:root {
    /* Zentrale Anpassungspunkte für das Branding. */
    --brand-primary: #005b82;
    --brand-secondary: #006b6b;
    --brand-accent: #005b9d;
    --brand-ink: #15313d;
    --brand-muted: #465961;
    --brand-surface: #ffffff;
    --brand-background: #edf4f5;
    --brand-border: #cbdcdf;
    --font-display: Georgia, "Times New Roman", serif;
    --font-body: "Trebuchet MS", Verdana, sans-serif;
    --content-width: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: light;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--brand-ink);
    background-color: var(--brand-background);
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.68)),
        repeating-linear-gradient(0deg, transparent 0 23px, rgba(0, 91, 130, 0.06) 24px),
        repeating-linear-gradient(90deg, transparent 0 23px, rgba(0, 91, 130, 0.06) 24px);
    font-family: var(--font-body);
    letter-spacing: 0;
}

a {
    color: inherit;
}

.site-header,
main,
footer {
    width: min(calc(100% - 40px), var(--content-width));
    margin-inline: auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 88px;
    border-bottom: 1px solid var(--brand-border);
}

.brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo {
    display: block;
    width: auto;
    height: 64px;
}

.geomar-brand {
    display: inline-flex;
    align-items: center;
}

.geomar-brand img {
    display: block;
    width: auto;
    height: 64px;
}

main {
    padding-block: 72px 80px;
}

.intro {
    max-width: 790px;
}

.eyebrow {
    margin: 0 0 16px;
    color: var(--brand-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1,
h2,
h3 {
    font-family: var(--font-display);
}

h1 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(2.6rem, 7vw, 5rem);
    font-weight: 500;
    line-height: 0.98;
}

.intro-text {
    max-width: 650px;
    margin: 28px 0 0;
    color: var(--brand-muted);
    font-size: 1.1rem;
    line-height: 1.7;
}

.support-contact {
    margin: 12px 0 0;
    color: var(--brand-muted);
    font-size: 1.1rem;
    line-height: 1.7;
}

.services {
    margin-top: 88px;
}

.management-service {
    margin-top: 64px;
}

.management-card {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr) minmax(150px, 0.4fr);
    gap: 36px;
    padding: 38px;
    border: 1px solid var(--brand-border);
    border-left: 8px solid #005c9b;
    border-radius: 6px;
    background: var(--brand-surface);
    box-shadow: 0 16px 40px rgba(21, 49, 61, 0.1);
    cursor: pointer;
    text-decoration: none;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.management-card:hover {
    border-color: var(--brand-secondary);
    box-shadow: 0 20px 46px rgba(21, 49, 61, 0.16);
    transform: translateY(-3px);
}

.management-card:focus-visible {
    outline: 3px solid var(--brand-accent);
    outline-offset: 4px;
}

.management-card h2 {
    max-width: 420px;
    margin: 0;
    color: var(--brand-primary);
    font-size: 2.2rem;
    line-height: 1.05;
}

.management-card-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.management-card-content p {
    max-width: 530px;
    margin: 0;
    color: var(--brand-muted);
    font-size: 1.1rem;
    line-height: 1.65;
}

.management-card-content .management-availability {
    margin-top: 16px;
    color: var(--brand-primary);
    font-size: 0.88rem;
    font-weight: 700;
    line-height: 1.4;
}

.management-card .service-link {
    margin-top: 24px;
    padding-top: 0;
    font-size: 1rem;
}

.management-card-logo {
    align-self: center;
    justify-self: end;
    width: min(100%, 180px);
    height: auto;
}

.section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 22px;
}

.section-heading h2 {
    margin: 0;
    font-size: 1.7rem;
}

.section-heading p {
    margin: 0;
    color: var(--brand-muted);
    font-size: 0.9rem;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.service-card {
    display: flex;
    min-height: 220px;
    flex-direction: column;
    padding: 26px;
    border: 1px solid var(--brand-border);
    border-top: 4px solid var(--brand-primary);
    border-radius: 6px;
    background: var(--brand-surface);
    box-shadow: 0 12px 32px rgba(21, 49, 61, 0.07);
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.service-card:hover {
    border-color: var(--brand-secondary);
    box-shadow: 0 16px 38px rgba(21, 49, 61, 0.13);
    transform: translateY(-3px);
}

.service-card.accent-management {
    border-top-color: #005c9b;
}

.service-card.accent-boknis {
    border-top-color: #005b82;
}

.service-card.accent-soop {
    border-top-color: #00a6a6;
}

.service-card.accent-memento {
    border-top-color: #e8b44c;
}

.service-card.accent-s4o2 {
    border-top-color: #5ec5ed;
}

.service-card.accent-underway {
    border-top-color: #009ba4;
}

.service-card h3 {
    margin: 0 0 12px;
    font-size: 1.35rem;
}

.service-card p {
    margin: 0;
    color: var(--brand-muted);
    line-height: 1.55;
}

.service-card .service-availability {
    margin-top: 16px;
    color: var(--brand-primary);
    font-size: 0.88rem;
    font-weight: 700;
    line-height: 1.4;
}

.service-links {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    margin-top: auto;
}

.service-link {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: 8px;
    margin-top: auto;
    padding-top: 24px;
    color: var(--brand-primary);
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.service-links .service-link {
    margin-top: 0;
    padding-top: 24px;
}

.project-link {
    color: var(--brand-muted);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.link-with-icon {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.link-icon {
    width: 1em;
    height: 1em;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.service-link::after {
    content: "\2192";
    transition: transform 160ms ease;
}

.service-link:hover::after,
.service-link:focus-visible::after {
    transform: translateX(4px);
}

.service-link:focus-visible,
.brand:focus-visible,
footer a:focus-visible,
.geomar-brand:focus-visible {
    outline: 3px solid var(--brand-accent);
    outline-offset: 4px;
}

.resources {
    margin-top: 88px;
}

.resource-list {
    display: grid;
    gap: 1px;
    border: 1px solid var(--brand-border);
    background: var(--brand-border);
}

.resource-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 22px 26px;
    background: var(--brand-surface);
}

.resource-item h3 {
    margin: 0 0 8px;
    font-size: 1.15rem;
}

.resource-item p {
    max-width: 700px;
    margin: 0;
    color: var(--brand-muted);
    line-height: 1.55;
}

.resource-item .service-link {
    flex-shrink: 0;
    margin-top: 0;
    padding-top: 0;
}

footer {
    padding-block: 24px 36px;
    border-top: 1px solid var(--brand-border);
    color: var(--brand-muted);
    font-size: 0.82rem;
}

footer p {
    margin: 0;
}

@media (max-width: 820px) {
    .service-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .site-header,
    main,
    footer {
        width: min(calc(100% - 28px), var(--content-width));
    }

    .site-header {
        min-height: 76px;
    }

    .brand-logo {
        height: 52px;
    }

    .geomar-brand img {
        height: 52px;
    }

    main {
        padding-block: 52px 60px;
    }

    h1 {
        font-size: 2.75rem;
    }

    .services {
        margin-top: 64px;
    }

    .resources {
        margin-top: 64px;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }

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

    .service-card {
        min-height: 200px;
    }

    .management-card {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 28px;
    }

    .management-card-logo {
        display: none;
    }

    .management-card h2 {
        font-size: 1.9rem;
    }

    .resource-item {
        align-items: flex-start;
        flex-direction: column;
        gap: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}