/* ===== URDIN · estilos compartidos por todas las páginas ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--navy:#0d2b45;--navy-mid:#1a3f5c;--navy-light:#2a5f82;--navy-dark:#081c2e;--accent:#4da6c8;--stone:#f0ead8;--stone-dark:#ddd5c0;--text:#1e1e1e;--text-mid:#4a5568}
html{scroll-behavior:smooth;scroll-padding-top:100px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:'DM Sans',sans-serif;color:var(--text);background:var(--stone);font-size:17px;line-height:1.7}
img{max-width:100%;display:block}
[hidden]{display:none!important}
h1,h2,h3{font-family:'Playfair Display',serif;font-weight:600;line-height:1.2}
.wrap{width:min(1100px,100% - 3rem);margin-inline:auto}

/* cabecera */
.cab{position:sticky;top:0;z-index:50;background:var(--navy)}
.cab .wrap{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:84px}
.cab-logo img{width:64px;height:64px}
.cab nav{display:flex;align-items:center;gap:2rem}
.menu{display:flex;gap:1.3rem;list-style:none}
.menu a{color:rgba(255,255,255,.75);text-decoration:none;font-size:.9rem;padding:.3rem 0;border-bottom:1px solid transparent;transition:color .2s}
.menu a:hover{color:var(--accent)}
.menu a[aria-current=page]{color:#fff;border-color:var(--accent)}
.btn-cab{border:1px solid rgba(255,255,255,.4);color:#fff;text-decoration:none;padding:.5rem 1.1rem;border-radius:4px;font-size:.9rem;white-space:nowrap;transition:.2s}
.btn-cab:hover{border-color:var(--accent);color:var(--accent)}
.burger{display:none;background:none;border:0;color:#fff;width:44px;height:44px;cursor:pointer}
@media(max-width:980px){
  .burger{display:block}
  .cab nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--navy);padding:1rem 1.5rem 1.5rem;border-top:1px solid rgba(255,255,255,.1)}
  .cab nav.abierto{display:block}
  .menu{flex-direction:column;gap:.2rem;margin-bottom:1rem}
  .menu a{display:block;padding:.6rem 0;border-bottom:0}
  .btn-cab{display:inline-block}
}

/* fondo azul con círculos (hero y bloque destacado) */
.azul{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-mid) 60%,#1e4d6e 100%);color:#fff;position:relative;overflow:hidden}
.azul::before,.azul::after{content:'';position:absolute;border-radius:50%;border:1px solid rgba(77,166,200,.14);pointer-events:none}
.azul::before{width:60vw;height:60vw;top:-30%;right:-10%}
.azul::after{width:40vw;height:40vw;top:-10%;right:5%}
.azul .wrap{position:relative;z-index:1}

/* cajas de imagen provisionales */
.ph{display:flex;align-items:center;justify-content:center;text-align:center;border:1px dashed rgba(255,255,255,.35);background:rgba(255,255,255,.06);color:rgba(255,255,255,.7);font-size:.9rem;border-radius:8px;padding:1rem}
.ph-c{border-color:rgba(13,43,69,.35);background:rgba(13,43,69,.05);color:var(--text-mid)}

/* hero (imagen panorámica 1600 × 300) */
.hero{padding:3rem 0 5.5rem}
.foto{width:100%;height:auto;object-fit:cover;border-radius:8px;display:block}
.foto-logo{object-fit:contain;background:#fff;padding:1rem}
.hero .foto-hero,.hero .ph{aspect-ratio:1280/337;margin-bottom:3.5rem}
.hero-txt{max-width:820px;margin:auto;text-align:center}
h1{font-size:clamp(2.2rem,5vw,3.6rem);margin-bottom:1.5rem}
.hero-txt p{font-size:1.15rem;color:rgba(255,255,255,.78);font-weight:300;max-width:680px;margin:auto}

/* introducción */
.intro{padding:5.5rem 0 3rem;text-align:center}
.intro p{max-width:820px;margin:auto;font-size:1.2rem;color:var(--text-mid)}

