/* ===== KhoaTuKhachSan Theme - Smart Home Modern Luxury ===== */
:root {
    --color-primary: #1a1a2e;
    --color-primary-light: #16213e;
    --color-primary-dark: #0f0f1e;
    --color-accent: #c9a227;
    --color-accent-light: #e6c065;
    --color-accent-dark: #a08419;
    --color-text: #1a1a2e;
    --color-text-light: #6b7280;
    --color-text-muted: #9ca3af;
    --color-bg: #ffffff;
    --color-bg-soft: #fafafa;
    --color-bg-card: #ffffff;
    --color-border: #e5e7eb;
    --color-success: #10b981;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 10px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.05);
    --shadow-xl: 0 20px 50px -10px rgb(0 0 0 / 0.15);
    --radius: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'Be Vietnam Pro', 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ===== Typography ===== */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; color: var(--color-primary); }
h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }
h4 { font-size: 1.125rem; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 28px; border-radius: var(--radius); font-weight: 600;
    font-size: 0.9375rem; transition: var(--transition); gap: 8px;
    border: 2px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-ghost { background: transparent; color: var(--color-primary); }
.btn-ghost:hover { color: var(--color-accent); }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 8px 18px; font-size: 0.875rem; }

/* ===== Top Bar ===== */
.top-bar { background: var(--color-primary-dark); color: #cbd5e1; padding: 8px 0; font-size: 0.8125rem; }
.top-bar-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.top-bar a { color: #cbd5e1; }
.top-bar a:hover { color: var(--color-accent); }
.top-bar .social-links { display: flex; gap: 12px; }

/* ===== Header ===== */
.site-header { background: #fff; border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; gap: 32px; }
.site-logo { display: flex; align-items: center; gap: 12px; }
.site-logo-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 1.25rem; font-family: var(--font-display); }
.site-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.site-logo-text strong { font-family: var(--font-display); font-size: 1.25rem; color: var(--color-primary); font-weight: 700; }
.site-logo-text span { font-size: 0.7rem; color: var(--color-text-light); letter-spacing: 0.5px; }

.main-nav { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center; }
.main-nav a { padding: 10px 16px; font-weight: 500; font-size: 0.9375rem; border-radius: 8px; color: var(--color-text); }
.main-nav a:hover, .main-nav a.active { color: var(--color-accent); background: rgba(201, 162, 39, 0.08); }
.main-nav .dropdown { position: relative; }
.main-nav .dropdown-menu { position: absolute; top: 100%; left: 0; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-xl); padding: 12px; min-width: 240px; opacity: 0; visibility: hidden; transform: translateY(10px); transition: var(--transition); }
.main-nav .dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav .dropdown-menu a { display: block; padding: 10px 14px; border-radius: 6px; }

/* ===== Mega Menu (product categories with thumbnails) ===== */
.main-nav .dropdown-mega .mega-menu { left: 50%; transform: translate(-50%, 10px); min-width: 640px; max-width: 92vw; padding: 20px; border-radius: var(--radius-lg); }
.main-nav .dropdown-mega:hover .mega-menu { transform: translate(-50%, 0); }
.mega-menu-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.mega-menu-item { display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: 10px; border: 1px solid transparent; }
.mega-menu-item:hover { background: rgba(201, 162, 39, 0.08); border-color: rgba(201, 162, 39, 0.25); }
.mega-menu-item-thumb { flex-shrink: 0; width: 56px; height: 56px; border-radius: 10px; overflow: hidden; background: var(--color-bg-soft); border: 1px solid var(--color-border); }
.mega-menu-item-thumb img { width: 100%; height: 100%; object-fit: cover; }
.mega-menu-item-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.mega-menu-item-body strong { font-size: 0.9375rem; color: var(--color-primary); font-weight: 600; white-space: normal; line-height: 1.3; }
.mega-menu-item-body small { font-size: 0.75rem; color: var(--color-text-light); }
.mega-menu-viewall { display: block; text-align: center; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--color-border); font-weight: 600; color: var(--color-accent); }
.mega-menu-viewall:hover { color: var(--color-accent-dark); }
@media (max-width: 900px) {
    .main-nav .dropdown-mega .mega-menu { left: 0; transform: translateY(10px); min-width: 320px; }
    .main-nav .dropdown-mega:hover .mega-menu { transform: translateY(0); }
    .mega-menu-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

