:root{--ink:#0b0b0b;--ink2:#000;--linen:#f4f9fb;--paper:#fff;--brass:#3fb8dd;--brass-l:#8adcef;--mute:#5b6675;--line:#dbe7ec;--r:6px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:'Figtree',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;overflow-x:hidden;text-rendering:optimizeSpeed}
h1,h2,h3,h4{font-family:'Fraunces',Georgia,serif;font-weight:400;line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,4vw,2.9rem);margin-bottom:1.1rem}
h3{font-size:1.35rem}
p{max-width:62ch}
a{color:inherit}
:focus-visible{outline:3px solid var(--brass);outline-offset:3px}
img{max-width:100%;display:block}

.btn-nk{background:var(--brass);color:#fff;border:0;border-radius:var(--r);font-weight:600;padding:.7rem 1.4rem;transition:background .25s,transform .25s}
.btn-nk:hover{background:#2a9cc2;color:#fff;transform:translateY(-2px)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.75);color:#fff;border-radius:var(--r);font-weight:600;transition:background .25s,color .25s}
.btn-ghost:hover{background:#fff;color:var(--ink)}

.nk-nav{background:transparent;padding:.9rem 0;transition:background .3s,padding .3s,box-shadow .3s}
.nk-nav.scrolled,.nk-nav:has(.collapse.show){background:var(--ink);padding:.5rem 0;box-shadow:0 2px 18px rgba(0,0,0,.2)}
.navbar-brand{display:flex;align-items:center;gap:.6rem;color:#fff}
.navbar-brand:hover{color:#fff}
.brand-logo-wrap{display:inline-flex;align-items:center;height:46px;background:none;border-radius:0;overflow:visible}
.brand-logo{height:100%;width:auto;max-width:none;object-fit:contain;display:block}
.footer-logo-wrap{height:56px;margin-bottom:.4rem}
.nk-nav .nav-link{color:rgba(255,255,255,.88);font-weight:500;padding:.6rem .7rem}
.nk-nav .nav-link:hover{color:var(--brass-l)}
.navbar-toggler{border:0;color:#fff;font-size:1.9rem;line-height:1;padding:.15rem .4rem}
.navbar-toggler:focus{box-shadow:none}
@media(max-width:1199.98px){.navbar-collapse{padding:.8rem 0 1rem}.nk-nav .btn{margin-top:.6rem}}

.ph{position:relative;margin:0;overflow:hidden;border-radius:var(--r);background:linear-gradient(135deg,#e9eef1,#d7e3e8);min-height:0}
.ph::after{content:"Imagen pendiente";position:absolute;inset:0;display:none;place-items:center;font-size:.85rem;color:var(--mute)}
.ph:has(img.is-missing)::after{display:grid}
.ph img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .8s ease}
.ph img.is-missing{visibility:hidden}
.ph:hover img{transform:scale(1.04)}
.ratio-4x5{aspect-ratio:4/5}.ratio-4x3{aspect-ratio:4/3}.ratio-16x9{aspect-ratio:16/9}

.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;padding:9rem 0 5rem;background:var(--ink2)}
.hero-bg{position:absolute;inset:0;border-radius:0;background:linear-gradient(135deg,#111,#000)}
.hero-bg:hover img{transform:none}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.25) 40%,rgba(0,0,0,.9))}
.hero-content{position:relative}
.hero-kicker{color:var(--brass-l);font-weight:500;margin-bottom:1rem}
.hero h1{font-size:clamp(2.2rem,6.2vw,4.6rem);max-width:19ch;margin-bottom:1.2rem}
.hero-sub{font-size:clamp(1.05rem,2vw,1.3rem);max-width:46ch;margin-bottom:2rem;color:rgba(255,255,255,.9)}
.hero .ph::after{color:rgba(255,255,255,.4)}

.trayectoria{background:var(--linen);padding:5rem 0;border-bottom:1px solid var(--line)}
.big45{font-family:'Fraunces',serif;font-size:clamp(7rem,22vw,13rem);line-height:.85;color:var(--ink);letter-spacing:-.04em}
.big45 span{color:var(--brass);font-size:.5em;vertical-align:top;margin-right:.05em}
.big45-label{font-size:1.15rem;font-weight:600;color:var(--brass);margin-top:.8rem}

.section{padding:clamp(4rem,9vw,7rem) 0}
.band{background:var(--linen)}
.band-dark{background:var(--ink);color:#fff}
.band-dark p,.band-dark li{color:rgba(255,255,255,.85)}
.band i.bi{font-size:2rem;color:var(--brass);display:block;margin-bottom:.6rem}
.band h3{font-size:1.2rem;margin-bottom:.5rem}
.band p{color:var(--mute);font-size:.98rem}
.tick{list-style:none;padding:0;margin:1.2rem 0 1.8rem}
.tick li{position:relative;padding-left:1.7rem;margin-bottom:.5rem}
.tick li::before{content:"\F26A";font-family:bootstrap-icons;position:absolute;left:0;color:var(--brass)}
.band .tick li{color:var(--ink)}

