:root {
  --bg: #fbfbfb;
  --surface: #efefef;
  --border: #e2e2e2;
  --panel: #e9e9e9;
  --placeholder: #e8e8e8;
  --ink: #141414;
  --ink-2: #3a3a3a;
  --muted: #5f5f5f;
  --faint: #a6a6a6;
  --accent: #226e78;
  --radius-card: 12px;
  --content-max: 1072px;
  --measure: 68ch;
  --gutter: clamp(20px, 5vw, 56px);
  --font-body: "Geist", "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: "Geist", "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255,255,255,0) 73%, rgba(255,255,255,0.25) 100%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

/* ---------- Nav ---------- */
.nav-shell { padding-top: clamp(20px, 6vw, 64px); }

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 2.4vw, 32px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px clamp(16px, 2vw, 24px);
  font-family: var(--font-body);
  width: fit-content;
  margin-inline: auto;
}

.brand {
  font-size: clamp(13px, 1.3vw, 15px);
  white-space: nowrap;
}
.brand .year { color: var(--faint); }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.8vw, 24px);
  font-size: clamp(13px, 1.3vw, 15px);
}
.nav-links a { position: relative; padding-bottom: 2px; }
.nav-links a[aria-current="page"] { font-weight: 500; }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1.5px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }

/* ---------- Hero (home) ---------- */
.hero {
  display: flex;
  align-items: center;
  gap: clamp(40px, 14vw, 207px);
  padding-top: clamp(56px, 13vw, 198px);
  padding-bottom: clamp(80px, 18vw, 260px);
}
.hero-art {
  flex: 0 0 auto;
  width: clamp(200px, 32vw, 380px);
  position: relative;       /* anchors the 3D canvas overlay below */
  aspect-ratio: 398 / 432;  /* reserves space so nothing jumps once the canvas sizes itself */
}
/* Soft grounding shadow beneath the logo — an easy, cheap depth cue (no 3D
   cost) that keeps it from reading as if it's just floating on nothing. */
.hero-art::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 6%;
  width: 62%;
  height: 12%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(20, 20, 20, 0.24) 0%, rgba(20, 20, 20, 0) 72%);
  filter: blur(10px);
  pointer-events: none;
}
/* The 2D poster/WebP is hidden by default — the 3D canvas below is the
   primary hero art now. hero-logo.js only reveals this (via
   .is-fallback-visible) if WebGL is unavailable or the model/HDRI fail to
   load; prefers-reduced-motion reveals it unconditionally further down. */
.hero-art img {
  width: 100%;
  height: auto;
  display: none;
}
.hero-art img.is-fallback-visible {
  display: block;
}

/* 3D chrome logo (hero-logo.js): fades in once the model + HDRI are loaded. */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  transition: opacity .6s ease;
}
.hero-canvas.is-ready { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .hero-canvas { display: none; } /* 3D scene never mounts for reduced-motion visitors (see hero-logo.js) */
  .hero-art img { display: block; } /* ...so the static/animated 2D art takes over instead */
}
.hero-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: clamp(18px, 1.5vw, 20px);
  line-height: 27px;
  max-width: 260px;
}
.hero-text .name { color: var(--ink); }
.hero-text .role { color: var(--muted); }

/* ---------- Case studies (home) ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(90px, 16vw, 220px);
}
.case {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.case-thumb {
  position: relative;
  aspect-ratio: 450 / 360;
  background: linear-gradient(155deg, var(--surface) 0%, var(--panel) 100%);
  border-radius: var(--radius-card);
  width: 100%;
  overflow: hidden;
  /* "Inside" shadow: a soft inward vignette that gives the tile itself
     some depth, rather than a flat placeholder-grey rectangle. */
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), inset 0 -28px 40px -24px rgba(20, 20, 20, 0.16);
}
.case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.case-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--ink);
  border-radius: 46px;
  padding: 6px 12px;
}
.case-title {
  font-weight: 400;
  font-size: clamp(20px, 2.2vw, 24px);
  line-height: 1.25;
  margin: 0;
}
.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.case-tag {
  border: 1px solid var(--ink);
  border-radius: 46px;
  padding: 6px 12px;
  font-size: 10px;
  letter-spacing: 1px;
  line-height: 1;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.case-body {
  color: var(--muted);
  font-size: clamp(14px, 1.1vw, 16px);
  line-height: 1.6;
  margin: 0;
  max-width: 46ch;
}

