:root {
  --bg: #000;
  --bg-2: #0d0d0d;
  --line: rgba(255, 255, 255, 0.12);
  --text: #fff;
  --muted: #9a9a9a;
  --max: 1100px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

#bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

h1, h2, h3, .logo, .num { font-family: "Space Grotesk", sans-serif; line-height: 1.1; }

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

/* Slovo zakončené čtverečkem jako v logu */
.hl { white-space: nowrap; }
.hl i {
  display: inline-block;
  width: 0.22em;
  height: 0.22em;
  margin-left: 0.08em;
  border: max(2px, 0.03em) solid var(--text);
  vertical-align: baseline;
  animation: blink 2.4s steps(1) infinite;
}
@keyframes blink { 50% { background: var(--text); } }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.9rem;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--text);
  margin-right: 0.7rem;
  vertical-align: 1px;
}

.lead { color: var(--muted); font-size: 1.15rem; max-width: 600px; }
.muted { color: var(--muted); }

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem max(16px, calc((100% - var(--max)) / 2));
  backdrop-filter: blur(14px);
  background: rgba(0, 0, 0, 0.7);
  border-bottom: 1px solid var(--line);
}

.logo { display: flex; align-items: center; gap: 0.7rem; font-size: 1.25rem; font-weight: 700; }

.nav-links { display: flex; align-items: center; gap: 2rem; font-weight: 500; }
.nav-links a:not(.btn) { color: var(--muted); transition: color 0.2s; }
.nav-links a:not(.btn):hover { color: var(--text); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: transform 0.25s; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  font-weight: 600;
  background: var(--text);
  color: var(--bg);
  border: 2px solid var(--text);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 rgba(255, 255, 255, 0.35); }
.btn-ghost { background: transparent; color: var(--text); }
.btn-small { padding: 0.45rem 1.1rem; font-size: 0.9rem; }
.btn-big { font-size: 1.2rem; padding: 1.1rem 2.2rem; margin-top: 2rem; }

/* ---------- HERO ---------- */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem max(16px, calc((100% - var(--max)) / 2));
}
.hero-logo { margin-bottom: 2.5rem; }
.hero h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; }

/* ---------- SECTIONS ---------- */
.section { padding: 6rem max(16px, calc((100% - var(--max)) / 2)); }
.section-head { margin-bottom: 3rem; }
.section h2 { font-size: clamp(2rem, 4.5vw, 3rem); letter-spacing: -0.01em; }

/* ---------- GAMES ---------- */
.game {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
  padding: 2.5rem;
  border: 1px solid var(--line);
  background: var(--bg-2);
  margin-bottom: 1.5rem;
}

.game-art {
  aspect-ratio: 1;
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 24px 24px,
    #050505;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
}

.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; width: 62%; }
.tiles span {
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.25);
  animation: pulse 4s ease-in-out infinite;
}
.tiles span:nth-child(2n) { animation-delay: 0.6s; }
.tiles span:nth-child(3n) { animation-delay: 1.2s; }
.tiles .hl {
  background: var(--text);
  border-color: var(--text);
  box-shadow: 0 0 40px rgba(255, 255, 255, 0.35);
  animation: merge 3s ease-in-out infinite;
}

@keyframes pulse { 50% { background: rgba(255, 255, 255, 0.14); } }
@keyframes merge { 50% { transform: scale(1.12) rotate(6deg); } }

.game h3 { font-size: 2.2rem; margin: 0.8rem 0; }
.game p { color: var(--muted); margin-bottom: 1.2rem; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.7rem;
  background: var(--text);
  color: var(--bg);
}
.badge-muted { background: transparent; color: var(--muted); border: 1px solid var(--line); }

.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.tags li { font-size: 0.85rem; padding: 0.25rem 0.75rem; border: 1px solid var(--line); }

.link { font-weight: 600; border-bottom: 2px solid var(--text); padding-bottom: 2px; }
.link:hover { color: var(--muted); border-color: var(--muted); }

.game-soon { grid-template-columns: 1fr; border-style: dashed; background: transparent; }
.game-soon h3 { font-size: 1.6rem; }

/* ---------- CARDS ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.card {
  padding: 2rem;
  border: 1px solid var(--line);
  background: var(--bg-2);
  transition: transform 0.25s, border-color 0.25s;
}
.card:hover { transform: translateY(-4px); border-color: var(--text); }
.card .num { font-size: 0.9rem; color: var(--muted); margin-bottom: 1.5rem; }
.card h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }
.card p { color: var(--muted); }

/* ---------- CONTACT ---------- */
.contact { text-align: center; display: flex; flex-direction: column; align-items: center; }

/* ---------- FOOTER ---------- */
.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  padding: 2rem max(16px, calc((100% - var(--max)) / 2));
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

/* ---------- REVEAL ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s, transform 0.7s; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 820px) {
  .game { grid-template-columns: 1fr; padding: 1.5rem; gap: 1.5rem; }
  .cards { grid-template-columns: 1fr; }
  .section { padding-top: 4rem; padding-bottom: 4rem; }
  .hero-logo { width: 64px; height: 64px; }

  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 1.2rem;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.97);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav.open .nav-links { display: flex; }
  .nav.open .nav-toggle span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav.open .nav-toggle span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}