/* =========================================================
   Predictive Intelligence Assessment — Stylesheet
   ========================================================= */

:root {
  --bg: #FAFAFA;
  --text-primary: #111111;
  --text-secondary: #666666;
  --border: #E7E7E7;
  --accent: #2563EB;
  --accent-soft: #EEF2FF;
  --accent-dim: rgba(37, 99, 235, 0.14);
  --card: #FFFFFF;
  --success: #16A34A;

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;

  --shadow-sm: 0 1px 2px rgba(17,17,17,0.04), 0 1px 1px rgba(17,17,17,0.03);
  --shadow-md: 0 4px 16px rgba(17,17,17,0.06), 0 1px 2px rgba(17,17,17,0.04);
  --shadow-lg: 0 16px 40px rgba(17,17,17,0.10), 0 4px 12px rgba(17,17,17,0.05);

  --font-display: 'Geist', 'Inter', -apple-system, 'SF Pro Display', BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, 'SF Pro Display', BlinkMacSystemFont, sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body { min-height: 100vh; }

h1, h2, h3 { font-family: var(--font-display); margin: 0; }
p { margin: 0; }

button { font-family: inherit; }

::selection { background: var(--accent-dim); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- background layers ---------- */

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- layout shell ---------- */

.app {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(20px, 5vw, 56px);
}

.brand { display: flex; align-items: center; gap: 9px; }
.brand-mark {
  width: 9px; height: 9px;
  border-radius: 3px;
  background: var(--accent);
  transform: rotate(45deg);
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}

.topbar-status {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: var(--text-secondary);
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(22,163,74,0.15);
  animation: pulse-dot 2.4s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* ---------- progress rail ---------- */

.progress-rail {
  display: none;
  gap: 6px;
  padding: 0 clamp(20px, 5vw, 56px) 18px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}
.progress-rail.visible { display: flex; }

.rail-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.rail-bar {
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  overflow: hidden;
  position: relative;
}
.rail-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.rail-step.done .rail-bar::after { transform: scaleX(1); }
.rail-step.active .rail-bar::after { transform: scaleX(0.5); }
.rail-label {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
  display: none;
}
@media (min-width: 720px) {
  .rail-label { display: block; }
}
.rail-step.active .rail-label { color: var(--text-primary); }

/* ---------- main / screens ---------- */

#app-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px clamp(20px, 5vw, 56px) 64px;
}

.screen {
  display: none;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
}
.screen.active {
  display: block;
  animation: screen-in 0.55s var(--ease);
}
@keyframes screen-in {
  from { opacity: 0; transform: translateY(14px) scale(0.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---------- home ---------- */

#screen-home { max-width: 760px; text-align: center; }

.hero { padding-top: clamp(24px, 6vh, 60px); }

.eyebrow {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 22px;
  opacity: 0;
  animation: fade-up 0.7s var(--ease) 0.05s forwards;
}

.hero-title {
  font-size: clamp(34px, 6vw, 58px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 22px;
  opacity: 0;
  animation: fade-up 0.8s var(--ease) 0.15s forwards;
}

.hero-subtitle {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 36px;
  opacity: 0;
  animation: fade-up 0.8s var(--ease) 0.28s forwards;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-meta {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  opacity: 0;
  animation: fade-up 0.8s var(--ease) 0.5s forwards;
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
}
.hero-meta-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.hero-meta-value {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-primary);
}

.home-timeline {
  margin-top: clamp(52px, 8vh, 88px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  opacity: 0;
  animation: fade-up 0.9s var(--ease) 0.65s forwards;
}
.tl-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 4px 14px;
}
.tl-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  position: relative;
}
.tl-node:first-child .tl-dot { background: var(--accent); }
.tl-label {
  font-size: 11.5px;
  color: var(--text-secondary);
  white-space: nowrap;
  font-weight: 500;
}
.tl-line {
  width: 26px;
  height: 1px;
  background: var(--border);
}

.disclaimer-footnote {
  margin-top: 56px;
  font-size: 12px;
  color: var(--text-secondary);
  opacity: 0.7;
}