/* beneficios: imagen 30% + texto, alternando lados */
.ben{display:grid;grid-template-columns:30% 1fr;gap:4rem;align-items:center;padding:4rem 0;border-top:1px solid var(--stone-dark)}
.ben:first-child{border-top:0}
.ben .ph,.ben .foto{aspect-ratio:4/5}
.ben.inv{grid-template-columns:1fr 30%}
.ben.inv .ph,.ben.inv .foto{order:2}
.ico{width:64px;height:64px;border:1px solid rgba(13,43,69,.25);border-radius:50%;display:grid;place-items:center;margin:0 0 1.5rem;color:var(--navy)}
.ico svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.ben h2{color:var(--navy);font-size:clamp(1.6rem,3vw,2.1rem);margin-bottom:1.5rem}
.ben ul{list-style:none;max-width:640px}
.ben li{margin-bottom:.6rem;padding-left:1.1rem;position:relative}
.ben li::before{content:'';position:absolute;left:0;top:.72em;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.ben p{max-width:640px;margin-top:1.8rem;color:var(--text-mid)}

/* aplicaciones: imagen (30%) + texto, sin iconos */
.ben.app{grid-template-columns:30% 1fr}
.ben.app.inv{grid-template-columns:1fr 30%}
.ben.app .ph,.ben.app .foto{aspect-ratio:4/3}
.ben.app h2{margin-bottom:.8rem}
.ben.app .lead{font-weight:500;color:var(--navy);font-size:1.15rem;margin:0 0 1rem}
.ben.app p{margin-top:0}
.frase{padding:6rem 0;text-align:center;border-top:1px solid var(--stone-dark)}
.frase.sb{border-top:0}
.frase p{font-family:'Playfair Display',serif;color:var(--navy);font-size:clamp(1.2rem,2.7vw,1.9rem);line-height:1.35;max-width:820px;margin:auto;text-wrap:balance}
.eval{padding:2rem 0 6rem;text-align:center}
.eval .ph,.eval .foto{aspect-ratio:16/3;margin-bottom:3.5rem}
.eval h2{color:var(--navy);font-size:clamp(1.8rem,3.5vw,2.5rem);margin-bottom:1.8rem}
.eval p{max-width:760px;margin:0 auto 1.2rem;color:var(--text-mid);font-size:1.1rem}

/* sectores: imagen más grande (40%) */
.ben.sec{grid-template-columns:40% 1fr}
.ben.sec.inv{grid-template-columns:1fr 40%}
.ben .sub{font-weight:500;color:var(--navy);margin:0 0 1rem;font-size:1.05rem;letter-spacing:.02em}
.ben .sub+ul{margin-top:0}
.potencial{padding:6rem 0;text-align:center;border-top:1px solid var(--stone-dark)}
.potencial h2{color:var(--navy);font-size:clamp(1.7rem,3.5vw,2.4rem);margin-bottom:1rem}
.potencial>.wrap>p{color:var(--text-mid);font-size:1.1rem;margin-bottom:2rem}
.chips{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:.8rem;max-width:860px;margin:auto}
.chips li{border:1px solid rgba(13,43,69,.3);border-radius:100px;padding:.5rem 1.2rem;color:var(--navy);font-size:.95rem}

/* solución */
.como{padding:1rem 0 5rem;text-align:center}
.como h2{color:var(--navy);font-size:clamp(1.8rem,3.5vw,2.5rem);margin-bottom:2.5rem}
.flujo{list-style:none;display:flex;align-items:stretch;justify-content:center;gap:2.2rem;margin:0 auto 2.5rem;max-width:960px}
.flujo li{flex:1;border:1px solid rgba(13,43,69,.35);border-radius:8px;padding:1.2rem .8rem;color:var(--navy);font-weight:500;display:flex;align-items:center;justify-content:center;position:relative;background:rgba(255,255,255,.45)}
.flujo li+li::before{content:'';position:absolute;left:-1.55rem;top:50%;width:.8rem;height:.8rem;border-top:2px solid var(--accent);border-right:2px solid var(--accent);transform:translateY(-50%) rotate(45deg)}
.flujo li.clave{background:var(--navy);color:#fff;border-color:var(--navy)}
.como>.wrap>p{max-width:760px;margin:0 auto 1.2rem;color:var(--text-mid);font-size:1.1rem}
.como .foto-proceso{aspect-ratio:1280/447;margin:0 0 2.5rem}
.carac{padding:3rem 0 6rem}
.carac h2{text-align:center;color:var(--navy);font-size:clamp(1.8rem,3.5vw,2.5rem);margin-bottom:3rem}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.card{background:rgba(255,255,255,.55);border:1px solid var(--stone-dark);border-radius:10px;padding:2rem;display:flex;gap:1.4rem;align-items:flex-start}
.card:last-child{grid-column:1/-1;justify-self:center;width:calc(50% - .75rem)}
.card .ico{flex-shrink:0;width:56px;height:56px;margin:0}
.card h3{color:var(--navy);font-size:1.25rem;margin-bottom:.4rem}
.card p{color:var(--text-mid);margin:0}
.confianza{padding:6rem 0;text-align:center}
.confianza p{font-family:'Playfair Display',serif;font-size:clamp(1.4rem,3vw,2.1rem);line-height:1.4;max-width:860px;margin:auto}

