/* Reset */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,sans-serif;background:#f2f2f2;color:#333}
a{text-decoration:none;color:inherit}
ul{list-style:none}

/* Wrapper */
.wrapper{max-width:960px;margin:0 auto 40px;background:#fff;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.1);overflow:hidden;padding-bottom:40px}

/* Nav */
nav{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:20px 40px}
nav .logo img{width:100px;height:auto}
nav ul{display:flex;gap:30px}
nav a{font-weight:bold;font-size:.95rem;color:#333}
nav a:hover{color:#2c3e50}

/* Header */
header{padding:60px 40px 40px}
.header-content{display:flex;flex-direction:column;align-items:center;text-align:center;gap:20px}
@media(min-width:768px){.header-content{flex-direction:row;text-align:left}}
.profile-img{width:400px;height:400px;border-radius:50%;object-fit:cover}
.intro h1{font-size:2.5rem;margin-bottom:10px;color:#2c3e50}
.subtitle{font-size:1.2rem;font-style:italic;color:#555;margin-bottom:10px}
.tagline{font-size:1rem;color:#666;margin-bottom:20px}
.btn{padding:12px 24px;border-radius:6px;font-size:1rem;font-weight:bold}
.btn.whatsapp{background:#1b9e48;color:#fff}

/* Divider */
.section-divider{border:none;border-top:1px solid #e0e0e0;margin:20px 40px}

/* Breadcrumb */
.breadcrumb{font-size:.9rem;color:#555;padding:10px 40px 0}
.breadcrumb ol{display:flex;gap:.5rem;flex-wrap:wrap;list-style:none}
.breadcrumb li+li::before{content:" / ";color:#999}

/* Section */
.sarcoma-section{display:flex;flex-direction:column;padding:40px;gap:40px}
.sarcoma-section .col{flex:1;padding:0 20px}
.sarcoma-section h2{font-size:1.6rem;margin-bottom:14px;color:#2c3e50}
#sarcomas p{margin-bottom:1.5em;line-height:1.6}

/* Cards (amarillo ocre claro) */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:20px 0}
.card{
  background:#FFF7E6;         /* ocre claro */
  border:1px solid #FFE1AD;   /* borde suave */
  border-radius:8px;padding:16px;
  box-shadow:0 2px 8px rgba(0,0,0,.06);
  transition:transform .2s ease,box-shadow .2s ease
}
.card:hover{transform:translateY(-4px);box-shadow:0 4px 12px rgba(0,0,0,.15)}
.card h3{margin-bottom:8px;font-size:1.1rem;color:#855E1B}
.card p{color:#4a3b20;line-height:1.5}
.card-link{display:inline-block;margin-top:10px;font-weight:bold;color:#8B6B2E;transition:color .2s}
.card-link:hover{color:#5f4516;text-decoration:underline}

/* FAQ */
.faq{padding:0 40px}
.faq h2{margin-bottom:12px;color:#2c3e50}
.faq details{border:1px solid #ddd;border-radius:6px;padding:12px 16px;margin-bottom:12px;background:#fafafa}
.faq summary{cursor:pointer;font-weight:bold;color:#333}
.faq p{margin-top:8px;line-height:1.5}

/* Topics */
.topics-nav{display:flex;flex-wrap:wrap;gap:10px;padding:20px 40px;justify-content:center}
.topics-nav a{background:#2c3e50;color:#fff;padding:10px 18px;border-radius:6px;font-weight:bold;font-size:.95rem;transition:background .3s}
.topics-nav a:hover{background:#1a252f}

/* Contacto */
.contact-section{display:flex;flex-direction:column;padding:40px;gap:40px}
.contact-info,.contact-form{flex:1;padding:0 20px}
@media(min-width:768px){.contact-section{flex-direction:row}}
.contact-list li{margin-bottom:15px;font-size:1rem}
.interest-box{background:#f9f9f9;border:1px solid #e0e0e0;border-radius:6px;padding:20px;margin-bottom:20px}
.interest-box h3{font-size:1.2rem;margin-bottom:10px;color:#2c3e50}
.interest-box ul{list-style:disc;margin-left:20px}
.interest-box li{margin-bottom:8px}
.interest-box a:hover{color:#2c3e50}

/* Footer */
footer{background:#fafafa;text-align:center;padding:20px;font-size:.9rem;color:#777}

/* WhatsApp */
.whatsapp-float{
  position:fixed;bottom:20px;right:20px;background:#25d366;
  width:60px;height:60px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(0,0,0,.3);z-index:1000
}
.whatsapp-float img{display:block}