/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --color-accent:  #D0021B;
  --color-dark:    #1a1a1a;
  --color-text:    #2d2d2d;
  --color-muted:   #6b6b6b;
  --color-bg:      #ffffff;
  --color-light:   #f5f5f5;
  --font-main:     'Montserrat', sans-serif;
  --navbar-height: 68px;
  --transition:    0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-weight: 300;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

a {
  text-decoration: none;
  color: inherit;
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-accent);
  color: #fff;
  padding: 0.5rem 1rem;
  font-family: var(--font-main);
  font-size: 0.85rem;
  z-index: 9999;
  border-radius: 0 0 4px 4px;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

#navbar.scrolled {
  background: var(--color-dark);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: var(--navbar-height);
  gap: 1.5rem;
}

/* Logo */
.navbar-logo img {
  height: 40px;
  width: auto;
  display: block;
}

/* Nav links */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}

.nav-link {
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  font-weight: 700;
  color: var(--color-accent);
}

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  color: rgba(255, 255, 255, 0.45);
  border-radius: 2px;
  transition: color var(--transition);
}

.lang-btn.active {
  color: var(--color-accent);
}

.lang-btn:hover:not(.active) {
  color: rgba(255, 255, 255, 0.85);
}

/* Hamburger button */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.ham-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

/* Hamburger → X animation */
.hamburger[aria-expanded="true"] .ham-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .ham-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger[aria-expanded="true"] .ham-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   NAVBAR — MOBILE
   ============================================================ */
/* ============================================================
   HERO SECTION
   ============================================================ */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* LCP background image */
.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

/* Dark overlay */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}

/* Content container */
.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 1.5rem;
  max-width: 800px;
  width: 100%;
}

/* Title */
.hero-title {
  font-family: var(--font-main);
  font-weight: 500;
  font-size: clamp(2.5rem, 6vw, 5rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ffffff;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

/* Body paragraph */
.hero-text {
  font-family: var(--font-main);
  font-weight: 300;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: #ffffff;
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

/* CTA button */
.hero-cta {
  display: inline-block;
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ffffff;
  border: 1.5px solid #ffffff;
  padding: 0.9rem 2.2rem;
  border-radius: 2px;
  transition: background var(--transition), color var(--transition);
}

.hero-cta:hover {
  background: #ffffff;
  color: var(--color-dark);
}

/* Hero entrance animations */
.animate-hero {
  opacity: 0;
  transform: translateY(24px);
  animation: heroFadeUp 0.7s ease forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes heroFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-arrow {
  display: block;
  width: 22px;
  height: 22px;
  border-right: 2px solid rgba(255, 255, 255, 0.7);
  border-bottom: 2px solid rgba(255, 255, 255, 0.7);
  transform: rotate(45deg);
  animation: scrollBounce 1.4s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0);    opacity: 0.7; }
  50%       { transform: rotate(45deg) translateY(6px);  opacity: 1;   }
}

/* ============================================================
   NAVBAR — MOBILE
   ============================================================ */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .navbar-nav {
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: var(--color-dark);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin-left: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding var(--transition);
    padding: 0 1.5rem;
  }

  .navbar-nav.open {
    max-height: 300px;
    padding: 1rem 1.5rem 1.5rem;
  }

  .nav-link {
    width: 100%;
    padding: 0.65rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.85rem;
  }

  .nav-link:last-child {
    border-bottom: none;
  }
}

/* ============================================================
   SHARED SECTION LAYOUT
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-family: var(--font-main);
  font-weight: 500;
  font-size: clamp(1.4rem, 3vw, 2rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
}

.section-title-bar {
  display: block;
  width: 48px;
  height: 3px;
  background: var(--color-accent);
  margin: 0 auto;
  border-radius: 2px;
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
#paslaugos {
  padding: 6rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

/* Service card */
.service-card {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 3 / 4;
  cursor: pointer;
}

.service-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.service-card:hover img {
  transform: scale(1.05);
}

/* Card info overlay */
.card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.65);
  padding: 0.8rem 1rem;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.card-title {
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #ffffff;
  margin: 0;
  line-height: 1.3;
}

/* Card details — hidden, revealed on hover */
.card-details {
  list-style: disc;
  padding-left: 1rem;
  margin-top: 0.5rem;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.35s ease;
  font-family: var(--font-main);
  font-weight: 300;
  font-size: 0.72rem;
  color: #ffffff;
  line-height: 1.8;
}

.service-card:hover .card-details {
  max-height: 300px;
  opacity: 1;
}

/* ============================================================
   SERVICES — RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: clamp(2rem, 5vw, 4rem);
  }

  .hero-text {
    font-size: clamp(0.9rem, 1.8vw, 1.1rem);
  }
}

@media (max-width: 640px) {
  #paslaugos {
    padding: 4rem 1rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Last card spans full width when it's the 5th (odd) item */
  .service-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    margin-bottom: 1rem;
  }

