:root {
  --forest: #0036cb;
  --forest-deep: #002686;
  --lime: #fc6a05;
  --orange-gold: #f9a90a;
  --blue-sky: #09b0ec;
  --sand: #eef0f2;
  --cream: #ffffff;
  --ink: #3e4141;
  --muted: #676868;
  --line: rgba(103, 104, 104, .2);
  --white: #fff;
  --radius: 3px;
  --display: "Avenir Next", Avenir, "Helvetica Neue", Arial, sans-serif;
  --body: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: var(--cream); font-family: var(--body); font-size: 16px; line-height: 1.6; }
body.menu-open { overflow: hidden; }
main { display: flex; flex-direction: column; }
.hero { order: 1; }
.company { order: 2; }
.benefits { order: 3; }
.applications { order: 4; }
.method { order: 5; }
.contact { order: 6; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; top: -60px; left: 16px; z-index: 100; padding: 10px 16px; background: var(--lime); color: var(--forest-deep); font-weight: 700; }
.skip-link:focus { top: 12px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; height: 86px; color: var(--muted); background: white; border-bottom: 1px solid rgba(103,104,104,.13); transition: box-shadow .25s; }
.site-header.scrolled { background: rgba(255,255,255,.98); box-shadow: 0 10px 40px rgba(0,54,203,.10); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; }
.brand img { display: block; width: 148px; height: auto; }
.site-header .brand { padding: 0; }
.main-nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 600; }
.main-nav > a:not(.nav-cta) { position: relative; }
.main-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -7px; width: 0; height: 2px; background: var(--lime); transition: width .2s; }
.main-nav > a:hover::after, .main-nav > a.active::after { width: 100%; }
.nav-cta { padding: 10px 16px; border: 1px solid var(--forest); color: var(--forest); display: flex; gap: 20px; transition: .2s; }
.nav-cta:hover { background: var(--forest); color: white; border-color: var(--forest); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--forest); transition: .25s; }

.hero { min-height: 790px; padding: 86px 0 0; position: relative; overflow: hidden; color: white; background: #172534 url("assets/hero-road.jpg") center center / cover no-repeat; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,22,36,.92) 0%, rgba(10,22,36,.70) 44%, rgba(10,22,36,.20) 72%, rgba(10,22,36,.04) 100%); }
.hero-layout { min-height: 704px; display: flex; align-items: center; position: relative; }
.hero-copy { width: min(720px, 68%); padding: 70px 0 115px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; color: rgba(255,255,255,.66); font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { width: 26px; height: 2px; background: var(--lime); }
.eyebrow.dark { color: var(--muted); }
h1, h2 { margin: 0; font-family: var(--display); font-weight: 700; letter-spacing: -.045em; line-height: .99; }
h1 { max-width: 800px; font-size: clamp(46px, 5.4vw, 74px); text-transform: uppercase; }
h1 em, h2 em { color: var(--lime); font-style: normal; }
.hero-copy > p { max-width: 650px; margin: 30px 0 35px; color: rgba(255,255,255,.82); font-size: 18px; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; gap: 30px; }
.button { min-height: 52px; padding: 0 21px; border: 0; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; font-weight: 700; cursor: pointer; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--forest-deep); background: var(--lime); }
.text-link { padding-bottom: 5px; border-bottom: 1px solid rgba(255,255,255,.35); font-weight: 600; }
.text-link span { margin-left: 10px; color: var(--lime); }

.hero-visual { height: 485px; position: relative; overflow: hidden; background: #ddecf7; clip-path: polygon(7% 0, 100% 0, 100% 92%, 93% 100%, 0 100%, 0 8%); }
.sun { position: absolute; top: 55px; right: 55px; width: 65px; height: 65px; border-radius: 50%; background: linear-gradient(135deg, var(--lime), var(--orange-gold)); box-shadow: 0 0 45px rgba(252,106,5,.35); }
.land { position: absolute; left: -10%; right: -10%; border-radius: 50% 50% 0 0; }
.land-back { height: 260px; bottom: 100px; background: #64bfe4; transform: rotate(5deg); }
.land-front { height: 255px; bottom: -100px; background: #074fc8; transform: rotate(-5deg); }
.road { position: absolute; left: 46%; top: 47%; width: 48%; height: 78%; background: #d9d4c8; transform: perspective(400px) rotateX(50deg) rotateZ(20deg); transform-origin: top; clip-path: polygon(42% 0, 59% 0, 100% 100%, 0 100%); box-shadow: inset 0 0 0 8px rgba(92,80,60,.16); }
.road-line { position: absolute; width: 5%; height: 15%; left: 49%; background: white; }
.road-line.one { top: 18%; }.road-line.two { top: 45%; }.road-line.three { top: 77%; }
.visual-card { position: absolute; left: 24px; bottom: 24px; padding: 15px 18px; display: flex; align-items: center; gap: 13px; color: var(--ink); background: rgba(255,255,255,.9); backdrop-filter: blur(8px); box-shadow: 0 10px 30px rgba(0,54,203,.18); }
.visual-card strong, .visual-card small { display: block; line-height: 1.4; }
.visual-card strong { font-size: 13px; }.visual-card small { color: #62706c; font-size: 11px; }
.pulse { width: 11px; height: 11px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 6px rgba(252,106,5,.2); }
.proof-strip { min-height: 128px; margin-top: 73px; padding-left: 50%; position: relative; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(255,255,255,.13); }
.proof-strip::before { content: "BETAFIL / INFRAESTRUCTURA"; position: absolute; left: 0; top: 36px; color: rgba(255,255,255,.28); font: 700 11px var(--display); letter-spacing: .14em; }
.proof-strip div { padding: 27px 12px; border-left: 1px solid rgba(255,255,255,.13); }
.proof-strip strong, .proof-strip span { display: block; }.proof-strip strong { color: var(--lime); font: 700 15px var(--display); }.proof-strip span { color: rgba(255,255,255,.45); font-size: 11px; }

.section { padding: 120px 0; }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 60px; margin-bottom: 60px; }
.section-number { display: block; margin-bottom: 35px; color: #98a19e; font: 700 12px var(--display); letter-spacing: .16em; }
.section-number.light { color: rgba(255,255,255,.35); }
h2 { max-width: 760px; font-size: clamp(42px, 5vw, 68px); }
.benefits h2 em, .applications h2 em, .contact h2 em { color: var(--forest); }
.technology-title { max-width: 850px; font-size: clamp(38px, 4.35vw, 61px); text-transform: uppercase; }
.section-heading > div:last-child > p { max-width: 780px; margin: 26px 0 0; color: var(--muted); font-size: 17px; }
.benefits-subheading { margin: 0 0 22px; }
.benefits-subheading .eyebrow { margin-bottom: 0; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.benefit-card { min-height: 365px; padding: 26px 28px; position: relative; overflow: hidden; isolation: isolate; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: white; transition: transform .25s, background .25s, box-shadow .25s; }
.benefit-card::before { content: ""; position: absolute; inset: 0 0 auto; z-index: -2; height: 168px; background: var(--forest) center / cover no-repeat; transition: transform .45s ease; }
.benefit-card::after { content: ""; position: absolute; inset: 0 0 auto; z-index: -1; height: 168px; background: linear-gradient(180deg, rgba(0,25,91,.18), rgba(0,25,91,.65)); }
.benefit-card:hover { z-index: 2; transform: translateY(-5px); background: white; box-shadow: 0 18px 45px rgba(0,54,203,.11); }
.benefit-card:hover::before { transform: scale(1.035); }
.benefit-card.highlight { background: #fff8f2; }
