/* ==========================================================
   João Valle — Landing Page
   Design tokens transcribed from description.json
   ========================================================== */

@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('assets/fonts/newsreader-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('assets/fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('assets/fonts/ibm-plex-mono-500-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}

:root {
  /* color */
  --bg-primary: #FAFAFB;
  --bg-elevated: #FFFFFF;
  --ink-primary: #141A2E;
  --ink-secondary: #5B6472;
  --accent: #1B998B;
  --accent-hover: #167C71;
  --hairline: #E6E9EF;
  --data-positive: #1B998B;
  --data-negative: #C0392B;

  /* type */
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'JetBrains Mono', monospace;

  --size-hero: clamp(2.6rem, 5vw, 4.25rem);
  --size-section-title: clamp(1.9rem, 3.2vw, 2.75rem);
  --size-subhead: clamp(1.05rem, 1.6vw, 1.35rem);
  --size-body-large: 1.25rem;
  --size-body: 1.0625rem;
  --size-caption: 0.9rem;
  --size-button: 1rem;
  --size-data-large: clamp(3rem, 7vw, 5.5rem);

  /* spacing */
  --space-4: 4px;
  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-40: 40px;
  --space-64: 64px;
  --space-96: 96px;
  --space-128: 128px;
  --space-160: 160px;

  --section-pad-desktop: 144px;
  --section-pad-mobile: 84px;
  --reading-col: 680px;
  --wide-col: 1120px;
  --gutter: clamp(24px, 6vw, 96px);

  /* motion */
  --dur-micro: 150ms;
  --dur-standard: 500ms;
  --dur-reveal: 700ms;
  --ease-standard: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-entrance: cubic-bezier(0.16, 1, 0.3, 1);

  /* radii */
  --radius-button: 6px;
  --radius-card: 10px;
  --radius-frame: 14px;
  --radius-input: 6px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: var(--size-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink-primary);
  color: #fff;
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 var(--radius-input) 0;
}
.skip-link:focus {
  left: 0;
}

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---------- layout helpers ---------- */
.reading-column {
  max-width: var(--reading-col);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.reading-column.center { text-align: center; }
.wide-column {
  max-width: var(--wide-col);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section {
  padding: var(--section-pad-mobile) 0;
}
@media (min-width: 641px) {
  .section { padding: var(--section-pad-desktop) 0; }
}
.section-title {
  font-family: var(--font-serif);
  font-size: var(--size-section-title);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink-primary);
}
.section-title.center { text-align: center; }
.body-large {
  font-size: var(--size-body-large);
  line-height: 1.7;
  color: var(--ink-primary);
}
.caption {
  font-size: var(--size-caption);
  line-height: 1.5;
  color: var(--ink-secondary);
}
.fill-in {
  color: var(--ink-secondary);
  font-style: italic;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--size-button);
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 16px 28px;
  border-radius: var(--radius-button);
  transition: background-color var(--dur-micro) var(--ease-standard),
              transform var(--dur-micro) var(--ease-standard);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* ---------- header / nav ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-standard) var(--ease-standard),
              border-color var(--dur-standard) var(--ease-standard);
}
.site-header.is-scrolled {
  background: rgba(250, 250, 251, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom-color: var(--hairline);
}
.header-inner {
  max-width: var(--wide-col);
  margin: 0 auto;
  padding: 20px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink-primary);
}
.wordmark-icon {
  width: 28px;
  height: 29px;
  color: var(--ink-primary);
}
.nav-cta {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-micro) var(--ease-standard);
}
.nav-cta:hover { border-color: var(--accent); }

/* ---------- hero ---------- */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 160px var(--gutter) 96px;
}
.hero-inner {
  max-width: var(--reading-col);
  text-align: left;
}
.hero-headline {
  font-family: var(--font-serif);
  font-size: var(--size-hero);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
}
.hero-subhead {
  font-family: var(--font-sans);
  font-size: var(--size-subhead);
  font-weight: 400;
  line-height: 1.5;
  color: var(--ink-secondary);
  margin-top: var(--space-24);
  max-width: 52ch;
}
.hero .btn { margin-top: var(--space-40); }

/* ---------- tool pages (fund check / portfolio audit) ---------- */
.tool-hero { padding: 160px 0 96px; }
.tool-hero .btn { margin-top: var(--space-40); }
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: var(--space-16);
}
.tool-steps .section-title { margin-bottom: var(--space-40); }

