/* =====================================================================
   BICIBLE · bicible.css
   Hoja de estilos principal.

   ÍNDICE
   01. Fuentes
   02. Variables (colores, medidas)
   03. Base
   04. Utilidades
   05. Tipografía
   06. Botones y enlaces
   07. Header
   08. Menú móvil (tablet y celular)
   09. Imágenes de sección
   10. Secciones fijas (pin) y partículas
   11. 01 · Inicio
   12. 02 · Experiencias
   13. Marcas (logos de clientes)
   14. 03 · Soluciones
   15. 04 · Proceso
   16. 05 · Bicible
   17. 06 · Hablemos (formulario)
   18. Footer
   19. Ajustes para pantallas bajas
   20. Movimiento reducido (accesibilidad)

   Puntos de quiebre usados:
   ≤900px tablet y celular (menú hamburguesa, header compacto) · ≤700px celular chico
   ===================================================================== */


/* ===== 01. Fuentes (Archivo, alojada localmente) ===== */
@font-face{font-family:'Archivo';font-style:italic;font-weight:100 900;font-stretch:62% 125%;font-display:swap;src:url('../fonts/archivo-italic-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Archivo';font-style:italic;font-weight:100 900;font-stretch:62% 125%;font-display:swap;src:url('../fonts/archivo-italic-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Archivo';font-style:normal;font-weight:100 900;font-stretch:62% 125%;font-display:swap;src:url('../fonts/archivo-normal-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Archivo';font-style:normal;font-weight:100 900;font-stretch:62% 125%;font-display:swap;src:url('../fonts/archivo-normal-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}


/* ===== 02. Variables ===== */
:root{
  color-scheme:light;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);

  /* Colores */
  --bg:#EDEAE4;      /* fondo */
  --bg2:#E6E2DA;
  --ink:#0E0E0E;     /* texto principal */
  --grey:#5E5B55;
  --mute:#6B6862;
  --line:#D3CEC4;    /* líneas divisorias */
  --green:#7BD62B;
  --glow:#9BF03F;

  /* Medidas */
  --f:"Archivo","Arial Narrow",system-ui,sans-serif;
  --pad:clamp(20px,4vw,72px);   /* margen lateral de la página */
  --hud:0px;
  --hh:84px;                    /* alto del header */
  --vidh:34vh;                  /* alto del video del inicio en celular */
  --logo-h:36px;                /* alto del logo Bicible en el header */
}
@supports (height:1svh){:root{--vidh:34svh}}


/* ===== 03. Base ===== */
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:auto;overscroll-behavior-y:none}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.5 var(--f);font-stretch:100%;-webkit-font-smoothing:antialiased;overflow-x:hidden;overscroll-behavior-y:none}
img{max-width:100%;display:block}
a{color:inherit}
button,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:4px}


/* ===== 04. Utilidades ===== */
.wrap{max-width:1920px;margin:0 auto;padding:0 var(--pad)}
.mb18{margin-bottom:18px}
.mb22{margin-bottom:22px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}   /* solo lectores de pantalla */
.grecaptcha-badge{visibility:hidden!important;opacity:0!important;pointer-events:none!important}   /* sello de reCAPTCHA oculto (el aviso legal está en el footer) */

/* Aparición al hacer scroll (la clase .in la pone el JS) */
.rv{opacity:0;transform:translateY(34px);transition:opacity .9s,transform 1s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;transform:none}


/* ===== 05. Tipografía ===== */
.lab{font-size:11.5px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--grey);display:flex;align-items:center;gap:10px}
.hd{font-family:var(--f);font-stretch:62%;font-weight:900;text-transform:uppercase;line-height:.87;letter-spacing:-.012em;margin:0}
.hd span{display:block;white-space:nowrap}
.hd.h3 span{white-space:normal}
.hd .g{color:#74716B}
.hd i{font-style:italic}
.h1{font-size:clamp(44px,min(5.7vw,11.8vh),116px)}
.h2{font-size:clamp(40px,min(5.1vw,10.4vh),100px)}
.h3{font-size:clamp(30px,2.7vw,48px);line-height:.9}
.txt{font-size:clamp(16px,1.15vw,19px);line-height:1.45;max-width:30em;margin:0}
.txt.rule{border-left:1.5px solid var(--ink);padding-left:16px}

