/* =========================================================
   DD TECH LABS — RESPONSIVE LAYOUT
========================================================= */

@media (max-width: 980px) {
    .site-header {
        grid-template-columns: 1fr auto auto;
    }

    .mobile-menu-button {
        display: grid;
    }

    .main-navigation {
        position: absolute;
        top: calc(100% + 10px);
        right: 0;
        left: 0;

        display: none;
        padding: 12px;

        border: 1px solid var(--dd-border);
        border-radius: var(--dd-radius-md);

        background: rgba(8, 10, 15, 0.97);
        box-shadow: var(--dd-shadow-md);
        backdrop-filter: blur(20px);
    }

    .main-navigation.open {
        display: grid;
    }

    .main-navigation a {
        width: 100%;
        padding: 13px 14px;
    }

    .main-navigation a::after {
        display: none;
    }

    .site-footer {
        grid-template-columns: 1fr 1fr;
    }

    .footer-contact {
        grid-column: 1 / -1;
    }
}

@media (max-width: 650px) {
    .site-header {
        top: 8px;

        width: calc(100% - 16px);
        min-height: 66px;
        margin-top: 8px;
        padding: 8px;

        gap: 8px;
    }

    .site-brand img {
        width: 44px;
        height: 44px;
    }

    .site-brand strong {
        font-size: 0.9rem;
    }

    .site-brand small {
        font-size: 0.65rem;
    }

    .header-cta {
        display: none;
    }

    .mobile-menu-button {
        grid-column: 3;
    }

    .page-section {
        width: calc(100% - 28px);
        padding-block: 72px;
    }

    .site-footer {
        grid-template-columns: 1fr;
        width: calc(100% - 28px);
        gap: 28px;
    }

    .footer-contact {
        grid-column: auto;
    }

    .site-footer > small {
        grid-column: auto;
    }
}

@media (max-width: 1050px) {
    .footer-main {
        grid-template-columns:
            max-content
            max-content
            max-content
            max-content;
    }

    .footer-about {
        max-width: none;
    }
}

.footer-main {
    padding: 36px 0 28px;
}

.footer-about > p {
    max-width: 280px;
}

.footer-column nav,
.footer-contact-column {
    font-size: 0.82rem;
}

.footer-bottom {
    padding: 12px 20px;
}

@media (max-width: 650px) {
    .footer-main {
        width: calc(100% - 28px);
        gap: 34px;
        padding: 36px 0 28px;
    }

    .footer-column nav a {
        max-width: 280px;
    }

    .footer-lab-card {
        max-width: 400px;
    }
}

@media (max-width: 650px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 22px;
        padding: 28px 0 22px;
    }

    .footer-about {
        max-width: none;
    }

    .footer-about > p {
        margin-top: 14px;
        max-width: none;
    }

    .footer-socials {
        margin-top: 14px;
    }

    .footer-column {
        border-top: 1px solid var(--dd-border);
        padding-top: 16px;
    }

    .footer-column h3 {
        margin-bottom: 10px;
    }

    .footer-column nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 4px 18px;
    }

    .footer-column nav a {
        padding: 3px 0;
        font-size: 0.8rem;
    }

    .footer-contact-column {
        border-top: 1px solid var(--dd-border);
        padding-top: 16px;
    }

    .footer-contact-column h3 {
        margin-bottom: 10px;
    }

    .footer-contact-link {
        margin-bottom: 6px;
    }

    .footer-lab-card {
        margin-top: 12px;
        padding: 12px;
    }

    .footer-bottom {
        padding: 10px 14px;
    }
}

@media (max-width: 650px) {
    .site-footer {
        overflow-x: auto;
        overflow-y: hidden;
    }

    .footer-main {
        grid-template-columns:
            220px
            150px
            170px
            250px;

        width: max-content;
        min-width: 100%;

        gap: 22px;
        padding: 22px 18px 18px;
    }

    .footer-about {
        width: 220px;
        max-width: 220px;
    }

    .footer-column {
        width: 150px;
    }

    .footer-column:nth-child(3) {
        width: 170px;
    }

    .footer-contact-column {
        width: 250px;
    }

    .footer-column nav {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .footer-column nav a {
        padding: 1px 0;
        line-height: 1.3;
        white-space: nowrap;
    }

    .footer-contact-link {
        white-space: nowrap;
    }

    .footer-lab-card {
        width: 100%;
        margin-top: 10px;
    }

    .footer-bottom {
        width: 100%;
        min-width: 100%;
        position: sticky;
        left: 0;
    }
}

@media (max-width: 650px) {
    .site-footer {
        overflow-x: auto;
        overflow-y: hidden;
    }

    .footer-main {
        grid-template-columns:
            max-content
            max-content
            max-content
            max-content;

        width: max-content;
        min-width: 100%;

        gap: 18px;
        padding: 20px 14px 16px;
    }

    .footer-about,
    .footer-column,
    .footer-column:nth-child(3),
    .footer-contact-column {
        width: auto;
        max-width: none;
        min-width: 0;
    }

    .footer-column nav {
        display: grid;
        gap: 0;
    }

    .footer-column nav a {
        display: flex;
        justify-content: flex-start;
        gap: 8px;

        width: max-content;
        padding: 1px 0;

        line-height: 1.3;
        white-space: nowrap;
    }

    .footer-column nav a span {
        margin-left: 2px;
    }

    .footer-contact-link {
        width: max-content;
        white-space: nowrap;
    }

