/* ============================================
   RUBIK MATERIAL LABORATORY
   Brutalist Portfolio — Inspired by Ludwig Godefroy
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Inter:wght@300;400;500&display=swap');

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

:root {
  --bg: #f0ece4;
  --fg: #1a1a1a;
  --accent: #8c8478;
  --grid-char: #c4bdb2;
  --grid-char-hover: #1a1a1a;
  --mono: 'Space Mono', monospace;
  --sans: 'Inter', -apple-system, sans-serif;
  --border: 1px solid var(--fg);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--mono);
  background-color: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--fg);
  text-decoration: none;
}

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

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

/* --- Sidebar Layout --- */
.sidebar-left {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 300px;
  background: var(--bg);
  z-index: 900;
  font-family: var(--mono);
  font-size: 0.65rem;
  line-height: 1.6;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  user-select: none;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  padding: 2.5rem 1.8rem;
  border-right: var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar-left::-webkit-scrollbar {
  display: none;
}

/* Sidebar section headers */
.sb-section {
  color: var(--fg);
  font-weight: 700;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  margin-bottom: 0.2rem;
}

.sb-section-group {
  margin-bottom: 2.5rem;
}

/* Sidebar nav links */
.sb-nav {
  margin-bottom: 2.5rem;
}

.sb-link {
  color: var(--accent);
  display: block;
  text-decoration: none;
  transition: color 0.2s;
  padding: 0.3rem 0;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
}

.sb-link:hover {
  color: var(--fg);
}

.sb-link.active {
  color: var(--fg);
  font-weight: 700;
}

/* Sidebar project links */
.sb-projects-group {
  margin-bottom: 2.5rem;
}

.sb-projects-label {
  color: var(--fg);
  font-weight: 700;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  margin-bottom: 0.8rem;
}

.sb-project {
  color: var(--accent);
  display: block;
  text-decoration: none;
  transition: color 0.2s;
  padding: 0.25rem 0;
  font-size: 0.55rem;
  letter-spacing: 0.08em;
}

.sb-project:hover {
  color: var(--fg);
}

.sb-project.active {
  color: var(--fg);
  font-weight: 700;
}

.sb-project .sb-num {
  font-weight: 700;
}

/* Sidebar info section */
.sb-info {
  margin-top: auto;
  padding-top: 2rem;
}

.sb-sub {
  color: var(--accent);
  font-size: 0.5rem;
  letter-spacing: 0.08em;
  line-height: 1.8;
}

/* Body shift for sidebar */
body {
  margin-left: 300px;
}

/* Landing page — full bleed, no chrome */
body.landing {
  margin-left: 0;
  margin-right: 0;
}

body.landing .grid-landing {
  width: 100vw;
  cursor: pointer;
}

.bracket-grid .studio-name a {
  color: var(--fg);
  text-decoration: none;
}

.bracket-grid .studio-name a:hover {
  text-decoration: underline;
}

.bracket-grid .highlight a {
  color: var(--fg);
  text-decoration: none;
}

.bracket-grid .highlight a:hover {
  text-decoration: underline;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 300px;
  width: calc(100% - 300px);
  z-index: 1000;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg);
}

.nav__logo {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg);
}

.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg);
  position: relative;
  padding-bottom: 2px;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--fg);
  transition: width 0.3s ease;
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__ig {
  display: flex;
  align-items: center;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}
.nav__ig:hover {
  opacity: 1;
}
.nav__ig::after {
  display: none !important;
}

/* --- Mobile Nav Toggle --- */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav__toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--fg);
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* --- Bracket Grid (Landing) --- */
.grid-landing {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.bracket-grid {
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.1;
  letter-spacing: 0.08em;
  color: var(--grid-char);
  text-align: center;
  user-select: none;
  white-space: pre;
  position: relative;
}

.bracket-grid .highlight {
  color: var(--fg);
  font-weight: 700;
}

.bracket-grid .studio-name {
  color: var(--fg);
  font-weight: 700;
  letter-spacing: 0.25em;
}

/* --- Landing Scroll Indicator --- */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* --- Page Header --- */
.page-header {
  padding: 8rem 2rem 3rem;
  border-bottom: var(--border);
}

