:root {
    --speaker-cyan: #12add1;
    --speaker-ink: #173b43;
    --speaker-muted: #5b747b;
    --speaker-rule: #d8ebef;
}

body {
    background: #fff;
    color: var(--speaker-ink);
}

.speaker-intro {
    padding: 0;
}

.speaker-intro h2 {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    color: var(--speaker-cyan);
    font-family: "Manrope", "Avenir Next", sans-serif;
    line-height: 0.98;
}

.speaker-title-light {
    font-size: 3rem;
    font-weight: 300;
}

.speaker-title-strong {
    font-size: 4rem;
    font-weight: 800;
}

.speaker-intro p {
    color: var(--speaker-muted);
}

.speaker-category-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin: 0.45rem 0 0.35rem;
}

.speaker-category-nav a {
    display: inline-flex;
    min-width: 112px;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1rem;
    border: 1px solid var(--speaker-cyan);
    border-radius: 4px;
    background: #fff;
    color: #087c9b;
    font-size: 0.82rem;
    font-weight: 800;
    text-decoration: none;
    transition: color 160ms ease, background-color 160ms ease;
}

.speaker-category-nav a:hover,
.speaker-category-nav a:focus-visible {
    background: var(--speaker-cyan);
    color: #fff;
}

.speaker-category-nav a:focus-visible {
    outline: 2px solid var(--speaker-ink);
    outline-offset: 2px;
}

.speaker-group {
    display: none;
    margin: 0 0 1rem;
    padding: 0;
    scroll-margin-top: 1rem;
}

#plenary-group {
    display: block;
}

.speaker-group:target {
    display: block;
}

body:has(.speaker-group:target) #plenary-group:not(:target) {
    display: none;
}

.speaker-group-title {
    margin: 0 0 1.25rem;
    padding: 0 0 0.65rem;
    border-bottom: 2px solid var(--speaker-cyan);
    color: var(--speaker-cyan);
    font-family: "Manrope", "Avenir Next", sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
}

.speaker-list {
    gap: 1.4rem;
    padding: 0;
}

.speaker-card {
    position: relative;
    grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.8fr);
    min-height: 250px;
    overflow: hidden;
    border: 0;
    border-radius: 0;
    border-bottom: 1px solid var(--speaker-rule);
    background: #fff;
    box-shadow: none;
}

.speaker-card::before {
    position: absolute;
    inset: 0 auto 0 0;
    width: 31%;
    border-radius: 0 48% 48% 0;
    background: var(--speaker-cyan);
    content: "";
}

.speaker-photo {
    position: relative;
    z-index: 1;
    width: 180px;
    height: 180px;
    max-width: calc(100% - 2rem);
    min-height: 0;
    justify-self: center;
    align-self: start;
    margin: 1.25rem 0;
    border: 4px solid #fff;
    border-radius: 50%;
    object-fit: cover;
    object-position: center 25%;
    box-shadow: 0 2px 12px rgb(23 59 67 / 14%);
}

.speaker-content {
    position: relative;
    z-index: 1;
}

.speaker-label {
    padding: 0;
    border-radius: 0;
    background: transparent;
    color: var(--speaker-cyan);
    font-family: "Manrope", "Avenir Next", sans-serif;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
}

.speaker-content h3 {
    color: var(--speaker-ink);
    font-family: Inter, "Avenir Next", sans-serif;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.15;
}

.speaker-affiliation,
.speaker-content p,
.talk-meta {
    color: var(--speaker-muted);
}

.speaker-details {
    border-color: var(--speaker-rule);
}

.speaker-details summary {
    border-color: var(--speaker-cyan);
    background: #effaff;
    color: #087c9b;
}

.speaker-details summary:hover,
.speaker-details summary:focus-visible {
    background: #dff6fb;
    outline-color: var(--speaker-cyan);
}

.lead-announcement {
    margin: 0;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--speaker-rule);
    color: var(--speaker-muted);
}

@media (max-width: 720px) {
    .speaker-category-nav {
        gap: 0.4rem;
        margin-bottom: 0.35rem;
    }

    .speaker-category-nav a {
        min-width: 96px;
        padding-inline: 0.75rem;
    }

    .speaker-title-light {
        font-size: 3rem;
    }

    .speaker-title-strong {
        font-size: 4rem;
    }

    .speaker-card {
        grid-template-columns: 1fr;
    }

    .speaker-card::before {
        inset: 0 0 auto;
        width: 100%;
        height: 145px;
        border-radius: 0 0 44% 0;
    }

    .speaker-photo {
        width: 180px;
        height: 180px;
        max-height: none;
        object-position: center 30%;
    }

    .speaker-content {
        padding-top: 0.75rem;
    }
}

@media (max-width: 380px) {
    .speaker-title-light {
        font-size: 2.6rem;
    }

    .speaker-title-strong {
        font-size: 3.4rem;
    }
}