.header-actions { display: flex; align-items: center; gap: 12px; }
.hotline { display: flex; align-items: center; gap: 8px; padding: 8px 14px; background: rgba(201, 162, 39, 0.08); border-radius: var(--radius); }
.hotline-icon { width: 32px; height: 32px; background: var(--color-accent); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; }
.hotline-text { display: flex; flex-direction: column; line-height: 1.1; }
.hotline-text small { font-size: 0.6875rem; color: var(--color-text-light); }
.hotline-text strong { color: var(--color-primary); font-size: 0.9375rem; }
.wishlist-link { display: flex; align-items: center; gap: 4px; padding: 8px 12px; border-radius: var(--radius); transition: var(--transition); }
.wishlist-link:hover { background: rgba(201, 162, 39, 0.08); }
.wishlist-link span:first-child { font-size: 1.25rem; color: var(--color-text); }
.wishlist-count { background: var(--color-accent); color: #fff; font-size: 0.75rem; font-weight: 700; padding: 2px 6px; border-radius: 10px; min-width: 18px; text-align: center; }

.mobile-toggle { display: none; background: none; border: none; padding: 8px; cursor: pointer; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--color-primary); margin: 5px 0; transition: var(--transition); }

/* ===== Hero Slider ===== */
.hero { position: relative; overflow: hidden; }
.hero-slider { position: relative; height: 600px; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease-in-out; display: flex; align-items: center; }
.hero-slide.active { opacity: 1; }
.hero-slide-bg { position: absolute; inset: 0; z-index: -1; }
.hero-slide-bg::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(26, 26, 46, 0.92) 0%, rgba(22, 33, 62, 0.85) 100%); z-index: 1; }
.hero-slide-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide-content { position: relative; z-index: 2; color: #fff; max-width: 720px; padding: 0 24px; margin: 0 auto; width: 100%; }
.hero-slide-content h1 { color: #fff; margin-bottom: 20px; }
.hero-slide-content p { font-size: 1.125rem; margin-bottom: 32px; color: rgba(255,255,255,0.9); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-dots { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 10; }
.hero-dot { width: 40px; height: 4px; background: rgba(255,255,255,0.4); border-radius: 2px; cursor: pointer; transition: var(--transition); }
.hero-dot.active { background: var(--color-accent); width: 60px; }

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title .eyebrow { display: inline-block; padding: 6px 16px; background: rgba(201, 162, 39, 0.1); color: var(--color-accent); border-radius: 50px; font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }
.section-title h2 { margin-bottom: 12px; }
.section-title p { color: var(--color-text-light); font-size: 1.0625rem; max-width: 700px; margin: 0 auto; }

/* ===== Category Cards ===== */
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.category-card { position: relative; padding: 36px 28px; border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%); color: #fff; transition: var(--transition); overflow: hidden; min-height: 240px; display: flex; flex-direction: column; justify-content: space-between; }
.category-card::before { content: ''; position: absolute; top: -50%; right: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(201, 162, 39, 0.15) 0%, transparent 60%); transition: var(--transition); }
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.category-card:hover::before { transform: scale(1.2); }
.category-card-icon { width: 56px; height: 56px; background: rgba(201, 162, 39, 0.2); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; color: var(--color-accent); }
.category-card h3 { color: #fff; margin-bottom: 8px; position: relative; }
.category-card p { color: rgba(255,255,255,0.8); font-size: 0.9375rem; position: relative; }
.category-card .arrow { display: inline-flex; align-items: center; gap: 8px; color: var(--color-accent); font-weight: 600; font-size: 0.875rem; margin-top: 20px; position: relative; }

