/* =====================================================================
   Certeza AI — página de producto
   Se apoya en css/styles.css (home) y copia su sistema visual:
   Plus Jakarta Sans en peso medio (500), eyebrow con degradado,
   tarjetas con borde violeta #9D8CFA sin sombra, íconos en círculo lila,
   anillos decorativos con estrella y degradé suave de fondo.
   ===================================================================== */
.page-certeza{
  --c-violet:#5F44F6;
  --c-violet-50:#F1EEFF;
  --c-lilac:#E9E3FF;
  --c-navy:#1D0077;
  --c-dark:#1A1523;
  --c-soft:#F7F7FB;
  --c-text:#111111;
  --c-muted:#717171;
  --c-border:#9D8CFA;
  --c-line:#E9E6F3;
  --c-green:#15803D;
  --c-green-bg:#E7F6EC;
  --c-alert:#C2410C;
  --c-alert-bg:#FFE9DC;
  background:#fff;
}
.page-certeza main{display:block;overflow-x:clip}
.c-wrap{width:min(1274px,100% - 48px);margin-inline:auto}
.c-wrap--narrow{width:min(820px,100% - 40px)}
.page-certeza [id]{scroll-margin-top:136px}

/* ---------- Header: menú del sitio + menú del producto (sticky) ---------- */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.82);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,230,243,.9)}
.nav--page{position:relative;left:auto;top:auto;width:min(1195px,100% - 40px);height:64px;margin-inline:auto;display:flex;align-items:center;gap:24px}
.nav--page .nav__links{position:static;margin-left:auto;height:auto;gap:34px}
.nav--page .nav__cta,.nav--page .nav__cta.btn-neon{position:relative;left:auto;top:auto;width:auto;padding:0 22px}
.subnav{border-top:1px solid var(--c-line)}
.subnav__inner{width:min(1195px,100% - 40px);margin-inline:auto;height:56px;display:flex;align-items:center;gap:28px}
.subnav__links{display:flex;gap:26px;margin-left:auto}
.subnav__links a{font-size:14.5px;font-weight:500;color:#5E6070;transition:color .2s}
.subnav__links a:hover,.subnav__links a.is-current{color:var(--c-violet)}
.c-btn--sm{height:42px;padding:0 20px;font-size:15px}
@media (max-width:1023px){
  .page-certeza [id]{scroll-margin-top:124px}
  .nav--page{height:60px}
  .nav--page .nav__links{position:absolute !important}
  .subnav__inner{height:52px;gap:12px}
  .subnav__links{display:none}
  .subnav .c-btn--sm{margin-left:auto}
}

/* ---------- Logo Certeza ---------- */
.c-logo{display:inline-flex;align-items:center;gap:8px;color:var(--c-text)}
.c-logo__mark{width:32px;height:32px;border-radius:9px;background:var(--grad);display:grid;place-items:center;color:#fff}
.c-logo__mark svg{width:18px;height:18px}
.c-logo__word{font-weight:600;font-size:19px;letter-spacing:-.3px}
.c-logo__ai{font-size:11px;font-weight:700;color:var(--c-violet);background:var(--c-violet-50);border-radius:6px;padding:3px 6px;letter-spacing:.5px}

/* ---------- Tipografía (misma escala que el home) ---------- */
.c-label{margin:0 0 14px;font-size:22px;font-weight:700;line-height:1.3;width:max-content;max-width:100%;
  background:linear-gradient(90deg,#825BF8,#5F44F6 45%,#5CAFF9);-webkit-background-clip:text;background-clip:text;color:transparent}
.c-label--light{background:linear-gradient(90deg,#C8B8FF,#9FD3FF);-webkit-background-clip:text;background-clip:text}
.c-h1{margin:0;font-size:clamp(38px,4.6vw,58px);font-weight:500;line-height:1.14;letter-spacing:-1px;color:var(--c-text);text-wrap:balance}
.c-h2{margin:0;font-size:clamp(32px,3.9vw,50px);font-weight:500;line-height:1.3;letter-spacing:-.5px;color:var(--c-text);text-wrap:balance}
.c-h3{margin:0;font-size:22px;font-weight:500;line-height:1.45;color:var(--c-text)}
.c-p{margin:20px 0 0;font-size:17px;font-weight:500;line-height:27px;color:var(--c-muted);max-width:62ch}
.c-lead{margin:20px 0 0;font-size:18px;font-weight:500;line-height:160%;color:var(--c-muted);max-width:54ch}
.c-small{margin:12px 0 0;font-size:16px;font-weight:500;line-height:25px;color:#7A7F8C}
.c-fine{margin:0;font-size:13px;font-weight:500;color:var(--c-muted);text-align:center}
.req{color:#C2255C}

