/* CS Finance · estilo Big Four (estructura de EY/Deloitte: portada fotográfica, tarjetas con imagen, bandas) con la marca CS Partners */
:root{--tinta:#17233A;--tinta2:#0f1727;--cobre:#B8743A;--cobre2:#D9A06A;--gris:#6B6F78;--claro:#F4F5F8;--blanco:#fff;--linea:#E1E3EA;--texto:#2B2F3A;
--sans:"Manrope",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--blanco);color:var(--texto);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit}img{max-width:100%;display:block}
.wrap{width:min(1200px,100% - 48px);margin-inline:auto}
section,header{scroll-margin-top:72px}
.form-trampa{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

/* Barra superior blanca, estilo Deloitte */
.nav{position:sticky;top:0;z-index:50;background:var(--blanco);border-bottom:1px solid var(--linea)}
.nav .wrap{height:72px;display:flex;align-items:center;gap:40px}
.marca{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--tinta);font-weight:800;font-size:19px;letter-spacing:-.01em}
.marca img{width:30px;height:30px}
.marca small{display:block;font-weight:600;font-size:10px;letter-spacing:.16em;color:var(--gris);text-transform:uppercase}
.nav ul{display:flex;gap:30px;list-style:none;margin:0;padding:0;flex:1}
.nav ul a{text-decoration:none;font-size:15px;font-weight:600;color:var(--tinta);padding:26px 0;border-bottom:3px solid transparent}
.nav ul a:hover{border-bottom-color:var(--cobre)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;font:700 15px var(--sans);text-decoration:none;background:var(--cobre);color:#fff;border:2px solid var(--cobre);border-radius:4px;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn:hover{background:#9f6230;border-color:#9f6230}
.btn.linea{background:transparent;color:#fff;border-color:#fff}
.btn.linea:hover{background:#fff;color:var(--tinta)}
.btn.tinta{background:var(--tinta);border-color:var(--tinta)}
.btn.tinta:hover{background:var(--tinta2);border-color:var(--tinta2)}
.btn.chico{padding:11px 20px;font-size:14px}
.flecha::after{content:"→"}

/* Portada fotográfica a pantalla completa */
.hero{position:relative;min-height:min(86vh,760px);display:flex;align-items:flex-end;color:#fff;background:var(--tinta);overflow:hidden}
.hero img.fondo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero .velo{position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,35,58,.92) 0%,rgba(23,35,58,.7) 45%,rgba(23,35,58,.25) 100%),linear-gradient(0deg,rgba(23,35,58,.85) 0%,rgba(23,35,58,0) 50%)}
.hero .wrap{position:relative;padding:120px 0 72px}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cobre2);margin:0 0 20px}
.eyebrow::before{content:"";width:40px;height:3px;background:var(--cobre)}
.h1{font:800 clamp(38px,5.2vw,64px)/1.08 var(--sans);letter-spacing:-.02em;margin:0;max-width:16ch}
.hero p.lead{font-size:clamp(17px,1.5vw,20px);color:#dde1ea;max-width:52ch;margin:22px 0 30px}
.hero .acc{display:flex;gap:14px;flex-wrap:wrap}
.temas{position:relative;background:var(--tinta2);border-top:1px solid rgba(255,255,255,.1)}
.temas .wrap{display:flex;overflow-x:auto}
.temas a{flex:1;min-width:190px;padding:20px 20px;text-decoration:none;font-size:14px;font-weight:600;color:#cfd4df;border-top:3px solid transparent;white-space:nowrap}
.temas a:hover{color:#fff;border-top-color:var(--cobre)}

/* Secciones */
.seccion{padding:clamp(64px,8vw,104px) 0}
.seccion.claro{background:var(--claro)}
.h2{font:800 clamp(30px,3.4vw,44px)/1.14 var(--sans);letter-spacing:-.02em;color:var(--tinta);margin:0 0 12px}
.sub{color:var(--gris);font-size:17px;max-width:64ch;margin:0 0 40px}
.cab.centro{text-align:center}.cab.centro .sub{margin-inline:auto}
.vermas{font-weight:700;text-decoration:none;color:var(--tinta);border-bottom:2px solid var(--cobre);padding-bottom:2px}

/* Tarjetas con fotografía (estilo "insights") */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:var(--blanco);border:1px solid var(--linea);border-radius:4px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(23,35,58,.12)}
.card img{aspect-ratio:3/2;width:100%;height:auto;object-fit:cover}
.card .cuerpo{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1;border-top:3px solid var(--cobre)}
.card .tipo{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cobre)}
.card h3{font:800 21px/1.25 var(--sans);color:var(--tinta);margin:10px 0 10px}
.card p{margin:0 0 18px;font-size:14.5px;color:var(--gris)}
.card .ir{margin-top:auto;font-size:14px;font-weight:700;color:var(--tinta)}
.card .ir::after{content:" →";color:var(--cobre)}

