/* ════════════════════════════════════════
   MobiCity Case Study — Project Styles
   Extracted from index.html for maintainability.
   Uses CSS custom properties from ../../css/content.css
════════════════════════════════════════ */

/* ── Slide System ── */
.mc-slide-strip {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 0 18px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0;
  scrollbar-width: thin;
}

.mc-slide {
  flex-shrink: 0;
  width: clamp(280px, 55vw, 480px);
  min-height: 260px;
  border-radius: 16px;
  border: 0.5px solid var(--border);
  position: relative;
  overflow: hidden;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
}
.mc-slide-tall { min-height: 480px; }
.mc-slide-dark {
  background: linear-gradient(135deg, #0d2137 0%, #0a4a6e 55%, #0e3a5c 100%);
}
.mc-slide-light {
  background: var(--surface);
}

/* ── Cover slide ── */
.mc-cover-slide {
  width: 100%;
  min-height: clamp(220px, 30vw, 400px);
  border-radius: 18px;
  border: 0.5px solid var(--border);
  background: linear-gradient(135deg, #0d2137 0%, #0a4a6e 55%, #0e3a5c 100%);
  position: relative;
  overflow: hidden;
  display: flex;
}
.mc-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}
.mc-blob-pink   { width: 180px; height: 180px; background: radial-gradient(circle, #e91e8c88, #f472b655); top: -40px; right: 25%; }
.mc-blob-blue   { width: 140px; height: 140px; background: radial-gradient(circle, #38bdf866, #0ea5e944); bottom: -30px; right: 10%; }
.mc-blob-green  { width: 100px; height: 100px; background: radial-gradient(circle, #10b98155, #34d39933); top: 40%; right: 35%; }
.mc-blob-purple { width: 120px; height: 120px; background: radial-gradient(circle, #7c3aed44, #8b5cf633); bottom: 10%; left: 28%; }

.mc-cover-inner {
  position: relative; z-index: 2;
  width: 100%; display: flex;
  align-items: stretch;
  padding: clamp(24px,4vw,48px);
  gap: 24px;
}
.mc-cover-left { flex: 1; display: flex; flex-direction: column; gap: 10px; justify-content: center; }
.mc-cover-brand {
  display: flex; align-items: center; gap: 7px;
  font-size: 14px; font-weight: 900;
  color: #38bdf8; letter-spacing: -0.02em;
}
.mc-cover-brand-icon {
  width: 24px; height: 24px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(56,189,248,.15); border: 0.5px solid rgba(56,189,248,.3);
}
.mc-cover-title {
  font-size: clamp(22px, 4.5vw, 52px);
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -0.04em;
  line-height: 1.05;
}
.mc-cover-subtitle { font-size: clamp(12px, 1.5vw, 16px); color: rgba(255,255,255,.65); font-weight: 500; }
.mc-cover-author  { font-size: 11px; color: rgba(255,255,255,.45); }
.mc-cover-figma-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.08); border: 0.5px solid rgba(255,255,255,.15);
  border-radius: 8px; padding: 5px 10px;
  font-size: 11px; font-weight: 600; color: rgba(255,255,255,.7);
  width: fit-content; margin-top: 4px;
}
.mc-cover-right {
  width: clamp(130px, 28%, 220px);
  display: flex; align-items: center; justify-content: flex-end;
  flex-shrink: 0;
}
.mc-cover-mockup {
  width: 100%; background: var(--bg-2);
  border-radius: 12px; border: 0.5px solid rgba(255,255,255,.1);
  overflow: hidden; box-shadow: 0 16px 40px rgba(0,0,0,.4);
}
.mc-cover-mockup-bar {
  background: #0d1f32; padding: 8px 10px;
  display: flex; align-items: center; gap: 7px;
  border-bottom: 0.5px solid rgba(255,255,255,.06);
}
.mc-cm-logo     { font-size: 10px; font-weight: 900; color: #38bdf8; letter-spacing: -0.02em; flex-shrink: 0; }
.mc-cm-search   {
  flex: 1; background: rgba(255,255,255,.05); border-radius: 5px;
  font-size: 8.5px; color: rgba(255,255,255,.35); padding: 3px 7px;
}
.mc-cover-mockup-body { padding: 0 0 4px; }
.mc-cm-hero {
  background: linear-gradient(135deg, #1e1b4b, #4338ca);
  padding: 10px 10px 10px; margin-bottom: 6px;
}
.mc-cm-cta {
  display: inline-block; background: #fff; color: #312e81;
  font-size: 8px; font-weight: 800; padding: 4px 9px; border-radius: 4px; cursor: pointer;
}
.mc-cm-card       { background: rgba(255,255,255,.04); border-radius: 6px; padding: 6px 7px; }
.mc-cm-card-img   { font-size: 16px; text-align: center; margin-bottom: 3px; }
.mc-cm-card-name  { font-size: 7.5px; font-weight: 700; color: rgba(255,255,255,.8); }
.mc-cm-card-price { font-size: 7.5px; font-weight: 800; color: #38bdf8; }

/* ── Concentric rings ── */
.mc-ring {
  position: absolute;
  border-radius: 50%;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  border: 1.5px dashed rgba(56,189,248,.3);
  pointer-events: none;
}
.mc-ring-1 { width: 140%; padding-bottom: 140%; }
.mc-ring-2 { width: 100%; padding-bottom: 100%; }
.mc-ring-3 { width: 60%;  padding-bottom: 60%;  }

/* ── Slide content ── */
.mc-slide-content { position: relative; z-index: 2; padding: 28px 24px; }
.mc-slide-content-center {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; gap: 8px;
}
.mc-slide-brand {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 900;
  color: #38bdf8; letter-spacing: -0.02em;
}
.mc-slide-big-title {
  font-size: clamp(18px,4vw,42px);
  font-weight: 900; color: #fff;
  letter-spacing: -0.03em; line-height: 1.05;
}
.mc-slide-tag    { font-size: 12px; color: rgba(255,255,255,.65); font-weight: 500; }
.mc-slide-byline { font-size: 10px; color: rgba(255,255,255,.4); }

/* ── Section navigator circles ── */
.mc-sec-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex: 1;
  padding: 20px 16px;
}
.mc-sec-nav-3 { justify-content: space-around; }
.mc-sec-circle {
  border-radius: 50%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  gap: 2px; flex-shrink: 0;
}
.mc-sec-main           { width: 130px; height: 130px; background: #e8e8e8; border: 2.5px solid #d0d0d0; }
[data-theme="dark"] .mc-sec-main { background: #2a2a2a; border-color: #3a3a3a; }
.mc-sec-small          { width: 80px; height: 80px; }
.mc-sec-blue           { background: #0ea5e9; border: 2px solid #0284c7; }
.mc-sec-orange         { background: #f97316; border: 2px solid #ea580c; }
.mc-sec-bluepurple     { background: linear-gradient(135deg,#0ea5e9,#7c3aed); border: none; }
.mc-sec-grey-main      { background: #eaeaea; border: 2.5px solid #d0d0d0; }
[data-theme="dark"] .mc-sec-grey-main { background: #2a2a2a; border-color: #3a3a3a; }
.mc-sec-bluepurple-main { width: 140px; height: 140px; background: linear-gradient(135deg, #0ea5e9, #7c3aed); border: none; }

.mc-sec-num  { font-size: 11px; font-weight: 800; color: rgba(255,255,255,.7); letter-spacing: -.01em; }
.mc-sec-main .mc-sec-num, .mc-sec-grey-main .mc-sec-num { color: var(--text-3); }
.mc-sec-name { font-size: 12px; font-weight: 800; color: #fff; line-height: 1.2; }
.mc-sec-main .mc-sec-name, .mc-sec-grey-main .mc-sec-name { color: var(--text-1); }