/* ===== Product Cards ===== */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.product-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); transition: var(--transition); display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); border-color: var(--color-accent); }
.product-card-image { position: relative; padding-top: 100%; overflow: hidden; background: var(--color-bg-soft); }
.product-card-image img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.product-card:hover .product-card-image img { transform: scale(1.08); }
.product-card-badges { position: absolute; top: 12px; left: 12px; display: flex; flex-direction: column; gap: 6px; z-index: 2; }
.badge { padding: 4px 10px; border-radius: 6px; font-size: 0.6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.badge-hot { background: var(--color-danger); color: #fff; }
.badge-new { background: var(--color-success); color: #fff; }
.badge-featured { background: var(--color-accent); color: #fff; }
.product-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.product-card-category { font-size: 0.75rem; color: var(--color-accent); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; margin-bottom: 6px; }
.product-card-title { font-family: var(--font-display); font-size: 1.0625rem; font-weight: 600; color: var(--color-primary); margin-bottom: 8px; line-height: 1.4; }
.product-card-title a:hover { color: var(--color-accent); }
.product-card-desc { font-size: 0.875rem; color: var(--color-text-light); margin-bottom: 16px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px solid var(--color-border); margin-top: auto; }
.product-price { font-family: var(--font-display); font-weight: 700; color: var(--color-primary); font-size: 1.125rem; }
.product-price-text { color: var(--color-text-light); font-style: italic; }

/* ===== Buttons Group ===== */
.cta-section { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%); color: #fff; padding: 80px 0; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -50%; right: -10%; width: 60%; height: 200%; background: radial-gradient(circle, rgba(201, 162, 39, 0.15) 0%, transparent 60%); }
.cta-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 32px; position: relative; }
.cta-content h2 { color: #fff; margin-bottom: 12px; }
.cta-content p { color: rgba(255,255,255,0.85); font-size: 1.0625rem; }

/* ===== Features Grid ===== */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.feature-card { padding: 32px 24px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); transition: var(--transition); }
.feature-card:hover { border-color: var(--color-accent); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-card-icon { width: 56px; height: 56px; background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; margin-bottom: 20px; }
.feature-card h4 { margin-bottom: 8px; }
.feature-card p { color: var(--color-text-light); font-size: 0.9375rem; }

/* ===== Blog Cards ===== */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.blog-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); transition: var(--transition); display: flex; flex-direction: column; }
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.blog-card-image { height: 220px; overflow: hidden; background: var(--color-bg-soft); }
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.blog-card:hover .blog-card-image img { transform: scale(1.05); }
.blog-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.blog-card-meta { display: flex; gap: 16px; margin-bottom: 12px; font-size: 0.8125rem; color: var(--color-text-light); }
.blog-card-meta span { display: flex; align-items: center; gap: 4px; }
.blog-card-title { font-family: var(--font-display); font-size: 1.25rem; margin-bottom: 12px; line-height: 1.4; }
.blog-card-excerpt { color: var(--color-text-light); font-size: 0.9375rem; margin-bottom: 16px; flex: 1; }

/* ===== Footer ===== */
.site-footer { background: var(--color-primary-dark); color: #cbd5e1; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-col h4 { color: #fff; margin-bottom: 20px; font-family: var(--font-sans); font-size: 1rem; text-transform: uppercase; letter-spacing: 1px; }
.footer-col p { font-size: 0.9375rem; line-height: 1.7; color: #94a3b8; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #cbd5e1; font-size: 0.9375rem; transition: var(--transition); }
.footer-col a:hover { color: var(--color-accent); padding-left: 4px; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; font-size: 0.9375rem; }
.footer-contact-item .icon { flex-shrink: 0; color: var(--color-accent); }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a { width: 38px; height: 38px; border-radius: 8px; background: rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: center; color: #cbd5e1; transition: var(--transition); }
.footer-social a:hover { background: var(--color-accent); color: #fff; transform: translateY(-2px); }
.footer-bottom { padding: 24px 0; text-align: center; font-size: 0.875rem; color: #94a3b8; }

/* ===== Page Header ===== */
.page-header { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%); color: #fff; padding: 80px 0 60px; position: relative; overflow: hidden; }
.page-header::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><circle cx='50' cy='50' r='1' fill='%23c9a227' opacity='0.15'/></svg>") repeat; }
.page-header-content { position: relative; text-align: center; }
.page-header h1 { color: #fff; margin-bottom: 12px; }
.page-header p { color: rgba(255,255,255,0.85); font-size: 1.125rem; max-width: 700px; margin: 0 auto; }
.breadcrumb { display: flex; justify-content: center; gap: 8px; margin-top: 16px; font-size: 0.875rem; color: rgba(255,255,255,0.7); }
.breadcrumb a { color: var(--color-accent); }

