:root {
    --blue: #006bb6;
    --blue-dark: #004f95;
    --red: #e03131;
    --green: #0f9f6e;
    --amber: #f59f00;
    --ink: #1c2430;
    --muted: #667085;
    --line: #e5e7eb;
    --surface: #ffffff;
    --soft: #f4f7fb;
    --shadow: 0 12px 34px rgba(17, 24, 39, 0.1);
    --radius: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    font-family: "Inter", Arial, sans-serif;
    color: var(--ink);
    background: var(--soft);
    line-height: 1.55;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
select {
    font: inherit;
}

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--surface);
    box-shadow: 0 1px 0 var(--line);
}

.site-header.is-scrolled {
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.12);
}

.topbar {
    background: #f7f9fc;
    border-bottom: 1px solid var(--line);
    color: #42526b;
    font-size: 13px;
}

.topbar-inner,
.topbar-group,
.mainbar-inner,
.nav,
.hero-actions,
.tour-meta,
.tour-bottom,
.filter-row {
    display: flex;
    align-items: center;
}

.topbar-inner {
    min-height: 38px;
    justify-content: space-between;
    gap: 18px;
}

.topbar-group {
    gap: 18px;
    flex-wrap: wrap;
}

.topbar a:hover {
    color: var(--blue);
}

.mainbar {
    background: var(--surface);
}

.mainbar-inner {
    min-height: 74px;
    justify-content: space-between;
    gap: 22px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: max-content;
}

.logo-mark {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 8px;
    background: var(--blue);
    color: #fff;
    font-weight: 800;
    letter-spacing: 0;
}

.logo strong,
.logo small {
    display: block;
    letter-spacing: 0;
}

.logo strong {
    font-size: 17px;
    line-height: 1.05;
}

.logo small {
    color: var(--red);
    font-size: 12px;
    font-weight: 800;
}

.nav {
    justify-content: center;
    gap: 24px;
    flex: 1;
}

.nav-link {
    position: relative;
    color: #344054;
    font-size: 15px;
    font-weight: 700;
    padding: 28px 0;
}

.nav-link::after {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 19px;
    height: 3px;
    content: "";
    border-radius: 999px;
    background: var(--red);
    transform: scaleX(0);
    transition: transform 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--blue);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 6px;
    background: var(--red);
    color: #fff;
    font-size: 14px;
    font-weight: 800;
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 5px auto;
    background: var(--ink);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.hero {
    position: relative;
    min-height: 480px;
    isolation: isolate;
    overflow: hidden;
    background: #123d66;
}

.hero-image,
.hero-shade {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-image {
    object-fit: cover;
    z-index: -2;
}

.hero-shade {
    z-index: -1;
    background:
        linear-gradient(90deg, rgba(4, 21, 38, 0.82), rgba(4, 21, 38, 0.42) 55%, rgba(4, 21, 38, 0.2)),
        linear-gradient(0deg, rgba(4, 21, 38, 0.28), rgba(4, 21, 38, 0.28));
}

.hero-inner {
    min-height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 54px 0 72px;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    width: fit-content;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.84);
    font-size: 14px;
    font-weight: 600;
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb strong {
    color: #fff;
}

.hero-copy {
    width: min(680px, 100%);
    color: #fff;
}

.eyebrow,
.section-kicker {
    color: var(--red);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.hero-copy h1 {
    max-width: 660px;
    margin-top: 10px;
    font-size: clamp(34px, 6vw, 62px);
    line-height: 1.02;
    letter-spacing: 0;
}

.hero-copy p {
    max-width: 610px;
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.88);
    font-size: 18px;
}

.hero-actions {
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 12px 18px;
    cursor: pointer;
    font-weight: 800;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--red);
    color: #fff;
    box-shadow: 0 10px 22px rgba(224, 49, 49, 0.24);
}

.btn-primary:hover {
    background: #c92a2a;
}

.btn-ghost {
    border-color: rgba(255, 255, 255, 0.7);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.btn-outline {
    border-color: var(--blue);
    color: var(--blue);
    background: #fff;
}

.btn-block {
    width: 100%;
}

.btn-large {
    padding: 14px 20px;
    white-space: nowrap;
}

.search-band {
    position: relative;
    z-index: 5;
    margin-top: -44px;
}

.quick-search {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr auto;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
}

.quick-search label {
    padding: 18px 20px;
    border-right: 1px solid var(--line);
}

.quick-search span,
.price-label,
.sort-box span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.quick-search strong {
    display: block;
    margin-top: 5px;
    font-size: 15px;
}

.btn-search {
    min-width: 190px;
    border-radius: 0;
    background: var(--blue);
    color: #fff;
}

