:root{
  --bg: #fafafa;
  --bg2:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --border: rgba(15,23,42,.12);
  --shadow: 0 14px 35px rgba(2,6,23,.10);
  --accent:#2563eb;
  --accent2:#06b6d4;
  --radius: 18px;
  --container: 1120px;
  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}


html[data-theme="dark"]{
  --bg: #0b1220;
  --bg2: #0f172a;
  --text: #e5e7eb;
  --muted: #a3b3c7;
  --border: rgba(226,232,240,.14);
  --shadow: 0 18px 46px rgba(0,0,0,.35);
  --accent: #60a5fa;
  --accent2: #22d3ee;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-size: 18px;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 15% 10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 55%),
    radial-gradient(1200px 600px at 90% 18%, color-mix(in srgb, var(--accent2) 14%, transparent), transparent 55%),
    var(--bg);
}

a{color:inherit; text-decoration:none}
a:hover{opacity:.92}
ul{margin:0; padding-left:1.15rem}
li{margin:.45rem 0}
p{line-height:1.7}

.skip{position:absolute; left:-999px; width:1px; height:1px; overflow:hidden}
.skip:focus{
  position:fixed; left:16px; top:16px; z-index:9999;
  width:auto; height:auto; padding:10px 12px;
  background:var(--bg2); border:1px solid var(--border); border-radius:12px;
}

.container{width:min(var(--container), calc(100% - 40px)); margin:0 auto}

.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:14px}
.brand{display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:-.02em}
.brand-mark{
  width:12px; height:12px; border-radius:999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 10px 24px rgba(37,99,235,.25);
}
.nav{display:flex; gap:18px; align-items:center}
.nav a{
  font-size:14px;
  color:color-mix(in srgb, var(--text) 75%, var(--muted));
  padding:8px 10px; border-radius:10px;
}
.nav a:hover{background: color-mix(in srgb, var(--bg2) 80%, transparent)}

.theme{
  display:inline-flex; align-items:center; gap:10px;
  border:1px solid var(--border);
  background: var(--bg2);
  padding:10px 12px;
  border-radius:999px;
  cursor:pointer;
}
.theme-icon{
  width:14px; height:14px; border-radius:999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display:inline-block;
}
.theme-text{font-size:14px; color:var(--muted)}

.nav-toggle{
  display:none;
  border:1px solid var(--border);
  background:var(--bg2);
  border-radius:14px;
  padding:10px;
}
.nav-toggle span{display:block; width:18px; height:2px; background:var(--text); margin:4px 0; border-radius:99px; opacity:.8}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--border);
  background: var(--bg2);
  font-weight:450;
  font-size:14px;
}
.btn-primary{
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color:white;
  box-shadow: 0 14px 30px rgba(37,99,235,.18);
}
.btn-linkedin{
  border-color: transparent;
  background: linear-gradient(135deg, #0a66c2, #1d9bf0);
  color:#fff;
  box-shadow: 0 12px 24px rgba(10,102,194,.22);
}
.btn-ghost{background: color-mix(in srgb, var(--bg2) 85%, transparent)}
.btn-wide{width:100%}

.hero{
  min-height: calc(100svh - 74px);
  padding:28px 0 18px;
  display:flex;
  align-items:center;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:22px;
  align-items:center;
}
.hero-copy{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.eyebrow{margin:0 0 10px; color: var(--muted); font-weight:650}
h1{font-size: clamp(2rem, 2.9vw, 3.2rem); line-height:1.08; margin: 0 0 10px; letter-spacing:-.035em}
.tagline{margin:0 0 18px; font-weight:750; color: color-mix(in srgb, var(--text) 72%, var(--muted))}
.intro-bubble{
  border:1px solid color-mix(in srgb, var(--accent) 24%, var(--border));
  border-radius: 24px;
  padding:18px 20px;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--bg2) 88%, transparent),
    color-mix(in srgb, var(--accent2) 12%, transparent)
  );
  box-shadow: 0 12px 30px color-mix(in srgb, var(--accent2) 10%, transparent);
}
.intro-bubble p{
  margin:0;
  line-height:1.65;
  color: color-mix(in srgb, var(--text) 87%, var(--muted));
}
.intro-bubble p + p{margin-top:14px}
.scroll-cue{
  display:inline-flex;
  align-items:center;
  gap:10px;
  width:fit-content;
  margin-top:18px;
  padding:8px 10px 8px 12px;
  border-radius:999px;
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--bg2) 92%, transparent);
}
.scroll-cue-text{font-size:13px; font-weight:700; color: var(--muted)}
.scroll-cue-icon{
  width:24px;
  height:24px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  color:#fff;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}

.hero-card{
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--bg2) 92%, transparent);
  border-radius: 24px;
  box-shadow: var(--shadow);
  overflow:hidden;
}
.avatar{padding:18px; border-bottom:1px solid var(--border); display:flex; justify-content:center; align-items:center}
.avatar img{
  width:176px; height:176px;
  border-radius: 30px;
  object-fit: cover;
  object-position: 50% 22%;
  border:1px solid var(--border);
  display:block;
  box-shadow: 0 16px 34px rgba(37,99,235,.16);
}
#profileFallback{display:none}

.hero-meta{padding:16px}
.h2{margin:0; font-size: 1.5rem}
.h3{margin:0 0 6px; font-size: 1.22rem}
.muted{color: var(--muted)}
.hero-location{margin:0}
.profile-links{display:grid; gap:10px; margin-top:14px}
.email-link{
  font-size:13px;
  letter-spacing:.01em;
  font-weight:500;
}

