/* Prodaja helijuma i balon gasa — zajednički stil za sve stranice */

:root {
  --bg: #e1deda;
  --surface: #efece8;
  --white: #ffffff;
  --text: #1f2937;
  --muted: #4b5563;
  --accent: #9bb195;
  --accent-hover: #8aa384;
  --line: #cdc8c1;
  --radius: 16px;
  --maxw: 1080px;
  --gutter: 16px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

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

a { color: inherit; }

h1, h2, h3 {
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 .5em;
}

h1 { font-size: clamp(1.9rem, 5vw, 3rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); text-align: center; }
h3 { font-size: clamp(1.4rem, 3vw, 2rem); }

p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  background: var(--text);
  color: var(--white);
  padding: .6rem 1rem;
  border-radius: 8px;
  z-index: 100;
}
.skip-link:focus { top: var(--gutter); }

:focus-visible {
  outline: 3px solid var(--text);
  outline-offset: 3px;
}

/* ---------- Zaglavlje i meni ---------- */

.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 72px;
}

.brand { margin-right: auto; }

.brand img { height: 56px; width: auto; }

.site-nav ul {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: inline-block;
  padding: .5rem 0;
  text-decoration: none;
  color: var(--muted);
  border-bottom: 2px solid transparent;
}

.site-nav a:hover { color: var(--text); }

.site-nav a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--text);
}

.nav-toggle { display: none; }

/* ---------- Izbor jezika ---------- */

/* Bez JavaScripta prekidač nema čemu da služi, pa se ne prikazuje. */
.lang-switch { display: none; }
.js .lang-switch { display: flex; gap: .125rem; }

.lang-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 6px;
  background: transparent;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}

.lang-btn img {
  width: 30px;
  height: 20px;
  object-fit: cover;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .25);
  opacity: .75;
  transition: opacity .15s ease;
}

.lang-btn:hover img { opacity: 1; }

.lang-btn[aria-pressed="true"] img {
  opacity: 1;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--text);
}

/* Dok se prevod primenjuje, stranica se ne prikazuje na srpskom pa tek onda menja.
   Ako skripta zakaže, stranica se ipak otkriva posle 1,5 sekunde. */
html.lang-pending body {
  visibility: hidden;
  animation: lang-reveal 0s 1.5s forwards;
}

@keyframes lang-reveal { to { visibility: visible; } }

@media (max-width: 859px) {
  .header-inner { gap: .4rem; }
  .lang-switch { order: 2; }
  .nav-toggle { order: 3; }
}

@media (max-width: 859px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 10px;
    cursor: pointer;
    color: var(--text);
  }

  .nav-toggle .bars,
  .nav-toggle .bars::before,
  .nav-toggle .bars::after {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
  }
  .nav-toggle .bars { position: relative; }
  .nav-toggle .bars::before,
  .nav-toggle .bars::after { content: ""; position: absolute; left: 0; }
  .nav-toggle .bars::before { top: -7px; }
  .nav-toggle .bars::after { top: 7px; }

  /* Meni je sakriven samo ako JavaScript radi; bez njega ostaje vidljiv. */
  .js .site-nav { display: none; }
  .js .site-nav.is-open { display: block; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: .5rem var(--gutter) 1rem;
  }

  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav a { display: block; padding: .85rem 0; }
}

/* ---------- Dugmad ---------- */

.btn {
  display: inline-block;
  background: var(--accent);
  color: #000;
  font-weight: 600;
  letter-spacing: .02em;
  text-transform: uppercase;
  text-decoration: none;
  padding: .85rem 1.6rem;
  border-radius: 8px;
  border: 0;
  cursor: pointer;
}
.btn:hover { background: var(--accent-hover); }

/* ---------- Naslovni baner ---------- */

.hero {
  color: var(--white);
  text-align: center;
  padding: clamp(3rem, 10vw, 6.5rem) 0;
  /* Tamni prelaz u bojama originala; kasnije može da se zameni fotografijom. */
  background: linear-gradient(135deg, #0b0b12 0%, #6b3a22 48%, #0f2a4a 100%);
}

.hero h1 { text-shadow: 0 2px 12px rgba(0, 0, 0, .5); }

.hero p {
  max-width: 40rem;
  margin: 0 auto 1.75rem;
  font-size: 1.1rem;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .6);
}

/* ---------- Odeljci ---------- */

.section { padding-block: clamp(2rem, 6vw, 3.5rem); }

/* ---------- Partneri ---------- */

.partner-grid {
  list-style: none;
  margin: 0;
  padding: 1.25rem;
  background: var(--white);
  border-radius: 28px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  align-items: center;
}

