*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
    color: #0f172a;
    background: #f8fafc;
}

body {
    line-height: 1.5;
}

a {
    color: #0f766e;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.site-header {
    background: rgba(15, 23, 42, 0.9);
    color: #e5e7eb;
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.brand-main {
    font-weight: 700;
    letter-spacing: 0.04em;
}

.brand-sub {
    display: block;
    font-size: 0.75rem;
    color: #9ca3af;
}

.nav-links {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.nav-link {
    font-size: 0.9rem;
    color: #e5e7eb;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
}

.nav-link:hover {
    background: rgba(148, 163, 184, 0.25);
}

.nav-link.is-active {
    background: #fbbf24;
    color: #78350f;
    border-radius: 4px;
    padding: 0.4rem 0.8rem;
    font-weight: 700;
    font-size: 0.85rem;
    min-width: 60px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(251, 191, 36, 0.4);
}

.nav-link.is-active:hover {
    background: #f59e0b;
    color: #78350f;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.5);
}

.hero {
    background: radial-gradient(circle at top left, #0369a1, #0f172a);
    color: #e5e7eb;
    padding: 4rem 0 3rem;
}

.hero-inner {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.hero-inner-split {
    align-items: flex-start;
}

.hero h1 {
    font-size: clamp(1.9rem, 3vw, 2.4rem);
    margin: 0.2rem 0 0.8rem;
}

.hero p {
    max-width: 40rem;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.75rem;
    color: #a5f3fc;
    margin: 0;
}

.subheading {
    margin-top: 0;
    color: #bae6fd;
}

.bullets {
    margin: 0 0 1rem;
    padding-left: 1.25rem;
}

.bullets li {
    margin-bottom: 0.25rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.6rem 1.4rem;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease,
        background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: #022c22;
    box-shadow: 0 14px 30px rgba(16, 185, 129, 0.35);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(16, 185, 129, 0.45);
    text-decoration: none;
}

.btn-outline {
    border-color: rgba(148, 163, 184, 0.6);
    color: #e5e7eb;
    background: rgba(15, 23, 42, 0.4);
}

.btn-outline:hover {
    background: rgba(15, 23, 42, 0.7);
}

.btn-full-width {
    width: 100%;
    margin-top: 0.5rem;
}

.section {
    padding: 2.75rem 0 3rem;
}

.section h2 {
    font-size: 1.5rem;
    margin: 0 0 0.75rem;
}

.section-lead {
    max-width: 40rem;
    color: #4b5563;
}

.steps {
    margin: 1rem 0 0;
    padding-left: 1.25rem;
    color: #374151;
}

.steps li+li {
    margin-top: 0.25rem;
}

.iframe-wrapper {
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.12);
    margin-top: 1.5rem;
    background: #0f172a;
}

.iframe-wrapper iframe {
    width: 100%;
    min-height: min(80vh, 900px);
    border: none;
    background: #0f172a;
}

.full-iframe-shell {
    margin: 0;
    padding: 0;
    height: 100vh;
}

.iframe-shell {
    position: relative;
    width: 100%;
    height: 100%;
}

.iframe-shell iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    background: #ffffff;
}

.iframe-book-button {
    position: absolute;
    top: 8px;
    right: 625px;
    z-index: 10;
}

.iframe-book-button .btn {
    background: #fbbf24;
    color: #78350f;
    border-radius: 4px;
    padding: 0.4rem 0.8rem;
    font-weight: 700;
    font-size: 0.85rem;
    border: none;
    box-shadow: 0 2px 8px rgba(251, 191, 36, 0.4);
    min-width: 60px;
    height: 32px;
}

.iframe-book-button .btn:hover {
    background: #f59e0b;
    color: #78350f;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.5);
    text-decoration: none;
}

.iframe-caption {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #6b7280;
}

.cta-panel {
    margin-top: 2rem;
    padding: 1.5rem 1.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(34, 197, 94, 0.4);
    background: radial-gradient(circle at top left, #ecfdf5, #f9fafb);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    justify-content: space-between;
}

.cta-panel h3 {
    margin: 0 0 0.25rem;
}

.cta-panel p {
    margin: 0;
    max-width: 32rem;
}

.trip-summary {
    margin-top: 2rem;
    padding: 1.25rem 1.5rem;
    border-radius: 1rem;
    border: 1px solid #e5e7eb;
    background: #f9fafb;
}

.trip-summary h2 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.trip-summary-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.trip-summary-row dt {
    width: 7.5rem;
    font-weight: 600;
    color: #4b5563;
}

.trip-summary-row dd {
    margin: 0;
    color: #111827;
}

.booking-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.4fr);
    gap: 2.5rem;
    align-items: flex-start;
}

form {
    background: #ffffff;
    border-radius: 1rem;
    padding: 1.5rem 1.5rem 1.75rem;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.12);
    border: 1px solid #e5e7eb;
}

.field {
    margin-bottom: 1rem;
}

.field-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1rem;
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.25rem;
}

input,
select,
textarea {
    width: 100%;
    border-radius: 0.6rem;
    border: 1px solid #d1d5db;
    padding: 0.55rem 0.7rem;
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.12s ease, box-shadow 0.12s ease;
    background: #ffffff;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #22c55e;
    box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.7);
}

input[readonly] {
    background: #f3f4f6;
}

.field-error {
    margin: 0.15rem 0 0;
    font-size: 0.78rem;
    color: #b91c1c;
    min-height: 1em;
}

.smallprint {
    font-size: 0.78rem;
    color: #6b7280;
    margin-top: 0.75rem;
}

.booking-success {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px dashed #d1d5db;
}

.booking-success h2 {
    margin-top: 0;
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.site-footer {
    border-top: 1px solid #e5e7eb;
    background: #f9fafb;
    padding: 1rem 0;
    margin-top: 2rem;
    font-size: 0.8rem;
    color: #6b7280;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
        "Liberation Mono", "Courier New", monospace;
    font-size: 0.8rem;
    background: #e5e7eb;
    padding: 0.1rem 0.25rem;
    border-radius: 0.3rem;
}

.itineraries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.itinerary-card {
    background: #ffffff;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
    border: 1px solid #e5e7eb;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.itinerary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
}

.itinerary-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    color: #0f172a;
}

.itinerary-window {
    margin: 0 0 1rem;
    font-size: 0.85rem;
    color: #6b7280;
}

.itinerary-actions {
    margin-top: 1rem;
}

.itinerary-actions .btn {
    width: 100%;
    justify-content: center;
    background: #fbbf24;
    color: #78350f;
    border-radius: 4px;
    padding: 0.4rem 0.8rem;
    font-weight: 700;
    font-size: 0.85rem;
    border: none;
    box-shadow: 0 2px 8px rgba(251, 191, 36, 0.4);
    min-width: 60px;
    height: 32px;
}

.itinerary-actions .btn:hover {
    background: #f59e0b;
    color: #78350f;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.5);
    text-decoration: none;
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
    }

    .nav-links {
        margin-top: 0.25rem;
        flex-wrap: wrap;
    }

    .hero {
        padding-top: 3rem;
        padding-bottom: 2.5rem;
    }

    .booking-layout {
        grid-template-columns: minmax(0, 1fr);
    }

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

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