/* ============================================================
   Portfolio — Editorial Finance Aesthetic
   Display: Fraunces (variable serif)
   Body:    Instrument Sans (refined humanist sans)
   Mono:    JetBrains Mono (for metrics, dates, codes)
   ============================================================ */

:root {
  /* Palette — warm parchment + ink + burnt copper */
  --bg:           #F5F8FB;
  --bg-alt:       #E9F0F6;
  --bg-deep:      #DCE7F0;
  --ink:          #14202B;
  --ink-soft:     #243441;
  --muted:        #5E6B76;
  --muted-soft:   #93A1AC;
  --accent:       #2E6CA4;   /* steel blue */
  --accent-deep:  #1E4C77;
  --accent-soft:  #BBD4E8;
  --rule:         #CBD8E2;
  --rule-soft:    #DEE8F0;
  --highlight:    #DFEDF8;

  /* Type scale */
  --fs-micro:   0.75rem;
  --fs-small:   0.875rem;
  --fs-body:    1.0625rem;
  --fs-lead:    1.25rem;
  --fs-h3:      1.5rem;
  --fs-h2:      clamp(1.75rem, 3vw, 2.5rem);
  --fs-h1:      clamp(2.25rem, 4.5vw, 3.75rem);
  --fs-display: clamp(2.25rem, 4.5vw, 4rem);

  /* Rhythm */
  --space-xs:  0.5rem;
  --space-s:   1rem;
  --space-m:   1.5rem;
  --space-l:   3rem;
  --space-xl:  5rem;
  --space-xxl: 8rem;

  /* Layout */
  --maxw: 1320px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --rule-w: 1px;

  /* Motion */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Instrument Sans', -apple-system, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ============================================================
   Typography
   ============================================================ */

.display, h1, h2, h3, .serif {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 350;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--ink);
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
}

.display {
  font-size: var(--fs-display);
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 0.95;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: 400; line-height: 1.2; }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow.muted { color: var(--muted); }

.lede {
  font-size: var(--fs-lead);
  line-height: 1.45;
  color: var(--ink-soft);
  font-weight: 400;
  max-width: 60ch;
}

p { max-width: 64ch; }
p + p { margin-top: 1em; }

.italic-serif {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-variation-settings: 'SOFT' 100;
}

.metric-num {
  font-family: 'Fraunces', serif;
  font-weight: 350;
  font-variation-settings: 'opsz' 144;
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: var(--ink);
}

.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-small);
  letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }

/* ============================================================
   Layout
   ============================================================ */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--space-xxl); }
.section-tight { padding-block: var(--space-xl); }

.rule {
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 0;
}

.rule-thick { background: var(--ink); height: 2px; }

/* ============================================================
   Navigation
   ============================================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: var(--rule-w) solid var(--rule);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand {
  font-family: 'Fraunces', serif;
  font-weight: 350;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  font-variation-settings: 'opsz' 144;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
}

.brand .dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateY(-2px);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  list-style: none;
}

.nav-links a {
  position: relative;
  font-size: var(--fs-small);
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  transition: color 0.3s var(--ease);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  font-size: var(--fs-small);
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: all 0.3s var(--ease);
}

.nav-cta:hover {
  background: var(--ink);
  color: var(--bg);
}

.nav-toggle { display: none; }

/* ============================================================
   Hero (landing)
   ============================================================ */

.hero {
  padding-top: clamp(4rem, 10vw, 8rem);
  padding-bottom: var(--space-xl);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-l);
}

.hero-eyebrow-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-m);
  flex-wrap: wrap;
}

.hero h1.display {
  margin-top: var(--space-m);
  max-width: 20ch;
}

.hero h1 .accent-line {
  color: var(--accent);
  font-style: italic;
  font-variation-settings: 'opsz' 144, 'SOFT' 100;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-m);
  margin-top: var(--space-l);
  max-width: 56rem;
}

.hero-meta .col h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.hero-meta .col p {
  font-size: var(--fs-body);
  color: var(--ink-soft);
  line-height: 1.4;
}

/* Status dot row */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.status .pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #2A9D5C;
  position: relative;
}

.status .pulse::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: #2A9D5C;
  opacity: 0.3;
  animation: pulse 2.4s infinite var(--ease);
}

@keyframes pulse {
  0% { transform: scale(0.6); opacity: 0.4; }
  100% { transform: scale(2); opacity: 0; }
}

/* ============================================================
   Metric strip
   ============================================================ */

.metrics {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding-block: var(--space-xl);
  background: var(--bg);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.metric {
  padding: var(--space-m) var(--space-s);
  border-right: 1px solid var(--rule);
  position: relative;
}

