@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  color-scheme: light;
  --bg: #f2f4ef;
  --bg-soft: #f8faf5;
  --ink: #171a17;
  --muted: #5d645f;
  --line: #d6dbd3;
  --panel: rgba(255, 255, 255, 0.76);
  --accent: #1b8a72;
  --accent-strong: #126754;
  --signal: #ef8f45;
  --shadow: 0 14px 44px rgba(24, 40, 31, 0.1);
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #111511;
    --bg-soft: #171c17;
    --ink: #eff6ef;
    --muted: #b6c0b7;
    --line: #2a342c;
    --panel: rgba(25, 31, 25, 0.8);
    --accent: #5fd0b6;
    --accent-strong: #7de1c9;
    --signal: #f6b479;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  }
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", serif;
  background:
    radial-gradient(1200px 640px at 12% -12%, rgba(27, 138, 114, 0.2), transparent 52%),
    radial-gradient(900px 540px at 104% 8%, rgba(239, 143, 69, 0.18), transparent 48%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
}
a {
  color: var(--accent-strong);
  text-underline-offset: 2px;
  transition: color 160ms ease;
}
a:hover { color: var(--signal); }
.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 2.8rem 0 3.6rem;
}
.hero {
  position: relative;
  margin-bottom: 2rem;
  padding: 1.3rem 1.35rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.hero::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 22px;
  pointer-events: none;
  border: 1px solid color-mix(in oklab, var(--accent) 24%, transparent);
  mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
  mask-composite: exclude;
  padding: 1px;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: .65rem;
  padding: .25rem .6rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: "Space Grotesk", ui-sans-serif, sans-serif;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.hero-kicker::before {
  content: "";
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--accent), var(--signal));
}
.hero h1 {
  margin: 0 0 .5rem;
  font-family: "Space Grotesk", ui-sans-serif, sans-serif;
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -.02em;
}
.hero p {
  margin: 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}
.hero-meta {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}
.hero-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .2rem .62rem;
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .76rem;
}
.post-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.post-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 188px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(140deg, color-mix(in oklab, var(--panel) 95%, white) 0%, var(--panel) 100%);
  box-shadow: var(--shadow);
  padding: 1.05rem 1.05rem 1rem;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.post-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--accent) 42%, var(--line));
  box-shadow: 0 20px 44px rgba(20, 42, 30, 0.18);
}
.post-card h2 {
  margin: 0 0 .35rem;
  font-family: "Space Grotesk", ui-sans-serif, sans-serif;
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.28;
  color: var(--ink);
}
.post-meta {
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .77rem;
  margin-bottom: .55rem;
}
.post-excerpt {
  color: color-mix(in oklab, var(--ink) 72%, var(--muted));
  margin: 0;
  line-height: 1.6;
}
.post-read {
  margin-top: .9rem;
  color: var(--accent);
  font-family: "Space Grotesk", ui-sans-serif, sans-serif;
  font-size: .84rem;
  font-weight: 500;
}
.article-shell {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  overflow: hidden;
}
.topbar {
  padding: .88rem 1.08rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  align-items: center;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .8rem;
}
.topbar a { color: var(--accent-strong); }
.article {
  padding: 1.3rem 1.2rem 1.55rem;
  font-size: 1.02rem;
}
.article h1, .article h2, .article h3, .article h4 {
  font-family: "Space Grotesk", ui-sans-serif, sans-serif;
  line-height: 1.2;
  letter-spacing: -.01em;
}
.article h1 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-top: 0; }
.article h2 {
  font-size: clamp(1.2rem, 2.3vw, 1.62rem);
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  margin-top: 1.4rem;
}
.article h3 { font-size: 1.1rem; margin-top: 1.2rem; }
.article p, .article li { line-height: 1.76; }
.article blockquote {
  margin: 1.15rem 0;
  padding: .25rem .9rem;
  border-left: 3px solid var(--signal);
  color: color-mix(in oklab, var(--ink) 75%, var(--muted));
}
.article code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .9em;
  background: color-mix(in oklab, var(--bg-soft) 85%, var(--line));
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .08em .36em;
}
.article pre {
  overflow: auto;
  border-radius: 12px;
  padding: .85rem;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg-soft) 90%, var(--line));
}
.article pre code {
  border: 0;
  padding: 0;
  background: transparent;
}
.article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: .95rem;
}
.article th, .article td {
  border: 1px solid var(--line);
  padding: .52rem .55rem;
  text-align: left;
}
.article th {
  font-family: "Space Grotesk", ui-sans-serif, sans-serif;
  background: color-mix(in oklab, var(--bg-soft) 88%, var(--line));
}
footer {
  margin-top: 2rem;
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .8rem;
}
.fade-rise {
  animation: fadeRise 560ms cubic-bezier(.17,.67,.34,.99) both;
}
.post-card:nth-child(2) { animation-delay: 70ms; }
.post-card:nth-child(3) { animation-delay: 130ms; }
.post-card:nth-child(4) { animation-delay: 180ms; }
@keyframes fadeRise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 900px) {
  .post-list { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .container { width: min(700px, 94vw); padding: 1.3rem 0 2.3rem; }
  .hero { padding: 1rem .95rem 1.1rem; }
  .article { padding: 1.05rem .9rem 1.2rem; }
  .topbar { padding: .75rem .9rem; }
}