:root {
  color-scheme: dark;
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  --bg: #0b1220;
  --bg-secondary: #121a2d;
  --surface: rgba(18, 26, 45, 0.8);
  --accent: #4ade80;
  --accent-strong: #22c55e;
  --text: #f8fafc;
  --muted: #cbd5f5;
  --border: rgba(148, 163, 184, 0.25);
}

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

body {
  background: radial-gradient(circle at top, #13243d 0%, var(--bg) 45%, #05080f 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(11, 18, 32, 0.85);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-brand span {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: rgba(74, 222, 128, 0.15);
  display: grid;
  place-items: center;
  color: var(--accent);
  font-weight: 600;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--accent);
}

.button {
  background: var(--accent);
  color: #081018;
  padding: 0.65rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.hero {
  padding: 5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.tag {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.card {
  background: var(--surface);
  border-radius: 24px;
  padding: 1.75rem;
  border: 1px solid var(--border);
  box-shadow: 0 20px 45px rgba(3, 9, 19, 0.4);
}

.card h3 {
  margin-bottom: 0.6rem;
}

.section {
  padding: 3.5rem 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(74, 222, 128, 0.12);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
}

.member-card {
  text-align: center;
}

.member-card img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(74, 222, 128, 0.35);
  margin: 0 auto 1rem;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  color: var(--muted);
}

.page-hero {
  padding: 4rem 0 2rem;
}

.list {
  display: grid;
  gap: 1.25rem;
}

.list-item {
  padding: 1.25rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(10, 17, 31, 0.7);
}

.two-column {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.form {
  display: grid;
  gap: 1rem;
}

.form input,
.form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(6, 11, 23, 0.8);
  color: var(--text);
}

.form button {
  border: none;
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}