:root{
  --bosque:#0F3D33;--bosque2:#12463A;--linea:#2C6B5C;--verde:#1FA37A;--verde-osc:#0B6B4E;--oro:#F5B700;--oro-osc:#B88900;
  --celda:#FFF4C7;--menta:#EEF6F2;--tinta:#10231E;--texto2:#3B524A;--gris:#4A6159;--borde:#D4E6DD;--rojo:#A3261B;
  --display:'Sora',system-ui,sans-serif;--body:'Figtree',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--body);color:var(--tinta);background:#fff;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--display);margin:0;line-height:1.08;letter-spacing:-.02em}
h2{font-size:clamp(30px,4.2vw,44px);font-weight:800;max-width:22ch}
a{color:var(--verde-osc)}
:focus-visible{outline:3px solid var(--oro);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.center{text-align:center;display:flex;flex-direction:column;align-items:center}
.center h2{max-width:none}
.sec{padding:88px 0}
.tint{background:var(--menta)}
.dark{background:var(--bosque);color:#fff}
.sub{font-size:19px;color:var(--texto2);margin:12px 0 28px;max-width:40em}
.sub.light{color:#D7EDE4}
.sub.small{font-size:16px;margin:20px 0 0}
.grid-bg{background-color:var(--bosque);background-image:linear-gradient(#1A4A3F 1px,transparent 1px),linear-gradient(90deg,#1A4A3F 1px,transparent 1px);background-size:120px 44px}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--oro);color:var(--tinta);text-decoration:none;font-weight:800;border:0;border-radius:12px;padding:14px 22px;box-shadow:0 6px 0 var(--oro-osc);cursor:pointer;font-family:var(--body);font-size:16px;min-height:44px;transition:transform .08s,box-shadow .08s}
.btn:active{transform:translateY(4px);box-shadow:0 2px 0 var(--oro-osc)}
.btn-sm{padding:10px 16px;box-shadow:0 4px 0 var(--oro-osc)}
.btn-lg{font-size:19px;padding:18px 30px}
.btn-block{width:100%}
.btn[disabled]{opacity:.6;cursor:progress}

/* header */
.top{background:var(--bosque);color:#fff;border-bottom:1px solid #1E5A4C;position:sticky;top:0;z-index:20}
.row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-family:var(--display);font-weight:800;font-size:19px}
.nav{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.nav a:not(.btn){color:#D7EDE4;text-decoration:none;font-weight:600;font-size:15px}
@media (max-width:640px){.nav a:not(.btn){display:none}}

/* hero */
.hero{color:#fff;padding:56px 0 96px}
.hero-row{display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.hero-copy{flex:1 1 520px;min-width:0;display:flex;flex-direction:column;gap:26px}
.hero-demo{flex:1 1 380px;min-width:0}
.cells{display:flex;flex-direction:column;border-left:1px solid var(--linea);max-width:100%}
.cell{display:flex;align-items:stretch;border-top:1px solid var(--linea)}
.cell:first-child{border-top:0}
.cell.sel{border-bottom:1px solid var(--linea)}
.cell i{font-style:normal;flex:0 0 44px;display:flex;align-items:center;justify-content:center;font-family:var(--body);font-size:14px;color:#8FD3B8;background:var(--bosque2);border-right:1px solid var(--linea);letter-spacing:0}
.cell b{font-weight:800;font-size:clamp(40px,6.2vw,66px);padding:6px 18px;line-height:1.08}
.cell.sel i{background:var(--oro);color:var(--tinta);font-weight:800}
.cell.sel b{background:var(--celda);color:var(--bosque);outline:4px solid var(--verde);outline-offset:-4px}
.lead{margin:0;font-size:20px;color:#D7EDE4;max-width:34em}
.cta-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.cta-note{font-size:15px;color:#BFE3D5;line-height:1.4}
.cta-note strong{color:#fff}

