:root {
    --primary: #1e40af;
    --primary-hover: #1d4ed8;
    --secondary: #059669;
    --secondary-hover: #047857;
    --accent: #f59e0b;
    --dark: #0f172a;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-600: #475569;
    --gray-800: #1e293b;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-sans); color: var(--gray-800); background-color: #fff; line-height: 1.6; }
a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; height: auto; display: block; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }

/* Top Announcement / NAP Bar */
.top-nap-bar { background: var(--dark); color: #cbd5e1; font-size: 0.875rem; padding: 0.5rem 0; border-bottom: 1px solid #334155; }
.top-nap-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem; }
.nap-item { display: inline-flex; align-items: center; gap: 0.4rem; color: #cbd5e1; }
.nap-item:hover { color: #fff; }

/* Main Header & Navbar */
.site-header { background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.08); position: sticky; top: 0; z-index: 50; }
.navbar { display: flex; justify-content: space-between; align-items: center; height: 75px; }
.brand-logo { font-size: 1.4rem; font-weight: 800; color: var(--primary); display: flex; align-items: center; gap: 0.5rem; }
.brand-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; list-style: none; gap: 1.5rem; }
.nav-links a { font-weight: 600; font-size: 0.85rem; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.65rem 1.25rem; font-weight: 600; border-radius: 0.5rem; cursor: pointer; transition: all 0.2s; border: none; font-size: 0.95rem; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { background: var(--secondary-hover); color: #fff; }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: #fff; }

/* Hero Section */
.hero { background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%); color: #fff; padding: 5rem 0; text-align: center; }
.hero-content { max-width: 800px; margin: 0 auto; }
.hero h1 { font-size: 2.75rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.25rem; }
.hero p { font-size: 1.2rem; color: #e2e8f0; margin-bottom: 2rem; }
.hero-cta-group { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* Sections */
.section { padding: 4.5rem 0; }
.section-bg { background-color: var(--gray-50); }
.section-header { text-align: center; max-width: 650px; margin: 0 auto 3rem auto; }
.section-subtitle { color: var(--secondary); font-weight: 700; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.section-title { font-size: 2rem; font-weight: 800; color: var(--dark); line-height: 1.3; }
.section-desc { color: var(--gray-600); margin-top: 0.75rem; }

/* Services Grid */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.card { background: #fff; border-radius: 0.75rem; overflow: hidden; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.05); transition: transform 0.2s, box-shadow 0.2s; border: 1px solid var(--gray-200); display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }
.card-img { height: 220px; object-fit: cover; width: 100%; }
.card-body { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }
.card-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--dark); }
.card-price { color: var(--secondary); font-weight: 800; font-size: 1.15rem; margin-bottom: 0.75rem; }
.card-text { color: var(--gray-600); font-size: 0.95rem; margin-bottom: 1.25rem; flex-grow: 1; }

/* Review Stars & Testimonials */
.review-card { background: #fff; border-radius: 0.75rem; padding: 1.75rem; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); border: 1px solid var(--gray-200); }
.stars { color: #f59e0b; margin-bottom: 0.75rem; font-size: 1.1rem; }
.review-text { font-style: italic; color: var(--gray-600); margin-bottom: 1rem; }
.reviewer-info { display: flex; align-items: center; gap: 0.75rem; }
.reviewer-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--gray-200); display: flex; align-items: center; justify-content: center; font-weight: bold; color: var(--primary); }

/* NAP & Google Maps Box */
.nap-map-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
.nap-info-box { background: #fff; padding: 2.25rem; border-radius: 0.75rem; box-shadow: 0 4px 6px rgba(0,0,0,0.05); border: 1px solid var(--gray-200); }
.nap-row { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; font-size: 1rem; }
.nap-row i { font-size: 1.25rem; color: var(--primary); margin-top: 0.2rem; }
.map-container { border-radius: 0.75rem; overflow: hidden; box-shadow: 0 4px 6px rgba(0,0,0,0.05); border: 1px solid var(--gray-200); min-height: 380px; }

/* Blog Article Layout */
.article-container { max-width: 820px; margin: 0 auto; padding: 3rem 1.25rem; }
.article-header { margin-bottom: 2rem; }
.article-title { font-size: 2.5rem; font-weight: 800; color: var(--dark); line-height: 1.25; margin-bottom: 1rem; }
.article-meta { color: var(--gray-600); font-size: 0.95rem; display: flex; gap: 1.5rem; margin-bottom: 1.5rem; }
.article-cover { border-radius: 0.75rem; margin-bottom: 2.5rem; max-height: 480px; width: 100%; object-fit: cover; }
.article-content { font-size: 1.1rem; line-height: 1.8; color: #334155; }
.article-content h2 { font-size: 1.8rem; font-weight: 700; margin: 2.25rem 0 1rem 0; color: var(--dark); border-bottom: 2px solid var(--gray-200); padding-bottom: 0.5rem; }
.article-content h3 { font-size: 1.4rem; font-weight: 700; margin: 1.75rem 0 0.75rem 0; color: var(--dark); }
.article-content p { margin-bottom: 1.5rem; }
.article-content ul, .article-content ol { margin: 0 0 1.5rem 1.75rem; }
.article-content li { margin-bottom: 0.5rem; }
.article-content blockquote { border-left: 4px solid var(--primary); padding: 0.75rem 1.5rem; background: var(--gray-50); margin: 1.5rem 0; font-style: italic; border-radius: 0 0.5rem 0.5rem 0; }

/* Breadcrumbs */
.breadcrumbs { display: flex; gap: 0.5rem; font-size: 0.875rem; color: var(--gray-600); margin-bottom: 1.5rem; list-style: none; }
.breadcrumbs li+li:before { content: "/"; margin-right: 0.5rem; color: #94a3b8; }

/* Footer */
.site-footer { background: var(--dark); color: #cbd5e1; padding: 4.5rem 0 2rem 0; margin-top: 5rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 3rem; margin-bottom: 3.5rem; }
.footer-title { color: #fff; font-size: 1.15rem; font-weight: 700; margin-bottom: 1.25rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { color: #cbd5e1; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #334155; padding-top: 2rem; text-align: center; font-size: 0.875rem; color: #94a3b8; }

/* Responsive Mobile */
@media (max-width: 768px) {
    .nap-map-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .hero h1 { font-size: 2rem; }
    .navbar { height: auto; padding: 1rem 0; flex-direction: column; gap: 1rem; }
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 1rem; }
    .article-title { font-size: 1.85rem; }
}
/* Ẩn các class trên thiết bị có chiều rộng màn hình từ 768px trở xuống */

@media screen and (max-width: 768px) {
    .top-nap-bar, .hero {
        display: none !important;
    }
    .section-subtitle {
	    font-size: 0.85rem;
    }

    .section-title {
	    font-size: 1.5rem;
    }
}