@media (min-width: 720px) {
  .partner-grid { grid-template-columns: repeat(4, 1fr); padding: 1.75rem 2rem; gap: 1.5rem; }
}

.partner-grid a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 110px;
  padding: .5rem;
  border-radius: 12px;
}
.partner-grid a:hover { background: #f4f2ef; }

.partner-grid img {
  max-height: 100%;
  max-width: 100%;
  width: auto;
  object-fit: contain;
}

/* ---------- Boce ---------- */

.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  margin-top: 1.75rem;
}

@media (min-width: 860px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.card p { color: var(--muted); }

.checklist {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.checklist li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: .5rem;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .2em;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f2937' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center / 70% no-repeat;
}

.card-img {
  margin-top: auto;
  border-radius: 10px;
  width: 100%;
}

/* Podaci o boci u kartici. Na srpskom se vidi slika sa tabelom, a na ostalim
   jezicima (slika je na srpskom) lista podataka u tekstu. */

.card-specs { margin: 0 0 1rem; }

.card-specs div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .45rem 0;
  border-top: 1px solid var(--line);
}

.card-specs dt { color: var(--muted); }
.card-specs dd { margin: 0; font-weight: 600; text-align: right; }

html:lang(sr) .card-specs { display: none; }
html:not(:lang(sr)) .card-img { display: none; }

/* ---------- Kontakt ---------- */

.contact {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 860px) {
  .contact { grid-template-columns: 1fr 1fr; gap: 3rem; }
}

.contact-card {
  border-radius: 24px;
  padding: clamp(1rem, 4vw, 2.5rem);
  background:
    linear-gradient(rgba(255, 255, 255, .5), rgba(255, 255, 255, .5)),
    url("../img/kontakt-pozadina.jpg") center / cover no-repeat,
    #e4cdba;
}

.contact h2 { text-align: left; }

.contact-photo {
  border-radius: var(--radius);
  width: 100%;
  max-height: 520px;
  object-fit: cover;
}

.contact-list {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  font-size: 1.1rem;
}

.contact-list li { margin-bottom: .5rem; }

.contact-list a { font-weight: 600; text-underline-offset: 3px; }

/* ---------- Unutrašnje stranice (O nama, Usluge, Galerija) ---------- */

.hero-compact { padding: clamp(2.25rem, 7vw, 4rem) 0; }
.hero-compact p { margin-bottom: 0; }

.narrow { max-width: 46rem; margin-inline: auto; }
.narrow h2 { text-align: left; }

.stats {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
}

.stats li {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.stats strong {
  display: block;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 2.5rem;
  line-height: 1.1;
}

.stats span { color: var(--muted); }

@media (min-width: 860px) {
  .cards.cards--2 { grid-template-columns: repeat(2, 1fr); }
}

.card p:last-child { margin-bottom: 0; }

.cta { text-align: center; }
.cta p { color: var(--muted); }

.section-lead {
  text-align: center;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

/* Tabela sa podacima o bocama */

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
}

.spec-table th,
.spec-table td {
  padding: .9rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.spec-table thead th {
  background: var(--text);
  color: var(--white);
  font-weight: 600;
}

.spec-table tbody th { font-weight: 600; }
.spec-table tbody tr:last-child > * { border-bottom: 0; }

.table-note {
  margin: .75rem 0 0;
  text-align: center;
  color: var(--muted);
  font-size: .95rem;
}

@media (max-width: 719px) {
  /* Na telefonu svaka boca postaje kartica, da tabela ne izlazi iz ekrana. */
  .spec-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

  .spec-table,
  .spec-table tbody,
  .spec-table tr,
  .spec-table th,
  .spec-table td { display: block; }

  .spec-table tbody tr {
    padding: .75rem 0;
    border-bottom: 6px solid var(--bg);
  }
  .spec-table tbody tr:last-child { border-bottom: 0; }

  .spec-table tbody th {
    font-size: 1.2rem;
    padding: .25rem 1rem .5rem;
    border: 0;
  }

  .spec-table td {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: .35rem 1rem;
    border: 0;
    text-align: right;
  }

  .spec-table td::before {
    content: attr(data-label);
    color: var(--muted);
    text-align: left;
  }
}

/* Koraci */

.steps {
  list-style: none;
  counter-reset: korak;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}

