/* Mundo Fetal — azul acero y marino de la marca, serif editorial; línea de tiempo por semanas como eje */
:root{
  --bg:#F4F7FB; --surface:#FFFFFF; --ink:#16283C; --muted:#56677A; --line:#D6E0EB;
  --brand:#2F5C88; --navy:#22405E; --brand-soft:#E3ECF5; --on-brand:#FFFFFF;
  --display:"Source Serif 4", Georgia, "Times New Roman", serif;
  --body:"Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0F1C2A; --surface:#162638; --ink:#E8EEF5; --muted:#A3B3C4; --line:#26394E;
  --brand:#7FA9D3; --navy:#1A3048; --brand-soft:#1C3249; --on-brand:#0F1C2A; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0F1C2A; --surface:#162638; --ink:#E8EEF5; --muted:#A3B3C4; --line:#26394E;
  --brand:#7FA9D3; --navy:#1A3048; --brand-soft:#1C3249; --on-brand:#0F1C2A; color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6}
img{max-width:100%}
.wrap{max-width:1060px;margin:0 auto;padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;text-wrap:balance;margin:0;line-height:1.15}
p{margin:0}
a{color:var(--brand)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.label{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}
.muted{color:var(--muted)}

.top{background:var(--navy);color:#fff}
nav{display:flex;justify-content:space-between;align-items:center;gap:12px 20px;padding-block:16px;flex-wrap:wrap}
.brandmark{font-family:var(--display);font-size:22px;font-weight:700;color:#fff;display:inline-flex;align-items:center;gap:8px;text-decoration:none}
.brandmark i{width:8px;height:8px;border-radius:50%;background:#E0474F;display:inline-block}
nav .links{display:flex;gap:6px 18px;flex-wrap:wrap;align-items:center;font-size:15px}
nav .links a{color:#DCE6F1;text-decoration:none}
nav .links a:hover{color:#fff}
nav .links a.navcta{color:#22405E;background:#fff;padding:7px 14px;border-radius:999px;font-weight:600}

.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:44px;align-items:center;padding-block:40px 60px}
.hero > div{min-width:0;display:grid;gap:20px}
.hero .label{color:#A9C6E4}
.hero h1{font-size:clamp(36px,5.6vw,58px);color:#fff}
.hero .lead{font-size:19px;color:#C9D7E6;max-width:34em}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 22px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid #fff}
.btn.primary{background:#fff;color:#22405E}
.btn.ghost{color:#fff}
.portrait{justify-self:end;width:min(400px,100%);margin:0}
.portrait img{width:100%;aspect-ratio:4/5;height:auto;border-radius:18px;object-fit:cover;object-position:50% 20%;display:block}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;color:#C9D7E6;font-size:14px;line-height:1.35;border-top:1px solid rgba(255,255,255,.18);padding-top:20px}
.stats b{display:block;font-family:var(--display);font-size:24px;color:#fff;font-variant-numeric:tabular-nums;margin-bottom:4px}

.band{padding-block:64px;border-top:1px solid var(--line)}
.band:first-of-type{border-top:0}
.sec-head{display:grid;gap:12px;margin-bottom:32px;max-width:42em}
.sec-head h2{font-size:clamp(28px,4vw,40px)}
.sec-head p{color:var(--muted)}

.timeline{display:grid}
.step{display:grid;grid-template-columns:150px 1fr 24px;gap:24px;padding-block:22px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.step:last-child{border-bottom:0}
.step:hover h3{color:var(--brand)}
.step .arrow{color:var(--brand);font-size:20px;align-self:center}
.wk{font-family:var(--mono);font-size:14px;color:var(--brand);font-variant-numeric:tabular-nums;padding-top:4px}
.step > div{min-width:0;display:grid;gap:6px}
.step h3{font-size:22px}
.step p{color:var(--muted);max-width:44em}

