/* ============================================================
   M.M WOOD — Artisanal Heritage Design System
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Libre+Caslon+Text:ital,wght@0,400;0,700;1,400&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400&family=Raleway:wght@100;200;300;400&display=swap');

/* ============================================================
   1. DESIGN TOKENS
   ============================================================ */
:root {
  /* Colors */
  --walnut: #3d2b1f;
  --bone: #fbf9f4;
  --oak: #8b6f47;
  --charred: #1a1a18;
  --ash: #d4cfc6;
  --grain: #c9b896;
  --linen: #f0ebe0;
  --walnut-90: rgba(61, 43, 31, 0.9);
  --walnut-60: rgba(61, 43, 31, 0.6);
  --walnut-30: rgba(61, 43, 31, 0.3);
  --walnut-10: rgba(61, 43, 31, 0.1);
  --bone-80: rgba(251, 249, 244, 0.8);
  --oak-light: #a8895f;

  /* Typography */
  --ff-serif:    'Libre Caslon Text', 'Georgia', serif;
  --ff-display:  'Raleway', 'Helvetica Neue', sans-serif;
  --ff-sans:     'Inter', 'Helvetica Neue', sans-serif;
  --ff-mono:     'JetBrains Mono', 'Courier New', monospace;

  --fs-display: clamp(2.8rem, 5vw, 4.5rem);
  --fs-h1: clamp(2.2rem, 4vw, 3.5rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.5rem);
  --fs-h3: clamp(1.2rem, 2vw, 1.75rem);
  --fs-body: clamp(1rem, 1.1vw, 1.125rem);
  --fs-small: 0.875rem;
  --fs-caption: 0.75rem;
  --fs-mono: 0.8125rem;

  --lh-tight: 1.15;
  --lh-heading: 1.25;
  --lh-body: 1.7;

  --ls-tight: -0.02em;
  --ls-normal: 0;
  --ls-wide: 0.08em;
  --ls-ultra: 0.15em;

  /* Spacing Scale */
  --sp-4: 0.25rem;
  --sp-8: 0.5rem;
  --sp-12: 0.75rem;
  --sp-16: 1rem;
  --sp-24: 1.5rem;
  --sp-32: 2rem;
  --sp-48: 3rem;
  --sp-64: 4rem;
  --sp-96: 6rem;
  --sp-128: 8rem;

  /* Layout */
  --max-width: 1200px;
  --max-narrow: 800px;

  /* Timing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 200ms;
  --dur-normal: 400ms;
  --dur-slow: 800ms;
  --dur-reveal: 1200ms;

  /* Borders */
  --border-fine: 1px solid var(--ash);
  --border-walnut: 1px solid var(--walnut-30);
}


/* ============================================================
   2. 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;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--ff-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--walnut);
  background-color: var(--bone);
  overflow-x: hidden;
}

::selection {
  background-color: var(--grain);
  color: var(--walnut);
}

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

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

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

ul,
ol {
  list-style: none;
}


/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */
h1,
h2,
h3,
h4 {
  font-family: var(--ff-serif);
  font-weight: 400;
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-tight);
}

h1 {
  font-size: var(--fs-h1);
}

h2 {
  font-size: var(--fs-h2);
}

h3 {
  font-size: var(--fs-h3);
}

.display-text {
  font-family: var(--ff-serif);
  font-size: var(--fs-display);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
}

.chapter-label {
  font-family: var(--ff-sans);
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: var(--ls-ultra);
  text-transform: uppercase;
  color: var(--oak);
}

.specimen-label {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  letter-spacing: var(--ls-wide);
  color: var(--walnut-60);
}

.pull-quote {
  font-family: var(--ff-serif);
  font-size: var(--fs-h2);
  font-style: italic;
  line-height: var(--lh-heading);
  color: var(--walnut);
  max-width: 700px;
}

p+p {
  margin-top: var(--sp-24);
}

/* ============================================================
   4. LAYOUT
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-32);
}