/* ---------- Botones ---------- */
.c-btn{height:56px;padding:0 28px;font-size:18px}
.c-btn--block{width:100%}
.c-btn-outline{display:inline-flex;align-items:center;justify-content:center;height:56px;padding:0 26px;border-radius:999px;border:1.5px solid #CFC5FF;
  color:var(--c-violet);font-family:var(--font-btn);font-weight:600;font-size:18px;background:transparent;transition:background .25s,border-color .25s}
.c-btn-outline:hover{background:var(--c-violet-50);border-color:var(--c-violet)}
.c-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.c-checks{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:15px;font-weight:500;color:var(--c-muted)}
.c-checks li{display:inline-flex;align-items:center;gap:7px}
.c-checks svg{width:17px;height:17px;color:var(--c-violet);flex:none}
.c-checks--col{flex-direction:column;gap:12px;font-size:17px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--c-violet);outline-offset:3px;border-radius:8px}

/* ---------- Secciones ---------- */
.c-section{position:relative;padding-block:clamp(72px,9vw,130px)}
.c-soft{background:var(--c-soft)}
.c-head{max-width:760px;margin-bottom:clamp(36px,5vw,60px)}
.c-head--center{margin-inline:auto;text-align:center}
.c-head--center .c-label{margin-inline:auto}
.c-head--center .c-p{margin-inline:auto}
.c-grid{display:grid;gap:24px}
.c-grid--feat{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:1023px){ .c-grid--feat{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:640px){ .c-grid--feat{grid-template-columns:minmax(0,1fr)} }

/* Anillos con estrella + degradé (mismo recurso que el home) */
.c-deco{position:absolute;top:-40px;right:-150px;width:460px;height:460px;pointer-events:none;z-index:0}
.c-deco__rings{width:100%;height:100%;animation:oai-spin 60s linear infinite}
.c-deco__fade{position:absolute;inset:-60px;border-radius:50%;background:radial-gradient(circle,rgba(171,154,255,.22),rgba(171,154,255,0) 65%)}
.c-deco--hero{top:auto;bottom:-230px;right:auto;left:-230px}
.c-section > .c-wrap,.c-hero > .c-wrap{position:relative;z-index:1}
@media (max-width:640px){ .c-deco{width:300px;height:300px;right:-140px} .c-deco--hero{left:-180px;bottom:-170px} }

/* Tarjetas (como las de "Cómo funcionan" del home) */
.c-card{position:relative;padding:28px;background:#fff;border:1px solid var(--c-border);border-radius:16px}
.c-card--hl{background:linear-gradient(135deg,#F1EEFF 0%,#EEF5FF 100%);border-color:#8FA6FB}
.c-card__tag{position:absolute;top:22px;right:22px;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--c-violet);background:#fff;border:1px solid #DCD3FF;border-radius:999px;padding:4px 9px}
.c-icon{width:62px;height:62px;border-radius:50%;background:var(--c-lilac);color:var(--c-navy);display:grid;place-items:center;margin-bottom:26px}
.c-icon svg{width:24px;height:24px}

/* ---------- 1. Hero ---------- */
.c-hero{position:relative;overflow:hidden;padding-block:clamp(56px,7vw,96px) clamp(72px,8vw,120px)}
.c-hero__bg{position:absolute;inset:0;z-index:-1;
  background:radial-gradient(circle at 1px 1px,rgba(95,68,246,.12) 1px,transparent 0) 0 0/22px 22px,linear-gradient(180deg,#fff 0%,#F6F3FF 70%,#F1EDFF 100%);
  -webkit-mask:linear-gradient(180deg,#000 55%,transparent);mask:linear-gradient(180deg,#000 55%,transparent)}
.c-hero__bg::after{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;background:#AB9AFF;opacity:.18;filter:blur(90px)}
.c-hero__grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:56px;align-items:center}
.c-hero__text .type{display:grid}
.c-hero__visual{position:relative;min-height:470px}
.c-hero__panel{position:absolute;inset:18px 0 30px 40px;border-radius:22px;overflow:hidden;border:1px solid var(--c-line);box-shadow:0 30px 80px rgba(46,43,80,.14);background:#fff}
.c-hero__panel img{width:100%;height:100%;object-fit:cover;object-position:left top;filter:blur(2.5px) saturate(.9);opacity:.75;transform:scale(1.04)}
.c-hero__panel::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,.55),rgba(241,238,255,.35))}
@media (max-width:1023px){
  .c-hero__grid{grid-template-columns:minmax(0,1fr);gap:40px}
  .c-hero__visual{min-height:420px}
  .c-hero__panel{inset:10px 0 20px 0}
}

