/* =============================================
   oNeura Demo  —  Professional Redesign
   Typography: Inter (UI/chrome) + IBM Plex Mono (data)
               + Jacquard 24 (hero title only)
   Palette: dark hero / white content sections / teal accent
   ============================================= */

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

:root {
  /* Fonts */
  --font-display: 'Jacquard 24', serif;              /* hero title only */
  --font-ui:      'Inter', system-ui, sans-serif;    /* all chrome/labels */
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Menlo', monospace;

  /* Type Scale */
  --text-xs:   clamp(0.72rem,  0.68rem + 0.2vw,  0.8rem);
  --text-sm:   clamp(0.8rem,   0.76rem + 0.2vw,  0.875rem);
  --text-base: clamp(0.9rem,   0.86rem + 0.2vw,  1rem);
  --text-lg:   clamp(1.05rem,  0.9rem  + 0.75vw, 1.375rem);
  --text-xl:   clamp(1.35rem,  1rem    + 1.25vw, 2rem);
  --text-2xl:  clamp(1.8rem,   1rem    + 2.2vw,  3rem);
  --text-hero: clamp(3.5rem,   1rem    + 7vw,    8rem);

  /* Spacing */
  --space-1:  0.25rem;  --space-2:  0.5rem;   --space-3:  0.75rem;
  --space-4:  1rem;     --space-5:  1.25rem;  --space-6:  1.5rem;
  --space-8:  2rem;     --space-10: 2.5rem;   --space-12: 3rem;
  --space-16: 4rem;     --space-20: 5rem;     --space-24: 6rem;

  /* ── Dark zone (hero + section-dark) ── */
  --dark-bg:          #050a0e;
  --dark-bg-alt:      #070d12;
  --dark-surface:     #0d1825;
  --dark-surface-2:   #121f2e;
  --dark-border:      rgba(255,255,255,0.09);
  --dark-text:        #e8edf5;
  --dark-text-muted:  rgba(232,237,245,0.62);
  --dark-text-faint:  rgba(232,237,245,0.34);
  --dark-accent:      #5eead4;    /* teal on dark */

  /* ── Light zone (default sections) ── */
  --light-bg:         #ffffff;
  --light-bg-alt:     #f5f8fc;
  --light-surface:    #f0f4f9;
  --light-surface-2:  #e8edf5;
  --light-border:     rgba(0,0,0,0.09);
  --light-text:       #08101a;
  --light-text-muted: rgba(8,16,26,0.60);
  --light-text-faint: rgba(8,16,26,0.36);
  --light-accent:     #0d9488;    /* teal on light */

  /* ── Panel (always dark — charts, simulators) ── */
  --panel-bg:         #0d1825;
  --panel-bg-2:       #121f2e;
  --panel-border:     rgba(255,255,255,0.09);
  --panel-text:       #e8edf5;
  --panel-text-muted: rgba(232,237,245,0.60);

  /* ── Data palette (charts only — neon intentional) ── */
  --green:      #00ff88;
  --cyan:       #22d3ee;
  --blue:       #58a6ff;
  --purple:     #bc8cff;
  --yellow:     #ffd24d;
  --red:        #f85149;
  --orange:     #d29922;

  /* Legacy aliases for JS-referenced colors */
  --color-accent:      #5eead4;
  --color-text:        var(--dark-text);
  --color-text-muted:  var(--dark-text-muted);
  --color-text-faint:  var(--dark-text-faint);
  --color-bg:          var(--dark-bg);
  --color-bg-alt:      var(--dark-bg-alt);
  --color-surface:     var(--dark-surface);
  --color-surface-2:   var(--dark-surface-2);
  --color-border:      var(--dark-border);
  --color-border-solid: rgba(255,255,255,0.08);
  --green-dim:         rgba(0,255,136,0.12);
  --green-glow:        rgba(0,255,136,0.20);
  --green-subtle:      rgba(0,255,136,0.04);

  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --radius-xl: 8px;
  --transition: 160ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-wide: 1200px;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
}

body {
  min-height: 100dvh;
  line-height: 1.7;
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--light-text);
  background-color: var(--light-bg);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }
button { cursor: pointer; background: none; border: none; }

a {
  color: var(--light-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: #0f766e; }

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(13,148,136,0.06);
  border: 1px solid rgba(13,148,136,0.18);
  padding: 0.1em 0.35em;
  border-radius: var(--radius-sm);
  color: var(--light-accent);
}

