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

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #0f172a;
  color: white;
  line-height: 1.6;
}

.hero {
  min-height: 100vh;
  background:
    linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.8)),
    url('https://images.unsplash.com/photo-1529107386315-e1a2ed48a620?q=80&w=1600&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  padding: 2rem;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem;
  font-weight: bold;
}

.logo img {
  width: 160px;
  height: 160px;
}

.socials {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.socials a {
  color: white;
  text-decoration: none;
  padding: 10px 16px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 10px;
  transition: 0.3s;
}

.socials a:hover {
  background: white;
  color: black;
}

.hero-content {
  max-width: 1000px;
  margin: 8rem auto;
  text-align: center;
}

.hero-content h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.subtitle {
  font-size: 1.4rem;
  opacity: 0.9;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  padding: 2rem;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.1);
}

.card h2 {
  margin-bottom: 1rem;
  font-size: 1rem;
  color: #93c5fd;
}

.card p {
  font-size: 1.6rem;
  font-weight: bold;
}

.countdown {
  margin-top: 4rem;
}

#timer {
  margin-top: 1rem;
  font-size: 2rem;
  font-weight: bold;
}

.about {
  padding: 5rem 2rem;
  text-align: center;
  background: #111827;
}

.about h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

footer {
  text-align: center;
  padding: 2rem;
  background: black;
}

@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.4rem;
  }

  nav {
    gap: 1rem;
  }
}