:root {
  --bg: #0f172a;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #38bdf8;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(180deg, #020617, #0f172a);
  color: var(--text);
  line-height: 1.6;
}

header {
  padding: 4rem 1.5rem 3rem;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

header p {
  margin-top: 0.75rem;
  color: var(--muted);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.contact {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.contact a {
  color: var(--accent);
  text-decoration: none;
}

main {
  max-width: 1100px;
  margin: auto;
  padding: 2rem 1.5rem 4rem;
}

section {
  margin-bottom: 3rem;
}

h2 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  border-left: 4px solid var(--accent);
  padding-left: 0.75rem;
}

.card {
  background: var(--card);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 600;
}

.card span {
  color: var(--muted);
  font-size: 0.85rem;
}

ul {
  margin-top: 0.75rem;
  padding-left: 1.25rem;
}

ul li {
  margin-bottom: 0.5rem;
}

.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.skill {
  background: #020617;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid #1e293b;
}

footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(15px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 600px) {
  header h1 { font-size: 2rem; }
}