:root {
  --paper: #f4f3ee;
  --ink: #11110f;
  --muted: #6a6963;
  --line: #c9c7bf;
  --accent: #ff4d00;
  --max: 1440px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { text-decoration-color: var(--accent); }
img { max-width: 100%; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: 0.65rem 0.85rem;
  color: var(--paper);
  background: var(--ink);
}

.skip-link:focus { top: 1rem; }

.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  border-bottom: 1px solid var(--ink);
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 74px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  color: var(--paper);
  background: var(--ink);
  font-size: 0.71rem;
  letter-spacing: -0.04em;
}

.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.7vw, 2.8rem); }
.nav-links a { font-size: 0.78rem; font-weight: 600; text-decoration: none; text-transform: uppercase; letter-spacing: 0.09em; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--accent); }

.menu-button {
  display: none;
  border: 0;
  padding: 0.6rem;
  color: var(--ink);
  background: transparent;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.eyebrow,
.section-index,
.meta,
.status,
.field-label {
  margin: 0;
  font-size: 0.74rem;
  font-weight: 650;
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: 0.105em;
}

.hero {
  min-height: calc(100svh - 75px);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto 1fr auto;
  column-gap: 1.25rem;
  padding-block: clamp(2rem, 4vw, 4.5rem) 1.5rem;
}

.hero .eyebrow { grid-column: 1 / 6; align-self: start; }
.hero h1 {
  grid-column: 1 / -1;
  align-self: center;
  margin: 0;
  font-size: clamp(4rem, 13vw, 12.5rem);
  font-weight: 650;
  line-height: 0.76;
  letter-spacing: -0.075em;
  text-transform: uppercase;
}

.hero h1 span { display: block; }
.hero h1 span:last-child { margin-left: 16.7%; }

.hero-intro {
  grid-column: 8 / -1;
  align-self: end;
  margin: 0;
  max-width: 40ch;
  font-size: clamp(1rem, 1.5vw, 1.28rem);
  line-height: 1.38;
}

.hero-foot {
  grid-column: 1 / 6;
  align-self: end;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.arrow {
  display: inline-grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid var(--ink);
  border-radius: 50%;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.arrow:hover { color: var(--paper); background: var(--ink); transform: translateY(3px); }

.rule-section { border-top: 1px solid var(--ink); }

.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1.25rem;
  align-items: end;
  padding-block: clamp(2rem, 4vw, 4rem) clamp(1.7rem, 3vw, 3rem);
}

.section-head h2 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 5rem);
  font-weight: 550;
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.projects { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ink); }

.project-card {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
}

.project-card:first-child { border-right: 1px solid var(--ink); }

.project-visual {
  position: relative;
  min-height: 48vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--ink);
  background:
    linear-gradient(90deg, transparent calc(50% - 0.5px), var(--line) 50%, transparent calc(50% + 0.5px)),
    linear-gradient(transparent calc(50% - 0.5px), var(--line) 50%, transparent calc(50% + 0.5px));
}

.project-visual::after {
  content: "";
  position: absolute;
  width: min(52%, 250px);
  aspect-ratio: 1;
  border: 1px solid var(--ink);
  border-radius: 50%;
  transition: transform 350ms cubic-bezier(.2,.8,.2,1), background 350ms ease;
}

.project-card:nth-child(2) .project-visual::after { border-radius: 0; transform: rotate(45deg) scale(0.72); }
.project-card:hover .project-visual::after { transform: scale(1.08); background: var(--accent); }
.project-card:nth-child(2):hover .project-visual::after { transform: rotate(45deg) scale(0.84); }

.project-number {
  position: relative;
  z-index: 2;
  font-size: clamp(5rem, 13vw, 11rem);
  font-weight: 650;
  line-height: 1;
  letter-spacing: -0.08em;
}

.project-body { display: grid; grid-template-columns: 1fr auto; gap: 2rem; padding: 1.35rem; }
.project-body h3 { margin: 0.4rem 0 0; font-size: clamp(1.45rem, 2.4vw, 2.35rem); font-weight: 550; line-height: 1.05; letter-spacing: -0.045em; }
.project-arrow { align-self: end; font-size: 1.5rem; transition: transform 180ms ease; }
.project-card:hover .project-arrow { transform: translate(4px, -4px); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1.25rem;
  padding-bottom: clamp(4rem, 9vw, 9rem);
}

.bio {
  grid-column: 2;
  margin: 0;
  max-width: 43ch;
  font-size: clamp(1.55rem, 3vw, 3.2rem);
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.details {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.detail h3 { margin: 0 0 0.7rem; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.105em; }
.detail p { margin: 0; color: var(--muted); }

.resume-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1.25rem;
  align-items: start;
  padding-block: clamp(2rem, 4vw, 4rem) clamp(4rem, 8vw, 8rem);
}

.resume-cta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--ink);
  text-decoration: none;
}

.resume-cta strong { font-size: clamp(2rem, 5vw, 5.6rem); font-weight: 550; line-height: 0.95; letter-spacing: -0.055em; }
.resume-cta span { font-size: clamp(1.5rem, 3vw, 3rem); }
.resume-cta:hover { color: var(--accent); border-color: var(--accent); }

.site-footer { color: var(--paper); background: var(--ink); }
.footer-grid {
  min-height: 52vh;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1.25rem;
  align-items: end;
  padding-block: clamp(3rem, 6vw, 6rem) 2rem;
}

