/* ==========================================================================
   Zyntra.win — Singularity Dark Design System (PeerJS + MashClient Aesthetic)
   ========================================================================== */

:root {
  color-scheme: dark;

  /* Core Surfaces */
  --bg-void: #040406;
  --surface-glass: rgba(12, 12, 16, 0.72);
  --surface-card: rgba(15, 15, 20, 0.82);
  --surface-elevated: rgba(22, 22, 29, 0.92);
  --surface-code: #0c0c10;

  /* Typography (WCAG AA >= 4.5:1 verified against dark surfaces) */
  --text-primary: #f8fafc;
  --text-secondary: #c4c4cf;
  --text-muted: #9898a6;

  /* Singularity Amber / Gold Palette (from MashClient v4.4.0) */
  --amber-200: #fde68a;
  --amber-300: #fcd34d;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
  --orange-500: #f97316;
  --emerald-400: #34d399;
  --sky-400: #38bdf8;
  --violet-400: #a78bfa;

  /* Borders & Hairlines */
  --border-hairline: rgba(255, 255, 255, 0.09);
  --border-hover: rgba(255, 255, 255, 0.18);
  --border-amber: rgba(245, 158, 11, 0.45);

  /* Layout & Radii */
  --container-max: 1220px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 9999px;

  /* Fonts */
  --font-sans: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background-color: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  @media (prefers-reduced-motion: no-preference) {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  background-color: var(--bg-void);
}

/* Focus Ring */
:focus-visible {
  outline: 2px solid var(--amber-400);
  outline-offset: 3px;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
  color: inherit;
}

code,
pre {
  font-family: var(--font-mono);
}

/* Skip Link */
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--amber-500);
  color: #09090b;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 14px;
}

/* ==========================================================================
   Cosmic Background Layers (WebGL Schwarzschild Black Hole + PeerJS Grid)
   ========================================================================== */

.cosmic-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

#blackhole-canvas {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0.92;
}

/* PeerJS-inspired ultra-subtle architectural grid */
.architectural-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000 20%, transparent 85%);
}

/* Readability vignette so foreground content stays razor-sharp while letting the Black Hole shine on the right */
.backdrop-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 22% 42%, rgba(4, 4, 6, 0.78) 0%, rgba(4, 4, 6, 0.14) 52%, rgba(4, 4, 6, 0.48) 100%),
    linear-gradient(180deg, rgba(4, 4, 6, 0.36) 0%, rgba(4, 4, 6, 0.06) 42%, rgba(4, 4, 6, 0.72) 86%, #040406 100%);
}

/* ==========================================================================
   Top Navigation Bar (PeerJS + MashClient Hybrid Header)
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px) saturate(140%);
  background: rgba(6, 6, 9, 0.72);
  border-bottom: 1px solid var(--border-hairline);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 0.96rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-icon {
  width: 28px;
  height: 28px;
  flex: none;
}

.brand-domain {
  color: var(--amber-400);
  letter-spacing: 0.04em;
  font-weight: 600;
  text-transform: lowercase;
  font-size: 0.85rem;
}

.primary-nav ul {
  list-style: none;
  margin: 0;
  padding: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(18, 18, 24, 0.75);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-pill);
}

.primary-nav a {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.18s ease, background-color 0.18s ease;
}

.primary-nav a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(20, 20, 27, 0.85);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.icon-pill-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: rgba(28, 28, 38, 0.92);
}

.kbd-group {
  display: inline-flex;
  gap: 3px;
}

kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-secondary);
}

.github-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
  border: 1px solid var(--border-hairline);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.github-nav-link:hover {
  border-color: var(--border-amber);
  background: rgba(245, 158, 11, 0.1);
}

/* ==========================================================================
   Main Layout & Hero Section (Split PeerJS Layout over Spinning Black Hole)
   ========================================================================== */

main,
.site-footer {
  position: relative;
  z-index: 2;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.hero-section {
  padding: 76px 0 88px;
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
}

.hero-copy {
  max-width: 600px;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  background: rgba(245, 158, 11, 0.13);
  border: 1px solid rgba(245, 158, 11, 0.36);
  color: var(--amber-300);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber-400);
  box-shadow: 0 0 10px var(--amber-400);
}

.hero-title {
  margin: 0 0 20px;
  font-size: clamp(2.45rem, 4.6vw, 3.85rem);
  line-height: 1.07;
  letter-spacing: -0.035em;
  font-weight: 800;
}

.text-gradient-singularity {
  background: linear-gradient(95deg, #fde68a 0%, #f59e0b 48%, #ea580c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin: 0 0 30px;
  max-width: 540px;
  font-size: 1.05rem;
  line-height: 1.68;
  color: var(--text-secondary);
}

