:root{--navy:#062b4f;--navy2:#021a30;--red:#c8102e;--red2:#a20d25;--white:#fff;--soft:#f5f7fa;--line:#dce3ea;--ink:#111827;--muted:#64748b;--steel:#5b6770;--wa:#25d366;--container:1220px;--shadow-sm:0 10px 26px rgba(2,26,48,.08);--shadow-md:0 22px 55px rgba(2,26,48,.16);--shadow-lg:0 34px 90px rgba(2,26,48,.25);--t:220ms ease}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.6}img{display:block;max-width:100%}a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit}.container{width:min(100% - 32px,var(--container));margin:auto}.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(220,227,234,.9);backdrop-filter:blur(16px);transition:box-shadow var(--t)}.header.is-scrolled{box-shadow:var(--shadow-sm)}.nav{min-height:84px;display:flex;align-items:center;gap:20px}.brand{display:inline-flex;align-items:center;gap:12px;min-width:max-content}.brand img{width:64px;height:64px;object-fit:contain}.brand strong{display:block;color:var(--navy);font-size:1.12rem;line-height:1.05;letter-spacing:.04em}.brand span{display:block;margin-top:4px;color:var(--steel);font-size:.74rem;text-transform:uppercase;letter-spacing:.15em}.menu{display:flex;align-items:center;gap:17px;margin:0 0 0 auto;padding:0;list-style:none}.menu>li{position:relative}.menu a,.menu-trigger{border:0;background:transparent;color:var(--navy);padding:12px 0;cursor:pointer;font-size:.86rem;font-weight:850;white-space:nowrap}.menu>li>a:after,.menu>li>.menu-trigger:after{content:"";position:absolute;left:0;bottom:5px;width:0;height:2px;background:var(--red);transition:width 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12px);width:270px}.menu-toggle{display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer}.menu-toggle i{display:block;width:20px;height:2px;margin:5px auto;background:var(--navy)}.btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:0 21px;border:1px solid transparent;border-radius:999px;font-weight:900;cursor:pointer;transition:transform var(--t),background var(--t),box-shadow var(--t)}.btn:hover{transform:translateY(-2px)}.btn-red{color:#fff;background:var(--red);box-shadow:0 16px 34px rgba(200,16,46,.23)}.btn-red:hover{background:var(--red2)}.btn-ghost{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28)}.btn-outline{color:var(--navy);background:#fff;border-color:var(--line)}.hero{position:relative;overflow:hidden;color:#fff;min-height:740px;background:radial-gradient(circle at 82% 18%,rgba(200,16,46,.34),transparent 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h1{max-width:820px;margin:0;font-size:clamp(2.8rem,5.6vw,5.9rem);line-height:.93;letter-spacing:-.075em}.hero p{max-width:680px;color:rgba(255,255,255,.77);font-size:1.08rem}.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:670px;margin-top:44px}.stats article{padding:18px;border:1px solid rgba(255,255,255,.15);border-radius:18px;background:rgba(255,255,255,.08);backdrop-filter:blur(10px)}.stats strong{display:block;font-size:1.45rem;line-height:1}.stats span{display:block;margin-top:8px;color:rgba(255,255,255,.72);font-size:.83rem}.hero-panel{padding:34px;color:var(--ink);border:1px solid rgba(255,255,255,.5);border-radius:32px;background:rgba(255,255,255,.96);box-shadow:var(--shadow-lg)}.logo-tile{width:142px;height:142px;padding:12px;display:grid;place-items:center;border-radius:26px;background:#fff;box-shadow:var(--shadow-sm)}.logo-tile 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span{padding:12px;border-radius:14px;color:var(--navy);background:var(--soft);font-weight:850;text-align:center}.specialties{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}.specialty{position:relative;padding:28px;overflow:hidden;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t)}.specialty:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}.specialty.featured{grid-column:span 2;display:grid;gap:24px;background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff;border-color:rgba(255,255,255,.08)}.specialty.featured h3,.specialty.featured p,.specialty.featured .tag{color:#fff}.number{position:absolute;top:21px;right:24px;color:var(--red);font-size:3.1rem;line-height:1;font-weight:950;letter-spacing:-.09em}.featured 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.video{background:var(--red);font-size:1.1rem}.social-card h3{margin:0;color:var(--navy);font-size:1.3rem}.social-card p{margin:8px 0 0;color:var(--muted)}.contact{color:#fff;background:radial-gradient(circle at 85% 14%,rgba(200,16,46,.3),transparent 30%),linear-gradient(135deg,var(--navy2),var(--navy))}.