:root {
  --beige: #eceae5;
  --beige-dim: #dedbd4;
  --black: #0e0e0e;
  --ink-soft: #55534e;
  --ink-faint: #8a8780;
  --line: rgba(14, 14, 14, 0.14);
  --line-light: rgba(236, 234, 229, 0.16);
  --green: #3f7d4f;

  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "Instrument Serif", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: clamp(3rem, 6vw, 5rem);
  --space-9: clamp(4.5rem, 10vw, 8rem);

  --gutter: clamp(1.25rem, 4vw, 3rem);
  --max: 82rem;
  --measure: 38rem;
  --nav-h: 4.5rem;
}

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

::selection {
  background: var(--black);
  color: var(--beige);
}

.is-dark ::selection {
  background: var(--beige);
  color: var(--black);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.35vw + 0.9rem, 1.125rem);
  line-height: 1.6;
  color: var(--black);
  background: var(--beige);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

code {
  font-family: var(--font-mono);
  font-variant-ligatures: none;
  font-size: 0.85em;
  padding: 0.1em 0.35em;
  background: var(--beige-dim);
  border-radius: 3px;
}

.is-dark code {
  background: rgba(236, 234, 229, 0.1);
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -3rem;
  z-index: 200;
  padding: var(--space-2) var(--space-4);
  background: var(--black);
  color: var(--beige);
}

.skip-link:focus {
  top: var(--space-4);
}

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

/* Pixel transition */
.load_grid {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  pointer-events: none;
}

.load_grid-item {
  background: var(--black);
}

/* Layout */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

.section {
  padding-block: var(--space-9);
}

.section + .section:not(.is-dark) {
  border-top: 1px solid var(--line);
}

.is-dark {
  background: var(--black);
  color: var(--beige);
}

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

@media (min-width: 900px) {
  .section-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    align-items: end;
  }
}

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.lede {
  font-size: clamp(1.125rem, 1vw + 0.9rem, 1.375rem);
  line-height: 1.5;
  max-width: var(--measure);
  color: var(--ink-soft);
}

.is-dark .lede,
.is-dark .muted {
  color: var(--ink-faint);
}

.muted {
  color: var(--ink-soft);
}

/* Nav */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  color: var(--black);
  background: rgba(236, 234, 229, 0.82);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav__links {
  display: flex;
  gap: clamp(1rem, 3vw, 2.25rem);
}

.nav__links a {
  position: relative;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s ease;
}

.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hero */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: calc(var(--nav-h) + var(--space-8));
  padding-bottom: var(--space-8);
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.25rem, 8.5vw, 8.5rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin-block: var(--space-5) var(--space-6);
}

.hero__grid {
  display: grid;
  gap: var(--space-7);
  align-items: end;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: var(--space-8);
  }
}

.hero__copy .lede {
  margin-bottom: var(--space-6);
}

.portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  max-width: 18rem;
  width: 100%;
  justify-self: start;
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(160deg, var(--beige-dim), #cfcbc2);
}

.portrait img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  z-index: 1;
}

@media (min-width: 900px) {
  .portrait {
    max-width: 26rem;
    justify-self: end;
  }
}

.portrait__fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: clamp(4rem, 9vw, 7rem);
  color: rgba(14, 14, 14, 0.18);
}

.honors {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: var(--space-8);
}

@media (min-width: 600px) {
  .honors {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.honors li {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 8rem;
  gap: var(--space-3);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--line);
}

@media (min-width: 600px) {
  .honors li:nth-child(odd) {
    padding-right: var(--space-5);
  }

  .honors li:nth-child(even) {
    padding-left: var(--space-5);
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 1000px) {
  .honors {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .honors li {
    grid-column: span 3;
  }

  .honors li:nth-child(5) {
    grid-column: 2 / span 3;
  }

  .honors li:nth-child(6) {
    grid-column: 5 / span 3;
  }

  .honors li:nth-child(7) {
    grid-column: 8 / span 3;
  }

  .honors li:nth-child(odd),
  .honors li:nth-child(even) {
    padding-inline: var(--space-5);
    border-left: 1px solid var(--line);
  }

  .honors li:nth-child(1),
  .honors li:nth-child(5) {
    border-left: 0;
    padding-left: 0;
  }
}

.honors__value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.01em;
}

.honors__label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  max-width: 16rem;
}

.more-link {
  display: flex;
  justify-content: center;
  margin-top: var(--space-7);
}

.hero__title em {
  font-style: italic;
  color: var(--ink-soft);
}

.hero__bottom {
  display: grid;
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--line);
}

@media (min-width: 900px) {
  .hero__bottom {
    grid-template-columns: 2fr 1fr 1fr;
    align-items: start;
  }
}

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.status::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--green);
}

.stack-line {
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* Buttons */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.8rem 1.4rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  transition: background 0.3s ease, color 0.3s ease;
}

.btn:hover {
  background: var(--black);
  color: var(--beige);
  border-color: var(--black);
}

.is-dark .btn:hover {
  background: var(--beige);
  color: var(--black);
  border-color: var(--beige);
}

.btn--solid {
  background: var(--black);
  color: var(--beige);
  border-color: var(--black);
}

.btn--solid:hover {
  background: transparent;
  color: var(--black);
}

.arrow {
  display: inline-block;
  transition: transform 0.3s ease;
}

a:hover .arrow {
  transform: translateX(4px);
}

/* Work list */
.work-list {
  border-top: 1px solid var(--line);
}

.work-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3) var(--space-6);
  padding-block: var(--space-7);
  border-bottom: 1px solid var(--line);
  transition: padding 0.4s ease;
}

@media (min-width: 900px) {
  .work-row {
    grid-template-columns: 4rem 1.2fr 1.6fr 10rem;
    align-items: baseline;
  }

