/* =====================================================
   AIRES ACONDICIONADOS  ·  css/aires.css
   Prefix: .ac-
   ===================================================== */

:root {
    --ac-navy:   #02042B;
    --ac-blue:   #1B6CA8;
    --ac-light:  #D5EBF8;
    --ac-gray:   #F4F6F8;
    --ac-gray2:  #F7F9FC;
    --ac-white:  #FFFFFF;
    --ac-text:   #1a1a2e;
    --ac-muted:  #5a6a7e;
    --ac-border: #dde6ef;
    --ac-green:  #25D366;
    --ac-radius: 12px;
    --ac-shadow: 0 4px 24px rgba(2,4,43,.10);
    --ac-trans:  .3s ease;
}

/* ── Reveal ── */
.ac-reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease;}
.ac-reveal.visible{opacity:1;transform:translateY(0);}
.ac-reveal--left{opacity:0;transform:translateX(-40px);transition:opacity .6s ease,transform .6s ease;}
.ac-reveal--left.visible{opacity:1;transform:translateX(0);}
.ac-reveal--right{opacity:0;transform:translateX(40px);transition:opacity .6s ease,transform .6s ease;}
.ac-reveal--right.visible{opacity:1;transform:translateX(0);}

/* ── Breadcrumb ── */
.ac-breadcrumb{background:var(--ac-gray);padding:10px 0;}
.ac-breadcrumb__inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--ac-muted);}
.ac-breadcrumb__inner a{color:var(--ac-blue);text-decoration:none;}
.ac-breadcrumb__inner a:hover{text-decoration:underline;}

/* ── Layout base ── */
.ac-section{padding:80px 0;}
.ac-container{max-width:1200px;margin:0 auto;padding:0 24px;}
.ac-label{font-size:.78rem;font-weight:700;letter-spacing:2px;color:var(--ac-blue);text-transform:uppercase;display:block;margin-bottom:10px;}
.ac-title{font-size:2rem;font-weight:800;color:var(--ac-navy);margin:0 0 18px;}
.ac-title span{color:var(--ac-blue);}
.ac-sub{font-size:1rem;color:var(--ac-muted);line-height:1.7;margin:0;}
.ac-divider{width:56px;height:4px;background:var(--ac-blue);border-radius:2px;margin:0 0 32px;}
.ac-divider--c{margin:0 auto 32px;}

/* =====================================================
   S2 — INTRO
   ===================================================== */
.ac-intro{background:var(--ac-white);overflow:hidden;}
.ac-intro__grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.ac-intro__img-wrap{border-radius:var(--ac-radius);overflow:hidden;box-shadow:var(--ac-shadow);}
.ac-intro__img{width:100%;height:440px;object-fit:cover;display:block;}
.ac-intro__lead{font-size:1.05rem;color:var(--ac-text);line-height:1.8;margin:0 0 20px;}
.ac-intro__checks{list-style:none;padding:0;margin:0 0 28px;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;}
.ac-intro__checks li{display:flex;align-items:flex-start;gap:9px;font-size:.88rem;color:var(--ac-text);line-height:1.4;}
.ac-intro__checks li i{color:var(--ac-blue);margin-top:2px;flex-shrink:0;}
.ac-intro__kpis{display:flex;gap:20px;flex-wrap:wrap;}
.ac-intro__kpi{text-align:center;background:var(--ac-gray2);border-radius:10px;padding:16px 20px;flex:1;min-width:100px;}
.ac-intro__kpi-num{font-size:1.5rem;font-weight:800;color:var(--ac-blue);display:block;}
.ac-intro__kpi-lbl{font-size:.75rem;color:var(--ac-muted);font-weight:500;}

