:root {
    --primary-color: #ff6600; /* Orange */
    --dark-bg: #1a1a1a;
    --header-height: 40px;
    --transition: all 0.4s ease;
}

/* --- FIX MOBILE OVERFLOW (Kunci Layar) --- */
html, body {
    font-family: 'Poppins', sans-serif;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden; /* Mencegah geser kanan-kiri */
    background-color: #f8f9fa;
    position: relative;
}

/* --- 1. Very Top Header --- */
.top-header {
    background-color: var(--dark-bg);
    color: white;
    min-height: var(--header-height);
    font-size: 11px;
    position: relative;
    z-index: 1031;
    display: flex;
    align-items: center;
    padding: 5px 0;
}

.top-header a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    margin-left: 15px;
}

.top-header a:hover { color: var(--primary-color); }

/* --- 2. Navbar Utama & LOGO Style --- */
.navbar {
    transition: var(--transition);
    padding: 15px 0;
    z-index: 1030;
    width: 100%;
    position: absolute; 
    top: var(--header-height);
    left: 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.6rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    transition: var(--transition);
}

/* Style Gambar Logo */
.navbar-brand img {
    height: 65px; /* Tinggi awal */
    width: auto;
    margin-right: 12px;
    transition: var(--transition);
}

.navbar-brand span.brand-text { color: white; }
.navbar-brand span.brand-text span { color: var(--primary-color); }

.nav-link {
    color: white !important;
    font-weight: 500;
    margin-left: 20px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.nav-link:hover { color: var(--primary-color) !important; }

/* --- Navbar Scrolled State (Saat Scroll) --- */
.navbar.scrolled {
    position: fixed;
    top: 0;
    background-color: white;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    padding: 8px 0;
}

/* Perubahan Logo saat Scroll */
.navbar.scrolled .navbar-brand img {
    height: 55px; /* Logo mengecil secara soft */
}

.navbar.scrolled .navbar-brand { font-size: 1.4rem; text-shadow: none; }
.navbar.scrolled .navbar-brand span.brand-text { color: black; }
.navbar.scrolled .nav-link { color: black !important; text-shadow: none; }
.navbar.scrolled .nav-link:hover { color: var(--primary-color) !important; }

/* Burger Menu Icon */
.navbar-toggler { border: none; padding: 0; }
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler-icon-custom {
    font-size: 1.5rem;
    color: white; 
}
.navbar.scrolled .navbar-toggler-icon-custom { color: black; }

/* Mobile Menu Adjustment */
@media (max-width: 991px) {
    .navbar-collapse {
        background: white;
        padding: 20px;
        border-radius: 8px;
        margin-top: 15px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }
    .nav-link {
        color: black !important;
        text-shadow: none;
        margin-left: 0;
        padding: 10px 0;
        border-bottom: 1px solid #f0f0f0;
    }
    
    /* Navbar Logic Mobile */
    .navbar { top: auto; margin-top: 0; }
    
    /* Logo di Mobile */
    .navbar-brand img {
        height: 60px;
    }
}

/* --- 3. Hero Section Carousel --- */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    margin-top: 0; 
}

.carousel-item { height: 100vh; min-height: 600px; }
.carousel-item img {
    object-fit: cover; height: 100%; width: 100%;
    filter: brightness(0.6);
}

.carousel-caption { bottom: 30%; z-index: 2; }

@media (max-width: 768px) {
    /* Mobile fixes for Hero */
    .carousel-caption { bottom: 40%; padding-bottom: 20px; }
    .carousel-caption h1 { font-size: 1.8rem; font-weight: 700; margin-bottom: 10px; }
    .carousel-caption p { font-size: 0.9rem; display: block !important; }
    .tracking-container { margin-top: -100px; }
    .top-header .contact-info { font-size: 10px; }
}

.carousel-indicators [data-bs-target] {
    width: 10px; height: 10px; border-radius: 50%;
    background-color: var(--primary-color); border: none; margin: 0 5px;
}

.carousel-control-prev-icon, .carousel-control-next-icon {
    background-color: var(--primary-color); padding: 20px;
    background-size: 50%, 50%; border-radius: 3px;
    clip-path: polygon(100% 0, 0 50%, 100% 100%);
}
.carousel-control-next-icon { clip-path: polygon(0 0, 100% 50%, 0 100%); }