/* Banda destacada con foto de fondo */
.destacado{position:relative;color:#fff;background:var(--tinta);overflow:hidden}
.destacado img.fondo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28;filter:saturate(.6)}
.destacado .velo{position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,35,58,.98) 0%,rgba(23,35,58,.85) 55%,rgba(23,35,58,.5) 100%)}
.destacado .wrap{position:relative;padding:clamp(72px,9vw,120px) 0;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,6vw,80px);align-items:center}
.destacado .h2{color:#fff}
.destacado p{color:#d4d9e3}
.destacado ul{list-style:none;padding:0;margin:22px 0 30px;display:grid;gap:10px}
.destacado li{padding-left:22px;position:relative;color:#eef1f6}
.destacado li::before{content:"";position:absolute;left:0;top:.72em;width:12px;height:2px;background:var(--cobre2)}
.cifras{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14)}
.cifras div{background:rgba(23,35,58,.75);padding:28px 20px}
.cifras b{display:block;font:800 44px/1 var(--sans);color:#fff}
.cifras span{display:block;margin-top:10px;font-size:13px;color:#c5cbd8}

/* Método: foto + pasos */
.metodo{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--linea);background:var(--blanco)}
.metodo .foto{min-height:420px;position:relative}
.metodo .foto img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.metodo .txt{padding:clamp(40px,5vw,64px)}
.pasos{list-style:none;padding:0;margin:26px 0 30px;counter-reset:p;display:grid;gap:18px}
.pasos li{counter-increment:p;display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start}
.pasos li::before{content:"0" counter(p);font-weight:800;color:var(--cobre);font-size:15px;border:2px solid var(--cobre);height:44px;display:grid;place-items:center;border-radius:4px}
.pasos b{display:block;font-size:17px;color:var(--tinta)}
.pasos span{color:var(--gris);font-size:14.5px}

/* Explorar por rol */
.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.roles a{display:flex;justify-content:space-between;align-items:center;padding:20px 22px;background:var(--blanco);border:1px solid var(--linea);border-left:4px solid var(--cobre);border-radius:4px;text-decoration:none;font-weight:700;color:var(--tinta);transition:background .2s,color .2s}
.roles a::after{content:"→";color:var(--cobre)}
.roles a:hover{background:var(--tinta);color:#fff;border-color:var(--tinta);border-left-color:var(--cobre)}

/* Llamado */
.llamado{background:var(--cobre);color:#fff;padding:40px 0}
.llamado .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.llamado b{display:block;font-size:24px;font-weight:800}
.llamado span{font-size:15px;color:#fff3e6}

/* Persona */
.persona{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:center;background:var(--blanco);border:1px solid var(--linea);border-radius:4px;padding:36px}
.persona img{width:260px;height:260px;object-fit:cover;border-radius:4px}
.persona h3{font:800 28px var(--sans);color:var(--tinta);margin:0 0 4px}
.persona .rol{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--cobre)}
.persona p{color:var(--gris);margin:16px 0 0}

/* Contacto */
.contacto{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(30px,5vw,70px);align-items:start}
.contacto>*{min-width:0}
.datos{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:18px}
.datos small{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--gris)}
.datos a{font-weight:700;font-size:18px;text-decoration:none;color:var(--tinta);overflow-wrap:anywhere}
.form{background:var(--blanco);border:1px solid var(--linea);border-top:4px solid var(--cobre);border-radius:4px;padding:34px}
.form h3{font:800 24px var(--sans);color:var(--tinta);margin:0 0 20px}
.form label{display:block;font-size:13px;font-weight:700;color:var(--tinta);margin:0 0 14px}
.form input:not([type=checkbox]),.form select,.form textarea{display:block;width:100%;margin-top:6px;font:400 15px var(--sans);padding:12px 14px;border:1px solid var(--linea);border-radius:4px;background:var(--claro);color:var(--texto)}
.form textarea{min-height:120px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--cobre);border-color:var(--cobre)}
.form .dos{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form .check{display:flex;gap:10px;font-weight:400;color:var(--gris)}
.form button{width:100%;justify-content:center}
.form-msg{min-height:1.4em;margin:12px 0 0;font-size:14px}

/* Pie oscuro */
footer{background:var(--tinta);color:#b7bfcf;padding:56px 0 28px;font-size:14px}
footer .arriba{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
footer h4{color:#fff;margin:0 0 12px;font-size:14px;letter-spacing:.08em;text-transform:uppercase}
footer nav{display:flex;flex-wrap:wrap;gap:8px 22px}
footer nav a{color:#fff;text-decoration:none;font-weight:600}
footer nav a:hover{color:var(--cobre2)}
footer .abajo{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px}
footer .abajo a{color:#dfe4ee;margin-left:18px;text-decoration:none}
footer .legal{margin:14px 0 0;font-size:12px;max-width:90ch;color:#8f99ad}

@media (max-width:1020px){.cards{grid-template-columns:1fr 1fr}.nav ul{display:none}.destacado .wrap{grid-template-columns:1fr}}
@media (max-width:820px){.metodo,.contacto{grid-template-columns:1fr}.metodo .foto{min-height:260px}.persona{grid-template-columns:1fr;text-align:center}.persona img{margin:0 auto}.roles{grid-template-columns:1fr 1fr}.hero{min-height:0}.hero .wrap{padding:96px 0 56px}}
@media (max-width:560px){.cards,.roles,.cifras{grid-template-columns:1fr}.form .dos{grid-template-columns:1fr}.nav .btn{display:none}.form{padding:24px 18px}.temas a{min-width:160px}}
.cifras b{white-space:nowrap;font-size:clamp(30px,2.8vw,42px)}