/* ==========================================================================
   Galina Korshunova — Brand Designer & Art Director
   Monochrome editorial system — white ground, near-black type, no accent.
   ========================================================================== */

:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #8a8a8a;
  --rule: #e6e6e6;

  --gutter: clamp(20px, 3.5vw, 56px);
  --page-max: 1800px;

  --block: clamp(72px, 10vw, 160px);   /* space between major blocks */
  --ease: cubic-bezier(.2, .6, .2, 1);

  --font: 'Archivo', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

::selection { background: var(--fg); color: var(--bg); }

.wrap {
  max-width: var(--page-max);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --------------------------------------------------------------- type --- */

.meta {
  font-size: 12px;
  line-height: 1.3;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.display {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  line-height: .95;
  letter-spacing: -.04em;
  text-transform: uppercase;
  font-weight: 400;
}

.lead {
  margin: 0;
  font-size: clamp(1.25rem, 2.2vw, 2rem);
  line-height: 1.28;
  letter-spacing: -.02em;
}

.body-lg { font-size: clamp(1rem, 1.3vw, 1.25rem); line-height: 1.5; }

.measure { max-width: 46ch; }
.measure-wide { max-width: 62ch; }

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

.rule { border: 0; border-top: 1px solid var(--rule); margin: 0; }

/* ---------------------------------------------------------------- nav --- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  padding: 22px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__logo {
  display: block;
  font-size: 14px;
  letter-spacing: -.01em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav__links {
  display: flex;
  flex: 1;
  justify-content: space-between;
  max-width: 62%;
  margin-left: auto;
}

.nav__links a {
  font-size: 13px;
  letter-spacing: -.01em;
  text-transform: uppercase;
  transition: color .25s var(--ease);
}

.nav__links a:hover,
.nav__links a[aria-current='page'] { color: var(--muted); }

.nav__toggle {
  display: none;
  background: none; border: 0; padding: 0;
  font: inherit; font-size: 16px; letter-spacing: -.01em;
  text-transform: uppercase; color: inherit; cursor: pointer;
}

.nav__overlay {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: var(--gutter);
}

.nav__overlay a {
  font-size: clamp(2rem, 11vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -.04em;
  text-transform: uppercase;
}

body.nav-open .nav__overlay { display: flex; }
body.nav-open { overflow: hidden; }

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; }
}

/* --------------------------------------------------------------- hero --- */

.hero {
  padding-top: clamp(48px, 9vw, 130px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.hero__lead { margin-top: clamp(20px, 3vw, 34px); }

/* --------------------------------------------------------- work grid --- */

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: var(--gutter);
  row-gap: clamp(56px, 8vw, 120px);
  padding-bottom: var(--block);
}

/* stagger: push the right-hand column down, as on the reference */
.grid > :nth-child(even) { margin-top: clamp(40px, 9vw, 150px); }

.tile { display: block; }

.tile__frame {
  display: block;
  overflow: hidden;
  background: #f4f4f4;
  aspect-ratio: 1 / 1;
}

.tile__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}

.tile:hover .tile__frame img { transform: scale(1.025); }

.tile__caption {
  display: block;
  margin-top: 14px;
  transition: color .25s var(--ease);
}

.tile:hover .tile__caption { color: var(--muted); }

@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; row-gap: 48px; }
  .grid > :nth-child(even) { margin-top: 0; }
}

/* ------------------------------------------------------ project pages --- */

.project-head {
  padding-top: clamp(40px, 7vw, 96px);
  padding-bottom: clamp(28px, 4vw, 56px);
}

.project-head__meta { margin-top: 16px; }

.project-copy { padding-bottom: clamp(32px, 5vw, 64px); }
.project-copy .lead + .body-lg { margin-top: 1.5em; }
.project-copy .body-lg + .body-lg { margin-top: 1em; }

.figures {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 64px);
  padding-bottom: var(--block);
}

.figures img { width: 100%; display: block; background: #f4f4f4; }

.figure--right,
.figure--left {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gutter);
}

.figure--right img { grid-column: 2; }
.figure--left img { grid-column: 1; }

.figure--pair {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gutter);
}

@media (max-width: 720px) {
  .figure--right, .figure--left { grid-template-columns: 1fr; }
  .figure--right img, .figure--left img { grid-column: 1; }
  .figure--pair { grid-template-columns: 1fr; }
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 clamp(56px, 8vw, 110px);
  border-top: 1px solid var(--rule);
}

.pager a { transition: color .25s var(--ease); }
.pager a:hover { color: var(--muted); }

