/* ==========================================================================
   Pondera — Analytic Ledger Clarity
   Estilo: gris oscuro / blanco / verde acento, serif para títulos, sans para texto
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lora:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --color-bg:#ffffff;
  --color-bg-alt:#f4f5f6;
  --color-bg-dark:#20242a;
  --color-dark:#20242a;
  --color-dark-2:#2c3138;
  --color-text:#252a2f;
  --color-text-muted:#5b636b;
  --color-border:#dde1e4;
  --color-accent:#286b4a;
  --color-accent-dark:#1d5138;
  --color-accent-tint:#e7f0ea;
  --color-white:#ffffff;

  --font-heading:'Lora', Georgia, serif;
  --font-body:'Inter', Arial, sans-serif;

  --radius-sm:2px;
  --radius-md:4px;
  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--color-text);
  background:var(--color-bg);
  line-height:1.6;
  font-size:16px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--color-accent);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{
  font-family:var(--font-heading);
  color:var(--color-dark);
  line-height:1.25;
  margin:0 0 .6em;
  font-weight:600;
}
h1{font-size:2.6rem;}
h2{font-size:1.9rem;}
h3{font-size:1.35rem;}
p{margin:0 0 1.1em;color:var(--color-text);}
ul{margin:0 0 1.1em;padding-left:1.2em;}
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:64px 0;}
.section-alt{background:var(--color-bg-alt);}
.section-dark{background:var(--color-dark);color:#cfd4d8;}
.section-dark h2,.section-dark h3{color:#fff;}
.eyebrow{
  display:block;
  font-family:var(--font-body);
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--color-accent);
  font-weight:600;
  margin-bottom:.7em;
}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.lede{font-size:1.1rem;color:var(--color-text-muted);}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:var(--font-body);
  font-weight:600;
  font-size:.95rem;
  padding:13px 26px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary{background:var(--color-accent);color:#fff;}
.btn-primary:hover{background:var(--color-accent-dark);text-decoration:none;}
.btn-outline{background:transparent;border-color:var(--color-border);color:var(--color-dark);}
.btn-outline:hover{border-color:var(--color-accent);color:var(--color-accent);text-decoration:none;}
.btn-outline-light{background:transparent;border-color:#4a5158;color:#fff;}
.btn-outline-light:hover{border-color:#fff;text-decoration:none;}
.btn-sm{padding:8px 16px;font-size:.85rem;}
.btn-block{width:100%;justify-content:center;}

.icon{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;}
.icon-lg{width:28px;height:28px;}

/* Header */
.site-header{
  border-bottom:1px solid var(--color-border);
  background:#fff;
  position:sticky;
  top:0;
  z-index:50;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 24px;
  gap:24px;
}
.logo{
  font-family:var(--font-heading);
  font-size:1.5rem;
  font-weight:700;
  color:var(--color-dark);
  letter-spacing:-.01em;
}
.logo:hover{text-decoration:none;}
.logo-mark{color:var(--color-accent);}
.main-nav ul{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0;
  padding:0;
  list-style:none;
}
.main-nav > ul > li{position:relative;}
.main-nav > ul > li > a,
.main-nav .dropdown-toggle{
  display:flex;
  align-items:center;
  gap:4px;
  padding:10px 14px;
  font-size:.94rem;
  font-weight:500;
  color:var(--color-text);
  background:none;
  border:none;
  cursor:pointer;
  font-family:var(--font-body);
}
.main-nav a:hover,.main-nav .dropdown-toggle:hover{color:var(--color-accent);text-decoration:none;}
.nav-cta{
  background:var(--color-accent);
  color:#fff !important;
  border-radius:var(--radius-sm);
  padding:10px 18px !important;
}
.nav-cta:hover{background:var(--color-accent-dark);color:#fff !important;}
.icon-chevron{width:12px;height:12px;transition:transform .15s ease;}
.has-dropdown.open .icon-chevron{transform:rotate(180deg);}
.dropdown{
  position:absolute;
  top:100%;
  left:0;
  min-width:270px;
  background:#fff;
  border:1px solid var(--color-border);
  box-shadow:0 12px 28px rgba(32,36,42,.08);
  list-style:none;
  padding:8px;
  margin:6px 0 0;
  display:none;
  z-index:60;
}
.has-dropdown.open .dropdown{display:block;}
.dropdown li a{
  display:block;
  padding:10px 12px;
  font-size:.92rem;
  color:var(--color-text);
  border-radius:var(--radius-sm);
}
.dropdown li a:hover{background:var(--color-bg-alt);color:var(--color-accent);text-decoration:none;}
.menu-toggle{
  display:none;
  background:none;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  padding:8px;
  cursor:pointer;
}

