/* ============================================================
   ARQstudio — Editorial Design System
   Art Direction CSS — No Tailwind, Pure Custom
   ============================================================ */

/* ---- DESIGN TOKENS ---- */
:root {
  --warm: #F5F3EE;
  --carbon: #191919;
  --concrete: #686861;
  --terra: #9A4C34;
  --olive: #5F6248;
  --warm-rgb: 245, 243, 238;
  --carbon-rgb: 25, 25, 25;

  --font-display: 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Helvetica Neue', Arial, sans-serif;
  --font-serif: Georgia, serif;
  --font-mono: 'Courier New', monospace;

  --fs-hero: clamp(3.5rem, 12vw, 11rem);
  --fs-display: clamp(2.5rem, 7vw, 7rem);
  --fs-h2: clamp(2rem, 5vw, 4.5rem);
  --fs-h3: clamp(1.5rem, 3vw, 2.5rem);
  --fs-body: clamp(0.95rem, 1.1vw, 1.125rem);
  --fs-small: clamp(0.75rem, 0.85vw, 0.875rem);
  --fs-micro: clamp(0.625rem, 0.7vw, 0.75rem);

  --space-xs: clamp(0.5rem, 1vw, 1rem);
  --space-sm: clamp(1rem, 2vw, 2rem);
  --space-md: clamp(2rem, 4vw, 4rem);
  --space-lg: clamp(4rem, 8vw, 8rem);
  --space-xl: clamp(6rem, 12vw, 14rem);

  --gutter: clamp(1rem, 3vw, 3rem);
  --max-width: 1440px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--carbon);
  background-color: var(--warm);
}

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

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

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--terra);
  outline-offset: 3px;
}

::selection {
  background: var(--terra);
  color: var(--warm);
}

.skip-link {
  position: fixed;
  top: var(--space-xs);
  left: var(--gutter);
  z-index: 1001;
  padding: 0.75rem 1rem;
  background: var(--warm);
  color: var(--carbon);
  transform: translateY(-200%);
}

.skip-link:focus-visible { transform: none; }

/* ---- UTILITY ---- */
.section-number {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--concrete);
  margin-bottom: var(--space-sm);
}

/* ---- PROGRESS BAR ---- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--terra);
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ---- NAVIGATION ---- */
.nav {
  position: fixed;
  top: 2px;
  left: 0;
  right: 0;
  z-index: 120;
  padding: var(--space-sm) var(--gutter);
  transition: background var(--transition), padding var(--transition-fast);
}

.nav--scrolled {
  background: rgba(var(--warm-rgb), 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  font-weight: 700;
  letter-spacing: -0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav__logo-arq {
  letter-spacing: 0.08em;
}

.nav__logo-studio {
  color: var(--terra);
  font-weight: 400;
  text-transform: lowercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
}

.nav__link {
  font-size: var(--fs-small);
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: 2px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--carbon);
  transition: width var(--transition);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__cta {
  font-size: var(--fs-small);
  letter-spacing: 0.05em;
  padding: 0.5em 1.25em;
  border: 1px solid var(--carbon);
  transition: background var(--transition), color var(--transition);
}

.nav__cta:hover {
  background: var(--carbon);
  color: var(--warm);
}

.nav__lang {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  color: var(--concrete);
}

.nav__lang span { color: var(--concrete); }

.nav__burger {
  display: none;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 8px;
}

.nav__burger span {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--carbon);
  transition: transform var(--transition), opacity var(--transition);
}

.nav__burger--open span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.nav__burger--open span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* ---- MOBILE MENU ---- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: var(--warm);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  overflow-y: auto;
  padding: var(--space-md) var(--gutter);
}

.mobile-menu--open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.mobile-menu__link {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.mobile-menu__link--cta {
  margin-top: var(--space-sm);
  font-size: var(--fs-body);
  padding: 0.75em 2em;
  border: 1px solid var(--carbon);
}

.mobile-menu__footer {
  margin-top: var(--space-lg);
  text-align: center;
}

.mobile-menu__meta {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.15em;
  color: var(--concrete);
  margin-top: 0.5rem;
}