/* ===== Product Detail ===== */
.product-detail { padding: 64px 0; }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.product-detail-image { border-radius: var(--radius-lg); overflow: hidden; background: var(--color-bg-soft); position: sticky; top: 100px; }
.product-detail-image img { width: 100%; height: auto; }
.product-detail-info h1 { margin-bottom: 16px; }
.product-detail-meta { display: flex; gap: 16px; align-items: center; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--color-border); }
.product-detail-meta .brand { font-weight: 600; color: var(--color-accent); }
.product-detail-meta .sku { color: var(--color-text-light); font-size: 0.9375rem; }
.product-detail-price { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--color-primary); margin-bottom: 24px; }
.product-detail-description { color: var(--color-text-light); line-height: 1.8; margin-bottom: 32px; }
.product-detail-specs { background: var(--color-bg-soft); padding: 24px; border-radius: var(--radius); margin-bottom: 24px; }
.product-detail-specs h4 { margin-bottom: 16px; }
.product-detail-specs table { width: 100%; }
.product-detail-specs td { padding: 8px 0; border-bottom: 1px solid var(--color-border); }
.product-detail-specs td:first-child { font-weight: 600; color: var(--color-primary); width: 40%; }
.product-features { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.product-features span { padding: 6px 14px; background: rgba(201, 162, 39, 0.1); color: var(--color-accent); border-radius: 50px; font-size: 0.875rem; font-weight: 500; }

/* ===== Forms ===== */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.9375rem; }
.form-control { width: 100%; padding: 12px 16px; border: 1.5px solid var(--color-border); border-radius: var(--radius); font-family: inherit; font-size: 1rem; transition: var(--transition); background: #fff; }
.form-control:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.1); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-error { color: var(--color-danger); font-size: 0.875rem; margin-top: 4px; }

/* ===== Alert ===== */
.alert { padding: 16px 20px; border-radius: var(--radius); margin-bottom: 24px; border: 1px solid transparent; }
.alert-success { background: rgba(16, 185, 129, 0.1); color: #047857; border-color: rgba(16, 185, 129, 0.2); }
.alert-error { background: rgba(239, 68, 68, 0.1); color: #b91c1c; border-color: rgba(239, 68, 68, 0.2); }
.alert-info { background: rgba(59, 130, 246, 0.1); color: #1d4ed8; border-color: rgba(59, 130, 246, 0.2); }

/* ===== Contact Page ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info-card { padding: 28px; background: var(--color-bg-soft); border-radius: var(--radius-lg); margin-bottom: 16px; display: flex; gap: 20px; align-items: flex-start; }
.contact-info-card .icon { width: 48px; height: 48px; background: var(--color-accent); color: #fff; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-card h4 { margin-bottom: 4px; font-family: var(--font-sans); font-size: 1rem; }
.contact-info-card p { color: var(--color-text-light); font-size: 0.9375rem; line-height: 1.6; }
.contact-info-card a { color: var(--color-primary); font-weight: 600; }
.contact-info-card a:hover { color: var(--color-accent); }

/* ===== Filters ===== */
.filter-bar { display: flex; gap: 16px; margin-bottom: 32px; flex-wrap: wrap; align-items: center; justify-content: space-between; background: #fff; padding: 16px 20px; border-radius: var(--radius); border: 1px solid var(--color-border); }
.filter-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.filter-tab { padding: 8px 16px; border-radius: 8px; font-size: 0.875rem; font-weight: 500; color: var(--color-text); background: var(--color-bg-soft); border: 1px solid transparent; cursor: pointer; transition: var(--transition); text-decoration: none; }
.filter-tab.active, .filter-tab:hover { background: var(--color-accent); color: #fff; }

/* ===== Article ===== */
.article-content { font-size: 1.0625rem; line-height: 1.9; color: #374151; }
.article-content h2, .article-content h3 { margin: 32px 0 16px; color: var(--color-primary); }
.article-content p { margin-bottom: 16px; }
.article-content ul, .article-content ol { margin: 16px 0 16px 24px; }
.article-content img { border-radius: var(--radius); margin: 24px 0; }
.article-content blockquote { padding: 16px 24px; border-left: 4px solid var(--color-accent); background: var(--color-bg-soft); margin: 24px 0; font-style: italic; }

