:root { --green:#173c27; --deep:#0b2818; --leaf:#2d7b35; --gold:#e7ad28; --orange:#e55a36; --cream:#f6f3eb; --paper:#fffdf8; --ink:#1d261f; --muted:#5f675f; --line:rgba(23,60,39,.18); --max:1180px; --shadow:0 18px 45px rgba(9,37,22,.11); --ease:cubic-bezier(.22,1,.36,1); }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--paper); font-family:"Times New Roman",Times,serif; font-size:1.0625rem; line-height:1.65; overflow-x:hidden; }
body.nav-open { overflow:hidden; }
a { color:inherit; }
img { display:block; max-width:100%; }
button { font:inherit; }
.shell { width:min(var(--max),calc(100% - 48px)); margin-inline:auto; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.skip-link { position:fixed; z-index:100; left:1rem; top:1rem; transform:translateY(-180%); padding:.6rem 1rem; background:var(--gold); color:var(--deep); font-family:Arial,sans-serif; font-weight:700; text-decoration:none; }
.skip-link:focus { transform:none; }
:focus-visible { outline:3px solid var(--orange); outline-offset:4px; }

.site-header { position:sticky; top:0; z-index:30; background:rgba(255,253,248,.96); border-bottom:1px solid var(--line); backdrop-filter:blur(14px); }
.nav-wrap { position:relative; height:84px; display:flex; align-items:center; justify-content:space-between; }
.brand img { width:190px; height:auto; }
.main-nav { display:flex; align-items:center; gap:2rem; font-family:Arial,sans-serif; }
.main-nav a { position:relative; font-size:.76rem; font-weight:700; letter-spacing:.09em; text-transform:uppercase; text-decoration:none; }
.main-nav a:not(.nav-contact)::after { content:""; position:absolute; left:0; right:100%; bottom:-.45rem; height:2px; background:var(--leaf); transition:right .25s; }
.main-nav a:hover::after { right:0; }
.nav-contact { padding:.7rem 1rem; color:#fff; background:var(--green); }
.menu-button { display:none; width:46px; height:46px; border:0; background:transparent; }
.menu-button span:not(.sr-only) { display:block; width:25px; height:2px; margin:6px auto; background:var(--ink); transition:transform .25s; }

#empresa,#servicios,#ejecucion,#compromiso,#contacto { scroll-margin-top:96px; }

.hero { position:relative; min-height:calc(100vh - 84px); color:#fff; background:var(--deep); overflow:hidden; }
.hero-image,.hero-overlay { position:absolute; inset:0; width:100%; height:100%; }
.hero-image { object-fit:cover; object-position:center; }
.hero-overlay { background:linear-gradient(90deg,rgba(6,27,15,.91),rgba(6,27,15,.6) 46%,rgba(6,27,15,.12) 78%),linear-gradient(0deg,rgba(6,27,15,.4),transparent 45%); }
.hero-inner { position:relative; z-index:2; min-height:calc(100vh - 84px); padding-block:clamp(5rem,10vw,8rem) 2rem; display:flex; flex-direction:column; justify-content:space-between; }
.hero-copy { max-width:710px; padding-left:1.5rem; border-left:3px solid var(--gold); }
.kicker { margin:0 0 1.2rem; color:var(--leaf); font-family:Arial,sans-serif; font-size:.73rem; font-weight:800; letter-spacing:.12em; text-transform:uppercase; }
.kicker-light { color:#d8c486; }
h1,h2,h3 { font-weight:400; }
h1 { max-width:660px; margin:0; font-size:clamp(3.25rem,5.4vw,5.2rem); line-height:1; letter-spacing:-.03em; }
.hero-copy>p:not(.kicker) { max-width:590px; margin:1.6rem 0 0; color:#e7ece8; font-size:1.25rem; line-height:1.55; }
.hero-actions { display:flex; flex-wrap:wrap; gap:.8rem; margin-top:2.2rem; }
.button { min-height:50px; display:inline-flex; align-items:center; justify-content:center; padding:.8rem 1.25rem; border:1px solid transparent; font-family:Arial,sans-serif; font-size:.84rem; font-weight:750; letter-spacing:.02em; text-decoration:none; transition:transform .2s var(--ease),background .2s,color .2s; }
.button:hover { transform:translateY(-2px); }
.button-gold { color:var(--deep); background:var(--gold); }
.button-outline { color:#fff; border-color:rgba(255,255,255,.6); background:rgba(255,255,255,.04); }
.button-outline:hover { color:var(--deep); background:#fff; }
.hero-caption { margin:3rem 0 0; font-family:Arial,sans-serif; font-size:.76rem; letter-spacing:.06em; }

