/* ============================================================
   sci_data.css — Scientific Data Visualization subpage
   Dark, cinematic, technical aesthetic
   Hosted on Hostinger — no build step needed
   ============================================================ */

/* ── Variables ──────────────────────────────────────────── */
:root {
  --bg:         #0e1618;
  --bg-panel:   #131e21;
  --bg-card:    rgba(17, 27, 30, 0.90);

  --text:       #d4dde0;
  --text-soft:  #8a9799;
  --text-muted: #516066;

  --accent:     #a96562;
  --accent-dim: rgba(169, 101, 98, 0.14);
  --accent-glow:rgba(169, 101, 98, 0.30);

  --cyan:   #22d3ee;
  --blue:   #3b82f6;
  --green:  #14e68a;
  --orange: #ff6a1a;
  --violet: #8b5cf6;
  --amber:  #f59e0b;
  --red:    #ef4444;

  --border:       rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.13);
  --shadow:       0 20px 60px rgba(0, 0, 0, 0.45);

  --radius:    16px;
  --radius-sm:  8px;

  --font-head: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; }
body  {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Nav ────────────────────────────────────────────────── */
.sci-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  background: rgba(12, 18, 20, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.sci-nav-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  letter-spacing: 0.03em;
}

.sci-nav-links {
  display: flex;
  gap: 2rem;
}

.sci-nav-links a {
  color: var(--text-soft);
  font-size: 0.83rem;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.sci-nav-links a:hover,
.sci-nav-active { color: var(--text) !important; text-decoration: none; }

.sci-nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.sci-nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-soft);
  border-radius: 2px;
}

/* ── Hero ───────────────────────────────────────────────── */
.sci-hero {
  min-height: 100vh;
  padding-top: 0;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse at 72% 38%, rgba(34, 211, 238, 0.055) 0%, transparent 55%),
    radial-gradient(ellipse at 18% 82%, rgba(169, 101, 98, 0.07)  0%, transparent 45%),
    var(--bg);
}

.sci-hero-inner {
  flex: 1;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 2rem;
  padding: 2.5rem 3rem 1.5rem;
  align-items: center;
}

/* Left column */
.sci-hero-left {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.sci-kicker {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
}

.sci-h1 {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 3.2vw, 2.9rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--text);
}
.sci-h1 em { font-style: normal; color: var(--cyan); }

.sci-lead {
  font-size: 0.93rem;
  color: var(--text-soft);
  line-height: 1.72;
  max-width: 44ch;
}

.sci-micro {
  font-size: 0.76rem;
  color: var(--text-muted);
  letter-spacing: 0.07em;
}

/* Indicator tabs */
.sci-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.sci-tab {
  padding: 0.42rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-soft);
  font-family: var(--font-body);
  font-size: 0.78rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.22s ease;
}
.sci-tab:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: rgba(255,255,255,0.03);
}
.sci-tab.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 14px var(--accent-glow);
}

/* KPI strip */
.sci-kpi-strip {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}
.sci-kpi {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  padding: 0.55rem 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-width: 88px;
}
.sci-kpi-flag  { font-size: 1.05rem; line-height: 1; }
.sci-kpi-name  { font-size: 0.68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.09em; }
.sci-kpi-val   { font-family: var(--font-head); font-size: 0.92rem; font-weight: 600; color: var(--cyan); transition: color 0.3s; }
.sci-kpi-year  { font-size: 0.62rem; color: var(--text-muted); font-style: italic; min-height: 0.9rem; }

/* Globe container */
.sci-globe-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-height: calc(100vh - 58px - 80px);
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}
.sci-globe-wrap:active { cursor: grabbing; }

#globeCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Globe tooltip */
.sci-globe-tooltip {
  position: absolute;
  top: 1.2rem;
  left: 1.2rem;
  min-width: 160px;
  padding: 0.75rem 1rem;
  background: rgba(10, 16, 18, 0.94);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  backdrop-filter: blur(12px);
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s, transform 0.2s;
}
.sci-globe-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

