/* ==============================================
   Portfolio — 엠바스 외주 사례 목록 · 상세
   전역 base.css 의 button/a/h 규칙과 부딪히지 않도록 모든 선택자를 .portfolio-page 아래로 둔다.
   모바일에서 루트 font-size 가 줄어들므로(default.css) 크기는 px 로 쓴다. 헤더 여백만 갤러리와 같은 rem.
   ============================================== */

.portfolio-page {
  --pf-bg: #ffffff; --pf-soft: #f4f6fa; --pf-hero: #eef4ff;
  --pf-ink: #0d1120; --pf-ink2: #454c61; --pf-ink3: #5d6479;
  --pf-line: #e3e7ee; --pf-line2: #d3d9e3;
  --pf-accent: #1e6ff5; --pf-accent-ink: #1559d6; --pf-accent-soft: #e8f0fe;
  --pf-shadow: 0 18px 40px -20px rgba(30, 111, 245, .45);
  --pf-top: 0px; /* 붙는 탭이 멈출 위치 — 헤더 높이에 맞춰 스크립트가 고침 */
  padding-top: 9rem;
  background: var(--pf-bg);
  color: var(--pf-ink);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  word-break: keep-all;
}
.portfolio-page *, .portfolio-page *::before, .portfolio-page *::after { box-sizing: border-box; }
.portfolio-page a { color: inherit; text-decoration: none; }
.portfolio-page button { font-family: inherit; }
.portfolio-page img { max-width: 100%; }
.portfolio-page :focus-visible { outline: 3px solid var(--pf-accent); outline-offset: 2px; border-radius: 6px; }

/* ── 목록 ── */
/* 제목 영역은 갤러리 · 템플릿 머리와 같은 크기 · 색(gallery.css .gallery-hero) — 메뉴 페이지끼리 통일 */
.portfolio-page .pf-hero { background: linear-gradient(180deg, var(--pf-hero) 0%, var(--pf-bg) 100%); padding: 100px 16px 40px; text-align: center; }
.portfolio-page .pf-hero h1 { margin: 0; font-size: 52px; font-weight: 800; line-height: 1.3; color: #0f0e0e; text-wrap: balance; }
.portfolio-page .pf-hero p { margin: 18px auto 0; max-width: 760px; font-size: 22px; color: #6b7280; text-align: center; text-wrap: balance; }

.portfolio-page .pf-filters { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; padding: 8px 16px 32px; }
.portfolio-page .pf-chip { height: 44px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--pf-line2); background: var(--pf-bg); color: var(--pf-ink2); font-size: 15px; font-weight: 700; display: inline-flex; align-items: center; gap: 7px; cursor: pointer; transition: background .15s, color .15s, border-color .15s; }
.portfolio-page .pf-chip:hover { border-color: var(--pf-ink3); }
.portfolio-page .pf-chip[aria-pressed="true"] { background: var(--pf-ink); color: #fff; border-color: var(--pf-ink); }
.portfolio-page .pf-n { font-weight: 600; opacity: .6; font-variant-numeric: tabular-nums; }

.portfolio-page .pf-wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px 72px; }
.portfolio-page .pf-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
.portfolio-page .pf-grid.pf-three { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.portfolio-page .pf-card { display: flex; flex-direction: column; border: 1px solid var(--pf-line); border-radius: 16px; overflow: hidden; background: var(--pf-bg); color: var(--pf-ink); transition: border-color .2s, box-shadow .25s, transform .25s; }
.portfolio-page .pf-card:hover, .portfolio-page .pf-card:focus-visible { border-color: var(--pf-accent); box-shadow: var(--pf-shadow); transform: translateY(-2px); outline: none; }
.portfolio-page .pf-thumb { aspect-ratio: 16 / 9; background: var(--pf-soft); overflow: hidden; }
.portfolio-page .pf-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s cubic-bezier(.2, .7, 0, 1); }
.portfolio-page .pf-card:hover .pf-thumb img { transform: scale(1.03); }
.portfolio-page .pf-body { padding: 20px 24px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; min-width: 0; }
.portfolio-page .pf-meta { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--pf-ink3); flex-wrap: wrap; }
.portfolio-page .pf-badge { display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: 999px; background: var(--pf-accent-soft); color: var(--pf-accent-ink); font-size: 12px; font-weight: 700; }
.portfolio-page .pf-more { margin-left: auto; color: var(--pf-accent); font-weight: 700; opacity: 0; transition: opacity .2s; }
.portfolio-page .pf-card:hover .pf-more, .portfolio-page .pf-card:focus-visible .pf-more { opacity: 1; }
.portfolio-page .pf-name { font-size: 21px; font-weight: 800; line-height: 1.38; letter-spacing: -.01em; }
.portfolio-page .pf-three .pf-name { font-size: 18px; }
.portfolio-page .pf-three .pf-body { padding: 16px 18px 18px; }
.portfolio-page .pf-client { font-size: 14px; font-weight: 600; color: var(--pf-ink3); }
.portfolio-page .pf-one { font-size: 15px; color: var(--pf-ink2); line-height: 1.55; }
.portfolio-page .pf-tags { margin-top: auto; padding-top: 6px; display: flex; gap: 6px; flex-wrap: wrap; }
.portfolio-page .pf-tag { height: 28px; padding: 0 11px; border-radius: 8px; background: var(--pf-soft); color: var(--pf-ink2); font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; }
.portfolio-page .pf-empty { grid-column: 1 / -1; text-align: center; color: var(--pf-ink3); padding: 48px 0; }