/* ---- HERO ---- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero__image-wrap {
  position: absolute;
  top: 0;
  right: 0;
  width: 62%;
  height: 100%;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    var(--warm) 0%,
    rgba(var(--warm-rgb), 0.6) 30%,
    rgba(var(--warm-rgb), 0.1) 60%,
    transparent 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 var(--gutter);
  max-width: 65%;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.hero__title-line {
  display: block;
}

.hero__title-line--accent {
  color: var(--terra);
}

.hero__subtitle {
  font-size: var(--fs-body);
  line-height: 1.7;
  max-width: 36ch;
  color: rgba(var(--carbon-rgb), 0.7);
  margin-bottom: var(--space-sm);
}

.hero__cta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.1em;
  padding: 0.75em 1.5em;
  border: 1px solid var(--carbon);
  transition: background var(--transition), color var(--transition);
}

.hero__cta:hover {
  background: var(--carbon);
  color: var(--warm);
}

.hero__annotation {
  position: absolute;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.2em;
  color: var(--concrete);
  text-transform: uppercase;
}

.hero__annotation--left {
  left: var(--gutter);
  top: 50%;
  transform: rotate(-90deg) translateX(-50%);
  transform-origin: left center;
}

.hero__annotation--right {
  right: var(--gutter);
  bottom: 30%;
  writing-mode: vertical-rl;
}

.hero__bottom {
  position: absolute;
  bottom: var(--space-sm);
  left: var(--gutter);
  right: var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  z-index: 3;
}

.hero__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.15em;
  color: var(--concrete);
  display: flex;
  gap: 0.5em;
}

.hero__meta--right {
  display: none;
}

.hero__scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero__scroll-text {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--concrete);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: var(--concrete);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--carbon);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0% { top: -100%; }
  50% { top: 0; }
  100% { top: 100%; }
}

/* ---- EDITORIAL BREAK ---- */
.editorial-break {
  padding: var(--space-xl) var(--gutter);
  position: relative;
  overflow: hidden;
}

.editorial-break__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.editorial-break__title {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.editorial-break__title span {
  display: block;
}

.editorial-break__title--serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  text-transform: none;
  color: var(--terra);
}

.editorial-break__aside {
  max-width: 42ch;
  margin-left: auto;
  position: relative;
}

.editorial-break__line {
  width: 60px;
  height: 1px;
  background: var(--concrete);
  margin-bottom: var(--space-sm);
}

.editorial-break__aside p {
  color: rgba(var(--carbon-rgb), 0.7);
  margin-bottom: 1em;
  line-height: 1.8;
}

.editorial-break__figure {
  position: absolute;
  bottom: -2rem;
  left: 5%;
  width: clamp(140px, 18vw, 260px);
}

.editorial-break__figure img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.editorial-break__caption {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--concrete);
  margin-top: 0.5rem;
  letter-spacing: 0.05em;
}

/* ---- PROJECTS ---- */
.projects {
  padding: var(--space-lg) var(--gutter) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.projects__header {
  margin-bottom: var(--space-lg);
}

.projects__intro {
  font-size: var(--fs-body);
  color: var(--concrete);
  max-width: 50ch;
  margin-top: var(--space-xs);
}

.projects__notice,
.archive__notice {
  max-width: 75ch;
  margin-top: 0.75rem;
  font-size: var(--fs-small);
  color: var(--concrete);
}

/* -- Project Item Base -- */
.project-item {
  margin-bottom: var(--space-lg);
  position: relative;
}

.project-item__image-wrap {
  overflow: hidden;
  position: relative;
}

.project-item__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-item:hover .project-item__image-wrap img {
  transform: scale(1.04);
}

.project-item__number {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.15em;
  color: var(--concrete);
  margin-bottom: 0.75rem;
}

.project-item__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.project-item__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  color: var(--concrete);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35em;
}

.project-item__meta-sep { color: var(--terra); }

.project-item__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--fs-small);
  letter-spacing: 0.05em;
  margin-top: 1rem;
  min-height: 44px;
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
  cursor: pointer;
}

