/* ═══════════════════════════════════════════════════════════════════════════
   Netflix Movie Trends Dashboard — style.css
   Design: Dark, editorial, minimal. Netflix palette with refined spacing.
   Font Stack: Playfair Display (display) + DM Sans (body) + DM Mono (code)
   ═══════════════════════════════════════════════════════════════════════════ */

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

:root {
  --bg:         #0e0e0e;
  --surface:    #181818;
  --surface-2:  #202020;
  --border:     #2a2a2a;
  --accent:     #E50914;
  --accent-dim: #8b060d;
  --text-1:     #f5f5f5;
  --text-2:     #adadad;
  --text-3:     #666666;
  --radius:     12px;
  --radius-sm:  6px;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Utility ──────────────────────────────────────────────────────────────── */
strong { color: var(--text-1); font-weight: 600; }

/* ── Header ───────────────────────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 0 0 0 0;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 32px 36px;
  display: flex;
  align-items: flex-start;
  gap: 40px;
}

/* Logo */
.logo-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.logo-n {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  border-radius: 8px;
  letter-spacing: -1px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.5px;
}

.logo-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 2px;
}

/* Header right */
.header-meta {
  flex: 1;
  padding-top: 4px;
}

.header-desc {
  font-size: 14.5px;
  color: var(--text-2);
  max-width: 600px;
  margin-bottom: 14px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 100px;
  font-family: var(--font-mono);
}

/* KPI strip */
.kpi-strip {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border-top: 1px solid var(--border);
  background: var(--border);
}

.kpi-card {
  background: var(--surface);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background 0.2s;
}

.kpi-card:first-child  { border-radius: 0; }
.kpi-card:hover { background: var(--surface-2); }

.kpi-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-3);
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.1;
}

/* ── Main Grid ────────────────────────────────────────────────────────────── */
.main-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 32px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ── Chart Cards ──────────────────────────────────────────────────────────── */
.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.25s;
}

.chart-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.chart-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  border-color: #3a3a3a;
}

/* Full-width card */
.chart-card.wide {
  grid-column: 1 / -1;
}

/* Card header */
.card-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--border);
}

.card-number {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(229, 9, 20, 0.08);
  border: 1px solid rgba(229, 9, 20, 0.2);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  margin-top: 3px;
  flex-shrink: 0;
}

.card-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.2;
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.card-insight {
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.6;
}

/* Chart image wrapper */
.chart-wrap {
  padding: 20px 20px 16px;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chart-wrap img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  display: block;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 24px 32px;
  color: var(--text-3);
  font-size: 12.5px;
}

.site-footer strong { color: var(--text-2); }

/* ── Stagger animation delays ──────────────────────────────────────────────── */
.chart-card[data-index="1"] { transition-delay: 0.05s; }
.chart-card[data-index="2"] { transition-delay: 0.12s; }
.chart-card[data-index="3"] { transition-delay: 0.19s; }
.chart-card[data-index="4"] { transition-delay: 0.26s; }
.chart-card[data-index="5"] { transition-delay: 0.33s; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .main-grid { grid-template-columns: 1fr; }
  .chart-card.wide { grid-column: 1; }
  .kpi-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .header-inner {
    flex-direction: column;
    gap: 20px;
    padding: 32px 20px 24px;
  }
  .kpi-strip { grid-template-columns: 1fr 1fr; padding: 0 20px; }
  .kpi-card { padding: 16px 18px; }
  .kpi-value { font-size: 18px; }
  .main-grid { padding: 24px 20px 48px; gap: 16px; }
  .card-header { padding: 18px 20px 16px; flex-direction: column; gap: 10px; }
  .chart-wrap { padding: 12px 12px 10px; }
}