/* =====================================================
   MANTENIMIENTO — usa variables del proyecto
   --azul-marino, --cian, --gris-claro, etc.
   ===================================================== */

/* ---- BANNER ---- */
.mant-banner {
    position: relative;
    width: 100%;
    min-height: 460px;
    display: flex;
    align-items: center;
    background: var(--grad-dark);
    overflow: hidden;
}
.mant-banner__bg {
    position: absolute;
    inset: 0;
    background: url('../img/mantenimiento/banner-mantenimiento.webp') center/cover no-repeat;
    opacity: .55;
    z-index: 0;
}
.mant-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--grad-cian);
    z-index: 2;
}
.mant-banner__inner {
    position: relative;
    z-index: 3;
    max-width: 860px;
    margin: 0 auto;
    padding: 80px 2rem 100px;
    text-align: center;
}
.mant-banner__badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(0,188,212,.15);
    border: 1px solid rgba(0,188,212,.4);
    color: var(--cian-claro);
    font-family: var(--font-secondary);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    padding: 5px 16px;
    border-radius: 50px;
    margin-bottom: 1.3rem;
}
.mant-banner__title {
    font-family: var(--font-secondary);
    font-size: clamp(1.9rem, 4.5vw, 3.2rem);
    font-weight: 900;
    color: var(--blanco);
    line-height: 1.1;
    margin-bottom: 1rem;
}
.mant-banner__title span { color: var(--cian); }
.mant-banner__sub {
    font-size: 1rem;
    font-weight: 300;
    color: rgba(255,255,255,.68);
    max-width: 580px;
    margin: 0 auto 2.2rem;
    line-height: 1.75;
}
/* ---- SECCIONES ---- */
.mant-section {
    padding: 70px 0;
    background: var(--blanco);
}
.mant-section--gray { background: var(--gris-claro); }

.mant-eyebrow {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .14em;
    color: var(--cian-oscuro);
    text-transform: uppercase;
    margin-bottom: .35rem;
    text-align: center;
}
.mant-desc {
    color: var(--gris-medio);
    font-size: .92rem;
    line-height: 1.78;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.mant-cta .section-title,
.mant-section .section-title {
    text-align: center;
}

.mant-cta .section-title::after,
.mant-section .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

/* ---- CARDS ¿POR QUÉ? ---- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
    margin-top: 2.5rem;
}
.why-card {
    background: var(--blanco);
    border: 1.5px solid #DDE5EE;
    border-radius: 12px;
    padding: 1.75rem 1.5rem;
    position: relative;
    overflow: hidden;
    transition: transform .25s, border-color .25s, box-shadow .25s;
}
.why-card:hover {
    transform: translateY(-5px);
    border-color: var(--cian);
    box-shadow: var(--shadow-cian);
}
.why-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--grad-cian);
    opacity: 0;
    transition: opacity .25s;
}
.why-card:hover::before { opacity: 1; }
.why-icon {
    width: 50px; height: 50px;
    background: rgba(0,188,212,.1);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    color: var(--cian-oscuro);
    margin-bottom: 1rem;
}
.why-card h4 {
    font-family: var(--font-secondary);
    font-size: .95rem;
    font-weight: 700;
    color: var(--azul-marino);
    margin-bottom: .4rem;
}
.why-card p {
    font-size: .83rem;
    color: var(--gris-medio);
    line-height: 1.65;
    margin: 0;
}

/* ---- TABS EQUIPOS ---- */
.equip-tabs {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}
.equip-tab {
    background: var(--blanco);
    border: 1.5px solid #DDE5EE;
    border-radius: 50px;
    padding: 8px 20px;
    font-family: var(--font-primary);
    font-size: .8rem;
    font-weight: 600;
    color: var(--gris-oscuro);
    cursor: pointer;
    transition: all .2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.equip-tab.active,
.equip-tab:hover {
    background: var(--azul-marino);
    border-color: var(--azul-marino);
    color: var(--blanco);
}
.equip-tab.active i { color: var(--cian); }

.equip-panel { display: none; }
.equip-panel.active {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
    align-items: flex-start;
    animation: fadeUp .3s ease;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.equip-img-wrap {
    flex: 0 0 320px;
    border-radius: 12px;
    overflow: hidden;
    border: 1.5px solid #DDE5EE;
}
.equip-img-wrap img {
    width: 100%; height: 280px;
    object-fit: cover; display: block;
    transition: transform .4s;
}
.equip-img-wrap:hover img { transform: scale(1.04); }