::selection {
  background: rgba(94,234,212,0.25);
  color: #08101a;
}

:focus-visible {
  outline: 2px solid var(--light-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Dark-zone overrides for code/links ── */
.hero code,
.section-dark code {
  background: var(--green-subtle);
  border-color: rgba(0,255,136,0.15);
  color: var(--green);
}
.hero a,
.section-dark a { color: var(--dark-accent); }
.hero a:hover,
.section-dark a:hover { color: #a5f3eb; }

/* ---- Layout ---- */
.container {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) 0;
  position: relative;
  background: var(--light-bg);
  color: var(--light-text);
}

.section-dark {
  background: var(--dark-bg-alt);
  color: var(--dark-text);
}

/* Remove wave dividers — replaced with clean section breaks */
.wave-divider { display: none; }

/* ---- Navigation ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.nav-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 56px;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-brand {
  display: flex;
  align-items: baseline;
  gap: 6px;
  text-decoration: none;
  flex-shrink: 0;
  color: inherit;
}

.brand-prefix,
.brand-label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  color: rgba(8,16,26,0.40);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-parent {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--light-text);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.brand-prefix { margin-right: -2px; }

.nav-links {
  display: flex;
  gap: 2px;
  flex: 0 1 auto;
}

.nav-link {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  color: rgba(8,16,26,0.52);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  letter-spacing: 0.03em;
  white-space: nowrap;
  text-transform: none;
}

.nav-link:hover {
  color: var(--light-text);
  background: rgba(0,0,0,0.05);
}

.nav-link.active {
  color: var(--light-text);
  background: rgba(0,0,0,0.06);
  font-weight: 600;
}

.nav-right {
  display: flex;
  gap: clamp(0.6rem, 0.8vw, 1.1rem);
  flex-shrink: 0;
  margin-left: auto;
  align-items: center;
}

.nav-ext {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  color: rgba(8,16,26,0.45);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.nav-ext:hover { color: var(--light-text); }

/* Nav CTA overrides (colors in HTML kept but normalized) */
.nav-ext[style*="color:#22d3ee"],
.nav-ext[style*="color:#f85149"],
.nav-ext[style*="color:#ffd24d"] {
  color: var(--light-accent) !important;
  font-weight: 600;
}

@media (max-width: 1540px) {
  .nav-inner { padding: 0 var(--space-5); gap: var(--space-3); }
  .nav-link { padding: 5px 8px; }
  .nav-right { gap: 0.7rem; }
}

/* ---- Hero — stays dark with animated Jacquard title ---- */
.hero {
  padding: clamp(var(--space-16), 10vw, var(--space-24)) 0 0;
  position: relative;
  overflow: hidden;
  background: var(--dark-bg);
  color: var(--dark-text);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.hero-brain-wrap {
  opacity: 0.88;
  margin-right: -40px;
}
@media (max-width: 1100px) {
  .hero-brain-wrap { display: none !important; }
}

/* Hero badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  color: var(--dark-text-muted);
  padding: 6px 14px;
  border: 1px solid var(--dark-border);
  border-radius: 999px;
  margin-bottom: var(--space-6);
  letter-spacing: 0.04em;
  background: rgba(255,255,255,0.03);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dark-accent);
  box-shadow: 0 0 6px rgba(94,234,212,0.6);
  animation: pulse 2.4s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

/* Hero title — Jacquard animated gradient (the "old logo" dramatic element) */
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-4);
  background: linear-gradient(90deg,
    #2244cc, #3366ff, #22aadd, #00ddaa, #00ff88,
    #44ffaa, #00ddcc, #2288ee, #4455dd, #2244cc);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: oneura-flow 6s linear infinite;
}
@keyframes oneura-flow {
  0%   { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

/* Hero subtitle */
.hero-subtitle {
  font-family: var(--font-ui);
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.375rem);
  font-weight: 300;
  color: var(--dark-text-muted);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
}

.hero-desc {
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--dark-text-muted);
  max-width: 620px;
  line-height: 1.82;
  margin-bottom: var(--space-8);
}

/* Hero stats */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5) var(--space-6);
  padding-bottom: var(--space-10);
  max-width: 820px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.stat-val {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.6rem);
  font-weight: 400;
  color: var(--dark-accent);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  color: var(--dark-text-faint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.3;
}

/* ---- Section headers ---- */
.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  justify-content: center;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--light-accent);
  flex-shrink: 0;
}

.section-dark .section-number {
  color: var(--dark-accent);
}

.section-tag {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--light-text-faint);
}

