:root{
  --navy:#1D3A8F; --navy-dark:#142a68; --navy-ink:#0f1f4d; --navy-soft:#eaeefa;
  --green:#12b45a;
  --text:#16192b; --muted:#6b7280; --line:#e5e7eb; --bg-soft:#f4f5f8;
  --radius:14px; --radius-sm:10px;
  --shadow:0 1px 3px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.06);
  --font:'Inter',system-ui,-apple-system,sans-serif; --max-w:520px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-size:15px;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased;line-height:1.5}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:var(--font);cursor:pointer}
.wrap{max-width:var(--max-w);margin:0 auto;padding-inline:1.25rem}
.skip-link{position:absolute;left:-9999px;top:.5rem;z-index:999;padding:.5rem 1rem;background:var(--navy);color:#fff;border-radius:6px}
.skip-link:focus{left:.5rem}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:none;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;padding:.95rem 1.25rem;transition:filter .15s,transform .1s;text-align:center;line-height:1.25}
.btn:active{transform:scale(.985)}
.btn:hover{filter:brightness(.95)}
.btn--navy{background:var(--navy);color:#fff}
.btn--wa{background:var(--green);color:#fff}
.btn--ghost{background:#fff;color:var(--text);border:1.5px solid var(--line)}
.btn--full{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}

/* HEADER */
.navbar{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.navbar__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:var(--max-w);margin:0 auto;padding:.65rem 1.25rem}
.navbar__logo img{height:44px;width:auto}
.navbar__links{display:none}
.navbar__burger{background:none;border:none;color:var(--navy);display:flex;align-items:center;gap:.4rem;font-size:.85rem;font-weight:600;padding:.4rem}
.drawer{position:fixed;top:0;bottom:0;right:-100%;width:min(320px,88vw);background:#fff;z-index:200;transition:right .28s ease;overflow-y:auto;box-shadow:-4px 0 30px rgba(0,0,0,.18)}
.drawer.open{right:0}
.drawer__inner{padding:1.25rem}
.drawer__close{background:none;border:none;color:var(--navy);font-weight:600;font-size:.9rem;padding:.4rem 0;margin-bottom:.75rem}
.drawer a{display:block;padding:.8rem .25rem;font-weight:600;border-bottom:1px solid var(--bg-soft)}
.drawer__sep{height:1rem}
.overlay{display:none;position:fixed;inset:0;background:rgba(10,15,35,.5);z-index:150}
.overlay.show{display:block}

/* HERO */
.hero{position:relative;background:var(--navy-ink);color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center right;opacity:.5}
.hero__bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,31,77,.92) 0%,rgba(15,31,77,.7) 55%,rgba(15,31,77,.94) 100%)}
.hero__inner{position:relative;z-index:1;max-width:var(--max-w);margin:0 auto;padding:2.75rem 1.25rem 2.25rem}
.hero h1{font-size:2.05rem;font-weight:800;line-height:1.13;letter-spacing:-.02em;margin-bottom:.65rem}
.hero p{font-size:1rem;color:rgba(255,255,255,.84);margin-bottom:1.5rem;max-width:42ch}
.hero p:last-child{margin-bottom:0}
.crumbs{position:relative;z-index:1;max-width:var(--max-w);margin:0 auto;padding:.75rem 1.25rem 0;font-size:.76rem;color:rgba(255,255,255,.6)}
.crumbs a:hover{color:#fff;text-decoration:underline}

/* CARRUSEL */
.modelos-nav{background:var(--bg-soft);padding:1.5rem 0 1.25rem}
.modelos-nav h2{font-size:1.05rem;font-weight:800;color:var(--navy);margin-bottom:.9rem}
.modelos-nav__row{position:relative;display:flex;align-items:center;gap:.35rem;max-width:var(--max-w);margin:0 auto}
.modelos-nav__scroll{display:flex;gap:.7rem;overflow-x:auto;scroll-behavior:smooth;padding:.15rem 1.25rem .4rem;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.modelos-nav__scroll::-webkit-scrollbar{display:none}
.modelo-pill{flex:0 0 auto;width:100px;background:#fff;border-radius:12px;padding:.55rem .4rem .5rem;text-align:center;box-shadow:0 1px 2px rgba(16,24,40,.05)}
.modelo-pill img{width:100%;height:52px;object-fit:contain}
.modelo-pill span{display:block;margin-top:.35rem;font-size:.78rem;font-weight:700;color:var(--navy)}
.modelo-pill.is-current{outline:2px solid var(--navy)}
.arrow{flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--navy);display:none;align-items:center;justify-content:center;box-shadow:var(--shadow)}

/* DESTACADOS */
.destacados{padding:2rem 0 .5rem}
.destacados__list{display:flex;flex-direction:column;gap:1.15rem}
.destacado{display:flex;gap:.85rem;align-items:flex-start}
.destacado__ico{flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--navy-soft);color:var(--navy);display:flex;align-items:center;justify-content:center}
.destacado strong{display:block;font-size:.98rem;color:var(--navy);margin-bottom:.15rem}
.destacado p{font-size:.87rem;color:var(--muted)}