.section{padding: 58px 0}
#about.section{padding-top:34px}
.section-head{display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom: 18px}
.section-head h2{margin:0; font-size: 1.62rem; letter-spacing:-.02em}
.section-head p{margin:0; max-width: 60ch}

.grid-3{display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px}
.grid-2{display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:14px}

.card{
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--bg2) 92%, transparent);
  border-radius: 22px;
  padding: 16px;
  box-shadow: 0 10px 22px rgba(2,6,23,.05);
}
.card h3{margin:0 0 8px; letter-spacing:-.02em}
.card p{margin:0}

.callout{
  display:grid;
  grid-template-columns: 1fr auto;
  align-items:center;
  gap:16px;
  border:1px solid var(--border);
  border-radius: 26px;
  padding: 16px;
  margin-top: 14px;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--bg2) 92%, transparent),
    color-mix(in srgb, var(--accent) 10%, transparent)
  );
}
.callout a{white-space:nowrap}

.timeline{display:grid; gap:14px}
.titem{display:grid; grid-template-columns: 190px 1fr; gap:14px; align-items:start}
.twhen{display:flex; flex-direction:column; gap:8px; align-items:flex-start; padding-top:16px;}
.tmeta-bubble{
  display:flex; align-items:center; justify-content:center;
  width:100%;
  min-height:36px;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--bg2) 92%, transparent);
  font-weight:700;
  font-size: 12px;
  text-align:center;
}

.tags{display:flex; flex-wrap:wrap; gap:8px; margin-top: 12px}
.tags span{
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg2) 92%, transparent);
  color: color-mix(in srgb, var(--text) 82%, var(--muted));
}
.project-head{display:flex; align-items:center; justify-content:space-between; gap:10px}
.pill{
  font-size:12px;
  font-weight:800;
  padding: 8px 10px;
  border-radius:999px;
  border: 1px solid color-mix(in srgb, var(--accent2) 35%, var(--border));
  background: color-mix(in srgb, var(--accent2) 10%, transparent);
}
.bullets{margin-top: 10px}
.bullets li{margin:.35rem 0}

.stacked{display:grid; gap:14px}

.contact-grid{display:grid; grid-template-columns: 1fr 1fr; gap:14px; align-items:start}
#contact .contact-grid{
  grid-template-columns: 1fr;
  max-width: 980px;
  margin: 0 auto;
}
label{display:block; margin: 12px 0}
label span{display:block; font-size: 13px; color: var(--muted); margin-bottom:6px}
input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--bg2) 92%, transparent);
  color: var(--text);
  font-family: var(--font);
  outline:none;
}
input:focus, textarea:focus{
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 15%, transparent);
}
.tiny{font-size: 12px; margin-top:10px}

.contact-list{display:grid; gap:10px; margin-top: 14px}
.contact-list a{
  display:flex; align-items:center; justify-content:space-between;
  border:1px solid var(--border);
  border-radius: 14px;
  padding: 12px 12px;
  background: color-mix(in srgb, var(--bg2) 92%, transparent);
}

/* Certifications: 2 per row (desktop), 1 per row (mobile) */
.badge-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:10px;
  margin-top: 10px;
}
.badge-tile{
  display:flex; gap:12px; align-items:center;
  border:1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  background: color-mix(in srgb, var(--bg2) 92%, transparent);
}
.badge-dot{
  width:12px; height:12px; border-radius:999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 10px 22px color-mix(in srgb, var(--accent2) 22%, transparent);
}
.badge-title{font-weight:850; letter-spacing:-.01em}
.badge-sub{font-size:13px; color: var(--muted); margin-top:2px}

.edu{margin-top: 8px}
.edu-title{font-weight:850; letter-spacing:-.01em}
.edu-sub{margin-top:4px}
.cred-note{margin:6px 0 12px}
.cred-card{
  border-color: color-mix(in srgb, var(--accent) 20%, var(--border));
}
.cred-card.edu-card{
  border-color: color-mix(in srgb, var(--accent2) 24%, var(--border));
  background: linear-gradient(
    140deg,
    color-mix(in srgb, var(--bg2) 95%, transparent) 0%,
    color-mix(in srgb, var(--accent2) 6%, transparent) 58%,
    color-mix(in srgb, var(--accent) 10%, transparent) 100%
  );
}
.cred-card.cert-card{
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--bg2) 91%, transparent),
    color-mix(in srgb, var(--accent) 10%, transparent)
  );
}

.footer{padding: 22px 0 40px; border-top:1px solid var(--border); background: color-mix(in srgb, var(--bg2) 70%, transparent)}
.footer-inner{display:flex; align-items:center; justify-content:space-between; gap:14px}
.footer-links{display:flex; gap:14px}
.footer-links a{color: var(--muted); font-weight:650; font-size:14px}

@media (max-width: 980px){
  .twhen{padding-top:0;}

  .hero-grid{grid-template-columns:1fr}
  .hero{
    min-height: calc(100svh - 68px);
    padding:18px 0 12px;
    align-items:start;
  }
  .intro-bubble{padding:16px 16px}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .titem{grid-template-columns:1fr}
  .section-head{flex-direction:column; align-items:flex-start}
  .contact-grid{grid-template-columns:1fr}
  .badge-grid{grid-template-columns:1fr}
  .nav{display:none}
  .nav-toggle{display:inline-flex}
  .site-header[data-open="true"] .nav{
    display:flex;
    position:absolute;
    left:0; right:0; top:64px;
    padding:14px 20px;
    background: color-mix(in srgb, var(--bg2) 92%, transparent);
    border-bottom:1px solid var(--border);
    gap:10px;
    flex-wrap:wrap;
  }
  .callout{grid-template-columns:1fr}
  .callout a{justify-self:start}
}