.footer-main { grid-column: 2; }
.footer-main h2 { margin: 0 0 2rem; max-width: 8ch; font-size: clamp(3rem, 7vw, 7.5rem); font-weight: 550; line-height: 0.9; letter-spacing: -0.06em; }
.footer-main a { font-size: clamp(1rem, 2vw, 1.5rem); }
.footer-meta { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 2rem; padding-top: 3rem; color: #a7a59d; }

/* Project case study */
.case-hero {
  min-height: 76vh;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 1.25rem;
  align-content: space-between;
  padding-block: clamp(2.2rem, 5vw, 5rem) 1.5rem;
}

.case-hero .eyebrow { grid-column: 1 / 4; }
.case-hero h1 { grid-column: 1 / 11; margin: clamp(4rem, 10vw, 9rem) 0 0; font-size: clamp(3.5rem, 9vw, 9rem); font-weight: 600; line-height: 0.85; letter-spacing: -0.065em; }
.case-summary { grid-column: 8 / -1; margin: 4rem 0 0; font-size: clamp(1.15rem, 2vw, 1.65rem); line-height: 1.35; }
.case-meta { grid-column: 1 / 7; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 6rem; }
.case-meta div { padding-top: 0.8rem; border-top: 1px solid var(--ink); }
.case-meta dt { margin-bottom: 0.35rem; font-size: 0.72rem; font-weight: 650; text-transform: uppercase; letter-spacing: 0.1em; }
.case-meta dd { margin: 0; color: var(--muted); }

.image-field {
  min-height: min(78vw, 920px);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: 1fr auto;
  column-gap: 1.25rem;
  margin-inline: auto;
  padding: 1.25rem;
  border: 1px solid var(--ink);
  background:
    linear-gradient(90deg, transparent calc(50% - .5px), var(--line) 50%, transparent calc(50% + .5px)),
    linear-gradient(transparent calc(50% - .5px), var(--line) 50%, transparent calc(50% + .5px));
}

.image-field .field-label { grid-column: 1 / 5; align-self: end; }
.image-field .field-note { grid-column: 9 / -1; align-self: end; margin: 0; color: var(--muted); font-size: 0.85rem; }

.case-section { display: grid; grid-template-columns: 1fr 2fr; gap: 1.25rem; padding-block: clamp(4rem, 9vw, 9rem); border-top: 1px solid var(--ink); }
.case-section h2 { margin: 0; font-size: clamp(2.2rem, 5vw, 5.4rem); font-weight: 550; line-height: 0.92; letter-spacing: -0.055em; }
.case-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.case-copy p { margin: 0; max-width: 46ch; font-size: clamp(1rem, 1.5vw, 1.2rem); }

.process-list { grid-column: 2; list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.process-list li { display: grid; grid-template-columns: 70px 1fr; gap: 1rem; padding-block: 1rem; border-bottom: 1px solid var(--line); }
.process-list strong { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.1em; }
.process-list span { color: var(--muted); }

.next-project { display: block; padding-block: clamp(3rem, 8vw, 8rem); border-top: 1px solid var(--ink); text-decoration: none; }
.next-project .meta { margin-bottom: 1rem; }
.next-project strong { display: flex; justify-content: space-between; gap: 2rem; font-size: clamp(2.4rem, 7vw, 7rem); font-weight: 550; line-height: 0.95; letter-spacing: -0.055em; }
.next-project:hover { color: var(--accent); }

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 64px; }
  .menu-button { display: block; }
  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: 64px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0 14px 14px;
    background: var(--paper);
    border-bottom: 1px solid var(--ink);
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 1rem 0; border-top: 1px solid var(--line); }
  .hero { min-height: calc(100svh - 64px); grid-template-rows: auto 1fr auto auto; column-gap: 0; }
  .hero .eyebrow { grid-column: 1 / -1; }
  .hero h1 { grid-column: 1 / -1; font-size: clamp(3.7rem, 20vw, 8rem); line-height: 0.8; }
  .hero h1 span:last-child { margin-left: 0; }
  .hero-intro { grid-column: 1 / -1; grid-row: 3; max-width: 34ch; }
  .hero-foot { grid-column: 1 / -1; grid-row: 4; margin-top: 2rem; }
  .section-head, .about-grid, .resume-row, .footer-grid, .case-section { grid-template-columns: 1fr; }
  .section-head h2, .bio, .details, .resume-cta, .footer-main, .process-list { grid-column: 1; }
  .projects { grid-template-columns: 1fr; }
  .project-card:first-child { border-right: 0; }
  .project-card { min-height: auto; }
  .project-visual { min-height: 54vh; }
  .details { grid-template-columns: 1fr; gap: 1.8rem; }
  .resume-cta { margin-top: 2rem; }
  .footer-grid { min-height: 62vh; }
  .footer-main { align-self: end; }
  .case-hero { min-height: 74vh; grid-template-columns: 1fr; }
  .case-hero .eyebrow, .case-hero h1, .case-summary, .case-meta { grid-column: 1; }
  .case-hero h1 { margin-top: 5rem; }
  .case-summary { margin-top: 2rem; }
  .case-meta { grid-template-columns: 1fr; margin-top: 4rem; }
  .image-field { min-height: 74vh; grid-template-columns: 1fr; }
  .image-field .field-label, .image-field .field-note { grid-column: 1; }
  .image-field .field-note { margin-top: 1rem; }
  .case-copy { grid-template-columns: 1fr; gap: 1.5rem; }
  .next-project strong { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}