.demo{background:#fff;color:var(--tinta);border-radius:20px;box-shadow:0 30px 70px rgba(0,0,0,.4);overflow:hidden}
.demo-head{background:var(--verde);color:#fff;padding:14px 20px;font-family:var(--display);font-weight:700;font-size:17px}
.demo-body{padding:20px;display:flex;flex-direction:column;gap:12px}
.demo-body label{display:grid;grid-template-columns:minmax(0,1fr) 170px;align-items:center;gap:10px;font-weight:600;font-size:16px}
.demo-body input{font:700 18px var(--body);padding:10px 12px;background:var(--celda);border:2px solid #E8D27A;border-radius:8px;text-align:right;color:var(--tinta);width:100%}
@media (max-width:420px){.demo-body label{grid-template-columns:1fr}}
.bar{height:14px;display:flex;border-radius:7px;overflow:hidden;background:#E3ECE8;margin-top:4px}
.bar span{transition:width .35s ease}
#b-fij{background:var(--bosque)}#b-var{background:var(--verde)}
.keys{display:flex;gap:14px;font-size:13px;color:var(--gris);flex-wrap:wrap}
.keys span{display:flex;align-items:center;gap:6px}
.keys i{width:10px;height:10px;border-radius:2px;display:inline-block}
.k1{background:var(--bosque)}.k2{background:var(--verde)}.k3{background:#E3ECE8}
.result{display:flex;flex-direction:column;gap:2px;border-radius:12px;padding:16px 18px;background:#EAF7F1;color:var(--verde-osc)}
.result.warn{background:var(--celda);color:#7A5200}
.result.bad{background:#FDE8E4;color:var(--rojo)}
.r-lab{font-size:14px;font-weight:700}
.r-val{font-family:var(--display);font-weight:800;font-size:36px}
.r-msg{font-size:15px;color:var(--tinta);line-height:1.4}
.demo small{font-size:12px;color:var(--gris)}

.strip{background:var(--oro)}
.strip-row{display:flex;flex-wrap:wrap;gap:12px 40px;justify-content:center;padding-top:16px;padding-bottom:16px;font-weight:800;font-size:17px}

/* split */
.split{display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.split-copy{flex:1 1 420px;min-width:0;display:flex;flex-direction:column;gap:18px}
.split-copy p{margin:0;font-size:19px;color:var(--texto2)}
.photo{flex:1 1 500px;min-width:0;position:relative;margin:0}
.photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px}
.float{position:absolute;border-radius:14px;padding:12px 16px;box-shadow:0 16px 40px rgba(16,35,30,.25);display:flex;gap:8px;align-items:center;font-weight:700}
.f1{left:-10px;bottom:24px;background:#fff}
.f2{right:-8px;top:24px;background:var(--bosque);color:#fff;flex-direction:column;align-items:flex-start;gap:0}
.f2 small{color:#BFE3D5;font-weight:500}.f2 b{font-family:var(--display);font-size:22px}
@media (max-width:560px){.f1{left:8px}.f2{right:8px}}
.checks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;font-size:18px}
.checks li{padding-left:34px;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:2px;width:24px;height:24px;background:no-repeat center/24px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231FA37A' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E")}

/* libro con pestañas */
.book{background:#fff;border-radius:20px;border:1px solid #C9DDD3;overflow:hidden;box-shadow:0 20px 50px rgba(15,61,51,.12)}
.book-body{padding:32px;display:flex;flex-wrap:wrap;gap:32px;min-height:300px}
.book-info{flex:1 1 320px;min-width:0;display:flex;flex-direction:column;gap:12px}
.book-info h3{font-size:30px;font-weight:800}
.book-info p{margin:0;font-size:18px;color:var(--texto2)}
.pill{align-self:flex-start;font-size:13px;font-weight:700;padding:5px 12px;border-radius:999px;background:#EAF7F1;color:var(--verde-osc)}
.pill.gold{background:var(--celda);color:#7A5200}
.mini{flex:1 1 420px;min-width:0;border-collapse:separate;border-spacing:0;border:1px solid var(--borde);border-radius:12px;overflow:hidden;align-self:flex-start;font-size:15px}
.mini th{background:var(--bosque);color:#fff;text-align:left;padding:10px 12px;font-size:14px}
.mini td{padding:10px 12px;border-top:1px solid #E3ECE8}
.mini td:not(:last-child){background:var(--celda)}
.mini td:last-child{font-weight:700;color:var(--verde-osc)}
.tabs{display:flex;gap:2px;background:#E3ECE8;padding:0 10px;border-top:1px solid #C9DDD3;overflow-x:auto}
.tabs button{border:0;cursor:pointer;white-space:nowrap;font:600 14px var(--body);padding:12px 16px;min-height:44px;background:transparent;color:var(--texto2)}
.tabs button[aria-selected=true]{background:#fff;color:var(--verde-osc);font-weight:800;box-shadow:inset 0 -3px 0 var(--verde)}

