/* CABLE CONSTRUCTION */
.spf-construction-grid {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 58px;
    align-items: center;
}

.spf-construction-photo {
    padding: 20px;
    background: #ffffff;
    border: 1px solid var(--spf-border);
    border-radius: 18px;
    box-shadow: 0 20px 48px rgba(7, 55, 109, .1);
}

.spf-construction-photo img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    background: #ffffff;
    border-radius: 12px;
}

.spf-photo-caption {
    padding: 17px 5px 2px;
    text-align: center;
}

.spf-photo-caption strong {
    display: block;
    margin-bottom: 3px;
    color: var(--spf-blue-dark);
    font-size: 18px;
}

.spf-photo-caption span {
    color: var(--spf-muted);
    font-size: 13px;
}

.spf-structure-list {
    display: grid;
    gap: 13px;
}

.spf-structure-item {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 15px;
    align-items: start;
    padding: 18px;
    background: #ffffff;
    border: 1px solid var(--spf-border);
    border-radius: 11px;
}

.spf-structure-number {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    color: #ffffff;
    font-weight: 800;
    background: linear-gradient(
        135deg,
        #1580e3,
        #0754a6
    );
    border-radius: 10px;
}

.spf-structure-item h3 {
    margin: 0 0 4px;
    color: var(--spf-blue-dark);
    font-size: 17px;
}

.spf-structure-item p {
    margin: 0;
    color: var(--spf-muted);
    font-size: 14px;
}

/* SHIELDING SECTION */
.spf-shield-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.spf-shield-card {
    padding: 28px 24px;
    background: #ffffff;
    border: 1px solid var(--spf-border);
    border-radius: 13px;
    box-shadow: 0 12px 32px rgba(7, 55, 109, .06);
}

.spf-shield-tag {
    display: inline-block;
    padding: 4px 11px;
    margin-bottom: 13px;
    color: #ffffff;
    font-size: 12px;
    font-weight: 800;
    background: var(--spf-blue);
    border-radius: 5px;
}

.spf-shield-card h3 {
    margin: 0 0 9px;
    color: var(--spf-navy);
    font-size: 19px;
}

.spf-shield-card p {
    margin: 0;
    color: var(--spf-muted);
    font-size: 14px;
}

/* TECHNICAL OVERVIEW */
.spf-overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 17px;
}

.spf-overview-card {
    padding: 24px;
    background: #ffffff;
    border: 1px solid var(--spf-border);
    border-radius: 12px;
    box-shadow: 0 11px 30px rgba(7, 55, 109, .055);
}

.spf-overview-card strong {
    display: block;
    margin-bottom: 6px;
    color: var(--spf-blue-dark);
    font-size: 16px;
}

.spf-overview-card span {
    color: var(--spf-muted);
    font-size: 14px;
}

/* SPECIFICATION TABLE */
.spf-table-wrap {
    overflow-x: auto;
    background: #ffffff;
    border: 1px solid var(--spf-border);
    border-radius: 12px;
    box-shadow: 0 15px 38px rgba(7, 55, 109, .07);
}

.spf-table {
    width: 100%;
    min-width: 900px;
    border-collapse: collapse;
}

.spf-table th,
.spf-table td {
    padding: 14px 13px;
    text-align: center;
    border-right: 1px solid #dce6ef;
    border-bottom: 1px solid #dce6ef;
}

.spf-table th {
    color: #ffffff;
    font-size: 14px;
    font-weight: 800;
    background: var(--spf-blue-dark);
}

.spf-table td {
    color: #39495d;
    font-size: 13px;
}

.spf-table tr:nth-child(even) td {
    background: #f6faff;
}

.spf-table tr:last-child td {
    border-bottom: 0;
}

.spf-parameter-note {
    padding: 15px 18px;
    margin-top: 17px;
    color: #596a80;
    font-size: 13px;
    background: #edf6ff;
    border-left: 4px solid var(--spf-blue);
    border-radius: 4px;
}

/* DETAIL PHOTO GRID */
.spf-detail-photo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.spf-detail-photo {
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--spf-border);
    border-radius: 16px;
    box-shadow: 0 15px 38px rgba(7, 55, 109, .08);
}

.spf-detail-photo img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    background: #ffffff;
}

.spf-detail-photo-content {
    padding: 21px 22px;
    border-top: 1px solid var(--spf-border);
}

.spf-detail-photo-content h3 {
    margin: 0 0 7px;
    color: var(--spf-blue-dark);
    font-size: 19px;
}

.spf-detail-photo-content p {
    margin: 0;
    color: var(--spf-muted);
    font-size: 14px;
}

/* APPLICATIONS */
.spf-app-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 17px;
}

.spf-app-card {
    position: relative;
    min-height: 215px;
    overflow: hidden;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #ffffff;
    background: linear-gradient(
        145deg,
        #1078d2,
        #073d78
    );
    border-radius: 13px;
}

.spf-app-card::before {
    position: absolute;
    top: -38px;
    right: -32px;
    width: 150px;
    height: 150px;
    content: "";
    border: 25px solid rgba(255,255,255,.09);
    border-radius: 50%;
}

.spf-app-card h3,
.spf-app-card p {
    position: relative;
    z-index: 2;
}

.spf-app-card h3 {
    margin: 0 0 8px;
    font-size: 19px;
}

.spf-app-card p {
    margin: 0;
    color: rgba(255,255,255,.78);
    font-size: 14px;
}

/* RESPONSIVE */
@media (max-width: 1050px) {
    .spf-construction-grid {
        grid-template-columns: 1fr;
    }

    .spf-construction-photo {
        width: 100%;
        max-width: 700px;
        margin: 0 auto;
    }

    .spf-shield-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .spf-app-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 760px) {
    .spf-overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .spf-detail-photo-grid,
    .spf-shield-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .spf-overview-grid,
    .spf-app-grid {
        grid-template-columns: 1fr;
    }
}