.hero-lead strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  background: linear-gradient(135deg, #fbbf24 0%, #ea580c 100%);
  color: #09090b;
  font-weight: 700;
  font-size: 0.93rem;
  border: 1px solid rgba(254, 243, 199, 0.4);
  cursor: pointer;
  transition: filter 0.18s ease, transform 0.18s ease;
}

.btn-primary:hover {
  filter: brightness(1.08);
  @media (prefers-reduced-motion: no-preference) {
    transform: translateY(-1px);
  }
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  background: rgba(18, 18, 24, 0.78);
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.93rem;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.btn-secondary:hover {
  background: rgba(30, 30, 40, 0.92);
  border-color: rgba(255, 255, 255, 0.32);
}

.hero-meta-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--border-hairline);
  font-size: 0.83rem;
  color: var(--text-muted);
}

.creator-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 11px 4px 5px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-hairline);
  color: var(--text-primary);
  font-weight: 600;
}

.creator-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(251, 191, 36, 0.5);
}

/* ==========================================================================
   Hero Interactive Showcase Window (PeerJS Window + MashClient HUD Replica)
   ========================================================================== */

.showcase-window {
  background: rgba(11, 11, 15, 0.84);
  backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.75),
    0 0 0 1px rgba(245, 158, 11, 0.08);
  overflow: hidden;
}

.window-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px 0;
  background: rgba(18, 18, 24, 0.92);
  border-bottom: 1px solid var(--border-hairline);
}

.traffic-lights {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 10px;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #22c55e; }

/* Accessible Tablist following modern-web-guidance `tabs` */
.window-tablist {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.window-tablist::-webkit-scrollbar {
  display: none;
}

.window-tablist [role="tab"] {
  position: relative;
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px 11px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
  transition: color 0.16s ease;
}

.window-tablist [role="tab"]:hover {
  color: var(--text-primary);
}

/* Selected tab uses shape (underline border) + color — never color alone */
.window-tablist [role="tab"][aria-selected="true"] {
  color: var(--amber-300);
}

.window-tablist [role="tab"][aria-selected="true"]::after {
  content: "";
  position: absolute;
  inset: auto 8px 0;
  border-block-end: 2px solid var(--amber-400);
}

/* Panels share grid cell; inner wrapper holds padding so hidden="until-found" renders zero empty space */
.window-panels {
  display: grid;
}

.window-panels > [role="tabpanel"] {
  grid-area: 1 / 1;
}

.tabpanel-inner {
  padding: 20px;
  min-height: 356px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Tab 1: MashClient v4.4.0 Interactive Launcher Replica */
.launcher-preview {
  position: relative;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 64% 46%, rgba(254, 243, 199, 0.22) 0%, rgba(245, 158, 11, 0.24) 24%, rgba(120, 53, 15, 0.16) 46%, rgba(7, 7, 10, 0.96) 76%),
    #07070a;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow: hidden;
}

.launcher-ring-deco {
  position: absolute;
  right: 12%;
  top: 50%;
  width: 196px;
  height: 196px;
  transform: translateY(-50%) rotate(-14deg);
  border-radius: 50%;
  background: #020203;
  box-shadow:
    0 0 0 2px rgba(254, 243, 199, 0.78),
    0 0 28px 6px rgba(245, 158, 11, 0.46),
    inset 0 0 18px #000;
  pointer-events: none;
  opacity: 0.85;
}

.launcher-ring-deco::after {
  content: "";
  position: absolute;
  left: -38px;
  right: -38px;
  top: 52%;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(90deg, rgba(146, 64, 14, 0.25), rgba(245, 158, 11, 0.88), #fef3c7, rgba(217, 119, 6, 0.4));
  filter: blur(1.5px);
}

.mc-hud-top,
.mc-hud-body,
.mc-hud-bottom {
  position: relative;
  z-index: 1;
}

.mc-hud-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.mc-brand {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--text-primary);
}

.mc-nav-pills {
  display: flex;
  gap: 4px;
  padding: 3px;
  border-radius: var(--radius-pill);
  background: rgba(14, 14, 18, 0.82);
  border: 1px solid var(--border-hairline);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.mc-nav-pills span {
  padding: 3px 9px;
  border-radius: var(--radius-pill);
}

.mc-nav-pills span.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  font-weight: 600;
}

.mc-status-badges {
  display: flex;
  align-items: center;
  gap: 6px;
}

.mc-update-pill {
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  background: rgba(245, 158, 11, 0.16);
  border: 1px solid rgba(245, 158, 11, 0.48);
  color: var(--amber-300);
  font-size: 0.69rem;
  font-weight: 600;
}