.project-item__link:hover {
  border-bottom-color: var(--carbon);
}

.project-item__link .arrow {
  transition: transform var(--transition);
}

.project-item:hover .project-item__link .arrow {
  transform: translate(3px, -3px);
}

.project-item__annotation {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--concrete);
  margin-top: 0.5rem;
  letter-spacing: 0.05em;
}

/* -- Project Wide (01) -- */
.project-item--wide .project-item__image-wrap {
  width: 100%;
  aspect-ratio: 16/7;
}

.project-item--wide .project-item__info--overlay {
  position: absolute;
  bottom: var(--space-sm);
  left: var(--space-sm);
  z-index: 2;
  background: rgba(var(--warm-rgb), 0.88);
  backdrop-filter: blur(8px);
  padding: var(--space-sm);
}

/* -- Project Vertical (02) -- */
.project-item--vertical {
  display: grid;
  grid-template-columns: 38% 1fr;
  gap: var(--space-md);
  align-items: center;
}

.project-item--vertical .project-item__image-wrap {
  aspect-ratio: 3/4.5;
}

.project-item--vertical .project-item__info--aside {
  padding-left: var(--space-sm);
}

.project-item--vertical .project-item__title {
  font-size: var(--fs-display);
}

/* -- Project Duo (03) -- */
.project-item--duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  align-items: end;
}

.project-item--duo .project-item__images {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-sm);
  align-items: end;
}

.project-item--duo .project-item__image-wrap--tall {
  aspect-ratio: 3/4;
}

.project-item--duo .project-item__image-wrap--short {
  aspect-ratio: 4/3;
}

.project-item--duo .project-item__info--between {
  padding-left: var(--space-md);
}

/* -- Project Panoramic (04) -- */
.project-item--panoramic .project-item__image-wrap {
  width: 100%;
  aspect-ratio: 21/9;
}

.project-item--panoramic .project-item__info--overlay-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md) var(--space-sm) var(--space-sm);
  background: linear-gradient(to top, rgba(var(--carbon-rgb), 0.6) 0%, transparent 100%);
  color: var(--warm);
}

.project-item--panoramic .project-item__meta { color: rgba(var(--warm-rgb), 0.7); }
.project-item--panoramic .project-item__link { color: var(--warm); }
.project-item--panoramic .project-item__link:hover { border-bottom-color: var(--warm); }

/* -- Project Split (05) -- */
.project-item--split {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-sm);
  align-items: center;
}

.project-item--split .project-item__image-wrap--detail {
  aspect-ratio: 4/3;
}

.project-item--split .project-item__info--center {
  text-align: center;
  padding: 0 var(--space-sm);
}

.project-item--split .project-item__image-wrap--context {
  aspect-ratio: 4/5;
}

/* ---- INTERLUDE ---- */
.interlude {
  position: relative;
  height: 75vh;
  min-height: 500px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.interlude__image-wrap {
  position: absolute;
  inset: 0;
}

.interlude__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5) contrast(1.1);
}

.interlude__content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.interlude__text {
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 1.5vw, 1.125rem);
  letter-spacing: 0.35em;
  color: var(--warm);
  line-height: 2.5;
  text-transform: uppercase;
}

.interlude__detail {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--gutter);
  width: clamp(100px, 12vw, 180px);
  z-index: 2;
}

.interlude__detail img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.interlude__detail figcaption {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: rgba(var(--warm-rgb), 0.6);
  margin-top: 0.5rem;
  letter-spacing: 0.05em;
}

/* ---- DISCIPLINES ---- */
.disciplines {
  padding: var(--space-xl) var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.disciplines__header {
  margin-bottom: var(--space-lg);
}

.disciplines__intro {
  font-size: var(--fs-body);
  color: var(--concrete);
  max-width: 50ch;
  margin-top: var(--space-xs);
}

.disciplines__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.disciplines__list {
  display: flex;
  flex-direction: column;
}

.discipline-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-top: 1px solid rgba(var(--carbon-rgb), 0.12);
  text-align: left;
  width: 100%;
  transition: color var(--transition);
  position: relative;
}

.discipline-item:last-child {
  border-bottom: 1px solid rgba(var(--carbon-rgb), 0.12);
}

