:root{
  --red:#e9181f;
  --red-dark:#8c161a;
  --black:#08090c;
  --dark:#13151b;
  --gray:#6b7280;
  --light:#f7f7f8;
  --white:#ffffff;
  --yellow:#e9181f;
  --radius:24px;
  --shadow:0 22px 70px rgba(0,0,0,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Montserrat',system-ui,-apple-system,Segoe UI,sans-serif;color:var(--dark);background:var(--light)}
a{text-decoration:none;color:inherit}
img,video{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(8,9,12,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{height:110px;display:flex;align-items:center;justify-content:space-between;color:#fff}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{height:82px;width:auto;display:block}
.nav-links{display:flex;gap:24px;align-items:center;font-weight:700}.nav-links a:not(.btn){opacity:.88}.nav-links a:hover{color:#e9181f}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 22px;border-radius:999px;font-weight:900;text-transform:uppercase;letter-spacing:.4px;transition:.25s ease;box-shadow:0 10px 24px rgba(0,0,0,.12)}
.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--red),#e9181f);color:#fff}.btn-light{background:#fff;color:var(--black)}.btn-dark{background:var(--black);color:#fff}.btn-outline{border:2px solid var(--red);color:#fff;box-shadow:none;padding:11px 18px}
.hero{min-height:780px;position:relative;display:grid;align-items:center;overflow:hidden;background:#000;color:#fff}
.hero-bg{position:absolute;inset:0;background:url('assets/movimiento-tierra-excavadora.jpg') center/cover no-repeat;filter:saturate(1.1);transform:scale(1.03)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.78) 38%,rgba(0,0,0,.25) 72%,rgba(0,0,0,.7) 100%)}
.hero-content{position:relative;z-index:2;padding:100px 0 130px;max-width:1180px}
.eyebrow,.label{display:inline-block;color:#fff;background:var(--red);padding:8px 13px;border-radius:999px;font-weight:900;text-transform:uppercase;font-size:12px;letter-spacing:1px}
h1,h2,h3{margin:0;line-height:.98}h1{font-family:'Anton',Impact,sans-serif;font-size:clamp(48px,8vw,112px);max-width:760px;text-transform:uppercase;text-shadow:0 8px 30px rgba(0,0,0,.35)}
.hero p{font-size:clamp(18px,2vw,25px);max-width:650px;line-height:1.45;color:#f1f1f1;font-weight:600}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-card{position:absolute;right:5%;bottom:32px;width:min(410px,35vw);z-index:3;border:5px solid #fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);transform:rotate(1deg)}
.quick-contact{background:var(--red);color:#fff;padding:28px 0}.contact-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:18px;align-items:center}.quick-contact h2{font-size:28px}.phone-card,.address{background:#fff;color:var(--black);border-radius:18px;padding:18px;font-weight:900;box-shadow:0 14px 35px rgba(0,0,0,.14)}.address{font-size:14px;line-height:1.5}.quick-contact .label{background:#111;color:#fff}
section{padding:90px 0}.section-title{text-align:center;max-width:780px;margin:0 auto 46px}.section-title .label{margin-bottom:16px}.section-title h2{font-size:clamp(34px,4.4vw,60px);text-transform:uppercase}.section-title p{font-size:18px;line-height:1.65;color:var(--gray)}.section-title.light{color:#fff}.section-title.light .label{background:#fff;color:var(--red)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.service-card{background:#fff;border-radius:var(--radius);padding:34px;box-shadow:0 14px 44px rgba(0,0,0,.08);border:1px solid #eee;min-height:260px}.service-card.featured{background:linear-gradient(135deg,var(--black),#8c161a);color:#fff;transform:translateY(-12px)}.icon{font-size:44px;margin-bottom:18px}.service-card h3{font-size:28px}.service-card p{line-height:1.65;color:#5b6170}.service-card.featured p{color:#ddd}
