:root {
    color-scheme: light;
    --ink: #173247;
    --muted: #536575;
    --navy: #102c42;
    --teal: #006c70;
    --line: #dce5eb;
    --paper: #fff;
    --back: #f3f6f9
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 30px
}

body {
    margin: 0;
    background: var(--back);
    color: var(--ink);
    font: 1rem/1.75 system-ui,-apple-system,"Segoe UI",sans-serif
}

a {
    color: var(--teal);
    text-underline-offset: 4px
}

    a:hover {
        text-decoration-thickness: 2px
    }

    a:focus-visible, button:focus-visible {
        outline: 3px solid #d39920;
        outline-offset: 5px
    }

.skip {
    position: absolute;
    left: 20px;
    top: -100px;
    background: white;
    padding: 12px;
    z-index: 10
}

    .skip:focus {
        top: 10px
    }

.wrap {
    width: min(1160px,calc(100% - 64px));
    margin: auto
}

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

.brandbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid #ffffff30
}

.brand {
    font-size: 1.2rem;
    font-weight: 750;
    letter-spacing: .04em
}

    .brand span {
        font-weight: 400;
        letter-spacing: 0;
        color: #d0dfe9
    }
    .brand img {
        max-width: 300px;
    }

.product {
    font-size: .9rem;
    color: #d0dfe9
}

.hero {
    padding: 48px 0 54px;
    max-width: 810px
}

.eyebrow {
    text-transform: uppercase;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .15em;
    color: #89d9d6
}

h1 {
    font-size: clamp(2.25rem,5vw,3.65rem);
    line-height: 1.12;
    letter-spacing: -.045em;
    margin: 16px 0 22px
}

.hero p {
    font-size: 1.12rem;
    color: #dbe5ed;
    max-width: 700px
}

.meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    font-size: .875rem;
    color: #dbe5ed
}

.layout {
    display: grid;
    grid-template-columns: 244px minmax(0,1fr);
    gap: 48px;
    padding-top: 44px;
    padding-bottom: 64px
}

aside {
    align-self: start;
    position: sticky;
    top: 24px
}

nav strong {
    display: block;
    font-size: .8rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: 14px
}

nav a {
    display: block;
    text-decoration: none;
    color: var(--muted);
    font-size: .9rem;
    padding: 7px 12px;
    border-left: 2px solid var(--line)
}

    nav a:hover, nav a[aria-current="location"] {
        color: var(--teal);
        border-color: var(--teal);
        background: #e6eff0
    }

button {
    font: inherit;
    cursor: pointer;
    border: 1px solid #bacbd6;
    background: white;
    color: var(--ink);
    border-radius: 6px;
    padding: 10px 16px;
    margin-top: 24px;
    width: 100%
}

    button:hover {
        background: #e9f0f4
    }

main {
    min-width: 0
}

.intro, section {
    background: var(--paper);
    padding: 30px 36px;
    border: 1px solid var(--line);
    border-radius: 10px;
    margin-bottom: 18px
}

.intro {
    border-top: 4px solid var(--teal)
}

    .intro p:first-child {
        margin-top: 0
    }

    .intro p:last-child {
        margin-bottom: 0
    }

h2 {
    font-size: 1.4rem;
    line-height: 1.35;
    letter-spacing: -.02em;
    margin: 0 0 20px;
    display: flex;
    gap: 14px
}

    h2 span {
        color: var(--teal);
        font-size: .88rem;
        letter-spacing: .04em;
        line-height: 1.9;
        flex-shrink: 0
    }

h3 {
    font-size: 1.04rem;
    margin: 24px 0 8px
}

p {
    margin: 0 0 16px
}

section p:last-child {
    margin-bottom: 0
}

ul {
    padding-left: 22px;
    margin: 12px 0 20px
}

li {
    margin: 8px 0
}

.note {
    border-left: 3px solid var(--teal);
    padding: 16px 20px;
    background: #edf6f5;
    margin: 22px 0
}

    .note p {
        margin: 0
    }

.retention {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 22px 0
}

.metric {
    background: #edf3f7;
    padding: 20px;
    border-radius: 6px
}

    .metric b {
        display: block;
        font-size: 1.8rem;
        line-height: 1.3;
        color: var(--navy)
    }

    .metric span {
        font-size: .9rem;
        color: var(--muted)
    }

.contact {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy)
}

    .contact h2 span {
        color: #89d9d6
    }

    .contact a {
        color: #a0ebe6;
        overflow-wrap: anywhere
    }

    .contact p {
        color: #e0e9ee
    }

.sources {
    font-size: .875rem;
    color: var(--muted)
}

footer {
    border-top: 1px solid var(--line);
    padding: 26px 0 36px;
    color: var(--muted);
    font-size: .875rem
}

.foot {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap
}

.js-only {
    display: none
}

.js .js-only {
    display: block
}

@media(max - width: 850px) {
    .layout {
        grid-template-columns: 1fr;
        gap: 24px
    }

    aside {
        position: static
    }

    nav {
        display: grid;
        grid-template-columns: 1fr 1fr
    }

        nav strong {
            grid-column: 1/-1
        }

    button {
        width: auto;
        margin-top: 16px
    }

    .hero {
        padding: 32px 0 38px
    }

    .layout {
        padding-top: 28px
    }
}

@media(max - width: 520px) {
    .wrap {
        width: calc(100% - 32px)
    }

    .brandbar {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
        padding: 20px 0
    }

    .intro, section {
        padding: 24px 20px
    }

    h2 {
        font-size: 1.25rem;
        gap: 10px
    }

    nav {
        grid-template-columns: 1fr
    }

        nav a {
            padding: 5px 12px
        }

    .retention {
        grid-template-columns: 1fr
    }

    .meta {
        gap: 5px
    }

    .hero p {
        font-size: 1rem
    }
}

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

@media print {
    body {
        background: white;
        color: #000;
        font-size: 10.5pt
    }

    .wrap {
        width: 100%
    }

    .top {
        background: white;
        color: #000
    }

    .brandbar, .hero p, .meta, .eyebrow {
        color: #333
    }

    .brand span, .product {
        color: #333
    }

    .hero {
        padding: 20px 0
    }

    h1 {
        font-size: 28pt
    }

    .layout {
        display: block;
        padding: 0
    }

    aside, .skip, .back-top {
        display: none
    }

    .intro, section {
        border: 0;
        border-radius: 0;
        padding: 16px 0;
        margin: 0
    }

    .contact {
        background: white;
        color: #000
    }

        .contact p, .contact a {
            color: #000
        }

    h2, h3 {
        break-after: avoid
    }

    p, li {
        orphans: 3;
        widows: 3
    }

    .retention, .note {
        break-inside: avoid
    }

    a {
        color: #000
    }

    footer {
        margin-top: 20px
    }
}