/* SIT Cambio — tokens. Acento verde tomado de la captura del producto (#027d4e). */
@font-face{font-family:"Barlow";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/barlow-400.woff2") format("woff2")}
@font-face{font-family:"Barlow";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/barlow-500.woff2") format("woff2")}
@font-face{font-family:"Barlow";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/barlow-700.woff2") format("woff2")}
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/barlow-condensed-400.woff2") format("woff2")}
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/barlow-condensed-600.woff2") format("woff2")}

:root{
  --bg:#f3f6f4;
  --surface:#e9efeb;
  --text:#14201b;
  --muted:#4a5a53;
  --line:#cfd9d3;

  --accent-100:#e8f7ee;
  --accent-200:#cdeedb;
  --accent-300:#9fe0b8;
  --accent-400:#86e0a0;
  --accent-500:#05a066;
  --accent-600:#027d4e;
  --accent-700:#0a5c3e;
  --accent-800:#064a32;
  --accent-900:#043524;

  --font-body:"Barlow",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-head:"Barlow Condensed","Barlow",system-ui,sans-serif;
  --wrap:1120px;
  --gutter:24px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
h1,h2,h3{font-family:var(--font-head);font-weight:600;text-transform:uppercase;line-height:1;letter-spacing:.005em;margin:0}
p{margin:0}
a{color:var(--accent-700);text-underline-offset:3px}
a:hover{color:var(--accent-900)}
:focus-visible{outline:2px solid var(--accent-600);outline-offset:3px}
::selection{background:var(--accent-300)}
.skip{position:absolute;left:-9999px;top:8px;background:var(--accent-700);color:#fff;padding:8px 14px;z-index:20}
.skip:focus{left:8px}

.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
.kicker{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-700);font-weight:500}

/* header */
.site-header{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:10}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.brand img{width:38px;height:38px}
.brand span{font-family:var(--font-head);font-weight:600;font-size:28px;letter-spacing:.03em;line-height:1}
.by{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--accent-700);text-decoration:none;margin-left:auto}
.by img{width:34px;height:34px;mix-blend-mode:multiply}
.nav{display:flex;gap:22px;font-size:15px}
.nav a{color:var(--text);text-decoration:none;padding-block:4px;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--accent-600)}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:500 15px/1.2 var(--font-body);padding:13px 22px;border:1px solid var(--line);color:var(--text);background:transparent;text-decoration:none;cursor:pointer;transition:background-color .2s,border-color .2s,transform .2s}
.btn-primary{background:var(--accent-600);border-color:var(--accent-600);color:#fff}
.btn-primary:hover:not(:disabled){background:var(--accent-700);border-color:var(--accent-700);color:#fff}
.btn:active:not(:disabled){transform:scale(.97)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.tag{display:inline-flex;font-size:12px;letter-spacing:.06em;text-transform:uppercase;font-weight:500;padding:4px 12px;background:var(--accent-100);color:var(--accent-800);border:1px solid var(--accent-200)}

/* blueprint */
.blueprint{position:relative;border:1px solid var(--line)}
.blueprint>.corner{position:absolute;width:11px;height:11px;color:var(--accent-700);pointer-events:none}
.blueprint>.corner::before,.blueprint>.corner::after{content:"";position:absolute;background:currentColor}
.blueprint>.corner::before{left:5px;top:0;width:1px;height:100%}
.blueprint>.corner::after{top:5px;left:0;width:100%;height:1px}
.corner.tl{top:-6px;left:-6px}.corner.tr{top:-6px;right:-6px}.corner.bl{bottom:-6px;left:-6px}.corner.br{bottom:-6px;right:-6px}

/* hero */
.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:48px;align-items:center;padding-block:64px 48px}
.hero h1{font-size:clamp(44px,7vw,76px);line-height:.95;margin:20px 0 16px}
.hero h1 em{font-style:normal;color:var(--accent-600)}
.hero p.lead{font-size:18px;max-width:520px;margin-bottom:28px;color:var(--muted)}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-shot{padding:12px;background:var(--accent-100)}
.hero-shot img{width:100%}

/* secciones */
section.block{padding-block:32px}
.rule-grid{display:grid;border:1px solid var(--line)}
.steps{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.step{padding:28px;border-right:1px solid var(--line);margin:0 -1px -1px 0;border-bottom:1px solid var(--line)}
.step .n{font-family:var(--font-head);font-size:44px;color:var(--accent-600);line-height:1}
.step h3{font-size:28px;margin:6px 0 8px}
.step p{color:var(--muted)}
.coins{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));border-bottom:0;border-right:0}
.coin{padding:18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background-color .2s}
.coin:hover{background:var(--accent-100)}
.coin b{display:block;font-family:var(--font-head);font-size:32px;font-weight:600;line-height:1.1}
.note{font-size:14px;color:var(--accent-700);margin-top:12px}
.notes{padding:28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;background:var(--accent-100)}
.notes h3{font-size:26px;margin-bottom:8px}
.notes p{color:var(--muted)}

/* páginas internas */
.doc{max-width:760px;margin:0 auto;padding:56px var(--gutter) 72px}
.doc h1{font-size:clamp(40px,6vw,64px);margin:16px 0 10px}
.doc .meta{color:var(--accent-700);margin-bottom:32px}
.item{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:22px 0;border-top:1px solid var(--line)}
.item .n{font-family:var(--font-head);font-size:30px;color:var(--accent-600);line-height:1}
.item h2{font-size:26px;margin-bottom:6px}
.item p{color:var(--muted)}
.contact{padding:28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-block:8px 40px;background:var(--accent-100)}
.contact .mail{font-family:var(--font-head);font-size:clamp(24px,4vw,32px);word-break:break-all;line-height:1.1}
.faq{padding:20px 0;border-top:1px solid var(--line)}
.faq h2{font-size:24px;margin-bottom:6px}
.faq p{color:var(--muted)}

/* footer */
.site-footer{border-top:1px solid var(--line);margin-top:48px}
.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-block:24px;font-size:14px}
.site-footer .who{display:flex;align-items:center;gap:12px}
.site-footer img{width:34px;height:34px;mix-blend-mode:multiply}
.site-footer .links{display:flex;gap:20px}

/* movimiento: GSAP los anima; sin JS o con reduced-motion queda todo visible */
.js .reveal{opacity:0;transform:translateY(18px)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none}
  .btn{transition:none}
}
@media (max-width:560px){
  .by{margin-left:0}
  .site-header{position:static}
}

.mt16{margin-top:16px}.mt28{margin-top:28px}.mb8{margin-bottom:8px}.pb16{padding-bottom:16px}
.doc.wide{max-width:900px}