/* Maternal Fetal Medicine Foundation */
/* Layout: institutional and light. White masthead, a hero split between the mission and a live calculator, quick-access tiles like a clinical index, and the academic branch (The Fetus Inside) as the one dark band. */
:root{
  --bg:#F5F7FA; --surface:#FFFFFF; --ink:#0C1A33; --muted:#55627A; --line:#DBE1EA; --tint:#EAF0F7;
  --navy:#0B1730; --navy-2:#13274B; --navy-3:#1D3866; --on-navy:#EEF2F8; --on-navy-muted:#9DAAC2;
  --coral:#D96C55; --coral-ink:#B04A33; --coral-soft:#F8E4DE;
  --ok:#1D7A4F; --ok-soft:#E2F3EA; --warn:#9A6200; --warn-soft:#FBEFD6; --bad:#B3312C; --bad-soft:#FAE4E2;
  --f-display:"Archivo","Arial Narrow","Helvetica Neue",Arial,sans-serif;
  --f-body:"Source Serif 4",Georgia,"Times New Roman",serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --wrap:1200px; --gut:clamp(16px,4vw,40px);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#070F1D; --surface:#0E1B31; --ink:#E8EDF5; --muted:#9BA8BF; --line:#22334F; --tint:#102240;
  --navy:#050C18; --navy-2:#0E1B33; --navy-3:#1A3260; --on-navy:#EEF2F8; --on-navy-muted:#93A1BB;
  --coral:#E8836C; --coral-ink:#EF9580; --coral-soft:#3A1F1A;
  --ok:#5FD39A; --ok-soft:#143527; --warn:#F0BB55; --warn-soft:#3A2D10; --bad:#FF8F88; --bad-soft:#40191A; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#070F1D; --surface:#0E1B31; --ink:#E8EDF5; --muted:#9BA8BF; --line:#22334F; --tint:#102240;
  --navy:#050C18; --navy-2:#0E1B33; --navy-3:#1A3260; --on-navy:#EEF2F8; --on-navy-muted:#93A1BB;
  --coral:#E8836C; --coral-ink:#EF9580; --coral-soft:#3A1F1A;
  --ok:#5FD39A; --ok-soft:#143527; --warn:#F0BB55; --warn-soft:#3A2D10; --bad:#FF8F88; --bad-soft:#40191A; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.6}
:root[data-lang="en"] .es, :root[data-lang="es"] .en{display:none!important}
a{color:inherit}
:focus-visible{outline:2px solid var(--coral);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.08;text-wrap:balance;margin:0}
h2{font-size:clamp(28px,3.8vw,42px);font-weight:800;font-stretch:88%;letter-spacing:-.01em}
h3{font-size:20px;font-weight:700;font-stretch:95%}
p{margin:0}
.eyebrow{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--coral-ink);font-weight:500}
.lede{font-size:18.5px;color:var(--muted);max-width:62ch}
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--f-display);font-weight:700;font-size:15px;letter-spacing:.02em;padding:.8em 1.25em;border-radius:3px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn-coral{background:var(--coral);color:#0B1730}
.btn-coral:hover{background:var(--navy-2);color:#fff}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:var(--bg)}
.pill{display:inline-block;font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:3px 9px;border-radius:20px;white-space:nowrap}
.pill.soon{background:var(--coral-soft);color:var(--coral-ink)}
.pill.live{border:1px solid var(--line);color:var(--muted)}

/* Utility bar */
.util{background:var(--navy);color:var(--on-navy-muted);font-family:var(--f-mono);font-size:12px;letter-spacing:.05em}
.util .wrap{display:flex;justify-content:space-between;align-items:center;gap:10px 18px;min-height:38px;flex-wrap:wrap;padding-block:6px}
.util a{text-decoration:none}.util a:hover{color:var(--on-navy)}
.util-r{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.util .donate{color:var(--coral)}
.lang{display:inline-flex;border:1px solid var(--navy-3);border-radius:3px;overflow:hidden}
.lang button{all:unset;cursor:pointer;padding:3px 10px;font:inherit;color:var(--on-navy-muted)}
.lang button[aria-pressed="true"]{background:var(--coral);color:#0B1730;font-weight:500}
.lang button:focus-visible{outline:2px solid var(--coral)}

