/* -------------------------------------------------------
   Central Studio Apartments — školski primjer (HTML/CSS/JS)
-------------------------------------------------------- */

:root{
  --bg: #0b0c10;
  --panel: #12141b;
  --panel2: #0f1117;
  --text: #e9edf3;
  --muted: #aab3c2;
  --border: rgba(255,255,255,0.12);
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 18px;
  --radius2: 22px;
}

*{ box-sizing: border-box; }
html, body { height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, #171b28 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.5;
}

img{ max-width: 100%; height: auto; display: block; }
a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }
p{ margin: 0.5rem 0 1rem; }

.container{
  width: min(1100px, calc(100% - 2rem));
  margin-inline: auto;
}

.nowrap{ white-space: nowrap; }

.skip-link{
  position: absolute;
  left: -999px;
  top: 0;
  padding: 0.75rem 1rem;
  background: #fff;
  color: #000;
  border-radius: 12px;
  z-index: 9999;
}
.skip-link:focus{ left: 1rem; top: 1rem; }

.site-header{
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(11,12,16,0.7);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

.brand{
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.brand-link{
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.brand-mark{ font-size: 1.2rem; }
.brand-name{ font-size: 1.05rem; }

.nav{
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.nav a{
  padding: 0.45rem 0.65rem;
  border-radius: 12px;
  color: var(--muted);
}
.nav a:hover{
  color: var(--text);
  background: rgba(255,255,255,0.06);
  text-decoration: none;
}

.hero{
  padding: 3.4rem 0 1.4rem;
}
h1{ margin: 0 0 0.6rem; font-size: clamp(1.8rem, 2.6vw, 2.6rem); }
h2{ margin: 0 0 0.6rem; font-size: 1.35rem; }
h3{ margin: 0 0 0.45rem; font-size: 1.05rem; }

.lead{ color: var(--muted); max-width: 60ch; }

.section{ padding: 2.2rem 0; }
.section.compact{ padding: 1.3rem 0; }
.section-muted{
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cards{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}
@media (max-width: 820px){ .cards{ grid-template-columns: 1fr; } }

.card{
  background: rgba(18,20,27,0.75);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .18s ease, border-color .18s ease;
}
.card:focus-within, .card:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.22);
}

.card-media{
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--panel2);
}
.card-media img{ width: 100%; height: 100%; object-fit: cover; }

.badge{
  position: absolute;
  left: 0.9rem;
  top: 0.9rem;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  background: rgba(0,0,0,0.45);
  border: 1px solid rgba(255,255,255,0.16);
  color: var(--text);
  font-size: 0.85rem;
}

.card-body{ padding: 1rem 1rem 1.1rem; }
.card-title{ margin: 0 0 0.35rem; font-size: 1.2rem; }
.card-meta{
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
}
.card-actions{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 0.9rem;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.09);
  cursor: pointer;
  font-weight: 600;
}
.btn:hover{ background: rgba(255,255,255,0.12); text-decoration: none; }
.btn:focus{ outline: 2px solid rgba(255,255,255,0.35); outline-offset: 2px; }
.btn-ghost{ background: transparent; }

.grid-3{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
@media (max-width: 900px){ .grid-3{ grid-template-columns: 1fr; } }

.info-box{
  background: rgba(18,20,27,0.55);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.contact-form{
  margin-top: 1rem;
  max-width: 520px;
  background: rgba(18,20,27,0.55);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.field{ display: grid; gap: 0.4rem; margin-bottom: 0.85rem; }
label{ color: var(--muted); font-size: 0.95rem; }
input, textarea{
  width: 100%;
  padding: 0.75rem 0.85rem;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.25);
  color: var(--text);
}
input:focus, textarea:focus{
  outline: 2px solid rgba(255,255,255,0.28);
  outline-offset: 2px;
}

.hint{ color: var(--muted); font-size: 0.9rem; margin-top: 0.6rem; }
.muted{ color: var(--muted); }

.site-footer{
  border-top: 1px solid var(--border);
  padding: 1.2rem 0;
  margin-top: 2.2rem;
  background: rgba(11,12,16,0.55);
}
.footer-inner{
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-top{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.detail-grid{
  display: grid;
  grid-template-columns: 1.55fr 0.95fr;
  gap: 1.2rem;
  align-items: start;
}
@media (max-width: 920px){ .detail-grid{ grid-template-columns: 1fr; } }

.gallery{
  background: rgba(18,20,27,0.55);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.gallery-main{ aspect-ratio: 16 / 10; background: var(--panel2); }
.gallery-main img{ width: 100%; height: 100%; object-fit: cover; }

.gallery-thumbs{
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--border);
}
@media (max-width: 560px){ .gallery-thumbs{ grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.thumb{
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  cursor: pointer;
  background: var(--panel2);
}
.thumb img{ width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1 / 1; }
.thumb[aria-current="true"]{ border-color: rgba(255,255,255,0.35); }

.facts{ display: grid; gap: 1rem; }
.fact-card{
  background: rgba(18,20,27,0.55);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.fact-list{
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: grid;
  gap: 0.5rem;
}
.fact-list li{
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  background: rgba(0,0,0,0.18);
}
.fact-key{ color: var(--muted); }

.chip-row{ display: flex; flex-wrap: wrap; gap: 0.55rem; }
.chip{
  padding: 0.45rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.08);
  color: var(--text);
  font-size: 0.95rem;
}