.surgery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.op{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px;display:grid;gap:10px;align-content:start;text-decoration:none;color:var(--ink)}
.op:hover{border-color:var(--brand)}
.op .yr{font-family:var(--mono);font-size:13px;color:var(--brand)}
.op h3{font-size:21px}
.op p{color:var(--muted);font-size:15.5px}
.op .more{color:var(--brand);font-weight:600;font-size:15px}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.post{display:grid;gap:10px;text-decoration:none;color:var(--ink)}
.post .thumb{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:3/4;background:var(--brand-soft)}
.post img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.post:hover img{transform:scale(1.03)}
.post .kind{position:absolute;top:10px;left:10px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;background:rgba(15,28,42,.78);color:#fff;padding:4px 8px;border-radius:999px}
.post .t{font-weight:600;font-size:15.5px;line-height:1.35}
.more-row{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}
.btn2{display:inline-block;padding:12px 20px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid var(--brand);color:var(--brand);margin-top:18px}
.btn2.solid{background:var(--brand);color:var(--on-brand)}
.more-row .btn2{margin-top:0}

.about{display:grid;grid-template-columns:1fr 1.2fr;gap:48px}
.about > div{min-width:0;display:grid;gap:12px;align-content:start}
.about h2{font-size:clamp(26px,3.4vw,34px)}

.faq{border-bottom:1px solid var(--line);padding-block:14px}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand);font-size:20px;line-height:1}
.faq[open] summary::after{content:"–"}
.faq p{color:var(--muted);margin-top:8px;max-width:44em}

.article{padding-block:32px 64px}
.article h1{font-size:clamp(32px,5vw,48px);margin-top:10px}
.article .lead{font-size:20px;color:var(--muted);max-width:38em;margin-top:16px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:24px}
.crumbs a{color:var(--muted)}
.byline{font-size:14px;color:var(--muted);margin-top:16px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.artbody{max-width:44em}
.blk{margin-top:40px}
.blk h2{font-size:clamp(24px,3vw,30px);margin-bottom:12px}
.blk ul{padding-left:20px;margin:0;display:grid;gap:8px}
.blk p{max-width:44em}
.relgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.relcard{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;display:grid;gap:6px;text-decoration:none;color:var(--ink)}
.relcard:hover{border-color:var(--brand)}

.docgrid{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}
.docgrid > div{min-width:0;display:grid;gap:14px}
.docphoto{width:100%;height:auto;border-radius:16px;display:block}
.creds{list-style:none;padding:0!important;display:grid;gap:18px!important}
.creds li{display:grid;gap:2px;padding-left:18px;border-left:2px solid var(--brand)}
.creds span{color:var(--muted);font-size:15.5px}

.ctaband{background:var(--navy);color:#fff}
.ctain{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding-block:48px;align-items:center}
.ctain > div{min-width:0;display:grid;gap:12px}
.ctaband .label{color:#A9C6E4}
.ctaband h2{font-size:clamp(26px,3.5vw,36px)}
.ctaband p{color:#C9D7E6}
.ctaband a{color:#fff}
.ctaband .btn.primary{color:#22405E;justify-self:start}

.foot{padding-block:40px;font-size:15px;color:var(--muted)}
.fcols{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px}
.fcols > div{min-width:0;display:grid;gap:10px;align-content:start}
.foot .brandmark{color:var(--ink)}
.foot h4{font-size:16px;color:var(--ink);margin-top:6px}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.foot a{color:var(--muted)}
.legal{margin-top:28px;font-size:13px;border-top:1px solid var(--line);padding-top:16px}

@media (max-width:760px){
  .hero,.about,.ctain,.docgrid,.fcols{grid-template-columns:1fr}
  .portrait{width:100%;justify-self:stretch;order:-1}
  .portrait img{aspect-ratio:4/3;object-position:50% 25%}
  .stats{gap:12px;font-size:13px}
  .surgery,.relgrid{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .step{grid-template-columns:1fr;gap:6px}
  .step .arrow{display:none}
  .docgrid img{max-width:260px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.post img{transition:none}}