/* Air Devices MX · Hoja de estilos
   Sistema: blanco, humo, grafito y un acento azul. Tipografía Inter. */
@font-face{font-family:"Inter";font-weight:400;font-style:normal;font-display:swap;src:url("../assets/fonts/inter-400.woff") format("woff")}
@font-face{font-family:"Inter";font-weight:500;font-style:normal;font-display:swap;src:url("../assets/fonts/inter-500.woff") format("woff")}
@font-face{font-family:"Inter";font-weight:600;font-style:normal;font-display:swap;src:url("../assets/fonts/inter-600.woff") format("woff")}
@font-face{font-family:"Inter";font-weight:700;font-style:normal;font-display:swap;src:url("../assets/fonts/inter-700.woff") format("woff")}

:root{
  --ink:#111113; --white:#fff; --smoke:#F5F5F7; --steel:#6B6D75; --line:#E3E3E7;
  --blue:#4C5CFF; --blue2:#AEB6FF; --mid:#4A4B51;
  --r:22px; --wrap:1160px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.wrap{width:min(var(--wrap),100% - 48px);margin-inline:auto}
.wrap--narrow{width:min(760px,100% - 48px)}

/* Texto */
.grad{background:linear-gradient(100deg,var(--blue) 0%,var(--blue2) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--steel)}
.display{font-size:clamp(40px,8vw,88px);font-weight:600;line-height:1.03;letter-spacing:-.035em}
.h2{font-size:clamp(32px,5vw,56px);font-weight:600;line-height:1.06;letter-spacing:-.03em}
.h2--light{color:#fff}
.lead{font-size:clamp(17px,2vw,21px);color:var(--mid);max-width:620px}
.lead--light{color:#B9BAC1}
.sub{color:var(--steel);margin-top:10px;font-size:17px}

/* Botones y enlaces */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:980px;padding:13px 26px;font-weight:600;font-size:15px;transition:transform .2s,background .2s,box-shadow .2s}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:#3b4bf0;transform:translateY(-1px);box-shadow:0 8px 24px rgba(76,92,255,.35)}
.btn--block{width:100%}
.link{font-weight:500;font-size:15px;color:var(--blue)}
.link:hover{text-decoration:underline}
.link--light{color:#C9CDFF}
.link--btn{margin-top:10px;color:var(--steel);font-size:13px}

/* Navegación */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.78);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-color:var(--line)}
.nav__in{width:min(var(--wrap),100% - 48px);margin-inline:auto;height:56px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav__links{display:flex;gap:28px;font-size:13px;font-weight:500;color:var(--mid)}
.nav__links a:hover{color:var(--ink)}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.logo__iso{width:22px;height:auto}
.logo__word{font-weight:700;font-size:14px;letter-spacing:.15em}
.logo__chip{font-size:9px;font-weight:600;letter-spacing:.1em;color:var(--blue);border:1px solid var(--blue);border-radius:4px;padding:2px 5px}
.cartbtn{position:relative;width:40px;height:40px;display:grid;place-items:center;border-radius:50%;transition:background .2s}
.cartbtn:hover{background:var(--smoke)}
.cartbtn__n{position:absolute;top:2px;right:0;min-width:17px;height:17px;border-radius:9px;background:var(--blue);color:#fff;font-size:10px;font-weight:700;display:grid;place-items:center;padding:0 4px}
.cartbtn__n.bump{animation:bump .35s}
@keyframes bump{50%{transform:scale(1.35)}}

/* Hero */
.hero{background:var(--ink);color:#fff;text-align:center;overflow:hidden;position:relative}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:60%;background:radial-gradient(60% 70% at 50% 100%,rgba(76,92,255,.38),transparent 70%);pointer-events:none}
.hero__in{padding:clamp(64px,10vw,120px) 0 0;display:flex;flex-direction:column;align-items:center;gap:22px;position:relative;z-index:1}
.hero .eyebrow{color:#8B8D94}
.hero .lead{color:#B9BAC1}
.hero__cta{display:flex;align-items:center;gap:26px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.hero__stage{margin-top:28px;width:min(440px,78vw)}
.hero__img{width:100%;height:auto;filter:drop-shadow(0 30px 60px rgba(76,92,255,.35));animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-12px)}}

