:root{
    --forest-900:#122619;
    --forest-700:#25543A;
    --forest-600:#316B49;
    --sage-400:#8AA491;
    --paper-50:#EEEBDF;
    --paper-25:#F6F4EA;
    --gold-600:#A8823D;
    --gold-700:#8C6B2E;
    --ink-900:#1B1E1A;
    --ink-600:#4B5148;
    --rule:rgba(27,30,26,0.14);
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--paper-25);
    color:var(--ink-900);
    font-family:'IBM Plex Sans', sans-serif;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{
    font-family:'Source Serif 4', serif;
    font-weight:600;
    color:var(--forest-900);
    letter-spacing:-0.01em;
  }
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  .mono{font-family:'IBM Plex Mono', monospace;}
  .wrap{max-width:1180px; margin:0 auto; padding:0 32px;}
  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:12.5px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--gold-700);
    display:flex; align-items:center; gap:10px;
  }
  .eyebrow::before{content:""; width:22px; height:1px; background:var(--gold-700); display:inline-block;}
  :focus-visible{outline:2px solid var(--gold-600); outline-offset:3px;}

  /* ===== Site links (menú de páginas) ===== */
  .useful-links{
    list-style:none;
    display:flex;
    gap:30px;
    flex-wrap:wrap;
  }
  .useful-links a{
    font-size:14.5px;
    font-weight:500;
    color:var(--ink-900);
    padding-bottom:4px;
    border-bottom:1px solid transparent;
  }
  .useful-links a:hover,
  .useful-links a[aria-current="page"]{
    border-color:var(--gold-600);
    color:var(--forest-700);
  }

  /* ===== Utility bar ===== */
  .utility{
    background:var(--forest-900);
    color:var(--paper-50);
    font-family:'IBM Plex Mono', monospace;
    font-size:12px;
    letter-spacing:0.03em;
  }
  .utility .wrap{
    display:flex; justify-content:space-between; align-items:center;
    padding-top:8px; padding-bottom:8px;
    flex-wrap:wrap; gap:6px;
  }
  .utility a{opacity:.85;}
  .utility a:hover{opacity:1; text-decoration:underline;}

  /* ===== Header ===== */
  header{
    background:var(--paper-25);
    border-bottom:1px solid var(--rule);
    position:sticky; top:0; z-index:50;
  }
  header .wrap{
    display:flex; align-items:center; justify-content:space-between;
    padding-top:18px; padding-bottom:18px;
  }
  .brand{display:flex; align-items:center; gap:14px;}
  .brand-logo{height:56px; width:auto;}
  .nav-toggle{display:none; background:none; border:1px solid var(--rule); border-radius:6px; padding:8px 10px; font-size:20px; color:var(--forest-900);}

  /* ===== Carousel (banner principal) ===== */
  .carousel{
    position:relative;
    overflow:hidden;
    background:var(--forest-900);
    color:var(--paper-50);
  }
  .carousel-track{
    position:relative;
    min-height:560px;
  }
  .slide{
    position:absolute;
    inset:0;
    display:flex;
    align-items:center;
    background:linear-gradient(180deg, var(--forest-900) 0%, var(--forest-700) 100%);
    opacity:0;
    visibility:hidden;
    transition:opacity 700ms ease;
  }
  .slide.is-active{
    opacity:1;
    visibility:visible;
    position:relative;
  }
  .slide-art{
    position:absolute;
    right:-40px; top:50%; transform:translateY(-50%);
    width:440px; height:440px;
    opacity:0.9;
    pointer-events:none;
  }
  .slide-content{
    position:relative;
    z-index:2;
    padding-top:96px; padding-bottom:96px;
    max-width:640px;
  }
  .slide .eyebrow{color:#D8C58C;}
  .slide .eyebrow::before{background:#D8C58C;}
  .slide h1{
    color:var(--paper-50);
    font-size:clamp(32px,4.2vw,50px);
    line-height:1.1;
    margin-top:18px;
  }
  .slide .lede{
    margin-top:22px; max-width:46ch; font-size:17px; color:#D7E0D6;
  }
  .slide .cta-row{display:flex; gap:14px; margin-top:34px; flex-wrap:wrap;}
  .btn{
    display:inline-flex; align-items:center; gap:8px;
    padding:13px 22px; font-size:14.5px; font-weight:600;
    border-radius:2px; border:1px solid transparent; cursor:pointer;
  }
  .btn-primary{background:var(--gold-600); color:var(--forest-900);}
  .btn-primary:hover{background:#BC964F;}
  .btn-ghost{border-color:rgba(246,244,234,0.4); color:var(--paper-50);}
  .btn-ghost:hover{border-color:var(--paper-50); background:rgba(246,244,234,0.08);}

