:root {
  --bg:            #0b0e14;
  --surface:       #11151d;
  --surface-hover: #171c28;
  --border:        #1e2535;
  --border-soft:   #181d29;
  --text-bright:   #e2e8f0;
  --text-body:     #8892a4;
  --text-dim:      #556071;
  --accent:        #5eea9e;
  --accent-dim:    rgba(94,234,158,0.12);
  --accent-glow:   rgba(94,234,158,0.06);
  --amber:         #e3b341;

  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;

  --maxw: 900px;
  --pad: 24px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
html,body{ margin:0; padding:0; }

body{
  background:var(--bg);
  color:var(--text-body);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

@media (prefers-reduced-motion:reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

::selection{ background:var(--accent-dim); color:var(--accent); }

a{ color:var(--accent); text-decoration:none; transition:color .2s; }
a:hover{ color:var(--text-bright); }

:focus-visible{
  outline:2px solid var(--accent); outline-offset:3px; border-radius:4px;
}

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 var(--pad); }

/* ---------- Header ---------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(11,14,20,0.82);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border-soft);
}
.site-header .wrap{
  max-width:1100px;
  display:flex; align-items:center; justify-content:space-between;
  height:64px;
}
.logo{
  color:var(--accent); font-weight:700; font-size:18px; letter-spacing:-0.3px;
  font-family:var(--sans);
}
.logo .dim{ color:var(--text-body); }
.nav-links{ display:flex; gap:32px; list-style:none; margin:0; padding:0; }
.nav-links a{
  color:var(--text-dim); font-size:13px; font-family:var(--mono);
  position:relative; padding-bottom:2px;
}
.nav-links a .num{ color:var(--accent); margin-right:4px; }
.nav-links a::after{
  content:''; position:absolute; bottom:-2px; left:0; width:0; height:1px;
  background:var(--accent); transition:width .25s ease;
}
.nav-links a:hover{ color:var(--text-bright); }
.nav-links a:hover::after,
.nav-links a.current::after{ width:100%; }
.nav-toggle{ display:none; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:13px;
  padding:13px 26px;
  border:1px solid var(--accent);
  color:var(--accent);
  border-radius:6px;
  background:transparent;
  cursor:pointer;
  transition:background .25s ease, color .25s ease, transform .15s ease, box-shadow .25s;
  box-shadow:0 0 0 0 var(--accent-dim);
}
.btn:hover{
  background:var(--accent-dim);
  color:var(--accent);
  transform:translateY(-2px);
  box-shadow:0 6px 24px var(--accent-dim);
}
.btn-ghost{
  border-color:transparent; color:var(--text-body);
  padding:13px 6px; font-family:var(--mono); font-size:13px;
  display:inline-flex; align-items:center; gap:6px;
  transition:color .2s, gap .2s;
}
.btn-ghost .arrow{ color:var(--accent); }
.btn-ghost:hover{ color:var(--text-bright); gap:10px; }

/* ---------- Hero ---------- */
.hero{
  min-height:100vh;
  display:flex; flex-direction:column; justify-content:center;
  padding-top:64px;
}
.hero .eyebrow{ color:var(--accent); font-size:14px; margin:0 0 16px; font-family:var(--mono); }
.hero h1{
  font-size:clamp(36px,5.5vw,58px); line-height:1.12; color:var(--text-bright);
  margin:0; font-weight:700;
  letter-spacing:-1px;
}
.hero h1 .accent{ color:var(--accent); }
.hero .lede{
  max-width:560px; margin-top:22px; font-size:15px; color:var(--text-dim);
  line-height:1.8;
}
.hero .cta-row{ display:flex; align-items:center; gap:28px; margin-top:38px; }

/* ---------- Terminal -- hero ---------- */
.terminal{
  margin-top:56px;
  border:1px solid var(--border);
  border-radius:8px;
  background:var(--surface);
  overflow:hidden;
  max-width:640px;
  transition:box-shadow .3s;
}
.terminal:hover{ box-shadow:0 4px 32px rgba(0,0,0,.3); }
.terminal .tbar{
  display:flex; gap:7px; align-items:center;
  padding:11px 15px; border-bottom:1px solid var(--border-soft);
}
.terminal .dot{ width:10px; height:10px; border-radius:50%; background:#232b3a; }
.terminal .dot:nth-child(1){ background:#ff5f56; }
.terminal .dot:nth-child(2){ background:#ffbd2e; }
.terminal .dot:nth-child(3){ background:#27c93f; }
.terminal .tlabel{
  margin-left:10px; font-size:11px; color:var(--text-dim); font-family:var(--mono);
}
.terminal pre{
  margin:0; padding:16px 18px; font-size:13px; color:var(--text-body);
  overflow-x:auto; white-space:pre; font-family:var(--mono);
}
.terminal .prompt{ color:var(--accent); }
.terminal .command{ color:var(--text-bright); }
.terminal .out{ color:var(--accent); }
.caret{
  display:inline-block; width:7px; height:14px; background:var(--accent);
  margin-left:2px; animation:blink 1s step-end infinite; vertical-align:-2px;
}
@keyframes blink{ 50%{ opacity:0; } }

