/* ============================================================
   Vitia Clinic — hoja de estilos del sitio
   Paleta oficial: azul #2A4860 · naranjo #E18321 · grises 20/40/60
   ============================================================ */
:root{
  --azul:#2A4860;--deep:#1D3446;--naranjo:#E18321;--naranjo-txt:#B0650C;
  --ink:#1B2A36;--ink2:#5E6B75;--ink3:#838383;
  --linea:#DADADA;--paper:#F1F2F3;--card:#FFFFFF;
  --rojo:#A8331F;--rojo-soft:#F8E1DC;--verde:#2E7D53;--verde-soft:#DFF0E4;--amber-soft:#FBEAD5;
  --body:"Public Sans",system-ui,-apple-system,sans-serif;
  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --marca:"Poppins",var(--display);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.68;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
h1,h2,h3,h4{margin:0;letter-spacing:-.025em;line-height:1.15;font-family:var(--display);font-weight:800}
p{margin:0 0 1.05em}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
:focus-visible{outline:2px solid var(--azul);outline-offset:3px;border-radius:3px}
.wrap{max-width:1140px;margin:0 auto;padding:0 28px}
section{padding:82px 0}
.band{background:var(--card);border-top:1px solid var(--linea);border-bottom:1px solid var(--linea)}
.dark{background:var(--deep);color:#DCE9E8}
.dark h2,.dark h3{color:#fff}
.dark p{color:#A9BECB}

.eyebrow{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--naranjo-txt);margin-bottom:12px}
.eyebrow.pale{color:#8FAEC4}
.h2{font-size:clamp(27px,3.6vw,41px);max-width:21ch}
.h2 em{font-style:normal;color:var(--azul)}
.dark .h2 em{color:#7FB4D6}
.lead{font-size:19px;color:var(--ink2);max-width:62ch;margin:0}

.btn{display:inline-block;background:var(--azul);color:#fff;padding:13px 24px;border-radius:8px;font-weight:600;font-size:15px;transition:.18s;border:1px solid var(--azul)}
.btn:hover{background:#22394C;transform:translateY(-1px)}
.btn.sm{padding:9px 16px;font-size:14px}
.btn.fantasma{background:transparent;color:var(--azul);border-color:var(--linea)}
.btn.fantasma:hover{background:#fff;border-color:var(--azul)}
.btn.linea{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn.linea:hover{background:rgba(255,255,255,.12)}
.btn.blanco{background:#fff;color:var(--azul);border-color:#fff}
.btn.blanco:hover{background:#EEF1F4}

/* ---------- navegación ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(241,242,243,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--linea);transition:box-shadow .25s}
.nav.stuck{box-shadow:0 4px 20px rgba(27,42,54,.07)}
.nav .wrap{display:flex;align-items:center;gap:26px;height:74px}
.logo{display:flex;align-items:center;gap:10px}
.logo svg{width:58px;height:35px;flex:none}
.logo b{font-family:var(--marca);font-weight:600;font-size:22px;letter-spacing:-.03em;color:var(--azul)}
.logo b i{font-style:normal;font-weight:400;color:var(--ink3);margin-left:5px}
.menu{display:flex;gap:4px;margin-left:auto;align-items:center;list-style:none;margin-block:0;padding:0}
.menu a{display:block;font-size:14.5px;color:var(--ink2);padding:10px 12px;border-radius:7px;cursor:pointer}
.menu a:hover{color:var(--ink);background:rgba(27,42,54,.05)}
.burger{display:none;margin-left:auto;font-size:24px;padding:6px 10px}
[data-goto],.lnk{cursor:pointer}
.pend{opacity:.5}
section[id]{scroll-margin-top:90px}

/* ---------- hero ---------- */
.hero{padding:86px 0 78px;position:relative;overflow:hidden}
.hero .wrap{position:relative;z-index:2}
.hero h1{font-size:clamp(38px,5.6vw,62px);max-width:17ch}
.hero h1 span{color:var(--azul)}
.hero .lead{margin-top:24px;font-size:20.5px}
.acts{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.nota-hero{margin-top:18px;font-size:14px;color:var(--ink3)}
.marca-fondo{position:absolute;right:-30px;top:64px;width:44%;max-width:520px;z-index:1;pointer-events:none;opacity:.5}
.marca-fondo rect{opacity:0;animation:subir .75s cubic-bezier(.2,.8,.3,1) forwards}
.marca-fondo g:last-child rect{animation-delay:.35s}
@keyframes subir{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media(max-width:940px){.marca-fondo{display:none}}

