/* RIVERGREEN SOLUTIONS · versión vanguardia · sans del sistema, claro y oscuro */
:root{
  --fondo:#fbfbf9;--sup:#ffffff;--sup2:#f2f3ef;--tx:#0d1511;--tx2:#46524b;--lin:rgba(13,21,17,.12);--lin2:rgba(13,21,17,.2);
  --ac:#0a6b3d;--ac-s:rgba(10,107,61,.09);--bt-f:#0d1511;--bt-t:#ffffff;--vid:rgba(251,251,249,.78);
  --sombra:0 1px 2px rgba(13,21,17,.05),0 12px 32px -18px rgba(13,21,17,.18);--bisel:#12161a;--grano:.035;
  --f:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --r:16px;--max:1180px;color-scheme:light}
[data-tema=oscuro]{
  --fondo:#090e0c;--sup:#111a16;--sup2:#0e1512;--tx:#eef4f0;--tx2:#a5b4ab;--lin:rgba(238,244,240,.11);--lin2:rgba(238,244,240,.2);
  --ac:#5fd39a;--ac-s:rgba(95,211,154,.1);--bt-f:#eef4f0;--bt-t:#08100c;--vid:rgba(9,14,12,.74);
  --sombra:0 1px 0 rgba(255,255,255,.03) inset,0 20px 40px -24px rgba(0,0,0,.7);--bisel:#050807;--grano:.06;color-scheme:dark}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--fondo);color:var(--tx);font:400 1.0625rem/1.65 var(--f);letter-spacing:-.005em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.035em;line-height:1.05}
p{margin:0}
.cont{width:min(100% - 2.5rem,var(--max));margin-inline:auto}
.salto{position:absolute;left:1rem;top:-4rem;background:var(--bt-f);color:var(--bt-t);padding:.75rem 1.1rem;border-radius:10px;z-index:100;text-decoration:none;font-weight:600}
.salto:focus{top:1rem}
:focus-visible{outline:2px solid var(--ac);outline-offset:3px;border-radius:6px}
.rejilla{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(var(--lin) 1px,transparent 1px),linear-gradient(90deg,var(--lin) 1px,transparent 1px);
  background-size:72px 72px;opacity:.35;-webkit-mask-image:radial-gradient(ellipse 80% 55% at 50% 0,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 80% 55% at 50% 0,#000 20%,transparent 75%)}
body::after{content:"";position:fixed;inset:0;z-index:90;pointer-events:none;opacity:var(--grano);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E");mix-blend-mode:multiply}
[data-tema=oscuro] body::after{mix-blend-mode:screen}

/* Cabecera */
.cab{position:sticky;top:0;z-index:50;background:var(--vid);-webkit-backdrop-filter:saturate(1.6) blur(16px);backdrop-filter:saturate(1.6) blur(16px);border-bottom:1px solid transparent;transition:border-color .3s}
.cab.sombra{border-bottom-color:var(--lin)}
.cab-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:68px}
.marca{display:flex;align-items:center;gap:.7rem;text-decoration:none;font-weight:700;letter-spacing:.14em;font-size:.8rem}
.marca b{font-weight:500;color:var(--tx2)}
.marca img{width:30px;height:auto}
.nav{display:flex;align-items:center;gap:.4rem}
.nav a{text-decoration:none;font-size:.92rem;color:var(--tx2);padding:.65rem .8rem;border-radius:999px;transition:color .2s,background .2s;min-height:44px;display:inline-flex;align-items:center}
.nav a:hover{color:var(--tx);background:var(--ac-s)}
.nav .nav-cta{background:var(--bt-f);color:var(--bt-t);font-weight:600;margin-left:.4rem;padding-inline:1.1rem}
.nav .nav-cta:hover{background:var(--bt-f);color:var(--bt-t);opacity:.88}
.cab-acc{display:flex;align-items:center;gap:.4rem}
.tema-btn,.menu-btn{width:44px;height:44px;border-radius:999px;border:1px solid var(--lin);background:transparent;color:var(--tx);cursor:pointer;display:inline-grid;place-items:center;transition:border-color .2s,background .2s}
.tema-btn:hover,.menu-btn:hover{border-color:var(--lin2);background:var(--ac-s)}
.tema-btn svg{width:20px;height:20px;grid-area:1/1;transition:transform .5s cubic-bezier(.2,.8,.2,1),opacity .3s}
.i-sol{opacity:0;transform:rotate(-60deg) scale(.6)}
[data-tema=oscuro] .i-sol{opacity:1;transform:none}
[data-tema=oscuro] .i-luna{opacity:0;transform:rotate(60deg) scale(.6)}
.menu-btn{display:none;gap:5px;align-content:center}
.menu-btn span{display:block;width:18px;height:1.6px;background:currentColor;grid-area:auto;transition:transform .3s}
.menu-btn{grid-auto-flow:row}