/* ---------- Chat (mockup HTML) ---------- */
.chat{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:20px;box-shadow:0 24px 60px rgba(46,43,80,.14);overflow:hidden}
.chat--hero{position:absolute;left:0;bottom:0;width:min(360px,92%);animation:oai-float 7s ease-in-out infinite;--fy:-12px;--fr:0deg}
.chat__head{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--c-line)}
.chat__avatar{width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;display:grid;place-items:center;flex:none}
.chat__avatar svg{width:18px;height:18px}
.chat__name{font-size:14.5px;font-weight:600;color:var(--c-text)}
.chat__status{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--c-muted)}
.chat__status i{width:7px;height:7px;border-radius:50%;background:#22C55E}
.chat__session{margin-left:auto;font-size:12px;font-weight:600;color:var(--c-violet);background:var(--c-violet-50);border-radius:999px;padding:5px 11px;white-space:nowrap}
.chat__body{display:flex;flex-direction:column;gap:10px;padding:18px 16px 20px;min-height:220px;background:linear-gradient(180deg,#fff,#FBFAFF)}
.msg{max-width:88%;padding:11px 14px;border-radius:16px;font-size:14.5px;line-height:1.5}
.msg--user{align-self:flex-end;background:#EEEFF4;color:var(--c-text);border-bottom-right-radius:6px}
.msg--bot{align-self:flex-start;background:var(--c-violet-50);color:#1B1340;border-bottom-left-radius:6px}
.msg--typing{align-self:flex-start;display:inline-flex;gap:4px;background:var(--c-violet-50);border-bottom-left-radius:6px}
.msg--typing i{width:7px;height:7px;border-radius:50%;background:#9A88FF;animation:c-dot 1.1s infinite}
.msg--typing i:nth-child(2){animation-delay:.15s}.msg--typing i:nth-child(3){animation-delay:.3s}
@keyframes c-dot{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}
.badge-ok,.badge-derive{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;border-radius:999px;padding:6px 11px}
.badge-ok{background:var(--c-green-bg);color:var(--c-green)}
.badge-derive{background:#FFF4E5;color:#B45309}
.badge-ok svg,.badge-derive svg{width:14px;height:14px}
.js [data-chat] [data-step]{display:none}
.js [data-chat] [data-step].is-shown{display:inline-flex}
.js [data-chat] .msg[data-step].is-shown{display:block}
.js [data-chat] .msg--typing[data-step].is-shown{display:inline-flex}
.is-shown{animation:c-pop .45s cubic-bezier(.2,.8,.2,1) both}
@keyframes c-pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}

/* ---------- Slider de cards (Problema / Para quién es) ---------- */
.c-slider-sec{overflow:hidden}
.slider{display:grid;grid-template-columns:180px minmax(0,1fr);align-items:center;gap:24px;position:relative;z-index:1}
.slider__nav{display:flex;gap:18px}
.slider__btn{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;cursor:pointer;transition:transform .25s,opacity .25s,box-shadow .25s,background .25s}
.slider__btn svg{width:26px;height:26px}
.slider__btn--prev{background:#fff;border:1.5px solid #E1DEEA;color:#8E8AA0}
.slider__btn--next{background:var(--grad);border:0;color:#fff;box-shadow:0 10px 24px rgba(95,68,246,.28)}
.slider__btn:hover:not(:disabled){transform:translateY(-2px)}
.slider__btn:disabled{opacity:.4;cursor:default;box-shadow:none}
/* la pista sale del contenedor hacia la derecha, como en la referencia */
.slider__track{display:flex;gap:36px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;
  margin-right:calc((100vw - min(1274px, 100vw - 48px)) / -2);padding:6px calc((100vw - min(1274px, 100vw - 48px)) / 2) 12px 2px;
  scrollbar-width:none;-webkit-mask:linear-gradient(90deg,#000 88%,transparent);mask:linear-gradient(90deg,#000 88%,transparent)}
.slider__track::-webkit-scrollbar{display:none}
.s-card{flex:0 0 min(548px,82vw);scroll-snap-align:start;padding:28px 28px 34px;background:#fff;border:1px solid #E6E2F0;border-radius:20px;transition:border-color .3s,box-shadow .3s,transform .3s}
.s-card:hover{border-color:var(--c-border);box-shadow:0 18px 40px rgba(95,68,246,.10);transform:translateY(-3px)}
.s-card__icon{width:80px;height:80px;border-radius:50%;background:#E9DDFB;color:var(--c-text);display:grid;place-items:center;margin-bottom:34px}
.s-card__icon svg{width:34px;height:34px}
.s-card--alert .s-card__icon{background:var(--c-alert-bg);color:var(--c-alert)}
.s-card__title{margin:0;font-size:28px;font-weight:500;line-height:1.4;color:var(--c-text);max-width:14em}
.s-card__text{margin:16px 0 0;font-size:18px;font-weight:400;line-height:1.65;color:var(--c-muted)}
@media (max-width:1023px){
  .slider{grid-template-columns:minmax(0,1fr)}
  .slider__nav{order:2}
  .slider__btn{width:54px;height:54px}
  .s-card__title{font-size:24px}
}

