/* Nuviofeed visual system v2 — midnight editorial studio */
:root{
  --paper:#f6f2ea;
  --card:#fffcf6;
  --ink:#15243a;
  --wine:#c2473f;
  --blue:#87aebe;
  --mustard:#c9d87a;
  --line:#d8d1c5;
  --success:#307b63;
  --error:#b53e39;
  --muted:#657078;
  --shadow:0 22px 70px rgba(21,36,58,.12);
  --shadow-soft:0 12px 34px rgba(21,36,58,.08);
  --radius:1.45rem;
  --max:1200px;
}

html{background:var(--paper)}
body{
  background:
    radial-gradient(circle at 5% 2%,rgba(201,216,122,.22),transparent 27rem),
    radial-gradient(circle at 94% 18%,rgba(135,174,190,.18),transparent 32rem),
    var(--paper);
  color:var(--ink);
  letter-spacing:-.008em;
}

::selection{background:var(--mustard);color:var(--ink)}

.nav{
  width:min(calc(100% - 2rem),1260px);
  height:70px;
  margin:14px auto 0;
  padding:0 .75rem 0 .9rem;
  border:1px solid rgba(21,36,58,.14);
  border-radius:1.15rem;
  background:rgba(255,252,246,.88);
  box-shadow:0 8px 30px rgba(21,36,58,.07);
  backdrop-filter:blur(16px);
  position:sticky;
  top:12px;
  z-index:50;
}

.brand{font-size:1.05rem;letter-spacing:-.04em}
.brand img{border-radius:13px;box-shadow:0 5px 14px rgba(21,36,58,.16)}
.nav-links{gap:.3rem}
.nav-links a{
  padding:.62rem .78rem;
  border-radius:.7rem;
  font-size:.86rem;
  transition:background .18s ease,color .18s ease;
}
.nav-links a:hover{background:#eee9df;color:var(--ink)}
.nav-links .nav-cta{
  margin-left:.35rem;
  background:var(--ink);
  color:white;
  padding-inline:1rem;
}
.nav-links .nav-cta:hover{background:var(--wine);color:white}

.home-hero{
  width:min(calc(100% - 2rem),1260px);
  min-height:720px;
  margin:18px auto 0;
  padding:clamp(3rem,6vw,5.6rem);
  grid-template-columns:minmax(0,1.05fr) minmax(430px,.95fr);
  gap:clamp(2.5rem,5vw,5rem);
  border:1px solid rgba(21,36,58,.12);
  border-radius:2.2rem;
  background:rgba(255,252,246,.72);
  box-shadow:0 1px 0 rgba(255,255,255,.9) inset;
  overflow:hidden;
  position:relative;
  isolation:isolate;
}
.home-hero:before{
  content:"";
  width:25rem;
  height:25rem;
  border:1px solid rgba(21,36,58,.08);
  border-radius:50%;
  position:absolute;
  right:-9rem;
  top:-11rem;
  box-shadow:0 0 0 4rem rgba(201,216,122,.08),0 0 0 9rem rgba(135,174,190,.05);
  z-index:-1;
}
.hero-copy{position:relative;z-index:3}
.eyebrow{
  color:var(--wine);
  font-size:.7rem;
  letter-spacing:.18em;
  display:flex;
  align-items:center;
  gap:.7rem;
}
.eyebrow:before{content:"";width:1.8rem;height:2px;background:currentColor;flex:0 0 auto}
.home-hero h1,.page-hero h1,.not-found h1{
  font-family:Georgia,"Times New Roman",serif;
  color:var(--ink);
  font-size:clamp(3.8rem,6.6vw,7.1rem);
  line-height:.9;
  letter-spacing:-.068em;
}
.home-hero h1 em{color:var(--wine);font-style:italic}
.hero-copy .lead{max-width:610px;font-size:1.18rem;color:#4c5964;line-height:1.65}
.button{
  border-radius:.8rem;
  min-height:48px;
  padding:.82rem 1.1rem;
  gap:.7rem;
  box-shadow:none;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.button:hover{transform:translateY(-2px)}
.button.primary{background:var(--wine);border-color:var(--wine);box-shadow:0 9px 24px rgba(194,71,63,.24)}
.button.primary:hover{background:#a83832;box-shadow:0 12px 28px rgba(194,71,63,.3)}
.text-link{border-bottom:0;display:inline-flex;gap:.5rem;align-items:center}
.text-link span{color:var(--wine);transition:transform .18s ease}
.text-link:hover span{transform:translateX(3px)}
.micro{display:flex;align-items:center;gap:.6rem;color:#6c747a}
.micro:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(48,123,99,.12)}
.hero-topics{
  display:flex;
  flex-wrap:wrap;
  gap:.45rem;
  margin-top:1.6rem;
}
.hero-topics a{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  padding:.48rem .7rem;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.5);
  font-size:.76rem;
  font-weight:750;
  text-decoration:none;
}
.hero-topics b{color:var(--wine);font-size:.65rem}

