:root {
    --primary: #0F52BA;    
    --primary-dark: #0A3D8F; 
    --primary-light: #EBF1FF;  
   
    --bg-body: #FFFFFF; 
    --text-main: #0F172A;  
    --text-muted: #64748B; 
    --border-light: #E2E8F0;
    --border-hover: #94A3B8;  
   
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;

    --container-width: 1200px;
    --header-height: 80px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}

.section-title.center {
    text-align: center;
}

.site-header {
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo a, .logo-footer {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.03em;
}

.logo span, .logo-footer span {
    color: var(--primary);
}

.main-nav ul {
    display: flex;
    gap: 32px;
}

.main-nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}

.main-nav a:hover {
    color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: 1px solid var(--primary);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-light);
}

.btn-outline:hover {
    border-color: var(--text-main);
    background-color: var(--bg-surface);
}

.btn-full {
    width: 100%;
}

.hero-section {
    padding: 100px 0 80px;
    text-align: center;
    background: radial-gradient(circle at 50% 0%, var(--primary-light) 0%, transparent 40%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.slot-counter-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: white;
    border: 1px solid var(--border-light);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    position: relative;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--success);
    border-radius: 50%;
    animation: pulse-animation 2s infinite;
    opacity: 0.7;
}

@keyframes pulse-animation {
    0% { transform: scale(1); opacity: 0.7; }
    100% { transform: scale(3); opacity: 0; }
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.04em;
    color: var(--text-main);
}

.highlight-text {
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.highlight-text::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: var(--primary-light);
    z-index: -1;
    border-radius: 4px;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn-large {
    padding: 14px 32px;
    font-size: 1rem;
}

.pricing-section {
    padding: 80px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr; 
    gap: 40px;
    align-items: start;
}

.pricing-card-wrapper {
    position: relative;
}

.pricing-card {
    background: var(--bg-body);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 40px;
    position: relative;
    transition: border-color 0.3s ease;
}

.pricing-card:hover {
    border-color: var(--primary);
}

.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--primary-light);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 100px;
    text-transform: uppercase;
}

.card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.price-tag {
    display: flex;
    align-items: baseline;
    margin-bottom: 32px;
}

.price-tag .currency {
    font-size: 1.5rem;
    font-weight: 500;
    margin-right: 4px;
    color: var(--text-muted);
}

.price-tag .amount {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--text-main);
    letter-spacing: -0.03em;
}

.price-tag .period {
    color: var(--text-muted);
    margin-left: 8px;
}

.spec-table {
    margin-bottom: 32px;
}

.spec-table li {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.95rem;
}

.spec-table li:last-child {
    border-bottom: none;
}

.spec-label {
    color: var(--text-muted);
}

.spec-value {
    font-weight: 600;
    color: var(--text-main);
}

.spec-value.text-alert {
    color: var(--danger);
}

.why-us-wrapper {
    padding-top: 20px;
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.feature-text h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-text p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Section Background Biru */
.tech-stack-section {
    padding: 80px 0;
    background-color: var(--primary); /* Menggunakan warna biru utama Zenta */
    /* Opsional: Tambah sedikit gradient agar lebih modern */
    background: linear-gradient(135deg, var(--primary) 0%, #0040c5 100%); 
    color: white;
}

/* Penyesuaian Teks Judul di Background Biru */
.section-title.text-white {
    color: white !important;
}

.section-desc.text-white-muted {
    color: rgba(255, 255, 255, 0.85) !important; /* Putih agak transparan */
    text-align: center;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.tech-grid-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr); 
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.tech-box {
    background: white;
    border-radius: var(--radius-sm);
    padding: 15px 20px;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tech-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 82, 255, 0.2); 
}

.tech-box span {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
    white-space: nowrap;
}

@media (max-width: 992px) {
    .tech-grid-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
}

@media (max-width: 576px) {
    .tech-grid-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .tech-box {
        padding: 12px 15px;
    }
    .tech-box span {
        font-size: 0.9rem;
    }
}

.faq-section {
    padding: 80px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-item[open] {
    border-color: var(--primary);
}

.faq-item summary {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 40px;
    color: var(--text-main);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
    padding: 0 20px 24px 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    border-top: 1px solid transparent;
}

.faq-item[open] .faq-answer {
    border-top: 1px solid var(--bg-surface);
    padding-top: 16px;
}

.rules-section {
    padding: 80px 0;
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.rule-card {
    padding: 32px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    height: 100%;
    transition: transform 0.2s ease;
}

.rule-card h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.125rem;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.rule-card h3 svg {
    flex-shrink: 0;
}

.rule-card ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.rule-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--border-hover);
}

.rule-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}


.order-payment-section {
    padding: 100px 0;
    background-color: #ffffff;
    border-top: 1px solid var(--border-light);
}

.order-payment-flex {
    display: flex;
    gap: 80px;
    align-items: flex-start;
}

/* Identitas Samping (Label Kecil) */
.side-label {
    color: var(--primary); /* Menggunakan #1E40AF */
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    display: block;
}

.side-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text-main);
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.side-desc {
    color: var(--text-muted);
    margin-bottom: 35px;
    font-size: 1rem;
    line-height: 1.6;
    max-width: 480px;
}

/* --- BAGIAN KIRI: PAYMENT LOGOS --- */
.payment-side {
    flex: 1;
}

.payment-logo-grid {
    display: flex;
    gap: 16px;
    margin-top: 10px;
}

.pay-box {
    background: #ffffff;
    border: 1px solid var(--border-light);
    padding: 15px 25px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 85px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.pay-box:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(30, 64, 175, 0.1);
}

.pay-box img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    /* Menjaga logo tetap tajam */
    filter: drop-shadow(0 2px 2px rgba(0,0,0,0.05));
}

/* --- BAGIAN KANAN: STEP LIST --- */
.order-side {
    flex: 1;
}

.step-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.step-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.step-num {
    width: 42px;
    height: 42px;
    background: var(--primary); /* Deep Navy */
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(30, 64, 175, 0.2);
}

.step-text h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 6px;
    margin-top: 4px; /* Align dengan lingkaran angka */
}

.step-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.5;
}

/* --- RESPONSIVE OPTIMIZATION --- */
@media (max-width: 992px) {
    .order-payment-flex {
        flex-direction: column;
        gap: 60px;
    }

    .payment-side {
        width: 100%;
    }

    .side-desc {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .payment-logo-grid {
        grid-template-columns: 1fr 1fr;
        display: grid;
    }
    
    .pay-box {
        width: 100%;
        height: 70px;
    }

    .side-title {
        font-size: 1.75rem;
    }
}

.site-footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-light);
    background-color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-about p {
    color: var(--text-muted);
    margin-top: 16px;
    max-width: 300px;
    font-size: 0.9rem;
}

.footer-links h4, .footer-contact h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-main);
}

.footer-links ul li, .footer-contact ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links ul li a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-contact ul li {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-light);
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (max-width: 900px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .rules-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 600px) {
    .header-container {
        flex-direction: column;
        gap: 16px;
        padding-top: 16px;
        padding-bottom: 16px;
    }
    
    .site-header {
        height: auto;
    }
    
    .main-nav ul {
        gap: 16px;
        font-size: 0.85rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
    }
}