/* ==========================================================
   Ingeniería Sub-pages — Shared Styles
   (ingenieria_basica, ingenieria_vial, ingenieria_industrial)
   ========================================================== */

/* Hero */
.ing-hero {
    position: relative;
    padding: 120px 0 80px;
    background: #111;
    color: #fff;
    overflow: hidden;
}
.ing-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,.85) 0%, rgba(0,0,0,.6) 100%);
    z-index: 1;
}
.ing-hero .container {
    position: relative;
    z-index: 2;
}
.ing-hero .subtitle {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255,255,255,.6);
    margin-bottom: 16px;
}
.ing-hero h1 {
    font-size: 2.6rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    color: #fff !important;
    -webkit-text-fill-color: #fff;
}
.ing-hero .description {
    font-size: 1.05rem;
    color: rgba(255,255,255,.75);
    max-width: 700px;
    line-height: 1.8;
    margin-bottom: 24px;
}
.ing-hero .badge-bim {
    display: inline-block;
    padding: 6px 18px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 1px solid rgba(255,255,255,.3);
    border-radius: 20px;
    color: rgba(255,255,255,.7);
}

/* Sub-área header */
.ing-subarea {
    padding: 70px 0 20px;
}
.ing-subarea-header {
    margin-bottom: 40px;
}
.ing-subarea-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #111;
    margin-bottom: 12px;
    position: relative;
    padding-bottom: 12px;
}
.ing-subarea-header h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background: #111;
}
.ing-subarea-header p {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 700px;
}

/* Service block (each B.1, B.2, etc.) */
.ing-service-block {
    padding: 40px 0;
    border-bottom: 1px solid #eee;
}
.ing-service-block:last-child {
    border-bottom: none;
}
.ing-service-block h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #111;
    margin-bottom: 24px;
}
.ing-service-block h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    margin-top: 24px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Service lists */
.ing-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.ing-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #444;
    line-height: 1.6;
}
.ing-list li::before {
    content: '\f105';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: #111;
    font-size: 0.85rem;
}

/* Software / equipment tags */
.ing-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.ing-tag {
    display: inline-block;
    padding: 4px 14px;
    font-size: 0.78rem;
    font-weight: 500;
    background: #f0f0f0;
    color: #333;
    border-radius: 16px;
    white-space: nowrap;
}

/* Two column layout for services */
.ing-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
@media (max-width: 768px) {
    .ing-two-col {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .ing-hero h1 {
        font-size: 1.8rem;
    }
}

/* CTA Section */
.ing-cta {
    padding: 80px 0;
    background: #111;
    text-align: center;
    color: #fff;
}
.ing-cta h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.ing-cta p {
    color: rgba(255,255,255,.65);
    margin-bottom: 32px;
    font-size: 1rem;
}
.ing-cta .btn-cta-solid {
    display: inline-block;
    padding: 12px 32px;
    background: #fff;
    color: #111;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: .3s;
    margin: 0 8px;
}
.ing-cta .btn-cta-solid:hover {
    background: #ddd;
}
.ing-cta .btn-cta-ghost {
    display: inline-block;
    padding: 12px 32px;
    border: 2px solid rgba(255,255,255,.4);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: .3s;
    margin: 0 8px;
}
.ing-cta .btn-cta-ghost:hover {
    border-color: #fff;
    background: rgba(255,255,255,.1);
}