/* PROGRESS BAR */
#read-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent);
  z-index: 10002;
  transition: width 0.08s linear;
  pointer-events: none;
}

/* BLOG PAGE HEADER */
.blog-page-header {
  background: linear-gradient(135deg, #0d4f24, #1a7a3e);
  padding: 3rem 2rem 2.5rem;
  text-align: center;
}
.blog-page-header h1 {
  font-family: 'Lora', serif;
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 0.65rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.blog-byline {
  color: rgba(255,255,255,0.82);
  font-size: 0.96rem;
  margin-bottom: 0.4rem;
}
.blog-meta-row {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.blog-meta-row span {
  color: rgba(255,255,255,0.62);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.blog-header-actions {
  margin-top: 1.4rem;
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* PAGE LAYOUT */
.blog-outer {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.25rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  align-items: start;
}

/* SIDEBAR */
.section-sidebar {
  position: sticky;
  top: 52px;
}
.sidebar-inner {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid #eaf0ea;
  padding: 1.2rem 1rem;
}
.sidebar-heading {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
  display: block;
}
.sidebar-link {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.32rem 0.5rem;
  border-radius: 6px;
  line-height: 1.35;
  margin-bottom: 0.1rem;
  transition: background 0.15s, color 0.15s;
}
.sidebar-link:hover { color: var(--primary); background: var(--primary-light); }
.sidebar-link.active-section { color: var(--primary); background: var(--primary-light); font-weight: 600; }

/* MOBILE JUMP DROPDOWN */
.jump-wrap { display: none; margin-bottom: 1.75rem; }
.jump-wrap label { font-size: 0.83rem; font-weight: 600; color: var(--text-muted); display: block; margin-bottom: 0.35rem; }
.jump-select {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: 10px;
  border: 1px solid #d1d5db;
  font-size: 0.93rem;
  font-family: inherit;
  background: #fff;
  color: var(--text-main);
}

/* ARTICLE CONTENT */
.blog-content { min-width: 0; }

.blog-section {
  margin-bottom: 2.75rem;
  scroll-margin-top: 60px;
}
.blog-section h2 {
  font-family: 'Lora', serif;
  font-size: 1.42rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 1rem;
  line-height: 1.3;
}
.blog-section p {
  color: var(--text-main);
  font-size: 1rem;
  line-height: 1.82;
  margin-bottom: 1rem;
}
.blog-section p:last-child { margin-bottom: 0; }
.emphasis-line {
  font-family: 'Lora', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-dark);
  border-left: 4px solid var(--accent);
  padding: 0.2rem 1.1rem;
  margin: 1.5rem 0 1rem;
}

/* FLIP CARD */
.flip-card-wrap {
  perspective: 1200px;
  margin: 1.75rem 0;
}
.flip-card {
  position: relative;
  width: 100%;
  min-height: 240px;
  transform-style: preserve-3d;
  transition: transform 0.65s ease;
}
.flip-card.flipped { transform: rotateY(180deg); }
.flip-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}
.flip-front {
  background: #fff8f0;
  border: 2px solid var(--accent);
}
.flip-back {
  background: var(--primary-light);
  border: 2px solid var(--primary);
  transform: rotateY(180deg);
}
.flip-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.flip-front .flip-label { color: var(--accent); }
.flip-back .flip-label { color: var(--primary); }
.flip-face p {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-main);
  margin: 0 0 1rem;
  flex: 1;
}
.flip-btn {
  padding: 0.5rem 1.2rem;
  border-radius: 999px;
  border: none;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.87rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  align-self: flex-start;
  transition: background 0.2s;
}
.flip-btn-front { background: var(--accent); color: #fff; }
.flip-btn-front:hover { background: #c5692a; }
.flip-btn-back { background: var(--primary); color: #fff; }
.flip-btn-back:hover { background: var(--primary-dark); }

/* STAT COUNTERS */
.stat-counter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
  margin: 2rem 0;
}
.stat-counter-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.4rem 1.1rem 1.2rem;
  box-shadow: var(--shadow);
  border: 1px solid #eaf0ea;
  text-align: center;
}
.counter-num {
  font-family: 'Lora', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
  line-height: 1.1;
}
.counter-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
  line-height: 1.4;
}