/* Masthead */
.mast{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
.mast .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:76px}
.mark{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}
.mark svg{flex:0 0 auto}
.mark b{display:block;font-family:var(--f-display);font-weight:800;font-stretch:86%;font-size:19px;line-height:1.02;max-width:15ch}
.mark small{display:block;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.16em;color:var(--muted);margin-top:3px}
nav.main{display:flex;align-items:center;gap:6px}
nav.main > ul{list-style:none;margin:0;padding:0;display:flex}
nav.main li{position:relative}
nav.main .top{display:block;padding:27px 11px;font-family:var(--f-display);font-weight:600;font-size:14.5px;text-decoration:none}
nav.main .top:hover,nav.main li:focus-within > .top{color:var(--coral-ink)}
.has-sub > .top::after{content:"";display:inline-block;width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);margin-left:8px}
.sub{position:absolute;left:0;top:100%;min-width:300px;background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--coral);box-shadow:0 18px 40px rgba(5,12,24,.16);padding:8px;display:none;list-style:none;margin:0}
nav.main li:hover > .sub,nav.main li:focus-within > .sub{display:block}
.sub a{display:block;padding:9px 12px;text-decoration:none;border-radius:2px}
.sub a:hover{background:var(--bg)}
.sub a strong{display:block;font-family:var(--f-display);font-size:15px}
.sub a em{font-style:normal;font-size:13.5px;color:var(--muted);line-height:1.35;display:block}
.sub .feat{background:var(--navy-2);color:var(--on-navy);margin-bottom:6px}
.sub .feat em{color:var(--on-navy-muted)}
.sub .feat:hover{background:var(--navy-3)}
.menu-btn{display:none;all:unset;cursor:pointer;font-family:var(--f-display);font-weight:700;padding:10px 0}
@media (max-width:1120px){
  .menu-btn{display:block}
  nav.main{position:absolute;left:0;right:0;top:100%;background:var(--surface);flex-direction:column;align-items:stretch;padding:6px var(--gut) 20px;max-height:75vh;overflow:auto;display:none;border-bottom:3px solid var(--coral)}
  nav.main.open{display:flex}
  nav.main > ul{flex-direction:column}
  nav.main .top{padding:12px 0;border-bottom:1px solid var(--line)}
  .has-sub > .top::after{display:none}
  .sub{position:static;display:block;box-shadow:none;border:0;padding:4px 0 8px 12px;min-width:0}
  nav.main .btn{margin-top:14px;align-self:flex-start}
}

/* Hero */
.hero{background:var(--surface);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;padding-block:64px 56px;align-items:center}
.hero h1{font-size:clamp(40px,5.6vw,70px);font-weight:900;font-stretch:80%;line-height:.96;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--coral-ink)}
.hero .lede{margin-top:20px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.quick{background:var(--bg);border:1px solid var(--line);padding:22px;min-width:0}
.quick .top-r{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.quick h2{font-size:22px;margin:8px 0 4px}
.quick .sub-l{font-size:14.5px;color:var(--muted)}
.qgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.qgrid label{display:flex;flex-direction:column;gap:4px;font-family:var(--f-display);font-size:13px;font-weight:600;color:var(--muted)}
.qgrid input{font:400 16px var(--f-mono);color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:3px;padding:9px 10px;width:100%;min-width:0}
.qres{margin-top:14px;border-top:1px dashed var(--line);padding-top:12px;display:flex;flex-direction:column;gap:6px}
.qrow{display:flex;justify-content:space-between;gap:10px;align-items:baseline;font-size:14px;color:var(--muted)}
.qrow b{font:500 15px var(--f-mono);color:var(--ink);font-variant-numeric:tabular-nums}
.qrow.big b{font-size:26px;color:var(--coral-ink)}
.flag{align-self:flex-start;font-family:var(--f-display);font-weight:600;font-size:13px;padding:3px 10px;border-radius:20px}
.flag.ok{background:var(--ok-soft);color:var(--ok)}.flag.warn{background:var(--warn-soft);color:var(--warn)}.flag.bad{background:var(--bad-soft);color:var(--bad)}
.quick .more{display:inline-block;margin-top:14px;font-family:var(--f-display);font-weight:700;font-size:14px;color:var(--coral-ink);text-decoration:none}
.quick small{display:block;margin-top:8px;font-family:var(--f-mono);font-size:11px;color:var(--muted)}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:36px;padding-block:44px}}

/* Quick-access tiles */
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-left:1px solid var(--line)}
.tile{display:flex;flex-direction:column;gap:8px;padding:26px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-decoration:none;background:var(--surface);transition:background .15s}
.tile:hover{background:var(--tint)}
.tile .k{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.tile h3{font-size:21px}
.tile p{font-size:15px;color:var(--muted)}
.tile .go{margin-top:auto;font-family:var(--f-display);font-weight:700;font-size:14px;color:var(--coral-ink)}
@media (max-width:900px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.tiles{grid-template-columns:1fr}}

section.band{padding-block:clamp(60px,7vw,96px)}
.band-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px 56px;align-items:end;margin-bottom:40px}
.band-head .eyebrow{margin-bottom:12px}
@media (max-width:820px){.band-head{grid-template-columns:1fr}}
.alt{background:var(--surface);border-block:1px solid var(--line)}

