/* ================================================================
   meowmeowz.com — Nothing Design System
   Monochrome, typographic, industrial. Zero shadows. Zero glow.
   Zero gradients in chrome. One red accent per screen max.
   ================================================================ */

:root {
  /* ---- Color — Nothing Dark Mode ---- */
  --black:        #000000;
  --surface:      #111111;
  --surface-raised: #1A1A1A;
  --border:       #222222;
  --border-visible: #333333;
  --text-disabled: #666666;
  --text-secondary: #999999;
  --text-primary: #E8E8E8;
  --text-display: #FFFFFF;

  /* Accent — red signal light, ONE per screen */
  --accent:       #D71921;
  --accent-subtle: rgba(215, 25, 33, 0.15);

  /* Status (data encoding only — apply to VALUE, not label) */
  --success:      #4A9E5C;
  --warning:      #D4A843;
  --error:        #D71921;
  --interactive:  #5B9BF6;

  /* ---- Typography ---- */
  --font-display: 'Space Grotesk', 'DM Sans', system-ui, sans-serif;
  --font-body:    'Space Grotesk', 'DM Sans', system-ui, sans-serif;
  --font-mono:    'Space Mono', 'JetBrains Mono', monospace;

  /* Type scale */
  --display-xl:   72px;
  --display-lg:   48px;
  --heading:      24px;
  --subheading:   18px;
  --body:         16px;
  --body-sm:      14px;
  --caption:      12px;
  --label:        11px;

  /* ---- Spacing (8px base) ---- */
  --space-2xs: 2px;
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* ---- Motion ---- */
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --duration-micro: 200ms;
  --duration-base:  300ms;

  /* ---- Legacy compat (mapped to Nothing tokens) ---- */
  --bg: var(--surface);
  --bg-soft: var(--surface-raised);
  --panel: rgba(17, 17, 17, 0.92);
  --panel-strong: rgba(17, 17, 17, 0.97);
  --text: var(--text-primary);
  --muted: var(--text-secondary);
  --cyan: var(--accent);
  --border-default: var(--border);
  --border-subtle: var(--border);
  --border-strong: var(--border-visible);
  --border-interactive: var(--border-visible);
  --bg-overlay: var(--surface-raised);
  --bg-void: var(--black);
  --bg-surface: var(--surface);
  --bg-card: var(--surface);
  --bg-elevated: var(--surface-raised);
  --font-sans: var(--font-body);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--body);
  line-height: 1.5;
  background: var(--black);
  color: var(--text);
}

/* Dot-grid background — Nothing motif */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, var(--border) 0.75px, transparent 0.75px);
  background-size: 16px 16px;
  opacity: 0.4;
  z-index: 0;
}

/* ===== SITE HEADER ===== */

.mobile-menu-toggle {
  display: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.site-header-logo {
  color: var(--text-display);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: var(--subheading);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.site-header-nav {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.site-header-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: var(--caption);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color var(--duration-micro) var(--ease);
}

.site-header-nav a:hover,
.site-header-nav a:focus-visible {
  color: var(--text-display);
}

.site-header-hamburger {
  display: none;
  flex-direction: column;
  gap: var(--space-xs);
  cursor: pointer;
  padding: var(--space-xs);
}

.site-header-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: background var(--duration-micro) var(--ease);
}

.site-header-hamburger:hover span {
  background: var(--text-display);
}

/* ===== SITE SHELL ===== */

.site-shell {
  width: min(1120px, calc(100% - var(--space-xl)));
  margin: 0 auto;
  padding: 80px 0 var(--space-3xl);
  position: relative;
  z-index: 1;
}

/* ===== PANELS ===== */

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.inset {
  background: var(--panel-strong);
}

/* ===== HERO ===== */

.hero {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: var(--space-lg);
  padding: var(--space-3xl);
  align-items: center;
}

.hero-copy h1,
.section-heading h2,
.feature-card h2,
.game-card h3,
.game-layout h1,
.meta-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 11ch;
  color: var(--text-display);
}

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-size: var(--label);
  margin: 0 0 var(--space-md);
}

.hero-text,
.section-heading p,
.game-card p,
.feature-card p,
.meta-card p,
.status-line,
.scoreboard p,
.instructions li,
.deploy-note p,
.footer-note {
  color: var(--text-secondary);
  line-height: 1.65;
  font-size: var(--body);
}

.hero-actions,
.game-meta-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

/* ===== BUTTONS ===== */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 var(--space-md);
  border-radius: 999px;
  border: 1px solid var(--border-visible);
  color: var(--text-primary);
  text-decoration: none;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: var(--caption);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: border-color var(--duration-micro) var(--ease), color var(--duration-micro) var(--ease);
}

.button:hover,
.button:focus-visible {
  border-color: var(--text-primary);
  color: var(--text-display);
}

.button.primary {
  color: var(--text-display);
  background: var(--accent);
  border-color: var(--accent);
}