/* ---------- 3. Solución (oscura) ---------- */
.c-dark{background:radial-gradient(900px 420px at 85% 0%,rgba(95,68,246,.35),transparent 60%),var(--c-dark);color:#fff}
.c-dark .c-h2{color:#fff}
.c-dark .c-p{color:#C9C3DA}
.flow{display:grid;grid-template-columns:auto 44px auto 1fr;align-items:center;margin-top:8px}
.flow__node{display:inline-flex;align-items:center;gap:8px;padding:14px 18px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);font-size:15px;font-weight:600;color:#fff;white-space:nowrap}
.flow__node svg{width:18px;height:18px;flex:none}
.flow__node--q{background:rgba(95,68,246,.28);border-color:rgba(171,154,255,.55)}
.flow__node--ok{background:rgba(34,197,94,.14);border-color:rgba(74,222,128,.45);color:#D9FBE5}
.flow__node--learn{background:rgba(171,154,255,.18);border-color:rgba(171,154,255,.5)}
.flow__arrow{height:2px;background:linear-gradient(90deg,rgba(255,255,255,.2),rgba(171,154,255,.9));position:relative;margin-inline:6px}
.flow__arrow::after{content:"";position:absolute;right:-1px;top:-4px;border-left:8px solid rgba(171,154,255,.9);border-top:5px solid transparent;border-bottom:5px solid transparent}
.flow__arrow--sm{width:28px;flex:none}
.flow__branches{display:flex;flex-direction:column;gap:18px;padding-left:34px;border-left:2px dashed rgba(171,154,255,.45);margin-left:24px}
.flow__branch{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.flow__tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;border-radius:999px;padding:4px 10px 4px 4px}
.flow__tag b{display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:rgba(0,0,0,.18);font-size:11px;letter-spacing:0}
.flow__tag--yes{background:#22C55E;color:#062B13}
.flow__tag--no{background:#F59E0B;color:#2A1600}
.flow__chain{display:flex;align-items:center;flex-wrap:nowrap}
.flow__loop{flex-basis:100%;display:flex;align-items:center;gap:8px;margin:2px 0 0 52px;font-size:13.5px;color:#B9A9FF}
.flow__loop svg{width:18px;height:18px;transform:scaleX(-1)}
/* aparición secuencial: 1 (Sí) y después 2 (No) */
.js [data-flow] [data-seq],.js .c-float-wrap[data-seq]{opacity:0;transform:translateY(10px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.8,.2,1)}
.js [data-flow] .flow__arrow[data-seq]{transform:scaleX(0);transform-origin:left center}
.js [data-flow] .flow__branches[data-seq]{transform:none;border-left-color:transparent;transition:opacity .4s,border-left-color .6s}
.js [data-seq].is-on,.js [data-flow] .flow__arrow[data-seq].is-on{opacity:1;transform:none}
.js [data-flow] .flow__branches[data-seq].is-on{border-left-color:rgba(171,154,255,.45)}
/* frase como botón flotante con el efecto neón del home */
.c-float-wrap{display:flex;justify-content:center;margin-top:56px}
.c-float{min-height:64px;padding:12px 30px 12px 16px;gap:14px;white-space:normal;text-align:left;font-family:var(--font-sans);font-weight:500;font-size:clamp(15px,1.6vw,19px);line-height:1.4;color:#fff !important;
  animation:oai-float 6s ease-in-out infinite;--fy:-10px;--fr:0deg}
.c-float > svg{width:34px;height:34px;padding:7px;border-radius:50%;background:var(--grad);color:#fff;flex:none}
.c-float strong{font-weight:700}
.c-dark .btn-neon .btn-neon__fill{background:rgba(26,21,35,.72)}
.c-dark .btn-neon__glow{mix-blend-mode:screen}
@media (max-width:1180px){
  .flow{grid-template-columns:1fr;justify-items:start;gap:12px}
  .flow__arrow{width:2px;height:28px;margin:0 0 0 24px;background:linear-gradient(180deg,rgba(255,255,255,.2),rgba(171,154,255,.9))}
  .flow__arrow::after{right:-4px;top:auto;bottom:-1px;border-top:8px solid rgba(171,154,255,.9);border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:0}
  .js [data-flow] .flow__arrow[data-seq]{transform:scaleY(0);transform-origin:top center}
  .flow__branches{margin-left:24px}
}
@media (max-width:640px){
  .flow__node{white-space:normal}
  .flow__chain{flex-direction:column;align-items:flex-start}
  .flow__chain .flow__arrow--sm{width:2px;height:18px;margin:0 0 0 22px}
  .flow__loop{margin-left:0}
  .c-float{border-radius:24px}
}

