:root {
  color-scheme: light dark;
  --bg: #0b0f14;
  --bg-alt: #121822;
  --card: #141b26;
  --text: #e6edf3;
  --muted: #8b96a5;
  --accent: #2dd4bf;
  --accent-soft: rgba(45, 212, 191, 0.12);
  --border: rgba(255, 255, 255, 0.09);
  --mono: ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;
  --sans: -apple-system, "Segoe UI", Inter, Roboto, sans-serif;
}

:root[data-theme="light"] {
  --bg: #f6f7f9;
  --bg-alt: #ffffff;
  --card: #ffffff;
  --text: #14181f;
  --muted: #5b6472;
  --accent: #0f766e;
  --accent-soft: rgba(15, 118, 110, 0.09);
  --border: rgba(0, 0, 0, 0.09);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f7f9;
    --bg-alt: #ffffff;
    --card: #ffffff;
    --text: #14181f;
    --muted: #5b6472;
    --accent: #0f766e;
    --accent-soft: rgba(15, 118, 110, 0.09);
    --border: rgba(0, 0, 0, 0.09);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  font-size: 16px;
  overflow-x: hidden;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.28;
  pointer-events: none;
}
.bg-orb-a {
  width: 420px;
  height: 420px;
  top: -140px;
  left: -120px;
  background: var(--accent);
}
.bg-orb-b {
  width: 380px;
  height: 380px;
  bottom: -160px;
  right: -100px;
  background: #6366f1;
}
:root[data-theme="light"] .bg-orb { opacity: 0.16; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .bg-orb { opacity: 0.16; }
}

a { color: var(--accent); }

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent);
  z-index: 20;
  transition: width 0.1s ease-out;
}

@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }
  .js .reveal.in-view {
    opacity: 1;
    transform: none;
  }
}

.wrap {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}
.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.8em;
  letter-spacing: 0.02em;
}
.brand-name {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.85em;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .brand-name { display: none; }
}

.nav-links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.85em;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
}
.nav-links a.active,
.nav-links a:hover {
  color: var(--text);
  background: var(--accent-soft);
}
.nav-actions {
  display: flex;
  gap: 8px;
}
.icon-btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.85em;
  font-family: var(--mono);
  cursor: pointer;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Hero */
.hero {
  padding: 56px 0 32px;
}
.eyebrow {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.9em;
  margin: 0 0 10px;
}
.eyebrow::before { content: "> "; }
.eyebrow .cursor {
  display: inline-block;
  width: 8px;
  background: var(--accent);
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .eyebrow .cursor { animation: none; }
}
h1 {
  font-size: clamp(1.8em, 4vw, 2.4em);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.role {
  color: var(--muted);
  margin: 0 0 20px;
  font-size: 1.05em;
}
.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.contact-row a, .contact-row span.plain {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--muted);
  text-decoration: none;
}
.contact-row a:hover { color: var(--accent); }
.pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  background: var(--card);
}

/* CTA buttons */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.cta {
  font-family: var(--mono);
  font-size: 0.85em;
  text-decoration: none;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.cta-topmate {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 600;
}
.cta-topmate:hover { opacity: 0.9; }
.cta-coffee {
  background: var(--card);
  color: var(--text);
}
.cta-coffee:hover { border-color: var(--accent); color: var(--accent); }

/* Sections */
section { scroll-margin-top: 70px; padding: 30px 0; }
section + section { border-top: 1px solid var(--border); }
h2 {
  font-family: var(--mono);
  font-size: 0.85em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}

p { margin: 0 0 12px; color: var(--text); }
p.muted { color: var(--muted); }

/* Skills */
.skill-group { margin-bottom: 14px; }
.skill-group:last-child { margin-bottom: 0; }
.skill-group h3 {
  font-size: 0.8em;
  color: var(--muted);
  margin: 0 0 8px;
  font-weight: 600;
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-family: var(--mono);
  font-size: 0.78em;
  background: var(--accent-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 9px;
}

/* Experience */
details.role-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
}
details.role-card summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
details.role-card summary::-webkit-details-marker { display: none; }
.role-title { font-weight: 600; }
.role-company { color: var(--muted); font-weight: 400; }
.role-dates {
  font-family: var(--mono);
  font-size: 0.8em;
  color: var(--muted);
  white-space: nowrap;
}
.chevron {
  font-family: var(--mono);
  color: var(--accent);
  transition: transform 0.15s ease;
}
details[open] .chevron { transform: rotate(90deg); }
.role-body { padding: 0 20px 18px; }
.role-body ul { margin: 0; padding-left: 20px; }
.role-body li { margin-bottom: 8px; color: var(--text); }

/* Education / certs */
.list-plain { margin: 0; padding-left: 20px; }
.list-plain li { margin-bottom: 6px; }

/* Live-data tag */
.live-tag {
  font-family: var(--mono);
  font-size: 0.75em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--muted);
}
.live-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 5px;
}
p.small { font-size: 0.85em; }

/* Projects */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--text);
  display: block;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.project-card p {
  color: var(--muted);
  font-size: 0.88em;
  margin: 0;
}
.project-head {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}
.project-name {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.9em;
  margin-right: auto;
}
.lang-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}
.lang { font-size: 0.75em; color: var(--muted); font-family: var(--mono); }
.lang-hcl { background: #844fba; }
.lang-python { background: #3572A5; }
.lang-shell { background: #89e051; }
.lang-js { background: #f1e05a; }
.lang-jupyter { background: #DA5B0B; }

/* Badges card */
.badges-card { margin-top: 12px; }
.badges-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 12px;
}
.badges-head h3 { margin: 0; font-size: 0.95em; }
.badges-stats {
  display: flex;
  gap: 14px;
  font-size: 0.82em;
  color: var(--muted);
  font-family: var(--mono);
}
.badges-stats strong { color: var(--accent); }

.credential-list {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
  display: grid;
  gap: 8px;
}
.credential-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.credential-list li:last-child { border-bottom: none; padding-bottom: 0; }
.cred-name { font-size: 0.9em; }
.cred-meta {
  font-family: var(--mono);
  font-size: 0.78em;
  color: var(--muted);
  white-space: nowrap;
}

footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8em;
}

@media print {
  .nav { display: none; }
  .hero { padding-top: 0; }
  details.role-card { border: none; break-inside: avoid; }
  details.role-card summary { padding: 6px 0; }
  .role-body { padding: 0 0 10px; }
  section { padding: 10px 0; }
  body { background: #fff; color: #000; }
}