:root{
  --blue-900:#0b2b4f;
  --blue-800:#114b84;
  --blue-700:#1469b8;
  --blue-600:#1c77c3;
  --blue-100:#eef6fc;
  --blue-50:#f7fbfe;
  --text:#15324d;
  --muted:#5c7389;
  --line:#d9e6f2;
  --white:#ffffff;
  --shadow:0 18px 45px rgba(11,43,79,.10);
  --radius:24px;
  --radius-sm:18px;
  --container:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#f7fbfe 0%,#ffffff 14%,#ffffff 100%);line-height:1.6}
a{color:var(--blue-800);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{width:min(var(--container),calc(100% - 32px));margin-inline:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:12px 14px;border-radius:10px;z-index:1000}
.announcement{background:var(--blue-900);color:#eaf5ff;font-size:14px}
.announcement .container{display:flex;justify-content:space-between;gap:16px;padding:10px 0;flex-wrap:wrap}
.site-header{position:relative;z-index:90;background:rgba(255,255,255,.93);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid rgba(217,230,242,.75)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 0}
.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{width:360px;max-width:38vw;height:auto;flex:0 0 auto}
.main-nav{display:flex;align-items:center;gap:13px;flex-wrap:nowrap;justify-content:flex-end;white-space:nowrap}
.main-nav a{color:var(--text);font-weight:600;font-size:14px;white-space:nowrap}
.main-nav a[aria-current="page"]{color:var(--blue-700)}
.main-nav .nav-cta,.btn-primary{
  background:linear-gradient(135deg,#004C99 0%,#006FD6 55%,#0A84E8 100%);
  color:#fff;
  border:1px solid #005FBB;
  box-shadow:0 12px 28px rgba(0,86,179,.36);
}
.main-nav .nav-cta:hover,.btn-primary:hover{
  background:linear-gradient(135deg,#003D7D 0%,#005EB8 55%,#0878D5 100%);
  color:#fff;
  box-shadow:0 16px 34px rgba(0,86,179,.45);
  text-decoration:none;
}
.main-nav .nav-cta{padding:9px 13px;border-radius:999px}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--blue-900);border-radius:12px;padding:10px}
.menu-btn svg{width:22px;height:22px}
.hero{padding:34px 0 24px;background:radial-gradient(circle at 0% 0%, rgba(28,119,195,.16), transparent 26%), radial-gradient(circle at 100% 0%, rgba(20,105,184,.10), transparent 28%), linear-gradient(180deg,#f7fbfe 0%,#ffffff 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.hero-grid-single{grid-template-columns:1fr;max-width:920px;margin-inline:auto;text-align:center}.hero-grid-single .hero-actions,.hero-grid-single .trust-row{justify-content:center}
.eyebrow,.kicker{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-700);margin-bottom:12px}
.hero h1{font-size:clamp(2rem,4vw,3.7rem);line-height:1.05;margin:0 0 14px;color:var(--blue-900)}
.lead{font-size:clamp(1rem,2.2vw,1.18rem);color:var(--muted);margin:0 0 20px}
.hero-actions,.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 20px;border-radius:999px;font-weight:800;font-size:15px;text-decoration:none;border:1px solid transparent;transition:transform .2s ease, box-shadow .2s ease, background .2s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-secondary{
  background:#f6fbff;
  color:#0056A8;
  border-color:#bcd7ee;
  box-shadow:0 8px 22px rgba(0,86,168,.12);
}
.btn-secondary:hover{
  background:#eaf5ff;
  color:#004B93;
  border-color:#8bbce3;
  text-decoration:none;
}
.trust-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px;color:var(--muted);font-size:14px}
.trust-row span{display:inline-flex;align-items:center;gap:9px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--blue-700);display:inline-block}
.hero-art{position:relative;max-width:590px;width:100%;justify-self:end}
.hero-art::before{content:"";position:absolute;inset:auto -18px -18px auto;width:150px;height:150px;background:radial-gradient(circle,#dceeff 0%, rgba(220,238,255,0) 72%);z-index:0}
.medical-figure,.feature-panel,.contact-card,.card,.cta-panel,.faq details,.source-box,.alert-box,.doctor-photo,.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.medical-figure{margin:0;overflow:hidden;position:relative}