.mc-sec-connector { flex: 1; max-width: 30px; height: 2px; background: var(--border-2); flex-shrink: 0; }
.mc-sec-label-top {
  position: absolute; top: 14px; left: 16px;
  font-size: 10px; font-weight: 700; color: var(--text-3);
  text-transform: uppercase; letter-spacing: .06em;
  display: flex; align-items: center; gap: 8px;
}
.mc-sec-label-top::after {
  content: ''; display: block; width: 24px; height: 2px;
  background: var(--accent); border-radius: 1px;
}
.mc-sec-caption {
  position: absolute; bottom: 14px; right: 16px;
  font-size: 9.5px; color: var(--text-3);
  max-width: 180px; text-align: right; line-height: 1.5;
}

/* ── 3D decorative shapes ── */
.mc-slide-3d-decor { position: absolute; inset: 0; pointer-events: none; }
.mc-3d { position: absolute; border-radius: 50%; }
.mc-3d-pyramid {
  width: 30px; height: 30px;
  background: linear-gradient(135deg, #7c3aed, #a78bfa);
  border-radius: 4px; transform: rotate(15deg);
  top: 16%; left: 12%;
}
.mc-3d-sphere-pink {
  width: 36px; height: 36px;
  background: radial-gradient(circle at 35% 35%, #f9a8d4, #e91e8c);
  box-shadow: 0 4px 16px rgba(233,30,140,.35);
  bottom: 22%; right: 10%;
}
.mc-challenge-decor { width: 90px; height: 90px; bottom: 10%; right: -15px; opacity: .6; }
.mc-3d-ribbon {
  width: 30px; height: 42px;
  background: linear-gradient(135deg, #f43f5e, #e11d48, #be123c);
  border-radius: 50% 50% 30% 30%; transform: rotate(-15deg);
}

/* ── Document slide ── */
.mc-slide-content-doc { position: relative; padding: 24px 22px; flex: 1; }
.mc-doc-heading {
  font-size: clamp(20px,4vw,36px); font-weight: 900;
  color: var(--text-1); letter-spacing: -0.04em;
  margin-bottom: 14px; line-height: 1.05;
}
.mc-doc-body p         { font-size: 11.5px; color: var(--text-2); line-height: 1.6; margin: 0 0 8px; }
.mc-doc-subheading     { font-size: 12px; font-weight: 800; color: var(--text-1); margin: 12px 0 5px; }
.mc-doc-dotted-line {
  position: absolute; right: 22px; top: 20px; bottom: 20px;
  width: 2px;
  background: repeating-linear-gradient(to bottom, var(--border-2) 0 4px, transparent 4px 10px);
  border-radius: 1px;
}
.mc-doc-sidebar {
  position: absolute; right: -28px; top: 50%;
  transform: translateY(-50%) rotate(90deg);
  font-size: 8.5px; color: var(--text-3);
  white-space: nowrap; letter-spacing: .04em;
}

/* ── Challenge slide ── */
.mc-challenge-bar {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px; background: linear-gradient(to bottom, #0ea5e9, #38bdf8);
  border-radius: 0 2px 2px 0;
}
.mc-challenge-content  { padding: 22px 22px 22px 20px; flex: 1; }
.mc-challenge-heading {
  font-size: clamp(20px,3.5vw,36px); font-weight: 900;
  color: var(--text-1); letter-spacing: -0.04em; margin-bottom: 12px;
}
.mc-challenge-gradient { background: linear-gradient(135deg, #0ea5e9, #38bdf8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.mc-challenge-badge {
  display: inline-block; background: var(--text-1); color: var(--bg-1);
  font-size: 10px; font-weight: 700;
  padding: 4px 12px; border-radius: 100px; margin-bottom: 14px;
}
.mc-challenge-sections       { display: flex; flex-direction: column; gap: 12px; }
.mc-challenge-section-title  { font-size: 11.5px; font-weight: 800; color: var(--text-1); margin-bottom: 4px; }
.mc-challenge-section p      { font-size: 11px; color: var(--text-3); line-height: 1.55; margin: 0; }

