/* ============================================================
   Scherbius Analytics — Global Stylesheet
   Fonts: EB Garamond (serif / display), Outfit (sans / UI)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Outfit:wght@300;400;500;600;700&display=swap');

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --bg:            #FAFAF8;
  --white:         #FFFFFF;
  --dark:          #1A1A1A;
  --text:          #2D2D2D;
  --text-muted:    #6B7280;
  --text-dim:      #9CA3AF;
  --accent:        #B91C1C;
  --accent-light:  #DC2626;
  --accent-bg:     #FEF2F2;
  --border:        #E8E5E0;
  --border-light:  #F0EDE8;
  --green:         #047857;

  --nav-height: 60px;
  --max-width:  1100px;
  --px:         60px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5, h6 { overflow-wrap: break-word; word-break: break-word; }
p, li, td, th { overflow-wrap: break-word; }

/* ── Tables: always scrollable on mobile ────────────────────── */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
@media (max-width: 768px) {
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
  .perf-table thead th, .perf-table th, .perf-table td { white-space: nowrap; padding: 10px 14px; }
  .stats-table th, .stats-table td { white-space: nowrap; padding: 10px 16px; font-size: 11px; }
}

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--px);
  background: rgba(250,250,248,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.35s, border-color 0.35s, box-shadow 0.35s;
}
.nav.scrolled {
  background: rgba(250,250,248,0.96);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

/* ── Transparent nav: index page only, before scroll ────────── */
body:not(.page-content) .nav:not(.scrolled) {
  background: transparent;
  backdrop-filter: none;
  border-bottom-color: rgba(255,255,255,0.08);
}
body:not(.page-content) .nav:not(.scrolled) .nav-links a {
  color: rgba(255,255,255,0.62);
}
body:not(.page-content) .nav:not(.scrolled) .nav-links a:hover,
body:not(.page-content) .nav:not(.scrolled) .nav-links a.active {
  color: #fff;
}
body:not(.page-content) .nav:not(.scrolled) .nav-hamburger span {
  background: rgba(255,255,255,0.7);
}
body:not(.page-content) .nav:not(.scrolled) .mode-toggle {
  background: rgba(255,255,255,0.08);
}
body:not(.page-content) .nav:not(.scrolled) .mode-btn {
  color: rgba(255,255,255,0.45);
}
body:not(.page-content) .nav:not(.scrolled) .mode-btn.active {
  background: rgba(255,255,255,0.16);
  color: #fff;
}
body:not(.page-content) .nav:not(.scrolled) .mode-btn:hover:not(.active) {
  color: rgba(255,255,255,0.85);
}
/* Logo auf dunklem Hintergrund: weißes Schutzfeld (Brand-Guideline) */
body:not(.page-content) .nav:not(.scrolled) .nav-logo img {
  background: #fff;
  padding: 4px 8px;
  border-radius: 3px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo img {
  height: 32px;
  width: auto;
}
.nav-logo-text {
  font-family: 'Outfit', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 9px 20px;
  border-radius: 2px;
  font-size: 10px !important;
  font-weight: 600 !important;
  letter-spacing: 1.5px !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--accent-light) !important; }

/* ── Nav auth buttons ───────────────────────────────────────── */
.nav-auth {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-login-link {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-login-link:hover { color: #fff; }
/* On light nav (scrolled or page-content) */
body.page-content .nav-login-link,
.nav.scrolled .nav-login-link {
  color: var(--text-muted);
}
body.page-content .nav-login-link:hover,
.nav.scrolled .nav-login-link:hover {
  color: var(--dark);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--dark);
  transition: all 0.3s;
}

/* ── Mobile Nav ─────────────────────────────────────────────── */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: rgba(250,250,248,0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 24px var(--px);
  z-index: 199;
  flex-direction: column;
  gap: 0;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
  transition: color 0.2s;
}
.nav-mobile a:hover { color: var(--accent); }
.nav-mobile a:last-child { border-bottom: none; }

/* ── Page Shell ─────────────────────────────────────────────── */
.page-content { padding-top: var(--nav-height); }

/* ── Section ────────────────────────────────────────────────── */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px var(--px);
}
.section + .section { border-top: 1px solid var(--border); }
.section-full {
  padding: 100px var(--px);
  border-top: 1px solid var(--border);
}
.section-full > .section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ── Section Header ─────────────────────────────────────────── */
.section-header { margin-bottom: 64px; }
.section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-family: 'EB Garamond', serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 500;
  color: var(--dark);
  line-height: 1.1;
  letter-spacing: -0.5px;
}
.section-title em { font-style: italic; color: var(--text-muted); }
.section-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 16px;
  max-width: 580px;
  line-height: 1.75;
}

