/* Reset y base */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    font-family: 'Segoe UI', sans-serif;
    background-color: #0f172a;
    color: #e2e8f0;
    line-height: 1.6;
}

/* Navigation */
header{
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav{
    display:flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo{
font-size: 1.5rem;
font-weight: bold;
color: #38bdf8;
}

nav ul{
    list-style: none;
    display: flex;
    gap: 30px;
}

nav ul li a{
    color: #e2e8f0;
    text-decoration: none;
    font-size: 0.95rem;
}

/*  Hero */
#hero{
    padding: 100px 40px;
    max-width: 800px;
}

#hero h1{
    font-size: 3rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 12px;
}

#hero h2{
    font-size: 1.2rem;
    color: #38bdf8;
    font-weight: 400;
     margin-bottom: 20px;
}

#hero p{
    font-size: 1rem;
    color: #94a3b8;
    margin-bottom: 32px;
}

.btn{
    display: inline-block;
    padding: 12px 28px;
    background-color: #38bdf8;
    color:  #0f172a;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
}

/* About */
#about{
    padding: 80px 40px;
    max-width: 800px;
    border-top: 1px solid #1e293b;
}

#about h2{
    font-size: 2rem;
    color: #f8fafc;
    margin-bottom: 24px;
}

#about p{
    color: #94a3b8;
    margin-bottom: 16px;
    font-size: 1rem;
}

/* Projects */
#projects{
    padding: 80px 40px;
    border-top: 1px solid #1e293b;
}

#ptojects h2{
    font-size: 2rem;
    color: #f8fafc;
    margin-bottom: 40px;
}

.projects-grid{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-card{
    background-color: #1e293b;
    padding: 28px;
    border-radius: 10px;
    border: 1px solid #334155;
}

.project-card h3{
    font-size: 1.1rem;
    color: #f8fafc;
    margin-bottom: 10px;
}

.tag{
    display: inline-block;
    background-color: #0f172a;
    color: #38bdf8;
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.tag muted{
    font-size: 0.8rem;
    color: #64748b;
    font-style: italic;
}

.project-card p{
    color:  #94a3b8;
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.btn-link{
    color: #38bdf8;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Skills */
#skills{
    padding: 80px 40px;
    border-top: 1px solid #1e293b;
}

.skills h2{
    font-size: 2rem;
    color: #f8fafc;
    margin-bottom: 32px;
}

.skills-grid{
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-item{
    background-color: #1e293b;
    color: #38bdf8;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid  #334155;
}

/* Contact */
#contact{
    padding: 80px 40px;
    border-top: 1px solid #1e293b;
}

#contact h2{
    font-size: 2rem;
    color:  #f8fafc;
    margin-bottom: 16px;
}

#contact p{
    color: #94a3b8;
    margin-bottom: 32px;
}

.contact-links{
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item{
    color: #38bdf8;
    text-decoration: none;
    font-size: 1rem;
}

/* Footer */
footer{
    padding: 30px 40px;
    border-top: 1px solid #1e293b;
    color: #475569;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {

  header {
    padding: 16px 20px;
  }

  nav ul {
    gap: 16px;
  }

  nav ul li a {
    font-size: 0.85rem;
  }

  #hero {
    padding: 80px 20px 40px;
  }

  #hero h1 {
    font-size: 2rem;
  }

  #hero h2 {
    font-size: 1rem;
  }

  #about {
    padding: 60px 20px;
  }

  #projects {
    padding: 60px 20px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  #skills {
    padding: 60px 20px;
  }

  #contact {
    padding: 60px 20px;
  }

  footer {
    padding: 24px 20px;
  }

}