.page-header h1 {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.page-header .subtitle {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
}

/* --- Projects Grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: var(--border);
}

.project-card {
  border-right: var(--border);
  border-bottom: var(--border);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.project-card:nth-child(2n) {
  border-right: none;
}

.project-card__img {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--grid-char);
  position: relative;
  overflow: hidden;
}

.project-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0, 0, 1);
}

.project-card:hover .project-card__img img {
  transform: scale(1.05);
}

.project-card__img .placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 6rem;
  font-weight: 700;
  color: rgba(26, 26, 26, 0.06);
  background: linear-gradient(135deg, #d4cec4 0%, #e8e2d8 100%);
}

.project-card__info {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.project-card__title {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-card__meta {
  font-family: var(--mono);
  font-size: 0.55rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

.project-card__year {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.project-card--static {
  cursor: default;
}

.project-card--static .project-card__img {
  aspect-ratio: auto;
  overflow: visible;
}

.project-card--static .project-card__img img {
  transition: none;
  object-fit: contain;
  height: auto;
}

.project-card--static:hover .project-card__img img {
  transform: none;
}

/* --- Project Detail --- */
.project-detail {
  padding: 8rem 2rem 4rem;
}

.project-detail__hero {
  width: 100%;
  background: var(--grid-char);
  margin-bottom: 3rem;
}

.project-detail__hero img {
  width: 100%;
  height: auto;
  display: block;
}

.project-detail__hero .placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 8rem;
  font-weight: 700;
  color: rgba(26, 26, 26, 0.05);
  background: linear-gradient(135deg, #d4cec4 0%, #e8e2d8 100%);
}

.project-detail__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
  padding-bottom: 2rem;
  border-bottom: var(--border);
}

.project-detail__title {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.project-detail__description {
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.8;
  letter-spacing: 0.03em;
  color: var(--fg);
}

.project-detail__specs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--grid-char);
}

.spec-item__label {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.spec-item__value {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-detail__gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

.project-detail__gallery .gallery-img {
  background: var(--bg);
}

.project-detail__gallery .gallery-img img {
  width: 100%;
  height: auto;
  display: block;
}

.project-detail__gallery .gallery-img .placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 4rem;
  font-weight: 700;
  color: rgba(26, 26, 26, 0.04);
  background: linear-gradient(135deg, #d4cec4 0%, #e8e2d8 100%);
}

/* --- About Page --- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 12rem);
}

.about-left {
  padding: 8rem 3rem 4rem;
  border-right: var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-right {
  padding: 8rem 3rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-left h2 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.about-left p {
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 2;
  letter-spacing: 0.03em;
  margin-bottom: 1.5rem;
  max-width: 480px;
}

.about-right .info-block {
  margin-bottom: 2.5rem;
}

.info-block__label {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.info-block__value {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  line-height: 1.8;
}

/* --- Contact Page --- */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 12rem);
}

.contact-left {
  padding: 8rem 3rem 4rem;
  border-right: var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-right {
  padding: 8rem 3rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-left h2 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.contact-left .contact-email {
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  border-bottom: var(--border);
  padding-bottom: 0.5rem;
  display: inline-block;
  transition: color 0.3s;
}

.contact-left .contact-email:hover {
  color: var(--accent);
}

.contact-bracket-art {
  font-family: var(--mono);
  font-size: 1.1rem;
  line-height: 1.15;
  color: var(--grid-char);
  white-space: pre;
  user-select: none;
}

/* --- Materials Page --- */
.materials-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: var(--border);
}

.materials-intro {
  padding: 4rem 3rem;
  border-right: var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.materials-intro p {
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 2;
  letter-spacing: 0.03em;
  margin-bottom: 1.5rem;
  max-width: 480px;
}

.materials-categories {
  padding: 4rem 3rem;
}

.materials-category {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--grid-char);
  text-decoration: none;
  color: inherit;
}

.materials-category:first-child {
  padding-top: 0;
}

.materials-category:last-child {
  border-bottom: none;
}

.materials-category__num {
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  flex-shrink: 0;
}