/* ── Design Process ── */
.mc-dp-heading {
  font-size: clamp(18px,3.5vw,32px); font-weight: 900;
  color: var(--text-1); letter-spacing: -0.04em;
  padding: 22px 20px 6px; line-height: 1.05;
}
.mc-dp-sub { font-size: 11.5px; color: var(--text-3); padding: 0 20px 14px; line-height: 1.5; }
.mc-dp-steps {
  display: flex; align-items: center;
  gap: 0; padding: 0 16px 16px;
  overflow-x: auto; scrollbar-width: none;
}
.mc-dp-steps::-webkit-scrollbar { display: none; }
.mc-dp-step       { display: flex; flex-direction: column; align-items: center; text-align: center; flex-shrink: 0; }
.mc-dp-circle {
  width: 36px; height: 36px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 16px; margin-bottom: 5px;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
}
.mc-dp-step-label  { font-size: 9px; font-weight: 800; color: var(--text-2); white-space: nowrap; }
.mc-dp-connector   { flex: 1; min-width: 12px; height: 2px; background: var(--border-2); flex-shrink: 0; }
.mc-dp-sections    { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 0 16px 16px; }
.mc-dp-section     { background: var(--bg-2); border: 0.5px solid var(--border); border-radius: 10px; padding: 12px; }
.mc-dp-illus       { width: 100%; height: 48px; margin-bottom: 8px; }
.mc-dp-illus svg   { width: 100%; height: 100%; }
.mc-dp-step-badge  {
  display: inline-block; background: var(--accent); color: #fff;
  font-size: 8px; font-weight: 800; padding: 2px 7px;
  border-radius: 100px; margin-bottom: 5px; letter-spacing: .04em;
}
.mc-dp-section-title { font-size: 11px; font-weight: 800; color: var(--text-1); margin-bottom: 5px; line-height: 1.3; }
.mc-dp-list          { margin: 0; padding-left: 14px; }
.mc-dp-list li       { font-size: 10px; color: var(--text-3); line-height: 1.6; }
.mc-dp-note {
  text-align: center; font-size: 10px;
  color: var(--text-3); font-style: italic;
  padding: 0 16px 16px;
}

/* ── Empathize ── */
.mc-emp-segments {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.mc-emp-segment {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-2); border: 0.5px solid var(--border);
  border-radius: 9px; padding: 7px 9px;
}
.mc-emp-avatar {
  width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 13px;
}
.mc-emp-name { font-size: 10px; font-weight: 800; color: var(--text-1); }
.mc-emp-tag  { font-size: 8.5px; color: var(--text-3); }
.mc-emp-journey {
  display: flex; align-items: center;
  overflow-x: auto; scrollbar-width: none; padding-bottom: 4px;
}
.mc-emp-journey::-webkit-scrollbar { display: none; }
.mc-emp-j-node  { display: flex; flex-direction: column; align-items: center; gap: 4px; flex-shrink: 0; }
.mc-emp-j-dot   { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.mc-emp-j-label { font-size: 8px; font-weight: 700; color: var(--text-2); white-space: nowrap; }
.mc-emp-j-line  { flex: 1; min-width: 8px; height: 2px; background: var(--border-2); flex-shrink: 0; }

