/* Root variables for consistent theming */
:root {
    --primary-color: #0A58CA;
    --primary-darker: #08449E;
    --background-light: #F8F9FA;
    --background-dark: #121212;
}

/* Hero Backgrounds */
.hero-bg {
    position: relative;
    overflow: hidden;
}

.hero-bg iframe {
    pointer-events: none;
    width: 250%;
    height: 250%;
    top: -75%;
    left: -75%;
}

.hero-bg-about {
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../image/header/header_website.png');
    background-position: center;
    background-repeat: no-repeat;
}

.hero-bg-contact {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../image/header/header_website.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-bg-service {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../image/header/header_website.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-bg-product-detail {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1581093450021-4a7360e9a6b5?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1740&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-bg-solution {
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../image/header/header_website.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}


/* Timeline Styles */
.timeline-item::before {
    content: '';
    position: absolute;
    left: -0.875rem;
    top: 0;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;    
    background-color: var(--primary-color);
    border: 4px solid var(--background-light);
}

.dark .timeline-item::before {
    border-color: var(--background-dark);
}

/* Accordion Styles */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-button.open .accordion-icon {
    transform: rotate(180deg);
    transition: transform 0.3s ease-in-out;
}

/* Custom Utilities */
.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Responsive Improvements */
@media (max-width: 768px) {
    .hero-bg, .hero-bg-about, .hero-bg-contact {
        background-attachment: scroll;
    }
}

/* Smooth Transitions */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Focus Styles */
button:focus, a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-darker);
}

/* Animations */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Scroll-triggered Animations */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: none;
}

.animate-fade-in {
    opacity: 0;
}

.animate-fade-in-up {
    opacity: 0;
    transform: translateY(30px);
}

.animate-fade-in-down {
    opacity: 0;
    transform: translateY(-30px);
}

.animate-fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
}

.animate-fade-in-right {
    opacity: 0;
    transform: translateX(30px);
}

.animate-zoom-in {
    opacity: 0;
    transform: scale(0.9);
}

/* Header Scroll Effect */
#main-header.scrolled {
    background-color: rgba(248, 249, 250, 0.8); /* Light mode with transparency */
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.dark #main-header.scrolled {
    background-color: rgba(18, 18, 18, 0.8); /* Dark mode with transparency */
}

/* Premium Card Hover Effect */
.premium-card {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.premium-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.premium-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), hsla(217, 91%, 41%, 0.15), transparent 20%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none; /* Ensure the overlay doesn't block clicks */
}

.premium-card:hover::before {
    opacity: 1;
}

.dark .premium-card:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.dark .premium-card::before {
     background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), hsla(217, 91%, 41%, 0.25), transparent 30%);
}

/* Mobile Menu Overlay */
.mobile-menu-open, .dark.mobile-menu-open {
    overflow: hidden; /* Prevent body scroll when menu is open */
}

#mobile-menu-overlay {
    opacity: 0;
    transition: opacity 0.3s ease;
}

#mobile-menu-overlay.is-open {
    opacity: 1;
}

.mobile-nav-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    padding: 1rem 0;
}

#mobile-menu-overlay.is-open .mobile-nav-item {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu-overlay.is-open .mobile-nav-item:nth-child(1) { transition-delay: 100ms; }
#mobile-menu-overlay.is-open .mobile-nav-item:nth-child(2) { transition-delay: 150ms; }
#mobile-menu-overlay.is-open .mobile-nav-item:nth-child(3) { transition-delay: 200ms; }
#mobile-menu-overlay.is-open .mobile-nav-item:nth-child(4) { transition-delay: 250ms; }
#mobile-menu-overlay.is-open .mobile-nav-item:nth-child(5) { transition-delay: 300ms; }
/* Dark Mode Toggle Animation */
#dark-mode-toggle .material-icons-outlined {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

#dark-mode-toggle.toggled .material-icons-outlined {
    transform: rotate(360deg);
}

/* Underline animation for links */
.link-underline {
    position: relative;
    display: inline-block;
}

.link-underline::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: currentColor;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.link-underline:hover::after {
    width: 100%;
}