/* -------------------------------------------------------
   Modern theme & typography (compact scale)
   Headings: Poppins; Body: Inter
--------------------------------------------------------*/
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Poppins:wght@600;700;800&display=swap');

/* ================= Tokens ================= */
:root{
  --bg:#f7f8fb; --panel:#ffffff; --elev:#ffffff;
  --text:#0f172a; --muted:#475569; --accent:#2563eb;
  --accent-contrast:#ffffff; --border:#e5e7eb;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-md: 1rem;
  --fs-h3: clamp(1rem, 2.3vw, 1.2rem);
  --fs-h2: clamp(1.15rem, 2.8vw, 1.5rem);
  --fs-h1: clamp(1.3rem, 3.2vw, 1.9rem);

  --radius:12px;
  --shadow:0 1px 2px rgba(2,6,23,.06), 0 8px 16px rgba(2,6,23,.08);
  --shadow-soft:0 1px 2px rgba(2,6,23,.05), 0 6px 12px rgba(2,6,23,.06);

  --brand-github:#111827; --brand-linkedin:#0a66c2;

  --pill-bg: var(--elev);
  --pill-border: var(--border);
  --pill-text: var(--text);
  --pill-hover: color-mix(in srgb, var(--accent) 6%, var(--elev));
  --pill-shadow: var(--shadow);
  --comp-check:#16c784;

  --badge-bg:#eef2ff; --badge-text:#2436a8;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0d1117; --panel:#161b22; --elev:#1b2332;
    --text:#e6e9f5; --muted:#9aa4c7; --accent:#66e3ff;
    --accent-contrast:#061222; --border:#203046;

    --shadow:0 1px 0 rgba(255,255,255,.02), 0 8px 16px rgba(0,0,0,.45);
    --shadow-soft:0 1px 0 rgba(255,255,255,.02), 0 6px 12px rgba(0,0,0,.35);

    --brand-github:#0b0f1e;
    --pill-hover: color-mix(in srgb, var(--accent) 10%, var(--elev));
    --comp-check:#23e3a2;

    --badge-bg:#162044; --badge-text:#b8c7ff;
  }
}

/* ================= Base ================= */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:"Inter", system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  font-weight:400; line-height:1.6;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  font-size: var(--fs-sm);
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin-inline:auto;padding:0 18px}

/* ================= Header ================= */
.site-header{
  position:sticky; top:0; z-index:10;
  background:color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
  padding:10px 0;
}
.site-name{
  margin:0; font-weight:800; letter-spacing:.2px;
  font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size:var(--fs-h1);
}
.site-role{margin:2px 0 6px; color:var(--muted); font-size:var(--fs-md)}
.contact-row{display:flex; flex-wrap:wrap; gap:6px 12px}
.contact-item{display:inline-flex; align-items:center; gap:8px; color:var(--text); font-size:var(--fs-sm)}
.icon{width:16px; height:16px}

.header-right{display:flex; gap:8px; flex-wrap:wrap; align-items:center}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px; border-radius:10px; border:1px solid var(--border);
  background:var(--elev); color:var(--text); box-shadow:var(--shadow);
  font-weight:700; text-decoration:none; font-size:var(--fs-sm);
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-1px); box-shadow:0 6px 16px rgba(0,0,0,.12)}
.btn.brand.github{background:var(--brand-github); color:#fff; border-color:transparent}
.btn.brand.linkedin{background:var(--brand-linkedin); color:#fff; border-color:transparent}

/* ================= Tabs ================= */
.tabs{display:flex; justify-content:center; gap:8px; padding:8px 0 10px; border-top:1px solid var(--border)}
.tab-btn{
  display:inline-flex; align-items:center; gap:6px;
  padding:7px 10px; border-radius:10px; border:1px solid var(--border);
  background:var(--elev); color:var(--text); box-shadow:var(--shadow);
  font-weight:700; cursor:pointer; font-size:var(--fs-sm);
  transition: background .15s ease, color .15s ease, transform .15s ease;
}
.tab-btn .icon{width:16px;height:16px}
.tab-btn[aria-selected="true"]{background:var(--accent); color:var(--accent-contrast); border-color:transparent}
.tab-btn:hover{transform:translateY(-1px)}
.tab-btn:focus-visible{outline:2px solid var(--accent)}
.tabpanel[hidden]{display:none}