/* ── UI Design grid ── */
.mc-ui-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 14px; margin: 24px 0; }
.mc-vis-wf-grid  { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.mc-vis-wf-cell  {
  background: var(--bg-2); border: 0.5px solid var(--border);
  border-radius: 7px; padding: 8px; min-height: 72px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.mc-vis-wf-label { font-size: 8.5px; color: var(--text-3); font-weight: 600; margin-top: 4px; }
.mc-wf-lines     { display: flex; flex-direction: column; gap: 4px; }
.mc-wfl          { height: 6px; background: var(--border-2); border-radius: 3px; }
.mc-wfl-h        { width: 100%; }
.mc-wfl-grid {
  width: 100%; height: 28px;
  background: repeating-linear-gradient(90deg, var(--border) 0 1px, transparent 1px 33.3%),
              repeating-linear-gradient(var(--border) 0 1px, transparent 1px 50%);
  border-radius: 3px;
}
.mc-wfl-tall   { width: 100%; height: 36px; background: var(--border); border-radius: 3px; opacity: .5; }
.mc-wfl-form   { width: 100%; height: 30px; background: repeating-linear-gradient(var(--border) 0 1px, transparent 1px 12px); border-radius: 3px; }
.mc-wfl-social { width: 100%; height: 34px; background: linear-gradient(135deg, var(--accent-light), var(--border-2)); border-radius: 3px; }
.mc-vis-ui-strip  { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.mc-vis-ui-screen {
  background: var(--bg-2); border: 0.5px solid var(--border);
  border-radius: 8px; overflow: hidden; display: flex; flex-direction: column;
}
.mc-vis-ui-label {
  font-size: 8.5px; color: var(--text-3); font-weight: 600;
  padding: 5px 8px; background: var(--surface);
  border-top: 0.5px solid var(--border); text-align: center;
}

/* ── Outro slide ── */
.mc-slide-outro {
  background: var(--surface);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  min-height: 160px; position: relative;
  overflow: hidden; gap: 8px;
}
.mc-outro-dot   { position: absolute; width: 10px; height: 10px; border-radius: 50%; }
.mc-outro-dot-1 { background: #f59e0b; top: 22%; left: 15%; }
.mc-outro-dot-2 { background: #6366f1; top: 20%; right: 20%; }
.mc-outro-dot-3 { background: #94a3b8; bottom: 24%; left: 20%; }
.mc-outro-dot-4 { background: #94a3b8; bottom: 22%; right: 16%; }
.mc-outro-text  { font-size: clamp(14px, 2.5vw, 20px); font-weight: 800; color: var(--text-1); letter-spacing: -0.02em; text-align: center; }
.mc-outro-url   { font-size: 11px; color: var(--text-3); text-align: center; }

/* ── Persona grid ── */
.mc-persona-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0;
}
.mc-persona-card {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: 14px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: transform 160ms, box-shadow 160ms;
}
.mc-persona-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.14);
}
.mc-persona-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--accent-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 6px;
}
.mc-persona-icon img { width: 20px; height: 20px; opacity: 0.85; }
.mc-persona-name { font-size: 13.5px; font-weight: 800; color: var(--text-1); letter-spacing: -0.02em; }
.mc-persona-tag {
  display: inline-block; font-size: 10px; font-weight: 700;
  color: var(--accent); background: var(--accent-light);
  padding: 2px 8px; border-radius: 100px; margin-bottom: 4px;
}
.mc-persona-desc { font-size: 12px; color: var(--text-3); line-height: 1.55; }

/* ── Design Thinking flow ── */
.mc-dt-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin: 28px 0;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}
.mc-dt-flow::-webkit-scrollbar { display: none; }
.mc-dt-step {
  flex: 1;
  min-width: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}
.mc-dt-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 21px;
  left: 50%; right: -50%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0.25;
  z-index: 0;
}
.mc-dt-circle {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent-light);
  border: 1.5px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 1;
  margin-bottom: 10px;
  transition: background 150ms;
}
.mc-dt-circle img    { width: 22px; height: 22px; opacity: 0.8; }
.mc-dt-step:hover .mc-dt-circle { background: var(--accent); }
.mc-dt-step:hover .mc-dt-circle img { opacity: 1; filter: brightness(0) invert(1); }
.mc-dt-num   { font-size: 10px; color: var(--text-3); font-weight: 600; margin-bottom: 3px; }
.mc-dt-label { font-size: 12px; font-weight: 800; color: var(--text-1); letter-spacing: -0.01em; }
.mc-dt-sub   { font-size: 10.5px; color: var(--text-3); margin-top: 3px; line-height: 1.4; }

