/* podrzAVam.rs — stilovi. Mobile-first, bez spoljnih fontova i resursa. */

:root {
  --plava: #0b2d5c;
  --plava-tamna: #071f42;
  --plava-svetla: #1a4d8f;
  --crvena: #c6363c;
  --crvena-tamna: #a52a30;
  /* Zvanicni AV monogram (vucic.rs): A crveno, V plavo. Ne menjati bez potrebe —
     ovo su brend boje, ne dekoracija. */
  --av-crvena: #e1090a;
  --av-plava: #113386;
  --bela: #ffffff;
  --pozadina: #f7f8fa;
  --tekst: #1a2233;
  --tekst-blagi: #5a6478;
  --ivica: #e3e7ee;
  --radius: 14px;
  --senka: 0 4px 24px rgba(11, 45, 92, 0.08);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--tekst);
  background: var(--pozadina);
  line-height: 1.65;
}

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

.container {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}

/* ---------- Logo ---------- */

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--plava-tamna);
  text-decoration: none;
  white-space: nowrap;
}
/* Footer je jedina tamna povrsina — tamo je logotip beo. */
.logo-footer { color: var(--bela); }
.logo .av {
  font-weight: 800;
  font-size: 1.15em;
  letter-spacing: 0.01em;
}
.logo .tld { opacity: 0.55; font-weight: 400; font-size: 0.85em; }

/* ---------- AV monogram ---------- */

/* A i V nose zasebne brend boje, svuda gde se ime pojavljuje. */
.av .a { color: var(--av-crvena); }
.av .v { color: var(--av-plava); }

/* Brend plava (#113386) je na tamno plavoj podlozi nevidljiva (1.2:1), pa header
   i hero imaju svetlu pozadinu — monogram stoji direktno na njoj, bez plocice.
   Jedina preostala tamna povrsina je footer; tamo ide jednobojna, bela verzija
   logotipa (uobicajeno resenje za logo na tamnoj podlozi). */
.site-footer .av .a,
.site-footer .av .v { color: inherit; }

/* ---------- Header / navigacija (CSS-only, bez JS) ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bela);
  border-bottom: 1px solid var(--ivica);
  box-shadow: 0 2px 12px rgba(11, 45, 92, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 1rem;
  flex-wrap: wrap;
}
.nav-toggle { display: none; }
.nav-burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px;
  margin: -12px;
  cursor: pointer;
}
.nav-burger span {
  width: 24px;
  height: 2.5px;
  background: var(--plava-tamna);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.site-nav {
  display: none;
  flex-basis: 100%;
  flex-direction: column;
  padding-bottom: 0.75rem;
}
.nav-toggle:checked ~ .site-nav { display: flex; }
.nav-toggle:checked ~ .nav-burger span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle:checked ~ .nav-burger span:nth-child(2) { opacity: 0; }
.nav-toggle:checked ~ .nav-burger span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.site-nav a {
  color: var(--tekst-blagi);
  text-decoration: none;
  font-weight: 500;
  padding: 0.65rem 0.25rem;
  border-radius: 8px;
}
.site-nav a:hover { color: var(--plava-tamna); }
.site-nav a[aria-current="page"] {
  color: var(--plava-tamna);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--crvena);
}

/* prebacivač jezika */
.lang-switch {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.5rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--ivica);
}
.lang-switch a {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.6rem !important;
  border-radius: 8px;
  color: var(--tekst-blagi);
}
.lang-switch a[aria-current="true"] {
  color: var(--plava-tamna);
  background: var(--pozadina);
  box-shadow: none !important;
}

@media (min-width: 760px) {
  .nav-burger { display: none; }
  .site-nav {
    display: flex;
    flex-basis: auto;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0;
  }
  .site-nav a { padding: 0.5rem 0.85rem; }
  .lang-switch {
    margin-top: 0;
    margin-left: 0.75rem;
    padding-top: 0;
    border-top: none;
    border-left: 1px solid var(--ivica);
    padding-left: 0.85rem;
  }
}

/* ---------- Hero ---------- */

/* Bela pozadina, da monogram stoji na svojoj podlozi — kao na vucic.rs.
   Sekcija ispod je --pozadina (#f7f8fa), pa se prelaz vidi bez linije. */
.hero {
  background: var(--bela);
  color: var(--plava-tamna);
  padding: clamp(3.5rem, 10vw, 7rem) 0 clamp(3rem, 8vw, 6rem);
  text-align: center;
  overflow: hidden;
}
.hero-brand {
  font-size: clamp(2.6rem, 9vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.hero-brand .av {
  font-size: 1.12em;
}
.hero-brand .tld { opacity: 0.45; font-weight: 300; font-size: 0.55em; }
.hero-tagline {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 600;
  margin-top: 1.2rem;
}
.hero-sub {
  max-width: 620px;
  margin: 0.9rem auto 0;
  color: var(--tekst-blagi);
  font-size: clamp(0.95rem, 2.2vw, 1.1rem);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
  margin-top: 2.2rem;
}

