/* ============================================================
   K4H Mockup Styles
   Shared by all .html files in this directory.
   Design tokens match the plan's Tailwind v4 @theme block.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Brand - K4H electric blue */
  --color-accent:        oklch(0.68 0.21 245);
  --color-accent-hover:  oklch(0.74 0.20 245);
  --color-accent-fg:     oklch(0.14 0.03 245);
  --color-accent-glow:   oklch(0.68 0.21 245 / 0.35);

  /* Surfaces (dark only, no light toggle) */
  --color-background:    oklch(0.13 0.01 240);
  --color-surface:       oklch(0.18 0.015 240);
  --color-surface-2:     oklch(0.22 0.015 240);
  --color-surface-3:     oklch(0.26 0.02 240);
  --color-border:        oklch(0.30 0.02 240);
  --color-border-strong: oklch(0.45 0.03 240);

  /* Text */
  --color-foreground:    oklch(0.96 0.01 240);
  --color-muted-fg:      oklch(0.70 0.02 240);
  --color-faint-fg:      oklch(0.55 0.02 240);

  /* Semantic */
  --color-success:       oklch(0.72 0.18 145);
  --color-warning:       oklch(0.78 0.16 75);
  --color-danger:        oklch(0.65 0.22 25);

  /* Typography */
  --font-display: 'Chakra Petch', system-ui, sans-serif;
  --font-sans:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 14px;

  /* Transitions */
  --t-fast: 150ms ease;
  --t-base: 250ms ease;
  --t-slow: 400ms ease;
}

/* ---- Resets ---- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { height: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  background: var(--color-background);
  color: var(--color-foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

/* Retro grid background layer (site-wide, subtle) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(oklch(0.40 0.06 245 / 0.18) 1px, transparent 1px),
    linear-gradient(90deg, oklch(0.40 0.06 245 / 0.18) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image:
    radial-gradient(ellipse 60% 40% at 20% 15%, black 5%, transparent 70%),
    radial-gradient(ellipse 45% 40% at 80% 35%, black 6%, transparent 65%),
    radial-gradient(ellipse 55% 40% at 50% 85%, black 8%, transparent 68%);
  -webkit-mask-image:
    radial-gradient(ellipse 60% 40% at 20% 15%, black 5%, transparent 70%),
    radial-gradient(ellipse 45% 40% at 80% 35%, black 6%, transparent 65%),
    radial-gradient(ellipse 55% 40% at 50% 85%, black 8%, transparent 68%);
}

body > * { position: relative; z-index: 1; }

img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.005em;
  color: var(--color-foreground);
}

h1 { font-size: clamp(2.75rem, 7vw, 5.5rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-muted-fg); }

p { color: var(--color-foreground); }
p.muted { color: var(--color-muted-fg); }
p.lead { font-size: 1.125rem; color: var(--color-muted-fg); max-width: 56ch; }

a { color: var(--color-accent); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--color-accent-hover); }

.mono { font-family: var(--font-mono); }
.display { font-family: var(--font-display); }
.tabular { font-variant-numeric: tabular-nums; }
.upper { text-transform: uppercase; letter-spacing: 0.08em; }

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section { padding-block: clamp(3rem, 6vw, 5rem); }
.section-tight { padding-block: 2rem; }

.grid { display: grid; gap: 1.5rem; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

/* ---- Site header ---- */
.site-header {
  padding-block: 1rem;
  border-bottom: 1px solid var(--color-border);
  background: oklch(0.13 0.01 240 / 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-foreground);
  display: inline-flex;
  align-items: baseline;
  gap: 0.1em;
}
.logo:hover { color: var(--color-foreground); }
.logo .mark { color: var(--color-accent); }

.site-nav {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.site-nav a {
  color: var(--color-muted-fg);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-md);
  position: relative;
  transition: background var(--t-fast), color var(--t-fast);
}
.site-nav a:hover { color: var(--color-foreground); background: var(--color-surface); }
.site-nav a.active {
  color: var(--color-foreground);
  background: var(--color-surface);
}
.site-nav a.active::after {
  content: '';
  position: absolute;
  left: 0.875rem;
  right: 0.875rem;
  bottom: 0.25rem;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.nav-cta { margin-left: 0.75rem; }

/* ---- "est. 1998" badge ---- */
.est-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.75rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-faint-fg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.est-badge::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--color-accent);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.375rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--t-fast), background var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast), color var(--t-fast);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-fg);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-accent-fg);
  transform: translateY(-1px);
  box-shadow: 0 10px 28px var(--color-accent-glow);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-foreground);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border-strong);
  color: var(--color-foreground);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-foreground);
}
.btn-ghost:hover { background: var(--color-surface); color: var(--color-foreground); }

.btn-sm { padding: 0.5rem 0.9rem; font-size: 0.875rem; }

/* ---- Cards ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
}

.card:hover { border-color: var(--color-border-strong); }

.card-glow {
  position: relative;
  overflow: hidden;
}
.card-glow::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(from var(--angle, 0deg),
    transparent 0%, transparent 30%,
    var(--color-accent) 45%, var(--color-accent) 55%,
    transparent 70%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.5;
  animation: rotate-angle 5s linear infinite;
  pointer-events: none;
}
@property --angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}
@keyframes rotate-angle { to { --angle: 360deg; } }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  gap: 0.75rem;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted-fg);
}

/* ---- Status indicators ---- */
.status-dot {
  display: inline-block;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--color-muted-fg);
  flex-shrink: 0;
}
.status-dot.online {
  background: var(--color-success);
  box-shadow: 0 0 0 3px oklch(0.72 0.18 145 / 0.18);
  animation: pulse 2.4s ease-in-out infinite;
}
.status-dot.offline {
  background: var(--color-faint-fg);
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}