/* Tipografía de sección */
.etq{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;font-weight:600;color:var(--ac);margin-bottom:1.4rem;display:flex;align-items:center;gap:.8rem}
.etq::before{content:"";width:28px;height:1px;background:currentColor}
.sec{padding:clamp(5rem,11vw,9.5rem) 0}
.sec-tono{background:var(--sup2);border-block:1px solid var(--lin)}
.enc{max-width:46rem;margin-bottom:clamp(2.5rem,6vw,4.5rem)}
.enc h2,.demo-grid h2{font-size:clamp(2.1rem,4.8vw,3.6rem)}
.lead{font-size:1.15rem;color:var(--tx2);margin-top:1.4rem;max-width:38rem}

/* Hero */
.hero{padding:clamp(3.5rem,8vw,7rem) 0 0;position:relative;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
.hero h1{font-size:clamp(2.8rem,7.4vw,6rem);letter-spacing:-.045em;line-height:.98;font-weight:700}
.sub{font-size:clamp(1.1rem,1.6vw,1.3rem);color:var(--tx2);margin-top:1.8rem;max-width:34rem}
.ctas{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2.4rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:52px;padding:.8rem 1.7rem;border-radius:999px;font:600 1rem var(--f);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s,background .2s,border-color .2s}
.btn-p{background:var(--bt-f);color:var(--bt-t)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 10px 24px -10px var(--tx)}
.btn-s{border-color:var(--lin2);color:var(--tx)}
.btn-s:hover{border-color:var(--tx);transform:translateY(-2px)}
.btn-full{width:100%}
.hero-fig{position:relative;min-height:540px;display:grid;place-items:center}
.hero-halo{position:absolute;width:78%;aspect-ratio:1;border-radius:50%;background:radial-gradient(closest-side,var(--ac-s),transparent);filter:blur(10px)}
.hero-fig .tel{position:absolute;width:min(46%,230px)}
.tel-a{left:12%;top:2%;z-index:2;transform:rotate(-3deg)}
.tel-b{right:4%;top:14%;transform:rotate(3deg)}
.datos{margin-top:clamp(3.5rem,7vw,6rem)}
.datos dl{display:grid;grid-template-columns:repeat(4,1fr);margin:0;border-top:1px solid var(--lin)}
.datos div{padding:1.6rem 1.4rem 2rem 0}
.datos div+div{padding-left:1.4rem;border-left:1px solid var(--lin)}
.datos dt{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--tx2);margin-bottom:.5rem}
.datos dd{margin:0;font-size:1.2rem;font-weight:600;letter-spacing:-.02em}

/* Marcos de celular */
.tel{margin:0;width:100%;max-width:230px}
.tel-in{background:var(--bisel);padding:7px;border-radius:34px;box-shadow:var(--sombra),0 0 0 1px var(--lin2);position:relative}
.tel-in::before{content:"";position:absolute;top:13px;left:50%;width:30%;height:5px;border-radius:5px;background:var(--bisel);transform:translateX(-50%);z-index:2;opacity:.9}
.tel img{border-radius:28px;width:100%;aspect-ratio:400/840;object-fit:cover;object-position:top;background:var(--sup2)}