.visual-stage{
  min-width:0;
  padding:1.2rem;
  border-radius:1.8rem;
  background:var(--ink);
  color:white;
  position:relative;
  box-shadow:var(--shadow);
}
.stage-kicker{
  margin:0;
  padding:.3rem .3rem 1rem;
  color:#dce2e6;
  text-transform:uppercase;
  letter-spacing:.16em;
  font-size:.66rem;
  font-weight:800;
}
.cover-stack{height:465px;position:relative;border-radius:1.2rem;overflow:hidden;background:#203049}
.cover-stack:after{
  content:"NV / 01";
  position:absolute;
  right:1rem;
  top:1rem;
  z-index:5;
  padding:.35rem .5rem;
  border:1px solid rgba(255,255,255,.35);
  border-radius:999px;
  font-size:.56rem;
  letter-spacing:.12em;
}
.cover-card{
  width:67%;
  padding:1.65rem;
  border-radius:1rem;
  box-shadow:0 24px 55px rgba(5,12,24,.28);
  border:1px solid rgba(255,255,255,.2);
}
.cover-card strong{font-size:clamp(2.45rem,4vw,4.15rem);line-height:.86}
.cover-a{background:#31566a;left:-5%;top:7%;transform:rotate(-6deg)}
.cover-b{background:var(--wine);right:-7%;top:17%;transform:rotate(6deg)}
.cover-c{background:var(--mustard);left:14%;bottom:-10%;transform:rotate(-1deg)}
.stage-caption{display:flex;justify-content:space-between;gap:1rem;margin:1rem .3rem .2rem;font-size:.75rem}
.stage-caption b{color:var(--mustard)}
.stage-caption span{color:#b8c2ca;text-align:right}

.signal-strip{
  width:min(calc(100% - 2rem),1200px);
  margin:1rem auto 0;
  padding:0;
  background:transparent;
  border:0;
  gap:.7rem;
}
.signal-strip a{
  min-height:108px;
  padding:1.15rem 1.25rem;
  border:1px solid rgba(21,36,58,.13);
  border-radius:1.1rem;
  background:rgba(255,252,246,.82);
  color:var(--ink);
  display:grid;
  grid-template-columns:auto 1fr;
  column-gap:.9rem;
  align-content:center;
  text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease;
}
.signal-strip a:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft)}
.signal-strip b{grid-row:1/3;color:var(--wine);font:500 2rem/1 Georgia,serif}
.signal-strip span{padding:0;border:0;text-align:left;font-size:.78rem;font-weight:850;letter-spacing:.06em}
.signal-strip i{font-style:normal;color:var(--muted);font-size:.74rem}

.home-section{padding:7.5rem 0}
.home-section.split{gap:7rem;align-items:start}
.home-section h2,.editorial-demo h2,.page-main h2{font-size:clamp(2.4rem,4.3vw,4.5rem);letter-spacing:-.057em}
.numbered{border:0;display:grid;gap:.65rem}
.numbered li{
  grid-template-columns:3rem 1fr;
  padding:1.25rem;
  border:1px solid var(--line);
  border-radius:1rem;
  background:rgba(255,252,246,.72);
  transition:transform .18s ease,border-color .18s ease;
}
.numbered li:hover{transform:translateX(6px);border-color:var(--blue)}
.numbered li:before{font:500 1.6rem/1 Georgia,serif;color:var(--wine)}
.numbered b{font-size:1.02rem}
.numbered span{margin-top:.12rem}

