/* Base styles for unlimitz Studio */
:root{
  --bg:#0b0b0b;
  --card:#0f0f0f;
  --card-2:#141414;
  --muted:#9a9a9a;
  --accent:#ffffff;
  --glass: rgba(255,255,255,0.03);
  --radius:12px;
  --max-width:1100px;
  --header-h:72px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
body{
  margin:0;
  min-height:100vh;
  background:linear-gradient(180deg,var(--bg),#070707);
  color:var(--accent);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}
.container{max-width:var(--max-width);margin:48px auto;padding:24px}
header{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:1000;background:var(--card);padding:12px 0;margin-bottom:18px;border-bottom:1px solid rgba(255,255,255,0.03);min-height:var(--header-h)}
.brand{display:flex;align-items:center;gap:16px}
.logo{display:inline-grid;place-items:center;width:64px;height:64px;border-radius:12px;background:var(--card);font-weight:700;color:var(--accent);font-size:18px}
.tag{color:var(--muted);font-size:14px}
nav{display:flex;align-items:center;gap:14px}
nav a{color:var(--muted);text-decoration:none;padding:8px 12px;border-radius:8px;transition:color .18s ease,background .18s ease;display:inline-block}
.nav-toggle{display:none;background:var(--card-2);border:1px solid rgba(255,255,255,0.06);color:var(--muted);padding:8px 10px;border-radius:10px;font-size:20px}
.nav-items{display:flex;align-items:center;gap:14px}
nav a:hover{color:var(--accent)}
nav a.active{color:var(--accent);background:var(--card-2);box-shadow:0 6px 18px rgba(0,0,0,0.5)}
.btn{background:transparent;border:1px solid rgba(255,255,255,0.08);color:var(--accent);padding:10px 14px;border-radius:10px;cursor:pointer;text-decoration:none}
.btn.primary{background:#fff;color:#000;border:none}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero{display:grid;grid-template-columns:1fr 420px;gap:32px;align-items:start}
.lead{background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent);padding:28px;border-radius:var(--radius)}
.lead h2{margin:0 0 12px 0;font-size:40px}
.lead p{color:var(--muted);margin:0 0 18px}
.card{background:var(--card);padding:22px;border-radius:12px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:36px 0}
.feature h3{margin:0 0 8px 0}
.muted{color:var(--muted)}
.stack{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:var(--glass);padding:8px 10px;border-radius:999px;color:var(--muted);font-size:13px}
footer{margin-top:48px;border-top:1px solid rgba(255,255,255,0.03);padding-top:18px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}

/* Longer page sections */
.section{padding:48px 0;border-bottom:1px solid rgba(255,255,255,0.02);scroll-margin-top:calc(var(--header-h) + 8px)}
.section h3{margin-top:0}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.process .step{background:rgba(255,255,255,0.02);padding:18px;border-radius:10px;color:var(--muted)}

.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:18px}
.case{background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent);padding:18px;border-radius:12px}

/* Tech section styles */
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.tech-card{background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent);padding:18px;border-radius:12px;transition:transform .25s ease,box-shadow .25s ease}
.tech-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,0,0,0.6)}
.tech-card h4{margin:0 0 8px 0}
.tech-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

.skill-bar{height:12px;background:rgba(255,255,255,0.04);border-radius:999px;overflow:hidden;margin-top:12px}
.skill-bar .inner{height:100%;width:0;background:linear-gradient(90deg,#fff,#9a9a9a);border-radius:999px;transition:width 900ms cubic-bezier(.2,.9,.2,1)}
.skill-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-top:8px}
.skill-meta{transition:transform .38s cubic-bezier(.2,.9,.2,1),opacity .3s}
.skill-meta.pop{transform:scale(1.06)}
.pct{font-weight:700;color:var(--accent);min-width:44px;display:inline-block;text-align:right}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(12px) scale(.995);transition:opacity .6s cubic-bezier(.2,.9,.2,1),transform .6s cubic-bezier(.2,.9,.2,1)}
.reveal.visible{opacity:1;transform:translateY(0) scale(1)}

/* animated chips */
.chip{background:rgba(255,255,255,0.03);padding:8px 10px;border-radius:999px;color:var(--muted);font-size:13px;transform-origin:center;transition:transform .28s cubic-bezier(.2,.9,.2,1),opacity .28s}
.chip.pop{transform:scale(1.06);opacity:1}

@media (max-width:900px){
  .tech-grid{grid-template-columns:1fr}
}

/* Small screens */
@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .container{margin:24px;padding:16px}
  .logo{width:48px;height:48px}
  .lead h2{font-size:28px}
  .process{grid-template-columns:repeat(2,1fr)}
}

/* Mobile-specific adjustments */
@media (max-width:700px){
  :root{--header-h:64px}
  header{padding:10px 0}
  .container{margin:12px auto;padding:12px}
  .brand{gap:12px}
  .logo{width:44px;height:44px}
  .nav-toggle{display:inline-block;transition:transform .28s cubic-bezier(.2,.9,.2,1),color .18s}
  /* overlay menu - solid background for stability */
  .nav-items{display:flex;flex-direction:column;position:fixed;top:calc(var(--header-h) + 8px);right:12px;left:12px;background:var(--card);padding:14px;border-radius:12px;box-shadow:0 30px 60px rgba(0,0,0,0.6);opacity:0;pointer-events:none;transition:opacity .24s cubic-bezier(.2,.9,.2,1)}
  body.nav-open .nav-items{opacity:1;pointer-events:auto}
  /* simple fade for menu items (solid buttons in nav) */
  .nav-items a{opacity:0;transition:opacity .24s ease}
  .nav-items a.btn{background:var(--card-2);border:1px solid rgba(255,255,255,0.06)}
  body.nav-open .nav-items a{opacity:1}
  /* slightly rotate the toggle when open */
  .nav-toggle[aria-expanded="true"]{transform:rotate(90deg)}
  nav a{padding:12px 10px}
  .hero{gap:18px}
  .cta{flex-direction:column}
  .cta .btn{width:100%;text-align:center;font-size:13px;padding:12px 12px}
  .lead{padding:18px}
  .card{padding:16px}
  .features{gap:12px}
  .tech-grid{gap:12px}
  .tech-card{padding:16px}
  .chip{padding:8px 10px;font-size:13px}
  .skill-bar{height:10px}
}