/* home */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hero-home::before,.hero-home::after{display:none}
.hero-home .ph{aspect-ratio:16/5;min-height:260px;width:100%;border-radius:0;border-left:0;border-right:0}
.hero-home .foto{width:100%;height:auto;aspect-ratio:16/5;min-height:260px;object-fit:cover;border-radius:0}
.cab-home .wrap{justify-content:center;min-height:60px}
.cab-home .burger{display:none}
.cab-home nav{gap:0}
@media(max-width:980px){.cab-home .burger{display:flex;align-items:center;gap:.5rem;width:auto;padding:0 1rem}.cab-home .burger span{font-size:.95rem}}
.bienv{padding:6rem 0}
.bienv .wrap{display:grid;grid-template-columns:1fr 2fr 1fr;gap:3rem;align-items:center}
.bienv .ph,.bienv .foto{aspect-ratio:6/7}
.bienv-txt{text-align:center}
.bienv-txt h2{color:var(--navy);font-size:clamp(2rem,4vw,3rem);margin-bottom:1.5rem}
.bienv-txt p{color:var(--text-mid);font-size:1.15rem;margin-bottom:1rem}
.propuesta{padding:7rem 0;text-align:center}
.propuesta p{font-size:clamp(1.2rem,2.4vw,1.6rem);font-weight:300;line-height:1.6;max-width:880px;margin:0 auto}
.propuesta .invita{display:inline-block;margin-top:2.5rem;font-family:'Playfair Display',serif;font-size:clamp(1.5rem,3vw,2.1rem);color:#fff;text-decoration:none;border-bottom:1px solid var(--accent);padding-bottom:.2rem;transition:.2s}
.propuesta .invita:hover{color:var(--accent)}
.trabajo{padding:6rem 0}
.trabajo h2,.tecno h2{text-align:center;color:var(--navy);font-size:clamp(1.8rem,3.5vw,2.5rem);margin-bottom:3rem}
.pasos{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.paso{background:rgba(255,255,255,.55);border:1px solid var(--stone-dark);border-radius:10px;padding:2.5rem 1.5rem;text-align:center}
.paso .ico{margin:0 auto 1.4rem}
.paso h3{color:var(--navy);font-size:1.3rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.6rem}
.paso p{color:var(--text-mid)}
.reduccion{padding:3rem 0 6rem}
.reduccion .wrap{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.reduccion h2{color:var(--navy);font-size:clamp(1.9rem,3.6vw,2.7rem);margin-bottom:1.5rem}
.reduccion p{color:var(--text-mid);font-size:1.15rem}
.reduccion .ph,.reduccion .foto{aspect-ratio:16/9}
.tecno{padding:5rem 0 6rem;border-top:1px solid var(--stone-dark)}
.tecno-txt{max-width:780px;margin:0 auto 3.5rem;text-align:center}
.tecno-txt p{color:var(--text-mid);font-size:1.15rem;margin-bottom:1.2rem}
.tecno-txt p:first-child{font-family:'Playfair Display',serif;color:var(--navy);font-size:clamp(1.4rem,2.8vw,1.9rem);line-height:1.4}
.explora{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.ex-card{display:flex;align-items:center;justify-content:center;text-align:center;gap:1rem;padding:1.6rem 1.8rem;border:1px solid rgba(13,43,69,.3);border-radius:8px;text-decoration:none;color:var(--navy);font-family:'Playfair Display',serif;font-size:1.3rem;background:rgba(255,255,255,.45);transition:.2s}
.ex-card svg{width:22px;height:22px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s}
.ex-card:hover{background:var(--navy);color:#fff}
.ex-card:hover svg{transform:translateX(4px)}
.reto{padding:8rem 0;text-align:center}
.reto h2{font-size:clamp(2rem,4.5vw,3.2rem);margin-bottom:1.2rem}
.reto .sub-reto{font-family:'Playfair Display',serif;font-style:italic;color:var(--accent);font-size:clamp(1.2rem,2.5vw,1.6rem);margin-bottom:1.8rem}
.reto p:last-child{max-width:700px;margin:auto;font-size:1.15rem;color:rgba(255,255,255,.8);font-weight:300}