/* ── Accent Rule ────────────────────────────────────────────── */
.rule-accent {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 20px 0;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 13px 28px;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-light); }
.btn-secondary {
  background: transparent;
  color: var(--dark);
  border: 1px solid var(--dark);
}
.btn-secondary:hover { background: var(--dark); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-ghost:hover { background: var(--accent); color: #fff; }
.btn-white {
  background: #fff;
  color: var(--dark);
}
.btn-white:hover { background: var(--bg); }

/* ── KPI Cards ──────────────────────────────────────────────── */
.kpi-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 20px 24px;
  position: relative;
}
.kpi-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 14px; right: 14px;
  height: 2px;
  border-radius: 1px;
  background: var(--accent);
  opacity: 0.2;
}
.kpi-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.kpi-value {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -1px;
  line-height: 1;
}
.kpi-value.positive { color: var(--green); }
.kpi-value.negative { color: var(--accent); }
.kpi-sub {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 2px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.badge-default  { background: #F3F4F6; color: #374151; border: 1px solid #E5E7EB; }
.badge-success  { background: #ECFDF5; color: #047857; border: 1px solid #A7F3D0; }
.badge-danger   { background: var(--accent-bg); color: var(--accent); border: 1px solid #FECACA; }
.badge-dark     { background: var(--dark); color: #fff; }
.badge-outline  { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.5);
}
.footer-top {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px var(--px) 60px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand img {
  height: 36px;
  width: auto;
  margin-bottom: 20px;
  opacity: 0.85;
}
.footer-brand-tagline {
  font-family: 'EB Garamond', serif;
  font-size: 15px;
  font-style: italic;
  color: rgba(255,255,255,0.35);
  line-height: 1.6;
  max-width: 260px;
  margin-bottom: 24px;
}
.footer-col-title {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
  margin-bottom: 20px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  transition: color 0.2s;
}
.footer-links a:hover { color: rgba(255,255,255,0.8); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 24px var(--px);
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-legal {
  font-size: 11px;
  color: rgba(255,255,255,0.2);
}
.footer-legal a {
  color: rgba(255,255,255,0.3);
  transition: color 0.2s;
}
.footer-legal a:hover { color: rgba(255,255,255,0.6); }
.footer-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.07);
  margin: 0;
}

/* ── Utility ────────────────────────────────────────────────── */
.text-accent  { color: var(--accent); }
.text-muted   { color: var(--text-muted); }
.text-dim     { color: var(--text-dim); }
.text-green   { color: var(--green); }
.text-white   { color: #fff; }
.italic       { font-style: italic; }
.serif        { font-family: 'EB Garamond', serif; }
.mono         { font-family: 'Courier New', monospace; }

/* ── Mode Toggle ─────────────────────────────────────────────── */
.mode-toggle {
  display: flex;
  background: var(--border-light);
  border-radius: 3px;
  padding: 3px;
  gap: 2px;
  flex-shrink: 0;
}
.mode-btn {
  font-family: 'Outfit', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  transition: all 0.2s;
  white-space: nowrap;
}
.mode-btn:focus { outline: none; }
.mode-btn.active { background: var(--dark); color: #fff; }
.mode-btn:hover:not(.active) { color: var(--dark); }


/* ── Nav right cluster ───────────────────────────────────────── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ── Logo pill (for dark / coloured backgrounds) ────────────── */
.logo-pill {
  display: inline-flex;
  align-items: center;
  background: #fff;
  padding: 6px 10px;
  border-radius: 3px;
}
.logo-pill img {
  height: 28px;
  width: auto;
  display: block;
}

/* ── Chart utilities ─────────────────────────────────────────── */
.chart-container {
  position: relative;
  width: 100%;
}
.chart-reset-btn {
  font-family: 'Outfit', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 2px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.chart-reset-btn:hover { border-color: var(--dark); color: var(--dark); }

/* ── Chart Range Navigator (Highcharts-style) ───────────────── */
.chart-nav-wrap {
  position: relative;
  height: 56px;
  margin-top: 10px;
  cursor: crosshair;
  user-select: none;
  -webkit-user-select: none;
  border-radius: 2px;
  overflow: hidden;
}
.chart-nav-wrap canvas {
  display: block;
  width: 100% !important;
  height: 56px !important;
}
.chart-nav-overlay { position: absolute; inset: 0; }
.chart-nav-mask-l,
.chart-nav-mask-r {
  position: absolute;
  top: 0; bottom: 0;
  background: rgba(250,250,248,0.75);
  pointer-events: none;
}
.chart-nav-mask-l { left: 0;  width: 0; }
.chart-nav-mask-r { right: 0; width: 0; }
.chart-nav-sel {
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 100%;
  border: 1.5px solid rgba(185,28,28,0.55);
  background: rgba(185,28,28,0.03);
  cursor: grab;
  pointer-events: all;
  box-sizing: border-box;
}
.chart-nav-sel:active { cursor: grabbing; }
.chart-nav-hl,
.chart-nav-hr {
  position: absolute;
  top: 0; bottom: 0;
  width: 7px;
  background: rgba(185,28,28,0.45);
  cursor: ew-resize;
  pointer-events: all;
  border-radius: 1px;
}
.chart-nav-hl { left: -1px; }
.chart-nav-hr { right: -1px; }