/* Structure: foundation and branches */
.org{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:20px}
.tfi{background:var(--navy);color:var(--on-navy);padding:34px;display:flex;flex-direction:column;gap:14px;position:relative;overflow:hidden;text-decoration:none}
.tfi::after{content:"";position:absolute;right:-90px;bottom:-90px;width:280px;height:280px;border-radius:50%;border:1px dashed rgba(217,108,85,.45)}
.tfi .eyebrow{color:var(--coral)}
.tfi .logo{font-family:var(--f-display);font-weight:900;font-stretch:78%;text-transform:uppercase;line-height:.85;font-size:clamp(48px,6vw,74px)}
.tfi .logo small{display:block;font-size:.26em;font-weight:500;letter-spacing:.24em;font-stretch:100%;color:var(--on-navy-muted);margin-bottom:.4em}
.tfi .logo b{color:var(--coral);font-weight:900}
.tfi p{color:var(--on-navy-muted);max-width:50ch;font-size:16px}
.tfi ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.tfi li{font-family:var(--f-mono);font-size:11.5px;padding:4px 8px;border:1px solid var(--navy-3)}
.tfi .go{font-family:var(--f-display);font-weight:700;color:var(--coral);margin-top:6px;position:relative;z-index:1}
.branches{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.br{background:var(--surface);padding:20px;display:flex;flex-direction:column;gap:6px;min-width:0}
.br .k{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.br h3{font-size:17.5px}
.br p{font-size:14.5px;color:var(--muted);line-height:1.45}
@media (max-width:900px){.org{grid-template-columns:1fr}}
@media (max-width:460px){.branches{grid-template-columns:1fr}}

/* Calculators index */
.cgroups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cg{background:var(--surface);border:1px solid var(--line);padding:20px 22px}
.cg h3{font-size:16px;font-family:var(--f-mono);font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--coral-ink);display:flex;justify-content:space-between}
.cg h3 span.n{color:var(--muted)}
.cg ul{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column}
.cg a{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid var(--line);text-decoration:none;font-family:var(--f-display);font-weight:600;font-size:15px}
.cg a:hover{color:var(--coral-ink)}
.cg a span.f{font-family:var(--f-mono);font-weight:400;font-size:11.5px;color:var(--muted);text-align:right}
.calc-foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:28px}
.calc-foot p{font-size:14px;color:var(--muted);max-width:70ch}
@media (max-width:900px){.cgroups{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.cgroups{grid-template-columns:1fr}}

/* Certification */
.certs{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.certs li{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1.6fr) auto;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.certs b{font-family:var(--f-display);font-size:17px}
.certs span.d{font-size:15px;color:var(--muted)}
@media (max-width:720px){.certs li{grid-template-columns:1fr}}

/* Two-up: research + congress */
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{background:var(--surface);border:1px solid var(--line);padding:30px;display:flex;flex-direction:column;gap:12px}
.card ul{margin:4px 0 0;padding-left:18px;font-size:15.5px;display:flex;flex-direction:column;gap:4px}
.card .btn{align-self:flex-start;margin-top:auto}
@media (max-width:820px){.two{grid-template-columns:1fr}}

/* Support */
.support{background:var(--coral);color:#0B1730}
.support .wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;padding-block:52px}
.support h2{font-size:clamp(26px,3vw,34px)}
.support h3{font-size:19px}
.support p{font-size:15.5px;margin-top:6px}
.support .col{display:flex;flex-direction:column;gap:10px}
.support .btn{background:#0B1730;color:#fff;align-self:flex-start;margin-top:auto}
.support .btn:hover{background:#13274B}
.support .msg{font-family:var(--f-mono);font-size:12.5px;min-height:1em}
@media (max-width:860px){.support .wrap{grid-template-columns:1fr}}

