:root {
  --deep: #0d3542;
  --blue: #275869;
  --water: #7f9fab;
  --mist: #dfe8e7;
  --ivory: #f4f1e7;
  --paper: #fbfaf6;
  --ink: #252a2c;
  --muted: #596569;
  --line: #cad6d6;
  --max: 1320px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.wrap { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 99; background: var(--ivory); color: var(--deep); padding: 12px 16px; }
.skip-link:focus { top: 12px; }

.site-header { height: 86px; position: absolute; inset: 0 0 auto; z-index: 10; color: white; border-bottom: 1px solid #ffffff38; }
.site-header.on-light { position: relative; color: var(--deep); border-color: var(--line); background: var(--paper); }
.site-header .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; text-decoration: none; white-space: nowrap; }
.brand-logo { display: block; width: 168px; height: auto; }
.brand-logo--dark { display: none; }
.site-header.on-light .brand-logo--light { display: none; }
.site-header.on-light .brand-logo--dark { display: block; }
.site-footer .brand-logo--light { display: block; }
.site-footer .brand-logo--dark { display: none; }
.main-nav { display: flex; align-items: center; gap: 34px; font-size: 12px; }
.main-nav a { text-decoration: none; position: relative; }
.main-nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 1px; background: currentColor; transition: right .2s ease; }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { right: 0; }
.nav-cta { border: 1px solid currentColor; padding: 13px 18px; border-radius: 99px; }
.menu-button { display: none; border: 0; background: transparent; color: inherit; width: 46px; height: 46px; align-items: center; justify-content: center; font-size: 24px; cursor: pointer; }
.menu-button[aria-expanded="true"] { color: white; }

.kicker, .eyebrow { color: var(--blue); font-size: 11px; letter-spacing: .17em; text-transform: uppercase; font-weight: 700; }
.eyebrow.light, .kicker.light { color: #a9bec4; }
.display { font: 400 clamp(48px, 6vw, 88px) / .98 Georgia, serif; letter-spacing: -.035em; color: var(--deep); margin: 20px 0; }
.lead { font: 21px / 1.6 Georgia, serif; color: var(--muted); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 51px; padding: 0 22px; border: 1px solid var(--deep); border-radius: 99px; text-decoration: none; text-transform: uppercase; letter-spacing: .1em; font-size: 10px; font-weight: 700; cursor: pointer; transition: background .2s, color .2s, transform .2s; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--deep); color: white; }
.btn.light { background: var(--ivory); color: var(--deep); border-color: var(--ivory); }
.btn.ghost-light { color: white; border-color: #ffffff9a; }
.text-link { text-underline-offset: 7px; }

.home-hero { min-height: 900px; color: white; background: linear-gradient(90deg, #092f3fed 0%, #0b3443b8 38%, #0b34433d 72%), url("images/valle-rio-hero.png") center / cover; }
.home-hero .inner { min-height: 900px; display: flex; flex-direction: column; justify-content: center; padding: 180px 0 75px; }
.home-hero h1 { font: 400 clamp(54px, 7.4vw, 116px) / .91 Georgia, serif; letter-spacing: -.045em; max-width: 910px; margin: 24px 0 32px; }
.home-hero h1 em { font-style: normal; color: #a1bac2; }
.hero-bottom { display: grid; grid-template-columns: 1fr 390px; gap: 70px; align-items: end; }
.hero-bottom p { font: 19px / 1.55 Georgia, serif; margin: 0; color: #ecf0ed; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }

.page-hero { padding: 105px 0 95px; border-bottom: 1px solid var(--line); }
.page-hero.compact { padding-bottom: 70px; }
.page-hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }
.page-hero .lead { max-width: 610px; margin: 0 0 8px; }
.about-hero-grid { grid-template-columns: 1.15fr .85fr; gap: 70px; }
.about-hero-side .lead { margin: 0; }
.page-image-hero { min-height: 670px; color: white; background: linear-gradient(90deg, #0b3443e8, #0b34435d), url("images/infraestructura-hidrica.png") center / cover; }
.page-image-hero .inner { min-height: 670px; display: flex; flex-direction: column; justify-content: flex-end; padding: 190px 0 80px; }
.page-image-hero h1 { font: 400 clamp(54px, 7vw, 104px) / .92 Georgia, serif; letter-spacing: -.04em; max-width: 950px; margin: 24px 0; }
.page-image-hero p { font: 20px / 1.6 Georgia, serif; max-width: 630px; }
.section.soft .kicker { padding-bottom: 24px; }