.discipline-item:hover,
.discipline-item--active {
  color: var(--terra);
}

.discipline-item__number {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.15em;
  color: var(--concrete);
}

.discipline-item__name {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.1;
}

.discipline-item__arrow {
  font-size: var(--fs-body);
  transition: transform var(--transition);
}

.discipline-item:hover .discipline-item__arrow {
  transform: translate(4px, -4px);
}

.discipline-item__detail {
  grid-column: 1 / -1;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, padding 0.3s ease;
}

.discipline-item__detail p {
  font-size: var(--fs-body);
  color: rgba(var(--carbon-rgb), 0.65);
  line-height: 1.7;
  padding-bottom: var(--space-xs);
  max-width: 50ch;
}

.discipline-item[aria-expanded="true"] .discipline-item__detail {
  max-height: 200px;
}

.disciplines__image-container {
  position: sticky;
  top: 120px;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.disciplines__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.disciplines__image--active {
  opacity: 1;
}

/* ---- PROCESS ---- */
.process {
  padding: var(--space-lg) var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.process__header {
  margin-bottom: var(--space-md);
}

.process__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.process__step {
  padding: var(--space-sm) 0;
  border-top: 1px solid rgba(var(--carbon-rgb), 0.12);
}

.process__step-number {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--terra);
  margin-bottom: 0.5rem;
}

.process__step-name {
  font-size: var(--fs-h3);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.process__step-desc {
  font-size: var(--fs-small);
  color: rgba(var(--carbon-rgb), 0.65);
  line-height: 1.7;
}

.process__figure {
  max-width: 700px;
  margin: 0 auto;
}

.process__figure img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.process__figure figcaption {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--concrete);
  margin-top: 0.75rem;
  letter-spacing: 0.05em;
}

/* ---- STUDIO ---- */
.studio-section {
  padding: var(--space-xl) var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.studio-section__layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-lg);
  align-items: start;
  margin-bottom: var(--space-xl);
}

.studio-section__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.studio-section__title--serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  text-transform: none;
  color: var(--terra);
  display: block;
  margin-top: 0.25em;
}

.studio-section__body {
  margin-bottom: var(--space-md);
}

.studio-section__body p {
  color: rgba(var(--carbon-rgb), 0.7);
  line-height: 1.8;
  margin-bottom: 1em;
  max-width: 50ch;
}

.studio-section__data {
  list-style: none;
}

.studio-section__data li {
  display: flex;
  justify-content: space-between;
  padding: 0.75em 0;
  border-top: 1px solid rgba(var(--carbon-rgb), 0.1);
  font-size: var(--fs-small);
}

.studio-section__data li:last-child {
  border-bottom: 1px solid rgba(var(--carbon-rgb), 0.1);
}

.studio-section__data-label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  color: var(--concrete);
  text-transform: uppercase;
}

.studio-section__image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.studio-section__image figcaption {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--concrete);
  margin-top: 0.75rem;
  letter-spacing: 0.05em;
}

/* ---- COLLABORATIONS ---- */
.collaborations {
  padding: var(--space-lg) 0;
  border-top: 1px solid rgba(var(--carbon-rgb), 0.1);
}

.collaborations__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.collaborations__text {
  color: rgba(var(--carbon-rgb), 0.7);
  max-width: 55ch;
  margin-bottom: var(--space-sm);
}

.collaborations__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: var(--space-sm);
}

.collaborations__tags span {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4em 1em;
  border: 1px solid var(--concrete);
  color: var(--concrete);
}

.collaborations__link {
  display: inline-block;
  font-size: var(--fs-small);
  letter-spacing: 0.05em;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--carbon);
  transition: color var(--transition);
}

.collaborations__link:hover {
  color: var(--terra);
  border-bottom-color: var(--terra);
}

/* ---- ARCHIVE ---- */
.archive {
  padding: var(--space-xl) var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.archive__header {
  margin-bottom: var(--space-md);
}

.archive__intro {
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  font-style: italic;
  color: var(--terra);
  margin-top: var(--space-xs);
}