.logi{background:var(--ink);color:#fff;border-radius:var(--r);padding:2.2rem}
.logi i{font-size:2.4rem;color:var(--brass-l)}
.logi p{color:rgba(255,255,255,.85)}

.contact-list{list-style:none;padding:0;margin:2rem 0 0}
.contact-list li{display:flex;gap:.9rem;align-items:center;margin-bottom:.9rem;overflow-wrap:anywhere}
.contact-list i{color:var(--brass-l);font-size:1.3rem}
.contact-list a{text-decoration:none}
.contact-list a:hover{color:var(--brass-l)}
.nk-form{background:#fff;color:var(--ink);border-radius:var(--r);padding:clamp(1.3rem,3vw,2.2rem)}
.nk-form label{font-weight:600;font-size:.9rem;margin-bottom:.3rem}
.nk-form .form-control,.nk-form .form-select{border-radius:var(--r);padding:.7rem .8rem;border-color:#cfd3d9}
.nk-form .form-control:focus,.nk-form .form-select:focus{border-color:var(--brass);box-shadow:0 0 0 .2rem rgba(63,184,221,.25)}
.nk-form .is-invalid{border-color:#b3261e}
.form-msg{margin:.8rem 0 0;font-size:.92rem;color:#b3261e;min-height:1.2em}

.nk-footer{background:var(--ink2);color:rgba(255,255,255,.78);padding:4.5rem 0 1.5rem}
.nk-footer h4{color:#fff;font-size:1.05rem;margin-bottom:1rem}
.nk-footer ul{list-style:none;padding:0;margin:0}
.nk-footer li{margin-bottom:.5rem;overflow-wrap:anywhere}
.nk-footer a{text-decoration:none}
.nk-footer a:hover{color:var(--brass-l)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem;border-top:1px solid rgba(255,255,255,.15);margin-top:3rem;padding-top:1.4rem;font-size:.9rem}
.footer-bottom a{color:var(--brass-l)}

.wa-float{position:fixed;right:1rem;bottom:1rem;z-index:1030;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;font-size:1.8rem;box-shadow:0 6px 18px rgba(0,0,0,.25);transition:transform .25s}
.wa-float:hover{transform:scale(1.08);color:#fff}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.ph img,.btn-nk{transition:none}}
@media(prefers-reduced-data:reduce){.ph:hover img{transform:none}.reveal{transition:none}}
@media(max-width:400px){.hero{padding-bottom:3.5rem}.brand-logo-wrap{height:38px}.btn-lg{width:100%}}
/* Sin JS, el contenido no queda oculto */
@media(scripting:none){.reveal{opacity:1;transform:none}}

/* Servicios: paneles */
.svc-head{max-width:68ch;margin-bottom:2.8rem}
.panels{display:flex;gap:.75rem;height:clamp(580px,80vh,700px)}
.panel{position:relative;flex:1;min-width:0;display:flex;align-items:flex-end;border-radius:10px;overflow:hidden;color:#fff;cursor:pointer;background:var(--ink);transition:flex .7s cubic-bezier(.2,.7,.2,1)}
.panel.active{flex:3.6;cursor:default}
.panel::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(0,0,0,.05) 20%,rgba(0,0,0,.92))}
.panel-bg{position:absolute;inset:0;border-radius:0}
.panel-body{position:relative;z-index:2;width:100%;padding:1.6rem}
.panel h3{font-size:clamp(1.6rem,2.4vw,2.2rem);margin:0}
.panel:not(.active) h3{writing-mode:vertical-rl;transform:rotate(180deg);white-space:nowrap}
.panel:not(.active) .panel-tag{display:none}
.panel-tag{display:inline-block;background:var(--brass);padding:.15rem .7rem;border-radius:20px;font-size:.8rem;font-weight:600;margin-bottom:.7rem}
.panel-more{display:none;max-width:52ch}
.panel.active .panel-more{display:block;animation:pin .6s .25s both}
@keyframes pin{from{opacity:0;transform:translateY(12px)}}
.panel .tick li{color:#fff}
.panel .tick li::before{color:var(--brass-l)}
.panel:focus-visible{outline-offset:-4px}
@media(max-width:991.98px){.panels{flex-direction:column;height:auto}.panel{flex:none;min-height:0}.panel-body{padding:11rem 1.3rem 1.5rem}.panel:not(.active) h3{writing-mode:initial;transform:none}.panel:not(.active) .panel-tag{display:inline-block}.panel-more{display:block}}

/* Catálogo */
.cat-a{background:var(--linen)}.cat-b{background:var(--ink);color:#fff}
.cat-in{max-width:640px;padding:clamp(2.5rem,6vw,5rem) clamp(1.3rem,4vw,3.5rem)}
.cat-a .cat-in{margin-left:auto}
.cat-in .ph{margin-bottom:2rem}
.carta{list-style:none;padding:0;margin:1.6rem 0;columns:2;column-gap:2rem}
.carta li{break-inside:avoid;padding:.6rem 0 .6rem 1.3rem;border-bottom:1px solid var(--line);position:relative;font-family:'Fraunces',Georgia,serif;font-size:1.08rem}
.carta li::before{content:"";position:absolute;left:0;top:1.1rem;width:6px;height:6px;background:var(--brass);transform:rotate(45deg)}
.cat-b .carta li{border-color:rgba(255,255,255,.18)}
.cat-b p{color:rgba(255,255,255,.85)}
.cat-note{font-size:.92rem;color:var(--mute);margin:.4rem 0}
.cat-b .cat-note{color:var(--brass-l)}
.cat-note i{color:var(--brass);margin-right:.4rem}
.cat-in .btn{margin-top:1.4rem}
@media(max-width:575.98px){.carta{columns:1}}