.section-dark .section-tag {
  color: var(--dark-text-faint);
}

/* Separator between number and tag */
.section-header::before {
  content: '';
}

.section h2 {
  font-family: var(--font-ui);
  font-size: var(--text-xl);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
  color: var(--light-text);
  text-align: center;
}

.section-dark h2 {
  color: var(--dark-text);
}

.section-desc {
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--light-text-muted);
  max-width: 700px;
  margin-bottom: var(--space-8);
  line-height: 1.82;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-dark .section-desc {
  color: var(--dark-text-muted);
}

.section-title-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.section-title-row h2 {
  margin: 0;
}

/* Source citations */
.source-cite {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--light-text-faint);
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--light-border);
  line-height: 1.7;
}

.section-dark .source-cite,
.hero .source-cite {
  color: var(--dark-text-faint);
  border-top-color: var(--dark-border);
}

/* ---- Buttons ---- */
.section-action-btn {
  display: inline-block;
  margin-top: 20px;
  margin-right: 10px;
  padding: 11px 24px;
  background: transparent;
  border: 1px solid rgba(0,0,0,0.18);
  color: var(--light-text-muted);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  transition: all 0.18s;
  cursor: pointer;
}

.section-action-btn:hover {
  border-color: var(--light-accent);
  color: var(--light-accent);
  background: rgba(13,148,136,0.04);
}

.section-action-btn.teal:hover {
  border-color: #0d9488;
  color: #0d9488;
}

.section-dark .section-action-btn {
  border-color: var(--dark-border);
  color: var(--dark-text-muted);
}

.section-dark .section-action-btn:hover {
  border-color: var(--dark-accent);
  color: var(--dark-accent);
  background: rgba(94,234,212,0.05);
}

/* Hero CTAs */
.hero .section-action-btn {
  border-color: rgba(255,255,255,0.15);
  color: rgba(232,237,245,0.8);
}

.hero .section-action-btn:hover {
  border-color: var(--dark-accent);
  color: var(--dark-accent);
  background: rgba(94,234,212,0.07);
}

/* PLAY LIVE PONG button — keep dramatic in dark section context */
.pong-live-btn {
  display: inline-block;
  padding: 10px 22px;
  background: rgba(248,81,73,0.12);
  border: 1px solid rgba(248,81,73,0.5);
  color: #f85149;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.pong-live-btn:hover {
  background: rgba(248,81,73,0.22);
  border-color: #f85149;
  color: #f85149;
}

/* ---- Arch cards (used in white sections) ---- */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--light-border);
}

.arch-card {
  background: var(--light-bg);
  padding: var(--space-6) var(--space-5);
  text-align: left;
}

.arch-card h3 {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  color: var(--light-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.arch-card p {
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--light-text-muted);
  line-height: 1.82;
}

/* Arch grid and cards inside dark sections */
.section-dark .arch-grid {
  background: var(--dark-border);
}

.section-dark .arch-card {
  background: var(--dark-bg-alt);
}

.section-dark .arch-card h3 {
  color: var(--dark-text);
}

.section-dark .arch-card p {
  color: var(--dark-text-muted);
}

/* ---- HH Simulator — always dark panel ---- */
.sim-container {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-6);
  align-items: start;
}

.sim-controls {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.control-group label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  color: var(--panel-text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.control-group input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 3px;
  background: var(--panel-bg-2);
  border-radius: 2px;
  outline: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--dark-accent);
  cursor: pointer;
  border: 2px solid var(--panel-bg);
}

.control-group input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--dark-accent);
  cursor: pointer;
  border: 2px solid var(--panel-bg);
}

.control-readout {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--dark-accent);
  font-variant-numeric: tabular-nums;
}

/* Drug Buttons */
.drug-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.drug-btn {
  padding: 5px 10px;
  background: var(--panel-bg-2);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  color: var(--panel-text-muted);
  text-align: left;
  transition: all var(--transition);
}

.drug-btn:hover {
  border-color: var(--dark-accent);
  color: var(--panel-text);
}

.drug-btn.active {
  background: rgba(94,234,212,0.12);
  border-color: var(--dark-accent);
  color: var(--dark-accent);
}

.drug-desc {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(94,234,212,0.7);
  margin-top: var(--space-1);
  min-height: 1.4em;
  line-height: 1.4;
}

/* Parameter display */
.param-display {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-top: var(--space-3);
  border-top: 1px solid var(--panel-border);
}

