:root {
    --primary-color: #0B3C5D;
    --secondary-color: #D9A426;
    --bg-light: #f4f6f8;
    --text-color: #333333;
    --white: #ffffff;
    --transition: all 0.3s ease-in-out;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-color);
    line-height: 1.6;
}

/* Header & Nav */
header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-container img {
    height: 50px;
    transition: var(--transition);
}

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

.logo-container span {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

nav a {
    color: var(--white);
    text-decoration: none;
    margin-left: 25px;
    font-size: 15px;
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
    transition: var(--transition);
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    bottom: 0;
    left: 0;
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

nav a:hover {
    color: var(--secondary-color);
}

#hamburger {
    display: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--white);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(11,60,93,0.85), rgba(11,60,93,0.85)), url("https://images.unsplash.com/photo-1552664730-d307ca884978") no-repeat center center/cover;
    color: var(--white);
    padding: 150px 20px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-content {
    max-width: 900px;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: 52px;
    margin-bottom: 25px;
    line-height: 1.2;
    font-weight: 700;
}

.hero p {
    font-size: 18px;
    opacity: 0.95;
    margin-bottom: 40px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-primary, .btn-secondary {
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--white);
    border-color: var(--secondary-color);
    box-shadow: 0 4px 15px rgba(217, 164, 38, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(11, 60, 93, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Sections General */
section {
    padding: 80px 8%;
    background-color: var(--white);
}

.bg-light {
    background-color: var(--bg-light);
}

section h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 32px;
    margin-bottom: 50px;
    position: relative;
    font-weight: 700;
}

section h2::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.container-narrow {
    max-width: 800px;
    margin: auto;
    text-align: center;
}

.container-narrow p {
    margin-bottom: 20px;
    font-size: 17px;
    color: #555;
}

/* Tabs for Services */
.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 25px;
    border: none;
    background-color: var(--bg-light);
    color: var(--text-color);
    font-size: 16px;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active, .tab-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 10px rgba(11, 60, 93, 0.3);
}

.tab-content {
    display: none;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.tab-content.active {
    display: grid;
    opacity: 1;
}

/* Cards */
.card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: var(--transition);
    text-align: center;
    border: 1px solid #eaeaea;
}

.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: var(--secondary-color);
}

.service-icon {
    width: 70px;
    height: 70px;
    object-fit: contain;
    margin-bottom: 20px;
    transition: var(--transition);
}

.card:hover .service-icon {
    transform: scale(1.1);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 22px;
}

.card p {
    color: #666;
    font-size: 15px;
}

/* Sectors */
.sectors, .why {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.hover-card {
    font-weight: 600;
    font-size: 18px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}

/* Features */
.feature-icon {
    font-size: 40px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.feature-card h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 20px;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color), #052236);
    color: var(--white);
    text-align: center;
    padding: 80px 10%;
}

.cta h2 {
    color: var(--white);
}

.cta h2::after {
    background: var(--white);
}

.cta p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

/* Footer */
footer {
    background-color: #052236;
    color: var(--white);
    text-align: center;
    padding: 50px 20px 30px;
}

.footer-logo img {
    height: 60px;
    margin-bottom: 20px;
}

footer p {
    margin: 10px 0;
    color: #aaa;
}

/* Float WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    z-index: 1000;
}

.whatsapp-float img {
    width: 100%;
    border-radius: 50%;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    transition: var(--transition);
}

.whatsapp-float:hover img {
    transform: scale(1.15) rotate(10deg);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==============================
   RESPONSIVE & MOBILE OPTIMIZATION
   ============================== */

@media (max-width: 992px) {
    .hero h1 { font-size: 40px; }
    section { padding: 60px 5%; }
}

@media (max-width: 768px) {
    /* Header & Logo */
    header {
        padding: 12px 20px;
    }
    
    .logo-container span {
        font-size: 14px;
        line-height: 1.3;
        max-width: 180px;
        font-weight: 600;
    }

    .logo-container img {
        height: 42px;
    }

    /* Hamburger Menu */
    #hamburger { 
        display: block; 
        font-size: 24px;
    }
    
