/* ==========================================================
   site.css — Sanking shared styles for all inner pages
   ========================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #111827;
    line-height: 1.7;
    overflow-x: hidden;
    background: #fff;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', system-ui, sans-serif;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

:root {
    --grey-900: #111827;
    --grey-800: #1f2937;
    --grey-700: #374151;
    --grey-600: #4b5563;
    --grey-500: #6b7280;
    --grey-400: #9ca3af;
    --grey-300: #d1d5db;
    --grey-200: #e5e7eb;
    --grey-100: #f3f4f6;
    --grey-50:  #f9fafb;
    --white: #ffffff;
    --brand-dark: #1a1a1a;
    --brand-mid: #2d2d2d;
    --shopee: #22C55E;
    --shopee-hover: #16A34A;
    --lazada: #0F146D;
    --lazada-hover: #1a20a0;
    --max-width: 1200px;
}

/* ===== NAV ===== */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--brand-dark);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    padding: 0 2rem;
}
.nav-logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #fff;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
    color: rgba(255,255,255,0.7);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: color 0.3s;
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-right { display: flex; align-items: center; gap: 1.25rem; }
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--brand-dark);
    color: #fff;
    font-family: 'Poppins', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    letter-spacing: 0.3px;
    transition: all 0.3s;
    white-space: nowrap;
}
.nav-cta:hover {
    background: var(--brand-mid);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: #fff;
    margin: 5px 0;
    transition: all 0.3s;
}

/* ===== PAGE HERO (dark) ===== */
.page-hero {
    background: var(--brand-dark);
    padding: 5rem 2rem 4rem;
    color: #fff;
}
.page-hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}
.page-hero .breadcrumb {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.page-hero .breadcrumb a { color: rgba(255,255,255,0.6); transition: color 0.3s; }
.page-hero .breadcrumb a:hover { color: #fff; }
.page-hero .breadcrumb span { color: rgba(255,255,255,0.35); }
.page-label {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 0.35rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.2rem;
}
.page-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    letter-spacing: -0.5px;
    margin-bottom: 1rem;
    max-width: 760px;
}
.page-hero p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.75);
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}
.page-meta {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.45);
}

/* ===== SECTIONS ===== */
.section { padding: 5rem 2rem; }
.section-inner { max-width: var(--max-width); margin: 0 auto; }
.section-dark { background: var(--brand-dark); color: #fff; }
.section-grey { background: var(--grey-50); }
.section-white { background: #fff; }

.section-label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--grey-400);
    margin-bottom: 0.75rem;
}
.section-dark .section-label { color: rgba(255,255,255,0.4); }
.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--grey-900);
    letter-spacing: -0.5px;
    line-height: 1.15;
    margin-bottom: 1rem;
}
.section-dark .section-title { color: #fff; }
.section-subtitle {
    font-size: 1rem;
    color: var(--grey-500);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}
.section-dark .section-subtitle { color: rgba(255,255,255,0.65); }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.88rem;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    letter-spacing: 0.3px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}
.btn-shopee {
    background: var(--shopee);
    color: #fff;
}
.btn-shopee:hover {
    background: var(--shopee-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(34,197,94,0.35);
}
.btn-lazada {
    background: var(--lazada);
    color: #fff;
}
.btn-lazada:hover {
    background: var(--lazada-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15,20,109,0.3);
}
.btn-dark {
    background: var(--brand-dark);
    color: #fff;
}
.btn-dark:hover {
    background: var(--brand-mid);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.btn-outline {
    background: transparent;
    color: var(--grey-900);
    border: 1.5px solid var(--grey-300);
}
.btn-outline:hover {
    border-color: var(--grey-900);
    transform: translateY(-1px);
}
.btn-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ===== CARDS ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.card-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}
.card-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}
.card {
    background: #fff;
    border: 1px solid var(--grey-200);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s;
}
.card:hover {
    border-color: var(--grey-300);
    box-shadow: 0 8px 32px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}
.card-dark {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 2rem;
}
.card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--grey-900);
    margin-bottom: 0.6rem;
    line-height: 1.3;
}
.card-dark h3 { color: #fff; }
.card p { font-size: 0.9rem; color: var(--grey-500); line-height: 1.6; }
.card-dark p { color: rgba(255,255,255,0.65); }
.card-icon {
    width: 44px;
    height: 44px;
    background: var(--grey-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 1.4rem;
}
.card-dark .card-icon {
    background: rgba(255,255,255,0.1);
}

