/* =========================================================
   DD TECH LABS — SHARED PAGE LAYOUT
========================================================= */

.site-header {
    position: sticky;
    top: 14px;
    z-index: 1000;

    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 28px;

    width: min(calc(100% - 32px), var(--dd-content-width));
    min-height: 76px;
    margin: 14px auto 0;
    padding: 10px 14px;

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

    background: rgba(8, 10, 15, 0.88);
    box-shadow: var(--dd-shadow-sm);
    backdrop-filter: blur(20px);
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: max-content;
}

.site-brand img {
    width: 52px;
    height: 52px;
    object-fit: contain;
}

.site-brand span {
    display: grid;
    gap: 2px;
    line-height: 1.15;
}

.site-brand strong {
    color: var(--dd-text);
    font-size: 1rem;
}

.site-brand small {
    color: var(--dd-accent);
    font-size: 0.72rem;
    font-weight: 700;
}

.main-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.main-navigation a {
    position: relative;
    padding: 10px 13px;

    border-radius: var(--dd-radius-sm);

    color: var(--dd-text-muted);
    font-size: 0.86rem;
    font-weight: 700;

    transition:
        color var(--dd-transition-fast),
        background var(--dd-transition-fast),
        transform var(--dd-transition-fast);
}

.main-navigation a::after {
    position: absolute;
    right: 13px;
    bottom: 5px;
    left: 13px;

    height: 2px;

    border-radius: var(--dd-radius-pill);
    background: var(--dd-accent);

    content: "";
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--dd-transition-fast);
}

.main-navigation a:hover,
.main-navigation a.active {
    color: var(--dd-text);
    background: rgba(255, 255, 255, 0.045);
    transform: translateY(-1px);
}

.main-navigation a:hover::after,
.main-navigation a.active::after {
    transform: scaleX(1);
}

.header-cta {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;

    padding: 10px 17px;

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

    color: var(--dd-text-dark);
    background: var(--dd-accent);

    font-size: 0.82rem;
    font-weight: 900;

    box-shadow: 0 10px 30px rgba(57, 255, 20, 0.16);

    transition:
        transform var(--dd-transition-fast),
        background var(--dd-transition-fast),
        box-shadow var(--dd-transition-fast);
}

.header-cta:hover {
    transform: translateY(-2px);
    background: var(--dd-accent-hover);
    box-shadow: 0 16px 38px rgba(57, 255, 20, 0.25);
}

.mobile-menu-button {
    display: none;
    width: 44px;
    height: 44px;
    place-items: center;
    padding: 0;

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

    color: var(--dd-text);
    background: rgba(255, 255, 255, 0.04);

    font-size: 1.3rem;
}

/* Main page content */

main {
    width: 100%;
}

.page-section {
    width: min(calc(100% - 40px), var(--dd-content-width));
    margin-inline: auto;
    padding-block: 100px;
}

/* =========================================================
   FOOTER
========================================================= */

.site-footer {
    width: 100%;
    margin-top: auto;
    flex-shrink: 0;
    border-top: 1px solid var(--dd-border);
    background:
        radial-gradient(
            circle at 50% 0%,
            rgba(57, 255, 20, 0.045),
            transparent 32%
        ),
        rgba(5, 7, 11, 0.78);
}

.footer-main {
    display: grid;
    grid-template-columns:
        minmax(240px, 1.3fr)
        minmax(150px, 0.75fr)
        minmax(170px, 0.85fr)
        minmax(260px, 1.15fr);
    gap: 48px;

    width: min(calc(100% - 40px), var(--dd-content-width));
    margin-inline: auto;
    padding: 44px 0 34px;
}

.footer-about {
    max-width: 310px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    width: fit-content;
}

.footer-brand img {
    width: 58px;
    height: 58px;
    object-fit: contain;
}

.footer-brand span {
    display: grid;
    gap: 2px;
    line-height: 1.2;
}

.footer-brand strong {
    color: var(--dd-text);
    font-size: 1rem;
}

.footer-brand small {
    color: var(--dd-accent);
    font-size: 0.76rem;
    font-weight: 700;
}

.footer-about > p {
    margin-top: 20px;
    color: var(--dd-text-muted);
    font-size: 0.88rem;
    line-height: 1.65;
}

.footer-socials {
    display: flex;
    gap: 9px;
    margin-top: 18px;
}

.footer-socials a {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;

    border: 1px solid var(--dd-border);
    border-radius: 11px;

    color: var(--dd-text);
    background: rgba(255, 255, 255, 0.035);

    font-size: 1rem;
    font-weight: 800;

    transition:
        color var(--dd-transition-fast),
        border-color var(--dd-transition-fast),
        background var(--dd-transition-fast),
        transform var(--dd-transition-fast);
}

