/* ---------- Theme tokens ---------- */
[data-bs-theme="dark"] {
  --mx-bg: #0e1116;
  --mx-surface: #161b22;
  --mx-surface-2: #1b222b;
  --mx-border: #232b35;
  --mx-text: #e6edf3;
  --mx-muted: #8b949e;
  --mx-accent: #22c9c3;
  --mx-accent-soft: rgba(34, 201, 195, 0.12);
  --mx-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
[data-bs-theme="light"] {
  --mx-bg: #f6f7f9;
  --mx-surface: #ffffff;
  --mx-surface-2: #f0f2f5;
  --mx-border: #e2e6eb;
  --mx-text: #16202b;
  --mx-muted: #5b6570;
  --mx-accent: #0e8f8a;
  --mx-accent-soft: rgba(14, 143, 138, 0.1);
  --mx-shadow: 0 8px 30px rgba(20, 30, 45, 0.08);
}

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

body {
  background: var(--mx-bg);
  color: var(--mx-text);
  font-family: "Inter", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.006em;
}
.wrap {
  max-width: 780px;
}

.mono {
  font-family: "JetBrains Mono", ui-monospace, monospace;
}
h1,
h2,
h3,
.display-face {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.02em;
}

/* eyebrow */
.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--mx-accent);
  letter-spacing: 0.02em;
  margin-bottom: 0.6rem;
}

/* ---------- Nav ---------- */
.navbar {
  background: color-mix(in srgb, var(--mx-bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.25s ease,
    background 0.25s ease;
}
.navbar.scrolled {
  border-bottom-color: var(--mx-border);
}
.brand {
  font-family: "JetBrains Mono", monospace;
  font-weight: 500;
  color: var(--mx-text);
  letter-spacing: -0.02em;
}
.brand .tag {
  color: var(--mx-accent);
}
.navbar .nav-link {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  color: var(--mx-muted);
  padding: 0.25rem 0.7rem;
}
.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--mx-text);
}
.theme-btn {
  border: 1px solid var(--mx-border);
  background: var(--mx-surface);
  color: var(--mx-text);
  width: 38px;
  height: 38px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    border-color 0.2s,
    color 0.2s,
    transform 0.2s;
}
.theme-btn:hover {
  color: var(--mx-accent);
  border-color: var(--mx-accent);
}
.theme-btn:active {
  transform: scale(0.94);
}
.navbar-toggler {
  border-color: var(--mx-border);
}

/* ---------- Hero ---------- */
.hero {
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
}
.hero h1 {
  font-size: clamp(2.1rem, 6vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
}
.hero .lede {
  color: var(--mx-muted);
  font-size: 1.08rem;
  line-height: 1.7;
  max-width: 36rem;
}
.hero .lede strong {
  color: var(--mx-text);
  font-weight: 600;
}
.avatar {
  width: 120px;
  height: 120px;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid var(--mx-border);
  box-shadow: var(--mx-shadow);
}

/* connect row */
.connect a {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  color: var(--mx-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.1rem;
  transition: color 0.18s;
}
.connect a:hover {
  color: var(--mx-accent);
}
.connect i {
  font-size: 1.05rem;
}

/* ---------- Sections ---------- */
section {
  padding: 2.6rem 0;
}
.sec-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.sec-note {
  color: var(--mx-muted);
  font-size: 0.95rem;
  margin-bottom: 1.6rem;
}
.divider {
  height: 1px;
  background: var(--mx-border);
  border: 0;
  opacity: 1;
  margin: 0;
}

/* ---------- Project ledger rows ---------- */
.ledger {
  border-top: 1px solid var(--mx-border);
}
.prow {
  display: grid;
  grid-template-columns: 2.4rem 2.1rem 1fr auto;
  gap: 0.9rem;
  align-items: start;
  padding: 1.05rem 0.6rem;
  border-bottom: 1px solid var(--mx-border);
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: background 0.18s ease;
}
.prow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--mx-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.2s ease;
}
.prow:hover {
  background: var(--mx-accent-soft);
}
.prow:hover::before {
  transform: scaleY(1);
}
.prow .idx {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--mx-muted);
  padding-top: 0.2rem;
}
.prow .picon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--mx-surface-2);
  color: var(--mx-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  border: 1px solid var(--mx-border);
}
.prow .pname {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--mx-text);
}
.prow .pdesc {
  color: var(--mx-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-top: 0.15rem;
}
.prow .parrow {
  color: var(--mx-muted);
  font-size: 0.95rem;
  padding-top: 0.2rem;
  transition:
    transform 0.18s,
    color 0.18s;
}
.prow[href]:hover .parrow {
  color: var(--mx-accent);
  transform: translate(2px, -2px);
}
.prow .nolink {
  color: var(--mx-border);
}

.pill {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--mx-muted);
  border: 1px solid var(--mx-border);
  border-radius: 5px;
  padding: 0.08rem 0.4rem;
  margin: 0.45rem 0.35rem 0 0;
  vertical-align: middle;
}

/* ---------- About ---------- */
.about p {
  color: var(--mx-muted);
  line-height: 1.75;
  margin-bottom: 1.15rem;
  max-width: 40rem;
}
.about p strong {
  color: var(--mx-text);
  font-weight: 600;
}
.about .lbl {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: var(--mx-accent);
  display: block;
  margin-bottom: 0.35rem;
  margin-top: 1.6rem;
}

/* ---------- Substack CTA ---------- */
.notebook {
  border: 1px solid var(--mx-border);
  background: var(--mx-surface);
  border-radius: 14px;
  padding: 1.6rem 1.7rem;
  box-shadow: var(--mx-shadow);
}
.notebook h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.notebook p {
  color: var(--mx-muted);
  margin-bottom: 1.1rem;
  font-size: 0.96rem;
  line-height: 1.6;
}
.btn-accent {
  background: var(--mx-accent);
  border: none;
  color: #041312;
  font-weight: 600;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.88rem;
  padding: 0.55rem 1.1rem;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition:
    filter 0.18s,
    transform 0.18s;
}
.btn-accent:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  color: #041312;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--mx-border);
  padding: 2rem 0 2.6rem;
}
footer .mono {
  font-size: 0.82rem;
  color: var(--mx-muted);
}
footer a {
  color: var(--mx-muted);
  text-decoration: none;
}
footer a:hover {
  color: var(--mx-accent);
}

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