/* SECCIONES */
.sec{padding:2rem 0}
.sec-head{margin-bottom:1.1rem}
.sec-head h2{font-size:1.35rem;font-weight:800;color:var(--navy);letter-spacing:-.01em;line-height:1.2}
.sec-head p{font-size:.88rem;color:var(--muted);margin-top:.3rem}

/* TARJETAS MODELO (home) */
.modelos__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}
.mcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.mcard__img{aspect-ratio:4/3;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;padding:.4rem}
.mcard__img img{width:100%;height:100%;object-fit:contain}
.mcard__body{padding:.7rem .75rem .75rem;display:flex;flex-direction:column;flex:1;gap:.15rem}
.mcard__modelo{font-size:.95rem;font-weight:800;color:var(--text);line-height:1.2;margin-bottom:.6rem}
.mcard__bullets{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.7rem;flex:1}
.mcard__bullet{display:flex;gap:.35rem;font-size:.74rem;line-height:1.35}
.mcard__bullet svg{flex:0 0 auto;margin-top:.15rem;color:var(--green)}
.mcard__ctas{display:flex;flex-direction:column;gap:.4rem}
.mcard__ctas .btn{padding:.65rem .5rem;font-size:.82rem}

/* OPCIONES DE FINANCIACION (interna) */
.opciones{display:grid;grid-template-columns:repeat(2,1fr);gap:.7rem}
.opcion{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:.85rem;display:flex;flex-direction:column;gap:.7rem;box-shadow:var(--shadow)}
.opcion__ico{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center}
.opcion__ico svg{width:19px;height:19px}
.opcion__txt{font-size:.85rem;font-weight:700;line-height:1.3;flex:1}
.opcion .btn{margin-top:auto;padding:.7rem .4rem;font-size:.8rem}

/* VERSIONES */
.versiones{display:flex;flex-direction:column;gap:.55rem}
.version{display:flex;align-items:center;justify-content:space-between;gap:1rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:.85rem 1rem}
.version strong{font-size:.88rem;font-weight:600}
.version span{font-size:.78rem;color:var(--muted);white-space:nowrap}

/* GALERIA */
.galeria__grid{display:grid;grid-template-columns:1fr;gap:.7rem;margin-top:1rem}
.galeria__grid img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);background:var(--bg-soft)}
.galeria p{font-size:.9rem;color:var(--muted);line-height:1.65}

/* FICHA TECNICA */
.ficha{background:var(--bg-soft);border-radius:var(--radius);padding:1.1rem 1.25rem;margin-top:1rem}
.ficha__row{display:flex;gap:1rem;padding:.6rem 0;border-bottom:1px solid var(--line);font-size:.87rem}
.ficha__row:last-child{border-bottom:none}
.ficha__row dt{flex:0 0 34%;color:var(--muted);font-weight:600}
.ficha__row dd{flex:1;font-weight:500}
.ficha__img{margin-top:1rem;border-radius:var(--radius);overflow:hidden}

/* FAQ */
.faq__list{display:flex;flex-direction:column;gap:.6rem;margin-top:1rem}
.faq__item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;overflow:hidden}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem;background:none;border:none;text-align:left;padding:1rem;font-size:.9rem;font-weight:600;color:var(--text)}
.faq__q svg{flex:0 0 auto;color:var(--navy);transition:transform .2s}
.faq__item.open .faq__q svg{transform:rotate(180deg)}
.faq__a{display:none;padding:0 1rem 1rem;font-size:.86rem;color:var(--muted);line-height:1.6}
.faq__item.open .faq__a{display:block}

