:root{
  /* colores institucionales */
  --brand-green: #00562e;
  --brand-green-2: #007a44;
  --brand-light: #e9f6ef;
  --accent: #ff8a00;
  --muted: #55656a;
  --bg: #ffffff;
  --max-width:1200px;
  --radius:12px;
  --gap:1rem;

  /* Tipografía escalable */
  --fs-xs: clamp(0.8rem, 1vw, 0.9rem);
  --fs-sm: clamp(0.95rem, 1.2vw, 1rem);
  --fs-md: clamp(1.05rem, 1.6vw, 1.125rem);
  --fs-lg: clamp(1.35rem, 2.6vw, 1.75rem);
  --fs-xl: clamp(1.8rem, 4vw, 2.25rem);

  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  color-scheme: light;
}

/* Reset / base */
.footer { background:#c8102e; color:white; text-align:center; padding:20px; font-weight:bold; margin-top:40px; }

.social-banner {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 14px;
  align-items: center;
}

.social-banner a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;text-decoration:none}

.social-banner a svg{width:30px;height:30px;display:block}

.social-banner a:hover{background:rgba(81, 160, 78)}

.social-footer a:hover{background:rgba(81, 160, 78)}


.social-banner a[aria-label*="Facebook"] svg{filter:brightness(1) invert(0)}
.social-banner a[aria-label*="Instagram"] svg{filter:brightness(1) invert(0)}
.social-banner a[aria-label*="TikTok"] svg{filter:brightness(1) invert(0)}
.social-banner a[aria-label*="X"] svg{filter:brightness(1) invert(0)}
.social-banner a[aria-label*="YouTube"] svg{filter:brightness(1) invert(0)}

.social-banner a {
  color: #00562e;
  text-decoration: none;
}

.social-footer {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 40px 0;
}
.social-footer a svg { width: 40; height: 40; }

@media (max-width: 768px) {
  .social-banner { display: none; }
}

*,*::before,*::after{box-sizing:border-box}
html{font-size:16px}
body{margin:0;background:var(--bg);color:#072018;line-height:1.45;font-size:var(--fs-sm)}
img{max-width:100%;height:auto;display:block}
a{color:inherit}

.container{max-width:var(--max-width);margin:0 auto;padding:0 1rem}

/* Skip link */
.skip-link{position:absolute;left:-9999px;top:auto}
.skip-link:focus{left:1rem;top:1rem;background:#fff;color:var(--brand-green);padding:.5rem .75rem;border-radius:6px;box-shadow:0 6px 18px rgba(0,0,0,0.08)}

/* HEADER */
header{background:linear-gradient(90deg,var(--brand-green),var(--brand-green-2));color:#fff}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0}

.brand{display:flex;align-items:center;gap:.75rem}
.brand img{height:56px;width:auto;border-radius:6px}
.brand h1{margin:0;font-size:var(--fs-md);font-weight:700}
.brand p{margin:0;font-size:var(--fs-xs);opacity:.95}

/* NAV - mobile first */
.nav{position:relative}
.nav-toggle{display:flex;align-items:center;gap:.5rem;background:transparent;border:0;color:#fff;font-weight:700;padding:.45rem .6rem;border-radius:8px}
.nav-toggle:focus{outline:3px solid #ffd89b;outline-offset:3px}
.nav-toggle .hamburger{width:22px;height:2px;background:#fff;position:relative}
.nav-toggle .hamburger::after,.nav-toggle .hamburger::before{content:'';position:absolute;left:0;right:0;height:2px;background:#fff}
.nav-toggle .hamburger::before{top:-6px}
.nav-toggle .hamburger::after{top:6px}

/* Off-canvas menu (mobile) */
.nav-menu{position:fixed;inset:0 0 0 0;background:linear-gradient(180deg, rgba(0,0,0,0.55), rgba(0,0,0,0.65));backdrop-filter:blur(4px);display:none;align-items:flex-start;padding-top:4rem}
.nav-menu .panel{background:#fff;color:#072018;width:90%;max-width:320px;border-radius:12px;margin-left:1rem;padding:1rem}
.nav-menu a{display:block;padding:.6rem .6rem;border-radius:8px;color:var(--brand-green);text-decoration:none}
.nav-menu a:focus, .nav-menu a:hover{background:var(--brand-light)}

/* Desktop nav */
.nav-desktop{display:none}

/* HERO */
.hero{padding:1.25rem 0}
.hero-inner{display:grid;gap:var(--gap)}
.hero h2{font-size:var(--fs-xl);margin:.2rem 0;color:var(--brand-green)}
.hero p{margin:0;color:var(--muted)}
.hero .cta{margin-top:.75rem;display:flex;gap:.5rem;flex-wrap:wrap}
.btn{display:inline-block;padding:.5rem .85rem;border-radius:10px;text-decoration:none;font-weight:700}
.btn-primary{background:var(--accent);color:#fff}
.btn-outline{background:transparent;border:1px solid rgba(7,32,24,0.06);color:var(--brand-green)}

/* CARDS - fluid grid */
.cards{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));align-items:stretch}
.card{background:#fff;border-radius:12px;padding:1rem;border:1px solid #e8f1ec;box-shadow:0 6px 18px rgba(6,30,20,0.04)}
.card h3{margin:.25rem 0 .4rem;color:var(--brand-green)}

/* Services list */
.service-list{display:grid;gap:.5rem;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));list-style:none;padding:0;margin:0}

/* Contact grid */
.contact-grid{display:grid;gap:1rem;grid-template-columns:1fr}
.contact-card{background:var(--brand-light);border-radius:8px;padding:1rem}

/* Footer */
footer{background:#f3f7f5;padding:1rem 0;color:var(--muted);font-size:var(--fs-xs);}

/* Focus visible */
:focus{outline:3px solid #ffd89b;outline-offset:3px}

/* MEDIA QUERIES */
@media(min-width:480px){
  .brand img{height:64px}
  .hero{padding:2rem 0}
}
@media(min-width:768px){
  .nav-menu{display:none!important}
  .nav-desktop{display:block}
  .nav-desktop ul{display:flex;gap:1rem;align-items:center;margin:0;padding:0;list-style:none}
  .nav-desktop a{color:#fff;padding:.45rem .6rem;border-radius:6px;text-decoration:none}
  .topbar{padding:1rem 0}

  .hero-inner{grid-template-columns:1fr 320px;align-items:center}
  .contact-grid{grid-template-columns:1fr 320px}
}
@media(min-width:1024px){
  .cards{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
  .container{padding:0 1.5rem}
}
@media(min-width:1280px){
  .hero h2{font-size:2.4rem}
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{transition:none!important}
}