/* Hero */
.hero{
  padding:72px 0 64px;
  border-bottom:1px solid var(--color-border);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
}
.hero h1{margin-bottom:.5em;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero-media img{border-radius:var(--radius-md);border:1px solid var(--color-border);}
.page-header{
  padding:56px 0 48px;
  border-bottom:1px solid var(--color-border);
  background:var(--color-bg-alt);
}
.page-header .lede{max-width:720px;}
.breadcrumbs{font-size:.82rem;color:var(--color-text-muted);margin-bottom:16px;}
.breadcrumbs a{color:var(--color-text-muted);}
.breadcrumbs span{margin:0 6px;}

/* Grid / cards */
.grid{display:grid;gap:28px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  padding:28px;
}
.card h3{margin-bottom:.5em;}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.88rem;
  font-weight:600;
  margin-top:10px;
}
.card-media{margin:-28px -28px 20px;overflow:hidden;border-radius:var(--radius-md) var(--radius-md) 0 0;}
.card-media img{border-radius:0;}
.tag{
  display:inline-block;
  font-size:.72rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  font-weight:600;
  color:var(--color-accent);
  background:var(--color-accent-tint);
  padding:5px 10px;
  border-radius:var(--radius-sm);
  margin-bottom:12px;
}

/* Data / ledger table */
.data-table-wrap{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius-md);}
table.data-table{width:100%;border-collapse:collapse;font-size:.92rem;}
table.data-table caption{text-align:left;padding:14px 18px;font-weight:600;background:var(--color-bg-alt);border-bottom:1px solid var(--color-border);font-family:var(--font-heading);}
table.data-table th,table.data-table td{padding:13px 18px;border-bottom:1px solid var(--color-border);text-align:left;vertical-align:top;}
table.data-table thead th{background:var(--color-dark);color:#fff;font-weight:600;}
table.data-table tbody tr:nth-child(even){background:var(--color-bg-alt);}
table.data-table tbody tr:last-child td{border-bottom:none;}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--color-border);border:1px solid var(--color-border);}
.stat{background:#fff;padding:26px 22px;}
.stat .num{font-family:var(--font-heading);font-size:2.1rem;color:var(--color-accent);display:block;}
.stat .label{font-size:.85rem;color:var(--color-text-muted);}

/* Team */
.team-card img{border-radius:var(--radius-md) var(--radius-md) 0 0;}
.team-card .card-body{padding:22px 4px 4px;}
.role{color:var(--color-accent);font-size:.85rem;font-weight:600;margin-bottom:8px;display:block;}

/* Timeline */
.timeline{border-left:2px solid var(--color-border);padding-left:26px;margin-left:6px;}
.timeline-item{position:relative;margin-bottom:32px;}
.timeline-item::before{
  content:'';
  position:absolute;
  left:-33px;
  top:4px;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--color-accent);
  border:2px solid #fff;
}
.timeline-year{font-family:var(--font-heading);color:var(--color-accent);font-weight:600;}

/* Steps */
.steps{list-style:none;padding:0;margin:0;counter-reset:step;}
.steps li{
  counter-increment:step;
  position:relative;
  padding:0 0 26px 52px;
  border-left:1px solid var(--color-border);
  margin-left:16px;
}
.steps li:last-child{border-color:transparent;}
.steps li::before{
  content:counter(step, decimal-leading-zero);
  position:absolute;
  left:-16px;
  top:0;
  width:32px;height:32px;
  border-radius:50%;
  background:var(--color-dark);
  color:#fff;
  font-family:var(--font-heading);
  font-size:.78rem;
  display:flex;align-items:center;justify-content:center;
}
.steps li h3{margin-bottom:.3em;}

/* Content layout */
.content-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.content-split.reverse .content-media{order:2;}
.content-media img{border-radius:var(--radius-md);border:1px solid var(--color-border);}
article.prose h2{margin-top:1.6em;}
article.prose h3{margin-top:1.3em;}
article.prose p{max-width:760px;}
article.prose blockquote{
  border-left:3px solid var(--color-accent);
  margin:1.6em 0;
  padding:.4em 0 .4em 22px;
  font-family:var(--font-heading);
  font-size:1.15rem;
  color:var(--color-dark);
}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--color-text-muted);font-size:.86rem;margin-bottom:24px;}
.article-meta span{display:flex;align-items:center;gap:6px;}
.author-box{
  display:flex;
  gap:16px;
  background:var(--color-bg-alt);
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  padding:22px;
  margin-top:40px;
}
.author-box h4{margin-bottom:.2em;}

/* Glossary */
.glossary dt{font-family:var(--font-heading);font-weight:600;color:var(--color-dark);font-size:1.05rem;margin-top:1.4em;}
.glossary dd{margin:.3em 0 0;color:var(--color-text-muted);}