@media (max-width:900px){.h1{font-size:10.4vw}}
@media (max-width:700px){.h2{font-size:9vw}}


/* ===== 06. Botones y enlaces ===== */
.btn{display:inline-flex;align-items:center;gap:18px;min-height:52px;padding:0 30px;border-radius:999px;border:1.2px solid var(--ink);background:transparent;text-decoration:none;font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;cursor:pointer;transition:background .25s,color .25s}
.btn.solid{background:var(--ink);color:var(--bg)}
.btn:hover{background:var(--ink);color:var(--bg)}
.btn.solid:hover{background:transparent;color:var(--ink)}
.btn.wide{min-width:min(100%,380px);justify-content:center}
.btn svg,.ulink svg,.circ svg{width:16px;height:16px;flex:none}

/* Enlace subrayado */
.ulink{display:inline-flex;align-items:center;gap:14px;text-decoration:none;padding:9px 0;border-bottom:1.2px solid var(--ink);font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase}
.ulink svg{transition:transform .25s}
.ulink:hover svg{transform:translateX(4px)}

/* Botón circular */
.circ{width:46px;height:46px;border-radius:50%;border:1.2px solid var(--ink);background:transparent;display:inline-grid;place-items:center;cursor:pointer;flex:none;transition:background .25s,color .25s;text-decoration:none}
.circ.solid,.circ:hover{background:var(--ink);color:var(--bg)}

/* "Desliza para…" */
.swipe{display:flex;align-items:center;gap:22px;text-decoration:none}
.swipe .ln{width:clamp(60px,6vw,100px);height:1px;background:var(--ink)}
.swipe .t{font-size:11px;letter-spacing:.22em;line-height:1.8;text-transform:uppercase;font-weight:500}
.down{display:flex;align-items:center;gap:16px;text-decoration:none;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;line-height:1.6;color:var(--grey)}
.down .circ{width:40px;height:40px}

@media (max-width:900px){
  .swipe{display:none}
  .ulink,.down{min-height:44px}   /* áreas táctiles mínimas */
}


/* ===== 07. Header ===== */
header{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .3s,transform .35s cubic-bezier(.2,.8,.2,1)}
header.solid{background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
header .wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:var(--hh);padding-top:env(safe-area-inset-top,0px)}

/* Logo (imagen: logos/Logo-horizontal.png) */
.logo{display:inline-flex;align-items:center;justify-self:start;text-decoration:none;line-height:0}
.logo img{height:var(--logo-h);width:auto;max-width:none}

/* Menú de escritorio */
header nav ul{display:flex;gap:40px;list-style:none;margin:0;padding:0}
header nav a{text-decoration:none;font-size:11.5px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;position:relative;padding:8px 0;opacity:.75}
header nav a:hover,header nav a.on{opacity:1}
header nav a.on::after{content:"";position:absolute;left:50%;bottom:-4px;width:5px;height:5px;border-radius:50%;background:var(--ink);transform:translateX(-50%)}

/* Lado derecho: botón + hamburguesa */
.hr{display:flex;justify-content:flex-end;align-items:center;gap:22px}
.hr .btn{min-height:44px;padding:0 24px}
.burger{width:44px;height:44px;border:0;background:none;cursor:pointer;display:grid;place-items:center end;padding:0;margin:0}
.burger span{display:block;width:24px;height:1.5px;background:var(--ink);box-shadow:0 -7px 0 var(--ink),0 7px 0 var(--ink)}

/* Escritorio y laptop: sin hamburguesa */
@media (min-width:901px){.burger{display:none}}
.hr .btn{white-space:nowrap}
/* Pantallas de 901 a 1180 px (laptop pequeña / tablet horizontal): menú de texto compacto para que quepa */
@media (min-width:901px) and (max-width:1180px){
  header .wrap{column-gap:18px}
  header nav ul{gap:clamp(14px,1.8vw,22px)}
  header nav a{font-size:10.5px;letter-spacing:.12em}
  .logo img{height:30px}
  .hr .btn{padding:0 16px;gap:10px;font-size:11px;letter-spacing:.14em}
}
/* Tablet y celular: header compacto con menú hamburguesa, sin menú de texto ni botón */
@media (max-width:900px){
  :root{--hh:60px;--logo-h:28px}
  header nav{display:none}
  header .wrap{grid-template-columns:1fr auto}
  .hr .btn{display:none}
  .burger{width:40px;height:40px}
  .burger span{width:22px;box-shadow:0 -6px 0 var(--ink),0 6px 0 var(--ink)}
}
@media (max-width:700px){:root{--logo-h:26px}}


/* ===== 08. Menú móvil (pantalla completa) ===== */
.menu{position:fixed;inset:0;z-index:80;background:var(--ink);color:var(--bg);display:flex;flex-direction:column;justify-content:center;gap:4px;padding:0 var(--pad);clip-path:circle(0% at calc(100% - 56px) 42px);transition:clip-path .6s cubic-bezier(.7,0,.2,1);visibility:hidden}
.menu.open{clip-path:circle(150% at calc(100% - 56px) 42px);visibility:visible}
.menu a{font-stretch:62%;font-weight:900;text-transform:uppercase;font-size:clamp(46px,8vw,104px);line-height:.95;text-decoration:none;display:flex;align-items:baseline;gap:22px}
.menu a:hover{color:var(--glow)}
.menu .x{position:absolute;top:calc(20px + env(safe-area-inset-top,0px));right:var(--pad);width:44px;height:44px;border:0;background:none;color:inherit;font-size:32px;cursor:pointer}
/* El círculo de apertura nace en la hamburguesa del header compacto */
@media (max-width:900px){
  .menu{clip-path:circle(0% at calc(100% - 40px) 30px)}
  .menu.open{clip-path:circle(150% at calc(100% - 40px) 30px)}
  .menu .x{top:calc(8px + env(safe-area-inset-top,0px))}
}


/* ===== 09. Imágenes de sección (aparecen con fade; opacidad controlada por JS) ===== */
.media{position:relative;overflow:hidden;background:#1B1B1A;opacity:0}
.media img{display:block;width:100%;height:100%;object-fit:cover}


/* ===== 10. Secciones fijas (pin), paradas y partículas ===== */
.pin{position:relative}
.stage{position:sticky;top:0;height:100svh;min-height:600px;overflow:hidden}
.field{position:absolute;inset:0;width:100%;height:100%}   /* canvas de partículas */
section.s{position:relative;padding:0}
.stop{min-height:100svh;display:flex;align-items:center;position:relative;padding:calc(var(--hh) + clamp(8px,2.5vh,28px)) 0 clamp(20px,4vh,40px)}
.stop>.wrap{width:100%}
.copy{max-width:720px;display:flex;flex-direction:column;gap:22px}
.copy .hd{margin:4px 0 0}


/* ===== 11. 01 · Inicio ===== */
#s01{height:270vh}
#f01{z-index:3;pointer-events:none}
.track{position:absolute;inset:0;display:flex;width:200%;will-change:transform;z-index:4;pointer-events:none}
.scene{width:50%;position:relative;display:flex;align-items:center}
.scene .wrap{width:100%;display:flex;align-items:center;justify-content:space-between;padding-top:70px;padding-bottom:var(--hud)}
.scene .wrap>*{pointer-events:auto}
.sA .swipe{position:absolute;right:var(--pad);bottom:30px;z-index:5}
.sA .swipe .circ{background:var(--bg)}
.sB .wrap{justify-content:flex-end}
.sB .copy{max-width:600px}
.sB .copy>*{opacity:0;transform:translateX(50px);transition:opacity .7s,transform .9s cubic-bezier(.2,.8,.2,1)}
.sB.in .copy>*{opacity:1;transform:none}
.sB.in .copy>:nth-child(2){transition-delay:.06s}
.sB.in .copy>:nth-child(3){transition-delay:.12s}
.sB.in .copy>:nth-child(4){transition-delay:.18s}

