/* Styles for Widson's portfolio (futuristic tech) */
:root{
  --bg:#07070b;
  --panel:#0d1117;
  --muted:#9aa3b2;
  --accent1:#00ffa3;
  --accent2:#66d2ff;
  --glass: rgba(255,255,255,0.03);
  --radius:14px;
  --maxw:1100px;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color-scheme: dark;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: radial-gradient(1200px 500px at 10% 10%, rgba(34,51,78,0.12), transparent),
              linear-gradient(180deg, rgba(6,7,10,1), rgba(8,10,14,1));
  color:#e6eef6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Background canvas + nebula overlay */
#bg{position:fixed;inset:0;z-index:-2;overflow:hidden}
#bg canvas{position:absolute;inset:0;width:100%;height:100%;opacity:0.55}
.nebula{position:absolute;inset:0;background:
  radial-gradient(600px 200px at 85% 15%, rgba(102,210,255,0.06), transparent),
  radial-gradient(400px 160px at 20% 80%, rgba(0,255,163,0.02), transparent);
  mix-blend-mode:screen;pointer-events:none}

/* Container */
.container{max-width:var(--maxw);margin:0 auto;padding:24px}

/* Topbar */
.topbar{position:sticky;top:0;backdrop-filter: blur(8px);z-index:40}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand h1{font-size:18px;margin:0}
.brand .muted{font-size:12px;color:var(--muted);margin-top:2px}
.logo{width:44px;height:44px;color:var(--accent2);}

/* Navigation */
.nav{display:flex;gap:12px;align-items:center}
.nav a{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:8px;font-size:14px}
.nav a:hover{color:var(--accent2)}
.btn-outline{border:1px solid rgba(255,255,255,0.06);padding:8px 12px;border-radius:10px;color:var(--accent1);text-decoration:none}

/* Hamburger for mobile */
.hamburger{display:none;background:none;border:0;padding:8px}
.hamburger span{display:block;width:22px;height:2px;background:var(--muted);margin:4px 0;border-radius:2px}

/* Main grid */
.main-grid{display:grid;grid-template-columns:1fr;gap:20px;padding:28px 24px}
@media(min-width:980px){
  .main-grid{grid-template-columns: 1.25fr 520px}
}

/* Cards */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.015));
  border: 1px solid rgba(255,255,255,0.03);
  padding:20px;
  border-radius:var(--radius);
  box-shadow: 0 8px 24px rgba(2,6,23,0.6);
  overflow:hidden;
}

/* Hero */
.hero{display:flex;flex-direction:column;gap:18px;align-items:stretch}
@media(min-width:980px){
  .hero{flex-direction:row;align-items:stretch}
  .hero-left{flex:1;padding-right:12px}
  .hero-right{width:420px}
}
.lead{font-size:1.02rem;color:#d9e8f6;line-height:1.5}
.contact-line{list-style:none;padding:0;margin:14px 0 8px 0;display:flex;flex-direction:column;gap:6px}
.contact-line a{color:var(--accent2);text-decoration:none}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.cta{background:linear-gradient(90deg,var(--accent2),var(--accent1));padding:10px 14px;border-radius:10px;color:#04111a;text-decoration:none;font-weight:600}
.cta.ghost{background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--accent2)}
.download{background:transparent;border:0;color:var(--muted);text-decoration:underline;font-size:14px}

/* Profile card */
.profile-card{background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);padding:18px;border-radius:12px}
.profile-header{display:flex;gap:12px;align-items:center}
.avatar{width:68px;height:68px;border-radius:12px;display:grid;place-items:center;border:1px solid rgba(255,255,255,0.03)}
.quick-stats{display:flex;gap:10px;margin-top:12px}
.quick-stats .stat{font-weight:700;background:linear-gradient(90deg, rgba(255,255,255,0.02), transparent);padding:8px 12px;border-radius:10px;color:var(--accent1)}

/* Chips */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chips span{background:rgba(255,255,255,0.02);padding:6px 10px;border-radius:999px;font-size:13px;color:var(--muted)}

/* Skills grid */
.skill-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:12px}
@media(min-width:720px){.skill-grid{grid-template-columns:repeat(2,1fr)}}
.skill{background:linear-gradient(180deg, rgba(255,255,255,0.01), transparent);padding:12px;border-radius:10px;border:1px solid rgba(255,255,255,0.02)}
.skill h4{margin:0 0 6px 0}

/* Projects grid */
.projects-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:14px}
@media(min-width:720px){.projects-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.projects-grid{grid-template-columns:repeat(4,1fr)}}

.project-card{display:flex;gap:12px;align-items:flex-start;background:linear-gradient(180deg, rgba(255,255,255,0.012), transparent);padding:12px;border-radius:10px;border:1px solid rgba(255,255,255,0.02)}
.thumb{width:120px;height:80px;border-radius:8px;overflow:hidden;flex-shrink:0;border:1px solid rgba(255,255,255,0.03)}
.proj-body h4{margin:0 0 6px 0}
.proj-body .muted{margin:0 0 8px 0}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tags span{background:rgba(102,210,255,0.06);padding:4px 8px;border-radius:6px;font-size:12px;color:var(--muted)}

/* Experience & other lists */
.exp{margin-bottom:14px}
.muted{color:var(--muted)}
.small{font-size:13px}
.cert-list{list-style:disc;padding-left:18px;margin:8px 0}

/* refs grid */
.refs-grid{display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:720px){.refs-grid{grid-template-columns:repeat(3,1fr)}}
.ref{background:rgba(255,255,255,0.015);padding:10px;border-radius:10px}

/* contact form */
.contact-form{display:grid;gap:10px;margin-top:10px}
.contact-form label{display:block}
.contact-form input, .contact-form textarea{
  width:100%;padding:10px;border-radius:8px;border:1px solid rgba(255,255,255,0.04);
  background:transparent;color:inherit;font-size:15px
}
.form-row{display:flex;gap:10px;align-items:center}
.form-row .cta{padding:10px 16px}
.form-row .btn-outline{padding:8px 12px}

/* highlight card */
.highlight{border:1px solid rgba(0,255,163,0.06);box-shadow:0 6px 26px rgba(0,255,163,0.03)}

/* footer */
.site-footer{padding:20px 0;color:var(--muted);text-align:center;margin-top:20px}

/* small screens adjustments */
@media(max-width:979px){
  .nav{display:none}
  .hamburger{display:block}
  .main-grid{padding:18px}
}

/* accessibility focus states */
a:focus, button:focus, input:focus, textarea:focus{
  outline:2px solid rgba(102,210,255,0.15);
  outline-offset:2px;
}

/* subtle entrance animations */
.card{transform:translateY(6px);opacity:0;animation:enter 700ms cubic-bezier(.22,.9,.3,1) forwards}
.card:nth-of-type(1){animation-delay:80ms}
.card:nth-of-type(2){animation-delay:120ms}
.card:nth-of-type(3){animation-delay:160ms}
@keyframes enter{to{transform:none;opacity:1}}