/* faq: banner con proporción propia */
.hero .foto-faq{aspect-ratio:1440/248}

/* faq (acordeón en árbol, sin JavaScript) */
.faq{padding:2rem 0 6rem}
.faq .wrap{max-width:860px}
.grupo{background:rgba(255,255,255,.55);border:1px solid var(--stone-dark);border-radius:10px;margin-bottom:1rem;overflow:hidden}
.grupo>summary,.preg>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:1.5rem}
.grupo>summary::-webkit-details-marker,.preg>summary::-webkit-details-marker{display:none}
.grupo>summary{padding:1.5rem 1.8rem;font-family:'Playfair Display',serif;font-size:clamp(1.15rem,2.4vw,1.45rem);font-weight:600;color:var(--navy);letter-spacing:.02em}
.grupo>summary::after,.preg>summary::after{content:'+';font-family:'DM Sans',sans-serif;font-weight:300;font-size:1.8rem;line-height:1;color:var(--accent);flex-shrink:0;transition:transform .2s}
.grupo[open]>summary::after,.preg[open]>summary::after{transform:rotate(45deg)}
.grupo>summary:hover,.preg>summary:hover{background:rgba(13,43,69,.04)}
.preg{border-top:1px solid var(--stone-dark)}
.preg>summary{padding:1.2rem 1.8rem;font-weight:500;color:var(--text);font-size:1.05rem}
.preg>summary::after{font-size:1.5rem}
.resp{padding:0 1.8rem 1.5rem;color:var(--text-mid);max-width:720px}
.resp p{margin-bottom:.8rem}
.resp strong{color:var(--navy)}
.resp ul{margin:0 0 .8rem 1.2rem}
summary:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}

/* bloque destacado y cierre */
.destacado{padding:7rem 0;text-align:center}
.destacado h2{font-size:clamp(2rem,4.5vw,3rem);max-width:850px;margin:0 auto 1.8rem}
.destacado p{font-size:1.2rem;max-width:720px;margin:auto;color:rgba(255,255,255,.78);font-weight:300}
.cierre{padding:6rem 0;text-align:center}
.cierre h2{color:var(--navy);font-size:clamp(1.7rem,3.5vw,2.4rem);max-width:820px;margin:0 auto 1.5rem}
.cierre p{max-width:720px;margin:auto;color:var(--text-mid);font-size:1.1rem}

/* contacto */
.contacto{background:#fff;padding:6rem 0}
.c-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:4rem;align-items:start}
.c-txt h2{color:var(--navy);font-size:clamp(1.9rem,3.5vw,2.6rem);margin-bottom:1.2rem}
.c-txt>p{color:var(--text-mid);margin-bottom:2rem}
.datos p{margin-bottom:.4rem}
.datos a{color:var(--navy);font-weight:500;text-decoration:none}
.datos a:hover{text-decoration:underline}
.btn-in{display:inline-flex;align-items:center;gap:.6rem;border:1px solid var(--navy);color:var(--navy);text-decoration:none;border-radius:100px;padding:.5rem 1.2rem .5rem .9rem;margin-top:1rem;font-weight:500;font-size:.95rem;transition:.2s}
.btn-in svg{width:20px;height:20px;fill:currentColor}
.btn-in:hover{background:var(--navy);color:#fff}
.tarjeta{background:var(--stone);border:1px solid var(--stone-dark);border-radius:10px;padding:2.5rem}
.fila{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.campo{display:flex;flex-direction:column;margin-bottom:1rem}
.campo label{font-size:.85rem;font-weight:500;color:var(--navy);margin-bottom:.4rem}
.campo input,.campo select,.campo textarea{font:inherit;font-size:.95rem;padding:.75rem 1rem;border:1px solid var(--stone-dark);border-radius:5px;background:#fff;color:var(--text)}
.campo textarea{min-height:120px;resize:vertical}
.campo input:focus,.campo select:focus,.campo textarea:focus{border-color:var(--accent)}
.check{display:flex;gap:.7rem;align-items:flex-start;margin:1rem 0 1.5rem;font-size:.85rem;color:var(--text-mid);line-height:1.6}
.check input{width:16px;height:16px;margin-top:4px;flex-shrink:0;accent-color:var(--navy)}
.check a{color:var(--navy)}
.btn-env{width:100%;background:var(--navy);color:#fff;border:0;border-radius:5px;padding:1rem;font:inherit;font-weight:500;cursor:pointer;transition:background .2s}
.btn-env:hover{background:var(--navy-light)}
.btn-env:disabled{opacity:.6;cursor:wait}
.ok{text-align:center;color:var(--navy);padding:1.5rem 0}
.ok strong{display:block;font-family:'Playfair Display',serif;font-size:1.4rem;margin-bottom:.4rem}

