/* Veliko otvaranje (naslovnica). Sadržaj je vidljiv od prvog framea: nijedan element s tekstom nema nultu neprozirnost.
   Animacije su samo transform/opacity na dekoraciji (crta, pruga preko gumba, halo čipa). */

.eh-otvaranje {
  position: relative;
  background:
    radial-gradient(ellipse 80% 70% at 50% 0%, rgba(201, 152, 26, 0.16), rgba(201, 152, 26, 0) 70%),
    var(--bg-card);
  border-bottom: 1px solid var(--border);
  min-height: 372px;
  text-align: center;
}
.eh-otvaranje__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 720px;
  padding-top: 32px;
  padding-bottom: 28px;
}

.eh-otvaranje__eyebrow { margin: 0 0 10px; }

.eh-otvaranje__naslov {
  font-size: clamp(32px, 9vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  min-height: 1.05em;
  color: var(--text);
}

.eh-otvaranje__crta {
  display: block;
  width: 56px;
  height: 2px;
  margin: 14px 0 16px;
  background: var(--gold);
  transform-origin: left;
  animation: eh-otvaranje-crta 700ms var(--ease) 150ms both;
}

.eh-otvaranje__tekst {
  margin: 0 0 20px;
  max-width: 34ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.45;
  color: var(--text-muted);
}

/* gumb: pruga sjaja klizi preko, pa pauza */
.eh-otvaranje__cta {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 360px;
  min-height: 48px;
}
.eh-otvaranje__cta::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 40%;
  background: linear-gradient(100deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.38) 50%, rgba(255, 255, 255, 0) 100%);
  transform: translateX(-120%) skewX(-18deg);
  pointer-events: none;
  will-change: transform;
  animation: eh-otvaranje-sjaj 4.5s linear 1.2s infinite;
}

/* kod: čip + gumb Kopiraj */
.eh-otvaranje__kodred {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}
.eh-otvaranje__kod {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.eh-otvaranje__kod strong {
  color: var(--gold-bright);
  font-weight: 700;
  letter-spacing: 0.12em;
  user-select: all;
  -webkit-user-select: all;
}
.eh-otvaranje__kod::before {
  content: "";
  position: absolute;
  inset: -1px;
  border: 1px solid var(--gold);
  border-radius: inherit;
  box-shadow: 0 0 14px rgba(201, 152, 26, 0.45);
  opacity: 0.35;
  pointer-events: none;
  animation: eh-otvaranje-dah 3s ease-in-out infinite alternate;
}
.eh-otvaranje__kopiraj {
  min-height: 44px;
  min-width: 96px;
  padding: 0 16px;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  background: transparent;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}
.eh-otvaranje__kopiraj:hover { background: rgba(201, 152, 26, 0.12); }

.eh-otvaranje__napomena {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.4;
  color: var(--text-faint);
}

@keyframes eh-otvaranje-crta {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@keyframes eh-otvaranje-sjaj {
  0% { transform: translateX(-120%) skewX(-18deg); }
  35% { transform: translateX(220%) skewX(-18deg); }
  100% { transform: translateX(220%) skewX(-18deg); }
}
@keyframes eh-otvaranje-dah {
  from { opacity: 0.35; }
  to { opacity: 0.9; }
}

@media (min-width: 768px) {
  .eh-otvaranje { min-height: 410px; }
  .eh-otvaranje__inner { padding-top: 44px; padding-bottom: 40px; }
  .eh-otvaranje__tekst { font-size: 16px; max-width: 44ch; }
}

@media (prefers-reduced-motion: reduce) {
  .eh-otvaranje__crta { animation: none; transform: scaleX(1); }
  .eh-otvaranje__cta::after { animation: none; display: none; }
  .eh-otvaranje__kod::before { animation: none; opacity: 0.6; }
  .eh-otvaranje * { transition: none; }
}