/* ---------- tool search (fund check) ---------- */
/* z-index here matters: [data-reveal]'s transform gives .tool-search its own
   stacking context once revealed, which would otherwise trap the dropdown's
   z-index below later sections (e.g. "Como funciona") that have no transform
   of their own and would paint on top of it by DOM order. */
.tool-search { position: relative; z-index: 5; margin-top: var(--space-40); max-width: 560px; }
.tool-search-input {
  width: 100%;
  font-family: var(--font-sans);
  font-size: var(--size-body);
  color: var(--ink-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-button);
  padding: 14px 18px;
}
.tool-search-input::placeholder { color: var(--ink-secondary); }
.tool-search-results {
  position: absolute;
  z-index: 10;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 320px;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  box-shadow: 0 4px 16px rgba(20,26,46,0.08);
}
.tool-search-result {
  display: block;
  width: 100%;
  text-align: left;
  padding: 12px 18px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--ink-primary);
  border-bottom: 1px solid var(--hairline);
  background: none;
  cursor: pointer;
}
.tool-search-result:last-child { border-bottom: none; }
.tool-search-result:hover, .tool-search-result:focus-visible { background: var(--bg-primary); }
.tool-search-result-cnpj {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-secondary);
  margin-top: 2px;
}
.tool-search-empty {
  padding: 12px 18px;
  font-size: 0.9rem;
  color: var(--ink-secondary);
}

/* ---------- tool results (stat tiles + charts) ---------- */
.tool-status { margin-top: var(--space-40); color: var(--ink-secondary); font-size: var(--size-body); }
.tool-status.is-error { color: var(--data-negative, #C0392B); }
.tool-results { margin-top: var(--space-64); }
.tool-results-title { font-size: var(--size-body); color: var(--ink-secondary); margin-bottom: var(--space-24); }
.tool-results-title strong { color: var(--ink-primary); font-weight: 600; }
.stat-tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-16);
  margin-bottom: var(--space-40);
}
.stat-tile {
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: var(--space-24);
}
.stat-tile-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-secondary);
  margin-bottom: var(--space-8);
}
.stat-tile-value {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 500;
  color: var(--ink-primary);
}
.chart-card {
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: var(--space-24);
  margin-bottom: var(--space-24);
}
.chart-card-title { font-size: 1rem; font-weight: 600; color: var(--ink-primary); margin-bottom: var(--space-16); }
/* Several audit modules render multi-panel Plotly dashboards (make_subplots,
   fixed pixel height, 2-3 subplot columns with fixed-position title
   annotations). Letting Plotly's responsive:true shrink these to full mobile
   width crushes each column to ~100px, garbling axis labels and overlapping
   subplot titles. Instead: give the plot a legible minimum width and let the
   card scroll horizontally, so mobile users pan across it instead of
   squinting at compressed text. */
.audit-module .chart-card { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.audit-module .chart-plot { min-width: 800px; }
@media (max-width: 900px) {
  .stat-tiles { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- audit input table (portfolio audit) ---------- */
.audit-form { margin-top: var(--space-40); max-width: 640px; }
.audit-table { width: 100%; border-collapse: collapse; margin-bottom: var(--space-16); }
.audit-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-secondary);
  padding: 0 12px 8px;
}
.audit-table td { padding: 4px; }
.audit-table input[type="text"], .audit-table input[type="number"] {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--ink-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-button);
  padding: 10px 12px;
}
.audit-table-remove {
  background: none;
  color: var(--ink-secondary);
  font-size: 1.1rem;
  line-height: 1;
  padding: 8px 10px;
  border-radius: var(--radius-button);
}
.audit-table-remove:hover { color: var(--data-negative); background: var(--bg-primary); }
.audit-form-actions { display: flex; align-items: center; gap: var(--space-16); margin: var(--space-16) 0; flex-wrap: wrap; }
.btn-secondary {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-button);
  padding: 10px 18px;
}
.btn-secondary:hover { border-color: var(--ink-secondary); }
.audit-weight-sum { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-secondary); }
.audit-weight-sum.is-valid { color: var(--data-positive); }
.audit-weight-sum.is-invalid { color: var(--data-negative); }
.audit-patrimonio { margin-top: var(--space-24); }
.audit-patrimonio label { display: block; font-size: 0.85rem; color: var(--ink-secondary); margin-bottom: var(--space-8); }
.audit-patrimonio input {
  font-family: var(--font-sans);
  font-size: var(--size-body);
  color: var(--ink-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-button);
  padding: 12px 16px;
  width: 260px;
}

/* ---------- audit results (module sections) ---------- */
.audit-results-intro {
  max-width: 60ch;
  font-size: var(--size-body);
  color: var(--ink-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-40);
}
.audit-module { margin-top: var(--space-64); }
.audit-module-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--ink-primary);
  margin-bottom: var(--space-16);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--hairline);
}
.audit-module-desc {
  max-width: 68ch;
  font-size: 0.95rem;
  color: var(--ink-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-24);
}
.audit-pdf-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  margin-top: var(--space-64);
  padding: var(--space-24);
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  flex-wrap: wrap;
}

