:root{
  --navy:#0E1B3D; --navy2:#16275A; --blue:#2F6BFF; --blue2:#1F54D6; --sky:#7FA6FF;
  --ink:#0E1B3D; --muted:#5B6478; --line:#DDE3EF; --bg:#FFFFFF; --soft:#F3F6FC;
  --ok:#0F7B4A; --okbg:#E7F6EE; --warn:#8A5A00; --warnbg:#FFF4D6; --err:#B42318;
  --r:14px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--blue2)}
img{max-width:100%;height:auto}
h1,h2,h3{line-height:1.15;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.6vw,3rem);font-weight:800}
h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:800}
h3{font-size:1.1rem}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.narrow{max-width:760px}
.center{text-align:center}
.block{padding:56px 16px}
.muted{color:var(--muted)} .small{font-size:.88rem}

/* cabecera */
.top{background:var(--navy);color:#fff;position:sticky;top:0;z-index:5}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{color:#fff;text-decoration:none;font-weight:800;font-size:1.15rem;display:flex;align-items:center;gap:10px;letter-spacing:-.01em}
.logo b{color:var(--sky)}
.logo.small{font-size:1rem;color:var(--ink)} .logo.small b{color:var(--blue)}
.mark{width:26px;height:30px;border-radius:5px;background:#fff;position:relative;display:inline-block;box-shadow:inset 0 0 0 3px var(--blue)}
.mark::before{content:"";position:absolute;left:8px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--navy)}
.mark::after{content:"";position:absolute;left:5px;bottom:4px;width:16px;height:7px;border-radius:8px 8px 2px 2px;background:var(--navy)}
.langs{display:flex;gap:4px}
.langs a{color:#cdd7f5;text-decoration:none;font-weight:700;font-size:.85rem;padding:6px 9px;border-radius:8px}
.langs a.on{background:var(--blue);color:#fff}

/* portada */
.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 55%,#22378A 100%);color:#fff;padding:44px 0 56px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.hero-grid>*{min-width:0}
.lead{font-size:1.12rem;color:#DCE4FA;max-width:36em}
.ticks{list-style:none;padding:0;margin:22px 0 0}
.ticks li{padding-left:30px;position:relative;margin:8px 0;color:#fff;font-weight:600}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;width:21px;height:21px;border-radius:50%;background:var(--blue);display:grid;place-items:center;font-size:.8rem}

/* antes / después */
.ba{display:flex;align-items:center;gap:14px;margin:26px 0 6px}
.ba-img{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 14px 34px rgba(0,0,0,.35);background:#fff;flex:none}
.ba-img img{display:block;width:200px;height:250px;object-fit:cover}
.ba-img.after{padding:10px;border-radius:12px}
.ba-img.after img{width:150px;height:auto;border:1px solid var(--line)}
.ba figcaption{position:absolute;left:8px;bottom:8px;background:rgba(14,27,61,.85);color:#fff;font-size:.78rem;font-weight:700;padding:4px 9px;border-radius:999px}
.ba-img.after figcaption{position:static;display:block;margin-top:8px;background:var(--blue);text-align:center}
.ba-arrow{font-size:2rem;font-weight:900;color:var(--sky)}
.trust{background:#0A1430;color:#DCE4FA;font-weight:700;font-size:.92rem}
.trust .wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 34px;padding:14px 16px}
.examples{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin-top:22px}
.ex{margin:0;border:1px solid var(--line);border-radius:var(--r);padding:14px;background:#fff;min-width:0}
.ex-pair{display:grid;grid-template-columns:1.2fr 1fr;gap:12px;align-items:center}
.ex-pair img{width:100%;height:auto;border-radius:10px;display:block}
.ex-pair img.after{border:1px solid var(--line);border-radius:4px}
.ex figcaption{margin-top:10px;font-weight:700}
.flag{font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif}

