:root{
  --ink:#122E36;
  --paper:#FAF9F6;
  --teal:#0F6B74;
  --teal-dark:#0B525A;
  --pulse:#C0223B;
  --mist:#5E7378;
  --shell:#EDF1EE;
  --line:#D8DED9;
  --radius:14px;
  --display:'Fraunces',Georgia,serif;
  --body:'Instrument Sans',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--teal)}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.eyebrow{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--teal)}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem);margin:.4em 0 .5em}
h3{font-size:1.25rem}
section{padding:84px 0}
.btn{display:inline-block;background:var(--teal);color:#fff;text-decoration:none;font-weight:600;
  padding:14px 28px;border-radius:999px;transition:background .2s}
.btn:hover{background:var(--teal-dark)}
.btn:focus-visible,a:focus-visible{outline:3px solid var(--pulse);outline-offset:3px}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn--ghost:hover{background:#fff}

/* Nav */
header{position:sticky;top:0;z-index:50;background:rgba(250,249,246,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{font-family:var(--display);font-size:1.1rem;font-weight:600;color:var(--ink);text-decoration:none}
.brand small{display:block;font-family:var(--body);font-size:.68rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--mist);font-weight:500}
.nav ul{display:flex;gap:24px;list-style:none;align-items:center}
.nav ul a{color:var(--ink);text-decoration:none;font-size:.93rem;font-weight:500}
.nav ul a:hover{color:var(--teal)}
.nav .btn{padding:10px 22px;font-size:.9rem}
@media(max-width:900px){.nav ul li:not(:last-child){display:none}}

/* Hero */
.hero{padding:96px 0 40px}
.hero h1{font-size:clamp(2.1rem,5vw,3.4rem);max-width:18ch}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero p.lead{max-width:56ch;margin:22px 0 30px;font-size:1.12rem;color:var(--mist)}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.trust{display:flex;gap:26px;flex-wrap:wrap;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.trust div{font-size:.9rem;color:var(--mist)}
.trust strong{display:block;color:var(--ink);font-size:1.05rem}

/* ECG firma */
.ecg{display:block;width:100%;height:72px;margin:8px 0 -8px}
.ecg path{fill:none;stroke:var(--pulse);stroke-width:2.2;stroke-linecap:round;
  stroke-dasharray:2400;stroke-dashoffset:2400;animation:draw 2.8s ease-out forwards .3s}
@keyframes draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.ecg path{stroke-dashoffset:0}}

/* Tarjetas / grids */
.alt{background:var(--shell)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin-top:34px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.card h3{margin-bottom:8px}
.card p{color:var(--mist);font-size:.97rem}
.card a.more{display:inline-block;margin-top:14px;font-weight:600;font-size:.92rem;text-decoration:none}
.card a.more::after{content:" →"}

/* Sobre */
.about{display:grid;grid-template-columns:1fr 1.2fr;gap:52px;align-items:center}
.about .photo{aspect-ratio:4/5;background:linear-gradient(160deg,var(--shell),#dfe7e2);
  border-radius:var(--radius);display:flex;align-items:center;justify-content:center;
  color:var(--mist);font-size:.9rem;text-align:center;padding:20px}
@media(max-width:820px){.about{grid-template-columns:1fr}}

/* Roadmap / tags */
.roadmap{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px;margin-top:34px}
.roadmap .card{background:var(--paper)}
.tag{display:inline-block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  font-weight:600;color:var(--pulse);border:1px solid currentColor;border-radius:999px;
  padding:3px 10px;margin-bottom:12px}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{font-weight:600;font-size:1.06rem;cursor:pointer;list-style:none;display:flex;
  justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--teal);font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p, .faq details ul{margin-top:12px;color:var(--mist)}
.faq details ul{padding-left:20px}

/* Contacto */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:52px}
.contact .nap p{margin-bottom:14px}
.contact .nap strong{display:block;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--mist);font-weight:600;margin-bottom:2px}
.map{background:var(--shell);border-radius:var(--radius);display:flex;align-items:center;
  justify-content:center;color:var(--mist);min-height:320px;text-align:center;padding:20px}
@media(max-width:820px){.contact{grid-template-columns:1fr}}

/* Páginas interiores (patologías / pruebas / consulta online) */
.page-hero{padding:72px 0 30px}
.page-hero h1{font-size:clamp(1.9rem,4.4vw,3rem);max-width:22ch}
.page-hero p.lead{max-width:60ch;margin:18px 0 8px;font-size:1.1rem;color:var(--mist)}
.breadcrumb{font-size:.85rem;color:var(--mist);margin-bottom:18px}
.breadcrumb a{color:var(--mist);text-decoration:none}
.breadcrumb a:hover{color:var(--teal)}
article.condition{padding:40px 0 84px}
article.condition h2{font-size:clamp(1.4rem,2.8vw,1.9rem);margin-top:1.6em}
article.condition p, article.condition li{color:#31474D;margin-bottom:12px;max-width:70ch}
article.condition ul{padding-left:22px;margin-bottom:12px}
.cta-band{background:var(--ink);color:#fff;border-radius:var(--radius);padding:38px;margin-top:48px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0;font-size:1.5rem}
.cta-band p{color:#B8C6C4;margin:6px 0 0;max-width:52ch}

/* Footer */
footer{background:var(--ink);color:#B8C6C4;padding:52px 0 40px;font-size:.9rem}
footer .cols{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
footer a{color:#DCE7E4}
footer .legal{margin-top:34px;padding-top:22px;border-top:1px solid #24444C;font-size:.8rem;color:#8AA0A0}