.site-header {
  text-align: center;
  padding: clamp(2.5rem, 8vw, 5rem) 1rem 2rem;
}

.logo {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 11vw, 5.5rem);
  font-weight: 800;
  letter-spacing: .18em;
  text-indent: .18em;              /* kompenzácia posledného letter-spacingu */
  color: var(--neon);
  text-shadow:
    0 0 6px rgba(0,240,255,.8),
    0 0 24px rgba(0,240,255,.45),
    0 3px 0 rgba(255,45,149,.55);
  animation: flicker 6s infinite;
}
.logo-accent { color: var(--neon-2); text-shadow: 0 0 8px rgba(255,45,149,.9), 0 0 28px rgba(255,45,149,.5); }

@keyframes flicker {
  0%, 92%, 100% { opacity: 1; }
  93% { opacity: .72; }
  94% { opacity: 1; }
  96% { opacity: .85; }
  97% { opacity: 1; }
}

.tagline {
  margin-top: .75rem;
  color: var(--muted);
  letter-spacing: .22em;
  text-transform: uppercase;
  font-size: .75rem;
}

main { max-width: 1000px; margin: 0 auto; padding: 0 1rem 4rem; }

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.tile a {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  height: 100%;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--panel), var(--bg-2));
  position: relative;
  overflow: hidden;
  transition: transform .18s ease, border-color .18s ease, box-shadow .25s ease;
}

.tile a::after {                  /* neónový lesk pri hoveri */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(300px 120px at var(--mx, 50%) 0%, rgba(0,240,255,.16), transparent 70%);
  opacity: 0;
  transition: opacity .25s ease;
}
.tile a:hover, .tile a:focus-visible {
  transform: translateY(-4px);
  border-color: var(--accent, var(--neon));
  box-shadow: 0 10px 30px -12px rgba(0,0,0,.9), 0 0 0 1px var(--accent, var(--neon)) inset;
  outline: none;
}
.tile a:hover::after, .tile a:focus-visible::after { opacity: 1; }

.tile-icon { font-size: 2.5rem; line-height: 1; }
.tile-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent, var(--neon));
}
.tile-desc { color: var(--muted); font-size: .9rem; }

.tile-best {
  margin-top: auto;
  padding-top: 1rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--neon-3);
  letter-spacing: .08em;
}
.tile-best:empty { display: none; }

/* upozornenie pri otvorení cez file:// */
.notice {
  border: 1px solid var(--neon-2);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--panel), var(--bg-2));
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: 0 0 40px -12px rgba(255, 45, 149, .5);
}
.notice h2 {
  font-family: var(--font-display);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--neon-2);
  margin-bottom: 1rem;
}
.notice p { color: var(--muted); margin-bottom: .75rem; }
.notice a { color: var(--neon); text-decoration: underline; }
.notice code {
  font-family: var(--font-mono);
  color: var(--neon-3);
}
.notice pre {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .85rem 1rem;
  margin: .5rem 0 1rem;
  overflow-x: auto;
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  color: var(--muted);
  font-size: .8rem;
  border-top: 1px solid var(--line);
  max-width: 1000px;
  margin: 0 auto;
}