.button.primary:hover,
.button.primary:focus-visible {
  border-color: var(--text-display);
  color: var(--text-display);
}

/* ===== HERO ART ===== */

.hero-art {
  min-height: 360px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  transform: perspective(700px) rotateX(72deg) translateY(34%);
  transform-origin: center top;
  opacity: 0.5;
}

.cat-badge {
  display: none;
}

/* Orbs — now muted, monochrome rectangles (industrial) */
.pixel-orb {
  position: absolute;
  border-radius: 4px;
  border: 1px solid var(--border-visible);
}

.orb-a {
  width: 88px;
  height: 88px;
  background: var(--surface-raised);
  left: 16%;
  top: 18%;
}

.orb-b {
  width: 48px;
  height: 48px;
  background: var(--border-visible);
  right: 24%;
  top: 38%;
}

.orb-c {
  width: 118px;
  height: 118px;
  background: var(--surface);
  border-color: var(--border);
  left: 36%;
  bottom: 14%;
}

/* ===== HERO MASCOT ===== */

.hero-mascot {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(3.5rem, 8vw, 6rem);
  color: var(--text-display);
  user-select: none;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ===== SECTIONS ===== */

.section-block {
  margin-top: var(--space-lg);
  padding: var(--space-3xl);
}

/* ===== GAME GRID ===== */

.game-grid,
.feature-strip {
  display: grid;
  gap: var(--space-md);
}

.game-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--space-lg);
}

.game-card,
.feature-card,
.meta-card,
.deploy-note {
  padding: var(--space-lg);
  border-radius: 8px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  transition: border-color var(--duration-base) var(--ease);
}

.game-card.active:hover {
  border-color: var(--border-visible);
}

.card-topline {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: var(--space-xs) var(--space-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
}

.status-pill.live {
  border-color: var(--accent);
  color: var(--accent);
}

.status-pill.queued {
  border-color: var(--warning);
  color: var(--warning);
}

.game-card ul,
.instructions ul {
  padding-left: var(--space-lg);
  color: var(--text-secondary);
  font-size: var(--body-sm);
}

.game-card li {
  margin-bottom: var(--space-xs);
}

/* ===== FEATURE STRIP ===== */

.feature-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-lg);
}

.feature-card h2 {
  font-size: var(--heading);
  letter-spacing: -0.01em;
  color: var(--text-display);
  margin-bottom: var(--space-sm);
}

/* ===== GAME LAYOUT (game pages) ===== */

.page-nav {
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--caption);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-nav a {
  color: var(--interactive);
  text-decoration: none;
}

.page-nav a:hover {
  color: var(--text-display);
}

.game-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: var(--space-lg);
}

.game-layout h1 {
  font-size: var(--heading);
  letter-spacing: -0.01em;
  color: var(--text-display);
}

.arcade-frame {
  padding: var(--space-md);
}

.canvas-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-visible);
  background: var(--black);
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}

.status-line {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--caption);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.sidebar-stack {
  display: grid;
  gap: var(--space-md);
}

.scoreboard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.score-slot {
  padding: var(--space-md);
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.score-slot-label {
  font-family: var(--font-mono);
  font-size: var(--label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.score-slot strong {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--display-lg);
  letter-spacing: -0.02em;
  margin-top: var(--space-xs);
  color: var(--text-display);
}

.kbd {
  display: inline-flex;
  align-items: center;
  min-width: 2.1em;
  justify-content: center;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  background: var(--surface);
  border: 1px solid var(--border-visible);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* ===== FOOTER ===== */

.footer-note {
  margin-top: var(--space-md);
  font-size: var(--body-sm);
  color: var(--text-secondary);
}

.site-footer {
  margin-top: var(--space-3xl);
  padding: 0 0 var(--space-lg);
  text-align: center;
}

.footer-divider {
  height: 1px;
  background: var(--border-visible);
  margin-bottom: var(--space-lg);
  opacity: 0.5;
}

.site-footer .footer-note {
  font-family: var(--font-mono);
  font-size: var(--label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-disabled);
  margin-top: 0;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 900px) {
  .hero,
  .game-layout,
  .feature-strip,
  .game-grid {
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 240px;
  }

  .site-header-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--panel-strong);
    border-bottom: 1px solid var(--border);
    padding: 0 var(--space-md);
    gap: 0;
  }

  .site-header-nav a {
    display: block;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border);
    font-size: var(--body-sm);
  }

  #mobile-menu-toggle:checked ~ .site-header .site-header-nav {
    display: flex;
  }

  .site-header-hamburger {
    display: flex;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(calc(100% - var(--space-lg)), 1120px);
    padding-top: var(--space-lg);
  }

  .hero,
  .section-block,
  .arcade-frame,
  .meta-card,
  .deploy-note {
    padding: var(--space-md);
  }

  .hero-copy h1 {
    max-width: none;
  }

  .feature-strip {
    grid-template-columns: 1fr;
  }
}