/* Nu Research Gate — theme styles */
:root{
  --cream:#F2ECDE;      /* page */
  --stone:#D2CFC5;      /* header bar */
  --sand:#E4D9C2;       /* cards */
  --sand-line:#CDBF9F;
  --forest:#143620;     /* CTA, footer */
  --forest-2:#1E4A2D;
  --ink:#113029;        /* logo + headings */
  --text:#3A4A40;
  --muted:#6B6A5D;
  --moss:#4F7D58;
  --serif:"Newsreader","Iowan Old Style","Palatino Linotype",Georgia,serif;
  --sans:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
html{-webkit-text-size-adjust:100%;background:var(--cream)}
body{font-family:var(--sans);font-size:15px;line-height:1.65;color:var(--text);background:var(--cream);
  -webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit}
:focus-visible{outline:2px solid var(--moss);outline-offset:3px;border-radius:4px}

/* header */
.site-head{background:var(--stone)}
.head-in{max-width:1180px;margin:0 auto;padding:10px 24px;display:grid;
  grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.head-flag{font-size:12px;font-weight:500;color:var(--ink);display:flex;align-items:center;gap:8px}
.head-flag i{width:7px;height:7px;border-radius:50%;background:var(--moss)}
.head-logo img{height:46px;width:auto;display:block}
.head-nav{display:flex;justify-content:flex-end;gap:22px}
.head-nav a{font-size:12.5px;font-weight:500;color:var(--ink);text-decoration:none}
.head-nav a:hover{text-decoration:underline;text-underline-offset:4px}

/* footer */
.site-foot{background:var(--forest);color:rgba(242,236,222,.72);margin-top:auto}
.foot-in{max-width:1180px;margin:0 auto;padding:44px 24px 24px;display:grid;
  grid-template-columns:1.6fr 1fr;gap:32px}
.foot-in img{height:52px;width:auto;margin-bottom:14px;display:block}
.foot-col p{font-size:13.5px;max-width:44ch}
.foot-col h4{font-family:var(--sans);font-size:13px;font-weight:600;color:var(--cream);margin-bottom:10px}
.foot-col ul{list-style:none}
.foot-col li{margin-bottom:6px}
.foot-col a{font-size:13.5px;text-decoration:none;color:rgba(242,236,222,.8)}
.foot-col a:hover{color:var(--cream);text-decoration:underline;text-underline-offset:3px}
.foot-note{max-width:640px;margin:8px auto 22px;padding:12px 20px;border:1px solid rgba(242,236,222,.45);
  border-radius:12px;font-size:12px;line-height:1.7;text-align:center;color:rgba(242,236,222,.85)}
.foot-note strong{color:var(--cream);font-weight:600}
.foot-bar{max-width:1180px;margin:0 auto;padding:14px 24px 18px;border-top:1px solid rgba(242,236,222,.14);
  font-size:12px;color:rgba(242,236,222,.6)}

@media (max-width:640px){
  .head-in{grid-template-columns:auto 1fr;padding:10px 18px}
  .head-flag{display:none}
  .head-logo img{height:40px}
  .foot-in{grid-template-columns:1fr;gap:22px;padding:36px 18px 20px}
  .foot-note{margin:6px 18px 20px}
}

/* ===== gate ===== */
/* ---------- hero ---------- */
.gate{flex:1;position:relative;overflow:hidden}
.gate-in{max-width:1180px;margin:0 auto;padding:72px 24px 64px;display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.copy{max-width:560px}
h1{font-family:var(--serif);font-weight:400;color:var(--ink);
  font-size:clamp(40px,6vw,66px);line-height:1.02;letter-spacing:-.015em}
h1 em{display:block;font-style:italic;color:var(--moss)}
.lede{margin-top:22px;font-size:15.5px;line-height:1.7;max-width:50ch}
.actions{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px}
.enter{font-family:var(--sans);font-size:14.5px;font-weight:600;letter-spacing:.01em;
  color:var(--cream);background:var(--forest);border:0;border-radius:8px;padding:17px 30px;cursor:pointer;
  transition:background .18s}
.enter:hover{background:var(--forest-2)}
.enter:active{transform:translateY(1px)}
.enter:disabled{opacity:.6;cursor:wait}
.leave{font-family:var(--sans);font-size:13.5px;font-weight:500;color:var(--ink);background:none;border:0;
  cursor:pointer;text-decoration:underline;text-underline-offset:4px;padding:8px 2px}
.leave:hover{color:var(--moss)}
.note{margin-top:14px;font-size:12.5px;color:var(--muted)}
.legal-line{margin-top:26px;padding-top:18px;border-top:1px solid var(--sand-line);
  font-size:12.5px;line-height:1.7;color:var(--muted);max-width:56ch}
.legal-line a{color:var(--ink)}