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}.contact-copy h2{margin:0;font-size:clamp(2.2rem,4.1vw,4.15rem);line-height:1.03;letter-spacing:-.06em}.contact-copy p{color:rgba(255,255,255,.75);font-size:1.05rem}.contact-points{display:grid;gap:10px;margin-top:28px}.contact-points span{padding:13px 15px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.08);color:rgba(255,255,255,.85);font-weight:800}.contact-form{padding:32px;border:1px solid rgba(255,255,255,.35);border-radius:30px;background:rgba(255,255,255,.96);box-shadow:var(--shadow-lg)}.contact-form label{display:grid;gap:8px;color:var(--navy);font-size:.9rem;font-weight:900}.contact-form label+label{margin-top:15px}.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:14px;color:var(--ink);outline:0;background:#fff}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--navy);box-shadow:0 0 0 4px rgba(6,43,79,.1)}.contact-form .btn{width:100%;margin-top:22px}.form-message{min-height:24px;margin:14px 0 0;color:var(--navy);font-weight:800}.location-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:38px;align-items:stretch}.location-copy h2{margin:0;color:var(--navy);font-size:clamp(2rem,3.5vw,3.4rem);line-height:1.05;letter-spacing:-.05em}.location-copy p{color:var(--muted)}.location-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:28px}.location-list article{padding:16px;border:1px solid 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rgba(255,255,255,.55);border-radius:18px;background:rgba(255,255,255,.88);backdrop-filter:blur(10px)}.map>div:last-child strong,.map>div:last-child span{display:block}.map>div:last-child strong{color:var(--navy)}.map>div:last-child span{margin-top:4px;color:var(--muted);font-size:.9rem}.footer{padding:62px 0 26px;color:rgba(255,255,255,.72);background:var(--navy2)}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}.footer-brand strong{color:#fff}.footer-brand span{color:rgba(255,255,255,.58)}.footer p{max-width:370px}.footer h3{margin:0 0 14px;color:#fff}.footer a,.footer span{display:block;margin-top:8px}.footer a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:18px;margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:.86rem}.chatbot{position:fixed;right:22px;bottom:22px;z-index:200}.chat-button{width:62px;height:62px;display:grid;place-items:center;border:0;border-radius:50%;color:#fff;background:var(--wa);box-shadow:var(--shadow-lg);font-weight:950;cursor:pointer}.chat-bubble{position:absolute;right:74px;bottom:10px;width:max-content;max-width:250px;padding:12px 14px;border:1px solid var(--line);border-radius:18px 18px 4px 18px;color:var(--navy);background:#fff;box-shadow:var(--shadow-md);font-weight:850;opacity:0;transform:translateY(8px);transition:opacity var(--t),transform var(--t);pointer-events:none}.chat-bubble.visible{opacity:1;transform:translateY(0)}.chat-panel{position:absolute;right:0;bottom:78px;width:min(370px,calc(100vw - 32px));overflow:hidden;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow-lg);opacity:0;transform:translateY(16px) scale(.98);pointer-events:none;transition:opacity var(--t),transform var(--t)}.chat-panel.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.chat-panel header{display:flex;justify-content:space-between;gap:12px;padding:18px;color:#fff;background:linear-gradient(135deg,var(--navy2),var(--navy))}.chat-panel header strong,.chat-panel header span{display:block}.chat-panel header span{margin-top:3px;color:rgba(255,255,255,.68);font-size:.82rem}.chat-panel header button{width:34px;height:34px;border:1px solid rgba(255,255,255,.18);border-radius:50%;color:#fff;background:rgba(255,255,255,.1);font-size:1.25rem;cursor:pointer}.chat-body{padding:18px;background:var(--soft)}.chat-message{display:inline-block;max-width:92%;padding:12px 14px;border-radius:16px 16px 16px 4px;color:var(--navy);background:#fff;box-shadow:var(--shadow-sm);font-weight:750}.quick{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.quick button{padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:var(--navy);background:#fff;font-weight:850;cursor:pointer}.chat-input{display:flex;gap:8px;padding:14px;border-top:1px solid var(--line)}.chat-input input{flex:1;min-width:0;padding:11px 14px;border:1px solid var(--line);border-radius:999px;outline:0}.chat-input button{border:0;border-radius:999px;padding:0 16px;color:#fff;background:var(--red);font-weight:950;cursor:pointer}.