/* ── User journey timeline ── */
.mc-journey-wrap { overflow-x: auto; margin: 24px 0; padding-bottom: 8px; scrollbar-width: thin; }
.mc-journey { display: flex; min-width: max-content; padding: 8px 0 4px; }
.mc-journey-stage {
  width: 130px;
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  position: relative; padding-top: 8px;
}
.mc-journey-stage::before {
  content: '';
  position: absolute;
  top: 26px; left: 0; right: 0;
  height: 2px; background: var(--border-2);
}
.mc-journey-stage:first-child::before { left: 50%; }
.mc-journey-stage:last-child::before  { right: 50%; }
.mc-journey-node {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 13px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 1;
  margin-bottom: 10px;
  box-shadow: 0 4px 12px var(--accent-glow);
  flex-shrink: 0;
}
.mc-journey-label { font-size: 12px; font-weight: 700; color: var(--text-1); margin-bottom: 4px; }
.mc-journey-desc  { font-size: 10px; color: var(--text-3); line-height: 1.45; padding: 0 8px; }

/* ── Image strip ── */
.mc-img-strip {
  display: flex; gap: 14px;
  overflow-x: auto; padding: 4px 0 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0; scrollbar-width: thin;
}
.mc-img-strip img {
  flex-shrink: 0;
  width: clamp(280px, 55vw, 520px);
  height: auto; border-radius: 14px;
  scroll-snap-align: start; cursor: zoom-in;
  transition: opacity 120ms;
  border: 0.5px solid var(--border);
}
.mc-img-strip img:hover { opacity: 0.9; }
.mc-img-single { width: 100%; border-radius: 14px; border: 0.5px solid var(--border); margin: 24px 0; cursor: zoom-in; }
.mc-img-grid   { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 24px 0; }
.mc-img-grid img { width: 100%; border-radius: 12px; border: 0.5px solid var(--border); cursor: zoom-in; transition: opacity 120ms; }
.mc-img-grid img:hover { opacity: 0.9; }

/* ── Social commerce stats ── */
.mc-social-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 24px 0; }
.mc-social-stat  {
  background: var(--surface); border: 0.5px solid var(--border);
  border-radius: 14px; padding: 20px 18px;
  position: relative; overflow: hidden;
}
.mc-social-stat::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent-light) 0%, transparent 70%);
  pointer-events: none;
}
.mc-social-stat-num   { font-size: 34px; font-weight: 900; color: var(--accent); letter-spacing: -0.04em; line-height: 1; }
.mc-social-stat-label { font-size: 12px; color: var(--text-3); margin-top: 5px; font-weight: 500; }

