/* Reset & base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
}
a {
  color: inherit;
  text-decoration: none;
}

/* Themes */
body {
  background-color: #111827;
  color: #ffffff;
}
body.light {
  background-color: #ffffff;
  color: #111827;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  background-color: inherit;
}
.logo {
  font-size: 1.5rem;
  font-weight: bold;
}
.nav-links a {
  margin-left: 1rem;
  font-weight: 500;
}
.toggle-theme {
  font-size: 1.2rem;
  background: none;
  border: none;
  cursor: pointer;
}

/* Hero */
.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: linear-gradient(to right, rgb(4, 4, 138),rgb(138, 113, 113));
  color: white;
}
.avatar {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 4px solid white;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  margin-bottom: 1rem;
}
.hero-title {
  font-size: 2.5rem;
  font-weight: bold;
}
.hero-subtitle {
  font-size: 1.2rem;
}

/* Sections */
.section {
  padding: 3rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}
.section h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* About */
.download-btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
background: linear-gradient(to right, rgb(4, 96, 138),rgb(138, 113, 113));  
  color: white;
  border-radius: 6px;
}

/* Skills */
.skills-grid {
  
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.skill-card{
  background: linear-gradient(to right, rgb(4, 96, 138),rgb(138, 113, 113));
  padding: 1rem;
  border-radius: 12px;
  text-align: center;
  font-weight: 500;
  backdrop-filter: blur(5px);
}
#skill-card-windows{
  padding-top: 25px;
}
/* .skill-card-window{
   background: linear-gradient(to right, rgb(4, 96, 138),rgb(138, 113, 113));
  padding: 1rem;
  border-radius: 12px;
  margin: 10px;
  text-align: center;
  font-weight: 500;
  backdrop-filter: blur(5px);
} */

.Certificate-card{
  
  padding: 5px;
  border-radius: 15px;
  text-align: center;
  background: linear-gradient(to right, rgb(4, 96, 138),rgb(138, 113, 113));
  font-weight: 500;
  backdrop-filter: blur(5px);

}
body.light .skill-card {
  background: #f1f1f1;
}

/* Projects */
.project-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 8px;
}
.github-btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(to right, rgb(4, 96, 138),rgb(138, 113, 113));
  color: white;
  border-radius: 6px;
}

/* Contact */
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}