/* TechTutorZone — Dark modern theme */
:root{
  --bg:#0b1220;
  --panel:#0f1724;
  --muted:#9aa4b2;
  --text:#e6eef8;
  --accent:#5eead4;
  --accent-2:#60a5fa;
  --glass: rgba(255,255,255,0.03);
  --max:1200px;
  --radius:12px;
  --shadow: 0 8px 30px rgba(2,6,23,0.6);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", monospace;
  --ease: cubic-bezier(.2,.9,.3,1);
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;color:var(--text);background:linear-gradient(180deg,#071025 0%, var(--bg) 100%);-webkit-font-smoothing:antialiased}
.container{max-width:var(--max);margin:0 auto;padding:1.25rem}
.site-header{position:sticky;top:0;z-index:40;background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);backdrop-filter: blur(6px);border-bottom:1px solid rgba(255,255,255,0.03)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 0}
.brand{font-weight:700;color:var(--accent);font-size:1.25rem;text-decoration:none;letter-spacing:0.2px}
.nav a{color:var(--text);text-decoration:none;margin:0 .6rem;padding:.35rem .5rem;border-radius:8px;transition:background .2s var(--ease), transform .15s var(--ease)}
.nav a:hover{background:rgba(255,255,255,0.02);transform:translateY(-2px)}
#nav-toggle{display:none;background:transparent;border:0;color:var(--text);font-size:1.2rem}

/* Hero */
.hero{padding:3rem 0}
.hero-grid{display:grid;grid-template-columns:1fr 320px;gap:2rem;align-items:center}
.hero-text h1{font-size:clamp(1.6rem,3.6vw,2.6rem);margin:.1rem 0}
.subtitle{color:var(--muted);margin:.6rem 0 1rem;max-width:50ch}
.btn{display:inline-block;background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#022337;padding:.6rem .9rem;border-radius:10px;text-decoration:none;font-weight:600;box-shadow:0 6px 18px rgba(7,20,35,0.6);transition:transform .18s var(--ease)}
.btn:hover{transform:translateY(-3px)}

/* Cards grid */
.latest h2{margin-bottom:.75rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));border:1px solid rgba(255,255,255,0.03);padding:1rem;border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .18s var(--ease), box-shadow .18s var(--ease)}
.card h3{margin:.2rem 0}
.card p{color:var(--muted);margin:.35rem 0}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 50px rgba(2,6,23,0.7)}

/* Features */
.features{padding:2.25rem 0}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.feature{background:var(--panel);padding:1rem;border-radius:12px;border:1px solid rgba(255,255,255,0.02)}

/* footer */
.site-footer{border-top:1px solid rgba(255,255,255,0.03);padding:1.25rem 0;margin-top:2rem;color:var(--muted)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem}

/* responsive */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:1.25rem}
  #nav-toggle{display:block}
  .nav{display:none}
  .grid{grid-template-columns:1fr}
}

/* Article styles for tutorials */
.post{max-width:900px;margin:2rem auto}
.post .article-meta{color:var(--muted);margin-bottom:1rem}
.article-content h2{margin-top:1rem}
article code, pre{font-family:var(--mono);background:#071525;padding:.45rem .6rem;border-radius:8px;color:var(--accent-2)}
pre{overflow:auto;padding:1rem;font-size:.95rem}
blockquote{border-left:3px solid rgba(94,234,212,0.08);padding-left:1rem;color:var(--muted);margin:1rem 0}

/* subtle animations */
a,button{transition:all .15s var(--ease)}