.split-section{background:#fff}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.split-image img{height:560px;width:100%;object-fit:cover;border-radius:32px;box-shadow:var(--shadow)}.split-text h2{font-size:clamp(34px,4vw,58px);text-transform:uppercase;margin-top:18px}.split-text p{font-size:18px;line-height:1.7;color:#555}.check-list{list-style:none;padding:0;margin:26px 0}.check-list li{padding:13px 0 13px 38px;position:relative;font-weight:800}.check-list li:before{content:'✓';position:absolute;left:0;top:8px;width:26px;height:26px;border-radius:50%;background:var(--red);color:#fff;text-align:center;line-height:26px}
.machinery,.video-section{background:linear-gradient(135deg,#070707,#1d1d23);position:relative;overflow:hidden}.machinery:before,.video-section:before{content:'';position:absolute;inset:auto -10% -40% auto;width:520px;height:520px;background:radial-gradient(circle,var(--red),transparent 65%);opacity:.34}.machine-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.machine-item{background:rgba(255,255,255,.08);color:#fff;padding:26px;border-radius:22px;border:1px solid rgba(255,255,255,.12)}.machine-item strong{font-size:24px;display:block;margin-bottom:10px}.machine-item span{color:#ccc;line-height:1.5}
.gallery-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;grid-auto-rows:330px;gap:18px}.gallery-grid figure{margin:0;border-radius:24px;overflow:hidden;position:relative;box-shadow:0 12px 38px rgba(0,0,0,.16);background:#111}.gallery-grid .wide{grid-row:span 2}.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:.35s}.gallery-grid figure:hover img{transform:scale(1.04)}figcaption{position:absolute;left:16px;right:16px;bottom:16px;background:rgba(0,0,0,.72);color:#fff;border-left:5px solid var(--red);border-radius:14px;padding:13px;font-weight:800}
.videos{display:grid;grid-template-columns:1fr 1fr;gap:24px}.videos video{width:100%;max-height:520px;object-fit:cover;border-radius:24px;background:#000;box-shadow:var(--shadow)}
.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.strength-grid div{background:#fff;border-radius:22px;padding:28px;text-align:center;box-shadow:0 14px 40px rgba(0,0,0,.08);font-size:18px;min-height:125px;display:flex;align-items:center;justify-content:center;gap:8px;flex-direction:column}
.cta{padding-top:0}.cta-box{background:linear-gradient(135deg,var(--red),#e9181f);color:#fff;border-radius:34px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow)}.cta h2{font-size:clamp(32px,4vw,58px);text-transform:uppercase;max-width:720px}.cta .label{background:#111}.cta p{font-size:18px;font-weight:600}.cta-actions{display:flex;flex-direction:column;gap:14px;min-width:250px}
.footer{background:#050507;color:#fff;padding:36px 0}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;align-items:center}.footer p{color:#cfcfcf;font-weight:600}
@media (max-width:900px){.menu-btn{display:block}.nav-links{display:none;position:absolute;left:0;right:0;top:110px;background:#08090c;padding:24px;flex-direction:column}.menu-open .nav-links{display:flex}.hero{min-height:680px}.hero-card{display:none}.contact-grid,.cards,.split,.machine-grid,.videos,.strength-grid,.footer-grid{grid-template-columns:1fr}.service-card.featured{transform:none}.gallery-grid{grid-template-columns:1fr;grid-auto-rows:300px}.gallery-grid .wide{grid-row:auto}.split-image img{height:420px}.cta-box{flex-direction:column;align-items:flex-start}.quick-contact h2{font-size:24px}}
@media (max-width:560px){.hero-content{padding:80px 0}.hero p{font-size:17px}.btn{width:100%;text-align:center}.quick-contact{padding:22px 0}.phone-card,.address{padding:16px}.service-card,.cta-box{padding:28px}.split-image img{height:320px}section{padding:64px 0}.gallery-grid{grid-auto-rows:245px}}