:root {
    --navy: #062b52;
    --navy-deep: #031d39;
    --turquoise: #49c8c5;
    --turquoise-dark: #168e9f;
    --blue: #197aa3;
    --mist: #eef8f8;
    --warm: #f6f2eb;
    --white: #ffffff;
    --text: #17324f;
    --muted: #65768c;
    --line: rgba(6, 43, 82, 0.14);
    --serif: "Cormorant Garamond", Georgia, serif;
    --sans: "Lato", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--white);
    font-family: var(--sans);
    line-height: 1.7;
}

body.nav-open {
    overflow: hidden;
}

a {
    color: inherit;
}

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

.site-header {
    position: fixed;
    z-index: 50;
    top: 0;
    right: 0;
    left: 0;
    height: 76px;
    color: var(--white);
    transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled,
.site-header.menu-visible {
    color: var(--navy);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 8px 26px rgba(5, 39, 75, 0.08);
    backdrop-filter: blur(12px);
}

.nav-shell {
    width: min(1180px, calc(100% - 40px));
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    font-family: var(--serif);
    font-size: 31px;
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.desktop-nav a {
    font-size: 12px;
    font-weight: 400;
    text-decoration: none;
    text-transform: uppercase;
}

.lang-links {
    display: flex;
    gap: 8px;
}

.lang-links a {
    min-width: 38px;
    padding: 4px 8px;
    border: 1px solid currentColor;
    text-align: center;
}

.lang-links a.active {
    color: var(--navy);
    border-color: var(--turquoise);
    background: var(--turquoise);
}

.menu-button {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    color: inherit;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.mobile-nav {
    display: none;
}

.activity-hero {
    min-height: min(760px, 88vh);
    padding: 128px 0 74px;
    position: relative;
    display: flex;
    align-items: flex-end;
    color: var(--white);
    background-position: var(--image-position, center);
    background-size: cover;
}

.activity-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(2, 25, 50, 0.24) 0%, rgba(2, 25, 50, 0.15) 34%, rgba(2, 25, 50, 0.88) 100%),
        linear-gradient(90deg, rgba(2, 25, 50, 0.42), transparent 70%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.activity-initiation .hero-inner {
    transform: translateY(30px);
}

.eyebrow {
    margin: 0 0 18px;
    color: var(--turquoise);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin-top: 0;
    font-family: var(--serif);
    font-weight: 500;
    line-height: 1.08;
}

h1 {
    max-width: 870px;
    margin-bottom: 22px;
    font-size: clamp(48px, 7vw, 88px);
}

.hero-intro {
    max-width: 760px;
    margin: 0 0 30px;
    font-size: 18px;
    font-weight: 300;
}

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

.button {
    min-height: 50px;
    padding: 13px 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 160ms ease, background 160ms ease;
}

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

.button-primary {
    color: var(--navy-deep);
    background: var(--turquoise);
}

.button-secondary {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.72);
    background: rgba(3, 29, 57, 0.24);
}

.button-light {
    color: var(--navy);
    background: var(--white);
}

.facts-band {
    background: var(--mist);
    border-bottom: 1px solid var(--line);
}

.facts-grid {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.fact {
    min-height: 132px;
    padding: 28px 24px;
    border-right: 1px solid var(--line);
}

.fact:first-child {
    border-left: 1px solid var(--line);
}

.fact-label {
    display: block;
    margin-bottom: 7px;
    color: var(--turquoise-dark);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.fact-value {
    display: block;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.45;
}

.content-band {
    padding: 92px 0;
}

.content-band.warm {
    background: var(--warm);
}

.content-band.blue {
    color: var(--white);
    background: var(--navy);
}

.location-band {
    padding: 76px 0;
    background: #f7fbfb;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.content-shell {
    width: min(1080px, calc(100% - 40px));
    margin: 0 auto;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 50px;
}

.section-heading h2 {
    margin-bottom: 18px;
    color: var(--navy);
    font-size: clamp(38px, 5vw, 58px);
}

.blue .section-heading h2 {
    color: var(--white);
}

.section-heading p {
    margin: 0;
    color: var(--muted);
    font-size: 17px;
    font-weight: 300;
}

.blue .section-heading p {
    color: rgba(255, 255, 255, 0.74);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.step {
    min-height: 230px;
    padding: 34px;
    background: var(--white);
}

.step-number {
    display: block;
    margin-bottom: 22px;
    color: var(--turquoise-dark);
    font-family: var(--serif);
    font-size: 34px;
}

