/* ============================================================
   Kryll Reboot Survey Dashboard — Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---- CSS Variables ---- */
:root {
  --bg-deep: #080510;
  --bg-surface: #0F0A1A;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border-subtle: rgba(255,255,255,0.08);
  --border-accent: rgba(124,58,237,0.3);

  --primary: #7C3AED;
  --primary-light: #A78BFA;
  --secondary: #06B6D4;
  --secondary-light: #67E8F9;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --rose: #F472B6;

  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --gradient-primary: linear-gradient(135deg, #7C3AED, #06B6D4);
  --gradient-warm: linear-gradient(135deg, #F59E0B, #EF4444);
  --gradient-cool: linear-gradient(135deg, #06B6D4, #10B981);
  --gradient-hero: linear-gradient(180deg, #0F0A1A 0%, #1a0e2e 50%, #0F0A1A 100%);

  --glass: rgba(255,255,255,0.03);
  --glass-border: rgba(255,255,255,0.06);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-glow: 0 0 40px rgba(124,58,237,0.15);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- Background decoration ---- */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, rgba(124,58,237,0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(6,182,212,0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ---- Layout ---- */
.container {
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

/* ---- Header ---- */
.header {
  padding: 48px 0 24px;
  text-align: center;
}

.header__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.header__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.header__title {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -1px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.header__subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}

.header__meta {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---- Section ---- */
.section {
  padding: 48px 0;
}

.section__header {
  margin-bottom: 36px;
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 8px;
}

.section__title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.section__description {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 8px;
  max-width: 700px;
}

/* ---- Divider ---- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
  margin: 16px 0;
}

/* ---- KPI Cards ---- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 16px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.kpi-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
}

.kpi-card--purple::before { background: var(--gradient-primary); }
.kpi-card--cyan::before { background: var(--secondary); }
.kpi-card--green::before { background: var(--success); }
.kpi-card--amber::before { background: var(--warning); }
.kpi-card--rose::before { background: var(--rose); }

.kpi-card__icon {
  font-size: 24px;
  margin-bottom: 14px;
}

.kpi-card__value {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 6px;
}

.kpi-card--purple .kpi-card__value { color: var(--primary-light); }
.kpi-card--cyan .kpi-card__value { color: var(--secondary-light); }
.kpi-card--green .kpi-card__value { color: var(--success); }
.kpi-card--amber .kpi-card__value { color: var(--warning); }
.kpi-card--rose .kpi-card__value { color: var(--rose); }

.kpi-card__label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.kpi-card__sublabel {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---- Quote Carousel ---- */
.quotes-section {
  padding: 48px 0;
  overflow: hidden;
}

.quotes-track-wrapper {
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.quotes-track {
  display: flex;
  gap: 20px;
  animation: scroll-quotes 40s linear infinite;
  width: max-content;
}

.quotes-track:hover {
  animation-play-state: paused;
}

@keyframes scroll-quotes {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.quote-card {
  flex-shrink: 0;
  width: 340px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  position: relative;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.quote-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.quote-card__icon {
  font-size: 32px;
  color: var(--primary);
  opacity: 0.6;
  margin-bottom: 12px;
  line-height: 1;
}

.quote-card__text {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.6;
  font-style: italic;
}

.quote-card__lang {
  display: inline-block;
  margin-top: 16px;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.quote-card__lang--FR {
  background: rgba(124,58,237,0.15);
  color: var(--primary-light);
}

.quote-card__lang--EN {
  background: rgba(6,182,212,0.15);
  color: var(--secondary-light);
}

/* ---- Chart Cards ---- */
.chart-grid {
  display: grid;
  gap: 24px;
}

.chart-grid--2 { grid-template-columns: 1fr 1fr; }
.chart-grid--3 { grid-template-columns: 1fr 1fr 1fr; }
.chart-grid--1-2 { grid-template-columns: 1fr 2fr; }
.chart-grid--2-1 { grid-template-columns: 2fr 1fr; }

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.chart-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 4px 30px rgba(124,58,237,0.1);
}

.chart-card__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.chart-card__question {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.chart-card__base {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 20px;
  font-style: italic;
}

.chart-card__canvas-wrap {
  position: relative;
  width: 100%;
}

.chart-card__canvas-wrap--doughnut {
  max-width: 280px;
  margin: 0 auto;
}

/* ---- Insight boxes ---- */
.insight-box {
  margin-top: 20px;
  padding: 16px 20px;
  background: rgba(124,58,237,0.08);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.insight-box strong {
  color: var(--primary-light);
  font-weight: 600;
}

.insight-box--cyan {
  background: rgba(6,182,212,0.08);
  border-left-color: var(--secondary);
}

.insight-box--cyan strong {
  color: var(--secondary-light);
}

.insight-box--green {
  background: rgba(16,185,129,0.08);
  border-left-color: var(--success);
}

.insight-box--green strong {
  color: var(--success);
}

.insight-box--warning {
  background: rgba(245,158,11,0.08);
  border-left-color: var(--warning);
}

.insight-box--warning strong {
  color: var(--warning);
}

/* ---- Cross analysis heatmap ---- */
.heatmap-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.heatmap-table th {
  padding: 10px 12px;
  text-align: center;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.heatmap-table th:first-child {
  text-align: left;
}

.heatmap-table td {
  padding: 10px 12px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-weight: 500;
  border-radius: 4px;
}

.heatmap-table td:first-child {
  text-align: left;
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 12px;
}

/* ---- Scroll animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Footer ---- */
.footer {
  padding: 48px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
}

.footer a {
  color: var(--primary-light);
  text-decoration: none;
}

/* ---- Strategy Matrix ---- */
.strategy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.strategy-card {
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.strategy-card--positive {
  background: rgba(16,185,129,0.06);
  border-color: rgba(16,185,129,0.2);
}

.strategy-card--caution {
  background: rgba(245,158,11,0.06);
  border-color: rgba(245,158,11,0.2);
}

.strategy-card__title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.strategy-card--positive .strategy-card__title { color: var(--success); }
.strategy-card--caution .strategy-card__title { color: var(--warning); }

.strategy-card ul {
  list-style: none;
  font-size: 13px;
  color: var(--text-secondary);
}

.strategy-card li {
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}

.strategy-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .chart-grid--2,
  .chart-grid--3,
  .chart-grid--1-2,
  .chart-grid--2-1 {
    grid-template-columns: 1fr;
  }

  .strategy-grid {
    grid-template-columns: 1fr;
  }

  .header__title { font-size: 32px; }
}