/* =====================================
   VARIABLES
===================================== */

:root{
  --green:#7BAE9A;
  --green-dark:#5f9e88;
  --dark:#1f2937;
  --soft:#F4F1ED;
  --pink:#E8B8C6;
}

/* =====================================
   RESET
===================================== */

*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}

body{
  font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;
  color:var(--dark);
  background:white;
  line-height:1.7;
  font-size:1.5rem; /* +50% global */
}

/* =====================================
   CONTAINER
===================================== */

.container{
  width:90%;
  max-width:1200px;
  margin:auto;
}

/* =====================================
   NAVBAR ESTABLE
===================================== */

.main-nav{
  position:fixed;
  width:100%;
  top:0;
  left:0;
  background:white;
  z-index:1000;
  border-bottom:1px solid #eee;
}

.nav-container{
  max-width:1200px;
  margin:auto;
  padding:18px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

/* LOGO AJUSTADO */

.logo-img{
  height:48px; /* reducido */
  width:auto;
  object-fit:contain;
}

/* LINKS */

.nav-right{
  display:flex;
  align-items:center;
  gap:28px;
}

.nav-right a{
  text-decoration:none;
  font-size:1rem; /* hereda 1.5rem base */
  font-weight:500;
  color:var(--dark);
  transition:.3s;
}

.nav-right a:hover{
  color:var(--green);
}

/* CTA */

.cta-nav{
  background:var(--green);
  color:white!important;
  padding:10px 20px;
  border-radius:24px;
}

.cta-nav:hover{
  background:var(--green-dark);
}

/* MOBILE */

.mobile-toggle{
  display:none;
}

@media(max-width:900px){

  .nav-right{
    position:absolute;
    top:100%;
    right:0;
    background:white;
    flex-direction:column;
    width:100%;
    padding:25px;
    display:none;
    gap:18px;
  }

  .nav-right.open{
    display:flex;
  }

  .mobile-toggle{
    display:flex;
    flex-direction:column;
    gap:4px;
    cursor:pointer;
  }

  .mobile-toggle span{
    width:22px;
    height:2px;
    background:#333;
  }

  .logo-img{
    height:42px;
  }
}

/* =====================================
   HERO
===================================== */

.hero{
  position:relative;
  min-height:85vh;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:160px 20px 120px;
}

.hero-content{
  max-width:850px;
}

.hero h1,
.hero h2{
  font-size:2.8rem;
  margin-bottom:25px;
}

.hero p{
  font-size:1.4rem;
  max-width:650px;
  margin:auto;
}

.btn-primary{
  display:inline-block;
  margin-top:30px;
  padding:16px 32px;
  background:var(--green);
  color:white;
  text-decoration:none;
  border-radius:10px;
  font-size:1.1rem;
  transition:.3s;
}

.btn-primary:hover{
  background:var(--green-dark);
}

/* =====================================
   SECTIONS
===================================== */

.section{
  padding:140px 0;
}

.section-alt{
  background:var(--soft);
}

.section h2{
  font-size:2.2rem;
  margin-bottom:20px;
}

.section p{
  font-size:1.3rem;
}

.split-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:70px;
  align-items:center;
}

.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:50px;
}

.card img{
  width:100%;
  border-radius:16px;
  margin-bottom:20px;
}

/* =====================================
   FOOTER
===================================== */

.site-footer{
  background:#fafafa;
  padding:80px 20px;
  border-top:1px solid #e5e7eb;
}

.footer-columns{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:50px;
  max-width:1200px;
  margin:auto;
}

.footer-col h4{
  font-size:1.3rem;
  margin-bottom:15px;
}

.footer-col p,
.footer-col li,
.footer-col a{
  font-size:1.1rem;
  color:#4b5563;
  text-decoration:none;
}

.footer-col ul{
  list-style:none;
}

.footer-bottom{
  margin-top:60px;
  text-align:center;
  font-size:1rem;
  color:#9ca3af;
}

/* =====================================
   RESPONSIVE SECTIONS
===================================== */

@media(max-width:900px){

  .split-grid{
    grid-template-columns:1fr;
  }

  .grid-3{
    grid-template-columns:1fr;
  }

  .footer-columns{
    grid-template-columns:1fr;
  }

  .hero h1,
  .hero h2{
    font-size:2rem;
  }

}