:root {
  --bg: #121212;
  --surface: #1e1e1e;
  --text: #ffffff;
  --accent: #ff7b00;
  --muted: #aaaaaa;
  --radius: 14px;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text);
}

/* Navigation */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--surface);
  padding: 1rem 2rem;
  border-bottom: 2px solid var(--accent);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: bold;
  transition: opacity 0.2s;
}

.nav-link:hover {
  opacity: 0.7;
}

/* Hero */
.hero {
  height: 90vh;
  background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.hero-text h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.hero-text p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.btn {
  background: var(--accent);
  padding: 0.8rem 2rem;
  color: white;
  text-decoration: none;
  font-weight: bold;
  border-radius: var(--radius);
  transition: background 0.3s ease;
}

.btn:hover {
  background: #e06700;
}

/* Main Grid */
.main-content {
  padding: 3rem 2rem;
  max-width: 1200px;
  margin: auto;
}

.grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card h2 {
  color: var(--accent);
}

/* Footer */
.footer {
  background: #0f0f0f;
  padding: 2rem;
  text-align: center;
  border-top: 2px solid var(--accent);
}

.footer-inner a {
  color: var(--accent);
  text-decoration: none;
}

.footer-inner a:hover {
  text-decoration: underline;
}

.footer p {
  margin: 0.5rem 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.footer .copyright {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 1rem;
}