:root{
  --charcoal:#313d41;
  --charcoal-2:#1d292f;
  --charcoal-3:#10191e;
  --gold:#e2b94d;
  --teal:#16b9ae;
  --white:#fff;
  --text:#283238;
  --muted:#758087;
  --soft:#f4f6f7;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.6}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}.container{width:min(1120px,calc(100% - 40px));margin:auto}
#header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(48,61,65,.98);box-shadow:0 1px 0 rgba(255,255,255,.04)}
#header:before{content:"";position:absolute;inset:0;background:linear-gradient(70deg,transparent 34%,rgba(255,255,255,.018) 34.2%,transparent 34.8%,transparent 48%,rgba(255,255,255,.014) 48.2%,transparent 48.8%);pointer-events:none}
.nav-wrap{height:74px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;position:relative;z-index:2}.brand img{width:205px;height:auto}.menu-btn{display:none;background:none;border:0;color:#fff;font-size:27px;cursor:pointer}#nav{height:100%;display:flex;align-items:center;gap:30px;color:#fff;font-size:13px;font-weight:600;position:relative;z-index:2}#nav>a,.dropbtn{height:100%;display:flex;align-items:center;position:relative;color:#fff;background:none;border:0;font:inherit;cursor:pointer;padding:0}#nav>a:after,.dropbtn:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--teal);transform:scaleX(0);transition:.22s}#nav>a:hover:after,#nav>a.active:after,.dropbtn:hover:after{transform:scaleX(1)}.dropdown{position:relative;height:100%;display:flex;align-items:center}.dropbtn span{font-size:15px;margin-left:5px}.dropdown-menu{position:absolute;top:74px;left:-18px;width:190px;background:#263238;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s;box-shadow:0 10px 30px rgba(0,0,0,.25)}.dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:none}.dropdown-menu a{display:block;padding:13px 18px;border-bottom:1px solid rgba(255,255,255,.06);font-weight:500}.dropdown-menu a:hover{background:var(--teal)}
.hero{height:700px;min-height:620px;position:relative;margin-top:74px;background-image:url('hero-electrico.jpg');background-size:cover;background-position:center right;display:flex;align-items:center;color:white;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#10191e 0%,rgba(16,25,30,.97) 27%,rgba(16,25,30,.79) 49%,rgba(16,25,30,.12) 76%,rgba(16,25,30,0) 100%)}.hero-grid{position:relative;z-index:2}.hero-copy{max-width:620px}.eyebrow{color:var(--teal);font-size:18px;margin:0 0 20px;letter-spacing:.2px}.hero h1{font-size:52px;line-height:1.08;margin:0;font-weight:800;letter-spacing:.4px}.hero h1 span{color:var(--teal)}.accent-line{width:70px;height:3px;background:var(--teal);margin:28px 0}.hero-text{font-size:18px;max-width:500px;margin:0 0 28px;color:#e4eaed}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--teal);color:#fff;border:0;border-radius:5px;padding:15px 28px;font-weight:700;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-2px);filter:brightness(1.06)}.hero-dots{position:absolute;bottom:23px;left:50%;transform:translateX(-50%);display:flex;gap:12px}.hero-dots i{width:11px;height:11px;border-radius:50%;background:white;opacity:.9}.hero-dots i.active{background:var(--teal)}
.dark-section{background:linear-gradient(135deg,#1d292f,#26343b);padding:76px 0;color:#fff}.about-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:center}.section-kicker{display:flex;align-items:center;gap:18px;color:var(--teal);font-weight:700}.section-kicker i{display:block;width:60px;height:2px;background:var(--teal)}.dark-section h2,.contact-section h2{font-size:36px;margin:13px 0}.dark-section h3{font-size:20px;color:var(--teal);font-weight:500;margin:0 0 15px}.dark-section p{color:#dbe1e4}.about-image img{border-radius:18px;width:100%;height:330px;object-fit:cover;box-shadow:0 20px 45px rgba(0,0,0,.22)}.stats{display:flex;gap:32px;margin-top:30px}.stats div{display:flex;flex-direction:column}.stats strong{font-size:28px;color:var(--gold)}.stats span{font-size:12px;color:#b7c1c5;text-transform:uppercase;letter-spacing:.8px}
