/* ─── Reset & Base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0d1117;
  --bg-2:     #161b22;
  --border:   #30363d;
  --border-s: #21262d;
  --text:     #c9d1d9;
  --muted:    #8b949e;
  --accent:   #39d353;
  --font:     'JetBrains Mono', monospace;
  --max-w:    860px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ─── Nav ─────────────────────────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 2rem;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent);
}

.nav nav { display: flex; gap: 2rem; }

.nav nav a {
  color: var(--muted);
  font-size: 0.78rem;
  transition: color 0.15s;
}

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

/* ─── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 6rem 2rem 5rem;
}

.hero-label {
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 1.8rem;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1.8rem;
  letter-spacing: -0.5px;
}

.accent { color: var(--accent); }

.hero-sub {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.9;
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.hero-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.link-arrow {
  color: var(--muted);
  font-size: 0.78rem;
  transition: color 0.15s;
}

.link-arrow:hover { color: var(--accent); }

/* ─── Sections ────────────────────────────────────────────────────────────── */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 2rem;
  border-top: 1px solid var(--border);
}

.section-label {
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 2rem;
}

/* ─── Skills ──────────────────────────────────────────────────────────────── */
.skills { display: flex; flex-direction: column; }

.skill-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.skill-item:last-child { border-bottom: none; }

.skill-key {
  color: var(--accent);
  font-size: 0.78rem;
  padding-top: 0.1rem;
}

.skill-val {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.8;
}

/* ─── Projects ────────────────────────────────────────────────────────────── */
.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.project {
  background: var(--bg-2);
  border: 1px solid var(--border-s);
  padding: 1.6rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.project:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), inset 0 0 20px rgba(57, 211, 83, 0.04);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}

.tag {
  font-size: 0.62rem;
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--border);
  color: var(--muted);
}

.tag-fav {
  border-color: var(--accent);
  color: var(--accent);
}

.project h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.project p {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.project-link {
  color: var(--accent);
  font-size: 0.75rem;
  transition: opacity 0.15s;
}

.project-link:hover { opacity: 0.7; }

/* ─── Kontakt ─────────────────────────────────────────────────────────────── */
.contact-text {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.9;
  max-width: 520px;
  margin-bottom: 1.8rem;
}

.contact-mail {
  color: var(--accent);
  font-size: 0.88rem;
  transition: opacity 0.15s;
}

.contact-mail:hover { opacity: 0.7; }

/* ─── Footer ──────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 1.4rem 2rem;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  color: var(--muted);
  font-size: 0.72rem;
}

.footer-links { display: flex; gap: 1.5rem; }

.footer-links a {
  color: var(--muted);
  font-size: 0.72rem;
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--text); }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .hero    { padding: 4rem 1.5rem 3rem; }
  .section { padding: 3rem 1.5rem; }
  .nav     { padding: 1.2rem 1.5rem; }
  .footer  { padding: 1.2rem 1.5rem; }
  .projects      { grid-template-columns: 1fr; }
  .skill-item    { grid-template-columns: 1fr; gap: 0.3rem; }
}