/* Case-study page for "MUDO".
   Reuses the main site's design tokens, fonts and section/card
   conventions (style.css) — this file adds page-specific layout
   plus a small set of research chart components (stats, donut
   split, comparison bars, flow diagrams, insight cards). */

:root {
  --mudo-green-dark: #0a4d70;
}

/* ---------- HERO ---------- */
.mudo-hero {
  background: var(--bg-dark);
  padding: 140px 0 100px;
  text-align: center;
}
.mudo-eyebrow {
  font-family: var(--font-hand);
  font-weight: 700;
  font-size: clamp(17px, 1.8vw, 22px);
  color: var(--mint);
  transform: rotate(-3deg);
  display: inline-block;
  margin: 0 0 20px;
}
.mudo-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: 85%;
  font-size: clamp(48px, 9vw, 108px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text-dark-1);
  margin: 0 0 24px;
}
.mudo-desc {
  max-width: 820px;
  margin: 0 auto 32px;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.5;
  color: var(--text-dark-2);
}
.mudo-hero-image {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 90px rgba(0,0,0,.5);
}

/* ---------- ABOUT ---------- */
.mudo-about-text {
  max-width: 720px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-light-2);
  margin: 0 0 32px;
}
.section--dark .mudo-about-text { color: var(--text-dark-2); }
.mudo-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 920px;
  margin: 0 0 32px;
  padding: 28px 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.mudo-meta-item dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-light-2);
  margin: 0 0 6px;
}
.mudo-meta-item dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-light-1);
}
.mudo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.mudo-split-text .mudo-tags { margin-top: 24px; }
.mudo-tag {
  padding: 8px 16px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light-1);
  white-space: nowrap;
}

/* ---------- CHALLENGE / PULL QUOTE ---------- */
.mudo-challenge-text {
  max-width: 680px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-light-2);
  margin: 0 0 40px;
}
.mudo-pull-quote {
  max-width: 820px;
  font-family: var(--font-display);
  font-weight: 600;
  font-stretch: 85%;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-light-1);
  margin: 0;
}

/* ---------- SPLIT (text + chart, alternates sides) ---------- */
.mudo-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.mudo-split--reverse .mudo-split-text { order: 2; }
.mudo-split--reverse .mudo-split-visual { order: 1; }
.mudo-split--text-wide { grid-template-columns: minmax(260px, 340px) 1fr; align-items: start; }
.mudo-split--text-wide-r { grid-template-columns: 1fr minmax(260px, 340px); align-items: start; }
.mudo-split-text p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-light-2);
  margin: 0;
  max-width: 460px;
}
.section--dark .mudo-split-text p { color: var(--text-dark-2); }
.mudo-split-text .mudo-field-text { max-width: 720px; }
.mudo-split-text .mudo-social-text { max-width: 720px; }
.mudo-split-text .mudo-collection-text { max-width: 720px; }
.mudo-split-text .mudo-stats-row { margin-top: 24px; }
.mudo-field-image {
  width: 100%;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: 0 0 0 1px rgba(255,255,255,.18), 0 20px 50px rgba(0,0,0,.35);
  margin-bottom: 28px;
}

/* ---------- BIG STATS ---------- */
.mudo-stats-row {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}
.mudo-stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: 85%;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text-light-1);
}
.section--dark .mudo-stat-num { color: var(--text-dark-1); }
.mudo-stat-label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light-2);
}
.section--dark .mudo-stat-label { color: var(--text-dark-2); }

/* ---------- DONUT SPLIT ---------- */
.mudo-donut-row {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 40px;
}
.mudo-donut {
  --p: 50;
  width: 128px;
  height: 128px;
  flex-shrink: 0;
  border-radius: 50%;
  background: conic-gradient(var(--mudo-green-dark) calc(var(--p) * 1%), var(--mint) 0);
  position: relative;
}
.mudo-donut::after {
  content: '';
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  background: var(--bg-light);
}
.section--dark .mudo-donut::after { background: var(--bg-dark); }
.mudo-legend { display: flex; flex-direction: column; gap: 12px; }
.mudo-legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-light-1);
}
.section--dark .mudo-legend-item { color: var(--text-dark-1); }
.mudo-legend-item span:last-child { color: var(--text-light-2); font-weight: 500; }
.section--dark .mudo-legend-item span:last-child { color: var(--text-dark-2); }
.mudo-dot { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; }
.mudo-dot--y { background: var(--mudo-green-dark); }
.mudo-dot--z { background: var(--mint); }