  .carousel-arrow{
    position:absolute; top:50%; transform:translateY(-50%);
    width:44px; height:44px; z-index:3;
    background:rgba(18,38,25,0.55);
    border:1px solid rgba(246,244,234,0.35);
    color:var(--paper-50);
    font-size:24px; line-height:1;
    cursor:pointer; border-radius:2px;
  }
  .carousel-arrow:hover{background:rgba(18,38,25,0.8); border-color:var(--paper-50);}
  .carousel-arrow.prev{left:24px;}
  .carousel-arrow.next{right:24px;}

  .carousel-dots{
    position:absolute; left:50%; bottom:28px; transform:translateX(-50%);
    display:flex; gap:10px; z-index:3;
  }
  .dot{
    width:9px; height:9px; border-radius:50%;
    background:rgba(246,244,234,0.35);
    border:1px solid rgba(246,244,234,0.5);
    cursor:pointer; padding:0;
  }
  .dot.is-active{background:var(--gold-600); border-color:var(--gold-600);}

  /* ===== Stats strip ===== */
  .stats-strip{
    background:var(--paper-50);
    border-bottom:1px solid var(--rule);
  }
  .stats-strip .wrap{
    display:grid; grid-template-columns:repeat(4,1fr);
    padding-top:32px; padding-bottom:32px;
  }
  .stat-item{
    padding:0 24px;
    border-left:1px solid var(--rule);
  }
  .stat-item:first-child{border-left:none; padding-left:0;}
  .stat-item .stat{font-family:'Source Serif 4', serif; font-size:34px; font-weight:600; color:var(--forest-900);}
  .stat-item .label{font-size:11.5px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-600); margin-top:4px;}

  /* ===== Page banner (páginas internas) ===== */
  .page-banner{
    background:linear-gradient(180deg, var(--forest-900) 0%, var(--forest-700) 100%);
    color:var(--paper-50);
    padding:64px 0 56px;
  }
  .page-banner .eyebrow{color:#D8C58C;}
  .page-banner .eyebrow::before{background:#D8C58C;}
  .page-banner h1{
    color:var(--paper-50);
    font-size:clamp(30px,4vw,44px);
    margin-top:16px;
  }
  .page-banner .lede{margin-top:16px; max-width:60ch; color:#D7E0D6; font-size:16px;}

  /* ===== Archive (reuniones anteriores) ===== */
  .archive{background:var(--paper-25); padding:72px 0;}
  .archive-list{border-top:1px solid var(--rule);}
  .archive-item{
    border-bottom:1px solid var(--rule);
    padding:26px 0;
    display:grid; grid-template-columns:70px 1fr; gap:24px; align-items:start;
  }
  .archive-item .code{
    font-family:'IBM Plex Mono', monospace; font-size:18px; font-weight:500;
    color:var(--gold-700); padding-top:3px;
  }
  .archive-item h3{font-size:18px; margin-bottom:4px;}
  .archive-item .meta{
    font-family:'IBM Plex Mono', monospace; font-size:12.5px;
    color:var(--ink-600); text-transform:uppercase; letter-spacing:.04em;
    margin-bottom:14px;
  }
  .doc-links{display:flex; flex-wrap:wrap; gap:10px;}
  .doc-link{
    font-family:'IBM Plex Mono', monospace; font-size:12px;
    letter-spacing:.03em; text-transform:uppercase;
    padding:6px 12px; border:1px solid var(--rule);
    color:var(--forest-700); background:var(--paper-50);
  }
  .doc-link:hover{border-color:var(--forest-700); background:var(--forest-700); color:var(--paper-50);}
  .doc-link.is-disabled{
    color:var(--ink-600); opacity:0.45; cursor:not-allowed;
    text-decoration:line-through;
  }

  /* ===== Footer address (páginas internas) ===== */
  .footer-address{font-size:13.5px; color:#9EB39B; line-height:1.7;}

  /* ===== Historia ===== */
  .history{background:var(--paper-25); padding:72px 0;}
  .history-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px; margin-bottom:44px;}
  .history-grid p{color:var(--ink-600); font-size:15.5px;}
  .history-caption{
    border-top:1px solid var(--rule); padding-top:24px;
    display:grid; grid-template-columns:1fr 1fr; gap:40px;
  }
  .history-caption p{
    font-family:'IBM Plex Mono', monospace; font-size:12.5px;
    color:var(--ink-600); line-height:1.7;
  }