/* INSIGHT CARD */
.insight-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}
.insight-icon {
  font-size: 1.5rem;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.insight-body { flex: 1; min-width: 0; }
.insight-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary);
  display: block;
  margin-bottom: 0.3rem;
}
.insight-body p { margin: 0; font-size: 0.95rem; line-height: 1.65; color: var(--text-main); }

/* SIM / TREND CARD SHELL (shared) */
.sim-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid #eaf0ea;
  padding: 1.6rem 1.5rem;
  margin: 1.75rem 0;
}
.sim-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.6rem;
}
.sim-intro { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 1.1rem !important; }
.sim-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.3rem;
  border-radius: 999px;
  border: none;
  background: var(--primary);
  color: #fff;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.2s;
}
.sim-btn:hover:not(:disabled) { background: var(--primary-dark); }
.sim-btn:disabled { opacity: 0.55; cursor: default; }

/* CIRCULARITY TREND BARS */
.trend-bars { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.3rem; }
.trend-bar-item { display: flex; align-items: center; gap: 0.85rem; }
.trend-year {
  width: 46px;
  flex-shrink: 0;
  font-family: 'Lora', serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--dark);
}
.trend-track { flex: 1; height: 16px; background: #eef2ee; border-radius: 999px; overflow: hidden; }
.trend-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
  transition: width 1.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.trend-val {
  width: 54px;
  flex-shrink: 0;
  text-align: right;
  font-family: 'Lora', serif;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--primary);
}
.trend-caption { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 1.1rem !important; opacity: 0.55; transition: opacity 0.4s; }
.trend-caption.trend-revealed { opacity: 1; }

/* QUIZ CARD */
.quiz-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid #eaf0ea;
  padding: 1.6rem 1.5rem;
  margin: 1.75rem 0;
}
.quiz-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.7rem;
}
.quiz-q { font-size: 1rem; line-height: 1.6; color: var(--dark); font-weight: 600; margin-bottom: 1.1rem !important; }
.quiz-options { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 0.9rem; }
.quiz-opt {
  flex: 1;
  min-width: 180px;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 2px solid #e5e7eb;
  background: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.quiz-opt:hover:not(:disabled) { border-color: var(--primary); background: var(--primary-light); }
.quiz-opt:disabled { cursor: default; }
.quiz-opt.correct-choice { border-color: var(--primary); background: var(--primary-light); color: var(--primary-dark); }
.quiz-opt.wrong-choice { border-color: #dc2626; background: #fef2f2; color: #b91c1c; }
.quiz-feedback {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-main);
  min-height: 1px;
}
.quiz-feedback.fb-correct { color: var(--primary-dark); font-weight: 600; }
.quiz-feedback.fb-wrong { color: #b91c1c; font-weight: 600; }

/* DUEL BAR */
.duel-bar-wrap { margin-top: 1.2rem; max-height: 0; overflow: hidden; opacity: 0; transition: max-height 0.4s ease, opacity 0.4s ease; }
.duel-bar-wrap.revealed { max-height: 200px; opacity: 1; }
.duel-bar {
  display: flex;
  height: 46px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px #e5e7eb;
}
.duel-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
  width: 0%;
  transition: width 1s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
  overflow: hidden;
  padding: 0 0.5rem;
}
.duel-low { background: var(--primary); }
.duel-high { background: var(--accent); gap: 0.35rem; }
.duel-bar-wrap.revealed .duel-low { width: 41%; }
.duel-bar-wrap.revealed .duel-high { width: 9%; min-width: fit-content; }
.duel-caption { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.55rem !important; line-height: 1.5; }

/* MATERIAL / CYCLE COMPARATOR */
.material-comp {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid #eaf0ea;
  padding: 1.6rem 1.5rem;
  margin: 1.75rem 0;
}
.mc-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.9rem;
}
.mc-chips { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.2rem; }
.mc-chip {
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  border: 2px solid #e5e7eb;
  background: #fff;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.mc-chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.mc-chip:not(.active):hover { border-color: var(--primary); color: var(--primary); }
.mc-bar-track { height: 16px; background: #eef2ee; border-radius: 999px; overflow: hidden; margin-bottom: 0.85rem; }
.mc-bar-fill { height: 100%; width: 1%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 999px; transition: width 0.6s ease, background 0.4s; }
.mc-bar-fill.mc-warn { background: linear-gradient(90deg, #c5692a, #dc2626); }
.mc-value { font-family: 'Lora', serif; font-weight: 700; font-size: 1.2rem; color: var(--dark); margin-bottom: 0.5rem; }
.mc-fact { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; margin: 0 !important; }