    /* Navigation Menu (Glassmorphism Look) */
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(11, 60, 93, 0.97); /* Navy Blue Semi-Transparan */
        backdrop-filter: blur(15px); /* Blur efek kaca */
        -webkit-backdrop-filter: blur(15px);
        flex-direction: column;
        align-items: center;
        padding: 15px 0;
        display: none;
        box-shadow: 0 15px 30px rgba(0,0,0,0.25);
        border-bottom: 3px solid var(--secondary-color); /* Aksen Emas */
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        animation: slideDown 0.3s ease-out;
    }

    @keyframes slideDown {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
    }

    nav.active { 
        display: flex; 
    }

    nav a {
        margin: 12px 0;
        font-size: 16px;
        padding: 5px 0;
    }
    
    nav a::after {
        display: none; /* Hilangkan underline hover di mobile */
    }

    /* Hero Section */
    .hero { 
        padding: 100px 20px 60px; 
    }
    
    .hero h1 { 
        font-size: 28px; 
        line-height: 1.3;
        margin-bottom: 15px;
    }
    
    .hero p {
        font-size: 15px;
        line-height: 1.6;
        margin-bottom: 30px;
    }

    .hero-buttons { 
        flex-direction: column; 
        gap: 12px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .hero-buttons a { 
        width: 100%; 
        padding: 12px 20px;
        font-size: 15px;
        text-align: center;
    }

    /* Section Spacing & Headings */
    section {
        padding: 50px 20px;
    }

    section h2 {
        font-size: 24px;
        margin-bottom: 35px;
    }

    section h2::after {
        width: 60px;
        margin-top: 10px;
    }

    .container-narrow p {
        font-size: 15px;
        line-height: 1.7;
    }

    /* Cards */
    .card {
        padding: 25px 20px;
    }
    
    .card h3 {
        font-size: 20px;
    }

    /* Tab Services */
    .tab-content { 
        grid-template-columns: 1fr; 
        gap: 20px;
    }
    
    .tab-btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    /* WhatsApp Floating Button */
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}

/* Contact Page Styles */
.hero-small {
    padding: 100px 20px 50px;
    min-height: 30vh;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    text-align: left;
}

.info-item i {
    font-size: 24px;
    color: var(--secondary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.info-item strong {
    color: var(--primary-color);
    display: block;
    font-size: 18px;
    margin-bottom: 5px;
}

.email-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.email-link:hover {
    color: var(--secondary-color);
}

.modern-form .form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(217, 164, 38, 0.2);
}

.w-100 {
    width: 100%;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .info-item {
        margin-bottom: 20px;
    }
    
    .info-item i {
        font-size: 20px;
        margin-right: 15px;
    }
    
    .info-item strong {
        font-size: 16px;
    }
}

/* Extra Mobile Small Settings */
@media (max-width: 480px) {
    .logo-container span {
        max-width: 140px;
        font-size: 12px;
    }
}

/* Styling Responsive Spesifik untuk Quotes & Detail Artikel di Mobile */
@media (max-width: 576px) {
    blockquote, .article-content blockquote {
        font-size: 16px;
        line-height: 1.7;
        padding: 15px 20px 15px 35px;
        margin: 20px 0;
    }
    
    blockquote::before, .article-content blockquote::before {
        font-size: 60px;
        top: -10px;
        left: 5px;
    }
}


/* Gaya Khas untuk Blok Kutipan (Blockquote / Quotes) secara Global dan di Detail Artikel */
blockquote, .article-content blockquote {
    font-style: italic;
    font-size: 18px;
    line-height: 1.8;
    margin: 30px 0;
    padding: 20px 30px 20px 45px;
    background-color: #f8f9fa;
    border-left: 5px solid var(--secondary-color); /* Garis batas Emas */
    border-radius: 0 8px 8px 0;
    color: #555555;
    position: relative;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.02);
}

blockquote::before, .article-content blockquote::before {
    content: "\201C"; /* Karakter Kutip Dua Kiri */
    font-size: 80px;
    font-family: 'Georgia', serif;
    color: var(--primary-color); /* Warna Biru Gelap */
    position: absolute;
    top: -5px;
    left: 10px;
    opacity: 0.15;
    line-height: 1;
}

blockquote p, .article-content blockquote p {
    margin: 0 !important;
    color: #444444;
}