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

:root {
  --serif-display: 'Diptyque', 'Playfair Display', Georgia, serif;
  --bg:        #f5f5f5;
  --black:     #000000;
  --white:     #ffffff;
  --mid-gray:  #e0e0e0;

  --sans:   'Helvetica Neue', Helvetica, Arial, sans-serif;
  --serif:  'Diptyque', 'Playfair Display', Georgia, 'Times New Roman', serif;

  --nav-size:        16px;
  --manifesto-size:  clamp(20px, 2.91vw, 41.89px);
  --hero-size:       clamp(38px, 7.62vw, 109.67px);
  --caps-size:       clamp(14px, 1.8vw,  25.89px);
  --footer-size:     clamp(26px, 4.71vw, 67.78px);

  --track-tight: -0.05em;

  --page:    1440px;
  --pad:     24px;
  --col-l:   max(24px, calc(29.17% - 42px));
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--black);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img  { display: block; max-width: 100%; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  height: 78px;
  transition: background 0.25s, border-color 0.25s;
}
.nav__left,
.nav__right {
  font-family: var(--sans);
  font-weight: 700;
  font-size: var(--nav-size);
  letter-spacing: 0.05em;
  color: var(--white);
  white-space: nowrap;
  transition: color 0.25s;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}
.nav__logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.nav__logo img {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter 0.25s;
}
.nav--scrolled {
  background: var(--bg);
  border-bottom: 1px solid rgba(0,0,0,0.1);
}
.nav--scrolled .nav__left,
.nav--scrolled .nav__right { color: var(--black); }
.nav--scrolled .nav__logo img { filter: brightness(0); }

.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.08) 0%,
    rgba(0,0,0,0.30) 55%,
    rgba(0,0,0,0.65) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  padding: 0 var(--pad) 20px;
}
.hero__wordmark {
  width: clamp(280px, 100vw, 1980px);
}
.hero__wordmark img {
  width: 100%;
  height: auto;
}
.hero__categories {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--pad) 40px;
}
.hero__categories span {
  font-family: var(--sans);
  font-weight: 500;
  font-size: var(--nav-size);
  letter-spacing: 0.06em;
  color: var(--white);
}

.manifesto-label {
  padding: 24px var(--pad) 0;
  text-align: center;
}
.manifesto-label p {
  font-family: var(--sans);
  font-weight: 500;
  font-size: var(--nav-size);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--black);
}

.manifesto {
  padding: 72px var(--pad) 96px;
}
.manifesto__body {
  max-width: 684px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5em;
}
.manifesto__body p {
  font-family: var(--serif);
  font-size: var(--manifesto-size);
  line-height: 1.25;
  color: var(--black);
}

.competencies {
  background: var(--mid-gray);
  padding: 72px var(--pad) 96px;
}
.competencies__inner {
  display: grid;
  grid-template-columns: 26.25% 1fr;
  gap: 0 24px;
  max-width: var(--page);
  margin: 0 auto;
}
.competencies__inner > .section-label {
  grid-column: 1 / 2;
  padding-top: 6px;
}
.competencies__lines {
  grid-column: 2 / 3;
}
.competencies__lines p {
  font-family: var(--sans);
  font-weight: 500;
  font-size: var(--hero-size);
  letter-spacing: var(--track-tight);
  color: var(--black);
  line-height: 1.08;
}

.section-label {
  font-family: var(--sans);
  font-weight: 700;
  font-size: var(--nav-size);
  letter-spacing: 0.05em;
  color: var(--black);
  text-transform: uppercase;
}

.capabilities {
  background: var(--mid-gray);
  padding: 72px var(--pad) 72px;
  max-width: 100%;
}
.capabilities__inner {
  display: grid;
  grid-template-columns: 26.25% 24.58vw 1fr;
  gap: 0 24px;
  max-width: var(--page);
  margin: 0 auto;
}
.capabilities__inner > .section-label {
  grid-column: 2 / 3;
  padding-top: 6px;
}
.capabilities__list {
  grid-column: 3 / 4;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 0;
}
.capabilities__list li {
  font-family: var(--serif);
  font-size: var(--caps-size);
  line-height: 1.45;
  color: var(--black);
}

.projects {
  padding: 72px var(--pad) 32px;
  max-width: var(--page);
  margin: 0 auto;
}
.projects > .section-label {
  margin-bottom: 0;
  padding-left: calc(25% + 42px);
}

.project-card__link {
  display: contents;
  color: inherit;
  text-decoration: none;
}

.project-card {
  display: grid;
  grid-template-columns: minmax(0, calc(25% + 18px)) minmax(0, 1fr);
  padding: 32px 0 40px;
  gap: 0 24px;
  align-items: end;
}
.project-card__meta {
  grid-column: 1 / 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  padding-bottom: 4px;
}
.project-card__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--manifesto-size);
  line-height: 1.08;
  color: var(--black);
}
.project-card__desc {
  font-family: var(--serif);
  font-size: var(--nav-size);
  line-height: 1.4;
  color: var(--black);
}
.project-card__image {
  grid-column: 2 / 3;
  grid-row: 1;
  width: 100%;
  aspect-ratio: 986 / 465;
  overflow: hidden;
  background: var(--black);
  border: 10px solid var(--black);
  border-radius: 4px;
}
.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.project-card__image--blank {
  background: var(--white);
  border: 1px solid var(--mid-gray);
}