/* ---------- Section ---------- */
.section{ padding:100px 0; }
.section+.section{ border-top:1px solid var(--border-soft); }
.section-head{
  display:flex; align-items:baseline; gap:14px; margin-bottom:40px;
}
.section-head h2{
  font-size:22px; color:var(--text-bright); margin:0; white-space:nowrap;
  font-weight:600; letter-spacing:-0.3px;
}
.section-head .prompt-mark{ color:var(--accent); font-family:var(--mono); font-size:17px; }
.section-head .rule{ flex:1; height:1px; background:var(--border); }

/* ---------- About ---------- */
.about p{ font-size:15px; margin:0 0 20px; max-width:640px; line-height:1.8; }
.about strong.hl{ color:var(--accent); font-weight:500; }
.about .badges{ display:flex; gap:10px; flex-wrap:wrap; margin-top:12px; }
.badge{
  font-size:12px; padding:6px 12px; border:1px solid var(--border);
  border-radius:6px; color:var(--text-dim); font-family:var(--mono);
}

/* ---------- Skills ---------- */
.skill-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:16px;
}
.skill-card{
  background:var(--surface); border:1px solid var(--border);
  border-radius:8px; padding:24px;
  transition:border-color .25s, transform .2s, box-shadow .25s;
}
.skill-card:hover{
  border-color:var(--accent-dim);
  transform:translateY(-2px);
  box-shadow:0 8px 30px rgba(0,0,0,.2);
}
.skill-card h3{
  font-size:13px; color:var(--text-bright); margin:0 0 16px;
  display:flex; align-items:center; gap:8px; font-weight:600;
  text-transform:uppercase; letter-spacing:0.5px;
}
.skill-card h3 .ico{ color:var(--accent); }
.chip-row{ display:flex; gap:8px; flex-wrap:wrap; }
.chip{
  font-size:12px; padding:5px 10px; border-radius:4px;
  background:var(--accent-dim); color:var(--accent);
}

/* ---------- Experience ---------- */
.exp{ display:flex; gap:0; }
.exp-tabs{
  list-style:none; margin:0; padding:0; min-width:170px;
  border-left:1px solid var(--border);
}
.exp-tabs li{
  padding:12px 18px; font-size:13px; color:var(--text-dim); font-family:var(--mono);
  cursor:pointer; border-left:2px solid transparent; margin-left:-1px;
  transition:color .2s, border-color .2s, background .2s;
}
.exp-tabs li:hover{ color:var(--text-bright); background:var(--surface); }
.exp-tabs li.active{
  color:var(--accent); border-left-color:var(--accent); background:var(--surface);
}
.exp-panel{ padding-left:36px; flex:1; }
.exp-pane{ display:none; animation:fadeIn .3s ease; }
.exp-pane.active{ display:block; }
@keyframes fadeIn{ from{ opacity:0; transform:translateY(6px); } to{ opacity:1; transform:translateY(0); } }
.exp-pane h3{ font-size:17px; color:var(--text-bright); margin:0 0 4px; font-weight:600; }
.exp-pane h3 .at{ color:var(--accent); }
.exp-pane .dates{ font-size:12px; color:var(--text-dim); margin-bottom:16px; font-family:var(--mono); }
.exp-pane ul{ list-style:none; margin:0 0 18px; padding:0; }
.exp-pane li{ position:relative; padding-left:22px; margin-bottom:10px; font-size:14.5px; line-height:1.7; }
.exp-pane li::before{ content:'▹'; position:absolute; left:0; color:var(--accent); }
.exp-pane .stack{ font-size:12px; color:var(--text-dim); font-family:var(--mono); }
.exp-pane .stack span{ color:var(--accent); }

/* ---------- Education & Certifications ---------- */
.cert-list{ display:flex; flex-direction:column; gap:0; }
.cert{
  display:flex; align-items:flex-start; justify-content:space-between;
  gap:24px; padding:28px 0; border-bottom:1px solid var(--border-soft);
  transition:padding-left .2s;
}
.cert:hover{ padding-left:8px; }
.cert:last-child{ border-bottom:none; }
.cert h3{ font-size:15px; color:var(--text-bright); margin:0 0 8px; font-weight:600; }
.cert p{ font-size:14px; margin:0 0 10px; max-width:560px; line-height:1.7; }
.cert .tags{ font-size:12px; color:var(--accent); font-family:var(--mono); }
.cert .ico{ font-size:22px; flex-shrink:0; opacity:.7; }