/* =====================================================
   S3 — SERVICIOS
   ===================================================== */
.ac-servicios{background:var(--ac-gray2);overflow:hidden;}
.ac-srv__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:40px;}
.ac-srv{background:var(--ac-white);border-radius:var(--ac-radius);padding:26px 20px;text-align:center;border-bottom:3px solid transparent;box-shadow:0 2px 10px rgba(2,4,43,.06);transition:var(--ac-trans);}
.ac-srv:hover{border-bottom-color:var(--ac-blue);transform:translateY(-4px);box-shadow:var(--ac-shadow);}
.ac-srv__icon{width:54px;height:54px;border-radius:50%;background:var(--ac-light);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;}
.ac-srv__icon i{color:var(--ac-navy);font-size:1.2rem;}
.ac-srv__name{font-size:.88rem;font-weight:700;color:var(--ac-navy);margin:0 0 6px;}
.ac-srv__desc{font-size:.80rem;color:var(--ac-muted);line-height:1.5;margin:0;}

/* =====================================================
   S4 — TIPOS DE SISTEMAS
   ===================================================== */
.ac-tipos{background:var(--ac-white);overflow:hidden;}
.ac-tipo__stack{display:flex;flex-direction:column;gap:48px;margin-top:40px;}
.ac-tipo{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.ac-tipo--rev{direction:rtl;}
.ac-tipo--rev > *{direction:ltr;}
.ac-tipo__img-wrap{border-radius:var(--ac-radius);overflow:hidden;box-shadow:var(--ac-shadow);cursor:pointer;position:relative;}
.ac-tipo__img-wrap img{width:100%;height:320px;object-fit:cover;display:block;transition:transform .4s ease;}
.ac-tipo__img-wrap:hover img{transform:scale(1.04);}
.ac-tipo__overlay{position:absolute;inset:0;background:rgba(2,4,43,.45);opacity:0;display:flex;align-items:center;justify-content:center;transition:opacity .3s;}
.ac-tipo__img-wrap:hover .ac-tipo__overlay{opacity:1;}
.ac-tipo__overlay i{color:#fff;font-size:2rem;}
.ac-tipo__badge{display:inline-block;background:var(--ac-light);color:var(--ac-navy);font-size:.72rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:4px 12px;border-radius:4px;margin-bottom:12px;}
.ac-tipo__title{font-size:1.4rem;font-weight:800;color:var(--ac-navy);margin:0 0 14px;}
.ac-tipo__desc{font-size:.92rem;color:var(--ac-muted);line-height:1.7;margin:0 0 20px;}
.ac-tipo__list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.ac-tipo__list li{display:flex;align-items:flex-start;gap:8px;font-size:.84rem;color:var(--ac-text);line-height:1.4;}
.ac-tipo__list li i{color:var(--ac-blue);flex-shrink:0;margin-top:2px;}
.ac-tipo__sep{border:none;border-top:1px solid var(--ac-border);margin:0;}

/* =====================================================
   S5 — TIMELINE
   ===================================================== */
.ac-timeline{background:var(--ac-navy);overflow:hidden;}
.ac-timeline .ac-label{color:var(--ac-light);}
.ac-timeline .ac-title{color:var(--ac-white);}
.ac-timeline .ac-sub{color:rgba(255,255,255,.70);}
.ac-tl__track{display:flex;gap:0;margin-top:48px;position:relative;overflow-x:auto;padding-bottom:8px;}
.ac-tl__track::before{content:'';position:absolute;top:32px;left:0;right:0;height:2px;background:rgba(255,255,255,.15);z-index:0;}
.ac-tl__step{flex:1;min-width:120px;text-align:center;position:relative;z-index:1;}
.ac-tl__step-num{width:64px;height:64px;border-radius:50%;background:rgba(27,108,168,.30);border:2px solid var(--ac-blue);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;transition:var(--ac-trans);}
.ac-tl__step:hover .ac-tl__step-num{background:var(--ac-blue);}
.ac-tl__step-num i{color:var(--ac-light);font-size:1.2rem;}
.ac-tl__step-name{font-size:.80rem;font-weight:700;color:var(--ac-white);margin:0 0 4px;}
.ac-tl__step-time{font-size:.72rem;color:rgba(255,255,255,.50);}

