/* Resources sub-pages — About / Classroom English / Stories
   Loads on top of hub.css. Uses the WotD color palette for accents. */

/* Inherit WotD palette if wotd.css is not loaded */
:root {
  --r-blue: #2d6aa8;
  --r-blue-deep: #1c4d7e;
  --r-blue-soft: #e3eef8;
  --r-green: #5b9d5b;
  --r-green-deep: #3d7a3d;
  --r-green-soft: #e7f3e7;
  --r-orange: #d97818;
  --r-orange-deep: #a85a0c;
  --r-orange-soft: #fce7d0;
  --r-purple: #7e5fa3;
  --r-purple-deep: #5b417d;
  --r-purple-soft: #ece4f4;
}

/* Embedded YouTube playlist (Classroom English, Announcements, etc.) */
.playlist-wrap {
  margin: 36px 0 12px;
  max-width: 980px;
}
.playlist-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 16px 40px -16px rgba(28,77,126,.30);
}
.playlist-frame iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}
.playlist-credit {
  margin-top: 14px;
  font-size: .92rem;
  color: var(--hub-ink-soft);
  text-align: center;
}
.playlist-credit a {
  color: var(--hub-primary-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--c-orange);
}
.playlist-credit a:hover { color: var(--c-orange-deep); }

/* Resources section heading (mirrors festivals .sem__title pattern) */
.resources-h2 {
  font-family: var(--hub-serif);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  color: var(--hub-ink);
  letter-spacing: -.005em;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--c-orange);
  margin: 0 0 24px;
}
.resources-h2 small {
  font-family: var(--hub-en-font), var(--hub-zh-font);
  font-weight: 500;
  font-size: .55em;
  color: var(--hub-ink-soft);
  letter-spacing: 0;
  margin-left: 14px;
}
.hub-section + .hub-section .resources-h2 { margin-top: 0; }

/* About Changhua stats strip */
.about-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 40px;
  padding: 24px 0;
  border-top: 1px solid var(--hub-line);
  border-bottom: 1px solid var(--hub-line);
}
@media (min-width: 720px) {
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 32px; }
}
.about-stat {
  text-align: left;
}
.about-stats .about-stat-num {
  font-family: var(--hub-serif);
  font-size: 2.6rem; font-weight: 700;
  color: var(--hub-primary);
  letter-spacing: -.01em;
  margin: 0 0 6px;
  line-height: 1;
}
@media (min-width: 720px) {
  .about-stats .about-stat-num { font-size: 3rem; }
}
.about-stats .about-stat-num .unit {
  font-size: .42em; font-weight: 500;
  color: var(--hub-ink-faint);
  margin-left: 6px;
  letter-spacing: 0;
}
.about-stats .about-stat-en {
  font-size: .82rem; letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--hub-ink-soft);
  font-weight: 700; margin: 0 0 4px;
}
.about-stats .about-stat-zh {
  font-family: var(--hub-zh-font);
  font-size: .88rem; color: var(--hub-ink-faint);
  margin: 0; line-height: 1.5;
}

.about-list {
  margin: 16px 0 0 0;
  padding-left: 22px;
  font-size: 1.02rem; line-height: 1.75;
  color: var(--hub-ink);
}
.about-list li { margin-bottom: 8px; }
.about-list li strong { color: var(--hub-primary-deep); }

.hub-section--narrow p {
  font-size: 1.02rem;
  line-height: 1.75;
  margin: 12px 0 0;
  color: var(--hub-ink);
}
.hub-section--narrow .hub-zh {
  color: var(--hub-ink-soft);
}

