/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #D32F2F; /* Merah promosi utama */
    --primary-dark: #B71C1C;
    --accent: #FFC107; /* Kuning keemasan */
    --accent-dark: #FFA000;
    --text-main: #111111;
    --text-muted: #555555;
    --bg-main: #FFFFFF;
    --bg-gray: #F9F9F9;
    --border: #E5E5E5;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 40px;
    color: var(--text-main);
    text-transform: uppercase;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 4px; /* Less rounded for e-commerce feel */
    border: none;
    cursor: pointer;
    transition: background-color 0.2s ease;
    text-align: center;
    text-transform: uppercase;
}

.btn-primary {
    background-color: var(--primary);
    color: #FFF;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-yellow {
    background-color: var(--accent);
    color: #111;
}

.btn-yellow:hover {
    background-color: var(--accent-dark);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: var(--bg-gray);
}

.btn-large {
    padding: 14px 32px;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* Header */
.header {
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

.brand-company {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.brand-product {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.9rem;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.cart-btn {
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--text-main);
}

.cart-badge {
    position: absolute;
    top: -6px;
    right: -8px;
    background-color: var(--primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border);
    z-index: 999;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
}

.mobile-link {
    font-size: 1rem;
    font-weight: 600;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

/* Hero Section */
.hero {
    background-color: var(--bg-main);
    padding: 40px 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.promo-tag {
    display: inline-block;
    background-color: var(--accent);
    color: #111;
    font-weight: 800;
    font-size: 0.85rem;
    padding: 4px 12px;
    margin-bottom: 16px;
}

.hero-title {
    font-size: 3rem;
    color: var(--text-main);
    margin-bottom: 16px;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.hero-price {
    font-size: 1rem;
    color: var(--text-main);
    margin-bottom: 32px;
}

.hero-price .price-val {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-img-col {
    text-align: center;
}

.hero-image {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    aspect-ratio: 1/1;
}

/* Trust Bar */
.trust-bar {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background-color: var(--bg-main);
    padding: 16px 0;
}

.trust-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.trust-item svg {
    color: var(--text-main);
}

/* Products */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.product-card {
    background-color: var(--bg-main);
    padding: 20px;
    border: 1px solid var(--border);
    text-align: center;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--text-main);
}

.product-img {
    width: 100%;
    height: 300px;
    object-fit: contain;
    margin-bottom: 16px;
}

.product-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-name {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.product-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
    flex: 1;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 16px;
}

/* Promo Banner */
.promo .container {
    max-width: 1200px;
    padding: 0;
}

.promo-banner {
    position: relative;
    background-color: var(--primary);
    display: flex;
    align-items: center;
    min-height: 400px;
    overflow: hidden;
}

.promo-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
}

.promo-content {
    position: relative;
    z-index: 1;
    padding: 40px;
    max-width: 500px;
    background-color: rgba(255, 255, 255, 0.95);
    margin-left: 40px;
}

.promo-title {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.promo-subtitle {
    font-size: 1.125rem;
    margin-bottom: 24px;
    color: var(--text-main);
}

/* Keunggulan */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.feature-item {
    padding: 20px;
}

.feature-icon {
    margin-bottom: 12px;
    color: var(--primary);
}

.feature-title {
    font-size: 1rem;
    font-weight: 700;
}

/* Garansi */
.guarantee-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
    padding: 24px;
    border: 2px solid var(--primary);
    background-color: #FFF;
}

.guarantee-icon {
    color: var(--primary);
    flex-shrink: 0;
}

.guarantee-text h3 {
    font-size: 1.25rem;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.guarantee-text p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Best Seller */
.bestseller-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    border: 1px solid var(--border);
    background-color: var(--bg-main);
}

.bestseller-img-col {
    padding: 40px;
    background-color: var(--bg-gray);
    text-align: center;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bestseller-img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.bestseller-info-col {
    padding: 40px;
}

.bestseller-badge {
    display: inline-block;
    background-color: var(--accent);
    color: #111;
    font-weight: 800;
    font-size: 0.85rem;
    padding: 4px 12px;
    margin-bottom: 16px;
}

.bestseller-title {
    font-size: 2rem;
    margin-bottom: 12px;
}

.bestseller-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
}

.meta-sold {
    border-left: 1px solid var(--border);
    padding-left: 16px;
}

.bestseller-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 24px;
}

.bestseller-qty {
    margin-bottom: 24px;
}

.bestseller-qty label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
}

.qty-control {
    display: inline-flex;
    border: 1px solid var(--border);
}

.qty-btn {
    background-color: var(--bg-gray);
    border: none;
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
    cursor: pointer;
}

#qty-input {
    width: 60px;
    height: 40px;
    border: none;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
}

/* Reviews */
.reviews-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.review-item {
    background-color: var(--bg-main);
    padding: 20px;
    border: 1px solid var(--border);
}

.review-head {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

.review-star {
    color: var(--accent-dark);
    font-weight: 700;
}

.review-variant {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.review-body {
    font-size: 0.95rem;
    color: var(--text-main);
}

/* FAQ */
.accordion-list {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid var(--border);
}

.accordion-item {
    border-bottom: 1px solid var(--border);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    background: none;
    border: none;
    font-size: 1.125rem;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
    color: var(--text-main);
}

.accordion-icon {
    font-size: 1.5rem;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
}

.accordion-content p {
    padding-bottom: 20px;
    color: var(--text-muted);
}

.accordion-item.active .accordion-content {
    max-height: 200px;
}

/* Final CTA */
.final-cta {
    background-color: var(--primary);
    padding: 60px 0;
    text-align: center;
}

.final-cta-box {
    color: #FFF;
}

.final-cta-box h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.final-cta-box p {
    font-size: 1.125rem;
    margin-bottom: 24px;
}

/* Footer */
.footer {
    background-color: #111;
    color: #FFF;
    padding: 60px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.brand-col .footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.brand-col p {
    color: #AAA;
    font-size: 0.9rem;
}

.footer-col h4 {
    margin-bottom: 16px;
    font-size: 1rem;
    text-transform: uppercase;
    color: #FFF;
}

.footer-col a {
    display: block;
    margin-bottom: 12px;
    color: #AAA;
    font-size: 0.9rem;
}

.footer-col a:hover {
    color: #FFF;
}

.footer-col p {
    color: #AAA;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    color: #777;
    font-size: 0.85rem;
}

/* Mobile Sticky Bar */
.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #FFF;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    z-index: 1000;
    justify-content: space-between;
    align-items: center;
}

.sticky-price .label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.sticky-price .price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-actions {
        justify-content: center;
    }
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .bestseller-layout {
        grid-template-columns: 1fr;
    }
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    body {
        padding-bottom: 70px;
    }
    .mobile-sticky-bar {
        display: flex;
    }
    .nav-links {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .hero-title {
        font-size: 2.25rem;
    }
    .trust-container {
        justify-content: center;
    }
    .reviews-list {
        grid-template-columns: 1fr;
    }
    .promo-content {
        margin: 20px;
        padding: 20px;
    }
    .promo-banner {
        min-height: 300px;
    }
}

@media (max-width: 576px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .hero-actions {
        flex-direction: column;
    }
    .bestseller-img-col {
        padding: 20px;
    }
    .bestseller-info-col {
        padding: 20px;
    }
    .footer-container {
        grid-template-columns: 1fr;
    }
}