.archive__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
}

.archive__filter {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  min-height: 44px;
  padding: 0.5em 1em;
  border: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.archive__filter:hover {
  border-color: var(--concrete);
}

.archive__filter--active {
  border-color: var(--carbon);
  color: var(--carbon);
}

.archive__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-sm);
}

.archive-card { overflow: hidden; }

.archive-card--large {
  grid-column: span 7;
  grid-row: span 2;
}

.archive-card--medium { grid-column: span 5; }
.archive-card--small { grid-column: span 5; }

.archive-card__link {
  display: block;
  height: 100%;
}

.archive-card[hidden] { display: none; }

.archive__results {
  min-height: 1.5em;
  margin: calc(-1 * var(--space-sm)) 0 var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--concrete);
}

.archive-card__image-wrap {
  overflow: hidden;
  aspect-ratio: 4/3;
}

.archive-card--large .archive-card__image-wrap {
  aspect-ratio: 4/5;
}

.archive-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.archive-card:hover .archive-card__image-wrap img {
  transform: scale(1.04);
}

.archive-card__content {
  padding: var(--space-xs) 0;
}

.archive-card__category {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 0.35rem;
}

.archive-card__title {
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.35rem;
}

.archive-card--large .archive-card__title {
  font-size: var(--fs-h3);
}

.archive-card__date {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--concrete);
  letter-spacing: 0.05em;
}

.archive-card.hidden-card {
  display: none;
}

/* ---- CONTACT ---- */
.contact {
  padding: var(--space-xl) var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.contact__layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.contact__title {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.contact__title span { display: block; }

.contact__title--serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  text-transform: none;
  color: var(--terra);
}

.contact__subtitle {
  font-size: var(--fs-body);
  color: rgba(var(--carbon-rgb), 0.65);
  max-width: 40ch;
  line-height: 1.7;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--concrete);
}

.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  outline: 2px solid var(--terra);
  outline-offset: 3px;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  padding: 0.75em 0;
  border: none;
  border-bottom: 1px solid rgba(var(--carbon-rgb), 0.2);
  background: transparent;
  color: var(--carbon);
  transition: border-color var(--transition);
  appearance: none;
  border-radius: 0;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-bottom-color: var(--terra);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%23B8B7B1'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
}

.form-error {
  font-size: var(--fs-micro);
  color: var(--terra);
  min-height: 1em;
}

.form-group--error input,
.form-group--error select,
.form-group--error textarea {
  border-bottom-color: var(--terra);
}

.contact__submit {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.1em;
  padding: 0.85em 2em;
  border: 1px solid var(--carbon);
  transition: background var(--transition), color var(--transition);
  position: relative;
}

.contact__form-notice {
  font-size: var(--fs-small);
  color: var(--concrete);
}

.contact__submit:hover {
  background: var(--carbon);
  color: var(--warm);
}

.contact__submit-loading {
  display: none;
}

.contact__submit--loading .contact__submit-text { display: none; }
.contact__submit--loading .contact__submit-loading { display: inline; }
.contact__submit--loading {
  pointer-events: none;
  opacity: 0.6;
}

.contact__submit:disabled {
  cursor: wait;
}

.form-status {
  font-size: var(--fs-small);
  padding: 0.75em 0;
  min-height: 1.5em;
}

.form-status--success { color: var(--olive); }
.form-status--error { color: var(--terra); }

.contact__info {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(var(--carbon-rgb), 0.1);
  margin-top: var(--space-md);
}

.contact__info-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--concrete);
  margin-bottom: 0.5rem;
}

.contact__info-block a {
  display: block;
  font-size: var(--fs-small);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.contact__info-block a:hover {
  border-bottom-color: var(--carbon);
}

/* ---- FOOTER ---- */
.footer {
  padding: var(--space-md) var(--gutter);
  border-top: 1px solid rgba(var(--carbon-rgb), 0.1);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-md);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: none;
}

.footer__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--fs-small);
  color: var(--concrete);
}

.footer__middle {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.footer__nav {
  display: flex;
  gap: var(--space-sm);
}

.footer__nav a,
.footer__social a {
  font-size: var(--fs-small);
  color: rgba(var(--carbon-rgb), 0.65);
  transition: color var(--transition);
}

