:root{--navy:#143d68;--blue:#0b6fb5;--teal:#00a6a6;--green:#00a06a;--gold:#f4c531;--ink:#223246;--muted:#63758b;--soft:#edf5f8;--line:#dce7ee;--white:#fff;--shadow:0 18px 44px rgba(20,61,104,.12);--radius:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);line-height:1.6;background:#fff}img{display:block;max-width:100%}a{text-decoration:none;color:inherit}button,input,textarea{font:inherit}
.container{width:min(1180px,calc(100% - 34px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.skip-link{position:fixed;left:16px;top:-60px;background:#fff;padding:10px 14px;border-radius:10px;z-index:999}.skip-link:focus{top:16px}
.topbar{background:linear-gradient(90deg,var(--green),var(--teal));color:#fff;padding:10px 14px;text-align:center;font-size:.92rem;font-weight:800}
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(20,61,104,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:86px}.brand-main{display:flex;align-items:center;gap:16px;min-width:0}.brand-main img{width:200px;flex:0 0 auto}.brand-main strong{display:block;color:var(--navy);font-size:1.05rem}.brand-main span{display:block;color:var(--muted);font-size:.88rem}.nav{display:flex;align-items:center;gap:22px;font-weight:700}.btn-small{padding:12px 16px;border-radius:999px;background:var(--navy);color:#fff}
.menu-toggle{display:none;background:transparent;border:0;padding:6px}.menu-toggle span:not(.sr-only){display:block;width:26px;height:2px;background:var(--navy);margin:5px 0}
.hero{position:relative;color:#fff;overflow:hidden}.hero-bg{position:absolute;inset:0;background:url('assets/hero-oasis.jpg') center/cover no-repeat;transform:scale(1.03)}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,27,53,.93) 0%,rgba(7,27,53,.76) 47%,rgba(7,27,53,.35) 75%,rgba(7,27,53,.14) 100%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:38px;align-items:center;min-height:760px;padding:70px 0}.hero-badge{display:inline-flex;padding:9px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);font-size:.83rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.hero h1{font-size:clamp(2.8rem,5.8vw,5.8rem);line-height:.94;letter-spacing:-.05em;margin:18px 0 18px;max-width:760px}.hero h1 span{display:block;color:#aef3d7}.lead{font-size:1.28rem;color:#edf7ff;max-width:740px}.sublead{font-size:1.02rem;color:#dce9f6;max-width:740px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border-radius:999px;border:0;background:linear-gradient(135deg,var(--teal),var(--green));color:#fff;font-weight:800;box-shadow:0 12px 28px rgba(0,166,166,.28);cursor:pointer}.btn-secondary{background:transparent;border:1px solid rgba(255,255,255,.45);box-shadow:none}.hero-points{display:grid;gap:10px;padding-left:18px;color:#f4f9ff}.hero-points strong{color:#aef3d7}.hero-card{background:rgba(255,255,255,.98);color:var(--ink);padding:24px;border-radius:28px;box-shadow:var(--shadow)}.hero-card img{width:100%;max-width:430px}.hero-card h2{font-size:1.4rem;line-height:1.18;color:var(--navy);margin:18px 0 10px}.hero-card p{margin:0;color:var(--muted)}
.section{padding:96px 0}.kicker{display:inline-block;font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:var(--teal)}.kicker-light{color:#aef3d7}.section h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.06;letter-spacing:-.04em;color:var(--navy);margin:14px 0 20px}.section p{color:var(--muted);font-size:1.02rem}
.emphasis{background:var(--soft)}.company-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start}.company-box{background:#fff;border-radius:26px;padding:30px;box-shadow:var(--shadow)}.company-logo{width:260px;margin-bottom:14px}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.stats-grid article{background:#fff;padding:24px;border-radius:22px;box-shadow:var(--shadow)}.stats-grid strong{display:block;font-size:1.55rem;color:var(--navy);margin-bottom:8px}.stats-grid span{color:var(--muted)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:start}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.cards article{padding:22px;background:var(--soft);border-radius:22px}.cards h3{margin:0 0 8px;color:var(--navy)}.cards p{margin:0;font-size:.96rem}
.dark-section{background:linear-gradient(135deg,#08385b,#0f5d74);color:#fff}.dark-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.dark-section h2{color:#fff}.dark-section p{color:#d8ebf5}.checklist{display:grid;gap:12px;padding-left:18px}.quote-card{padding:34px;background:rgba(255,255,255,.1);border-radius:26px;border:1px solid rgba(255,255,255,.16)}.quote-card p{font-size:1.55rem;line-height:1.25;color:#fff}.quote-card span{display:block;color:#aef3d7;font-weight:700}
.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.project-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.project-image{display:block;width:100%;background:#ddd;border:0;padding:0;cursor:zoom-in}.project-image img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:.35s}.project-image:hover img{transform:scale(1.03)}.project-card div{padding:22px}.project-card h3{margin:0 0 8px;color:var(--navy)}.project-card p{margin:0}
