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

:root {
  --bg: #ffffff;
  --text: #374151;
  --heading: #030712;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --border: #e5e7eb;
  --focus-ring: #3b82f6;
  --meta-color: #6b7280;
  --max-width: 860px;
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-size: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
}

html.dark {
  --bg: #0f172a;
  --text: #d9e1ea;
  --heading: #f8fafc;
  --muted: #b8c7d8;
  --accent: #9bc2ee;
  --accent-hover: #bfd8f4;
  --border: #2d3a4d;
  --focus-ring: #93c5fd;
  --meta-color: #94afd0;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text);
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

h1,
h2,
h3 {
  color: var(--heading);
  line-height: 1.15;
}

h1 {
  font-size: clamp(1.9rem, 1.2rem + 2vw, 2.5rem);
}

h2 {
  font-size: clamp(1.2rem, 1rem + 0.8vw, 1.45rem);
}

p,
li {
  line-height: 1.55;
}

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

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

a:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

header {
  border-bottom: 1px solid var(--border);
  background-color: var(--bg);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.15rem 1.5rem 0.95rem;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.navbar > a {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.navbar a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}

.navbar a[aria-current="page"] {
  color: var(--heading);
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--heading);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

html:not(.dark) .icon-sun {
  display: none;
}

html.dark .icon-moon {
  display: none;
}

main {
  padding: 1rem 0 2.25rem;
}

.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-spacer {
  padding: 1.5rem 0;
}

.section-spacer + .section-spacer {
  border-top: 1px solid var(--border);
  padding-top: 1.75rem;
  margin-top: 0;
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 0.8rem;
  margin-bottom: 0.75rem;
}

.section-header a {
  font-size: 0.94rem;
  text-decoration: none;
}

.page-title {
  margin-bottom: 0.45rem;
}

.hero {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.hero-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.intro p {
  margin-top: 0.7rem;
  color: var(--text);
}

.social-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.55;
  border-radius: 4px;
  padding: 2px;
}

.social-links a:hover {
  opacity: 1;
}

.intro .social-links {
  justify-content: flex-end;
}

.entry-list {
  list-style: none;
  display: grid;
  gap: 0.28rem;
}

.entry-title {
  color: var(--heading);
  font-weight: 700;
}

.entry-subtitle {
  color: var(--muted);
  font-weight: 600;
}

.entry-meta {
  color: var(--meta-color);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}

.entry-summary {
  margin-top: 0.5rem;
  color: var(--text);
}

.text-points {
  margin-top: 0.55rem;
  padding-left: 1.05rem;
  display: grid;
  gap: 0.45rem;
  color: var(--text);
}

.cv-content ul {
  padding-left: 1.2rem;
  margin-bottom: 0.6rem;
  display: grid;
  gap: 0.3rem;
}

.work-section > ul + ul {
  border-top: 1px solid var(--border);
  margin-top: 0.85rem;
  padding-top: 0.85rem;
}

footer {
  border-top: 1px solid var(--border);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: center;
}

.footer-container .social-links {
  margin-top: 0;
}

h4 {
  color: var(--heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 1rem;
  margin-bottom: 0.4rem;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

.cv-content h1 {
  margin-bottom: 0.2rem;
}

.cv-content h2 {
  margin-top: 0.25rem;
  margin-bottom: 0.6rem;
}

.cv-content h3 {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.cv-content p {
  margin-bottom: 0.5rem;
}

.blog-empty-links {
  list-style: none;
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.blog-empty-links a {
  text-decoration: none;
  font-weight: 600;
}

@media (max-width: 480px) {
  .header-container,
  .main-content {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .navbar {
    flex-wrap: wrap;
  }

  .navbar-right {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    flex-direction: column;
    gap: 0.85rem;
  }
}