:root {
    --primary: #00a8cc;    /* Biru Cerah */
    --dark: #f8fafc;       /* Background Abu-abu Sangat Muda */
    --card: #ffffff;       /* Putih Bersih */
    --text: #1e293b;       /* Teks Biru Gelap/Hitam */
    --border: #e2e8f0;     /* Garis Halus */
}

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

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark);
    color: var(--text);
    line-height: 1.6;
}

.container { width: 90%; max-width: 800px; margin: auto; padding: 20px 0; }

/* Navbar */
nav {
    padding: 15px 0;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

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

.logo { font-size: 1.3rem; font-weight: bold; color: var(--text); }
.logo span { color: var(--primary); }

.nav-links { list-style: none; display: flex; gap: 15px; }
.nav-links a { 
    color: #64748b; 
    text-decoration: none; 
    font-size: 0.9rem; 
    font-weight: 500;
}

/* Header / Hero */
header { text-align: center; padding: 50px 0 30px; }
header h1 { font-size: 1.8rem; margin-bottom: 10px; }
.highlight { color: var(--primary); }
header p { color: #64748b; font-size: 0.95rem; }

/* Main Card Kalkulator */
.convert-card {
    background: var(--card);
    padding: 30px;
    border-radius: 20px;
    max-width: 450px;
    margin: 0 auto 40px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    border: 1px solid var(--border);
}

.convert-card h3 { margin-bottom: 20px; text-align: center; }

.input-group { margin-bottom: 20px; }
label { display: block; margin-bottom: 8px; color: #64748b; font-size: 0.9rem; }

select, input {
    width: 100%;
    padding: 12px;
    background: #f1f5f9;
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 10px;
    font-size: 1rem;
    outline: none;
}

select:focus, input:focus { border-color: var(--primary); background: #fff; }

.result-box {
    background: rgba(0, 168, 204, 0.08);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    margin: 20px 0;
    border: 1px dashed var(--primary);
}

.result-box h2 { color: var(--primary); margin-top: 5px; }

.btn-primary {
    width: 100%;
    padding: 15px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn-primary:hover { background: #008eb0; transform: translateY(-2px); }

/* Fitur & Section Baru */
.section-title { text-align: center; color: var(--text); margin: 40px 0 20px; font-size: 1.4rem; }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; }
.feature-item { 
    background: var(--card); 
    padding: 20px; 
    border-radius: 15px; 
    text-align: center; 
    border: 1px solid var(--border);
}
.feature-item i { font-size: 2rem; color: var(--primary); margin-bottom: 10px; }
.feature-item p { font-size: 0.8rem; color: #64748b; }

/* Legal Badge */
.legal-badge { 
    background: #e0f2fe; 
    padding: 20px; 
    border-radius: 15px; 
    display: flex; 
    align-items: center; 
    gap: 20px; 
    border-left: 5px solid var(--primary); 
    margin: 30px 0;
}
.legal-badge img { width: 45px; height: auto; }
.legal-badge p { font-size: 0.85rem; color: #0369a1; text-align: left; margin: 0; }

/* Testimoni */
.testi-container { display: flex; gap: 15px; overflow-x: auto; padding-bottom: 15px; }
.testi-card { 
    min-width: 250px; 
    background: var(--card); 
    padding: 20px; 
    border-radius: 15px; 
    border: 1px solid var(--border);
}
.testi-card p { font-style: italic; font-size: 0.85rem; color: #475569; }
.testi-card span { display: block; margin-top: 10px; color: var(--primary); font-weight: bold; font-size: 0.8rem; }

/* FAQ */
details { background: var(--card); margin-bottom: 10px; border-radius: 12px; border: 1px solid var(--border); }
summary { padding: 15px; font-weight: 600; cursor: pointer; outline: none; }
details p { padding: 0 15px 15px; color: #64748b; font-size: 0.85rem; }

/* Logos */
.logo-flex { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; padding: 20px 0; }
.logo-flex img { height: 22px; filter: grayscale(1); opacity: 0.6; }
/* Styling Tambahan Metode Pencairan */
.partner-section {
    padding-bottom: 50px;
    margin-top: 20px;
}

.logo-flex {
    background: var(--card); /* Putih bersih sesuai mode terang */
    padding: 25px;
    border-radius: 15px;
    border: 1px solid var(--border); /* Garis tipis halus */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
}

.logo-flex img {
    height: 25px; /* Menyamakan tinggi logo agar rapi */
    width: auto;
    filter: grayscale(0.3); /* Kesan profesional */
    opacity: 0.8;
    transition: 0.3s ease;
}

.logo-flex img:hover {
    filter: grayscale(0);
    opacity: 1;
    transform: scale(1.1);
}
/* --- Tambahkan Mulai Baris 193 --- */

/* Sembunyikan form step agar tidak muncul semua sekaligus */
.form-step { 
    display: none; 
}

/* Tampilkan hanya step yang aktif */
.form-step.active { 
    display: block; 
    animation: fadeIn 0.4s ease; 
}

/* Grid Provider (Telkomsel, Indosat, dll) */
.provider-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 12px; 
    margin-bottom: 20px; 
}

.provider-item { 
    padding: 15px; 
    border: 1px solid var(--border); 
    border-radius: 12px; 
    text-align: center; 
    cursor: pointer; 
    transition: 0.3s;
    font-weight: 600;
    font-size: 0.9rem;
}

.provider-item.active { 
    border-color: var(--primary); 
    background: #f0f9ff; 
    color: var(--primary); 
}

/* Titik Indikator Langkah */
.step-indicator { 
    display: flex; 
    justify-content: center; 
    gap: 10px; 
    margin-bottom: 30px; 
}

.step { 
    width: 40px; 
    height: 6px; 
    background: #e2e8f0; 
    border-radius: 10px; 
}

.step.active { 
    background: var(--primary); 
}

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