/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  background: #000;
  color: #fff;
  overflow-x: hidden;
}

/* Header */
.header {
  background: url('/img/bg.png') no-repeat center center;
  background-size: cover;
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: white;
  text-decoration: none;
}

.logo span {
  color: #007AFF;
}

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

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #007AFF;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 20px;
}

.hero-content h1 {
  font-size: 4rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.5rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  padding: 15px 30px;
  background: #007AFF;
  color: white;
  text-decoration: none;
  font-weight: 600;
  border-radius: 30px;
  transition: all 0.3s ease;
  border: 2px solid #007AFF;
}

.btn:hover {
  background: transparent;
  color: #007AFF;
  transform: translateY(-3px);
}

/* Sections */
.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 0;
}

.dark-section {
  background: #111;
}

.light-section {
  background: #f5f5f7;
  color: #111;
}

.section-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-content {
  flex: 1;
  max-width: 500px;
  padding-right: 50px;
}

.text-content h2 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.text-content p {
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 30px;
  opacity: 0.8;
}

.visual-content {
  flex: 1;
  padding-left: 50px;
}

.visual-content img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
  background: #000;
  padding: 50px 0;
  text-align: center;
}

.footer p {
  margin-bottom: 20px;
  opacity: 0.7;
}

.social-links {
  margin-top: 20px;
}

.social-links a {
  color: white;
  margin: 0 15px;
  font-size: 1.5rem;
  transition: color 0.3s ease;
}

.social-links a:hover {
  color: #007AFF;
}

/* Responsive */
@media (max-width: 768px) {
  .section-content {
    flex-direction: column;
  }

  .text-content, .visual-content {
    padding: 0;
    max-width: 100%;
    margin-bottom: 40px;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .text-content h2 {
    font-size: 2rem;
  }
}