.scope-strip { color:#fff; background:var(--green); border-top:1px solid rgba(255,255,255,.15); }
.scope-grid { min-height:76px; display:grid; grid-template-columns:repeat(4,1fr); align-items:center; }
.scope-grid span { padding-inline:1.2rem; font-size:1.05rem; text-align:center; }
.scope-grid span+span { border-left:1px solid rgba(255,255,255,.22); }

.about-section { padding-block:clamp(6rem,10vw,9rem); display:grid; grid-template-columns:1fr .82fr; gap:clamp(3rem,8vw,7rem); align-items:center; }
.about-copy h2,.section-heading h2,.execution-copy h2,.commitment-heading h2,.contact-inner h2 { margin:0; font-size:clamp(2.35rem,4.1vw,3.8rem); line-height:1.08; letter-spacing:-.02em; }
.lead { margin:1.8rem 0 1rem; color:var(--green); font-size:1.35rem; line-height:1.5; }
.about-copy>p:last-child { margin:0; color:var(--muted); }
.about-figure { margin:0; }
.about-figure img { width:100%; aspect-ratio:4/3; object-fit:cover; }
.about-figure figcaption { margin-top:.7rem; color:var(--muted); font-family:Arial,sans-serif; font-size:.76rem; letter-spacing:.03em; }

.services-section { padding-block:clamp(6rem,9vw,8rem); background:var(--cream); border-block:1px solid var(--line); }
.section-heading { display:grid; grid-template-columns:1.25fr .75fr; gap:4rem; align-items:end; margin-bottom:3.5rem; }
.section-heading>p { max-width:430px; margin:0 0 .3rem; color:var(--muted); }
.service-grid { display:grid; grid-template-columns:repeat(2,1fr); border-top:1px solid var(--line); border-left:1px solid var(--line); }
.service-card { min-height:390px; padding:2.2rem; display:flex; flex-direction:column; border-right:1px solid var(--line); border-bottom:1px solid var(--line); background:rgba(255,255,255,.6); transition:background .25s,transform .25s var(--ease); }
.service-card:hover { z-index:2; background:#fff; box-shadow:var(--shadow); transform:translateY(-3px); }
.service-card>span { align-self:flex-end; color:var(--orange); font-family:Arial,sans-serif; font-size:.72rem; }
.service-card h3 { margin:auto 0 .8rem; color:var(--green); font-size:1.85rem; line-height:1.15; }
.service-card p { margin:0; color:var(--muted); }
.service-card ul { margin:1.3rem 0 0; padding:1.2rem 0 0; list-style:none; border-top:1px solid var(--line); columns:3; column-gap:1rem; font-size:.9rem; }
.service-card li { break-inside:avoid; }

.execution-section { display:grid; grid-template-columns:1fr 1fr; color:#fff; background:var(--deep); }
.execution-image img { width:100%; height:100%; min-height:720px; object-fit:cover; }
.execution-copy { padding:clamp(4rem,7vw,7rem); }
.execution-copy ol { margin:3rem 0 0; padding:0; list-style:none; border-top:1px solid rgba(255,255,255,.22); }
.execution-copy li { display:grid; grid-template-columns:48px 1fr; gap:1rem; padding:1.25rem 0; border-bottom:1px solid rgba(255,255,255,.22); }
.execution-copy li>span { padding-top:.2rem; color:var(--gold); font-family:Arial,sans-serif; font-size:.7rem; }
.execution-copy h3 { margin:0 0 .2rem; font-size:1.45rem; }
.execution-copy li p { margin:0; color:#c7d2ca; font-size:.98rem; }

