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

:root {
  --white: #ffffff;
  --charcoal: #343434;
  --charcoal-light: #5a5a5a;
  --charcoal-faint: #e8e8e8;
  --charcoal-bg: #f7f7f7;
  --red: #DB3334;
  --serif: 'Source Serif 4', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
  --max: 780px;
  --margin: clamp(1.5rem, 6vw, 5rem);
}

html { font-size: 18px; }

body {
  background: var(--white);
  color: var(--charcoal);
  font-family: var(--serif);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.hidden { display: none !important; }

/* ── STICKY FOOTER (homepage) ── */
.page-home {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-home .intro {
  flex: 1;
}
.rule {
  border: none;
  border-top: 1px solid var(--charcoal-faint);
  margin: 0;
}

/* ── NAV ── */
nav {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.75rem var(--margin);
  border-bottom: 1px solid var(--charcoal-faint);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 100;
}

.nav-name {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--red);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--charcoal-light);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.nav-active { color: var(--charcoal); }

/* ── FOOTER ── */
footer {
  padding: 2rem var(--margin);
  border-top: 1px solid var(--charcoal-faint);
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--charcoal-light);
  letter-spacing: 0.04em;
}

/* ── SHARED LABELS ── */
.section-label {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1.25rem;
}

/* ── BUTTON ── */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--charcoal);
  border: 1px solid var(--charcoal);
  padding: 0.65rem 1.5rem;
  margin-top: 2rem;
  margin-right: 0.75rem;
  transition: background 0.2s, color 0.2s;
}

.btn:hover {
  background: var(--charcoal);
  color: var(--white);
}

.btn-secondary {
  border-color: var(--charcoal-faint);
  color: var(--charcoal-light);
}

.btn-secondary:hover {
  background: var(--charcoal-faint);
  color: var(--charcoal);
}

.link-arrow {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--charcoal-light);
  transition: color 0.2s;
}

.link-arrow:hover { color: var(--charcoal); }

/* ─────────────────────────────
   HOMEPAGE
───────────────────────────── */

/* Intro */
.intro {
  padding: 6rem var(--margin) 5rem;
  max-width: calc(var(--max) + var(--margin) * 2);
  margin: 0 auto;
}

.intro-label {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 2rem;
}

.intro h1 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--charcoal);
  margin-bottom: 1.5rem;
  max-width: 680px;
}

.intro-bio {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--charcoal-light);
  max-width: 580px;
}

/* Featured work */
.featured {
  padding: 4rem var(--margin) 5rem;
  max-width: calc(var(--max) + var(--margin) * 2);
  margin: 0 auto;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 0;
}

.featured-card {
  display: block;
  cursor: pointer;
}

.featured-card:hover .featured-img {
  opacity: 0.85;
}

.featured-card:hover .featured-company {
  color: var(--red);
}

.featured-img {
  aspect-ratio: 4/3;
  background: var(--charcoal-faint);
  margin-bottom: 1rem;
  transition: opacity 0.2s;
}

.featured-img.placeholder {
  background: var(--charcoal-faint);
}

.featured-company {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 0.2rem;
  transition: color 0.2s;
}

.featured-role {
  font-family: var(--sans);
  font-size: 0.68rem;
  color: var(--charcoal-light);
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
}

.featured-desc {
  font-family: var(--serif);
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--charcoal-light);
}

.featured-footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--charcoal-faint);
  text-align: right;
}

footer a {
  color: var(--charcoal-light);
  border-bottom: 1px solid var(--charcoal-faint);
  transition: color 0.2s;
}

footer a:hover { color: var(--charcoal); }

/* ─────────────────────────────
   WORK INDEX
───────────────────────────── */

/* Gate */
.gate {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--margin);
}

.gate-inner {
  text-align: center;
  max-width: 380px;
}

.gate-label {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}

.gate-sub {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--charcoal-light);
  margin-bottom: 2rem;
}

.gate-sub a {
  color: var(--charcoal);
  border-bottom: 1px solid var(--charcoal-faint);
}

.gate-form {
  display: flex;
  gap: 0;
  border: 1px solid var(--charcoal-faint);
}

