.project-detail-body {
  background:
    linear-gradient(rgba(255, 255, 255, 0.36), rgba(255, 255, 255, 0.08)),
    var(--bg);
}

.project-detail-main {
  padding-bottom: 40px;
}

.project-detail-hero {
  padding: 72px 0 44px;
}

.project-detail-shell {
  display: grid;
  gap: 30px;
}

.project-detail-header {
  display: grid;
  gap: 18px;
}

.project-detail-header h1 {
  margin: 0;
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

.project-detail-lead {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
}

.project-detail-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.project-detail-meta div {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.52);
}

.project-detail-meta span {
  display: block;
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.project-detail-meta strong {
  display: block;
  margin-top: 8px;
  font-size: 1rem;
  line-height: 1.4;
}

.project-visual-panel {
  position: relative;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(239,244,249,0.82));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.project-visual-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(17, 23, 29, 0.036) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 23, 29, 0.036) 1px, transparent 1px);
  background-size: 18px 18px;
  pointer-events: none;
}

.project-visual-surface {
  position: relative;
  z-index: 1;
  min-height: 310px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(245,248,252,0.82));
  overflow: hidden;
}

.project-visual-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-visual-topbar .dots {
  display: inline-flex;
  gap: 7px;
}

.project-visual-topbar .dots span {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(17, 23, 29, 0.14);
}

.project-visual-layout {
  display: grid;
  grid-template-columns: 1fr 220px;
  min-height: 248px;
}

.project-visual-main {
  padding: 18px 20px 20px;
}

.project-visual-main .frame {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,0.5);
}

.project-visual-main .frame-top {
  height: 18px;
  width: 42%;
  border-radius: 9px;
  background: rgba(49, 94, 219, 0.18);
}

.project-visual-main .frame-body {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 12px;
  min-height: 130px;
}

.project-visual-main .frame-body > div {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(240,245,251,0.9));
}

.project-visual-main .frame-body .wide {
  background: linear-gradient(90deg, rgba(49, 94, 219, 0.08), rgba(255,255,255,0.7));
}

.project-visual-aside {
  border-left: 1px solid var(--line);
  background: rgba(244, 248, 253, 0.88);
  padding: 18px 16px;
}

.project-visual-aside .stack {
  display: grid;
  gap: 10px;
}

.project-visual-aside .stack span {
  display: block;
  height: 18px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255,255,255,0.7);
}

.project-visual-aside .stack span:nth-child(2) {
  width: 72%;
}

.project-visual-aside .stack span:nth-child(3) {
  width: 84%;
}

.detail-section {
  padding: 36px 0;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.detail-label {
  margin: 0;
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.detail-copy h2 {
  margin: 0;
  font-size: clamp(2.1rem, 3vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.06em;
}

.detail-copy p {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.detail-copy p + p {
  margin-top: 16px;
}

.detail-surface {
  position: relative;
  min-height: 230px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.7), rgba(241,245,250,0.8));
  overflow: hidden;
}

.detail-surface::before {
  content: "";
  position: absolute;
  inset: 18px 18px auto 18px;
  height: 18px;
  border-radius: 9px;
  background: rgba(49,94,219,0.12);
}

.detail-surface::after {
  content: "";
  position: absolute;
  inset: 60px 18px 18px 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.8), rgba(238,243,250,0.8));
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.process-step {
  padding: 18px 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,0.48);
}

.process-step strong {
  display: block;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
}

.process-step span {
  display: block;
  margin-top: 10px;
  font-size: 0.9rem;
  color: var(--muted);
}

.design-system-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.design-card {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,0.5);
}

.design-card h3 {
  margin: 0 0 14px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
}

.design-card p,
.design-card li {
  margin: 0;
  color: var(--muted);
}

.color-swatches {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.color-swatch {
  display: grid;
  gap: 8px;
}

.color-swatch span {
  display: block;
  width: 100%;
  height: 54px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.color-swatch strong {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.ui-parts-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.ui-parts-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255,255,255,0.5);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ui-parts-list .primary {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.changelog-list {
  display: grid;
  gap: 18px;
  padding-left: 18px;
  margin: 0;
  border-left: 1px solid var(--line);
}

.changelog-list li {
  position: relative;
  list-style: none;
  padding-left: 22px;
}

.changelog-list li::before {
  content: "";
  position: absolute;
  left: -19px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(49,94,219,0.08);
}

.changelog-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
}

.changelog-list p {
  margin: 0;
  color: var(--muted);
}

.project-next {
  padding: 28px 0 0;
}

.project-next-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.project-next-inner p {
  margin: 0;
  max-width: 640px;
  color: var(--muted);
}

.detail-page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.detail-page-nav .is-disabled {
  pointer-events: none;
  opacity: 0.72;
}

@media (max-width: 980px) {
  .project-detail-meta {
    grid-template-columns: 1fr;
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .project-detail-hero {
    padding-top: 54px;
  }

  .project-visual-layout {
    grid-template-columns: 1fr;
  }

  .project-visual-aside {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .process-grid,
  .design-system-grid {
    grid-template-columns: 1fr;
  }

  .project-next-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}