/* ============================================================
   PROJEKTE-UEBERSICHT — Shared stylesheet for project listing pages
   (Kooperationsprojekte & Abgeschlossene Foerderprojekte)
   BEM-Prefix: pu-
   ============================================================ */

/* Local design tokens (mirror style-v3.css scope, fall back gracefully) */
:root {
  --pu-primary: #005550;
  --pu-secondary: #66C0BE;
  --pu-bg-creme: #F0F0E1;
  --pu-text-dark: #1a1a1a;
  --pu-text-mid: #4a4a4a;
  --pu-text-muted: #7a7a6a;
  --pu-border: rgba(0, 85, 80, 0.08);
  --pu-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================
   HERO
   ============================================================ */
.pu-hero {
  position: relative;
  width: 100%;
  min-height: 55vh;
  padding-top: 80px;
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  background-color: var(--pu-primary);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.pu-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 36, 32, 0.65);
  z-index: 1;
  pointer-events: none;
}

.pu-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 40px 30px;
  color: #ffffff;
}

.pu-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: "DM Sans", sans-serif;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 28px;
  text-transform: none;
}

.pu-breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 0.3s var(--pu-ease);
}

.pu-breadcrumb a:hover,
.pu-breadcrumb a:focus-visible {
  color: var(--pu-secondary);
  outline: none;
}

.pu-breadcrumb-sep {
  color: rgba(255, 255, 255, 0.4);
}

.pu-breadcrumb-current {
  color: #ffffff;
  font-weight: 500;
}

.pu-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: "DM Sans", sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--pu-secondary);
  margin-bottom: 24px;
}

.pu-eyebrow::before {
  content: "";
  display: inline-block;
  width: 44px;
  height: 1px;
  background: var(--pu-secondary);
}

.pu-hero-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  font-size: clamp(2.4rem, 5.6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: #ffffff;
  margin: 0 0 22px;
}

.pu-hero-title em {
  font-style: italic;
  font-weight: 500;
  color: var(--pu-secondary);
}

.pu-hero-sub {
  font-family: "DM Sans", sans-serif;
  font-size: 1.1rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
  margin: 0;
}

/* ============================================================
   META / FILTER BAR
   ============================================================ */
.pu-meta-bar {
  position: sticky;
  top: 72px;
  z-index: 50;
  background: #ffffff;
  border-bottom: 1px solid #e8e8d8;
  box-shadow: 0 4px 18px rgba(0, 85, 80, 0.04);
}

.pu-meta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  max-width: 1300px;
  margin: 0 auto;
  padding: 16px 32px;
}

.pu-count-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "DM Sans", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pu-primary);
  background: var(--pu-bg-creme);
  padding: 8px 16px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.pu-count-pill-num {
  font-weight: 700;
  color: var(--pu-primary);
}

.pu-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.pu-filter-btn {
  font-family: "DM Sans", sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pu-text-mid);
  background: transparent;
  border: 1px solid #e0e0d0;
  padding: 9px 18px;
  cursor: pointer;
  transition: all 0.3s var(--pu-ease);
}

.pu-filter-btn:hover,
.pu-filter-btn:focus-visible {
  color: var(--pu-primary);
  border-color: var(--pu-primary);
  outline: none;
}

.pu-filter-btn.active {
  background: var(--pu-primary);
  color: #ffffff;
  border-color: var(--pu-primary);
}

/* ============================================================
   GRID SECTION
   ============================================================ */
.pu-grid-section {
  background: var(--pu-bg-creme);
  padding: 100px 0;
}

.pu-grid-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 32px;
}

.pu-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.pu-grid-empty {
  display: none;
  text-align: center;
  padding: 80px 20px;
  font-family: "DM Sans", sans-serif;
  color: var(--pu-text-muted);
  font-size: 1rem;
}

.pu-grid-empty.is-visible {
  display: block;
}

/* ============================================================
   PROJECT CARD
   ============================================================ */
.pu-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid var(--pu-border);
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  transition:
    transform 0.5s var(--pu-ease),
    box-shadow 0.5s var(--pu-ease),
    opacity 0.6s var(--pu-ease),
    border-color 0.3s var(--pu-ease);
  will-change: transform, opacity;
}

.pu-card.pu-card--visible {
  opacity: 1;
  transform: translateY(0);
  animation: puReveal 0.7s var(--pu-ease) both;
}

