:root {
    --primary-color: #1e3a8a;
    --secondary-color: #0ea5e9;
    --accent-color: #f59e0b;
    --text-color: #1e293b;
    --light-bg: #f8fafc;
    --navy-blue: #0f172a;
    --success-color: #10b981;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    position: relative;
}
.navbar {
    background: rgba(30, 58, 138, 0.95) !important;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Modifikasi untuk navbar container agar tombol hamburger di samping */
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
}

/* Modifikasi untuk navbar brand dan toggler wrapper */
.navbar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: #fff !important;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    margin-right: 1rem;
    flex: 1;
    display: flex; /* Added for logo alignment */
    align-items: center; /* Added for logo alignment */
}

.navbar-brand img {
    height: 40px; /* Adjust as needed */
    margin-right: 10px;
}

/* Modifikasi untuk tombol hamburger agar selalu terlihat di samping */
.navbar-toggler {
    border: 2px solid rgba(255,255,255,0.3);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    margin-left: auto;
}

.navbar-toggler:hover {
    border-color: var(--accent-color);
    background-color: rgba(245, 158, 11, 0.1);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 1.5em;
    height: 1.5em;
}

/* Modifikasi untuk collapse navbar */
.navbar-collapse {
    width: 100%;
    margin-top: 1rem;
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
    .navbar-brand {
        font-size: 1.2rem;
        margin-right: 0.5rem;
    }
    
    .navbar-toggler {
        padding: 0.4rem 0.6rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1rem;
    }
    
    .navbar-toggler {
        padding: 0.3rem 0.5rem;
    }
    
    .navbar-toggler-icon {
        width: 1.2em;
        height: 1.2em;
    }
}

.navbar-nav .nav-link {
    color: #fff !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--accent-color) !important;
    transform: translateY(-2px);
}
.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 80%;
}
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,192L48,208C96,224,192,256,288,245.3C384,235,480,181,576,181.3C672,181,768,235,864,234.7C960,235,1056,181,1152,165.3C1248,149,1344,171,1392,181.3L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}
.hero-content {
    position: relative;
    z-index: 2;
}
.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}
.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
}
.btn-hero {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}
.btn-hero:hover {
    background: #d97706;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(245, 158, 11, 0.4);
}
section {
    padding: 80px 0;
}
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    transform: translateX(-50%);
    border-radius: 2px;
}
.about-section {
    background: var(--light-bg);
}
.about-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(52, 152, 219, 0.1);
}
.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
    border-color: var(--secondary-color);
}
.about-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

/* Styling untuk bagian Armada */
.armada-section {
    background: white;
}

.armada-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(52, 152, 219, 0.1);
    overflow: hidden;
    position: relative;
}

.armada-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
    border-color: var(--secondary-color);
}

.armada-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 20px 20px 0 0;
}

.armada-content {
    padding: 2rem;
}

.armada-number {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
}

.armada-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.armada-type {
    background: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.armada-description {
    color: #6b7280;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.armada-specs {
    margin-bottom: 1.5rem;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--light-bg);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.spec-row:hover {
    background: #e0f2fe;
    transform: translateX(5px);
}

.spec-label {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.spec-value {
    font-weight: 700;
    color: var(--text-color);
    font-size: 0.9rem;
}

.btn-detail {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
    font-size: 0.9rem;
}

.btn-detail:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}

.services-section {
    background: var(--light-bg);
}
.service-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(52, 152, 219, 0.1);
}
.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
    border-color: var(--secondary-color);
}
.service-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}
.feedback-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}
.feedback-form {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}
.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 15px;
    font-size: 1rem;
    transition: all 0.3s ease;
}
.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}
.btn-submit {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    width: 100%;
}
.btn-submit:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);
}
.contact-section {
    background: var(--navy-blue);
    color: white;
}
.contact-info {
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}
.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}
.contact-icon {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-right: 1rem;
    width: 40px;
    text-align: center;
}
.footer {
    background: #1a252f;
    color: white;
    padding: 2rem 0;
    text-align: center;
}
.floating-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    transform: scale(0);
}
.floating-btn.show {
    opacity: 1;
    transform: scale(1);
}
.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(245, 158, 11, 0.4);
}
.company-profile {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: 20px;
    padding: 3rem;
    margin-top: 3rem;
    position: relative;
    overflow: hidden;
}
.company-profile::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-left: 8px;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.notification {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border-radius: 10px;
    opacity: 0;
    transform: translateX(120%);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}
.notification.show {
    opacity: 1;
    transform: translateX(0);
}
.stats-section {
    background: var(--primary-color);
    color: white;
    padding: 4rem 0;
    margin: 2rem 0;
}
.stat-item {
    text-align: center;
    padding: 2rem;
}
.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}
.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}
/* Styling untuk Page Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1e3a8a; /* Menggunakan --primary-color */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    transition: opacity 0.8s ease;
}

.page-loader.hidden {
    opacity: 0;
    pointer-events: none; /* Mencegah interaksi setelah disembunyikan */
}

.loader-content {
    text-align: center;
    color: white;
}

.loader-ship {
    font-size: 4rem;
    color: #f59e0b; /* Menggunakan --accent-color */
    margin-bottom: 1rem;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}
@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .section-title { font-size: 2rem; }
    .about-card, .service-card, .feedback-form { padding: 2rem; }
    .armada-content { padding: 1.5rem; }
    .armada-image { height: 200px; }
}