/* ---------- problem ---------- */
.accent-rule {
  width: 2px;
  height: 40px;
  background: var(--accent);
  margin-bottom: var(--space-24);
}
.problem .section-title { margin-bottom: var(--space-24); }
.soft-break { display: block; height: 0; }

/* ---------- signature chart ---------- */
.signature-chart { background: var(--bg-primary); }
.chart-title {
  text-align: center;
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: var(--space-24);
}

.chart-scroll-track {
  position: relative;
  height: 260vh; /* scroll distance that drives the draw progress */
}
.chart-frame {
  position: sticky;
  top: 12vh;
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: var(--space-24);
  box-shadow: 0 1px 2px rgba(20,26,46,0.04);
}
.chart-visual {
  position: relative; /* positioning context for .chart-stat, scoped to just the chart, not the title above it */
}
#overfit-chart {
  width: 100%;
  height: auto;
  display: block;
}
.chart-grid line {
  stroke: var(--hairline);
  stroke-width: 1;
}
.chart-line {
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.chart-line--positive { stroke: var(--data-positive); }
.chart-line--negative { stroke: var(--data-negative); }
.chart-gap {
  fill: var(--data-negative);
}
.chart-legend {
  display: flex;
  gap: var(--space-24);
  margin-top: var(--space-16);
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--size-caption);
  color: var(--ink-secondary);
}
.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.legend-dot--positive { background: var(--data-positive); }
.legend-dot--negative { background: var(--data-negative); }
.chart-stat {
  position: absolute;
  top: var(--space-24);
  right: var(--space-24);
  text-align: right;
  opacity: 0;
  transition: opacity var(--dur-standard) var(--ease-standard);
}
.chart-stat.is-visible { opacity: 1; }
.chart-stat-value {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 500;
  color: var(--ink-primary);
  font-variant-numeric: tabular-nums;
}
.chart-stat-label {
  display: block;
  font-size: var(--size-caption);
  color: var(--ink-secondary);
  max-width: 20ch;
  margin-top: 2px;
}
.chart-caption {
  margin-top: var(--space-24);
  max-width: 60ch;
}

@media (prefers-reduced-motion: reduce) {
  .chart-scroll-track { height: auto; }
  .chart-frame { position: static; }
}
@media (max-width: 640px) {
  .chart-scroll-track { height: 200vh; }
  .chart-frame { top: 8vh; }
  .chart-stat { position: static; text-align: left; margin-top: var(--space-16); }
}

/* ---------- services ---------- */
.services .section-title { margin-bottom: var(--space-64); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-40);
}
.service-card {
  display: block;
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  box-shadow: 0 1px 2px rgba(20,26,46,0.04);
  padding: var(--space-40) var(--space-24);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur-micro) var(--ease-standard),
              box-shadow var(--dur-micro) var(--ease-standard);
}
a.service-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(20,26,46,0.08);
}
.service-name {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ink-primary);
  margin-bottom: var(--space-16);
}
.service-text {
  font-size: var(--size-body);
  color: var(--ink-secondary);
  line-height: 1.65;
}
.services-closing {
  max-width: var(--reading-col);
  margin: var(--space-64) auto 0;
  text-align: center;
  font-size: var(--size-body-large);
  font-weight: 500;
  color: var(--ink-primary);
}
.services-tier2 {
  max-width: var(--reading-col);
  margin: var(--space-16) auto 0;
  text-align: center;
  font-size: var(--size-caption);
  color: var(--ink-secondary);
}
/* ---------- projects ---------- */
.projects-intro {
  color: var(--ink-secondary);
  font-size: var(--size-body);
  margin: var(--space-16) auto var(--space-64);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-24);
}
.project-card {
  display: block;
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur-micro) var(--ease-standard),
              box-shadow var(--dur-micro) var(--ease-standard);
}
.project-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(20,26,46,0.08);
}
.project-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9.5;
  object-fit: cover;
  border-bottom: 1px solid var(--hairline);
}
.project-card-body { padding: var(--space-24); }
.project-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink-primary);
  margin-bottom: var(--space-8);
}
.project-text {
  font-size: 0.95rem;
  color: var(--ink-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-16);
}
.project-cta {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
}
@media (max-width: 800px) {
  .projects-grid { grid-template-columns: 1fr; }
}

/* ---------- about ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-64);
  align-items: center;
}
.founder-portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-card);
}
.about-text .section-title { margin-bottom: var(--space-24); }
.about-text .project-cta { display: inline-block; margin-top: var(--space-24); }

