/*
Theme Name: YUAN Institute (YUEN Ecosystem)
Theme URI: https://example.org/
Author: WIN MANAGER Dev Team
Author URI: https://example.org/
Description: A sober, academic, performance-focused WordPress theme for the Ecosystem Científico YUEN / Grupo YUAN. Built to scale 5–10 years with multilingual-ready architecture and scientific SEO.
Version: 1.0.0
License: GPLv2 or later
Text Domain: yuan-institute
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 8.0
*/

:root{
  --bg:#0b0f14;
  --surface:#101826;
  --paper:#0f1520;
  --text:#e8eef6;
  --muted:#a9b7c6;
  --brand:#3a8dde;
  --brand2:#1f4c7a;
  --border:rgba(255,255,255,.10);
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --radius:16px;
  --max:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:linear-gradient(180deg,var(--bg),#070a0f);
  color:var(--text);
  line-height:1.65;
}
a{color:var(--text);text-decoration:none}
a:hover{color:#ffffff;text-decoration:underline}
img{max-width:100%;height:auto}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,15,20,.85);backdrop-filter: blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:14px}
.brand{display:flex;gap:12px;align-items:center}
.brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#64b5ff);box-shadow:var(--shadow)}
.brand-title{font-weight:700;letter-spacing:.4px}
.brand-sub{display:block;font-size:12px;color:var(--muted);margin-top:-2px}
.nav{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.nav a{font-size:14px;color:var(--muted)}
.nav a:hover{color:var(--text);text-decoration:none}
.lang-switch{display:flex;gap:10px;align-items:center}
.lang-pill{padding:6px 10px;border:1px solid var(--border);border-radius:999px;font-size:12px;color:var(--muted)}
.lang-pill.is-active{background:rgba(58,141,222,.14);color:var(--text);border-color:rgba(58,141,222,.35)}
.hero{padding:56px 0 32px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
@media(max-width:940px){.hero-grid{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,rgba(16,24,38,.9),rgba(15,21,32,.9));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:22px}
.kicker{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.h1{font-size:40px;line-height:1.15;margin:10px 0 12px}
@media(max-width:520px){.h1{font-size:32px}}
.lead{color:var(--muted);font-size:16px;max-width:66ch}
.btnrow{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;border:1px solid var(--border);background:rgba(255,255,255,.03);color:var(--text);font-size:14px}
.btn:hover{background:rgba(255,255,255,.06);text-decoration:none}
.btn.primary{background:linear-gradient(135deg,var(--brand),#61b0ff);border-color:rgba(255,255,255,.14);color:#07101a}
.btn.primary:hover{filter:brightness(1.03)}
.section{padding:26px 0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:940px){.grid3{grid-template-columns:1fr}}
.h2{font-size:20px;margin:0 0 6px}
.small{color:var(--muted);font-size:14px;margin:0}
.site-main{padding:24px 0 54px}
.article{max-width:80ch}
.article h1,.article h2,.article h3{line-height:1.25}
.article h1{font-size:34px}
.article h2{font-size:22px;margin-top:26px}
.article h3{font-size:18px;margin-top:22px;color:var(--text)}
.meta{color:var(--muted);font-size:13px}
hr{border:none;border-top:1px solid var(--border);margin:26px 0}
.site-footer{border-top:1px solid var(--border);padding:24px 0;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:16px;align-items:start}
@media(max-width:940px){.footer-grid{grid-template-columns:1fr}}
.footer-links a{color:var(--muted);font-size:13px;display:inline-block;margin-right:12px;margin-bottom:6px}
.notice{padding:12px 14px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);border-radius:14px;color:var(--muted);font-size:13px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid var(--border);vertical-align:top;text-align:left}
.table th{color:var(--muted);font-weight:600;font-size:13px}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;border:1px solid var(--border);font-size:12px;color:var(--muted)}