/* ---------- Resume ---------- */
.bio {
  display: flex;
  align-items: flex-start;
  gap: clamp(40px, 8vw, 120px);
  padding-top: clamp(48px, 9vw, 130px);
}
.bio-photo {
  flex: 0 0 auto;
  width: clamp(220px, 30vw, 350px);
  aspect-ratio: 35 / 31;
  background: var(--placeholder);
  border-radius: 16px;
}
.bio-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
  border-radius: 16px;
  display: block;
}
.bio-text { max-width: 480px; }
.bio-name { font-size: 20px; margin: 0 0 18px; color: var(--ink); }
.bio-summary {
  margin: 0;
  color: var(--muted);
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.55;
}

.section-mark {
  margin: clamp(28px, 5vw, 56px) 0 clamp(40px, 8vw, 80px);
}
.section-mark img { width: 38px; height: auto; display: block; }

.resume-block { padding-bottom: clamp(56px, 10vw, 120px); }
.section-h {
  font-size: clamp(34px, 5vw, 48px);
  font-weight: 400;
  line-height: 1.1;
  margin: 0 0 clamp(28px, 4vw, 52px);
}

.exp-list {
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 6vw, 64px);
}
.exp-title {
  font-size: clamp(18px, 1.6vw, 20px);
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--ink);
}
.exp-desc {
  margin: 0 0 16px;
  color: var(--ink-2);
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.55;
  max-width: 70ch;
}
.exp-meta {
  margin: 0;
  color: var(--muted);
  font-size: clamp(14px, 1.2vw, 16px);
}

.edu-skills {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 1.7fr;
  gap: clamp(40px, 6vw, 80px);
}
.edu-item .edu-school {
  font-size: clamp(17px, 1.5vw, 19px);
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--ink);
}
.edu-item p {
  margin: 0;
  color: var(--ink-2);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.5;
}

.skill-groups {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 3vw, 34px);
}
.skill-cat {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  margin: 0 0 10px;
}
.skill-items {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 2;
  max-width: 62ch;
}

/* ---------- Footer ---------- */
footer {
  background:
    linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.18) 100%),
    var(--bg);
  padding-block: clamp(48px, 9vw, 96px);
}
.connect-eyebrow {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin: 0 0 18px;
}
.connect-email {
  font-size: clamp(18px, 2.2vw, 20px);
  font-weight: 500;
  letter-spacing: 2px;
  margin: 0 0 22px;
  word-break: break-word;
}
.contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  letter-spacing: .5px;
  padding: 9px 26px;
  border-radius: 999px;
  transition: transform .2s ease, opacity .2s ease;
}
.contact-btn:hover,
.contact-btn:focus-visible { transform: translateY(-2px); opacity: .9; }

.footer-rule {
  border: 0;
  border-top: 1px solid var(--border);
  margin: clamp(40px, 7vw, 64px) 0 28px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  gap: clamp(20px, 4vw, 40px);
  flex-wrap: wrap;
  font-family: var(--font-body);
  font-size: clamp(16px, 1.8vw, 24px);
}
.footer-star { flex: 0 0 auto; width: 40px; height: auto; display: block; }
.footer-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.6vw, 36px);
}
.footer-nav a { position: relative; }
.footer-nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.footer-linkedin { margin-left: auto; }

/* ---------- Motion ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .contact-btn, .nav-links a::after { transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero { flex-direction: column; align-items: center; }
  .hero-text { max-width: none; text-align: center; }
  .case-grid { grid-template-columns: 1fr; }
  .bio { flex-direction: column; }
  .bio-text { max-width: none; }
  .edu-skills { grid-template-columns: 1fr; }