/* ================= Content ================= */
.content-wrap{padding:14px 0}

/* Headings */
.h2{
  font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size:var(--fs-h2); margin:0 0 8px; font-weight:700; letter-spacing:.2px;
}
.h3{
  font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size:var(--fs-h3); margin:0 0 8px; font-weight:700;
}
.center{text-align:center}

/* Accent underline for important section headers */
.heading-accent{
  position:relative;
}
.heading-accent::after{
  content:""; display:block; height:3px; width:140px; margin:6px auto 0;
  background:linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 30%, var(--panel)));
  border-radius:999px;
}

/* Card */
.card{
  background:var(--panel); border:1px solid var(--border);
  border-radius:var(--radius); padding:14px; box-shadow:var(--shadow);
}

/* Hero summary (Resume) */
.hero{background:
  radial-gradient(900px 240px at 50% -90px, color-mix(in srgb, var(--accent) 7%, transparent), transparent 70%),
  var(--panel);
}
.lead{max-width:880px;margin:0 auto;color:var(--muted); font-size:var(--fs-md)}

/* Two-up layout (Resume) */
.two-up{display:grid; gap:12px; margin-top:12px}
@media (min-width: 900px){ .two-up{grid-template-columns:1fr 1fr} }

/* Metrics (Resume) */
.metrics-grid{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px}
.metric{
  padding:12px; border:1px solid var(--border); border-radius:10px; background:var(--elev);
  text-align:center; transition:transform .15s ease, background .15s ease, border-color .15s ease;
}
.metric:hover{transform:translateY(-1px); background:var(--pill-hover); border-color: color-mix(in srgb, var(--accent) 14%, var(--border));}
.metric-icon{display:inline-flex; align-items:center; justify-content:center; margin-bottom:4px}
.metric-icon svg{width:22px;height:22px; color:var(--accent)}
.metric-value{margin:0; font-weight:800; font-size:1.35rem; font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;}
.metric-caption{margin:2px 0 0; color:var(--muted); font-size:var(--fs-xs)}

/* Core Competencies */
.competency-list{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px}
.competency-item{
  display:flex; align-items:center; gap:10px;
  background:var(--pill-bg);
  border:1px solid var(--pill-border);
  color:var(--pill-text);
  border-radius:10px;
  padding:10px 12px;
  box-shadow:var(--pill-shadow);
  transition: background .15s ease, transform .15s ease, border-color .15s ease;
}
.competency-item:hover{
  background:var(--pill-hover);
  transform:translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 18%, var(--pill-border));
}
.check-icon{width:18px; height:18px; flex:none; color:var(--comp-check)}

/* Value cards (Resume) */
.value-card{margin-top:12px}
.value-grid{display:grid; gap:10px}
@media (min-width:900px){ .value-grid{grid-template-columns:repeat(3,1fr)} }
.value-item{text-align:center}
.value-title{
  margin:0 0 4px; font-weight:700; font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size:1rem;
}
.value-text{margin:0; color:var(--muted)}

/* Section title */
.section-title{
  font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size:clamp(1.05rem,3vw,1.35rem); font-weight:800; text-align:center;
  margin:18px 0 8px;
}

/* Job cards */
.job-card{margin:12px 0}
.job-head{display:flex; justify-content:space-between; align-items:flex-start; gap:10px; margin-bottom:6px}
.job-tags{list-style:none; padding:0; margin:0; display:flex; flex-wrap:wrap; gap:6px}
.job-tags.bottom{margin-top:10px}
.tag{background:var(--elev); border:1px solid var(--border); border-radius:999px; padding:3px 7px; font-size:var(--fs-xs)}