.mc-user-pill {
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  background: rgba(20, 20, 26, 0.9);
  border: 1px solid var(--border-hairline);
  font-size: 0.7rem;
  font-weight: 600;
}

.mc-hud-body {
  padding: 14px 0 6px;
}

.mc-big-title {
  margin: 0 0 10px;
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.mc-profile-selector {
  display: inline-flex;
  padding: 3px;
  border-radius: var(--radius-sm);
  background: rgba(12, 12, 16, 0.88);
  border: 1px solid var(--border-hairline);
  gap: 4px;
}

.mc-profile-btn {
  padding: 5px 11px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.16s ease;
}

.mc-profile-btn[aria-pressed="true"] {
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(245, 158, 11, 0.55);
  color: var(--amber-300);
}

.mc-telemetry-bar {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.mc-stat-box {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: rgba(10, 10, 14, 0.82);
  border: 1px solid var(--border-hairline);
}

.mc-stat-label {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.mc-stat-value {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--amber-300);
}

.mc-hud-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.mc-account-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 0.72rem;
}

.mc-chip {
  padding: 4px 9px;
  border-radius: 6px;
  background: rgba(22, 22, 29, 0.88);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
}

.mc-chip.active {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.25);
  font-weight: 700;
}

.mc-play-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  border-radius: 8px;
  background: linear-gradient(180deg, #f5be4f 0%, #d99126 100%);
  color: #09090b;
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.mc-play-cta:hover {
  filter: brightness(1.07);
}

/* Code Preview Blocks (PeerJS app.js dark syntax style) */
.code-pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.copy-mini-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  font-size: 0.74rem;
  cursor: pointer;
}

.copy-mini-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-amber);
}

.code-block {
  margin: 0;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--surface-code);
  border: 1px solid var(--border-hairline);
  overflow-x: auto;
  font-size: 0.81rem;
  line-height: 1.65;
  color: #e4e4e7;
}

.tok-kw { color: #60a5fa; }
.tok-fn { color: #fbbf24; }
.tok-str { color: #34d399; }
.tok-cm { color: #71717a; font-style: italic; }
.tok-ty { color: #c084fc; }
.tok-num { color: #fb923c; }

/* ==========================================================================
   Section Headers
   ========================================================================== */

.section-block {
  padding: 88px 0;
}

.section-header {
  max-width: 680px;
  margin-bottom: 48px;
}

.section-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber-400);
  margin-bottom: 10px;
}

.section-title {
  margin: 0 0 14px;
  font-size: clamp(1.85rem, 3.2vw, 2.55rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  font-weight: 800;
}

.section-subtitle {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ==========================================================================
   3 Flagship GitHub Projects Cards
   ========================================================================== */

.projects-stack {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.project-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 32px;
  padding: 32px;
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border-hairline);
  transition: border-color 0.22s ease, box-shadow 0.22s ease;
}

.project-card:hover {
  border-color: rgba(245, 158, 11, 0.36);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

.project-top-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.repo-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-primary);
}

.version-pill {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(245, 158, 11, 0.14);
  border: 1px solid rgba(245, 158, 11, 0.42);
  color: var(--amber-300);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
}

.project-name {
  margin: 0 0 10px;
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.project-desc {
  margin: 0 0 20px;
  color: var(--text-secondary);
  font-size: 0.96rem;
}

.feature-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.feature-list li strong {
  color: var(--text-primary);
}

.check-icon {
  width: 18px;
  height: 18px;
  flex: none;
  color: var(--amber-400);
  margin-top: 3px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.tech-tag {
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Right-side visual modules inside each Project Card */
.project-visual-panel {
  border-radius: var(--radius-lg);
  background: rgba(9, 9, 13, 0.88);
  border: 1px solid var(--border-hairline);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-hairline);
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--emerald-400);
  font-weight: 600;
}

.live-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald-400);
}

/* Benchmark Bars for ProjectFPS */
.bench-group {
  display: grid;
  gap: 14px;
}

.bench-row {
  display: grid;
  gap: 6px;
}

.bench-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
}

.bench-bar-track {
  height: 9px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.bench-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
}

.fill-mash {
  width: 94%;
  background: linear-gradient(90deg, #f59e0b, #fde68a);
}

.fill-vanilla {
  width: 31%;
  background: rgba(255, 255, 255, 0.24);
}

.tnt-widget {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.28);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* Voice Room Preview for MashVoice */
.voice-peers {
  display: grid;
  gap: 10px;
}

.peer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: rgba(20, 20, 28, 0.85);
  border: 1px solid var(--border-hairline);
}

