/* =========================================
   GLOBAL RESET & BASE STYLE
========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #ffffff;
    color: #1b1b1b;
    line-height: 1.6;
}

/* =========================================
   NAVIGATION BAR
========================================= */
.navbar {
    width: 100%;
    background: #0A7BA5;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 8%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.logo {
    font-size: 22px;
    font-weight: 700;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: 0.25s;
}

.nav-links a:hover {
    opacity: 0.8;
}

/* =========================================
   HERO / BANNER SECTION
========================================= */
.hero {
    position: relative;
    background: url('banner.png') center/cover no-repeat;
    height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 60px;
    text-align: center;
    color: #0A7BA5; /* đổi sang trắng để dễ đọc hơn */
}

/* LỚP PHỦ LÀM TỐI NỀN */
.hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(192, 192, 192, 0.35); /* chỉnh tối/sáng ở đây */
    z-index: 1;
}

/* Đảm bảo chữ nằm trên lớp phủ */
.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 110px;
}

/* CHỮ RÕ HƠN NHỜ ĐỔ BÓNG */
.hero h1, .hero p {
    text-shadow: 0 2px 8px rgba(26, 26, 26, 0.35);
}

.hero h1 { 
    font-size: 62px; 
    margin-bottom: 10px; 
} 

.hero p { 
    font-size: 38px; 
}

/* =========================================
   Anniversary 10 year
========================================= */

.anni {
    width: 50%;
    background: linear-gradient(90deg, #ff8a3d, #ff6a00);
    padding: 18px 0;
    text-align: center;
    color: white;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.5px;
    border-radius: 10px;
    margin: 30px auto 4px;
    max-width: 90%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.anni {
    animation: blink 2s infinite ease-in-out;
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}


/* =========================================
   GENERAL SECTION
========================================= */
.section {
    padding: 80px 10%;
}

.section-title {
    font-size: 28px;
    color: #0A7BA5;
    margin-bottom: 20px;
    font-weight: 700;
}

.bg-light {
    background: #f4f9ff;
}

/* =========================================
   CARD GRID
========================================= */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.card h3 {
    color: #0A7BA5;
}

.card {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.07);
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-6px);
}

.card .icon {
    font-size: 40px;
    margin-bottom: 10px;
}

/* =========================================
   PRICE BOX
========================================= */
.price-box {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    max-width: 550px;
    margin: auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.prices {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 25px 0;
}

.price-item {
    font-size: 22px;
}

.original-price {
    margin-bottom: 20px;
    color: #555;
}

/* =========================================
   CONTACT SECTION
========================================= */
.contact-info {
    font-size: 20px;
    margin-bottom: 20px;
}

/* =========================================
   FOOTER
========================================= */
footer {
    background: #0A7BA5;
    color: #fff;
    text-align: center;
    padding: 25px;
    margin-top: 40px;
}

/* =========================================
   COMPARE TABLE — FIXED, PERFECT LAYOUT
========================================= */
.compare-container {
    width: 100%;
    overflow-x: auto;
    margin-top: 20px;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);

    /* FIX lỗi vỡ layout */
    table-layout: auto !important;
}

.compare-table th {
    background: #0A7BA5;
    color: white;
    padding: 16px;
    font-size: 16px;
    text-align: center;
    white-space: nowrap;
}

.compare-table td {
    padding: 14px 10px;
    font-size: 15px;
    text-align: center;
    white-space: nowrap;
}

.compare-table tr:nth-child(even) {
    background: #f7faff;
}

.compare-table td:first-child {
    text-align: left;
    padding-left: 16px;
    white-space: normal;
}

.compare-table .highlight {
    background: #eaf2ff;
    color: #0A7BA5;
    font-weight: 700;
}

/* =========================================
   MOBILE RESPONSIVE
========================================= */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 30px;
    }

    .nav-links {
        display: none;
    }

    .cta-btn.big {
        font-size: 16px;
        padding: 15px 30px;
    }

    .section {
        padding: 60px 6%;
    }

    .price-box {
        padding: 30px;
    }
}

/* ==== BẢNG DỊCH VỤ NÂNG CẤP ==== */

.upgraded-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(0,0,0,0.05);
    text-align: center;
}

.upgraded-table th {
    background: #0A7BA5;
    color: white;
    padding: 16px;
    font-size: 17px;
}

.upgraded-table td {
    padding: 14px;
    font-size: 15px;
    border-bottom: 1px solid #eef1f8;
}

/* Màu hàng giá tiền */
.price-row td {
    background: #f3f8ff;
    font-weight: 600;
    color: #0A7BA5;
}

/* Nút đăng ký */
.signup-row td {
    background: #ffffff;
    padding: 20px 0;
}

.signup-btn {
    display: inline-block;
    padding: 10px 20px;
    background: #0A7BA5;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.25s;
}

.signup-btn:hover {
    background: #0A7BA5;
    transform: translateY(-3px);
}

/* Thu nhỏ bảng dịch vụ */
.upgraded-table {
    max-width: 1900px;         /* chỉnh kích thước bảng, bạn có thể đổi 700 / 800 / 900px */
    margin: 0 auto !important; /* căn giữa bảng */
    width: 100%;               /* vẫn responsive nhỏ lại khi màn hình hẹp */
}

/* Nếu muốn khung bảng mềm mại hơn */
.compare-container {
    display: flex;
    justify-content: center;
}

/* Tiêu đề chung cho các phần */
.section-title {
    font-size: 26px;
    font-weight: 700;
    padding-left: 20px;      /* căn giống tiêu đề phần dưới */
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 6px;
}


/* Riêng phần 'Các gói dịch vụ' – đẩy xuống để thẳng hàng */
.section-title-primary {
    margin-top: 60px;        /* chỉnh cao thấp tùy ý */
}
/* Logo */
.logo {
    display: flex;
    align-items: center;   /* canh logo và chữ thẳng hàng */
    gap: 10px;             /* tạo khoảng cách đẹp */
}

.logo-img {
    height: 32px;          /* bạn có thể chỉnh 28–34 tùy thích */
    width: auto;
    display: block;
}


.vst-buttons {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        justify-content: center;
        margin-top: 10px;
    }

    .vst-btn {
        padding: 8px 14px;
        background: #eef1f5;
        border-radius: 8px;
        font-size: 14px;
        color: #333;
        border: 1px solid #d2d6dc;
        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        white-space: nowrap;
    }

    .area-tabs {
        display: flex;
        justify-content: center;
        gap: 12px;
        margin-bottom: 20px;
    }

    .area-btn {
        padding: 10px 22px;
        background: #e6e6e6;
        border: none;
        border-radius: 12px;
        font-size: 16px;
        cursor: pointer;
        transition: 0.25s;
    }

    .area-btn.active {
        background: #0A7BA5;
        color: white;
    }

    .sub-title {
        text-align: center;
        margin: 25px 0 10px;
        font-weight: 700;
    }

    .tag-list {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
        margin-bottom: 25px;
    }

    .tag {
        background: #e9e9e9;
        padding: 8px 18px;
        border-radius: 10px;
        font-size: 15px;
        transition: 0.25s;
    }

    .tag:hover {
        background: #d4d4d4;
    }



/* =========================================
   Huongdan.html
========================================= */