/* ===== Classroom English ===== */
.ce-grid {
  display: grid; gap: 28px;
  grid-template-columns: 1fr;
  margin-top: 40px;
}
@media (min-width: 880px) {
  .ce-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}
.ce-card {
  background: #fff;
  border: 1px solid var(--hub-line);
  border-top: 8px solid var(--r-blue);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 16px -6px rgba(28,77,126,.10);
}
.ce-card.t-blue { border-top-color: var(--r-blue); }
.ce-card.t-green { border-top-color: var(--r-green); }
.ce-card.t-orange { border-top-color: var(--r-orange); }
.ce-card.t-purple { border-top-color: var(--r-purple); }
.ce-head {
  padding: 24px 26px 16px;
}
.ce-num {
  font-family: var(--hub-serif);
  font-size: .72rem; font-weight: 700;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--r-orange-deep);
  margin: 0 0 4px;
}
.ce-card.t-green .ce-num { color: var(--r-green-deep); }
.ce-card.t-orange .ce-num { color: var(--r-orange-deep); }
.ce-card.t-purple .ce-num { color: var(--r-purple-deep); }
.ce-title {
  font-family: var(--hub-serif);
  font-size: 1.65rem; font-weight: 700;
  color: var(--r-blue-deep);
  margin: 0;
  line-height: 1.15;
}
.ce-card.t-green .ce-title { color: var(--r-green-deep); }
.ce-card.t-orange .ce-title { color: var(--r-orange-deep); }
.ce-card.t-purple .ce-title { color: var(--r-purple-deep); }
.ce-zh {
  font-family: var(--hub-zh-font);
  color: var(--hub-ink-soft);
  font-size: 1.02rem; font-weight: 500;
  margin: 4px 0 0;
}
.ce-phrases {
  list-style: none; padding: 0; margin: 0;
}
.ce-phrase {
  padding: 14px 26px;
  border-top: 1px solid var(--hub-line-soft);
  display: flex; flex-direction: column; gap: 4px;
}
.ce-phrase:nth-child(odd) {
  background: #fbfbf9;
}
.ce-phrase .en {
  font-size: 1rem; line-height: 1.5;
  color: var(--hub-ink); font-weight: 500;
}
.ce-phrase .zh {
  font-family: var(--hub-zh-font);
  font-size: .88rem;
  color: var(--hub-ink-soft);
  line-height: 1.55;
}

/* ===== Story cards (Eric Berman) ===== */
.story-list {
  display: grid; gap: 32px;
  grid-template-columns: 1fr;
  margin-top: 40px;
}
.story-card {
  padding: 32px 36px;
  background: #fff;
  border: 1px solid var(--hub-line);
  border-left: 6px solid var(--r-orange);
  border-radius: 12px;
  box-shadow: 0 6px 16px -6px rgba(28,77,126,.08);
}
.story-card:nth-child(2) { border-left-color: var(--r-blue); }
.story-card:nth-child(3) { border-left-color: var(--r-green); }
.story-card:nth-child(4) { border-left-color: var(--r-purple); }

.story-num {
  font-family: var(--hub-serif);
  font-size: .75rem; font-weight: 700;
  letter-spacing: .25em; text-transform: uppercase;
  color: var(--r-orange-deep);
  margin: 0;
}
.story-card:nth-child(2) .story-num { color: var(--r-blue-deep); }
.story-card:nth-child(3) .story-num { color: var(--r-green-deep); }
.story-card:nth-child(4) .story-num { color: var(--r-purple-deep); }
.story-title {
  font-family: var(--hub-serif);
  font-size: 1.7rem; font-weight: 700;
  color: var(--r-orange-deep);
  margin: 8px 0 4px;
  line-height: 1.2;
}
.story-card:nth-child(2) .story-title { color: var(--r-blue-deep); }
.story-card:nth-child(3) .story-title { color: var(--r-green-deep); }
.story-card:nth-child(4) .story-title { color: var(--r-purple-deep); }
.story-title-zh {
  font-family: var(--hub-zh-font);
  font-size: 1.1rem; color: var(--hub-ink-soft);
  font-weight: 500;
  margin: 0 0 18px;
  letter-spacing: .04em;
}
.story-body {
  display: flex; flex-direction: column; gap: 14px;
}
.story-en {
  font-size: 1.05rem; line-height: 1.65;
  color: var(--hub-ink);
}
.story-zh {
  font-family: var(--hub-zh-font);
  font-size: 1rem; line-height: 1.75;
  color: var(--hub-ink-soft);
}

@media (min-width: 720px) {
  .story-card { padding: 36px 44px; }
  .story-title { font-size: 2rem; }
  .story-en { font-size: 1.1rem; }
}

