/*
Theme Name: NeuroStack
Theme URI: https://example.com/neurostack
Author: Your Team
Author URI: https://example.com
Description: Lightweight, multilingual landing theme for neuro B2B (DeepNeuroTech / Digital Neuro Unit). RU/EN/DE, OG tags, Polylang-ready.
Version: 1.0.0
Requires at least: 5.9
Tested up to: 6.6
Requires PHP: 7.4
Text Domain: neurostack
License: GPL-2.0-or-later
*/

/* Visual */

:root{
  --bg:#0b0f14; --panel:#121821; --panel-2:#0f141c; --text:#e6eef8; --muted:#9fb3c8;
  --accent:#4da8ff; --accent-2:#7ee787; --border:#1e2a36;
}
*{box-sizing:border-box} html,body{margin:0;padding:0}
body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica,Arial;
background:linear-gradient(180deg,var(--bg),#0d131b);color:var(--text);line-height:1.6}
.container{max-width:1080px;margin:0 auto;padding:24px}
.header{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.4px;font-size:18px}
.logo img{width:28px;height:28px}
.nav a{color:var(--muted);margin-left:16px;text-decoration:none}
.nav a:hover{color:var(--text)}
.hero{padding:56px 0 24px}
h1{font-size:clamp(28px,3.5vw,44px);line-height:1.15;margin:0 0 12px 0}
h2{font-size:clamp(22px,2.5vw,28px);margin-top:28px;margin-bottom:12px}
p.lead{font-size:clamp(16px,2vw,20px);color:var(--muted);margin:0 0 20px 0}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}
.btn{display:inline-block;padding:12px 16px;border-radius:12px;text-decoration:none;font-weight:600;border:1px solid var(--border)}
.btn-primary{background:linear-gradient(180deg,#1771e6,#0f5ac2);color:white;border-color:#0f5ac2}
.btn-ghost{color:var(--text);background:transparent}
.grid-3{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:radial-gradient(120% 120% at 100% 0%,rgba(77,168,255,.12),transparent 40%),var(--panel);
border:1px solid var(--border);border-radius:16px;padding:16px}
.kpis{display:grid;gap:12px;grid-template-columns:repeat(3,minmax(0,1fr))}
.kpi{background:var(--panel-2);border:1px dashed var(--border);border-radius:12px;padding:12px}
.kpi .v{font-size:18px;font-weight:700}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{padding:6px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted);font-size:12px}
.section{padding:18px 0}
.footer{color:var(--muted);font-size:13px;padding:32px 0 16px}
.hr{height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent);margin:24px 0}
ul{margin:0;padding-left:18px}
.lang{display:flex;gap:10px}
.lang a{color:var(--muted);text-decoration:none}
.lang a.active{color:var(--text);font-weight:700}
@media (max-width:860px){.grid-3{grid-template-columns:1fr}.kpis{grid-template-columns:1fr}.header{flex-direction:column;gap:10px;align-items:flex-start}}