  /* Homepage-only: nav pill starts faded out and reveals on the visitor's
     first scroll/touch (see app.js). Opacity only (no visibility:hidden) —
     hiding it from hit-testing meant a first tap landing on a nav link only
     revealed the pill instead of following the link, forcing a second tap.
     Leaving it hit-testable while faded lets that same first tap register
     as a real click. */
  .nav-shell--reveal {
    opacity: 0;
    transition: opacity .35s ease;
  }
  .nav-shell--reveal.is-visible {
    opacity: 1;
  }
}

@media (max-width: 860px) and (prefers-reduced-motion: reduce) {
  .nav-shell--reveal { transition: none; }
}

@media (max-width: 560px) {
  .nav { flex-direction: column; align-items: center; gap: 14px; border-radius: 28px; }
  .nav-links { gap: 20px; }
  .brand .year { display: inline; }
}

/* ===================================================================
   Case study page
   =================================================================== */
.cs-top { padding-top: 0; }

.cs-figure {
  background: transparent;
  border-radius: var(--radius-card);
  width: 100%;
  overflow: hidden;
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
}
.cs-figure img { width: 100%; height: 100%; object-fit: contain; display: block; }
.cs-figure[data-label]::after {
  content: attr(data-label);
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 12px;
  text-align: center;
}
.cs-figure:has(img)::after { content: none; }

.cs-figure--strip   { aspect-ratio: 16 / 9; }
.cs-figure--diagram { aspect-ratio: 7 / 2; }
.cs-figure--wide    { aspect-ratio: 3 / 2; }
.cs-figure--portrait{ aspect-ratio: 3 / 4; }

.cs-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 6vw, 64px);
  align-items: start;
  margin: clamp(28px, 5vw, 48px) 0 clamp(56px, 10vw, 120px);
}
.cs-overview-details { display: flex; flex-direction: column; gap: clamp(28px, 4vw, 40px); }

.cs-head { margin: 0; }
.cs-title { font-size: clamp(28px, 3.6vw, 40px); font-weight: 400; line-height: 1.1; margin: 0 0 6px; }
.cs-subtitle { color: var(--muted); font-size: clamp(13px, 1.3vw, 15px); }

.cs-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  max-width: none;
  margin-bottom: 0;
}
.cs-meta-label { color: var(--muted); font-size: 12px; margin: 0 0 6px; }
.cs-meta-value { font-size: clamp(13px, 1.2vw, 14px); margin: 0; line-height: 1.35; }

.cs-intro { max-width: none; margin: 0; }
.cs-intro p { color: var(--ink-2); font-size: clamp(13px, 1.3vw, 15px); line-height: 1.65; margin: 0 0 18px; }
.cs-intro p:last-child { margin-bottom: 0; }

@media (max-width: 860px) {
  .cs-overview { grid-template-columns: 1fr; gap: 32px; }
}
.cs-link {
  display: inline-block;
  font-size: 13px;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}
.cs-link:hover { opacity: .7; }

.cs-brand { text-align: center; padding-bottom: clamp(48px, 9vw, 110px); }
.cs-brand-logo { font-family: Georgia, "Times New Roman", serif; font-style: italic; font-size: clamp(44px, 8vw, 86px); line-height: 1; margin: 0; }
.cs-brand-logo small { display: block; font-family: var(--font-body); font-style: normal; font-size: clamp(11px, 1.4vw, 14px); letter-spacing: 8px; margin-top: 10px; }
.cs-brand-cap { max-width: 430px; margin: clamp(28px, 4vw, 44px) auto 0; color: var(--ink-2); font-size: clamp(13px, 1.3vw, 15px); line-height: 1.55; }

.cs-section { padding-bottom: clamp(48px, 8vw, 96px); }
.cs-h { font-size: clamp(22px, 2.6vw, 30px); font-weight: 400; margin: 0 0 clamp(20px, 3vw, 28px); }
.cs-h--sm { font-size: clamp(17px, 2vw, 21px); font-weight: 500; }

.cs-text { color: var(--ink-2); font-size: clamp(13px, 1.2vw, 15px); line-height: 1.65; margin: 0; }
.cs-text + .cs-text { margin-top: 16px; }