.section-heading{margin-bottom:2.6rem}
.section-heading>div{max-width:760px}
.card-grid{grid-template-columns:repeat(12,1fr);gap:.8rem}
.mini-card{
  grid-column:span 4;
  min-height:300px;
  padding:1.7rem;
  border:1px solid rgba(21,36,58,.13);
  border-radius:1.3rem;
  background:rgba(255,252,246,.82);
  box-shadow:0 1px 0 white inset;
  overflow:hidden;
  position:relative;
}
.mini-card:after{
  content:"↗";
  position:absolute;
  right:1.25rem;
  top:1.1rem;
  width:2rem;
  height:2rem;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--wine);
}
.mini-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-soft);border-color:rgba(21,36,58,.25)}
.mini-card:nth-child(1){grid-column:span 5;background:var(--ink);color:white}
.mini-card:nth-child(1) p{color:#bec9d1}
.mini-card:nth-child(1):after{border-color:rgba(255,255,255,.25);color:var(--mustard)}
.mini-card:nth-child(2){grid-column:span 3;background:#dbe8ec}
.mini-card:nth-child(3){grid-column:span 4;background:#fff7e7}
.mini-card h3{margin:3.8rem 0 .8rem;font-size:1.9rem}

.editorial-demo{
  width:min(calc(100% - 2rem),1260px);
  margin:1rem auto 2rem;
  padding:clamp(3rem,6vw,6rem);
  grid-template-columns:1.12fr .88fr;
  border-radius:2rem;
  background:
    linear-gradient(135deg,rgba(255,255,255,.04),transparent 50%),
    var(--ink);
  overflow:hidden;
  position:relative;
}
.editorial-demo:after{
  content:"CASO / 01";
  position:absolute;
  right:-1.8rem;
  top:2rem;
  color:rgba(255,255,255,.08);
  font:700 5.8rem/1 Georgia,serif;
  letter-spacing:-.06em;
}
.editorial-demo .eyebrow{color:var(--mustard)}
.editorial-demo h2{max-width:720px}
.editorial-demo blockquote{
  border:0;
  border-radius:1.2rem;
  background:var(--wine);
  box-shadow:18px 18px 0 var(--mustard);
  transform:rotate(1.5deg);
  position:relative;
  z-index:2;
}
.editorial-demo blockquote p{font-size:1.55rem}

.principles{gap:.8rem;padding-top:3rem}
.principles article{
  border:1px solid var(--line);
  border-top:0;
  border-radius:1.2rem;
  padding:1.65rem;
  background:rgba(255,252,246,.72);
  position:relative;
}
.principles article:before{content:"";position:absolute;left:1.65rem;right:1.65rem;top:0;height:4px;border-radius:4px;background:var(--ink)}
.principles article:nth-child(2):before{background:var(--wine)}
.principles article:nth-child(3):before{background:var(--blue)}

.page-main{width:min(calc(100% - 2rem),1200px)}
.breadcrumbs{padding:1.4rem .2rem;font-size:.74rem}
.breadcrumbs a:hover{color:var(--wine)}
.page-hero{
  margin-top:.25rem;
  padding:clamp(3rem,6vw,5.8rem);
  border:1px solid rgba(21,36,58,.12);
  border-radius:2rem;
  background:
    radial-gradient(circle at 94% 12%,rgba(201,216,122,.6),transparent 14rem),
    linear-gradient(135deg,#fffdf8 0%,#edf1ed 100%);
  overflow:hidden;
  position:relative;
}
.page-hero:after{
  content:"";
  width:10rem;
  height:10rem;
  border:1px solid rgba(21,36,58,.13);
  border-radius:50%;
  position:absolute;
  right:3rem;
  bottom:-6rem;
}
.page-hero h1{font-size:clamp(3.25rem,6vw,6.4rem);max-width:950px;position:relative;z-index:1}
.page-hero .lead{max-width:760px;position:relative;z-index:1}
.hub-hero{grid-template-columns:1fr 190px}
.index-note{border:0;padding:1.2rem;border-radius:1.2rem;background:var(--ink);color:white;align-self:stretch;justify-content:center;position:relative;z-index:2}
.index-note b{color:var(--mustard);font-size:5rem}
.index-note span{color:#d3dbe1}