/* ---------- 4. Tres pasos ---------- */
.steps3{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative}
.steps3::before{content:"";position:absolute;left:8%;right:8%;top:50px;border-top:2px dashed #CFC5FF;z-index:0}
.step3{position:relative;z-index:1;min-width:0;padding:28px;background:#fff;border:1px solid var(--c-border);border-radius:16px;display:flex;flex-direction:column}
.step3__num{display:inline-block;font-size:48px;font-weight:700;letter-spacing:-1.5px;line-height:1;margin-bottom:22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;width:max-content}
.mini{margin-top:24px;min-width:0;border-radius:14px;border:1px solid var(--c-line);background:var(--c-soft);padding:12px}
.mini > *{min-width:0}
.mini--files{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
.file{display:flex;align-items:center;gap:10px;min-width:0;background:#fff;border:1px solid var(--c-line);border-radius:10px;padding:8px 10px}
.file__ext{font-size:10.5px;font-weight:800;letter-spacing:.4px;color:#fff;border-radius:6px;padding:4px 6px;flex:none;min-width:38px;text-align:center}
.file__ext--pdf{background:#E5484D}.file__ext--doc{background:#3B82F6}.file__ext--xls{background:#16A34A}.file__ext--csv{background:#7C3AED}
.file__name{flex:1 1 auto;font-size:13px;color:var(--c-text);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file__ok{font-size:10.5px;font-weight:700;letter-spacing:.6px;color:var(--c-green);background:var(--c-green-bg);border-radius:999px;padding:3px 8px;flex:none}
.mini--code{padding:0;background:#16121F;border-color:#2A2438;overflow:hidden}
.code__bar{display:flex;align-items:center;gap:6px;padding:10px 12px;border-bottom:1px solid #2A2438}
.code__bar i{width:9px;height:9px;border-radius:50%;background:#3A3348}
.code__copy{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font:600 12.5px var(--font-sans);color:#E9E5FF;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:8px;padding:6px 10px;cursor:pointer;transition:background .2s}
.code__copy:hover{background:rgba(255,255,255,.16)}
.code__copy svg{width:14px;height:14px}
.code__pre{margin:0;padding:14px 14px 16px;white-space:pre-wrap;word-break:break-all;font:13px/1.65 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#E9E5FF}
.code__pre .t{color:#FF8AD8}.code__pre .a{color:#9FD7FF}.code__pre .s{color:#B7F0C4}
.mini--list{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
.q{display:flex;align-items:center;gap:10px;min-width:0;background:#fff;border:1px solid var(--c-line);border-radius:10px;padding:10px 12px}
.q__text{flex:1 1 auto;font-size:13.5px;color:var(--c-text);min-width:0}
.pill{font-size:10.5px;font-weight:700;letter-spacing:.6px;border-radius:999px;padding:4px 9px;flex:none}
.pill--new{color:var(--c-violet);background:var(--c-violet-50)}
.pill--done{color:var(--c-green);background:var(--c-green-bg)}
@media (max-width:1180px) and (min-width:1024px){ .file__ok,.pill{font-size:9.5px;padding:3px 6px} .step3{padding:22px} }
@media (max-width:1023px){ .steps3{grid-template-columns:minmax(0,1fr)} .steps3::before{left:50px;right:auto;top:40px;bottom:40px;border-top:0;border-left:2px dashed #CFC5FF} }

