:root {
  --bg-color: #0f172a;
  --text-color: #f8fafc;
  --accent-color: #38bdf8;
  --secondary-bg: #1e293b;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  scroll-behavior: smooth;
}

nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.95);
  padding: 1rem 0;
  text-align: center;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

nav a {
  color: white;
  text-decoration: none;
  margin: 0 15px;
  font-weight: bold;
  transition: color 0.3s;
}

nav a:hover {
  color: var(--accent-color);
}

header {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background:
    linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.85)),
    url("https://images.unsplash.com/photo-1498050108023-c5249f4df085?auto=format&fit=crop&w=1350&q=80");
  background-size: cover;
  background-position: center;
}

section {
  padding: 100px 20px;
  max-width: 900px;
  margin: 0 auto;
}

.card {
  background: var(--secondary-bg);
  padding: 2.5rem;
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 15px;
  margin-top: 25px;
}

.skill-badge {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
  padding: 10px;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
}

#email-container a {
  color: var(--accent-color);
  font-size: 1.2rem;
  text-decoration: none;
  font-weight: bold;
  border-bottom: 2px solid transparent;
  transition: 0.3s;
}

#email-container a:hover {
  border-bottom: 2px solid var(--accent-color);
}

footer {
  text-align: center;
  padding: 50px;
  opacity: 0.6;
  font-size: 0.9rem;
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 0;
}
h2 {
  color: var(--accent-color);
  margin-bottom: 1.5rem;
  font-size: 2rem;
}
.highlight {
  color: var(--accent-color);
}
p {
  font-size: 1.1rem;
  color: #cbd5e1;
}
.social-links a {
  text-decoration: none;
  color: var(--accent-color);
  font-size: 1.5rem;
}