  /* ===== Objetivos ===== */
  .objectives{background:var(--forest-900); color:var(--paper-50); padding:72px 0;}
  .objectives .eyebrow{color:#D8C58C;}
  .objectives .eyebrow::before{background:#D8C58C;}
  .objectives-intro{max-width:760px; margin-bottom:48px;}
  .objectives-intro h2{color:var(--paper-50); font-size:clamp(26px,3vw,34px); margin-top:16px;}
  .objectives-intro p{margin-top:16px; color:#C7D2C5; font-size:16px;}
  .objectives-list{border-top:1px solid rgba(246,244,234,0.2);}
  .objective-item{
    display:grid; grid-template-columns:56px 1fr; gap:20px;
    padding:22px 0; border-bottom:1px solid rgba(246,244,234,0.2);
  }
  .objective-item .num{font-family:'IBM Plex Mono', monospace; color:#D8C58C; font-size:16px; padding-top:2px;}
  .objective-item p{color:#D7E0D6; font-size:15.5px;}

  /* ===== Consejo Directivo ===== */
  .council{background:var(--paper-50); padding:72px 0;}
  .council-grid{
    display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
    background:var(--rule); border:1px solid var(--rule); margin-bottom:64px;
  }
  .council-card{background:var(--paper-50); padding:32px 24px; text-align:center;}
  .council-photo{
    width:150px; height:150px; border-radius:50%; object-fit:cover;
    display:block; margin:0 auto 18px;
    border:1px solid var(--rule); box-shadow:0 0 0 4px var(--paper-50), 0 0 0 5px var(--rule);
  }
  .council-card .role{
    font-family:'IBM Plex Mono', monospace; font-size:11px; text-transform:uppercase;
    letter-spacing:.05em; color:var(--gold-700);
  }
  .council-card h3{font-size:16.5px; margin-top:10px; line-height:1.3;}
  .council-card a{display:block; margin-top:10px; font-size:12.5px; color:var(--forest-700); word-break:break-word;}
  .council-card a:hover{text-decoration:underline;}
  .founders-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px;}
  .founder-card{border:1px solid var(--rule); background:var(--paper-25); padding:26px 18px 22px; text-align:center;}
  .founder-photo{
    width:150px; height:150px; border-radius:50%; object-fit:cover;
    display:block; margin:0 auto 16px;
    border:1px solid var(--rule); box-shadow:0 0 0 4px var(--paper-25), 0 0 0 5px var(--rule);
  }
  .avatar-placeholder{
    display:flex; align-items:center; justify-content:center;
    background:var(--paper-50); color:var(--gold-700);
    font-family:'Source Serif 4', serif; font-size:34px; font-weight:600;
  }
  .founder-card .num{font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--gold-700);}
  .founder-card h4{
    font-family:'Source Serif 4', serif; font-size:14.5px; font-weight:600;
    color:var(--forest-900); margin-top:8px; line-height:1.3;
  }

  /* ===== Socios / Acordeón ===== */
  .membership{background:var(--paper-25); padding:72px 0;}
  .membership-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:56px; align-items:start;}
  .membership-figure{border:1px solid var(--rule); background:var(--paper-50); overflow:hidden;}
  .membership-figure img{width:100%; height:auto; display:block;}
  .membership-intro{max-width:720px; margin-bottom:44px;}
  .membership-intro p{margin-top:16px; color:var(--ink-600); font-size:16px;}
  .accordion{border-top:1px solid var(--rule);}
  .accordion-item{border-bottom:1px solid var(--rule);}
  .accordion-trigger{
    width:100%; display:flex; justify-content:space-between; align-items:center;
    padding:22px 2px; background:none; border:none; text-align:left; cursor:pointer;
    font-family:'Source Serif 4', serif; font-size:19px; color:var(--forest-900);
  }
  .accordion-trigger .icon{
    font-family:'IBM Plex Mono', monospace; font-size:20px; color:var(--gold-700);
    transition:transform 200ms ease; flex-shrink:0; margin-left:16px;
  }
  .accordion-item.is-open .accordion-trigger .icon{transform:rotate(45deg);}
  .accordion-panel{max-height:0; overflow:hidden; transition:max-height 300ms ease;}
  .accordion-item.is-open .accordion-panel{max-height:600px;}
  .accordion-panel-inner{padding:0 2px 26px; color:var(--ink-600); font-size:15px;}
  .accordion-panel-inner p{margin-bottom:12px;}
  .bank-box{border:1px solid var(--rule); background:var(--paper-50); padding:18px 20px; margin-top:12px; font-size:14px;}
  .bank-box b{color:var(--forest-900);}