  .hero-text {
    font-size: clamp(0.85rem, 1.6vw, 1rem);
    margin-bottom: 1.5rem;
  }

  .hero-cta {
    padding: 0.75rem 1.8rem;
    font-size: 0.8rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .service-card {
    aspect-ratio: 2.5 / 3;
  }

  .service-card:last-child:nth-child(odd) {
    aspect-ratio: 2.5 / 3;
  }

  #paslaugos {
    padding: 3rem 0.75rem;
  }

  .section-header {
    margin-bottom: 2rem;
  }

  .section-title {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  }

  .gallery-grid {
    gap: 0.4rem;
  }

  #galerija {
    padding: 3rem 0.75rem;
  }

  #kontaktai {
    padding: 3rem 0.75rem;
  }

  .kontaktai-inner {
    gap: 2rem;
  }

  .footer-copy {
    font-size: 0.75rem;
  }
}

/* ============================================================
   GALLERY SECTION
   ============================================================ */
#galerija {
  padding: 6rem 1.5rem;
  background: var(--color-light);
}

#galerija .section-header .section-title {
  color: var(--color-dark);
}

.gallery-inner {
  max-width: 1200px;
  margin: 0 auto;
}

#galerija > .section-header,
#galerija > .gallery-grid,
#galerija > .gallery-toggle-wrap {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

/* Gallery item */
.gallery-item {
  overflow: hidden;
  border-radius: 3px;
  cursor: pointer;
  aspect-ratio: 1 / 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.25s ease;
}

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

/* Hidden extra items */
.gallery-item.gallery-hidden {
  display: none;
}

/* Fade-in when revealed */
.gallery-item.gallery-revealed {
  display: block;
  animation: galleryFadeIn 0.4s ease forwards;
}

@keyframes galleryFadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to   { opacity: 1; transform: scale(1); }
}

/* Toggle button */
.gallery-toggle-wrap {
  text-align: center;
  margin-top: 1.5rem;
}

.gallery-toggle-btn {
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-dark);
  background: none;
  border: 1.5px solid var(--color-dark);
  padding: 0.75rem 2rem;
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.gallery-toggle-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox[hidden] {
  display: none;
}

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

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 2px;
  transition: opacity 0.2s ease;
}

.lightbox-img.lb-fade {
  opacity: 0;
}

/* Close button */
.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  transition: color var(--transition);
  z-index: 1;
}

.lightbox-close:hover {
  color: var(--color-accent);
}

/* Prev / Next buttons */
.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 1.5rem 1.25rem;
  z-index: 1;
}

.lightbox-prev { left: 0.5rem; }
.lightbox-next { right: 0.5rem; }

/* CSS chevron arrows */
.lb-chevron {
  display: block;
  width: 18px;
  height: 18px;
  border-top:   2.5px solid rgba(255, 255, 255, 0.75);
  border-right: 2.5px solid rgba(255, 255, 255, 0.75);
  transition: border-color var(--transition);
}

.lb-chevron-left  { transform: rotate(-135deg); }
.lb-chevron-right { transform: rotate(45deg); }

.lightbox-prev:hover .lb-chevron,
.lightbox-next:hover .lb-chevron {
  border-color: var(--color-accent);
}

/* ============================================================
   GALLERY — RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  #galerija {
    padding: 4rem 1rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .lightbox-prev { left: 0; }
  .lightbox-next { right: 0; }
}

/* ============================================================
   CONTACTS SECTION
   ============================================================ */
#kontaktai {
  background: var(--color-light);
  padding: 6rem 1.5rem;
}

.kontaktai-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.kontaktai-col .section-title {
  text-align: left;
  margin-bottom: 0.75rem;
}

.kontaktai-col .section-title-bar {
  margin: 0 0 2rem 0;
}

/* Contact list */
.kontaktai-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-family: var(--font-main);
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
}

.kontaktai-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: baseline;
}

.kontaktai-label {
  font-weight: 500;
  color: var(--color-dark);
  white-space: nowrap;
}

.kontaktai-link {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

.kontaktai-link:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.rekvizitai-list {
  font-size: 0.9rem;
}

/* Facebook button */
.fb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-dark);
  margin-top: 1.75rem;
  transition: background var(--transition);
  flex-shrink: 0;
}

.fb-btn:hover {
  background: var(--color-accent);
}

/* ============================================================
   CONTACTS — RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .kontaktai-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  #kontaktai {
    padding: 4rem 1rem;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: var(--color-dark);
  color: #ffffff;
  text-align: center;
  padding: 1.5rem 1.5rem;
}

.footer-copy {
  font-family: var(--font-main);
  font-weight: 300;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.65);
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}