:root {
  --accent: #d6336c;
  --accent-2: #3aa6d6;
  --fg: #181820;
  --muted: #6b6b78;
  --bg: #ffffff;
  --bg-soft: #f6f5f8;
  --card: #ffffff;
  --rule: #e7e5ec;
  --shadow: 0 1px 2px rgba(20,16,30,.04), 0 8px 24px rgba(20,16,30,.06);
  --shadow-lg: 0 6px 16px rgba(20,16,30,.08), 0 20px 48px rgba(20,16,30,.12);
  --radius: 14px;
  --maxw: 1120px;
  --readw: 42rem;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.015em; }
.muted { color: var(--muted); }
.kicker {
  display: inline-block;
  font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .5rem;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: .85rem 1.25rem;
  display: flex; align-items: center; gap: 1rem;
}
.brand {
  font-weight: 800; font-size: 1.4rem; letter-spacing: -.02em;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  white-space: nowrap;
}
.nav .brand { font-size: 1.45rem; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.nav-links a { font-size: .9rem; font-weight: 500; color: var(--muted); transition: color .15s; }
.nav-links a:hover { color: var(--accent); }
.nav-pdf {
  background: var(--accent); color: #fff !important; padding: .4rem .8rem; border-radius: 999px;
  font-weight: 600 !important; font-size: .82rem !important;
}
.nav-pdf:hover { filter: brightness(1.08); }
.nav-rss { font-size: .82rem !important; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; font-size: 1.5rem; color: var(--fg); cursor: pointer; }

main { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* ---------- hero (image on top, text below — always readable) ---------- */
.hero { margin: 2.25rem 0 1rem; }
.hero-link {
  display: block; border: 1px solid var(--rule); border-radius: 20px; overflow: hidden;
  background: var(--card); box-shadow: var(--shadow); transition: box-shadow .2s, transform .2s;
}
.hero-link:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.hero-media { aspect-ratio: 21 / 9; background: var(--bg-soft); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-text { padding: 1.6rem 2rem 1.9rem; }
.hero-title { font-size: 2rem; margin: .2rem 0 .5rem; max-width: 40ch; }
.hero-meta { color: var(--muted); font-size: .9rem; margin: 0 0 .8rem; }
.hero-excerpt {
  color: #3c3c47; margin: 0 0 1rem; max-width: 70ch;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.read-more { font-weight: 700; color: var(--accent); }

/* hero variant: text overlaid on the image (for clean, text-free images) */
.hero--overlay .hero-link { position: relative; }
.hero--overlay .hero-media { aspect-ratio: 2 / 1; }
.hero--overlay .hero-text {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 2.4rem 2.4rem 2rem;
  background: linear-gradient(to top, rgba(12,10,18,.92), rgba(12,10,18,.45) 55%, transparent);
}
.hero--overlay .kicker { color: #fff; opacity: .92; }
.hero--overlay .hero-title { color: #fff; }
.hero--overlay .hero-meta { color: rgba(255,255,255,.82); }
.hero--overlay .hero-excerpt { color: rgba(255,255,255,.92); }
.hero--overlay .read-more { color: #fff; border-bottom: 2px solid var(--accent); padding-bottom: 2px; }

/* ---------- sections + grid ---------- */
.section { margin: 2.75rem 0; }
.section-head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 1.1rem; }
.section-title {
  font-size: 1.15rem; margin: 0; position: relative; padding-left: .8rem;
}
.section-title::before {
  content: ""; position: absolute; left: 0; top: .15em; bottom: .15em; width: 4px; border-radius: 4px;
  background: linear-gradient(var(--accent), var(--accent-2));
}
.card-grid {
  display: grid; gap: 1.4rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

/* ---------- cards ---------- */
.card {
  background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: box-shadow .2s, transform .2s, border-color .2s;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: transparent; }
.card--featured { border-color: color-mix(in srgb, var(--accent) 45%, var(--rule)); }
.card-link { display: flex; flex-direction: column; height: 100%; }
.card-thumb {
  position: relative;
  aspect-ratio: 16/9; background: linear-gradient(135deg, var(--accent), var(--accent-2)); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.card-flag {
  position: absolute; top: .6rem; left: .6rem; z-index: 2;
  background: var(--accent); color: #fff; font-size: .62rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; padding: .25rem .55rem; border-radius: 999px;
}
.card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.card:hover .card-thumb img { transform: scale(1.04); }
.card-thumb-fallback { color: #fff; font-size: 2.4rem; font-weight: 800; opacity: .7; }
.card-body { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.card-tag {
  align-self: flex-start; font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent);
  padding: .2rem .55rem; border-radius: 999px;
}
.card-title { font-size: 1.08rem; margin: .1rem 0 0; }
.card-meta { color: var(--muted); font-size: .82rem; margin-top: auto; padding-top: .4rem; }
.card-excerpt { color: #4a4a55; font-size: .92rem; margin: .35rem 0 0; }