/* ── Interactive wireframe ── */
.mc-wireframe { background: var(--bg-2); border: 0.5px solid var(--border-2); border-radius: 18px; overflow: hidden; margin: 24px 0; font-family: -apple-system, 'Inter', sans-serif; font-size: 12px; }
.mc-wf-nav    { background: var(--surface); border-bottom: 0.5px solid var(--border); padding: 10px 14px; display: flex; align-items: center; gap: 8px; }
.mc-wf-logo   { font-weight: 900; font-size: 14px; color: var(--accent); letter-spacing: -0.04em; flex-shrink: 0; }
.mc-wf-search { flex: 1; height: 28px; background: var(--bg-2); border-radius: 8px; border: 0.5px solid var(--border-2); display: flex; align-items: center; padding: 0 10px; gap: 6px; color: var(--text-3); font-size: 11px; }
.mc-wf-icons  { display: flex; gap: 14px; margin-left: auto; opacity: 0.7; }
.mc-wf-icons img { width: 18px; height: 18px; }
.mc-wf-body   { padding: 14px 14px 18px; }
.mc-wf-cats   { display: flex; gap: 7px; overflow-x: auto; padding-bottom: 12px; scrollbar-width: none; }
.mc-wf-cats::-webkit-scrollbar { display: none; }
.mc-wf-cat {
  flex-shrink: 0; padding: 5px 14px; border-radius: 20px;
  font-size: 11px; font-weight: 600;
  background: var(--bg-2); border: 0.5px solid var(--border-2);
  color: var(--text-2); cursor: pointer; transition: all 120ms; white-space: nowrap;
}
.mc-wf-cat.active           { background: var(--accent); color: #fff; border-color: var(--accent); }
.mc-wf-cat:hover:not(.active) { border-color: var(--accent); color: var(--accent); }
.mc-wf-hero {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 60%, #4338ca 100%);
  border-radius: 14px; padding: 18px 16px; margin-bottom: 16px;
  display: flex; justify-content: space-between; align-items: center;
}
.mc-wf-hero-text      { max-width: 56%; }
.mc-wf-hero-eyebrow   { font-size: 9px; font-weight: 700; color: rgba(255,255,255,0.55); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 5px; }
.mc-wf-hero-title     { font-size: 14px; font-weight: 800; color: #fff; line-height: 1.3; margin-bottom: 6px; }
.mc-wf-hero-price     { font-size: 17px; font-weight: 900; color: #fff; margin-bottom: 10px; }
.mc-wf-hero-cta       { display: inline-block; background: #fff; color: #312e81; font-size: 10px; font-weight: 800; padding: 6px 13px; border-radius: 7px; cursor: pointer; }
.mc-wf-phone          { width: 80px; height: 100px; background: rgba(255,255,255,0.1); border-radius: 12px; border: 0.5px solid rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; font-size: 30px; }
.mc-wf-section-label  { font-size: 12px; font-weight: 700; color: var(--text-1); margin-bottom: 10px; }
.mc-wf-product-grid   { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }
.mc-wf-product        { background: var(--surface); border: 0.5px solid var(--border); border-radius: 10px; overflow: hidden; cursor: pointer; transition: transform 120ms; }
.mc-wf-product:hover  { transform: translateY(-2px); }
.mc-wf-product-img    { height: 72px; background: var(--bg-2); display: flex; align-items: center; justify-content: center; font-size: 26px; }
.mc-wf-product-body   { padding: 7px 9px 9px; }
.mc-wf-brand          { font-size: 8.5px; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.05em; }
.mc-wf-name           { font-size: 10.5px; font-weight: 700; color: var(--text-1); line-height: 1.3; margin: 2px 0 3px; }
.mc-wf-price          { font-size: 12px; font-weight: 900; color: var(--accent); }
.mc-wf-stars          { display: flex; gap: 1px; margin-top: 2px; }
.mc-wf-star           { font-size: 8px; color: #F59E0B; }
.mc-wf-social-section { background: var(--surface); border: 0.5px solid var(--border); border-radius: 12px; padding: 12px 14px; }
.mc-wf-social-head    { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.mc-wf-social-title   { font-size: 12px; font-weight: 700; color: var(--text-1); }
.mc-wf-social-see     { font-size: 10px; color: var(--accent); font-weight: 600; cursor: pointer; }
.mc-wf-social-posts   { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; }
.mc-wf-social-posts::-webkit-scrollbar { display: none; }
.mc-wf-social-post    { flex-shrink: 0; width: 118px; background: var(--bg-2); border: 0.5px solid var(--border-2); border-radius: 9px; overflow: hidden; cursor: pointer; transition: transform 120ms; }
.mc-wf-social-post:hover { transform: scale(1.02); }
.mc-wf-post-img       { height: 65px; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.mc-wf-post-body      { padding: 7px 8px 9px; }
.mc-wf-post-influencer { font-size: 9.5px; font-weight: 700; color: var(--text-1); margin-bottom: 2px; }
.mc-wf-post-product   { font-size: 9px; color: var(--text-3); line-height: 1.4; margin-bottom: 6px; }
.mc-wf-post-cta       { font-size: 9.5px; font-weight: 700; color: #fff; background: var(--accent); padding: 3px 8px; border-radius: 5px; display: inline-block; }

