/* =========================================
   LIGHTBOX
   ========================================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  cursor: zoom-out;
}
.lightbox.open {
  opacity: 1;
  visibility: visible;
}
.lightbox__img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  object-fit: contain;
  cursor: default;
}
.lightbox__close {
  position: absolute;
  top: 16px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.lightbox__close:hover {
  background: rgba(255,255,255,0.2);
}
.lightbox__caption {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  text-align: center;
  max-width: 80vw;
  padding: 8px 20px;
  background: rgba(0,0,0,0.5);
  border-radius: 8px;
  white-space: nowrap;
}
.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  line-height: 1;
}
.lightbox__prev { left: 20px; }
.lightbox__next { right: 20px; }
.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(255,255,255,0.25);
}

/* =========================================
   PRODUCT PAGE
   ========================================= */

/* Page Hero */
.page-hero {
  padding: calc(var(--header-h) + 60px) 0 48px;
  text-align: center;
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--black);
  margin-bottom: 16px;
}
.page-hero__desc {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Product Section */
.prod-section {
  padding: clamp(56px, 7vw, 88px) 0;
}
.prod-section--alt {
  background: var(--gray-50);
}
.prod-section__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.prod-section__grid--reverse {
  grid-template-columns: 1.2fr 1fr;
}
.prod-section__grid--reverse .prod-section__content {
  order: 2;
}
.prod-section__grid--reverse .prod-section__visual {
  order: 1;
}
.prod-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--black);
  margin-bottom: 16px;
}
.prod-section__desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-600);
  margin-bottom: 24px;
}
.prod-section__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.prod-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--gray-700);
}
.prod-feature svg {
  flex-shrink: 0;
  margin-top: 2px;
}
.prod-section__badges {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

/* Images */
.prod-section__img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
}
.prod-section__img--shadow {
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

/* Web showcase */
.web-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.web-showcase__item {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: all 0.4s var(--ease-out-expo);
}
.web-showcase__item:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.08);
  border-color: transparent;
}
.web-showcase__img {
  overflow: hidden;
  line-height: 0;
  border-bottom: 1px solid var(--gray-200);
}
.web-showcase__img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: top;
  transition: transform 0.5s var(--ease-out-expo);
}
.web-showcase__item:hover .web-showcase__img img {
  transform: scale(1.03);
}
.web-showcase__info {
  padding: 24px;
}
.web-showcase__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--black);
}
.web-showcase__desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--gray-600);
  margin-bottom: 14px;
}
.web-showcase__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue);
  transition: gap 0.3s;
}
.web-showcase__item:hover .web-showcase__link {
  gap: 12px;
}

/* White-label showcase */
.wl-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.wl-showcase--mobile {
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.wl-showcase__item {
  text-align: center;
}
.wl-showcase__item img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  border: 1px solid var(--gray-200);
}
.wl-showcase__label {
  display: block;
  margin-top: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Phone gallery (mobile app) */
.phone-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.phone-gallery__item img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  border: 2px solid #222;
}

/* Terminal gallery */
.terminal-gallery__main {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  margin-bottom: 16px;
}
.terminal-gallery {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.terminal-gallery__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.terminal-gallery__row img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

/* Rozvoz gallery */
.rozvoz-gallery--row {
  display: grid;
  grid-template-columns: 0.7fr 0.7fr 2fr;
  gap: 12px;
  align-items: start;
}
.rozvoz-gallery--row img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}
.rozvoz-gallery--row img:nth-child(-n+2) {
  border: 2px solid #222;
  border-radius: 14px;
}

/* Senior illustration */
.senior-illustration {
  display: flex;
  align-items: center;
  gap: 24px;
}
.senior-illustration__paper,
.senior-illustration__digital {
  background: var(--white);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.06);
  border: 1px solid var(--gray-200);
  flex: 1;
}
.senior-illustration__paper {
  transform: rotate(-1deg);
  font-family: 'Comic Sans MS', 'Segoe Script', cursive;
}
.senior-illustration__digital {
  transform: rotate(1deg);
  font-family: var(--font-body);
}
.senior-illustration__header {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--gray-900);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-200);
}
.senior-illustration__row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.82rem;
  color: var(--gray-700);
}
.senior-illustration__check {
  width: 16px;
  height: 16px;
  border: 2px solid var(--gray-400);
  border-radius: 2px;
  flex-shrink: 0;
  position: relative;
}
.senior-illustration__check--filled::before,
.senior-illustration__check--filled::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background: var(--blue);
}
.senior-illustration__check--filled::before {
  transform: translate(-50%, -50%) rotate(45deg);
}
.senior-illustration__check--filled::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}
.senior-illustration__row--digital {
  font-family: var(--font-body);
}
.senior-illustration__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.senior-illustration__dot--green {
  background: #34a853;
}
.senior-illustration__arrow {
  flex-shrink: 0;
}

/* Product CTA */
.prod-cta {
  padding: clamp(48px, 6vw, 80px) 0;
  background: var(--gray-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.prod-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--blue-deep) 0%, var(--gray-900) 50%, var(--gray-800) 100%);
  opacity: 0.5;
}
.prod-cta .container--wide { position: relative; z-index: 1; }
.prod-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.prod-cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 8px;
}
.prod-cta__desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
}
.prod-cta__actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}
.prod-cta .btn--outline {
  border-color: rgba(255,255,255,0.3);
  color: var(--white);
}
.prod-cta .btn--outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.05);
}

/* Active nav link */
.header__nav a.active {
  color: var(--gold);
}

/* Responsive */
@media (max-width: 1024px) {
  .prod-section__grid,
  .prod-section__grid--reverse {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .prod-section__grid--reverse .prod-section__content,
  .prod-section__grid--reverse .prod-section__visual {
    order: unset;
  }
  .prod-cta__inner {
    flex-direction: column;
    text-align: center;
  }
  .senior-illustration {
    flex-direction: column;
    gap: 16px;
  }
  .senior-illustration__arrow {
    transform: rotate(90deg);
  }
  .senior-illustration__paper,
  .senior-illustration__digital {
    transform: none;
  }
}
@media (max-width: 768px) {
  .web-showcase {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .phone-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .prod-cta__actions {
    flex-direction: column;
    width: 100%;
  }
  .prod-cta__actions .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}
@media (max-width: 480px) {
  .wl-showcase--mobile {
    max-width: 100%;
  }
  .rozvoz-gallery__phones {
    max-width: 100%;
  }
}