.materials-category__title {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.materials-category__desc {
  font-family: var(--mono);
  font-size: 0.6rem;
  line-height: 1.8;
  letter-spacing: 0.03em;
  color: var(--accent);
}

/* Collections */
.materials-collections {
  border-bottom: var(--border);
}

.materials-collections__header {
  padding: 2rem 3rem;
  border-bottom: var(--border);
}

.materials-collections__header h2 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.materials-collections__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.materials-collection {
  padding: 2.5rem 3rem;
  border-bottom: 1px solid var(--grid-char);
  border-right: 1px solid var(--grid-char);
}

.materials-collection:nth-child(2n) {
  border-right: none;
}

.materials-collection:nth-last-child(-n+2) {
  border-bottom: none;
}

.materials-collection__name {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.materials-collection__items {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.materials-collection__items span {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}

/* Specs */
.materials-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: var(--border);
}

.materials-specs__col {
  padding: 3rem;
}

.materials-specs__col:first-child {
  border-right: var(--border);
}

/* --- Materials Product Detail --- */
.materials-product {
  border-bottom: var(--border);
}

.materials-product__header {
  padding: 2rem 3rem;
  border-bottom: var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.materials-product__header h2 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.materials-product__tag {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.materials-product__intro {
  padding: 3rem;
  border-bottom: var(--border);
}

.materials-product__intro p {
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 2;
  letter-spacing: 0.03em;
  margin-bottom: 2rem;
  max-width: 600px;
}

.materials-product__spec {
  display: flex;
  gap: 2rem;
  align-items: baseline;
}

.materials-product__variants {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
}

.materials-product__variant {
  border-right: 1px solid var(--grid-char);
  border-bottom: var(--border);
}

.materials-product__variant:last-child {
  border-right: none;
}

.materials-product__variant-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--grid-char);
}

.materials-product__variant-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.materials-product__variant-info {
  padding: 1.5rem 2rem;
}

.materials-product__variant-info h3 {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.materials-product__variant-info p {
  font-family: var(--mono);
  font-size: 0.6rem;
  line-height: 1.8;
  letter-spacing: 0.03em;
  color: var(--accent);
}

.materials-product__gallery {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--fg);
}

.materials-product__gallery img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
  background: var(--bg);
}

/* --- Material Detail Page --- */
.material-detail__back {
  padding: 1.5rem 3rem;
  border-bottom: var(--border);
}

.material-detail__back--bottom {
  border-bottom: none;
  border-top: var(--border);
  padding: 2rem 3rem;
  text-align: center;
}

.material-detail__back a {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--fg);
  padding-bottom: 2px;
}

.material-detail__hero {
  border-bottom: var(--border);
  overflow: hidden;
}

.material-detail__hero img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  display: block;
}

.material-detail__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 2rem 3rem;
  border-bottom: var(--border);
}

.material-detail__header h1 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.material-detail__tag {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.material-detail__intro {
  padding: 3rem;
  border-bottom: var(--border);
}

.material-detail__intro p {
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 2;
  letter-spacing: 0.03em;
  margin-bottom: 2rem;
  max-width: 600px;
}

.material-detail__technique {
  color: var(--accent);
}

.material-detail__spec {
  display: flex;
  gap: 2rem;
  align-items: baseline;
}

.material-detail__variants {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
}

.material-detail__variant {
  border-right: 1px solid var(--grid-char);
  border-bottom: var(--border);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: background 0.2s;
}

.material-detail__variant:last-child {
  border-right: none;
}

.material-detail__variant:hover {
  background: rgba(26, 26, 26, 0.02);
}

.material-detail__variant-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--grid-char);
}

.material-detail__variant-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.material-detail__variant-info {
  padding: 1.5rem 2rem;
}

.material-detail__variant-info h3 {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.material-detail__variant-info p {
  font-family: var(--mono);
  font-size: 0.6rem;
  line-height: 1.8;
  letter-spacing: 0.03em;
  color: var(--accent);
}

.material-detail__variant-link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--fg);
  padding-bottom: 2px;
}

.material-detail__gallery {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--fg);
}

.material-detail__gallery img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
  background: var(--bg);
}

