/* ============================================
   WILSON MA — Portfolio
   Base Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
  --navy:    #1C2B3A;
  --navy-mid:#243447;
  --cream:   #F7F5F2;
  --white:   #FFFFFF;
  --ink:     #1A1A2E;
  --muted:   #6B7A8D;
  --border:  #E4E1DB;

  --tag-growth:  #EAE7FF;
  --tag-growth-t:#5B4FBE;
  --tag-product: #E6F4EC;
  --tag-product-t:#2D7A4F;
  --tag-systems: #FFF3E0;
  --tag-systems-t:#B85C00;

  --metric-accent: #5B4FBE;

  --font-mono: 'Space Mono', monospace;
  --font-sans: 'Inter', system-ui, sans-serif;

  --radius: 8px;
  --radius-lg: 16px;
  --max-w: 1100px;
  --nav-h: 60px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   GLOBAL NAV
   ============================================ */

.site-nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(28, 43, 58, 0.96);
  backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 14px;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.05em;
  opacity: 0.9;
}
.nav-logo:hover { opacity: 1; }

.nav-links {
  display: flex; gap: 32px; list-style: none;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: #fff; }

/* ============================================
   HOMEPAGE — HERO
   ============================================ */

.hero {
  background: var(--navy);
  min-height: 100vh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 80px) 80px 100px;
}

.hero-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-name {
  font-family: var(--font-mono);
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 700;
  color: #fff;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 32px;
}

.hero-bio {
  font-size: 18px;
  font-weight: 400;
  color: rgba(255,255,255,0.72);
  line-height: 1.65;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-contact {
  display: flex; flex-direction: column; gap: 6px;
}
.hero-contact a {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.2s;
  font-family: var(--font-mono);
}
.hero-contact a:hover { color: rgba(255,255,255,0.85); }

.hero-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 16px;
}

.hero-works-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 10px;
}
.hero-works-list a {
  font-size: 16px;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  display: flex; align-items: center; gap: 10px;
  transition: color 0.2s;
}
.hero-works-list a::before {
  content: '→';
  font-size: 13px;
  opacity: 0.4;
  transition: opacity 0.2s, transform 0.2s;
}
.hero-works-list a:hover { color: #fff; }
.hero-works-list a:hover::before { opacity: 1; transform: translateX(3px); }

/* ============================================
   CASE STUDY CARDS
   ============================================ */

.works-section {
  background: var(--cream);
  padding: 100px 80px;
}

.works-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 48px;
}

.cards-grid {
  display: flex; flex-direction: column; gap: 24px;
}

.case-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  cursor: pointer;
}

.case-card:hover {
  border-color: #c8c2f0;
  box-shadow: 0 8px 40px rgba(91,79,190,0.1);
  transform: translateY(-2px);
}

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.tag-growth  { background: var(--tag-growth);  color: var(--tag-growth-t); }
.tag-product { background: var(--tag-product); color: var(--tag-product-t); }
.tag-systems { background: var(--tag-systems); color: var(--tag-systems-t); }

.card-title {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.2;
}

.card-subtitle {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 28px;
  max-width: 540px;
}

.card-meta {
  display: flex; gap: 32px;
  font-size: 13px;
}
.card-meta-item strong {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 3px;
}
.card-meta-item span { color: var(--ink); font-weight: 500; }

.card-stat {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 28px;
  display: flex; flex-direction: column; justify-content: center;
  gap: 6px;
  align-self: center;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  color: var(--metric-accent);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--metric-accent);
  margin-top: 24px;
}
.card-cta::after {
  content: '→';
  transition: transform 0.2s;
}
.case-card:hover .card-cta::after { transform: translateX(4px); }

/* ============================================
   CASE STUDY PAGES — LAYOUT
   ============================================ */

.cs-hero {
  background: var(--navy);
  padding: calc(var(--nav-h) + 80px) 80px 80px;
}

.cs-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.cs-back {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  margin-bottom: 0;
  transition: color 0.2s;
  letter-spacing: 0.02em;
}
.cs-back:hover { color: rgba(255,255,255,0.85); }
.cs-back::before { content: '←'; }

/* Tag pill: sits 60px below the Back CTA, left-aligned with the arrow */
.cs-hero-inner .tag,
.vd-hero-inner .tag {
  margin-top: 60px;
  margin-bottom: 24px;
}

.cs-title {
  font-family: var(--font-mono);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 20px;
}

.cs-subtitle {
  font-size: 20px;
  color: rgba(255,255,255,0.6);
  max-width: 680px;
  line-height: 1.55;
  margin-bottom: 48px;
}