/* pie */
.pie{background:var(--navy-dark);color:rgba(255,255,255,.75);padding:3.5rem 0 2rem;font-size:.95rem}
.pie-grid{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:2rem}
.pie strong{color:#fff;font-family:'Playfair Display',serif;font-size:1.2rem;font-weight:600}
.pie a{color:inherit;text-decoration:none}
.pie a:hover{color:var(--accent)}
.pie .btn-in{border-color:rgba(255,255,255,.4);color:#fff;margin:0}
.pie .btn-in:hover{background:var(--accent);border-color:var(--accent);color:var(--navy)}
.legal{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.12);font-size:.82rem}

/* ventana de privacidad */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:1rem}
.modal-fondo{position:absolute;inset:0;background:rgba(0,0,0,.5)}
.modal-caja{position:relative;background:#fff;border-radius:8px;max-width:700px;width:100%;max-height:85vh;display:flex;flex-direction:column}
.modal-cab{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;border-bottom:1px solid rgba(0,0,0,.1)}
.modal-cab h2{color:var(--navy);font-size:1.5rem}
.modal-x{background:none;border:0;font-size:2rem;line-height:1;color:var(--navy);cursor:pointer}
.modal-cuerpo{overflow-y:auto;padding:1.5rem 2rem;font-size:.95rem;color:var(--text-mid)}
.modal-cuerpo h3{font-size:1rem;color:var(--navy);margin:1.2rem 0 .4rem}
.modal-cuerpo ul{margin:.4rem 0 .8rem 1.2rem}

/* móvil y tablet */
@media(max-width:860px){
  .ben,.ben.inv{grid-template-columns:1fr;gap:2rem;padding:3rem 0}
  .ben .ph,.ben .foto,.ben.inv .ph,.ben.inv .foto{order:0;aspect-ratio:16/9}
  .hero .foto-hero{aspect-ratio:2/1;object-position:center}
  .hero .foto-faq{aspect-ratio:2.4/1}
  .ben.app,.ben.app.inv,.ben.sec,.ben.sec.inv{grid-template-columns:1fr}
  .ben.app .ph,.ben.app .foto{aspect-ratio:16/9}
  .frase,.potencial,.confianza,.propuesta,.trabajo,.reto{padding:4rem 0}
  .grupo>summary{padding:1.2rem 1.2rem}
  .preg>summary{padding:1rem 1.2rem}
  .resp{padding:0 1.2rem 1.2rem}
  .faq{padding:1rem 0 4rem}
  .bienv{padding:3.5rem 0}
  .bienv .wrap,.reduccion .wrap{grid-template-columns:1fr;gap:2rem}
  .bienv .ph,.bienv .foto{aspect-ratio:1/1}
  .pasos{grid-template-columns:1fr}
  .explora{grid-template-columns:1fr 1fr}
  .ex-card{padding:1.2rem 1rem;font-size:1.05rem}
  .cab-home .burger{display:flex;align-items:center;gap:.5rem;width:auto;padding:0 1rem}
  .cab-home .burger span{font-size:.95rem}
  .cab-home nav{gap:0}
  .flujo{flex-direction:column;gap:1.8rem}
  .flujo li+li::before{left:50%;top:-1.35rem;transform:translateX(-50%) rotate(135deg)}
  .cards{grid-template-columns:1fr}
  .card{padding:1.5rem}
  .card:last-child{width:100%}
  .eval{padding:1rem 0 4rem}
  .eval .ph,.eval .foto{aspect-ratio:2/1;margin-bottom:2.5rem}
  .c-grid{grid-template-columns:1fr;gap:2.5rem}
  .tarjeta{padding:1.5rem}
  .fila{grid-template-columns:1fr;gap:0}
  .destacado{padding:5rem 0}
  .cierre,.contacto{padding:4rem 0}
}