/* herramienta */
.tool{background:#fff;color:var(--ink);border-radius:20px;padding:22px;box-shadow:0 20px 50px rgba(5,12,40,.35)}
.step{display:block;font-weight:800;margin:4px 0 8px}
select{width:100%;font:inherit;padding:12px;border:2px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
select:focus{outline:none;border-color:var(--blue)}
.spec{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;margin:12px 0 18px;padding:12px 14px;background:var(--soft);border-radius:10px;font-size:.88rem}
.spec div{min-width:0} .spec .wide{grid-column:1/-1}
.spec dt{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.spec dd{margin:0;font-weight:700}
.drop{display:flex;align-items:center;gap:14px;border:2px dashed #B7C4E4;border-radius:12px;padding:16px;cursor:pointer;background:#FAFBFF;position:relative}
.drop:hover,.drop.over{border-color:var(--blue);background:#F1F5FF}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}
.drop img{width:64px;height:80px;object-fit:cover;border-radius:6px;flex:none}
.drop-txt{display:flex;flex-direction:column;min-width:0}
.drop-txt b{color:var(--blue2)} .drop-txt small{color:var(--muted)}
.error{color:var(--err);font-weight:600;margin:12px 0 0}
.working{display:flex;align-items:center;gap:10px;color:var(--muted);margin:12px 0 0;font-weight:600}
.btn{display:inline-block;background:var(--blue);color:#fff;border:0;border-radius:12px;padding:12px 20px;font:inherit;font-weight:800;text-decoration:none;cursor:pointer;text-align:center}
.btn:hover{background:var(--blue2)}
.btn.big{width:100%;padding:16px 20px;font-size:1.08rem;margin-top:16px}
.btn[disabled]{background:#A9B8DE;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--blue2);box-shadow:inset 0 0 0 2px var(--blue);width:100%;margin-top:10px}
.spin{width:20px;height:20px;border-radius:50%;border:3px solid #CFD9F5;border-top-color:var(--blue);display:inline-block;animation:s 0.8s linear infinite;vertical-align:middle}
@keyframes s{to{transform:rotate(360deg)}}

/* secciones */
.band{background:var(--soft);padding:56px 0}
.how{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:n}
.how li{background:#fff;border-radius:var(--r);padding:22px;border:1px solid var(--line);min-width:0}
.ico{display:block;width:56px;height:56px;border-radius:14px;background:var(--navy) center/30px no-repeat;margin-bottom:12px}
.ico.selfie{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237FA6FF' stroke-width='2' stroke-linecap='round'%3E%3Crect x='6' y='2' width='12' height='20' rx='2'/%3E%3Ccircle cx='12' cy='10' r='3'/%3E%3Cpath d='M8 17c1-2 7-2 8 0'/%3E%3C/svg%3E")}
.ico.fix{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237FA6FF' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M4 8V4h4M20 8V4h-4M4 16v4h4M20 16v4h-4'/%3E%3Ccircle cx='12' cy='10' r='3'/%3E%3Cpath d='M7.5 17c1.5-2.5 7.5-2.5 9 0'/%3E%3C/svg%3E")}
.ico.print{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237FA6FF' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9V3h12v6'/%3E%3Crect x='3' y='9' width='18' height='8' rx='2'/%3E%3Cpath d='M6 14h12v7H6z'/%3E%3C/svg%3E")}
.why{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.why li{border:1px solid var(--line);border-radius:var(--r);padding:20px;min-width:0}
.why b{display:block;font-size:1.7rem;color:var(--blue);font-weight:900;margin-bottom:4px}
.docs{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.docs a{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;text-decoration:none;color:var(--ink);font-weight:700;height:100%}
.docs a:hover{border-color:var(--blue)}
.docs small{color:var(--muted);font-weight:500}
details{border-bottom:1px solid var(--line);padding:14px 0}
summary{font-weight:700;cursor:pointer}
details p{color:var(--muted);margin:.6em 0 0}

/* resultado */
.result{display:grid;grid-template-columns:320px 1fr;gap:36px;align-items:start;max-width:920px}
.result>*{min-width:0}
.preview{background:var(--soft);border-radius:var(--r);padding:10px;text-align:center}
.preview img{border:1px solid var(--line);display:block;margin:auto}
.result form{margin:0}
.note{border-radius:12px;padding:14px 16px;margin:14px 0}
.note ul{margin:6px 0 0;padding-left:20px}
.note.ok{background:var(--okbg);color:var(--ok);font-weight:700}
.note.warn{background:var(--warnbg);color:var(--warn)}

/* textos legales */
.legal h2{font-size:1.25rem;margin-top:1.6em}
.legal li{margin:.4em 0}

/* pie */
.foot{background:var(--navy);color:#AFBCDF;padding:30px 0;font-size:.9rem}
.foot .wrap{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.foot .logo.small{color:#fff} .foot .logo.small b{color:var(--sky)}
.foot nav{display:flex;flex-wrap:wrap;gap:14px}
.foot a{color:#DCE4FA;text-decoration:none}
.foot .langs a{padding:0;font-weight:500}

@media (max-width:860px){
  .hero-grid,.result{grid-template-columns:1fr;gap:26px}
  .result .preview{max-width:340px}
  .how,.why{grid-template-columns:1fr}
  .docs{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .ba{gap:8px}
  .ba-img img{width:150px;height:188px}
  .ba-img.after img{width:112px}
  .ba-arrow{font-size:1.5rem}
  .docs{grid-template-columns:1fr}
  .tool{padding:18px}
  .block{padding:40px 16px}
}