.param-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  padding: 2px 0;
}

.param-name {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--panel-text-muted);
}

.param-val {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--dark-accent);
  font-variant-numeric: tabular-nums;
}

/* Sim Charts */
.sim-charts {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ---- Chart panels — always dark ---- */
.chart-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  overflow: hidden;
}

.chart-panel.wide { width: 100%; }

.chart-label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--panel-text-muted);
  margin-bottom: var(--space-3);
}

.chart-panel canvas { width: 100% !important; }

.chart-panel.wide { position: relative; }
.chart-panel.wide canvas { height: 300px !important; }
.fly-data-grid .chart-panel canvas { height: 250px !important; }

.chart-legend {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--panel-border);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  color: var(--panel-text-muted);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-dot.dashed {
  background: none;
  border: 2px dashed rgba(255,255,255,0.25);
}

.chart-note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--panel-text-muted);
  margin-top: var(--space-3);
  line-height: 1.6;
}

/* ---- Pong Section — dark ---- */
.pong-replay-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.pong-platform-row {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
}

.pong-platform-btn {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  padding: 7px 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--dark-border);
  color: var(--dark-text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.04em;
}

.pong-platform-btn:hover {
  border-color: rgba(94,234,212,0.4);
  color: var(--dark-accent);
}

.pong-platform-btn.active {
  background: rgba(94,234,212,0.08);
  border-color: var(--dark-accent);
  color: var(--dark-accent);
}

.pong-arena-wrap {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #050a0e;
}

.pong-arena-wrap canvas {
  display: block;
  width: 100%;
  cursor: pointer;
}

.pong-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  padding: 0 var(--space-2);
}

.pong-controls-left { display: flex; gap: var(--space-2); }

.pong-ctrl-btn {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--dark-border);
  color: var(--dark-text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.pong-ctrl-btn:hover {
  background: rgba(94,234,212,0.08);
  border-color: var(--dark-accent);
  color: var(--dark-accent);
}

.pong-ctrl-btn.pong-play {
  background: rgba(94,234,212,0.08);
  border-color: var(--dark-accent);
  color: var(--dark-accent);
}

.pong-controls-center {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pong-speed-label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--dark-text-faint);
  text-transform: uppercase;
}

.pong-speed-slider {
  width: 80px;
  accent-color: var(--dark-accent);
}

.pong-speed-readout {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--dark-accent);
  min-width: 28px;
}

.pong-controls-right { display: flex; gap: var(--space-4); }

.pong-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.pong-stat-label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark-text-faint);
}

.pong-stat-val {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--dark-accent);
  font-variant-numeric: tabular-nums;
}

.pong-minichart-wrap {
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.pong-minichart-wrap canvas {
  display: block;
  width: 100%;
  height: 120px;
}

.pong-platform-info {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--dark-text-muted);
  text-align: center;
  padding: var(--space-2) 0;
  max-width: 800px;
  margin: 0 auto;
}

/* ---- Drug Mechanism Cards ---- */
.mechanism-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--light-border);
  margin-top: var(--space-6);
}

.mech-card {
  background: var(--light-bg);
  padding: var(--space-5);
}

.mech-name {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  color: var(--light-text);
  margin-bottom: var(--space-3);
}

.mech-detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--light-text-muted);
  line-height: 1.65;
}

.mech-key {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--light-text-faint);
}

/* ---- Fly Brain ---- */
.fly-data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.fly-experiments h3 {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}

/* ---- Causal Chain ---- */
.causal-chain {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--light-surface);
  border: 1px solid var(--light-border);
  border-radius: var(--radius-lg);
}

.causal-chain h3 {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--light-text-faint);
  margin-bottom: var(--space-5);
  text-align: center;
}

.chain-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.chain-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-3) var(--space-4);
  background: var(--light-bg);
  border: 1px solid var(--light-border);
  border-radius: var(--radius-md);
  min-width: 130px;
}

.chain-title {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  color: var(--light-text);
}

.chain-sub {
  font-size: var(--text-xs);
  font-weight: 300;
  color: var(--light-text-faint);
  margin-top: 2px;
}

.chain-arrow {
  font-size: 1.2rem;
  color: var(--light-accent);
  opacity: 0.7;
}

.chain-note {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 300;
  color: var(--light-text-faint);
  text-align: center;
  margin-top: var(--space-4);
  font-style: italic;
  line-height: 1.7;
}

/* ---- GPU Experiment Stats ---- */
.exp-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--dark-border);
  margin: var(--space-6) 0;
}

