:root{--ink:#050505;--ink2:#0e0e0e;--gold:#e8c04a;--gold2:#b8902a;--paper:#f2efe8;--mute:#9b978c;--line:#ffffff1f}
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:clip;background:var(--ink);scroll-behavior:smooth}
body{overflow-x:clip;background:var(--ink);color:var(--paper);font:400 17px/1.6 "Inter","Segoe UI",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:"Manrope","Inter",sans-serif;letter-spacing:-.02em;line-height:1.04}
.eye{font:600 12px/1 "Inter",sans-serif;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
em{font-style:normal;color:var(--gold)}

/* menú fijo */
.nav{position:fixed;inset:0 0 auto 0;z-index:30;height:calc(68px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 20px 0;display:flex;align-items:center;gap:20px;background:#050505;border-bottom:1px solid var(--line)}
.nav .logo img{height:46px;width:auto;mix-blend-mode:lighten}
.nav ul{list-style:none;display:flex;gap:6px;margin-left:auto}
.nav ul a{position:relative;display:block;padding:14px 14px;font:500 12px/1 "Manrope","Inter",sans-serif;letter-spacing:.2em;text-transform:uppercase;text-decoration:none;color:var(--paper);opacity:.78;min-height:44px;transition:color .3s,opacity .3s}
.nav ul a::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.nav ul a:hover::after,.nav ul a[aria-current]::after{transform:scaleX(1)}
.nav ul a:hover,.nav ul a[aria-current]{opacity:1;color:var(--gold)}
.nav .cta{font:700 12px/1 "Manrope","Inter",sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--ink);background:var(--gold);padding:0 18px;border-radius:99px;text-decoration:none;min-height:44px;display:flex;align-items:center}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:#0a0a0a;position:relative;cursor:pointer}
.burger i{position:absolute;left:13px;right:13px;height:2px;background:var(--gold);transition:transform .3s,top .3s}
.burger i:nth-child(1){top:17px}.burger i:nth-child(2){top:25px}
.menu-open .burger i:nth-child(1){top:21px;transform:rotate(45deg)}
.menu-open .burger i:nth-child(2){top:21px;transform:rotate(-45deg)}

/* cabecera de página interna */
.phero{position:relative;min-height:56vh;min-height:56svh;display:flex;align-items:flex-end;padding:120px 24px 44px;overflow:hidden;background:#050505}
.phero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:translateZ(0)}
.phero::after{content:"";position:absolute;inset:0;background:linear-gradient(#050505b3,#0000 30%,#05050066 60%,#050505)}
.phero .in{position:relative;z-index:1;max-width:1100px;margin:0 auto;width:100%}
.phero h1{font-size:clamp(34px,5.6vw,72px);font-weight:800;max-width:15ch;text-shadow:0 2px 30px #000a}
.phero p.lead{margin-top:14px;max-width:46ch;font-size:clamp(17px,2vw,21px);color:#e7e3d8}
.btn{display:inline-flex;align-items:center;gap:10px;margin-top:28px;font:700 15px/1 "Inter",sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);background:linear-gradient(135deg,#f6d768,var(--gold2));padding:18px 30px;border-radius:99px;text-decoration:none;min-height:52px;box-shadow:0 10px 40px #e8c04a40;border:0;cursor:pointer}
.btn.ghost{background:none;color:var(--gold);border:1px solid var(--gold);box-shadow:none}

/* secciones */
.sec{padding:clamp(56px,7vw,96px) 24px}
.wrap{max-width:1100px;margin:0 auto}
.sec h2{font-size:clamp(30px,4.4vw,60px);font-weight:800;max-width:18ch}
.rv{opacity:0;transform:translate3d(0,28px,0);transition:opacity .7s,transform .7s}
.rv.in{opacity:1;transform:none}

