:root {
    --c-primary: #01183b;
    --c-primary-dark: #011129;
    --c-accent: #be0101;
    --c-accent-dark: #910505;
    --c-text: #1f2733;
    --c-muted: #6b7280;
    --c-border: #e5e8ef;
    --c-bg: #ffffff;
    --c-bg-soft: #f4f7fb;
    --c-dark: #121826;
    --c-header: #00A762;
    --c-footer: #00A762;
    --font-base: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --container-max: 1280px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 8px 28px rgba(20, 35, 70, .08);
    --header-h: 76px;
    --section-pad: 50px;
}

/* ------------------------- 2. Reset / base ------------------------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-primary-dark); }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4, h5 { margin: 0 0 .5em; font-weight: 700; line-height: 1.25; color: var(--c-dark); }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
p { margin: 0 0 1rem; }

:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }

.container { max-width: var(--container-max); margin-inline: auto; padding-inline: 15px; }

/* Bẫy bot (honeypot): ẩn khỏi mắt người và trình đọc màn hình, nhưng KHÔNG dùng
   display:none / type=hidden vì nhiều bot bỏ qua các ô đó. */
.hp-field {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ------------------------- 3. Header -------------------------
   Topbar và .header-main là 2 khối ANH EM (không bọc chung), vì position:sticky
   chỉ dính được trong phạm vi thẻ cha: nếu bọc chung thì .header-main sẽ trôi mất
   ngay khi cuộn qua khỏi header. Kết quả: topbar cuộn đi, .header-main ở lại. */

/* Thanh trên: hotline / hỗ trợ / giờ hoạt động (Admin > Cấu hình) */
.header-topbar {
    contain-intrinsic-block-size: auto 100px;
    background: var(--c-accent);
    color: #ffffff;
    font-size: .8125rem;
    padding-top: 5px;
    padding-bottom: 5px;
}

.topbar-inner {
    display: flex;
    align-items: center;
    gap: 8px 28px;
    flex-wrap: wrap;
    min-height: 38px;
    padding-block: 6px;
}

.topbar-item {display: inline-flex;align-items: center;gap: 8px;color: rgba(255, 255, 255, .82);font-size: 14px;}
.topbar-item i {color: #fff;font-size: 18px;}
.topbar-item strong { color: #ffffff; font-weight: 600; }
a.topbar-item:hover { color: #ffffff; }
.topbar-note { margin-left: auto; }

/* Hàng chính: logo | menu | CTA — bám dính lên đầu màn hình khi cuộn */
.header-main {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--c-bg);
    box-shadow: 0 2px 12px rgba(20, 35, 70, .08);
    padding-top: 5px;
    padding-bottom: 5px;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    min-height: var(--header-h);
}

.header-brand .navbar-brand {display: inline-flex;align-items: center;margin-right: 30px;}
.header-brand img {height: 60px;width: auto;object-fit: contain;}

/* Menu chính (danh mục IsMenu) */
.header-nav { flex: 1 1 auto; }

.main-nav-tree {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex-wrap: wrap;
}

.main-nav-tree > .menu-item > a {
    display: block;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    color: var(--c-text);
    font-weight: 700;
    font-size: 16px;
    white-space: nowrap;
    text-transform: uppercase;
}

.main-nav-tree > .menu-item > a:hover { color: var(--c-accent); background: var(--c-bg-soft); }
.main-nav-tree > .menu-item.is-active > a { color: var(--c-accent); }

/* CTA header: Đặt vé (đỏ) + Zalo (xanh navy) */
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }

.btn-book,
.btn-zalo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    border-radius: 15px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    white-space: nowrap;
    transition: background .2s ease, transform .2s ease;
}

.btn-book { background: var(--c-accent); color: #ffffff; }
.btn-book:hover { background: var(--c-accent-dark); color: #ffffff; transform: translateY(-1px); }

.btn-zalo { background: var(--c-primary); color: #ffffff; }
.btn-zalo:hover { background: var(--c-primary-dark); color: #ffffff; transform: translateY(-1px); }
.btn-zalo img {height: 30px;width: auto;margin-top: -5px;margin-bottom: -5px;}

/* Nút mở menu (mobile) */
.mobile-menu-btn {
    margin-left: auto;
    padding: 12px 14px;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    background: var(--c-primary);
    color: #fff;
    font-size: 19px;
    line-height: 1;
}

/* Offcanvas (dưới 992px) */
.site-nav-shell .offcanvas-header { border-bottom: 1px solid var(--c-border); }
.site-nav-shell .mobile-menu-logo img { height: 46px; width: auto; }