.cs-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.cs-meta-item strong {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 6px;
}
.cs-meta-item span {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
}

/* ============================================
   CASE STUDY — SECTIONS
   ============================================ */

.cs-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px;
}

.cs-section {
  margin-bottom: 80px;
}

.cs-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--metric-accent);
  margin-bottom: 12px;
}

.cs-section-title {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.5vw, 34px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 12px;
}

.cs-section-intro {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 40px;
  max-width: 680px;
}

/* Metrics hero block */
.metric-hero {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-bottom: 32px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: center;
  border: 1px solid var(--border);
}

.metric-hero-number {
  font-family: var(--font-mono);
  font-size: 96px;
  font-weight: 700;
  color: var(--metric-accent);
  line-height: 1;
  white-space: nowrap;
}

.metric-hero-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.metric-hero-context {
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
}

.metric-hero-note {
  font-size: 14px;
  color: var(--muted);
  margin-top: 8px;
}

/* Metrics grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.metric-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.metric-card .number {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--metric-accent);
  line-height: 1;
  margin-bottom: 6px;
}

.metric-card .label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.metric-card .sub {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

/* Two column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.content-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.content-block h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.content-block .block-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.content-block p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 12px;
}

.content-block ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 6px;
}

.content-block ul li {
  font-size: 14px;
  color: var(--ink);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.content-block ul li::before {
  content: '•';
  position: absolute; left: 0;
  color: var(--metric-accent);
}

/* Three column layout */
.three-col {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

/* Callout block */
.callout {
  background: #F0EEFF;
  border-left: 3px solid var(--metric-accent);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 32px;
}

.callout p {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.6;
  font-style: italic;
}

.callout strong {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--metric-accent);
  margin-bottom: 8px;
  font-style: normal;
}

/* Insight numbered list */
.insights-list {
  display: flex; flex-direction: column; gap: 20px;
  margin-bottom: 32px;
}

.insight-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  align-items: start;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.insight-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  padding-top: 2px;
}

.insight-content h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.insight-content p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* IA Diagram */
.ia-flow {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  margin-bottom: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.ia-layer {
  padding: 32px;
  border-right: 1px solid var(--border);
}
.ia-layer:last-child { border-right: none; }

.ia-layer-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.ia-layer-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.ia-layer-q {
  font-size: 13px;
  font-style: italic;
  color: var(--muted);
  margin-bottom: 16px;
}

.ia-layer-detail {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.ia-layer-stat {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--metric-accent);
  margin-top: 12px;
}

/* Token tier */
.token-tiers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
}

.token-tier {
  padding: 28px 24px;
  border-right: 1px solid var(--border);
}
.token-tier:last-child { border-right: none; }

.token-tier-num {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.token-tier-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.token-tier-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.token-example {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--metric-accent);
  background: #F0EEFF;
  padding: 6px 10px;
  border-radius: 4px;
  display: inline-block;
}

/* Divider */
.divider {
  height: 1px;
  background: var(--border);
  margin: 60px 0;
}

/* Next case study */
.cs-next {
  background: var(--navy);
  padding: 80px;
  text-align: center;
}

.cs-next-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 20px;
}

.cs-next-title {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.cs-next-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 32px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #5B4FBE;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 100px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: #4a3faa; transform: translateY(-1px); }
.btn-primary::after { content: '→'; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.2);
  text-decoration: none;
  transition: all 0.2s;
  margin-left: 12px;
}
.btn-secondary:hover { color: #fff; border-color: rgba(255,255,255,0.5); }

/* ============================================
   HOMEPAGE — TRACK DIVIDERS
   ============================================ */

.track-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
}

.track-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}

.track-desc {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.track-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.track-section {
  margin-top: 80px;
}

/* ============================================
   VISUAL DESIGN CARDS (homepage)
   ============================================ */

.tag-visual  { background: #FDE8EF; color: #C0284A; }

.vd-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.vd-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}

.vd-card:hover {
  border-color: #f0a0b8;
  box-shadow: 0 8px 40px rgba(192,40,74,0.08);
  transform: translateY(-2px);
}

.vd-thumb {
  height: 200px;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.vd-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vd-thumb-placeholder {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--border);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.vd-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.vd-title {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.2;
}

.vd-subtitle {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 20px;
  flex: 1;
}

.vd-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.vd-chip {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--cream);
  color: var(--muted);
  border: 1px solid var(--border);
}

.vd-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.vd-role {
  font-size: 12px;
  color: var(--muted);
}

.vd-cta {
  font-size: 13px;
  font-weight: 600;
  color: #C0284A;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.vd-cta::after {
  content: '→';
  transition: transform 0.2s;
}