.muted{background:var(--soft)}.municipal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.municipal-grid article{background:#fff;border-radius:22px;padding:24px;box-shadow:var(--shadow)}.municipal-grid strong{display:block;font-size:2rem;color:#c2d6e1}.municipal-grid h3{margin:8px 0;color:var(--navy)}
.callout{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff}.callout-inner{display:flex;align-items:center;justify-content:space-between;gap:26px}.callout h2{color:#fff;max-width:760px}.callout p{color:#dbe8f3;max-width:760px}
.contact-section{background:#0a2746;color:#fff}.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:34px;align-items:start}.contact-section h2{color:#fff}.contact-section p{color:#d7e5f0}.contact-box{display:flex;flex-direction:column;gap:8px;margin-top:24px;padding:18px 20px;background:rgba(255,255,255,.08);border-radius:20px;border:1px solid rgba(255,255,255,.12)}.contact-box a{color:#aef3d7;font-weight:800}.contact-form{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;background:#fff;padding:26px;border-radius:24px;box-shadow:var(--shadow)}.contact-form label{display:flex;flex-direction:column;gap:7px;color:var(--navy);font-weight:700;font-size:.9rem}.contact-form input,.contact-form textarea{border:1px solid #cfdbe4;border-radius:12px;padding:12px 14px}.full{grid-column:1/-1}.status{margin:0;color:#bf3f3f !important;font-size:.9rem}
.footer{background:#061a2e;color:#cedae4;padding:48px 0}.footer-inner{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.footer-brand img{width:260px;margin-bottom:12px}.footer-brand p{margin:0}.footer-rco img{width:100%;max-width:360px;margin-left:auto;filter:drop-shadow(0 10px 20px rgba(0,0,0,.15))}
.lightbox{border:0;padding:0;background:#000;border-radius:18px;max-width:min(92vw,1400px)}.lightbox::backdrop{background:rgba(0,0,0,.82)}.lightbox img{max-width:92vw;max-height:85vh}.lightbox button{position:absolute;right:8px;top:8px;width:40px;height:40px;border-radius:50%;border:0;background:rgba(0,0,0,.65);color:#fff;font-size:1.7rem;cursor:pointer}
@media (max-width: 980px){.menu-toggle{display:block}.nav{display:none;position:fixed;left:18px;right:18px;top:100px;background:#fff;padding:20px;border-radius:22px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.hero-grid,.company-grid,.two-col,.dark-grid,.contact-grid,.footer-inner{grid-template-columns:1fr}.municipal-grid,.cards,.stats-grid,.project-grid{grid-template-columns:1fr 1fr}.hero-card{max-width:620px}.header-inner{min-height:78px}.brand-main img{width:170px}}
@media (max-width: 640px){.topbar{font-size:.8rem;padding:9px 10px}.container{width:min(100% - 24px,1180px)}.brand-main{gap:10px}.brand-main img{width:126px}.brand-main strong{font-size:.92rem}.brand-main span{font-size:.76rem}.hero-grid{min-height:auto;padding:54px 0 60px}.hero h1{font-size:2.4rem}.lead{font-size:1.06rem}.sublead{font-size:.96rem}.hero-card img{max-width:100%}.section{padding:72px 0}.stats-grid,.cards,.municipal-grid,.project-grid,.contact-form{grid-template-columns:1fr}.callout-inner{flex-direction:column;align-items:flex-start}.footer-rco img,.footer-brand img{width:100%;max-width:280px}.project-card div,.stats-grid article,.municipal-grid article,.cards article,.company-box{padding:20px}}

/* Bilingual selector and updated RCO logo */
.language-switcher{display:flex;align-items:center;gap:4px;padding:4px;background:#eef4f7;border:1px solid #d9e4ea;border-radius:999px;flex:0 0 auto}
.lang-btn{min-width:38px;height:34px;padding:0 9px;border:0;border-radius:999px;background:transparent;color:var(--navy);font:800 .78rem/1 Inter,Arial,sans-serif;cursor:pointer;transition:.2s ease}
.lang-btn:hover{background:#dcebf0}.lang-btn.active{background:var(--navy);color:#fff;box-shadow:0 4px 12px rgba(8,45,79,.2)}
.hero-card img{display:block;max-height:340px;object-fit:contain;margin-inline:auto}
.footer-rco img{display:block;max-height:230px;object-fit:contain}
@media (max-width:1100px){.header-inner{flex-wrap:wrap;padding-block:10px}.nav{order:3;width:100%;justify-content:center}.language-switcher{margin-left:auto}}
@media (max-width:980px){.header-inner{flex-wrap:nowrap}.nav{order:initial;width:auto}.language-switcher{margin-left:auto;margin-right:4px}.nav.open{padding-top:64px}.nav.open::before{content:'ES / EN';position:absolute;top:19px;left:22px;color:var(--muted);font-size:.78rem;font-weight:800}}
@media (max-width:640px){.brand-main div{display:none}.brand-main img{width:140px}.language-switcher{gap:2px;padding:3px}.lang-btn{min-width:34px;height:32px}.header-inner{gap:8px}.hero-card img{max-height:260px}}