.material-detail__swatches-section {
  padding: 3rem;
  border-bottom: var(--border);
}

.material-detail__swatches-title {
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.material-detail__swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.material-detail__swatch {
  text-align: center;
}

.material-detail__swatch img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  display: block;
  border: 1px solid var(--grid-char);
}

.material-detail__swatch-code {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.material-detail__variants-section {
  padding: 3rem;
  border-bottom: var(--border);
}

.material-detail__variants-title {
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.material-detail__variants-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem 1.5rem;
}

.material-detail__variant-name {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--grid-char);
  color: var(--fg);
}

.material-detail__case-study {
  padding: 3rem;
  border-bottom: var(--border);
}

.material-detail__case-header {
  margin-bottom: 1.5rem;
}

.material-detail__case-header h3 {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.25rem 0;
}

.material-detail__case-meta {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
}

.material-detail__case-study p {
  font-family: var(--mono);
  font-size: 0.65rem;
  line-height: 1.8;
  max-width: 60ch;
  margin-bottom: 2rem;
}

/* --- Footer --- */
.footer {
  border-top: var(--border);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copy {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.footer__links {
  display: flex;
  gap: 1.5rem;
}

.footer__links a {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  transition: color 0.3s;
}

.footer__links a:hover {
  color: var(--fg);
}

/* --- Page Transition --- */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--fg);
  z-index: 9999;
  transform: scaleY(0);
  transform-origin: bottom;
  pointer-events: none;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .sidebar-left {
    display: none;
  }

  body {
    margin-left: 0;
  }

  .nav {
    left: 0;
    width: 100%;
    padding: 1rem 1.2rem;
  }

  .nav__toggle {
    display: block;
  }

  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }

  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    gap: 0;
    padding: 1rem 1.5rem;
    border-bottom: var(--border);
    width: 100%;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links li {
    padding: 0.5rem 0;
  }

  .nav__links a {
    font-size: 0.65rem;
  }

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

  .project-card {
    border-right: none;
  }

  .about-content,
  .contact-content,
  .materials-content,
  .materials-collections__grid,
  .materials-specs {
    grid-template-columns: 1fr;
  }

  .materials-intro {
    border-right: none;
    border-bottom: var(--border);
    padding: 3rem 2rem;
  }

  .materials-categories {
    padding: 3rem 2rem;
  }

  .materials-collection {
    border-right: none;
  }

  .materials-product__header {
    padding: 1.5rem 2rem;
  }

  .materials-product__intro {
    padding: 2rem;
  }

  .materials-product__variants {
    grid-template-columns: 1fr;
  }

  .materials-product__variant {
    border-right: none;
  }

  .materials-product__gallery {
    grid-template-columns: 1fr;
  }

  .materials-specs__col:first-child {
    border-right: none;
    border-bottom: var(--border);
  }

  .materials-specs__col {
    padding: 2rem;
  }

  .about-left,
  .contact-left {
    border-right: none;
    border-bottom: var(--border);
    padding: 8rem 2rem 3rem;
  }

  .about-right,
  .contact-right {
    padding: 3rem 2rem;
  }

  .material-detail__back {
    padding: 1.5rem 2rem;
  }

  .material-detail__header {
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem 2rem;
  }

  .material-detail__intro {
    padding: 2rem;
  }

  .material-detail__variants {
    grid-template-columns: 1fr;
  }

  .material-detail__variant {
    border-right: none;
  }

  .material-detail__gallery {
    grid-template-columns: 1fr;
  }

  .material-detail__swatches-section {
    padding: 2rem;
  }

  .material-detail__swatches {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .material-detail__variants-section {
    padding: 2rem;
  }

  .material-detail__variants-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem 1rem;
  }

  .project-detail__header {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .project-detail__gallery {
    grid-template-columns: 1fr;
  }

  .bracket-grid {
    font-size: 0.45rem;
  }

  .bracket-grid .studio-name {
    font-size: 1.1rem;
    letter-spacing: 0.15em;
  }

  .bracket-grid .highlight {
    font-size: 0.9rem;
  }

  .page-header {
    padding: 6rem 1.5rem 2rem;
  }
}