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

:root {
  --bg: #0a0a0a;
  --bg-alt: #111;
  --text: #e5e5e5;
  --text-muted: #888;
  --accent: #3b82f6;
  --border: #222;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
}

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

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 15px;
}

.hero-desc {
  color: var(--text-muted);
  max-width: 400px;
  margin: 0 auto 25px;
}

.hero-links {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.hero-links a {
  padding: 10px 25px;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  transition: border-color 0.2s;
}

.hero-links a:hover {
  border-color: var(--accent);
  text-decoration: none;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section h2 {
  font-size: 1.8rem;
  margin-bottom: 30px;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 30px;
}

.skill-group h3 {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.skill-group ul {
  list-style: none;
}

.skill-group li {
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}

/* Projects */
.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.project-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 25px;
  padding: 25px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.project-image {
  aspect-ratio: 4/3;
  background: var(--bg);
  border-radius: 5px;
  overflow: hidden;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--border);
}

.project-info h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.project-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 15px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 15px;
}

.project-tech span {
  padding: 3px 10px;
  background: var(--bg);
  border-radius: 3px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.project-links a {
  font-size: 0.9rem;
}

.project-private {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Contact */
#contact {
  text-align: center;
}

#contact p {
  color: var(--text-muted);
  margin-bottom: 20px;
}

.contact-links {
  display: flex;
  gap: 30px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  padding: 30px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

/* Mobile */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 2rem;
  }

  .project-card {
    grid-template-columns: 1fr;
  }

  .project-image {
    max-width: 200px;
  }

  .nav-links {
    gap: 15px;
  }
}