/* ============================================================
   COMPONENTS.CSS — Nav, galerie, lightbox, carousel, accordion
   Beskydské svatby · Chata Dukla · Čeladná
   ============================================================ */

/* ============================================================
   NAVIGACE
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(250, 247, 242, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 20px rgba(44, 36, 22, 0.08);
}

.nav__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  line-height: 1.2;
  flex-shrink: 0;
  text-decoration: none;
}

.nav__logo-icon {
  display: flex;
  flex-shrink: 0;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.25));
  transition: transform var(--transition);
}

.nav__logo:hover .nav__logo-icon {
  transform: scale(1.08);
}

.nav__logo-icon svg {
  display: block;
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
}

.nav__logo-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  transition: color var(--transition);
  line-height: 1.2;
}

.nav__logo-sub {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
  line-height: 1.3;
}

.nav.scrolled .nav__logo-name {
  color: var(--color-dark);
}

.nav.scrolled .nav__logo-sub {
  color: var(--color-muted);
}

/* Změní barvu SVG ikony při scrollu — kruh tmavne */
.nav.scrolled .nav__logo-icon svg circle {
  fill: var(--color-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.02em;
  transition: var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-white);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__link:hover {
  color: var(--color-white);
}

.nav.scrolled .nav__link {
  color: var(--color-dark);
}

.nav.scrolled .nav__link::after {
  background: var(--color-primary);
}

.nav.scrolled .nav__link:hover {
  color: var(--color-primary);
}

.nav__cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav__cta:hover {
  background: var(--color-dark);
  transform: translateY(-1px);
}

.nav__cta::after {
  display: none !important;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-white);
  transition: color var(--transition);
}

.nav.scrolled .nav__hamburger {
  color: var(--color-dark);
}

.nav__hamburger svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.5;
}

/* Mobile overlay menu */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--color-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.nav-overlay__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: rgba(255, 255, 255, 0.7);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-overlay__close svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.5;
}

.nav-overlay__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.nav-overlay__link {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.3s ease;
  text-align: center;
}

.nav-overlay__link:hover {
  color: var(--color-white);
}

.nav-overlay__cta {
  margin-top: 1rem;
}

@media (max-width: 1024px) {
  .nav__links {
    gap: 1.25rem;
  }
}

@media (max-width: 768px) {
  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }
}

/* ============================================================
   GALERIE
   ============================================================ */

.gallery-filters {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.gallery-filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1.5px solid var(--color-light);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  transition: var(--transition);
  min-height: 40px;
}

.gallery-filter-btn.active,
.gallery-filter-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.gallery-masonry {
  columns: 3;
  column-gap: 1rem;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.03);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(44, 36, 22, 0);
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-item__overlay svg {
  color: var(--color-white);
  width: 32px;
  height: 32px;
  stroke-width: 1.5;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--transition), transform var(--transition);
}

.gallery-item:hover .gallery-item__overlay {
  background: rgba(44, 36, 22, 0.35);
}

.gallery-item:hover .gallery-item__overlay svg {
  opacity: 1;
  transform: scale(1);
}

.gallery-item.hidden {
  display: none;
}

@media (max-width: 768px) {
  .gallery-masonry {
    columns: 2;
  }
}

@media (max-width: 480px) {
  .gallery-masonry {
    columns: 1;
  }
}

/* ============================================================
   LIGHTBOX
   ============================================================ */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox__img-wrap {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__img-wrap img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10001;
  color: rgba(255, 255, 255, 0.8);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 50%;
  transition: var(--transition);
}

.lightbox__close:hover {
  background: rgba(0, 0, 0, 0.7);
  color: var(--color-white);
}

.lightbox__close svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.5;
}

.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10001;
  color: rgba(255, 255, 255, 0.8);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  transition: var(--transition);
}

.lightbox__prev {
  left: 1rem;
}

.lightbox__next {
  right: 1rem;
}

.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(0, 0, 0, 0.6);
  color: var(--color-white);
}

.lightbox__prev svg,
.lightbox__next svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.5;
}

.lightbox__counter {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8125rem;
}

/* ============================================================
   CAROUSEL — Reference
   ============================================================ */

.carousel {
  position: relative;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.carousel__slide {
  flex: 0 0 100%;
  padding: 0 2rem;
}

.testimonial-card {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 2rem;
}

.testimonial-quote-mark {
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 0.5;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1.5rem;
  opacity: 0.5;
}

.testimonial-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  line-height: 1.7;
  color: var(--color-dark);
  margin-bottom: 2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial-author-img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-light);
}

.testimonial-author-info {
  text-align: left;
}

.testimonial-author-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-dark);
  display: block;
}

.testimonial-author-year {
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.carousel__dots {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 2.5rem;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-light);
  border: 1.5px solid var(--color-muted);
  transition: var(--transition);
  cursor: pointer;
}

.carousel__dot.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.3);
}

/* ============================================================
   ACCORDION — FAQ
   ============================================================ */

.accordion {
  max-width: 750px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-light);
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--color-light);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 2rem;
  text-align: left;
  background: var(--color-white);
  transition: background var(--transition);
  cursor: pointer;
  min-height: 64px;
}

.accordion-trigger:hover {
  background: var(--color-light);
}

.accordion-trigger.active {
  background: var(--color-light);
}

.accordion-trigger h3 {
  font-size: 1rem;
  font-weight: 500;
  font-family: var(--font-body);
  color: var(--color-dark);
  line-height: 1.4;
}

.accordion-icon {
  width: 20px;
  height: 20px;
  stroke-width: 1.5;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.35s ease;
}

.accordion-trigger.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  background: var(--color-white);
}

.accordion-content.open {
  max-height: 400px;
}

.accordion-content__inner {
  padding:  1.5rem 2rem;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ============================================================
   RESPONSIVE COMPONENTS
   ============================================================ */

@media (max-width: 768px) {
  .carousel__slide {
    padding: 0 0.5rem;
  }

  .testimonial-card {
    padding: 2rem 0.5rem;
  }

  .accordion-trigger {
    padding: 1.25rem 1.25rem;
  }

  .accordion-content__inner {
    padding: 0 1.25rem 1.25rem;
  }

  .lightbox__prev {
    left: 0.25rem;
  }

  .lightbox__next {
    right: 0.25rem;
  }
}