/* ===== Études de cas (pages projets) — chargé après Bootstrap ===== */
.cs-hero {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.cs-kicker {
    color: #ffb266;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin: 30px 0 0;
}

.cs-lead {
    font-size: 20px;
    line-height: 1.6;
    color: #e2e2e2;
    margin: 16px auto 40px;
}

.cs-video {
    max-width: 1000px;
    margin: 0 auto 40px;
    padding: 0 20px;
}

.cs-video iframe {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.cs-facts {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    max-width: 1000px;
    margin: 0 auto 80px;
    padding: 0 20px;
}

.cs-facts div {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(196, 98, 0, 0.25);
    border-radius: 12px;
    padding: 14px 16px;
}

.cs-facts dt {
    font-size: 12px;
    font-weight: 600;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}

.cs-facts dd {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: #fff8f8;
}

.cs-block {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 20px;
    max-width: 860px;
    margin: 0 auto 64px;
    padding: 0 20px;
}

.cs-num {
    font-size: 48px;
    font-weight: 800;
    color: #C46200;
    line-height: 1;
}

.cs-block h2 {
    font-size: 28px;
    font-weight: 800;
    color: #fff8f8;
    margin-bottom: 14px;
}

.cs-block p,
.cs-list li {
    font-size: 17px;
    line-height: 1.75;
    color: #C4C4C4;
}

.cs-block strong {
    color: #ffb266;
}

.cs-list {
    padding-left: 18px;
    margin: 0;
}

.cs-list li {
    margin-bottom: 6px;
}

.cs-list li::marker {
    color: #C46200;
}

.cs-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.cs-steps div {
    border-top: 3px solid #C46200;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 0 0 12px 12px;
    padding: 18px;
}

.cs-steps h3 {
    font-size: 17px;
    font-weight: 700;
    color: #fff8f8;
}

.cs-steps p {
    color: #C4C4C4;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.cs-cta {
    max-width: 900px;
    margin: 40px auto 60px;
    padding: 56px 32px;
    text-align: center;
    border-radius: 24px;
    background: radial-gradient(circle at 50% 0%, rgba(196, 98, 0, 0.35), rgba(196, 98, 0, 0.05) 70%);
    border: 1px solid rgba(196, 98, 0, 0.3);
}

.cs-cta h2 {
    font-size: 30px;
    font-weight: 800;
    color: #fff8f8;
}

.cs-cta p {
    color: #C4C4C4;
    font-size: 17px;
    margin: 12px 0 28px;
}

.cs-cta-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.cs-btn {
    display: inline-flex;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 700;
    transition: background-color 0.2s ease, color 0.2s ease;
}

a.cs-btn-primary:link,
a.cs-btn-primary:visited {
    background: #C46200;
    color: #fff !important;
}

a.cs-btn-primary:hover {
    background: #ffb266;
    color: #1b1b1b !important;
}

a.cs-btn-ghost:link,
a.cs-btn-ghost:visited {
    border: 2px solid #C4C4C4;
    color: #C4C4C4 !important;
}

a.cs-btn-ghost:hover {
    background: #C4C4C4;
    color: #1b1b1b !important;
}

.cs-academique {
    max-width: 860px;
    margin: 0 auto 80px;
    padding: 0 20px;
}

.cs-academique summary {
    cursor: pointer;
    font-weight: 700;
    color: #C4C4C4;
    padding: 16px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cs-academique p {
    color: #C4C4C4;
    font-size: 15px;
    line-height: 1.7;
}

.cs-academique strong {
    color: #C46200;
}

.cs-academique .cs-skills {
    margin: 16px 0 0;
}

@media (max-width: 1024px) {
    .cs-facts {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .cs-lead {
        font-size: 16px;
    }

    .cs-block {
        grid-template-columns: 1fr;
        gap: 6px;
        margin-bottom: 48px;
    }

    .cs-num {
        font-size: 34px;
    }

    .cs-block h2 {
        font-size: 23px;
    }

    .cs-block p,
    .cs-list li {
        font-size: 15px;
    }

    .cs-steps {
        grid-template-columns: 1fr;
    }

    .cs-cta {
        margin: 20px 16px 50px;
        padding: 40px 20px;
    }

    .cs-cta h2 {
        font-size: 23px;
    }
}

/* ----- Médias des projets (vidéo locale, galerie, captures) ----- */
.cs-media {
    max-width: 1000px;
    margin: 0 auto 40px;
    padding: 0 20px;
}

.cs-media #iframe {
    display: block;
    margin: 0;
}

.cs-media #iframe iframe,
.cs-media #video-miniature {
    display: block;
    width: 100%;
    height: auto;
    max-height: 75vh;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: #000;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.cs-media-hint {
    text-align: center;
    font-size: 13px;
    color: #888;
    margin: 10px 0 0;
}

.cs-image {
    display: block;
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.cs-gallery-title {
    max-width: 860px;
    margin: 0 auto 20px;
    padding: 0 20px;
    font-size: 24px;
    font-weight: 800;
    color: #fff8f8;
}