/* -----------------------------------
   AMR USE CASE PAGE
----------------------------------- */

/* HERO */
.hero {
    height: 50vh;
    justify-content: center;
    background: linear-gradient( 135deg, #1c1f24 0%, #232a30 45%, #1b1e23 100% );
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

    /* 블루 테크 글로우 */
    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient( circle at 65% 35%, rgba(0, 190, 210, 0.25), transparent 65% );
        opacity: 0.85;
        pointer-events: none;
    }

    /* 은은한 스윕 라이트 */
    .hero::after {
        content: '';
        position: absolute;
        top: 0;
        left: -30%;
        width: 160%;
        height: 100%;
        background: linear-gradient( 120deg, transparent 40%, rgba(0, 190, 210, 0.12), transparent 60% );
        animation: heroLight 10s ease-in-out infinite;
        pointer-events: none;
    }

    /* TEXT */
    .hero .hero-title {
        color: #ffffff;
        font-size: clamp(2.2rem, 4vw, 3rem);
        font-weight: 700;
    }

    .hero .hero-desc {
        color: rgba(255,255,255,0.78);
        font-size: 1.05rem;
        line-height: 1.7;
    }



/* -----------------------------------
   CASE LIST
----------------------------------- */

.case-section {
    margin: 0 auto;
    padding: 5rem 1.5rem;
}

.case-card {
    background: #ffffff;
    border-radius: 1.2rem;
    padding: 2.5rem;
    margin-bottom: 4rem;
    box-shadow: 0 18px 40px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .case-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 26px 52px rgba(0,0,0,0.12);
    }

.case-content {
    margin-bottom: 1.8rem;
}

.case-title {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-deepDark);
}

.case-desc {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-darkGray);
    max-width: 860px;
}

/* VIDEO */
.case-video video {
    width: 100%;
    max-height: 520px;
    border-radius: 1rem;
    background: #000;
    box-shadow: 0 14px 28px rgba(0,0,0,0.18);
    display: block;
}

/* -----------------------------------
   MOBILE
----------------------------------- */
@media (max-width: 768px) {
    .amr-case-hero {
        height: 50vh;
    }

    .case-card {
        padding: 1.75rem;
        margin-bottom: 3rem;
    }

    .case-video video {
        max-height: 360px;
    }
}