/* 1. Pengaturan Variabel dan Gaya Dasar */
:root {
    --primary-color: #2D3748; 
    --primary-hover: #1A202C;
    --accent-color: #E60000; /* Merah untuk Aksi */
    --accent-hover: #C00000;
    --dark-text: #1A202C;
    --body-text: #4A5568;
    --border-color: #E2E8F0;
    --card-bg: #FFFFFF;
    --body-bg: #F7FAFC; /* Sedikit abu-abu agar card menonjol */
    --font-family: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--body-bg);
    color: var(--body-text);
    line-height: 1.6;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 2. Gaya Navbar dan Logo Teks */
.navbar {
    position: relative;
    z-index: 100;
    padding: 20px 0;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
}

.navbar .container { display: flex; justify-content: space-between; align-items: center; }

a.logo-link {
    text-decoration: none;
}

.text-logo {
    font-family: var(--font-family);
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}

.logo-red {
    color: var(--accent-color);
}

.logo-grey {
    color: var(--body-text);
}

.nav-menu ul { list-style: none; display: flex; gap: 40px; }
.nav-menu a { text-decoration: none; color: var(--dark-text); font-weight: 500; transition: color 0.3s ease; }
.nav-menu a:hover { color: var(--accent-color); }
.btn { text-decoration: none; padding: 10px 24px; border-radius: 999px; font-weight: 500; transition: background-color 0.3s ease; display: inline-block; border: none; cursor: pointer; }
.btn-primary { background-color: var(--primary-color); color: white; }
.btn-primary:hover { background-color: var(--primary-hover); }

/* 3. Layout Utama (Grid 2 Kolom) */
.main-grid {
    padding: 40px 0;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: start; /* Pastikan kolom mulai dari atas */
}

/* 4. GAYA KOLOM KIRI (KALKULATOR) */
.calculator-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.calculator-card h2 { color: var(--dark-text); margin-top: 0; font-size: 1.8rem; }
.calculator-card p { margin-bottom: 30px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 500; margin-bottom: 8px; color: var(--dark-text); }
.form-group input[type="text"], .form-group input[type="number"], .form-group input[type="email"], .form-group input[type="tel"] {
    width: 100%; padding: 12px; border: 1px solid var(--border-color); border-radius: 6px; font-size: 1rem;
}
.interest-type-options { display: flex; border: 1px solid var(--border-color); border-radius: 6px; overflow: hidden; }
.interest-type-options input[type="radio"] { display: none; }
.interest-type-options label {
    flex: 1; text-align: center; padding: 10px; cursor: pointer; background: #F7FAFC;
    transition: background-color 0.3s, color 0.3s;
}
.interest-type-options input[type="radio"]:checked + label {
    background-color: var(--accent-color); color: white; font-weight: 500;
}
.btn-calculate {
    width: 100%; padding: 15px; background-color: var(--accent-color); color: white;
    border-radius: 8px; font-size: 1.1rem; font-weight: 500;
}
.btn-calculate:hover { background-color: var(--accent-hover); }

/* Gaya untuk Hasil Kalkulasi */
#results { margin-top: 30px; opacity: 1; transition: opacity 0.5s; }
.results-hidden { opacity: 0; display: none; }
#results h3 { font-size: 1.5rem; color: var(--dark-text); }
.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 20px 0; text-align: center; }
.summary-item h4 { margin: 0 0 5px 0; color: var(--body-text); font-weight: 400; font-size: 0.9rem;}
.summary-item p { margin: 0; font-size: 1.4rem; font-weight: 700; color: var(--dark-text); }
.table-container { max-height: 400px; overflow-y: auto; border: 1px solid var(--border-color); border-radius: 8px;}
#amortization-table { width: 100%; border-collapse: collapse; }
#amortization-table th, #amortization-table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border-color); }
#amortization-table th { background-color: #F7FAFC; font-weight: 500; font-size: 0.9rem; }
#amortization-table tbody tr:last-child td { border-bottom: none; }

/* 5. GAYA KOLOM KANAN (BLOG) */
.blog-wrapper h2 { color: var(--dark-text); }
.blog-wrapper p { margin-bottom: 20px; }
.article-list { display: flex; flex-direction: column; gap: 25px; }
.article-card {
    background: var(--card-bg); border-radius: 12px; overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05); transition: transform 0.3s, box-shadow 0.3s;
}
.article-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
.article-card img { width: 100%; height: 180px; object-fit: cover; }
.article-content { padding: 20px; }
.article-content .tag {
    display: inline-block; background-color: rgba(230, 0, 0, 0.1); color: var(--accent-color);
    padding: 4px 10px; border-radius: 999px; font-size: 0.8rem; font-weight: 500;
}
.article-content h3 { font-size: 1.1rem; color: var(--dark-text); margin-top: 10px; margin-bottom: 5px; }
.article-content a { text-decoration: none; color: var(--accent-color); font-weight: 500; }

/* 6. GAYA UNTUK POP-UP (MODAL) */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}
.modal-content {
    background-color: #fff;
    margin: 10% auto;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: slideIn 0.4s;
}
.close-btn {
    color: #aaa;
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}
.close-btn:hover, .close-btn:focus { color: #000; }
.modal-content h2 { margin-top: 0; color: var(--dark-text); }
.modal-content p { margin-bottom: 25px; }
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: var(--font-family);
    resize: vertical;
}

