/* ---------------------------------------------------------------
   Cross-Cultural Ministry — yungs.au
   Rev David Yung 翁沛偉牧師
   Shared stylesheet. Every page links to this one file, so a change
   here changes the whole site.
   --------------------------------------------------------------- */

:root {
  /* Ground — deep teal ink */
  --ink:         #06201F;
  --ink-raised:  #0B2C2B;
  --ink-edge:    #14403D;

  /* Accent — terracotta */
  --clay:        #C96F4C;
  --clay-soft:   #E0906C;
  --clay-dim:    rgba(201, 111, 76, 0.22);

  /* Type */
  --text:        #ECF1EE;
  --text-muted:  #9DB4AF;
  --text-faint:  #6F8B87;

  --rule:        rgba(157, 180, 175, 0.18);

  --display: "Fraunces", Georgia, "Songti SC", "Noto Serif SC", serif;
  --body:    "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI",
             "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;

  --measure: 36rem;   /* essay measure — narrow, for long reading */
  --pad:     1.5rem;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink);
  background-image:
    radial-gradient(120% 80% at 50% -10%, #0E3634 0%, rgba(6,32,31,0) 60%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--clay-soft); text-decoration-color: var(--clay-dim); text-underline-offset: 3px; }
a:hover { color: var(--clay); }

/* ---------------------------------------------------------- masthead */

.masthead {
  border-bottom: 1px solid var(--rule);
  padding: 2.25rem var(--pad) 1.75rem;
}
.masthead-inner {
  max-width: 46rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.mark { width: 46px; height: 46px; flex: 0 0 auto; display: block; }
.masthead h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.35rem, 1.05rem + 1.3vw, 1.9rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
}
.masthead .byline {
  margin: 0.3rem 0 0;
  font-size: 0.83rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.masthead .byline.cjk { text-transform: none; letter-spacing: 0.08em; }

.langswitch {
  margin-left: auto;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  text-decoration: none;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  white-space: nowrap;
  align-self: flex-start;
}
.langswitch:hover { color: var(--clay-soft); border-color: var(--clay-dim); }

/* ------------------------------------------------------------- shell */

.wrap { max-width: 46rem; margin: 0 auto; padding: 2.5rem var(--pad) 4rem; }
.wrap.narrow { max-width: calc(var(--measure) + 2 * var(--pad)); }

.standfirst {
  font-family: var(--display);
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0 0 2.5rem;
  max-width: 32rem;
}

/* -------------------------------------------------------- post list */

.posts { list-style: none; margin: 0; padding: 0; }

.posts li { border-top: 1px solid var(--rule); }
.posts li:last-child { border-bottom: 1px solid var(--rule); }

.posts a {
  display: block;
  padding: 1.5rem 0;
  text-decoration: none;
  color: inherit;
}
.posts a:hover .post-title { color: var(--clay-soft); }

.post-meta {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  flex-wrap: wrap;
}
.post-meta .num { color: var(--clay); font-variant-numeric: tabular-nums; }
.post-meta.cjk { text-transform: none; letter-spacing: 0.06em; }

.post-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.28rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0.45rem 0 0.4rem;
  transition: color 0.15s ease;
}
.post-blurb { margin: 0; color: var(--text-muted); font-size: 0.95rem; line-height: 1.55; }

.empty {
  border: 1px dashed var(--rule);
  border-radius: 10px;
  padding: 2rem;
  color: var(--text-faint);
  text-align: center;
}

/* ------------------------------------------------------------ essay */

.essay-head { margin: 0 0 2.5rem; }
.essay-head .post-meta { margin-bottom: 0.8rem; }
.essay-head h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.75rem, 1.3rem + 2vw, 2.5rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0;
}

.summary {
  border-left: 2px solid var(--clay);
  background: var(--ink-raised);
  border-radius: 0 8px 8px 0;
  padding: 1.1rem 1.3rem;
  margin: 1.8rem 0 0;
  color: var(--text-muted);
  font-size: 0.97rem;
  line-height: 1.6;
}
.summary .label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 0.45rem;
}
.summary .label.cjk { text-transform: none; letter-spacing: 0.12em; }

.essay {
  font-size: 1.12rem;
  line-height: 1.95;             /* looser than the study sheets */
  max-width: var(--measure);
}
.essay p { margin: 0 0 1.5rem; }
.essay > p:first-of-type::first-line { letter-spacing: 0.005em; }

.essay h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.3rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 3rem 0 1.1rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--rule);
  color: var(--text);
}
.essay h3 {
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 2.2rem 0 0.8rem;
}
.essay h3.cjk { text-transform: none; letter-spacing: 0.1em; font-size: 0.95rem; }

.essay blockquote {
  margin: 2rem 0;
  padding: 0 0 0 1.4rem;
  border-left: 2px solid var(--clay-dim);
  font-family: var(--display);
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--text-muted);
}
.essay blockquote p:last-child { margin-bottom: 0; }

.essay ul, .essay ol { margin: 0 0 1.5rem; padding-left: 1.3rem; }
.essay li { margin-bottom: 0.6rem; }
.essay li::marker { color: var(--clay); }

.essay strong { color: #FFF; font-weight: 600; }
.essay em { font-style: italic; }

.essay hr { border: 0; border-top: 1px solid var(--rule); margin: 3rem 0; }

.essay table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.8rem;
  font-size: 0.95rem;
}
.essay th, .essay td {
  border: 1px solid var(--rule);
  padding: 0.6rem 0.75rem;
  text-align: left;
  vertical-align: top;
}
.essay th { background: var(--ink-raised); font-weight: 600; }