@keyframes puReveal {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Stagger via nth-child */
.pu-card:nth-child(1).pu-card--visible { animation-delay: 0.00s; }
.pu-card:nth-child(2).pu-card--visible { animation-delay: 0.06s; }
.pu-card:nth-child(3).pu-card--visible { animation-delay: 0.12s; }
.pu-card:nth-child(4).pu-card--visible { animation-delay: 0.18s; }
.pu-card:nth-child(5).pu-card--visible { animation-delay: 0.24s; }
.pu-card:nth-child(6).pu-card--visible { animation-delay: 0.30s; }
.pu-card:nth-child(7).pu-card--visible { animation-delay: 0.36s; }
.pu-card:nth-child(8).pu-card--visible { animation-delay: 0.42s; }
.pu-card:nth-child(9).pu-card--visible { animation-delay: 0.48s; }

.pu-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 85, 80, 0.15);
  border-color: rgba(0, 85, 80, 0.18);
}

/* Image area */
.pu-card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #d8d8c8;
}

.pu-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--pu-ease);
}

.pu-card:hover .pu-card-img-wrap img {
  transform: scale(1.06);
}

/* Status pill (top-left) */
.pu-card-status {
  position: absolute;
  top: 0px;
  /*left: 14px;*/
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "DM Sans", sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--pu-primary);
  backdrop-filter: blur(6px);
}

.pu-card-status.is-done::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: red;
  box-shadow: 0 0 0 3px rgba(47, 179, 68, 0.18);
}

.pu-card-status.is-open::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2fb344;
  box-shadow: 0 0 0 3px rgba(47, 179, 68, 0.18);
}

/*.pu-card-status.is-done {
  background: var(--pu-secondary);
  color: var(--pu-primary);
}

.pu-card-status.is-done::before {
  background: var(--pu-primary);
  box-shadow: 0 0 0 3px rgba(0, 85, 80, 0.18);
}*/

/* Category badge (top-right) */
.pu-card-cat {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: inline-block;
  font-family: "DM Sans", sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 12px;
  background: var(--pu-primary);
  color: #ffffff;
}

/* Country tag (bottom-left) */
.pu-card-country {
  position: absolute;
  bottom: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: "DM Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.6);
  text-transform: capitalize;
}

.pu-card-country i {
  font-size: 0.85rem;
  color: var(--pu-secondary);
}

/* Card body */
.pu-card-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: 24px;
  gap: 12px;
}

.pu-card-partner {
  font-family: "DM Sans", sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pu-secondary);
  margin: 0;
}

.pu-card-title {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--pu-text-dark);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pu-card-outcome {
  display: inline-block;
  width: 100%;
  background: var(--pu-secondary);
  color: var(--pu-primary);
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.35;
  padding: 12px 14px;
  margin: 2px 0 4px;
  letter-spacing: 0.01em;
}

.pu-card-excerpt {
  font-family: "DM Sans", sans-serif;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--pu-text-mid);
  margin: 0;
  display: -webkit-box;
  /*-webkit-line-clamp: 3;*/
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pu-card-stats {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-top: auto;
  padding-top: 10px;
}

.pu-card-stat {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 10px;
  border-left: 1px solid var(--pu-border);
  min-width: 0;
}

.pu-card-stat:first-child {
  padding-left: 0;
  border-left: 0;
}

.pu-card-stat-num {
  font-family: "DM Sans", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--pu-text-dark);
  line-height: 1.2;
  letter-spacing: -0.005em;
}

.pu-card-stat-label {
  font-family: "DM Sans", sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pu-text-muted);
  line-height: 1.3;
}

/* Card footer */
.pu-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--pu-border);
}

.pu-card-period {
  font-family: "DM Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--pu-text-muted);
  letter-spacing: 0.01em;
}

.pu-card-period i {
  margin-right: 6px;
  color: var(--pu-secondary);
}

.pu-card-link {
  font-family: "DM Sans", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--pu-primary);
  text-decoration: none;
  white-space: nowrap;
  transition:
    color 0.3s var(--pu-ease),
    letter-spacing 0.3s var(--pu-ease);
}

.pu-card-link:hover,
.pu-card-link:focus-visible {
  color: var(--pu-secondary);
  letter-spacing: 0.1em;
  outline: none;
}

.pu-card-link::after {
  content: " \2192";
  display: inline-block;
  transition: transform 0.3s var(--pu-ease);
}

