/* ════════════════════════════════════════════════════════════
   HECHO PARA VENDER
   Esquema de una ficha → piezas reales (HTML) → móvil con la ficha de
   Avena Nocturna (Assets/ficha-avena.webp).
   Una sola tanda de líneas: zona del esquema → pieza.
   Usa los tokens de css/landing.css y css/brand.css.
   ════════════════════════════════════════════════════════════ */

.bts{padding-block:var(--section-pad);background:var(--bg);position:relative;overflow:hidden;
  --bts-accent:var(--c-sky,#3fb2ff);
  --bts-ease:cubic-bezier(.16,1,.3,1);
  --bts-chip:#151a24;
  --bts-hair:rgba(255,255,255,.09);
  --bts-shadow:0 12px 32px rgba(0,0,0,.38),0 1px 0 rgba(255,255,255,.04) inset;
  --bts-sk:rgba(255,255,255,.06);
  --bts-sk-line:rgba(255,255,255,.08);
  --bts-ok:#22c55e;
  --bts-phone-w:330px}
[data-theme="light"] .bts{
  --bts-accent:var(--c-deep,#2a62f0);
  --bts-chip:#ffffff;
  --bts-hair:rgba(16,24,40,.1);
  --bts-shadow:0 10px 28px rgba(20,30,60,.09);
  --bts-sk:rgba(16,24,40,.05);
  --bts-sk-line:rgba(16,24,40,.08);
  --bts-ok:#16a34a}
.bts-container{position:relative;max-width:var(--page-max);margin:0 auto;padding-inline:var(--page-gutter)}

/* ── CABECERA ── */
.bts-head{max-width:760px;margin-bottom:56px}
.bts-title{font-size:clamp(1.9rem,3.4vw,2.6rem);font-weight:900;letter-spacing:-.03em;line-height:1.15;color:var(--text-1);margin-bottom:16px}
.bts-desc{font-size:15px;line-height:1.65;color:var(--text-2);max-width:600px}

.bts-col-label{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;line-height:16px;color:var(--text-2);margin:0 0 16px}
.bts-mockup .bts-col-label{color:var(--bts-accent)}

/* ── COMPOSICIÓN ── */
.bts-composition{position:relative;display:grid;grid-template-columns:330px minmax(0,1fr) 340px;column-gap:56px;align-items:stretch}
.bts-connectors{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:3;overflow:visible}

/* ── LÍNEAS ── (pathLength=1; sin JS no hay líneas) */
.bts-line{fill:none;stroke:var(--bts-accent);stroke-width:1.25;stroke-linejoin:round;stroke-linecap:round;opacity:.7;
  stroke-dasharray:1;stroke-dashoffset:0;transition:opacity .3s ease,stroke-width .3s ease}
.bts-end{fill:var(--bts-accent);stroke:var(--bg);stroke-width:2;transition:fill .3s ease,opacity .3s ease}
.bts.is-armed .bts-line{stroke-dashoffset:1}
.bts.is-armed .bts-end{opacity:0}
.bts.is-armed .bts-link.is-drawn .bts-line{stroke-dashoffset:0;transition:stroke-dashoffset .5s var(--bts-ease),opacity .3s ease,stroke-width .3s ease}
.bts.is-armed .bts-link.is-drawn .bts-end--a,.bts.is-armed .bts-link.is-done .bts-end--b{opacity:1}
.bts.has-active .bts-link{opacity:.25;transition:opacity .3s ease}
.bts.has-active .bts-link.is-active{opacity:1}
.bts-link.is-active .bts-line{opacity:1;stroke-width:1.75}

/* ── ESQUELETO ── */
.bts-skeleton{display:flex;flex-direction:column;position:relative;z-index:2}
.bts-skeleton .bts-col-label{white-space:nowrap}
.bts-skel{flex:1;display:flex;flex-direction:column;justify-content:space-between;gap:14px;padding:18px;border-radius:18px;
  background:var(--surface);border:1px solid var(--border);color:var(--text-3)}
.bts-skel span,.bts-skel i{display:block;background:var(--bts-sk-line);border-radius:4px}

.bts-sk-gallery{display:flex;flex-direction:column;gap:6px}
.bts-sk-main{height:132px;border-radius:10px;background:var(--bts-sk);display:grid;place-items:center}
.bts-sk-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:5px}
.bts-skel .bts-sk-thumbs span{height:24px;border-radius:5px;background:var(--bts-sk)}
.bts-sk-title{display:flex;flex-direction:column;gap:8px}
.bts-skel .bts-sk-title span{height:10px}

