.csl {
    --csl-ink: #020207;
    --csl-muted: #5a5a68;
    --csl-line: #e6e6ea;
    --csl-soft: #f5f5f7;
    --csl-ease: cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    background: #fff;
    padding: 104px 0 120px;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--csl-ink);
}

/* Head */
.csl-head {
    display: grid;
    grid-template-columns: 1fr minmax(0, 420px);
    align-items: end;
    gap: 40px;
    margin-bottom: 56px;
}

.csl-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--csl-muted);
}

.csl-eyebrow i {
    display: block;
    width: 28px;
    height: 1px;
    background: currentColor;
    opacity: 0.5;
}

.csl-head h2 {
    margin: 0;
    font-size: clamp(36px, 4.6vw, 68px);
    font-weight: 500;
    line-height: 1.02;
    letter-spacing: -0.035em;
    color: var(--csl-ink);
    max-width: 11ch;
}

.csl-head p {
    margin: 0;
    padding-left: 24px;
    border-left: 1px solid var(--csl-line);
    font-size: 17px;
    line-height: 1.65;
    color: var(--csl-muted);
}

/* Grid */
.csl-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
}

.csl-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: #fff;
    border: 1px solid var(--csl-line);
    border-radius: 24px;
    overflow: hidden;
    transition: transform 0.5s var(--csl-ease), box-shadow 0.5s var(--csl-ease), border-color 0.3s ease;
}

.csl-card:hover {
    transform: translateY(-6px);
    border-color: transparent;
    box-shadow: 0 30px 60px -28px rgba(2, 2, 7, 0.28), 0 0 0 1px rgba(2, 2, 7, 0.06);
}

/* Media */
.csl-media {
    position: relative;
    display: block;
    aspect-ratio: 2 / 1;
    overflow: hidden;
    background: var(--csl-ink);
    isolation: isolate;
}

.csl-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    object-fit: cover;
    transition: transform 1s var(--csl-ease);
}

.csl-media::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(2, 2, 7, 0) 45%, rgba(2, 2, 7, 0.45) 100%);
    pointer-events: none;
}

.csl-card:hover .csl-media img,
.csl-card:hover .csl-cover::before {
    transform: scale(1.05);
}

/* Cover art for studies without an image */
.csl-cover {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 10px;
    padding: 36px;
    background:
        radial-gradient(120% 90% at 85% 10%, rgba(255, 255, 255, 0.12) 0, rgba(255, 255, 255, 0) 55%),
        linear-gradient(160deg, #15151d 0%, #020207 70%);
    color: #fff;
    overflow: hidden;
}

.csl-cover::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(ellipse at 80% 20%, #000 0, transparent 70%);
    mask-image: radial-gradient(ellipse at 80% 20%, #000 0, transparent 70%);
    transition: transform 1s var(--csl-ease);
}

.csl-cover::after {
    content: "";
    position: absolute;
    right: -18%;
    top: -30%;
    width: 75%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: repeating-radial-gradient(circle, transparent 0, transparent 43px, rgba(255, 255, 255, 0.1) 44px, transparent 45px);
    -webkit-mask-image: radial-gradient(circle, #000 25%, transparent 70%);
    mask-image: radial-gradient(circle, #000 25%, transparent 70%);
}

.csl-media img + .csl-cover {
    z-index: 1;
    background:
        radial-gradient(120% 90% at 85% 10%, rgba(255, 255, 255, 0.08) 0, rgba(255, 255, 255, 0) 55%),
        linear-gradient(90deg, #020207 0%, rgba(2, 2, 7, 0.85) 30%, rgba(2, 2, 7, 0.25) 62%, rgba(2, 2, 7, 0) 100%),
        linear-gradient(0deg, rgba(2, 2, 7, 0.75) 0%, rgba(2, 2, 7, 0) 55%);
}

.csl-media:has(img) {
    background: linear-gradient(160deg, #15151d 0%, #020207 70%);
}

.csl-media:has(img)::after {
    display: none;
}

.csl-media > img {
    object-fit: contain;
    object-position: right center;
    transform-origin: right center;
    opacity: 0.85;
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.35) 25%, #000 55%);
    mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.35) 25%, #000 55%);
}

.csl-cover-name {
    position: relative;
    z-index: 2;
    font-size: clamp(30px, 3.4vw, 52px);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.035em;
}

.csl-cover-focus {
    position: relative;
    z-index: 2;
    max-width: 34ch;
    font-size: 14px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.62);
}

/* Body */
.csl-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
    padding: 32px 36px 36px;
}

.csl-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.csl-tags:empty {
    display: none;
}

.csl-tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--csl-soft);
    border: 1px solid var(--csl-line);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--csl-ink);
}

.csl-tag--dark {
    background: var(--csl-ink);
    border-color: var(--csl-ink);
    color: #fff;
}

.csl-tag--dark::before {
    content: "";
    width: 6px;
    height: 6px;
    margin-right: 8px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.csl-card h3 {
    margin: 0;
    font-size: clamp(22px, 2vw, 28px);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--csl-ink);
}

.csl-card h3 a {
    color: inherit;
    text-decoration: none;
    background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
    transition: background-size 0.5s var(--csl-ease);
}

.csl-card:hover h3 a {
    background-size: 100% 1px;
}

.csl-card p {
    margin: 0;
    font-size: 16px;
    line-height: 1.65;
    color: var(--csl-muted);
}

.csl-foot {
    display: flex;
    align-items: center;
    margin-top: auto;
    padding-top: 22px;
    border-top: 1px solid var(--csl-line);
}

.csl-link {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-size: 15px;
    font-weight: 600;
    color: var(--csl-ink);
    text-decoration: none;
    align-self: flex-start;
}

.csl-link span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--csl-line);
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.5s var(--csl-ease);
}

.csl-card:hover .csl-link span,
.csl-link:focus-visible span {
    background: var(--csl-ink);
    border-color: var(--csl-ink);
    color: #fff;
    transform: translateX(4px);
}

.csl-link:hover,
.csl-link:focus {
    color: var(--csl-ink);
}

.csl-empty {
    color: var(--csl-muted);
}

/* Reveal */
.csl-js .csl-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.9s var(--csl-ease) var(--d, 0s), transform 0.9s var(--csl-ease) var(--d, 0s);
}

.csl-js .csl-reveal.is-in {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .csl-card,
    .csl-media img,
    .csl-cover::before,
    .csl-link span {
        transition: none;
    }
}

@media (max-width: 991px) {
    .csl {
        padding: 80px 0 96px;
    }

    .csl-head {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 40px;
    }

    .csl-grid {
        gap: 24px;
    }

    .csl-body {
        padding: 26px 24px 28px;
    }

    .csl-cover {
        padding: 26px;
    }

    .csl-head h2 {
        max-width: none;
    }
}

@media (max-width: 767px) {
    .csl {
        padding: 56px 0 72px !important;
    }

    .csl-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .csl-head p {
        padding-left: 16px;
        font-size: 16px;
    }

    .csl-card {
        border-radius: 20px;
    }

    .csl-card:hover {
        transform: none;
    }

    .csl-body {
        padding: 24px 22px 28px;
        gap: 14px;
    }

    .csl-cover {
        padding: 24px;
    }

    .csl-card p {
        font-size: 15px;
    }
}