  .work-row:hover {
    padding-inline: var(--space-4);
  }
}

.work-row__num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-faint);
}

.work-row__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.work-row__desc {
  color: var(--ink-soft);
  max-width: 34rem;
}

.work-row__tags {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.8;
  color: var(--ink-faint);
}

@media (min-width: 900px) {
  .work-row__tags {
    text-align: right;
  }
}

/* Principles */
.principles {
  display: grid;
  gap: var(--space-7) var(--space-6);
}

@media (min-width: 700px) {
  .principles {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .principles {
    grid-template-columns: repeat(4, 1fr);
  }
}

.principle {
  padding-top: var(--space-5);
  border-top: 1px solid var(--line-light);
}

.principle .h3 {
  margin-block: var(--space-3) var(--space-3);
}

.principle p {
  color: var(--ink-faint);
  font-size: 0.9375rem;
}

/* Cards */
.cards {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 800px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .cards--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.card p {
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

.card__foot {
  margin-top: auto;
  padding-top: var(--space-4);
}

/* Case study */
.case-hero {
  padding-top: calc(var(--nav-h) + var(--space-9));
  padding-bottom: var(--space-8);
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--beige);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.case-back:hover,
.case-back:focus-visible {
  transform: translateX(-2px);
  border-color: var(--black);
}

.case-back svg {
  width: 1rem;
  height: 1rem;
}

.case-hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.5rem, 10vw, 8.5rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin-block: var(--space-4) var(--space-6);
}

.meta {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--line);
}

@media (min-width: 700px) {
  .meta {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .meta {
    grid-template-columns: repeat(4, 1fr);
  }
}

.meta dt {
  margin-bottom: var(--space-2);
}

.meta dd {
  font-size: 0.9375rem;
  line-height: 1.6;
}

.meta dd a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.chapter {
  display: grid;
  gap: var(--space-5);
  padding-block: var(--space-8);
  border-top: 1px solid var(--line);
}

.is-dark .chapter {
  border-color: var(--line-light);
}

@media (min-width: 900px) {
  .chapter {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: var(--space-7);
  }
}

.chapter__side {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 900px) {
  .chapter__side {
    position: sticky;
    top: calc(var(--nav-h) + var(--space-5));
    align-self: start;
  }
}

.prose {
  max-width: var(--measure);
}

.prose > * + * {
  margin-top: var(--space-4);
}

.prose h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.625rem;
  line-height: 1.2;
  margin-top: var(--space-7);
}

.prose h3:first-child {
  margin-top: 0;
}

.prose ul {
  display: grid;
  gap: var(--space-3);
}

.prose li {
  position: relative;
  padding-left: var(--space-5);
}

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 0.625rem;
  height: 1px;
  background: currentColor;
}

.prose strong {
  font-weight: 500;
}

.prose pre {
  overflow-x: auto;
  padding: var(--space-5);
  background: var(--black);
  color: var(--beige);
  border-radius: 6px;
  font-size: 0.875rem;
  line-height: 1.6;
}

.prose pre code {
  padding: 0;
  background: none;
  font-size: inherit;
}

.pipeline {
  display: grid;
  gap: var(--space-2);
  counter-reset: step;
}

.pipeline li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.9375rem;
}

.pipeline li::before {
  position: static;
  width: auto;
  height: auto;
  background: none;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
  padding-top: 0.2em;
}

.pipeline strong {
  font-weight: 500;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-7) var(--space-5);
}

@media (min-width: 900px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat__label {
  margin-top: var(--space-2);
  font-size: 0.875rem;
  color: var(--ink-faint);
  max-width: 14rem;
}

.incident {
  padding: var(--space-6);
  border-left: 2px solid currentColor;
  background: rgba(14, 14, 14, 0.03);
}

.is-dark .incident {
  background: rgba(236, 234, 229, 0.04);
}

.incident + .incident {
  margin-top: var(--space-5);
}

.incident .label {
  display: block;
  margin-bottom: var(--space-2);
}

.incident h3 {
  margin-top: 0;
  margin-bottom: var(--space-3);
}

.incident p + p {
  margin-top: var(--space-3);
}

.next-case {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  padding-block: var(--space-9);
}

.next-case__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-top: var(--space-4);
}

.next-case .arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}

.next-case:hover .arrow,
.next-case:focus-visible .arrow {
  transform: translateX(0.3rem);
}

/* Timeline */
.timeline {
  border-top: 1px solid var(--line);
}

.timeline__item {
  display: grid;
  gap: var(--space-2) var(--space-6);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--line);
}

@media (min-width: 900px) {
  .timeline__item {
    grid-template-columns: 12rem 1fr 2fr;
  }
}

.timeline__item p {
  color: var(--ink-soft);
}

.skills {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 800px) {
  .skills {
    grid-template-columns: repeat(3, 1fr);
  }
}

.skills h3 {
  margin-bottom: var(--space-3);
}

.skills li {
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--line-light);
  font-size: 0.9375rem;
}

/* Contact */
.contact-big {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.5vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  border-bottom: 1px solid currentColor;
  padding-bottom: var(--space-2);
  word-break: break-word;
  transition: opacity 0.3s ease;
}

.contact-big:hover {
  opacity: 0.6;
}

.link-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.link-list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--line);
  font-size: 1.125rem;
}

.link-list .label {
  font-size: 0.75rem;
}

/* Footer */
.footer {
  padding-block: var(--space-6);
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--ink-faint);
}

.is-dark + .footer,
.footer.is-dark {
  border-color: var(--line-light);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
}

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

.footer.is-dark a:hover {
  color: var(--beige);
}

@media (max-width: 560px) {
  .nav__logo span {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}