/* ===== COMPARISON TABLE ===== */
.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.compare-table th {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 1rem 1.25rem;
    text-align: center;
    background: var(--grey-900);
    color: #fff;
}
.compare-table th:first-child { text-align: left; border-radius: 12px 0 0 0; }
.compare-table th:last-child { border-radius: 0 12px 0 0; }
.compare-table th.highlight { background: var(--shopee); }
.compare-table td {
    padding: 0.9rem 1.25rem;
    text-align: center;
    border-bottom: 1px solid var(--grey-100);
    color: var(--grey-700);
}
.compare-table td:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--grey-900);
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:nth-child(even) td { background: var(--grey-50); }
.compare-table .check { color: var(--shopee); font-size: 1.1rem; }
.compare-table .cross { color: #ef4444; }
.compare-table .partial { color: #f59e0b; }
.compare-table .highlight-col { background: rgba(34,197,94,0.06) !important; font-weight: 600; }
.table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--grey-200); }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
    border-bottom: 1px solid var(--grey-200);
}
.faq-question {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.4rem 0;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--grey-900);
    text-align: left;
}
.faq-question svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--grey-500);
    transition: transform 0.3s;
}
.faq-question[aria-expanded="true"] svg { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-answer.open { max-height: 500px; }
.faq-answer p {
    font-size: 0.95rem;
    color: var(--grey-600);
    line-height: 1.7;
    padding-bottom: 1.4rem;
}

/* ===== REVIEWS ===== */
.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.review-card {
    background: #fff;
    border: 1px solid var(--grey-200);
    border-radius: 16px;
    padding: 1.75rem;
    transition: all 0.3s;
}
.review-card:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.07); transform: translateY(-2px); }
.review-stars { color: #FBBF24; font-size: 1rem; letter-spacing: 2px; margin-bottom: 0.75rem; }
.review-stars::before { content: "★★★★★"; }
.review-text { font-size: 0.9rem; color: var(--grey-600); line-height: 1.6; margin-bottom: 1rem; }
.review-author { font-size: 0.82rem; font-weight: 600; color: var(--grey-700); }
.review-meta { font-size: 0.75rem; color: var(--grey-400); margin-top: 0.2rem; }
.review-platform {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    margin-top: 0.5rem;
}
.review-platform.shopee { background: rgba(34,197,94,0.1); color: #16A34A; }
.review-platform.lazada { background: rgba(15,20,109,0.1); color: var(--lazada); }

/* ===== PRODUCT CARD ===== */
.product-card {
    background: var(--grey-50);
    border: 1px solid var(--grey-200);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
}
.product-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    transform: translateY(-3px);
}
.product-card-img {
    background: #fff;
    padding: 2.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 220px;
}
.product-card-img img {
    max-height: 180px;
    width: auto;
    object-fit: contain;
}
.product-card-body { padding: 1.75rem; }
.product-card-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--grey-900);
    margin-bottom: 0.5rem;
}
.product-card-body p { font-size: 0.88rem; color: var(--grey-500); line-height: 1.6; margin-bottom: 1.25rem; }
.product-card-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}
.badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 50px;
    background: var(--grey-100);
    color: var(--grey-600);
}
.badge-green { background: rgba(34,197,94,0.12); color: #16A34A; }

/* ===== STATS BAR ===== */
.stats-bar {
    background: var(--brand-dark);
    padding: 3rem 2rem;
}
.stats-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}
.stat-item { text-align: center; }
.stat-value {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    margin-bottom: 0.4rem;
}
.stat-label {
    font-size: 0.68rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}

/* ===== BLOG CARDS ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.blog-card {
    background: var(--grey-50);
    border: 1px solid var(--grey-200);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    border-color: var(--grey-300);
    box-shadow: 0 8px 32px rgba(0,0,0,0.07);
    transform: translateY(-3px);
}
.blog-card-tag {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--grey-400);
    margin-bottom: 0.75rem;
}
.blog-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--grey-900);
    line-height: 1.35;
    margin-bottom: 0.6rem;
    flex: 1;
}
.blog-card p { font-size: 0.85rem; color: var(--grey-500); line-height: 1.6; }