/* ── 문의 띠 ── */
.portfolio-page .pf-band { max-width: 1200px; margin: 0 auto; padding: 0 24px 80px; }
.portfolio-page .pf-band-in { background: var(--pf-ink); color: #fff; border-radius: 20px; padding: 44px 48px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.portfolio-page .pf-band h2 { margin: 0; font-size: clamp(22px, 3vw, 30px); font-weight: 800; line-height: 1.35; letter-spacing: -.01em; color: #fff; }
.portfolio-page .pf-band p { margin: 8px 0 0; color: #c3cad8; font-size: 16px; }
.portfolio-page .pf-band-act { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.portfolio-page .pf-btn { height: 52px; padding: 0 22px; border-radius: 10px; font-size: 16px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; border: none; }
.portfolio-page .pf-btn-primary { background: var(--pf-accent); color: #fff; }
.portfolio-page .pf-btn-primary:hover { background: var(--pf-accent-ink); }
.portfolio-page .pf-btn-ghost { background: rgba(255, 255, 255, .08); color: #fff; border: 1px solid rgba(255, 255, 255, .25); }
.portfolio-page .pf-btn-line { background: transparent; color: var(--pf-ink); border: 1px solid var(--pf-line2); }
.portfolio-page .pf-mail { font-family: ui-monospace, Consolas, monospace; font-size: 14px; }

/* ── 상세 ── */
.portfolio-page .pf-crumb { max-width: 1200px; margin: 0 auto; padding: 24px 24px 0; display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--pf-ink3); flex-wrap: wrap; }
.portfolio-page .pf-crumb a { font-weight: 600; }
.portfolio-page .pf-crumb a:hover { color: var(--pf-accent); }
.portfolio-page .pf-sep { opacity: .5; }

.portfolio-page .pf-top { max-width: 1200px; margin: 0 auto; padding: 20px 24px 48px; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px; align-items: start; }
.portfolio-page .pf-gal { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.portfolio-page .pf-stage { position: relative; aspect-ratio: 4 / 3; border-radius: 16px; overflow: hidden; background: var(--pf-soft); }
.portfolio-page .pf-zoom { display: block; width: 100%; height: 100%; padding: 0; border: none; background: none; cursor: zoom-in; border-radius: inherit; }
.portfolio-page .pf-stage .pf-zoom img { width: 100%; height: 100%; object-fit: contain; display: block; }
.portfolio-page .pf-arrow { position: absolute; top: 50%; margin-top: -22px; width: 44px; height: 44px; border-radius: 50%; border: none; background: rgba(255, 255, 255, .94); color: var(--pf-ink); display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: 0 4px 14px rgba(0, 0, 0, .18); }
.portfolio-page .pf-prev { left: 12px; }
.portfolio-page .pf-next { right: 12px; }
.portfolio-page .pf-pill { position: absolute; bottom: 12px; padding: 3px 10px; border-radius: 999px; background: rgba(13, 17, 32, .72); color: #fff; font-size: 13px; font-weight: 700; font-variant-numeric: tabular-nums; pointer-events: none; }
.portfolio-page .pf-pill-left { left: 12px; }
.portfolio-page .pf-pill-right { right: 12px; }
.portfolio-page .pf-strip { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.portfolio-page .pf-strip button { flex: 0 0 72px; height: 72px; padding: 0; border-radius: 10px; overflow: hidden; border: 2px solid transparent; background: var(--pf-soft); cursor: pointer; }
.portfolio-page .pf-strip button[aria-current="true"] { border-color: var(--pf-accent); }
.portfolio-page .pf-strip img { width: 100%; height: 100%; object-fit: cover; display: block; }