/* FORM */
.form-sec{background:var(--bg-soft);padding:2.25rem 0}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}
.progress{height:4px;background:var(--line);border-radius:4px;overflow:hidden;margin-bottom:.85rem}
.progress__bar{height:100%;background:var(--navy);transition:width .3s ease;border-radius:4px}
.step-label{font-size:.68rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:.6rem}
.step h3{font-size:1.2rem;font-weight:800;line-height:1.25;margin-bottom:1rem}
.step{display:none}
.step.active{display:block}
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.pick{border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#fff;padding:.5rem .3rem;text-align:center}
.pick img{width:100%;height:38px;object-fit:contain}
.pick span{display:block;margin-top:.25rem;font-size:.72rem;font-weight:600;color:var(--muted)}
.pick.sel{border-color:var(--navy);border-width:2px;background:var(--navy-soft)}
.pick.sel span{color:var(--navy);font-weight:700}
.pick-link{display:inline-block;margin-top:.85rem;font-size:.82rem;color:var(--muted);text-decoration:underline;background:none;border:none;padding:0}
.pick-link.sel{color:var(--navy);font-weight:700}
.opt{width:100%;text-align:left;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#fff;padding:.95rem 1rem;font-size:.92rem;color:var(--text);margin-bottom:.55rem}
.opt.sel{border-color:var(--navy);border-width:2px;font-weight:700}
.chip{display:flex;align-items:center;gap:.45rem;background:var(--bg-soft);border-radius:8px;padding:.6rem .8rem;font-size:.83rem;color:var(--muted);margin-bottom:1rem}
.chip::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--navy);flex:0 0 auto}
.field{margin-bottom:.85rem}
.field label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:.3rem}
.field input{width:100%;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-soft);padding:.9rem 1rem;font-size:1rem;font-family:var(--font);color:var(--text)}
.field input:focus{outline:none;border-color:var(--navy);background:#fff}
.field .err{display:none;color:#c0392b;font-size:.76rem;margin-top:.25rem}
.field.invalid .err{display:block}
.field.invalid input{border-color:#c0392b}
.nav-row{display:flex;gap:.6rem;align-items:center;margin-top:1rem}
.back{flex:0 0 auto;width:46px;height:46px;border-radius:var(--radius-sm);border:1.5px solid var(--line);background:#fff;color:var(--text);display:flex;align-items:center;justify-content:center}
.nav-row .btn{flex:1}
.form-ok{text-align:center;padding:1.5rem .5rem}
.form-ok__ico{width:52px;height:52px;border-radius:50%;background:#e8f7ee;color:var(--green);display:flex;align-items:center;justify-content:center;margin:0 auto .8rem}
.form-ok h3{font-size:1.1rem;margin-bottom:.4rem}
.form-ok p{font-size:.88rem;color:var(--muted)}

/* FOOTER */
.footer{background:var(--navy-ink);color:#fff}
.footer__top{max-width:var(--max-w);margin:0 auto;padding:2.25rem 1.25rem 1.5rem;display:flex;flex-direction:column;gap:2rem}
.footer__logo img{height:46px;width:auto;filter:brightness(0) invert(1)}
.footer__col h4{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-bottom:.85rem;font-weight:700}
.footer__col li{margin-bottom:.6rem}
.footer__col a{font-size:.88rem;color:rgba(255,255,255,.85)}
.footer__col a:hover{color:#fff;text-decoration:underline}
.footer__cta{display:block;background:var(--green);color:#fff;text-align:center;border-radius:var(--radius-sm);padding:.95rem 1rem;font-weight:700;font-size:.95rem}
.footer__legal{border-top:1px solid rgba(255,255,255,.12)}
.footer__legal-inner{max-width:var(--max-w);margin:0 auto;padding:1.35rem 1.25rem 2rem}
.footer__legal p{font-size:.72rem;color:rgba(255,255,255,.55);line-height:1.65}
.footer__legal p + p{margin-top:.7rem}
.footer__legal a{color:rgba(255,255,255,.75);text-decoration:underline}

/* WHATSAPP STICKY */
.wa-float{position:fixed;right:1rem;bottom:1rem;z-index:120;width:56px;height:56px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(18,180,90,.45)}

@media(min-width:900px){
  :root{--max-w:1120px}
  .navbar__links{display:flex;gap:1.75rem;align-items:center}
  .navbar__links a{font-size:.88rem;font-weight:600;color:var(--navy)}
  .navbar__burger{display:none}
  .navbar__logo img{height:52px}
  .hero__inner{padding:4.5rem 1.25rem}
  .hero h1{font-size:3.1rem;max-width:18ch}
  .hero p{font-size:1.12rem;max-width:52ch}
  .arrow{display:flex}
  .modelos-nav__scroll{padding-inline:.25rem}
  .modelos-nav__row{padding-inline:1.25rem}
  .destacados{padding:3rem 0 1rem}
  .destacados__list{flex-direction:row;gap:2rem}
  .destacado{flex:1}
  .sec{padding:3rem 0}
  .sec-head h2{font-size:1.75rem}
  .modelos__grid{grid-template-columns:repeat(4,1fr);gap:1.25rem}
  .mcard__body{padding:1rem}
  .mcard__modelo{font-size:1.05rem}
  .mcard__bullet{font-size:.8rem}
  .mcard__ctas .btn{padding:.75rem;font-size:.87rem}
  .opciones{gap:1.25rem}
  .opciones--3{grid-template-columns:repeat(3,1fr)}
  .opciones--4{grid-template-columns:repeat(4,1fr)}
  .opcion{padding:1.1rem;gap:.9rem}
  .opcion__ico{width:42px;height:42px;border-radius:11px}
  .opcion__ico svg{width:22px;height:22px}
  .opcion__txt{font-size:1rem}
  .opcion .btn{padding:.95rem 1.25rem;font-size:.95rem}
  .galeria__grid{grid-template-columns:repeat(3,1fr)}
  .galeria__inner{display:flex;gap:3rem;align-items:flex-start}
  .faq__list{max-width:760px}
  .form-sec{padding:3.5rem 0}
  .form-card{max-width:620px;margin:0 auto;padding:2rem}
  .pick-grid{grid-template-columns:repeat(5,1fr)}
  .footer__top{flex-direction:row;justify-content:space-between;gap:3rem;padding-top:3rem}
  .footer__brand{max-width:280px}
}