/* Soluciones */
.linea{position:relative;padding-top:2.6rem}
.linea::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--lin2);transform-origin:left}
.js .linea::before{transform:scaleX(0);transition:transform 1.2s cubic-bezier(.2,.8,.2,1)}
.js .linea.vis::before,.js .vis .linea::before{transform:scaleX(1)}
.sol{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:2rem 4rem;padding-bottom:clamp(3.5rem,8vw,6rem)}
.sol-cab{grid-column:1/-1;display:flex;gap:1.6rem;align-items:baseline}
.num{font-size:.85rem;letter-spacing:.18em;color:var(--ac);font-weight:600;font-variant-numeric:tabular-nums}
.sol h3{font-size:clamp(2rem,4vw,3.2rem)}
.tipo{color:var(--tx2);margin-top:.6rem}
.sol-p{font-size:1.2rem;max-width:30rem}
.lista{list-style:none;padding:0;margin:1.6rem 0 0;display:grid;gap:.7rem;color:var(--tx2)}
.lista li{padding-left:1.5rem;position:relative}
.lista li::before{content:"";position:absolute;left:0;top:.78em;width:.7rem;height:1px;background:var(--ac)}
.ens{display:flex;flex-wrap:wrap;gap:.4rem 1.6rem;margin-top:2rem}
.enlace{font-weight:600;text-decoration:none;color:var(--tx);border-bottom:1px solid var(--lin2);padding:.55rem 0;display:inline-flex;gap:.4rem;min-height:44px;align-items:center;transition:border-color .2s,color .2s}
.enlace:hover{border-color:var(--ac);color:var(--ac)}
.enlace span{transition:transform .25s}
.enlace:hover span{transform:translateX(4px)}
.sec-e{color:var(--tx2);font-weight:500}
.enlace-g{color:var(--ac)}
.sol-img{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;align-items:start}
.sol-img .tel:nth-child(2){margin-top:2rem}
.par{display:grid;grid-template-columns:1fr 1fr;gap:2rem 4rem}
.tarj{padding-bottom:1rem}
.tarj h3{font-size:1.9rem;margin:1.2rem 0 .4rem}
.tarj>p:not(.tipo):not(.ens){margin-top:1.1rem;max-width:30rem}

/* Tarjetas refinadas */
.tarjeta{background:var(--sup);border:1px solid var(--lin);border-radius:var(--r);box-shadow:var(--sombra);position:relative;transition:border-color .3s,transform .35s cubic-bezier(.2,.8,.2,1)}
.tarjeta::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;background:radial-gradient(360px circle at var(--mx,50%) var(--my,0%),var(--ac-s),transparent 60%)}
.tarjeta:hover{border-color:var(--lin2);transform:translateY(-3px)}
.tarjeta:hover::after{opacity:1}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.demo{overflow:hidden;display:flex;flex-direction:column}
.navegador{display:flex;align-items:center;gap:6px;padding:.8rem 1rem;border-bottom:1px solid var(--lin);background:var(--sup2)}
.navegador span{width:9px;height:9px;border-radius:50%;background:var(--lin2)}
.navegador i{font:normal .75rem var(--f);color:var(--tx2);margin-left:.6rem;background:var(--fondo);border:1px solid var(--lin);padding:.2rem .7rem;border-radius:999px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.demo-vista{aspect-ratio:4/3;overflow:hidden;background:var(--sup2);display:grid;place-items:start center;padding-top:1.4rem}
.demo-vista img{width:56%;border-radius:22px 22px 0 0;box-shadow:0 0 0 6px var(--bisel);transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.demo:hover .demo-vista img{transform:translateY(-8px)}
.demo-pie{padding:1.4rem 1.5rem 1.6rem;border-top:1px solid var(--lin)}
.demo-pie h3{font-size:1.35rem}
.demo-pie p{color:var(--tx2);margin:.3rem 0 .6rem}

/* Planes */
.planes{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.plan{padding:2rem;display:flex;flex-direction:column}
.plan-dest{border-color:var(--ac)}
.plan-n{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--tx2);font-weight:600}
.plan-dest .plan-n{color:var(--ac)}
.precio{font-size:clamp(3.4rem,6vw,4.6rem);font-weight:700;letter-spacing:-.05em;line-height:1;margin:1.6rem 0;display:flex;flex-direction:column;gap:.5rem}
.precio small{font-size:.9rem;font-weight:400;letter-spacing:0;color:var(--tx2)}
.plan .lista{flex:1;margin-bottom:2rem}
.nota{margin-top:2rem;color:var(--tx2)}

/* Método */
.pasos{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:3rem}
.pasos b{font-size:.85rem;letter-spacing:.18em;color:var(--ac);display:block;margin-bottom:1rem}
.pasos h3{font-size:1.5rem;margin-bottom:.7rem}
.pasos p{color:var(--tx2)}
.garantias{list-style:none;padding:0;margin:clamp(3rem,6vw,5rem) 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.garantias li{padding:1.8rem;display:grid;gap:.6rem}
.garantias strong{font-size:1.1rem;letter-spacing:-.02em}
.garantias span{color:var(--tx2)}

