/* =============================================
   BKZemniPrace — CSS Stylesheet
   Bez Kompromis Technika
   Main color: #F2B513
   ============================================= */

/* CookieConsent v3 theme override */
:root {
  --cc-btn-primary-bg: #F2B513;
  --cc-btn-primary-text: #1a1a1a;
  --cc-btn-primary-hover-bg: #D9A012;
  --cc-toggle-on-bg: #F2B513;
  --cc-modal-z-index: 1100;
}

/* === CSS Variables === */
:root {
  --color-primary: #F2B513;
  --color-primary-dark: #D9A012;
  --color-primary-contrast: #8A5A00;
  --color-primary-contrast-strong: #6B4500;
  --color-primary-light: #FBd45C;
  --color-dark: #1a1a1a;
  --color-light: #f5f5f5;
  --color-white: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #5f5f5f;
  --color-text-inverse-muted: #c7c7c7;
  --color-border: #e0e0e0;
  --color-success: #1f6f3d;
  --color-error: #dc3545;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 5rem;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;

  --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
  --shadow: 0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);

  --transition: 0.3s ease;
  --max-width: 1200px;
}

/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary-contrast);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-contrast-strong);
}

ul {
  list-style: none;
}

/* Accessibility — focus styles */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip link — visually hidden, visible on focus */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: var(--color-dark);
  font-weight: 700;
  z-index: 9999;
  outline: 2px solid var(--color-dark);
}

/* SVG icon helper */
.svg-icon {
  width: 1.25em;
  height: 1.25em;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Hidden SVG sprite container */
.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
}

/* === Layout Utilities === */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section--dark {
  background: var(--color-dark);
  color: var(--color-white);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

.section--dark p {
  color: rgba(255,255,255,0.8);
}

.section--light {
  background: var(--color-light);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-dark);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary-light);
  border: 2px solid var(--color-primary-light);
}

.btn--outline:hover {
  background: var(--color-primary-light);
  color: var(--color-dark);
}

.btn--large {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

/* === Header === */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) 0;
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition);
}

.header.scrolled {
  padding: var(--spacing-sm) 0;
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.logo__icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.nav__list {
  display: flex;
  gap: var(--spacing-lg);
}

.nav__link {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-contrast);
  transition: width var(--transition);
}

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

.nav__link.active {
  color: var(--color-primary-contrast);
}

.nav__link.active::after {
  width: 100%;
}

.nav__link:hover::after {
  width: 100%;
}

/* Mobile menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}

/* === Hero Section === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-dark) 0%, #2d2d2d 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

/* Hero background placeholder — no image yet, gradient only */
/* background-image reference removed until photo is provided */
/*
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.2;
}
*/

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero__badge {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-dark);
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-lg);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.hero__title span {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

/* === Section Headers === */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
}

.section-header__line {
  width: 60px;
  height: 4px;
  background: var(--color-primary);
  margin: var(--spacing-md) auto 0;
  border-radius: 2px;
}

/* === Cards Grid === */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

/* === Cards Divider === */
.cards-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-border, rgba(0, 0, 0, 0.12)), transparent);
  margin: var(--spacing-xl) auto;
  max-width: 480px;
}

/* === Tech Card === */
.tech-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.tech-card:hover {
  box-shadow: var(--shadow-lg);
}

.tech-card__image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  background: var(--color-light);
}

.tech-card__body {
  padding: var(--spacing-lg);
}

.tech-card__title {
  margin-bottom: var(--spacing-sm);
}

.tech-card__subtitle {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-md);
}

.tech-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.tech-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.tech-card__feature::before {
  content: '✓';
  color: var(--color-primary-contrast);
  font-weight: 700;
  flex-shrink: 0;
}

/* === Pricing Table === */
.pricing-section {
  background: var(--color-light);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--color-primary);
}

.pricing-card--highlight {
  border-top-color: var(--color-primary);
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.pricing-card__header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.pricing-card__subtitle {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-sm);
}

.pricing-card__price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary-contrast);
}

.pricing-card__price small {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.pricing-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.pricing-list__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

.pricing-list__item:last-child {
  border-bottom: none;
}

.pricing-list__label {
  color: var(--color-text-muted);
}

.pricing-list__value {
  font-weight: 600;
  color: var(--color-text);
}

.pricing-list__value--highlight {
  color: var(--color-primary-contrast);
}

/* Pricing note */
.pricing-note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-xl);
}

/* === Benefits === */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.benefit-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.benefit-item__icon {
  width: 64px;
  height: 64px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 1.75rem;
}

.benefit-item__title {
  margin-bottom: var(--spacing-sm);
}

.benefit-item__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* === Services List === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
}

.service-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.service-item:hover {
  transform: translateX(4px);
}

.service-item__icon {
  font-size: 1.5rem;
}

.service-item__text {
  font-weight: 600;
  font-size: 0.9375rem;
}

/* === FAQ Section === */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-primary-contrast);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  background: var(--color-light);
}

.faq-item p {
  padding: 0 var(--spacing-lg) var(--spacing-md);
  color: var(--color-text-muted);
  margin: 0;
}

/* === Contact Info === */
.contact-cta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.contact-cta-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xl) var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-decoration: none;
  text-align: center;
  box-shadow: var(--shadow);
  min-height: 160px;
  justify-content: center;
}