/* ----------------------------------------------------------- footer */

.footer {
  border-top: 1px solid var(--rule);
  margin-top: 4rem;
  padding: 2rem var(--pad) 3rem;
  color: var(--text-faint);
  font-size: 0.85rem;
  text-align: center;
}
.footer-inner { max-width: 46rem; margin: 0 auto; }
.footer p { margin: 0.3rem 0; }
.footer a { color: var(--text-muted); }

.backlink {
  display: inline-block;
  margin-bottom: 2rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-faint);
}
.backlink:hover { color: var(--clay-soft); }
.backlink.cjk { text-transform: none; letter-spacing: 0.06em; }

/* Chinese text wants a little more room between lines */
html[lang^="zh"] body { line-height: 1.8; }
html[lang^="zh"] .essay { line-height: 2.0; font-size: 1.05rem; }

@media (max-width: 480px) {
  body { font-size: 16px; }
  .masthead { padding-top: 1.75rem; }
  .mark { width: 38px; height: 38px; }
}

@media print {
  body { background: #fff; color: #000; }
  .masthead, .footer, .backlink, .langswitch { display: none; }
  .essay { max-width: none; }
}

/* ----------------------------------------------------------- figures */

.essay figure {
  margin: 2.5rem 0;
  padding: 0;
}
.essay figure img,
.essay figure svg {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--ink-raised);
}
.essay figcaption {
  margin-top: 0.7rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-faint);
}
.essay figcaption .fig-label {
  color: var(--clay);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
  margin-right: 0.5rem;
}

/* Figures may run wider than the reading measure */
.essay figure.wide {
  width: min(46rem, calc(100vw - 2 * var(--pad)));
  margin-left: calc((var(--measure) - min(46rem, 100vw - 2 * var(--pad))) / 2);
}
@media (max-width: 46rem) {
  .essay figure.wide { width: 100%; margin-left: 0; }
}

/* ----------------------------------------------------------- sources */

.essay h2.sources-head { font-size: 1.05rem; }

.essay .sources {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-muted);
}
.essay .sources li {
  padding-left: 1.4rem;
  text-indent: -1.4rem;   /* hanging indent, as a reference list wants */
  margin-bottom: 0.8rem;
}
.essay .sources li::marker { content: ""; }

/* ------------------------------------------------------------- video */

.videoslot {
  margin: 0 0 2.5rem;
  border: 1px solid var(--rule);
  border-radius: 10px;
  overflow: hidden;
  background: var(--ink-raised);
}
.videoslot video { display: block; width: 100%; height: auto; background: #000; }
.videoslot .placeholder {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.9rem;
  line-height: 1.6;
}
.videoslot .placeholder svg { width: 54px; height: 54px; margin-bottom: 1rem; opacity: 0.75; }
.videoslot .placeholder code {
  color: var(--clay-soft);
  font-size: 0.85em;
  background: rgba(201, 111, 76, 0.10);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

/* ------------------------------------------------------- editor note */

.note {
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  margin: 0 0 2.5rem;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-faint);
}
.note strong { color: var(--text-muted); }

/* --------------------------------------------------- embedded video */

.essay figure.ytwrap { margin: 0 0 2.5rem; }

.yt {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--rule);
  border-radius: 10px;
  overflow: hidden;
  background: #000;
}
.essay .yt iframe,
.yt iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.yt-cover {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  position: relative;
}
.essay .yt-cover img,
.yt-cover img {
  width: 100%;
  height: 100%;
  /* the 4:3 thumbnail is cropped to 16:9, which removes YouTube's bars */
  object-fit: cover;
  display: block;
  border: 0;
  border-radius: 0;
  opacity: 0.82;
  transition: opacity 0.2s ease, transform 0.4s ease;
}
.essay .yt-cover:hover img,
.essay .yt-cover:focus-visible img,
.yt-cover:hover img,
.yt-cover:focus-visible img { opacity: 1; transform: scale(1.015); }

.yt-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 78px;
  pointer-events: none;
}
.yt-play svg { width: 100%; height: auto; display: block; filter: drop-shadow(0 3px 10px rgba(0,0,0,.5)); }
.yt-cover:hover .yt-play svg { filter: drop-shadow(0 3px 14px rgba(0,0,0,.7)); }
.yt-cover:focus-visible { outline: 2px solid var(--clay-soft); outline-offset: 3px; }

/* --------------------------------------------------- essays page heading */

.section-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.015em;
  margin: 0 0 0.8rem;
}

/* The title page (index.html / index-cn.html) is self-contained — its own
   inline styles, its own palette, its own fonts. It does not use this file. */

/* ------------------------------------------------------------- wordmark */
/* The masthead carries the same name as the title page, so "home" looks
   like home. Mirrors the hero's treatment at small size. */

.masthead h1.wordmark { letter-spacing: -0.005em; }
.masthead h1.wordmark a { color: inherit; text-decoration: none; }

.wm-dim    { color: var(--text-faint); font-style: italic; font-weight: 400; }
.wm-strike { color: var(--text-faint); font-style: italic; position: relative; font-weight: 400; }
.wm-strike::after {
  content: "";
  position: absolute;
  left: -0.04em; right: -0.04em; top: 0.56em;
  height: 1px;
  background: currentColor;
  opacity: 0.8;
}
.wm-hi  { color: var(--clay-soft); font-weight: 600; }
.wm-han { font-weight: 600; color: var(--text); }
.wm-amp { color: var(--clay); font-style: italic; margin: 0 0.28em; }

.masthead .byline.tagline {
  text-transform: none;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
}
.masthead .byline.tagline .wm-han { font-weight: 500; color: var(--text-muted); }