.notice {
    padding: 74px 0 24px;
}

.notice-inner {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 18px 20px;
    border: 1px solid #f3d08a;
    border-left: 5px solid var(--amber);
    border-radius: var(--radius);
    background: #fff8e5;
}

.notice i {
    margin-top: 2px;
    color: var(--amber);
    font-size: 20px;
}

.notice span {
    display: block;
    color: #675c43;
}

.catalog {
    padding: 42px 0 72px;
}

.catalog-layout {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}

.sidebar {
    position: sticky;
    top: 112px;
    display: grid;
    gap: 16px;
}

.side-panel,
.tour-card,
.service-card,
.contact-card,
.pricing-panel {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

.side-panel {
    padding: 20px;
    box-shadow: 0 8px 18px rgba(17, 24, 39, 0.06);
}

.side-panel h2 {
    margin-bottom: 8px;
    font-size: 18px;
}

.side-panel p {
    margin-bottom: 16px;
    color: var(--muted);
}

.side-panel .btn + .btn {
    margin-top: 10px;
}

.service-list {
    display: grid;
    gap: 12px;
    list-style: none;
}

.service-list li {
    display: flex;
    gap: 10px;
    align-items: center;
    color: #344054;
    font-weight: 700;
}

.service-list i {
    width: 22px;
    color: var(--blue);
}

.results {
    min-width: 0;
}

.results-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
}

.results-head h2,
.section-head h2,
.pricing-panel h2,
.contact-copy h2 {
    color: var(--ink);
    font-size: clamp(25px, 4vw, 38px);
    line-height: 1.15;
    letter-spacing: 0;
}

.results-head h2 {
    margin: 5px 0;
}

.results-head > div > span {
    color: var(--muted);
    font-weight: 700;
}

.sort-box {
    min-width: 190px;
}

.sort-select {
    width: 100%;
    margin-top: 6px;
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--ink);
    font-weight: 700;
}

.filter-row {
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.filter-chip {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 9px 14px;
    background: #fff;
    color: #344054;
    cursor: pointer;
    font-size: 14px;
    font-weight: 800;
}

.filter-chip.active,
.filter-chip:hover {
    border-color: var(--blue);
    background: #e8f3ff;
    color: var(--blue);
}

.tour-list {
    display: grid;
    gap: 18px;
}

.tour-card {
    display: grid;
    grid-template-columns: 286px minmax(0, 1fr);
    overflow: hidden;
    box-shadow: 0 8px 18px rgba(17, 24, 39, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tour-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.tour-card.is-hidden {
    display: none;
}

.tour-media {
    position: relative;
    min-height: 218px;
    overflow: hidden;
    background: #d9e3ec;
}

.tour-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.tour-card:hover .tour-media img {
    transform: scale(1.04);
}

.tour-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    border-radius: 999px;
    padding: 6px 10px;
    background: var(--blue);
    color: #fff;
    font-size: 12px;
    font-weight: 900;
}

.badge-green {
    background: var(--green);
}

.badge-red {
    background: var(--red);
}

.tour-body {
    display: flex;
    min-width: 0;
    flex-direction: column;
    padding: 20px;
}

.tour-meta {
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 9px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
}

.tour-meta i {
    color: var(--blue);
}

.tour-body h3 {
    margin-bottom: 10px;
    font-size: 20px;
    line-height: 1.28;
}

.tour-body p {
    color: var(--muted);
}

.tour-bottom {
    justify-content: space-between;
    gap: 16px;
    margin-top: auto;
    padding-top: 22px;
}

.price {
    display: block;
    margin-top: 2px;
    color: var(--red);
    font-size: 21px;
    line-height: 1.15;
}

.btn-card {
    min-width: 112px;
    background: var(--blue);
    color: #fff;
}

.btn-card:hover {
    background: var(--blue-dark);
}

.services,
.attractions,
.contact {
    padding: 72px 0;
    background: #fff;
}

.services {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.section-head {
    max-width: 720px;
    margin-bottom: 26px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.service-card {
    padding: 24px;
    min-height: 210px;
}

.service-card i {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    margin-bottom: 18px;
    border-radius: 8px;
    background: #e8f3ff;
    color: var(--blue);
    font-size: 20px;
}

.service-card h3 {
    margin-bottom: 9px;
    font-size: 19px;
}

.service-card p {
    color: var(--muted);
}

.attractions {
    background: var(--soft);
}

.attractions-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.attraction-card {
    position: relative;
    min-height: 230px;
    overflow: hidden;
    border-radius: var(--radius);
    background: #123d66;
}