/* Case study: bulleted findings/insights lists */
.cs-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.cs-text + .cs-list, .cs-list + .cs-text, .cs-h--sm + .cs-list { margin-top: 16px; }
.cs-list li { position: relative; padding-left: 18px; color: var(--ink-2); font-size: clamp(13px, 1.2vw, 15px); line-height: 1.65; }
.cs-list li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 5px; height: 5px; border-radius: 50%; background: var(--ink-2); }

.cs-cols2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 72px);
  margin-bottom: clamp(28px, 4vw, 44px);
}

.cs-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}
.cs-split-text .cs-h { margin-bottom: 18px; }

.cs-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
}
.cs-pair .cs-figure { margin-top: 18px; }

.cs-annot {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
  margin-top: clamp(28px, 4vw, 40px);
}
.cs-annot-list { display: flex; flex-direction: column; gap: clamp(20px, 3vw, 26px); }
.cs-annot-label { font-weight: 700; font-size: 14px; margin: 0 0 4px; }

@media (max-width: 860px) {
  .cs-meta { max-width: none; }
  .cs-cols2, .cs-split, .cs-pair, .cs-annot { grid-template-columns: 1fr; }
}

/* Clickable case cards (home) */
.case-link { display: flex; flex-direction: column; gap: 16px; color: inherit; }
.case-link .case-thumb img { transition: transform .4s ease; }
.case-link:hover .case-thumb img { transform: scale(1.03); }
.case-link:hover .case-title { text-decoration: underline; text-underline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  .case-link .case-thumb img { transition: none; }
}

.cs-brand-mark { width: clamp(220px, 42vw, 440px); height: auto; display: block; margin: 0 auto; }

.cs-hero-media {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  margin-bottom: clamp(24px, 4vw, 44px);
}
.cs-hero-media img { width: 100%; height: auto; display: block; }

/* Nav floats over the hero image instead of pushing it down */
.nav-shell--float {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
}

/* Case study: full-width floating media + stats */
.cs-media-full { width: 100%; margin-block: clamp(28px, 5vw, 64px); }
.cs-media-full img { width: 100%; height: auto; display: block; }

.cs-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  padding-block: clamp(40px, 7vw, 88px);
}
.cs-stat-num { font-size: clamp(40px, 6vw, 66px); font-weight: 400; line-height: 1; margin: 0 0 14px; }
.cs-stat-desc { color: var(--muted); font-size: clamp(13px, 1.2vw, 15px); line-height: 1.6; margin: 0; max-width: 44ch; }

@media (max-width: 860px) {
  .cs-stats { grid-template-columns: 1fr; gap: clamp(28px, 6vw, 40px); }
}

/* Case study: text-style stat callouts (e.g. Street Dog Coalition) */
.cs-stats--lead .cs-stat-num { font-size: clamp(22px, 3.2vw, 32px); color: #226e78; line-height: 1.15; }

/* Embedded presentation (Canva etc.) */
.cs-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--panel);
}
.cs-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ===================================================================
   Projects catalog page
   =================================================================== */
.proj-head { padding-top: clamp(40px, 9vw, 120px); }
.proj-title { font-size: clamp(34px, 5vw, 52px); font-weight: 400; line-height: 1.05; margin: 0 0 10px; }
.proj-sub { color: var(--muted); font-size: clamp(14px, 1.4vw, 16px); margin: 0 0 clamp(28px, 4vw, 40px); }

.proj-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(36px, 6vw, 64px);
}
.proj-filter {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .3px;
  padding: 9px 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.proj-filter:hover { background: rgba(0, 0, 0, 0.05); }
.proj-filter[aria-pressed="true"] { background: var(--ink); color: #fff; }

.case-tag--lead { background: var(--ink); color: #fff; border-color: var(--ink); }

.case.is-hidden { display: none; }

@media (prefers-reduced-motion: reduce) {
  .proj-filter { transition: none; }
}

/* Case study: pull quotes (research-heavy studies) */
.cs-quote {
  border-left: 3px solid var(--border);
  padding-left: 22px;
  margin: clamp(20px, 3vw, 30px) 0;
  color: var(--ink-2);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.5;
  font-style: italic;
}
.cs-quote cite { display: block; font-style: normal; color: var(--muted); font-size: 13px; margin-top: 10px; }
.cs-quote--tight { margin: 14px 0; }

