/* doc-project | assets/css/cases.css | Habille les études de cas sous forme de cartes éditoriales avec repères visuels, numérotation, profondeur, note de preuve et responsive. | Expose: aucun | Dépend de: index.php, assets/css/base.css, assets/css/animations.css | Impacte: lisibilité des exemples, hiérarchie visuelle, crédibilité, micro-interactions et responsive | Tables: aucune */
.cases {
    position: relative;
    overflow: hidden;
}

.cases::before {
    content: "";
    position: absolute;
    inset: 8% auto auto 58%;
    width: 28rem;
    height: 28rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(111, 231, 255, 0.08), transparent 68%);
    pointer-events: none;
}

.cases .container {
    position: relative;
    z-index: 1;
}

.cases .section-heading {
    max-width: 880px;
    margin-bottom: 2rem;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    counter-reset: case-study;
}

.case-card {
    position: relative;
    display: grid;
    align-content: start;
    min-height: 100%;
    padding: 1.5rem;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: var(--radius-md);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.022));
    box-shadow: 0 20px 55px rgba(2, 8, 20, 0.26);
    counter-increment: case-study;
    transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.case-card::before {
    content: "0" counter(case-study);
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    color: rgba(111, 231, 255, 0.36);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.case-card::after {
    content: "";
    position: absolute;
    inset: auto -4rem -5rem auto;
    width: 10rem;
    height: 10rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(140, 124, 255, 0.14), transparent 70%);
    pointer-events: none;
}

.case-card:hover,
.case-card:focus-within {
    transform: translateY(-4px);
    border-color: rgba(111, 231, 255, 0.3);
    box-shadow: 0 28px 70px rgba(2, 8, 20, 0.44);
}

.case-card__type {
    width: fit-content;
    max-width: calc(100% - 3rem);
    margin: 0 0 1.2rem;
    padding: 0.38rem 0.7rem;
    border: 1px solid rgba(111, 231, 255, 0.18);
    border-radius: 999px;
    background: rgba(111, 231, 255, 0.07);
    color: var(--primary);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    line-height: 1.3;
    text-transform: uppercase;
}

.case-card h3 {
    margin: 0 0 0.75rem;
    color: var(--text);
    font-size: clamp(1.25rem, 2vw, 1.55rem);
    line-height: 1.18;
}

.case-card > p:last-child {
    position: relative;
    z-index: 1;
    margin: 0;
    color: var(--muted);
}

.evidence-note {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 1rem 0 0;
    padding: 0.95rem 1rem;
    border: 1px dashed rgba(255, 255, 255, 0.13);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.025);
    color: var(--muted);
    font-size: 0.9rem;
}

.evidence-note::before {
    content: "i";
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    width: 1.45rem;
    height: 1.45rem;
    margin-top: 0.05rem;
    border: 1px solid rgba(111, 231, 255, 0.25);
    border-radius: 50%;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 900;
}

@media (max-width: 980px) {
    .cases-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .case-card:last-child {
        grid-column: 1 / -1;
    }
}

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

    .case-card:last-child {
        grid-column: auto;
    }

    .case-card {
        padding: 1.25rem;
    }
}