/* Zonas con pieza: se iluminan en la secuencia y al hover */
.bts-sk-zone{position:relative;border-radius:8px;outline:1px solid transparent;outline-offset:4px;
  transition:outline-color .35s var(--bts-ease),box-shadow .35s var(--bts-ease)}
.bts-sk-zone.is-lit{outline-color:color-mix(in srgb,var(--bts-accent) 35%,transparent)}
.bts-sk-zone.is-active{outline-color:var(--bts-accent);box-shadow:0 0 0 6px color-mix(in srgb,var(--bts-accent) 12%,transparent)}

.bts-sk-offer{display:flex;align-items:center;gap:5px;padding:7px 8px;border-radius:7px;background:var(--bts-sk)}
.bts-skel .bts-sk-offer span{flex:1;height:6px}
.bts-skel .bts-sk-offer i{width:16px;height:14px;border-radius:3px}
.bts-sk-rating{display:flex;align-items:center;gap:4px;width:62%}
.bts-skel .bts-sk-rating i{width:9px;height:9px;border-radius:2px}
.bts-skel .bts-sk-rating span{flex:1;height:7px;margin-left:6px}
.bts-sk-packs{display:flex;flex-direction:column;gap:6px}
.bts-skel .bts-sk-packs span{height:26px;border-radius:7px;background:var(--bts-sk);border:1px solid var(--bts-sk-line)}
.bts-sk-gifts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.bts-skel .bts-sk-gifts span{height:40px;border-radius:7px;background:var(--bts-sk);border:1px solid var(--bts-sk-line)}
.bts-sk-btn{height:30px;border-radius:8px;background:var(--bts-sk-line)}
.bts-sk-addon{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:8px;border-radius:9px;border:1px dashed var(--bts-sk-line)}
.bts-skel .bts-sk-addon span{height:26px;border-radius:5px;background:var(--bts-sk)}
.bts-sk-coupon{display:flex;align-items:center;gap:8px;padding:8px;border-radius:7px;background:var(--bts-sk)}
.bts-skel .bts-sk-coupon span{flex:1;height:7px}
.bts-skel .bts-sk-coupon i{width:40px;height:14px;border-radius:4px}
.bts-sk-stock{display:flex;flex-direction:column;gap:8px;padding:9px;border-radius:9px;border:1px solid var(--bts-sk-line)}
.bts-skel .bts-sk-stock span{height:7px}
.bts-skel .bts-sk-stock .bts-sk-bar{height:6px;border-radius:999px;background:linear-gradient(90deg,var(--bts-sk-line) 0 90%,var(--bts-sk) 90%)}

/* ── PIEZAS ── */
.bts-pieces{position:relative;z-index:4;display:flex;flex-direction:column;justify-content:space-between;gap:14px;padding-top:var(--bts-pieces-top,64px)}
.bts-piece{align-self:flex-start;margin-left:var(--x,0);max-width:calc(100% - var(--x,0px));outline:none;border-radius:14px;
  transition:opacity .6s var(--bts-ease),transform .6s var(--bts-ease)}
.bts.is-armed .bts-piece:not(.is-in){opacity:0;transform:translateX(-16px)}
.bts-piece-cap{font-size:12px;font-weight:600;line-height:16px;color:var(--text-2);margin:0 0 6px 2px}
.bts-chip{background:var(--bts-chip);border:1px solid var(--bts-hair);border-radius:14px;box-shadow:var(--bts-shadow);color:var(--text-1);
  font-size:13.5px;line-height:1.35;transition:border-color .3s ease,box-shadow .3s ease}
.bts-chip b{font-weight:800}
.bts-piece.is-active .bts-chip{border-color:color-mix(in srgb,var(--bts-accent) 70%,transparent);
  box-shadow:var(--bts-shadow),0 0 0 3px color-mix(in srgb,var(--bts-accent) 16%,transparent)}
.bts-piece:focus-visible .bts-chip{outline:2px solid var(--bts-accent);outline-offset:3px}

