.project-page {
  overflow: hidden;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: var(--fs-small);
  font-weight: 600;
  transition: color 0.25s var(--ease-spring);
}

.back-link:hover {
  color: var(--accent);
}

.project-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + 56px) 0 96px;
}

.project-hero__glow {
  position: absolute;
  top: -120px;
  right: -120px;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.08) 0%, transparent 72%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 1s ease;
}

.project-hero__glow.visible {
  opacity: 1;
}

.project-hero__content {
  position: relative;
}

.project-hero__layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 48px;
  align-items: center;
}

.project-hero__media {
  position: relative;
  width: min(100%, 460px);
  margin-left: auto;
}

.project-hero__asset {
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: #fff;
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(15, 15, 26, 0.08);
}

.project-hero__asset img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-hero__title {
  font-family: var(--font-heading);
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.05em;
  margin-bottom: 24px;
}

.project-hero__subtitle {
  max-width: 620px;
  color: var(--text-muted);
  font-size: var(--fs-body);
  margin-bottom: 32px;
}

.project-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.project-hero__note {
  color: var(--text-muted);
  font-size: var(--fs-small);
  margin-bottom: 24px;
}

.project-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.project-section__intro {
  max-width: 760px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.project-interactive {
  background: var(--bg-soft);
}

.canvas-frame {
  max-width: 800px;
  margin: 0 auto;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 50px rgba(15, 15, 26, 0.06);
}

.canvas-frame canvas {
  display: block;
  width: 100%;
  border-radius: 12px;
}

.canvas-frame__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-top: 22px;
}

.canvas-frame__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
}

.canvas-frame__hint {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: var(--fs-small);
}

.control-row {
  display: flex;
  flex: 1 1 280px;
  flex-direction: column;
  gap: 10px;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--text);
}

.slider-label output {
  color: var(--accent);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.metric-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.metric-badge {
  min-width: 110px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-soft);
}

.metric-badge span {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-badge strong {
  font-family: var(--font-heading);
  font-size: 1.16rem;
  letter-spacing: -0.02em;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: #fef2f2;
  color: #b91c1c;
  font-size: var(--fs-small);
  font-weight: 600;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s var(--ease-out-expo), transform 0.25s var(--ease-out-expo);
}

.status-badge.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.project-widget {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.selector-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.selector-label {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.choice-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--text);
  font-weight: 600;
  transition: all 0.25s var(--ease-spring);
}

.choice-pill:hover {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
}

.choice-pill.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px var(--accent-glow);
}

.choice-pill:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.project-widget .btn:disabled,
.canvas-frame__controls .btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.generated-card {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(18px);
  transition: max-height 0.45s var(--ease-out-expo), opacity 0.45s var(--ease-out-expo), transform 0.45s var(--ease-out-expo);
  pointer-events: none;
}

.generated-card.is-visible {
  max-height: 420px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.generated-card__inner {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.generated-card__eyebrow {
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.generated-card__title {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  letter-spacing: -0.03em;
}

.generated-card__ingredients {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  color: var(--text-muted);
}

.generated-card__ingredients li {
  position: relative;
  padding-left: 18px;
}

.generated-card__ingredients li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--accent-light);
  transform: translateY(-50%);
}

.generated-card__serve {
  margin-top: 16px;
  font-weight: 600;
  color: var(--text);
}

.equation-browser {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.equation-card {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.equation-card__label {
  display: block;
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.equation-card__title {
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}

.equation-card__text {
  color: var(--text-muted);
}

.equation-card__equations {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.equation-block {
  padding: 16px 18px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.equation-block mjx-container {
  margin: 0 !important;
}

.equation-meta {
  display: block;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.equation-meta__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.equation-meta__item > span {
  flex: 0 0 auto;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.equation-meta__item strong {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 18px;
  font-size: var(--fs-small);
  line-height: 1.5;
  text-align: left;
  white-space: nowrap;
}

.equation-constant {
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
}

.project-details__grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(280px, 2fr);
  gap: 36px;
  align-items: start;
}

.project-details__content p {
  max-width: 720px;
  margin-bottom: 18px;
  color: var(--text-muted);
}

.project-glance {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  padding: 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 14px 36px rgba(15, 15, 26, 0.04);
}

.project-glance__title {
  margin-bottom: 18px;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.project-glance__item + .project-glance__item {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.project-glance__label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-glance__value {
  font-weight: 600;
  line-height: 1.5;
}

.project-glance__link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  transition: color 0.25s var(--ease-spring), opacity 0.25s var(--ease-spring);
}

