:root {
  --color-text: #f5f5f5;
  --color-background: #121212;
  --color-text-muted: #a1a1aa;
  --color-border-line: #27272a;
  --color-background-element: #27272a;
}

* {
  box-sizing: border-box;
}
body {
  color: var(--color-text);
  background-color: var(--color-background);
  font-family: Arial, sans-serif;
  line-height: 1.5;
  margin: 0;
}
main {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border-line);
}

.nav-links {
  display: flex;
  gap: 20px;
}
.nav-controls {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s ease;
}
.language-switch {
  display: flex;
  gap: 4px;
}
.language-switch button {
  border: 1px solid #3f3f46;
  border-radius: 6px;
  padding: 5px 7px;
  color: var(--color-text-muted);
  background-color: transparent;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.language-switch button:hover,
.language-switch button[aria-pressed="true"] {
  color: var(--color-text);
  border-color: #8b5cf6;
  background-color: #4c1d95;
}
.eyebrow {
  color: var(--color-text-muted);
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  max-width: 780px;
  line-height: 1.15;
  letter-spacing: -0.025em;
}
.hero-description {
  max-width: 700px;
  color: var(--color-text-muted);
}
.primary-link {
  display: inline-block;
  background-color: #6d28d9;
  color: #ffffff;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 8px;
  transition: background-color 0.2s ease;
}

.about p {
  max-width: 760px;
  color: var(--color-text-muted);
}
.projects-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}
.project-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid #3f3f46;
  border-radius: 12px;
  padding: 20px;
  background-color: #1c1c1c;
}
.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.project-kicker {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 14px;
}
.project-status {
  padding: 5px 10px;
  border: 1px solid #8b5cf6;
  border-radius: 999px;
  color: #ddd6fe;
  background-color: #4c1d95;
  font-size: 13px;
}
.project-card h3 {
  margin: 0 0 8px;
  font-size: 24px;
}
.project-card > p {
  margin-top: 0;
  color: var(--color-text-muted);
}
.project-card .project-note {
  font-size: 12px;
  margin: 12px 0 0;
}
.project-card .project-code-status {
  margin-top: auto;
  align-self: flex-start;
}
.project-technologies {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0 0 20px;
  list-style: none;
}
.project-technologies li {
  padding: 5px 9px;
  border: 1px solid #3f3f46;
  border-radius: 999px;
  color: var(--color-text-muted);
  font-size: 13px;
}
.project-code-status {
  display: inline-block;
  color: var(--color-text-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s ease;
}
.project-code-status:hover {
  color: var(--color-text);
}
.project-code-status:focus-visible {
  border-radius: 4px;
  outline: 2px solid #8b5cf6;
  outline-offset: 4px;
}

.contact-links {
  display: flex;
  gap: 12px;
}
.contact-links a {
  display: inline-block;
  background-color: var(--color-background-element);
  color: var(--color-text);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 8px;
}

footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 24px;
  border-top: 1px solid var(--color-border-line);
  color: var(--color-text-muted);
}

.nav-links a:hover {
  color: #c4b5fd;
}
.primary-link:hover {
  background-color: #7c3aed;
}
a:focus-visible {
  outline: 3px solid #c4b5fd;
  outline-offset: 3px;
}

.skills p {
  max-width: 760px;
  color: var(--color-text-muted);
}

.skill-list {
  display: flex;
  list-style: none;
  gap: 10px;
  padding: 0;
  margin: 20px 0 0;
  flex-wrap: wrap;
}

.skill-item {
  padding: 8px 12px;
  border: 1px solid #3f3f46;
  border-radius: 999px;
  font-size: 14px;
  background-color: var(--color-background-element);
  color: #e2e8f0;
}

.hero,
.about,
.skills,
.projects,
.contact {
  padding: 48px 0;
}

.about,
.skills,
.projects,
.contact {
  border-top: 1px solid var(--color-border-line);
}
section h2 { margin: 0 0 16px; }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}
.skill-group {
  min-width: 0;
  padding: 24px;
  border: 1px solid #3f3f46;
  border-radius: 12px;
  background: #1c1c1c;
}
.skill-group h3 { margin: 0 0 12px; font-size: 18px; }
.skill-group-note { margin: 0; font-size: 14px; }
.skill-group--planned { background: transparent; }
.skill-group--planned .skill-item { background: transparent; }
.contact-links { flex-wrap: wrap; }
.language-switch button:focus-visible {
  outline: 3px solid #c4b5fd;
  outline-offset: 3px;
}

.skill-item--current {
  background-color: #4c1d95;
  border-color: #8b5cf6;
  color: #ede9fe;
}

@media (max-width: 760px) {
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 600px) {
  nav {
    padding: 16px;
    flex-direction: column;
    gap: 12px;
  }
  .nav-links {
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .nav-controls {
    flex-direction: column;
    gap: 12px;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero,
  .about,
  .projects,
  .contact,
  .skills {
    padding: 40px 0;
  }
  .project-card {
    padding: 16px;
  }
  .project-card-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}