/* --- Brand tokens ------------------------------------------------------- */
:root{
  --brand-700:#17694d; /* verde oscuro */
  --brand-600:#45a049; /* verde medio */
  --brand-500:#4baf4f; /* verde brillante */
  --ink-900:#0f172a;
  --ink-700:#334155;
  --ink-500:#64748b;
  --paper-0:#ffffff;
  --paper-50:#f8fafc;
  --paper-100:#f1f5f9;
  --ring: 0 0 0 3px rgba(69,160,73,.25);
  --radius:14px;
  --shadow-sm:0 2px 10px rgba(0,0,0,.06);
  --shadow-md:0 6px 28px rgba(0,0,0,.08);
  --maxw:1180px;
}

/* --- Resets ------------------------------------------------------------- */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  color:var(--ink-900);
  background:var(--paper-0);
}
img{max-width:100%;height:auto;vertical-align:middle}
a{color:var(--brand-700);text-decoration:none}
a:hover{text-decoration:underline}

/* --- Layout ------------------------------------------------------------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section-alt{padding:72px 0;background:var(--paper-50)}
.section-tight{padding:48px 0}
.flex{display:flex;gap:48px;align-items:center;flex-wrap:wrap}
.center{text-align:center}
.muted{color:var(--ink-500)}

/* --- Buttons ------------------------------------------------------------ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 18px;border-radius:var(--radius);
  font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:.2s ease-in-out;box-shadow:var(--shadow-sm)
}
.btn:focus{outline:none;box-shadow:var(--shadow-sm),var(--ring)}
.btn-primary{
  background:linear-gradient(180deg,var(--brand-500),var(--brand-600));
  color:#fff;
}
.btn-primary:hover{filter:brightness(.97)}
.btn-secondary{
  background:#fff;border-color:var(--brand-600);color:var(--brand-700)
}
.btn-secondary:hover{background:var(--paper-100)}

/* --- Hero --------------------------------------------------------------- */
.hero{
  background:
    radial-gradient(1000px 400px at 10% 0%, rgba(75,175,79,.15), transparent 60%),
    radial-gradient(900px 380px at 90% 10%, rgba(23,105,77,.16), transparent 55%),
    linear-gradient(180deg,#fff, #f7fbf8 60%, #fff 100%);
}
.hero .hero-text h1{
  font-size:clamp(32px,4.2vw,48px);
  line-height:1.12;margin:0 0 12px;
}
.lead{font-size:clamp(16px,2.1vw,18px);color:var(--ink-700);margin:0 0 22px}

/* --- Grids & Cards ------------------------------------------------------ */
.grid-3, .grid-4{
  display:grid;gap:20px;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
}
.card{
  background:#fff;border:1px solid #e5e7eb;border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-sm);transition:.2s transform ease, .2s box-shadow ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--ink-700)}
.card .small{font-size:13px;color:var(--ink-500)}

/* --- Lists -------------------------------------------------------------- */
.list-check{padding-left:0;margin:12px 0 0}
.list-check li{list-style:none;position:relative;padding-left:26px;margin:10px 0}
.list-check li::before{
  content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;
  background:conic-gradient(from 0deg, var(--brand-500), var(--brand-600));
  box-shadow:0 0 0 2px #fff inset;
}
.badge{
  display:inline-block;padding:6px 10px;border-radius:999px;
  background:rgba(23,105,77,.08);color:var(--brand-700);font-weight:600;font-size:12px
}

/* --- Navbar & Footer ---------------------------------------------------- */
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand .dot{width:12px;height:12px;border-radius:3px;background:linear-gradient(180deg,var(--brand-500),var(--brand-700))}


.footer{border-top:1px solid #eef2f7;background:#fff}
.footer .cols{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.footer a{color:var(--ink-700)}
.footer small{color:var(--ink-500)}

/* --- Utilities ---------------------------------------------------------- */
.kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--brand-700);font-weight:800;font-size:12px}
.shadow-none{box-shadow:none}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}.mb-1{margin-bottom:6px}.mb-2{margin-bottom:12px}.mb-3{margin-bottom:18px}.mb-4{margin-bottom:24px}
.row-actions{display:flex;gap:12px;flex-wrap:wrap}

.lang-select{display:flex;align-items:center}
.lang-select select{
  appearance:none;
  border:1px solid #e5e7eb;background:#fff;border-radius:12px;
  padding:8px 12px;font-weight:600;color:var(--ink-700)
}
@media (max-width:720px){ .navbar .nav{gap:12px} }