:root {
        --bg: #fbfaf7;
        --ink: #102630;
        --muted: #627178;
        --teal: #08777a;
        --teal-dark: #075c60;
        --line: #e4e9e6;
        --soft: #eff5f1;
        --radius: 22px;
    }

    * {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        background: var(--bg);
        color: var(--ink);
        font-family: Inter, system-ui, -apple-system, sans-serif;
        line-height: 1.6;
    }

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

    .container {
        width: min(1160px, calc(100% - 40px));
        margin-inline: auto;
    }

    header {
        position: sticky;
        top: 0;
        z-index: 10;
        background: rgba(251, 250, 247, .94);
        border-bottom: 1px solid var(--line);
        backdrop-filter: blur(12px);
    }

    nav {
        min-height: 76px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
    }

    .logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        text-decoration: none;
        color: var(--ink);
    }

    .logo-icon {
        width: 42px;
        height: 42px;
        display: grid;
        place-items: center;
        flex-shrink: 0;
        background: var(--teal);
        color: #fff;
        border-radius: 10px;
        transition: background 0.2s, transform 0.2s;
    }

    .logo:hover .logo-icon {
        background: var(--teal-dark);
        transform: translateY(-1px);
    }

    .logo-name {
        font-family: inherit;
        font-size: 21px;
        font-weight: 350;
        letter-spacing: -0.5px;
        white-space: nowrap;
        color: var(--teal);
    }

    .logo:focus-visible {
        outline: 2px solid var(--teal);
        outline-offset: 4px;
        border-radius: 4px;
    }

    @media (max-width: 600px) {
        .logo-icon {
            width: 36px;
            height: 36px;
        }

        .logo-icon svg {
            width: 21px;
            height: 21px;
        }

    }

    .nav-links {
        display: flex;
        flex-wrap: wrap;
        gap: 23px;
        font-size: 14px;
    }

    .nav-links a:hover {
        color: var(--teal);
    }

    .button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 12px 20px;
        border: 1px solid var(--teal);
        border-radius: 10px;
        background: var(--teal);
        color: white;
        font: inherit;
        transition: background .2s, transform .2s;
    }

    .button:hover {
        background: var(--teal-dark);
        transform: translateY(-1px);
    }

    .button.secondary {
        background: transparent;
        color: var(--ink);
        border-color: #8c999a;
    }

    .button.secondary:hover {
        background: var(--soft);
    }

    .hero {
        display: grid;
        grid-template-columns: 1.15fr .85fr;
        gap: 55px;
        align-items: center;
        padding-block: 70px 52px;
    }

    .eyebrow {
        color: var(--muted);
        font-size: 12px;
        letter-spacing: .13em;
        text-transform: uppercase;
    }

    h1 {
        max-width: 700px;
        margin: 18px 0;
        font-size: clamp(38px, 5vw, 62px);
        font-weight: 500;
        letter-spacing: -.045em;
        line-height: 1.12;
    }

    h2 {
        margin: 8px 0 14px;
        font-size: clamp(28px, 3.5vw, 40px);
        font-weight: 500;
        letter-spacing: -.035em;
        line-height: 1.2;
    }

    h3 {
        font-size: 18px;
        font-weight: 600;
    }

    p {
        color: var(--muted);
    }

    .hero-copy > p {
        max-width: 600px;
        font-size: 17px;
    }

    .actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 25px;
    }

    .portrait {
        height: 420px;
        overflow: hidden;
        border-radius: 40% 28% 32% 25%;
        background: #e6ece5;
    }

    .portrait img {
        width: 100%;
        height: 100%;
        display: block;
        object-fit: cover;
        object-position: center;
    }

    .portrait span {
        display: block;
        font-size: 64px;
        margin-bottom: 12px;
    }

    .portrait small {
        color: #4f6e6c;
    }

    .topics {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        border-block: 1px solid var(--line);
        padding-block: 24px;
        margin-bottom: 52px;
    }

    .topic {
        padding: 10px 20px;
        border-right: 1px solid var(--line);
    }