/* Valores */
.values{padding:56px 0;border-bottom:1px solid var(--line)}
.values__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.value svg{width:34px;height:34px;fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
.value h3{font-size:17px;font-weight:600;letter-spacing:-.01em}
.value p{color:var(--steel);font-size:15px;margin-top:4px}

/* Colecciones */
.tiles{padding:12px 0 0;background:var(--white)}
.tiles__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding-top:12px}
.tile{position:relative;border-radius:var(--r);overflow:hidden;min-height:480px;display:flex;flex-direction:column;align-items:center;text-align:center;padding:48px 32px 0;transition:transform .4s}
.tile:hover{transform:scale(1.008)}
.tile--dark{background:var(--ink);color:#fff}
.tile--light{background:var(--smoke)}
.tile__txt{display:flex;flex-direction:column;align-items:center;gap:10px;position:relative;z-index:1}
.tile h2{font-size:clamp(28px,3.6vw,42px);font-weight:600;letter-spacing:-.03em;line-height:1.08}
.tile img{margin-top:auto;width:min(300px,70%);height:auto;transform:translateY(8%);transition:transform .5s}
.tile:hover img{transform:translateY(2%) scale(1.04)}

/* Catálogo */
.catalog{padding:clamp(72px,9vw,120px) 0;scroll-margin-top:56px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:32px 0 28px}
.chip{padding:9px 18px;border-radius:980px;border:1px solid var(--line);font-size:14px;font-weight:500;color:var(--mid);transition:all .2s}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--smoke);border-radius:var(--r);padding:20px 20px 22px;display:flex;flex-direction:column;transition:transform .35s,box-shadow .35s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(17,17,19,.08)}
.card__img{aspect-ratio:1;display:grid;place-items:center;position:relative}
.card__img img{width:78%;height:auto;transition:transform .5s}
.card:hover .card__img img{transform:scale(1.05)}
.card__tag{position:absolute;top:0;left:0;font-size:11px;font-weight:600;color:var(--blue);background:#fff;border-radius:980px;padding:4px 10px}
.card h3{font-size:16px;font-weight:600;letter-spacing:-.01em;margin-top:8px}
.card p{font-size:13.5px;color:var(--steel);margin-top:4px;flex:1}
.card__row{display:flex;align-items:center;justify-content:space-between;margin-top:16px}
.price{font-size:17px;font-weight:600;letter-spacing:-.01em}
.add{background:var(--blue);color:#fff;font-size:13px;font-weight:600;border-radius:980px;padding:8px 16px;transition:background .2s,transform .15s}
.add:hover{background:#3b4bf0}
.add:active{transform:scale(.96)}
.empty{grid-column:1/-1;color:var(--steel);padding:40px 0}

/* Mayoreo */
.wholesale{background:var(--ink);color:#fff;padding:clamp(72px,9vw,120px) 0}
.wholesale__in{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center}
.wholesale .eyebrow{margin-bottom:16px;color:#8B8D94}
.wholesale .lead{margin:20px 0 32px}
.wholesale__list{list-style:none;display:grid;gap:12px}
.wholesale__list li{background:#1B1C20;border-radius:18px;padding:22px 24px;display:flex;flex-direction:column;gap:4px}
.wholesale__list strong{font-weight:600;font-size:17px}
.wholesale__list span{color:#8B8D94;font-size:14.5px}

/* Cómo comprar */
.how{padding:clamp(72px,9vw,120px) 0;background:var(--white)}
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:48px}
.steps li{border-top:2px solid var(--ink);padding-top:20px}
.steps__n{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--blue)}
.steps h3{font-size:24px;font-weight:600;letter-spacing:-.02em;margin:10px 0 6px}
.steps p{color:var(--steel);font-size:15.5px}

/* FAQ */
.faq{padding:0 0 clamp(72px,9vw,120px);background:var(--white)}
.faq .h2{margin-bottom:28px}
details{border-top:1px solid var(--line);padding:22px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;font-size:18px;font-weight:500;letter-spacing:-.01em;display:flex;justify-content:space-between;align-items:center;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:26px;font-weight:300;color:var(--steel);transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--steel);margin-top:12px;max-width:640px}

