/* =========================================================
   Cascarón / wireframe — ATUL Auto Limited
   Basado en: Arq_Info_ATUL.pdf (DEUX)
   Baja fidelidad: usa los grises/morados del PDF. Tipografía,
   color, imágenes y textos finales los define el área de diseño.
   ========================================================= */
:root{
  --ink:#2b1f44;            /* bloque oscuro del PDF */
  --mid:#6f6682;            /* bloque medio */
  --light:#c8c3d0;          /* bloque claro */
  --lighter:#e8e5ec;
  --paper:#f7f6f9;
  --white:#ffffff;
  --line:rgba(43,31,68,.45);
  --accent:#e39b1b;         /* naranja de las etiquetas del PDF */
  --note-bg:#fff6e3;
  --note-ink:#5a4512;
  --radius:4px;
  --container:1160px;
  --gutter:24px;
  /* tonos por sección (se redefinen en .sec--mid / .sec--dark) */
  --bar:var(--light);
  --title-bar:var(--mid);
  --title:var(--ink);
  --text:var(--ink);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
.sec,.footer{scroll-margin-top:76px}
body{margin:0;font-family:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;background:var(--paper);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.2}
ul{margin:0;padding:0;list-style:none}
p{margin:0 0 12px}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.center{text-align:center}
.muted{color:var(--mid);margin:0 0 16px}
.eyebrow{font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--accent);margin:0 0 8px}
.sec__title{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:var(--title)}
.sec__head{text-align:center;margin-bottom:40px}
.sec__head .bar--center{margin-left:auto;margin-right:auto}

/* ---------- Barra de trabajo (solo para el equipo) ---------- */
.wf-bar{background:#1b1430;color:#fff;font-size:.78rem;border-bottom:2px solid var(--accent)}
.wf-bar__inner{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;justify-content:space-between;min-height:40px;padding-top:6px;padding-bottom:6px}
.wf-bar__title{opacity:.9}
.wf-bar__title em{font-style:normal;color:var(--accent)}
.wf-bar__pages{display:flex;flex-wrap:wrap;gap:6px}
.wf-bar__pages a{color:#fff;text-decoration:none;padding:4px 10px;border:1px solid rgba(255,255,255,.3);border-radius:999px}
.wf-bar__pages a.is-current{background:var(--accent);border-color:var(--accent);color:#1b1430;font-weight:700}

/* ---------- Menú con secciones ---------- */
.nav{position:sticky;top:0;z-index:50;background:var(--lighter);border-bottom:1px solid var(--line)}
.nav__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.nav__logo{width:150px;height:46px;flex:none;text-decoration:none}
.nav__menu{display:flex;gap:28px;font-size:.82rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.nav__menu a{text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.nav__menu a:hover{border-bottom-color:var(--ink)}
.nav__cta{flex:none}
.nav__burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--white);border-radius:var(--radius);font-size:1.3rem;cursor:pointer;color:var(--ink)}
.nav .sec__tag{top:auto;bottom:-12px;left:50%;transform:translateX(-50%)}
@media (max-width:900px){
  .nav__cta{display:none}
  .nav__burger{display:inline-flex;align-items:center;justify-content:center}
  .nav__menu{display:none;position:absolute;top:76px;left:calc(-1 * var(--gutter));right:calc(-1 * var(--gutter));flex-direction:column;gap:0;background:var(--lighter);border-bottom:1px solid var(--line);padding:8px var(--gutter) 16px}
  .nav__menu a{display:block;padding:12px 0;border-bottom:1px solid rgba(43,31,68,.15)}
  .nav.open .nav__menu{display:flex}
}

/* ---------- Placeholder con "X" (igual que en el PDF) ---------- */
.ph{--xl:rgba(255,255,255,.55);position:relative;display:block;background:var(--ink);border:1px solid var(--line);min-height:48px;overflow:hidden}
.ph::before,.ph::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(to top right,transparent calc(50% - .7px),var(--xl) 50%,transparent calc(50% + .7px))}
.ph::after{background:linear-gradient(to top left,transparent calc(50% - .7px),var(--xl) 50%,transparent calc(50% + .7px))}
.ph--mid{background:var(--mid)}
.ph--light{--xl:rgba(43,31,68,.5);background:var(--light)}
.ph__label{position:absolute;z-index:2;top:50%;left:50%;transform:translate(-50%,-50%);max-width:92%;padding:4px 10px;font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;text-align:center;color:#fff;background:rgba(27,20,48,.85);border-radius:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ph--square{aspect-ratio:1/1}
.ph--wide{aspect-ratio:4/3}
.ph--banner{aspect-ratio:16/9}