/* ---------- final cta ---------- */
.final-cta { text-align: center; }
.final-cta .section-title { margin-bottom: var(--space-16); }
.final-cta .body-large { margin-bottom: var(--space-40); color: var(--ink-secondary); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--hairline);
  padding: var(--space-64) 0;
}
.footer-inner {
  max-width: var(--reading-col);
  margin: 0 auto;
  padding: 0 var(--gutter);
  text-align: center;
}
.footer-icon {
  width: 32px;
  height: 32px;
  color: var(--ink-secondary);
  margin: 0 auto var(--space-16);
  display: block;
}
.footer-disclaimer {
  font-size: var(--size-caption);
  color: var(--ink-secondary);
  max-width: 52ch;
  margin: 0 auto var(--space-24);
}
.footer-contact {
  font-size: var(--size-caption);
  margin-bottom: var(--space-16);
}
.footer-contact a {
  color: var(--accent);
  border-bottom: 1px solid transparent;
}
.footer-contact a:hover { border-color: var(--accent); }
.footer-copyright {
  font-size: var(--size-caption);
  color: var(--ink-secondary);
}

/* ---------- scroll-reveal base state ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-reveal) var(--ease-entrance),
              transform var(--dur-reveal) var(--ease-entrance);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-delay] { transition-delay: 200ms; }
[data-reveal][data-reveal-order="1"] { transition-delay: 0ms; }
[data-reveal][data-reveal-order="2"] { transition-delay: 120ms; }
[data-reveal][data-reveal-order="3"] { transition-delay: 240ms; }
[data-reveal-stagger="0"] { transition-delay: 0ms; }
[data-reveal-stagger="1"] { transition-delay: 100ms; }
[data-reveal-stagger="2"] { transition-delay: 200ms; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}

/* ---------- cv page ---------- */
.cv-hero { padding: 160px 0 80px; text-align: center; }
.cv-hero .section-eyebrow { justify-content: center; }
.cv-name {
  font-family: var(--font-serif);
  font-size: var(--size-hero);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
}
.cv-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-16) var(--space-24);
  margin-top: var(--space-40);
}
.cv-links a:not(.btn) {
  font-size: 0.95rem;
  color: var(--accent);
  border-bottom: 1px solid transparent;
}
.cv-links a:not(.btn):hover { border-color: var(--accent); }
.cv-links .btn { padding: 10px 20px; font-size: 0.9rem; }

.cv-section { border-top: 1px solid var(--hairline); padding-top: var(--space-64); margin-top: var(--space-64); }
.cv-section:first-of-type { border-top: none; margin-top: 0; }
.cv-section .section-title { margin-bottom: var(--space-40); font-size: 1.6rem; }

.cv-entry { margin-bottom: var(--space-40); }
.cv-entry:last-child { margin-bottom: 0; }
.cv-entry-header { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-16); flex-wrap: wrap; }
.cv-entry-title { font-family: var(--font-sans); font-weight: 600; font-size: 1.05rem; color: var(--ink-primary); }
.cv-entry-date { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-secondary); white-space: nowrap; }
.cv-entry-org { font-size: 0.95rem; color: var(--accent); margin-top: 2px; }
.cv-entry-desc { font-size: var(--size-body); color: var(--ink-secondary); line-height: 1.65; margin-top: var(--space-8); }

.cv-pub-list { list-style: none; counter-reset: pub; }
.cv-pub-list li { counter-increment: pub; position: relative; padding-left: var(--space-40); margin-bottom: var(--space-24); }
.cv-pub-list li:last-child { margin-bottom: 0; }
.cv-pub-list li::before {
  content: counter(pub) '.';
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
}
.cv-pub-title { font-size: var(--size-body); color: var(--ink-primary); }
.cv-pub-title a { color: var(--ink-primary); border-bottom: 1px solid var(--hairline); }
.cv-pub-title a:hover { border-color: var(--accent); color: var(--accent); }
.cv-pub-meta { font-size: 0.8rem; color: var(--ink-secondary); margin-top: 4px; }

.cv-skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-40); }
.cv-skill-group-title { font-family: var(--font-sans); font-weight: 600; font-size: 0.95rem; color: var(--ink-primary); margin-bottom: var(--space-8); }
.cv-skill-group-text { font-size: 0.95rem; color: var(--ink-secondary); line-height: 1.6; }

.cv-kv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-16) var(--space-40); }
.cv-kv-row { display: flex; justify-content: space-between; gap: var(--space-16); padding-bottom: var(--space-8); border-bottom: 1px solid var(--hairline); font-size: var(--size-body); }
.cv-kv-key { color: var(--ink-primary); }
.cv-kv-val { color: var(--ink-secondary); font-family: var(--font-mono); font-size: 0.85rem; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 320px; margin: 0 auto; }
}
@media (max-width: 640px) {
  .hero { min-height: auto; padding: 140px 20px 72px; text-align: left; }
  .header-inner { padding: 16px 20px; }
  .reading-column, .wide-column { padding: 0 20px; }
  .services-grid { gap: var(--space-24); }
  .cv-skills-grid, .cv-kv-grid { grid-template-columns: 1fr; }
  .cv-entry-header { flex-direction: column; gap: 4px; }
}