/* VisionD · visiond.pe — identidad del BrandBook: Dark Black / Dark Blue de fondo, Blue Yale de acento, Sky Lightblue de apoyo. */
:root{
  --black:#020b19; --navy:#03132b; --navy-2:#0a1f40; --blue:#185efb; --sky:#b6e1fc;
  --fg:#eaf3fe; --muted:#a3b8d3; --line:rgba(182,225,252,.14);
  --f-display:"Montserrat","Gotham","Helvetica Neue",Arial,sans-serif;
  --f-body:"Poppins","Segoe UI",system-ui,sans-serif;
  --gutter:clamp(16px,5vw,48px);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--black);color:var(--fg);font:400 16px/1.7 var(--f-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--sky)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-family:var(--f-display);line-height:1.15;margin:0;text-wrap:balance}
p{margin:0}
.wrap{max-width:1160px;margin:0 auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:99;background:var(--blue);color:#fff;padding:.5rem 1rem;border-radius:8px}

/* Header */
.site-head{position:sticky;top:0;z-index:30;background:rgba(2,11,25,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:66px}
.site-head .logo img{height:24px;width:auto}
.site-head nav{display:flex;gap:.2rem;flex-wrap:wrap;justify-content:flex-end}
.site-head nav a{font:600 .86rem var(--f-display);color:var(--muted);text-decoration:none;padding:.5rem .75rem;border-radius:999px}
.site-head nav a:hover,.site-head nav a[aria-current="page"]{color:#fff}
.site-head nav a.cta{background:var(--blue);color:#fff}

/* Shared */
.eyebrow{font:600 .74rem var(--f-display);letter-spacing:.16em;text-transform:uppercase;color:var(--sky)}
.dot{display:flex;align-items:center;gap:.65rem}
.dot::before{content:"";width:.6rem;height:.6rem;border-radius:50%;background:var(--blue);box-shadow:0 0 14px rgba(24,94,251,.8);flex:none}
.btn{display:inline-flex;align-items:center;gap:.5rem;font:600 .95rem var(--f-display);text-decoration:none;padding:.85rem 1.3rem;border-radius:999px;background:var(--blue);color:#fff;border:1px solid var(--blue)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(182,225,252,.35)}
.btn:hover{filter:brightness(1.1)}
section{padding-block:clamp(64px,9vw,120px)}
.section-title{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:700;letter-spacing:-.01em}
.lede{color:var(--muted);font-size:1.05rem;max-width:62ch}

/* Hero */
.hero{position:relative;isolation:isolate;overflow:hidden;padding-block:clamp(80px,13vw,170px) clamp(64px,9vw,120px)}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:65% 40%;z-index:-2}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--black) 0%,rgba(2,11,25,.9) 35%,rgba(2,11,25,.3) 72%,rgba(2,11,25,.1) 100%),linear-gradient(0deg,var(--black) 0%,transparent 30%)}
.hero .wrap{display:grid;gap:1.5rem}
.hero h1{font-size:clamp(2.8rem,8vw,6rem);font-weight:800;letter-spacing:-.03em;line-height:1}
.hero h1 span{display:block;color:var(--sky);font-size:.52em;font-weight:700;letter-spacing:-.01em;margin-top:.35em}
.hero p{color:#c9dbf2;max-width:46ch;font-size:1.08rem}
.hero .actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:.4rem}
.caption{justify-self:start;max-width:410px;background:rgba(3,19,43,.6);border:1px solid rgba(182,225,252,.25);border-radius:12px;padding:.8rem 1rem;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);font-family:var(--f-display)}
.caption small{display:flex;align-items:center;gap:.45rem;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--sky)}
.caption small i{width:7px;height:7px;border-radius:50%;background:#ff5d5d;animation:pulse 1.6s infinite}
.caption .old{color:rgba(255,255,255,.55);font-size:.92rem;margin-top:.3rem}
.caption .now{color:#fff;font-weight:600;font-size:1.04rem}
.caption .now::after{content:"";display:inline-block;width:.55ch;height:1em;background:var(--blue);vertical-align:-.12em;margin-left:3px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}@keyframes pulse{50%{opacity:.35}}

/* Intro */
.intro{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(32px,6vw,80px);align-items:center}
.intro .text{display:grid;gap:1.2rem}
.intro figure{margin:0;border-radius:20px;overflow:hidden;aspect-ratio:3/4;max-height:620px}
.intro figure img{width:100%;height:100%;object-fit:cover}
.pillars{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:.6rem}
.pillars div{background:var(--black);padding:1rem 1.1rem}
.pillars b{display:block;font-family:var(--f-display);font-size:.98rem}
.pillars span{color:var(--muted);font-size:.86rem}

/* How */
.how{background:var(--navy);border-block:1px solid var(--line)}
.how .head{display:grid;gap:1rem;margin-bottom:2.6rem}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem;list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{position:relative;padding:1.6rem 1.4rem;border-radius:18px;background:var(--black);border:1px solid var(--line);display:grid;gap:.6rem;align-content:start}
.steps li::before{counter-increment:s;content:"0" counter(s);font:800 2.4rem/1 var(--f-display);color:transparent;-webkit-text-stroke:1px var(--blue)}
.steps h3{font-size:1.2rem}
.steps p{color:var(--muted);font-size:.95rem}

