/* Reset i osnovne postavke */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: #0b0f19;
    color: #f3f4f6;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Flexbox Header i Footer */
.main-header {
    background-color: #111827;
    padding: 40px 20px;
    text-align: center;
    border-bottom: 2px solid #1f2937;
}

.main-header h1 {
    margin: 0;
    font-size: 2.5rem;
    color: #38bdf8;
}

.main-header p {
    margin: 10px 0 0 0;
    color: #9ca3af;
    font-size: 1.1rem;
}

.main-footer {
    background-color: #111827;
    text-align: center;
    padding: 20px;
    margin-top: auto;
    border-top: 2px solid #1f2937;
    color: #6b7280;
}

/* Glavni Flexbox Grid za kartice */
.flex-container {
    display: flex;
    flex-wrap: wrap; /* Omogućuje prebacivanje kartica u novi red na manjim ekranima */
    gap: 25px;
    padding: 40px 20px;
    justify-content: center; /* Centriranje kartica na sredinu ekrana */
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Stil same kartice (Flex stavka) */
.card {
    background-color: #1f2937;
    border: 1px solid #374151;
    border-radius: 12px;
    padding: 25px;
    width: calc(50% - 13px); /* Dvije kartice u redu na desktopu (uzimajući u obzir gap) */
    min-width: 280px; /* Sprječava da se kartica previše stisne */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card h2 {
    margin-top: 0;
    color: #f3f4f6;
    font-size: 1.4rem;
}

.card p {
    color: #9ca3af;
    line-height: 1.5;
    margin-bottom: 20px;
}

/* 3D Okruženje i Scena */
.scene {
    width: 100%;
    height: 180px;
    background-color: #111827;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    /* Ključno svojstvo: postavlja bazu za 3D perspektivu u ovoj sceni */
    perspective: 600px; 
    margin-bottom: 20px;
}

/* Osnovni 3D objekt */
.box {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border: 2px solid #60a5fa;
    border-radius: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    color: white;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    transform-style: preserve-3d; /* Zadržava elemente unutar kutije u 3D prostoru */
}

/* --- Efekti transformacija na Hover --- */

/* 1. Perspective Box */
.perspective-box {
    transform: perspective(200px) rotateX(30deg);
}
.card:hover .perspective-box {
    transform: perspective(200px) rotateX(60deg);
}

/* 2. Rotate Box */
.rotate-box {
    transform: rotateY(0deg);
}
.card:hover .rotate-box {
    transform: rotateY(180deg);
}

/* 3. Translate Box */
.translate-box {
    transform: rotateX(20deg) rotateY(20deg) translateZ(0px);
}
.card:hover .translate-box {
    transform: rotateX(20deg) rotateY(20deg) translateZ(60px);
    background: linear-gradient(135deg, #10b981, #047857);
    border-color: #34d399;
}

/* 4. Scale Box */
.scale-box {
    transform: rotateX(20deg) rotateY(-20deg) scale3d(1, 1, 1);
}
.card:hover .scale-box {
    transform: rotateX(20deg) rotateY(-20deg) scale3d(1.2, 1.2, 1.5);
}

/* Prikaz koda */
.code-preview {
    background-color: #0b0f19;
    color: #a7f3d0;
    padding: 10px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    text-align: center;
    overflow-x: auto;
}

/* ==========================================
   MEDIA QUERIES (Responzivnost)
   ========================================== */

/* Kada je ekran manji od 800px, kartice prelaze u širinu od 100% (jedna ispod druge) */
@media (max-width: 800px) {
    .card {
        width: 100%;
    }
    
    .main-header h1 {
        font-size: 2rem;
    }
}