/* -------------------------------------------------------- list blocks --- */

.list { padding-bottom: var(--block); }

.list__item {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--gutter);
  align-items: start;
  padding: clamp(20px, 2.6vw, 34px) 0;
  border-top: 1px solid var(--rule);
}

.list__item:last-child { border-bottom: 1px solid var(--rule); }

.list__num { color: var(--muted); padding-top: .45em; }

.list__title {
  margin: 0;
  font-weight: 400;
  font-size: clamp(1.35rem, 3.2vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -.03em;
  text-transform: uppercase;
}

/* process steps carry a description column alongside the title */
.step {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--gutter);
  padding: clamp(24px, 3.4vw, 48px) 0;
  border-top: 1px solid var(--rule);
}

.step:last-of-type { border-bottom: 1px solid var(--rule); }

.step__body p { margin: 0; }
.step__outcome { margin-top: 1.5em; color: var(--muted); }

@media (max-width: 860px) {
  .step { grid-template-columns: 2.5rem 1fr; }
  .step__body { grid-column: 2; }
  .list__item { grid-template-columns: 2.5rem 1fr; }
}

/* ------------------------------------------------------------- about --- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--gutter);
  align-items: start;
  padding-bottom: var(--block);
}

.split--portrait { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }

.split img { filter: grayscale(1); }

@media (max-width: 860px) {
  .split, .split--portrait { grid-template-columns: 1fr; gap: 32px; }
}

/* ---------------------------------------------------------- statement --- */

.statement {
  padding: clamp(56px, 8vw, 120px) 0;
  border-top: 1px solid var(--rule);
}

.statement__text {
  margin: 0;
  font-size: clamp(1.75rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -.04em;
  text-transform: uppercase;
  font-weight: 400;
}

/* ------------------------------------------------------- capabilities --- */

.capabilities {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: var(--gutter);
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.capabilities__item {
  padding: clamp(14px, 1.8vw, 22px) 0;
  border-top: 1px solid var(--rule);
  font-size: clamp(1.05rem, 1.8vw, 1.4rem);
  letter-spacing: -.01em;
}

.capabilities__item:nth-last-child(2),
.capabilities__item:last-child { border-bottom: 1px solid var(--rule); }

@media (max-width: 720px) {
  .capabilities { grid-template-columns: 1fr; }
  .capabilities__item:nth-last-child(2) { border-bottom: 0; }
}

/* ------------------------------------------------------------ marquee --- */

.marquee-section {
  overflow: hidden;
  padding: clamp(40px, 7vw, 90px) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.marquee { overflow: hidden; }

.marquee__track {
  display: flex;
  align-items: baseline;
  gap: clamp(28px, 4vw, 56px);
  width: max-content;
  white-space: nowrap;
  font-size: clamp(2.75rem, 8.5vw, 6.5rem);
  line-height: 1;
  letter-spacing: -.03em;
  text-transform: uppercase;
  will-change: transform;
}

.marquee__dot { color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  .marquee__track { transform: none !important; }
}

/* ----------------------------------------------------------------- cta --- */

.cta {
  padding: clamp(56px, 8vw, 120px) 0;
  border-top: 1px solid var(--rule);
}

.cta__email {
  display: inline-block;
  margin-top: clamp(28px, 5vw, 56px);
  font-size: clamp(1.5rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.03em;
  transition: color .25s var(--ease);
}

.cta__email:hover { color: var(--muted); }

/* ------------------------------------------------------------ contact --- */

.contact-list { padding-bottom: var(--block); }

.contact-list__row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: var(--gutter);
  align-items: baseline;
  padding: clamp(18px, 2.2vw, 28px) 0;
  border-top: 1px solid var(--rule);
}

.contact-list__row:last-child { border-bottom: 1px solid var(--rule); }

.contact-list__value {
  font-size: clamp(1.25rem, 3.2vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -.03em;
  transition: color .25s var(--ease);
}

a.contact-list__value:hover { color: var(--muted); }

@media (max-width: 720px) {
  .contact-list__row { grid-template-columns: 1fr; gap: 10px; }
}

/* ----------------------------------------------------------- footer --- */

main { flex: 1 0 auto; }   /* keeps the footer at the bottom on short pages */

.footer {
  flex-shrink: 0;
  border-top: 1px solid var(--rule);
  padding: 28px var(--gutter) 40px;
}

.footer__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 32px;
}

.footer a { transition: color .25s var(--ease); }
.footer a:hover { color: var(--muted); }

/* --------------------------------------------------------- animation --- */

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.js .reveal.is-in { opacity: 1; transform: none; }

/* images fade in from further below for a more pronounced entrance */
.js .reveal--img {
  transform: translateY(56px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.js .reveal--img.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}