/* selector (perilla / deslizador) */
.sel{margin-top:48px;display:grid;grid-template-columns:minmax(260px,420px) 1fr;gap:clamp(28px,6vw,80px);align-items:center}
.sel .ctl{display:grid;place-items:center}
.sel .out .big{font:800 clamp(28px,4vw,52px)/1.05 "Manrope","Inter",sans-serif;letter-spacing:-.02em;min-height:2.2em}
.sel .out .big b{color:var(--gold)}
.sel .out ol{list-style:none;margin-top:22px;display:flex;flex-wrap:wrap;gap:8px}
.sel .out li button{font:600 13px/1 "Inter",sans-serif;color:var(--mute);background:none;border:1px solid var(--line);border-radius:99px;padding:12px 16px;min-height:44px;cursor:pointer;transition:all .25s}
.sel .out li button[aria-checked=true]{color:var(--ink);background:var(--gold);border-color:var(--gold)}
/* perilla */
.knobx{position:relative;width:min(78vw,340px);aspect-ratio:1;touch-action:none;cursor:grab;border-radius:50%;outline:none}
.knobx svg{width:100%;height:100%;display:block}
.knobx .d{transform-origin:50% 50%;transition:transform .35s cubic-bezier(.2,.9,.3,1.2)}
.knobx.drag .d{transition:none}
.knobx:focus-visible{box-shadow:0 0 0 3px var(--gold)}
/* deslizador */
.slx{position:relative;width:100%;height:96px;touch-action:pan-y;cursor:grab;outline:none}
.slx .tr{position:absolute;left:28px;right:28px;top:50%;height:8px;margin-top:-4px;border-radius:8px;background:linear-gradient(90deg,#2a8fd4,#bfe6ff 50%,var(--gold))}
.slx .dt{position:absolute;top:50%;width:2px;height:22px;margin-top:-11px;background:#ffffff66}
.slx .th{position:absolute;top:50%;left:0;width:56px;height:56px;margin:-28px 0 0 -28px;touch-action:none}
.slx .th svg{width:100%;height:100%;display:block;filter:drop-shadow(0 6px 14px #000a)}
.slx.drag{cursor:grabbing}
.slx:focus-visible .th{outline:2px solid var(--gold);outline-offset:4px;border-radius:50%}

/* antes y después */
.ba{position:relative;margin-top:48px;aspect-ratio:16/9;overflow:hidden;border-radius:4px;touch-action:pan-y;user-select:none;background:#000}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba .gr{filter:grayscale(1) brightness(.55) contrast(1.1);clip-path:inset(0 var(--r,50%) 0 0)}
.ba .tag{position:absolute;bottom:18px;font:800 clamp(14px,2vw,22px)/1 "Manrope",sans-serif;letter-spacing:.08em;text-transform:uppercase;text-shadow:0 2px 12px #000}
.ba .t1{left:20px;color:#cfcfcf}.ba .t2{right:20px;color:var(--gold)}
.ba .hd{position:absolute;top:0;bottom:0;left:calc(100% - var(--r,50%));width:44px;margin-left:-22px;touch-action:none;cursor:ew-resize;outline:none}
.ba .hd::before{content:"";position:absolute;left:21px;top:0;bottom:0;width:2px;background:var(--gold)}
.ba .hd span{position:absolute;left:0;top:50%;width:44px;height:44px;margin-top:-22px;border-radius:50%;background:var(--gold);color:var(--ink);display:grid;place-items:center;font:800 16px/1 sans-serif}
.ba .hd:focus-visible span{box-shadow:0 0 0 3px #fff}

/* lista de razones */
.why{margin-top:48px;border-top:1px solid var(--line)}
.why li{list-style:none;display:grid;grid-template-columns:64px 1fr;gap:12px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line)}
.why b{font:800 15px/1 "Manrope",sans-serif;color:var(--gold);letter-spacing:.12em}
.why span{font:700 clamp(21px,3vw,34px)/1.2 "Manrope","Inter",sans-serif;letter-spacing:-.01em}
.brands{list-style:none;margin-top:48px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.brands li{display:grid;place-items:center;min-height:130px;padding:26px 28px;border-radius:4px;background:#f4f5f5;transition:transform .35s,box-shadow .35s}
.brands li img{max-width:100%;max-height:64px;width:auto;height:auto;object-fit:contain}
.brands li:hover{transform:translateY(-4px);box-shadow:0 14px 40px #e8c04a30}

/* contacto */
.big-wa{display:block;font:800 clamp(34px,7vw,96px)/1 "Manrope","Inter",sans-serif;letter-spacing:-.02em;color:var(--gold);text-decoration:none;margin-top:28px;word-break:break-word}
.big-wa:hover{color:#fff}
.lines{margin-top:40px;border-top:1px solid var(--line)}
.lines div{display:flex;justify-content:space-between;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);font-size:18px}
.lines span{color:var(--mute)}
.lines a{text-decoration:none;font-weight:600}

/* pie */
.foot{padding:56px 24px 40px;border-top:1px solid var(--line);background:var(--ink)}
.foot .wrap{display:flex;flex-wrap:wrap;gap:24px 48px;align-items:center;justify-content:space-between}
.foot img{height:50px;mix-blend-mode:lighten}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 20px}
.foot nav a{font:600 13px/1 "Inter",sans-serif;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;color:var(--mute);padding:12px 0;min-height:44px;display:inline-flex;align-items:center}
.foot nav a:hover{color:var(--gold)}
.foot small{width:100%;color:#6d6a62;font-size:13px}