/* ---------- 6. Ejemplo real: acordeón + chats con parallax ---------- */
.acc{position:relative;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:0;border-radius:28px;overflow:hidden;border:1px solid #DCD3FF;
  background:radial-gradient(circle at 1px 1px,rgba(95,68,246,.10) 1px,transparent 0) 0 0/22px 22px,linear-gradient(135deg,#F4F1FF 0%,#EEF5FF 100%)}
.acc__side{display:flex;align-items:center;gap:18px;padding:40px 16px 40px 36px}
.acc__arrows{display:flex;flex-direction:column;gap:10px}
.acc__arrow{width:40px;height:40px;border-radius:50%;border:1px solid #CFC5FF;background:#fff;color:var(--c-violet);display:grid;place-items:center;cursor:pointer;transition:background .2s,transform .2s}
.acc__arrow:hover{background:var(--c-violet-50);transform:scale(1.05)}
.acc__arrow svg{width:18px;height:18px}
.acc__list{display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-width:0;flex:1;interpolate-size:allow-keywords}
.acc__item{max-width:100%;background:rgba(255,255,255,.75);border:1px solid #DCD3FF;border-radius:22px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:background .4s,border-color .4s,box-shadow .4s,border-radius .4s}
.acc__item[open]{background:#fff;border-color:var(--c-violet);box-shadow:0 12px 30px rgba(95,68,246,.14);border-radius:18px}
.acc__item summary{list-style:none;display:flex;align-items:center;gap:10px;padding:11px 18px 11px 12px;font-size:15.5px;font-weight:600;color:var(--c-text);cursor:pointer}
.acc__item summary::-webkit-details-marker{display:none}
.acc__dot{width:18px;height:18px;border-radius:50%;border:2px solid #B9A9FF;flex:none;position:relative;transition:border-color .3s}
.acc__dot::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--c-violet);transform:scale(0);transition:transform .35s cubic-bezier(.34,1.56,.64,1)}
.acc__item[open] .acc__dot{border-color:var(--c-violet)}
.acc__item[open] .acc__dot::after{transform:scale(1)}
.acc__item::details-content{block-size:0;overflow:hidden;transition:block-size .55s linear(0,.402 7.4%,.711 15.3%,.929 23.7%,1.008 28.2%,1.067 33%,1.099 38.2%,1.103 43.9%,1.085 50.4%,1.019 67.2%,.998 77.5%,1),content-visibility .55s allow-discrete}
.acc__item[open]::details-content{block-size:auto}
.acc__body{padding:0 18px 14px 40px;max-width:36ch}
.acc__body p{margin:0;font-size:14.5px;line-height:1.55;color:var(--c-muted)}
.acc__stage{position:relative;height:560px;overflow:hidden}
.acc__track{position:absolute;inset:0;transition:transform .9s cubic-bezier(.65,0,.35,1)}
.acc__slide{position:absolute;left:0;right:0;height:100%;display:flex;align-items:center;padding:36px 36px 36px 8px}
.acc__slide .chat{width:100%;transition:transform 1.1s cubic-bezier(.65,0,.35,1),opacity .6s}
.acc__slide .chat__body{min-height:390px}
@media (max-width:1023px){
  .acc{grid-template-columns:minmax(0,1fr)}
  .acc__side{padding:28px 20px 8px;align-items:flex-start}
  .acc__arrows{flex-direction:row;order:2}
  .acc__side{flex-direction:column}
  .acc__stage{height:520px}
  .acc__slide{padding:16px 16px 24px}
  .acc__slide .chat__body{min-height:340px}
  .chat__session{display:none}
}

/* ---------- 8. Plan ---------- */
.plan{position:relative;max-width:520px;margin:0 auto;padding:44px 40px 34px;background:#fff;border:2px solid var(--c-violet);border-radius:26px;box-shadow:0 30px 80px rgba(95,68,246,.16);text-align:center}
.plan__badge{position:absolute;top:0;left:50%;transform:translate(-50%,-50%);white-space:nowrap;background:var(--c-violet);color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.3px;border-radius:999px;padding:7px 16px}
.plan__title{margin:0;font-size:22px;font-weight:500;color:var(--c-text)}
.plan__big{margin:10px 0 0;font-size:76px;font-weight:600;letter-spacing:-2.5px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.plan__big span{font-size:28px;letter-spacing:-.5px}
.plan__sub{margin:12px 0 0;font-size:15px;font-weight:500;color:var(--c-muted)}
.plan__list{list-style:none;margin:28px 0 30px;padding:0;display:grid;gap:12px;text-align:left}
.plan__list li{display:flex;gap:10px;font-size:16px;font-weight:500;color:var(--c-text);line-height:1.45}
.plan__list svg{width:20px;height:20px;color:var(--c-violet);flex:none;margin-top:1px}
.plan__fine{margin:14px 0 0;font-size:13px;color:var(--c-muted)}
.plan__note{margin:28px 0 0;text-align:center;font-size:16px;font-weight:500;color:var(--c-muted)}
.plan__note a{color:var(--c-violet);font-weight:600;text-decoration:underline;text-underline-offset:3px}
@media (max-width:640px){ .plan{padding:40px 22px 28px} .plan__big{font-size:62px} }