.steps li {
  counter-increment: korak;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.steps li::before {
  content: counter(korak);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  margin-bottom: .75rem;
}

.steps h3 { font-size: 1.25rem; }
.steps p { color: var(--muted); margin: 0; }

/* ---------- Galerija ---------- */

.gallery {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .75rem;
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 640px) {
  .gallery { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
}

@media (min-width: 960px) {
  .gallery { grid-template-columns: repeat(4, 1fr); }
}

.gallery a {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.gallery img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform .25s ease;
}

.gallery a:hover img { transform: scale(1.04); }

@media (prefers-reduced-motion: reduce) {
  .gallery img { transition: none; }
  .gallery a:hover img { transform: none; }
}

/* Uvećan prikaz */

body:has(.lightbox[open]) { overflow: hidden; }

.lightbox {
  border: 0;
  padding: 0;
  background: transparent;
  color: #fff;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
}

.lightbox::backdrop { background: rgba(0, 0, 0, .9); }

.lightbox[open] {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lb-figure { margin: 0; text-align: center; }

.lb-img {
  max-width: 92vw;
  max-height: 80vh;
  width: auto;
  height: auto;
  margin-inline: auto;
  border-radius: 8px;
}

.lb-caption { margin-top: .75rem; color: #d6d6d6; font-size: .95rem; }

.lb-btn {
  position: absolute;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .16);
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

.lb-btn:hover { background: rgba(255, 255, 255, .3); }
.lb-btn:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

.lb-close { top: 12px; right: 12px; }
.lb-prev { left: 12px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 12px; top: 50%; transform: translateY(-50%); }

.lightbox.single .lb-prev,
.lightbox.single .lb-next { display: none; }

/* ---------- Forma za upite ---------- */

/* Atribut hidden mora da pobedi i kad element ima svoj display. */
[hidden] { display: none !important; }

.inquiry-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.field label {
  display: block;
  margin-bottom: .3rem;
  font-weight: 600;
}

.field input,
.field textarea {
  width: 100%;
  padding: .75rem .9rem;
  font: inherit;
  color: var(--text);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.field textarea { min-height: 7rem; resize: vertical; }

.field input:focus-visible,
.field textarea:focus-visible {
  outline: 3px solid var(--text);
  outline-offset: 2px;
  border-color: var(--text);
}

/* Skriveno polje za robote; ljudi ga ne vide ni ne pronalaze tasterom Tab. */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.inquiry-form .btn { justify-self: start; }
.btn:disabled { opacity: .6; cursor: wait; }

/* Dugmad za kontakt: mejl, WhatsApp i Viber */

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--text);
  padding: calc(.85rem - 2px) calc(1.6rem - 2px);
}

.btn-outline:hover {
  background: var(--text);
  color: var(--white);
}

.form-status p {
  margin: 0;
  padding: .75rem 1rem;
  border-radius: 8px;
}

.form-sending { background: var(--surface); }
.form-ok { background: #dcebd8; }
.form-error { background: #f3d9d6; }

/* ---------- Podnožje ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0;
  text-align: center;
  color: var(--muted);
  font-size: .95rem;
}

.site-footer .footer-logo { height: 72px; width: auto; margin: 0 auto 1rem; }

.social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--text);
  margin-bottom: 1rem;
}
.social:hover { background: var(--surface); }
.social svg { width: 24px; height: 24px; }

.site-footer p { margin: 0; }

/* ---------- Podnožje: linkovi i kontakt ---------- */

.footer-nav ul {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .25rem 1.25rem;
}

.footer-nav a {
  display: inline-block;
  padding: .45rem 0;
  text-underline-offset: 3px;
}

.site-footer .footer-contact { margin-bottom: .5rem; }
.footer-contact a { font-weight: 600; text-underline-offset: 3px; }
.site-footer .footer-area { margin-bottom: .75rem; }

/* ---------- Područje isporuke (početna) ---------- */

.area-label {
  font-weight: 600;
  margin: 1.25rem 0 .5rem;
}

.area-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.area-list li {
  background: var(--surface);
  border-radius: 999px;
  padding: .35rem .9rem;
}

/* ---------- Česta pitanja ---------- */

.faq { display: grid; gap: 1rem; }

.faq-item {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.faq-item h2 {
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  margin-bottom: .5rem;
}

.faq-item p { margin: 0; color: var(--muted); }

.faq-more { text-align: center; margin: .5rem 0 0; }
.faq-more a { font-weight: 600; text-underline-offset: 3px; }