.statement { display: grid; grid-template-columns: 1.1fr .9fr; gap: 100px; padding: 115px 0; }
.statement h2 { font: 400 clamp(43px, 5.2vw, 76px) / 1.02 Georgia, serif; letter-spacing: -.03em; color: var(--deep); margin: 22px 0; }
.statement .copy { font: 21px / 1.6 Georgia, serif; color: var(--muted); padding-top: 42px; }
.values { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.value { padding: 44px 26px 50px; border-right: 1px solid var(--line); }
.value:last-child { border: 0; }
.value .n { font: 33px Georgia, serif; color: var(--water); }
.value h3 { font: 30px / 1.05 Georgia, serif; color: var(--deep); margin: 45px 0 17px; }
.value p { font-size: 14px; line-height: 1.65; color: var(--muted); }

.profile-block { margin-top: 120px; background: var(--deep); color: white; overflow: hidden; }
.profile-grid { display: grid; grid-template-columns: .9fr 1.1fr; min-height: 720px; align-items: center; }
.portrait { align-self: center; background: transparent; overflow: visible; }
.portrait img { width: 100%; aspect-ratio: 1; object-fit: cover; object-position: center top; filter: grayscale(); }
.profile-copy { padding: 90px 8vw; display: flex; flex-direction: column; justify-content: center; }
.profile-copy h2 { font: 400 clamp(42px, 5vw, 72px) / 1 Georgia, serif; margin: 22px 0 10px; }
.role { color: #a8bdc3; font: italic 18px Georgia, serif; }
.profile-copy p { font: 18px / 1.6 Georgia, serif; color: #eef2ef; max-width: 650px; }

.section { padding: 120px 0; }
.section.soft { background: var(--mist); border-block: 1px solid var(--line); }
.section.dark { background: var(--deep); color: white; }
.section.dark .display { color: white; }
.section.dark .lead { color: #dce6e4; }
.commitment-section .display { max-width: 850px; margin: 20px 0; }
.commitment-section .lead { max-width: 650px; margin: 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 70px; margin-bottom: 55px; }
.section-head .display { margin-bottom: 0; }
.section-head .lead { max-width: 490px; margin: 0; }

.service-list { border-top: 1px solid var(--line); }
.service-row { display: grid; grid-template-columns: 80px 1fr auto; gap: 24px; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.service-row span { font: 21px Georgia, serif; color: var(--water); }
.service-row h3 { font: 28px Georgia, serif; color: var(--deep); margin: 0; }
.service-row i { font-style: normal; font-size: 21px; transition: transform .2s; }
.service-row:hover i { transform: translate(4px, -4px); }

.service-detail-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.service-detail { display: grid; grid-template-columns: 90px .9fr 1.1fr; gap: 40px; padding: 52px 0; border-bottom: 1px solid var(--line); }
.service-detail .number { font: 32px Georgia, serif; color: var(--water); }
.service-detail h2 { font: 34px / 1.08 Georgia, serif; color: var(--deep); margin: 0; }
.service-detail p { margin: 0 0 18px; font: 17px / 1.65 Georgia, serif; color: #4f5c60; }
.sector { font-size: 11px; line-height: 1.55; text-transform: uppercase; letter-spacing: .08em; color: var(--blue); }
.industry-list { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { border: 1px solid #b3c5c6; border-radius: 99px; padding: 13px 18px; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }

.bio-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; align-items: start; }
.bio-aside { position: sticky; top: 40px; }
.bio-text p { font: 22px / 1.65 Georgia, serif; color: #445156; margin: 0 0 30px; }
.institutional-lists { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 90px; }
.plain-list { list-style: none; padding: 0; margin: 28px 0 0; border-top: 1px solid var(--line); }
.plain-list li { padding: 18px 0; border-bottom: 1px solid var(--line); line-height: 1.55; }
.detail-list li { display: grid; gap: 3px; }
.detail-list strong { color: var(--deep); font-weight: 600; }
.detail-list span { color: var(--muted); font-size: 14px; }
.quote-block { background: var(--mist); border-left: 4px solid var(--deep); padding: 70px 7vw; }
.quote-block blockquote { font: italic clamp(28px, 3.5vw, 48px) / 1.25 Georgia, serif; color: var(--deep); max-width: 980px; margin: 0; }
.quote-block cite { display: block; margin-top: 28px; font-style: normal; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }

.contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.contact-data { display: grid; gap: 28px; align-content: start; }
.contact-item { padding-bottom: 27px; border-bottom: 1px solid var(--line); }
.contact-item small { display: block; margin-bottom: 8px; text-transform: uppercase; letter-spacing: .12em; color: var(--blue); }
.contact-item a { font: 23px Georgia, serif; text-decoration: none; color: var(--deep); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.field { display: grid; gap: 9px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12px; font-weight: 700; color: var(--deep); }
.field input, .field textarea { width: 100%; border: 0; border-bottom: 1px solid #9eb1b3; background: transparent; padding: 14px 0; color: var(--ink); outline: none; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--deep); box-shadow: 0 1px 0 var(--deep); }
.form-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 12px; }
.form-status { font-size: 13px; color: var(--blue); }
.form-fallback { font-size: 13px; color: var(--blue); text-underline-offset: 3px; }
.form-fallback[hidden] { display: none; }
.form-note { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }

.cta-section { background: var(--ivory); padding: 115px 0; text-align: center; }
.cta-section h2 { font: 400 clamp(44px, 6vw, 80px) / 1 Georgia, serif; color: var(--deep); max-width: 900px; margin: 20px auto 35px; }
.site-footer { background: #20282b; color: #d6dcdb; padding: 84px 0 28px; border-top: 1px solid #354347; }
.footer-grid { display: grid; grid-template-columns: minmax(320px, 1.15fr) .65fr .9fr; gap: 80px; padding-bottom: 72px; border-bottom: 1px solid #3a484c; }
.footer-brand p { max-width: 520px; margin: 34px 0 0; font: 25px / 1.34 Georgia, serif; color: #eef2ef; }
.footer-nav, .footer-contact { display: grid; align-content: start; gap: 13px; }
.footer-nav span, .footer-contact span { margin-bottom: 14px; color: #8fa9b1; font-size: 10px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.footer-nav a, .footer-contact a { color: #eef2ef; text-decoration: none; width: fit-content; }
.footer-nav a { font: 22px / 1.15 Georgia, serif; }
.footer-contact a { font: 18px / 1.3 Georgia, serif; }
.footer-contact p { margin: 14px 0 0; color: #9fb0b4; line-height: 1.55; }
.footer-social { display: grid; gap: 12px; margin-top: 10px; }
.footer-contact .footer-social a { display: inline-flex; align-items: center; gap: 9px; font: 14px / 1.4 Arial, Helvetica, sans-serif; }
.footer-social img { width: 18px; height: 18px; flex: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 24px; }
.site-footer small { color: #95a3a5; }
.footer-bottom a { color: #eef2ef; text-decoration: none; font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }

@media (max-width: 850px) {
  .wrap { width: min(calc(100% - 30px), var(--max)); }
  .menu-button { display: inline-flex; }
  .main-nav { position: fixed; inset: 0; background: var(--deep); color: white; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 30px; padding: 50px; font: 28px Georgia, serif; transform: translateX(100%); transition: transform .25s ease; }
  .main-nav.open { transform: none; }
  .main-nav .nav-cta { font: 11px Arial, sans-serif; }
  .menu-button { position: relative; z-index: 2; }
  .home-hero, .home-hero .inner { min-height: 760px; }
  .home-hero .inner { padding-top: 150px; }
  .hero-bottom, .page-hero-grid, .statement, .profile-grid, .bio-grid, .contact-layout { grid-template-columns: 1fr; }
  .hero-bottom, .statement { gap: 30px; }
  .statement { padding: 78px 0; }
  .statement .copy { padding: 0; }
  .values { grid-template-columns: 1fr; }
  .value { border-right: 0; border-bottom: 1px solid var(--line); }
  .profile-block { margin-top: 70px; }
  .profile-copy { padding: 60px 28px; }
  .section { padding: 80px 0; }
  .section-head { display: block; }
  .section-head .lead { margin-top: 25px; }
  .service-row { grid-template-columns: 45px 1fr; }
  .service-row i { display: none; }
  .service-detail { grid-template-columns: 55px 1fr; gap: 24px; }
  .service-detail .service-copy { grid-column: 2; }
  .bio-aside { position: static; }
  .institutional-lists { grid-template-columns: 1fr; gap: 45px; }
  .contact-layout { gap: 65px; }
  .footer-grid { grid-template-columns: 1fr; gap: 44px; }
  .footer-brand p { font-size: 22px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 560px) {
  .page-hero { padding: 75px 0 65px; }
  .page-image-hero, .page-image-hero .inner { min-height: 620px; }
  .page-image-hero .inner { padding-top: 150px; }
  .service-detail { grid-template-columns: 1fr; }
  .service-detail .service-copy { grid-column: auto; }
  .contact-form { grid-template-columns: 1fr; }
  .field.full, .form-actions { grid-column: auto; }
  .contact-item a { font-size: 19px; overflow-wrap: anywhere; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}