/* Visible image placeholders (awaiting exports) */
.cs-figure--ph { background: var(--placeholder); }

/* Transportation case study tweaks */
.cs-next { display: flex; flex-direction: column; gap: clamp(28px, 4vw, 48px); }

/* "Next Project" link, bottom of every case study — reuses .case-link/
   .case-thumb/.case-title from the homepage grid for a consistent hover
   (lift, thumb zoom, underline), just narrower than a full grid column. */
.cs-next-project { max-width: 380px; }

/* Problem & Approach read as full-width copy instead of the capped measure */
section[aria-labelledby="problem-h"] .cs-text,
section[aria-labelledby="approach-h"] .cs-text {
  max-width: none;
}

/* ===================================================================
   Micro-interactions & mobile polish
   =================================================================== */

/* Media never overflows; guard against accidental horizontal scroll */
img, svg, video, iframe { max-width: 100%; }
body { overflow-x: clip; }

/* Nav entrance on load */
@keyframes navFadeDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.nav { animation: navFadeDown .55s cubic-bezier(.22,.61,.36,1) both; }

/* Smoother reveal + staggered grid children */
.reveal { transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); }
.case-grid .case:nth-child(2) { transition-delay: .07s; }
.case-grid .case:nth-child(3) { transition-delay: .14s; }
.case-grid .case:nth-child(4) { transition-delay: .21s; }
.case-grid .case:nth-child(5) { transition-delay: .28s; }

/* Clickable project cards: gentle lift + soft shadow (adds to existing thumb zoom) */
.case-link { transition: transform .35s cubic-bezier(.22,.61,.36,1); }
.case-thumb { transition: box-shadow .35s ease; }
.case-link:hover { transform: translateY(-5px); }
.case-link:hover .case-thumb { box-shadow: 0 18px 38px -16px rgba(17,17,17,.32); }

/* Press feedback */
.contact-btn { transition: transform .25s cubic-bezier(.22,.61,.36,1), opacity .25s ease; }
.contact-btn:active { transform: translateY(0) scale(.97); }
.proj-filter { transition: background .2s ease, color .2s ease, transform .15s ease; }
.proj-filter:active { transform: scale(.95); }

/* Brand hover */
.brand { transition: opacity .2s ease; }
.brand:hover { opacity: .72; }


@media (prefers-reduced-motion: reduce) {
  .nav { animation: none; }
  .case-link, .case-thumb, .proj-filter, .brand, .contact-btn { transition: none; }
  .case-link:hover { transform: none; }
  .case-link:hover .case-thumb { box-shadow: none; }
}


/* ===================================================================
   Design polish pass — palette, hierarchy, type, measure
   =================================================================== */
.cs-title, .cs-h, .section-h, .proj-title, .case-title {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.012em;
}
.cs-h { font-size: clamp(24px, 3vw, 34px); line-height: 1.14; margin-bottom: clamp(24px, 3.5vw, 40px); }
.cs-title { font-size: clamp(30px, 3.8vw, 44px); line-height: 1.06; }
.proj-title { font-size: clamp(36px, 5vw, 56px); }
.section-h { font-size: clamp(34px, 5vw, 50px); }

/* sub-headings stay sans for contrast */
.cs-h--sm { font-family: var(--font-body); font-weight: 600; letter-spacing: 0; font-size: clamp(17px, 1.9vw, 20px); }

/* readable measure for body copy */
.cs-text { max-width: var(--measure); }

/* stronger, quieter meta labels */
.cs-meta-label { text-transform: uppercase; letter-spacing: 1.3px; font-size: 11px; color: var(--faint); font-weight: 500; margin-bottom: 9px; }
.cs-meta-value { font-size: clamp(14px, 1.3vw, 15px); color: var(--ink); }

/* more breathing room between sections */
.cs-section { padding-bottom: clamp(56px, 9vw, 108px); }