/* ---------- 9. FAQ minimalista ---------- */
.c-faq{background:#fff}
.faq{border-bottom:1px solid var(--c-line)}
.faq__item{border-top:1px solid var(--c-line);interpolate-size:allow-keywords}
.faq__item:first-child{border-top:0}
.faq__item summary{list-style:none;display:flex;align-items:center;gap:20px;padding:26px 2px;font-size:18px;font-weight:500;color:var(--c-text);cursor:pointer;transition:color .2s}
.faq__item summary:hover{color:var(--c-violet)}
.faq__item summary::-webkit-details-marker{display:none}
.faq__icon{position:relative;margin-left:auto;width:24px;height:24px;border-radius:50%;border:1.75px solid #A594FF;flex:none;transition:border-color .25s,background .25s}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;left:50%;top:50%;width:10px;height:1.75px;border-radius:2px;background:var(--c-violet);transform:translate(-50%,-50%);transition:transform .3s}
.faq__icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq__item[open] .faq__icon{border-color:var(--c-violet);background:var(--c-violet-50)}
.faq__item[open] .faq__icon::after{transform:translate(-50%,-50%) rotate(0deg)}
.faq__item::details-content{block-size:0;overflow:hidden;transition:block-size .4s ease,content-visibility .4s allow-discrete}
.faq__item[open]::details-content{block-size:auto}
.faq__a{padding:0 60px 26px 2px}
.faq__a p{margin:0;font-size:16px;font-weight:500;line-height:1.7;color:var(--c-muted)}
.faq__more{margin-top:56px;padding:34px 28px;border-radius:20px;background:linear-gradient(135deg,#F4F1FF,#EEF5FF);text-align:center;display:flex;flex-direction:column;align-items:center}
.faq__more-icon{width:56px;height:56px;border-radius:50%;background:#fff;color:var(--c-violet);display:grid;place-items:center;margin-bottom:16px;box-shadow:0 6px 18px rgba(95,68,246,.12)}
.faq__more-icon svg{width:26px;height:26px}
.faq__more .c-small{margin-top:6px}
.faq__more .c-btn{margin-top:22px}
@media (max-width:640px){ .faq__a{padding-right:10px} .faq__item summary{font-size:17px;padding:22px 2px} }

/* ---------- 10. Demo (reusa .contacto del home) ---------- */
.c-demo{margin-top:0;border-radius:0;padding-block:clamp(64px,8vw,110px)}
.c-demo .contacto__grid{padding-right:0}
.c-demo__title{font-size:clamp(34px,4vw,56px);line-height:1.16;letter-spacing:-.5px;font-weight:500}
.c-form{background:#fff;border:1px solid var(--c-line);border-radius:22px;padding:28px;box-shadow:0 24px 60px rgba(46,43,80,.10)}
.c-form input::placeholder{color:#A6A3B5}
/* selects con chevron propio y más aire a la derecha */
.c-form select{appearance:none;-webkit-appearance:none;width:100%;min-width:0;font:inherit;font-size:15px;color:var(--ink);height:44px;padding:0 38px 0 12px;border:1px solid #8B7BF7;border-radius:10px;text-overflow:ellipsis;
  background:rgba(255,255,255,.35) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235F44F6' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center;
  outline:none;cursor:pointer;transition:border-color .2s,box-shadow .2s}
.c-form select:focus{background-color:#fff;border-color:#5F44F6;box-shadow:0 0 0 4px rgba(95,68,246,.12)}
.c-form .err{display:none;font-size:12.5px;font-weight:500;color:#C2255C}
.c-form label.is-invalid .err{display:block}
.c-form label.is-invalid input{border-color:#F7627B}
.c-form .form__btn{width:100%}
.c-success{font-weight:600;color:var(--c-green)}
.c-demo .c-checks{margin-top:28px}
@media (max-width:1023px){ .c-demo .contacto__grid{padding:0} }

/* ---------- 11. CTA final ---------- */
.c-cta{position:relative;overflow:hidden;padding-block:clamp(72px,9vw,120px);background:linear-gradient(120deg,#1A1523 0%,#2B1B6B 55%,#3A1FC8 100%);color:#fff;text-align:center}
.c-cta__mark{position:absolute;right:-60px;top:50%;width:420px;height:420px;transform:translateY(-50%);color:#fff;opacity:.07}
.c-cta__inner{position:relative;max-width:820px}
.c-cta .c-h2{color:#fff}
.c-cta .c-p{color:#D8D2F0;margin-inline:auto}
.c-cta .c-btn{margin-top:32px}
.c-btn--white.btn-neon .btn-neon__fill{background:#fff}