/* the 21+ tile echoes the logo's framed lockup */
.mark{position:relative;justify-self:center;width:min(100%,340px)}
.net{position:absolute;inset:-22% -30%;width:160%;height:144%;color:var(--moss);opacity:.28;pointer-events:none}
.tile{position:relative;aspect-ratio:181/200;border:7px solid var(--ink);border-radius:34px;background:var(--cream);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4%;color:var(--ink);
  box-shadow:0 30px 60px -30px rgba(17,48,41,.45)}
.tile b{font-weight:700;font-size:clamp(88px,11vw,138px);line-height:.9;letter-spacing:-.04em}
.tile span{font-weight:500;font-size:clamp(15px,1.7vw,20px);letter-spacing:.18em}

/* ---------- trust ---------- */
.trust{max-width:1180px;margin:0 auto;padding:8px 24px 80px}
.trust h2{font-family:var(--serif);font-weight:400;color:var(--ink);font-size:clamp(28px,3.4vw,38px);
  line-height:1.15;margin-bottom:24px}
.tcards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tcard{background:var(--sand);border:1px solid var(--sand-line);border-radius:14px;padding:24px 24px 26px}
.tick{width:30px;height:30px;border-radius:50%;background:var(--forest);display:grid;place-items:center;margin-bottom:16px}
.tick svg{width:14px;height:14px}
.tcard h3{font-family:var(--serif);font-weight:500;font-size:21px;line-height:1.2;color:var(--ink);margin-bottom:8px}
.tcard p{font-size:14px;line-height:1.65}

/* page-load: one orchestrated reveal */
.copy,.mark{opacity:0;transform:translateY(12px);animation:rise .8s cubic-bezier(.2,.7,.3,1) forwards}
.mark{animation-delay:.12s}
@keyframes rise{to{opacity:1;transform:none}}


/* ---------- result screens ---------- */
.state{position:fixed;inset:0;z-index:30;display:none;place-items:center;text-align:center;padding:28px;
  background:var(--forest);color:var(--cream)}
.state.on{display:grid}
.state .card{max-width:440px}
.state h2{font-family:var(--serif);font-weight:400;font-size:34px;line-height:1.1;margin-bottom:12px}
.state p{color:rgba(242,236,222,.82);font-size:14.5px;line-height:1.65}
.state button{margin-top:24px;padding:13px 26px;border:1px solid rgba(242,236,222,.5);background:none;color:var(--cream);
  border-radius:8px;cursor:pointer;font-family:var(--sans);font-size:13.5px;font-weight:600}
.state button:hover{background:rgba(242,236,222,.1)}
.state button:focus-visible{outline-color:var(--cream)}
.spin{width:38px;height:38px;border-radius:50%;border:3px solid rgba(242,236,222,.22);border-top-color:var(--cream);
  margin:0 auto 18px;animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.nojs{background:var(--forest);color:var(--cream);text-align:center;padding:12px 18px;font-size:13.5px}

@media (max-width:860px){
  .gate-in{grid-template-columns:1fr;gap:40px;padding:44px 20px 52px}
  .mark{order:-1;width:min(42%,160px);justify-self:start}
  .tile{border-width:5px;border-radius:24px}
  .tcards{grid-template-columns:1fr}
  .trust{padding:0 20px 60px}
}
@media (max-width:480px){
  .enter{width:100%}
  .actions{gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .copy,.mark{opacity:1;transform:none}
}

/* hide the 21+ tile on mobile */
@media (max-width:860px){.gate-in .mark{display:none}}

