/* Project case-study page
   Layout: hero → 4-section case study → gallery → prev/next nav → footer
   Design: dark canvas, JetBrains Mono kickers, oversized lowercase title.
*/

.project-page {
  position: relative;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  padding: 0;
  overflow: hidden;
}

/* ---------- Project hero ---------- */

.project-hero {
  position: relative;
  padding: clamp(110px, 18vh, 200px) clamp(20px, 6vw, 96px) clamp(48px, 7vh, 96px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.project-hero-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  gap: clamp(24px, 4vh, 56px);
}

.project-meta-line {
  margin: 0;
  font-family: "JetBrains Mono", "Roboto Mono", monospace;
  font-size: clamp(10px, 0.86vw, 13px);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.project-title {
  margin: 0;
  font-size: clamp(56px, 13vw, 200px);
  line-height: 0.84;
  letter-spacing: -0.05em;
  text-transform: lowercase;
  font-weight: 600;
  color: #f7f7f7;
}

.project-tagline {
  margin: 0;
  max-width: 36ch;
  font-size: clamp(18px, 1.6vw, 26px);
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 400;
}

.project-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px 32px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.project-meta-grid > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.project-meta-grid span {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}

.project-meta-grid strong {
  font-weight: 500;
  font-size: clamp(15px, 1.1vw, 18px);
  color: #f4f4f4;
  letter-spacing: -0.01em;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.project-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: transparent;
  color: #ffffff;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.project-cta:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

.project-cta.primary {
  background: #ffffff;
  color: #0a0a0a;
  border-color: #ffffff;
}

.project-cta.primary:hover {
  background: #f0f0f0;
  color: #000;
}

.project-cover {
  position: relative;
  width: 100%;
  margin-top: clamp(24px, 4vh, 56px);
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  background: #0a0a0a;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.project-cover-media,
.project-cover-xray {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}

.project-cover-xray {
  pointer-events: none;
  clip-path: circle(0px at 0 0);
}

/* ---------- Case study sections ---------- */

.case-study {
  position: relative;
  padding: clamp(64px, 10vh, 140px) clamp(20px, 6vw, 96px);
  background: #ffffff;
  color: #111216;
}

.case-study-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  gap: clamp(40px, 6vh, 88px);
}

.case-block {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.6fr);
  gap: clamp(24px, 4vw, 80px);
  padding-bottom: clamp(32px, 5vh, 64px);
  border-bottom: 1px solid rgba(16, 18, 22, 0.12);
}

.case-block:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.case-block-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.case-kicker {
  margin: 0;
  font-family: "JetBrains Mono", "Roboto Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(16, 18, 22, 0.55);
}

.case-block h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  text-transform: lowercase;
  font-weight: 600;
  color: #0a0a0a;
}

.case-block-body {
  display: grid;
  gap: 18px;
}

.case-block-body p {
  margin: 0;
  font-size: clamp(16px, 1.15vw, 19px);
  line-height: 1.55;
  color: rgba(16, 18, 22, 0.82);
  max-width: 64ch;
}

.case-block-body p strong {
  color: #0a0a0a;
}

/* Tech list — chip grid */
.tech-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-list li {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  padding: 8px 14px;
  border: 1px solid rgba(16, 18, 22, 0.18);
  border-radius: 999px;
  background: rgba(16, 18, 22, 0.04);
  color: #111216;
  letter-spacing: 0.02em;
}

/* Result metrics */
.result-metrics {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 18px;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid rgba(16, 18, 22, 0.14);
  border-radius: 14px;
  background: #fafafa;
}

.metric strong {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #0a0a0a;
}

.metric span {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(16, 18, 22, 0.6);
}

/* ---------- Gallery ---------- */

.project-gallery {
  background: #000000;
  color: #f5f5f5;
  padding: clamp(64px, 10vh, 140px) clamp(20px, 6vw, 96px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.project-gallery-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  gap: clamp(24px, 4vh, 48px);
}

.gallery-kicker {
  margin: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(14px, 2vw, 28px);
}

.gallery-grid figure {
  position: relative;
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #0a0a0a;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.gallery-grid figure.tall {
  aspect-ratio: 3 / 4;
}

.gallery-grid figure.wide {
  grid-column: span 2;
  aspect-ratio: 16 / 9;
}

.gallery-grid img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}

.gallery-grid .xray-layer {
  pointer-events: none;
  clip-path: circle(0px at 0 0);
}

@media (max-width: 720px) {
  .gallery-grid figure.wide {
    grid-column: span 1;
    aspect-ratio: 4 / 3;
  }
}

/* ---------- Prev/next project nav ---------- */

.project-nav {
  background: #ffffff;
  color: #111216;
  padding: clamp(48px, 7vh, 96px) clamp(20px, 6vw, 96px);
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  align-items: stretch;
  border-top: 1px solid rgba(16, 18, 22, 0.08);
}

.project-nav-link {
  flex: 1 1 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 30px;
  border: 1px solid rgba(16, 18, 22, 0.14);
  border-radius: 18px;
  background: #fafafa;
  color: #0a0a0a;
  text-decoration: none;
  transition: transform 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.project-nav-link:hover {
  transform: translateY(-2px);
  background: #f0f0f0;
  border-color: rgba(16, 18, 22, 0.32);
}

.project-nav-link.next {
  text-align: right;
  align-items: flex-end;
}

.project-nav-kicker {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(16, 18, 22, 0.55);
}

.project-nav-link strong {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1;
  letter-spacing: -0.035em;
  text-transform: lowercase;
  font-weight: 600;
}

.project-nav-link span.arrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.15em;
  color: rgba(16, 18, 22, 0.7);
}

/* ---------- Project page footer (reuses .site-footer; tweaks if needed) ---------- */

.project-page .site-footer {
  background: #000000;
  color: #f5f5f5;
}

/* ---------- Responsive tweaks ---------- */

@media (max-width: 900px) {
  .case-block {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .project-hero {
    padding-top: clamp(96px, 14vh, 140px);
  }

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

  .project-nav-link.next {
    text-align: left;
    align-items: flex-start;
  }
}

@media (max-width: 540px) {
  .project-meta-grid {
    grid-template-columns: 1fr;
  }
}