.step-time {
    font-family: var(--sans);
    font-size: 18px;
    font-weight: 700;
}

.step h3 {
    margin-bottom: 12px;
    color: var(--navy);
    font-size: 28px;
}

.step p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
    font-weight: 300;
}

.course-days {
    display: grid;
    gap: 28px;
}

.course-day {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--white);
    box-shadow: 0 16px 42px rgba(5, 43, 78, 0.08);
}

.course-day-header {
    padding: 30px 34px;
    border-bottom: 1px solid rgba(8, 145, 166, 0.2);
    background: #edf9f9;
}

.course-day-heading {
    display: grid;
    grid-template-columns: max-content minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
}

.course-day-label {
    display: inline-block;
    color: var(--turquoise-dark);
    font-family: var(--serif);
    font-size: 32px;
    font-style: italic;
    font-weight: 400;
    letter-spacing: 0.01em;
    line-height: 1;
}

.course-day-header h3 {
    margin: 0;
    color: var(--navy);
    font-size: 25px;
    line-height: 1.25;
}

.course-day-header p {
    margin: 13px 0 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.6;
    text-align: left;
}

.course-day-schedule {
    padding: 0 34px;
}

.course-slot {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 30px;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
}

.course-slot:last-child {
    border-bottom: 0;
}

.course-slot time {
    color: var(--turquoise-dark);
    font-size: 16px;
    font-weight: 700;
}

.course-slot h4 {
    margin: 0 0 6px;
    color: var(--navy);
    font-family: var(--serif);
    font-size: 23px;
    font-weight: 500;
}

.course-slot p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
    font-weight: 300;
}

.two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.bring-shell {
    max-width: 820px;
}

.offer-band {
    color: var(--white);
    background: #0a4772;
}

.offer-band .section-heading h2 {
    color: var(--white);
}

.offer-band .section-heading .eyebrow {
    color: #83e2df;
}

.offer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.offer-list {
    max-width: 820px;
    border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.offer-list li {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.offer-list li::before {
    background: #83e2df;
}

.offer-column {
    padding: 42px 48px 24px 0;
}

.offer-column + .offer-column {
    padding-right: 0;
    padding-left: 48px;
    border-left: 1px solid var(--line);
}

.offer-column h3 {
    margin-bottom: 16px;
    color: var(--navy);
    font-size: 28px;
}

.partner-note-band {
    padding: 54px 0;
    background: var(--mist);
}

.partner-note-band p {
    max-width: 920px;
    margin: 0;
    padding-left: 24px;
    border-left: 3px solid var(--turquoise);
    color: var(--navy);
    font-family: var(--sans);
    font-size: 17px;
    font-weight: 300;
    line-height: 1.7;
}

.info-block h2 {
    margin-bottom: 24px;
    color: var(--navy);
    font-size: 42px;
}

.info-block p {
    color: var(--muted);
    font-weight: 300;
}

.location-copy {
    max-width: 780px;
}

.location-layout.has-image {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 40px;
    align-items: center;
}

.location-media {
    margin: 0;
    width: 100%;
    max-width: 280px;
    position: relative;
}

.location-media::before {
    content: "";
    position: absolute;
    width: 44px;
    height: 3px;
    left: 16px;
    bottom: -12px;
    border-radius: 2px;
    background: var(--turquoise);
}

.location-media img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 10px 28px rgba(6, 43, 82, 0.11);
}

.location-media figcaption {
    margin-top: 10px;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.5;
}

.location-media figcaption a {
    color: var(--blue);
}

.location-meta {
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--turquoise-dark);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.location-meta svg {
    width: 16px;
    height: 16px;
}

.location-copy h2 {
    margin-bottom: 18px;
    font-family: var(--serif);
    font-size: clamp(28px, 3.5vw, 38px);
    font-weight: 500;
    line-height: 1.15;
}

.location-copy p {
    margin: 0;
    max-width: 620px;
}

.plain-list {
    margin: 22px 0 0;
    padding: 0;
    list-style: none;
}

.plain-list li {
    padding: 13px 0 13px 26px;
    position: relative;
    border-bottom: 1px solid var(--line);
    font-weight: 300;
}

.plain-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    position: absolute;
    top: 22px;
    left: 0;
    border-radius: 50%;
    background: var(--turquoise);
}

.safety-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 80px;
    align-items: start;
}

