:root{
  --bg: #0b0f17;
  --bg2: rgba(255,255,255,0.02);
  --card: rgba(255,255,255,0.06);
  --card2: rgba(255,255,255,0.09);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.70);
  --border: rgba(255,255,255,0.14);
  --shadow: 0 18px 60px rgba(0,0,0,0.35);
  --accent: #7aa7ff;
  --accent2: #9bffd5;
  --radius2: 26px;
  --max: 1120px;

  --ease: cubic-bezier(.22,.61,.36,1);
  --dur: 820ms;
}

/* Softer light theme: warm, slightly tinted, less contrast */
[data-theme="light"]{
  --bg: #f3f5f9;                /* softer than pure white */
  --bg2: rgba(12,18,28,0.025);
  --card: rgba(12,18,28,0.045);
  --card2: rgba(12,18,28,0.065);
  --text: rgba(12,18,28,0.90);
  --muted: rgba(12,18,28,0.62);
  --border: rgba(12,18,28,0.10);
  --shadow: 0 18px 60px rgba(0,0,0,0.10);
  --accent: #2a63ff;
  --accent2: #0aa66f;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font: 16px/1.55 system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(122,167,255,0.18), transparent 55%),
    radial-gradient(900px 550px at 85% 20%, rgba(155,255,213,0.12), transparent 60%),
    var(--bg);
  color: var(--text);
  overflow-x:hidden;
}

/* subtle animated background drift (very low key) */
body::before{
  content:"";
  position:fixed;
  inset:-20%;
  background:
    radial-gradient(600px 420px at 20% 15%, rgba(122,167,255,0.10), transparent 55%),
    radial-gradient(520px 380px at 80% 25%, rgba(155,255,213,0.08), transparent 58%),
    radial-gradient(520px 380px at 55% 80%, rgba(122,167,255,0.06), transparent 60%);
  pointer-events:none;
  z-index:-1;
  filter: blur(24px);
  animation: drift 14s var(--ease) infinite alternate;
  opacity: 0.9;
}

@keyframes drift{
  from{ transform: translate3d(-1.2%, -0.8%, 0) scale(1.02); }
  to  { transform: translate3d( 1.2%,  0.9%, 0) scale(1.04); }
}

a{color:inherit; text-decoration:none}
a:hover{opacity:.92}
.container{max-width:var(--max); margin:0 auto; padding:0 20px}

.skip-link{
  position:absolute; left:-999px; top:10px;
  background: var(--card2); border:1px solid var(--border);
  padding:10px 12px; border-radius:12px;
}
.skip-link:focus{left:20px; z-index:1000}

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px 0;
}
.brand{display:flex; gap:12px; align-items:center; min-width: 260px}
.logo{
  width:44px; height:44px;
  border-radius: 16px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 65%, transparent), color-mix(in srgb, var(--accent2) 55%, transparent));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-weight: 900;
  letter-spacing: .5px;
  transform: translateZ(0);
}
.brand-name{font-weight: 900; letter-spacing: .2px}
.brand-sub{font-size: 12.5px; color: var(--muted)}

.nav{display:flex; align-items:center; gap:10px}
.nav-toggle{
  display:none;
  border:1px solid var(--border);
  background: var(--card);
  border-radius: 14px;
  padding:10px 12px;
  color: var(--text);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-links a{
  color: var(--muted);
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: background 240ms var(--ease), border-color 240ms var(--ease), color 240ms var(--ease), transform 240ms var(--ease);
}
.nav-links a:hover{
  color: var(--text);
  background: var(--card);
  border-color: var(--border);
  transform: translateY(-1px);
}

.theme-toggle{
  display:flex;
  align-items:center;
  gap:10px;
  border:1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 12px;
  cursor:pointer;
  transition: transform 220ms var(--ease), background 220ms var(--ease);
}
.theme-toggle:hover{background: var(--card2); transform: translateY(-1px)}
.theme-dot{
  width:10px; height:10px; border-radius:50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 12%, transparent);
}

.sr-only{
  position:absolute;
  width:1px; height:1px;
  padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* Hero */
.hero{padding: 72px 0 22px}
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 22px;
  align-items:start;
}
.pill{
  display:inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 16px;
  position:relative;
  overflow:hidden;
}
.pill::after{
  content:"";
  position:absolute;
  inset:-80% -40%;
  background: radial-gradient(circle at 30% 50%, rgba(122,167,255,0.18), transparent 60%);
  transform: rotate(10deg);
  opacity:0.65;
  animation: shimmer 9s var(--ease) infinite alternate;
}
@keyframes shimmer{
  from{transform: translateX(-3%) rotate(10deg)}
  to{transform: translateX(3%) rotate(10deg)}
}

.hero-title{
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.12;
  margin: 0 0 14px;
  letter-spacing: -0.7px;
}
.lead{color: var(--muted); margin: 0 0 18px; max-width: 74ch}
.hero-cta{display:flex; gap:10px; flex-wrap:wrap; margin: 18px 0 18px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor:pointer;
  transition: transform 240ms var(--ease), background 240ms var(--ease), border-color 240ms var(--ease), box-shadow 240ms var(--ease);
}
.btn:hover{
  background: var(--card2);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.18);
}
.btn.primary{
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent) 30%, transparent),
    color-mix(in srgb, var(--accent2) 22%, transparent)
  );
  border-color: color-mix(in srgb, var(--border) 60%, var(--accent));
}
.btn.ghost{background: transparent}
.btn.small{padding: 9px 12px; border-radius: 12px; font-size: 14px}