/* ---------- Barras de texto (esqueleto) ---------- */
.bar{height:12px;width:100%;background:var(--bar);border-radius:3px;margin:10px 0}
.bar--title{height:30px;background:var(--title-bar);margin:0 0 14px}
.bar--sub{height:16px}
.bar--100{width:100%}.bar--95{width:95%}.bar--90{width:90%}.bar--80{width:80%}.bar--70{width:70%}.bar--60{width:60%}.bar--50{width:50%}.bar--40{width:40%}.bar--30{width:30%}
.bars{margin:20px 0}

/* ---------- Secciones y tonos ---------- */
.sec{position:relative;padding:72px 0;border-bottom:1px dashed var(--line)}
.sec--mid{--bar:rgba(255,255,255,.6);--title:#fff;--text:#fff;--title-bar:rgba(255,255,255,.75);background:var(--mid);color:#fff}
.sec--dark{--bar:rgba(255,255,255,.35);--title:#fff;--text:#fff;--title-bar:rgba(255,255,255,.5);background:var(--ink);color:#fff}
.sec--mid .muted,.sec--dark .muted{color:rgba(255,255,255,.75)}
.sec--mid .eyebrow,.sec--dark .eyebrow{color:#f3c56a}

/* etiqueta de sección + nota para diseño */
.sec__tag{position:absolute;z-index:6;top:14px;left:var(--gutter);display:inline-flex;align-items:center;gap:6px;padding:4px 12px;font-size:.7rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#1b1430;background:var(--accent);border-radius:999px;box-shadow:0 1px 3px rgba(0,0,0,.25)}
.note{margin:0 0 32px;padding:12px 16px;font-size:.86rem;line-height:1.55;color:var(--note-ink);background:var(--note-bg);border-left:4px solid var(--accent);border-radius:0 4px 4px 0}
.note strong{color:#1b1430}
.note--page{margin:24px 0 0}
body.notes-off .sec__tag,body.notes-off .note,body.notes-off .ph__label,body.notes-off .wf-bar{display:none}

/* ---------- Hero ---------- */
.sec--hero{padding:0 0 24px}
.sec--hero .note{margin:24px 0 0}
.hero__media{display:flex;align-items:center;min-height:min(640px,80vh);padding:72px var(--gutter)}
.hero__inner{position:relative;z-index:2;width:100%;max-width:calc(var(--container) - 2*var(--gutter));margin:0 auto}
.hero__content{max-width:560px;color:#fff;--bar:rgba(255,255,255,.5);--title-bar:rgba(255,255,255,.85);--title:#fff}
.hero__content .eyebrow{color:#f3c56a}
.hero__media .ph__label{top:auto;left:auto;bottom:16px;right:16px;transform:none}
.subhero__media{min-height:360px;align-items:flex-end;padding:56px var(--gutter) 48px}
.breadcrumb{font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;opacity:.85;margin-bottom:14px}
.breadcrumb a{text-decoration:none}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 28px;border:2px solid var(--ink);border-radius:var(--radius);background:var(--ink);color:#fff;font-weight:700;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;cursor:pointer;white-space:nowrap}
.btn--ghost{background:transparent;color:var(--ink)}
.sec--mid .btn,.sec--dark .btn,.hero__content .btn{border-color:#fff;background:#fff;color:var(--ink)}
.sec--mid .btn--ghost,.sec--dark .btn--ghost,.hero__content .btn--ghost{background:transparent;color:#fff}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* ---------- Rejillas ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.grid-2--media-sm{grid-template-columns:minmax(240px,400px) 1fr}
@media (max-width:860px){.grid-2,.grid-2--media-sm{grid-template-columns:1fr;gap:32px}.grid-2 .ph--square{max-width:420px;margin:0 auto;width:100%}}

.wire-list{margin:20px 0}
.wire-list li{display:flex;align-items:center;gap:12px;margin:10px 0}
.wire-list .dot{flex:none;width:14px;height:14px;border-radius:50%;background:var(--bar)}
.wire-list .bar{margin:0}