/* ===== Sidebar ===== */
.with-sidebar { display: grid; grid-template-columns: 1fr 320px; gap: 40px; }
.sidebar-widget { background: var(--color-bg-soft); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px; }
.sidebar-widget h4 { margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--color-accent); }
.sidebar-widget ul { list-style: none; }
.sidebar-widget li { margin-bottom: 8px; }
.sidebar-widget a { display: block; padding: 8px 12px; border-radius: 6px; transition: var(--transition); font-size: 0.9375rem; }
.sidebar-widget a:hover { background: rgba(201, 162, 39, 0.1); color: var(--color-accent); }

/* ===== Animations ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeInUp 0.6s ease-out forwards; }

/* ===== neo ecosystem homepage ===== */
.neo-hero { position: relative; overflow: hidden; min-height: 690px; padding: 92px 0 76px; background: #0a101d; color: #fff; isolation: isolate; }
.neo-hero::before { content: ''; position: absolute; inset: 0; z-index: -2; opacity: .22; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 70px 70px; mask-image: linear-gradient(to right, #000, transparent 75%); }
.neo-hero-glow { position: absolute; z-index: -1; border-radius: 50%; filter: blur(1px); pointer-events: none; }
.neo-hero-glow-one { width: 620px; height: 620px; right: -100px; top: -160px; background: radial-gradient(circle, rgba(15,139,141,.34), transparent 67%); }
.neo-hero-glow-two { width: 430px; height: 430px; left: 26%; bottom: -330px; background: radial-gradient(circle, rgba(201,162,39,.16), transparent 70%); }
.neo-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.neo-kicker { display: inline-flex; align-items: center; gap: 10px; color: #aeb9c9; font-size: .75rem; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; margin-bottom: 24px; }
.neo-kicker i { width: 24px; height: 1px; background: var(--color-accent); }
.neo-hero-copy h1 { max-width: 760px; color: #fff; font-size: clamp(2.7rem, 5vw, 5.1rem); line-height: 1.04; letter-spacing: -.055em; margin-bottom: 28px; }
.neo-hero-copy h1 span { color: #d8b646; }
.neo-hero-copy > p { max-width: 670px; color: #b6c0cf; font-size: 1.08rem; line-height: 1.8; }
.neo-hero-copy > p strong { color: #fff; }
.neo-hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.neo-btn-light { color: #fff; border: 1px solid rgba(255,255,255,.35); }
.neo-btn-light:hover { color: #0a101d; background: #fff; }
.neo-proof { display: flex; gap: 38px; margin-top: 48px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.11); max-width: 600px; }
.neo-proof div { display: flex; gap: 10px; align-items: center; }
.neo-proof strong { font: 700 1.2rem var(--font-display); color: #fff; }
.neo-proof span { color: #778598; font-size: .7rem; line-height: 1.35; text-transform: uppercase; letter-spacing: .06em; }
.neo-hero-visual { position: relative; min-height: 510px; }
.neo-orbit { position: absolute; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%,-50%); }
.neo-orbit-one { width: 440px; height: 440px; }.neo-orbit-two { width: 330px; height: 330px; border-color: rgba(201,162,39,.22); }
.neo-lock-device { position: absolute; width: 128px; height: 390px; left: 50%; top: 48%; transform: translate(-50%,-50%) rotate(4deg); border-radius: 42px 42px 30px 30px; background: linear-gradient(145deg,#27303c,#080c12 68%); box-shadow: -18px 25px 55px #02050a, inset 2px 1px 2px rgba(255,255,255,.24); border: 1px solid #3f4852; }
.device-brand { display:block; text-align:center; color:#77818d; font-size:.64rem; letter-spacing:.12em; padding-top:40px; }
.device-screen { width:64px; height:83px; margin:28px auto; border-radius:15px; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:7px; background:#080e13; border:1px solid #334048; box-shadow:inset 0 0 25px rgba(28,190,172,.1); }
.device-screen i { width:18px;height:23px;border:2px solid #41c6af;border-radius:50% 50% 45% 45%;box-shadow:0 0 14px rgba(65,198,175,.55); }.device-screen small {font-size:.42rem;letter-spacing:.14em;color:#41c6af}
.device-handle { position:absolute; width:160px;height:27px;left:61px;top:210px;border-radius:6px 16px 16px 6px;background:linear-gradient(#343d47,#11161d);box-shadow:0 14px 20px rgba(0,0,0,.45);transform:rotate(-3deg); }
.neo-float-card { position:absolute; display:flex; align-items:center; gap:11px; min-width:170px; padding:13px 15px; background:rgba(19,27,39,.84); border:1px solid rgba(255,255,255,.13); border-radius:13px; backdrop-filter:blur(15px); box-shadow:0 15px 30px rgba(0,0,0,.25); }
.neo-float-card > span { display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:rgba(65,198,175,.13);color:#41c6af; }.neo-float-card div{display:flex;flex-direction:column}.neo-float-card small{font-size:.53rem;letter-spacing:.11em;color:#778598}.neo-float-card strong{font-size:.77rem;color:#fff;margin-top:2px}.card-app{right:0;top:18%}.card-home{left:0;bottom:19%}.card-hotel{right:2%;bottom:8%}
.neo-brand-strip { background:#fff; border-bottom:1px solid var(--color-border); }.neo-brand-strip .container { min-height:92px; display:flex;align-items:center;justify-content:space-around;gap:28px; }.neo-brand-strip span{font:800 1.25rem var(--font-display);letter-spacing:-.03em}.neo-brand-strip small{font:600 .55rem var(--font-sans);color:#9aa1ac;letter-spacing:.13em;margin-left:8px}.neo-brand-strip i{width:4px;height:4px;background:#d7d9dd;border-radius:50%}
