/* ============================================================
   CIEL · 内页通用样式（About / Work / Contact / Case）
   ============================================================ */

/* 内页头 */
.page-hero {
  padding-top: calc(var(--nav-h) + clamp(60px, 10vw, 120px));
  padding-bottom: clamp(40px, 6vw, 80px);
}
.page-hero .page-kicker {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.page-hero .page-kicker::before {
  content: "";
  width: 40px; height: 1px;
  background: var(--accent-bright);
}
.page-hero .page-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 10vw, 140px);
  line-height: 0.92;
  text-transform: uppercase;
  color: var(--text);
}
.page-hero .page-title .accent { color: var(--accent-bright); }

/* 段落正文 */
.prose {
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 680px;
}
.prose strong { color: var(--text); font-weight: 500; }

/* 双栏布局 */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* 能力标签 */
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.skill-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text);
  transition: border-color 0.3s var(--ease-out), color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}
.skill-chip:hover {
  border-color: var(--accent-bright);
  color: var(--accent);
  background: rgba(109, 47, 184, 0.08);
}

/* 作品网格卡片 */
.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: clamp(20px, 3vw, 40px);
}
.work-card {
  position: relative;
  display: block;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
  transition: border-color 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}
.work-card:hover { border-color: var(--accent-bright); transform: translateY(-6px); }
.work-card .card-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--surface-2);
}
.work-card .card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.work-card:hover .card-media img { transform: scale(1.06); }
.work-card .card-body {
  padding: 20px 24px;
}
.work-card .card-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent-bright);
}
.work-card .card-title {
  font-family: var(--font-display);
  font-size: 22px;
  text-transform: uppercase;
  color: var(--text);
  margin-top: 8px;
}
.work-card .card-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-top: 8px;
}

/* 案例详情页 */
.case-hero {
  padding-top: calc(var(--nav-h) + clamp(40px, 8vw, 100px));
  padding-bottom: 40px;
}
.case-hero .case-category {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--accent-bright);
}
.case-hero .case-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 12vw, 160px);
  line-height: 0.9;
  text-transform: uppercase;
  color: var(--text);
  margin-top: 16px;
}
.case-hero .case-sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(18px, 3vw, 28px);
  color: var(--text-dim);
  margin-top: 20px;
}
.case-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
@media (max-width: 860px) { .case-meta-grid { grid-template-columns: 1fr; } }
.case-meta-grid .meta-item .meta-key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.case-meta-grid .meta-item .meta-val {
  font-size: 15px;
  color: var(--text);
  margin-top: 8px;
}

.case-body {
  padding: clamp(40px, 6vw, 80px) 0 clamp(80px, 10vw, 140px);
}
.case-body .case-section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 56px);
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 32px;
}
.case-body .case-section-title .accent { color: var(--accent-bright); }

/* 大图 */
.case-figure {
  margin: clamp(32px, 5vw, 64px) 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.case-figure img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--surface-2);
}
.case-figure figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  padding: 12px 16px;
  background: var(--surface);
}

/* 上一页 / 下一页 */
.case-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--border);
}
.case-nav a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 32px;
  text-decoration: none;
  transition: background 0.3s var(--ease-out);
}
.case-nav a:hover { background: var(--surface); }
.case-nav a.next { text-align: right; border-left: 1px solid var(--border); }
.case-nav .nav-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.case-nav .nav-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 32px);
  text-transform: uppercase;
  color: var(--text);
}
.case-nav a:hover .nav-title { color: var(--accent-bright); }

/* 联系页表单 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info .info-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.contact-info .info-row .info-key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  width: 90px;
  flex-shrink: 0;
}
.contact-info .info-row .info-val {
  font-size: 16px;
  color: var(--text);
  text-decoration: none;
}
.contact-info a.info-val:hover { color: var(--accent-bright); }