.attraction-card img {
    width: 100%;
    height: 100%;
    min-height: 230px;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.attraction-card::after {
    position: absolute;
    inset: 0;
    content: "";
    background: linear-gradient(0deg, rgba(5, 17, 31, 0.74), rgba(5, 17, 31, 0.05) 62%);
}

.attraction-card h3 {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 16px;
    z-index: 1;
    color: #fff;
    font-size: 20px;
}

.attraction-card:hover img {
    transform: scale(1.05);
}

.pricing {
    padding: 72px 0;
    background: #fff;
}

.pricing-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    padding: 30px;
    border-left: 5px solid var(--red);
    box-shadow: var(--shadow);
}

.pricing-panel p {
    max-width: 680px;
    margin-top: 10px;
    color: var(--muted);
}

.contact {
    background: linear-gradient(135deg, #053b69 0%, #006bb6 100%);
    color: #fff;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 28px;
    align-items: center;
}

.contact-copy h2,
.contact-copy p,
.contact-copy .section-kicker {
    color: #fff;
}

.contact-copy p {
    max-width: 620px;
    margin-top: 12px;
    color: rgba(255, 255, 255, 0.82);
}

.contact-card {
    display: grid;
    gap: 12px;
    padding: 22px;
}

.contact-card a {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    padding: 14px;
    border-radius: 6px;
    background: #f8fbff;
    color: var(--ink);
    font-weight: 800;
}

.contact-card span {
    overflow-wrap: anywhere;
}

.contact-card i {
    color: var(--red);
}

.footer {
    padding: 46px 0 18px;
    background: #111827;
    color: #fff;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) 1fr 1fr;
    gap: 28px;
}

.footer-logo .logo-mark {
    background: var(--red);
}

.footer-logo small {
    color: #8fd1ff;
}

.footer p,
.footer a {
    color: rgba(255, 255, 255, 0.78);
}

.footer h3 {
    margin-bottom: 10px;
    font-size: 16px;
}

.footer-bottom {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 14px;
}

.back-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 80;
    display: none;
    width: 46px;
    height: 46px;
    border: 0;
    border-radius: 50%;
    background: var(--red);
    color: #fff;
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.25);
    cursor: pointer;
}

.back-to-top.show {
    display: grid;
    place-items: center;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

:focus-visible {
    outline: 3px solid rgba(0, 107, 182, 0.35);
    outline-offset: 3px;
}

@media (max-width: 1024px) {
    .header-cta {
        display: none;
    }

    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .services-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .topbar-right {
        display: none;
    }

    .mainbar-inner {
        min-height: 66px;
    }

    .menu-toggle {
        display: block;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        border-top: 1px solid var(--line);
        background: #fff;
        box-shadow: 0 18px 28px rgba(17, 24, 39, 0.12);
    }

    .nav.is-open {
        display: flex;
    }

    .nav-link {
        padding: 15px 24px;
        border-bottom: 1px solid var(--line);
    }

    .nav-link::after {
        display: none;
    }

    .quick-search {
        grid-template-columns: 1fr 1fr;
    }

    .quick-search label:nth-child(2) {
        border-right: 0;
    }

    .quick-search label:nth-child(3) {
        border-top: 1px solid var(--line);
    }

    .btn-search {
        min-width: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.18);
    }

    .results-head,
    .pricing-panel,
    .contact-layout {
        align-items: stretch;
        flex-direction: column;
        grid-template-columns: 1fr;
    }

    .tour-card {
        grid-template-columns: 1fr;
    }

    .tour-media {
        min-height: 250px;
    }

    .attractions-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 620px) {
    .container {
        width: min(100% - 24px, 1180px);
    }

    .topbar-inner {
        justify-content: center;
    }

    .topbar-group {
        justify-content: center;
        gap: 10px;
    }

    .logo strong {
        font-size: 15px;
    }

    .hero,
    .hero-inner {
        min-height: 430px;
    }

    .hero-inner {
        padding: 40px 0 70px;
    }

    .hero-copy p {
        font-size: 16px;
    }

    .quick-search,
    .sidebar,
    .services-grid,
    .attractions-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .quick-search label,
    .quick-search label:nth-child(2),
    .quick-search label:nth-child(3) {
        border-right: 0;
        border-top: 1px solid var(--line);
    }

    .quick-search label:first-child {
        border-top: 0;
    }

    .btn-search {
        border-radius: 0;
    }

    .notice {
        padding-top: 60px;
    }

    .tour-body h3 {
        font-size: 18px;
    }

    .tour-bottom {
        align-items: flex-start;
        flex-direction: column;
    }

    .btn-card,
    .btn-large {
        width: 100%;
    }
}