.metric:last-child { border-right: 0; }

.metric .num {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-family: 'Fraunces', serif;
  font-weight: 350;
  letter-spacing: -0.04em;
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 0.15em;
}

.metric .num .unit {
  font-size: 0.4em;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.metric .label {
  margin-top: var(--space-s);
  font-size: var(--fs-small);
  color: var(--muted);
  line-height: 1.4;
  max-width: 28ch;
}

/* ============================================================
   Section heading
   ============================================================ */

.sec-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-l);
  margin-bottom: var(--space-xl);
  align-items: end;
}

.sec-head .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.sec-head h2 {
  letter-spacing: -0.025em;
  max-width: 18ch;
}

/* ============================================================
   Case study cards (index page)
   ============================================================ */

.cases {
  display: grid;
  gap: 0;
}

.case-card {
  display: grid;
  grid-template-columns: 80px 1fr 1.2fr auto;
  gap: var(--space-l);
  padding: var(--space-l) 0;
  border-top: 1px solid var(--rule);
  align-items: start;
  position: relative;
  transition: padding 0.5s var(--ease);
  cursor: pointer;
}

.case-card:last-of-type { border-bottom: 1px solid var(--rule); }

.case-card:hover { background: var(--bg-alt); padding-inline: var(--space-m); }

.case-card .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-small);
  color: var(--muted);
  padding-top: 0.4rem;
  letter-spacing: 0.05em;
}

.case-card .title h3 {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 350;
  letter-spacing: -0.025em;
  line-height: 1.05;
  max-width: 20ch;
}

.case-card .title .client {
  display: block;
  margin-bottom: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.case-card .desc {
  color: var(--ink-soft);
  font-size: var(--fs-body);
  line-height: 1.5;
  padding-top: 0.2rem;
}

.case-card .desc .tags {
  margin-top: var(--space-s);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.case-card .desc .tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.case-card .arrow {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.6rem;
  color: var(--accent);
  padding-top: 0.3rem;
  transition: transform 0.4s var(--ease);
}

.case-card:hover .arrow { transform: translateX(8px); }

/* ============================================================
   Approach / Story
   ============================================================ */

.approach {
  background: var(--bg-alt);
  padding-block: var(--space-xxl);
}

.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.approach-grid .col-r p {
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink-soft);
}

.approach-grid .col-r p + p { margin-top: 1.4em; }

.approach .pull {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
  line-height: 1.25;
  color: var(--ink);
  font-weight: 350;
  letter-spacing: -0.02em;
  font-variation-settings: 'SOFT' 100, 'opsz' 144;
  padding-left: var(--space-m);
  border-left: 2px solid var(--accent);
  margin: 2rem 0;
  max-width: 30ch;
}

/* ============================================================
   Companies strip
   ============================================================ */

.companies {
  padding-block: var(--space-xl);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.companies-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-l);
  align-items: center;
}

.companies .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  max-width: 16ch;
}

.company-marks {
  display: flex;
  align-items: center;
  gap: clamp(2rem, 6vw, 4rem);
  flex-wrap: wrap;
}

.company-marks .company {
  font-family: 'Fraunces', serif;
  font-weight: 350;
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  letter-spacing: -0.015em;
  color: var(--ink);
  position: relative;
  padding-bottom: 4px;
}

.company-marks .company::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}

.company-marks .company:hover::after { transform: scaleX(1); }

/* ============================================================
   CTA block (bottom of pages)
   ============================================================ */

.cta-block {
  padding-block: var(--space-xxl);
  background: var(--ink);
  color: var(--bg);
}

.cta-block h2 {
  color: var(--bg);
  max-width: 18ch;
  font-weight: 300;
}

.cta-block h2 .accent-line {
  color: var(--accent-soft);
  font-style: italic;
}

.cta-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-l);
}

.cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: var(--space-m);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  font-size: var(--fs-body);
  font-family: 'Instrument Sans', sans-serif;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: all 0.3s var(--ease);
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent-deep);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  border-color: var(--bg);
  color: var(--bg);
}

.btn-ghost:hover {
  background: var(--bg);
  color: var(--ink);
}

.btn .arrow {
  font-family: 'Fraunces', serif;
  font-style: italic;
  transition: transform 0.3s var(--ease);
}

.btn:hover .arrow { transform: translateX(4px); }

/* ============================================================
   Footer
   ============================================================ */

.footer {
  padding-block: var(--space-xl);
  background: var(--ink);
  color: var(--bg-alt);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-l);
  margin-bottom: var(--space-xl);
}

.footer-grid h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: var(--space-m);
}

