.whatsapp-float {
            position: fixed;
            bottom: 25px;
            right: 25px;
            z-index: 1000;
            width: 60px;
            height: 60px;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: transform 0.3s ease;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
        }

        .whatsapp-float img {
            width: 60px;
            height: 60px;
        }

        .whatsapp-float a {
            display: block;
            width: 100%;
            height: 100%;
            text-decoration: none;
        }

 /* Navbar Styling */
 #mainNavbar {
    height: 100px;
    background-color: #f8f9fa;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    box-shadow: none;
    z-index: 1000;
}

#mainNavbar.scrolled {
    height: 80px;
    background-color: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

/* Navbar brand */
.navbar-brand {
    font-size: 1.5rem;
    color: #333 !important;
}

/* Navbar links */
.navbar-nav .nav-link {
    color: #333 !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #007bff !important;
}

/* Navbar collapse animation */
.navbar-collapse {
    transition: all 0.3s ease;
}


/* Hero Section */
#heroCarousel {
    padding-top: 100px;
    transition: padding-top 0.3s ease;
}

#mainNavbar.scrolled+#heroCarousel {
    padding-top: 70px;
}

.hero-slide-img {
    /* height: 80vh; */
    width: 100%;
    /* object-fit: cover; */
}

/* Carousel indicators - hidden by default, shown on mobile */
.carousel-indicators {
    display: none;
}

/* Carousel controls */
#heroCarousel .carousel-control-prev,
#heroCarousel .carousel-control-next {
    opacity: 0;
    transition: opacity 0.3s ease;
    align-items: center;
    justify-content: center;
    display: flex;
    padding-top: 70px;
    width: 80px;
}

#heroCarousel:hover .carousel-control-prev,
#heroCarousel:hover .carousel-control-next {
    opacity: 1;
}

/* Carousel control icons */
.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    background-size: 60%;
    background-position: center;
    background-repeat: no-repeat;
    backdrop-filter: blur(3px);
    transition: background-color 0.3s ease;
}

.carousel-control-prev-icon {
    background-image: url("data:image/svg+xml,%3Csvg fill='%23000' viewBox='0 0 16 16' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z'/%3E%3C/svg%3E");
}

.carousel-control-next-icon {
    background-image: url("data:image/svg+xml,%3Csvg fill='%23000' viewBox='0 0 16 16' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}

.carousel-control-prev-icon:hover,
.carousel-control-next-icon:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

/* Client logos - grayscale effect */
.client-logo {
    height: 200px;
    object-fit: contain;
    filter: grayscale(100%);
    transition: all 0.3s ease;
    opacity: 0.7;
}

.client-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.1);
}

/* Button styling */
.btn-dark {
    background-color: #333;
    border-color: #333;
    transition: all 0.3s ease;
}

.btn-dark:hover {
    background-color: #555;
    border-color: #555;
    transform: translateY(-2px);
}

/* Section styling */
.section-title {
    font-weight: 600;
    margin-bottom: 2rem;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100px;
    height: 3px;
    background: linear-gradient(45deg, #3498db, #2ecc71);
}

.section-title-center {
    font-weight: 600;
    margin-bottom: 2rem;
    color: #333;
    position: relative;
    text-align: center;
    font-size: 2rem; /* ukuran desktop */
}

.section-title-center::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 130px;
    height: 3px;
    background: linear-gradient(45deg, #3498db, #2ecc71);
    border-radius: 3px;
}

/* Responsive tablet */
@media (max-width: 768px) {
    .section-title-center {
        font-size: 1.5rem;
    }

    .section-title-center::after {
        width: 90px;
    }
}

/* Responsive mobile */
@media (max-width: 576px) {
    .section-title-center {
        font-size: 1.3rem;
    }

    .section-title-center::after {
        width: 60px;
    }
}


/* Profile image */
.profile-img {
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

/* Blog section styling */
.blog-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-card-content {
    padding: 1.5rem;
}

.blog-card .btn {
    background: linear-gradient(45deg, #3498db, #2ecc71);
    border: none;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.blog-card .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

/* Swiper customization */
.swiper {
    padding: 20px 0;
}

.swiper-pagination-bullet {
    background: #3498db;
    opacity: 0.7;
}

.swiper-pagination-bullet-active {
    background: #2ecc71;
    opacity: 1;
}

.swiper-button-next,
.swiper-button-prev {
    color: #3498db;
}

/* Footer */
footer {
    background-color: #222 !important;
}

footer h5,
footer h6 {
    color: #fff;
}

footer p {
    color: #ccc;
}

@media (min-width: 769px) and (max-width: 1024px) {
    .client-logo {
        height: 100px;
    }

    .navbar-nav {
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(8px);
        border-radius: 10px;
        padding: 1rem;
        margin-top: 1rem;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {

    .client-logo {
        height: 100px;
    }

    #mainNavbar {
        height: 90px;
    }

    #mainNavbar.scrolled {
        height: 80px;
    }

    #heroCarousel {
        padding-top: 80px;
    }

    #mainNavbar.scrolled+#heroCarousel {
        padding-top: 60px;
    }

    .hero-slide-img {
        width: 100% !important;
    }

    .carousel-indicators {
        display: flex !important;
        justify-content: center;
        bottom: 20px;
    }

    .carousel-control-prev-icon,
    .carousel-control-next-icon {
        width: 36px;
        height: 36px;
        background-size: 50%;
    }

    .navbar-brand {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    /* Mobile menu styling */
    .navbar-toggler {
        border: none;
        padding: 0.25rem 0.5rem;
    }

    .navbar-toggler:focus {
        box-shadow: none;
    }

    .navbar-nav {
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(8px);
        border-radius: 10px;
        padding: 1rem;
        margin-top: 1rem;
    }

    .navbar-nav .nav-link {
        padding: 0.75rem 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
}

@media (max-width: 576px) {
    .hero-slide-img {
        width: 100% !important;
    }

    .profile-img {
        margin-top: 2rem;
    }

    .col-4 {
        margin-bottom: 1rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation for images */
img {
    transition: opacity 0.3s ease;
}

img:not([src]) {
    opacity: 0;
}

/* Accessibility improvements */
.btn:focus,
.nav-link:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* Performance optimization */
.carousel-item {
    transform: translateZ(0);
    backface-visibility: hidden;
}