/* Video: B/N en la escena 1; el color entra con un barrido que acompaña el desplazamiento */
.hvid{position:absolute;right:0;top:calc(84px + 5vh);bottom:calc(64px + 6vh);width:47%;overflow:hidden;background:#161615;z-index:2;will-change:transform;--s:106%}
.hvid video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.hv-mono{position:absolute;inset:0;
  -webkit-backdrop-filter:grayscale(1) sepia(.14) contrast(1.06) brightness(.9);backdrop-filter:grayscale(1) sepia(.14) contrast(1.06) brightness(.9);
  -webkit-mask-image:linear-gradient(90deg,#000 0,#000 calc(var(--s) - 5%),transparent calc(var(--s) + 1%));mask-image:linear-gradient(90deg,#000 0,#000 calc(var(--s) - 5%),transparent calc(var(--s) + 1%))}
@supports not ((backdrop-filter:grayscale(1)) or (-webkit-backdrop-filter:grayscale(1))){
  .hv-mono{display:none}
  .hvid video{filter:grayscale(var(--g,1)) sepia(calc(var(--g,1)*.14))}
}

@media (max-width:900px){
  #s01{height:250vh}
  .hvid{left:0;width:auto;top:var(--hh);bottom:auto;height:var(--vidh)}
  #s01 .scene{align-items:flex-start}
  .scene .wrap,.sB .wrap{flex-direction:column;align-items:flex-start;justify-content:flex-start;padding-top:calc(var(--hh) + var(--vidh) + 26px);padding-bottom:calc(var(--hud) + 20px)}
  #s01 .copy{gap:14px}
  #s01 .btn{min-height:50px}
}


/* ===== 12. 02 · Experiencias ===== */
#s02{height:260vh}
.s02 .stage{display:flex;flex-direction:column;padding-top:calc(var(--hh) + 1vh);padding-bottom:var(--hud)}
.s02 .top{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) auto;gap:clamp(24px,4vw,64px);align-items:end}
.s02 .top .txt{border-left:1px solid var(--line);padding-left:26px;align-self:center}
.s02 .ctl{display:flex;align-items:center;gap:26px;align-self:start;margin-top:40px}
.s02 .ctl .b{display:flex;gap:12px}

/* Tarjetas */
.cview{flex:1;min-height:0;overflow:hidden;margin-top:clamp(18px,3vh,40px);border-top:1px solid var(--line)}
.cards{display:flex;height:100%;will-change:transform}
.card{flex:0 0 25vw;height:100%;border-right:1px solid var(--line);text-decoration:none;display:flex;flex-direction:column;opacity:0;transform:translateY(40px);transition:opacity .8s,transform 1s cubic-bezier(.2,.8,.2,1)}
.card.in{opacity:1;transform:none}
.card:nth-child(2){transition-delay:.12s}
.card:nth-child(3){transition-delay:.24s}
.card:nth-child(4){transition-delay:.36s}
.card:last-child{border-right:0}
.card .im{flex:1;min-height:0;overflow:hidden;background:#111;position:relative}
.card .im img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.2,.7,.2,1)}
.card .bd{padding:clamp(12px,2vh,20px) 24px clamp(12px,2vh,22px);display:flex;flex-direction:column;gap:4px;flex:none}
.card .lg{font-size:10px;letter-spacing:.16em;white-space:nowrap;font-weight:600;text-transform:uppercase;display:flex;gap:10px;align-items:center}
.card .lg span{color:var(--mute)}
.card h3{font-stretch:62%;font-weight:900;font-size:clamp(26px,2.1vw,34px);line-height:.95;text-transform:uppercase;margin:6px 0 2px;letter-spacing:-.005em}
.card p{margin:0;color:var(--grey);font-size:15px;line-height:1.4}

@media (min-width:1001px){.s02 .ctl{align-self:end;margin-top:0}}
@media (max-width:1000px){
  .s02 .top{grid-template-columns:1fr;gap:14px}
  .s02 .top .txt{display:none}
  .s02 .ctl{margin-top:0}
  .card{flex-basis:78vw}
  .card p{display:none}
}
/* Celular: carrusel táctil */
@media (max-width:900px){
  #s02{height:auto}
  .s02 .ctl{display:none}   /* sin flechas: en celular/tablet se desliza con el dedo */
  .s02 .stage{position:relative;height:auto;min-height:100svh;padding-bottom:calc(var(--hud) + 12px)}
  .s02 .top .txt{display:block;font-size:15px}
  .cview{overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch;scroll-padding-left:var(--pad);flex:none}
  .cview::-webkit-scrollbar{display:none}
  .cards{height:auto;transform:none!important;padding:0 var(--pad);gap:12px}
  .card{flex:0 0 80vw;height:auto;scroll-snap-align:start;border:1px solid var(--line)}
  .card:last-child{border-right:1px solid var(--line)}
  .card .im{flex:none;aspect-ratio:4/3}
  .card p{display:block}
  .card .lg{white-space:normal}
}


/* ===== 13. Marcas: carrusel continuo de logos =====
   Los logos están en grises y toman su color al pasar el mouse.
   Si un logo aún no existe en logos/, se muestra el nombre (clase .name). */
.brandbar{flex:none;border-top:1px solid var(--line)}
.brandbar .wrap{display:flex;align-items:center;gap:clamp(20px,3vw,48px);min-height:clamp(64px,9vh,90px)}
.brandbar .lab{flex:none;line-height:1.6;white-space:nowrap}
.mq{flex:1;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.mqt{--logo-h:38px;display:flex;align-items:center;width:max-content;list-style:none;margin:0;padding:0;animation:mq 50s linear infinite}
.mq:hover .mqt{animation-play-state:paused}
.mqt li{flex:none;display:flex;align-items:center;padding:0 clamp(22px,2.6vw,44px)}
.mqt img{height:calc(var(--logo-h) * var(--k,1));width:auto;max-width:none;filter:grayscale(1) contrast(1.1);opacity:.62;transition:filter .3s,opacity .3s}
.mqt li:hover img{filter:none;opacity:1}
.mqt .name{font-stretch:62%;font-weight:900;font-size:clamp(22px,1.9vw,32px);letter-spacing:.01em;text-transform:uppercase;color:#5E5B55;line-height:1;white-space:nowrap;transition:color .25s}
.mqt li:hover .name{color:var(--ink)}
@keyframes mq{to{transform:translateX(-50%)}}

@media (max-width:1000px){
  .brandbar .wrap{flex-direction:column;align-items:flex-start;gap:8px;padding-top:10px;padding-bottom:10px}
}
/* Celular: más aire debajo de los logos para que no queden pegados a la siguiente sección */
@media (max-width:900px){
  .brandbar .wrap{gap:12px;padding-top:16px;padding-bottom:36px}
  .mq{width:100%}
  .mqt{--logo-h:30px}
}


/* ===== 14. 03 · Soluciones ===== */
.imagine{overflow:hidden}
.imagine .wrap{position:relative;z-index:2;width:100%;pointer-events:none}
.imagine .copy{pointer-events:auto;max-width:620px}
.paths .wrap{display:flex;flex-direction:column;gap:clamp(18px,3vh,32px)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:0}
.path{display:flex;flex-direction:column;gap:14px;padding:0 clamp(20px,3.4vw,56px)}
.path:first-child{padding-left:0;border-right:1px solid var(--line)}
.path:last-child{padding-right:0}
.path .media{aspect-ratio:2.05;width:100%;max-height:36vh;margin-bottom:6px}
.path .txt{max-width:34em}
.path .btn{margin-top:4px}

/* Celular: las dos opciones se deslizan de lado */
@media (max-width:900px){
  .imagine{min-height:88svh}
  .two{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;gap:14px;margin:0 calc(-1*var(--pad));padding:0 var(--pad);scroll-padding-left:var(--pad)}
  .two::-webkit-scrollbar{display:none}
  .path,.path:first-child,.path:last-child{padding:0;border:0}
  .path{flex:0 0 84%;scroll-snap-align:start}
  .path .media{max-height:none;aspect-ratio:1.9}
  .path .txt{font-size:15px}
}


/* ===== 15. 04 · Proceso ===== */
.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(24px,4vw,64px);align-items:center}
.split .copy{gap:24px}
.split .media{aspect-ratio:1.25;max-height:calc(100svh - var(--hud) - 10vh);width:calc(100% + var(--pad));margin-right:calc(-1*var(--pad))}
.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,48px)}
.three .col{display:flex;flex-direction:column;gap:18px}
.three .media{aspect-ratio:1.5;margin-top:10px;width:100%;max-height:34vh}
/* Alinea títulos, textos e imágenes de las 3 columnas entre sí */
@supports (grid-template-rows:subgrid){
  .three{grid-template-rows:repeat(4,auto);row-gap:0}
  .three .col{grid-row:span 4;display:grid;grid-template-rows:subgrid;gap:0}
  .three .col>.lab,.three .col>.hd{margin-bottom:18px}
  .three .col>.txt{margin-bottom:18px;align-self:start}
  .three .col>.media{margin-top:0;align-self:start}
}

/* Celular: imagen arriba y columnas que se deslizan de lado */
@media (max-width:900px){
  .split{grid-template-columns:1fr;min-height:0}
  .split .media{order:-1;width:calc(100% + 2*var(--pad));margin:0 calc(-1*var(--pad))}
  .three{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;gap:14px;margin:0 calc(-1*var(--pad));padding:0 var(--pad);scroll-padding-left:var(--pad)}
  .three::-webkit-scrollbar{display:none}
  .three .col{flex:0 0 84%;scroll-snap-align:start}
  .three .media{aspect-ratio:1.9}
  .three .txt{font-size:15px}
}
@supports (grid-template-rows:subgrid){
  @media (max-width:900px){.three{display:grid;grid-auto-flow:column;grid-auto-columns:84%;grid-template-columns:none}}
}


/* ===== 16. 05 · Bicible ===== */
.bici{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,96px);align-items:center}
.bici .hd{font-size:clamp(46px,min(6.4vw,12.6vh),124px)}
.bside{display:flex;flex-direction:column;gap:clamp(22px,4vh,40px)}
.bside .txt p{margin:0}
.bside .txt p+p{margin-top:14px}
.stats{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:0;margin-top:0;border-top:1px solid var(--line)}
.stats div{padding:22px 48px 0 0;margin-right:40px;border-right:1px solid var(--line)}
.stats div:last-child{border-right:0}
.stats b{display:block;font-stretch:62%;font-weight:900;font-size:clamp(48px,4.6vw,80px);line-height:.9}
.stats span{display:block;margin-top:10px;font-size:10.5px;letter-spacing:.2em;color:var(--grey);text-transform:uppercase}
.where{color:var(--ink)}
.where .sep{color:var(--mute);margin:0 6px}

@media (max-width:900px){
  .bici{grid-template-columns:minmax(0,1fr)}
  .bici>*{min-width:0}
  .bici .hd{font-size:12vw}
  .stats{grid-template-columns:repeat(3,minmax(0,1fr))}
  .stats div{padding-right:14px;margin-right:14px;min-width:0}
  /* "Desarrollamos en CDMX / Llevamos…": renglones juntos y separados de las cifras */
  .where{display:block;line-height:1.6;margin-top:14px}
  .where .sep{display:none}
  .where .w{display:block}
}


/* ===== 17. 06 · Hablemos (formulario) ===== */
.stop.last{flex-direction:column;justify-content:center}
.stop.last>.wrap{flex:1;display:grid;align-items:center;position:relative;z-index:2}
.stop.last .field{z-index:1}
.stop.last .copy{position:relative;z-index:2}
.talk{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:clamp(24px,4vw,64px);align-items:center}
.talk .copy{gap:clamp(12px,2vh,18px)}
.talk-space{min-height:40vh}

.form{display:flex;flex-direction:column;gap:clamp(10px,1.8vh,18px);margin-top:6px;max-width:620px}
.form .box{position:relative;border:1.2px solid var(--ink);border-radius:16px}
.form .box:focus-within{box-shadow:0 0 0 3px rgba(123,214,43,.35)}
.form .main{display:block;width:100%;font-size:16px;line-height:1.45;border:0;background:transparent;padding:14px 56px 14px 20px;resize:vertical;min-height:clamp(64px,10vh,88px);border-radius:16px}
.form .main::placeholder{color:var(--mute)}
@media (max-width:900px){.form .main::placeholder{font-size:13px;line-height:1.45}}
.form .main:focus{outline:none}
.form .go{position:absolute;right:10px;bottom:10px;width:36px;height:36px;border:0;background:none;cursor:pointer;display:grid;place-items:center;border-radius:50%}
.form .go:hover{background:var(--ink);color:var(--bg)}
.form .go svg{width:18px;height:18px}
.form .row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(12px,2vh,18px) 22px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:10.5px;letter-spacing:.2em;font-weight:600;color:var(--ink);text-transform:uppercase}
.form input{min-height:40px;border:0;border-bottom:1px solid var(--ink);background:transparent;font-size:16px;padding:0;letter-spacing:0;text-transform:none;color:var(--ink);border-radius:0}
.form input:focus{outline:none;border-bottom:2px solid var(--green)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}   /* campo trampa anti-spam */
.send{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:clamp(22px,4vh,40px)}   /* separa el botón "Enviar idea" de los campos */
.msg{font-size:14.5px;color:var(--grey)}
.msg.err{color:#B8452B}

@media (max-width:900px){
  .talk{grid-template-columns:1fr}
  .talk-space{display:none}
  .form .row{grid-template-columns:1fr}
}


/* ===== 18. Footer =====
   Escritorio: 3 bloques justificados: logo a la izquierda, Explorar al centro, Contacto a la derecha.
   Celular: logo y redes arriba; Explorar y Contacto en 2 columnas. */
.foot{position:relative;z-index:2;width:100%;border-top:1px solid var(--line);background:var(--bg);color:var(--ink);padding:clamp(26px,5vh,48px) 0 clamp(18px,3vh,28px)}
.foot a{display:block;text-decoration:none}
.fgrid{display:grid;grid-template-columns:1fr auto 1fr;column-gap:clamp(24px,4vw,64px);align-items:start}
.fgrid>:nth-child(2){justify-self:center}   /* Explorar: al centro */
.fgrid>:nth-child(3){justify-self:end}      /* Contacto: pegado a la derecha */
.fbrand{display:flex;flex-direction:column;gap:18px}
.fbrand .logo img{height:40px}
.social{display:flex;gap:10px}
.social a{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--ink);transition:background .25s,color .25s,border-color .25s}
.social a:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.social svg{width:18px;height:18px}
.fcol{display:flex;flex-direction:column;gap:8px}
.fcol .lab{margin-bottom:4px}
.fcol a{font-size:14.5px;color:var(--ink);width:fit-content}
.fcol a:hover{text-decoration:underline;text-underline-offset:3px}
.flegal{margin-top:clamp(22px,4vh,40px);padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:6px 32px}
.flegal p{margin:0;font-size:12px;line-height:1.5;color:var(--mute)}
.flegal .rc{font-size:11px}
.flegal a{display:inline;color:var(--mute)}
.flegal a:hover{color:var(--ink)}

@media (max-width:900px){
  /* Explorar a la izquierda y Contacto pegado a la derecha (igual que logo y redes arriba) */
  .fgrid{grid-template-columns:1fr 1fr;gap:26px 20px}
  .fgrid>:nth-child(2){justify-self:start}
  .fgrid>:nth-child(3){justify-self:end}
  .fbrand{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between}
  .fbrand .logo img{height:32px}
  .fcol a{font-size:15px;min-height:30px;display:flex;align-items:center}
  .flegal{flex-direction:column;align-items:flex-start}
}


/* ===== 19. Ajustes para pantallas bajas ===== */
/* Laptop con poca altura */
@media (max-height:760px) and (min-width:901px){
  .s06 .h2{font-size:8.4vh}
  .s06 .stop{padding-top:16px}
  .talk .copy{gap:10px}
  .form{gap:10px}
  .form .main{min-height:54px;padding-top:10px;padding-bottom:10px}
  .form input{min-height:34px}
}
/* Celular con poca altura */
@media (max-width:900px) and (max-height:700px){
  .h1{font-size:9.6vw}
  .s04 .split .media{max-height:24vh}
  .s04 .copy{gap:12px}
  .s04 .txt{font-size:14.5px}
  .bici{gap:14px}
  .bici .hd{font-size:9.4vw}
  .bside{gap:12px}
  .s05 .stop{padding-bottom:14px}
  .bside .txt{font-size:14px;line-height:1.42}
  .bside .txt p+p{margin-top:8px}
  .stats b{font-size:36px}
  .stats span{margin-top:6px}
  .s06 .h2{font-size:9vw}
  .s06 .txt{font-size:14.5px}
  .talk .copy{gap:10px}
  .form{gap:10px}
  .form .main{min-height:52px;padding-top:10px;padding-bottom:10px}
  .form .row{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px}
  .form input{min-height:32px;width:100%;min-width:0}
}


/* ===== Espaciado en tablet/celular (≤900px) =====
   Más aire entre elementos para aprovechar la pantalla; los botones "Desliza para…"
   quedan separados del texto, y los botones de las tarjetas alineados al pie. */
@media (max-width:900px){
  /* Qué hacemos */
  .imagine .copy{gap:clamp(20px,3.6vh,32px)}
  .imagine .down{margin-top:clamp(24px,7vh,64px)}

  /* Dos formas de empezar: tarjetas del mismo alto y botones alineados abajo */
  .paths .wrap{gap:clamp(22px,3.6vh,34px)}
  .path{gap:clamp(14px,2.4vh,22px)}
  .path>div:last-child{margin-top:auto;padding-top:clamp(14px,3vh,28px)}

  /* Cómo trabajamos */
  .split .copy{gap:clamp(18px,3vh,28px)}
  .split .down{margin-top:clamp(16px,5vh,48px)}
  .three .col>.lab,.three .col>.hd,.three .col>.txt{margin-bottom:clamp(16px,2.8vh,26px)}

  /* Hablemos */
  .talk .copy{gap:clamp(12px,2.2vh,24px)}
  .form{gap:clamp(12px,2.2vh,24px)}
  .form .row{gap:clamp(12px,2.2vh,24px) 22px}
  .send{margin-top:clamp(14px,3vh,32px)}
  /* Texto de ejemplo del recuadro: más chico y sin barra de desplazamiento */
  .form .main{min-height:clamp(76px,10vh,96px)}
  .form .main::placeholder{font-size:12px;line-height:1.45}
  .form .main:placeholder-shown{overflow:hidden}
}


/* ===== Ajustes finales tablet/celular (≤900px) ===== */
@media (max-width:900px){
  /* Los carruseles horizontales recortan lo que toca su borde inferior; en iPhone (Safari)
     el redondeo de medio píxel cortaba la línea de abajo de los botones. Se deja un margen interno. */
  .two,.three{padding-bottom:8px}
  .cview{padding-bottom:2px}
  /* Dentro de los carruseles, las tarjetas aparecen solo con desvanecido (sin desplazarse hacia abajo,
     que hacía que el carrusel les cortara la parte inferior mientras entraban) */
  .two .rv,.three .rv{transform:none}
  /* Footer: sin logo y con las redes sociales centradas */
  .fbrand{justify-content:center}
  .fbrand .logo{display:none}
  /* Hablemos: sin partículas */
  #f06{display:none}
}


/* ===== Scroll por secciones en pantallas táctiles =====
   Se usa el scroll nativo (así el navegador puede ocultar su barra) y, al soltar el dedo,
   la página se acomoda en la siguiente sección: una sección por deslizamiento.
   Las secciones más altas que la pantalla se pueden recorrer libremente por dentro. */
.snap{position:absolute;left:0;top:0;width:1px;height:1px;pointer-events:none}
@media (hover:none) and (pointer:coarse){
  html{scroll-snap-type:y mandatory}
  .snap,.stop{scroll-snap-align:start;scroll-snap-stop:always}
  .foot{scroll-snap-align:end}
}


/* ===== 20. Movimiento reducido (si la persona lo pide en su sistema) ===== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  #s01,#s02,#s03{height:auto}
  .stage{position:relative;height:auto;min-height:0;overflow:visible}
  .track{position:relative;width:100%;flex-direction:column;transform:none!important}
  .scene{width:100%;min-height:100svh}
  .sB .copy>*{opacity:1;transform:none}
  .rv,.card{opacity:1;transform:none}
  .cview{overflow-x:auto}
  .mqt{animation:none}
  .mq{overflow-x:auto}
}