/* Nút tìm kiếm trên header */
.header-search {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--c-border);
    border-radius: 50%;
    color: var(--c-primary);
}

.header-search:hover { border-color: var(--c-primary); background: var(--c-bg-soft); color: var(--c-primary); }

.nav-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.nav-actions .btn-book,
.nav-actions .btn-zalo { justify-content: center; }

/* Nút phụ trong offcanvas (Tìm kiếm) */
.btn-outline-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border: 1px solid var(--c-border);
    border-radius: 999px;
    color: var(--c-primary);
    font-weight: 700;
    font-size: .875rem;
    text-transform: uppercase;
}

.btn-outline-nav:hover { border-color: var(--c-primary); background: var(--c-bg-soft); color: var(--c-primary); }

/* ------------------------- 4. Footer ------------------------- */

/* Dải CTA: nền + tiêu đề + mô tả từ khối nội dung ID 7 (Admin/EditContentBlock.aspx?ID=7) */
.footer-cta {
    position: relative;
    background-color: var(--c-primary);
    background-size: cover;
    background-position: center;
    color: #ffffff;
    text-align: center;
}

.footer-cta::before {
    content: "";
    position: absolute;
    inset: 0;
}

.footer-cta-inner {position: relative;padding-block: var(--section-pad);padding-top: 60px;padding-bottom: 60px;}
.footer-cta-title {color: #ffffff;margin-bottom: .35em;text-transform: uppercase;font-size: 32px;}
.footer-cta-desc {color: rgba(255, 255, 255, .82);font-size: 1.0625rem;margin-bottom: 40px;}
.footer-cta-desc p:last-child { margin-bottom: 0; }

.footer-cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: 1px solid rgba(255, 255, 255, .6);
    border-radius: 15px;
    color: #ffffff;
    font-weight: 700;
    font-size: .875rem;
    text-transform: uppercase;
    white-space: nowrap;
    transition: background .2s ease, border-color .2s ease;
}

.btn-outline:hover { background: #ffffff; border-color: #ffffff; color: var(--c-primary); }

/* Thân footer: giới thiệu + mxh | liên hệ | bản đồ */
.footer-main {
    background: var(--c-primary);
    color: rgba(255, 255, 255, .78);
    padding-block: 48px 40px;
}

.footer-brand img {height: 78px;width: auto;margin-bottom: 16px;filter: brightness(0) invert(1);}
.footer-about p { color: rgba(255, 255, 255, .78); margin-bottom: 16px; }

.footer-title {
    color: #ffffff;
    font-size: 1.0625rem;
    text-transform: uppercase;
    padding-bottom: 10px;
    margin-bottom: 18px;
    border-bottom: 2px solid var(--c-accent);
    display: inline-block;
}

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
}

.footer-contact i { color: var(--c-accent); margin-top: 5px; flex: 0 0 16px; }
.footer-contact a { color: rgba(255, 255, 255, .78); }
.footer-contact a:hover { color: #ffffff; }

.socials { display: flex; gap: 10px; }

.socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
    color: #ffffff;
    transition: background .2s ease;
}

.socials a:hover { background: var(--c-accent); color: #ffffff; }

.map-box { border-radius: var(--radius); overflow: hidden; }
.map-box iframe { display: block; width: 100%; height: 240px; border: 0; }

/* Copyright */
.footer-bottom {
    background: var(--c-primary-dark);
    color: rgba(255, 255, 255, .6);
    font-size: .875rem;
    padding-block: 14px;
}

.copyright {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px 6px;
}

.copyright a { color: rgba(255, 255, 255, .85); }
.copyright a:hover { color: #ffffff; }

/* ------------------------- 5. CTA nổi (góc dưới phải) ------------------------- */
.float-cta {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.float-cta-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    color: #ffffff;
    font-size: 1.125rem;
    box-shadow: var(--shadow);
}

.float-cta-quote { background: var(--c-primary); }
.float-cta-phone { background: var(--c-accent); }
.float-cta-zalo { background: #ffffff; }
.float-cta-zalo-img { width: 30px; height: 30px; }
.float-cta-btn:hover { color: #ffffff; }
.float-cta-text { display: none; }

/* Vòng sóng lan toả quanh nút */
.float-cta-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid currentColor;
    opacity: .5;
    animation: float-cta-pulse 1.8s ease-out infinite;
}

@keyframes float-cta-pulse {
    0% { transform: scale(1); opacity: .5; }
    100% { transform: scale(1.45); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .float-cta-ring { animation: none; }
}
.swiper-button-prev, .swiper-button-next{background-color: #ffffffbf;padding: 10px;border-radius: 50%;}