Site header
   ============================================ */
.app { position: relative; z-index: 1; }

.site-header {
  padding: 96px 0 40px 0;
  border-bottom: 1px solid var(--border-soft);
}

.badge {
  display: inline-block;
  font-size: 10px;
  color: var(--gold-dim);
  letter-spacing: 0.24em;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 2px;
  margin-bottom: 28px;
}

.site-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 20px 0;
}

.cross {
  color: var(--gold);
  font-weight: 300;
  margin: 0 0.15em;
}

.site-title-sub {
  display: block;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 500;
  color: var(--text-mute);
  margin-top: 6px;
  letter-spacing: -0.01em;
}

.site-meta {
  font-size: 12px;
  color: var(--text-mute);
  letter-spacing: 0.2em;
  margin: 0;
  text-transform: uppercase;
}

/* ============================================
   Hero / Objective
   ============================================ */
.hero {
  padding: 60px 0 80px 0;
  border-bottom: 1px solid var(--border-soft);
}

.hero-eyebrow {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.28em;
  margin-bottom: 20px;
}

.hero-statement {
  font-size: clamp(28px, 4.4vw, 48px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 960px;
  color: var(--text);
}

/* ============================================
   Sections
   ============================================ */
.section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border-soft);
}

.section-head {
  margin-bottom: 40px;
}

.section-num {
  display: block;
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.28em;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text-mute);
  margin: 0;
}

.section-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

/* ============================================
   PDF export buttons
   ============================================ */
.pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s var(--ease), color 0.15s var(--ease),
              border-color 0.15s var(--ease), transform 0.1s var(--ease);
  white-space: nowrap;
}

.pdf-btn:active { transform: translateY(1px); }
.pdf-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.35);
}
.pdf-btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}
.pdf-btn svg {
  flex: 0 0 auto;
}

/* Primary — bright gold, dark text, prominent */
.pdf-btn-primary {
  background: var(--gold);
  color: #0A0F1E;
  border: 1px solid var(--gold);
  padding: 12px 20px;
  font-size: 14px;
  box-shadow: 0 4px 20px -6px rgba(212, 160, 23, 0.6);
}
.pdf-btn-primary:hover { background: var(--gold-hi); border-color: var(--gold-hi); }

/* Secondary — outlined, sits above the framework grid quietly */
.pdf-btn-secondary {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--border);
  padding: 8px 14px;
  font-size: 12px;
}
.pdf-btn-secondary:hover {
  background: rgba(212, 160, 23, 0.08);
  border-color: var(--gold);
  color: var(--gold-hi);
}

@media (max-width: 640px) {
  .section-head-row { gap: 16px; }
  .pdf-btn-label { display: none; }
  .pdf-btn { padding: 10px 12px; }
}

/* ============================================
   Agenda cards
   ============================================ */
.agenda-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.agenda-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  padding: 24px 28px;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}

.agenda-card:hover {
  border-color: var(--border);
  background: var(--bg-panel-hi);
  transform: translateY(-1px);
}

.agenda-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}

.agenda-num {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.15em;
}

.agenda-time {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.2em;
  padding: 3px 8px;
  border: 1px solid var(--border-soft);
  border-radius: 2px;
}

.agenda-title {
  font-size: 20px;
  font-weight: 500;
  margin: 0 0 10px 0;
  letter-spacing: -0.005em;
  color: var(--text);
}

.agenda-body {
  font-size: 15px;
  color: var(--text-mute);
  margin: 0;
  line-height: 1.65;
}

/* ============================================
   Framework grid
   ============================================ */
.framework-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.fw-box {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  padding: 26px 26px 20px 26px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s var(--ease);
  min-height: 260px;
}

.fw-box:focus-within,
.fw-box:hover {
  border-color: var(--border);
}

.fw-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 6px;
}

.fw-num {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.2em;
}

.fw-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.005em;
}

.fw-hint {
  font-size: 13px;
  color: var(--text-mute);
  margin: 0 0 16px 0;
  line-height: 1.5;
}

/* ============================================
   Editable areas
   ============================================ */
.editable {
  flex: 1;
  min-height: 100px;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  overflow-y: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.editable:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.1);
}

.editable:empty:before {
  content: attr(data-placeholder);
  color: var(--text-dim);
  pointer-events: none;
}

.save-meta {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.16em;
  margin-top: 10px;
  min-height: 14px;
  transition: color 0.3s var(--ease);
}

.save-meta.saving { color: var(--gold-dim); }
.save-meta.saved { color: var(--ok); }

/* ============================================
   Questions
   ============================================ */
.q-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.q-item {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  transition: border-color 0.3s var(--ease);
}

.q-item:focus-within,
.q-item:hover {
  border-color: var(--border);
}

.q-num {
  font-size: 14px;
  color: var(--gold);
  letter-spacing: 0.14em;
  padding-top: 4px;
}

.q-text {
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 12px 0;
  line-height: 1.45;
  letter-spacing: -0.005em;
}

.q-answer {
  min-height: 70px;
}

/* ============================================
   References
   ============================================ */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.ref-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ref-card:hover {
  border-color: var(--border);
  background: var(--bg-panel-hi);
  transform: translateY(-1px);
}

.ref-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gold);
  letter-spacing: 0.2em;
}

.ref-name {
  font-size: 15px;
  font-weight: 500;
  word-break: break-word;
  line-height: 1.35;
}

.ref-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  margin-top: auto;
}

.ref-empty {
  background: var(--bg-panel);
  border: 1px dashed var(--border-soft);
  border-radius: 2px;
  padding: 30px;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-align: center;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  padding: 60px 0 80px 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: none;
  margin-top: 40px;
}

.footer-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.2em;
}

.dot { color: var(--text-dim); }

.footer-warn { color: var(--gold-dim); }

.footer-signed {
  margin-top: 16px;
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.2em;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 780px) {
  .wrap { padding: 0 22px; }
  .site-header { padding: 60px 0 32px 0; }
  .hero { padding: 44px 0 60px 0; }
  .section { padding: 60px 0; }
  .framework-grid { grid-template-columns: 1fr; }
  .q-item { grid-template-columns: 40px 1fr; padding: 20px; gap: 14px; }
  .agenda-card { padding: 20px; }
  .fw-box { padding: 22px; min-height: 240px; }
  .gate-card { padding: 36px 26px; }
}