.medical-figure img{width:100%;height:auto;aspect-ratio:auto;object-fit:contain;background:#fff}
.medical-figure figcaption{padding:13px 16px;font-size:13px;color:var(--muted);background:#fbfdff;border-top:1px solid var(--line)}
.section{padding:48px 0}
.section-sm{padding:28px 0}
.section-tint{background:linear-gradient(180deg,var(--blue-50) 0%, rgba(247,251,254,.45) 100%);border-top:1px solid rgba(217,230,242,.6);border-bottom:1px solid rgba(217,230,242,.6)}
.section-intro{text-align:center;max-width:860px;margin:0 auto 26px}
.section h2{font-size:clamp(1.6rem,2.5vw,2.45rem);line-height:1.15;margin:0 0 12px;color:var(--blue-900)}
.section h3,.contact-card h2,.footer-grid h3{margin:0 0 12px;color:var(--blue-900)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.card{padding:22px}
.card p{margin:0;color:var(--muted)}
.icon-chip{width:44px;height:44px;border-radius:14px;background:var(--blue-100);color:var(--blue-800);display:grid;place-items:center;font-weight:800;margin-bottom:14px}
.content-pair,.doctor,.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.check-list, .contact-list, .footer-grid ul{padding-left:0;list-style:none;margin:16px 0 0}
.check-list li,.contact-list li{padding-left:28px;position:relative;margin-bottom:10px}
.check-list li::before,.contact-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--blue-700);font-weight:900}
.cta-panel{padding:28px;display:flex;justify-content:space-between;align-items:center;gap:20px;background:linear-gradient(135deg,#fff 0%,#f7fbfe 100%)}
.cta-panel h2{margin-bottom:8px}
.faq{display:grid;gap:12px}
.faq details{padding:0 20px}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:800;color:var(--blue-900)}
.faq summary::-webkit-details-marker{display:none}
.faq details p{padding:0 0 18px;margin:0;color:var(--muted)}
.doctor-photo{overflow:hidden}
.doctor-photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5}
.credentials{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.pill{padding:8px 12px;background:var(--blue-100);color:var(--blue-800);border-radius:999px;font-size:14px;font-weight:700;border:1px solid rgba(17,75,132,.08)}
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.related a{display:block;padding:20px;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);font-weight:700;color:var(--blue-900)}
.source-box,.alert-box{padding:18px 20px;margin-top:16px;color:var(--muted)}
.alert-box strong{color:#9d4a06}
.edu-note{margin:22px auto 10px;padding:16px 20px;border-radius:16px;background:#fff7ed;border:1px solid #fed7aa;color:#9a5a14}
.compare{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.compare th,.compare td{padding:15px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare tr:last-child td{border-bottom:none}
.compare thead th{background:var(--blue-900);color:#fff;font-weight:800}
.table-wrap{overflow:auto}
.footer-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:26px;padding:28px 0}
.site-footer{margin-top:24px;background:#0a2340;color:#d8e5f2}
.site-footer a{color:#fff}
.footer-brand img{max-width:340px;background:#fff;padding:8px;border-radius:14px}
.footer-brand p{max-width:480px}
.footer-bottom{padding:16px 0 28px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:14px;color:#c5d8e8}
.breadcrumbs{background:#fbfdff;border-bottom:1px solid var(--line)}
.breadcrumbs ol{display:flex;gap:10px;padding:12px 0;margin:0;list-style:none;color:var(--muted);font-size:14px;flex-wrap:wrap}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:10px;color:#95afc6}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}
.feature-panel{overflow:hidden}
.feature-panel img{width:100%;height:auto;aspect-ratio:auto;object-fit:contain;background:#fff}
.feature-panel .copy{padding:16px 18px}
.feature-panel h3{font-size:1.06rem;margin:0 0 8px}
.feature-panel p{margin:0;color:var(--muted);font-size:15px}
.hero-highlight{margin-top:28px}