.contact-cta-card:hover {
  box-shadow: var(--shadow-lg);
}

.contact-cta-card--phone {
  background: var(--color-dark);
  color: var(--color-white);
}

.contact-cta-card--phone .contact-info__label,
.contact-cta-card--phone .contact-info__value {
  color: var(--color-white);
}

.contact-cta-card--email {
  background: var(--color-light);
  color: var(--color-text);
}

.contact-cta-card--whatsapp {
  background: #18763f;
  color: var(--color-white);
}

.contact-cta-card--whatsapp .contact-info__label,
.contact-cta-card--whatsapp .contact-info__value {
  color: var(--color-white);
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.contact-info__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  text-align: center;
  min-width: 180px;
}

.contact-info__icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.contact-info__label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-info__value {
  font-size: 1.25rem;
  font-weight: 700;
}

.contact-info__value a {
  color: var(--color-text);
  text-decoration: none;
}

.contact-info__value a:hover {
  color: var(--color-primary);
}

/* === CTA Section === */
.cta-section {
  background: var(--color-dark);
  text-align: center;
  padding: var(--spacing-2xl) 0;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.cta-phone {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-primary-light);
  text-decoration: none;
}

.cta-phone:hover {
  color: var(--color-primary-light);
}

/* === Footer === */
.footer {
  background: var(--color-dark);
  color: var(--color-text-inverse-muted);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer__col h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
  font-weight: 700;
}

.footer__col p,
.footer__col a {
  font-size: 0.9375rem;
  color: var(--color-text-inverse-muted);
  line-height: 1.8;
}

.footer__col a:hover {
  color: var(--color-primary-light);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.footer__logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.footer__logo span {
  color: var(--color-primary-light);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.875rem;
}

.footer__bottom p {
  color: var(--color-text-inverse-muted);
}

/* === Accessories === */
.accessories-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.accessory-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-light);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.accessory-tag--free {
  background: #e8f5e9;
  color: var(--color-success);
}

.accessory-tag--paid {
  background: #fff8e1;
  color: #8a4b08;
}

#cc-main {
  font-family: var(--font-base);
}

#cc-main .cm,
#cc-main .pm {
  font-family: inherit;
}

/* === Responsive === */
@media (min-width: 1024px) {
  .contact-cta-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav__list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    gap: var(--spacing-md);
  }

  .nav__list.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 80px;
  }

  .hero__cta {
    flex-direction: column;
  }

  .section {
    padding: var(--spacing-xl) 0;
  }

  .pricing-card--highlight {
    transform: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* === Print === */
@media print {
  .header,
  .nav-toggle,
  .hero,
  .cta-section,
  .footer__bottom { display: none; }
  body { font-size: 12pt; color: #000; background: #fff; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 0.75em; }
}

/* === Tech Card Media Trigger === */
.tech-card__media-trigger {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  overflow: hidden;
  font: inherit;
  color: inherit;
}

.tech-card__media-trigger .tech-card__image {
  display: block;
  transition: transform 0.4s ease;
}

.tech-card__media-trigger:hover .tech-card__image,
.tech-card__media-trigger:focus-visible .tech-card__image {
  transform: scale(1.04);
}

.tech-card__media-trigger:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: -3px;
}

.tech-card__zoom-icon {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.85;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.tech-card__media-trigger:hover .tech-card__zoom-icon,
.tech-card__media-trigger:focus-visible .tech-card__zoom-icon {
  opacity: 1;
  transform: scale(1.08);
}

/* === Lightbox === */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.lightbox[hidden] {
  display: none !important;
}

.lightbox.is-open {
  opacity: 1;
}

.lightbox__figure {
  margin: 0;
  max-width: min(1200px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.lightbox__picture {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 140px);
}

.lightbox__image {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 140px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md, 8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  background: #111;
}

.lightbox__caption {
  color: #fff;
  font-size: 0.95rem;
  text-align: center;
  max-width: 90%;
  margin: 0;
  opacity: 0.9;
}

.lightbox__caption:empty {
  display: none;
}

.lightbox__counter {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  background: rgba(0, 0, 0, 0.5);
  padding: 4px 10px;
  border-radius: 999px;
  opacity: 0.85;
}

.lightbox__counter:empty {
  display: none;
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.lightbox__close:hover,
.lightbox__nav:hover,
.lightbox__close:focus-visible,
.lightbox__nav:focus-visible {
  background: rgba(255, 255, 255, 0.25);
  outline: none;
}

.lightbox__close {
  top: 16px;
  right: 16px;
  width: 48px;
  height: 48px;
}

.lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
}

.lightbox__nav:hover,
.lightbox__nav:focus-visible {
  transform: translateY(-50%) scale(1.06);
}

.lightbox__nav--prev { left: 16px; }
.lightbox__nav--next { right: 16px; }

.lightbox__nav[hidden] { display: none; }

@media (max-width: 600px) {
  .lightbox {
    padding: var(--spacing-sm);
  }
  .lightbox__close {
    width: 40px;
    height: 40px;
    top: 8px;
    right: 8px;
  }
  .lightbox__nav {
    width: 44px;
    height: 44px;
  }
  .lightbox__nav--prev { left: 6px; }
  .lightbox__nav--next { right: 6px; }
  .lightbox__caption {
    font-size: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lightbox,
  .tech-card__media-trigger .tech-card__image,
  .tech-card__zoom-icon {
    transition: none;
  }
}