/* ---------- buttons ---------- */

.btn {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  padding: 12px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.2s var(--ease-soft), box-shadow 0.2s var(--ease-soft), background 0.2s var(--ease-soft), border-color 0.2s var(--ease-soft), opacity 0.2s;
  will-change: transform;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn svg { transition: transform 0.25s var(--ease-soft); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: #1D4ED8;
  box-shadow: 0 8px 20px rgba(37,99,235,0.25);
  transform: translateY(-1px);
}
.btn-primary:hover svg { transform: translateX(2px); }
.btn-primary:disabled {
  background: #C7D2FE;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-ghost:hover {
  color: var(--text-primary);
  border-color: #D1D1D1;
  background: #F4F4F4;
}
.btn-ghost:disabled { opacity: 0.35; cursor: not-allowed; }

.btn-lg { padding: 14px 28px; font-size: 15px; }

/* ---------- step headers ---------- */

.step-head { margin-bottom: 32px; }
.step-kicker {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.step-kicker.center { text-align: center; }
.step-title {
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.step-title.center { text-align: center; }
.step-desc { font-size: 14.5px; color: var(--text-secondary); line-height: 1.55; }

.nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
}
.nav-spacer { flex: 1; }

/* ---------- form fields (floating label) ---------- */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
}

.field { position: relative; grid-column: span 1; }
.field.full { grid-column: 1 / -1; }

.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 14px 8px;
  outline: none;
  transition: border-color 0.2s var(--ease-soft), box-shadow 0.2s var(--ease-soft);
  appearance: none;
}
.field textarea { resize: vertical; min-height: 84px; padding-top: 22px; }

.field label {
  position: absolute;
  left: 14px;
  top: 15px;
  font-size: 15px;
  color: var(--text-secondary);
  pointer-events: none;
  transform-origin: left top;
  transition: transform 0.18s var(--ease-soft), color 0.18s var(--ease-soft), top 0.18s var(--ease-soft);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field select:focus + label,
.field select.has-value + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  top: 7px;
  font-size: 11px;
  color: var(--accent);
}

.field select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 34px;
}

/* ---------- question cards (sliders + text) ---------- */

.question-list { display: flex; flex-direction: column; gap: 14px; }

.q-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s var(--ease-soft), transform 0.25s var(--ease-soft), border-color 0.25s;
  opacity: 0;
  transform: translateY(10px);
  animation: card-in 0.5s var(--ease-soft) forwards;
}
@keyframes card-in { to { opacity: 1; transform: translateY(0); } }

.q-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: #DCDCDC;
}

.q-label {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.q-sub { font-size: 12.5px; color: var(--text-secondary); margin-bottom: 16px; }

.slider-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 14px;
}
.slider-end {
  font-size: 11.5px;
  color: var(--text-secondary);
  width: 64px;
  flex-shrink: 0;
}
.slider-end.right { text-align: right; }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(to right, var(--accent) 0%, var(--accent) var(--fill,50%), var(--border) var(--fill,50%), var(--border) 100%);
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--accent);
  box-shadow: 0 2px 6px rgba(17,17,17,0.15);
  cursor: pointer;
  transition: transform 0.15s var(--ease-soft), box-shadow 0.15s;
}
input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 0 0 6px var(--accent-dim);
}
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--accent);
  cursor: pointer;
}
input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: 2px;
  background: var(--border);
}

/* textarea question card */
.q-card textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--text-primary);
  resize: vertical;
  min-height: 64px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.q-card textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }

/* ---------- decision scenarios ---------- */

.scenario-progress {
  display: flex;
  gap: 5px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}
.sc-dot {
  width: 20px;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  transition: background 0.3s var(--ease-soft), width 0.3s var(--ease-soft);
}
.sc-dot.done { background: var(--accent); }
.sc-dot.active { background: var(--accent); width: 30px; }

