:root {
  --bg: #0b0f10;
  --bg-soft: #11181b;
  --bg-card: #0f1518;
  --border: #1d272b;
  --text: #cfd6dd;
  --text-dim: #8a949c;
  --green: #9be15d;
  --green-soft: #6ea841;
  --amber: #ffb454;
  --red: #ff6b6b;
  --blue: #5cc8ff;
  --shadow: 0 0 0 1px var(--border), 0 8px 30px rgba(0, 0, 0, 0.5);
  --radius: 6px;
  --max: 1080px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: border-color 120ms ease, color 120ms ease;
}
a:hover,
a:focus-visible {
  border-bottom-color: var(--green);
  color: #b8f47a;
}

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

/* ---------- CRT scanline overlay (decorative) ---------- */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.018) 0px,
    rgba(255, 255, 255, 0.018) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 22px;
  background: rgba(11, 15, 16, 0.85);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.topbar__logo {
  font-weight: 700;
  color: var(--text);
  border-bottom: none;
}
.topbar__logo .prompt {
  color: var(--green);
  margin-right: 6px;
}
.topbar__nav {
  display: flex;
  gap: 18px;
  font-size: 13.5px;
}
.topbar__nav a {
  color: var(--text-dim);
}
.topbar__nav a:hover,
.topbar__nav a:focus-visible {
  color: var(--green);
}

/* ---------- main / sections ---------- */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 36px 22px 80px;
}
.section {
  margin: 64px 0;
}
.section__title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dim);
  margin: 0 0 22px;
  letter-spacing: 0.02em;
}
.section__title .prompt {
  color: var(--green);
  margin-right: 4px;
}
.section__body p {
  margin: 0 0 14px;
  max-width: 70ch;
}

/* ---------- hero terminal ---------- */
.hero {
  margin-top: 18px;
}
.terminal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #0a0d0e;
  border-bottom: 1px solid var(--border);
}
.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.dot--red {
  background: #ff5f56;
}
.dot--yellow {
  background: #ffbd2e;
}
.dot--green {
  background: #27c93f;
}
.terminal__title {
  margin-left: 10px;
  color: var(--text-dim);
  font-size: 12.5px;
}
.terminal__body {
  padding: 26px 28px 32px;
}
.line {
  margin: 0 0 12px;
  color: var(--text-dim);
  font-size: 13.5px;
}
.prompt {
  color: var(--green);
}
.path {
  color: var(--blue);
}
.cursor {
  display: inline-block;
  color: var(--green);
  margin-left: 2px;
  animation: blink 1.05s steps(2, end) infinite;
}
@keyframes blink {
  to {
    opacity: 0;
  }
}
.hero__name {
  font-size: clamp(28px, 5vw, 44px);
  margin: 4px 0 8px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.hero__role {
  margin: 0 0 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--text-dim);
  background: #0c1316;
}
.tag--green {
  color: var(--green);
  border-color: var(--green-soft);
}
.hero__sub {
  margin: 6px 0 22px;
  color: var(--text);
  max-width: 60ch;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}
.btn {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--green-soft);
  border-radius: var(--radius);
  background: var(--green);
  color: #0b0f10;
  font-weight: 700;
  border-bottom: 1px solid var(--green-soft);
}
.btn:hover,
.btn:focus-visible {
  filter: brightness(1.05);
  color: #0b0f10;
}
.btn--ghost {
  background: transparent;
  color: var(--green);
  border-color: var(--green-soft);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: rgba(155, 225, 93, 0.08);
  color: var(--green);
}

/* ---------- meta list (about) ---------- */
.meta-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  display: grid;
  gap: 6px;
  max-width: 60ch;
}
.meta-list li {
  display: flex;
  gap: 10px;
  color: var(--text);
  font-size: 14px;
}
.meta-list li span {
  color: var(--text-dim);
  min-width: 92px;
}
.meta-list .ok {
  color: var(--green);
}

/* ---------- skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.skill-card h3 {
  margin: 0 0 10px;
  font-size: 13.5px;
  text-transform: lowercase;
  letter-spacing: 0.04em;
  color: var(--amber);
}
.skill-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--text);
  font-size: 14px;
}
.skill-card li {
  padding: 2px 0;
  position: relative;
  padding-left: 14px;
}
.skill-card li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--green-soft);
}

/* ---------- projects ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.projects-grid .loading {
  color: var(--text-dim);
}
.project {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 140ms ease, border-color 140ms ease;
}
.project:hover,
.project:focus-within {
  transform: translateY(-2px);
  border-color: var(--green-soft);
}
.project__head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
}
.project__perms {
  color: var(--green-soft);
}
.project__name {
  margin: 0;
  font-size: 16.5px;
  color: var(--text);
}
.project__name a {
  color: inherit;
  border-bottom: none;
}
.project__name a:hover,
.project__name a:focus-visible {
  color: var(--green);
}
.project__desc {
  margin: 0;
  font-size: 14px;
  color: var(--text);
  flex: 1;
}
.project__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12.5px;
  color: var(--text-dim);
}
.project__lang {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.lang-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}
.lang-python {
  background: #3572a5;
}
.lang-java {
  background: #b07219;
}
.lang-c {
  background: #555;
}
.lang-typescript {
  background: #2b7489;
}
.lang-jupyter-notebook {
  background: #da5b0b;
}
.lang-html {
  background: #e34c26;
}
.lang-default {
  background: #4f5b66;
}
.project__stars {
  color: var(--amber);
}
.projects-foot {
  margin: 24px 0 0;
  font-size: 14px;
}

/* ---------- stats ---------- */
.stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}
.stats li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stats strong {
  font-size: 28px;
  color: var(--green);
  font-weight: 700;
}
.stats span {
  color: var(--text-dim);
  font-size: 13px;
}

/* ---------- contact ---------- */
.contact-lead {
  margin: 0 0 18px;
  max-width: 60ch;
}
.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  max-width: 60ch;
}
.contact-list li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  font-size: 14.5px;
}
.contact-list .key {
  color: var(--amber);
  min-width: 110px;
  text-transform: lowercase;
  letter-spacing: 0.04em;
}

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 22px;
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
}
.footer .prompt {
  color: var(--green);
}

.project__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 6px 0 10px;
}
.project__links a {
  font-size: 12px;
  color: var(--blue);
  border-bottom: 1px dashed transparent;
  transition: border-color 120ms ease;
}
.project__links a:hover {
  border-bottom-color: var(--blue);
}

/* ---------- experience ---------- */
.exp-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 12px;
}

.exp-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}

.exp-date {
  color: var(--green);
  font-size: 13px;
  font-weight: 500;
}

.exp-role {
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
}

.exp-company {
  color: var(--text-dim);
  font-size: 14px;
}

.exp-desc {
  margin: 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}
.exp-date {
  color: var(--amber);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--mono);
}
.exp-date::before {
  content: "$ ";
  color: var(--green);
}

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  body {
    font-size: 14px;
  }
  main {
    padding: 24px 16px 60px;
  }
  .topbar {
    padding: 12px 16px;
  }
  .topbar__nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    gap: 14px;
  }
  .topbar__nav a {
    white-space: nowrap;
  }
  .terminal__body {
    padding: 20px 18px 24px;
  }
  .section {
    margin: 48px 0;
  }
  .contact-list li {
    flex-direction: column;
    gap: 2px;
  }
  .contact-list .key {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cursor {
    animation: none;
  }
  .project {
    transition: none;
  }
}