    .topic:first-child {
        padding-left: 0;
    }

    .topic:last-child {
        border: 0;
    }

    .topic strong {
        display: block;
        font-size: 15px;
    }

    .topic p {
        margin-bottom: 0;
        font-size: 13px;
    }

    section {
        scroll-margin-top: 100px;
    }

    .feature {
        display: grid;
        grid-template-columns: 1.05fr .95fr;
        gap: 40px;
        align-items: center;
        padding: 38px;
        border-radius: var(--radius);
        background: var(--soft);
        margin-bottom: 76px;
    }

    .feature h2 {
        margin-top: 10px;
    }

    .feature-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .feature-list li {
        position: relative;
        padding: 0 0 20px 32px;
    }

    .feature-list li::before {
        content: "✓";
        position: absolute;
        left: 0;
        top: 1px;
        display: grid;
        place-items: center;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: #75bdb1;
        color: white;
        font-size: 13px;
    }

    .feature-list strong {
        display: block;
    }

    .feature-list span {
        color: var(--muted);
        font-size: 14px;
    }

    .section {
        padding-block: 45px 65px;
        border-bottom: 1px solid var(--line);
    }

    .section-intro {
        max-width: 650px;
        margin-bottom: 30px;
    }

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

    .card {
        padding: 24px;
        border: 1px solid var(--line);
        border-radius: 16px;
        background: rgba(255, 255, 255, .45);
    }

    .card .number {
        color: var(--teal);
        font-family: monospace;
        font-size: 13px;
    }

    .card h3 {
        margin-bottom: 8px;
    }

    .card p {
        font-size: 14px;
    }

    .tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .tag {
        padding: 9px 13px;
        border: 1px solid var(--line);
        border-radius: 99px;
        font-size: 14px;
        background: white;
    }

    .timeline {
        border-left: 2px solid #c9ddd5;
        margin-left: 8px;
        padding-left: 25px;
    }

    .timeline article {
        position: relative;
        margin-bottom: 28px;
    }

    .timeline article::before {
        content: "";
        position: absolute;
        width: 10px;
        height: 10px;
        left: -31px;
        top: 7px;
        border-radius: 50%;
        background: var(--teal);
    }

    .timeline strong {
        display: block;
    }

    .timeline p {
        margin-top: 5px;
    }

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

    .knowledge-card {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        padding: 26px;
        border: 1px solid var(--line);
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.45);
    }

    .knowledge-card .number {
        color: var(--teal);
        font-family: monospace;
        font-size: 12px;
        letter-spacing: 0.04em;
    }

    .knowledge-card h3 {
        margin: 20px 0 8px;
    }

    .knowledge-card p {
        font-size: 14px;
        flex-grow: 1;
    }

    .text-link {
        display: inline-block;
        margin-top: 18px;
        color: var(--teal);
        font-size: 14px;
        font-weight: 600;
    }

    .text-link:hover {
        color: var(--teal-dark);
        text-decoration: underline;
        text-underline-offset: 4px;
    }

    .research-card {
        background: var(--soft);
    }

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

        .research-card {
            grid-column: 1 / -1;
        }
    }

    @media (max-width: 600px) {
        .knowledge-grid {
            grid-template-columns: 1fr;
        }

        .research-card {
            grid-column: auto;
        }
    }

    .talk-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 8px 16px;
        margin: 4px 0 10px;
    }

    .talk-meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--muted);
        font-size: 12px;
    }

    .talk-meta svg {
        width: 15px;
        height: 15px;
        flex-shrink: 0;
        fill: none;
        stroke: var(--teal);
        stroke-width: 1.7;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

    .contact {
        margin-block: 70px;
        padding: 42px;
        border-radius: var(--radius);
        background: #12373d;
        color: white;
    }

    .contact h2 {
        max-width: 650px;
    }

    .contact p {
        color: #d0e0df;
    }

    .contact .button {
        background: white;
        color: var(--ink);
        border-color: white;
    }

    footer {
        display: flex;
        justify-content: space-between;
        gap: 20px;
        padding-block: 24px;
        color: var(--muted);
        font-size: 13px;
    }

