/* Colorful theme */
:root{
  --bg:#0a0f1a;
  --bg2:#0c1322;
  --panel:#0f1628;
  --text:#eaf2ff;
  --muted:#9fb4d1;
  --accent:#4fd1ff;     /* Cyan */
  --accent2:#7cf29b;    /* Green */
  --accent3:#a98aff;    /* Purple */
  --border:#1f2a3f;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,"Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg) 0%, var(--bg2) 100%);
}

/* Layout */
.container{max-width:1040px;margin:0 auto;padding:0 24px}
.section{padding:48px 0; scroll-margin-top:84px;}
.section.alt{
  background:
    radial-gradient(1000px 400px at 10% 0%, rgba(79,209,255,0.10), transparent 60%),
    radial-gradient(800px 300px at 90% 0%, rgba(169,138,255,0.12), transparent 60%),
    var(--panel);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section h2{font-size:28px;margin:0 0 18px;color:var(--text)}
.section h3{font-size:18px;margin:8px 0 8px;color:var(--text)}
p{color:var(--muted)}

/* Header */
.site-header{
  background:rgba(15,22,40,0.85);
  border-bottom:1px solid var(--border);
  position:sticky; top:0; z-index:10;
  backdrop-filter:saturate(150%) blur(8px);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{
  display:flex;              /* text + logo side by side */
  align-items:center;        /* vertical centering */
  gap:0.5rem;                /* space between text and logo */
  color:var(--text);
  font-weight:800;
  text-decoration:none;
  letter-spacing:0.2px;
}
.brand .logo{
  height:32px;
  width:auto;
}
.nav-links a{
  color:var(--muted);text-decoration:none;margin-left:18px;font-weight:700
}
.nav-links a:hover{color:var(--text)}
.nav-links a.cta{
  color:#041018;background:linear-gradient(135deg,var(--accent),var(--accent3));
  padding:8px 14px;border-radius:10px;margin-left:22px;box-shadow:0 6px 20px rgba(79,209,255,0.24)
}

/* Hero */
.hero{padding:72px 0 24px}
.hero-content{max-width:820px}
.hero h1{
  font-size:42px;line-height:1.08;margin:0 0 12px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero p{font-size:18px;margin:0 0 20px}
.hero-actions .btn{
  display:inline-block;padding:12px 18px;border-radius:12px;text-decoration:none;font-weight:800;margin-right:12px;transition:transform .08s ease, box-shadow .2s ease
}
.btn.primary{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#041018; box-shadow:0 8px 26px rgba(124,242,155,0.25)
}
.btn.primary:hover{transform:translateY(-1px)}
.btn.ghost{
  border:1px solid var(--border);color:var(--text);background:rgba(255,255,255,0.02)
}
.btn.ghost:hover{border-color:var(--accent)}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:#0e1426;border:1px solid var(--border);border-radius:14px;padding:16px;
  box-shadow:0 10px 30px rgba(0,0,0,0.25)
}
.card h3{
  background:linear-gradient(135deg,var(--accent3),var(--accent));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.card ul{margin:0;padding-left:18px}
.card li{margin:7px 0;color:var(--muted)}
.card:hover{border-color:var(--accent3)}

/* Expertise */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.inline-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.inline-list li{
  background:#101733;border:1px solid var(--border);border-radius:10px;padding:8px 10px;color:var(--muted)
}

/* Timeline */
.timeline .item{
  margin:18px 0;padding:16px;border:1px solid var(--border);border-radius:14px;background:#0e1426
}
.timeline .item:hover{border-color:var(--accent2)}
.meta{color:var(--muted);margin-top:-4px;margin-bottom:8px}

/* Badges */
.badges{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0 0 12px}
.badges li{
  background:linear-gradient(135deg,#101733,#0e1426);
  border:1px solid var(--border);border-radius:999px;padding:8px 12px;color:var(--muted)
}

/* Bio */
.bio-card{
  background:#0e1426;border:1px solid var(--border);border-radius:14px;padding:20px;color:var(--muted);line-height:1.6;
  box-shadow:0 10px 30px rgba(0,0,0,0.25)
}
.bio-card strong{color:var(--text)}
.bio-card .btn{margin-top:12px;display:inline-block}

/* Contact */
.contact .contact-card{
  background:#0e1426;border:1px solid var(--border);border-radius:14px;padding:16px
}
.contact-card a{color:var(--accent);text-decoration:none}
.contact-card a:hover{color:var(--accent2)}

/* Footer */
.site-footer{
  border-top:1px solid var(--border);padding:18px 0;margin-top:20px;color:var(--muted);
  background:rgba(15,22,40,0.75)
}

/* Responsiveness */
@media (max-width:900px){
  .cards{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .hero h1{font-size:36px}
}
@media (max-width:600px){
  .cards{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .brand .logo{height:24px}
}