.index-grid{
  grid-template-columns:repeat(3,1fr);
  gap:.75rem;
  background:transparent;
  border:0;
  margin-top:1rem;
  padding:3rem 0;
}
.index-card{
  min-height:295px;
  padding:1.6rem;
  border:1px solid rgba(21,36,58,.13);
  border-radius:1.2rem;
  background:rgba(255,252,246,.78);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.index-card:hover{background:white;transform:translateY(-5px);box-shadow:var(--shadow-soft)}
.index-card:nth-child(6n+1){background:#e6eff1}
.index-card:nth-child(6n+4){background:#fff5de}
.index-card>span{font-size:.66rem;letter-spacing:.1em}
.index-card h2{font-size:1.8rem}
.index-card>b{color:var(--wine)}

.tool-shell{
  margin:1.25rem 0 4.5rem;
  padding:.7rem;
  gap:.7rem;
  border:1px solid rgba(21,36,58,.14);
  border-radius:1.6rem;
  background:rgba(255,252,246,.84);
  box-shadow:var(--shadow);
}
.tool-form{padding:1.8rem}
.tool-output{background:var(--ink);border-radius:1.1rem;padding:1.8rem;min-height:440px}
.form-grid{gap:1.15rem}
.form-grid label,.form-grid legend{font-size:.74rem;letter-spacing:.03em;color:#344255}
.form-grid input,.form-grid select,.form-grid textarea{
  border:1px solid #cfd1cf;
  border-radius:.8rem;
  padding:.85rem .9rem;
  background:#fffefa;
  transition:border .18s ease,box-shadow .18s ease;
}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px rgba(135,174,190,.2)}
.form-grid fieldset{border-radius:.9rem;background:#f7f3ec}
.output-actions{padding:0 1.8rem 1.2rem}
.output-actions .button{border-color:rgba(255,255,255,.35)}
.empty-state:before{content:"N";margin:0 auto 1rem;width:3.3rem;height:3.3rem;display:grid;place-items:center;border:1px solid rgba(255,255,255,.22);border-radius:1rem;color:var(--mustard);font:500 1.6rem Georgia,serif}
.result-card{border-radius:.8rem;background:rgba(255,255,255,.04)}
.metric{border-radius:.8rem;background:rgba(255,255,255,.09)}

.article-layout{grid-template-columns:minmax(0,760px) 280px;gap:6rem;margin-top:5rem}
.prose-section{padding-bottom:3.2rem;margin-bottom:3.2rem}
.prose-section h2{font-size:clamp(2.1rem,3.5vw,3.2rem)}
.prose-section p,.prose-section li{color:#354453}
.check-list li{border-color:var(--line);padding-block:.8rem}
.check-list li:before{content:"✓";width:1.25rem;height:1.25rem;display:grid;place-items:center;border-radius:50%;background:var(--mustard);color:var(--ink);font-size:.7rem;top:.9rem}
.callout,.exercise{border:0;border-radius:1rem;background:#e4ecee;padding:1.5rem}
.article-aside{
  top:6.5rem;
  border:1px solid var(--line);
  border-top:0;
  border-radius:1rem;
  padding:1.4rem;
  background:rgba(255,252,246,.82);
  box-shadow:var(--shadow-soft);
}
.article-aside:before{content:"";display:block;height:4px;border-radius:4px;background:var(--wine);margin:-1.4rem 0 1.4rem}
.choice-card{border-radius:1.2rem;background:var(--ink)}
.simulation-label{border-radius:999px;background:var(--mustard)}
.article-body details{padding:1.2rem 0}
.article-body summary{list-style:none;display:flex;justify-content:space-between;gap:1rem}
.article-body summary:after{content:"+";color:var(--wine);font-size:1.2rem}
.article-body details[open] summary:after{content:"−"}
.related{padding-bottom:7rem}

.site-footer{
  width:min(calc(100% - 2rem),1260px);
  margin:0 auto 1rem;
  padding:4.5rem clamp(1.5rem,5vw,4rem) 1.5rem;
  border-radius:2rem;
  background:var(--ink);
  box-shadow:var(--shadow);
}
.site-footer h2{color:var(--mustard)}
.footer-bottom{border-color:rgba(255,255,255,.14)}