/* ===== CONTACT/CTA SECTION ===== */
.cta-section {
    background: var(--brand-dark);
    padding: 5rem 2rem;
    text-align: center;
    color: #fff;
}
.cta-inner { max-width: 640px; margin: 0 auto; }
.cta-section h2 {
    font-size: 2.4rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
    margin-bottom: 1rem;
}
.cta-section p { color: rgba(255,255,255,0.65); font-size: 1rem; line-height: 1.7; margin-bottom: 2rem; }

/* ===== FORM ===== */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--grey-700);
    margin-bottom: 0.4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1.5px solid var(--grey-200);
    border-radius: 10px;
    font-family: 'Open Sans', sans-serif;
    font-size: 0.9rem;
    color: var(--grey-900);
    background: #fff;
    transition: border-color 0.3s;
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--grey-700); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ===== BREADCRUMB (light) ===== */
.breadcrumb-light {
    font-size: 0.78rem;
    color: var(--grey-400);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.breadcrumb-light a { color: var(--grey-500); transition: color 0.3s; }
.breadcrumb-light a:hover { color: var(--grey-900); }
.breadcrumb-light span { color: var(--grey-300); }

/* ===== CONTENT ARTICLE ===== */
.article-body {
    max-width: 780px;
    margin: 0 auto;
    padding: 4rem 2rem;
}
.article-body h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--grey-900);
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.3px;
}
.article-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--grey-900);
    margin: 2rem 0 0.75rem;
}
.article-body p {
    font-size: 0.97rem;
    color: var(--grey-600);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}
.article-body ul, .article-body ol {
    margin: 1rem 0 1.5rem 1.5rem;
}
.article-body li {
    font-size: 0.95rem;
    color: var(--grey-600);
    line-height: 1.7;
    margin-bottom: 0.4rem;
}
.article-body strong { color: var(--grey-800); }
.article-body a { color: var(--grey-900); text-decoration: underline; }
.article-body a:hover { color: var(--grey-700); }
.article-callout {
    background: var(--grey-50);
    border-left: 4px solid var(--brand-dark);
    border-radius: 0 12px 12px 0;
    padding: 1.25rem 1.5rem;
    margin: 2rem 0;
}
.article-callout p { margin: 0; color: var(--grey-700); }

/* ===== FOOTER ===== */
footer {
    background: var(--brand-dark);
    padding: 4rem 2rem 2rem;
    color: rgba(255,255,255,0.6);
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 3rem;
    align-items: start;
}
.footer-brand {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 0.3rem;
}
.footer-brand-sub {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.4);
}
.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.footer-nav a {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.55);
    transition: color 0.3s;
}
.footer-nav a:hover { color: #fff; }
.footer-company {
    font-size: 0.82rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.45);
}
.footer-company a { color: rgba(255,255,255,0.6); transition: color 0.3s; }
.footer-company a:hover { color: #fff; }
.footer-bottom {
    max-width: var(--max-width);
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.78rem;
    color: rgba(255,255,255,0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { color: rgba(255,255,255,0.35); transition: color 0.3s; }
.footer-bottom-links a:hover { color: #fff; }

/* ===== WHATSAPP FAB ===== */
.whatsapp-fab {
    position: fixed;
    bottom: 1.75rem;
    right: 1.75rem;
    width: 52px;
    height: 52px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.45);
    transition: all 0.3s;
    z-index: 90;
}
.whatsapp-fab:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 28px rgba(37,211,102,0.55);
}
.whatsapp-fab svg { width: 28px; height: 28px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .review-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-inner { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--grey-200);
        padding: 1rem 2rem 1.5rem;
        gap: 1rem;
        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    }
    .nav-cta { display: none; }
    .nav-toggle { display: block; }
    .page-hero h1 { font-size: 2.2rem; }
    .section-title { font-size: 1.9rem; }
    .card-grid { grid-template-columns: 1fr; }
    .card-grid-2 { grid-template-columns: 1fr; }
    .card-grid-4 { grid-template-columns: 1fr 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .review-grid { grid-template-columns: 1fr; }
    .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .stat-value { font-size: 2rem; }
    .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .compare-table { font-size: 0.8rem; }
    .cta-section h2 { font-size: 1.9rem; }
    .article-body { padding: 3rem 1.5rem; }
    .article-body h2 { font-size: 1.5rem; }
}
@media (max-width: 480px) {
    .page-hero { padding: 4rem 1.25rem 3rem; }
    .page-hero h1 { font-size: 1.85rem; }
    .section { padding: 3.5rem 1.25rem; }
    .card-grid-4 { grid-template-columns: 1fr; }
}