/* ---------- COMPARISON BAR CHARTS ---------- */
.mudo-chart-group { display: grid; gap: 36px; }
.mudo-chart-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light-2);
  margin: 0 0 16px;
}
.section--dark .mudo-chart-title { color: var(--text-dark-2); }
.mudo-bar-block { display: grid; gap: 14px; }
.mudo-bar-row {
  display: grid;
  grid-template-columns: minmax(110px, 210px) 1fr 54px;
  align-items: center;
  gap: 14px;
}
.mudo-bar-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light-1);
}
.section--dark .mudo-bar-label { color: var(--text-dark-1); }
.mudo-bar-track {
  height: 10px;
  border-radius: 999px;
  background: var(--border-soft);
  overflow: hidden;
}
.section--dark .mudo-bar-track { background: rgba(255,255,255,.14); }
.mudo-bar-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  transition: width 1s cubic-bezier(.2,.8,.2,1);
}
.mudo-bar-fill--z { background: var(--mint); }
.mudo-bar-fill--y { background: var(--mudo-green-dark); }
.mudo-bar-value {
  font-size: 14px;
  font-weight: 700;
  text-align: right;
  color: var(--text-light-1);
}
.section--dark .mudo-bar-value { color: var(--text-dark-1); }

/* ---------- FLOW / PROCESS DIAGRAM ---------- */
.mudo-flow {
  display: grid;
  gap: 0;
  align-items: stretch;
}
.mudo-flow--3 { grid-template-columns: repeat(3, minmax(120px, 190px)); justify-content: start; }
.mudo-flow--5 { grid-template-columns: repeat(5, minmax(100px, 170px)); justify-content: start; }
.mudo-flow-step {
  position: relative;
  padding: 0 16px;
  text-align: center;
}
.mudo-flow-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -8px;
  top: 28px;
  font-size: 24px;
  color: var(--text-light-1);
}
.section--dark .mudo-flow-step:not(:last-child)::after { color: var(--text-dark-1); }
.mudo-flow-num {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  font-weight: 700;
  color: var(--text-light-1);
  background: #fafafa;
}
.section--dark .mudo-flow-num {
  border-color: rgba(255,255,255,.2);
  color: var(--text-dark-1);
  background: rgba(255,255,255,.06);
}
.mudo-flow-step p {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text-light-1);
}
.section--dark .mudo-flow-step p { color: var(--text-dark-1); }

/* ---------- INSIGHT -> DESIGN CARDS ---------- */
.mudo-insight-card {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 28px;
  align-items: center;
  padding: 32px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  background: #fafafa;
  margin-bottom: 20px;
}
.mudo-insight-card:last-child { margin-bottom: 0; }
.mudo-insight-block p {
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-light-2);
  margin: 10px 0 0;
}
.mudo-insight-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light-1);
}
.mudo-insight-arrow {
  font-size: 20px;
  color: var(--text-light-1);
  text-align: center;
}

/* ---------- AD STACK (digital touchpoints) ---------- */
.mudo-ad-stack {
  max-width: 300px;
  margin: 40px auto 0;
}
.mudo-ad-img {
  display: block;
  width: 68%;
  border-radius: 14px;
  box-shadow: 0 20px 40px rgba(0,0,0,.25);
}
.mudo-ad-img--1 { transform: rotate(-6deg); }
.mudo-ad-img--2 { margin: -90px 0 0 auto; transform: rotate(5deg); }

/* ---------- VISIT THE WEBSITE ---------- */
.mudo-visit-image {
  max-width: 420px;
  width: 100%;
  display: block;
  margin: 0 auto;
}
.mudo-cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 14px 28px;
  border-radius: 999px;
  background: var(--text-light-1);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  transition: transform .25s ease, background .25s ease;
}
.mudo-cta-button:hover { transform: translateY(-2px); background: #2a2a2a; }
.mudo-cta-button--hero {
  margin: 0 0 56px;
  background: var(--mint);
  color: #04263a;
}
.mudo-cta-button--hero:hover { background: var(--mint-2); }

/* ---------- CLOSING ---------- */
.mudo-closing { text-align: center; padding-bottom: 48px; }
.mudo-closing .mudo-about-text { margin: 0 auto 20px; text-align: left; }
.mudo-closing .mudo-container-narrow { max-width: 680px; margin: 0 auto; }
.mudo-next-section { padding-top: 24px; }