.bts-chip svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* Barra de oferta */
.bts-chip--offer{display:inline-flex;align-items:center;gap:12px;padding:8px 10px 8px 14px;font-weight:600}
.bts-timer{display:inline-flex;gap:5px}
.bts-timer b{display:flex;flex-direction:column;align-items:center;min-width:34px;padding:4px 0 3px;border-radius:7px;
  background:color-mix(in srgb,var(--bts-accent) 14%,transparent);color:var(--text-1);font-size:14px;line-height:1.1;font-variant-numeric:tabular-nums}
.bts-timer small{font-size:11px;font-weight:600;color:var(--text-2)}

/* Valoración */
.bts-chip--rating{display:inline-flex;align-items:center;gap:10px;padding:9px 14px}
.bts-stars{display:inline-flex;gap:2px;color:var(--bts-accent)}
.bts-stars svg{width:16px;height:16px;fill:currentColor;stroke:none}
.bts-rating-txt{color:var(--text-2);white-space:nowrap}
.bts-rating-txt b{color:var(--text-1)}

/* Packs */
.bts-chip--packs{padding:12px}
.bts-packs-title{font-size:13.5px;font-weight:800;margin:0 0 14px 2px}
.bts-packs{display:grid;grid-template-columns:repeat(3,96px);gap:8px}
.bts-pack{position:relative;display:flex;flex-direction:column;align-items:center;gap:2px;padding:14px 6px 10px;border-radius:10px;border:1px solid var(--bts-hair);background:color-mix(in srgb,var(--text-1) 3%,transparent)}
.bts-pack b{font-size:13px;white-space:nowrap}
.bts-pack small{font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums}
.bts-pack.is-selected{border-color:var(--bts-accent);box-shadow:0 0 0 1px var(--bts-accent) inset}
.bts-pill{position:absolute;top:-9px;left:50%;transform:translateX(-50%);white-space:nowrap;font-style:normal;font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;line-height:16px;
  padding:0 8px;border-radius:999px;background:var(--c-deep,#2a62f0);color:#fff}

/* Regalos */
.bts-chip--gifts{display:inline-flex;gap:8px;padding:16px 12px 10px}
.bts-chip--gifts span{position:relative;display:flex;align-items:flex-end;justify-content:center;width:84px;height:46px;padding-bottom:7px;border-radius:9px;
  border:1px solid var(--bts-accent);font-size:12px;font-weight:700}
.bts-chip--gifts em{position:absolute;top:-8px;left:50%;transform:translateX(-50%);font-style:normal;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  line-height:16px;padding:0 7px;border-radius:999px;background:var(--c-deep,#2a62f0);color:#fff}

/* Complemento */
.bts-chip--addon{display:inline-flex;align-items:center;gap:14px;padding:10px 12px 10px 14px;border-style:dashed;color:var(--text-2)}
.bts-chip--addon b{color:var(--text-1)}
.bts-toggle{position:relative;width:34px;height:20px;border-radius:999px;background:var(--bts-accent)}
.bts-toggle::after{content:"";position:absolute;top:3px;right:3px;width:14px;height:14px;border-radius:50%;background:#fff}

/* Cupón */
.bts-chip--coupon{display:inline-flex;align-items:center;gap:16px;padding:9px 9px 9px 14px;background:color-mix(in srgb,var(--c-deep,#2a62f0) 88%,#000);border-color:transparent;color:#fff}
.bts-chip--coupon b{display:block;font-size:15px}
.bts-chip--coupon small{display:block;font-size:11.5px;opacity:.85}
.bts-coupon-btn{padding:7px 14px;border-radius:8px;background:#fff;color:var(--c-deep,#2a62f0);font-size:12.5px;font-weight:800}

/* Unidades limitadas */
.bts-chip--stock{padding:11px 14px 13px;width:310px;max-width:100%}
.bts-chip--stock p{margin:0 0 9px;color:var(--text-2)}
.bts-chip--stock b{color:var(--text-1)}
.bts-stock-row{display:flex;align-items:center;gap:10px}
.bts-stock-row small{font-size:12px;font-weight:800;white-space:nowrap}
.bts-progress{flex:1;display:block;height:7px;border-radius:999px;background:color-mix(in srgb,var(--text-1) 10%,transparent);overflow:hidden}
.bts-progress span{display:block;height:100%;border-radius:inherit;
  background:repeating-linear-gradient(-45deg,#e5484d 0 6px,#f07a7d 6px 12px)}