.portfolio-page .pf-box { position: sticky; top: calc(var(--pf-top) + 20px); border: 1px solid var(--pf-line); border-radius: 16px; padding: 28px; display: flex; flex-direction: column; gap: 14px; background: var(--pf-bg); min-width: 0; }
.portfolio-page .pf-box h1 { margin: 0; font-size: clamp(24px, 3vw, 30px); font-weight: 800; line-height: 1.3; letter-spacing: -.015em; color: var(--pf-ink); }
.portfolio-page .pf-lede { margin: 0; font-size: 16px; color: var(--pf-ink2); }
.portfolio-page .pf-spec { margin: 6px 0 0; border-top: 1px solid var(--pf-line); }
.portfolio-page .pf-spec div { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--pf-line); font-size: 15px; }
.portfolio-page .pf-spec dt { color: var(--pf-ink3); font-weight: 600; }
.portfolio-page .pf-spec dd { margin: 0; font-weight: 600; }
.portfolio-page .pf-box-act { display: flex; flex-direction: column; gap: 8px; margin-top: 6px; }
.portfolio-page .pf-box-act .pf-btn { width: 100%; }

.portfolio-page .pf-tabs { position: sticky; top: var(--pf-top); z-index: 20; background: var(--pf-bg); border-bottom: 1px solid var(--pf-line); transition: top .25s; }
.portfolio-page .pf-tabs-in { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.portfolio-page .pf-tabs a { flex: 0 0 auto; height: 56px; padding: 0 18px; display: inline-flex; align-items: center; gap: 6px; font-size: 16px; font-weight: 700; color: var(--pf-ink3); border-bottom: 3px solid transparent; margin-bottom: -1px; }
.portfolio-page .pf-tabs a[aria-current="true"] { color: var(--pf-ink); border-bottom-color: var(--pf-ink); }

.portfolio-page .pf-sec { max-width: 880px; margin: 0 auto; padding: 72px 24px 0; scroll-margin-top: calc(var(--pf-top) + 64px); }
.portfolio-page .pf-label { font-size: 13px; font-weight: 800; letter-spacing: .14em; color: var(--pf-accent); }
.portfolio-page .pf-sec h2 { margin: 10px 0 0; font-size: clamp(24px, 3.2vw, 32px); font-weight: 800; line-height: 1.35; letter-spacing: -.02em; color: var(--pf-ink); }
.portfolio-page .pf-prose { margin: 20px 0 0; font-size: 18px; line-height: 1.8; color: var(--pf-ink2); }
.portfolio-page .pf-bg { margin-top: 28px; padding: 24px 28px; border-radius: 14px; background: var(--pf-soft); }
.portfolio-page .pf-bg h3 { margin: 0; font-size: 16px; font-weight: 800; color: var(--pf-ink); }
.portfolio-page .pf-bg p { margin: 8px 0 0; font-size: 16px; line-height: 1.75; color: var(--pf-ink2); }

.portfolio-page .pf-feats { margin-top: 28px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.portfolio-page .pf-feat { display: flex; gap: 14px; align-items: flex-start; padding: 22px; border: 1px solid var(--pf-line); border-radius: 14px; min-width: 0; }
.portfolio-page .pf-ic { flex: 0 0 32px; height: 32px; border-radius: 10px; background: var(--pf-accent-soft); color: var(--pf-accent-ink); display: flex; align-items: center; justify-content: center; }
.portfolio-page .pf-feat b { display: block; font-size: 17px; font-weight: 800; line-height: 1.45; }
.portfolio-page .pf-feat span { display: block; margin-top: 4px; font-size: 15px; line-height: 1.6; color: var(--pf-ink2); }