/* ── Mode-based visibility (prevents flash before JS) ───────── */
[data-mode="institutional"] [data-show="retail"]        { display: none; }
[data-mode="retail"]        [data-show="institutional"] { display: none; }

/* ── Performance Section (shared: index + performance page) ─── */
.perf-kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.perf-chart {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 32px;
}
.perf-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}
.perf-chart-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 4px;
}
.perf-chart-sub  { font-size: 11px; color: var(--text-dim); }
.perf-chart-legend { display: flex; gap: 20px; font-size: 11px; color: var(--text-muted); }
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot  { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.perf-chart-body { width: 100%; overflow: hidden; }
.perf-chart-body svg { width: 100%; height: auto; display: block; }
.perf-chart-disclaimer {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 16px;
  line-height: 1.5;
}

/* ══════════════════════════════════════════════════════════════
   Responsive
   ══════════════════════════════════════════════════════════════ */

/* ── Tablet: ≤900px ──────────────────────────────────────────── */
@media (max-width: 900px) {
  :root { --px: 32px; }
  .nav-links          { display: none; }
  .nav-hamburger      { display: flex; }
  .nav-right .nav-cta { display: none; }
  .nav-right          { gap: 10px; }
  .mode-btn           { padding: 6px 10px; font-size: 9px; letter-spacing: 0.8px; }
  .footer-top         { grid-template-columns: 1fr 1fr; gap: 40px; }
  .perf-kpi-grid      { grid-template-columns: repeat(2, 1fr); }
  .perf-chart         { padding: 24px 20px; }
  .perf-chart-header  { flex-direction: column; gap: 12px; }
  .perf-chart-legend  { flex-wrap: wrap; gap: 10px; }
}

/* ── Catch-all: collapse inline multi-column grids ───────────── */
@media (max-width: 768px) {
  [style*="grid-template-columns:repeat(3"],
  [style*="grid-template-columns: repeat(3"],
  [style*="grid-template-columns:repeat(4"],
  [style*="grid-template-columns: repeat(4"],
  [style*="grid-template-columns:1fr 1fr 1fr"],
  [style*="grid-template-columns:1fr 40px 1fr"],
  [style*="grid-template-columns:3fr"],
  [style*="grid-template-columns:2fr"],
  [style*="grid-template-columns:1fr 2fr"],
  [style*="grid-template-columns:64px 1fr"] {
    grid-template-columns: 1fr !important;
  }
  [style*="grid-template-columns:1fr 1fr;"],
  [style*="grid-template-columns:1fr 1fr "] {
    grid-template-columns: 1fr !important;
  }
  /* Remove left-indent on step content when step grid collapses */
  [style*="grid-template-columns:64px 1fr"] > [style*="padding-left:32px"] {
    padding-left: 0 !important;
  }
  /* Charts: allow full-width rendering */
  canvas              { max-height: none !important; }
  .chart-nav-wrap     { height: 44px; }
  .chart-nav-wrap canvas { height: 44px !important; }
}

/* ── CTA dark box: stack on mobile ──────────────────────────── */
@media (max-width: 768px) {
  .cta-dark {
    flex-direction: column !important;
    align-items: flex-start !important;
    padding: 32px 24px !important;
    gap: 20px !important;
  }
}

/* ── Mobile: ≤600px ──────────────────────────────────────────── */
@media (max-width: 600px) {
  :root { --px: 20px; }
  .section, .section-full { padding: 64px var(--px); }

  /* Nav: keep hamburger always visible */
  .nav-right              { gap: 8px; }
  .nav-right .mode-toggle { width: auto; flex-shrink: 0; }
  .nav-right .mode-btn    { padding: 5px 8px; font-size: 8.5px; letter-spacing: 0.5px; }

  /* Footer */
  .footer-top    { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  /* KPI / Charts */
  .perf-kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .perf-chart    { padding: 20px 16px; }
  .kpi-card      { padding: 16px 20px; }
  .kpi-value     { font-size: 22px; }

  /* Images */
  img            { max-width: 100%; height: auto; }
}

/* ── Very small phones: ≤420px ───────────────────────────────── */
@media (max-width: 420px) {
  :root { --px: 16px; }
  .nav-right .mode-toggle { display: none; }
  .perf-kpi-grid          { grid-template-columns: 1fr; }
  .kpi-value              { font-size: 20px; }
}