.footer-grid ul { list-style: none; }
.footer-grid li {
  margin-bottom: 0.6rem;
  font-size: var(--fs-small);
}

.footer-grid a {
  color: var(--bg-alt);
  opacity: 0.75;
  transition: opacity 0.3s var(--ease);
}

.footer-grid a:hover { opacity: 1; color: var(--accent-soft); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-m);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-m);
  flex-wrap: wrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* ============================================================
   Case study detail pages
   ============================================================ */

.cs-hero {
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: var(--space-l);
}

.cs-hero .back {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-small);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-l);
  transition: color 0.3s var(--ease);
}

.cs-hero .back:hover { color: var(--accent); }

.cs-meta-row {
  display: flex;
  gap: var(--space-l);
  flex-wrap: wrap;
  margin-bottom: var(--space-l);
  padding-bottom: var(--space-l);
  border-bottom: 1px solid var(--rule);
}

.cs-meta-row .pair {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.cs-meta-row .pair .k {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.cs-meta-row .pair .v {
  font-size: var(--fs-body);
  color: var(--ink);
}

.cs-hero h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-m);
  max-width: 22ch;
}

.cs-hero .accent-line {
  color: var(--accent);
  font-style: italic;
  font-variation-settings: 'opsz' 144, 'SOFT' 100;
}

.cs-summary {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-l);
  padding-block: var(--space-l);
  border-bottom: 1px solid var(--rule);
}

.cs-summary p { font-size: var(--fs-lead); line-height: 1.5; }

.cs-body-section {
  padding-block: var(--space-xl);
  border-bottom: 1px solid var(--rule);
}

.cs-body-section:last-of-type { border-bottom: 0; }

.cs-body-section .grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-l);
  align-items: start;
}

.cs-body-section h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 350;
  letter-spacing: -0.025em;
  max-width: 16ch;
}

.cs-body-section .content p,
.cs-body-section .content li {
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink-soft);
}

.cs-body-section .content ul {
  list-style: none;
  margin-top: 1rem;
}

.cs-body-section .content li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.8rem;
}

.cs-body-section .content li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.7em;
  width: 12px; height: 1px;
  background: var(--accent);
}

.cs-body-section .content li strong {
  color: var(--ink);
  font-weight: 600;
}

/* Outcomes block */
.outcomes {
  background: var(--bg-alt);
  padding: var(--space-l);
  margin-top: var(--space-l);
  border-left: 3px solid var(--accent);
}

.outcomes .eyebrow { margin-bottom: var(--space-m); }

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-m);
}

.outcome {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.outcome .num {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.875rem, 3vw, 2.5rem);
  font-weight: 350;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
}

.outcome .num .unit {
  font-size: 0.5em;
  color: var(--accent);
}

.outcome .lab {
  font-size: var(--fs-small);
  color: var(--muted);
  line-height: 1.4;
}

/* ============================================================
   About page
   ============================================================ */

.about-hero {
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: var(--space-xl);
}

.about-hero .display {
  font-size: clamp(2rem, 4vw, 3.5rem);
  max-width: 22ch;
  margin-top: var(--space-m);
}

.story {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-l);
  padding-block: var(--space-xl);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.story h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
  font-weight: 350;
  letter-spacing: -0.025em;
  max-width: 14ch;
}

.story .content p {
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--ink-soft);
}

.story .content p + p { margin-top: 1.4em; }

/* Timeline */
.timeline {
  padding-block: var(--space-xl);
}

.timeline-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-l);
}

.timeline-items {
  display: flex;
  flex-direction: column;
}

.t-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-m);
  padding: var(--space-m) 0;
  border-top: 1px solid var(--rule);
}

.t-item:first-child { border-top: 0; }

.t-item .year {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-small);
  color: var(--accent);
  letter-spacing: 0.08em;
  padding-top: 0.4rem;
}

.t-item h3 {
  font-family: 'Fraunces', serif;
  font-size: 1.375rem;
  font-weight: 400;
  margin-bottom: 0.3rem;
  letter-spacing: -0.02em;
}

.t-item .org {
  font-size: var(--fs-small);
  color: var(--muted);
  margin-bottom: 0.7rem;
}

.t-item p {
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--ink-soft);
}

/* Skills */
.skills-section {
  padding-block: var(--space-xl);
  background: var(--bg-alt);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-l);
}

.skill-block h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-m);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}

.skill-block ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.skill-block li {
  font-size: var(--fs-body);
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ============================================================
   Contact page
   ============================================================ */

