:root{--bg:#000;--text:#fff;--muted:#c6c6c6;--card:#0a0a0a;--border:#1a1a1a;--radius:16px;--shadow:0 8px 30px rgba(0,0,0,.5)}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 Inter,ui-sans-serif,system-ui,Segoe UI,Roboto,Helvetica,Arial}
.container{width:min(1100px,92%);margin-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(0,0,0,.6);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
.brand{display:flex;gap:.6rem;align-items:center;text-decoration:none;color:var(--text);font-weight:700;letter-spacing:.8px}
.brand-logo{width:34px;height:34px}
.nav-toggle{display:none;background:transparent;border:0;cursor:pointer}
.nav-toggle .bar{display:block;width:22px;height:2px;background:#fff;margin:4px 0;border-radius:2px}
.nav-menu{display:flex;gap:1rem;align-items:center;list-style:none;margin:0;padding:0}
.nav-menu a{color:var(--text);text-decoration:none;padding:.4rem .6rem;border-radius:10px;border:1px solid transparent}
.nav-menu a:hover{border-color:var(--border);background:#0f0f0f}
.btn{display:inline-block;padding:.7rem 1rem;border:1px solid #2a2a2a;border-radius:12px;text-decoration:none;color:#fff;background:transparent;transition:transform .06s ease, background .2s ease}
.btn:hover{transform:translateY(-1px);background:#0e0e0e}
.btn.primary{background:#fff;color:#000;border-color:#fff;font-weight:800}
.btn.ghost{border-color:#2a2a2a}
.btn.small{padding:.45rem .7rem;font-size:.9rem}
.hero{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:2rem;padding:clamp(2rem,4vw,4rem) 0}
.hero h1{font-size:clamp(2rem,4vw + 1rem,3.1rem);line-height:1.1;margin:0 0 1rem}
.lead{color:var(--muted)}
.cta-row{display:flex;gap:.8rem;flex-wrap:wrap;margin:.8rem 0 1.2rem}
.badges{display:flex;gap:.6rem;list-style:none;padding:0;margin:0;flex-wrap:wrap}
.badges li{border:1px solid #222;border-radius:999px;padding:.35rem .7rem;font-size:.9rem;color:#d7d7d7}
.grid-art{position:relative;min-height:260px}
.ring{position:absolute;inset:0;border:1px dashed #222;border-radius:50%}.r2{inset:20px}.r3{inset:40px}
.hero-logo{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(42%,220px);filter:drop-shadow(0 20px 40px rgba(0,0,0,.7))}
.section-head{margin:2.5rem 0 1rem}.section-head h2{margin:.2rem 0 0}.section-head p{margin:.3rem 0 0;color:var(--muted)}
.cards,.about-grid,.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow)}
.feature-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.feature-list li{display:flex;gap:.9rem;align-items:flex-start;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem}
.feature-list .icon{font-size:1.3rem;line-height:1}
@media (max-width: 1000px){.feature-list{grid-template-columns:1fr 1fr}.cards,.about-grid,.cases-grid{grid-template-columns:1fr 1fr}}
@media (max-width: 620px){.cards,.about-grid,.cases-grid{grid-template-columns:1fr}.hero{grid-template-columns:1fr}}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:1rem}
.contact-form{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;display:grid;gap:.6rem}
.contact-form input,.contact-form textarea{width:100%;padding:.7rem .8rem;border-radius:10px;border:1px solid #2a2a2a;background:#0e0e0e;color:#fff}
.form-note{color:#c6c6c6;font-size:.9rem}
.site-footer{border-top:1px solid var(--border);margin-top:2rem;padding:1rem 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between}
.to-top{border:1px solid #2a2a2a;border-radius:8px;padding:.3rem .6rem;text-decoration:none;color:#fff}
:focus{outline:2px solid #fff;outline-offset:2px}