:root {
  --text-main: #f4f4f4;
  --text-soft: #cbcbcb;
  --line: rgba(255, 255, 255, 0.18);
  --panel: rgba(0, 0, 0, 0.56);
  --accent: #ffd79d;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  min-height: 100%;
}

body {
  font-family: "Manrope", sans-serif;
  color: var(--text-main);
  background:
    linear-gradient(160deg, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.48)),
    url("image/background.jpg") center/cover fixed no-repeat;
  position: relative;
}

.page-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 80% 20%, rgba(255, 182, 95, 0.24), transparent 40%),
    radial-gradient(circle at 10% 80%, rgba(255, 255, 255, 0.08), transparent 45%);
}

.topbar {
  position: sticky;
  top: 0.8rem;
  z-index: 5;
  width: min(96vw, 1320px);
  margin: 0.8rem auto 0;
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-main);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.74rem;
  font-weight: 700;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  object-fit: cover;
}

.nav-links {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.64rem;
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.45rem 0.72rem;
}

.nav-links a:hover,
.nav-links a.is-active {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
}

.events-page {
  width: min(96vw, 1320px);
  margin: 1rem auto 2rem;
  position: relative;
  z-index: 2;
}

.events-head {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.2rem;
  background: var(--panel);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.66rem;
  color: var(--text-soft);
}

h1 {
  margin: 0.5rem 0 0;
  font-family: "Bebas Neue", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 0.9;
}

#planning-meta {
  margin: 0.6rem 0 0;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.planning-grid {
  margin-top: 1rem;
  display: grid;
  gap: 0.95rem;
}

.weekend-group {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.48);
  padding: 0.85rem;
}

.weekend-title {
  margin: 0 0 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.84rem;
  color: var(--accent);
}

.weekend-days {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.day-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.56);
  padding: 0.9rem;
  min-height: 170px;
}

.day-top {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 0.55rem;
}

.date-label {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.62rem;
  color: var(--text-soft);
}

.day-title {
  margin: 0.4rem 0;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.session-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.session-list li {
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 0.5rem 0.55rem;
  background: rgba(255, 255, 255, 0.05);
}

.session-list p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-main);
}

@media (max-width: 760px) {
  .topbar {
    top: 0.5rem;
    padding: 0.55rem 0.6rem;
    flex-direction: column;
    align-items: stretch;
  }

  .brand {
    justify-content: center;
  }

  .nav-links {
    justify-content: center;
  }

  .weekend-days {
    grid-template-columns: 1fr;
  }
}