/* ---------- problema ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.dos-col{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.tres{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:40px}
@media(max-width:940px){.two,.dos-col,.tres{grid-template-columns:1fr;gap:32px}}

.cifras{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cifra{background:var(--paper);border:1px solid var(--linea);border-radius:13px;padding:20px}
.cifra .n{font-family:var(--display);font-weight:800;font-size:32px;letter-spacing:-.03em;color:var(--azul)}
.cifra .l{font-size:13px;color:var(--ink2);margin-top:4px;line-height:1.4}
.cifra.destacada{background:var(--rojo-soft);border-color:#E9C4BB}
.cifra.destacada .n{color:var(--rojo)}

.nota{background:var(--amber-soft);border:1px solid #EBD3A8;border-radius:11px;padding:17px 21px;margin-top:34px;font-size:14.5px;color:#7A4E06}
.nota b{display:block;margin-bottom:4px;color:#6B4405}
.enlace{text-decoration:underline;font-weight:600}

/* ---------- demo ---------- */
.demo-wrap{display:grid;grid-template-columns:1.25fr 1fr;gap:28px;align-items:start;margin-top:34px}
@media(max-width:940px){.demo-wrap{grid-template-columns:1fr}}
.demo{background:var(--card);border:1px solid var(--linea);border-radius:15px;overflow:hidden}
.demo-h{padding:13px 18px;border-bottom:1px solid var(--linea);display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--ink2)}
.reloj{font-weight:600;color:var(--ink)}
.demo-b{padding:10px 18px 18px}
.slot{display:flex;align-items:center;gap:11px;background:#fff;border:1px solid var(--linea);border-left:4px solid var(--ink3);border-radius:8px;padding:12px 15px;margin-top:10px;transition:.35s}
.slot .nm{font-weight:600;font-size:14.5px}
.slot .hr{font-size:12.5px;color:var(--ink3);margin-left:auto}
.st{font-size:9.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:3px 8px;border-radius:4px;background:#EDEDEE;color:var(--ink2);white-space:nowrap}
.slot.ok{border-left-color:var(--verde)}
.slot.ok .st{background:var(--verde-soft);color:var(--verde)}
.slot.riesgo{border-left-color:var(--naranjo);background:#FFFCF6}
.slot.riesgo .st{background:var(--amber-soft);color:var(--naranjo-txt)}
.slot.libre{border-left-color:var(--rojo);background:repeating-linear-gradient(135deg,#FDF3F1,#FDF3F1 7px,#FAE7E3 7px,#FAE7E3 14px)}
.slot.libre .st{background:var(--rojo-soft);color:var(--rojo)}
.slot.resc{border-left-color:var(--verde);background:var(--verde-soft)}
.slot.resc .st{background:var(--verde);color:#fff}
.demo-f{padding:15px 18px;border-top:1px solid var(--linea);display:flex;align-items:center;gap:13px;flex-wrap:wrap}
.demo-f .msg{font-size:13.5px;color:var(--ink2);flex:1;min-width:190px}

.pasos{list-style:none;margin:0;padding:0;counter-reset:p}
.pasos li{counter-increment:p;position:relative;padding:13px 0 13px 44px;border-bottom:1px solid var(--linea);opacity:.42;transition:opacity .3s}
.pasos li:last-child{border-bottom:none}
.pasos li::before{content:counter(p);position:absolute;left:0;top:14px;width:27px;height:27px;border-radius:50%;background:var(--paper);border:1px solid var(--linea);display:grid;place-items:center;font-size:12px;font-weight:700;color:var(--ink3)}
.pasos li.on{opacity:1}
.pasos li.on::before{background:var(--azul);border-color:var(--azul);color:#fff}
.pasos b{display:block;font-size:14.5px;font-weight:600}
.pasos span{font-size:13px;color:var(--ink2)}