/* video */
.video{width:100%;max-width:960px;aspect-ratio:16/9;border-radius:24px;overflow:hidden;background:var(--bosque2);border:1px solid var(--linea);margin-top:8px}
.video video{width:100%;height:100%;display:block;background:#000}

/* tarjetas ejemplo */
.cards3{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:24px;margin-top:32px}
.cards3 article{display:flex;flex-direction:column;gap:12px}
.cards3 img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px}
.cards3 h3{font-size:23px;font-weight:700}
.cards3 p{margin:0;color:var(--texto2)}

/* pasos */
.steps{list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.steps li{background:#fff;border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:8px}
.steps .n{font-family:var(--display);font-weight:800;font-size:44px;color:var(--verde);line-height:1}
.steps b{font-size:20px}
.steps span:last-child{color:var(--texto2)}

/* ticket */
.ticket{width:100%;max-width:480px;background:#fff;color:var(--tinta);padding:34px 30px 46px;box-shadow:0 30px 70px rgba(0,0,0,.4);text-align:left;display:flex;flex-direction:column;gap:14px;
  background-image:radial-gradient(circle at 10px 100%,var(--bosque) 9px,transparent 10px);background-size:20px 20px;background-repeat:repeat-x;background-position:bottom}
.t-head{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center}
.t-head b{font-family:var(--display);font-size:22px}
.t-lines{list-style:none;margin:0;padding:14px 0 0;border-top:2px dashed #C9D6D0;display:flex;flex-direction:column;gap:9px;font-size:16px}
.t-lines li{display:flex;gap:8px;align-items:baseline}
.t-lines i{flex:1;border-bottom:2px dotted #C9D6D0}
.t-total{border-top:2px dashed #C9D6D0;padding-top:14px;display:flex;justify-content:space-between;align-items:baseline;font-weight:800;font-size:18px}
.t-total strong{font-family:var(--display);font-size:40px;color:var(--bosque)}
.t-note{margin:0;font-size:14px;color:var(--gris);text-align:center}
.buy{display:flex;flex-direction:column;gap:8px}
.buy label{font-weight:700;font-size:15px}
.buy input{font:600 17px var(--body);padding:13px 14px;border:2px solid #C9D6D0;border-radius:10px;width:100%}
.buy input:focus{border-color:var(--verde)}
.buy-msg{margin:0;font-size:14px;min-height:1.2em}
.buy-msg.err{color:var(--rojo)}
.t-pay{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;font-size:14px;font-weight:600;color:var(--texto2)}
.t-pay span{border:1px solid #C9D6D0;border-radius:8px;padding:6px 12px}

/* faq */
details{border:1px solid var(--borde);border-radius:14px;margin-top:12px;background:#fff}
details:first-of-type{margin-top:28px}
summary{cursor:pointer;list-style:none;padding:20px 22px;font-weight:700;font-size:19px;display:flex;justify-content:space-between;gap:16px;min-height:44px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--display);color:var(--verde);font-size:24px;line-height:1}
details[open] summary::after{content:"−"}
details p{margin:0;padding:0 22px 20px;color:var(--texto2)}

.foot{background:var(--bosque);color:#BFE3D5;padding:30px 20px;text-align:center;font-size:14px;line-height:1.6}