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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 0;
}

img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

/* Warna Brand */
:root {
    --primary-blue: #0056b3;
    --dark-blue: #003d80;
    --accent-color: #f8f9fa;
    --white: #ffffff;
    --success-green: #25d366;
    --brand-red: #d63031;
}

/* Header */
header {
    background: var(--primary-blue);
    color: white;
    text-align: center;
    padding: 20px 0;
}

header .logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
}

/* Hero Section */
.hero {
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.02), rgba(0,0,0,0.02));
    padding-bottom: 20px;
}

.hero h1 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--dark-blue);
    line-height: 1.2;
}

/* Kalkulator Harga Styling */
.calc-container {
    background: white;
    border: 2px solid var(--primary-blue);
    border-radius: 15px;
    padding: 25px;
    max-width: 450px;
    margin: 30px auto;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

.calc-container h3 {
    margin-bottom: 15px;
    color: var(--primary-blue);
    font-size: 18px;
    text-align: center;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.input-group {
    text-align: left;
}

.input-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 5px;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
}

.calc-result {
    background: #e7f3ff;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
}

.calc-result p {
    font-size: 14px;
    margin-bottom: 5px;
}

.total-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-blue);
}

.calc-addons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.addon-item {
    background: #27ae60;
    color: white;
    padding: 4px 10px;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 600;
}

/* Button */
.btn-cta {
    display: inline-block;
    background: var(--success-green);
    color: white;
    padding: 18px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    transition: transform 0.3s ease, background 0.3s ease;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: center;
}

.btn-cta:hover {
    transform: scale(1.05);
    background: #1eb956;
}

/* Grid System */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

/* Cards Style */
.card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    border-left: 5px solid #ff4d4d;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.card h3 {
    margin-bottom: 10px;
    color: #d63031;
}

/* Solution Section */
.solution {
    text-align: center;
    background: var(--primary-blue);
    color: white;
    padding: 60px 0;
}

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

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.benefit-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 32px;
    margin-bottom: 15px;
    display: block;
}

.benefit-card h3 {
    font-size: 18px;
    color: var(--dark-blue);
    margin-bottom: 10px;
}

.benefit-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

/* KATALOG SISTEM GESER */
.slider-container {
    position: relative;
    margin-top: 20px;
}

.catalog-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 20px;
    padding: 10px 0 20px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
    cursor: grab;
}

.catalog-slider:active {
    cursor: grabbing;
}

.catalog-slider::-webkit-scrollbar {
    display: none;
}

.product-item {
    flex: 0 0 300px;
    scroll-snap-align: start;
    text-align: center;
    background: #fff;
    padding: 15px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

@media (max-width: 768px) {
    .product-item { flex: 0 0 85%; }
}

.product-item img {
    height: 200px;
    object-fit: cover;
    margin-bottom: 15px;
}

.product-item h4 {
    font-size: 18px;
    color: var(--dark-blue);
}

/* Indikator Garis Merah Kustom (Scrollbar) */
.custom-scrollbar-container {
    width: 150px;
    height: 4px;
    background: #eee;
    margin: 10px auto 30px;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.custom-scrollbar-thumb {
    height: 100%;
    background: var(--brand-red);
    width: 30%;
    border-radius: 10px;
    position: absolute;
    left: 0;
    transition: left 0.1s ease-out;
}

.slider-hint {
    text-align: center;
    font-size: 12px;
    color: #888;
    margin-bottom: 5px;
}

/* Steps */
.how-it-works h2 {
    text-align: center;
    margin-bottom: 40px;
}

.steps {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
}

.step {
    text-align: center;
    flex: 1;
    min-width: 200px;
}

.step-num {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-weight: 700;
    font-size: 24px;
}

/* FAQ */
.faq h2 {
    text-align: center;
    margin-bottom: 30px;
}

.faq-item {
    background: white;
    padding: 20px;
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
    border-radius: 8px;
}

/* Footer */
footer {
    background: #1a1a1a;
    color: white;
    text-align: center;
    padding: 60px 0 30px;
}

.address {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 10px;
    color: #ccc;
    text-decoration: none;
    display: inline-block;
}

.map-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 10px;
    color: #3498db;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}

/* Ikon WA Melayang */
.wa-sticky {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--success-green);
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    z-index: 1000;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
}

.wa-sticky:hover {
    transform: scale(1.1);
}

.wa-sticky img {
    width: 35px;
    height: 35px;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 24px; }
    .steps { flex-direction: column; align-items: center; }
    .step { width: 100%; }
}

@media (max-width: 480px) {
    .wa-sticky { width: 55px; height: 55px; right: 20px; bottom: 20px; }
    .wa-sticky img { width: 30px; height: 30px; }
}