/* Animasi */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn { from { transform: translateY(-50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* 7. RESPONSIVE UNTUK MOBILE */
@media (max-width: 992px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
    .blog-wrapper {
        margin-top: 40px;
    }
}
@media (max-width: 768px) {
    .nav-menu, .navbar .btn-primary { display: none; }
    .summary-grid { grid-template-columns: 1fr; gap: 10px; }
    .summary-item { display: flex; justify-content: space-between; align-items: baseline; padding: 10px; border-radius: 6px; background: #F7FAFC;}
}

/* 8. GAYA UNTUK TAGS & AUTHOR DI KARTU BLOG */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}
.author-info {
    font-size: 0.9rem;
    color: var(--body-text);
    margin-top: 5px;
    margin-bottom: 15px;
}

/* 9. GAYA TAMBAHAN UNTUK POP-UP PARTNERSHIP */
.nav-menu a#partnership-btn-nav {
    cursor: pointer;
}
.modal-header {
    text-align: center;
    margin-bottom: 20px;
}
.modal-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 10px;
}
.modal-content h2 {
    font-size: 1.8rem;
}
.modal-content p {
    text-align: center;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--body-text);
}

/* 10. GAYA UNTUK KARTU PROMOSI (CTA) UMKM */
.cta-card {
    margin-top: 40px;
    padding: 30px;
    border-radius: 12px;
    background: linear-gradient(135deg, #f5f7fa, #eef2f7);
    border: 1px solid var(--border-color);
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.cta-card h2 {
    color: var(--dark-text);
    font-weight: 800;
    font-size: 1.8rem;
    margin-top: 0;
    margin-bottom: 5px;
}
.cta-card h3 {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.4;
}
.cta-card p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 25px;
    color: var(--body-text);
}
.btn-cta {
    display: block;
    width: 100%;
    background-color: var(--accent-color);
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 15px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(230, 0, 0, 0.2);
    transition: all 0.3s ease;
}
.btn-cta:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(230, 0, 0, 0.3);
}

/* 11. GAYA UNTUK KALKULATOR MODAL KERJA (INTEREST-ONLY) */
.interest-only-calc {
    margin-top: 40px;
}
#io-results {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.io-results-hidden {
    display: none;
}
#io-results h3 {
    font-size: 1.5rem;
    color: var(--dark-text);
    margin-bottom: 5px;
}
.io-summary-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    background-color: #f7fafc;
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.io-summary-item h4 {
    margin: 0;
    font-weight: 500;
    font-size: 1rem;
    color: var(--body-text);
}
.io-summary-item p {
    margin: 0;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--dark-text);
}

/* 12. GAYA UNTUK HALAMAN FITUR LAPORAN KEUANGAN */
.feature-container {
    padding-top: 40px;
    padding-bottom: 40px;
}
.feature-header {
    text-align: center;
    margin-bottom: 40px;
}
.feature-header h1 {
    font-size: 2.5rem;
    color: var(--dark-text);
}
.feature-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 10px auto 0;
    color: var(--body-text);
}
.financial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.financial-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.financial-card h2 {
    margin-top: 0;
    margin-bottom: 25px;
    color: var(--dark-text);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}
.form-select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: var(--font-family);
    background-color: #fff;
}
.form-divider {
    margin-top: 30px;
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: var(--dark-text);
}
.calculation-result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    margin-top: 10px;
    border-radius: 6px;
    background-color: #f7fafc;
    border: 1px solid var(--border-color);
}
.calculation-result span, .calculation-result strong {
    font-size: 1rem;
}
.gross-profit, .net-profit, .total-section {
    background-color: #e2e8f0;
}
.gross-profit strong, .net-profit strong, .total-section strong {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--dark-text);
}

/* 13. GAYA UNTUK POP-UP TENTANG KAMI (WARNA HIJAU BARU) */
.nav-menu a#about-btn-nav {
    cursor: pointer;
}
.about-content {
    padding: 0;
    max-width: 700px;
    overflow: hidden;
}
.about-top {
    padding: 30px 30px 20px 30px;
    text-align: center;
    background-color: #E6F4EA; /* <<< DIUBAH MENJADI HIJAU MUDA */
}
.about-top h2 {
    color: var(--dark-text);
    font-size: 2rem;
    margin-bottom: 20px;
}
.about-top img {
    max-width: 100%;
    height: auto;
    max-height: 200px;
}
.about-bottom {
    background-color: var(--primary-color);
    color: white;
    padding: 40px 30px;
    text-align: center;
    /* <<< FILL SVG DIUBAH MENJADI KODE WARNA HIJAU (#E6F4EA) >>> */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23E6F4EA' fill-opacity='1' d='M0,192L80,170.7C160,149,320,107,480,112C640,117,800,171,960,176C1120,181,1280,139,1360,117.3L1440,96L1440,0L1360,0C1280,0,1120,0,960,0C800,0,640,0,480,0C320,0,160,0,80,0L0,0Z'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: top;
    background-size: cover;
}
.about-bottom h3 {
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: 15px;
    color: white;
}
.about-bottom p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 0;
    opacity: 0.9;
    color: white;
}