:root {
  --bg: #000000;
  --text: #ffffff;
  --accent: #ffffff;
  --accent-hover: #cccccc;
  --glass: rgba(255, 255, 255, 0.05);
  --radius: 4px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(0, 0, 0, 0.8);
  padding: 1rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
}

.logo {
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 1px;
  color: var(--text);
  width: 120px;
  height: auto;
  border-radius: 4px;
}

nav a {
  color: var(--text);
  margin-left: 2rem;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

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

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, #ffffff, #888888);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.3rem;
  max-width: 700px;
  color: #888;
  line-height: 1.6;
  margin-bottom: 2.5rem;
}

.btn {
  background: #ffffff;
  color: #000000;
  padding: 1rem 2.5rem;
  border-radius: var(--radius);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn:hover {
  background: #000000;
  color: #ffffff;
  border-color: #ffffff;
}

section {
  padding: 8rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

section h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 1.5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 2rem;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.05);
}

.card h3 {
  color: #fff;
  font-weight: 700;
  margin-bottom: 1rem;
}

.card p {
  color: #888;
  line-height: 1.5;
  font-size: 1rem;
}

.cta {
  text-align: center;
  margin-top: 5rem;
}

.cta h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, #ffffff, #666666);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  color: #888;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

@media(max-width:768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .hero p {
    font-size: 1.1rem;
  }
  header {
    padding: 1rem 1.5rem;
  }
}

.footer-link {
  color: #888;
  margin: 0 0.5rem;
  text-decoration: none;
}

.scroll-down {
  position: absolute;
  bottom: 30px;
  font-size: 2em;
  cursor: pointer;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(10px); }
  60% { transform: translateY(5px); }
}

#countdown {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, #ffffff, #888888);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}