/* ===== pages ===== */.doc{flex:1;max-width:760px;margin:0 auto;padding:64px 24px 80px;width:100%}
.doc h1{font-family:var(--serif);font-weight:400;color:var(--ink);font-size:clamp(36px,5vw,52px);line-height:1.05;letter-spacing:-.01em}
.doc .updated{margin-top:10px;font-size:13px;color:var(--muted)}
.doc .draft{margin:26px 0 8px;padding:14px 18px;background:var(--sand);border:1px solid var(--sand-line);border-radius:12px;font-size:13.5px;color:var(--ink)}
.doc h2{font-family:var(--serif);font-weight:500;color:var(--ink);font-size:24px;line-height:1.25;margin:36px 0 10px}
.doc p,.doc li{font-size:15px;line-height:1.75;max-width:68ch}
.doc p+p{margin-top:12px}
.doc ul{margin:10px 0 0 20px}
.doc li{margin-bottom:6px}
.back{display:inline-block;margin-top:40px;font-size:14px;font-weight:500;color:var(--ink);text-underline-offset:4px}
@media (max-width:640px){.doc{padding:44px 20px 60px}}

.doc .entry > *+*{margin-top:12px}
.doc .entry a{color:var(--ink);text-underline-offset:3px}
.doc .entry code{font-size:.9em;background:var(--sand);padding:1px 5px;border-radius:4px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
.skip-link:focus{position:fixed;top:10px;left:10px;z-index:99;width:auto;height:auto;clip:auto;background:var(--forest);color:var(--cream);padding:10px 16px;border-radius:8px}
.head-logo .custom-logo{height:46px;width:auto;display:block}
@media (max-width:640px){.head-logo .custom-logo{height:40px}}
.tick{color:var(--cream)}
.doc .entry .draft{padding:14px 18px;background:var(--sand);border:1px solid var(--sand-line);border-radius:12px;font-size:13.5px;color:var(--ink)}
/* the admin bar pushes the page down; keep overlays full-screen */
.admin-bar .state{top:var(--wp-admin--admin-bar--height,32px)}

/* ===== block content ===== */
.gate.entry{padding-bottom:80px}
.gate.entry > :not(.gate-in):not(.trust){max-width:1180px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.gate.entry > .trust{padding-bottom:0}
.gate.entry > * + *:not(.trust){margin-top:48px}
.gate-in.no-tile{grid-template-columns:minmax(0,1fr)}
.entry h2{font-family:var(--serif);font-weight:400;color:var(--ink);font-size:clamp(26px,3.2vw,34px);line-height:1.2}
.entry h3{font-family:var(--serif);font-weight:500;color:var(--ink);font-size:22px;line-height:1.25}
.entry h4{font-size:15px;font-weight:600;color:var(--ink)}
.entry img{max-width:100%;height:auto;border-radius:12px}
.entry .wp-block-button__link{background:var(--forest);color:var(--cream);border-radius:8px;padding:14px 26px;font-family:var(--sans);font-weight:600;font-size:14.5px;text-decoration:none}
.entry .wp-block-button__link:hover{background:var(--forest-2)}
.entry .is-style-outline .wp-block-button__link{background:none;color:var(--forest);border:1.5px solid var(--forest)}
.entry hr,.entry .wp-block-separator{border:0;border-top:1px solid var(--sand-line);margin:36px 0}
.entry blockquote{border-left:3px solid var(--moss);padding-left:18px;font-family:var(--serif);font-size:20px;color:var(--ink)}
.entry table{border-collapse:collapse;width:100%}
.entry td,.entry th{border:1px solid var(--sand-line);padding:10px 12px;text-align:left}
.entry .has-nu-cream-color{color:#F2ECDE}.entry .has-nu-cream-background-color{background:#F2ECDE}
.entry .has-nu-sand-color{color:#E4D9C2}.entry .has-nu-sand-background-color{background:#E4D9C2}
.entry .has-nu-forest-color{color:#143620}.entry .has-nu-forest-background-color{background:#143620}
.entry .has-nu-ink-color{color:#113029}.entry .has-nu-ink-background-color{background:#113029}
.entry .has-nu-moss-color{color:#4F7D58}.entry .has-nu-moss-background-color{background:#4F7D58}

/* notice block */
.nu-notice{border-radius:12px;padding:16px 20px;font-size:14px;line-height:1.7}
.nu-notice.is-sand{background:var(--sand);border:1px solid var(--sand-line);color:var(--ink)}
.nu-notice.is-forest{background:var(--forest);color:var(--cream)}
.nu-notice.is-forest a{color:var(--cream)}

/* page frame */
.doc.is-wide{max-width:1180px}
.doc .intro{margin-top:14px;font-size:17px;line-height:1.6;color:var(--text);max-width:60ch}
.doc .entry{margin-top:26px}
.doc .entry > h2:first-child{margin-top:0}
.doc .entry .trust{padding:0}