/* ---------- haiku cards (open a modal, no page) ---------- */
button.card-link {
  width: 100%; border: 0; background: none; font: inherit; color: inherit;
  text-align: left; cursor: pointer; padding: 0;
}
.card--haiku {
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 7%, var(--card)), var(--card));
  border-color: color-mix(in srgb, var(--accent) 22%, var(--rule));
}
.card--haiku .card-body {
  align-items: center; text-align: center; justify-content: center; gap: .7rem;
  padding: 1.7rem 1.25rem;
}
.card--haiku .card-tag { align-self: center; color: var(--accent-2); background: color-mix(in srgb, var(--accent-2) 12%, transparent); }
.card--haiku .card-title { color: var(--muted); font-size: .92rem; font-weight: 600; }
.card--haiku .card-meta { margin-top: 0; }
.haiku-lines { margin: .2rem 0; font-style: italic; font-size: 1.06rem; line-height: 1.75; color: var(--fg); }

/* ---------- haiku modal ---------- */
body.modal-open { overflow: hidden; }
.haiku-modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.haiku-modal[hidden] { display: none; }
.haiku-modal-backdrop { position: absolute; inset: 0; background: rgba(12,10,18,.6); backdrop-filter: blur(4px); }
.haiku-modal-card {
  position: relative; z-index: 1; width: 100%; max-width: 32rem;
  background: var(--card); border-radius: 20px; box-shadow: var(--shadow-lg);
  padding: 3rem 2.5rem 2.4rem; text-align: center; animation: haikuPop .2s ease;
}
@keyframes haikuPop { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }
.haiku-modal-close { position: absolute; top: .5rem; right: .85rem; border: 0; background: none; font-size: 1.9rem; line-height: 1; color: var(--muted); cursor: pointer; }
.haiku-modal-close:hover { color: var(--accent); }
.haiku-modal-lines { margin: .3rem 0 1.2rem; font-style: italic; font-size: 1.55rem; line-height: 1.7; color: var(--fg); }
.haiku-modal-title { margin: 0 0 .3rem; font-size: .95rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); }
.haiku-modal-date { margin: 0; color: var(--muted); font-size: .85rem; }
@media (max-width: 640px) {
  .haiku-modal-card { padding: 2.4rem 1.6rem 2rem; }
  .haiku-modal-lines { font-size: 1.3rem; }
}

/* ---------- page head (tag/author) ---------- */
.page-head { margin: 2.5rem 0 1.5rem; padding-bottom: 1.2rem; border-bottom: 1px solid var(--rule); }
.page-head h1 { font-size: 2rem; margin: 0 0 .25rem; }

/* ---------- post ---------- */
.post { max-width: var(--readw); margin: 2.5rem auto 0; }
.post-hero { margin: 0 0 1.8rem; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); }
.post-hero img { width: 100%; max-height: 460px; object-fit: cover; }
.post-head { margin-bottom: 1.8rem; }
.post-kicker { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: .7rem; }
.post-kicker a {
  font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent); padding: .22rem .6rem; border-radius: 999px;
}
.post-head h1 { font-size: 2.3rem; margin: 0 0 .6rem; }
.post-meta { color: var(--muted); font-size: .92rem; }
.post-meta .dot { margin: 0 .45rem; }
.post-meta a:hover { color: var(--accent); }
.post-body { font-size: 1.08rem; }
.post-body > *:first-child { margin-top: 0; }
.post-body h2 { font-size: 1.5rem; margin: 2.2rem 0 .6rem; }
.post-body h3 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 1.8rem 0 .4rem; }
.post-body p { margin: 0 0 1.15rem; }
.post-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
.post-body img { border-radius: 12px; margin: 1.6rem 0; box-shadow: var(--shadow); }
.post-body ul, .post-body ol { padding-left: 1.3rem; margin: 0 0 1.15rem; }
.post-body li { margin: .35rem 0; }
.post-body blockquote {
  margin: 1.6rem 0; padding: .4rem 0 .4rem 1.3rem; border-left: 4px solid var(--accent);
  color: #3c3c47; font-style: italic;
}
.post-body hr { border: 0; border-top: 1px solid var(--rule); margin: 2.4rem 0; }
.post-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--rule);
}
.back { font-weight: 600; color: var(--muted); }
.back:hover { color: var(--accent); }

/* ---------- footer ---------- */
.site-footer { margin-top: 4.5rem; border-top: 1px solid var(--rule); background: var(--bg-soft); }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 2.5rem 1.25rem 3rem; }
.footer-desc { color: var(--muted); margin: .6rem 0 1rem; max-width: 36rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.1rem; }
.footer-links a { color: var(--muted); font-size: .9rem; }
.footer-links a:hover { color: var(--accent); }

/* ---------- responsive ---------- */
@media (max-width: 820px) {
  .hero-link { grid-template-columns: 1fr; }
  .hero-media { aspect-ratio: 16/9; }
  .hero-text { padding: 1.4rem 1.5rem 1.8rem; }
  .hero-title { font-size: 1.6rem; }
}
@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; width: 100%; flex-direction: column; align-items: flex-start; gap: .8rem;
    margin: .5rem 0 0; padding-top: .8rem; border-top: 1px solid var(--rule);
  }
  body.nav-open .nav-links { display: flex; }
  .nav-inner { flex-wrap: wrap; }
  .post-head h1 { font-size: 1.8rem; }
}