.footer-socials a:hover {
    transform: translateY(-3px);
    border-color: var(--dd-border-accent);
    color: var(--dd-accent);
    background: var(--dd-accent-soft);
}

.footer-column h3,
.footer-contact-column h3 {
    display: flex;
    align-items: center;
    gap: 9px;

    margin-bottom: 18px;

    color: var(--dd-text);
    font-size: 0.9rem;
}

.footer-heading-dot {
    width: 7px;
    height: 7px;
    flex: 0 0 auto;
    border-radius: 50%;
    box-shadow: 0 0 10px currentColor;
}

.footer-heading-dot-green {
    color: var(--dd-accent);
    background: var(--dd-accent);
}

.footer-heading-dot-purple {
    color: var(--dd-purple);
    background: var(--dd-purple);
}

.footer-heading-dot-yellow {
    color: var(--dd-warning);
    background: var(--dd-warning);
}

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

.footer-column nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;

    padding: 2px 0;
    line-height: 1.35;

    color: var(--dd-text-muted);
    font-size: 0.84rem;

    transition:
        color var(--dd-transition-fast),
        transform var(--dd-transition-fast);
}

.footer-column nav a span {
    color: var(--dd-accent);
    font-size: 1rem;
}

.footer-column nav a:hover {
    transform: translateX(4px);
    color: var(--dd-text);
}

.footer-column nav .footer-lab-link {
    color: var(--dd-accent);
}

.footer-contact-column {
    display: flex;
    flex-direction: column;
}

.footer-contact-link {
    display: flex;
    align-items: center;
    gap: 11px;

    width: fit-content;
    margin-bottom: 10px;

    color: var(--dd-text-muted);
    font-size: 0.84rem;

    transition:
        color var(--dd-transition-fast),
        transform var(--dd-transition-fast);
}

.footer-contact-link > span {
    display: grid;
    width: 26px;
    height: 26px;
    place-items: center;

    color: var(--dd-warning);
    font-size: 1rem;
}

.footer-contact-link:hover {
    transform: translateX(4px);
    color: var(--dd-text);
}

.footer-lab-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 13px;

    margin-top: 18px;
    padding: 15px;

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

    background:
        radial-gradient(
            circle at left,
            rgba(57, 255, 20, 0.07),
            transparent 45%
        ),
        rgba(255, 255, 255, 0.025);

    transition:
        transform var(--dd-transition),
        border-color var(--dd-transition),
        box-shadow var(--dd-transition);
}

.footer-lab-card:hover {
    transform: translateY(-4px);
    border-color: var(--dd-border-accent);
    box-shadow:
        0 18px 45px rgba(0, 0, 0, 0.28),
        0 0 28px rgba(57, 255, 20, 0.06);
}

.footer-lab-icon {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;

    border-radius: 12px;

    color: var(--dd-accent);
    background: var(--dd-accent-soft);

    font-size: 1.4rem;
}

.footer-lab-card > span:nth-child(2) {
    display: grid;
    gap: 2px;
}

.footer-lab-card strong {
    color: var(--dd-text);
    font-size: 0.87rem;
}

.footer-lab-card small {
    color: var(--dd-text-muted);
    font-size: 0.74rem;
}

.footer-lab-arrow {
    color: var(--dd-text-muted);
    font-size: 1.25rem;
}

.footer-bottom {
    display: flex;
    justify-content: center;

    padding: 14px 20px;

    border-top: 1px solid var(--dd-border);
}

.footer-bottom small {
    color: #717987;
    font-size: 0.76rem;
    text-align: center;
}

.footer-bottom small span:last-of-type {
    color: var(--dd-accent);
}

.site-footer > small {
    grid-column: 1 / -1;

    padding-top: 22px;
    border-top: 1px solid var(--dd-border);

    color: #69717e;
    font-size: 0.76rem;
}

.main-navigation .lab-navigation-link {
    color: var(--dd-accent);
    border: 1px solid var(--dd-border-accent);
    background: var(--dd-accent-soft);
}

.main-navigation .lab-navigation-link:hover {
    color: var(--dd-text-dark);
    background: var(--dd-accent);
}

@media (max-width: 650px) {
    .footer-main {
        gap: 18px;
        padding: 24px 0 18px;
    }

    .footer-column nav {
        gap: 0;
    }

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

    .footer-column h3,
    .footer-contact-column h3 {
        margin-bottom: 8px;
    }
}

@media (max-width: 889px) {
    main {
        padding-bottom: 35px;
    }
}