.contact-hero {
  padding-top: clamp(4rem, 10vw, 7rem);
  padding-bottom: var(--space-xl);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  padding-block: var(--space-xl);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  align-items: start;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.contact-list li {
  padding: var(--space-m) 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: var(--space-m);
  align-items: center;
}

.contact-list li:last-child { border-bottom: 0; }

.contact-list .k {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-list .v {
  font-family: 'Fraunces', serif;
  font-size: 1.375rem;
  font-weight: 350;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.contact-list .v a:hover { color: var(--accent); }

.contact-list .arrow {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform 0.3s var(--ease);
}

.contact-list li:hover .arrow { transform: translateX(6px); }

.contact-availability {
  padding: var(--space-l);
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
}

.contact-availability h3 {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem;
  font-weight: 350;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-m);
}

.contact-availability p {
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--ink-soft);
}

.contact-availability p + p { margin-top: 0.8em; }

/* ============================================================
   Diagrams inside case studies
   ============================================================ */

.diagram {
  margin: var(--space-l) 0;
  padding: var(--space-l);
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 4px;
  position: relative;
}

.diagram-caption {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--space-m);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.6rem;
}

.diagram-caption .fig {
  color: var(--accent);
}

.diagram svg {
  width: 100%;
  height: auto;
  display: block;
  max-width: 100%;
}

.diagram-note {
  margin-top: var(--space-m);
  font-size: var(--fs-small);
  font-style: italic;
  color: var(--muted);
  font-family: 'Fraunces', serif;
  font-variation-settings: 'opsz' 14;
  line-height: 1.5;
}

/* ============================================================
   Banner image use (about / contact)
   ============================================================ */

/* No photographic asset — a data-platform grid motif carries the "technical"
   personality instead, on-brand for a data/AI portfolio and dependency-free. */
.banner-strip {
  width: 100%;
  height: clamp(120px, 14vw, 180px);
  position: relative;
  overflow: hidden;
  background: var(--bg-alt);
  background-image:
    linear-gradient(var(--rule-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule-soft) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: center;
}

.banner-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 40%, var(--accent) 0, var(--accent) 3px, transparent 3px),
    radial-gradient(circle at 62% 65%, var(--accent) 0, var(--accent) 3px, transparent 3px),
    radial-gradient(circle at 84% 30%, var(--accent-deep) 0, var(--accent-deep) 3px, transparent 3px);
  opacity: 0.55;
}

.banner-strip::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(245,248,251,0) 0%, rgba(245,248,251,0.55) 100%);
}

/* ============================================================
   Reveal animation
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.stagger > * { transition-delay: calc(var(--i, 0) * 80ms); }

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 900px) {
  :root { --space-xxl: 4.5rem; --space-xl: 3.5rem; }

  .nav-links { display: none; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 8px;
  }
  .nav-toggle span {
    display: block;
    width: 26px; height: 1.5px;
    background: var(--ink);
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--bg);
    padding: var(--space-l);
    gap: var(--space-m);
    border-bottom: 1px solid var(--rule);
    align-items: flex-start;
  }

  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(1),
  .metric:nth-child(2) { border-bottom: 1px solid var(--rule); }

  .sec-head,
  .approach-grid,
  .case-card,
  .cs-summary,
  .cs-body-section .grid,
  .story,
  .timeline-grid,
  .skills-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-m);
  }

  .case-card {
    grid-template-columns: auto 1fr;
    gap: var(--space-s);
  }
  .case-card .arrow { grid-column: 2; padding-top: 0; }
  .case-card .desc { grid-column: 1 / -1; }

  .t-item { grid-template-columns: 1fr; gap: 0.4rem; }
  .t-item .year { padding-top: 0; }

  .contact-list li { grid-template-columns: 1fr; gap: 0.4rem; }
  .contact-list .arrow { display: none; }

  .skills-grid { gap: var(--space-l); }

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

  .hero-meta { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 1px solid var(--rule); }
  .metric:last-child { border-bottom: 0; }
}

/* ============================================================
   ADDED — Photo, Work page filtering, skill chips
   ============================================================ */

/* --- Hero portrait (index) --- */
.hero-portrait-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-l);
  align-items: center;
  margin-bottom: var(--space-l);
}
.hero-portrait {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--rule);
  box-shadow: 0 8px 30px rgba(15,20,25,0.10);
  flex-shrink: 0;
}
.hero-portrait-meta .eyebrow { display: block; }
.hero-portrait-meta .loc {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-small);
  color: var(--muted);
  margin-top: 0.4rem;
}

