/*
========================================
responsive.css
Zentrale Responsive-Regeln

Breakpoints:
1300px - kleinere Desktop-Layouts
1100px - Tablet quer
900px  - Tablet hoch
700px  - Mobile groß
520px  - Mobile klein
========================================
*/

@media (max-width: 1300px) {
    .product-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .research-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .background-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .background-card:nth-child(7) {
        grid-column: span 2;
    }
}

@media (max-width: 1100px) {
    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section {
        padding-top: 96px;
        padding-bottom: 96px;
    }

    .hero-content {
        max-width: 760px;
    }
}

@media (max-width: 900px) {
    :root {
        --container-padding: 24px;
        --space-xl: 88px;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .product-grid,
    .research-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .product-tile {
        min-height: 340px;
    }

    .background-card,
    .background-card:nth-child(7) {
        min-height: 360px;
    }

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

    .motivation-vision {
        min-height: 72vh;
    }

    .motivation-vision-content {
        padding-top: var(--space-xl);
        padding-bottom: var(--space-xl);
    }

    .contact-card {
        margin-top: var(--space-md);
    }
}

@media (max-width: 700px) {
    h1 {
        font-size: clamp(42px, 14vw, 68px);
        letter-spacing: -0.055em;
    }

    h2 {
        font-size: clamp(32px, 10vw, 50px);
    }

    h3 {
        font-size: clamp(22px, 7vw, 34px);
    }

    p {
        font-size: 17px;
    }

    .section {
        padding-top: 78px;
        padding-bottom: 78px;
    }

    .hero {
        min-height: 92vh;
    }

    .hero-content {
        max-width: 100%;
        padding-top: 80px;
    }

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

    .product-grid,
    .research-grid,
    .background-card-grid {
        grid-template-columns: 1fr;
    }

    .background-card:nth-child(7) {
        grid-column: auto;
    }

    .product-tile,
    .background-card,
    .background-card:nth-child(7) {
        min-height: 320px;
    }

    .infographic-placeholder {
        min-height: 360px;
    }

    .next-topic-card {
        padding: 38px 28px;
    }

    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 520px) {
    :root {
        --container-padding: 20px;
        --space-md: 24px;
        --space-lg: 48px;
    }

    .btn {
        width: 100%;
        min-height: 54px;
    }

    .card,
    .application-card,
    .contact-card {
        padding: 24px;
    }

    .image-frame {
        border-radius: 28px;
    }

    .scroll-indicator {
        left: 20px;
        bottom: 24px;
    }

    .site-footer {
        padding-top: 30px;
        padding-bottom: 30px;
    }
}

@media (max-width: 900px) {

    .subpage-content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .subpage-header {
        min-height: 380px;
    }

    .subpage-header-inner {
        padding-top: 130px;
        padding-bottom: 48px;
    }
}

@media (max-width: 600px) {
    .subpage-header {
        min-height: 330px;
    }

    .subpage-header-inner {
        padding-top: 112px;
        padding-bottom: 38px;
    }

    .subpage-summary {
        font-size: 16px;
    }

    .subpage-meta {
        margin-top: 18px;
    }
}

@media (max-width: 900px) {
    .editorial-feature,
    .editorial-sections {
        grid-template-columns: 1fr;
    }

    .editorial-highlight {
        grid-column: auto;
    }
}

@media (max-width: 980px) {
    .landing-hero {
        grid-template-columns: 1fr;
        gap: 56px;
        padding-top: 140px;
    }

    .landing-text {
        max-width: 720px;
    }

    .landing-card {
        justify-content: flex-start;
    }
}

@media (max-width: 560px) {
    .landing-hero {
        padding-top: 120px;
        padding-bottom: 60px;
    }

    .landing-card {
        min-height: 58px;
        padding: 0 20px;
        border-radius: 14px;
        font-size: 20px;
    }
}

@media (max-width:1100px){

    .expertise-grid{

        grid-template-columns:
            repeat(2,1fr);

    }

}

@media (max-width:700px){

    .expertise-grid{

        grid-template-columns:
            1fr;

    }

}

@media (max-width:1180px){
    .nav-container{
        grid-template-columns: auto 1fr;
        padding: 16px var(--container-padding);
    }
}