.pu-card-link:hover::after {
  transform: translateX(2px);
}

/* Hide filtered cards */
.pu-card.is-hidden {
  display: none !important;
}

/* ============================================================
   CTA BAND
   ============================================================ */
.pu-cta-band {
  position: relative;
  background: var(--pu-primary);
  padding: 110px 0;
  overflow: hidden;
  isolation: isolate;
}

.pu-cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 60% 50%,
    rgba(102, 192, 190, 0.25) 0%,
    transparent 65%
  );
  z-index: -1;
  pointer-events: none;
}

.pu-cta-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 32px;
  text-align: center;
  color: #ffffff;
}

.pu-cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: "DM Sans", sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--pu-secondary);
  margin-bottom: 22px;
}

.pu-cta-eyebrow::before {
  content: "";
  display: inline-block;
  width: 44px;
  height: 1px;
  background: var(--pu-secondary);
}

.pu-cta-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  line-height: 1.1;
  color: #ffffff;
  margin: 0 0 22px;
}

.pu-cta-title em {
  font-style: italic;
  color: var(--pu-secondary);
  font-weight: 500;
}

.pu-cta-sub {
  font-family: "DM Sans", sans-serif;
  font-size: 1.05rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.8);
  max-width: 620px;
  margin: 0 auto 38px;
}

.pu-cta-btns {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.pu-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "DM Sans", sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 17px 32px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.35s var(--pu-ease);
}

.pu-cta-btn--primary {
  background: #ffffff;
  color: var(--pu-primary);
}

.pu-cta-btn--primary:hover,
.pu-cta-btn--primary:focus-visible {
  background: var(--pu-secondary);
  color: var(--pu-primary);
  transform: translateY(-2px);
  outline: none;
}

.pu-cta-btn--outline {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.5);
}

.pu-cta-btn--outline:hover,
.pu-cta-btn--outline:focus-visible {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  outline: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1199px) {
  .pu-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (max-width: 991px) {
  .pu-hero {
    min-height: 48vh;
    padding-top: 90px;
  }

  .pu-hero-inner {
    padding: 30px 28px 20px;
  }

  .pu-meta-bar {
    top: 64px;
  }

  .pu-meta-inner {
    padding: 14px 24px;
  }

  .pu-grid-section {
    padding: 80px 0;
  }

  .pu-grid-container {
    padding: 0 24px;
  }

  .pu-cta-band {
    padding: 90px 0;
  }
}

@media (max-width: 767px) {
  .pu-hero {
    min-height: auto;
    padding: 110px 0 60px;
  }

  .pu-hero-inner {
    padding: 0 20px;
  }

  .pu-hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .pu-hero-sub {
    font-size: 1rem;
  }

  .pu-breadcrumb {
    margin-bottom: 22px;
    font-size: 0.74rem;
  }

  .pu-meta-bar {
    top: 60px;
    position: sticky;
  }

  .pu-meta-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 14px 20px;
  }

  .pu-filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
  }

  .pu-filters::-webkit-scrollbar {
    display: none;
  }

  .pu-filter-btn {
    flex-shrink: 0;
    padding: 8px 14px;
    font-size: 0.72rem;
  }

  .pu-count-pill {
    align-self: flex-start;
  }

  .pu-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .pu-grid-section {
    padding: 60px 0;
  }

  .pu-grid-container {
    padding: 0 18px;
  }

  .pu-card-body {
    padding: 20px;
  }

  .pu-card-footer {
    padding: 14px 20px;
  }

  .pu-card-title {
    font-size: 1.25rem;
  }

  .pu-cta-band {
    padding: 70px 0;
  }

  .pu-cta-inner {
    padding: 0 20px;
  }

  .pu-cta-btns {
    flex-direction: column;
    width: 100%;
  }

  .pu-cta-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 374px) {
  .pu-card-stats {
    flex-wrap: wrap;
  }

  .pu-card-stat {
    padding: 0 6px;
  }

  .pu-card-stat-num {
    font-size: 0.88rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .pu-card,
  .pu-card-img-wrap img,
  .pu-card-link,
  .pu-card-link::after,
  .pu-filter-btn,
  .pu-cta-btn {
    transition: none !important;
    animation: none !important;
  }

  .pu-card {
    opacity: 1;
    transform: none;
  }

  .pu-card:hover {
    transform: none;
  }

  .pu-card:hover .pu-card-img-wrap img {
    transform: none;
  }
}