.projects__more {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 48px 0 80px;
  padding-left: calc(25% + 42px);
}
.projects__more-link {
  font-family: var(--sans);
  font-weight: 500;
  font-size: var(--nav-size);
  letter-spacing: 0.05em;
  color: var(--black);
  white-space: nowrap;
}
.projects__more-rule {
  display: block;
  width: 138px;
  height: 1px;
  background: var(--black);
  flex-shrink: 0;
}

.footer {
  background: var(--black);
  padding: 100px var(--pad) 72px;
}
.footer__inner {
  max-width: var(--page);
  margin: 0 auto;
}
.footer__tagline {
  font-family: var(--serif);
  font-size: var(--footer-size);
  line-height: 1.2;
  color: var(--white);
  max-width: 1065px;
  margin-bottom: 0.5em;
}
.footer__email {
  font-family: var(--serif);
  font-weight: 700;
  font-size: var(--footer-size);
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 80px;
}
.footer__email a { color: inherit; }
.footer__social {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 100%;
}
.footer__social-link {
  font-family: var(--sans);
  font-weight: 500;
  font-size: var(--nav-size);
  letter-spacing: 0.05em;
  color: var(--white);
}

@media (max-width: 900px) {
  .hero__categories { gap: 8px; flex-direction: column; align-items: flex-start; }

  .competencies__inner {
    grid-template-columns: 1fr;
  }
  .competencies__inner > .section-label { margin-bottom: 32px; }
  .competencies__lines { grid-column: 1; }

  .capabilities__inner {
    grid-template-columns: 1fr;
  }
  .capabilities__inner > .section-label { grid-column: 1; margin-bottom: 32px; }
  .capabilities__list { grid-column: 1; }

  .project-card {
    grid-template-columns: 1fr;
    gap: 16px 0;
  }
  .project-card__image { grid-column: 1; grid-row: 1; }
  .project-card__meta  { grid-column: 1; grid-row: 2; }

  .footer__social { flex-direction: column; align-items: flex-start; gap: 20px; }
}

@media (max-width: 600px) {
  :root { --pad: 16px; }

  .nav {
    height: 56px;
  }
  .nav__logo img { height: 24px; }
  .nav__left,
  .nav__right { font-size: 11px; }
  .nav--scrolled .nav__left,
  .nav--scrolled .nav__right { color: var(--black); }

  .hero { min-height: 100svh; }
  .hero__wordmark { width: clamp(260px, 92vw, 480px); }

  .competencies__lines p { font-size: clamp(32px, 10vw, 72px); }
  .footer__tagline,
  .footer__email { font-size: clamp(22px, 6.5vw, 46px); }
  .projects__more-rule { display: none; }
}

@keyframes menuLinkIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.menu-overlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 100dvh;
  z-index: 300;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  overflow: hidden;

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.menu-overlay:not([hidden]) {
  pointer-events: auto;
}

.menu-overlay.is-open {
  opacity: 1;
}

.menu-overlay__bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  height: 78px;
  flex-shrink: 0;
}

.menu-overlay__close,
.menu-overlay__cta {
  font-family: var(--sans);
  font-weight: 700;
  font-size: var(--nav-size);
  letter-spacing: 0.05em;
  color: var(--black);
  white-space: nowrap;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-decoration: none;
}

.menu-overlay__logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.menu-overlay__logo img {
  height: 32px;
  width: auto;
  filter: brightness(0);
}

.menu-overlay__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.menu-overlay__link {
  display: block;
  font-size: clamp(56px, 12.3vw, 177px);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--black);
  text-decoration: none;
  text-align: center;

  opacity: 0;
  transform: translateY(24px);
}

.menu-overlay__link--serif {
  font-family: var(--serif);
  font-weight: 400;
}

.menu-overlay__link--sans {
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: -0.0045em;
}

.menu-overlay.is-open .menu-overlay__link:nth-child(1) {
  animation: menuLinkIn 0.45s cubic-bezier(0.22,1,0.36,1) 0.05s forwards;
}
.menu-overlay.is-open .menu-overlay__link:nth-child(2) {
  animation: menuLinkIn 0.45s cubic-bezier(0.22,1,0.36,1) 0.12s forwards;
}
.menu-overlay.is-open .menu-overlay__link:nth-child(3) {
  animation: menuLinkIn 0.45s cubic-bezier(0.22,1,0.36,1) 0.19s forwards;
}

.menu-overlay:not(.is-open) .menu-overlay__link {
  animation: none;
  opacity: 0;
  transform: translateY(24px);
}

.menu-overlay__link:hover {
  opacity: 0.55;
}

@media (prefers-reduced-motion: reduce) {
  .menu-overlay { transition: none; }
  .menu-overlay__link,
  .menu-overlay.is-open .menu-overlay__link { animation: none; opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .menu-overlay__link { font-size: clamp(48px, 10vw, 130px); }
}

@media (max-width: 600px) {
  .menu-overlay__bar { height: 56px; }
  .menu-overlay__logo img { height: 24px; }
  .menu-overlay__close,
  .menu-overlay__cta { font-size: 11px; }
  .menu-overlay__link { font-size: clamp(38px, 14vw, 80px); }
}