/* ========== Project Intro Page ========== */
.p-intro {
  padding: 60px 60px 100px;
}

.p-intro__back {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-dim);
  margin-bottom: 30px;
  transition: color .25s;
}
.p-intro__back:hover { color: var(--accent); }
.p-intro__back .arr { transition: transform .35s; }
.p-intro__back:hover .arr { transform: translateX(-6px); }

/* ===== Head ===== */
.p-intro__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.p-intro__head-left {
  flex: 1;
  min-width: 320px;
}
.p-intro__case {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 18px;
  display: inline-block;
  border: 1px solid var(--accent-line);
  padding: 5px 12px;
}
.p-intro__title {
  font-family: var(--font-serif);
  font-size: clamp(42px, 6vw, 88px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.p-intro__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

/* ===== Body grid: meta sidebar + report ===== */
.p-intro__body {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  margin-top: 40px;
  align-items: flex-start;
}

.p-intro__meta {
  background: var(--panel-solid);
  border: 1px solid var(--border);
  padding: 28px 28px;
  position: sticky;
  top: 30px;
}
.p-intro__meta .lab-head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--accent);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.p-intro__meta dl {
  display: grid;
  grid-template-columns: 1fr;
}
.p-intro__meta dl > div {
  display: grid;
  grid-template-columns: 90px 1fr;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
}
.p-intro__meta dl > div:last-child { border-bottom: none; }
.p-intro__meta dt {
  color: var(--text-dim);
  letter-spacing: 0.18em;
}
.p-intro__meta dd {
  color: var(--text);
  text-align: right;
  letter-spacing: 0.05em;
}

.p-intro__tags {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.p-intro__tags .lab {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.22em;
  margin-bottom: 14px;
}
.p-intro__tags-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.p-intro__tags-list span {
  border: 1px solid var(--border-strong);
  padding: 9px 6px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  transition: all .25s;
}
.p-intro__tags-list span:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* ===== Report (right) ===== */
.p-intro__report {
  min-height: 100vh;
}
.p-intro__report-head {
  font-family: var(--font-serif);
  font-size: 28px;
  letter-spacing: -0.005em;
  color: var(--text);
  margin-bottom: 26px;
  display: block;
  position: relative;
  padding-bottom: 12px;
}
.p-intro__report-head::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 40px; height: 2px;
  background: var(--accent);
}
.p-intro__report p {
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 22px;
  max-width: 720px;
}

.p-intro__report-image {
  margin-top: 36px;
  margin-bottom: 36px;
  width: 100%;
  aspect-ratio: 16/10;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(255,255,255,0.06), transparent 60%),
    repeating-linear-gradient(135deg, #1a1a1a 0 6px, #0e0e0e 6px 12px);
  border: 1px solid var(--border);
  position: relative;
}
.p-intro__report-image::before,
.p-intro__report-image::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border: 1.5px solid var(--accent);
}
.p-intro__report-image::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.p-intro__report-image::after { bottom: -1px; right: -1px; border-left: none; border-top: none; }

/* CTA */
.p-intro__cta {
  display: inline-flex; align-items: center; gap: 18px;
  padding: 16px 26px;
  border: 1.5px solid var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: all .3s;
  cursor: pointer;
}
.p-intro__cta:hover {
  background: var(--accent);
  color: #fff;
}
.p-intro__cta .arr {
  font-size: 16px;
  transition: transform .35s;
}
.p-intro__cta:hover .arr { transform: translateX(8px); }

/* CTA inside meta sidebar (full width, between TAGS and bottom) */
.p-intro__cta--side {
  display: flex;
  width: 100%;
  margin-top: 24px;
  padding: 14px 18px;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
}

/* ===== Other projects grid ===== */
.p-intro__more {
  margin-top: 100px;
  padding-top: 60px;
  border-top: 1px solid var(--border);
}
.p-intro__more-head {
  font-family: var(--font-serif);
  font-size: 32px;
  letter-spacing: -0.005em;
  color: var(--text);
  margin-bottom: 36px;
  display: block;
  position: relative;
  padding-bottom: 14px;
}
.p-intro__more-head::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 50px; height: 2px;
  background: var(--accent);
}

.p-intro__more-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.more-item {
  position: relative;
  aspect-ratio: 16/10;
  background: #161616;
  border: 1px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  transition: border-color .3s;
}
.more-item:hover { border-color: var(--accent); }
.more-item__img {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(255,255,255,0.06), transparent 60%),
    repeating-linear-gradient(135deg, #1a1a1a 0 6px, #0e0e0e 6px 12px);
  filter: grayscale(0.9) brightness(0.55);
  transition: filter .5s, transform .8s;
}
.more-item:hover .more-item__img {
  filter: grayscale(0.2) brightness(0.85);
  transform: scale(1.05);
}
.more-item__index {
  position: absolute;
  top: 14px; left: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: #fff;
  background: var(--accent);
  padding: 3px 8px;
}
.more-item__title {
  position: absolute;
  bottom: 14px; left: 16px;
  font-family: var(--font-serif);
  font-size: 24px;
  color: #fff;
}
.more-item__cat {
  position: absolute;
  bottom: 14px; right: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

@media (max-width: 1000px) {
  .p-intro__body { grid-template-columns: 1fr; }
  .p-intro__meta { position: static; }
  .p-intro__more-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .p-intro { padding: 40px 18px 60px; }
  .p-intro__more-grid { grid-template-columns: 1fr; }
}