.sci-tt-country  {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.05em;
  margin-bottom: 0.15rem;
}
.sci-tt-indicator {
  font-size: 0.67rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.3rem;
}
.sci-tt-value {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 0.2rem;
  transition: color 0.3s;
}
.sci-tt-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Year slider row */
.sci-year-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.5rem 3rem 1.5rem;
}
.sci-year-bound {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-family: var(--font-head);
  min-width: 30px;
  text-align: center;
}
.sci-slider-track {
  flex: 1;
  position: relative;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 99px;
}
.sci-slider-fill {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  background: var(--accent);
  border-radius: 99px;
  pointer-events: none;
  width: 100%;
  transition: width 0.05s;
}
.sci-slider {
  position: absolute;
  top: 50%; left: 0;
  transform: translateY(-50%);
  width: 100%;
  appearance: none !important;
  -webkit-appearance: none !important;
  background: transparent !important;
  cursor: pointer;
  margin: 0 !important;
  padding: 0 !important;
  height: 20px !important;
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
}
.sci-slider:focus,
.sci-slider:focus-visible {
  outline: none !important;
  box-shadow: none !important;
}
/* Transparent track — visual fill comes from .sci-slider-fill div */
.sci-slider::-webkit-slider-runnable-track {
  background: transparent !important;
  border: none !important;
  height: 4px !important;
  box-shadow: none !important;
}
.sci-slider::-moz-range-track {
  background: transparent !important;
  border: none !important;
  height: 4px !important;
  box-shadow: none !important;
}
/* Custom thumb — matches accent line */
.sci-slider::-webkit-slider-thumb {
  -webkit-appearance: none !important;
  appearance: none !important;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 12px var(--accent-glow);
  cursor: pointer;
  margin-top: -5px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.sci-slider:hover::-webkit-slider-thumb {
  transform: scale(1.2);
  box-shadow: 0 0 18px var(--accent-glow);
}
.sci-slider::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 12px var(--accent-glow);
  cursor: pointer;
}
/* Kill Materialize injected .thumb bubble completely */
.sci-slider-track .thumb,
.sci-year-row .thumb {
  display: none !important;
  visibility: hidden !important;
  width: 0 !important;
  height: 0 !important;
  opacity: 0 !important;
  pointer-events: none !important;
}
.sci-year-cur {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  min-width: 40px;
  text-align: right;
}

/* ── Sections ───────────────────────────────────────────── */
.sci-section {
  padding: 4rem 3rem;
}
.sci-section--timeline {
  padding-top: 0;
}
.sci-section-hd {
  margin-bottom: 1.8rem;
}
.sci-h2 {
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  font-weight: 700;
  color: var(--text);
  margin-top: 0.35rem;
}

/* ── Analytics grid ─────────────────────────────────────── */
.sci-analytics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}
.sci-card--bubble  { grid-column: 1 / 3; }
.sci-card--ranking { grid-column: 3 / 4; }
.sci-card--radar   { grid-column: 4 / 5; }

/* ── Cards ──────────────────────────────────────────────── */
.sci-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  transition: border-color 0.3s;
}
.sci-card:hover { border-color: var(--border-hover); }

.sci-card-hd     { margin-bottom: 1rem; }
.sci-card-kicker {
  display: block;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.sci-card-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}
.sci-card-hint {
  display: block;
  font-size: 0.71rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* ── Chart boxes ────────────────────────────────────────── */
.sci-chart-box { width: 100%; }

.sci-chart-box--bubble   { height: 350px; }
.sci-chart-box--ranking  { height: 350px; }
.sci-chart-box--radar    { height: 260px; }
.sci-chart-box--timeline { height: 170px; }

.sci-chart-box svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* ── Radar legend ───────────────────────────────────────── */
.sci-radar-legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}
.sci-radar-legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.76rem;
  color: var(--text-soft);
}
.sci-radar-legend-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Timeline legend ────────────────────────────────────── */
.sci-timeline-legend {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}
.sci-timeline-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-soft);
}
.sci-timeline-legend-line {
  width: 20px;
  height: 2px;
  border-radius: 1px;
}

