:root {
  --bg: #0d0f12;
  --panel: #15191f;
  --panel-light: #1f252d;
  --text: #f4f4f1;
  --muted: #b7b9b8;
  --accent: #ff7a1a;
  --accent-dark: #b94f0d;
  --line: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    linear-gradient(rgba(13, 15, 18, 0.84), rgba(13, 15, 18, 0.92)),
    radial-gradient(circle at top right, rgba(255, 122, 26, 0.24), transparent 36%),
    linear-gradient(135deg, #0d0f12 0%, #171b21 50%, #0a0b0d 100%);
}

.site-page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  border: 1px solid var(--line);
  border-radius: 24px 24px 0 0;
  background: rgba(21, 25, 31, 0.78);
  overflow: hidden;
}

.site-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 11, 13, 0.44);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
}

.site-logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #111;
  font-weight: 900;
  font-size: 13px;
  box-shadow: 0 0 20px rgba(255, 122, 26, 0.3);
}

.site-logo-text {
  font-size: 1rem;
}

.site-logo-img {
  height: 38px;
  width: auto;
}

.site-nav {
  display: flex;
  gap: 8px;
}

.site-nav a {
  padding: 6px 14px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: background 0.15s, color 0.15s;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}
.site-nav a.current { color: var(--accent); }

.site-main {
  flex: 1;
  border: 1px solid var(--line);
  border-top: none;
  background: rgba(21, 25, 31, 0.78);
  padding: 48px 28px;
  position: relative;
}

.site-main::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, rgba(255,255,255,0.025) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,0.025) 25%, transparent 25%);
  background-size: 22px 22px;
  pointer-events: none;
}

.site-main > * { position: relative; z-index: 1; }

.site-footer {
  border: 1px solid var(--line);
  border-top: none;
  border-radius: 0 0 24px 24px;
  background: rgba(21, 25, 31, 0.78);
  padding: 20px 28px;
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

h1 {
  font-size: 2.4rem;
  margin: 0 0 8px;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 1.5rem;
  margin: 0 0 16px;
}

p { line-height: 1.6; color: var(--muted); margin: 0 0 16px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.page-content {
  max-width: 800px;
}

.event-list, .sponsor-list {
  display: grid;
  gap: 16px;
}

.event-card, .sponsor-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}

.event-card h3, .sponsor-card h3 {
  margin: 0 0 4px;
  font-size: 1.1rem;
}

.event-meta {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.event-meta span {
  margin-right: 16px;
}

.tenant-badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255, 122, 26, 0.15);
  color: var(--accent);
  margin-left: 8px;
}

.contact-form {
  max-width: 600px;
}

.contact-form label {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 16px;
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 8px;
  background: var(--accent);
  color: #111;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn:hover {
  opacity: 0.9;
  text-decoration: none;
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  opacity: 1;
}

@media (max-width: 700px) {
  .site-header-inner { flex-direction: column; gap: 12px; }
  .site-nav { flex-wrap: wrap; justify-content: center; }
  .site-main { padding: 28px 18px; }
  h1 { font-size: 1.8rem; }
}