/* ===== Variables y base ===== */
:root{
  --olive: #3c5b2b;       /* verde olivo principal */
  --olive-2: #90a17b;     /* tonos suaves (borde/sutil) */
  --text: #1f2917;        /* texto primario */
  --muted: #5b6650;       /* texto secundario */
  --bg: #ffffff;          /* fondo blanco */
  --radius: 14px;
  --maxw: 1080px;
  --gap: 20px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

img{max-width:100%;display:block}

/* ===== Utilidades ===== */
.container{max-width:var(--maxw);margin-inline:auto;padding:0 20px}
.muted{color:var(--muted)}
.small{font-size:.9rem}

.topbar{
  background: #dfe9d7;
  color: var(--olive);
  text-align:center;
  padding:6px 10px;
  font-size:.9rem;
  border-bottom:1px solid var(--olive-2);
}

/* ===== Header / Nav ===== */
.site-header{
  position: sticky; top: 0; z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--olive-2);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:64px;
}
.brand{font-weight:700; color: var(--olive); text-decoration:none}
.nav a{
  color: var(--olive);
  text-decoration:none; margin-left: 14px; padding: 8px 10px; border-radius:10px;
}
.nav a:hover{background:#eef4ea}

/* ===== Hero ===== */
.hero{padding:56px 0}
.hero-grid{
  display:grid; grid-template-columns: 1.1fr .9fr; gap: var(--gap); align-items:center;
}
.hero h1{
  font-size: clamp(28px, 5vw, 54px);
  line-height: 1.1;
  margin: 0 0 10px;
  color: var(--olive);
}
.lead{font-size:1.05rem; color: var(--muted)}
.btn{
  display:inline-block; margin-top:14px; background: var(--olive); color: #fff;
  padding: 12px 18px; border-radius: 999px; text-decoration:none; border: none; cursor:pointer;
}
.btn:hover{opacity:.95}
.hero-media img{border:1px solid var(--olive-2); border-radius: var(--radius)}

/* ===== Secciones ===== */
.section{padding:42px 0}
.two-col{display:grid; grid-template-columns: 1fr 1fr; gap: var(--gap)}
.img-card img{border:1px solid var(--olive-2); border-radius: var(--radius)}

.bullets{padding-left: 18px}
.bullets li{margin-bottom:6px}

.divider{
  border:0; height:1px; background: var(--olive-2); margin: 0;
}

/* ===== Formulario ===== */
.form{display:grid; grid-template-columns: 1fr 1fr; gap: 12px}
.form label{display:flex; flex-direction:column; gap:6px; color: var(--olive)}
.form input, .form textarea{
  padding: 12px 14px; border:1px solid var(--olive-2); border-radius:10px;
  outline-color: var(--olive);
}
.form .full{grid-column: 1 / -1}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--olive-2); padding: 22px 0; margin-top: 24px}
.footer-grid{display:flex; align-items:center; justify-content:space-between; gap: 12px}
.footer-links a{color: var(--olive); text-decoration:none}
.footer-links a:hover{text-decoration:underline}

/* ===== Responsive ===== */
@media (max-width: 900px){
  .hero-grid, .two-col, .form{grid-template-columns: 1fr}
  .site-header .container{height:auto; padding: 12px 20px; gap: 10px; flex-wrap:wrap}
  .nav a{margin-left:0}
}