.neo-products { padding-top:110px; }.neo-section-head { display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:48px; }.neo-section-head > div{flex:1}.neo-section-head .eyebrow,.neo-solutions .eyebrow{color:#8d731d;background:#f8f2dd}.neo-section-head h2{font-size:clamp(2rem,3.6vw,3.5rem);letter-spacing:-.045em;margin-top:14px}.neo-section-head > p{max-width:480px;color:var(--color-text-light);font-size:1rem;line-height:1.8}.neo-section-head.compact h2{font-size:2.5rem}.neo-section-head.compact{align-items:center}
.neo-product-pillars { display:grid;grid-template-columns:1fr 1fr;gap:24px; }.neo-pillar{min-height:540px;border-radius:22px;overflow:hidden;position:relative;padding:48px;transition:transform .35s ease,box-shadow .35s ease}.neo-pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl)}.neo-pillar-dark{background:#111927;color:#fff}.neo-pillar-light{background:#eaf1ef;color:#152522}.neo-pillar-content{position:relative;z-index:2;max-width:68%}.neo-pillar-number{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:#b99a35}.neo-pillar h3{font-size:clamp(1.8rem,2.7vw,2.65rem);letter-spacing:-.04em;margin:20px 0;color:inherit}.neo-pillar p{font-size:.92rem;line-height:1.75;opacity:.72}.neo-pillar ul{list-style:none;margin-top:23px;font-size:.78rem;display:flex;flex-direction:column;gap:8px}.neo-pillar li::before{content:'✓';color:#31a995;margin-right:8px}.neo-text-link{display:inline-flex;align-items:center;gap:10px;margin-top:29px;font-size:.85rem;font-weight:700}.neo-text-link b{color:#b99a35;transition:transform .25s}.neo-pillar:hover .neo-text-link b{transform:translateX(5px)}
.neo-pillar-art{position:absolute;right:-5%;bottom:0;width:42%;height:86%}.neo-lock-art div{position:absolute;right:32px;bottom:-20px;width:104px;height:370px;border-radius:37px 37px 20px 20px;background:linear-gradient(145deg,#4a5562,#080c12 70%);box-shadow:-15px 18px 38px rgba(0,0,0,.55);transform:rotate(5deg)}.neo-lock-art div::after{content:'';position:absolute;top:92px;left:29px;width:44px;height:62px;border-radius:12px;background:#080d11;border:1px solid #405057}.neo-lock-art i{position:absolute;right:-20px;bottom:145px;width:170px;height:24px;border-radius:12px;background:linear-gradient(#4b5560,#131920);transform:rotate(1deg)}.neo-home-art div{position:absolute;right:18px;top:100px;width:150px;height:150px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#269985;font-size:3.2rem;box-shadow:0 30px 55px rgba(27,70,60,.15)}.neo-home-art span,.neo-home-art i{position:absolute;border-radius:50%;border:1px solid rgba(38,153,133,.22);right:-16px;top:65px;width:220px;height:220px}.neo-home-art i{right:-63px;top:18px;width:310px;height:310px}
.neo-solutions{background:#f6f7f8;padding:110px 0}.neo-solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.neo-solution-card{padding:45px;border-radius:20px;background:#fff;border:1px solid #e5e8eb;box-shadow:0 12px 35px rgba(21,31,45,.04)}.neo-solution-featured{background:#111927;color:#fff;border-color:#111927}.neo-solution-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:14px;background:#e7f5f1;color:#168c79;font:700 1.2rem var(--font-display);margin-bottom:32px}.neo-solution-card>span{font-size:.65rem;text-transform:uppercase;letter-spacing:.1em;color:#9b812a;font-weight:700}.neo-solution-card h3{font-size:1.75rem;margin:12px 0 16px;color:inherit}.neo-solution-card p{color:#6b7280;line-height:1.75;font-size:.92rem}.neo-solution-featured p{color:#aeb9c9}.neo-flow{display:flex;align-items:center;justify-content:space-between;gap:9px;margin:28px 0;padding:17px;border-radius:10px;background:#f6f7f8;font-size:.7rem;font-weight:700}.neo-solution-featured .neo-flow{background:rgba(255,255,255,.07)}.neo-flow b{color:#b99a35}.neo-solution-card>a{font-size:.82rem;font-weight:700;color:#90751e}.neo-solution-featured>a{color:#d8b646}.neo-featured-products{background:#fff}.neo-trust{background:#0a101d;color:#fff;padding:105px 0}.neo-trust .container{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.neo-trust-intro>span,.neo-cta span{font-size:.67rem;letter-spacing:.13em;text-transform:uppercase;color:#d0ae3d;font-weight:700}.neo-trust-intro h2{color:#fff;font-size:2.6rem;margin-top:15px;letter-spacing:-.04em}.neo-trust-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid rgba(255,255,255,.12);border-left:1px solid rgba(255,255,255,.12)}.neo-trust-grid>div{padding:28px;border-right:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12)}.neo-trust-grid strong{color:#d0ae3d;font-size:.68rem}.neo-trust-grid h3{color:#fff;font:600 1rem var(--font-sans);margin:16px 0 7px}.neo-trust-grid p{color:#7f8b9b;font-size:.8rem;line-height:1.6}.neo-cta{padding:85px 0;background:#182232;color:#fff}.neo-cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:end}.neo-cta h2{color:#fff;font-size:2.65rem;letter-spacing:-.04em;margin-top:14px}.neo-cta p{color:#9eabbc;margin-bottom:23px}.neo-cta .neo-phone{margin-left:25px;color:#fff;font-weight:700}

