:root {
  --bg: #0b0614;
  --panel: #170d26;
  --text: #f2ecff;
  --muted: #a99bc4;
  --pink: #ff2d95;
  --cyan: #22e4ff;
  --violet: #8b5cff;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

h1,
h2 {
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 24px;
  background: rgba(11, 6, 20, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.logo span {
  color: var(--pink);
}

.menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 20px;
}

.menu a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.menu a:hover {
  color: var(--cyan);
}

.hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 64px 24px;
  text-align: center;
  background:
    linear-gradient(rgba(11, 6, 20, 0.2), var(--bg)),
    url(obrazky/scena.svg) center / cover;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 14vw, 9rem);
  font-weight: 900;
  color: #fff;
  text-shadow:
    0 0 8px var(--pink),
    0 0 24px var(--pink),
    0 0 64px var(--violet);
  animation: blikani 4s infinite;
}

.hero-date {
  margin: 0;
  color: var(--cyan);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.hero-claim {
  margin: 8px 0 24px;
  font-size: 1.25rem;
}

.countdown {
  margin: 0 0 32px;
  color: var(--muted);
}

.countdown strong {
  color: var(--text);
  font-size: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--pink), var(--violet));
  color: #fff;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 0 24px rgba(255, 45, 149, 0.5);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(255, 45, 149, 0.8);
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
  scroll-margin-top: 100px;
}

.section h2 {
  margin: 0 0 32px;
  color: var(--cyan);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
}

.lineup {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.artist {
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.artist:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 32px rgba(34, 228, 255, 0.35);
}

.artist img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.artist h3 {
  margin: 16px 20px 4px;
  font-size: 1.25rem;
}

.artist p {
  margin: 0 20px 20px;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

th {
  color: var(--muted);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

tbody tr:hover {
  background: var(--panel);
}

details {
  padding: 20px 24px;
  margin-bottom: 12px;
  border-radius: var(--radius);
  background: var(--panel);
}

summary {
  font-weight: 700;
  cursor: pointer;
}

details[open] summary {
  color: var(--pink);
}

details p {
  margin: 12px 0 0;
  color: var(--muted);
}

.form {
  display: grid;
  gap: 20px;
  max-width: 480px;
}

.form label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.form input,
.form select {
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-weight: 400;
}

.form input:focus,
.form select:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.form .btn {
  justify-self: start;
}

.dekujeme {
  margin: 0;
  color: var(--cyan);
  font-weight: 700;
}

.site-footer {
  padding: 48px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  text-align: center;
}

.site-footer p {
  margin: 0;
}

@keyframes blikani {
  0%, 90%, 100% {
    opacity: 1;
  }

  92% {
    opacity: 0.4;
  }

  94% {
    opacity: 1;
  }

  96% {
    opacity: 0.6;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero h1 {
    animation: none;
  }
}

@media (min-width: 720px) {
  .site-header {
    flex-direction: row;
    justify-content: space-between;
    padding: 16px 48px;
  }

  .hero {
    min-height: 90vh;
  }

  .section {
    padding: 120px 48px;
  }
}