/* ===== SDG cards ===== */
.sdg-grid {
  display: grid; gap: 24px;
  grid-template-columns: 1fr;
  margin-top: 40px;
}
@media (min-width: 720px) {
  .sdg-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}
@media (min-width: 1080px) {
  .sdg-grid { grid-template-columns: repeat(3, 1fr); }
}
.sdg-card {
  background: #fff;
  border: 1px solid var(--hub-line);
  border-top: 8px solid var(--sdg, #888);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 16px -8px rgba(0,0,0,.12);
  display: flex; flex-direction: column;
}
.sdg-head {
  padding: 22px 24px 16px;
  background: linear-gradient(180deg, var(--sdg, #888) 0%, color-mix(in srgb, var(--sdg) 88%, black) 100%);
  color: #fff;
}
.sdg-num {
  display: inline-block;
  font-family: var(--hub-serif);
  font-weight: 700;
  font-size: 2.2rem;
  line-height: 1;
  color: rgba(255,255,255,.5);
  margin-right: 4px;
  vertical-align: -4px;
}
.sdg-title {
  display: inline;
  font-family: var(--hub-serif);
  font-size: 1.4rem; font-weight: 700;
  line-height: 1.15;
  color: #fff;
  margin: 0;
}
.sdg-zh {
  font-family: var(--hub-zh-font);
  font-size: 1rem; font-weight: 500;
  color: rgba(255,255,255,.88);
  letter-spacing: .06em;
  margin: 8px 0 0;
}
.sdg-body {
  padding: 20px 24px 24px;
  flex: 1; display: flex; flex-direction: column;
}
.sdg-sum {
  font-size: 1.02rem; line-height: 1.55;
  color: var(--hub-ink); font-weight: 500;
  margin: 0;
}
.sdg-sum-zh {
  font-family: var(--hub-zh-font);
  font-size: .92rem; line-height: 1.65;
  color: var(--hub-ink-soft);
  margin: 6px 0 0;
}
.sdg-prompt-label {
  font-family: var(--hub-serif);
  font-size: .72rem; font-weight: 700;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--sdg, #888);
  margin: 18px 0 8px;
}
.sdg-prompts {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.sdg-prompts li {
  font-size: .94rem; line-height: 1.5;
  color: var(--hub-ink);
  padding-left: 22px;
  position: relative;
}
.sdg-prompts li::before {
  content: "→";
  position: absolute; left: 0; top: 0;
  color: var(--sdg, #888);
  font-weight: 700;
}

/* ===== About Changhua — rich cards & callouts ===== */
.about-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  margin-top: 24px;
}
@media (min-width: 640px) {
  .about-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (min-width: 960px) {
  .about-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .about-grid--4 { grid-template-columns: repeat(4, 1fr); }
}
.about-card {
  background: #fff;
  border: 1px solid var(--hub-line);
  border-left: 4px solid var(--hub-primary);
  border-radius: 10px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.about-card--blue { border-left-color: var(--c-blue); background: linear-gradient(180deg, #fff 0%, var(--c-blue-soft) 200%); }
.about-card--green { border-left-color: var(--c-green); background: linear-gradient(180deg, #fff 0%, var(--c-green-soft) 200%); }
.about-card--orange { border-left-color: var(--c-orange); background: linear-gradient(180deg, #fff 0%, var(--c-orange-soft) 200%); }
.about-card--purple { border-left-color: var(--c-purple); background: linear-gradient(180deg, #fff 0%, var(--c-purple-soft) 200%); }
.about-card-icon {
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: 4px;
}
.about-card h4 {
  font-family: var(--hub-serif);
  margin: 0;
  font-size: 1.02rem;
  color: var(--hub-primary-deep);
  line-height: 1.3;
}
.about-card--blue h4 { color: var(--c-blue-deep); }
.about-card--green h4 { color: var(--c-green-deep); }
.about-card--orange h4 { color: var(--c-orange-deep); }
.about-card--purple h4 { color: var(--c-purple-deep); }
.about-card h4 .about-card-zh {
  display: block;
  font-family: var(--hub-zh-font);
  font-size: .86rem;
  color: var(--hub-ink-faint);
  font-weight: 500;
  margin-top: 2px;
}
.about-card p {
  margin: 4px 0 0;
  font-size: .9rem;
  line-height: 1.55;
  color: var(--hub-ink-soft);
}

.about-callout {
  margin-top: 28px;
  padding: 22px 26px;
  background: linear-gradient(135deg, var(--c-blue-soft) 0%, #fff 100%);
  border-left: 5px solid var(--c-blue);
  border-radius: 10px;
}
.about-callout p { margin: 0; }
.about-callout p + p { margin-top: 8px; }

.about-quote {
  margin: 32px 0 0;
  padding: 24px 28px;
  background: var(--hub-line-soft);
  border-radius: 12px;
  border-left: 4px solid var(--hub-primary);
}
.about-quote-text {
  font-family: var(--hub-serif);
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--hub-ink);
  margin: 0;
  font-style: italic;
}
.about-quote-cite {
  display: block;
  margin-top: 10px;
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--hub-ink-faint);
  font-weight: 600;
}
.about-quote-zh {
  font-family: var(--hub-zh-font);
  font-size: .98rem;
  color: var(--hub-ink-soft);
  margin: 10px 0 0;
  line-height: 1.7;
}