/* =========================================
   FEATURE
========================================= */

.signage-feature {
    background: #fff;
}

/* REASON */
.signage-feature__reason {
    padding: 80px 0;
    text-align: center;
}

.signage-feature__title {
    margin-bottom: 20px;
}

.signage-feature__title span {
    font-size: .95rem;
    font-weight: 800;
    letter-spacing: .14em;
    color: var(--color-primary);
}

.signage-feature__text {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--color-text-light);
    max-width: 980px;
    margin: 0 auto;
}

/* OVERVIEW */
.signage-feature__overview {
    padding: 120px 0;
    background: linear-gradient(180deg, #f7faff 0%, #eef5ff 100%);
}

.signage-feature__heading {
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
    font-weight: 900;
    line-height: 1.5;
    margin-bottom: 50px;
    letter-spacing: -.02em;
    text-align: center;
}

.signage-feature__image {
    display: block;
    width: 100%;
    margin-bottom: 50px;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.signage-feature__image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* GRID */
.signage-feature__grid {
    display: grid;
    gap: 28px;
}

.signage-feature__grid--3col {
    grid-template-columns: repeat(3, 1fr);
}

.signage-feature__grid--4col {
    grid-template-columns: repeat(4, 1fr);
}

/* CARD */
.signage-feature__card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 26px;
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.signage-feature__card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.signage-feature__icon {
    width: 56px;
    height: 56px;
    margin-bottom: 18px;
}

.signage-feature__card h3,
.signage-feature__card h4 {
    margin: 0 0 12px;
    font-weight: 800;
    line-height: 1.4;
    color: var(--color-text);
}

.signage-feature__card p {
    font-size: .95rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* FUNCTIONS */
.signage-feature__functions {
    padding: 120px 0;
}

.signage-feature__subheading {
    margin: 60px 0 24px;
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--color-primary);
    position: relative;
    padding-left: 14px;
}

.signage-feature__subheading::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 999px;
}

.signage-feature__note {
    margin-top: 28px;
    font-size: .9rem;
    color: var(--color-text-light);
}

/* SPEC */
.signage-feature__spec {
    padding: 120px 0;
    background: var(--color-bg);
}

.signage-feature__table {
    width: 100%;
    max-width: 980px;
    border-collapse: collapse;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin: 0 auto;
}

.signage-feature__table th {
    width: 220px;
    text-align: left;
    padding: 18px 20px;
    background: #e8f1ff;
    font-weight: 800;
    vertical-align: top;
    border-bottom: 1px solid var(--color-border);
}

.signage-feature__table td {
    padding: 18px 20px;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--color-border);
    line-height: 1.7;
}

.signage-feature__table tr:last-child th,
.signage-feature__table tr:last-child td {
    border-bottom: none;
}

/* =========================================
   CASE STUDY
========================================= */

.case-study {
    background: linear-gradient(180deg, #f7f9fc 0%, #f2f6ff 100%);
    padding-bottom: 140px;
}

.case-more {
    display: flex;
    justify-content: center;
    margin-top: 70px;
}

/* =========================================
   RESPONSIVE
========================================= */

/* TABLET */
@media screen and (max-width: 1200px) {

    .signage-feature__reason {
        padding: 100px 0 60px;
    }

    .signage-feature__overview,
    .signage-feature__functions,
    .signage-feature__spec {
        padding: 100px 0;
    }

    .signage-feature__grid--4col {
        grid-template-columns: repeat(2, 1fr);
    }

    .signage-feature__grid--3col {
        grid-template-columns: repeat(2, 1fr);
    }

    .signage-feature__text {
        max-width: 100%;
    }

    .signage-feature__table th {
        width: 180px;
    }
}

/* MOBILE */
@media screen and (max-width: 768px) {

    .signage-feature__reason {
        padding: 80px 0 50px;
    }

    .signage-feature__overview,
    .signage-feature__functions,
    .signage-feature__spec {
        padding: 80px 0;
    }

    .signage-feature__heading {
        margin-bottom: 36px;
    }

    .signage-feature__image {
        margin-bottom: 40px;
        border-radius: 20px;
    }

    .signage-feature__grid--3col,
    .signage-feature__grid--4col {
        grid-template-columns: 1fr;
    }

    .signage-feature__card {
        padding: 22px;
    }

    .signage-feature__subheading {
        font-size: 1.2rem;
        margin: 40px 0 18px;
    }

    .signage-feature__table th {
        width: 120px;
        padding: 14px;
        font-size: .9rem;
    }

    .signage-feature__table td {
        padding: 14px;
        font-size: .9rem;
    }

    .case-study {
        padding-bottom: 90px;
    }

    .case-more {
        margin-top: 50px;
    }
}