:root {
    --primary: #0084ff;
    --primary-dark: #0056b3;
    --secondary: #ff6b00;
    --secondary-hover: #e05d00;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
}

* { box-sizing: border-box; margin: 0; padding: 0; scroll-behavior: smooth; }
body { font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: var(--dark); background: #f1f5f9; }
.container { max-width: 1140px; margin: auto; padding: 0 20px; }
.main-content-padding { margin-top: 40px; }
img { max-width: 100%; height: auto; display: block; object-fit: cover; }

/* Navigation Menu */
header { background: #ffffff; box-shadow: 0 4px 20px rgba(0,0,0,0.08); position: sticky; top: 0; z-index: 1000; }
.header-container { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; position: relative; }
.logo-box { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: var(--primary); text-decoration: none; }
.logo-icon { font-size: 1.8rem; color: var(--secondary); }

.nav-menu { display: flex; gap: 25px; list-style: none; align-items: center; }
.nav-menu a { text-decoration: none; color: var(--dark); font-weight: 600; font-size: 0.95rem; transition: color 0.3s; }
.nav-menu a:hover { color: var(--primary); }
.btn-header { background: var(--secondary); color: #fff !important; padding: 10px 20px; border-radius: 30px; font-weight: bold; transition: background 0.3s, transform 0.2s; box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3); }
.btn-header:hover { background: var(--secondary-hover); transform: translateY(-2px); }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--dark);
    cursor: pointer;
    padding: 5px;
}

/* Hero Banner */
.hero { background: linear-gradient(135deg, rgba(0, 0, 0, 0.75), rgba(0, 84, 166, 0.75)), url('https://danangmotorbikerental.net/assets/images/hero-banner-da-nang.webp') center/cover no-repeat; color: #fff; text-align: center; padding: 100px 20px 120px 20px; }
.hero h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 15px; letter-spacing: -0.5px; text-shadow: 0 2px 4px rgba(0,0,0,0.3); }
.hero .subtitle-badge { display: inline-block; background: rgba(255, 107, 0, 0.9); padding: 6px 18px; border-radius: 20px; font-weight: 700; font-size: 1rem; margin-bottom: 20px; text-transform: uppercase; }
.hero p { font-size: 1.15rem; max-width: 800px; margin: 0 auto 30px auto; opacity: 0.95; }
.hero-btns { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }
.btn-lg { padding: 14px 32px; font-size: 1.1rem; border-radius: 30px; text-decoration: none; font-weight: bold; transition: all 0.3s; }
.btn-primary { background: var(--secondary); color: #fff; box-shadow: 0 6px 20px rgba(255,107,0,0.4); }
.btn-primary:hover { background: var(--secondary-hover); transform: translateY(-3px); }
.btn-outline { background: transparent; color: #fff; border: 2px solid #fff; }
.btn-outline:hover { background: #fff; color: var(--primary); }

/* Sections General */
section { padding: 70px 0; background: #fff; margin-bottom: 30px; border-radius: 16px; box-shadow: 0 4px 15px rgba(0,0,0,0.03); }
.section-header { text-align: center; margin-bottom: 45px; }
.section-title { font-size: 2rem; font-weight: 800; color: var(--primary-dark); text-transform: uppercase; margin-bottom: 10px; position: relative; display: inline-block; }
.section-title::after { content: ''; display: block; width: 60px; height: 4px; background: var(--secondary); margin: 8px auto 0 auto; border-radius: 2px; }
.section-desc { color: var(--gray); font-size: 1.05rem; max-width: 700px; margin: auto; }

/* Pricing Cards */
/* Cấu hình hiển thị 2 dịch vụ trên 1 hàng */
.pricing-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); /* Cố định 2 cột cân đối */
    gap: 30px; /* Tăng khoảng cách giữa các thẻ cho thoáng */
}

.card { 
    border: none; 
    border-radius: 12px; 
    background: #fff; 
    transition: all 0.3s ease; 
    overflow: hidden; 
    box-shadow: 0 10px 25px rgba(0,0,0,0.06); 
    display: flex; 
    flex-direction: column; 
}

.card:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 15px 35px rgba(0,0,0,0.12); 
}

/* Tối ưu ảnh dịch vụ không bị méo/vỡ */
.card-img { 
    width: 100%; 
    height: 500px; /* Tăng chiều cao ảnh tương ứng với khung rộng */
    object-fit: cover; /* Cắt ảnh thông minh, giữ nguyên tỉ lệ không bị vỡ */
    object-position: center; 
}

/* Responsive cho điện thoại: Tự động về 1 hàng 1 dịch vụ */
@media (max-width: 768px) {
    .pricing-grid { 
        grid-template-columns: 1fr; /* Trở về 1 cột trên màn hình nhỏ */
        gap: 20px;
    }
    
