/* Body menggunakan Helvetica/Arial (Default Tailwind/Browser) */
body { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #374151; line-height: 1.6; overflow-x: hidden; }

/* Font Heading Khusus menggunakan Montserrat */
h1, h2, h3, h4, h5, h6, .font-heading { font-family: 'Montserrat', sans-serif; letter-spacing: -0.5px; }

/* Branding Colors */
.bg-teltonika { background-color: #0054A6; }
.text-teltonika { color: #0054A6; }
.border-teltonika { border-color: #0054A6; }
.hover-teltonika:hover { color: #003870; } 

/* Custom Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #0054A6; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #003d7a; }

/* Slider Styles */
.slide { transition: opacity 0.8s ease-in-out; }
.slide.active-slide { opacity: 1; z-index: 10; }
.slide:not(.active-slide) { opacity: 0; z-index: 0; }

.slide-content { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out 0.3s; }
.slide.active-slide .slide-content { opacity: 1; transform: translateY(0); }

.video-overlay { background: linear-gradient(to top, rgba(0,0,0,0.9), transparent); }

/* TAB STYLE: SOLUSI BISNIS (Vertical Tabs) */
.biz-tab-btn {
    background-color: #f3f4f6;
    color: #4b5563;
    border-left: 4px solid transparent;
    transition: all 0.3s ease;
}
.biz-tab-btn:hover { background-color: #e5e7eb; }
.biz-tab-btn.active {
    background-color: #eff6ff;
    border-left: 4px solid #0054A6;
    color: #0054A6;
    font-weight: 700;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

/* TAB STYLE: PRODUK (Horizontal Tabs / Folder Style) */
.prod-filter-btn {
    background-color: #f3f4f6;
    color: #6b7280;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem 0.5rem 0 0;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    border-bottom: 2px solid #e5e7eb;
}
.prod-filter-btn:hover { background-color: #e5e7eb; color: #374151; }
.prod-filter-btn.active {
    background-color: #0054A6;
    color: white;
    border-bottom: 2px solid #0054A6;
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Tabs & Animations */
.tab-content { display: none; animation: fadeIn 0.5s; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Card Hover Effects */
.monitor-card, .product-card, article { transition: all 0.3s ease; border: 1px solid #e5e7eb; }
.monitor-card:hover, .product-card:hover, article:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); 
    border-color: #0054A6; 
}

/* Pulse Animation Button */
.play-btn-pulse { animation: pulse-white 2s infinite; }
@keyframes pulse-white {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(255, 255, 255, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

/* Navbar Transition */
#main-nav { transition: all 0.4s ease; }
#main-nav.scrolled { background-color: rgba(255, 255, 255, 0.98); backdrop-filter: blur(10px); box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); padding-top: 0; padding-bottom: 0; height: 70px; }
#main-nav.transparent { background-color: transparent; border-bottom: none; box-shadow: none; }

/* FAQ Accordion */
.faq-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; }
.faq-item.active .faq-content { max-height: 200px; }
.faq-icon { transition: transform 0.3s ease; }
.faq-item.active .faq-icon { transform: rotate(180deg); }

/* LOGO SLIDER ANIMATION (MARQUEE) */
.slider-track {
    display: flex;
    width: calc(250px * 10);
    animation: scroll 20s linear infinite;
}
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-250px * 5)); }
}
.logo-item { width: 250px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }