/* ============================================================
   WebCraft ST — base.css
   Capa compartida por las 4 paginas: tokens, reset, nav, pie,
   botones, animacion .rv y variables del widget de chat.
   Lo exclusivo de cada pagina vive en su propio <style>.
   ============================================================ */

/* Tokens de marca: colores, tipografias, radios y curva de animacion. */
:root{
  --bg:#0a0a0a;--bg2:#121212;--bg3:#1a1a1a;--bg4:#242424;--bg5:#2d2d2d;
  --fg:#fafafa;--fg2:#d4d4d4;--fg3:#8a8a8a;--fg4:#555555;
  --blue:#b8a7ff;--blue-d:#a890ff;--blue-l:#d4c5ff;
  --purple:#b8a7ff;--purple-d:#a890ff;--purple-l:#d4c5ff;
  --cyan:#b8a7ff;--green:#34d399;--red:#f87171;--amber:#fbbf24;
  --grad:linear-gradient(135deg,#a78bfa,#c084fc);
  --grad-text:linear-gradient(135deg,#d4c5ff 0%,#c084fc 100%);
  --glow-btn:0 8px 32px rgba(184,167,255,.22),0 8px 32px rgba(192,132,252,.14);
  --border:rgba(255,255,255,.06);--border2:rgba(255,255,255,.1);
  --serif:"Fraunces",Georgia,serif;--sans:"Hanken Grotesk",system-ui,sans-serif;--mono:"JetBrains Mono",monospace;
  --radius:14px;--radius-sm:8px;--radius-lg:22px;--radius-xl:32px;
  --ease:cubic-bezier(.2,0,0,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
::selection{background:rgba(184,167,255,.25);color:#fff}
html{scroll-behavior:smooth;scroll-padding-top:68px}
body{font-family:var(--sans);font-size:16px;line-height:1.6;color:var(--fg2);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .15s}
button{cursor:pointer;border:none;font-family:var(--sans);transition:all .2s var(--ease)}
button:active{transform:translateY(1px) scale(.99)}
ul{list-style:none}
.ctn{max-width:1100px;margin:0 auto;padding:0 28px;position:relative;z-index:1}
.section{padding:100px 0}
.eyebrow{font-family:var(--mono);font-size:11px;color:var(--blue-l);letter-spacing:.12em;text-transform:uppercase;font-weight:500;margin-bottom:14px}
.hidden{display:none!important}

/* GRAIN */
.grain{position:fixed;inset:-50%;width:200%;height:200%;pointer-events:none;z-index:9999;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:200px 200px}

/* REVEAL */
.rv{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.vis{opacity:1;transform:translateY(0)}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}.rv-d4{transition-delay:.32s}.rv-d5{transition-delay:.40s}

/* Hero: entrada inmediata al cargar, sin depender del scroll ni del observer.
   Duracion maxima 0.24s de retraso + 0.5s = 0.74s. */
.hero .rv{animation:rvIn .5s var(--ease) both}
.hero .rv.rv-d1{animation-delay:.06s}
.hero .rv.rv-d2{animation-delay:.12s}
.hero .rv.rv-d3{animation-delay:.18s}
.hero .rv.rv-d4{animation-delay:.24s}
@keyframes rvIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1!important;transform:none!important;transition:none!important}
  .hero .rv{animation:none!important}
}

/* HEADER */
.hdr{position:fixed;top:0;left:0;right:0;z-index:100;height:62px;background:rgba(3,3,10,.7);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border);transition:background .3s}
.hdr.scrolled{background:rgba(3,3,10,.92)}
.hdr-in{max-width:1100px;margin:0 auto;height:62px;padding:0 28px;display:flex;align-items:center;justify-content:space-between}
.hdr-brand{display:flex;align-items:center;gap:9px}
.hdr-brand svg{width:26px;height:26px;border-radius:5px}
.hdr-wm{font-family:var(--serif);font-size:18px;font-weight:500;color:var(--fg);font-variation-settings:"opsz" 48}
.hdr-st{font-family:var(--mono);font-size:11px;font-weight:700;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-left:3px;letter-spacing:.04em}
.hdr-nav{display:flex;gap:26px;align-items:center}
.hdr-nav a{color:var(--fg3);font-size:13px;font-weight:500}
.hdr-nav a.btn-grad{color:#fff} /* el boton "Ver demo" no hereda el gris de los enlaces */
.hdr-nav a:hover{color:var(--fg)}

/* BUTTONS */
.btn-grad{display:inline-block;font-size:13px;font-weight:700;background:var(--grad);color:#fff;padding:10px 22px;border-radius:100px;position:relative;overflow:hidden;transition:all .25s var(--ease);text-shadow:0 1px 4px rgba(0,0,0,.35);letter-spacing:.01em}
.btn-grad::after{content:'';position:absolute;inset:0;background:rgba(255,255,255,0);transition:background .2s}
.btn-grad:hover::after{background:rgba(255,255,255,.1)}
.btn-grad:hover{box-shadow:var(--glow-btn);transform:translateY(-1px)}
.btn-ghost{display:inline-block;font-size:13px;font-weight:500;background:transparent;color:var(--fg3);padding:10px 20px;border-radius:100px;border:1px solid var(--border2);transition:all .2s}
.btn-ghost:hover{border-color:rgba(184,167,255,.4);color:var(--fg)}

/* SHINE */
.btn-grad.shine::before{content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);animation:shine 4s ease-in-out 1.5s infinite}
@keyframes shine{0%{left:-100%}40%,100%{left:150%}}

/* MOBILE NAV */
.burger{display:none;background:none;padding:6px;flex-direction:column;gap:4px}
.burger span{display:block;width:20px;height:1.5px;background:var(--fg);border-radius:2px;transition:all .3s}
.burger.act span:nth-child(1){transform:rotate(45deg) translate(4px,4px)}
.burger.act span:nth-child(2){opacity:0}
.burger.act span:nth-child(3){transform:rotate(-45deg) translate(4px,-4px)}
.mob-ov{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:98;opacity:0;transition:opacity .3s}
.mob-ov.show{opacity:1}
.mob-nav{display:none;position:fixed;top:62px;right:0;width:260px;height:calc(100vh - 62px);background:var(--bg2);border-left:1px solid var(--border);z-index:99;padding:24px 20px;flex-direction:column;transform:translateX(100%);transition:transform .3s var(--ease)}
.mob-nav.open{transform:translateX(0)}
.mob-nav a{display:block;padding:13px 0;font-size:14px;color:var(--fg2);border-bottom:1px solid var(--border)}
@media(max-width:768px){.hdr-nav{display:none}.burger{display:flex}.mob-nav{display:flex}}

/* Pie de pagina. */
/* FOOTER */
.ftr{background:var(--bg);border-top:1px solid var(--border);padding:72px 0 28px}
.ftr-top{display:flex;justify-content:space-between;align-items:flex-start;gap:32px;padding-bottom:52px;margin-bottom:44px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.ftr-brand p{font-size:13px;color:var(--fg4);margin-top:10px;max-width:260px;line-height:1.55}
.ftr-wa{font-family:var(--serif);font-size:22px;color:var(--fg);font-variation-settings:"opsz" 36}
.ftr-wa-sub{font-family:var(--mono);font-size:10px;color:var(--fg4);margin-top:3px;letter-spacing:.04em}
.ftr-big{font-family:var(--serif);font-size:clamp(52px,10vw,152px);line-height:.88;color:transparent;font-weight:500;font-variation-settings:"opsz" 144,"SOFT" 30;letter-spacing:-.04em;margin-bottom:36px;-webkit-text-stroke:1px rgba(255,255,255,.05)}
.ftr-bottom{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;color:var(--fg4);letter-spacing:.04em;flex-wrap:wrap;gap:8px}
.prv-link{font-family:var(--mono);font-size:10px;color:var(--fg4);letter-spacing:.04em;cursor:pointer;text-decoration:underline;text-underline-offset:3px;transition:color .15s;background:none;border:none;padding:0}
.prv-link:hover{color:var(--fg2)}

/* Boton flotante de WhatsApp. */
.wa-float{position:fixed;bottom:20px;right:20px;z-index:90;width:50px;height:50px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,.35);transition:transform .2s,box-shadow .2s,background .4s;animation:waPulse 3.5s ease-in-out infinite}
@keyframes waPulse{0%,100%{box-shadow:0 4px 20px rgba(37,211,102,.35),0 0 0 0 rgba(37,211,102,.3)}55%{box-shadow:0 4px 20px rgba(37,211,102,.35),0 0 0 10px rgba(37,211,102,0)}}
.wa-float:hover{transform:scale(1.12);box-shadow:0 6px 32px rgba(37,211,102,.55),0 0 0 0 rgba(37,211,102,0)!important;animation-play-state:paused}
.wa-float.wa-scrolled{background:linear-gradient(135deg,#25d366 0%,#128C7E 100%)}
.wa-float svg{width:22px;height:22px;fill:#fff}

/* Widget de chat n8n: tema oscuro alineado al sitio.
   Los nombres salen del CSS del paquete (@n8n/chat 1.43.3). */
:root{
  --chat--color--primary:#B8A7FF;
  --chat--color--primary-shade-50:#A796F0;
  --chat--color--secondary:#8FE3C0;
  --chat--color-dark:#0D0E14;
  --chat--header--background:#0D0E14;
  --chat--header--color:#ECEAF7;
  --chat--toggle--background:#B8A7FF;
  --chat--toggle--hover--background:#A796F0;
  --chat--message--user--background:#B8A7FF;
  --chat--message--user--color:#0D0E14;
  --chat--window--width:380px;
  --chat--border-radius:14px;
  --chat--body--background:#15161F;
  --chat--message--bot--background:#1F2130;
  --chat--message--bot--color:#ECEAF7;
  --chat--footer--background:#0D0E14;
  --chat--input--container--background:#0D0E14;
  --chat--input--background:#0D0E14;
  --chat--input--text-color:#ECEAF7;
}