.hero-highlight .content-pair{align-items:start}
.contact-card{padding:24px}
.field{display:grid;gap:8px;margin-bottom:14px}
label{font-weight:700;color:var(--blue-900)}
input,select,textarea{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:14px;font:inherit;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(20,105,184,.15);border-color:var(--blue-700)}
.form-note{font-size:14px;color:var(--muted);margin-bottom:0}
.wa-float,.mobile-cta{position:fixed;z-index:95;box-shadow:0 14px 32px rgba(0,0,0,.18)}
.wa-float{right:18px;bottom:18px;width:62px;height:62px;border-radius:50%;background:#18c05a;display:grid;place-items:center;color:#fff}
.wa-float svg{width:31px;height:31px;fill:currentColor}
.mobile-cta{display:none;left:12px;right:12px;bottom:12px;background:linear-gradient(135deg,var(--blue-800),var(--blue-700));color:#fff;border-radius:999px;padding:15px 18px;text-align:center;font-weight:800}
.hero-split{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}
.hero-split .doctor-photo{box-shadow:var(--shadow)}
.hero-split .doctor-photo img{aspect-ratio:4/4.5}

@media (max-width: 1180px) and (min-width: 981px){
  .brand img{width:280px;max-width:74vw}
  .main-nav{gap:10px}
  .main-nav a{font-size:13px}
  .main-nav .nav-cta{padding:8px 10px}
}
@media (max-width: 980px){
  .hero-grid,.content-pair,.doctor,.contact-grid,.hero-split{grid-template-columns:1fr}
  .hero-grid-single{grid-template-columns:1fr}
  .grid-3,.related,.feature-grid,.footer-grid{grid-template-columns:1fr 1fr}
  .site-header{position:relative}
  .nav-wrap{position:relative;padding:12px 0}
  .brand img{width:320px;max-width:72vw}
  .main-nav{position:absolute;top:calc(100% + 8px);left:12px;right:12px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px rgba(11,43,79,.18);padding:12px;display:none;flex-direction:column;align-items:stretch;gap:4px;white-space:normal;z-index:120}
  .main-nav.open{display:flex}
  .main-nav a{padding:11px 12px;border-radius:12px;font-size:15px;white-space:normal}
  .main-nav a:hover,.main-nav a[aria-current="page"]{background:var(--blue-100);text-decoration:none}
  .main-nav .nav-cta{border-radius:12px;text-align:center;margin-top:4px}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
}
@media (max-width: 720px){
  .announcement .container{justify-content:center;text-align:center}
  .container{width:min(var(--container),calc(100% - 24px))}
  .brand img{width:265px;max-width:72vw}
  .hero{padding:24px 0 10px}
  .grid-3,.related,.feature-grid,.footer-grid{grid-template-columns:1fr}
  .cta-panel{padding:22px}
  .section{padding:36px 0}
  .section-sm{padding:22px 0}
  .btn{width:100%}
  .hero-actions .btn,.actions .btn{flex:1 1 100%}
  .mobile-cta{display:none}
  .wa-float{bottom:18px;right:14px;width:56px;height:56px}
}

@media (max-width: 520px){
  .announcement{font-size:12px}
  .announcement .container{padding:7px 0}
  .nav-wrap{padding:10px 0}
  .brand img{width:250px;max-width:70vw}
  .menu-btn{padding:9px;border-radius:14px}
  .hero-art{max-width:100%;justify-self:stretch}
  .medical-figure{border-radius:18px}
  .medical-figure figcaption{font-size:12px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* V2.2: accesos directos de patologías */
.condition-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.condition-card{display:flex;flex-direction:column;align-items:flex-start}
.condition-card p{flex:1}
.condition-chip{width:auto;height:auto;min-height:44px;padding:10px 14px;border-radius:14px;white-space:normal;line-height:1.15;text-align:left}
.condition-btn{margin-top:18px;width:100%}
@media (max-width:980px){.condition-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:720px){.condition-grid{grid-template-columns:1fr}.condition-chip{font-size:15px}}

/* V3.1: botones con mayor presencia visual */
.condition-chip{
  background:linear-gradient(135deg,#e8f4ff,#d9ecff);
  color:#07589f;
  border:1px solid #b9d9f2;
}