/* ---------- Blog preview (home) ---------- */
.blog-preview-list{ display:flex; flex-direction:column; }
.bp-row{
  display:grid; grid-template-columns:90px 1fr auto; gap:18px; align-items:baseline;
  padding:18px 0; border-bottom:1px solid var(--border-soft);
  transition:padding-left .2s;
}
.bp-row:hover{ padding-left:8px; }
.bp-row:first-child{ border-top:1px solid var(--border-soft); }
.bp-row .bp-date{ font-size:12px; color:var(--text-dim); font-family:var(--mono); }
.bp-row .bp-title{ font-size:15px; color:var(--text-bright); font-weight:500; }
.bp-row a.bp-title:hover{ color:var(--accent); }
.bp-row .bp-tag{ font-size:11.5px; color:var(--accent); white-space:nowrap; font-family:var(--mono); }
.view-all{ margin-top:32px; }

/* ---------- Contact ---------- */
.contact{ text-align:center; padding:120px 0; }
.contact .eyebrow{ color:var(--accent); font-size:13px; margin:0 0 10px; font-family:var(--mono); }
.contact h2{ font-size:clamp(28px,4vw,40px); color:var(--text-bright); margin:0 0 18px; letter-spacing:-0.5px; }
.contact p{ max-width:480px; margin:0 auto 38px; font-size:15px; line-height:1.8; }

/* ---------- Footer ---------- */
.site-footer{ padding:40px 0 56px; text-align:center; border-top:1px solid var(--border-soft); }
.footer-links{
  display:flex; justify-content:center; gap:28px; margin-bottom:16px;
  font-size:13px;
}
.footer-links a{ color:var(--text-dim); }
.footer-links a:hover{ color:var(--text-bright); }
.footer-note{ font-size:12px; color:var(--text-dim); font-family:var(--mono); }
.footer-note .prompt{ color:var(--accent); }

/* =========================================================
   BLOG LISTING PAGE
   ========================================================= */
.blog-hero{ padding-top:120px; padding-bottom:20px; }
.blog-hero .eyebrow{ color:var(--accent); font-size:13px; margin:0 0 12px; font-family:var(--mono); }
.blog-hero h1{ font-size:clamp(28px,4vw,40px); color:var(--text-bright); margin:0 0 14px; letter-spacing:-0.5px; }
.blog-hero > p{ max-width:540px; font-size:15px; line-height:1.8; margin-bottom:40px; }

.filter-row{
  display:flex; gap:8px; flex-wrap:wrap; margin-bottom:32px;
}
.filter-chip{
  font-size:12px; padding:7px 14px; border-radius:6px; cursor:pointer;
  border:1px solid var(--border); color:var(--text-dim); background:transparent;
  font-family:var(--mono); transition:all .2s;
}
.filter-chip:hover{ color:var(--text-bright); border-color:var(--text-dim); }
.filter-chip.active{ border-color:var(--accent); color:var(--accent); background:var(--accent-dim); }

.blog-card-grid{
  display:grid; grid-template-columns:1fr; gap:12px;
}
.blog-card{
  display:grid; grid-template-columns:100px 1fr 80px;
  gap:20px; align-items:center;
  padding:18px 22px;
  border:1px solid var(--border);
  border-radius:8px;
  background:var(--surface);
  transition:all .25s ease;
}
.blog-card:hover{
  border-color:var(--accent-dim);
  transform:translateY(-2px);
  box-shadow:0 8px 28px rgba(0,0,0,.2);
}
.blog-card.hidden{ display:none; }
.blog-card .card-date{ font-size:12px; color:var(--text-dim); font-family:var(--mono); }
.blog-card .card-title{ font-size:15px; color:var(--text-bright); font-weight:500; line-height:1.5; }
.blog-card a.card-title:hover{ color:var(--accent); }
.blog-card .card-meta{ text-align:right; font-size:12px; color:var(--text-dim); font-family:var(--mono); }
.blog-card .card-tags{ margin-top:4px; display:flex; gap:6px; flex-wrap:wrap; }
.blog-card .card-tag{
  font-size:11px; color:var(--accent); font-family:var(--mono);
}
.blog-summary{
  margin-top:24px; font-size:13px; color:var(--text-dim); font-family:var(--mono);
  text-align:center;
}

/* ---------- Responsive ---------- */
@media (max-width:820px){
  .skill-grid{ grid-template-columns:1fr; }
  .exp{ flex-direction:column; }
  .exp-tabs{
    display:flex; overflow-x:auto; border-left:none; border-bottom:1px solid var(--border);
    min-width:0; margin-bottom:20px;
  }
  .exp-tabs li{ border-left:none; border-bottom:2px solid transparent; white-space:nowrap; }
  .exp-tabs li.active{ border-left:none; border-bottom-color:var(--accent); }
  .exp-panel{ padding-left:0; }
  .blog-card{ grid-template-columns:1fr; gap:6px; }
  .blog-card .card-meta{ text-align:left; }
}
@media (max-width:640px){
  .nav-links{ display:none; }
  .hero h1{ font-size:36px; }
  .contact h2{ font-size:28px; }
  .bp-row{ grid-template-columns:1fr; gap:4px; }
  .section{ padding:60px 0; }
  .section-head{ flex-direction:column; gap:8px; }
  .section-head .rule{ width:100%; }
}