/* =====================================================
   S6 — APLICACIONES
   ===================================================== */
.ac-aplicaciones{background:var(--ac-gray2);overflow:hidden;}
.ac-app__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:40px;}
.ac-app{background:var(--ac-white);border-radius:var(--ac-radius);padding:24px 18px;text-align:center;border-top:4px solid var(--ac-blue);transition:var(--ac-trans);box-shadow:0 2px 10px rgba(2,4,43,.05);}
.ac-app:hover{transform:translateY(-5px);box-shadow:var(--ac-shadow);}
.ac-app__icon{font-size:2rem;margin-bottom:12px;}
.ac-app__name{font-size:.88rem;font-weight:700;color:var(--ac-navy);margin:0 0 8px;}
.ac-app__desc{font-size:.80rem;color:var(--ac-muted);line-height:1.5;margin:0;}

/* =====================================================
   S7 — PROBLEMAS
   ===================================================== */
.ac-problemas{background:var(--ac-white);overflow:hidden;}
.ac-prob__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px;}
.ac-prob{background:var(--ac-gray2);border-radius:var(--ac-radius);padding:28px 24px;transition:var(--ac-trans);}
.ac-prob:hover{box-shadow:var(--ac-shadow);transform:translateY(-3px);}
.ac-prob__header{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.ac-prob__emoji{font-size:1.6rem;}
.ac-prob__q{font-size:.93rem;font-weight:700;color:var(--ac-navy);margin:0;}
.ac-prob__sol-label{font-size:.72rem;font-weight:700;letter-spacing:1px;color:var(--ac-blue);text-transform:uppercase;margin:0 0 6px;display:block;}
.ac-prob__sol{font-size:.86rem;color:var(--ac-muted);line-height:1.6;margin:0;}

/* =====================================================
   S8 — GALERÍA
   ===================================================== */
.ac-galeria{background:var(--ac-gray);overflow:hidden;}
.ac-gal__grid{columns:3;column-gap:16px;margin-top:40px;}
.ac-gal__item{break-inside:avoid;margin-bottom:16px;border-radius:var(--ac-radius);overflow:hidden;cursor:pointer;position:relative;display:block;}
.ac-gal__item img{width:100%;display:block;transition:transform .4s ease;}
.ac-gal__item:hover img{transform:scale(1.05);}
.ac-gal__overlay{position:absolute;inset:0;background:rgba(2,4,43,.50);opacity:0;display:flex;align-items:center;justify-content:center;transition:opacity .3s;}
.ac-gal__item:hover .ac-gal__overlay{opacity:1;}
.ac-gal__overlay i{color:#fff;font-size:2.2rem;}
.ac-gal__caption{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(0deg,rgba(2,4,43,.85) 0%,transparent 100%);color:#fff;font-size:.80rem;font-weight:500;padding:28px 12px 10px;opacity:0;transition:opacity .3s;}
.ac-gal__item:hover .ac-gal__caption{opacity:1;}

/* Lightbox */
.ac-lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:9000;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s;}
.ac-lightbox.is-open{opacity:1;pointer-events:all;}
.ac-lightbox__img{max-width:90vw;max-height:88vh;border-radius:8px;box-shadow:0 8px 48px rgba(0,0,0,.6);object-fit:contain;}
.ac-lightbox__close{position:absolute;top:20px;right:28px;color:#fff;font-size:2.4rem;cursor:pointer;background:none;border:none;padding:4px;line-height:1;}
.ac-lightbox__close:hover{color:var(--ac-light);}
.ac-lightbox__caption{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);color:#fff;font-size:.88rem;background:rgba(0,0,0,.55);padding:6px 20px;border-radius:20px;white-space:nowrap;}

/* =====================================================
   S9 — BENEFICIOS MANTENIMIENTO
   ===================================================== */
.ac-beneficios{background:var(--ac-navy);overflow:hidden;}
.ac-beneficios .ac-label{color:var(--ac-light);}
.ac-beneficios .ac-title{color:var(--ac-white);}
.ac-beneficios .ac-sub{color:rgba(255,255,255,.70);}
.ac-ben__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px;}
.ac-ben{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:var(--ac-radius);padding:24px 20px;transition:var(--ac-trans);}
.ac-ben:hover{background:rgba(27,108,168,.25);border-color:var(--ac-blue);}
.ac-ben__icon{font-size:1.8rem;margin-bottom:12px;}
.ac-ben__title{font-size:.90rem;font-weight:700;color:var(--ac-white);margin:0 0 8px;}
.ac-ben__desc{font-size:.84rem;color:rgba(255,255,255,.60);line-height:1.5;margin:0;}

