:root {
    --dbio-blue: #2563eb;
    --dbio-cyan: #06b6d4;
    --dbio-navy: #0f172a;
    --dbio-slate: #64748b;
    --dbio-mist: #f1f5f9;
    --dbio-white: #ffffff;
    --dbio-success: #15803d;
    --dbio-danger: #b91c1c;
    --dbio-gradient: linear-gradient(135deg, var(--dbio-cyan) 0%, var(--dbio-blue) 100%);
    --dbio-shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.08);
    --dbio-shadow-md: 0 18px 48px rgba(15, 23, 42, 0.14);
    --dbio-radius-sm: 12px;
    --dbio-radius-md: 20px;
    --dbio-radius-lg: 28px;
}

html {
    color: var(--dbio-navy);
    scroll-behavior: smooth;
}

body,
button,
input,
select,
textarea {
    font-family: "Poppins", "Segoe UI", Arial, sans-serif;
}

.skip-link {
    position: fixed;
    z-index: 9999;
    top: 12px;
    left: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    color: var(--dbio-white);
    background: var(--dbio-navy);
    transform: translateY(-160%);
    transition: transform 0.2s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

:where(a, button, input, select, textarea, summary):focus-visible {
    outline: 3px solid var(--dbio-cyan);
    outline-offset: 3px;
}

.brand-logo {
    display: block;
    width: auto;
    max-width: 100%;
}

.brand-logo--primary {
    min-width: 240px;
}

.brand-logo--horizontal {
    min-width: 140px;
}

.brand-symbol {
    display: block;
    width: 48px;
    height: 48px;
}

.site-footer {
    padding: 48px 20px 28px;
    color: rgba(255, 255, 255, 0.84);
    background: var(--dbio-navy);
}

.site-footer__inner {
    display: grid;
    grid-template-columns: minmax(220px, 1.3fr) repeat(2, minmax(150px, 1fr));
    gap: 32px;
    width: min(1120px, 100%);
    margin: 0 auto;
}

.site-footer__brand {
    width: min(260px, 100%);
    margin-bottom: 18px;
}

.site-footer h2 {
    margin: 0 0 12px;
    color: var(--dbio-white);
    font-size: 1rem;
}

.site-footer p {
    max-width: 42ch;
    margin: 0;
    line-height: 1.7;
}

.site-footer ul {
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.84);
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.site-footer a:hover {
    color: var(--dbio-white);
}

.site-footer__bottom {
    width: min(1120px, 100%);
    padding-top: 24px;
    margin: 32px auto 0;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.875rem;
}

details.faq-item > summary.faq-question {
    list-style: none;
    cursor: pointer;
}

details.faq-item > summary.faq-question::-webkit-details-marker {
    display: none;
}

details.faq-item > .faq-answer {
    display: block;
    max-height: none;
}

details.faq-item:not([open]) > .faq-answer {
    display: none;
}

details.faq-item[open] .faq-icon {
    transform: rotate(180deg);
}

@media (max-width: 720px) {
    .site-footer__inner {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