.gate-form input {
  flex: 1;
  border: none;
  padding: 0.75rem 1rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--charcoal);
  background: var(--white);
  outline: none;
}

.gate-form button {
  border: none;
  border-left: 1px solid var(--charcoal-faint);
  background: var(--charcoal);
  color: var(--white);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  transition: background 0.2s;
}

.gate-form button:hover { background: #222; }

.gate-error {
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--red);
  margin-top: 0.75rem;
  min-height: 1rem;
}

/* Work header */
.work-header {
  padding: 4rem var(--margin) 3rem;
  border-bottom: 1px solid var(--charcoal-faint);
}

.work-header-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.work-header h1 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 400;
  color: var(--charcoal);
  margin-bottom: 1rem;
}

.work-intro {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.7;
  color: var(--charcoal-light);
  max-width: 580px;
}

/* Work items */
.work-index {
  padding: 0 var(--margin);
  max-width: calc(var(--max) + var(--margin) * 2);
  margin: 0 auto;
}

.work-index-inner {
  padding: 3rem 0;
}

.work-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  padding: 3rem 0;
  align-items: start;
  cursor: pointer;
}

.work-item-group {
  cursor: default;
}

.work-item:not(.work-item-group):hover .work-img {
  opacity: 0.8;
}

.work-item:not(.work-item-group):hover .work-item-company {
  color: var(--red);
}

.work-img {
  aspect-ratio: 4/3;
  background: var(--charcoal-faint);
  transition: opacity 0.2s;
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border: 1px solid var(--charcoal-faint);
}

.work-item-company {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 0.25rem;
  transition: color 0.2s;
}

.work-item-role {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--charcoal-light);
  margin-bottom: 0.85rem;
}

.work-item-desc {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--charcoal-light);
  margin-bottom: 1rem;
}

.work-item-cta {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--charcoal-light);
}

/* ─────────────────────────────
   CASE STUDY
───────────────────────────── */

.case-study {
  max-width: calc(var(--max) + var(--margin) * 2);
  margin: 0 auto;
  padding: 0 var(--margin);
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--charcoal-faint);
}

.hero-label {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--charcoal);
  max-width: 660px;
  margin-bottom: 1.5rem;
}

.hero-lede {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.7;
  color: var(--charcoal-light);
  max-width: 600px;
  margin-bottom: 3rem;
}

/* Meta strip */
.meta-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--charcoal-faint);
}

.meta-label {
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--charcoal-light);
  margin-bottom: 0.4rem;
}

.meta-value {
  font-family: var(--serif);
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--charcoal);
  line-height: 1.45;
}

/* Sections */
.section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--charcoal-faint);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.section-num {
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  flex-shrink: 0;
}

.section h2 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--charcoal);
  line-height: 1.3;
}

.body-text {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--charcoal);
  margin-bottom: 1.25rem;
}

.body-text:last-child { margin-bottom: 0; }

/* Visual placeholder */
.visual-placeholder {
  background: var(--charcoal-faint);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2.5rem;
}

.visual-placeholder span {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--charcoal-light);
}

.visual-placeholder-img {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 2.5rem;
  border: 1px solid var(--charcoal-faint);
}

/* Figure with caption */
.cs-figure {
  margin: 2.5rem 0;
}

.cs-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--charcoal-faint);
}

.cs-caption {
  margin-top: 0.6rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--charcoal-light);
  line-height: 1.5;
}

/* Side-by-side figure pair */
.cs-figure-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2.5rem 0;
}

.cs-figure-pair .cs-figure {
  margin: 0;
}

@media (max-width: 720px) {
  .cs-figure-pair {
    grid-template-columns: 1fr;
  }
}

/* Case nav */
.case-nav {
  display: flex;
  justify-content: space-between;
  padding: 2.5rem 0;
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--charcoal-light);
}

.case-nav a {
  transition: color 0.2s;
}

.case-nav a:hover { color: var(--charcoal); }

/* ─────────────────────────────
   RESPONSIVE
───────────────────────────── */

@media (max-width: 720px) {
  .featured-grid {
    grid-template-columns: 1fr;
  }

  .work-item {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .meta-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}