/* ==========================================
   SISTEM REKA BENTUK BRANDING RESTU HARMONI
   Warna Utama: Deep Emerald Green (#1E5631)
   Warna Aksen: Glowing Gold (#D4AF37)
   Format Khas: Buku Fizikal & E-Book Digital
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: #FAFAFA;
    color: #2c3e50;
    overflow-x: hidden;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 6%;
    background-color: #ffffff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 22px;
    font-weight: 800;
    color: #1E5631;
    letter-spacing: 1px;
    line-height: 1.1;
}

.logo-sub {
    font-size: 9px;
    color: #777;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    gap: 25px;
}

.nav-menu a {
    text-decoration: none;
    color: #555;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    padding: 6px 0;
    position: relative;
}

.nav-menu a:hover, .nav-menu a.active {
    color: #1E5631;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #D4AF37;
    border-radius: 2px;
}

.nav-icons {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-bar {
    padding: 8px 16px;
    padding-right: 35px;
    border: 1.5px solid #e0e0e0;
    border-radius: 25px;
    outline: none;
    font-size: 14px;
    width: 220px;
    transition: all 0.3s ease;
}

.search-bar:focus {
    width: 280px;
    border-color: #1E5631;
}

.search-icon {
    position: absolute;
    right: 15px;
    color: #888;
}

.cart-btn {
    background-color: #1E5631;
    border: none;
    color: #fff;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: #1E5631;
    cursor: pointer;
}

/* HERO SECTION */
.hero-section {
    position: relative;
    background: linear-gradient(rgba(30, 86, 49, 0.92), rgba(15, 48, 27, 0.96)), 
                url('https://images.unsplash.com/photo-1544716278-ca5e3f4abd8c?auto=format&fit=crop&w=1200&q=80') no-repeat center center/cover;
    padding: 100px 4% 120px 4%;
    text-align: center;
    color: white;
}

.hero-icon-glow {
    font-size: 45px;
    color: #D4AF37;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 15px rgba(212, 175, 55, 0.5));
}

.hero-content h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 18px;
    max-width: 750px;
    margin: 0 auto 35px auto;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.cta-button {
    padding: 12px 28px;
    font-size: 15px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.primary-btn {
    background-color: #D4AF37;
    color: #1E5631;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.primary-btn:hover {
    background-color: #f1c40f;
    transform: translateY(-2px);
}

.secondary-btn {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.secondary-btn:hover {
    background-color: white;
    color: #1E5631;
    transform: translateY(-2px);
}

/* RESPONSIVE LAYOUT */
.main-container {
    display: flex;
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 4%;
    gap: 30px;
}

/* SIDEBAR FILTER */
.sidebar-filter {
    flex: 1;
    min-width: 260px;
    max-width: 280px;
    background-color: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    height: fit-content;
}

.filter-header h3 {
    font-size: 17px;
    color: #1E5631;
    margin-bottom: 20px;
    border-bottom: 2px solid #f5f5f5;
    padding-bottom: 10px;
}

.filter-group {
    margin-bottom: 25px;
}

.filter-group h4 {
    font-size: 13px;
    text-transform: uppercase;
    color: #999;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.custom-checkbox {
    display: block;
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 14px;
}

.custom-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: absolute;
    top: 1px;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: #f0f0f0;
    border-radius: 4px;
}

.custom-checkbox input:checked ~ .checkmark {
    background-color: #1E5631;
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.custom-checkbox input:checked ~ .checkmark:after {
    display: block;
}

.custom-checkbox .checkmark:after {
    left: 6px;
    top: 3px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* PRODUCTS AREA */
.products-area {
    flex: 3;
}

.section-title-container {
    margin-bottom: 25px;
}

.section-title {
    font-size: 22px;
    color: #1E5631;
    font-weight: 700;
}

.section-title-container p {
    font-size: 14px;
    color: #666;
    margin-top: 4px;
}

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

/* PRODUCT CARD */
.product-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.01);
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(30, 86, 49, 0.08);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    color: white;
    font-size: 11px;
    font-weight: bold;
    padding: 4px 10px;
    border-radius: 20px;
    z-index: 10;
}

.badge-fizikal { background-color: #1E5631; }
.badge-ebook { background-color: #2980b9; }
.badge-busana { background-color: #a0522d; }

.product-img-placeholder {
    height: 200px;
    background-color: #f4f8f5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    color: #1E5631;
}

.code-blue-light {
    background-color: #eef5f9;
    color: #2980b9;
}

.code-gold-light {
    background-color: #fbf8f0;
    color: #a0522d;
}

.product-info {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-info h4 {
    font-size: 15px;
    color: #2c3e50;
    font-weight: 700;
    margin-bottom: 8px;
}

.product-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
    margin-bottom: 15px;
    flex-grow: 1;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.price {
    font-size: 16px;
    font-weight: 700;
    color: #1E5631;
}

/* TOYYIBPAY INTEGRATION BUTTON */
.toyyib-btn {
    background-color: #D4AF37;
    color: #1E5631 !important;
    border: none;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    text-align: center;
    box-shadow: 0 2px 5px rgba(212, 175, 55, 0.2);
}

.toyyib-btn:hover {
    background-color: #1E5631;
    color: white !important;
    box-shadow: 0 4px 10px rgba(30, 86, 49, 0.2);
}

/* FOOTER */
.site-footer {
    background-color: #0b1a0f;
    color: #94a3b8;
    padding: 50px 4% 20px 4%;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    padding-bottom: 30px;
    border-bottom: 1px solid #162e1c;
}

.footer-brand h4, .footer-links h5, .footer-contact h5 {
    color: white;
    margin-bottom: 15px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
}

.footer-links a:hover {
    color: #D4AF37;
}

.footer-contact p {
    font-size: 14px;
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    font-size: 13px;
    color: #536477;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1100px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .main-container { flex-direction: column; }
    .sidebar-filter { max-width: 100%; width: 100%; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 650px) {
    .menu-toggle { display: block; }
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.05);
        gap: 15px;
    }
    .nav-menu.active { display: flex; }
    .search-box { display: none; }
    .hero-content h1 { font-size: 28px; }
    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .product-img-placeholder { height: 140px; font-size: 35px; }
    .product-info { padding: 10px; }
    .product-desc { display: none; }
    .product-meta { flex-direction: column; align-items: flex-start; gap: 8px; width: 100%; }
    .toyyib-btn { width: 100%; }
}