/* =====================================================
   S10 — CONFIGURADOR
   ===================================================== */
.ac-cotizador{background:var(--ac-gray2);overflow:hidden;}
.ac-cot__card{background:var(--ac-navy);border-radius:16px;padding:44px;margin-top:36px;}
.ac-cot__form{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;}
.ac-cot__group{display:flex;flex-direction:column;gap:6px;}
.ac-cot__group--full{grid-column:1/-1;}
.ac-cot__label{font-size:.82rem;font-weight:600;color:rgba(255,255,255,.80);letter-spacing:.3px;}
.ac-cot__input,
.ac-cot__select,
.ac-cot__textarea{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:10px 14px;color:#fff;font-family:Poppins,sans-serif;font-size:.88rem;transition:var(--ac-trans);width:100%;box-sizing:border-box;}
.ac-cot__input::placeholder,.ac-cot__textarea::placeholder{color:rgba(255,255,255,.35);}
.ac-cot__input:focus,.ac-cot__select:focus,.ac-cot__textarea:focus{outline:none;border-color:var(--ac-light);background:rgba(255,255,255,.12);}
.ac-cot__select option{background:var(--ac-navy);color:#fff;}
.ac-cot__textarea{resize:vertical;min-height:90px;}
.ac-cot__btn-row{grid-column:1/-1;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:6px;}

.ac-btn{display:inline-flex;align-items:center;gap:10px;padding:13px 28px;border-radius:8px;font-family:Poppins,sans-serif;font-size:.92rem;font-weight:600;cursor:pointer;text-decoration:none;border:none;transition:var(--ac-trans);}
.ac-btn--light{background:var(--ac-light);color:var(--ac-navy);}
.ac-btn--light:hover{background:#fff;transform:translateY(-2px);}
.ac-btn--wa{background:#25D366;color:#fff;}
.ac-btn--wa:hover{background:#1da851;transform:translateY(-2px);}

/* =====================================================
   S11 — NORMATIVAS
   ===================================================== */
.ac-normas{background:var(--ac-white);overflow:hidden;}
.ac-nor__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px;}
.ac-nor{background:var(--ac-gray2);border-radius:var(--ac-radius);padding:26px 22px;border-left:4px solid var(--ac-blue);}
.ac-nor__tag{display:inline-block;background:var(--ac-navy);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:1px;padding:4px 10px;border-radius:4px;margin-bottom:10px;text-transform:uppercase;}
.ac-nor__title{font-size:.92rem;font-weight:700;color:var(--ac-navy);margin:0 0 7px;}
.ac-nor__desc{font-size:.85rem;color:var(--ac-muted);line-height:1.6;margin:0;}

/* =====================================================
   S12 — FAQ
   ===================================================== */
.ac-faq{background:var(--ac-gray2);overflow:hidden;}
.ac-faq__list{max-width:840px;margin:40px auto 0;display:flex;flex-direction:column;gap:10px;}
.ac-faq__item{border:1px solid var(--ac-border);border-radius:var(--ac-radius);overflow:hidden;}
.ac-faq__q{display:flex;justify-content:space-between;align-items:center;padding:16px 22px;cursor:pointer;background:var(--ac-white);gap:16px;transition:background var(--ac-trans);}
.ac-faq__item.is-open .ac-faq__q{background:var(--ac-navy);}
.ac-faq__q-text{font-size:.92rem;font-weight:600;color:var(--ac-navy);}
.ac-faq__item.is-open .ac-faq__q-text{color:#fff;}
.ac-faq__q-icon{flex-shrink:0;color:var(--ac-blue);transition:transform var(--ac-trans);}
.ac-faq__item.is-open .ac-faq__q-icon{transform:rotate(45deg);color:var(--ac-light);}
.ac-faq__a{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.ac-faq__item.is-open .ac-faq__a{max-height:300px;}
.ac-faq__a-inner{padding:16px 22px;background:var(--ac-white);font-size:.87rem;color:var(--ac-muted);line-height:1.7;}