/* ── MÓVIL REAL (derecha) ──
   Marco de iPhone en CSS; dentro, la captura de la ficha se desplaza
   (transform) hasta la sección activa y un rectángulo la marca. El
   rectángulo va dentro de .bts-phone-pan, así se mueve con la captura. */
.bts-mockup{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;min-width:0}
.bts-phone{position:relative;width:var(--bts-phone-w);aspect-ratio:9/18.6;padding:11px;border-radius:52px;
  background:linear-gradient(145deg,#2b2f37,#0d0f13 55%,#22262d);
  box-shadow:0 0 0 1.5px #3a3f48,0 40px 80px -30px rgba(0,0,0,.75),inset 0 0 0 2px #000}
[data-theme="light"] .bts-phone{box-shadow:0 0 0 1.5px #3a3f48,0 36px 70px -30px rgba(20,30,60,.45),inset 0 0 0 2px #000}
.bts-phone-island{position:absolute;z-index:3;top:22px;left:50%;width:96px;height:28px;border-radius:999px;background:#000;transform:translateX(-50%)}
.bts-phone-view{position:relative;width:100%;height:100%;overflow:hidden;border-radius:42px;background:#fff}
.bts-phone-status{position:absolute;z-index:2;left:0;right:0;top:0;height:var(--bts-status,48px);display:flex;align-items:center;justify-content:space-between;
  padding:4px 30px 0 34px;background:#fff;color:#111;font:600 14px/1 -apple-system,"SF Pro Text",system-ui,sans-serif}
/* cobertura + batería, dibujadas con CSS */
.bts-phone-status i{position:relative;width:24px;height:11px;border:1.5px solid #111;border-radius:3.5px;opacity:.9}
.bts-phone-status i::before{content:"";position:absolute;inset:1.5px 5px 1.5px 1.5px;border-radius:1.5px;background:#111}
.bts-phone-status i::after{content:"";position:absolute;right:-4px;top:2.5px;width:2px;height:4px;border-radius:0 1px 1px 0;background:#111}
.bts-phone-pan{position:absolute;left:0;top:var(--bts-status,48px);width:100%;padding-bottom:14px;background:#fff;transform:translate3d(0,var(--pan,0px),0);transition:transform .9s var(--bts-ease);will-change:transform}
.bts-mockup-img{display:block;width:100%;height:auto}
.bts-hl{position:absolute;left:3%;right:3%;top:var(--hl-top,0%);height:var(--hl-h,0%);border-radius:12px;pointer-events:none;
  border:2.5px solid var(--c-deep,#2a62f0);box-shadow:0 0 0 4px rgba(42,98,240,.22),0 0 0 9999px rgba(10,14,24,.28);opacity:0;
  transition:opacity .35s ease,top .6s var(--bts-ease),height .6s var(--bts-ease)}
.bts.has-active .bts-hl{opacity:1}

/* ════════════════════════════════
   RESPONSIVE
   ════════════════════════════════ */
@media(max-width:1180px){
  .bts-composition{grid-template-columns:230px minmax(0,1fr) 280px;column-gap:56px}
  .bts{--bts-phone-w:280px}
}

/* ≤900: sin esquema ni líneas. Piezas en tira horizontal, móvil centrado. */
@media(max-width:900px){
  .bts-head{margin-bottom:36px}
  .bts-composition{display:flex;flex-direction:column;gap:28px}
  .bts-skeleton,.bts-connectors{display:none}
  .bts-pieces{flex-direction:row;align-items:flex-start;gap:12px;padding:12px var(--page-gutter) 18px;margin-inline:calc(-1 * var(--page-gutter));
    overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-inline:var(--page-gutter);scrollbar-width:none;overscroll-behavior-x:contain}
  .bts-pieces::-webkit-scrollbar{display:none}
  .bts-piece{flex:none;margin-left:0;max-width:none;scroll-snap-align:start}
  .bts-piece:nth-child(even){margin-top:22px}
  .bts-mockup .bts-col-label{text-align:center}
  .bts{--bts-phone-w:min(300px,78vw)}
}

/* ════════════════════════════════
   REDUCED MOTION: estado final, sin secuencia ni desplazamiento animado
   ════════════════════════════════ */
@media(prefers-reduced-motion:reduce){
  .bts-line,.bts-end,.bts-piece,.bts-chip,.bts-sk-zone,.bts-phone-pan,.bts-hl{transition:none !important}
}