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

.btn {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  min-height: 48px;
  line-height: 1.4;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--crvena);
  color: var(--bela);
  box-shadow: 0 6px 20px rgba(198, 54, 60, 0.35);
}
.btn-primary:hover { background: var(--crvena-tamna); }
.btn-ghost {
  background: transparent;
  color: var(--bela);
  border: 2px solid rgba(255, 255, 255, 0.4);
}
.btn-ghost:hover { border-color: var(--bela); }
.btn-outline {
  background: transparent;
  color: var(--plava);
  border: 2px solid var(--plava);
}
.btn-outline:hover { background: var(--plava); color: var(--bela); }

/* ---------- Sekcije ---------- */

.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section-alt { background: var(--bela); }
.section-dark {
  background: linear-gradient(160deg, var(--plava) 0%, var(--plava-tamna) 80%);
  color: var(--bela);
}
.section-dark .section-lead { color: rgba(255, 255, 255, 0.75); }

.section-title {
  font-size: clamp(1.6rem, 4.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-align: center;
}
/* Boje slova u naslovu dolaze iz `.av .a` / `.av .v` — bez posebnog pravila. */
.section-lead {
  max-width: 640px;
  margin: 0.9rem auto 0;
  text-align: center;
  color: var(--tekst-blagi);
  font-size: clamp(0.98rem, 2.2vw, 1.1rem);
}

/* ---------- Kartice ---------- */

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-top: 2.5rem;
}
@media (min-width: 640px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .cards-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--bela);
  border: 1px solid var(--ivica);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--senka);
}
.section-dark .card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}
.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.card p { color: var(--tekst-blagi); font-size: 0.97rem; }
.section-dark .card p { color: rgba(255, 255, 255, 0.72); }

.card-icon {
  width: 42px;
  height: 42px;
  flex: none;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--plava), var(--plava-svetla));
  color: var(--bela);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
}

/* ---------- Koraci ---------- */

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-top: 2.5rem;
  counter-reset: korak;
}
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }

.step {
  position: relative;
  background: var(--bela);
  border: 1px solid var(--ivica);
  border-radius: var(--radius);
  padding: 2rem 1.6rem 1.6rem;
  box-shadow: var(--senka);
}
.step::before {
  counter-increment: korak;
  content: counter(korak);
  position: absolute;
  top: -1.1rem;
  left: 1.4rem;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--crvena);
  color: var(--bela);
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 14px rgba(198, 54, 60, 0.4);
}
.step h3 { margin-bottom: 0.45rem; font-size: 1.1rem; }
.step p { color: var(--tekst-blagi); font-size: 0.95rem; }

/* ---------- Značke i trake ---------- */

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-uskoro { background: #ffedd5; color: #9a3412; }
.badge-plava { background: #dbeafe; color: var(--plava); }

.notice {
  border-radius: var(--radius);
  padding: 1.1rem 1.4rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.notice-draft {
  background: #fff7ed;
  border: 1px solid #fdba74;
  color: #9a3412;
  font-weight: 600;
}
.notice-info {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: var(--plava);
}

/* ---------- Prose (tekstualne strane) ---------- */

.prose {
  max-width: 760px;
  margin-inline: auto;
}
.prose h1 {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}
.prose h2 { font-size: 1.35rem; margin: 2.2rem 0 0.6rem; }
.prose h3 { font-size: 1.1rem; margin: 1.6rem 0 0.4rem; }
.prose p, .prose li { color: var(--tekst-blagi); }
.prose p { margin-bottom: 0.9rem; }
.prose ul, .prose ol { padding-left: 1.4rem; margin-bottom: 0.9rem; }
.prose li { margin-bottom: 0.35rem; }
.prose strong { color: var(--tekst); }
.prose a { color: var(--plava-svetla); }
.page-head {
  background: var(--bela);
  border-bottom: 1px solid var(--ivica);
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(1.8rem, 4vw, 2.6rem);
}
.page-head h1 {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  letter-spacing: -0.01em;
}
.page-head p { color: var(--tekst-blagi); margin-top: 0.5rem; max-width: 640px; }

/* ---------- Store bedževi ---------- */

.store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: center;
  margin-top: 1.8rem;
}
.store-badge {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  background: #10182b;
  color: var(--bela);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  padding: 0.6rem 1.2rem;
  text-decoration: none;
  min-height: 56px;
  opacity: 0.75;
}
.store-badge small { display: block; font-size: 0.68rem; opacity: 0.7; line-height: 1.2; }
.store-badge strong { font-size: 1rem; line-height: 1.2; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--plava-tamna);
  color: rgba(255, 255, 255, 0.75);
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 3rem 0 2rem;
}
@media (min-width: 760px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
.footer-brand p { font-size: 0.92rem; margin-top: 0.7rem; }
.logo-footer { font-size: 1.2rem; }
.footer-nav { display: flex; flex-direction: column; gap: 0.45rem; }
.footer-nav h3 {
  color: var(--bela);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}
.footer-nav a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.15rem 0;
}
.footer-nav a:hover { color: var(--bela); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.2rem 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- Pomoćno ---------- */

.center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.section-cta { text-align: center; margin-top: 2.5rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}