/* ── Lightbox ── */
.mc-lightbox {
  position: fixed; inset: 0; z-index: 99999;
  background: rgba(0,0,0,0.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 200ms; cursor: zoom-out;
}
.mc-lightbox.open { opacity: 1; pointer-events: all; }
.mc-lightbox img  { max-width: min(92vw, 1100px); max-height: 90vh; border-radius: 12px; object-fit: contain; }
.mc-lightbox-close {
  position: absolute; top: 20px; right: 24px;
  font-size: 28px; color: rgba(255,255,255,0.6);
  cursor: pointer; font-weight: 300; line-height: 1;
  transition: color 120ms;
}
.mc-lightbox-close:hover { color: #fff; }

/* ── Feature split ── */
.mc-feature-split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; align-items: center; }
.mc-feature-split img { width: 100%; border-radius: 14px; border: 0.5px solid var(--border); cursor: zoom-in; }
.mc-feature-text      { display: flex; flex-direction: column; gap: 12px; }
.mc-feature-text h3   { font-size: 18px; font-weight: 800; color: var(--text-1); letter-spacing: -0.02em; margin: 0; }
.mc-feature-text p    { font-size: 13.5px; color: var(--text-2); line-height: 1.65; margin: 0; }

/* ── Note ── */
.mc-note      { background: var(--surface); border: 0.5px solid var(--border); border-radius: 12px; padding: 14px 16px; font-size: 13px; color: var(--text-3); display: flex; gap: 10px; align-items: flex-start; }
.mc-note-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .mc-cover-right      { display: none; }
  .mc-dp-sections      { grid-template-columns: 1fr; }
  .mc-emp-segments     { grid-template-columns: 1fr; }
  .mc-ui-grid          { grid-template-columns: 1fr; }
  .mc-vis-ui-strip     { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .mc-persona-grid     { grid-template-columns: repeat(2, 1fr); }
  .mc-social-stats     { grid-template-columns: 1fr; }
  .mc-img-grid         { grid-template-columns: 1fr; }
  .mc-feature-split    { grid-template-columns: 1fr; }
}
@media (max-width: 440px) {
  .mc-persona-grid     { grid-template-columns: 1fr; }
  .mc-dt-step          { min-width: 80px; }
}

/* ── 3D floating sphere decorations (cover) ── */
.mc-decor-sphere        { position: absolute; pointer-events: none; user-select: none; z-index: 1; }
.mc-decor-sphere-main   { width: clamp(130px,22vw,220px); top: -55px; right: -55px; opacity: 0.45; animation: mc-float 7s ease-in-out infinite; }
.mc-decor-sphere-sm     { width: clamp(55px,9vw,90px); bottom: -20px; left: 22%; opacity: 0.28; animation: mc-float 9s ease-in-out infinite reverse; }
@keyframes mc-float {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-14px); }
}

/* ── Persona illustration avatar ── */
.mc-persona-illus {
  display: block;
  width: 68px;
  height: auto;
  margin: 0 auto 10px;
}

/* ── Actual wireframe screenshots (below interactive mock) ── */
.mc-wireframe-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin-top: 18px;
}
.mc-wireframe-gallery img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform 0.18s, box-shadow 0.18s;
}
.mc-wireframe-gallery img:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.12); }

/* ── Journey steps diagram image ── */
.mc-steps-image {
  display: block;
  max-width: 140px;
  height: auto;
  margin: 20px auto 4px;
}

/* ── Hi-fi UI screenshots grid ── */
.mc-ui-screenshots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
  margin: 24px 0 36px;
}
.mc-ui-screenshots img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 18px rgba(0,0,0,0.10);
  transition: transform 0.2s, box-shadow 0.2s;
}
.mc-ui-screenshots img:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,0.16); }

/* ── responsive additions ── */
@media (max-width: 600px) {
  .mc-wireframe-gallery { grid-template-columns: 1fr 1fr; }
  .mc-ui-screenshots    { grid-template-columns: 1fr; }
  .mc-steps-image       { max-width: 110px; }
}