:root {
  --color-bg: #140f12;
  --color-surface: rgba(31, 24, 28, 0.92);
  --color-border: rgba(255, 255, 255, 0.12);
  --color-text: #f7f1ea;
  --color-text-secondary: #c1b5ab;
  --color-accent: #f0b35b;
  --color-accent-strong: #ffcb80;
  --color-link: #f6c785;
  --color-topbar-surface: rgba(20, 15, 18, 0.72);
  --color-topbar-surface-hover: rgba(28, 21, 26, 0.86);
  --color-topbar-border: rgba(255, 255, 255, 0.14);
  --color-topbar-focus: rgba(246, 199, 133, 0.96);
  --shadow: 0 24px 64px rgba(0, 0, 0, 0.28);
  --shadow-topbar: 0 12px 32px rgba(0, 0, 0, 0.24);
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 860px;
}

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

body {
  min-height: 100vh;
  font-family: var(--font-stack);
  color: var(--color-text);
  line-height: 1.7;
  background:
    radial-gradient(circle at top, rgba(124, 92, 252, 0.18), transparent 36%),
    radial-gradient(circle at 80% 0%, rgba(232, 67, 147, 0.12), transparent 28%),
    linear-gradient(180deg, #120e10 0%, #171115 100%);
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover { color: var(--color-accent-strong); }

.shell {
  width: min(100%, calc(var(--max-width) + 48px));
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
  padding: 10px 12px;
  border: 1px solid var(--color-topbar-border);
  border-radius: 18px;
  background: var(--color-topbar-surface);
  box-shadow: var(--shadow-topbar);
  backdrop-filter: blur(12px);
  font-size: 0.95rem;
}

.brand,
.back-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.brand {
  color: var(--color-text);
  padding: 0 2px;
  font-weight: 750;
  letter-spacing: 0.01em;
}

.back-link {
  color: var(--color-text);
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.04);
  font-weight: 600;
  line-height: 1;
  transition:
    color 160ms ease,
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.back-link:hover {
  color: var(--color-accent-strong);
  background: var(--color-topbar-surface-hover);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.brand:focus-visible,
.back-link:focus-visible,
.footer-links a:focus-visible {
  outline: 2px solid var(--color-topbar-focus);
  outline-offset: 2px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(14px);
}

.hero {
  padding: 44px 40px 28px;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(135deg, rgba(124, 92, 252, 0.14), rgba(232, 67, 147, 0.08));
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}

.dates {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.dates time {
  color: var(--color-text);
  font-weight: 600;
}

main {
  padding: 34px 40px 40px;
}

h2 {
  margin-top: 30px;
  margin-bottom: 12px;
  color: var(--color-accent);
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

h3 {
  margin-top: 20px;
  margin-bottom: 10px;
  color: var(--color-text);
  font-size: 1rem;
}

p {
  margin-bottom: 14px;
  color: var(--color-text);
}

ul {
  margin: 0 0 16px 22px;
}

li {
  margin-bottom: 8px;
  color: var(--color-text);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: 22px 0;
}

.footer {
  border-top: 1px solid var(--color-border);
  padding: 20px 40px 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

@media (max-width: 720px) {
  .shell { padding: 20px 14px 40px; }
  .hero { padding: 32px 22px 24px; }
  main { padding: 26px 22px 32px; }
  .footer { padding: 18px 22px 22px; }
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }
  .back-link {
    justify-content: center;
  }
}