/* ---------- Servicios (tarjetas) ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:40px}
.card{display:block;text-decoration:none;color:var(--ink);background:var(--white);border:1px solid var(--line);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(43,31,68,.15)}
.card__body{padding:24px;--bar:var(--light)}
.card__title{font-size:1.1rem;text-transform:uppercase;letter-spacing:.03em}
.card__link{display:inline-block;margin-top:12px;font-weight:700;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;border-bottom:2px solid var(--ink)}
@media (max-width:720px){.cards{grid-template-columns:1fr}}

/* ---------- Procedimientos (video + lista) ---------- */
.video{display:grid;grid-template-columns:2fr 1fr;border:1px solid var(--line);background:var(--white)}
.video__player{aspect-ratio:16/9;border:0;border-right:1px solid var(--line)}
.video__player .play{position:absolute;z-index:2;top:50%;left:50%;width:76px;height:76px;transform:translate(-50%,-50%)}
.video__player .ph__label{top:auto;left:auto;right:12px;bottom:12px;transform:none}
.playlist{display:flex;flex-direction:column;color:var(--ink)}
.playlist li{display:flex;align-items:center;gap:14px;padding:14px 16px;border-bottom:1px solid rgba(43,31,68,.2)}
.playlist li:last-child{border-bottom:0}
.playlist .dot{flex:none;width:12px;height:12px;border-radius:50%;border:2px solid var(--mid)}
.playlist__thumb{flex:none;width:64px;height:40px;min-height:0}
.playlist__text{flex:1;--bar:var(--light)}
.playlist__text .bar{margin:6px 0}
@media (max-width:860px){.video{grid-template-columns:1fr}.video__player{border-right:0;border-bottom:1px solid var(--line)}}

/* ---------- Formulario ---------- */
.form{background:var(--white);color:var(--ink);--title:var(--ink);--bar:var(--light);--title-bar:var(--mid);padding:36px;border:1px solid var(--line)}
.field{margin-bottom:16px}
.field label{display:block;font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);font:inherit;color:var(--ink)}
.field textarea{min-height:120px;resize:vertical}
.field--check{display:flex;align-items:center;gap:10px}
.field--check label{margin:0;text-transform:none;letter-spacing:0;font-weight:500;font-size:.85rem}
.field--check input{width:auto}
.form .btn{width:100%;border-color:var(--ink);background:var(--ink);color:#fff}

/* ---------- Contacto ---------- */
.contact{margin:0 0 8px}
.contact > div{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:start;padding:12px 0;border-bottom:1px solid rgba(43,31,68,.15)}
.contact dt{font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mid);padding-top:2px}
.contact dd{margin:0}
.contact dd .bar{margin:4px 0}

/* ---------- Bloques informativos (subpáginas) ---------- */
.blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.block{background:var(--white);color:var(--ink);border:1px solid var(--line);padding:28px;--bar:var(--light)}
.block__icon{width:48px;height:48px;min-height:0;margin-bottom:16px}
.block h3{font-size:1rem;text-transform:uppercase;letter-spacing:.04em}
@media (max-width:860px){.blocks{grid-template-columns:1fr}}
.cta-band{text-align:center}
.cta-band .actions{justify-content:center}
.cta-band .bars{max-width:620px;margin:16px auto}

/* ---------- Pie de página ---------- */
.footer{position:relative;padding:64px 0 24px;background:var(--ink);color:#fff;--bar:rgba(255,255,255,.3);--title:#fff}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer h4{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:16px}
.footer__logo{width:150px;height:46px;margin-bottom:16px}
.footer__links li{margin:8px 0;font-size:.9rem}
.footer__links a{text-decoration:none;opacity:.9}
.socials{display:flex;flex-wrap:wrap;gap:10px}
.social{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:2px solid rgba(255,255,255,.6);font-size:.68rem;font-weight:800;letter-spacing:.05em}
.social--wa{background:#fff;color:var(--ink);border-color:#fff}
.platforms{display:flex;flex-direction:column;gap:10px}
.platform{height:44px;min-height:0}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.2);font-size:.78rem;opacity:.75}
@media (max-width:900px){.footer__grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer__grid{grid-template-columns:1fr}}