  /* ===== Section shell ===== */
  section{padding:88px 0;}
  section.tight{padding:64px 0;}
  .section-head{max-width:640px; margin-bottom:52px;}
  .section-head h2{font-size:clamp(26px,3vw,36px); margin-top:16px;}
  .section-head p{margin-top:14px; color:var(--ink-600); font-size:16px;}

  /* ===== Misión ===== */
  .mission{background:var(--paper-25);}
  .mission-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px;}
  .mission-grid h3{font-size:22px; margin-bottom:10px;}
  .mission-grid p{color:var(--ink-600); font-size:15.5px;}
  .mission-block + .mission-block{margin-top:38px;}
  .pull-quote{
    border-left:3px solid var(--gold-600);
    padding-left:22px; margin-top:44px;
  }
  .pull-quote p{font-family:'Source Serif 4', serif; font-size:20px; color:var(--forest-900); font-style:italic; line-height:1.5;}
  .pull-quote cite{display:block; margin-top:10px; font-family:'IBM Plex Mono', monospace; font-size:12px; font-style:normal; color:var(--ink-600); text-transform:uppercase; letter-spacing:.04em;}

  /* ===== Líneas de investigación (signature) ===== */
  .research{background:var(--forest-900); color:var(--paper-50);}
  .research .eyebrow{color:#D8C58C;}
  .research .eyebrow::before{background:#D8C58C;}
  .research .section-head h2{color:var(--paper-50);}
  .research .section-head p{color:#C7D2C5;}
  .index-list{border-top:1px solid rgba(246,244,234,0.2);}
  .index-item{
    border-bottom:1px solid rgba(246,244,234,0.2);
    padding:30px 0;
    display:grid; grid-template-columns:90px 1fr 220px; gap:28px; align-items:start;
  }
  .index-item .code{font-family:'IBM Plex Mono', monospace; font-size:14px; color:#D8C58C; padding-top:4px;}
  .index-item h3{color:var(--paper-50); font-size:21px; margin-bottom:8px;}
  .index-item p{color:#C7D2C5; font-size:15px; max-width:60ch;}
  .index-item .tag{
    justify-self:end; text-align:right;
    font-family:'IBM Plex Mono', monospace; font-size:11.5px; letter-spacing:.05em;
    text-transform:uppercase; color:#9EB39B;
    border:1px solid rgba(246,244,234,0.25); padding:6px 12px; height:fit-content;
  }

  /* ===== Quiénes somos / pilares ===== */
  .about{background:var(--paper-50);}
  .pillars{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--rule); border:1px solid var(--rule); margin-top:52px;}
  .pillar{background:var(--paper-50); padding:32px 26px;}
  .pillar .num{font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--gold-700);}
  .pillar h4{font-size:17px; margin-top:14px; margin-bottom:8px;}
  .pillar p{font-size:14px; color:var(--ink-600);}
  .about-copy{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start;}
  .about-copy p{color:var(--ink-600); font-size:15.5px; margin-top:14px;}
  .fact-strip{border-top:1px solid var(--rule); border-bottom:1px solid var(--rule); padding:22px 0;}
  .fact-strip dl{display:flex; gap:48px; flex-wrap:wrap;}
  .fact-strip dt{font-family:'Source Serif 4',serif; font-size:30px; color:var(--forest-900); font-weight:600;}
  .fact-strip dd{font-family:'IBM Plex Mono', monospace; font-size:11.5px; text-transform:uppercase; letter-spacing:.05em; color:var(--ink-600); margin-top:4px;}