.commitment-section { padding-block:clamp(6rem,10vw,9rem); }
.commitment-heading { max-width:820px; margin-bottom:3.5rem; }
.commitment-grid { display:grid; grid-template-columns:repeat(3,1fr); border-top:2px solid var(--green); }
.commitment-grid article { padding:2rem 2rem 0 0; }
.commitment-grid article+article { padding-left:2rem; border-left:1px solid var(--line); }
.symbol { width:48px; height:48px; display:grid; place-items:center; border-radius:50%; color:#fff; background:var(--green); font-family:Arial,sans-serif; font-size:.8rem; font-weight:800; }
.commitment-grid h3 { margin:2rem 0 .6rem; font-size:1.6rem; }
.commitment-grid p { margin:0; color:var(--muted); }

.contact-section { position:relative; padding-block:clamp(6rem,10vw,8.5rem); color:#fff; background:linear-gradient(120deg,var(--green),var(--deep)); }
.contact-section::before { content:""; position:absolute; inset:0; opacity:.12; background:linear-gradient(135deg,transparent 0 48%,var(--gold) 48% 48.35%,transparent 48.35%); pointer-events:none; }
.contact-inner { position:relative; max-width:var(--max); display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(3rem,7vw,6rem); align-items:center; }
.contact-copy>p:not(.kicker) { max-width:590px; margin:1.5rem 0 2rem; color:#d8e1da; }
.contact-primary { margin:0; }
.contact-grid { display:grid; grid-template-columns:1fr; gap:1px; border:1px solid rgba(255,255,255,.24); background:rgba(255,255,255,.24); box-shadow:var(--shadow); text-align:left; }
.contact-group { padding:1.7rem 1.8rem; display:flex; flex-direction:column; gap:.45rem; background:rgba(11,40,24,.72); }
.contact-group h3 { margin:0 0 .65rem; color:#d8c486; font-family:Arial,sans-serif; font-size:.74rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; }
.contact-group a { width:max-content; max-width:100%; color:#fff; font-size:1.08rem; text-decoration-color:rgba(255,255,255,.42); text-underline-offset:.25rem; overflow-wrap:anywhere; }
.contact-group a:hover { text-decoration-color:var(--gold); }

footer { color:#d9e3dc; background:#081f13; }
.footer-main { padding-block:3.5rem; display:flex; justify-content:space-between; gap:4rem; align-items:flex-start; }
.footer-brand img { width:175px; padding:.45rem; background:#fff; }
.footer-brand p { margin:1rem 0 0; color:#91a296; }
.footer-nav { display:grid; grid-template-columns:repeat(2,auto); gap:.55rem 2.5rem; font-family:Arial,sans-serif; font-size:.74rem; letter-spacing:.07em; text-transform:uppercase; }
.footer-nav a { text-decoration:none; }
.footer-bottom { padding-block:1.15rem; display:flex; justify-content:space-between; border-top:1px solid rgba(255,255,255,.14); color:#788c7f; font-family:Arial,sans-serif; font-size:.7rem; }
.footer-bottom a { text-decoration:none; }

.reveal { opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease),transform .7s var(--ease); }
.reveal.is-visible { opacity:1; transform:none; }

@media (max-width:920px) {
  .about-section { grid-template-columns:1fr; }
  .execution-section { grid-template-columns:1fr; }
  .execution-image img { min-height:520px; }
  .contact-inner { grid-template-columns:1fr; }
}