/* Contacto */
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
.demo-grid .lead{margin-bottom:1.6rem}
.peq{font-size:.88rem;color:var(--tx2);margin-top:1rem}
.form{padding:2rem;display:grid;gap:.5rem}
.form:hover{transform:none}
.form label{font-size:.88rem;font-weight:600;margin-top:.6rem}
.form input,.form select{width:100%;min-height:50px;padding:.7rem 1rem;border-radius:12px;border:1px solid var(--lin2);background:var(--fondo);color:var(--tx);font:1rem var(--f);transition:border-color .2s,box-shadow .2s}
.form input:focus,.form select:focus{outline:none;border-color:var(--ac);box-shadow:0 0 0 3px var(--ac-s),0 0 0 1px var(--ac)}
.form ::placeholder{color:var(--tx2);opacity:.85}
.form .btn{margin-top:1rem}
.trampa{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.err{color:#b3261e;font-weight:600;margin-top:.6rem}
[data-tema=oscuro] .err{color:#ff9a92}

/* Preguntas */
.cont-est{max-width:820px}
details{border-top:1px solid var(--lin2)}
details:last-of-type{border-bottom:1px solid var(--lin2)}
summary{cursor:pointer;list-style:none;padding:1.4rem 3rem 1.4rem 0;font-size:1.15rem;font-weight:600;letter-spacing:-.02em;position:relative;min-height:44px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:.4rem;top:1.15rem;font-size:1.6rem;font-weight:300;color:var(--ac);transition:transform .3s}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 3rem 1.6rem 0;color:var(--tx2)}

/* Pie */
.pie{border-top:1px solid var(--lin);padding:4rem 0 2rem;background:var(--sup2)}
.pie-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2rem}
.pie-marca{display:flex;gap:1rem;align-items:center}
.pie-marca img{width:40px;height:auto}
.pie-marca strong{display:block;letter-spacing:-.01em}
.pie-marca span{color:var(--tx2);font-size:.9rem}
.pie-enl{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.2rem 1.6rem}
.pie-enl a{text-decoration:none;color:var(--tx2);min-height:44px;display:inline-flex;align-items:center}
.pie-enl a:hover{color:var(--tx)}
.pie-fin{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem 2rem;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--lin);font-size:.85rem;color:var(--tx2)}
.credito{opacity:.95}
.wa-flota{position:fixed;right:1.2rem;bottom:1.2rem;width:56px;height:56px;border-radius:50%;background:var(--bt-f);color:var(--bt-t);display:grid;place-items:center;box-shadow:0 12px 28px -10px rgba(0,0,0,.5);z-index:60;transition:transform .25s}
.wa-flota:hover{transform:scale(1.07)}
.wa-flota svg{width:26px;height:26px}

/* Revelado al desplazar */
.js .rev{opacity:0;transform:translateY(22px);transition:opacity .9s cubic-bezier(.2,.8,.2,1) calc(var(--i,0)*90ms),transform .9s cubic-bezier(.2,.8,.2,1) calc(var(--i,0)*90ms)}
.js .rev.vis{opacity:1;transform:none}
.js .tarjeta.rev.vis{transition:opacity .9s cubic-bezier(.2,.8,.2,1) calc(var(--i,0)*90ms),transform .9s cubic-bezier(.2,.8,.2,1) calc(var(--i,0)*90ms),border-color .3s}
.js .tarjeta.rev.vis:hover{transform:translateY(-3px);transition-delay:0s}

@media (max-width:980px){
  .hero-in,.sol,.demo-grid{grid-template-columns:1fr}
  .hero-fig{min-height:480px;order:2}
  .cols3,.planes,.pasos,.garantias{grid-template-columns:1fr}
  .par{grid-template-columns:1fr}
  .datos dl{grid-template-columns:1fr 1fr}
  .datos div:nth-child(3){padding-left:0;border-left:0}
  .datos div:nth-child(n+3){border-top:1px solid var(--lin)}
  .menu-btn{display:inline-grid}
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:var(--fondo);border-bottom:1px solid var(--lin);padding:.6rem 1.25rem 1.2rem;display:none}
  .nav.abierto{display:flex}
  .nav a{padding:.9rem .6rem;border-radius:10px}
  .nav .nav-cta{margin:.6rem 0 0;justify-content:center}
}
@media (max-width:560px){
  .cont{width:min(100% - 2rem,var(--max))}
  .hero-fig{min-height:400px}
  .hero-fig .tel{width:48%}
  .sol-img{gap:.6rem}
  .sol-img .tel-in{padding:4px;border-radius:20px}
  .sol-img .tel img{border-radius:16px}
  .sol-img .tel-in::before{display:none}
  .form,.plan{padding:1.4rem}
  .marca{font-size:.7rem;letter-spacing:.1em}
  .marca b{display:none}
  .pie-fin{flex-direction:column}
}
@media (hover:none){.tarjeta::after{display:none}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .js .rev{opacity:1;transform:none}
  .js .linea::before{transform:none}
}