/* --- 4. Glassmorphism Tracking Card --- */
.tracking-container {
    margin-top: -80px; position: relative; z-index: 100; padding: 0 15px;
}
.glass-card {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}
.btn-track {
    background-color: var(--primary-color); color: white; border: none; padding: 0 30px; font-weight: 600;
}
.btn-track:hover { background-color: #e55c00; color: white; }

/* --- 5. About Section --- */
.about-section { padding: 80px 0; background-color: #f9f9f9; }
.section-title { font-weight: 700; margin-bottom: 20px; position: relative; display: inline-block; }
.section-title::after { content: ''; display: block; width: 50px; height: 3px; background: var(--primary-color); margin: 10px auto; }

/* --- 6. Services Section --- */
.services-section { padding: 80px 0; }
.service-card {
    background: white; padding: 40px 30px; border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: var(--transition);
    border-bottom: 3px solid transparent; height: 100%;
}
.service-card i { font-size: 3rem; color: var(--primary-color); margin-bottom: 20px; transition: var(--transition); }
.service-card:hover { background-color: var(--primary-color); transform: translateY(-10px); color: white; }
.service-card:hover i, .service-card:hover h4, .service-card:hover p { color: white; }

/* --- 7. Clients (Parallax & Carousel) --- */
.clients-section {
    background-image: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('https://images.unsplash.com/photo-1578916171728-46686eac8d58?q=80&w=1974');
    background-attachment: fixed; background-size: cover; background-position: center;
    padding: 80px 0; color: white;
}
.logo-marquee { overflow: hidden; white-space: nowrap; position: relative; }
.logo-track { display: inline-block; animation: marquee 25s linear infinite; }
.client-logo { display: inline-block; font-size: 1.8rem; margin: 0 40px; color: rgba(255,255,255,0.6); cursor: pointer; transition: 0.3s; }
.client-logo:hover { color: var(--primary-color); transform: scale(1.1); }
.logo-marquee:hover .logo-track { animation-play-state: paused; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* --- 8. Networking (Map) --- */
.networking-section { 
    padding: 80px 0; 
    background: #fff; 
    text-align: center; 
}

/* Style untuk Image Peta agar responsif dan rapi */
.map-image {
    max-width: 100%;
    height: auto;
    /* Filter opsional agar gambar menyatu */
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.05));
}

/* --- 9. Footer --- */
footer { background-color: var(--dark-bg); color: white; padding: 60px 0 20px 0; }
footer h5 { color: var(--primary-color); margin-bottom: 20px; font-weight: 600; }
footer ul li { margin-bottom: 10px; }
footer ul li a { color: #ccc; text-decoration: none; transition: 0.3s; }
footer ul li a:hover { color: var(--primary-color); padding-left: 5px; }

/* --- Floating Buttons --- */
.float-btn {
    position: fixed; width: 50px; height: 50px; border-radius: 50%;
    text-align: center; line-height: 50px; color: white; font-size: 24px;
    z-index: 1000; box-shadow: 0 4px 10px rgba(0,0,0,0.3); transition: all 0.5s ease;
    opacity: 0; visibility: hidden; transform: translateY(20px);
}
.float-btn.show { opacity: 1; visibility: visible; transform: translateY(0); }
.wa-float { bottom: 30px; left: 30px; background-color: #25d366; }
.wa-float:hover { background-color: #128c7e; color: white; transform: translateY(-5px); }
.top-float { bottom: 30px; right: 30px; background-color: var(--primary-color); }
.top-float:hover { background-color: #333; color: white; transform: translateY(-5px); }

@media (max-width: 768px) {
    .glass-card { padding: 25px; }
    .top-header .contact-info { font-size: 9px; }
}


/* Additional styles for about, services and contact */
/* --- Page Hero (Untuk Halaman Sub-Menu) --- */
.page-hero {
    position: relative;
    height: 50vh; /* Tinggi lebih kecil dari Hero Home (100vh) */
    min-height: 400px;
    background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1578916171728-46686eac8d58?q=80&w=1974'); /* Image sama dgn clients-section */
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 0;
}

.page-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.breadcrumb {
    background: transparent;
    padding: 0;
    justify-content: center;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: white;
}

/* Penyesuaian Mobile untuk Page Hero */
@media (max-width: 768px) {
    .page-hero {
        height: 40vh;
        min-height: 300px;
    }
    .page-hero h1 {
        font-size: 2.5rem;
    }
}