/* ================================
   FRAGMENT SANS
   ================================ */
@font-face {
  font-family: 'FragmentSans';
  src: url('../fonts/FragmentSans-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'FragmentSans';
  src: url('../fonts/FragmentSans-Italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'FragmentSans';
  src: url('../fonts/FragmentSans-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ================================
   CUSTOM PROPERTIES
   ================================ */
:root {
  --bg: #ffffff;
  --fg: #000000;
  --muted: #999999;
  --dim: #e0e0e0;
  --font: 'FragmentSans', system-ui, sans-serif;

  --text-label: 10px;
  --text-sm:    13px;
  --text-body:  15px;
  --text-md:    18px;
  --text-lg:    clamp(32px, 4vw, 48px);
  --text-hero:  clamp(72px, 10vw, 140px);

  --header-height: 56px;
  --pad-h: 48px;
}

/* ================================
   KEYFRAMES
   ================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

html {
  scroll-behavior: smooth;
}

/* ================================
   BODY & GLOBAL
   ================================ */
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
  height: auto;   /* intrinsic width/height attrs are set for CLS; never let them fix the rendered height */
}

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

ul, ol {
  list-style: none;
}

/* ================================
   MAIN — PAGE FADE IN
   ================================ */
main {
  animation: fadeIn 400ms ease forwards;
}

/* ================================
   HEADER / NAV
   ================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--fg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad-h);
  height: var(--header-height);
}

.site-name {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a {
  font-size: var(--text-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--fg);
  transition: width 200ms ease;
}

.site-nav a:hover::after {
  width: 100%;
}

/* ================================
   HOME: HERO
   ================================ */
.hero {
  height: calc(100vh - var(--header-height));
  min-height: 480px;
  display: grid;
  align-content: end;
  padding: var(--pad-h);
}

.hero-heading {
  font-size: var(--text-hero);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.hero-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 28px;
}

.hero-location,
.hero-scroll {
  font-size: var(--text-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ================================
   HOME: SECTION LABEL
   ================================ */
.section-label {
  font-size: var(--text-label);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

.section-label--work {
  padding: 80px var(--pad-h) 32px;
}

/* ================================
   HOME: PROJECT GRID
   ================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--fg);
}

.project-card {
  display: block;
  background: var(--bg);
  cursor: pointer;
  opacity: 0;
  animation: slideUp 600ms ease forwards;
  animation-fill-mode: forwards;
}

.project-card:nth-child(1) { animation-delay: 80ms; }
.project-card:nth-child(2) { animation-delay: 160ms; }
.project-card:nth-child(3) { animation-delay: 240ms; }
.project-card:nth-child(4) { animation-delay: 320ms; }
.project-card:nth-child(5) { animation-delay: 400ms; }
.project-card:nth-child(6) { animation-delay: 480ms; }
.project-card:nth-child(7) { animation-delay: 560ms; }

.project-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.project-card:hover .project-card-image img {
  transform: scale(1.04);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity 200ms ease;
}

.project-card:hover .project-card-overlay {
  opacity: 1;
}

.project-card-overlay-title {
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.project-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px var(--pad-h) 28px;
}

.project-card-title {
  font-size: var(--text-sm);
  font-weight: 500;
}

.project-card-year {
  font-size: var(--text-sm);
  color: var(--muted);
}

/* ================================
   TYPOGRAPHIC COVER (projects with no photography, e.g. Hyperlocal)
   Black cell in the home grid — wordmark bottom-left, echoes the hero.
   ================================ */
.project-card-cover--type {
  aspect-ratio: 16 / 9;
  background: var(--fg);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.project-card-cover--type .cover-mark {
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.project-card-cover--type .cover-tag {
  font-size: var(--text-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #666;
  margin-top: 12px;
}

.project-card:hover .project-card-cover--type .cover-tag {
  color: #fff;
  transition: color 200ms ease;
}

/* ================================
   TYPOGRAPHIC CASE-STUDY HERO (full-bleed black band)
   ================================ */
.work-hero--type {
  background: var(--fg);
  color: #fff;
  padding: 120px var(--pad-h);
}

.work-hero--type .hero-line {
  font-size: clamp(40px, 6vw, 96px);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.work-hero--type .hero-line em {
  font-style: italic;
  font-weight: 400;
}

.work-hero--type .hero-sub {
  font-size: var(--text-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #666;
  margin-top: 32px;
}

/* External link row inside case-study body */
.work-links {
  display: flex;
  gap: 32px;
  margin-top: 40px;
}

