:root {
    --navy: #072b4d;
    --navy-strong: #031d35;
    --blue: #0c6ea9;
    --blue-soft: #dfeffb;
    --sky: #86c5e8;
    --white: #ffffff;
    --text: #1f2a37;
    --muted: #5f6d7a;
    --line: #dfe7ef;
    --bg: #f5f9fc;
    --shadow: 0 18px 45px rgba(7, 43, 77, 0.08);
    --radius: 20px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: var(--white);
    color: var(--text);
    line-height: 1.7;
}

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

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

p,
ul,
ol {
    margin-top: 0;
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.narrow {
    max-width: 760px;
}

.text-center {
    text-align: center;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 78px;
    gap: 24px;
}

.brand {
    color: var(--navy);
    font-size: clamp(1.7rem, 2vw, 2.3rem);
    font-weight: 800;
    letter-spacing: -0.06em;
}

.brand span {
    color: var(--blue);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: clamp(16px, 2vw, 30px);
}

.main-nav a {
    color: var(--navy);
    font-weight: 600;
    font-size: 0.96rem;
    transition: opacity 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
    opacity: 0.7;
}

.hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-strong) 35%, var(--blue) 100%);
    color: var(--white);
    padding: clamp(60px, 7vw, 120px) 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    align-items: center;
    gap: 32px;
}

.eyebrow {
    display: inline-block;
    margin: 0 0 18px;
    letter-spacing: 0.17em;
    text-transform: uppercase;
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--sky);
}

.hero-copy h1 {
    margin: 0;
    font-size: clamp(3rem, 7vw, 6rem);
    line-height: 0.95;
    letter-spacing: -0.07em;
}

.lead {
    max-width: 560px;
    margin: 18px 0 30px;
    font-size: clamp(1.05rem, 2vw, 1.4rem);
    color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--white);
    color: var(--navy);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.18);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: var(--white);
}

.hero-panel {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
}

.hero-panel h2 {
    margin: 0 0 16px;
    font-size: 1.45rem;
}

.hero-panel ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
    color: rgba(255, 255, 255, 0.92);
}

.hero-panel li {
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
}

.intro-section {
    padding: 72px 0 20px;
    background: linear-gradient(180deg, #f9fbfd 0%, #ffffff 100%);
}

.intro-section h2,
.section-heading h2,
.cta-box h2 {
    margin: 0 0 18px;
    color: var(--navy);
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.05em;
}

.intro-section p {
    font-size: 1.08rem;
    color: var(--muted);
    margin: 0;
}

.features,
.activities-preview,
.section-block {
    padding: 30px 0 80px;
}

.section-block {
    background: linear-gradient(180deg, #f7fbfe 0%, var(--white) 100%);
}

.cards-grid,
.activity-grid,
.contact-grid {
    display: grid;
    gap: 26px;
}

.cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.activity-card,
.contact-card,
.content-shell {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.info-card {
    padding: 32px 24px;
}

.icon,
.activity-icon,
.contact-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: var(--blue-soft);
    font-size: 1.7rem;
    margin-bottom: 18px;
}

.info-card h3,
.activity-card h3,
.contact-card h2 {
    margin: 0 0 12px;
    color: var(--navy);
    font-size: 1.45rem;
}

.info-card p,
.activity-card p,
.contact-card p,
.page-copy p,
.page-copy li {
    color: var(--muted);
    margin: 0;
    font-size: 1.02rem;
}

.section-heading {
    margin-bottom: 26px;
}

.activity-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.activity-card {
    padding: 30px 24px;
}

.future-card {
    background: linear-gradient(180deg, #f7fbff 0%, #edf5fd 100%);
}

.cta-strip {
    padding: 0 0 90px;
}

.cta-box {
    background: linear-gradient(135deg, var(--navy), var(--blue));
    color: var(--white);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: clamp(24px, 4vw, 42px);
    box-shadow: var(--shadow);
}

.cta-box .eyebrow {
    color: rgba(255, 255, 255, 0.8);
}

.cta-box h2 {
    color: var(--white);
    margin-bottom: 0;
}

.site-footer {
    background: var(--navy);
    color: var(--white);
    padding: 24px 0;
}

.footer-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-wrap strong,
.footer-wrap a {
    font-weight: 700;
}

.footer-wrap a {
    color: rgba(255, 255, 255, 0.9);
}

.page-hero-small {
    padding: 64px 0 52px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-strong) 42%, var(--blue) 100%);
    color: var(--white);
}

.page-hero-small .eyebrow {
    color: var(--sky);
}

.page-hero-small h1 {
    margin: 0;
    color: var(--white);
    font-size: clamp(2.6rem, 6vw, 4.8rem);
    line-height: 1;
    letter-spacing: -0.06em;
}

.page-copy {
    padding: clamp(28px, 4vw, 44px);
}

.page-copy h2,
.page-copy h3 {
    color: var(--navy);
    margin: 1.2em 0 0.7em;
    line-height: 1.2;
}

.page-copy p,
.page-copy li {
    margin-bottom: 1rem;
}

.page-copy ul,
.page-copy ol {
    padding-left: 1.4rem;
}

.content-shell {
    padding: 0;
}

.content-shell-wide {
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.content-shell-wide .page-copy {
    margin-bottom: 30px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.activity-grid-page {
    margin-top: 30px;
}

.contact-grid-page {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 900px;
}

.contact-card {
    padding: 32px 28px;
}

.link-inline {
    display: inline-block;
    margin-top: 10px;
    color: var(--blue);
    font-weight: 700;
}

@media (max-width: 900px) {

    .hero-grid,
    .contact-grid-page,
    .cards-grid,
    .activity-grid {
        grid-template-columns: 1fr;
    }

    .cta-box {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .nav-wrap {
        flex-direction: column;
        justify-content: center;
        padding: 12px 0 16px;
    }

    .main-nav {
        gap: 18px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding-top: 52px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

    .footer-wrap {
        flex-direction: column;
        align-items: flex-start;
    }
}