/* ---------- 12. Footer ---------- */
.c-footer{padding-bottom:64px}
.c-contact{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:12px 28px}
.c-contact li{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--c-muted)}
.c-contact svg{width:18px;height:18px;color:var(--c-violet)}
.c-contact a:hover{color:var(--c-violet)}
.c-back{font-size:15px;font-weight:600;color:var(--c-violet)}
.c-back:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- Aparición suave al hacer scroll ---------- */
.js [data-reveal-up]{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.js [data-reveal-up].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .js [data-reveal-up],.js [data-seq]{opacity:1 !important;transform:none !important;transition:none}
  .chat--hero,.c-float,.c-deco__rings{animation:none}
  .acc__track,.acc__slide .chat{transition:none}
}

/* ===== Ajustes v3 ===== */
/* Header: solo el menú de Certeza */
.page-certeza [id]{scroll-margin-top:90px}
.nav--page{height:72px}
.nav--page .nav__links a{font-family:var(--font-btn);font-size:15px;color:var(--ink)}
.nav--page .nav__links a.is-current,.nav--page .nav__links a:hover{color:var(--c-violet)}
.c-btn--nav{height:39px;padding:0 22px;font-family:var(--font-btn) !important;font-weight:400 !important;font-size:15px}
.c-btn--nav.btn-neon{color:#5F44F6 !important}
@media (max-width:1023px){
  .page-certeza [id]{scroll-margin-top:80px}
  .nav--page{height:64px}
  .nav--page .c-btn--nav{margin-left:auto}
  .nav--page .nav__toggle{margin-left:0}
}

/* Hero: fondo que termina en blanco y círculos sin cortes (solo los corta el viewport) */
.c-hero{overflow:visible}
.c-hero__bg{background:radial-gradient(circle at 1px 1px,rgba(95,68,246,.10) 1px,transparent 0) 0 0/22px 22px,linear-gradient(180deg,#fff 0%,#F7F5FF 55%,#fff 100%);
  -webkit-mask:linear-gradient(180deg,#000 50%,transparent 95%);mask:linear-gradient(180deg,#000 50%,transparent 95%)}
.c-hero__bg::after{display:none}
.c-hero > .c-deco{z-index:0}
.c-slider-sec{overflow:visible}

/* Sombras que se cortaban */
.slider__track{padding-top:34px;padding-bottom:56px;margin-top:-34px;margin-bottom:-56px}
.acc{overflow:visible}
.acc__side{border-radius:28px 0 0 28px}
.acc__stage{overflow:hidden;border-radius:0 28px 28px 0;height:600px}
.acc__slide{padding:44px 44px 44px 36px}
.acc__slide .chat{box-shadow:0 14px 34px rgba(46,43,80,.12)}
@media (max-width:1023px){
  .acc__stage{border-radius:0 0 28px 28px;height:560px}
  .acc__slide{padding:28px 20px 36px}
}

/* Flujo: flechas de la rama "No" siempre horizontales (→) hasta mobile chico */
@media (max-width:1180px) and (min-width:641px){
  .flow__arrow--sm{width:28px;height:2px;margin:0 6px;background:linear-gradient(90deg,rgba(255,255,255,.2),rgba(171,154,255,.9))}
  .flow__arrow--sm::after{right:-1px;bottom:auto;top:-4px;border-left:8px solid rgba(171,154,255,.9);border-top:5px solid transparent;border-bottom:5px solid transparent;border-right:0}
  .js [data-flow] .flow__arrow--sm[data-seq]{transform:scaleX(0);transform-origin:left center}
}
/* aparición secuencial más marcada */
.js [data-flow] .flow__node[data-seq],.js [data-flow] .flow__tag[data-seq],.js [data-flow] .flow__loop[data-seq]{transform:translateY(14px) scale(.92);transition:opacity .55s ease,transform .6s cubic-bezier(.34,1.56,.64,1)}
.js [data-flow] .flow__arrow[data-seq]{transition:transform .45s ease,opacity .3s}
.js [data-flow] [data-seq].is-on{opacity:1;transform:none}

/* CTA intermedio con tipeado + footer */
.c-cta .type{display:grid;text-align:center}
.c-cta .type__cursor{background:#B9A9FF}
p.c-back{margin:0;font-size:15px;font-weight:500;color:var(--c-muted)}
p.c-back a{color:var(--c-violet);font-weight:600}
p.c-back a:hover{text-decoration:underline;text-underline-offset:3px}

/* CTA intermedio sobre blanco */
.c-cta{background:#fff;color:var(--c-text)}
.c-cta .c-h2{color:var(--c-text)}
.c-cta .c-p{color:var(--c-muted)}
.c-cta .type__cursor{background:var(--c-violet)}
.c-btn-outline{width:378px;max-width:100%;height:60px;font-size:20px}
.c-btn-outline{width:340px;height:54px;font-size:18px}
.c-btn-outline{font-size:16px;font-weight:600}