/* App */
.app{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(32px,6vw,80px);align-items:center}
.app figure{margin:0;border-radius:20px;overflow:hidden;background:#000}
.app ul{list-style:none;margin:0;padding:0;display:grid;gap:.1rem}
.app li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.9rem;padding:1rem 0;border-bottom:1px solid var(--line)}
.app li b{font-family:var(--f-display)}
.app li p{color:var(--muted);font-size:.93rem}
.app li svg{width:22px;height:22px;stroke:var(--sky);fill:none;stroke-width:1.6;margin-top:.2rem}
.badge{display:inline-flex;align-items:center;gap:.5rem;font:600 .82rem var(--f-display);color:var(--sky);border:1px dashed rgba(182,225,252,.4);padding:.55rem .9rem;border-radius:999px;width:max-content;max-width:100%}

/* Purpose band */
.band{position:relative;isolation:isolate;overflow:hidden;text-align:left}
.band>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1;opacity:.55}
.band blockquote{margin:0;font:700 clamp(1.6rem,4vw,2.9rem)/1.2 var(--f-display);max-width:22ch;letter-spacing:-.01em}
.band blockquote em{font-style:normal;color:var(--sky)}
.band p{color:#c9dbf2;margin-top:1.2rem;max-width:56ch}

/* Contact */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,80px);align-items:start}
.contact .cards{display:grid;gap:.8rem}
.contact .card{background:var(--navy);border:1px solid var(--line);border-radius:16px;padding:1.2rem 1.3rem;display:grid;gap:.25rem}
.contact .card span{color:var(--muted);font-size:.86rem}
.contact .card a,.contact .card strong{font:600 1.08rem var(--f-display);color:#fff;text-decoration:none;word-break:break-word}

/* Footer */
.site-foot{border-top:1px solid var(--line);padding-block:44px;background:var(--black)}
.site-foot .wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1.5rem;align-items:end}
.site-foot img{height:26px;width:auto}
.site-foot .legal{color:var(--muted);font-size:.84rem;margin-top:.8rem}
.site-foot nav{display:flex;gap:1.2rem;flex-wrap:wrap;font-size:.9rem}
.site-foot nav a{color:var(--fg);text-decoration:none}
.site-foot nav a:hover{color:var(--sky)}

/* Document pages (privacidad / soporte) */
.doc-hero{padding-block:clamp(56px,8vw,96px) 32px;border-bottom:1px solid var(--line);background:radial-gradient(800px 300px at 85% 0%,rgba(24,94,251,.28),transparent 70%)}
.doc-hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;letter-spacing:-.02em;margin-top:.6rem}
.doc-hero p{color:var(--muted);margin-top:.8rem;max-width:62ch}
.doc{display:grid;grid-template-columns:230px minmax(0,1fr);gap:clamp(24px,5vw,64px);padding-block:48px 96px}
.toc{position:sticky;top:90px;align-self:start;display:grid;gap:.15rem;font-size:.86rem}
.toc a{color:var(--muted);text-decoration:none;padding:.3rem 0;line-height:1.35}
.toc a:hover{color:#fff}
.prose{max-width:70ch;display:grid;gap:1rem}
.prose h2{font-size:1.35rem;font-weight:700;margin-top:1.6rem;scroll-margin-top:90px}
.prose h2:first-child{margin-top:0}
.prose ul{margin:0;padding-left:1.2rem;display:grid;gap:.45rem}
.prose li::marker{color:var(--blue)}
.prose strong{color:#fff}
.prose .box{background:var(--navy);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:0 12px 12px 0;padding:1rem 1.2rem}
.prose table{border-collapse:collapse;width:100%;font-size:.92rem}
.prose th,.prose td{text-align:left;padding:.65rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font:600 .74rem var(--f-display);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
details{background:var(--navy);border:1px solid var(--line);border-radius:14px;padding:0 1.2rem}
details+details{margin-top:.6rem}
summary{cursor:pointer;list-style:none;font:600 1.02rem var(--f-display);padding:1.05rem 0;display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--sky);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details>div{padding-bottom:1.1rem;color:var(--muted);display:grid;gap:.6rem}
details ol{margin:0;padding-left:1.2rem;display:grid;gap:.3rem}

@media (max-width:900px){
  .intro,.app,.contact,.doc{grid-template-columns:1fr}
  .intro figure{max-height:460px;aspect-ratio:4/5}
  .steps{grid-template-columns:1fr}
  .toc{position:static;border:1px solid var(--line);border-radius:12px;padding:.8rem 1rem}
  .app figure{max-width:420px}
}
@media (max-width:640px){
  .site-head nav a:not(.cta){display:none}
  .hero::before{background:linear-gradient(180deg,rgba(2,11,25,.45) 0%,rgba(2,11,25,.88) 50%,var(--black) 100%)}
  .pillars{grid-template-columns:1fr}
  .site-foot .wrap{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}