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:translateY(0)}@media(max-width:1200px){.menu{gap:11px}.menu a,.menu-trigger{font-size:.79rem}.nav-cta{display:none}}@media(max-width:1040px){.menu-toggle{display:block}.menu{position:fixed;top:122px;left:16px;right:16px;display:grid;gap:0;margin:0;padding:14px;opacity:0;visibility:hidden;transform:translateY(-12px);pointer-events:none;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow-md);transition:opacity var(--t),transform var(--t),visibility var(--t);max-height:calc(100vh - 140px);overflow-y:auto}.menu.open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}.menu>li{width:100%}.menu>li>a,.menu>li>.menu-trigger{width:100%;display:flex;justify-content:space-between;padding:13px 10px;font-size:.94rem}.menu>li>a:after,.menu>li>.menu-trigger:after{display:none}.submenu,.submenu-nested{position:static;width:auto;margin:0 0 0 10px;padding:0;overflow:hidden;max-height:0;border:0;border-radius:0;box-shadow:none;opacity:1;visibility:visible;transform:none;background:transparent;transition:max-height .3s ease}.menu-parent.open>.submenu{max-height:1200px}.submenu a,.submenu .menu-trigger{padding:10px 12px;font-size:.9rem}.hero-grid,.about-grid,.faq-grid,.contact-grid,.location-grid{grid-template-columns:1fr}.hero-grid{min-height:auto;padding:74px 0 134px}.showroom-grid{grid-template-columns:1fr}.social-grid,.detail-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.specialties{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.container{width:min(100% - 24px,var(--container))}.topbar-inner{justify-content:center;text-align:center}.topbar-inner a{display:none}.brand img{width:54px;height:54px}.brand strong{font-size:1rem}.brand span{font-size:.66rem}.hero{min-height:auto}.hero h1{font-size:2.58rem}.actions{flex-direction:column}.btn{width:100%}.stats,.values,.specs,.location-list,.social-grid,.detail-grid,.footer-grid,.specialties,.subcards{grid-template-columns:1fr}.specialty-strip{margin-top:-34px}.strip-grid{grid-template-columns:1fr}.strip-grid article{border-right:0;border-bottom:1px solid var(--line)}.strip-grid article:last-child{border-bottom:0}.section{padding:74px 0}.specialty.featured{grid-column:auto}.testimonials{grid-template-columns:44px 1fr 44px;gap:8px}.testimonials>button{width:42px;height:42px}.testimonial-window{min-height:355px}.testimonial{padding:28px}.testimonial>p{font-size:1.05rem}.stage{min-height:520px}.model{transform:scale(.8) rotateX(-16deg) rotateY(30deg)}.stage-toolbar{align-items:flex-start;flex-direction:column}.showroom-info{padding:26px}.footer-bottom{flex-direction:column}.chatbot{right:16px;bottom:16px}.chat-bubble{display:none}}

/* ==========================================================
   PORTADA · CARRUSEL DE ESPECIALIDADES
========================================================== */
.hero-carousel-section { min-height: 760px !important; isolation: isolate; background: #021a30 !important; }
.hero-carousel-section::before, .hero-carousel-section::after, .hero-carousel-section .hero-grid-pattern { display:none !important; }
.hero-carousel { position:relative; min-height:760px; overflow:hidden; }
.hero-slide { position:absolute; inset:0; display:grid; align-items:center; opacity:0; visibility:hidden; transform:scale(1.035); transition:opacity .76s ease,transform 1.2s cubic-bezier(.2,.8,.2,1),visibility .76s ease; }
.hero-slide.active { opacity:1; visibility:visible; transform:scale(1); z-index:2; }
.hero-slide__media,.hero-slide__veil { position:absolute; inset:0; pointer-events:none; }
.hero-slide__media { opacity:.62; transform:scale(1.05); transition:transform 6s ease; background-position:center; background-size:cover; filter:saturate(.72) contrast(1.08); }
.hero-slide.active .hero-slide__media { transform:scale(1.13); }
.hero-slide__veil { background:linear-gradient(90deg,rgba(2,26,48,.97) 0%,rgba(2,26,48,.88) 33%,rgba(2,26,48,.48) 68%,rgba(2,26,48,.82) 100%),radial-gradient(circle at 88% 20%,rgba(200,16,46,.42),transparent 29%),linear-gradient(180deg,rgba(2,26,48,.15),rgba(2,26,48,.62)); }
.hero-slide__content { position:relative; z-index:2; padding-top:10px; padding-bottom:110px; max-width:calc(var(--container) + 32px); }
.hero-slide__content h1 { max-width:800px; margin:0; color:#fff; font-size:clamp(2.75rem,5.7vw,6rem); line-height:.93; letter-spacing:-.078em; }
.hero-slide__content p { max-width:650px; margin-top:22px; color:rgba(255,255,255,.78); font-size:1.1rem; }
.hero-slide--geotecnia .hero-slide__media { background-image:linear-gradient(135deg,rgba(2,26,48,.15),rgba(2,26,48,.4)),url("https://images.unsplash.com/photo-1541888946425-d81bb19240f5?auto=format&fit=crop&w=2000&q=85"); }
.hero-slide--pavimentos .hero-slide__media { background-image:linear-gradient(135deg,rgba(2,26,48,.15),rgba(2,26,48,.4)),url("https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=2000&q=85"); }