.benefit-durability::before { background-image: url("assets/beneficio-mayor-durabilidad.jpg"); }
.benefit-cost::before { background-image: url("assets/beneficio-optimizacion-costos.jpg"); }
.benefit-efficiency::before { background-image: url("assets/beneficio-ejecucion-eficiente.jpg"); }
.benefit-environment::before { background-image: url("assets/beneficio-compromiso-ambiental.jpg"); }
.benefit-support::before { background-image: url("assets/beneficio-asesoramiento-tecnico.jpg"); }
.benefit-custom::before { background-image: url("assets/beneficio-soluciones-medida.jpg"); }
.card-index { position: relative; z-index: 2; color: rgba(255,255,255,.78); font: 700 11px var(--display); }
.card-icon { width: 49px; height: 49px; margin: 30px 0 65px; position: relative; z-index: 2; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.7); color: white; background: rgba(0,38,134,.18); font: 600 23px var(--display); backdrop-filter: blur(4px); }
.benefit-card h3 { margin: 0 0 12px; font: 700 20px var(--display); letter-spacing: -.02em; }
.benefit-card p { max-width: 280px; margin: 0; color: var(--muted); font-size: 14px; }

.company { padding: 0; color: white; background: var(--forest-deep); }
.company-layout { width: 100%; max-width: none; display: grid; grid-template-columns: 1fr 1fr; }
.company-visual { min-height: 670px; padding: 70px; position: relative; overflow: hidden; background: #e6f3fa; color: var(--forest-deep); }
.company-visual::after { content: ""; position: absolute; width: 560px; height: 460px; right: -120px; bottom: -160px; border-radius: 50%; background: var(--forest); box-shadow: -110px -40px 0 #09b0ec, -220px -15px 0 #a7dcf0; transform: rotate(-15deg); }
.company-photo { padding: 0; background: #173b73 url("assets/equipo-betafil-campo-v2.webp") 48% center / cover no-repeat; }
.company-photo::after { display: none; }
.company-visual > p { margin: 0; position: relative; z-index: 2; color: rgba(0,54,203,.38); font: 800 40px/1.05 var(--display); letter-spacing: -.04em; }
.company-stamp { position: absolute; left: 70px; bottom: 70px; z-index: 3; width: 165px; height: 165px; padding: 26px; border-radius: 50%; display: flex; flex-direction: column; justify-content: center; background: var(--lime); transform: rotate(-7deg); }
.company-stamp strong { font: 800 43px/1 var(--display); }.company-stamp small { margin-top: 6px; font-weight: 700; line-height: 1.25; }
.topo-lines span { position: absolute; z-index: 1; border: 1px solid rgba(0,54,203,.22); border-radius: 48%; transform: rotate(-18deg); }
.topo-lines span:nth-child(1){ width:540px;height:390px;left:-80px;top:70px}.topo-lines span:nth-child(2){width:470px;height:330px;left:-40px;top:105px}.topo-lines span:nth-child(3){width:390px;height:270px;left:0;top:140px}.topo-lines span:nth-child(4){width:310px;height:210px;left:40px;top:170px}.topo-lines span:nth-child(5){width:220px;height:140px;left:85px;top:207px}
.company-copy { padding: 105px max(50px, calc((100vw - 1180px)/2)); padding-left: 8vw; }
.company-copy h2 { margin-bottom: 32px; font-size: clamp(42px, 4.5vw, 64px); }
.company-copy > p { max-width: 590px; color: rgba(255,255,255,.66); font-size: 16px; }
.light-link { display: inline-block; margin-top: 20px; }

.applications { background: #f3f4f5; }
.applications-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: rgba(103,104,104,.2); }
.application-card { min-height: 340px; padding: 26px; position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; color: white; background: var(--forest); isolation: isolate; }
.application-card::before, .application-card::after { content: ""; position: absolute; inset: 0; z-index: -2; transition: transform .5s; }