.exp-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-4);
  background: var(--dark-surface);
}

.exp-val {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--dark-accent);
  letter-spacing: -0.02em;
}

.exp-lbl {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dark-text-faint);
  margin-top: 4px;
}

/* ---- Vision Stack ---- */
.vision-stack {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin: var(--space-8) auto;
  max-width: 680px;
  background: var(--dark-border);
}

.stack-layer {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: 14px 20px;
  background: var(--dark-bg-alt);
  border-left: 3px solid var(--layer-color, var(--dark-accent));
  transition: background 0.18s;
}

.stack-layer:hover { background: rgba(255,255,255,0.02); }

.stack-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--layer-color, var(--dark-accent));
  min-width: 100px;
  flex-shrink: 0;
}

.stack-desc {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 300;
  color: var(--dark-text-muted);
  line-height: 1.5;
}

/* ---- Applications Grid ---- */
.vision-subhead {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dark-text-faint);
  margin: var(--space-12) 0 var(--space-6);
  text-align: center;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--dark-border);
}

.app-card {
  padding: var(--space-6);
  background: var(--dark-bg-alt);
  transition: background 0.18s;
  text-align: center;
}

.app-card:hover { background: rgba(255,255,255,0.02); }

.app-icon {
  font-size: 1.4rem;
  color: var(--dark-accent);
  margin-bottom: var(--space-3);
  opacity: 0.7;
}

.app-title {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  color: var(--dark-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}

.app-hint {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 300;
  color: var(--dark-text-muted);
  line-height: 1.7;
}

/* ---- NeuPharma block ---- */
.vision-coming-soon {
  margin-top: var(--space-8);
  padding: var(--space-8) var(--space-6);
  border: 1px solid rgba(94,234,212,0.18);
  background: rgba(94,234,212,0.03);
  text-align: center;
}

.coming-soon-badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dark-accent);
  border: 1px solid rgba(94,234,212,0.28);
  padding: 4px 14px;
  margin-bottom: var(--space-4);
}

.coming-soon-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--dark-accent);
  margin-bottom: var(--space-3);
}

.coming-soon-desc {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 300;
  color: var(--dark-text-muted);
  line-height: 1.75;
  max-width: 600px;
  margin: 0 auto;
}

.coming-soon-stats {
  margin-top: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.cs-stat {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dark-text-muted);
}

.cs-stat strong { color: var(--dark-accent); }

.cs-stat-sep {
  color: rgba(94,234,212,0.25);
  font-size: 10px;
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid rgba(0,0,0,0.08);
  padding: var(--space-8) 0;
  background: var(--light-bg);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-left {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--light-text);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--light-text-faint);
}

.footer-right {
  display: flex;
  gap: var(--space-5);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
}

.footer-right a {
  color: var(--light-text-faint);
  transition: color var(--transition);
}

.footer-right a:hover { color: var(--light-text); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .sim-container { grid-template-columns: 1fr; }
  .arch-grid     { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .mechanism-grid    { grid-template-columns: 1fr; }
  .fly-data-grid     { grid-template-columns: 1fr; }
  .chain-row         { flex-direction: column; }
  .chain-arrow       { transform: rotate(90deg); }
  .nav-links         { display: none; }
  .nav-right         { margin-left: auto; }
}

@media (max-width: 768px) {
  .app-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .pong-controls-row {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
  }
  .pong-controls-left,
  .pong-controls-center,
  .pong-controls-right { justify-content: center; }
  .pong-platform-row   { flex-wrap: wrap; }
}

@media (max-width: 600px) {
  .container         { padding: 0 var(--space-4); }
  .hero-stats-row    { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
  .nav-right         { gap: var(--space-3); }
}

@media (max-width: 480px) {
  .app-grid { grid-template-columns: 1fr; }
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---- Benchmark cards (bench-card, etc.) ---- */
.benchmark-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--dark-border);
}

.bench-card {
  background: var(--dark-surface);
  padding: var(--space-5);
}

.bench-card.highlight {
  background: rgba(94,234,212,0.04);
}

.bench-platform {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dark-text-faint);
  margin-bottom: var(--space-4);
}

.bench-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.bench-metric { display: flex; flex-direction: column; }

.bench-num {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 0.9rem + 0.5vw, 1.5rem);
  font-weight: 500;
  color: var(--dark-text);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.bench-sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--dark-text-faint);
}

@media (max-width: 900px) {
  .benchmark-cards { grid-template-columns: 1fr; }
}