.hero-slide--concretos .hero-slide__media { background-image:linear-gradient(135deg,rgba(2,26,48,.15),rgba(2,26,48,.42)),url("https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=2000&q=85"); }
.hero-slide--asfaltos .hero-slide__media { background-image:linear-gradient(135deg,rgba(2,26,48,.15),rgba(2,26,48,.45)),url("https://images.unsplash.com/photo-1590496793929-36417d3117de?auto=format&fit=crop&w=2000&q=85"); }
.hero-slide--laboratorio .hero-slide__media { background-image:linear-gradient(135deg,rgba(2,26,48,.15),rgba(2,26,48,.42)),url("https://images.unsplash.com/photo-1581093458791-9f3c3900df24?auto=format&fit=crop&w=2000&q=85"); }
.hero-carousel-nav { position:absolute; z-index:8; left:50%; bottom:46px; transform:translateX(-50%); width:min(100% - 32px,var(--container)); display:grid; grid-template-columns:50px 1fr 50px; gap:16px; align-items:center; }
.hero-carousel-arrow { width:48px; height:48px; border:1px solid rgba(255,255,255,.22); border-radius:50%; color:#fff; background:rgba(255,255,255,.09); cursor:pointer; font-size:1.3rem; transition:background var(--t),transform var(--t); }
.hero-carousel-arrow:hover { background:var(--red); transform:translateY(-2px); }
.hero-carousel-pager { display:grid; grid-template-columns:repeat(5,1fr); gap:10px; }
.hero-carousel-pager button { display:grid; gap:2px; min-height:62px; padding:12px 14px; border:1px solid rgba(255,255,255,.14); border-radius:16px; color:rgba(255,255,255,.76); background:rgba(255,255,255,.07); text-align:left; cursor:pointer; transition:background var(--t),border-color var(--t),transform var(--t); }
.hero-carousel-pager button:hover,.hero-carousel-pager button.active { color:#fff; background:rgba(255,255,255,.16); border-color:var(--red); transform:translateY(-2px); }
.hero-carousel-pager span { color:var(--red); font-size:.72rem; font-weight:950; letter-spacing:.12em; }
.hero-carousel-pager strong { font-size:.92rem; line-height:1.1; }

/* PARALLAX SUAVE ENTRE SECCIONES */
.parallax-section { position:relative; overflow:hidden; --parallax-y:0px; }
.parallax-section::before,.parallax-section::after { content:""; position:absolute; pointer-events:none; z-index:0; transform:translate3d(0,var(--parallax-y),0); will-change:transform; }
.parallax-section>.container { position:relative; z-index:1; }
.parallax-section[data-parallax="light"]::before { width:440px; height:440px; right:-140px; top:10%; border-radius:50%; background:radial-gradient(circle,rgba(200,16,46,.10),transparent 68%); }
.parallax-section[data-parallax="soft"]::before { width:520px; height:520px; left:-200px; top:0; border-radius:50%; background:radial-gradient(circle,rgba(6,43,79,.10),transparent 68%); }
.parallax-section[data-parallax="dark"]::before,.parallax-section[data-parallax="showroom"]::before,.parallax-section[data-parallax="contact"]::before { width:620px; height:620px; right:-230px; top:-200px; border-radius:50%; background:radial-gradient(circle,rgba(255,255,255,.11),transparent 65%); }
.parallax-section[data-parallax="dark"]::after,.parallax-section[data-parallax="showroom"]::after,.parallax-section[data-parallax="contact"]::after { inset:0; opacity:.11; background-image:linear-gradient(rgba(255,255,255,.18) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.18) 1px,transparent 1px); background-size:58px 58px; transform:translate3d(0,calc(var(--parallax-y) * -.25),0); }

@media(max-width:1040px){
  .hero-carousel-section,.hero-carousel{min-height:700px !important}
  .hero-slide__content{padding-bottom:145px}
  .hero-carousel-pager button{padding:10px}
  .hero-carousel-pager strong{font-size:.77rem}
}
@media(max-width:700px){
  .hero-carousel-section,.hero-carousel{min-height:670px !important}
  .hero-slide__content{padding-top:36px;padding-bottom:186px}
  .hero-slide__content h1{font-size:2.55rem}
  .hero-slide__content p{font-size:1rem}
  .hero-carousel-nav{bottom:24px;grid-template-columns:1fr;gap:10px}
  .hero-carousel-arrow{display:none}
  .hero-carousel-pager{gap:6px}
  .hero-carousel-pager button{min-height:58px;padding:8px 6px;text-align:center}
  .hero-carousel-pager span{font-size:.64rem}
  .hero-carousel-pager strong{font-size:.64rem;overflow-wrap:anywhere}
  .parallax-section::before,.parallax-section::after{transform:none !important;will-change:auto}
}
@media(prefers-reduced-motion:reduce){
  .hero-slide,.hero-slide__media,.parallax-section::before,.parallax-section::after{transition:none !important;transform:none !important}
}