/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 2rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: opacity 0.3s;
}

.nav-links a:hover {
  opacity: 0.6;
}

.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-title {
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  text-align: center;
  line-height: 0.9;
}

.hero-subtitle {
  text-align: center;
  margin-top: 2rem;
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  opacity: 0.7;
}

.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  opacity: 0.4;
  animation: bounce 2s infinite;
  transition: opacity 0.3s;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

/* Responsive */

@media (max-width: 1024px) {
  nav {
    padding: 1.5rem 2rem; 
  }

  .hero-title {
    font-size: clamp(3.5rem, 10vw, 8rem);
  }
}

@media (max-width: 768px) {
  nav {
    padding: 1rem 1.5rem; 
    background: rgba(10, 10, 10, 0.98);
  }

  .logo {
    font-size: 1.2rem; 
  }

  .nav-links {
    gap: 1.2rem;
  }

  .nav-links a {
    font-size: 0.8rem;
    font-weight: 500;
  }

  .hero {
    height: 100dvh;
    padding: 0 1rem;
  }

  .hero-title {
    font-size: clamp(3rem, 13vw, 5rem);
    line-height: 1.1;
    word-wrap: break-word;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    margin-top: 1.5rem;
    line-height: 1.6;
    padding: 0 1rem;
    opacity: 0.8;
  }

  .scroll-indicator {
    bottom: 5rem;
    font-size: 0.65rem;
  }
}

@media (max-width: 380px) {
  nav {
    flex-direction: column;
    gap: 0.8rem;
    padding: 1rem;
  }

  .hero-title {
    font-size: 2.8rem;
  }
}

.hamburger {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  transition: all 0.3s ease-in-out;
  background-color: white;
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
    z-index: 2000;
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav-links {
    position: fixed;
    left: -100%;
    top: 0;
    gap: 0;
    flex-direction: column;
    background-color: #0a0a0a;
    width: 100%;
    height: 100vh;
    text-align: center;
    transition: 0.3s;
    justify-content: center;
    z-index: 1500;
  }

  .nav-links li {
    margin: 2rem 0;
  }

  .nav-links a {
    font-size: 2rem;
  }

  .nav-links.active {
    left: 0;
  }
}