    .menu-toggle {
        display: none;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: transparent;
        padding: 8px 12px;
        font: inherit;
    }

    @media (max-width: 850px) {
        .nav-links {
            gap: 12px;
        }

        .nav-contact {
            display: none;
        }

        .hero {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .portrait {
            min-height: 250px;
        }

        .topics {
            grid-template-columns: repeat(2, 1fr);
        }

        .topic {
            border-right: 0;
            padding: 15px;
        }

        .feature {
            grid-template-columns: 1fr;
            padding: 26px;
        }

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

    @media (max-width: 600px) {
        .menu-toggle {
            display: block;
        }

        nav {
            flex-wrap: wrap;
            padding-block: 12px;
        }

        .nav-links {
            display: none;
            width: 100%;
            flex-direction: column;
            padding: 12px 0;
        }

        .nav-links.open {
            display: flex;
        }

        .hero {
            padding-top: 42px;
        }

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

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

        .contact {
            padding: 28px;
        }

        footer {
            flex-direction: column;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
            scroll-behavior: auto !important;
            transition: none !important;
        }
    }

    .contact-links {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 18px;
        margin-top: 24px;
    }

    .contact-linkedin {
        color: #fff;
        font-size: 14px;
        font-weight: 500;
        text-underline-offset: 4px;
    }

    .contact-linkedin:hover {
        text-decoration: underline;
    }
/* =========================================================
   Rechtliche Seite: Impressum & Datenschutz
   Verwendet dieselben Farbvariablen und Typografie wie index.html
   ========================================================= */

.legal-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(251, 250, 247, .94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}

.legal-nav {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.legal-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    text-decoration: none;
}

.legal-logo-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    background: var(--teal);
    color: #fff;
    border-radius: 10px;
    transition: background .2s, transform .2s;
}

.legal-logo:hover .legal-logo-icon {
    background: var(--teal-dark);
    transform: translateY(-1px);
}

.legal-logo-name {
    font-size: 21px;
    font-weight: 350;
    letter-spacing: -.5px;
    white-space: nowrap;
    color: var(--teal);
}

.legal-back {
    color: var(--muted);
    font-size: 14px;
}

.legal-back:hover {
    color: var(--teal);
}

.legal-main {
    width: min(760px, calc(100% - 40px));
    margin-inline: auto;
    padding: 76px 0 90px;
}

.legal-eyebrow {
    color: var(--muted);
    font-size: 12px;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.legal-main h1 {
    max-width: 700px;
    margin: 18px 0;
    font-size: clamp(38px, 5vw, 62px);
    font-weight: 500;
    letter-spacing: -.045em;
    line-height: 1.12;
}

.legal-intro {
    max-width: 600px;
    font-size: 17px;
    margin-bottom: 50px;
}

.legal-section {
    padding: 34px 0;
    border-top: 1px solid var(--line);
    scroll-margin-top: 100px;
}

.legal-section h2 {
    margin: 0 0 24px;
    font-size: clamp(26px, 3vw, 34px);
    font-weight: 500;
    letter-spacing: -.035em;
    line-height: 1.2;
}

.legal-section h3 {
    margin: 26px 0 8px;
    font-size: 16px;
    font-weight: 600;
}

.legal-section p,
.legal-section li {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.85;
}

.legal-section p {
    margin: 0 0 16px;
}

.legal-section ul {
    padding-left: 20px;
}

.legal-section a {
    color: var(--teal);
    text-decoration: underline;
    text-underline-offset: 4px;
    overflow-wrap: anywhere;
}

.legal-section a:hover {
    color: var(--teal-dark);
}

.legal-footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding-block: 24px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px;
}

.legal-footer a:hover {
    color: var(--teal);
}

@media (max-width: 600px) {
    .legal-logo-icon {
        width: 36px;
        height: 36px;
    }

    .legal-logo-icon svg {
        width: 21px;
        height: 21px;
    }

    .legal-logo-name {
        font-size: 18px;
    }

    .legal-main {
        padding-top: 48px;
    }

    .legal-footer {
        flex-direction: column;
    }
}