.application-card::after { z-index: -1; background: linear-gradient(180deg, rgba(0,38,134,.04), rgba(0,25,91,.9)); }
.application-card:hover::before { transform: scale(1.06); }
.application-card > span { color: rgba(255,255,255,.7); font: 700 11px var(--display); }
.application-card h3 { margin: 0 0 8px; font: 700 24px var(--display); letter-spacing: -.03em; }
.application-card p { max-width: 260px; margin: 0; color: rgba(255,255,255,.65); font-size: 14px; }
.application-card b { position: absolute; top: 22px; right: 25px; color: var(--lime); font-size: 19px; }
.card-rural::before { background: url("assets/aplicacion-caminos-rurales.webp") center / cover no-repeat; }
.card-industrial::before { background: url("assets/aplicacion-infraestructura-industrial.webp") 52% center / cover no-repeat; }
.card-public::before { background: url("assets/aplicacion-obras-publicas.webp") 50% center / cover no-repeat; }
.card-air::before { background: url("assets/aplicacion-aerodromos.webp") 54% center / cover no-repeat; }
.card-logistics::before { background: url("assets/aplicacion-plataformas-logisticas.webp") 56% center / cover no-repeat; }
.card-access::before { background: url("assets/aplicacion-accesos-privados.webp") 48% center / cover no-repeat; }

.method { color: white; background: var(--forest); }
.method-heading { display: grid; grid-template-columns: 1fr 1fr; column-gap: 80px; }
.method-heading .eyebrow { grid-column: 1/-1; }.method-heading h2 { font-size: clamp(42px,5vw,68px); }.method-heading > p { max-width: 450px; margin: 10px 0 0; align-self: end; color: rgba(255,255,255,.62); font-size: 17px; }
.steps { margin: 75px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4,1fr); list-style: none; border-top: 1px solid rgba(255,255,255,.17); }
.steps li { min-height: 270px; padding: 28px 27px 20px 0; position: relative; border-right: 1px solid rgba(255,255,255,.17); }
.steps li:not(:first-child) { padding-left: 27px; }.steps li:last-child { border: 0; }
.steps li > span { color: var(--lime); font: 700 11px var(--display); }.steps li > div { position: absolute; left: 0; right: 24px; bottom: 10px; }.steps li:not(:first-child) > div { left: 27px; }
.steps strong { font: 700 19px var(--display); }.steps p { margin: 9px 0 0; color: rgba(255,255,255,.55); font-size: 13px; }

.contact { background: var(--sand); }
.contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.contact-copy > p { max-width: 460px; color: var(--muted); font-size: 17px; }
.contact-direct { padding: 50px; align-self: center; background: var(--cream); border-top: 5px solid var(--lime); box-shadow: 0 18px 60px rgba(0,54,203,.08); }
.contact-direct p { max-width: 440px; margin: 0 0 30px; color: var(--muted); font-size: 18px; }
.contact-whatsapp { margin-top: 34px; padding-top: 25px; border-top: 1px solid var(--line); }
.contact-whatsapp span { display: block; margin-bottom: 7px; color: var(--muted); font-size: 14px; }
.contact-whatsapp a { display: inline-flex; align-items: center; gap: 12px; color: var(--forest); font: 700 22px/1.2 var(--display); }
.contact-whatsapp a:hover { color: var(--lime); }
.contact-whatsapp b { color: var(--lime); font-size: 17px; }

.site-footer { padding: 65px 0 25px; color: white; background: #00226f; }
.footer-top { display: grid; grid-template-columns: 1fr 1.5fr 1fr; align-items: start; padding-bottom: 58px; }
.footer-brand { align-self: start; }.footer-brand img { width: 155px; }.footer-top > p { margin: 0; color: rgba(255,255,255,.55); line-height: 1.5; }.footer-top nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; font-size: 14px; }.footer-top nav a:hover { color: var(--lime); }