/* Footer */
.footer{background:var(--smoke);padding:56px 0 32px;font-size:13px;color:var(--steel)}
.footer__in{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:32px;border-bottom:1px solid var(--line)}
.footer__claim{margin-top:12px;font-size:14px}
.footer__nav{display:flex;gap:24px;flex-wrap:wrap;align-items:flex-start;font-weight:500;color:var(--mid)}
.footer__nav a:hover{color:var(--ink)}
.footer__legal{padding-top:24px;display:grid;gap:8px;line-height:1.6}
.footer__legal p{max-width:780px}

/* WhatsApp flotante */
.wafab{position:fixed;right:20px;bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:40;width:54px;height:54px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(17,17,19,.3);transition:transform .2s,background .2s}
.wafab:hover{transform:scale(1.07);background:var(--blue)}

/* Carrito */
.overlay{position:fixed;inset:0;background:rgba(17,17,19,.45);backdrop-filter:blur(4px);z-index:60;opacity:0;transition:opacity .3s}
.overlay.on{opacity:1}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(420px,100%);background:#fff;z-index:70;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .38s cubic-bezier(.22,.8,.2,1),visibility .38s,box-shadow .38s;visibility:hidden}
.drawer.on{transform:none;visibility:visible;box-shadow:-20px 0 60px rgba(17,17,19,.15)}
.drawer__head{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line)}
.drawer__head h2{font-size:20px;font-weight:600;letter-spacing:-.02em}
.x{font-size:30px;line-height:1;color:var(--steel);width:36px;height:36px;border-radius:50%}
.x:hover{background:var(--smoke)}
.drawer__body{flex:1;overflow:auto;padding:8px 24px}
.empty-cart{color:var(--steel);text-align:center;padding:64px 0}
.line{display:grid;grid-template-columns:64px 1fr auto;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.line img{width:64px;height:64px;background:var(--smoke);border-radius:14px;padding:6px}
.line h4{font-size:14.5px;font-weight:600;letter-spacing:-.01em}
.line small{color:var(--steel);font-size:13px}
.qty{display:inline-flex;align-items:center;gap:10px;margin-top:6px}
.qty button{width:26px;height:26px;border-radius:50%;border:1px solid var(--line);font-size:15px;line-height:1}
.qty button:hover{border-color:var(--ink)}
.qty span{font-size:14px;font-weight:600;min-width:16px;text-align:center}
.line__p{font-weight:600;font-size:15px}
.drawer__foot{padding:20px 24px 24px;border-top:1px solid var(--line);background:#fff}
.total{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}
.total strong{font-size:24px;font-weight:600;letter-spacing:-.02em}
.note{font-size:12.5px;color:var(--steel);margin-bottom:16px}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,24px);background:var(--ink);color:#fff;padding:12px 22px;border-radius:980px;font-size:14px;font-weight:500;opacity:0;pointer-events:none;transition:all .3s;z-index:90}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* Aparición */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s cubic-bezier(.22,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media (max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}.wholesale__in{grid-template-columns:1fr;gap:36px}}
@media (max-width:760px){
  .nav__links{display:none}
  .values__grid,.steps{grid-template-columns:1fr;gap:28px}
  .tiles__grid{grid-template-columns:1fr}
  .tile{min-height:420px}
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .card{padding:14px 14px 16px}
  .card__row{flex-direction:column;align-items:flex-start;gap:10px}
  .add{width:100%}
}
@media (max-width:420px){.grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .hero__img{animation:none}
  *{transition-duration:.01ms!important}
}

/* Inventario en la tienda */
.card__tag--out{color:var(--steel)}
.card--out .card__img img{opacity:.45;filter:grayscale(1)}
.add:disabled{background:var(--line);color:var(--steel);cursor:not-allowed}
.price__was{font-size:13px;font-weight:500;color:var(--steel);margin-left:4px}
.qty button:disabled{opacity:.3;cursor:not-allowed}
.line small{display:block;margin-bottom:6px}