.equip-steps { flex: 1; min-width: 260px; }
.equip-steps h3 {
    font-family: var(--font-secondary);
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--azul-marino);
    margin-bottom: 1.5rem;
}
.equip-step {
    display: flex; gap: 1rem;
    margin-bottom: 1.3rem;
    align-items: flex-start;
}
.step-num {
    flex-shrink: 0;
    width: 32px; height: 32px;
    border-radius: 50%;
    background: rgba(0,188,212,.1);
    border: 1.5px solid var(--cian);
    color: var(--cian-oscuro);
    font-family: var(--font-secondary);
    font-size: .75rem;
    font-weight: 800;
    display: flex; align-items: center; justify-content: center;
}
.step-body h5 {
    font-size: .88rem; font-weight: 700;
    color: var(--azul-marino); margin-bottom: .2rem;
}
.step-body p {
    font-size: .8rem; color: var(--gris-medio);
    line-height: 1.6; margin: 0;
}

/* ---- FRECUENCIA ---- */
.freq-banner {
    background: var(--azul-marino);
    border-radius: 12px;
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 3rem;
}
.freq-item {
    text-align: center;
    padding: 1.2rem 1rem;
    border-radius: 10px;
    border: 1px solid rgba(0,188,212,.2);
    background: rgba(0,188,212,.06);
    transition: background .2s;
}
.freq-item:hover { background: rgba(0,188,212,.14); }
.freq-item i {
    font-size: 1.5rem; color: var(--cian);
    margin-bottom: .6rem; display: block;
}
.freq-item h5 {
    font-family: var(--font-secondary);
    font-size: .75rem; font-weight: 800;
    color: var(--cian-claro);
    text-transform: uppercase; letter-spacing: .09em;
    margin-bottom: .35rem;
}
.freq-item p {
    font-size: .75rem; color: rgba(255,255,255,.5);
    line-height: 1.55; margin: 0;
}

/* ---- SERVICIOS (REPARACIÓN Y MANTENIMIENTO) ---- */
.mant-cta {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}
.mant-cta .container {
    position: relative;
    z-index: 2;
}
.serv-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 920px;
    margin: 0 auto;
}
.serv-card {
    display: flex;
    flex-direction: column;
    background: var(--blanco);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0,0,0,.25);
    transition: transform .35s cubic-bezier(.4,0,.2,1), box-shadow .35s ease;
}
.serv-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0,0,0,.35);
}
.serv-card__img {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}
.serv-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .5s ease;
}
.serv-card:hover .serv-card__img img {
    transform: scale(1.08);
}
.serv-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(13,31,45,.85));
}
.serv-card__tag {
    position: absolute;
    bottom: 12px;
    left: 16px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--cian);
    color: var(--azul-marino);
    font-family: var(--font-secondary);
    font-size: .7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: 4px 12px;
    border-radius: 6px;
}
.serv-card__tag i {
    font-size: .75rem;
}
.serv-card__body {
    padding: 1.25rem 1.5rem 1.5rem;
    text-align: left;
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}
.serv-card__icon {
    width: 40px;
    height: 40px;
    background: rgba(0,188,212,.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    color: var(--cian-oscuro);
    margin-bottom: .75rem;
}
.serv-card__body h3 {
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 800;
    color: var(--azul-marino);
    margin-bottom: .6rem;
    line-height: 1.3;
}
.serv-card__list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
    flex: 1;
}
.serv-card__list li {
    position: relative;
    padding-left: 1.2rem;
    font-size: .8rem;
    color: var(--gris-medio);
    line-height: 1.65;
    margin-bottom: .25rem;
}
.serv-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--cian);
}
.serv-card__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #25D366;
    color: #fff;
    font-family: var(--font-secondary);
    font-size: .8rem;
    font-weight: 700;
    padding: 10px 22px;
    border-radius: 50px;
    transition: background .25s, transform .2s;
    align-self: flex-start;
}
.serv-card__btn:hover {
    background: #1ebe5d;
    color: #fff;
    transform: scale(1.02);
}
.serv-card__btn i {
    font-size: 1rem;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
    .equip-panel.active { flex-direction: column; }
    .equip-img-wrap { flex: none; width: 100%; }
    .freq-banner { grid-template-columns: repeat(2,1fr); }
    .serv-grid { grid-template-columns: 1fr; max-width: 450px; }
}
@media (max-width: 576px) {
    .why-grid { grid-template-columns: 1fr; }
    .freq-banner { grid-template-columns: 1fr; }
    .serv-card__img { height: 170px; }
    .serv-card__body { padding: 1.25rem; }
}