/* HIERARCHY LOOP DIAGRAM */
.loop-wrap { margin: 1.5rem 0; }
.loop-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.loop-stage {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid #eaf0ea;
  border-radius: 12px;
  padding: 1rem 0.6rem;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  min-width: 0;
}
.loop-stage:hover, .loop-stage[aria-expanded="true"] {
  background: var(--primary-light);
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(18,128,58,0.12);
}
.loop-icon { font-size: 1.3rem; color: var(--primary); margin-bottom: 0.45rem; display: block; }
.loop-name { font-size: 0.7rem; font-weight: 600; color: var(--dark); line-height: 1.3; }
.loop-desc { display: none; margin-top: 0.55rem; font-size: 0.73rem; color: var(--text-muted); line-height: 1.5; text-align: left; }
.loop-stage[aria-expanded="true"] .loop-desc { display: block; }
.loop-arrow { display: flex; align-items: center; padding: 0 0.25rem; color: var(--text-muted); font-size: 0.85rem; flex-shrink: 0; margin-top: 1.4rem; }
.loop-return {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-light);
  border: 1px dashed var(--primary);
  border-radius: 999px;
  padding: 0.55rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* DATA TABLE */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 1.25rem 0 0.75rem;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  font-size: 0.88rem;
  min-width: 640px;
}
.data-table th {
  background: var(--dark);
  color: #fff;
  padding: 0.8rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid #eaf0ea;
  color: var(--text-main);
  vertical-align: top;
  line-height: 1.5;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background 0.15s; }
.data-table tbody tr:hover td { background: var(--primary-light); }
.table-caption { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.6rem; line-height: 1.5; }

/* TOOLTIP */
.tip-wrap { position: relative; display: inline-block; margin-left: 0.3rem; vertical-align: middle; }
.tip-icon { color: var(--text-muted); cursor: pointer; font-size: 0.78rem; transition: color 0.15s; }
.tip-icon:hover { color: var(--primary); }
.tip-box {
  display: none;
  position: absolute;
  bottom: calc(100% + 7px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark);
  color: #fff;
  font-size: 0.73rem;
  padding: 0.38rem 0.6rem;
  border-radius: 6px;
  white-space: nowrap;
  z-index: 50;
  pointer-events: none;
  line-height: 1.4;
  max-width: 220px;
  white-space: normal;
  text-align: center;
}
.tip-box::after {
  content: '';
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--dark);
}
.tip-wrap:hover .tip-box, .tip-wrap.show .tip-box { display: block; }

/* PULL QUOTE */
.pull-quote {
  border-left: 4px solid var(--accent);
  background: #fff8f0;
  padding: 1rem 1.35rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.pull-quote p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-main);
  margin: 0 0 0.45rem;
  font-style: italic;
}
.pull-quote cite { font-size: 0.8rem; color: var(--text-muted); font-style: normal; font-weight: 600; }

/* TABS */
.tab-buttons {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 0.52rem 1.2rem;
  border-radius: 999px;
  border: 2px solid #e5e7eb;
  background: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.tab-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.tab-btn:not(.active):hover { border-color: var(--primary); color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel ul { list-style: none; padding: 0; margin: 0; }
.tab-panel ul li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.7rem 0;
  border-bottom: 1px solid #f3f4f6;
  font-size: 0.96rem;
  color: var(--text-main);
  line-height: 1.65;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.tab-panel ul li:last-child { border-bottom: none; }
.tab-panel.active li.vis { opacity: 1; transform: translateY(0); }
.tab-panel ul li .tab-icon { margin-top: 0.25rem; flex-shrink: 0; font-size: 0.9rem; }
.sustainable-icon { color: var(--primary); }
.notsus-icon { color: #dc2626; }