    .card-img {
        height: 200px; /* Chiều cao vừa vặn cho màn hình điện thoại */
    }
}
.card-body { padding: 25px; flex: 1; display: flex; flex-direction: column; }
.card h3 { color: var(--primary-dark); margin-bottom: 5px; font-size: 1.4rem; font-weight: 700; }
.card .subtitle { font-size: 0.88rem; color: var(--gray); margin-bottom: 20px; font-style: italic; background: #f1f5f9; padding: 6px 12px; border-radius: 6px; display: inline-block; }
.card ul { list-style: none; margin-bottom: 20px; flex: 1; }
.card ul li { padding: 10px 0; border-bottom: 1px dashed #e2e8f0; font-size: 0.95rem; display: flex; justify-content: space-between; }
.card ul li strong { color: var(--secondary); }
.btn-card { display: block; text-align: center; background: var(--primary); color: #fff; text-decoration: none; padding: 12px; border-radius: 8px; font-weight: bold; transition: background 0.3s; }
.btn-card:hover { background: var(--primary-dark); }

/* Terms & Features Grid */
.terms-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 25px; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.feature-item { padding: 30px 20px; background: #f8fafc; border-radius: 12px; text-align: center; border: 1px solid #e2e8f0; transition: transform 0.3s, box-shadow 0.3s; }
.feature-item:hover { transform: translateY(-5px); background: #fff; box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
.feature-item i { font-size: 2.8rem; color: var(--primary); margin-bottom: 15px; display: inline-block; }
.feature-item h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: var(--dark); }
.feature-item p { font-size: 0.92rem; color: var(--gray); }

/* Reviews Slider */
.reviews-slider { padding: 10px 0; }
.review-card { background: #f8fafc; padding: 30px; border-radius: 12px; margin: 15px; border-top: 4px solid var(--secondary); box-shadow: 0 5px 15px rgba(0,0,0,0.03); }
.review-card p { font-style: italic; color: #334155; margin-bottom: 20px; font-size: 1rem; }
.user-info { display: flex; align-items: center; gap: 15px; }
.avatar-img { width: 50px; height: 50px; border-radius: 50%; border: 2px solid var(--secondary); }
.user-details h3 { font-size: 1rem; color: var(--dark); margin: 0; }
.stars { color: #ffb703; font-size: 0.85rem; }

/* Contact Section */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info-box h3 { font-size: 1.5rem; color: var(--primary-dark); margin-bottom: 15px; }
.contact-detail-item { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 15px; font-size: 1.05rem; }
.contact-detail-item i { font-size: 1.5rem; color: var(--secondary); margin-top: 3px; }
.phone-link { color: var(--primary); text-decoration: none; font-weight: bold; }

.social-title { margin-top: 25px; margin-bottom: 15px; font-weight: 700; font-size: 1.1rem; }
.social-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; }
.social-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px; border-radius: 8px; color: #fff; text-decoration: none; font-weight: 600; font-size: 0.9rem; transition: transform 0.2s, opacity 0.2s; }
.social-btn i { font-size: 1.3rem; }
.social-btn:hover { opacity: 0.9; transform: scale(1.03); }
.btn-facebook { background: #1877F2; }
.btn-instagram { background: #E4405F; }
.btn-tiktok { background: #000000; }
.btn-whatsapp { background: #25D366; }
.btn-viber { background: #7360F2; }
.btn-wechat { background: #07C160; }

.map-container { border-radius: 12px; overflow: hidden; height: 100%; min-height: 380px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }

footer { text-align: center; padding: 30px; background: var(--dark); color: #94a3b8; font-size: 0.95rem; }
.footer-tagline { margin-bottom: 5px; font-weight: 600; color: #fff; }

/* Sticky Floating Chat Buttons */
.floating-chat-container { position: fixed; bottom: 25px; right: 25px; display: flex; flex-direction: column; gap: 12px; z-index: 9999; }
.chat-btn { width: 55px; height: 55px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #ffffff; font-size: 28px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3); transition: transform 0.3s ease, box-shadow 0.3s ease; text-decoration: none; position: relative; }
.chat-btn:hover { transform: scale(1.1); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4); color: #ffffff; }
.float-whatsapp { background-color: #25D366; }
.float-wechat { background-color: #07C160; }

.chat-btn::before { content: attr(data-tooltip); position: absolute; right: 65px; background: rgba(30, 41, 59, 0.9); color: #fff; padding: 6px 12px; border-radius: 6px; font-size: 0.85rem; font-weight: 600; white-space: nowrap; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; pointer-events: none; }
.chat-btn:hover::before { opacity: 1; visibility: visible; }

/* Responsive Styling */
@media (max-width: 992px) {
    .mobile-menu-btn { display: block; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }

    .nav-menu {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #ffffff;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        padding: 0;
        gap: 15px;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: all 0.3s ease-in-out;
    }

    .nav-menu.active { max-height: 400px; opacity: 1; padding: 20px 0; }
    .nav-menu li { width: 100%; text-align: center; }
    .nav-menu a { display: block; padding: 8px 0; font-size: 1.1rem; }
}

@media (max-width: 576px) {
    .features-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2rem; }
}
/* Tối ưu hiển thị Ảnh Bìa Hero */
.hero {
    position: relative;
    color: #fff;
    text-align: center;
    padding: 100px 20px 120px 20px;
    overflow: hidden;
}

.hero-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Lớp phủ tối giúp chữ màu trắng nổi bật dễ đọc */
.hero-bg-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.65), rgba(0, 84, 166, 0.65));
}

.hero-content {
    position: relative;
    z-index: 2; /* Đảm bảo nội dung nằm trên ảnh bìa */
}