/* ---------- cómo funciona ---------- */
.ico{width:44px;height:44px;border-radius:11px;background:rgba(255,255,255,.09);display:grid;place-items:center;margin-bottom:16px}
.ico svg{width:22px;height:22px;stroke:#F0B95F;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tres h3{font-size:18.5px;font-weight:600;margin-bottom:9px}
.tres p{font-size:15px;margin:0}

/* ---------- listas y tarjetas ---------- */
.nolist{list-style:none;margin:0;padding:0}
.nolist li{padding:14px 0 14px 34px;position:relative;border-bottom:1px solid var(--linea);font-size:15.5px;color:var(--ink2)}
.nolist li:last-child{border-bottom:none}
.nolist li::before{content:"";position:absolute;left:4px;top:23px;width:14px;height:1.6px;background:var(--naranjo)}
.tarjeta{background:var(--paper);border:1px solid var(--linea);border-radius:16px;padding:28px}
.chiprow{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}
.chip{font-size:11.5px;font-weight:600;border:1px solid var(--linea);background:#fff;padding:7px 13px;border-radius:99px;color:var(--ink2)}

/* ---------- cierre y pie ---------- */
.cta{background:var(--azul);color:#fff;border-radius:20px;padding:54px 48px;display:flex;gap:34px;align-items:center;flex-wrap:wrap}
.cta h2{font-size:clamp(25px,3.2vw,36px);max-width:17ch;color:#fff}
.cta p{color:#B3C6D4;margin:12px 0 0;max-width:48ch}
.cta .side{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap}
footer{background:var(--deep);color:#93A7B5;padding:58px 0 28px;font-size:14px}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
@media(max-width:760px){.fgrid{grid-template-columns:1fr 1fr}}
footer h4{color:#fff;font-size:12px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;margin-bottom:14px;font-family:var(--body)}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin-bottom:9px}
footer a:hover{color:#fff}
.fbot{display:flex;justify-content:space-between;gap:16px;padding-top:22px;flex-wrap:wrap;font-size:13px;color:#6E8396}

/* ---------- modal ---------- */
.back{position:fixed;inset:0;background:rgba(29,52,70,.55);backdrop-filter:blur(3px);display:none;place-items:center;z-index:80;padding:20px}
.back.on{display:grid}
.modal{background:var(--card);border-radius:18px;max-width:470px;width:100%;padding:34px;animation:subirModal .28s ease}
@keyframes subirModal{from{transform:translateY(16px);opacity:0}to{transform:none;opacity:1}}
.modal h3{font-size:24px;margin-bottom:8px}
.modal p{color:var(--ink2);font-size:15px}
.modal input{width:100%;padding:12px 14px;border:1px solid var(--linea);border-radius:9px;margin-bottom:11px;font-family:var(--body);font-size:15px}
.modal input:focus{border-color:var(--azul);outline:none}
.modal .x{float:right;font-size:22px;color:var(--ink3);margin-top:-8px}
.fino{font-size:12.5px;color:var(--ink3);margin:14px 0 0}

/* ---------- aparición al hacer scroll ---------- */
.rev{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.rev.in{opacity:1;transform:none}

@media(max-width:900px){
  .menu{display:none;position:absolute;top:74px;left:0;right:0;background:var(--card);border-bottom:1px solid var(--linea);flex-direction:column;align-items:stretch;padding:12px;gap:2px;max-height:calc(100vh - 74px);overflow-y:auto;box-shadow:0 16px 34px rgba(27,42,54,.12)}
  .menu.open{display:flex}
  .menu a{padding:13px 12px;font-size:16px}
  .burger{display:block}
  .nav>.wrap>.btn{display:none}
  .cifras{grid-template-columns:1fr 1fr}
  .cta{padding:38px 26px}
}
@media(prefers-reduced-motion:reduce){
  .rev{opacity:1;transform:none;transition:none}
  .marca-fondo rect{opacity:1;animation:none}
  html{scroll-behavior:auto}
}
@media print{
  .nav,.back,.acts,.cta .side{display:none}
  body{background:#fff}
  .rev{opacity:1;transform:none}
}