/* FAQ accordion */
.accordion-item{border-bottom:1px solid var(--color-border);}
.accordion-trigger{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:none;
  border:none;
  text-align:left;
  padding:20px 0;
  font-family:var(--font-heading);
  font-size:1.05rem;
  color:var(--color-dark);
  cursor:pointer;
}
.accordion-trigger .icon-plus{transition:transform .2s ease;}
.accordion-item.open .icon-plus{transform:rotate(45deg);}
.accordion-panel{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.accordion-item.open .accordion-panel{max-height:600px;}
.accordion-panel-inner{padding:0 0 20px;color:var(--color-text-muted);}

/* Forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-field{margin-bottom:20px;display:flex;flex-direction:column;gap:6px;}
.form-field.full{grid-column:1/-1;}
label{font-size:.88rem;font-weight:600;color:var(--color-dark);}
input,select,textarea{
  font-family:var(--font-body);
  font-size:.95rem;
  padding:12px 14px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  background:#fff;
  color:var(--color-text);
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--color-accent);outline-offset:1px;}
textarea{resize:vertical;min-height:140px;}
.form-note{font-size:.82rem;color:var(--color-text-muted);}
.form-success{
  display:none;
  align-items:center;
  gap:10px;
  background:var(--color-accent-tint);
  border:1px solid var(--color-accent);
  color:var(--color-accent-dark);
  padding:16px 18px;
  border-radius:var(--radius-sm);
  margin-bottom:22px;
  font-weight:600;
}
.form-success.visible{display:flex;}
.form-error{color:#a4302a;font-size:.8rem;margin-top:2px;display:none;}
.form-field.invalid input,.form-field.invalid textarea,.form-field.invalid select{border-color:#a4302a;}
.form-field.invalid .form-error{display:block;}

/* Contact info list */
.contact-info-list{list-style:none;padding:0;margin:0 0 24px;}
.contact-info-list li{display:flex;gap:12px;margin-bottom:16px;color:var(--color-text-muted);}
.contact-info-list .icon{color:var(--color-accent);margin-top:2px;}

/* Filter buttons */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px;}
.filter-btn{
  padding:8px 16px;
  border:1px solid var(--color-border);
  background:#fff;
  border-radius:20px;
  font-size:.86rem;
  font-weight:600;
  cursor:pointer;
  color:var(--color-text-muted);
}
.filter-btn.active{background:var(--color-dark);color:#fff;border-color:var(--color-dark);}
.pub-card{display:none;}
.pub-card.show{display:flex;}

/* Footer */
.site-footer{background:var(--color-dark);color:#a9b0b6;padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:40px;}
.footer-col h3{color:#fff;font-size:1rem;margin-bottom:1em;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#a9b0b6;font-size:.92rem;}
.footer-col a:hover{color:#fff;}
.logo-footer{color:#fff;display:inline-block;margin-bottom:14px;}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;}
.footer-bottom{
  border-top:1px solid #383e45;
  padding:20px 24px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:.82rem;
}
.footer-legal{display:flex;gap:20px;list-style:none;padding:0;margin:0;flex-wrap:wrap;}
.footer-legal a{color:#a9b0b6;}

/* Cookie banner */
.cookie-banner{
  position:fixed;
  bottom:0;left:0;right:0;
  background:var(--color-dark);
  color:#dfe3e6;
  padding:18px 24px;
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  z-index:100;
  border-top:1px solid #3a4048;
}
.cookie-banner.visible{display:flex;}
.cookie-banner p{margin:0;font-size:.85rem;max-width:760px;color:#c7ccd0;}
.cookie-banner a{color:#8fd0aa;}
.cookie-actions{display:flex;gap:10px;flex-shrink:0;}

/* CTA band */
.cta-band{
  background:var(--color-dark);
  color:#fff;
  padding:56px 0;
  border-radius:var(--radius-md);
  text-align:center;
}
.cta-band h2{color:#fff;}
.cta-band p{color:#c7ccd0;max-width:560px;margin:0 auto 24px;}

/* Utilities */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.mb-0{margin-bottom:0;}

/* Responsive */
@media (max-width:960px){
  .hero-grid,.content-split,.content-split.reverse .content-media{grid-template-columns:1fr;}
  .content-split.reverse .content-media{order:0;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:760px){
  h1{font-size:2rem;}
  h2{font-size:1.55rem;}
  .menu-toggle{display:block;}
  .main-nav{
    position:absolute;
    top:100%;left:0;right:0;
    background:#fff;
    border-bottom:1px solid var(--color-border);
    display:none;
    max-height:80vh;
    overflow-y:auto;
  }
  .main-nav.open{display:block;}
  .main-nav ul{flex-direction:column;align-items:stretch;padding:12px 0;}
  .main-nav > ul > li{width:100%;}
  .dropdown{position:static;box-shadow:none;border:none;padding-left:14px;}
  .header-inner{position:relative;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}