/* Ultra-Premium Variables */
:root {
    --bg-main: #050505;
    --bg-surface: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --gradient-primary: linear-gradient(135deg, #ffffff 0%, #a1a1aa 100%);
    
    --font-sans: 'Inter', sans-serif;
    --font-display: 'Plus Jakarta Sans', sans-serif;
}

/* Reset - CRITICAL: No font-family here so FontAwesome works! */
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

/* Flexbox Body Fix ensures Footer always stays at bottom */
body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }

/* Premium Backgrounds */
.bg-pattern {
    position: fixed; inset: 0; z-index: -2;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 32px 32px;
}
.bg-glow {
    position: fixed; top: -10%; left: 50%; transform: translateX(-50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, rgba(0,0,0,0) 60%);
    z-index: -1; pointer-events: none; filter: blur(50px);
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.03em; }
.text-accent { color: var(--accent); }
.dot { color: var(--accent); }
.text-gradient { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* Navbar */
.navbar {
    background-color: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: fixed; top: 0; width: 100%; z-index: 1000; padding: 1rem 0;
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }

/* --- NOVI STILOVI ZA SLIKOVNI LOGO --- */
.logo-wrapper {
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}
.logo-wrapper:hover { transform: scale(1.05); }

.logo-img {
    height: 85px; /* Povećano sa 55px na 85px */
    width: auto;
    object-fit: contain;
}

/* Nav Links */
nav ul { display: flex; list-style: none; align-items: center; gap: 2.5rem; margin: 0; padding: 0; }

.nav-item {
    color: var(--text-secondary); text-decoration: none; font-size: 0.95rem; font-weight: 500;
    position: relative; transition: color 0.3s ease; padding: 5px 0;
}
.nav-item::after {
    content: ''; position: absolute; bottom: -5px; left: 50%; width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent); transform: scale(0) translateX(-50%); transition: transform 0.3s ease;
}
.nav-item:hover, .nav-item.active-link { color: var(--text-primary); }
.nav-item:hover::after, .nav-item.active-link::after { transform: scale(1) translateX(-50%); }

/* Perfected Dropdown */
.dropdown { position: relative; padding: 10px 0; cursor: pointer; }
.dropbtn { display: flex; align-items: center; gap: 8px; color: var(--text-secondary); text-decoration: none; font-weight: 500; transition: color 0.3s; }
.dropdown:hover .dropbtn { color: var(--text-primary); }
.dropbtn i { transition: transform 0.3s; }
.dropdown:hover .dropbtn i { transform: rotate(180deg); }

/* Bridge prevents hover loss */
.dropdown-bridge { position: absolute; top: 100%; left: 0; right: 0; height: 20px; z-index: 10; }

.dropdown-content {
    position: absolute; top: calc(100% + 15px); right: 0;
    min-width: 180px; padding: 8px; border-radius: 12px;
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 20; box-shadow: 0 20px 40px rgba(0,0,0,0.8);
}
.dropdown:hover .dropdown-content { opacity: 1; visibility: visible; transform: translateY(0); }

.dropdown-content a {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    color: var(--text-secondary); text-decoration: none; font-size: 0.9rem;
    border-radius: 8px; transition: all 0.2s; font-weight: 500;
}
.dropdown-content a:hover { background-color: rgba(255,255,255,0.08); color: var(--text-primary); padding-left: 20px; }

.glass-panel { background: rgba(20, 20, 22, 0.7); backdrop-filter: blur(20px); border: 1px solid var(--border-color); }
.mobile-menu-btn { display: none; font-size: 1.5rem; cursor: pointer; color: var(--text-primary); }

/* Main App Wrapper (Flex 1 pushes footer down) */
main#app-content { flex: 1; padding-top: 100px; display: flex; flex-direction: column; }
.page-view { display: none; animation: fadeIn 0.6s ease forwards; }
.page-view.active { display: block; flex: 1; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

/* Hero */
.hero { padding: 120px 0 60px; text-align: center; }
.pill-badge {
    display: inline-flex; align-items: center; gap: 10px;
    background: rgba(59, 130, 246, 0.1); border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 8px 24px; border-radius: 100px; font-size: 0.85rem; font-weight: 600;
    margin-bottom: 30px;
}
.hero h1 { font-size: 5.5rem; line-height: 1.1; margin-bottom: 24px; }
.hero p { font-size: 1.15rem; color: var(--text-secondary); max-width: 700px; margin: 0 auto 40px; line-height: 1.8; }

.hero-actions { display: flex; justify-content: center; gap: 20px; }
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 16px 32px; border-radius: 8px; font-size: 1rem; font-weight: 600;
    text-decoration: none; transition: all 0.3s; cursor: pointer;
}
.btn-primary { background: var(--text-primary); color: var(--bg-main); border: 1px solid transparent; }
.btn-primary:hover { background: transparent; color: var(--text-primary); border-color: var(--text-primary); box-shadow: 0 0 20px rgba(255,255,255,0.2); }
.btn-secondary { background: var(--bg-surface); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { background: rgba(255,255,255,0.05); border-color: var(--text-primary); transform: translateY(-2px); }

/* Stats Container (Using CSS Grid for perfect layout) */
.stats { padding: 40px 0; }
.stats-glass-container {
    display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center;
    background: var(--bg-surface); border: 1px solid var(--border-color);
    border-radius: 16px; padding: 40px; backdrop-filter: blur(12px);
}
.stat-block { text-align: center; }
.stat-icon { font-size: 1.8rem; color: var(--text-secondary); margin-bottom: 12px; }
.stat-block h3 { font-size: 3rem; margin-bottom: 4px; color: var(--text-primary); line-height: 1; }
.stat-block p { font-size: 0.85rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; }
.stat-divider { width: 1px; height: 60px; background: var(--border-color); margin: 0 auto; }

