/* Base design (from v2) with i18n toggle styling */
:root{--bg:#0a0b0c;--panel:#0f1115;--glass:rgba(255,255,255,0.04);--text:#eaecef;--muted:#a3a9b8;--accent:#8a5cff;--accent-2:#47e3ff;--card:#12141a;--border:rgba(255,255,255,0.08);--link:#c6d4ff;--radius:14px;--shadow:0 10px 30px rgba(0,0,0,0.4)}
*{box-sizing:border-box}
html,body{padding:0;margin:0;background:var(--bg);color:var(--text);font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}
a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:10;border-bottom:1px solid var(--border);backdrop-filter:saturate(180%) blur(12px)}.glass{background:linear-gradient(180deg, rgba(12,14,18,0.85), rgba(12,14,18,0.65))}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:1rem;position:relative}
.brand{display:flex;gap:.6rem;align-items:center}.brand-mark{width:26px;height:26px;opacity:.9}.brand-name{font-weight:700;letter-spacing:.2px}
.menu-toggle{display:none;align-items:center;gap:.5rem;padding:.45rem .75rem;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;font-weight:600}
.menu-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.menu-icon{position:relative;width:18px;height:2px;background:var(--text);transition:transform .25s ease,background .25s ease}
.menu-icon::before,.menu-icon::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);transition:transform .25s ease,top .25s ease,opacity .25s ease}
.menu-icon::before{top:-6px}
.menu-icon::after{top:6px}
.menu-label{font-size:.9rem}
.header-actions{display:flex;align-items:center;gap:1rem;margin-left:auto}
.nav{display:flex;gap:1rem;align-items:center}.nav-link{padding:.4rem .7rem;border-radius:10px}.nav-link.active{background:var(--glass)}
.header-cta-wrap{display:flex;align-items:center;gap:.6rem}
.header-cta-wrap .lang-toggle,.header-cta-wrap .cta{white-space:nowrap}
.lang-toggle{display:inline-flex;align-items:center;gap:.2rem;border:1px solid var(--border);background:var(--panel);color:var(--text);padding:.4rem .6rem;border-radius:10px;font-weight:600;cursor:pointer;min-height:36px}
.lang-toggle .on{color:#fff}
.cta{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#000;padding:.5rem .9rem;border-radius:999px;font-weight:700;box-shadow:var(--shadow)}.cta:hover{text-decoration:none;opacity:.95}

.hero{position:relative;padding:96px 0 48px;border-bottom:1px solid var(--border);overflow:hidden}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:center}
.hero-bg{position:absolute;z-index:0;inset:-10% -20% auto -20%;height:520px;background:radial-gradient(60% 60% at 50% 0%, rgba(138,92,255,.35) 0%, rgba(12,14,18,0) 60%),radial-gradient(40% 40% at 10% 10%, rgba(71,227,255,.2) 0%, rgba(12,14,18,0) 60%);pointer-events:none;filter:blur(24px)}
.eyebrow{color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;margin:0 0 .6rem}
.hero-title{font-size:clamp(2rem, 3.2vw + 1rem, 3.2rem);line-height:1.1;margin:0 0 1rem;font-weight:800}
.gradient-text{background:linear-gradient(90deg,#fff,#c0d3ff 40%,#b9a5ff 65%,#a6f1ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-subtitle{max-width:780px;color:#cbd1de;margin:0 0 1.2rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;padding:.9rem 1.1rem;line-height:1;min-height:44px;min-width:44px;border-radius:12px;border:1px solid var(--border);font-weight:600;cursor:pointer;position:relative;z-index:2;touch-action:manipulation}
.button.primary{background:#fff;color:#050607}.button.secondary{background:var(--panel)}
.portrait-wrap{position:relative;justify-self:end;max-width:240px;width:100%}
.portrait{width:100%;aspect-ratio:1/1;border-radius:50%;object-fit:cover;object-position:50% 20%;border:1px solid var(--border);box-shadow:var(--shadow);background:#0f1115}
.portrait-ring{position:absolute;inset:-12px;border-radius:50%;background:conic-gradient(from 180deg, rgba(138,92,255,.35), rgba(71,227,255,.25), rgba(138,92,255,.35));filter:blur(18px);z-index:-1;opacity:.8}

.cards{padding:48px 0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.page-header{padding:48px 0 12px;border-bottom:1px solid var(--border)}.page-title{font-size:clamp(1.6rem,2.5vw + 1rem,2.4rem);margin:0}
.page-overview{padding:32px 0;border-bottom:1px solid var(--border)}.section-title{margin:0 0 1rem;font-size:1.3rem;font-weight:700}
.overview-list{list-style:none;padding:0;margin:0;display:grid;gap:18px}
.overview-list li{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.overview-list h3{margin:0 0 .4rem;font-size:1.1rem;font-weight:700}
.overview-list p{margin:0;color:var(--muted);max-width:70ch}
.app-showcase{padding:32px 0;border-bottom:1px solid var(--border)}
.app-shell{display:grid;gap:20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.app-meta{display:grid;gap:16px}
.feature-list{margin:0;padding-left:20px;color:var(--muted);display:grid;gap:.5rem}
.app-actions{display:flex;flex-wrap:wrap;gap:.75rem}
.app-frame{border-radius:18px;border:1px solid var(--border);overflow:hidden;min-height:520px;background:#0b0d12}
.app-frame iframe{border:0;width:100%;height:100%;min-height:520px}
.toolbar{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center;padding:16px 0 10px;border-bottom:1px solid var(--border)}
.toolbar input[type='search']{flex:1;min-width:220px;background:var(--panel);border:1px solid var(--border);padding:.6rem .7rem;border-radius:10px;color:var(--text)}
.pub-list{padding:20px 0}.pub-year{margin:22px 0 10px;font-weight:800;color:#dfe6ff}
.pub-item{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start;padding:12px;border-bottom:1px dashed var(--border)}
.pub-title{font-weight:700}.pub-meta{color:#a3a9b8;font-size:.95rem}.badge{display:inline-flex;align-items:center;gap:.35rem;background:var(--panel);border:1px solid var(--border);padding:.2rem .5rem;border-radius:999px;font-size:.85rem}
.site-footer{border-top:1px solid var(--border);padding:24px 0;color:#a3a9b8}.footer-inner{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
body.menu-open{overflow:hidden}
@media (max-width: 980px){.hero-inner{grid-template-columns:1fr}.portrait-wrap{justify-self:center;text-align:center;max-width:180px}.portrait{width:100%;height:auto}}
@media (max-width: 860px){
  .grid-3{grid-template-columns:1fr}
  .pub-item{grid-template-columns:1fr}
  .menu-toggle{display:inline-flex}
  .menu-label{display:inline}
  .header-actions{position:absolute;top:64px;right:20px;left:20px;display:none;flex-direction:column;align-items:stretch;gap:1rem;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);z-index:20}
  body.menu-open .header-actions{display:flex}
  .header-actions .nav{flex-direction:column;align-items:stretch;gap:.4rem}
  .header-actions .nav-link{width:100%;padding:.7rem .9rem}
  .header-cta-wrap{flex-direction:column;align-items:stretch;gap:.7rem}
  .header-cta-wrap .lang-toggle,.header-cta-wrap .cta{width:100%;justify-content:center}
  body.menu-open .menu-icon{background:transparent}
  body.menu-open .menu-icon::before{top:0;transform:rotate(45deg)}
  body.menu-open .menu-icon::after{top:0;transform:rotate(-45deg)}
}