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

body {
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: #fff;
  scroll-behavior: smooth;
}

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 40px;
  background-color: #0f172a;
  position: sticky;
  top: 0;
  z-index: 1000;
  flex-wrap: wrap;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-area img.logo {
  height: 45px;
  width: 45px;
  border-radius: 50%;
  object-fit: cover;
  transition: transform 0.3s;
}

.logo-area img.logo:hover {
  transform: scale(1.1);
}

.brand-name {
  font-weight: bold;
  font-size: 1.2em;
  color: #38bdf8;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 25px;
  flex-wrap: wrap;
}

.nav-links a {
  color: #e2e8f0;
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #38bdf8;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #38bdf8;
  transition: width 0.3s;
}

.nav-links a:hover::after {
  width: 100%;
}

/* HERO */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px 40px;
  text-align: center;
}

.hero img.profile {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 20px #38bdf8;
  margin-bottom: 20px;
  transition: transform 0.3s;
}

.hero img.profile:hover { transform: scale(1.05); }

.hero h2 {
  font-size: 2.2em;
  margin-bottom: 8px;
}

.hero p.subtitle {
  color: #60a5fa;
  font-size: 1.1em;
  margin-bottom: 8px;
}

/* ABOUT */
#about {
  padding: 50px 20px;
  display: flex;
  justify-content: center;
}

.about-card {
  background: rgba(255,255,255,0.05);
  padding: 25px;
  border-radius: 20px;
  max-width: 700px;
  text-align: center;
  box-shadow: 0 0 20px rgba(56,189,248,0.3);
  backdrop-filter: blur(10px);
}

.about-card h2 {
  color: #38bdf8;
  margin-bottom: 15px;
}

/* SKILLS */
#skills {
  padding: 50px 20px;
  max-width: 800px;
  margin: auto;
}

#skills h2 {
  text-align: center;
  color: #38bdf8;
  margin-bottom: 20px;
}

.skill {
  margin-bottom: 15px;
}

.skill-name {
  margin-bottom: 5px;
}

.skill-bar {
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  overflow: hidden;
}

.skill-fill {
  height: 12px;
  background: linear-gradient(90deg,#38bdf8,#60a5fa);
  width: 0;
  animation: fill 2s forwards;
}

@keyframes fill {
  to { width: var(--level); }
}

/* PROJECTS */
#projects {
  padding: 50px 20px;
  max-width: 1000px;
  margin: auto;
}

#projects h2 {
  text-align: center;
  color: #38bdf8;
  margin-bottom: 20px;
}

.project-grid {
  display: grid;
  justify-content: center;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.project-card {
  background: rgba(255,255,255,0.05);
  border-radius: 15px;
  padding: 15px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 20px rgba(56,189,248,0.4);
}

.project-card img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 10px;
}

.project-card a {
  color: #38bdf8;
  text-decoration: none;
}

/* CONTACT */
#contact {
  padding: 50px 20px;
  text-align: center;
}

#contact h2 {
  color: #38bdf8;
  margin-bottom: 20px;
}

.contact-links a {
  display: inline-block;
  margin: 10px;
  color: #fff;
  text-decoration: none;
  padding: 10px 15px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  transition: background 0.3s;
}

.contact-links a:hover {
  background: linear-gradient(90deg,#38bdf8,#60a5fa);
  color: #0f172a;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 20px;
  background: rgba(255,255,255,0.05);
  margin-top: 30px;
}

/* RESPONSIVE */
@media(max-width: 768px) {
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .nav-links {
    justify-content: flex-start;
    gap: 15px;
  }

  .hero h2 {
    font-size: 1.6em;
  }

  .about-card,
  #skills,
  #projects,
  #contact {
    padding: 30px 15px;
  }

  .skill-bar {
    height: 10px;
  }

  .contact-links a {
    padding: 8px 12px;
    font-size: 0.95em;
  }
}