/* ---------- NEXT PROJECT ---------- */
.mudo-next-grid {
  display: grid;
  grid-template-columns: minmax(280px, 420px);
  gap: 20px;
}
.mudo-next-card {
  display: block;
  background: #fafafa;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow .3s ease, transform .3s ease;
}
.mudo-next-card:hover { box-shadow: 0 16px 32px rgba(0,0,0,.1); transform: translateY(-4px); }
.mudo-next-thumb { display: block; aspect-ratio: 4 / 3; background-size: cover; background-position: center; }
.mudo-next-name { display: block; padding: 16px 20px 4px; font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.mudo-next-link { display: block; padding: 0 20px 18px; font-size: 14px; color: var(--text-light-2); }

/* ---------- SCROLL REVEAL ---------- */
.mudo-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
}
.mudo-reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .mudo-meta-grid { grid-template-columns: repeat(2, 1fr); }
  .mudo-split { grid-template-columns: 1fr; gap: 32px; }
  .mudo-split--reverse .mudo-split-text { order: 1; }
  .mudo-split--reverse .mudo-split-visual { order: 2; }
  .mudo-stats-row { gap: 36px; }
  .mudo-insight-card { grid-template-columns: 1fr; text-align: left; }
  .mudo-insight-arrow { transform: rotate(90deg); }
}
@media (max-width: 680px) {
  .mudo-tags { justify-content: center; }
  .mudo-hero { padding: 110px 0 70px; }
  .mudo-ad-stack { max-width: 240px; }
  .mudo-ad-img--2 { margin-top: -70px; }
  .mudo-ad-stack--ads {
    display: flex;
    max-width: 320px;
    gap: 12px;
  }
  .mudo-ad-stack--ads .mudo-ad-img {
    width: calc(50% - 6px);
    transform: none;
    margin: 0;
  }
  .mudo-meta-grid { grid-template-columns: 1fr 1fr; gap: 20px; padding: 22px 0; }
  .mudo-bar-row { grid-template-columns: minmax(90px, 140px) 1fr 46px; gap: 10px; }
  .mudo-bar-label { font-size: 12.5px; }
  .mudo-flow--3 { grid-template-columns: repeat(3, 1fr); gap: 0; }
  .mudo-flow-step:not(:last-child)::after { right: -12px; top: 20px; }
  .mudo-flow-step { padding: 0 8px; }
  .mudo-flow-num { width: 44px; height: 44px; font-size: 15px; margin-bottom: 10px; }
  .mudo-flow-step p { font-size: 12.5px; white-space: nowrap; }
  .mudo-flow--3 .mudo-flow-step { padding: 0 4px; }
  .mudo-flow--3 .mudo-flow-step:first-child { padding-left: 0; }
  .mudo-flow--3 .mudo-flow-num { width: 38px; height: 38px; font-size: 13px; margin-bottom: 8px; }
  .mudo-flow--3 .mudo-flow-step p { font-size: 11px; }
  .mudo-flow--3 .mudo-flow-step:not(:last-child)::after { top: 17px; right: -6px; }
  .mudo-flow--5 { grid-template-columns: repeat(5, 1fr); gap: 6px; }
  .mudo-flow--5 .mudo-flow-step { padding: 0 2px; }
  .mudo-flow--5 .mudo-flow-step:first-child { padding-left: 0; text-align: center; }
  .mudo-flow--5 .mudo-flow-step:first-child .mudo-flow-num { margin: 0 auto 6px; }
  .mudo-flow--5 .mudo-flow-num { width: 30px; height: 30px; font-size: 11px; margin: 0 auto 6px; }
  .mudo-flow--5 .mudo-flow-step p { font-size: 9px; line-height: 1.15; white-space: normal; }
  .mudo-flow--5 .mudo-flow-step:not(:last-child)::after { right: -4px; top: 12px; font-size: 14px; }
  .mudo-donut-row { gap: 20px; }
  .mudo-insight-section { padding-bottom: 6px; }
  .mudo-touchpoints { padding-top: 0; }
  .mudo-touchpoints .mudo-split { gap: 48px; }
  .mudo-closing { padding-bottom: 24px; }
  .mudo-next-section { padding-top: 16px; }
}