/* Footer */
footer{background:var(--navy);color:var(--on-navy-muted);font-size:14.5px}
footer .wrap{padding-block:56px 28px}
.fgrid{display:grid;grid-template-columns:1.4fr repeat(6,minmax(0,1fr));gap:24px}
.fgrid h5{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--coral);margin:0 0 12px;font-weight:500}
.fgrid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.fgrid a{text-decoration:none}.fgrid a:hover{color:var(--on-navy)}
.fbrand .mark b{color:var(--on-navy)}
.fbrand .mark small{color:var(--on-navy-muted)}
.fbrand p{margin-top:14px;max-width:36ch}
.contact{margin-top:14px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.contact code{font-family:var(--f-mono);font-size:13px;color:var(--on-navy);user-select:all}
.copy{all:unset;cursor:pointer;font-family:var(--f-mono);font-size:11.5px;border:1px solid var(--navy-3);padding:3px 8px}
.copy:hover{border-color:var(--coral);color:var(--on-navy)}
.fbase{border-top:1px solid var(--navy-3);margin-top:44px;padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-family:var(--f-mono);font-size:12px}
@media (max-width:1000px){.fgrid{grid-template-columns:repeat(3,minmax(0,1fr))}.fbrand{grid-column:1/-1}}
@media (max-width:520px){.fgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Ecosystem bar: shared by every site in the network; deliberately always dark */
.eco{background:#03080F;color:#AEB9CC;font-family:"JetBrains Mono",ui-monospace,Menlo,monospace;font-size:11.5px;letter-spacing:.03em;border-bottom:1px solid #1A2944}
.eco-in{max-width:1200px;margin-inline:auto;padding-inline:clamp(16px,4vw,40px);display:flex;align-items:stretch;gap:2px;overflow-x:auto;scrollbar-width:none}
.eco-in::-webkit-scrollbar{display:none}
.eco-l{display:flex;align-items:center;padding-right:14px;white-space:nowrap;color:#7D8AA3;text-transform:uppercase;letter-spacing:.12em;font-size:10.5px}
.eco a{display:flex;align-items:center;gap:8px;padding:8px 12px;text-decoration:none;color:#D7DEEA;white-space:nowrap;border-bottom:2px solid transparent}
.eco a:hover{background:#0B1528;color:#fff}
.eco a[aria-current]{border-bottom-color:var(--eco-c);background:#0B1528;color:#fff}
.eco i{width:8px;height:8px;border-radius:50%;background:var(--eco-c);flex:0 0 auto}
.eco b{font-weight:500}
.eco small{color:#7D8AA3;font-size:10.5px}
@media (max-width:640px){.eco small{display:none}}

/* Ecosystem section */
.eco-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.site-card{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--sc);padding:22px;display:flex;flex-direction:column;gap:8px;text-decoration:none;min-width:0}
.site-card:hover{border-color:var(--sc)}
.site-card .k{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.site-card h3{font-size:19px}
.site-card p{font-size:14.5px;color:var(--muted);line-height:1.45}
.site-card .dom{margin-top:auto;font-family:var(--f-mono);font-size:12.5px;color:var(--ink);padding-top:10px;border-top:1px solid var(--line)}
.site-card.here{background:var(--tint)}
.paths{margin-top:28px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.path{border:1px solid var(--line);padding:18px 20px;background:var(--surface)}
.path h4{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--coral-ink);font-weight:500;margin-bottom:10px}
.path ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-family:var(--f-display);font-weight:600;font-size:14.5px}
.path li{display:flex;align-items:center;gap:6px}
.path li+li::before{content:"→";color:var(--muted);font-weight:400}
.path li span.chip{padding:3px 9px;border:1px solid var(--line);border-left:3px solid var(--sc);background:var(--bg)}
@media (max-width:1000px){.eco-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.paths{grid-template-columns:1fr}}
@media (max-width:520px){.eco-grid{grid-template-columns:1fr}}
/* Patient notice */
.patients{background:var(--navy-2);color:var(--on-navy)}
.patients .wrap{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:28px;align-items:center;padding-block:40px}
.patients .eyebrow{color:#C9A24B}
.patients h2{font-size:clamp(24px,2.8vw,32px);margin-top:8px}
.patients p{color:var(--on-navy-muted);font-size:16px;margin-top:8px;max-width:56ch}
.lines{display:flex;flex-direction:column;gap:10px}
.line{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border:1px solid var(--navy-3);padding:12px 14px}
.line span{font-size:14px;color:var(--on-navy-muted)}
.line code{font-family:var(--f-mono);font-size:15px;color:var(--on-navy);user-select:all}
.line a{font-family:var(--f-display);font-weight:700;font-size:14px;color:#C9A24B;text-decoration:none}
@media (max-width:820px){.patients .wrap{grid-template-columns:1fr}}

nav.main .top[aria-current]{color:var(--coral-ink)}
.b-tfi nav.main .top[aria-current]{color:var(--coral)}
.fgrid{grid-template-columns:1.4fr repeat(5,minmax(0,1fr))}
@media (max-width:1000px){.fgrid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:520px){.fgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}