:root {
    --bg: #05070d;
    --bg2: #0b1020;
    --card: rgba(255, 255, 255, 0.07);
    --card-strong: rgba(255, 255, 255, 0.11);
    --text: #f7f7fb;
    --muted: #b8bfd2;
    --green: #00aa6c;
    --green-bright: #00e676;
    --gold: #f4b400;
    --blue: #4dabf7;
    --border: rgba(255, 255, 255, 0.12);
    --radius: 24px;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(77, 171, 247, 0.2), transparent 34%),
        radial-gradient(circle at top right, rgba(244, 180, 0, 0.16), transparent 30%),
        linear-gradient(180deg, var(--bg), var(--bg2) 52%, var(--bg));
    min-height: 100vh;
}

a {
    color: inherit;
}

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

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(5, 7, 13, 0.82);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
}

.topbar-inner {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 15px;
    display: grid;
    place-items: center;
    color: #06101c;
    font-weight: 900;
    background: linear-gradient(135deg, var(--blue), var(--gold));
}

.brand-text strong,
.brand-text small {
    display: block;
}

.brand-text small {
    color: var(--muted);
}

.nav {
    display: flex;
    gap: 18px;
    font-weight: 800;
    flex-wrap: wrap;
}

.nav a {
    text-decoration: none;
    color: var(--muted);
}

.nav a:hover {
    color: var(--text);
}

.hero,
.section {
    padding: 54px 0;
}

.back-link,
.text-link {
    color: var(--muted);
    font-weight: 800;
}

.hero-main {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    align-items: end;
    margin-top: 18px;
}

.eyebrow,
.badge {
    display: inline-flex;
    border: 1px solid rgba(244, 180, 0, 0.42);
    color: #ffe39a;
    background: rgba(244, 180, 0, 0.12);
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.badge {
    margin-bottom: 10px;
    color: #ffd0e4;
    background: rgba(255, 0, 102, 0.12);
    border-color: rgba(255, 0, 102, 0.42);
}

h1 {
    font-size: clamp(44px, 7vw, 86px);
    line-height: 0.95;
    letter-spacing: -0.06em;
    margin: 22px 0 14px;
}

h2 {
    letter-spacing: -0.04em;
}

.rating-line {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    color: #eef5ff;
}

.rating-line.small {
    font-size: 14px;
}

.dots {
    color: var(--green);
    letter-spacing: 1px;
}

.status {
    color: #8ff0bd;
    font-weight: 900;
}

.lede,
.body-copy {
    color: var(--muted);
    font-size: 19px;
    line-height: 1.65;
}

.hero-card,
.profile-card,
.reserve-panel,
.tour-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: var(--shadow);
}

.hero-card {
    padding: 24px;
}

.hero-card strong {
    font-size: 24px;
    line-height: 1.1;
}

.hero-card p {
    color: var(--muted);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 13px 20px;
    font-weight: 900;
    text-decoration: none;
    border: 0;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

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

.button-primary {
    color: #04110b;
    background: var(--green-bright);
    box-shadow: 0 18px 42px rgba(0, 230, 118, 0.2);
}

.button-secondary {
    color: var(--text);
    background: var(--card-strong);
    border: 1px solid var(--border);
}

.photo-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 34px;
}

.photo-strip img {
    width: 100%;
    height: 230px;
    object-fit: cover;
    border-radius: 22px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.06);
}

.page-grid,
.detail-grid {
    display: grid;
    grid-template-columns: 0.75fr 1.6fr;
    gap: 28px;
    align-items: start;
}

.profile-card {
    padding: 26px;
}

.profile-photo {
    width: 150px;
    height: 150px;
    border-radius: 999px;
    background:
        linear-gradient(135deg, rgba(77, 171, 247, 0.35), rgba(244, 180, 0, 0.35)),
        url("../images/profile.jpg") center / cover;
    margin-bottom: 18px;
    border: 1px solid var(--border);
}

.profile-card p,
.section-heading p,
.muted {
    color: var(--muted);
    line-height: 1.6;
}

.location,
.free-cancel {
    color: #9ff4c0;
    font-weight: 800;
}

.section-heading {
    margin-bottom: 20px;
}

.section-heading h2 {
    font-size: clamp(30px, 4vw, 54px);
    margin: 0 0 8px;
}

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

.tour-card {
    display: grid;
    grid-template-columns: 280px 1fr 170px;
    gap: 20px;
    padding: 18px;
}

.tour-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.06);
}

.tour-title {
    display: inline-block;
    font-size: 25px;
    font-weight: 900;
    text-decoration: none;
    line-height: 1.12;
    margin-bottom: 10px;
}

.tour-booking,
.reserve-panel {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}

.tour-booking strong,
.reserve-panel strong {
    font-size: 34px;
}

.old-price {
    color: var(--muted);
    text-decoration: line-through;
}

.slideshow {
    position: relative;
    height: min(64vh, 560px);
    overflow: hidden;
    border-radius: 28px;
    border: 1px solid var(--border);
    background: #000;
    margin: 24px 0;
}

.slideshow img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 400ms ease;
}

.slideshow img.active {
    opacity: 1;
}

.slide-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.55);
    color: var(--text);
    font-size: 34px;
    cursor: pointer;
}

.slide-button.prev {
    left: 16px;
}

.slide-button.next {
    right: 16px;
}

.check-list {
    display: grid;
    gap: 10px;
    padding-left: 0;
    list-style: none;
}

.check-list li {
    padding: 13px 14px;
    border-radius: 15px;
    background: var(--card);
    border: 1px solid var(--border);
}

.reserve-panel {
    position: sticky;
    top: 96px;
    padding: 24px;
}

.reserve-note {
    color: var(--muted);
    line-height: 1.5;
    border-top: 1px solid var(--border);
    margin-top: 12px;
    padding-top: 12px;
}

.footer {
    padding: 34px 0 54px;
    color: var(--muted);
}

.footer-inner {
    border-top: 1px solid var(--border);
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}

@media (max-width: 980px) {
    .hero-main,
    .page-grid,
    .detail-grid,
    .tour-card {
        grid-template-columns: 1fr;
    }

    .photo-strip {
        grid-template-columns: repeat(2, 1fr);
    }

    .reserve-panel {
        position: static;
    }
}

@media (max-width: 640px) {
    .topbar-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 14px 0;
    }

    .photo-strip {
        grid-template-columns: 1fr;
    }

    .photo-strip img,
    .tour-image img {
        height: 260px;
    }

    .slideshow {
        height: 420px;
    }
}