@media(max-width:1024px){.neo-hero-grid{grid-template-columns:1fr}.neo-hero-visual{display:none}.neo-product-pillars{grid-template-columns:1fr}.neo-pillar-content{max-width:70%}.neo-trust .container{grid-template-columns:1fr}.neo-cta-inner{gap:35px}.neo-hero{min-height:auto}}
@media(max-width:768px){.neo-hero{padding:70px 0 55px}.neo-hero-copy h1{font-size:2.65rem}.neo-proof{gap:18px;justify-content:space-between}.neo-proof div{display:block}.neo-proof span{display:block;margin-top:4px}.neo-brand-strip small,.neo-brand-strip i{display:none}.neo-brand-strip .container{min-height:72px;gap:12px}.neo-brand-strip span{font-size:1rem}.neo-section-head{display:block}.neo-section-head>p{margin-top:20px}.neo-products,.neo-solutions{padding:72px 0}.neo-pillar{padding:32px;min-height:570px}.neo-pillar-content{max-width:100%}.neo-pillar-art{height:45%;width:55%;opacity:.65}.neo-solution-grid,.neo-cta-inner{grid-template-columns:1fr}.neo-solution-card{padding:30px}.neo-flow{font-size:.61rem}.neo-trust{padding:72px 0}.neo-trust-intro h2,.neo-cta h2{font-size:2rem}.neo-trust-grid{grid-template-columns:1fr}.neo-cta{padding:65px 0}.neo-cta .neo-phone{display:inline-block;margin:18px 0 0 16px}.neo-section-head.compact>a{margin-top:20px}}

/* ===== Solutions Section ===== */
.solutions-section {
  padding: 100px 0;
  background: var(--color-bg, #ffffff);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.solution-card {
  display: block;
  background: linear-gradient(145deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border: 1px solid rgba(201, 162, 39, 0.2);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.solution-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent, #c9a227);
  box-shadow: 0 20px 40px rgba(201, 162, 39, 0.15);
}