/* --- About portrait --- */
.about-portrait-wrap {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-l);
  align-items: start;
}
.about-portrait {
  width: 240px;
  height: 300px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--rule);
  box-shadow: 0 12px 40px rgba(15,20,25,0.12);
}
@media (max-width: 760px) {
  .about-portrait-wrap { grid-template-columns: 1fr; }
  .about-portrait { width: 180px; height: 220px; }
  .hero-portrait-row { grid-template-columns: 1fr; gap: var(--space-m); }
  .hero-portrait { width: 104px; height: 104px; }
}

/* --- Work page filter chips --- */
.work-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: var(--space-l) 0 var(--space-xl);
  border-top: 1px solid var(--rule);
  padding-top: var(--space-l);
}
.chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-small);
  letter-spacing: 0.01em;
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--rule);
  border-radius: 100px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.chip:hover { color: var(--ink); border-color: var(--ink-soft); }
.chip.active {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

/* --- Work accordion items --- */
.work-list { display: flex; flex-direction: column; gap: 0; }
.work-item {
  border-top: 1px solid var(--rule);
  padding: var(--space-l) 0;
  transition: opacity 0.3s var(--ease);
}
.work-item:last-child { border-bottom: 1px solid var(--rule); }
.work-item.hidden { display: none; }
.work-item-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-m);
  align-items: start;
  cursor: pointer;
}
.work-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}
.work-meta-tags .wtag {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.work-meta-tags .wtag.status {
  color: var(--muted);
}
.work-item h3 { font-size: var(--fs-h3); margin-bottom: 0.5rem; }
.work-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-small);
  color: var(--muted);
  margin-bottom: 0.8rem;
}
.work-summary { color: var(--ink-soft); max-width: 62ch; }
.work-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--rule);
  background: transparent;
  font-size: 1.2rem;
  color: var(--ink);
  cursor: pointer;
  display: grid; place-items: center;
  transition: all 0.25s var(--ease);
  flex-shrink: 0;
}
.work-item.open .work-toggle { background: var(--accent); color: #fff; border-color: var(--accent); transform: rotate(180deg); }
.work-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease);
}
.work-item.open .work-body { max-height: 4000px; }
.work-body-inner {
  padding-top: var(--space-l);
  max-width: 72ch;
}
.work-body-inner h4 {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: 1.15rem;
  margin: var(--space-m) 0 0.6rem;
  color: var(--ink);
}
.work-body-inner p { color: var(--ink-soft); margin-bottom: var(--space-s); }
.work-body-inner ul { margin: 0 0 var(--space-s) 1.1rem; }
.work-body-inner li { color: var(--ink-soft); margin-bottom: 0.5rem; }
.work-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-l);
  margin: var(--space-l) 0;
  padding: var(--space-m) 0;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}
.work-stat .n {
  font-family: 'Fraunces', serif;
  font-size: 2rem;
  color: var(--accent);
  display: block;
  line-height: 1;
}
.work-stat .l {
  font-size: var(--fs-small);
  color: var(--muted);
  margin-top: 0.3rem;
  max-width: 22ch;
}

/* ============================================================
   Repo manifest (case study 05 — terminal-style listing)
   ============================================================ */

.repo-manifest {
  margin-top: var(--space-l);
  background: var(--ink);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(20,32,43,0.18);
}

.repo-manifest-head {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.55);
  padding: var(--space-m) var(--space-l);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.repo-manifest-head .prompt { color: var(--accent-soft); margin-right: 0.6em; }
.repo-manifest-head .flag { color: rgba(255,255,255,0.35); }

.repo-row {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.2rem var(--space-m);
  padding: var(--space-m) var(--space-l);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background 0.25s var(--ease);
}

.repo-row:last-child { border-bottom: 0; }
.repo-row:hover { background: rgba(255,255,255,0.04); }

.repo-idx {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.35);
  padding-top: 0.15rem;
}

.repo-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent-soft);
  grid-column: 2;
}

.repo-desc {
  grid-column: 2;
  color: rgba(255,255,255,0.68);
  font-size: var(--fs-small);
  line-height: 1.5;
  max-width: 62ch;
}

.repo-tags {
  grid-column: 2;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.4);
  margin-top: 0.2rem;
}

@media (max-width: 640px) {
  .repo-row { grid-template-columns: 1fr; gap: 0.3rem; }
  .repo-idx { display: none; }
  .repo-name, .repo-desc, .repo-tags { grid-column: 1; }
}

/* ============================================================
   Accessibility — focus states & reduced motion
   ============================================================ */

a:focus-visible,
button:focus-visible,
.repo-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.nav-links a:focus-visible::after { transform: scaleX(1); }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .status .pulse::after { animation: none; opacity: 0; }
  * {
    scroll-behavior: auto !important;
  }
}