.not-found{padding:9rem 0}

@media(max-width:1050px){
  .nav-links a:not(.nav-cta){padding-inline:.55rem}
  .home-hero{grid-template-columns:1fr 420px;padding:3.5rem;gap:2.5rem}
  .home-hero h1{font-size:clamp(3.8rem,7vw,5.8rem)}
  .article-layout{gap:3.5rem}
}

@media(max-width:900px){
  .nav-links .nav-cta{display:none}
  .home-hero{grid-template-columns:1fr;padding:4rem;gap:3rem}
  .visual-stage{max-width:620px;width:100%}
  .cover-stack{height:500px}
  .home-section.split{gap:3rem}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .mini-card,.mini-card:nth-child(1),.mini-card:nth-child(2),.mini-card:nth-child(3){grid-column:auto}
  .mini-card:nth-child(1){grid-column:1/-1}
  .index-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:1fr}
  .article-aside{position:static;max-width:600px}
}

@media(max-width:680px){
  .nav{height:64px;margin-top:8px;top:8px;border-radius:1rem}
  .brand img{width:38px;height:38px}
  .menu-toggle{border:0;background:var(--ink);color:white;border-radius:.7rem;padding:.52rem .8rem}
  .nav-links{top:70px;border-radius:1rem;padding:.7rem;background:var(--card)}
  .nav-links .nav-cta{display:block;margin-left:0;text-align:center}
  .home-hero{width:calc(100% - 1rem);margin-top:8px;padding:2.1rem 1.2rem 1.2rem;border-radius:1.45rem;gap:2.5rem}
  .home-hero h1,.page-hero h1{font-size:clamp(3rem,14vw,4.2rem);line-height:.92}
  .hero-copy .lead{font-size:1rem}
  .hero-actions{gap:.6rem;margin-top:1.4rem}
  .hero-actions .button{width:100%}
  .hero-actions .text-link{padding:.7rem .2rem}
  .hero-topics{display:grid;grid-template-columns:1fr 1fr}
  .hero-topics a:last-child{grid-column:1/-1}
  .visual-stage{padding:.75rem;border-radius:1.25rem}
  .stage-kicker{padding:.3rem .2rem .75rem}
  .cover-stack{height:340px;border-radius:.85rem}
  .cover-card{padding:1rem;width:72%;border-radius:.75rem}
  .cover-card strong{font-size:2.2rem}
  .stage-caption{display:grid}
  .stage-caption span{text-align:left}
  .signal-strip{width:calc(100% - 1rem);grid-template-columns:1fr;gap:.45rem}
  .signal-strip a{min-height:86px}
  .home-section{padding:5rem 0}
  .home-section h2,.editorial-demo h2,.page-main h2{font-size:clamp(2.3rem,11vw,3.4rem)}
  .home-section.split{gap:2.5rem}
  .card-grid{grid-template-columns:1fr}
  .mini-card,.mini-card:nth-child(1){grid-column:auto;min-height:240px}
  .editorial-demo{width:calc(100% - 1rem);padding:2rem 1.2rem 3rem;border-radius:1.45rem;gap:3rem}
  .editorial-demo:after{display:none}
  .editorial-demo blockquote{box-shadow:8px 8px 0 var(--mustard)}
  .principles{gap:.55rem}
  .page-main{width:calc(100% - 1rem)}
  .page-hero{padding:2.4rem 1.2rem;border-radius:1.35rem}
  .page-hero:after{right:-4rem}
  .index-grid{grid-template-columns:1fr;padding-top:1.5rem}
  .index-card{min-height:240px}
  .tool-shell{margin-inline:0;border-radius:1.2rem;padding:.45rem}
  .tool-form,.tool-output{padding:1.1rem}
  .article-layout{margin-top:3.5rem}
  .site-footer{width:calc(100% - 1rem);border-radius:1.45rem;margin-bottom:.5rem}
}

@media(prefers-reduced-motion:reduce){
  .button:hover,.signal-strip a:hover,.mini-card:hover,.index-card:hover,.numbered li:hover{transform:none}
}