:root {
  --bg: #0b0b10;
  --bg-panel: #16121c;
  --orange: #ff8c1a;
  --purple: #8a4fd8;
  --text: #f1ede6;
  --text-dim: #b8b0c2;
  --border: #2a2333;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--orange);
  margin-top: 0;
}

a {
  color: var(--orange);
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

nav.site-nav {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

nav.site-nav a {
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}

nav.site-nav a.active {
  color: var(--purple);
}

.hero {
  text-align: center;
  padding: 3rem 0 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.25rem;
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }
}

.hero .date {
  font-size: 1.1rem;
  color: var(--text-dim);
}

.btn {
  display: inline-block;
  background: var(--orange);
  color: #1a1200;
  font-weight: 700;
  font-size: 1rem;
  font-family: inherit;
  text-decoration: none;
  border: none;
  cursor: pointer;
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  margin-top: 1.5rem;
}

.btn:hover {
  background: #ffa348;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  margin-top: 1rem;
}

form input,
form textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: #0f0c14;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
}

form input[type="submit"] {
  margin-top: 1.5rem;
  width: auto;
  background: var(--orange);
  color: #1a1200;
  font-weight: 700;
  border: none;
  cursor: pointer;
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
}

form input[type="submit"]:hover {
  background: #ffa348;
}

.qr-box {
  display: flex;
  justify-content: center;
  margin: 1.5rem 0;
}

details {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  background: var(--bg-panel);
}

details summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--orange);
}

.note {
  color: var(--text-dim);
  font-size: 0.9rem;
}

footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  padding: 2rem 0;
}