/* BIBLIOGRAPHY ACCORDION */
.bib-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.72rem 1.3rem;
  background: var(--primary-light);
  border: 2px solid var(--primary);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-dark);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
}
.bib-toggle:hover { background: #c8e8d4; }
.bib-toggle .bib-chevron { transition: transform 0.3s; display: inline-block; }
.bib-toggle.open .bib-chevron { transform: rotate(180deg); }
.bib-body { max-height: 0; overflow: hidden; transition: max-height 0.42s ease; }
.bib-body ol { padding: 1.2rem 1rem 0.5rem 2rem; margin: 0; }
.bib-body ol li { font-size: 0.87rem; color: var(--text-muted); line-height: 1.72; margin-bottom: 0.65rem; }
.bib-body ol li a { color: var(--primary); word-break: break-all; }
.bib-body ol li a:hover { text-decoration: underline; }

/* BACK TO BLOGS BUTTON */
.back-to-blogs-wrap {
  text-align: center;
  padding: 2rem 1rem 3rem;
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}
.back-to-blogs-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  transition: background 0.2s, transform 0.2s, filter 0.2s;
}
.back-to-blogs-btn:hover { background: var(--primary-dark); transform: translateY(-2px); }
.back-to-blogs-btn.btn-accent { background: var(--accent); }
.back-to-blogs-btn.btn-accent:hover { background: #c5692a; }

/* RESPONSIVE */
@media (max-width: 860px) {
  .blog-outer { grid-template-columns: 1fr; padding: 1.75rem 1.1rem 3rem; }
  .section-sidebar { display: none; }
  .jump-wrap { display: block; }
}
@media (max-width: 600px) {
  .blog-page-header h1 { font-size: 1.5rem; }

  .loop-row { flex-direction: column; gap: 0; align-items: stretch; }
  .loop-stage {
    flex: none;
    display: grid;
    grid-template-columns: 2.2rem 1fr;
    grid-template-rows: auto auto;
    column-gap: 0.7rem;
    align-items: start;
    text-align: left;
    padding: 0.9rem 1rem;
  }
  .loop-icon { grid-column: 1; grid-row: 1 / 3; align-self: start; font-size: 1.15rem; margin-bottom: 0; padding-top: 0.06rem; }
  .loop-name { grid-column: 2; grid-row: 1; align-self: center; }
  .loop-desc { grid-column: 2; grid-row: 2; margin-top: 0.4rem; }
  .loop-arrow { display: flex; justify-content: center; align-items: center; margin-top: 0; padding: 0.1rem 0; transform: none; font-size: 0.78rem; }
  .loop-arrow i { display: inline-block; transform: rotate(90deg); }

  .table-wrap { overflow-x: visible; box-shadow: none; background: transparent; }
  .data-table, .data-table tbody { display: block; width: 100%; }
  .data-table { min-width: 0; font-size: 0.85rem; }
  .data-table thead { display: none; }
  .data-table tbody tr {
    display: block;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid #eaf0ea;
    margin-bottom: 1.1rem;
    overflow: hidden;
  }
  .data-table tbody tr:hover td { background: transparent; }
  .data-table td { display: block; padding: 0.55rem 1rem; border-bottom: 1px solid #f3f4f6; text-align: left; vertical-align: top; }
  .data-table td:last-child { border-bottom: none; }
  .data-table td::before {
    content: attr(data-label);
    display: block;
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--primary);
    margin-bottom: 0.2rem;
  }

  .quiz-options { flex-direction: column; }
}
@media (max-width: 480px) {
  .stat-counter-grid { grid-template-columns: 1fr; }
  .flip-card { min-height: 300px; }
  .blog-outer { padding: 1.25rem 1rem 2.5rem; }
  .trend-year { width: 40px; font-size: 0.78rem; }
  .trend-val { width: 46px; font-size: 0.82rem; }
}

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  .flip-card { transition: none; }
  .duel-seg { transition: none; }
  .mc-bar-fill { transition: none; }
  .trend-fill { transition: none; }
  .tab-panel ul li { transition: none; opacity: 1; transform: none; }
  .bib-body { transition: none; }
  #read-progress { transition: none; }
}