.footer__nav a:hover,
.footer__social a:hover {
  color: var(--carbon);
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__bottom {
  display: flex;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--concrete);
  letter-spacing: 0.05em;
}

.footer__bottom a,
.footer__bottom button {
  color: var(--concrete);
  transition: color var(--transition);
}

.footer__bottom a:hover,
.footer__bottom button:hover {
  color: var(--carbon);
}

/* ---- MODAL ---- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--warm);
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal--open {
  opacity: 1;
  pointer-events: all;
}

.modal__close {
  position: fixed;
  top: var(--space-sm);
  right: var(--space-sm);
  z-index: 201;
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--warm);
  border: 1px solid rgba(var(--carbon-rgb), 0.15);
  transition: background var(--transition);
}

.modal__close:hover {
  background: var(--carbon);
  color: var(--warm);
}

.modal__content {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-lg) var(--gutter);
}

.modal__hero {
  margin-bottom: var(--space-md);
}

.modal__hero-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.modal__number {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.15em;
  color: var(--concrete);
  margin-bottom: 0.75rem;
}

.modal__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.modal__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  color: var(--concrete);
  margin-bottom: var(--space-md);
}

.modal__description {
  max-width: 60ch;
  line-height: 1.8;
  color: rgba(var(--carbon-rgb), 0.7);
  margin-bottom: var(--space-md);
}

.modal__details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-top: 1px solid rgba(var(--carbon-rgb), 0.1);
  border-bottom: 1px solid rgba(var(--carbon-rgb), 0.1);
  margin-bottom: var(--space-md);
}

.modal__detail-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--concrete);
  margin-bottom: 0.25rem;
}

.modal__detail-value {
  font-size: var(--fs-small);
}

.modal__gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.modal__gallery img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ---- COOKIE BANNER ---- */
.cookie-banner {
  position: fixed;
  bottom: var(--space-sm);
  left: var(--gutter);
  right: var(--gutter);
  z-index: 150;
  background: var(--carbon);
  color: var(--warm);
  padding: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  transform: translateY(calc(100% + var(--space-sm)));
  transition: transform var(--transition);
  flex-wrap: wrap;
}

.cookie-banner > p:first-child { flex: 1 1 20rem; }
.cookie-banner__status { flex: 1 0 100%; }
.cookie-banner__status:empty { display: none; }

.cookie-banner--visible {
  transform: translateY(0);
}

.cookie-banner--hidden {
  display: none;
}

.cookie-banner a {
  text-decoration: underline;
  color: rgba(var(--warm-rgb), 0.7);
}

.cookie-banner__actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cookie-banner__btn {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  min-height: 44px;
  padding: 0.5em 1em;
  border: 1px solid rgba(var(--warm-rgb), 0.3);
  color: var(--warm);
  transition: background var(--transition-fast);
}

.cookie-banner__btn--accept {
  background: var(--warm);
  color: var(--carbon);
  border-color: var(--warm);
}

.cookie-banner__btn:hover {
  background: rgba(var(--warm-rgb), 0.15);
}

.cookie-banner__btn--accept:hover {
  background: rgba(var(--warm-rgb), 0.85);
}

/* ---- ANIMATIONS ---- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html.js [data-reveal="fade-in"] {
  transform: none;
}

html.js [data-reveal="slide-left"] {
  transform: translateX(-30px);
}

html.js [data-reveal].revealed {
  opacity: 1;
  transform: none;
}

/* Stagger children */
html.js [data-reveal].revealed:nth-child(2) { transition-delay: 0.1s; }
html.js [data-reveal].revealed:nth-child(3) { transition-delay: 0.2s; }
html.js [data-reveal].revealed:nth-child(4) { transition-delay: 0.3s; }

/* ---- RESPONSIVE ---- */
@media (min-width: 1024px) {
  .hero__meta--right { display: flex; }
}