.safety-grid.single {
    grid-template-columns: minmax(0, 780px);
}

.safety-copy h2 {
    margin-bottom: 24px;
    font-size: 48px;
}

.safety-copy p {
    color: rgba(255, 255, 255, 0.76);
    font-weight: 300;
}

.safety-copy .safety-highlight {
    margin: 0 0 24px;
    padding: 12px 0 12px 22px;
    color: var(--white);
    border-left: 4px solid var(--turquoise);
    font-family: var(--serif);
    font-size: clamp(22px, 2.4vw, 30px);
    font-weight: 500;
    line-height: 1.15;
}

.safety-points {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.safety-points li {
    padding: 18px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 300;
}

.booking-band {
    padding: 76px 0;
    background: var(--turquoise);
}

.booking-shell {
    width: min(1080px, calc(100% - 40px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 44px;
    align-items: center;
}

.booking-shell h2 {
    margin-bottom: 8px;
    color: var(--navy);
    font-size: 44px;
}

.booking-shell p {
    margin: 0;
}

.activity-switcher {
    padding: 48px 0;
    background: var(--mist);
}

.switcher-shell {
    width: min(1080px, calc(100% - 40px));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.switcher-shell label {
    font-weight: 400;
}

.switcher-shell select {
    width: min(100%, 480px);
    min-height: 50px;
    padding: 10px 42px 10px 14px;
    color: var(--navy);
    border: 1px solid var(--line);
    border-radius: 3px;
    background: var(--white);
    font: inherit;
}

.site-footer {
    padding: 42px 0;
    color: rgba(255, 255, 255, 0.72);
    background: var(--navy-deep);
}

.footer-shell {
    width: min(1080px, calc(100% - 40px));
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.footer-shell a {
    color: var(--white);
}

@media (max-width: 900px) {
    .desktop-nav {
        display: none;
    }

    .menu-button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-nav {
        position: fixed;
        z-index: 45;
        inset: 76px 0 0;
        padding: 38px 28px;
        display: none;
        flex-direction: column;
        gap: 22px;
        color: var(--navy);
        background: var(--white);
    }

    .mobile-nav.active {
        display: flex;
    }

    .mobile-nav a {
        padding-bottom: 15px;
        border-bottom: 1px solid var(--line);
        font-weight: 700;
        text-decoration: none;
    }

    .facts-grid {
        grid-template-columns: 1fr 1fr;
    }

    .fact:nth-child(3) {
        border-left: 1px solid var(--line);
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .step {
        min-height: 0;
    }

    .course-day-header {
        text-align: left;
    }

    .two-columns,
    .safety-grid,
    .offer-grid {
        gap: 0;
        grid-template-columns: 1fr;
    }

    .offer-column,
    .offer-column + .offer-column {
        padding: 34px 0 18px;
        border-left: 0;
    }

    .offer-column + .offer-column {
        border-top: 1px solid var(--line);
    }

    .booking-shell {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .site-header {
        height: 68px;
    }

    .nav-shell,
    .hero-inner,
    .facts-grid,
    .content-shell,
    .booking-shell,
    .switcher-shell,
    .footer-shell {
        width: min(100% - 32px, 1080px);
    }

    .brand {
        font-size: 28px;
    }

    .mobile-nav {
        inset-block-start: 68px;
    }

    .activity-hero {
        min-height: 680px;
        padding: 118px 0 54px;
        background-position: var(--mobile-image-position, center);
    }

    .activity-initiation .hero-inner {
        transform: translateY(18px);
    }

    .location-layout.has-image {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .location-media {
        max-width: 280px;
        justify-self: start;
    }

    h1 {
        font-size: 48px;
    }

    .hero-intro {
        font-size: 16px;
    }

    .hero-actions .button {
        width: 100%;
    }

    .facts-grid {
        grid-template-columns: 1fr;
    }

    .fact,
    .fact:first-child,
    .fact:nth-child(3) {
        min-height: 0;
        padding: 22px 16px;
        border-right: 1px solid var(--line);
        border-left: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
    }

    .content-band {
        padding: 68px 0;
    }

    .section-heading {
        margin-bottom: 34px;
    }

    .section-heading h2,
    .info-block h2,
    .safety-copy h2,
    .booking-shell h2 {
        font-size: 36px;
    }

    .step {
        padding: 28px 24px;
    }

    .course-day-header {
        padding: 24px;
    }

    .course-day-header h3 {
        font-size: 21px;
    }

    .course-day-label {
        font-size: 28px;
    }

    .course-day-schedule {
        padding: 0 24px;
    }

    .course-slot {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 22px 0;
    }

    .switcher-shell,
    .footer-shell {
        align-items: stretch;
        flex-direction: column;
    }

    .switcher-shell select {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }
}