.peer-row.speaking {
  border-color: rgba(52, 211, 153, 0.45);
}

.peer-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  font-weight: 600;
}

.peer-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(52, 211, 153, 0.14);
  color: var(--emerald-400);
}

.clone-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  background: #060609;
  border: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-secondary);
}

.clone-strip code {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Skill Modules Grid for GeminiSkills */
.skills-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.skill-tile {
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  background: rgba(20, 20, 28, 0.85);
  border: 1px solid var(--border-hairline);
}

.skill-tile-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--amber-300);
  margin-bottom: 4px;
}

.skill-tile-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Singularity Interactive Lab & Ecosystem Bento
   ========================================================================== */

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.bento-card {
  padding: 26px;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-hairline);
}

.bento-card.span-2 {
  grid-column: span 2;
}

.bento-title {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 700;
}

.bento-text {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.singularity-controls {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-group label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.control-group input[type="range"] {
  width: 100%;
  accent-color: var(--amber-500);
  cursor: pointer;
}

/* ==========================================================================
   Native Exclusive Accordion (<details name="zyntra-faq">)
   ========================================================================== */

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 860px;
}

.faq-list details {
  border-radius: var(--radius-md);
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  padding: 0 20px;
  transition: border-color 0.18s ease;
}

.faq-list details[open] {
  border-color: rgba(245, 158, 11, 0.42);
}

.faq-list summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  font-weight: 700;
  font-size: 0.98rem;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--amber-400);
  transition: transform 0.2s ease;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-body {
  padding: 0 0 18px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  margin-top: 48px;
  border-top: 1px solid var(--border-hairline);
  background: rgba(5, 5, 8, 0.88);
  padding: 48px 0 36px;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--amber-300);
}

/* ==========================================================================
   Native Modal Command Palette (<dialog closedby="any">)
   ========================================================================== */

.cmd-dialog {
  width: min(580px, calc(100vw - 32px));
  padding: 0;
  border-radius: var(--radius-lg);
  background: #101016;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.85);
  @media (prefers-reduced-motion: no-preference) {
    transition: opacity 0.18s ease-out, transform 0.18s ease-out, display 0.18s, overlay 0.18s;
    transition-behavior: allow-discrete;
  }
}

.cmd-dialog[open] {
  opacity: 1;
  transform: scale(1);
  @media (prefers-reduced-motion: no-preference) {
    @starting-style {
      opacity: 0;
      transform: scale(0.97);
    }
  }
}

.cmd-dialog::backdrop {
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(5px);
}

.cmd-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-hairline);
}

.cmd-search-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
}

.cmd-input {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
}

.cmd-close-btn {
  padding: 5px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  font-size: 0.76rem;
  cursor: pointer;
}

.cmd-list {
  list-style: none;
  margin: 0;
  padding: 10px;
  max-height: 340px;
  overflow-y: auto;
  display: grid;
  gap: 4px;
}

.cmd-item-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  text-align: left;
  cursor: pointer;
}

.cmd-item-btn:hover,
.cmd-item-btn:focus-visible {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
}

.cmd-item-sub {
  display: block;
  font-size: 0.76rem;
  color: var(--text-muted);
}

.cmd-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber-300);
}

/* Utility & Semantic Helper Classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-amber {
  color: var(--amber-300);
}

.dot-emerald {
  background: var(--emerald-400);
  box-shadow: none;
}

.peer-ram-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
}

.peer-ram-val {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--amber-300);
}

.bento-lead-spaced {
  margin-bottom: 16px;
}

.btn-full {
  width: 100%;
}

.footer-caption {
  margin: 6px 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Toast Notification */
.copy-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: #14141c;
  border: 1px solid var(--border-amber);
  color: var(--amber-200);
  font-size: 0.84rem;
  font-weight: 600;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}

/* ==========================================================================
   Forced Colors Mode (Windows High Contrast Accessibility)
   ========================================================================== */

@media (forced-colors: active) {
  .text-gradient-singularity {
    background: none;
    color: CanvasText;
  }
  .btn-primary {
    background: Highlight;
    color: HighlightText;
    border: 1px solid ButtonText;
  }
  .project-card,
  .bento-card,
  .showcase-window {
    border: 1px solid CanvasText;
  }
  .window-tablist [role="tab"][aria-selected="true"]::after {
    border-block-end-color: Highlight;
  }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid,
  .project-card {
    grid-template-columns: 1fr;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-card.span-2 {
    grid-column: span 1;
  }
  .singularity-controls {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .primary-nav {
    display: none;
  }
  .hero-section {
    padding: 44px 0 64px;
    min-height: auto;
  }
  .project-card {
    padding: 22px;
  }
  .kbd-group {
    display: none;
  }
}