.section-light{padding:82px 0;background:#fff}.section-heading{text-align:center;margin-bottom:42px}.section-heading p{color:var(--teal);font-weight:800;letter-spacing:1.2px;margin:0 0 8px}.section-heading h2{font-size:34px;margin:0;color:#263238}.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.services-grid article{background:var(--soft);padding:28px;border-radius:10px;border-bottom:3px solid transparent;transition:.2s}.services-grid article:hover{transform:translateY(-5px);border-bottom-color:var(--teal);box-shadow:0 12px 30px rgba(24,41,47,.1)}.services-grid span{color:var(--gold);font-size:14px;font-weight:800}.services-grid h3{margin:8px 0 8px}.services-grid p{margin:0;color:#66747a}
.portfolio-section{padding:82px 0;background:#243238;color:#fff}.section-heading.inverse h2{color:#fff}.filters{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:30px}.filters button{background:transparent;color:#dbe3e6;border:1px solid #526169;padding:9px 15px;border-radius:4px;cursor:pointer;font-weight:700}.filters button.active,.filters button:hover{background:var(--teal);border-color:var(--teal);color:#fff}.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.portfolio-grid article{background:#fff;color:#243238;border-radius:9px;overflow:hidden;transition:.22s}.portfolio-grid article:hover{transform:translateY(-5px)}.project-cover{height:180px;background:linear-gradient(135deg,#33464f,#1b282e);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.12);font-size:78px;font-weight:900;position:relative}.project-cover:after{content:"⚡";position:absolute;color:var(--gold);font-size:36px}.portfolio-grid h3{margin:18px 18px 0}.portfolio-grid p{margin:4px 18px 20px;color:#768087}.portfolio-grid article.hidden{display:none}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.team-grid article{text-align:center;padding:30px;border:1px solid #e6eaec;border-radius:10px}.avatar{width:88px;height:88px;border-radius:50%;margin:0 auto 18px;background:var(--charcoal);color:var(--gold);display:grid;place-items:center;font-size:24px;font-weight:800;border:4px solid #f0d16e}.team-grid h3{margin:0}.team-grid p{color:#778287}
.contact-section{padding:82px 0;background:#172229;color:#fff}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}.contact-section p{color:#c5d0d4}.contact-info{margin-top:30px;display:flex;flex-direction:column}.contact-info strong{color:var(--gold);font-size:22px}.contact-info span{color:#c9d3d7}form{display:grid;grid-template-columns:1fr 1fr;gap:14px}form input,form textarea{width:100%;background:#24343b;border:1px solid #405159;color:#fff;padding:14px 15px;border-radius:5px;outline:none}form input:focus,form textarea:focus{border-color:var(--teal)}form textarea,form button,#formStatus{grid-column:1/-1}#formStatus{margin:0;color:#89e3dc}
footer{background:#10191e;color:#9eaaaf;padding:24px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.footer-inner img{width:165px}#top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:0;border-radius:5px;background:var(--teal);color:#fff;font-size:20px;cursor:pointer;display:none;z-index:900}
@media(max-width:900px){.menu-btn{display:block}#nav{position:absolute;top:74px;left:0;right:0;height:auto;background:#263238;display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 18px}#nav.open{display:flex}#nav>a,.dropdown{height:auto;padding:12px 0}.dropbtn{padding:12px 0;width:100%}.dropdown-menu{display:none}.hero{height:620px;background-position:62% center}.hero:before{background:rgba(13,22,27,.77)}.hero h1{font-size:42px}.about-grid,.contact-grid{grid-template-columns:1fr}.services-grid,.portfolio-grid{grid-template-columns:repeat(2,1fr)}.team-grid{grid-template-columns:1fr}.stats{flex-wrap:wrap}}
@media(max-width:600px){.container{width:min(100% - 28px,1120px)}.brand img{width:175px}.hero{margin-top:74px;height:590px}.hero h1{font-size:34px}.eyebrow{font-size:15px}.hero-text{font-size:16px}.services-grid,.portfolio-grid{grid-template-columns:1fr}.about-image img{height:240px}.stats{gap:22px}.dark-section h2,.contact-section h2,.section-heading h2{font-size:29px}form{grid-template-columns:1fr}.footer-inner{flex-direction:column;text-align:center}}

/* ===== NOSOTROS v0.3 integrado sobre base funcional v0.2 ===== */