    .footer-lab-card {
        width: 220px;
        margin-top: 10px;
    }

    .footer-bottom {
        position: sticky;
        left: 0;
        width: 100vw;
        min-width: 100vw;
    }
}

@media (max-width: 760px) {
    .footer-main {
        grid-template-columns:
            repeat(3, minmax(0, 1fr));

        width: calc(100% - 28px);
        min-width: 0;

        gap: 16px;
        padding: 22px 0 18px;
    }

    /* Brand moves above all three columns */
    .footer-about {
        grid-column: 1 / -1;

        display: flex;
        align-items: center;
        justify-content: center;

        width: 100%;
        max-width: none;
    }

    .footer-brand {
        justify-content: center;
    }

    .footer-brand img {
        width: 46px;
        height: 46px;
    }

    /* Remove the paragraph on smaller screens */
    .footer-about > p {
        display: none;
    }

    .footer-socials {
        margin-top: 0;
        margin-left: 14px;
    }

    .footer-socials a {
        width: 34px;
        height: 34px;
    }

    /* Centre the three main columns */
    .footer-column,
    .footer-contact-column {
        width: auto;
        min-width: 0;
        text-align: center;
    }

    .footer-column h3,
    .footer-contact-column h3 {
        justify-content: center;
        margin-bottom: 8px;
        font-size: 0.78rem;
    }

    .footer-column nav {
        justify-items: center;
    }

    .footer-column nav a {
        justify-content: center;
        width: auto;
        gap: 5px;
        padding: 1px 0;
        font-size: 0.72rem;
        line-height: 1.25;
    }

    .footer-contact-column {
        align-items: center;
    }

    .footer-contact-link {
        justify-content: center;
        width: auto;
        margin-bottom: 5px;
        font-size: 0.72rem;
    }

    .footer-contact-link > span {
        width: 20px;
        height: 20px;
        font-size: 0.8rem;
    }

    /* Hide the large Lab card */
    .footer-lab-card {
        display: none;
    }

    .footer-bottom {
        width: 100%;
        min-width: 0;
        padding: 10px 12px;
    }
}

@media (max-width: 520px) {
    .footer-main {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));

        gap: 18px 12px;
    }

    /* Brand stays across the full width */
    .footer-about {
        grid-column: 1 / -1;
    }

    /* Navigation and Quick Links stay side by side */
    .footer-column {
        grid-column: auto;
    }

    /* Get in Touch moves underneath both columns */
    .footer-contact-column {
        grid-column: 1 / -1;

        display: grid;
        grid-template-columns:
            repeat(2, minmax(0, max-content));

        justify-content: center;
        align-items: center;
        gap: 6px 18px;
    }

    .footer-contact-column h3 {
        grid-column: 1 / -1;
        justify-content: center;
        margin-bottom: 2px;
    }

    .footer-contact-link {
        margin: 0;
    }

    .footer-lab-card {
        display: none;
    }
}

@media (max-width: 370px) {
    .footer-contact-column {
        grid-template-columns: 1fr;
        justify-items: center;
    }
}

@media (max-width: 520px) {
    .footer-about {
        grid-column: 1 / -1;

        display: grid;
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 10px;

        text-align: center;
    }

    .footer-brand {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }

    .footer-brand img {
        width: 40px;
        height: 40px;
    }

    .footer-brand span {
        align-items: start;
        text-align: left;
    }

    .footer-brand strong {
        font-size: 0.9rem;
    }

    .footer-brand small {
        font-size: 0.66rem;
        white-space: nowrap;
    }

    .footer-socials {
        display: flex;
        flex-direction: row;
        justify-content: center;
        gap: 8px;

        margin: 0;
    }

    .footer-socials a {
        width: 30px;
        height: 30px;
    }

    .footer-mini-lab {
        margin: 0;
    }
}

/* Keep footer at the bottom of short pages */
html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    min-height: 100dvh;

    display: grid;
    grid-template-rows:
        auto
        minmax(0, 1fr)
        auto;
}

main {
    min-height: 0;
    padding-bottom: 40px;
}

.site-footer {
    align-self: end;
    margin-top: 0;
}

@media (max-width: 980px) {
    .site-header {
        position: sticky;
        top: 8px;
        z-index: 1000;

        grid-template-columns: 1fr auto auto;
        overflow: visible;
    }

    .mobile-menu-button {
        display: grid;
        position: relative;
        z-index: 1002;
    }

    .main-navigation {
        position: absolute;
        top: calc(100% + 10px);
        right: 0;
        left: 0;
        z-index: 1001;

        display: none;
        padding: 12px;

        border: 1px solid var(--dd-border);
        border-radius: var(--dd-radius-md);

        background: rgba(8, 10, 15, 0.98);
        box-shadow: var(--dd-shadow-md);
        backdrop-filter: blur(20px);
    }

    .main-navigation.open {
        display: grid;
        gap: 4px;
    }

    .main-navigation a {
        display: block;
        width: 100%;
        padding: 13px 14px;
    }
}

@media (max-width: 760px) {
    .about-page .dd-panel,
    .contact-page .dd-panel {
        grid-template-columns: 1fr !important;
    }
}