/* Features Section */
.features { padding: 80px 0; border-top: 1px solid var(--border-color); margin-top: 40px; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; margin-top: 60px; }
.feature-item { padding: 20px; }
.feature-icon { font-size: 2.5rem; color: var(--accent); margin-bottom: 20px; }
.feature-item h4 { font-size: 1.4rem; margin-bottom: 12px; color: var(--text-primary); }
.feature-item p { color: var(--text-secondary); line-height: 1.7; }

/* Services */
.services { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 60px; max-width: 800px; margin-left: auto; margin-right: auto; }
.subtitle { color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.85rem; margin-bottom: 12px; }
.section-header h2 { font-size: 3rem; margin-bottom: 20px; }
.section-desc { color: var(--text-secondary); font-size: 1.1rem; line-height: 1.7; }

.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.service-card { padding: 40px 30px; border-radius: 16px; position: relative; overflow: hidden; transition: all 0.4s; }
.service-card:hover { transform: translateY(-10px); border-color: var(--text-primary); }
.card-icon-wrapper {
    width: 60px; height: 60px; border-radius: 12px; background: rgba(59, 130, 246, 0.1);
    color: var(--accent); display: flex; justify-content: center; align-items: center;
    font-size: 1.8rem; margin-bottom: 24px; border: 1px solid rgba(59, 130, 246, 0.2);
    transition: transform 0.3s;
}
.service-card:hover .card-icon-wrapper { transform: scale(1.1) rotate(5deg); }
.service-card h3 { font-size: 1.4rem; margin-bottom: 12px; }
.service-card p { color: var(--text-secondary); line-height: 1.7; }

/* Contact Container */
.contact { padding: 80px 0 100px; }
.contact-glass-container {
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 50px;
    background: var(--bg-surface); border: 1px solid var(--border-color);
    border-radius: 24px; padding: 60px; backdrop-filter: blur(20px);
}
.contact-text { flex: 1; min-width: 300px; }
.contact-text h2 { font-size: 2.8rem; margin-bottom: 20px; line-height: 1.2; }
.contact-text p { color: var(--text-secondary); font-size: 1.1rem; line-height: 1.7; }

.contact-links { flex: 1; display: flex; flex-direction: column; gap: 20px; min-width: 300px; }
.contact-item {
    display: flex; align-items: center; gap: 20px; padding: 24px;
    background: rgba(0,0,0,0.3); border: 1px solid var(--border-color); border-radius: 16px;
    transition: all 0.3s ease; text-decoration: none;
}
.hover-lift:hover { transform: translateY(-5px); border-color: var(--accent); background: rgba(59, 130, 246, 0.05); }
.contact-icon {
    width: 50px; height: 50px; border-radius: 50%; background: var(--bg-main);
    border: 1px solid var(--border-color); display: flex; justify-content: center; align-items: center;
    font-size: 1.2rem; color: var(--text-primary); transition: 0.3s;
}
.hover-lift:hover .contact-icon { color: var(--accent); border-color: var(--accent); }
.contact-label { display: block; font-size: 0.8rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; margin-bottom: 6px; }
.contact-value { display: block; font-size: 1.15rem; color: var(--text-primary); font-weight: 500; }

/* Footer (Always at bottom) */
footer { flex-shrink: 0; padding: 40px 0; border-top: 1px solid var(--border-color); background: var(--bg-main); }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }

/* --- STIL ZA LOGO U FOOTER-u --- */
.footer-logo-img {
    height: 65px; /* Povećano sa 40px na 65px */
    width: auto;
    margin-right: 20px;
    object-fit: contain;
    opacity: 0.9;
    transition: opacity 0.3s;
}
.footer-logo-img:hover { opacity: 1; }

.footer-left { display: flex; align-items: center; color: var(--text-secondary); font-size: 0.95rem; }
.ai-branding { font-size: 0.85rem; color: var(--text-secondary); font-weight: 600; display: flex; align-items: center; gap: 8px; padding: 8px 16px; background: var(--bg-surface); border-radius: 100px; border: 1px solid var(--border-color); }
.ai-branding i { color: var(--accent); }

/* Visibility Animation Classes */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Responsive Adjustments */
@media (max-width: 900px) {
    .stats-glass-container { grid-template-columns: 1fr; gap: 20px; padding: 40px 20px; }
    .stat-divider { width: 100%; height: 1px; }
    .hero h1 { font-size: 4rem; }
}

@media (max-width: 768px) {
    .mobile-menu-btn { display: block; }
    
    nav#main-nav {
        position: absolute; top: 100%; left: 0; width: 100%; height: 100vh;
        background: rgba(5,5,5,0.98); backdrop-filter: blur(20px);
        display: none; flex-direction: column; padding: 20px; border-top: 1px solid var(--border-color);
    }
    nav#main-nav.active { display: flex; }
    nav ul { flex-direction: column; gap: 0; width: 100%; align-items: flex-start; }
    nav ul li { width: 100%; }
    .nav-item { display: block; font-size: 1.2rem; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .nav-item::after { display: none; }
    
    .dropdown { display: block; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .dropdown-content {
        position: static; opacity: 1; visibility: visible; transform: none;
        background: transparent; border: none; box-shadow: none; display: none; padding: 10px 0;
    }
    .dropdown.active .dropdown-content { display: block; }
    
    .hero { padding-top: 80px; }
    .hero h1 { font-size: 3.2rem; }
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; }
    
    .contact-glass-container { padding: 40px 20px; }
    .footer-content { flex-direction: column; text-align: center; }
    .footer-left { flex-direction: column; gap: 10px; }
}