.work-links a {
  font-size: var(--text-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--fg);
  padding-bottom: 2px;
  transition: opacity 200ms ease;
}

.work-links a:hover {
  opacity: 0.5;
}

/* ================================
   HOME: FOOTER
   ================================ */
.site-footer {
  padding: 80px var(--pad-h);
  background: var(--bg);
}

.footer-tagline {
  font-size: var(--text-body);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.footer-email {
  font-size: var(--text-label);
  color: var(--muted);
  letter-spacing: 0.08em;
}

/* ================================
   ABOUT
   ================================ */
.about-hero {
  padding: 160px var(--pad-h) 80px;
}

.about-heading {
  font-size: var(--text-hero);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.about-layout {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 64px;
  padding: 0 var(--pad-h) 80px;
  align-items: start;
}

.about-portrait {
  width: 100%;
  display: block;
  border-radius: 0;
}

.about-bio {
  font-size: var(--text-body);
  line-height: 1.8;
  margin-bottom: 48px;
}

.about-section {
  border-top: 1px solid var(--fg);
  padding: 20px 0;
}

.about-section:last-child {
  border-bottom: 1px solid var(--fg);
}

.about-section__label {
  font-size: var(--text-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.about-section__content {
  font-size: var(--text-sm);
  line-height: 1.7;
}

.about-resume-bar {
  background: var(--fg);
  padding: 48px var(--pad-h);
}

.about-resume-bar a {
  color: #fff;
  font-size: var(--text-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ================================
   WORK CASE STUDY
   ================================ */
.work-page-header {
  padding: 160px var(--pad-h) 48px;
}

.work-page-title {
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.02em;
}

.work-page-meta {
  font-size: var(--text-label);
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 16px;
}

.work-hero {
  width: 100%;
  max-height: 80vh;
  object-fit: cover;
  display: block;
}

.credits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 32px var(--pad-h);
  border-top: 1px solid var(--fg);
  border-bottom: 1px solid var(--fg);
}

.credits-label {
  font-size: var(--text-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.credits-value {
  font-size: var(--text-sm);
  line-height: 1.5;
}

.work-body {
  padding: 80px var(--pad-h);
  max-width: 776px;
}

.work-body p {
  font-size: var(--text-body);
  line-height: 1.8;
  margin-bottom: 24px;
}

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

.work-body h3 {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 48px;
  margin-bottom: 12px;
}

.work-body blockquote {
  font-style: italic;
  font-size: var(--text-md);
  line-height: 1.6;
  border-left: 2px solid var(--fg);
  padding-left: 24px;
  margin: 40px 0;
  color: var(--muted);
}

.work-body ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 24px;
}

.work-body li {
  font-size: var(--text-body);
  line-height: 1.8;
  margin-bottom: 6px;
}

/* Gallery */
.gallery-full {
  width: 100%;
  max-height: 90vh;
  object-fit: cover;
  display: block;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--fg);
}

.gallery-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

/* Work nav — prev/next */
.work-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--fg);
  padding: 32px var(--pad-h);
}

.work-nav a {
  font-size: var(--text-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  transition: opacity 200ms ease;
}

.work-nav a:hover {
  opacity: 0.5;
}

/* ================================
   REDUCED MOTION
   ================================ */
@media (prefers-reduced-motion: reduce) {
  main,
  .project-card {
    animation: none;
    opacity: 1;
  }
  .project-card-image img {
    transition: none;
  }
}

/* ================================
   MOBILE
   ================================ */
@media (max-width: 768px) {
  :root {
    --header-height: 48px;
    --pad-h: 24px;
  }

  .hero {
    min-height: 420px;
  }

  .hero-heading {
    font-size: clamp(52px, 14vw, 90px);
  }

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

  .work-hero--type {
    padding: 72px var(--pad-h);
  }

  .about-hero {
    padding: 100px var(--pad-h) 60px;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 0 var(--pad-h) 60px;
  }

  .about-portrait {
    max-width: 280px;
  }

  .about-resume-bar {
    padding: 32px var(--pad-h);
  }

  .work-page-header {
    padding: 100px var(--pad-h) 40px;
  }

  .credits {
    grid-template-columns: repeat(2, 1fr);
    padding: 24px var(--pad-h);
    gap: 20px;
  }

  .work-body {
    padding: 48px var(--pad-h);
  }

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

  .work-nav {
    padding: 24px var(--pad-h);
  }

  .site-nav {
    gap: 20px;
  }
}