.scenario-wrap { min-height: 300px; }

.scenario-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-md);
  animation: card-swap 0.45s var(--ease);
}
@keyframes card-swap {
  from { opacity: 0; transform: translateX(18px); }
  to { opacity: 1; transform: translateX(0); }
}

.scenario-index {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.scenario-text {
  font-size: 18.5px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 24px;
  letter-spacing: -0.005em;
}

.option-list { display: flex; flex-direction: column; gap: 10px; }

.option-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.2s var(--ease-soft), background 0.2s var(--ease-soft), transform 0.15s var(--ease-soft);
}
.option-item:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateX(3px);
}
.option-item.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.option-radio {
  width: 17px; height: 17px;
  border-radius: 50%;
  border: 1.5px solid #C9C9C9;
  flex-shrink: 0;
  position: relative;
  transition: border-color 0.2s;
}
.option-item.selected .option-radio { border-color: var(--accent); }
.option-radio::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--accent);
  transform: scale(0);
  transition: transform 0.2s var(--ease-soft);
}
.option-item.selected .option-radio::after { transform: scale(1); }
.option-text { font-size: 14.5px; color: var(--text-primary); }

/* ---------- personality metrics ---------- */

.metrics-list { display: flex; flex-direction: column; gap: 18px; }

.metric-row {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s;
}
.metric-row:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }

.metric-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.metric-name { font-size: 14px; font-weight: 600; }
.metric-value { font-size: 13.5px; font-weight: 600; color: var(--accent); font-variant-numeric: tabular-nums; }
.metric-track {
  height: 6px;
  border-radius: 3px;
  background: #F0F0F0;
  overflow: hidden;
}
.metric-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #60A5FA, var(--accent));
  width: 0%;
  transition: width 1.1s var(--ease);
}

/* ---------- analysis phase ---------- */

#screen-analysis { max-width: 560px; }

.analysis-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

#analysis-canvas {
  position: absolute;
  inset: -40px;
  width: calc(100% + 80px);
  height: calc(100% + 80px);
  z-index: 0;
}

.analysis-core {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.analysis-ring {
  position: relative;
  width: 120px;
  height: 120px;
  margin-bottom: 28px;
}
.ring-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: var(--border); stroke-width: 4; }
.ring-progress {
  fill: none;
  stroke: var(--accent);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 339.3;
  stroke-dashoffset: 339.3;
  transition: stroke-dashoffset 0.4s var(--ease-soft);
}
.analysis-percent {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}

.analysis-message {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  min-height: 22px;
  margin-bottom: 22px;
  transition: opacity 0.3s;
}

.analysis-log {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: 'SFMono-Regular', ui-monospace, Menlo, monospace;
  max-width: 340px;
}
.log-line {
  opacity: 0;
  animation: log-in 0.4s var(--ease-soft) forwards;
  display: flex;
  align-items: center;
  gap: 6px;
}
.log-line svg { flex-shrink: 0; color: var(--success); }
@keyframes log-in { to { opacity: 0.75; } }

/* ---------- completion ---------- */

#screen-complete { text-align: center; }
.complete-wrap { display: flex; flex-direction: column; align-items: center; }

.complete-check { margin-bottom: 22px; }
.check-svg { width: 68px; height: 68px; }
.check-circle {
  stroke: var(--accent);
  stroke-width: 2.5;
  stroke-dasharray: 151;
  stroke-dashoffset: 151;
  animation: draw 0.7s var(--ease-soft) forwards;
}
.check-mark {
  stroke: var(--accent);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  animation: draw 0.5s var(--ease-soft) 0.6s forwards;
}
@keyframes draw { to { stroke-dashoffset: 0; } }

.complete-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 34px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.complete-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--text-secondary);
  opacity: 0;
  animation: fade-up 0.5s var(--ease) forwards;
}
.complete-list li:nth-child(1) { animation-delay: 0.9s; }
.complete-list li:nth-child(2) { animation-delay: 1.1s; }
.complete-list li:nth-child(3) { animation-delay: 1.3s; }
.complete-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
}
#btn-reveal { opacity: 0; animation: fade-up 0.5s var(--ease) 1.55s forwards; }

