/* Project archive and case study refinement */

body[data-page='projects'] main .shell,
.project-detail .shell {
  width: min(calc(100% - 80px), 1440px);
  max-width: none;
  margin-inline: auto;
  padding-inline: 0;
}

/* Archive */
.projects-hero .page-title h1 {
  font-size: clamp(38px, 4vw, 54px);
  font-weight: 480;
}

.portfolio-section {
  padding: 64px 0 128px;
}

.portfolio-toolbar {
  margin-bottom: 46px;
}

.portfolio-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 66px 22px;
}

.portfolio-card h2 {
  font-size: clamp(21px, 1.55vw, 26px);
  font-weight: 540;
}

.portfolio-card-description {
  min-height: 0;
  max-width: 94%;
  font-size: 15px;
  line-height: 1.75;
}

/* Empty image areas */
.project-placeholder,
.detail-placeholder {
  --accent-color: var(--point);
  position: relative;
  display: flex;
  width: 100%;
  height: 100%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  overflow: hidden;
  background: #0b0d11;
  color: var(--text);
  text-align: center;
}

.project-placeholder::before,
.detail-placeholder::before {
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.055);
  content: '';
}

.project-placeholder::after,
.detail-placeholder::after,
.project-placeholder .placeholder-grid,
.detail-placeholder .placeholder-grid,
.project-placeholder .placeholder-orbit,
.detail-placeholder .placeholder-orbit {
  display: none !important;
}

.project-placeholder > span,
.detail-placeholder > span {
  position: relative;
  z-index: 1;
  color: var(--accent-color);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.16em;
}

.project-placeholder strong,
.detail-placeholder strong,
.project-hero-visual .detail-placeholder strong {
  position: relative;
  z-index: 1;
  max-width: 78%;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 1.55vw, 24px);
  font-weight: 520;
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.project-placeholder small,
.detail-placeholder small {
  position: relative;
  z-index: 1;
  margin-top: 0;
  color: rgba(255, 255, 255, 0.32);
  font-size: 9px;
  letter-spacing: 0.13em;
}

/* Detail hero */
.project-detail-hero {
  padding: calc(var(--header-height) + 78px) 0 96px;
}

.project-detail-head {
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: clamp(48px, 6vw, 86px);
}

.project-detail-title h1 {
  max-width: 920px;
  font-size: clamp(40px, 4.4vw, 62px);
  font-weight: 480;
  line-height: 1.08;
  letter-spacing: -0.052em;
}

.project-detail-title > p:last-child {
  max-width: 760px;
  margin-top: 24px;
  font-size: 17px;
  line-height: 1.75;
}

.project-live-link {
  margin-top: 26px;
}

.project-hero-visual {
  aspect-ratio: 16 / 8.2;
  margin-top: 58px;
}

/* Shared section rhythm */
.case-section,
.project-gallery-section {
  padding: 104px 0;
}

.case-two-column,
.case-section-heading {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: clamp(44px, 6vw, 84px);
}

.case-label {
  align-items: center;
  padding-top: 4px;
  font-size: 11px;
  letter-spacing: 0.09em;
}

.case-copy-large p {
  max-width: 920px;
  font-size: clamp(21px, 1.75vw, 28px);
  font-weight: 430;
  line-height: 1.62;
  letter-spacing: -0.026em;
}

/* Challenge and approach */
.case-challenge-section {
  background: var(--bg-soft);
}

.case-content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.case-content-grid article {
  min-height: 350px;
  padding: 54px 58px 58px 0;
  background: transparent;
}

.case-content-grid article + article {
  padding-right: 0;
  padding-left: 58px;
  border-left: 1px solid var(--line);
}

.case-content-grid h2 {
  margin-top: 66px;
  font-size: clamp(25px, 2.2vw, 31px);
  font-weight: 520;
  line-height: 1.3;
  letter-spacing: -0.035em;
}

.case-content-grid article > p {
  max-width: 620px;
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.85;
}

/* System */
.case-section-heading {
  align-items: start;
  margin-bottom: 50px;
}

.case-section-heading h2,
.result-layout h2 {
  margin-top: 0;
  font-size: clamp(28px, 2.65vw, 38px);
  font-weight: 510;
  line-height: 1.3;
  letter-spacing: -0.04em;
}

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

.system-feature-grid article {
  min-height: 200px;
  padding: 25px 28px 28px;
}

.system-feature-grid h3 {
  max-width: 95%;
  margin-top: 66px;
  font-size: 17px;
  font-weight: 520;
  line-height: 1.52;
}

/* Gallery position holders */
.project-gallery-section {
  background: #07080a;
}

.project-gallery-grid {
  gap: 54px 20px;
}

.project-gallery-visual {
  aspect-ratio: 4 / 3;
  background: #0b0d11;
}

.project-gallery-item.is-wide .project-gallery-visual {
  aspect-ratio: 16 / 7.2;
}

.project-gallery-item figcaption {
  margin-top: 14px;
  font-size: 12px;
}

.detail-placeholder.is-compact strong {
  font-size: clamp(16px, 1.35vw, 21px);
}

/* Result */
.result-layout {
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: clamp(60px, 8vw, 120px);
}

.result-list {
  margin-top: 40px;
}

.result-list li {
  padding: 18px 0;
  font-size: 16px;
  line-height: 1.7;
}

.project-information {
  padding: 34px;
}

.next-project h2 {
  font-size: clamp(27px, 2.5vw, 38px);
  font-weight: 500;
}

@media (max-width: 1100px) {
  body[data-page='projects'] main .shell,
  .project-detail .shell {
    width: min(calc(100% - 48px), 1440px);
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .project-summary-list {
    max-width: 560px;
  }

  .case-two-column,
  .case-section-heading {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 42px;
  }

  .system-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  body[data-page='projects'] main .shell,
  .project-detail .shell {
    width: calc(100% - 40px);
  }

  .portfolio-grid,
  .case-content-grid,
  .system-feature-grid,
  .project-gallery-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .portfolio-toolbar > p {
    text-align: left;
  }

  .project-detail-hero {
    padding-top: calc(var(--header-height) + 56px);
  }

  .project-detail-title h1 {
    font-size: clamp(34px, 10vw, 44px);
  }

  .project-hero-visual,
  .project-gallery-item.is-wide .project-gallery-visual {
    aspect-ratio: 4 / 3;
  }

  .case-section,
  .project-gallery-section {
    padding: 78px 0;
  }

  .case-two-column,
  .case-section-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .case-copy-large p {
    font-size: clamp(20px, 5.7vw, 24px);
    line-height: 1.65;
  }

  .case-content-grid {
    border-bottom: 0;
  }

  .case-content-grid article,
  .case-content-grid article + article {
    min-height: 0;
    padding: 42px 0 46px;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .case-content-grid h2 {
    margin-top: 42px;
  }

  .system-feature-grid article {
    min-height: 170px;
  }

  .project-gallery-item.is-wide {
    grid-column: auto;
  }

  .project-information {
    padding: 26px 22px;
  }
}