/* ============================================================
   AstroEnergy — Realizacje Page Styles
   ============================================================ */

/* --- Page light mode overrides --- */
.page--light {
  background: var(--white);
}

.page--light .header {
  position: fixed;
  padding: 75px 0;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease, border-color 0.4s ease;
}

.page--light .header.header--scrolled {
  padding: 12px 0;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
  border-bottom-color: rgba(0,0,0,0.06);
}

/* Dark nav/logo on light pages (override white hero styles from styles.css) */
.page--light .header .nav__link {
  color: var(--gray-800) !important;
}
.page--light .header .nav__link:hover {
  color: var(--accent) !important;
  background: var(--accent-bg) !important;
}
.page--light .header .hamburger span {
  background: var(--gray-800) !important;
}
.page--light .header .logo__img {
  filter: none !important;
}
.page--light .header .header__social {
  color: var(--gray-400) !important;
}
.page--light .header .header__social:hover {
  color: var(--accent) !important;
  background: var(--accent-bg) !important;
}
.page--light .header .header__phone {
  color: var(--gray-700) !important;
}
.page--light .header .header__phone:hover {
  color: var(--accent) !important;
}

/* --- Page Hero BG Realizacje --- */
.page-hero--bg-realizacje {
  position: relative;
  overflow: hidden;
}

.page-hero--bg-realizacje::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('images/realizacje-web.jpg') center/cover no-repeat;
  opacity: 0.22;
  z-index: 0;
}

.page-hero--bg-realizacje::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to bottom, transparent, #fff);
  z-index: 0;
}

.page-hero--bg-realizacje .container {
  position: relative;
  z-index: 1;
}

/* --- Page Hero --- */
.page-hero {
  padding-top: 220px;
  padding-bottom: 60px;
  text-align: center;
  background: var(--white);
}

.page-hero__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 400;
  color: #111;
  margin-bottom: 1rem;
}

.page-hero__desc {
  font-size: 1.0625rem;
  color: #444;
  max-width: 600px;
  margin: 0 auto 3.5rem;
  line-height: 1.7;
}

/* --- Filters --- */
.filters-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.filters-group:last-child {
  margin-bottom: 0;
}

.filters-group__label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-400);
}

.realizations-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.realizations-section {
  padding-top: 2rem;
}

.filter-btn {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--gray-100);
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}

.filter-btn:hover {
  color: var(--accent);
  background: var(--accent-bg);
}

.filter-btn.active {
  color: var(--white);
  background: var(--gradient);
  border-color: var(--accent);
}

/* --- Realizations Grid --- */
.realizations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* --- Realization Card --- */
.real-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  cursor: pointer;
}

.real-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(104, 41, 106, 0.12);
  border-color: rgba(138, 61, 140, 0.3);
}

.real-card__thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--gray-100);
}

.real-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.real-card:hover .real-card__thumb img {
  transform: scale(1.05);
}

.real-card__thumb--placeholder {
  background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
  display: flex;
  align-items: center;
  justify-content: center;
}

.real-card__thumb--placeholder::after {
  content: '';
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gray-200);
}

.real-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
  background: var(--gradient);
}

.real-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.real-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.real-card__desc {
  font-size: 0.9375rem;
  color: var(--gray-500);
  margin-bottom: 0.75rem;
}

.real-card__specs {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: 0.8125rem;
  color: var(--gray-600);
}

.real-card__specs strong {
  color: var(--gray-800);
}

.real-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition);
}

.real-card__btn:hover {
  gap: 0.625rem;
  color: var(--accent-dark);
}

/* --- Empty card --- */
.real-card--empty {
  opacity: 0.4;
  pointer-events: none;
}

/* --- Filter hide/show animation --- */
.real-card[data-hidden="true"] {
  display: none;
}

/* ============================================================
   GALLERY LIGHTBOX
   ============================================================ */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.gallery-lightbox.active {
  opacity: 1;
  visibility: visible;
}

.gallery-lightbox__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.gallery-lightbox__content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 90vw;
  max-height: 90vh;
}

.gallery-lightbox__close {
  position: absolute;
  top: -50px;
  right: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
  z-index: 2;
}

.gallery-lightbox__close:hover {
  background: rgba(255,255,255,0.2);
  transform: rotate(90deg);
}

.gallery-lightbox__img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 75vw;
  max-height: 80vh;
}

.gallery-lightbox__img-wrap::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 263px;
  height: 100px;
  background: url('images/white-astroenergy.svg') center / contain no-repeat;
  opacity: 0.35;
  pointer-events: none;
  z-index: 2;
}

.gallery-lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius);
  object-fit: contain;
  transition: opacity 0.3s;
}

/* --- Arrows --- */
.gallery-lightbox__arrow {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}

.gallery-lightbox__arrow:hover {
  background: rgba(138, 61, 140, 0.4);
  border-color: rgba(168, 84, 170, 0.5);
  box-shadow: 0 0 20px rgba(138, 61, 140, 0.3);
}

/* Arrow bounce animation */
.gallery-lightbox__arrow--left {
  animation: bounceLeft 2s ease-in-out infinite;
}

.gallery-lightbox__arrow--right {
  animation: bounceRight 2s ease-in-out infinite;
}

@keyframes bounceLeft {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-6px); }
}

@keyframes bounceRight {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}

.gallery-lightbox__counter {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
  font-weight: 500;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .page-hero {
    padding-top: 130px;
    padding-bottom: 40px;
  }

  .realizations-grid {
    grid-template-columns: 1fr;
  }

  .gallery-lightbox__content {
    max-width: 96vw;
  }

  .gallery-lightbox__img-wrap {
    max-width: 85vw;
  }

  .gallery-lightbox__arrow {
    width: 44px;
    height: 44px;
  }

  .gallery-lightbox__close {
    top: -44px;
    right: 4px;
  }

  .realizations-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
  }
}

@media (max-width: 480px) {
  .gallery-lightbox__arrow {
    width: 36px;
    height: 36px;
  }

  .gallery-lightbox__arrow svg {
    width: 20px;
    height: 20px;
  }
}