/* Three-line layout with single-line title */
.job-lines{display:flex; flex-direction:column; gap:1px; min-width:240px}
.job-role{
  font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-weight:800; letter-spacing:.2px; font-size:1.05rem;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.job-company{font-weight:600; color:var(--text)}
.job-meta{color:var(--muted); font-size:var(--fs-xs)}

/* Bullets */
.bullets{margin:0; padding-left:18px}
.bullets li{margin:3px 0}

/* ================= Technical Skills (added) ================= */
.skills-grid{
  display:grid; gap:12px; margin:10px 0 0;
  grid-template-columns:1fr;
}
@media (min-width: 880px){
  .skills-grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width: 1100px){
  .skills-grid{grid-template-columns:repeat(3,1fr)}
}
.skill-card{padding:14px; display:flex; flex-direction:column; gap:10px}
.skill-title{
  margin:0; font-weight:800; letter-spacing:.2px;
  font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size:1rem;
}
.skill-badges{display:flex; flex-wrap:wrap; gap:6px}
.pill{
  background:var(--elev);
  border:1px solid var(--border);
  color:var(--text);
  border-radius:999px;
  padding:5px 9px;
  font-size:var(--fs-xs);
  font-weight:700;
  box-shadow:var(--shadow-soft);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.pill:hover{transform:translateY(-1px); background:var(--pill-hover); border-color: color-mix(in srgb, var(--accent) 16%, var(--border));}

/* ================= HomeLab ================= */
.hl-hero{
  text-align:center;
  background:
    radial-gradient(1100px 360px at 50% -130px, color-mix(in srgb, var(--accent) 8%, transparent), transparent 70%),
    var(--panel);
  padding:18px 14px;
}
.hl-title{display:flex; align-items:center; justify-content:center; gap:8px; margin-bottom:6px}
.hl-title h2{
  margin:0; font-size:clamp(1.2rem,3.1vw,1.6rem); font-weight:800;
  font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
.hl-server{width:28px;height:28px;color:var(--accent)}
.hl-sub{max-width:780px;margin:4px auto 10px; color:var(--muted); font-size:var(--fs-sm)}
.badges{display:flex; flex-wrap:wrap; justify-content:center; gap:6px}
.badge{
  background:var(--badge-bg); color:var(--badge-text);
  border:1px solid color-mix(in srgb, var(--badge-text) 18%, transparent);
  padding:5px 9px; border-radius:999px; font-weight:700; font-size:var(--fs-xs);
}

/* Stack grid (two columns) */
.stack-grid{display:grid; gap:12px; margin-top:12px}
@media (min-width: 980px){ .stack-grid{grid-template-columns:1fr 1fr} }

.stack-card{padding:14px}
.stack-head{margin-bottom:6px}
.stack-title{
  display:flex; align-items:center; gap:8px; font-weight:800;
  font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
.stack-icon{width:18px; height:18px}

/* Bulleted lists with tiny dots */
.dot-list{margin:0; padding-left:0; list-style:none}
.dot-list li{
  display:flex; align-items:flex-start; gap:8px;
  padding:5px 0; border-bottom:1px dashed color-mix(in srgb, var(--border) 70%, transparent);
}
.dot-list li::before{
  content:""; width:6px; height:6px; border-radius:999px;
  background:var(--accent); margin-top:7px; flex:none;
}
.dot-list li:last-child{border-bottom:none}

/* Footer */
.site-footer{padding:18px 0; color:var(--muted); text-align:center; font-size:var(--fs-xs)}

/* ============ Mobile ============ */
@media (max-width: 640px){
  .header-inner{flex-direction:column; align-items:flex-start; padding:8px 0}
  .btn, .tab-btn{padding:7px 9px; font-size:var(--fs-xs)}
  .card{padding:12px}
  .metric{padding:10px}
  .metric-value{font-size:1.2rem}
  .lead{font-size:var(--fs-sm)}
  .job-head{flex-direction:column}
  .hl-sub{font-size:var(--fs-sm)}
}