@media (max-width: 1023px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }

  .hero__image-wrap { width: 100%; }
  .hero__image-overlay {
    background: linear-gradient(
      to top,
      var(--warm) 5%,
      rgba(var(--warm-rgb), 0.75) 40%,
      rgba(var(--warm-rgb), 0.4) 100%
    );
  }
  .hero__content { max-width: 100%; }
  .hero__title { font-size: clamp(3rem, 14vw, 6rem); }
  .hero__annotation--left { display: none; }
  .hero__annotation--right { display: none; }

  .editorial-break__figure { position: relative; bottom: 0; left: 0; margin-top: var(--space-md); }

  .project-item--vertical { grid-template-columns: 1fr; }
  .project-item--vertical .project-item__image-wrap { aspect-ratio: 16/10; }
  .project-item--vertical .project-item__title { font-size: var(--fs-h2); }
  .project-item--duo { grid-template-columns: 1fr; }
  .project-item--duo .project-item__images { grid-template-columns: 1fr 1fr; }
  .project-item--duo .project-item__info--between { padding-left: 0; padding-top: var(--space-sm); }
  .project-item--split { grid-template-columns: 1fr; }
  .project-item--split .project-item__info--center { text-align: left; padding: var(--space-sm) 0; }

  .disciplines__body { grid-template-columns: 1fr; }
  .disciplines__image-container { display: none; }

  .process__steps { grid-template-columns: repeat(2, 1fr); }

  .studio-section__layout { grid-template-columns: 1fr; }

  .archive__grid { grid-template-columns: repeat(6, 1fr); }
  .archive-card--large { grid-column: span 6; }
  .archive-card--medium { grid-column: span 3; }
  .archive-card--small { grid-column: span 3; }

  .contact__layout { grid-template-columns: 1fr; }
  .contact__info { flex-wrap: wrap; gap: var(--space-md); }
}

@media (max-width: 640px) {
  .hero__title { font-size: clamp(2.5rem, 16vw, 4rem); }
  .hero__bottom { flex-direction: column; align-items: center; gap: 1rem; }
  .hero__meta { display: none; }

  .editorial-break__title { font-size: clamp(2rem, 10vw, 3.5rem); }
  .editorial-break__aside { margin-left: 0; }

  .project-item--wide .project-item__image-wrap { aspect-ratio: 4/3; }
  .project-item--wide .project-item__info--overlay {
    position: relative;
    bottom: 0;
    left: 0;
    background: none;
    backdrop-filter: none;
    padding: var(--space-sm) 0;
  }
  .project-item--panoramic .project-item__image-wrap { aspect-ratio: 16/10; }
  .project-item--duo .project-item__images { grid-template-columns: 1fr; }

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

  .archive__grid { grid-template-columns: 1fr; }
  .archive-card--large,
  .archive-card--medium,
  .archive-card--small { grid-column: span 1; }
  .archive-card--large .archive-card__image-wrap { aspect-ratio: 16/10; }

  .contact__title { font-size: clamp(2rem, 12vw, 4rem); }
  .contact__info { flex-direction: column; gap: var(--space-sm); }

  .footer__top { flex-direction: column; gap: 0.5rem; }
  .footer__middle { flex-direction: column; gap: var(--space-sm); }
  .footer__bottom { flex-wrap: wrap; }

  .cookie-banner { flex-direction: column; text-align: center; }
  .cookie-banner > p:first-child { flex: 0 1 auto; }
  .cookie-banner__status { flex: 0 1 auto; }

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

  .mobile-menu__link { font-size: clamp(1.75rem, 9vw, 2.5rem); }
  .footer__nav { flex-wrap: wrap; gap: 0.75rem 1rem; }
  .footer__social { flex-wrap: wrap; }
}

@media (max-width: 380px) {
  .nav { padding-left: 0.75rem; padding-right: 0.75rem; }
  .nav__logo { font-size: 0.95rem; }
  .hero__title { font-size: clamp(2.35rem, 15vw, 3.5rem); }
  .project-item__meta { letter-spacing: 0.04em; }
  .cookie-banner { left: 0.5rem; right: 0.5rem; padding: 0.75rem; }
  .cookie-banner__actions { flex-wrap: wrap; justify-content: center; }
}

/* ---- REDUCED MOTION ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero__scroll-line::after { animation: none; }
}