/* Metrics */
.hero-metrics{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}
.metric{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card) 86%, transparent);
  border-radius: 16px;
  padding: 12px;
  transition: transform 240ms var(--ease), background 240ms var(--ease), border-color 240ms var(--ease);
  position:relative;
  overflow:hidden;
}
.metric::after{
  content:"";
  position:absolute;
  inset:-60% -30%;
  background: radial-gradient(circle at 30% 50%, rgba(122,167,255,0.14), transparent 60%);
  opacity:0;
  transition: opacity 240ms var(--ease);
}
.metric:hover{
  transform: translateY(-3px);
  background: var(--card2);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}
.metric:hover::after{opacity:1}
.metric-k{font-weight: 900; letter-spacing:.2px}
.metric-v{color: var(--muted); font-size: 13.5px; margin-top: 2px}

/* Cards/Sections */
.card{
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius2);
  padding: 18px;
  box-shadow: var(--shadow);
  transition: transform 260ms var(--ease), background 260ms var(--ease), border-color 260ms var(--ease);
}
.card:hover{
  transform: translateY(-3px);
  background: color-mix(in srgb, var(--card2) 70%, transparent);
  border-color: color-mix(in srgb, var(--accent) 24%, var(--border));
}

.card-glow{
  position:relative;
  overflow:hidden;
}
.card-glow::before{
  content:"";
  position:absolute;
  inset:-40%;
  background:
    radial-gradient(circle at 30% 20%, rgba(122,167,255,0.16), transparent 45%),
    radial-gradient(circle at 70% 35%, rgba(155,255,213,0.12), transparent 52%);
  transform: rotate(12deg);
  pointer-events:none;
  opacity:.9;
  animation: floatGlow 8.5s var(--ease) infinite alternate;
}
@keyframes floatGlow{
  from{ transform: translate3d(-1.2%, -0.8%, 0) rotate(12deg); }
  to  { transform: translate3d( 1.2%,  1.0%, 0) rotate(12deg); }
}
.card-glow > *{position:relative; z-index:1}

.card-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.card-title{font-weight: 900}
.card-sub{color: var(--muted); font-size: 13px; margin-top: 2px}
.status{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card2) 70%, transparent);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--muted);
}

.micro{margin-top: 12px}

.checklist{margin: 12px 0 0; padding-left: 18px; color: var(--muted)}
.checklist li{margin: 8px 0}
.card-actions{display:flex; gap:10px; margin-top: 14px; flex-wrap:wrap}

.section{padding: 56px 0}
.section-head{margin-bottom: 16px}
.section-head h2{
  margin: 0 0 8px;
  font-size: 24px;
  letter-spacing: -0.2px;
}
.muted{color: var(--muted)}
.small{font-size: 13px}

.grid-2{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.bullets{margin: 10px 0 0; padding-left: 18px; color: var(--muted)}
.bullets li{margin: 8px 0}

.skills-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.tags{
  list-style:none;
  padding:0;
  margin: 12px 0 0;
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
}
.tags li{
  font-size: 13px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card2) 70%, transparent);
  transition: transform 220ms var(--ease), background 220ms var(--ease), border-color 220ms var(--ease);
}
.tags li:hover{
  transform: translateY(-2px);
  background: var(--card2);
  border-color: color-mix(in srgb, var(--accent) 22%, var(--border));
}

.contact-list{display:flex; flex-direction:column; gap:10px; margin-top: 12px}
.contact-item{
  display:flex;
  justify-content:space-between;
  gap: 14px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card2) 60%, transparent);
  transition: transform 240ms var(--ease), background 240ms var(--ease), border-color 240ms var(--ease);
}
.contact-item:hover{
  transform: translateY(-2px);
  background: var(--card2);
  border-color: color-mix(in srgb, var(--accent) 22%, var(--border));
}
.contact-k{font-weight: 800}
.contact-v{color: var(--muted)}

/* Footer */
.site-footer{
  border-top: 1px solid var(--border);
  padding: 22px 0 28px;
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  flex-wrap:wrap;
}

/* Reveal system */
[data-reveal]{
  opacity: 0;
  transform: translateY(14px);
  filter: blur(8px);
  transition:
    opacity var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    filter calc(var(--dur) - 120ms) var(--ease);
  will-change: transform, opacity, filter;
}
.revealed{
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}
[data-reveal="fade"]{transform: translateY(0)}
[data-reveal="rise"]{transform: translateY(16px)}
[data-reveal="card"]{transform: translateY(16px) scale(0.985)}
.revealed[data-reveal="card"]{transform: translateY(0) scale(1)}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  body::before{animation:none !important}
  [data-reveal]{transition:none !important; transform:none !important; filter:none !important; opacity:1 !important}
  .btn, .contact-item, .tags li, .metric, .theme-toggle, .card{transition:none !important}
}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr}
}
@media (max-width: 760px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;
    position:absolute;
    right: 20px;
    top: 64px;
    flex-direction:column;
    align-items:stretch;
    min-width: 220px;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    border-radius: 18px;
    padding: 10px;
    box-shadow: var(--shadow);
  }
  .nav-links.open{display:flex}
  .grid-2{grid-template-columns: 1fr}
  .skills-grid{grid-template-columns: 1fr}
  .hero-metrics{grid-template-columns: 1fr}
}