/* ============================================================
   style-referenzen.css — Referenzen listing (page-referenzen.php) and single
   project pages (single-referenz.php). Loaded conditionally via functions.php.
   Uses the shared design tokens from assets/css/style.css.
   ============================================================ */

/* ---------- Filter bar ---------- */
.ref-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 38px; }
.ref-filter {
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  color: var(--paper-dim);
  background: transparent; border: 1px solid var(--ink-line); border-radius: 100px;
  padding: 9px 18px; cursor: pointer;
  transition: color 0.3s ease, background 0.3s ease, border-color 0.3s ease, transform 0.3s var(--ease);
}
.ref-filter:hover { color: var(--paper); border-color: rgba(195, 245, 60, 0.4); transform: translateY(-2px); }
.ref-filter.active { background: var(--lime); color: var(--ink); border-color: var(--lime); }

/* ---------- Project grid ---------- */
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.project-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--ink-line); border-radius: 22px;
  background: var(--ink-soft); overflow: hidden;
  transition: transform 0.5s var(--ease), border-color 0.4s ease;
}
.project-card:hover { transform: translateY(-6px); border-color: rgba(195, 245, 60, 0.35); }

.project-card__media { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; }
.project-card__noimg { display: block; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(195, 245, 60, 0.18), rgba(185, 167, 255, 0.12)); }
.project-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.project-card:hover .project-card__media img { transform: scale(1.06); }

.project-card__cat {
  position: absolute; left: 14px; top: 14px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink); background: var(--lime);
  padding: 5px 12px; border-radius: 100px;
}
.project-card__year {
  position: absolute; right: 14px; top: 14px;
  font-size: 0.75rem; font-weight: 600; color: var(--paper);
  background: rgba(11, 11, 12, 0.6); backdrop-filter: blur(6px);
  padding: 5px 11px; border-radius: 100px; border: 1px solid var(--ink-line);
}

.project-card__body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.project-card__body h3 { font-size: 1.35rem; }
.project-card__body h3 a { transition: color 0.3s ease; }
.project-card__body h3 a:hover { color: var(--lime); }
.project-card__desc { color: var(--paper-dim); margin-top: 10px; font-size: 0.96rem; }

.project-card__tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; }
.project-card__tags li { font-size: 0.76rem; padding: 5px 11px; border: 1px solid var(--ink-line); border-radius: 100px; color: var(--paper-dim); }

.project-card__result {
  display: flex; align-items: center; gap: 9px; margin-top: 20px;
  color: var(--lime); font-weight: 600; font-size: 0.98rem;
}
.project-card__result svg { width: 18px; height: 18px; flex-shrink: 0; }

.project-card__more {
  margin-top: auto; padding-top: 22px; align-self: flex-start;
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--lime); font-weight: 600; font-size: 0.95rem;
}
.project-card__more svg { width: 18px; height: 18px; transition: transform 0.4s var(--ease); }
.project-card:hover .project-card__more svg { transform: translateX(4px); }

/* Empty states: no projects at all / filter has no matches (shown by JS) */
.ref-none,
.ref-empty { text-align: center; color: var(--paper-dim); margin-top: 32px; }

/* ============================================================
   Single project (single-referenz.php)
   ============================================================ */
.ref-single__media {
  border-radius: 22px; overflow: hidden; border: 1px solid var(--ink-line);
  aspect-ratio: 16 / 9; margin-bottom: 56px;
}
.ref-single__media img { width: 100%; height: 100%; object-fit: cover; }

.ref-single__grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 56px; align-items: start; }

/* Project content (editor output) */
.ref-content > *:first-child { margin-top: 0; }
.ref-content h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin: 40px 0 14px; }
.ref-content h3 { font-size: 1.25rem; margin: 30px 0 10px; }
.ref-content h4 { font-size: 1.05rem; margin: 22px 0 8px; }
.ref-content p { color: var(--paper-dim); margin-bottom: 16px; }
.ref-content a { color: var(--lime); }
.ref-content a:hover { text-decoration: underline; }
.ref-content strong { color: var(--paper); font-weight: 600; }
.ref-content ul { list-style: none; display: grid; gap: 12px; margin: 0 0 22px; }
.ref-content ul li { position: relative; padding-left: 32px; color: var(--paper-dim); }
.ref-content ul li::before {
  content: ""; position: absolute; left: 0; top: 0.2em;
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(195, 245, 60, 0.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C3F53C' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 11px no-repeat;
}
.ref-content ol { color: var(--paper-dim); margin: 0 0 22px 1.2em; display: grid; gap: 10px; }
.ref-content img { border-radius: 16px; height: auto; margin: 10px 0 20px; }
.ref-content blockquote { border-left: 3px solid var(--lime); padding-left: 18px; margin: 0 0 20px; color: var(--paper); }

/* Facts card */
.ref-aside {
  position: sticky; top: 110px;
  border: 1px solid var(--ink-line); border-radius: 22px; background: var(--ink-soft);
  padding: 28px;
}
.ref-facts { display: grid; gap: 0; }
.ref-facts > div { display: grid; grid-template-columns: 96px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--ink-line); }
.ref-facts > div:first-child { padding-top: 0; }
.ref-facts dt { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--paper-dim); padding-top: 3px; }
.ref-facts dd { color: var(--paper); font-size: 0.95rem; }
.ref-aside__btn { width: 100%; justify-content: center; margin-top: 24px; }
.ref-share { margin-top: 24px; }
.ref-share > span { display: block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--paper-dim); margin-bottom: 10px; }
.ref-share > div { display: flex; flex-wrap: wrap; gap: 8px; }
.ref-share a {
  font-size: 0.82rem; font-weight: 600; color: var(--paper);
  padding: 7px 13px; border: 1px solid var(--ink-line); border-radius: 100px;
  transition: border-color 0.3s ease, color 0.3s ease;
}
.ref-share a:hover { border-color: var(--lime); color: var(--lime); }

/* Previous / all / next */
.ref-nav {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px;
  margin-top: 64px; padding-top: 26px; border-top: 1px solid var(--ink-line);
}
.ref-nav > div:last-child { text-align: right; }
.ref-nav a { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; color: var(--paper); transition: color 0.3s ease; }
.ref-nav a:hover { color: var(--lime); }
.ref-nav svg { width: 18px; height: 18px; }
.ref-nav__all svg { color: var(--lime); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .ref-single__grid { grid-template-columns: 1fr; gap: 36px; }
  .ref-aside { position: static; }
}
@media (max-width: 680px) {
  .project-grid { grid-template-columns: 1fr; }
  .ref-filters { gap: 8px; margin-bottom: 30px; }
  .ref-single__media { margin-bottom: 36px; aspect-ratio: 4 / 3; }
  .ref-nav { grid-template-columns: 1fr 1fr; }
  .ref-nav__all { grid-column: 1 / -1; grid-row: 2; justify-self: center; }
}