  /* ===== Contacto ===== */
  .contact{background:var(--forest-700); color:var(--paper-50);}
  .contact .eyebrow{color:#DDE7D6;}
  .contact .eyebrow::before{background:#DDE7D6;}
  .contact .section-head h2{color:var(--paper-50);}
  .contact .section-head p{color:#DCE6D9;}
  .contact-grid{display:grid; grid-template-columns:1fr 1.1fr; gap:64px;}
  .contact-info dl{margin-top:28px;}
  .contact-info .item{padding:16px 0; border-top:1px solid rgba(246,244,234,0.22);}
  .contact-info .item:last-child{border-bottom:1px solid rgba(246,244,234,0.22);}
  .contact-info dt{font-family:'IBM Plex Mono', monospace; font-size:11px; text-transform:uppercase; letter-spacing:.05em; color:#B9CBB5;}
  .contact-info dd{font-size:16px; margin-top:5px;}
  form{background:var(--paper-25); padding:36px; color:var(--ink-900);}
  form h3{font-size:19px; margin-bottom:22px;}
  .field{margin-bottom:18px;}
  .field label{display:block; font-family:'IBM Plex Mono', monospace; font-size:11px; text-transform:uppercase; letter-spacing:.05em; color:var(--ink-600); margin-bottom:7px;}
  .field input, .field textarea{
    width:100%; border:1px solid var(--rule); background:var(--paper-25); padding:11px 12px;
    font-family:'IBM Plex Sans', sans-serif; font-size:14.5px; color:var(--ink-900); border-radius:2px;
  }
  .field input:focus, .field textarea:focus{border-color:var(--forest-700);}
  .field textarea{resize:vertical; min-height:90px;}
  form .btn-primary{width:100%; justify-content:center; margin-top:6px;}

  /* ===== Footer ===== */
  footer{background:var(--forest-900); color:#B9CBB5; padding:56px 0 28px;}
  .footer-top{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:48px; padding-bottom:40px; border-bottom:1px solid rgba(246,244,234,0.15);}
  .footer-brand .name{font-family:'Source Serif 4', serif; color:var(--paper-50); font-size:19px; font-weight:700;}
  .footer-logo{height:64px; width:auto; margin-bottom:4px;}
  .footer-brand p{margin-top:12px; font-size:13.5px; max-width:32ch; color:#9EB39B;}
  footer h5{font-family:'IBM Plex Mono', monospace; font-size:11px; text-transform:uppercase; letter-spacing:.05em; color:#D8C58C; margin-bottom:14px;}
  footer ul{list-style:none;}
  footer li{margin-bottom:9px; font-size:14px;}
  footer li a:hover{color:var(--paper-50); text-decoration:underline;}
  .footer-bottom{display:flex; justify-content:space-between; padding-top:24px; font-family:'IBM Plex Mono', monospace; font-size:11.5px; flex-wrap:wrap; gap:10px; color:#7E9480;}

  /* ===== Responsive ===== */
  @media (max-width:860px){
    .brand-logo{height:42px;}
    header .wrap{position:relative;}
    nav{
      display:none;
      position:absolute; top:100%; left:0; right:0;
      background:var(--paper-25);
      border-bottom:1px solid var(--rule);
      padding:6px 32px 18px;
      box-shadow:0 12px 20px -12px rgba(18,38,25,0.25);
    }
    nav.is-open{display:block;}
    .useful-links{flex-direction:column; gap:0;}
    .useful-links a{display:block; padding:13px 2px; border-bottom:1px solid var(--rule);}
    .useful-links li:last-child a{border-bottom:none;}
    .nav-toggle{display:inline-flex;}
    .carousel-track{min-height:600px;}
    .slide-content{padding-top:48px; padding-bottom:48px;}
    .slide-art{display:none;}
    .carousel-arrow{width:36px; height:36px; font-size:20px;}
    .stats-strip .wrap{grid-template-columns:1fr 1fr; row-gap:24px;}
    .stat-item{border-left:none; padding-left:0; border-top:1px solid var(--rule); padding-top:16px;}
    .stat-item:nth-child(-n+2){border-top:none; padding-top:0;}
    .mission-grid, .about-copy, .contact-grid, .membership-grid{grid-template-columns:1fr; gap:36px;}
    .pillars{grid-template-columns:1fr 1fr;}
    .index-item{grid-template-columns:1fr; gap:10px;}
    .index-item .tag{justify-self:start; text-align:left;}
    .footer-top{grid-template-columns:1fr; gap:32px;}
    .archive-item{grid-template-columns:1fr; gap:6px;}
    .history-grid, .history-caption{grid-template-columns:1fr; gap:24px;}
    .council-grid{grid-template-columns:1fr 1fr;}
    .founders-grid{grid-template-columns:1fr 1fr;}
    .objective-item{grid-template-columns:36px 1fr;}
    .accordion-trigger{font-size:16.5px;}
    section{padding:64px 0;}
  }
  @media (max-width:480px){
    .carousel-track{min-height:640px;}
    .council-grid, .founders-grid{grid-template-columns:1fr 1fr;}
    .slide h1{font-size:26px;}
    .slide .lede{font-size:15px;}
  }
  @media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} }