/* Cómo funciona */
.how{background:var(--linen)}
.how-tabs{list-style:none;padding:0;margin:0 0 2.5rem;display:flex;flex-wrap:wrap;gap:.6rem}
.how-tabs button{border:1.5px solid var(--ink);background:transparent;color:var(--ink);border-radius:40px;padding:.6rem 1.3rem;font-weight:600;transition:background .25s,color .25s}
.how-tabs button.active,.how-tabs button:hover{background:var(--ink);color:#fff}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;position:relative}
.steps::before{content:"";position:absolute;top:34px;left:12%;right:12%;border-top:2px dashed var(--brass-l)}
.steps li{position:relative;text-align:center}
.st-ic{display:grid;place-items:center;width:68px;height:68px;margin:0 auto 1rem;border-radius:50%;background:#fff;border:2px solid var(--brass);color:var(--brass);font-size:1.6rem;position:relative}
.steps h4{font-size:1.15rem}
.steps p{font-size:.95rem;color:var(--mute);margin:0 auto;max-width:26ch}
@media(max-width:991.98px){.steps{grid-template-columns:1fr;gap:1.6rem}.steps::before{display:none}.steps li{display:grid;grid-template-columns:68px 1fr;gap:0 1.1rem;text-align:left}.st-ic{grid-row:span 2;margin:0}.steps p{max-width:none}}
.info{background:#fff;border-radius:var(--r);padding:1.8rem;height:100%;border-top:3px solid var(--brass)}
.info i{font-size:1.8rem;color:var(--brass)}
.info h3{font-size:1.2rem;margin:.6rem 0}
.info p{color:var(--mute);font-size:.96rem;margin:0}

/* Galería (carrusel) */
.gal{background:var(--ink2);color:#fff;padding:clamp(4rem,8vw,6.5rem) 0}
.gal .svc-head p{color:rgba(255,255,255,.8)}
.nk-carousel .ph{aspect-ratio:16/9;border-radius:10px;background:var(--ink2)}
.nk-carousel .ph img{object-fit:contain}
@media(max-width:767.98px){.nk-carousel .ph{aspect-ratio:4/5}}
.nk-carousel .carousel-item{transition:transform .9s ease}
.nk-carousel .carousel-control-prev,.nk-carousel .carousel-control-next{width:56px;height:56px;top:50%;bottom:auto;transform:translateY(-50%);margin:0 .8rem;background:rgba(0,0,0,.55);border-radius:50%;opacity:1}
.nk-carousel .carousel-control-prev:hover,.nk-carousel .carousel-control-next:hover{background:var(--brass)}
.nk-carousel .carousel-indicators{margin-bottom:1rem}
.nk-carousel .carousel-indicators [data-bs-target]{width:22px;height:3px;border:0;background:#fff}

/* Menú desplegable de Servicios */
.nk-nav .dropdown-toggle::after{margin-left:.4rem;vertical-align:.18em;border-top-width:.32em;border-right-width:.3em;border-left-width:.3em}
.nk-nav .dropdown-toggle.show{color:var(--brass-l)}
.nk-dropdown{background:var(--ink);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:.5rem;margin-top:.5rem;box-shadow:0 12px 30px rgba(0,0,0,.35);min-width:15rem}
.nk-dropdown .dropdown-item{color:rgba(255,255,255,.9);font-weight:500;border-radius:4px;padding:.6rem .9rem;transition:background .2s,color .2s}
.nk-dropdown .dropdown-item:hover,.nk-dropdown .dropdown-item:focus{background:var(--brass);color:#fff}
@media(min-width:1200px){
  .nk-nav .dropdown::after{content:"";position:absolute;left:0;right:0;top:100%;height:.6rem}
  .nk-nav .dropdown:hover>.dropdown-menu{display:block}
  .nk-nav .dropdown{position:relative}
}
@media(max-width:1199.98px){.nk-dropdown{background:transparent;border:0;box-shadow:none;padding:0 0 0 1rem;margin:0}}

/* Rendimiento: el navegador no calcula layout/pintura de secciones lejanas hasta acercarse.
   "auto" recuerda la altura real una vez renderizadas (sin saltos al volver a subir). */
.cat,#flota,.gal,.nk-footer{content-visibility:auto}
.cat{contain-intrinsic-size:auto 1000px}
#flota{contain-intrinsic-size:auto 600px}
.gal{contain-intrinsic-size:auto 800px}
.nk-footer{contain-intrinsic-size:auto 420px}