/* ── Insights grid ──────────────────────────────────────── */
.sci-insights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}
.sci-obs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.sci-obs-item {
  padding: 0.65rem 0.95rem;
  background: rgba(0,0,0,0.18);
  border-left: 3px solid var(--border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.86rem;
  color: var(--text-soft);
  line-height: 1.55;
  transition: border-color 0.3s;
}
.sci-obs-high    { border-color: var(--cyan); }
.sci-obs-growth  { border-color: var(--green); }
.sci-obs-warning { border-color: var(--amber); }
.sci-obs-loading { border-color: var(--text-muted); color: var(--text-muted); font-style: italic; }

/* Methodology */
.sci-meth-intro {
  font-size: 0.86rem;
  color: var(--text-soft);
  line-height: 1.7;
  margin-bottom: 1.1rem;
}
.sci-sources {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-bottom: 1.1rem;
}
.sci-source {
  padding: 0.55rem 0.75rem;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.sci-src-name {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.1rem;
}
.sci-src-desc {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
}
.sci-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.sci-badge {
  padding: 0.2rem 0.6rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 0.7rem;
  color: var(--text-soft);
}

/* ── Footer ─────────────────────────────────────────────── */
.sci-footer {
  padding: 1.8rem 3rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── D3 base styles ─────────────────────────────────────── */
.sci-axis text {
  fill: var(--text-muted);
  font-family: var(--font-body);
  font-size: 10px;
}
.sci-axis path, .sci-axis line { stroke: rgba(255,255,255,0.06); }
.sci-grid line { stroke: rgba(255,255,255,0.04); stroke-dasharray: 3 4; }
.sci-grid path { stroke: none; }

/* Bubble chart */
.b-dot { cursor: pointer; transition: opacity 0.15s; }
.b-label { fill: var(--text-muted); font-family: var(--font-body); font-size: 10px; pointer-events: none; }

/* Ranking chart */
.r-bar   { transition: width 0.5s ease; }
.r-label { fill: var(--text-soft); font-family: var(--font-body); font-size: 10.5px; }
.r-val   { fill: var(--text-muted); font-family: var(--font-body); font-size: 9.5px; }

/* Radar chart */
.radar-ring  { fill: none; stroke: rgba(255,255,255,0.06); }
.radar-axis  { stroke: rgba(255,255,255,0.1); }
.radar-label { fill: var(--text-muted); font-family: var(--font-body); font-size: 9.5px; }

/* Timeline */
.t-line       { stroke-width: 2; opacity: 0.85; }
.year-marker  { stroke: var(--accent); stroke-width: 1.5; stroke-dasharray: 4 3; pointer-events: none; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1100px) {
  .sci-analytics-grid {
    grid-template-columns: 1fr 1fr;
  }
  .sci-card--bubble  { grid-column: 1 / 3; }
  .sci-card--ranking { grid-column: 1 / 2; }
  .sci-card--radar   { grid-column: 2 / 3; }
}

@media (max-width: 768px) {
  .sci-nav { padding: 0 1.25rem; }
  .sci-nav-links { display: none; }
  .sci-nav-burger { display: flex; }

  .sci-hero-inner {
    grid-template-columns: 1fr;
    padding: 1.5rem 1.25rem 0.5rem;
  }
  .sci-globe-wrap {
    max-height: 55vw;
    min-height: 240px;
  }
  .sci-year-row { padding: 0 1.25rem 1.2rem; }

  .sci-section  { padding: 2.5rem 1.25rem; }
  .sci-analytics-grid { grid-template-columns: 1fr; }
  .sci-card--bubble,
  .sci-card--ranking,
  .sci-card--radar  { grid-column: auto; }
  .sci-insights-grid { grid-template-columns: 1fr; }
  .sci-sources       { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .sci-tabs { gap: 0.3rem; }
  .sci-tab  { padding: 0.35rem 0.6rem; font-size: 0.73rem; }
  .sci-kpi-strip { gap: 0.5rem; }
  .sci-h1 { font-size: 1.7rem; }
}