/* ---------------------------------------------
   Variables
--------------------------------------------- */
:root {
  --bg: #ffffff;
  --text: #111111;
  --text-muted: #9a9a9a;
  --border: #f2f2f0;
  --max-width: 1200px;
  --text-max-width: 1100px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 300;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

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

ul {
  list-style: none;
}

.wrap {
  max-width: var(--text-max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ---------------------------------------------
   Header (centered, repeats on every page)
--------------------------------------------- */
.site-header {
  text-align: center;
  padding: var(--space-6) var(--space-3) var(--space-5);
}

.site-header .name {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header .tagline {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.site-nav ul {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.site-nav a {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
}

/* ---------------------------------------------
   Fade-in on scroll
--------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------------------------
   Work grid (homepage)
--------------------------------------------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 10px var(--space-6);
}

.work-item {
  display: block;
  position: relative;
}

.work-item .thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--border);
}

.work-item .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.work-item:hover .thumb img {
  transform: scale(1.04);
}

.work-item .caption {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-3);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.work-item:hover .caption {
  opacity: 1;
}

.work-item .caption .title {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
}

.work-item .caption .category {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* ---------------------------------------------
   About page
--------------------------------------------- */
.about-main {
  padding-bottom: var(--space-6);
}

.about-hero {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.about-photo {
  flex: 0 0 100px;
  width: 100px;
  height: 100px;
  overflow: hidden;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-intro {
  flex: 1;
}

.about-intro .eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.about-intro p {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.5;
}

.about-intro p + p {
  margin-top: 0.6rem;
}

.meta-columns {
  max-width: var(--text-max-width);
  margin: 0 auto;
  padding: var(--space-5) var(--space-3) 0;
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  border-top: 1px solid var(--border);
}

.meta-col h3 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.meta-col .rule {
  width: 28px;
  height: 2px;
  background: var(--text);
  margin: 0.8rem 0 1rem;
}

.meta-col ul li {
  font-size: 0.8rem;
  font-weight: 400;
}

.meta-col ul li + li {
  margin-top: 0.4rem;
}

.meta-col ul a {
  transition: color 0.2s ease;
}

.meta-col ul a:hover {
  color: var(--text-muted);
}

/* ---------------------------------------------
   Footer
--------------------------------------------- */
.site-footer {
  text-align: center;
  padding: var(--space-5) var(--space-3) var(--space-4);
}

.site-footer .footer-line {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.site-footer .footer-line + .footer-line {
  margin-top: 0.6rem;
}

.site-footer a:hover {
  color: var(--text);
}

/* ---------------------------------------------
   Case study pages
--------------------------------------------- */
.case-intro {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3) var(--space-4);
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: var(--space-4);
}

.case-intro .case-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  line-height: 1.2;
}

.case-intro .case-subtitle {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.4;
}

.case-description p {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.55;
}

.case-description p + p {
  margin-top: 0.85rem;
}

.case-facts h4 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.case-facts h4:not(:first-child) {
  margin-top: 1.1rem;
}

.case-facts p {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1.4;
  text-transform: uppercase;
}

.case-divider {
  max-width: var(--max-width);
  margin: 0 auto;
  border: none;
  border-top: 1px solid var(--border);
}

.case-gallery {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-5) 10px var(--space-6);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.case-gallery img {
  width: 100%;
  object-fit: cover;
  display: block;
  background: var(--border);
}

.case-gallery .span-2 {
  grid-column: span 2;
}

.case-pagination {
  max-width: var(--text-max-width);
  margin: 0 auto;
  padding: 0 var(--space-3) var(--space-6);
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: var(--space-4);
}

.case-pagination a {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.case-pagination a:hover {
  color: var(--text);
}

/* ---------------------------------------------
   Responsive
--------------------------------------------- */
@media (max-width: 900px) {
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-intro {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .case-facts {
    display: flex;
    gap: var(--space-5);
  }

  .case-facts h4:not(:first-child) {
    margin-top: 0;
  }
}

@media (max-width: 600px) {
  .work-grid {
    grid-template-columns: 1fr;
  }

  .meta-columns {
    flex-direction: column;
    gap: var(--space-4);
  }

  .about-hero {
    flex-direction: column;
  }

  .about-photo {
    align-self: center;
  }

  .case-facts {
    flex-direction: column;
    gap: 0;
  }

  .case-facts h4:not(:first-child) {
    margin-top: var(--space-3);
  }

  .case-gallery {
    grid-template-columns: 1fr;
  }

  .case-gallery .span-2 {
    grid-column: span 1;
  }

  .site-nav ul {
    gap: var(--space-3);
  }

  section, .case-intro {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
}