.vd-card:hover .vd-cta::after { transform: translateX(3px); }

/* ============================================
   VISUAL DESIGN PAGES
   ============================================ */

.vd-hero {
  background: var(--navy);
  padding: calc(var(--nav-h) + 80px) 80px 80px;
}

.vd-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.vd-page-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px;
}

/* Image gallery grid */
.img-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.img-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.img-grid-span2 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.img-placeholder {
  background: var(--cream);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  min-height: 220px;
}

.img-placeholder.tall { min-height: 320px; }
.img-placeholder.short { min-height: 140px; }

.img-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

/* Real images in grid slots */
.cs-img {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--cream);
}
.cs-img img {
  width: 100%;
  display: block;
}
.cs-img.tall img { min-height: 320px; object-fit: cover; }
.cs-img.short img { max-height: 180px; object-fit: cover; }

/* Deliverables list */
.deliverables-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.deliverable-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.deliverable-icon {
  font-size: 20px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.deliverable-content h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.deliverable-content p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background: var(--ink);
  padding: 40px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

footer .logo {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

footer .contact {
  display: flex; gap: 24px;
}

footer .contact a {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  transition: color 0.2s;
}
footer .contact a:hover { color: rgba(255,255,255,0.85); }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding: calc(var(--nav-h) + 48px) 32px 64px; }
  .works-section { padding: 64px 32px; }
  .case-card { grid-template-columns: 1fr; padding: 32px; }
  .card-stat { display: none; }
  .cs-hero { padding: calc(var(--nav-h) + 48px) 32px 48px; }
  .vd-hero { padding: calc(var(--nav-h) + 48px) 32px 48px; }
  .cs-content { padding: 48px 32px; }
  .vd-page-content { padding: 48px 32px; }
  .two-col, .three-col, .ia-flow, .token-tiers { grid-template-columns: 1fr; }
  .ia-layer, .token-tier { border-right: none; border-bottom: 1px solid var(--border); }
  .ia-layer:last-child, .token-tier:last-child { border-bottom: none; }
  .metric-hero { grid-template-columns: 1fr; }
  .metric-hero-number { font-size: 64px; }
  .cs-meta-grid { grid-template-columns: 1fr 1fr; }
  .cs-next { padding: 48px 32px; }
  footer { flex-direction: column; gap: 20px; padding: 32px; }
  .site-nav { padding: 0 24px; }
  .vd-cards-grid { grid-template-columns: 1fr; }
  .img-grid-2, .img-grid-3, .img-grid-span2 { grid-template-columns: 1fr; }
  .deliverables-grid { grid-template-columns: 1fr; }
  .track-header { flex-wrap: wrap; gap: 12px; }
  .track-desc { display: none; }
}


/* ============================================
   ABOUT PAGE
   ============================================ */

.about-hero {
  background: var(--navy);
  padding: calc(var(--nav-h) + 80px) 80px 72px;
}

.about-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.about-hero-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}

.about-hero-title {
  font-family: var(--font-mono);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  color: #fff;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.about-hero-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.45);
  font-family: var(--font-mono);
}

/* Split layout */
.about-split-section {
  background: var(--white);
  padding: 80px;
}

.about-split {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* Left — Bio */
.about-left {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.about-block {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.about-block-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.about-body {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.75;
}

.about-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-list li {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.65;
  padding-left: 16px;
  position: relative;
}

.about-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--muted);
  font-size: 13px;
}

.about-contact-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.about-contact-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.about-contact-link:hover { color: var(--ink); }

/* Right — Form */
.about-right {
  position: sticky;
  top: calc(var(--nav-h) + 32px);
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.form-header {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-title {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
}

.form-subtitle {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.form-input,
.form-textarea {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--muted);
  opacity: 0.7;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--metric-accent);
  box-shadow: 0 0 0 3px rgba(91,79,190,0.1);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

.btn-submit {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--navy);
  border: none;
  border-radius: var(--radius);
  padding: 14px 28px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  align-self: flex-start;
}

.btn-submit:hover { background: var(--metric-accent); }
.btn-submit:active { transform: scale(0.98); }

.form-note {
  font-size: 13px;
  color: var(--muted);
}

.form-note a {
  color: var(--metric-accent);
  text-decoration: none;
}
.form-note a:hover { text-decoration: underline; }

/* About responsive */
@media (max-width: 768px) {
  .about-hero { padding: calc(var(--nav-h) + 48px) 24px 48px; }
  .about-split-section { padding: 48px 24px; }
  .about-split { grid-template-columns: 1fr; gap: 48px; }
  .about-right { position: static; }
  .form-row { grid-template-columns: 1fr; }
}