.status-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted-fg);
}
.status-text.online { color: var(--color-success); }

/* ---- Tags / badges ---- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-sans);
  color: var(--color-muted-fg);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  text-transform: none;
  letter-spacing: normal;
}
.tag-accent {
  color: var(--color-accent);
  background: oklch(0.68 0.21 245 / 0.08);
  border-color: oklch(0.68 0.21 245 / 0.25);
}

/* ---- Stats ---- */
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.stat-label {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-faint-fg);
}
.stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--color-foreground);
  line-height: 1.1;
}
.stat-value.accent { color: var(--color-accent); }
.stat-unit { font-size: 1rem; color: var(--color-muted-fg); }

/* ---- Hero ---- */
.hero {
  padding-block: clamp(4rem, 9vw, 7rem) clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 30% 40%, oklch(0.68 0.21 245 / 0.10), transparent 60%),
    radial-gradient(ellipse 40% 50% at 80% 20%, oklch(0.68 0.21 245 / 0.06), transparent 60%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
  max-width: 60ch;
}

.hero h1 {
  background: linear-gradient(180deg, var(--color-foreground) 0%, oklch(0.70 0.04 245) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .accent-line {
  display: inline-block;
  width: 3rem;
  height: 3px;
  background: var(--color-accent);
  margin-top: 0.5rem;
  box-shadow: 0 0 12px var(--color-accent-glow);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* Subtle scanline overlay for hero - retro nod */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg,
    transparent 0 3px,
    oklch(0.70 0.04 245 / 0.02) 3px 4px);
  pointer-events: none;
  mix-blend-mode: overlay;
}

/* ---- Footer ---- */
.site-footer {
  margin-top: 6rem;
  padding-block: 3rem 2rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted-fg);
  font-size: 0.875rem;
  background: oklch(0.11 0.008 240);
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-links a { color: var(--color-muted-fg); }
.footer-links a:hover { color: var(--color-foreground); }

/* ---- Avatar (initials) ---- */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-foreground);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  position: relative;
}
.avatar-lg { width: 4.5rem; height: 4.5rem; font-size: 1.25rem; }
.avatar-sm { width: 2.25rem; height: 2.25rem; font-size: 0.75rem; }

.avatar-a { background: linear-gradient(145deg, oklch(0.30 0.12 245), oklch(0.20 0.10 245)); }
.avatar-b { background: linear-gradient(145deg, oklch(0.28 0.10 215), oklch(0.18 0.08 215)); }
.avatar-c { background: linear-gradient(145deg, oklch(0.32 0.14 260), oklch(0.22 0.12 260)); }
.avatar-d { background: linear-gradient(145deg, oklch(0.30 0.11 195), oklch(0.20 0.09 195)); }
.avatar-e { background: linear-gradient(145deg, oklch(0.30 0.13 275), oklch(0.20 0.11 275)); }
.avatar-f { background: linear-gradient(145deg, oklch(0.28 0.10 235), oklch(0.18 0.08 235)); }

/* ---- Photo placeholders (no real images in mockups) ---- */
.photo-placeholder {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  aspect-ratio: 4 / 3;
}
.photo-placeholder::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: oklch(1 0 0 / 0.25);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.photo-1 { background: linear-gradient(135deg, oklch(0.25 0.08 245), oklch(0.15 0.06 215)); }
.photo-2 { background: linear-gradient(135deg, oklch(0.22 0.10 265), oklch(0.14 0.08 225)); }
.photo-3 { background: linear-gradient(135deg, oklch(0.26 0.07 230), oklch(0.16 0.05 195)); }
.photo-4 { background: linear-gradient(135deg, oklch(0.23 0.09 250), oklch(0.14 0.07 210)); }
.photo-5 { background: linear-gradient(135deg, oklch(0.27 0.11 275), oklch(0.17 0.09 230)); }
.photo-6 { background: linear-gradient(135deg, oklch(0.24 0.08 240), oklch(0.15 0.06 205)); }
.photo-7 { background: linear-gradient(135deg, oklch(0.28 0.10 255), oklch(0.18 0.08 220)); }
.photo-8 { background: linear-gradient(135deg, oklch(0.22 0.07 225), oklch(0.14 0.05 195)); }

/* ---- Q3 color code rendering (for player names on /servers) ---- */
.q3-0 { color: oklch(0.20 0 0); }            /* black */
.q3-1 { color: oklch(0.65 0.22 25); }         /* red */
.q3-2 { color: oklch(0.72 0.18 145); }        /* green */
.q3-3 { color: oklch(0.80 0.16 100); }        /* yellow */
.q3-4 { color: oklch(0.68 0.21 245); }        /* blue */
.q3-5 { color: oklch(0.75 0.14 210); }        /* cyan */
.q3-6 { color: oklch(0.70 0.18 340); }        /* magenta */
.q3-7 { color: oklch(0.96 0.01 240); }        /* white */

/* ---- Dividers ---- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border) 20%, var(--color-border) 80%, transparent);
  border: 0;
  margin-block: 2rem;
}

/* ---- Responsive ---- */
@media (max-width: 720px) {
  .site-nav { gap: 0; }
  .site-nav a { padding: 0.5rem 0.6rem; font-size: 0.875rem; }
  .site-nav a.about-link { display: none; }
  .nav-cta { display: none; }
  .hero-actions { width: 100%; }
  .hero-actions .btn { flex: 1; }
}

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