@media (max-width:900px){
  .nav{background:#050505}
  .burger{display:block;margin-left:auto}
  .nav .cta{display:none}
  .nav ul{position:fixed;inset:calc(68px + env(safe-area-inset-top)) 0 0 0;background:#050505;flex-direction:column;gap:0;padding:12px 24px;margin:0;transform:translate3d(0,-110%,0);transition:transform .4s;overflow:auto}
  .menu-open .nav ul{transform:none}
  .nav ul a{font-size:20px;padding:22px 0;border-bottom:1px solid var(--line);letter-spacing:.14em;opacity:1}
  .nav ul a::after{display:none}
  .phero{padding:104px 20px 36px;min-height:52svh}
  .sel{grid-template-columns:1fr}
  .sec{padding:72px 20px}
  .ba{aspect-ratio:4/5}
  .why li{grid-template-columns:44px 1fr}
}

.lines a,.lines b{text-align:right;word-break:break-all;font-size:15px}

@media (max-width:900px){.brands{grid-template-columns:repeat(2,1fr)}}

.brands li:nth-child(6) img{max-height:92px}

.brands{grid-auto-rows:120px}
.brands li{min-height:0;padding:14px 20px}
#marcas{scroll-margin-top:80px}
@media (max-width:900px){.brands{grid-auto-rows:112px;gap:12px}.brands li{padding:12px 14px}.brands li img{max-height:52px}.brands li:nth-child(6) img{max-height:84px}}
@media (max-width:900px){
  .sel{margin-top:28px;gap:20px 16px}
  .sel[data-kind=knob]{grid-template-columns:128px 1fr;align-items:center}
  .sel[data-kind=knob] .out{display:contents}
  .sel[data-kind=knob] .ctl{grid-column:1;grid-row:1}
  .sel[data-kind=knob] .knobx{width:128px}
  .sel[data-kind=knob] .big{grid-column:2;grid-row:1;font-size:26px;min-height:0}
  .sel[data-kind=knob] ol{grid-column:1/-1;margin-top:0}
  .sel[data-kind=knob] .btn{grid-column:1/-1;justify-self:start;margin-top:4px}
  .sel .out .big{font-size:26px;min-height:0}
  .sel .out ol{margin-top:14px}
  .slx{height:84px}
}

/* WhatsApp flotante, discreto */
.wa-float{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:25;display:flex;align-items:center;gap:8px;height:40px;padding:0 14px 0 10px;border-radius:99px;background:#0b0b0bf2;border:1px solid #e8c04a55;color:var(--paper);text-decoration:none;font:600 12px/1 "Manrope","Inter",sans-serif;letter-spacing:.06em;opacity:.9;transition:opacity .3s,border-color .3s,transform .3s;transform:translateZ(0)}
.wa-float svg{width:20px;height:20px;color:#e8c04a;flex:none}
.wa-float:hover,.wa-float:focus-visible{opacity:1;border-color:var(--gold);transform:translate3d(0,-2px,0)}
.foot{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
@media (max-width:480px){.wa-float{right:12px;bottom:calc(12px + env(safe-area-inset-bottom));height:38px;padding:0 12px 0 9px;font-size:11.5px}}
/* WhatsApp flotante: más vistoso */
.wa-float{height:50px;padding:0 20px 0 14px;gap:10px;background:linear-gradient(135deg,#f6d768,#b8902a);border:0;color:#0a0a0a;font-size:15px;font-weight:800;letter-spacing:.05em;opacity:1;box-shadow:0 8px 30px #e8c04a55,0 2px 10px #000a}
.wa-float svg{width:26px;height:26px;color:#0a0a0a}
.wa-float:hover,.wa-float:focus-visible{transform:translate3d(0,-3px,0);box-shadow:0 12px 40px #e8c04a88,0 2px 10px #000a}
@media (hover:hover) and (min-width:901px){
  .wa-float::after{content:"";position:absolute;inset:0;border-radius:99px;border:2px solid #e8c04a;animation:waPulse 2.6s ease-out infinite;pointer-events:none}
  @keyframes waPulse{0%{transform:scale(1);opacity:.8}70%,100%{transform:scale(1.28,1.5);opacity:0}}
}
@media (max-width:480px){.wa-float{height:46px;padding:0 16px 0 12px;font-size:14px}.wa-float svg{width:24px;height:24px}}

.phero .eye{text-shadow:0 1px 14px #000,0 0 3px #000a}
.social{display:flex;gap:14px;margin-top:44px}
.social a{width:56px;height:56px;border-radius:50%;border:1px solid #e8c04a66;display:grid;place-items:center;color:var(--gold);background:var(--ink2);transition:background .3s,color .3s,transform .3s,border-color .3s}
.social a svg{width:26px;height:26px}
.social a:hover,.social a:focus-visible{background:var(--gold);color:#0a0a0a;border-color:var(--gold);transform:translate3d(0,-3px,0)}