/* =========================================================================
   Isaac Rowntree — resume.css
   Info-forward portfolio/resume. Shares palette + type with Zack Design.
   No parallax, no reveals, no orbs. Dense, confident, typographic.
   ========================================================================= */

:root {
  /* Palette (shared with Zack Design) */
  --ink: #0A0A1A;
  --ink-soft: #12122B;
  --ink-raised: #1A1A36;
  --depth: #1E1B4B;
  --depth-2: #312E81;
  --primary: #4361EE;
  --primary-hover: #5b76f5;
  --accent: #22D3EE;
  --accent-hover: #67E8F9;
  --pearl: #F5F3FF;
  --pearl-muted: #C4B5FD;
  --pearl-soft: rgba(245, 243, 255, 0.72);
  --pearl-faint: rgba(245, 243, 255, 0.42);
  --glint: #FDE68A;
  --border-faint: rgba(245, 243, 255, 0.08);
  --border-soft: rgba(245, 243, 255, 0.14);
  --border-strong: rgba(245, 243, 255, 0.22);

  /* Type */
  --font-display: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  /* Motion (minimal) */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* Radii */
  --radius-sm: 0.5rem;
  --radius: 0.75rem;
  --radius-lg: 1.25rem;

  /* Layout */
  --content-max: 1100px;
  --rail-width: 36px;
}

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  box-sizing: border-box;
}

button {
  font: inherit;
  color: inherit;
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  font-family: var(--font-sans);
  color: var(--pearl);
  background-color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* Fine dot grid across the whole page (subtle, always visible at low opacity) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(67, 97, 238, 0.12), transparent 60%),
    radial-gradient(circle, rgba(139, 155, 255, 0.35) 1px, transparent 1px);
  background-size: auto, 48px 48px;
  background-position: center, 0 0;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse at top, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at top, black 0%, transparent 70%);
}

/* Fine noise overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.03;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='5'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.7 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
}

main, header, section, footer {
  position: relative;
  z-index: 2;
}

/* -------------------------------------------------------------------------
   Typography
   ------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--pearl);
  font-weight: 600;
  line-height: 1.2;
  margin: 0;
}

.display-serif {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.02;
}

.mono {
  font-family: var(--font-mono);
  font-feature-settings: "ss01", "cv01";
  letter-spacing: -0.01em;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

::selection { background: var(--primary); color: var(--pearl); }

/* -------------------------------------------------------------------------
   Top bar — minimal, no scroll behaviour
   ------------------------------------------------------------------------- */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: rgba(10, 10, 26, 0.72);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid var(--border-faint);
}

.topbar__brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--pearl);
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  white-space: nowrap;
  min-width: 0;
  flex-shrink: 1;
}

.topbar__brand .mono {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--pearl-muted);
}

.topbar__nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.topbar__link {
  color: var(--pearl-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.topbar__link:hover {
  color: var(--pearl);
  border-color: var(--border-soft);
  background: rgba(245, 243, 255, 0.04);
}

.kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  color: var(--pearl-soft);
  background: rgba(245, 243, 255, 0.03);
  margin-left: 0.4rem;
  letter-spacing: 0.02em;
}

/* -------------------------------------------------------------------------
   Container
   ------------------------------------------------------------------------- */
.wrap {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* -------------------------------------------------------------------------
   Header / hero (dense, no parallax)
   ------------------------------------------------------------------------- */
.hero {
  padding: 8rem 0 3.5rem;
  border-bottom: 1px solid var(--border-faint);
  position: relative;
  overflow: hidden;
}

/* Graffiti backdrop — Isaac's own photo, faint and blurred */
.hero-backdrop {
  position: absolute;
  inset: -8% -5%;
  z-index: 0;
  background-image: url("/images/background.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  filter: blur(6px) saturate(90%) contrast(110%);
  pointer-events: none;
  transform: scale(1.08);
}

.hero-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 0%, rgba(10, 10, 26, 0.65) 85%),
    linear-gradient(180deg, rgba(10, 10, 26, 0.3) 0%, rgba(10, 10, 26, 0.85) 100%);
}

.hero > .wrap { position: relative; z-index: 2; }

.hero-credit {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pearl-muted);
  z-index: 2;
  opacity: 0.6;
  pointer-events: none;
  white-space: nowrap;
}

@media (max-width: 767.98px) {
  .hero-credit {
    position: static;
    display: block;
    transform: none;
    padding: 1rem 1.5rem 0;
    text-align: center;
    opacity: 0.55;
    white-space: normal;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.hero-avatar {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  border: 1px solid var(--border-soft);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
  filter: saturate(1.05);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--pearl);
  margin-bottom: 0.75rem;
}

.hero-role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 1.25rem;
  overflow-wrap: anywhere;
}

.hero-role .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--pearl-soft);
  letter-spacing: 0.01em;
  margin-bottom: 1.75rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.hero-tagline .sep {
  color: var(--pearl-faint);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  text-decoration: none;
  min-height: 40px;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  background-size: 200% 100%;
  color: var(--pearl);
  box-shadow: 0 8px 24px -8px rgba(67, 97, 238, 0.4);
}

.btn--primary:hover {
  color: var(--pearl);
  background-position: 100% 0%;
  box-shadow: 0 12px 32px -8px rgba(34, 211, 238, 0.5);
  transform: translateY(-1px);
}

.btn--ghost {
  background: rgba(245, 243, 255, 0.04);
  color: var(--pearl);
  border-color: var(--border-soft);
}

.btn--ghost:hover {
  color: var(--pearl);
  border-color: var(--border-strong);
  background: rgba(245, 243, 255, 0.08);
}

.btn--sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  min-height: 32px;
}

/* -------------------------------------------------------------------------
   Section shell
   ------------------------------------------------------------------------- */
.section {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-faint);
}

.section:last-of-type { border-bottom: none; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-label::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--pearl);
  margin: 0.35rem 0 0;
  flex-grow: 1;
}

.section-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--pearl-muted);
  white-space: nowrap;
}

/* -------------------------------------------------------------------------
   TL;DR block
   ------------------------------------------------------------------------- */
.tldr {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-faint);
}

.tldr-body {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  line-height: 1.35;
  color: var(--pearl);
  max-width: 62ch;
  letter-spacing: -0.005em;
}

.tldr-body em {
  font-style: italic;
  color: var(--accent);
}

.tldr-meta {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--pearl-muted);
  letter-spacing: 0.02em;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tldr-meta a {
  color: var(--pearl-soft);
  border-bottom: 1px dashed var(--border-strong);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.tldr-meta a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* -------------------------------------------------------------------------
   Experience timeline (compact)
   ------------------------------------------------------------------------- */
.timeline {
  display: grid;
  gap: 0;
}

.role {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-faint);
}

.role:first-child { border-top: none; padding-top: 0; }

.role__period {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.role__period small {
  color: var(--pearl-muted);
  font-size: 0.72rem;
  display: block;
  margin-top: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.role__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.15;
  color: var(--pearl);
  margin-bottom: 0.25rem;
}

.role__company {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--pearl-muted);
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}

.role__summary {
  color: var(--pearl-soft);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.role__bullets {
  list-style: none;
  padding: 0;
  margin: 0;
}

.role__bullets li {
  color: var(--pearl-soft);
  padding: 0.15rem 0 0.15rem 1rem;
  position: relative;
  font-size: 0.94rem;
  line-height: 1.55;
}

.role__bullets li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
}

.role__bullets li strong {
  color: var(--pearl);
  font-weight: 600;
}

/* -------------------------------------------------------------------------
   Selected work — project cards
   ------------------------------------------------------------------------- */
.work-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.work-card {
  padding: 1.75rem;
  border: 1px solid var(--border-faint);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(245, 243, 255, 0.03), rgba(245, 243, 255, 0.01));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: grid;
  grid-template-columns: 160px 1fr 260px;
  gap: 1.75rem;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.work-card:hover {
  border-color: var(--border-strong);
  background: linear-gradient(180deg, rgba(245, 243, 255, 0.05), rgba(245, 243, 255, 0.02));
}

.work-card__id {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.work-card__id-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--pearl-muted);
}

.work-card__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.1;
  color: var(--pearl);
  letter-spacing: -0.01em;
}

.work-card__kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-top: 0.1rem;
}

.work-card__body p {
  color: var(--pearl-soft);
  line-height: 1.65;
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
}

.work-card__body ul {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  display: grid;
  gap: 0.3rem;
}

.work-card__body li {
  color: var(--pearl-soft);
  font-size: 0.88rem;
  padding-left: 1rem;
  position: relative;
  line-height: 1.5;
}

.work-card__body li::before {
  content: "·";
  position: absolute;
  left: 0.25rem;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1;
  top: 0.1rem;
}

.work-card__body li strong {
  color: var(--pearl);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.work-card__aside {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-left: 1.5rem;
  border-left: 1px solid var(--border-faint);
}

.work-card__aside-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--pearl-muted);
}

.work-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.stack-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: rgba(245, 243, 255, 0.04);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--pearl-soft);
}

.work-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.work-card__link {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--pearl-soft);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  transition: all 0.2s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.work-card__link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(34, 211, 238, 0.06);
}

/* SessionHQ wordmark inline */
.sessionhq-wordmark {
  display: inline-block;
  font-family: Inter, sans-serif;
  font-weight: 700;
  letter-spacing: -0.04em;
  font-size: 1.6rem;
  color: var(--pearl);
}

.sessionhq-wordmark__hq {
  background: linear-gradient(to right, #818cf8, #60a5fa, #22d3ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

/* -------------------------------------------------------------------------
   Open source grid
   ------------------------------------------------------------------------- */
.oss-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.oss-card {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border-faint);
  border-radius: var(--radius);
  background: rgba(245, 243, 255, 0.02);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.oss-card:hover {
  border-color: var(--border-strong);
  background: rgba(245, 243, 255, 0.04);
  transform: translateY(-2px);
}

.oss-card__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: space-between;
}

.oss-card__title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--pearl);
  letter-spacing: -0.01em;
  margin: 0;
}

.oss-card__kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--pearl-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.oss-card__body {
  color: var(--pearl-soft);
  font-size: 0.88rem;
  line-height: 1.55;
  margin: 0;
  flex-grow: 1;
}

.oss-card__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin-top: 0.25rem;
}

.oss-card__footer .stack-badge { font-size: 0.68rem; }

.oss-card__link {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--pearl-soft);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.2s var(--ease);
}

.oss-card__link:hover { color: var(--accent); }

/* -------------------------------------------------------------------------
   Skills
   ------------------------------------------------------------------------- */
.skills {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.skill-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-faint);
}

.skill-row:first-child { border-top: none; padding-top: 0; }

.skill-row__label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.skill-row__items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-pill {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  background: rgba(245, 243, 255, 0.04);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--pearl-soft);
  letter-spacing: 0.01em;
  transition: all 0.2s var(--ease);
}

.skill-pill:hover,
.skill-pill:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(34, 211, 238, 0.06);
}

/* -------------------------------------------------------------------------
   References — editorial stack (one per row, hairline separators)
   ------------------------------------------------------------------------- */
.refs-list {
  display: grid;
  gap: 0;
}

.ref {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 3rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-faint);
  margin: 0;
  align-items: start;
  position: relative;
}

.ref:first-child {
  border-top: none;
  padding-top: 0.5rem;
}

.ref__quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  line-height: 1.5;
  color: var(--pearl);
  margin: 0;
  padding-left: 2.25rem;
  position: relative;
  max-width: 52ch;
  letter-spacing: -0.005em;
}

.ref__quote::before {
  content: "\201C";
  position: absolute;
  left: 0;
  top: -0.65rem;
  font-family: var(--font-display);
  font-size: 3.5rem;
  line-height: 1;
  color: rgba(34, 211, 238, 0.55);
  font-style: normal;
}

.ref__author {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-top: 0.25rem;
  border-left: 1px solid var(--border-faint);
  padding-left: 2rem;
  position: sticky;
  top: 7rem;
}

.ref__name {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--pearl);
  margin: 0;
  letter-spacing: -0.005em;
}

.ref__role {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--pearl-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  line-height: 1.5;
}

.ref__source {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-top: 0.25rem;
}

@media (max-width: 767.98px) {
  .ref {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 1.75rem 0;
  }

  .ref__author {
    border-left: none;
    padding-left: 2.25rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-faint);
    position: static;
  }

  .ref__quote {
    font-size: 1.1rem;
  }

  .ref__quote::before {
    font-size: 2.75rem;
  }
}

/* -------------------------------------------------------------------------
   Beyond code — one dense line
   ------------------------------------------------------------------------- */
.beyond {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-faint);
  text-align: center;
}

.beyond-line {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.55;
  color: var(--pearl-soft);
  max-width: 64ch;
  margin: 0 auto;
  font-style: italic;
}

.beyond-line span {
  color: var(--glint);
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.88em;
}

/* -------------------------------------------------------------------------
   Education (compact inline)
   ------------------------------------------------------------------------- */
.education {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: baseline;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-faint);
}

.education__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--pearl-muted);
}

.education__items {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--pearl-soft);
  line-height: 1.75;
}

.education__items .sep {
  color: var(--pearl-faint);
  margin: 0 0.5rem;
}

/* -------------------------------------------------------------------------
   Contact footer
   ------------------------------------------------------------------------- */
.contact {
  padding: 4rem 0 3rem;
  text-align: center;
  border-top: 1px solid var(--border-faint);
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  line-height: 1.05;
  color: var(--pearl);
  letter-spacing: -0.015em;
  margin-bottom: 1.25rem;
}

.contact-title em {
  font-style: italic;
  color: var(--accent);
}

.contact-lead {
  color: var(--pearl-soft);
  font-size: 1.05rem;
  max-width: 50ch;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.contact-channels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.footer-bar {
  padding: 1.5rem 0 2.5rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--pearl-muted);
  text-transform: uppercase;
}

.footer-bar a {
  color: var(--pearl-soft);
  border-bottom: 1px dashed var(--border-strong);
}

.footer-bar a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* -------------------------------------------------------------------------
   Side rail — section dots on right edge
   ------------------------------------------------------------------------- */
.rail {
  position: fixed;
  top: 50%;
  right: 1.25rem;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.85rem 0.5rem;
  border-radius: 999px;
  background: rgba(10, 10, 26, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-faint);
}

.rail__dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(245, 243, 255, 0.25);
  cursor: pointer;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
  border: none;
  padding: 0;
}

.rail__dot:hover,
.rail__dot.is-active {
  background: var(--accent);
  transform: scale(1.3);
}

.rail__dot:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.rail__dot::after {
  content: attr(data-label);
  position: absolute;
  right: calc(100% + 1rem);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--pearl);
  background: rgba(10, 10, 26, 0.9);
  border: 1px solid var(--border-soft);
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  transition: opacity 0.2s var(--ease);
}

.rail__dot:hover::after,
.rail__dot:focus-visible::after {
  opacity: 1;
}

@media (max-width: 991.98px) {
  .rail { display: none; }
}

/* -------------------------------------------------------------------------
   Command palette (⌘K modal)
   ------------------------------------------------------------------------- */
.cmdk-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(10, 10, 26, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 1rem 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s var(--ease), visibility 0.2s var(--ease);
}

.cmdk-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.cmdk {
  width: 100%;
  max-width: 560px;
  background: var(--ink-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.8);
  transform: translateY(-8px);
  transition: transform 0.25s var(--ease);
  display: flex;
  flex-direction: column;
  max-height: 70vh;
}

.cmdk-overlay.is-open .cmdk {
  transform: translateY(0);
}

.cmdk__input {
  padding: 1rem 1.25rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-faint);
  color: var(--pearl);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  outline: none;
  letter-spacing: -0.005em;
}

.cmdk__input::placeholder { color: var(--pearl-muted); }

.cmdk__list {
  list-style: none;
  padding: 0.5rem;
  margin: 0;
  overflow-y: auto;
  flex-grow: 1;
}

.cmdk__group-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--pearl-muted);
  padding: 0.75rem 0.75rem 0.4rem;
}

.cmdk__item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--pearl-soft);
  font-size: 0.92rem;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}

.cmdk__item.is-selected,
.cmdk__item:hover {
  background: rgba(34, 211, 238, 0.08);
  color: var(--pearl);
}

.cmdk__item .icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: rgba(245, 243, 255, 0.05);
  color: var(--accent);
  font-size: 0.9rem;
}

.cmdk__item-label {
  flex-grow: 1;
}

.cmdk__item-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--pearl-muted);
  letter-spacing: 0.05em;
}

.cmdk__footer {
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--border-faint);
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--pearl-muted);
  text-transform: uppercase;
  background: rgba(245, 243, 255, 0.02);
}

.cmdk__footer .kbd { margin: 0 0.3rem; }

.cmdk__empty {
  padding: 2rem;
  text-align: center;
  color: var(--pearl-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* -------------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
  .work-card {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .work-card__aside {
    padding-left: 0;
    border-left: none;
    padding-top: 1rem;
    border-top: 1px solid var(--border-faint);
  }
}

@media (max-width: 767.98px) {
  .topbar { padding: 0.75rem 1rem; gap: 0.5rem; }
  .topbar__brand { font-size: 1rem; }
  .topbar__brand .mono { display: none; }
  .topbar__nav { gap: 0.1rem; margin-left: auto; }
  .topbar__link { padding: 0.4rem 0.55rem; font-size: 0.72rem; }
  .topbar__link .kbd { display: none; }

  .hero { padding: 5.5rem 0 1rem; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .hero-avatar { width: 104px; height: 104px; }

  .hero-name { font-size: clamp(2.5rem, 12vw, 3.5rem); }
  .hero-role { font-size: 0.68rem; letter-spacing: 0.1em; gap: 0.4rem; }
  .hero-tagline { font-size: 0.8rem; }
  .hero-actions { gap: 0.5rem; }
  .hero-actions .btn { flex: 0 1 auto; font-size: 0.82rem; padding: 0.55rem 0.9rem; }
  .hero-actions .btn .kbd { display: none; }

  .role {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .skill-row {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .section { padding: 3rem 0; }
  .section-head { gap: 0.5rem; margin-bottom: 1.5rem; }

  .tldr { padding: 2rem 0; }
  .tldr-body { font-size: 1.15rem; }

  .work-card { padding: 1.25rem; }

  .oss-grid { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .topbar__nav .topbar__link:not([data-open-cmdk]):not([aria-label="GitHub"]) {
    display: none;
  }
}

/* -------------------------------------------------------------------------
   Reduced motion
   ------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.1s !important;
    scroll-behavior: auto !important;
  }
}