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

body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    color: #222;
}

/* ============================================
   HEADER
   ============================================ */
header {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: white;
    padding: 16px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 20px;
    font-weight: bold;
    color: #4fc3f7;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

nav a:hover {
    color: #4fc3f7;
}

/* ============================================
   MAIN & SEKCIJE
   ============================================ */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px;
}

.sekcija {
    padding: 40px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    background: white;
}

.sekcija.tamna {
    background: #1a1a2e;
}

.sekcija h2 {
    font-size: 22px;
    margin-bottom: 8px;
    color: #1a1a2e;
}

.sekcija.tamna h2 {
    color: #4fc3f7;
}

.opis {
    font-size: 13px;
    color: #888;
    margin-bottom: 24px;
}

.sekcija.tamna .opis {
    color: #666;
}

/* ============================================
   FLEXBOX KONTEJNER
   ============================================ */
.flex-container {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

/* ============================================
   SLIKE
   ============================================ */
.media-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background: #ddd;
}

.media-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}

.media-item:hover img {
    transform: scale(1.05);
}

.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    padding: 12px;
    color: white;
    font-size: 14px;
    font-weight: bold;
}

/* ============================================
   VIDEO
   ============================================ */
.video-wrap {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 10px;
    background: #000;
}

.video-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

.video-naslov {
    text-align: center;
    color: #aaa;
    font-size: 13px;
    margin-top: 8px;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: #1a1a2e;
    color: #555;
    text-align: center;
    padding: 20px;
    font-size: 13px;
    border-top: 1px solid #2a2a4e;
}

/* ============================================
   BREAKPOINT 1 - MOBILE (do 576px)
   Sve u jednom stupcu, originalni redoslijed
   ============================================ */
.slike-flex .slika-1 { order: 1; flex: 0 0 100%; }
.slike-flex .slika-2 { order: 2; flex: 0 0 100%; }
.slike-flex .slika-3 { order: 3; flex: 0 0 100%; }

.video-flex .video-1 { order: 1; flex: 0 0 100%; }
.video-flex .video-2 { order: 2; flex: 0 0 100%; }
.video-flex .video-3 { order: 3; flex: 0 0 100%; }

/* ============================================
   BREAKPOINT 2 - TABLET (576px - 992px)
   Dva stupca, redoslijed promijenjen:
   Slike: 2 → 1 → 3
   Videi: 3 → 1 → 2
   ============================================ */
@media (min-width: 576px) {

    .sekcija h2 { font-size: 26px; }

    .slike-flex .slika-1 { order: 2; flex: 0 0 calc(50% - 8px); }
    .slike-flex .slika-2 { order: 1; flex: 0 0 calc(50% - 8px); }
    .slike-flex .slika-3 { order: 3; flex: 0 0 100%; }

    .video-flex .video-1 { order: 2; flex: 0 0 calc(50% - 8px); }
    .video-flex .video-2 { order: 3; flex: 0 0 calc(50% - 8px); }
    .video-flex .video-3 { order: 1; flex: 0 0 100%; }

    .media-item img { height: 220px; }
}

/* ============================================
   BREAKPOINT 3 - DESKTOP (992px+)
   Tri stupca u redu, redoslijed:
   Slike: 3 → 1 → 2
   Videi: 2 → 3 → 1
   ============================================ */
@media (min-width: 992px) {

    main { padding: 20px; }

    .sekcija { padding: 50px 30px; }
    .sekcija h2 { font-size: 30px; }

    .slike-flex .slika-1 { order: 2; flex: 0 0 calc(33.333% - 11px); }
    .slike-flex .slika-2 { order: 3; flex: 0 0 calc(33.333% - 11px); }
    .slike-flex .slika-3 { order: 1; flex: 0 0 calc(33.333% - 11px); }

    .video-flex .video-1 { order: 3; flex: 0 0 calc(33.333% - 11px); }
    .video-flex .video-2 { order: 1; flex: 0 0 calc(33.333% - 11px); }
    .video-flex .video-3 { order: 2; flex: 0 0 calc(33.333% - 11px); }

    .media-item img { height: 240px; }

    .logo { font-size: 24px; }
    nav a { font-size: 15px; }
}