* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

header {
    background: #FF8C00;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.1);
}

nav a.active {
    background: #F57C00;
}

.main-content {
    padding: 40px 0;
}

.service-section {
    margin-bottom: 40px;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

h2 {
    color: #1a73e8;
    margin-bottom: 15px;
}

.price-list {
    background-color: #f5f5f5;
    padding: 20px;
    border-radius: 5px;
    margin: 20px 0;
}

.contact-info {
    background-color: #e8f0fe;
    padding: 20px;
    border-radius: 5px;
    margin-top: 20px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.feature-item {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.main-nav {
    background-color: #FF8C00;
    padding: 10px 0;
}

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

.nav-list {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.nav-list a {
    color: #FFFFFF;
    text-decoration: none;
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background-color 0.3s, color 0.3s;
}

.nav-list a:hover {
    background-color: #F57C00;
    color: #FFE0B2;
}

.nav-list a.active {
    background-color: #F57C00;
    color: #FFE0B2;
}

.breadcrumb {
    padding: 10px 0;
    background: #f8f9fa;
    margin-bottom: 20px;
}

.breadcrumb a {
    color: #1a73e8;
    text-decoration: none;
}

.breadcrumb span {
    color: #666;
}

.faq-section {
    margin: 40px 0;
}

.faq-item {
    margin-bottom: 20px;
    padding: 15px;
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.faq-question {
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 10px;
}

.testimonials {
    margin: 40px 0;
}

.testimonial-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.testimonial-author {
    font-weight: bold;
    color: #1a73e8;
}

.cta-button {
    display: inline-block;
    background: #1a73e8;
    color: white;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    margin: 20px 0;
}

.cta-button:hover {
    background: #1557b0;
}

.blog-section {
    margin: 60px 0;
    padding: 40px 0;
    background-color: #f8f9fa;
}

.section-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: #666;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.blog-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
}

.blog-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: 20px;
}

.blog-title {
    color: #1a73e8;
    margin-bottom: 10px;
    font-size: 1.2em;
}

.blog-excerpt {
    color: #666;
    margin-bottom: 15px;
}

.read-more {
    color: #1a73e8;
    text-decoration: none;
    font-weight: bold;
}

.read-more:hover {
    text-decoration: underline;
}

.blog-categories {
    margin: 40px 0;
    text-align: center;
}

.blog-categories h3 {
    color: #1a73e8;
    margin-bottom: 20px;
}

.blog-categories ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.blog-categories a {
    color: #333;
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid #1a73e8;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.blog-categories a:hover {
    background-color: #1a73e8;
    color: white;
}

.blog-cta {
    text-align: center;
    margin-top: 40px;
}

/* =========================
   Footer (revamp)
   ========================= */
footer {
    background: radial-gradient(1200px 600px at 0% 0%, rgba(255, 140, 0, 0.20), transparent 60%),
        radial-gradient(1200px 600px at 100% 0%, rgba(255, 224, 178, 0.14), transparent 55%),
        linear-gradient(180deg, #4E342E 0%, #3E2723 100%);
    color: #F3F4F6;
    padding: 64px 0 28px;
}

footer .container {
    max-width: 1200px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 28px;
    align-items: start;
}

.footer-section {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 16px;
    padding: 18px 18px 16px;
    min-width: 0;
}

/* 4 cột -> tự động co giãn theo grid */
.footer-section:nth-child(1) { grid-column: span 3; }
.footer-section:nth-child(2) { grid-column: span 3; }
.footer-section:nth-child(3) { grid-column: span 3; }
.footer-section:nth-child(4) { grid-column: span 3; }

.footer-section h3 {
    color: #FFE0B2;
    font-size: 1.05rem;
    letter-spacing: 0.3px;
    margin: 0 0 12px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.footer-section li {
    color: rgba(243, 244, 246, 0.92);
    line-height: 1.5;
}

.footer-section li > a {
    color: rgba(243, 244, 246, 0.92);
    text-decoration: none;
}

.footer-section li > a:hover {
    color: #FFE0B2;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-section i {
    color: #FFB74D;
    margin-right: 8px;
}