.solution-image {
  position: relative;
  padding-top: 66.67%;
  overflow: hidden;
  background: #1a1a2e;
}

.solution-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.solution-card:hover .solution-image img {
  transform: scale(1.05);
}

.solution-content {
  padding: 24px;
}

.solution-title {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 12px;
}

.solution-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin: 0 0 20px;
}

.solution-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent, #c9a227);
  font-size: 14px;
  font-weight: 600;
  transition: gap 0.3s ease;
}

.solution-card:hover .solution-link {
  gap: 14px;
}

@media (max-width: 768px) {
  .solutions-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .product-detail-grid, .contact-grid { grid-template-columns: 1fr; }
    .with-sidebar { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .main-nav { display: none; }
    .main-nav.open { display: flex; flex-direction: column; align-items: stretch; position: absolute; top: 100%; left: 0; right: 0; background: #fff; padding: 16px; box-shadow: var(--shadow-lg); border-top: 1px solid var(--color-border); }
    .main-nav.open a { display: block; }
    .main-nav.open .dropdown-menu { position: static; min-width: 0; max-width: none; box-shadow: none; padding: 8px 0 0 12px; opacity: 0; visibility: hidden; max-height: 0; overflow: hidden; transform: none; }
    .main-nav.open .dropdown.open .dropdown-menu { opacity: 1; visibility: visible; max-height: 80vh; overflow: auto; }
    .main-nav.open .dropdown-mega .mega-menu,
    .main-nav.open .dropdown-mega:hover .mega-menu { left: auto; transform: none; min-width: 0; }
    .main-nav.open .mega-menu-grid { grid-template-columns: 1fr; }
    .mobile-toggle { display: block; }
    .hotline-text, .top-bar .left { display: none; }
    .hero-slider { height: 480px; }
    .hero-slide-content h1 { font-size: 1.75rem; }
    .section { padding: 56px 0; }
    .cta-inner { flex-direction: column; text-align: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .product-detail-image { position: static; }
    .top-bar-inner { justify-content: center; }
}

/* ===== Product Gallery ===== */
.product-gallery { display: flex; flex-direction: column; gap: 16px; }
.gallery-main { border-radius: var(--radius-lg); overflow: hidden; background: var(--color-bg-soft); }
.gallery-main img { width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 8px; }
.gallery-thumb { flex-shrink: 0; width: 80px; height: 80px; border-radius: var(--radius); overflow: hidden; border: 2px solid transparent; cursor: pointer; transition: var(--transition); background: var(--color-bg-soft); padding: 0; }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb:hover { border-color: var(--color-accent); }
.gallery-thumb.active { border-color: var(--color-accent); }
.gallery-thumb:focus { outline: none; }

/* ===== Wishlist Button ===== */
.wishlist-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    z-index: 5;
}
.wishlist-btn:hover { transform: scale(1.1); background: var(--color-accent); color: #fff; }
.wishlist-btn.active { background: var(--color-accent); color: #fff; }
.wishlist-btn svg { width: 20px; height: 20px; }
.wishlist-btn .heart-fill { fill: currentColor; }

/* ===== Reviews ===== */
.reviews-section { margin-top: 48px; padding-top: 48px; border-top: 1px solid var(--color-border); }
.reviews-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.reviews-summary { display: flex; align-items: center; gap: 16px; }
.rating-score { font-size: 3rem; font-weight: 700; color: var(--color-primary); }
.rating-stars { color: var(--color-accent); font-size: 1.5rem; }
.review-item { padding: 24px 0; border-bottom: 1px solid var(--color-border); }
.review-header { display: flex; justify-content: space-between; margin-bottom: 12px; }
.reviewer-name { font-weight: 600; }
.review-date { color: var(--color-text-light); font-size: 0.875rem; }
.review-content { color: var(--color-text); line-height: 1.7; }
.review-form { margin-top: 32px; padding: 24px; background: var(--color-bg-soft); border-radius: var(--radius-lg); }
.star-rating { display: flex; gap: 4px; }
.star-rating button { background: none; border: none; cursor: pointer; color: var(--color-border); font-size: 1.5rem; padding: 0; transition: var(--transition); }
.star-rating button:hover, .star-rating button.active { color: var(--color-accent); }