:root {
  --primary: #0a1929;
  --secondary: #1a3a5f;
  --accent: #00c896;
  --accent-dark: #009e77;
  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --card-bg: rgba(26, 58, 95, 0.7);
  --card-border: rgba(255, 255, 255, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: "Inter", sans-serif;
  background: linear-gradient(135deg, var(--primary), #0d1b2a);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  padding: 20px;
  background-attachment: fixed;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--card-border);
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(to right, var(--accent), #00d4a1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo i {
  color: var(--accent);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 25px;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  padding: 8px 12px;
  border-radius: 4px;
}

nav a:hover {
  color: var(--accent);
  background: rgba(0, 200, 150, 0.1);
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 20px;
  margin-bottom: 60px;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 15px;
  background: linear-gradient(to right, var(--accent), #00d4a1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: var(--accent);
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(0, 200, 150, 0.3);
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 200, 150, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-secondary:hover {
  background: rgba(0, 200, 150, 0.1);
  transform: translateY(-3px);
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 50px;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.project-card {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--card-border);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  border-color: rgba(0, 200, 150, 0.3);
}

.project-header {
  padding: 20px;
  border-bottom: 1px solid var(--card-border);
}

.project-header h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
}

.project-header h3 i {
  color: var(--accent);
}

.project-content {
  padding: 20px;
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.tag {
  background: rgba(0, 200, 150, 0.15);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: 15px;
}

.project-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}

.project-link:hover {
  color: var(--accent-dark);
  transform: translateX(5px);
}

.github-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.github-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 8px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: var(--transition);
}

.github-link:hover {
  color: var(--accent);
  background: rgba(0, 200, 150, 0.1);
  transform: translateY(-3px);
}

footer {
  text-align: center;
  padding: 30px 0;
  color: var(--text-secondary);
  border-top: 1px solid var(--card-border);
  margin-top: 40px;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  nav ul {
    gap: 15px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  header {
    flex-direction: column;
    gap: 20px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
}