@media (max-width:860px) {
  .nav-wrap { height:76px; }
  .brand img { width:155px; }
  .menu-button { position:relative; z-index:42; display:block; border:1px solid var(--line); border-radius:4px; background:var(--cream); cursor:pointer; }
  .menu-button:hover { background:#eee8dc; }
  .menu-button span:not(.sr-only) { background:var(--green); }
  .menu-button[aria-expanded="true"] span:nth-of-type(2) { transform:translateY(4px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-of-type(3) { transform:translateY(-4px) rotate(-45deg); }
  .main-nav { position:absolute; top:calc(100% + 10px); right:0; z-index:40; width:min(360px,calc(100vw - 32px)); padding:.65rem; display:flex; flex-direction:column; align-items:stretch; gap:0; color:#fff; background:var(--deep); border:1px solid rgba(255,255,255,.16); box-shadow:0 24px 55px rgba(6,27,15,.35); opacity:0; visibility:hidden; pointer-events:none; transform:translateY(-8px); transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s; }
  .main-nav.is-open { opacity:1; visibility:visible; pointer-events:auto; transform:none; }
  .main-nav a { min-height:52px; padding:.85rem 1rem; display:flex; align-items:center; border-bottom:1px solid rgba(255,255,255,.12); font-size:.82rem; }
  .main-nav a:not(.nav-contact)::after { display:none; }
  .main-nav a:hover { color:var(--gold); background:rgba(255,255,255,.06); }
  .main-nav .nav-contact { margin-top:.65rem; justify-content:center; border:0; color:var(--deep); background:var(--gold); }
  .main-nav .nav-contact:hover { color:var(--deep); background:#f0bd43; }
}

@media (max-width:720px) {
  .shell { width:min(100% - 32px,var(--max)); }
  .hero,.hero-inner { min-height:max(650px,calc(100svh - 76px)); }
  .hero-image { object-position:63% center; }
  .hero-overlay { background:linear-gradient(0deg,rgba(6,27,15,.94),rgba(6,27,15,.52)); }
  .hero-copy { padding-left:1rem; }
  h1 { font-size:clamp(3rem,13vw,4.2rem); }
  .hero-copy>p:not(.kicker) { font-size:1.12rem; }
  .hero-actions { flex-direction:column; align-items:stretch; }
  .scope-grid { grid-template-columns:repeat(2,1fr); }
  .scope-grid span { padding-block:1rem; }
  .scope-grid span+span { border-left:0; }
  .scope-grid span:nth-child(even) { border-left:1px solid rgba(255,255,255,.22); }
  .scope-grid span:nth-child(n+3) { border-top:1px solid rgba(255,255,255,.22); }
  .section-heading { grid-template-columns:1fr; gap:1rem; }
  .service-grid { grid-template-columns:1fr; }
  .service-card { min-height:auto; }
  .service-card h3 { margin:3rem 0 .8rem; }
  .service-card ul { columns:1; }
  .execution-image img { min-height:390px; }
  .execution-copy { padding:4rem 1.2rem; }
  .commitment-grid { grid-template-columns:1fr; }
  .commitment-grid article { padding:2rem 0; border-bottom:1px solid var(--line); }
  .commitment-grid article+article { padding-left:0; border-left:0; }
  .footer-main,.footer-bottom { flex-direction:column; }
  .footer-nav { margin-top:1rem; }
}

@media (max-width:480px) {
  .shell { width:min(100% - 24px,var(--max)); }
  .main-nav { width:calc(100vw - 24px); }
  .hero-copy { padding-left:.85rem; }
  h1 { font-size:clamp(2.8rem,13.5vw,3.7rem); }
  .about-copy h2,.section-heading h2,.execution-copy h2,.commitment-heading h2,.contact-inner h2 { font-size:clamp(2.15rem,10vw,3rem); }
  .service-card { padding:1.6rem; }
  .contact-group { padding:1.45rem 1.25rem; }
  .contact-group a { min-height:44px; display:flex; align-items:center; font-size:1rem; }
  .footer-main { gap:2rem; }
}

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