/* ---------- Botón flotante: mostrar/ocultar notas ---------- */
.wf-toggle{position:fixed;z-index:200;right:16px;bottom:16px;padding:12px 16px;border:0;border-radius:999px;background:#1b1430;color:#fff;font-family:inherit;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.wf-toggle::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:middle}
body.notes-off .wf-toggle::before{background:#8a8a8a}

/* =========================================================
   Componentes extra (reutilizables entre cascarones)
   ========================================================= */

/* ---------- Hero con video ---------- */
.hero__play{position:absolute;z-index:2;top:50%;right:18%;width:84px;height:84px;transform:translateY(-50%)}
@media (max-width:860px){.hero__play{right:50%;top:auto;bottom:72px;transform:translateX(50%)}}

/* ---------- Nota de "redirección" bajo un botón ---------- */
.redirect{display:block;width:max-content;max-width:100%;margin-top:8px;font-size:.66rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:3px 10px;border:1px dashed currentColor;border-radius:3px;opacity:.8}
.actions .redirect{flex-basis:100%}
body.notes-off .redirect{display:none}

/* ---------- Tarjetas de 3 columnas ---------- */
.cards--3{grid-template-columns:repeat(3,1fr);gap:28px}
@media (max-width:960px){.cards--3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.cards--3{grid-template-columns:1fr}}
.card .actions{margin-top:16px}
.card .btn{min-height:40px;padding:0 18px;font-size:.74rem}

/* ---------- Carrusel / slider ---------- */
.slider{position:relative}
.slider__track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none}
.slider__track::-webkit-scrollbar{display:none}
.slide{flex:0 0 100%;scroll-snap-align:start;padding:0 56px}
@media (max-width:860px){.slide{padding:0}}
.slider__dots{display:flex;justify-content:center;gap:10px;margin-top:28px}
.slider__dots button{width:12px;height:12px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.35);cursor:pointer}
.slider__dots button.is-active{background:#fff}
.sec:not(.sec--mid):not(.sec--dark) .slider__dots button{background:var(--light)}
.sec:not(.sec--mid):not(.sec--dark) .slider__dots button.is-active{background:var(--ink)}
.slider__arrow{position:absolute;z-index:3;top:50%;width:44px;height:44px;border-radius:50%;border:2px solid currentColor;background:transparent;color:inherit;font-size:1.1rem;cursor:pointer;transform:translateY(-50%)}
.slider__arrow--prev{left:0}.slider__arrow--next{right:0}
@media (max-width:860px){.slider__arrow{display:none}}

/* ---------- Franja de logos / pastillas (financiamiento, aliados) ---------- */
.sec--strip{padding:44px 0}
.strip{display:flex;gap:18px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.strip__track{display:flex;gap:18px;flex:none;animation:strip 28s linear infinite}
.strip:hover .strip__track{animation-play-state:paused}
.strip__item{flex:none;width:160px;height:52px;min-height:0;border-radius:999px}
@keyframes strip{to{transform:translateX(calc(-100% - 18px))}}
@media (prefers-reduced-motion:reduce){.strip__track{animation:none}.strip{overflow-x:auto}}

/* ---------- Pestañas ---------- */
.tabs{display:flex;margin-bottom:24px;border:2px solid var(--ink);border-radius:var(--radius);overflow:hidden}
.tabs button{flex:1;min-height:46px;border:0;background:transparent;color:var(--ink);font:inherit;font-weight:700;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.tabs button.is-active{background:var(--ink);color:#fff}
.tab-panel[hidden]{display:none}

/* ---------- Tabla de especificaciones ---------- */
.specs{width:100%;border-collapse:collapse;background:var(--white);color:var(--ink);border:1px solid var(--line)}
.specs th,.specs td{padding:14px 18px;border-bottom:1px solid rgba(43,31,68,.15);text-align:left;vertical-align:middle}
.specs th{width:38%;font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mid)}
.specs td{--bar:var(--light)}
.specs td .bar{margin:0}

/* ---------- Galería de miniaturas ---------- */
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px}
.thumbs .ph{aspect-ratio:1/1;min-height:0}

/* ---------- Cifras ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.stat{text-align:center;padding:24px 12px;border:1px solid var(--line)}
.stat strong{display:block;font-size:2rem;line-height:1;margin-bottom:10px}
.stat .bar{margin:0 auto;width:70%}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- Filtros / buscador ---------- */
.filters{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.filters input,.filters select{flex:1 1 200px;min-height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);font:inherit;color:var(--ink)}