.about-section{background:linear-gradient(135deg,#09151a,#10242d 70%,#0a171c);padding:78px 0 84px;color:#fff}.about-section .about-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:72px;align-items:start}.about-section .section-kicker{display:flex;align-items:center;gap:18px;color:var(--teal);font-weight:700;font-size:18px}.about-section .section-kicker i{width:52px;height:2px;background:var(--teal)}.about-content h2{font-size:48px;line-height:1.08;margin:16px 0}.about-intro{font-size:18px;line-height:1.65;color:#eef2f3;margin:0 0 30px}.about-feature{display:grid;grid-template-columns:80px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid rgba(17,199,179,.32)}.about-feature:last-child{border-bottom:0}.feature-icon{width:64px;height:64px;border:2px solid var(--teal);border-radius:50%;display:grid;place-items:center;color:var(--teal);font-size:26px}.about-feature h3{margin:5px 0 8px;font-size:21px;color:#fff}.about-feature p{margin:0;color:#eef2f3;line-height:1.55;font-size:16px}.about-section .about-image{position:sticky;top:100px}.about-section .about-image img{width:100%;height:auto;display:block;aspect-ratio:1/1.08;object-fit:cover;border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.45)}
@media(max-width:900px){.about-section .about-grid{grid-template-columns:1fr}.about-section .about-image{position:static}.about-content h2{font-size:40px}}
@media(max-width:600px){.about-feature{grid-template-columns:62px 1fr}.feature-icon{width:54px;height:54px}.about-content h2{font-size:34px}.about-intro{font-size:16px}.about-section .about-image img{aspect-ratio:auto;height:auto}}

/* ===== NUESTRO SELLO ===== */
.sello-section{padding:86px 0 74px;background:linear-gradient(180deg,#fbfcfd 0%,#f4f7f8 100%);position:relative;overflow:hidden}.sello-section:before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(31,67,91,.055) 1px,transparent 1px);background-size:15px 15px;opacity:.35;pointer-events:none}.sello-section .container{position:relative;z-index:1}.sello-heading{text-align:center;max-width:780px;margin:0 auto 42px}.sello-kicker{margin:0 0 8px;color:#0e4f8d;font-size:13px;font-weight:800;letter-spacing:2.2px}.sello-heading h2{margin:0;color:#0e2e63;font-size:39px;line-height:1.14;font-weight:800}.sello-intro{max-width:660px;margin:15px auto 0;color:#65727a;font-size:16px;line-height:1.55}.sello-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.sello-card{background:#fff;border-radius:10px;padding:28px 20px 25px;text-align:center;box-shadow:0 8px 24px rgba(25,53,70,.09);border-top:4px solid #0d6bb7;transition:transform .28s ease,box-shadow .28s ease,opacity .5s ease;min-height:270px;opacity:0;transform:translateY(22px)}.sello-card.is-visible{opacity:1;transform:translateY(0)}.sello-card.is-visible:hover{transform:translateY(-7px);box-shadow:0 16px 34px rgba(25,53,70,.14)}.sello-card:nth-child(2){transition-delay:.08s}.sello-card:nth-child(3){transition-delay:.16s}.sello-card:nth-child(4){transition-delay:.24s}.sello-card.sello-gold{border-top-color:#e9b92c}.sello-icon{width:76px;height:76px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;background:#edf6fc;color:#0d6bb7}.sello-gold .sello-icon{background:#fff7df;color:#e3a90f}.sello-icon svg{width:46px;height:46px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.sello-card h3{margin:0 0 10px;color:#0e2e63;font-size:17px;line-height:1.25}.sello-card p{margin:0;color:#68757c;font-size:14px;line-height:1.55}.sello-footer{width:max-content;max-width:100%;margin:34px auto 0;padding:10px 18px;border-top:2px solid #e9b92c;border-bottom:2px solid #e9b92c;display:flex;align-items:center;justify-content:center;gap:12px;color:#0e2e63}.sello-bolt{color:#e3a90f;font-size:25px;line-height:1}.sello-footer strong{font-size:15px}
@media(max-width:900px){.sello-grid{grid-template-columns:repeat(2,1fr)}.sello-heading h2{font-size:34px}.sello-card{min-height:250px}}
@media(max-width:600px){.sello-section{padding:68px 0 60px}.sello-grid{grid-template-columns:1fr;gap:16px}.sello-heading{margin-bottom:30px}.sello-heading h2{font-size:29px}.sello-intro{font-size:15px}.sello-card{min-height:auto;padding:25px 20px}.sello-footer{width:100%;text-align:center;align-items:flex-start}.sello-footer strong{font-size:14px}}
@media(prefers-reduced-motion:reduce){.sello-card{opacity:1;transform:none;transition:none}.sello-card.is-visible:hover{transform:none}}