.nav a.is-active {
    background: rgba(24, 191, 239, 0.1);
    border-color: #18bfef;
    color: #fff;
    padding-left: 1.25rem;
}

.site-section {
    margin-left: auto;
    margin-right: auto;
    max-width: 68rem;
}

.intro-panel {
    padding-top: 1rem;
}

.intro-panel--with-art {
    align-items: center;
    display: grid;
    gap: 2rem;
    grid-template-columns: minmax(0, 1fr) minmax(0, 22rem);
}

.intro-panel__art img {
    display: block;
    height: auto;
    max-width: 100%;
    width: 100%;
}

.lead {
    color: rgba(255, 255, 255, 0.86);
    font-size: 1.15rem;
    margin: 0 0 1.5rem;
}

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.badge {
    background: #18bfef;
    border-radius: 3px;
    color: #1c1d26;
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.2em 0.7em;
}

.service-list {
    display: grid;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.service-block__icon {
    display: block;
    margin-bottom: 0.9rem;
}

.board-art {
    align-items: center;
    display: flex;
    gap: 0.9rem;
    margin: 0.5rem 0 1.75rem;
}

.board-art img {
    flex-shrink: 0;
}

.board-art p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.history-art {
    margin: 0.5rem 0 1.75rem;
    max-width: 36rem;
}

.history-art img {
    display: block;
    height: auto;
    width: 100%;
}

.contact-art {
    display: block;
    margin-bottom: 1rem;
}

.service-block,
.features section {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 1.25rem;
}

.service-block p,
.features p,
.contact-list {
    margin-bottom: 0;
}

.features {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 1rem;
}

.features h3 {
    color: #fff;
    margin: 0 0 0.4rem;
}

.section-subtitle {
    color: #18bfef;
    font-size: 1.15rem;
    margin-top: 2rem;
}

.history-table {
    border-collapse: collapse;
    margin: 1em 0;
    width: 100%;
}

.history-table td {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.6em 1em;
    vertical-align: top;
}

.history-table td:first-child {
    color: #18bfef;
    font-weight: 700;
    white-space: nowrap;
    width: 90px;
}

.contact-layout {
    display: grid;
    gap: 2rem;
    grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.8fr);
    margin-top: 1.25rem;
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.contact-form label span {
    color: #fff;
    display: block;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.contact-list {
    list-style: none;
    padding: 0;
}

.contact-list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0 0 1rem;
}

.contact-list li + li {
    padding-top: 1rem;
}

.contact-list h2 {
    font-size: 1rem;
    margin-bottom: 0.35rem;
}

.contact-list a,
.post-content a {
    color: #18bfef;
}

.submit-alert {
    background: rgba(24, 191, 239, 0.12);
    border: 1px solid #18bfef;
    border-radius: 4px;
    color: #fff;
    margin: 0 0 1.5rem;
    padding: 0.9rem 1.1rem;
}

.messages {
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
}

.messages li {
    background: rgba(24, 191, 239, 0.12);
    border: 1px solid #18bfef;
    border-radius: 4px;
    color: #fff;
    margin-bottom: 0.5rem;
    padding: 0.7rem 1rem;
}

.sidebar__auth {
    align-items: flex-end;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
}

.sidebar__user {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
}

.sidebar__auth-link {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    font-size: 0.8rem;
    font-family: inherit;
    padding: 0;
    transition: color 0.15s ease;
}

.sidebar__auth-link:hover {
    color: #18bfef;
}

.auth-form {
    max-width: 28rem;
}


@media screen and (max-width: 760px) {
    .features,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .intro-panel--with-art {
        grid-template-columns: 1fr;
    }

    .intro-panel__art {
        max-width: 18rem;
        order: -1;
    }
}