.portfolio-page .pf-wide { margin-top: 28px; display: flex; flex-direction: column; gap: 20px; }
.portfolio-page .pf-wide figure, .portfolio-page .pf-phones figure { margin: 0; }
.portfolio-page .pf-wide .pf-zoom, .portfolio-page .pf-phones .pf-zoom { height: auto; }
.portfolio-page .pf-wide img { width: 100%; border-radius: 14px; display: block; background: var(--pf-soft); }
.portfolio-page .pf-wide figcaption { margin-top: 8px; font-size: 14px; color: var(--pf-ink3); text-align: center; }
.portfolio-page .pf-phones { margin-top: 20px; padding: 32px; border-radius: 18px; background: var(--pf-soft); display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 20px; }
.portfolio-page .pf-phones img { width: 100%; border-radius: 14px; display: block; box-shadow: 0 10px 24px -12px rgba(13, 17, 32, .35); }
.portfolio-page .pf-wide .pf-zoom:hover img, .portfolio-page .pf-phones .pf-zoom:hover img { filter: brightness(.96); }

.portfolio-page .pf-more-sec { max-width: 1200px; margin: 0 auto; padding: 88px 24px 72px; scroll-margin-top: calc(var(--pf-top) + 64px); }
.portfolio-page .pf-more-sec h2 { margin: 0 0 24px; font-size: 24px; font-weight: 800; color: var(--pf-ink); }

/* ── 크게 보기 ── */
.portfolio-page .pf-lb { position: fixed; inset: 0; z-index: 9999; background: rgba(8, 10, 16, .94); display: flex; flex-direction: column; animation: pf-fade .2s ease-out; }
@keyframes pf-fade { from { opacity: 0; } to { opacity: 1; } }
.portfolio-page .pf-lb-bar { height: 60px; flex: 0 0 60px; display: flex; align-items: center; justify-content: space-between; padding: 0 16px 0 24px; color: #fff; }
.portfolio-page .pf-lb-title { display: flex; align-items: baseline; gap: 12px; min-width: 0; font-size: 15px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.portfolio-page .pf-lb-count { font-size: 14px; font-weight: 600; color: #b8bfce; font-variant-numeric: tabular-nums; }
.portfolio-page .pf-lb-close { width: 44px; height: 44px; flex: 0 0 44px; border-radius: 50%; border: none; background: rgba(255, 255, 255, .12); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.portfolio-page .pf-lb-main { flex: 1; min-height: 0; position: relative; display: flex; align-items: center; justify-content: center; padding: 0 72px 24px; }
.portfolio-page .pf-lb-main img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; border-radius: 8px; user-select: none; }
.portfolio-page .pf-lb .pf-arrow { background: rgba(255, 255, 255, .14); color: #fff; box-shadow: none; width: 52px; height: 52px; margin-top: -26px; }
.portfolio-page .pf-lb .pf-arrow:hover { background: rgba(255, 255, 255, .24); }

/* ── 좁은 화면 ── */
@media (max-width: 900px) {
  .portfolio-page .pf-top { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .portfolio-page .pf-box { position: static; }
  .portfolio-page .pf-grid.pf-three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .portfolio-page .pf-hero { padding: 56px 16px 28px; }
  .portfolio-page .pf-hero h1 { font-size: 30px; }
  .portfolio-page .pf-hero p { font-size: 16px; }
  .portfolio-page .pf-grid, .portfolio-page .pf-grid.pf-three { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .portfolio-page .pf-wrap, .portfolio-page .pf-band, .portfolio-page .pf-top, .portfolio-page .pf-crumb, .portfolio-page .pf-more-sec, .portfolio-page .pf-sec { padding-left: 16px; padding-right: 16px; }
  .portfolio-page .pf-tabs-in { padding: 0 16px; }
  .portfolio-page .pf-filters { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; padding: 4px 16px 24px; scrollbar-width: none; }
  .portfolio-page .pf-chip { flex: 0 0 auto; }
  .portfolio-page .pf-band-in { padding: 32px 24px; }
  .portfolio-page .pf-feats { grid-template-columns: minmax(0, 1fr); }
  .portfolio-page .pf-sec { padding-top: 56px; }
  .portfolio-page .pf-prose { font-size: 17px; }
  .portfolio-page .pf-phones { padding: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .portfolio-page .pf-box { padding: 20px; }
  .portfolio-page .pf-lb-main { padding: 0 8px 16px; }
  .portfolio-page .pf-lb .pf-arrow { top: auto; bottom: 24px; margin-top: 0; width: 44px; height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  .portfolio-page *, .portfolio-page .pf-lb { transition: none !important; animation: none !important; }
}