:root {
  --bg: #f8f9fb;
  --card-bg: #ffffff;
  --text: #1f2933;
  --muted: #52606d;
  --accent: #0070f3;
  --accent-dark: #0056c1;
  --border: #d9e2ec;
  --shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  --sale: #0f766e;
  --discount-bg: #ecfdf3;
  --discount-text: #027a48;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
    sans-serif;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

body.no-scroll {
  overflow: hidden;
}

.hero {
  background: linear-gradient(135deg, #eff6ff 0%, #fff5f7 100%);
  padding: clamp(2rem, 5vw, 4rem) 1.5rem;
  text-align: center;
}

.hero__content {
  max-width: 720px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin-bottom: 1rem;
}

.hero p {
  margin-bottom: 1.5rem;
  color: var(--muted);
}

.hero__cta button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(0, 112, 243, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.hero__cta button:hover,
.hero__cta button:focus-visible {
  outline: none;
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 112, 243, 0.25);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.status {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: center;
  background: rgba(0, 112, 243, 0.06);
  color: var(--accent);
  padding: 0.85rem 1rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  font-weight: 500;
}

.status--error {
  background: #fee4e2;
  color: #b42318;
}

.status--error .status__spinner {
  border-color: rgba(180, 35, 24, 0.2);
  border-top-color: #b42318;
}

.status--hidden {
  display: none;
}

.status__spinner {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 3px solid rgba(0, 112, 243, 0.2);
  border-top-color: var(--accent);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.items-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.item-card {
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.item-card__media {
  position: relative;
  background: #f0f4f8;
}

.item-card__carousel {
  position: relative;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform 0.4s ease;
  width: 100%;
}

.carousel__slide {
  min-width: 100%;
  max-height: 320px;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e4e7eb;
}

.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: zoom-in;
}

.carousel__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(31, 41, 51, 0.55);
  color: #fff;
  border: none;
  border-radius: 999px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.2s ease;
  z-index: 2;
}

.carousel__nav.nav-hidden,
.lightbox__nav.nav-hidden {
  display: none !important;
}

.carousel__nav:hover,
.carousel__nav:focus-visible {
  background: rgba(0, 112, 243, 0.8);
  outline: none;
}

.carousel__nav--prev {
  left: 0.75rem;
}

.carousel__nav--next {
  right: 0.75rem;
}

.carousel__dots {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
}

.carousel__dots--hidden {
  display: none;
}

.carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.carousel__dot[aria-selected='true'] {
  background: var(--accent);
  transform: scale(1.2);
}

.item-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.item-card__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.item-card__info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1 1 auto;
  min-width: 0;
}

.item-card__title {
  margin: 0;
  font-size: 1.35rem;
}

.item-card__description {
  margin: 0;
  color: var(--muted);
  flex: 1;
}

.item-card__pricing {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  background: #f5f7fa;
  flex: 1 1 auto;
  min-width: 0;
}

.item-card__purchase-date {
  margin: 0;
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(0, 112, 243, 0.08);
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.item-card__purchase-date--hidden {
  display: none;
}

.pricing__line {
  display: contents;
}

.pricing__value {
  font-size: 1rem;
  margin: 0;
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
}

.pricing__original {
  color: var(--muted);
  text-decoration: line-through;
  font-weight: 500;
}

.pricing__sale {
  font-weight: 700;
  color: var(--sale);
}

.pricing__discount {
  background: var(--discount-bg);
  color: var(--discount-text);
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.pricing__value--hidden {
  display: none;
}

.item-card__contact {
  text-decoration: none;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.2s ease;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  flex: 0 0 auto;
}

@media (max-width: 520px) {
  .item-card__meta {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .item-card__contact {
    margin-left: auto;
    margin-right: auto;
    flex-basis: 100%;
    justify-content: center;
  }
}

.item-card__contact:hover,
.item-card__contact:focus-visible {
  background: var(--accent-dark);
  transform: translateY(-2px);
  outline: none;
}

.lightbox {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 5vw, 2.5rem);
  background: rgba(15, 23, 42, 0.92);
  z-index: 1000;
  opacity: 1;
  transition: opacity 0.25s ease;
}

.lightbox--hidden {
  opacity: 0;
  pointer-events: none;
}

.lightbox__content {
  position: relative;
  width: min(960px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.lightbox__image {
  max-width: 100%;
  max-height: min(78vh, 720px);
  width: auto;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.45);
  object-fit: contain;
  background: #0f172a;
}

.lightbox__caption {
  margin: 0;
  color: #e2e8f0;
  font-weight: 500;
  text-align: center;
  font-size: clamp(0.9rem, 2.5vw, 1rem);
}

.lightbox__close {
  position: absolute;
  top: clamp(1rem, 4vw, 2rem);
  right: clamp(1rem, 4vw, 2rem);
  background: rgba(15, 23, 42, 0.75);
  color: #fff;
  border: none;
  border-radius: 999px;
  width: 42px;
  height: 42px;
  font-size: 1.75rem;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
  z-index: 1;
}

.lightbox__nav {
  --lightbox-nav-translate: -50%;
  position: absolute;
  top: 50%;
  transform: translateY(var(--lightbox-nav-translate));
  background: rgba(15, 23, 42, 0.75);
  color: #fff;
  border: none;
  border-radius: 999px;
  width: clamp(44px, 12vw, 58px);
  height: clamp(44px, 12vw, 58px);
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  transition: background 0.2s ease, transform 0.2s ease;
}

.lightbox__nav--prev {
  left: clamp(0.5rem, 6vw, 2rem);
}

.lightbox__nav--next {
  right: clamp(0.5rem, 6vw, 2rem);
}


.lightbox__close:hover,
.lightbox__close:focus-visible {
  background: rgba(0, 112, 243, 0.85);
  outline: none;
  transform: scale(1.05);
}

.lightbox__nav:hover,
.lightbox__nav:focus-visible {
  background: rgba(0, 112, 243, 0.85);
  outline: none;
  transform: translateY(var(--lightbox-nav-translate)) scale(1.05);
}

.lightbox__nav[disabled] {
  opacity: 0.45;
  cursor: default;
}

.lightbox__nav[disabled]:hover,
.lightbox__nav[disabled]:focus-visible {
  background: rgba(15, 23, 42, 0.75);
  transform: translateY(var(--lightbox-nav-translate));
}

@media (max-width: 640px) {
  .lightbox__nav {
    --lightbox-nav-translate: 0;
    top: auto;
    bottom: clamp(1rem, 6vw, 1.75rem);
  }

  .lightbox__nav--prev {
    left: clamp(1rem, 10vw, 2rem);
  }

  .lightbox__nav--next {
    right: clamp(1rem, 10vw, 2rem);
  }

  .lightbox__nav[disabled]:hover,
  .lightbox__nav[disabled]:focus-visible {
    transform: translateY(var(--lightbox-nav-translate));
  }
}

.footer {
  padding: 2rem 1.5rem 3rem;
  background: #fff;
  text-align: center;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}