/* Contact (hotline/mail) — bỏ inline màu cam nếu có */
.footer-section.contact-info a {
    color: #FFE0B2 !important;
    font-weight: 600;
    text-decoration: none;
}

.footer-section.contact-info a:hover {
    color: #FFCC80 !important;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-section p {
    color: rgba(243, 244, 246, 0.9);
    line-height: 1.65;
    margin: 0 0 10px;
}

.social-links {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #FFE0B2;
    font-size: 1.1rem;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.social-links a:hover {
    transform: translateY(-2px);
    background: rgba(255, 140, 0, 0.18);
    border-color: rgba(255, 140, 0, 0.28);
    color: #FFFFFF;
}

.footer-bottom {
    margin-top: 26px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    text-align: left;
    color: rgba(255, 255, 255, 0.75);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo img {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    object-fit: cover;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.10);
}

.footer-logo p {
    margin: 0;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
}

.footer-legal {
    margin-left: auto;
}

.footer-legal p {
    margin: 0 0 8px;
}

.legal-links a {
    color: rgba(255, 224, 178, 0.92);
    text-decoration: none;
    margin-left: 14px;
    font-size: 0.95rem;
}

.legal-links a:first-child {
    margin-left: 0;
}

.legal-links a:hover {
    color: #FFFFFF;
    text-decoration: underline;
    text-underline-offset: 3px;
}

@media (max-width: 992px) {
    .footer-section:nth-child(1),
    .footer-section:nth-child(2),
    .footer-section:nth-child(3),
    .footer-section:nth-child(4) {
        grid-column: span 6;
    }
}

@media (max-width: 768px) {
    footer {
        padding: 52px 0 22px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .footer-section:nth-child(1),
    .footer-section:nth-child(2),
    .footer-section:nth-child(3),
    .footer-section:nth-child(4) {
        grid-column: auto;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }

    .footer-legal {
        margin-left: 0;
        width: 100%;
    }

    .legal-links a {
        margin: 0 14px 0 0;
    }
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #FF8C00;
        padding: 1rem;
    }

    nav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
    }

    nav a {
        display: block;
        padding: 0.8rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .footer-legal {
        text-align: center;
    }
    .legal-links a {
        margin: 0 10px;
    }
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .footer-section {
        width: 100%;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .footer-links li {
        margin-bottom: 0.5rem;
    }
}

/* Bootstrap navbar helpers (mobile hamburger) */
.main-nav.navbar {
    background-color: #FF8C00;
    padding: 10px 0;
}

.main-nav .navbar-nav .nav-link {
    color: #FFFFFF;
    font-weight: 700;
    padding: 8px 12px;
    border-radius: 6px;
}

.main-nav .navbar-nav .nav-link:hover {
    background-color: #F57C00;
    color: #FFE0B2;
}

.main-nav .navbar-nav .nav-link.active,
.main-nav .navbar-nav .nav-link[aria-current="page"] {
    background-color: #F57C00;
    color: #FFE0B2;
}

/* Toggler icon visible on orange background */
.main-nav .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.6);
}

.main-nav .navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 224, 178, 0.35);
}

.main-nav .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.95)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Disable old mobile rule that hides nav completely */
@media (max-width: 768px) {
    nav.main-nav {
        display: block;
        position: static;
        padding: 10px 0;
    }

    nav.main-nav.active {
        display: block;
    }

    /* keep list stacked on mobile when collapsed is open */
    .nav-list {
        align-items: flex-start;
        gap: 6px;
    }
}

.zalo-float {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 9999;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: box-shadow 0.3s, transform 0.3s;
}
.zalo-float img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}
.zalo-float:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    transform: scale(1.08);
    background: #e0f7fa;
}

.phone-float {
    position: fixed;
    right: 24px;
    bottom: 94px;
    z-index: 9999;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: box-shadow 0.3s, transform 0.3s;
}
.phone-float img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}
.phone-float:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    transform: scale(1.08);
    background: #fff3e0;
}

.facebook-float {
    position: fixed;
    right: 24px;
    bottom: 164px; /* nằm trên phone (94px) và zalo (24px) */
    z-index: 9999;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: box-shadow 0.3s, transform 0.3s;
}

.facebook-float img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.facebook-float:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    transform: scale(1.08);
    background: #e3f2fd;
}