:root {
  --c-bg: #f5f5f5;
  --c-fg: #0d0d0d;
  --c-accent: #e8ff00;
  --c-grey: #666;
  --c-grey-light: #d4d4d4;
  --c-focus: #0050ff;

  --f-display: "Bebas Neue", system-ui, sans-serif;
  --f-body: "IBM Plex Mono", ui-monospace, "Cascadia Code", monospace;

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 80px;

  --page-px: var(--space-lg);
  --max-w: 960px;
  --nav-h: 62px;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--c-bg);
  color: var(--c-fg);
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--c-accent);
  color: var(--c-fg);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}

:focus-visible {
  outline: 3px solid var(--c-focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--c-fg);
  color: var(--c-bg);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.8rem;
  font-weight: 500;
  z-index: 200;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
}
.skip-link:focus {
  top: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--page-px);
  height: var(--nav-h);
  background: var(--c-bg);
  border-bottom: 2px solid var(--c-fg);
}

.site-nav__logo {
  font-family: var(--f-display);
  font-size: 1.6rem;
  letter-spacing: 4px;
  text-decoration: none;
  color: var(--c-fg);
  line-height: 1;
}

.site-nav__list {
  display: flex;
  gap: 4px;
  list-style: none;
}

.site-nav__link {
  display: inline-block;
  text-decoration: none;
  color: var(--c-fg);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: var(--space-xs) var(--space-sm);
  border: 2px solid transparent;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    color 0.15s ease;
  line-height: 1.4;
}

.site-nav__link:hover {
  border-color: var(--c-fg);
}
.site-nav__link[aria-current="page"] {
  background: var(--c-fg);
  color: var(--c-bg);
}

.site-nav__toggle {
  display: none;
  background: none;
  border: 2px solid var(--c-fg);
  color: var(--c-fg);
  font-family: var(--f-body);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: var(--space-xs) var(--space-sm);
  cursor: pointer;
}

.page-content {
  flex: 1;
}

.page__header {
  padding: var(--space-xl) var(--page-px) var(--space-lg);
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
}

.page__title {
  font-family: var(--f-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: 4px;
  line-height: 1;
}

.home {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: calc(90vh - var(--nav-h));
  min-height: calc(90dvh - var(--nav-h));
  padding: var(--space-lg);
  text-align: center;
}

.home__tagline {
  font-size: clamp(0.65rem, 1.5vw, 0.75rem);
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--c-grey);
  font-weight: 300;
  margin-bottom: var(--space-xl);
}

.home__links {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 480px;
}

.home__link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-grey-light);
  text-decoration: none;
  color: var(--c-fg);
  transition:
    padding-left 0.15s ease,
    background 0.15s ease;
}

.home__link:first-child {
  border-top: 1px solid var(--c-grey-light);
}

.home__link:hover,
.home__link:focus-visible {
  padding-left: 12px;
  background: linear-gradient(90deg, var(--c-accent) 0%, transparent 100%);
  outline-offset: -3px;
}

.home__link-name {
  font-family: var(--f-display);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  letter-spacing: 3px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.home__link-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.home__link-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.home__link-arrow {
  font-size: 0.85rem;
  color: var(--c-grey);
  transition:
    transform 0.15s ease,
    color 0.15s ease;
}

.home__link:hover .home__link-arrow,
.home__link:focus-visible .home__link-arrow {
  transform: translateX(4px);
  color: var(--c-fg);
}

.blog-list {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--page-px) var(--space-2xl);
}

.blog-item {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: var(--space-md);
  align-items: baseline;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--c-grey-light);
  text-decoration: none;
  color: var(--c-fg);
  transition:
    padding-left 0.15s ease,
    padding-right 0.15s ease,
    background 0.15s ease;
}

.blog-item:first-child {
  border-top: 1px solid var(--c-grey-light);
}

.blog-item:hover,
.blog-item:focus-visible {
  background: var(--c-accent);
  padding-left: 12px;
  padding-right: 12px;
  outline-offset: -3px;
}

.blog-item__idx {
  font-family: var(--f-display);
  font-size: 1.4rem;
  color: var(--c-grey-light);
  line-height: 1;
}

.blog-item__title {
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 4px;
}
.blog-item__tags {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--c-grey);
  font-weight: 300;
}
.blog-item__date {
  font-size: 0.7rem;
  color: var(--c-grey);
  font-weight: 300;
  white-space: nowrap;
  text-align: right;
}

