/*
 * references.css — Testimonials carousel + Lightbox overlay
 * Paleta: #1a1a1a · #e0292e · #888888
 */

/* ============================================================
   TESTIMONIALS CAROUSEL
   ============================================================ */

.testimonials {
  margin-top: var(--space-20);
  border-top: 1px solid var(--color-gray-200);
  padding-top: var(--space-16);
}

.testimonials__carousel {
  position: relative;
  max-width: 760px;
  margin: var(--space-10) auto 0;
}

/* Track: jen aktivní slide je vidět */
.testimonials__track {
  position: relative;
  min-height: 220px; /* zabrání skákání výšky */
}

.testimonials__slide {
  display: none;
  flex-direction: column;
  gap: var(--space-5);
  animation: testimonialFadeIn 0.4s ease both;
}

.testimonials__slide--active {
  display: flex;
}

@keyframes testimonialFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .testimonials__slide { animation: none; }
}

/* Hvězdičky */
.testimonials__stars {
  display: flex;
  gap: var(--space-1);
  color: var(--color-accent);
}

/* Citace */
.testimonials__quote {
  margin: 0;
  font-size: var(--text-lg);
  line-height: 1.65;
  color: var(--color-gray-700);
  font-style: italic;
}

.testimonials__quote p {
  margin: 0;
}

/* Autor */
.testimonials__author {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.testimonials__author-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.testimonials__author-role {
  font-size: var(--text-sm);
  color: var(--color-neutral);
}

/* Ovládání: šipky + tečky */
.testimonials__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.testimonials__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--color-gray-300);
  border-radius: 50%;
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  flex-shrink: 0;
}

.testimonials__btn:hover,
.testimonials__btn:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-white);
  outline: none;
}

/* Tečky */
.testimonials__dots {
  display: flex;
  gap: var(--space-2);
}

.testimonials__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--color-gray-300);
  cursor: pointer;
  transition: background 0.25s, transform 0.25s;
  padding: 0;
}

.testimonials__dot--active {
  background: var(--color-accent);
  transform: scale(1.35);
}

.testimonials__dot:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox[hidden] {
  display: none;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(4px);
}

.lightbox__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  max-width: min(92vw, 1100px);
  width: 100%;
  padding: var(--space-4);
}

.lightbox__figure {
  flex: 1;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
  display: block;
}

.lightbox__caption {
  color: var(--color-gray-400);
  font-size: var(--text-sm);
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Zavírací tlačítko — pravý horní roh */
.lightbox__close {
  position: absolute;
  top: 0;
  right: 0;
  transform: translate(40%, -40%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  z-index: 2;
}

.lightbox__close:hover,
.lightbox__close:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
  outline: none;
}

/* Navigační šipky */
.lightbox__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s, border-color 0.2s;
}

.lightbox__nav:hover,
.lightbox__nav:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
  outline: none;
}

@media (max-width: 600px) {
  .lightbox__nav {
    width: 40px;
    height: 40px;
  }
  .lightbox__inner {
    gap: var(--space-2);
    padding: var(--space-2);
  }
}