/* =====================================================
   S13 — ¿POR QUÉ DEFANY?
   ===================================================== */
.ac-porque{background:var(--ac-white);overflow:hidden;}
.ac-pq__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px;}
.ac-pq{background:var(--ac-gray2);border-radius:var(--ac-radius);padding:28px 24px;transition:var(--ac-trans);}
.ac-pq:hover{background:var(--ac-light);transform:translateY(-4px);}
.ac-pq__icon{width:48px;height:48px;border-radius:50%;background:var(--ac-navy);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.ac-pq__icon i{color:var(--ac-light);font-size:1.1rem;}
.ac-pq__title{font-size:.93rem;font-weight:700;color:var(--ac-navy);margin:0 0 8px;}
.ac-pq__desc{font-size:.86rem;color:var(--ac-muted);line-height:1.6;margin:0;}

/* =====================================================
   S14 — CTA FINAL
   ===================================================== */
.ac-cta{padding:96px 0;background:linear-gradient(135deg,#1B6CA8 0%,#02042B 100%);text-align:center;overflow:hidden;position:relative;z-index:1;}
.ac-cta__title{font-size:2.1rem;font-weight:800;color:#fff;margin:0 0 16px;line-height:1.25;}
.ac-cta__sub{font-size:1rem;color:rgba(255,255,255,.80);margin:0 auto 36px;max-width:660px;line-height:1.7;}
.ac-cta__btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.ac-cta__btn{display:inline-flex;align-items:center;gap:10px;padding:15px 36px;border-radius:8px;font-family:Poppins,sans-serif;font-size:.98rem;font-weight:700;cursor:pointer;text-decoration:none;transition:var(--ac-trans);}
.ac-cta__btn--light{background:var(--ac-white);color:var(--ac-navy);}
.ac-cta__btn--light:hover{background:var(--ac-light);transform:translateY(-2px);}
.ac-cta__btn--wa{background:#25D366;color:#fff;}
.ac-cta__btn--wa:hover{background:#1da851;transform:translateY(-2px);}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media(max-width:1100px){
    .ac-srv__grid{grid-template-columns:repeat(4,1fr);}
    .ac-app__grid{grid-template-columns:repeat(4,1fr);}
    .ac-ben__grid{grid-template-columns:repeat(2,1fr);}
    .ac-cot__form{grid-template-columns:1fr 1fr;}
}
@media(max-width:1024px){
    .ac-intro__grid{grid-template-columns:1fr;}
    .ac-intro__img{height:300px;}
    .ac-tipo{grid-template-columns:1fr;}
    .ac-tipo--rev{direction:ltr;}
    .ac-tipo__img-wrap img{height:260px;}
    .ac-nor__grid{grid-template-columns:repeat(2,1fr);}
    .ac-pq__grid{grid-template-columns:repeat(2,1fr);}
    .ac-gal__grid{columns:2;}
}
@media(max-width:768px){
    .ac-section{padding:56px 0;}
    .ac-title{font-size:1.6rem;}
    .ac-srv__grid{grid-template-columns:repeat(2,1fr);}
    .ac-app__grid{grid-template-columns:repeat(2,1fr);}
    .ac-prob__grid{grid-template-columns:1fr;}
    .ac-ben__grid{grid-template-columns:1fr;}
    .ac-nor__grid{grid-template-columns:1fr;}
    .ac-pq__grid{grid-template-columns:1fr;}
    .ac-gal__grid{columns:1;}
    .ac-cot__form{grid-template-columns:1fr;}
    .ac-cot__card{padding:28px 20px;}
    .ac-intro__checks{grid-template-columns:1fr;}
    .ac-tipo__list{grid-template-columns:1fr;}
    .ac-cta{padding:64px 0;}
    .ac-cta__title{font-size:1.7rem;}
}