/* ---------- reveal ---------- */

#screen-reveal { position: relative; }
#confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
}
.reveal-wrap { text-align: center; }
.reveal-title {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 8px 0 26px;
}

.reveal-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  text-align: left;
  margin-bottom: 22px;
}
.reveal-block { margin-bottom: 20px; }
.reveal-block:last-child { margin-bottom: 0; }
.reveal-block-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.reveal-block-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
}
.reveal-divider { height: 1px; background: var(--border); margin: 20px 0; }

.reveal-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  text-align: left;
  background: var(--accent-soft);
  border: 1px solid #DCE5FB;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  color: #1E40AF;
  margin-bottom: 28px;
}
.reveal-banner svg { flex-shrink: 0; margin-top: 1px; }
.reveal-banner p { font-size: 13px; line-height: 1.55; }

.reveal-actions { display: flex; justify-content: center; }

.micro-footnote {
  margin-top: 22px;
  font-size: 11px;
  color: var(--text-secondary);
  opacity: 0.55;
  text-align: center;
}
.micro-footnote.dark {
  color: rgba(255,255,255,0.35);
}

/* ---------- shock flash overlay ---------- */

.shock-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
}
.shock-overlay.active {
  opacity: 1;
  pointer-events: all;
  animation: shock-bg-flash 1s ease forwards;
}
@keyframes shock-bg-flash {
  0% { background: #fff; }
  7% { background: #000; }
  100% { background: #000; }
}

.shock-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 11vw, 100px);
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 2px 0 #FF3B30, -2px 0 #2563EB, 0 0 44px rgba(255,255,255,0.35);
  animation: glitch-jitter 0.11s steps(2) infinite;
}
@keyframes glitch-jitter {
  0%, 100% { transform: translate(0,0) skewX(0deg); }
  10% { transform: translate(-4px,2px) skewX(-3deg); }
  20% { transform: translate(4px,-2px) skewX(2deg); }
  30% { transform: translate(-2px,1px) skewX(-1deg); }
  40% { transform: translate(2px,-1px) skewX(1deg); }
  50% { transform: translate(-1px,3px) skewX(0deg); }
  60% { transform: translate(1px,-3px) skewX(2deg); }
  70% { transform: translate(-3px,1px) skewX(-2deg); }
  80% { transform: translate(3px,2px) skewX(1deg); }
  90% { transform: translate(-1px,-1px) skewX(-1deg); }
}
@media (prefers-reduced-motion: reduce) {
  .shock-text { animation: none; }
}

/* ---------- fullscreen video stage ---------- */

.video-stage {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: #000;
  display: none;
}
.video-stage.visible { display: block; }
.video-stage, #yt-player, #yt-player iframe {
  width: 100%;
  height: 100%;
}
video#yt-player {
  object-fit: contain;
  background: #000;
}

/* ---------- blackout / post-video screen ---------- */

#screen-blackout.active {
  position: fixed;
  inset: 0;
  z-index: 60;
  max-width: none;
  margin: 0;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: blackout-fade 0.9s ease forwards;
}
@keyframes blackout-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}
.blackout-wrap { text-align: center; }
.blackout-text {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: rgba(255,255,255,0.92);
  margin-bottom: 26px;
}
.blackout-wrap .btn-ghost {
  border-color: rgba(255,255,255,0.22);
  color: #fff;
}
.blackout-wrap .btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}
.link-subtle {
  background: none;
  border: none;
  cursor: pointer;
  margin-top: 20px;
  font-family: var(--font-body);
  font-size: 12.5px;
  color: rgba(255,255,255,0.4);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.link-subtle:hover { color: rgba(255,255,255,0.75); }

/* ---------- responsive ---------- */

@media (max-width: 640px) {
  .topbar { padding: 18px 20px; }
  #app-main { padding: 12px 20px 48px; }
  .scenario-card { padding: 22px; }
  .form-grid { gap: 12px; }
}