.footer-bottom { padding-top: 22px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.36); font-size: 11px; text-transform: uppercase; letter-spacing: .09em; }.footer-bottom a:hover { color: white; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .hero { min-height: 730px; padding-top: 86px; background-position: 58% center; }
  .hero-layout { min-height: 644px; }
  .hero-copy { width: 72%; }
  .section-heading { grid-template-columns: .5fr 2fr; }
  .benefit-grid { grid-template-columns: repeat(2,1fr); }
  .company-layout { grid-template-columns: 1fr; }.company-visual { min-height: 520px; }.company-copy { padding: 90px max(32px, calc((100vw - 700px)/2)); }
  .applications-grid { grid-template-columns: repeat(2,1fr); }
  .contact-layout { gap: 50px; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 32px, 620px); }
  .site-header { height: 68px; }
  .site-header .brand { padding: 4px 9px; }
  .site-header .brand img { width: 122px; }
  .menu-toggle { display: block; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { position: fixed; top: 68px; right: 0; bottom: auto; left: 0; z-index: 70; height: calc(100vh - 68px); height: calc(100dvh - 68px); padding: 28px 24px 40px; display: flex; flex-direction: column; align-items: stretch; gap: 0; overflow-y: auto; overscroll-behavior: contain; color: white; background-color: #002686; box-shadow: inset 0 1px rgba(255,255,255,.08); isolation: isolate; visibility: hidden; pointer-events: none; transform: translateX(100%); transition: transform .3s ease, visibility 0s linear .3s; }
  .main-nav.open { visibility: visible; pointer-events: auto; transform: translateX(0); transition: transform .3s ease; }
  .main-nav a { padding: 20px 4px; border-bottom: 1px solid rgba(255,255,255,.18); color: white; font: 700 clamp(21px,6vw,28px)/1.2 var(--display); }
  .main-nav > a:not(.nav-cta)::after { display: none; }
  .main-nav > a:not(.nav-cta).active { color: var(--orange-gold); }
  .main-nav .nav-cta { margin-top: 28px; padding: 17px 18px; border: 0; color: white; background: var(--lime); }
  .main-nav .nav-cta:hover, .main-nav .nav-cta:focus-visible { color: white; background: #df5700; }
  .hero { min-height: 720px; padding-top: 68px; background-position: 64% center; }.hero::before { background: linear-gradient(90deg, rgba(10,22,36,.94) 0%, rgba(10,22,36,.75) 68%, rgba(10,22,36,.38) 100%); }.hero-layout { min-height: 652px; }.hero-copy { width: 100%; padding: 90px 0 110px; }.hero-copy > p { font-size: 16px; }.hero-actions { align-items: stretch; flex-direction: column; gap: 20px; }.hero-actions .button { align-self: flex-start; }
  .section { padding: 82px 0; }.section-heading { display: block; margin-bottom: 40px; }.section-heading > div:first-child { margin-bottom: 15px; }.section-number { margin-bottom: 20px; }
  .benefit-grid { grid-template-columns: 1fr; }.benefit-card { min-height: 270px; }
  .company-visual { min-height: 420px; padding: 35px; }.company-visual > p { font-size: 28px; }.company-stamp { left: 35px; bottom: 35px; width: 140px; height: 140px; }.company-copy { padding: 75px 24px; }
  .applications-grid { grid-template-columns: 1fr; }.application-card { min-height: 280px; }
  .method-heading { grid-template-columns: 1fr; }.method-heading .eyebrow { grid-column: auto; }.method-heading > p { margin-top: 28px; }.steps { grid-template-columns: 1fr; }.steps li { min-height: 180px; padding-left: 0!important; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.17); }.steps li > div { left: 0!important; }
  .contact-layout { grid-template-columns: 1fr; }.contact-direct { padding: 34px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }.footer-top nav { max-width: 350px; }.footer-bottom { gap: 16px; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms!important; transition-duration: .01ms!important; }
  .reveal { opacity: 1; transform: none; }
}