*{box-sizing:border-box}html{scroll-behavior:smooth}:root{--blue:#1686d9;--dark:#17232e;--text:#17202a;--muted:#687582;--line:#dce5ec;--light:#f5f8fb}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);line-height:1.55}.container{width:min(1120px,92%);margin:auto}header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--line)}.nav{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--dark)}.brand b{display:block;font-size:26px;letter-spacing:6px;line-height:1}.brand small{display:block;font-size:9px;letter-spacing:3px;font-weight:bold;margin-top:4px}.mark{width:40px;height:40px;border:2px solid var(--blue);border-radius:50%;display:flex;align-items:end;justify-content:center;gap:2px;padding:6px}.mark i{display:block;width:6px;background:var(--blue)}.mark i:nth-child(1){height:14px}.mark i:nth-child(2){height:25px}.mark 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0}.foot{display:flex;align-items:center;justify-content:space-between;gap:20px}.foot .brand{color:#fff}@media(max-width:850px){nav{display:none;position:absolute;left:0;right:0;top:78px;background:#fff;padding:18px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}nav.open{display:flex}.menu{display:block}.two,.cards,.features,.steps,.numgrid{grid-template-columns:1fr 1fr}.head{display:block}.head>p{margin-top:15px}.cta .container,.foot{flex-direction:column;align-items:flex-start}}@media(max-width:560px){.two,.cards,.features,.steps,.numgrid{grid-template-columns:1fr}.hero{min-height:600px}.hero p{font-size:17px}.two h2,.section h2,.commit h2,.contact h2,.cta h2{font-size:32px}.outline{margin-left:0}.foot{align-items:flex-start}}
/* --- Renovación visual: más matices y mejor separación entre secciones --- */
:root{--blue:#2389bd;--dark:#263b43;--text:#24343a;--muted:#66777a;--line:#dce4df;--light:#f4f3ed}
#servicios{position:relative;isolation:isolate;background:linear-gradient(110deg,rgba(24,42,48,.70),rgba(35,58,63,.42)),url('https://images.unsplash.com/photo-1521737711867-e3b97375f902?auto=format&fit=crop&w=2000&q=88') center/cover}
#servicios .head,#servicios .cards{position:relative;z-index:1}
#servicios .head h2,#servicios .head>p{color:#fff}
#servicios .eyebrow.blue{color:#f0c77a}
#servicios .cards article{background:rgba(255,255,255,.93);border-color:rgba(255,255,255,.7);box-shadow:0 12px 30px rgba(14,31,35,.13);transition:transform .2s ease,box-shadow .2s ease}
#servicios .cards article:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(14,31,35,.2)}
#servicios .cards article:nth-child(3n+1)>b{color:#2389bd}
#servicios .cards article:nth-child(3n+2)>b{color:#6d927d}
#servicios .cards article:nth-child(3n)>b{color:#c8795a}
/* El bloque siguiente pasa de azul petróleo a verde salvia claro */
#diferencial{background:#e4ece6;color:#263b43;position:relative;overflow:hidden}
#diferencial:before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;right:-120px;top:-150px;background:rgba(216,174,88,.20)}
#diferencial .container{position:relative;z-index:1}
#diferencial .light p{color:#5d7071}
#diferencial .eyebrow{color:#b76e52}
#diferencial .features{background:transparent;gap:14px}
#diferencial .features>div{background:rgba(255,255,255,.78);color:#263b43;border:1px solid rgba(38,59,67,.08);border-radius:15px;padding:28px;box-shadow:0 8px 22px rgba(38,59,67,.06)}
#diferencial .features>div:nth-child(4n+1) b{color:#2389bd}
#diferencial .features>div:nth-child(4n+2) b{color:#6d927d}
#diferencial .features>div:nth-child(4n+3) b{color:#c8795a}
#diferencial .features>div:nth-child(4n) b{color:#b58a35}
#diferencial .features h3{color:#263b43}
#diferencial .features p{color:#66777a}
.intro,.numbers{background:#f4f3ed}
.steps>div{border-top-color:#6d927d}
.steps span{background:#e3eee6;color:#527760}
.numgrid div:nth-child(4n+1){border-top:3px solid #2389bd}
.numgrid div:nth-child(4n+2){border-top:3px solid #6d927d}
.numgrid div:nth-child(4n+3){border-top:3px solid #c8795a}
.numgrid div:nth-child(4n){border-top:3px solid #d8ae58}
.check div:nth-child(4n+1){border-left:4px solid #2389bd}
.check div:nth-child(4n+2){border-left:4px solid #6d927d}
.check div:nth-child(4n+3){border-left:4px solid #c8795a}
.check div:nth-child(4n){border-left:4px solid #d8ae58}
.cta{background:linear-gradient(115deg,#b96f55,#c8795a 55%,#d39b64)}
.cta .white{color:#7b4939}
footer{background:#263b43}
@media(max-width:850px){#diferencial .features{gap:10px}}