.projects-list {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--page-px) var(--space-2xl);
}

.project-item {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: var(--space-md);
  align-items: baseline;
  padding: 32px 0;
  border-bottom: 1px solid var(--c-grey-light);
  text-decoration: none;
  color: var(--c-fg);
  transition:
    padding-left 0.15s ease,
    padding-right 0.15s ease,
    background 0.15s ease;
}

.project-item:first-child {
  border-top: 1px solid var(--c-grey-light);
}

.project-item:hover,
.project-item:focus-visible {
  background: var(--c-accent);
  padding-left: 12px;
  padding-right: 12px;
  outline-offset: -3px;
}

.project-item__name {
  font-family: var(--f-display);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  letter-spacing: 2px;
  line-height: 1.1;
}

.project-item__desc {
  font-size: 0.8rem;
  color: var(--c-grey);
  line-height: 1.65;
  font-weight: 300;
}
.project-item__stack {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--c-grey);
  text-align: right;
  white-space: nowrap;
  font-weight: 500;
}

.article {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--page-px) var(--space-2xl);
}

.article__meta {
  font-size: 0.7rem;
  color: var(--c-grey);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 300;
  margin-bottom: var(--space-lg);
  display: flex;
  gap: var(--space-md);
}

.article__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--c-fg);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 500;
  padding: var(--space-xs) 0;
  margin-bottom: var(--space-lg);
  border-bottom: 2px solid var(--c-fg);
  transition: border-color 0.15s;
}

.article__back:hover {
  border-color: var(--c-accent);
}

.article h2 {
  font-family: var(--f-display);
  font-size: 1.8rem;
  letter-spacing: 2px;
  margin: var(--space-lg) 0 var(--space-sm);
}

.article h3 {
  font-size: 0.95rem;
  font-weight: 500;
  margin: var(--space-md) 0 var(--space-xs);
}

.article p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--c-grey);
  margin-bottom: var(--space-sm);
  font-weight: 300;
}

.article pre {
  background: var(--c-fg);
  color: var(--c-bg);
  padding: var(--space-md);
  border-radius: 2px;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.6;
  margin: var(--space-md) 0;
}

.article code {
  font-family: var(--f-body);
  font-size: 0.82rem;
}

.article p code {
  background: rgba(0, 0, 0, 0.06);
  padding: 2px 6px;
  border-radius: 2px;
}

.article ul,
.article ol {
  padding-left: var(--space-md);
  margin-bottom: var(--space-sm);
}

.article li {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--c-grey);
  font-weight: 300;
  margin-bottom: 4px;
}

.site-footer {
  margin-top: auto;
  padding: 20px var(--page-px);
  border-top: 2px solid var(--c-fg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.6rem;
  color: var(--c-grey);
  text-transform: uppercase;
  letter-spacing: 2px;
}

@media (max-width: 768px) {
  :root {
    --page-px: var(--space-md);
  }

  .site-nav__toggle {
    display: block;
  }

  .site-nav__list {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--c-bg);
    border-bottom: 2px solid var(--c-fg);
    padding: var(--space-sm);
    gap: 0;
  }

  .site-nav__list[data-open="true"] {
    display: flex;
  }
  .site-nav__list li {
    border-bottom: 1px solid var(--c-grey-light);
  }
  .site-nav__list li:last-child {
    border-bottom: none;
  }

  .site-nav__link {
    display: block;
    width: 100%;
    padding: var(--space-sm);
    font-size: 0.8rem;
    border: none;
    text-align: left;
  }
  .site-nav__link:hover {
    border: none;
    background: var(--c-accent);
  }

  .project-item {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
  .project-item__stack {
    text-align: left;
  }
}

@media (max-width: 480px) {
  :root {
    --page-px: var(--space-sm);
  }

  .home {
    padding: var(--space-lg) var(--space-sm);
  }
  .home__links {
    max-width: 100%;
  }
  .home__tagline {
    letter-spacing: 2px;
  }

  .blog-item {
    grid-template-columns: 36px 1fr;
    gap: var(--space-sm);
  }
  .blog-item__date {
    display: none;
  }

  .site-footer {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-contrast: high) {
  :root {
    --c-grey: #444;
    --c-grey-light: #aaa;
    --c-accent: #ffff00;
  }
}

@media print {
  .site-nav,
  .site-nav__toggle,
  .skip-link {
    display: none;
  }
  body {
    font-size: 12pt;
  }
  a {
    text-decoration: underline;
  }
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}