:root {
  --max-width: 840px;
  --accent: #29dba0;
  --accent-rgb: 41, 219, 160;
  --bg: #111;
  --text: #e5e5e5;
  --muted: #999;
  --border: #333;
  --border-hover: #555;
  --header-bg: rgba(17, 17, 17, 0.7);
  --header-shadow: rgba(0, 0, 0, 0.45); 
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
  scrollbar-gutter: stable;
}

html,
body {
  min-height: 100vh;
}

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 Inter, system-ui, sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
}

a { color: inherit; }

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

::selection { background: rgba(var(--accent-rgb), 0.2); }

img {
  max-width: 100%;
  height: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--header-bg);
  box-shadow: 0 4px 16px var(--header-shadow);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 64px;
}

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

.site-title {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav a,
.footer-links a,
.project-links a { text-decoration: none; }

.nav a:hover,
.footer-links a:hover,
.project-links a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

main {
  flex: 1;
  padding: 3rem 0;
  animation: page-in 180ms ease-out both;
}

.is-leaving main {
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity 140ms ease-in,
    transform 140ms ease-in;
}

@keyframes page-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

section + section { margin-top: 3rem; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin: 2rem 0 1rem;
}

.section-head h2 {
  margin: 0;
}

.section-more {
  flex-shrink: 0;
  color: var(--muted);
  font-size: 0.875rem;
  text-decoration: none;
}

.section-more:hover {
  color: var(--text);
}

.post-cards,
.project-cards {
  display: grid;
  gap: 1rem;
}

.project-cards {
  grid-template-columns: repeat(2, 1fr);
}

/* Home preview: keep the row complete — 2 columns shows 2, 3 columns shows 3 */
.project-cards--preview .project-card:nth-child(3) {
  display: none;
}

.post-card a,
.project-card a {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.02);
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.post-card a {
  display: block;
}

.project-card a {
  position: relative;
  display: flex;
  flex-direction: column;
  aspect-ratio: 4 / 3;
  padding: 2.75rem 1.25rem 1.25rem;
  overflow: hidden;
}

.tag {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 5px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.12);
}

.project-tag {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
}

.project-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
}

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

.post-card a:hover,
.project-card a:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
}

.post-card time {
  display: block;
  color: var(--muted);
  font-size: 0.875rem;
}

.post-card h2,
.post-card h3,
.project-card h2,
.project-card h3 {
  margin: 0.35rem 0 0.5rem;
  font-size: 1.17em;
}

.post-card p,
.project-card p {
  margin: 0;
  color: var(--muted);
}

/* Truncate the card description at a whole-line boundary (with ellipsis)
   so a partial last line never gets sliced by the card's overflow. */
.project-card p {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  overflow-wrap: anywhere;
}

@media (min-width: 720px) {
  .project-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  /* 3 columns: show the 3rd preview card again */
  .project-cards--preview .project-card:nth-child(3) {
    display: block;
  }

  /* taller cards (3-col) fit one more description line */
  .project-card p {
    -webkit-line-clamp: 3;
    line-clamp: 3;
  }
}

/* --- 1-column support (very narrow screens) — self-contained, safe to remove --- */
@media (max-width: 399px) {
  .project-cards {
    grid-template-columns: 1fr;
  }

  .project-cards--preview .project-card:nth-child(3) {
    display: block;
  }

  /* full-width card is much taller — allow more description lines */
  .project-card p {
    -webkit-line-clamp: 5;
    line-clamp: 5;
  }
}

/* Typography */
h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.03em;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 4vw, 3rem);
}

.content-header h1 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
}

h2 { margin: 2rem 0 1rem; }

p { margin: 1rem 0; }

.content-header {
  margin-bottom: 2rem;
}

.content-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.post > p > img,
.post figure {
  margin: 1.5rem 0;
}

.post > p > img,
.post figure img {
  display: block;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.post figure {
  color: var(--muted);
}

.post figcaption {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  text-align: center;
}

.post .inline-image {
  display: inline;
  width: 1.25em;
  margin: 0 0.15em;
  vertical-align: -0.2em;
}

.code-block {
  position: relative;
}

pre {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.025);
}

code,
pre {
  font-family: "Source Code Pro", monospace;
  font-size: 0.9375rem;
}

code {
  padding: 0.12em 0.32em;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.045);
}

pre code {
  display: block;
  padding: 0 3.5rem 0 0;
  background: transparent;
}

.copy-code {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  padding: 0.25rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #181818;
  color: var(--muted);
  font: inherit;
  font-size: 0.75rem;
  line-height: 1;
  cursor: pointer;
  transition:
    color 140ms ease,
    border-color 140ms ease,
    transform 140ms ease;
}

.copy-code:hover {
  color: var(--text);
  border-color: var(--border-hover);
}

.copy-code.is-copied {
  color: var(--accent);
  transform: scale(1.05);
}

blockquote {
  margin: 1.5rem 0;
  padding-left: 1rem;
  border-left: 2px solid var(--border);
  color: var(--muted);
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* Footer */
footer { padding: 1.5rem 0; }

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: var(--muted);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 0.35rem;
}

.footer-content p { margin: 0; }