.project-glance__link:hover {
  color: var(--accent-hover);
  opacity: 0.9;
}

.project-controls {
  background: linear-gradient(180deg, rgba(15, 15, 26, 0.03) 0%, rgba(15, 15, 26, 0) 100%);
}

.flight-card {
  padding: 30px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 14px 36px rgba(15, 15, 26, 0.04);
}

.controls-table {
  display: flex;
  flex-direction: column;
}

.controls-table__row {
  display: grid;
  grid-template-columns: minmax(220px, 0.95fr) minmax(0, 1.35fr);
  gap: 22px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

.controls-table__row--head {
  padding-top: 0;
  border-top: 0;
}

.controls-table__cell {
  min-width: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.controls-table__row--head .controls-table__cell {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.controls-table__cell--label strong {
  display: block;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.4;
}

.controls-table__cell--label span {
  display: block;
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.flight-state {
  margin-top: 24px;
  padding: 20px 22px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.flight-state__label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.flight-state__text {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.flight-state__text strong {
  color: var(--text);
}

.roadmap-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.roadmap-item {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 14px 36px rgba(15, 15, 26, 0.04);
}

.roadmap-item__title {
  margin-bottom: 10px;
  font-family: var(--font-heading);
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.roadmap-item p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.65;
}

.project-media__gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.project-media__gallery--portrait {
  align-items: flex-start;
}

.project-media__gallery--wide {
  align-items: flex-start;
}

.project-media__item {
  width: min(100%, 340px);
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: 0 14px 36px rgba(15, 15, 26, 0.05);
}

.project-media__item--portrait {
  width: min(100%, 250px);
}

.project-media__item--wide {
  width: min(100%, 520px);
}

.project-media__image {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.project-media__image--portrait {
  aspect-ratio: 1242 / 2688;
}

.project-media__image--wide {
  aspect-ratio: 1080 / 530;
}

.libgdx-browser {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.libgdx-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.libgdx-flow__item {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font-size: var(--fs-small);
  font-weight: 600;
}

.libgdx-card {
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.libgdx-card__label {
  display: block;
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.libgdx-card__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.libgdx-card__text {
  color: var(--text-muted);
}

.libgdx-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.libgdx-meta__item span {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.libgdx-meta__item strong {
  font-size: var(--fs-small);
  line-height: 1.5;
}

.chart-stage {
  position: relative;
}

.chart-tooltip {
  position: absolute;
  min-width: 170px;
  padding: 12px 14px;
  background: rgba(15, 15, 26, 0.94);
  color: #fff;
  border-radius: 14px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.24);
  font-size: 0.8rem;
  line-height: 1.5;
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.chart-tooltip.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.chart-tooltip strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
}

.chart-tooltip span {
  display: block;
}

@media (max-width: 767px) {
  .project-hero {
    padding: calc(var(--nav-height) + 36px) 0 72px;
  }

  .project-hero__glow {
    top: -200px;
    right: 50%;
    transform: translateX(50%);
    width: 520px;
    height: 520px;
  }

  .project-hero__title {
    font-size: clamp(2.8rem, 15vw, 4rem);
  }

  .project-hero__layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .project-hero__asset {
    border-radius: var(--radius-lg);
  }

  .project-hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .project-hero__actions .btn,
  .canvas-frame__controls .btn {
    width: 100%;
    justify-content: center;
  }

  .canvas-frame {
    padding: 18px;
  }

  .canvas-frame__toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .metric-badge {
    flex: 1 1 120px;
  }

  .choice-pill {
    flex: 1 1 calc(50% - 6px);
  }

  .equation-meta {
    grid-template-columns: 1fr;
  }

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

  .project-glance {
    position: static;
  }

  .flight-card {
    padding: 22px 20px;
  }

  .controls-table__row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .controls-table__row--head {
    display: none;
  }

  .controls-table__row:first-of-type {
    border-top: 0;
    padding-top: 0;
  }

  .roadmap-list {
    grid-template-columns: 1fr;
  }

  .project-media__gallery {
    gap: 18px;
  }

  .project-media__gallery--portrait {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .project-media__item {
    width: min(100%, 360px);
  }

  .project-media__item--portrait {
    width: 100%;
  }

  .project-media__item--wide {
    width: 100%;
  }

  .project-media__image {
    height: 200px;
  }

  .project-media__image--portrait {
    height: auto;
  }

  .project-media__image--wide {
    height: auto;
  }

  .libgdx-meta {
    grid-template-columns: 1fr;
  }

  .chart-tooltip {
    min-width: 150px;
  }
}