.container--narrow {
  max-width: var(--max-narrow);
}

.section {
  padding: var(--sp-128) 0;
}

.section--sm {
  padding: var(--sp-96) 0;
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-64);
  align-items: center;
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-48);
}

.grid-2col--asymmetric {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--sp-64);
  align-items: start;
}

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


/* ============================================================
   5. NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--sp-24) 0;
  transition: background-color var(--dur-normal) var(--ease-out),
    padding var(--dur-normal) var(--ease-out),
    box-shadow var(--dur-normal) var(--ease-out);
}

.nav--scrolled {
  background-color: var(--bone-80);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--sp-16) 0;
  box-shadow: 0 1px 0 var(--ash);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-32);
}

.nav__logo {
  font-family: var(--ff-display);
  font-size: 1.15rem;
  font-weight: 200;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--walnut);
  display: flex;
  align-items: center;
  gap: var(--sp-12);
}

.nav__logo svg {
  width: 32px;
  height: 32px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-48);
}

.nav__link {
  font-family: var(--ff-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  position: relative;
  padding: var(--sp-4) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--oak);
  transition: width var(--dur-normal) var(--ease-out);
}

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

.nav__link--active {
  color: var(--oak);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-8);
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--walnut);
  transition: transform var(--dur-normal) var(--ease-out),
    opacity var(--dur-fast);
}

.nav__hamburger--open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav__hamburger--open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger--open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}


/* ============================================================
   6. HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: var(--sp-128) 0 var(--sp-96);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

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

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
      rgba(26, 26, 24, 0.75) 0%,
      rgba(26, 26, 24, 0.35) 40%,
      rgba(26, 26, 24, 0.15) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  color: var(--bone);
  max-width: 700px;
}

.hero__subtitle {
  font-family: var(--ff-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: var(--ls-ultra);
  text-transform: uppercase;
  color: var(--grain);
  margin-bottom: var(--sp-24);
}

.hero__title {
  color: var(--bone);
  margin-bottom: var(--sp-32);
}

.hero__description {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--ash);
  max-width: 500px;
  margin-bottom: var(--sp-48);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--sp-48);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-8);
  color: var(--ash);
  animation: float 3s var(--ease-in-out) infinite;
}

.hero__scroll-indicator span {
  font-size: var(--fs-caption);
  letter-spacing: var(--ls-ultra);
  text-transform: uppercase;
}

.hero__scroll-indicator svg {
  width: 20px;
  height: 20px;
  stroke: var(--ash);
}

@keyframes float {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

/* Page Hero (Portfolio, Story, etc.) */
.page-hero {
  padding: calc(var(--sp-128) + 80px) 0 var(--sp-96);
  background-color: var(--bone);
  border-bottom: var(--border-fine);
}

.page-hero__label {
  margin-bottom: var(--sp-16);
}

.page-hero__title {
  margin-bottom: var(--sp-24);
}

.page-hero__description {
  max-width: 600px;
  color: var(--walnut-60);
}


/* ============================================================
   7. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-8);
  font-family: var(--ff-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: var(--sp-16) var(--sp-32);
  border: 1px solid transparent;
  transition: all var(--dur-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background-color: var(--walnut);
  color: var(--bone);
  border-color: var(--walnut);
}

.btn--primary:hover {
  background-color: var(--oak);
  border-color: var(--oak);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(61, 43, 31, 0.2);
}

.btn--outline {
  background-color: transparent;
  color: var(--walnut);
  border-color: var(--walnut);
}

.btn--outline:hover {
  background-color: var(--walnut);
  color: var(--bone);
  transform: translateY(-2px);
}

.btn--light {
  background-color: var(--bone);
  color: var(--walnut);
  border-color: var(--bone);
}

.btn--light:hover {
  background-color: var(--linen);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(251, 249, 244, 0.3);
}

.btn svg {
  width: 16px;
  height: 16px;
  transition: transform var(--dur-normal) var(--ease-out);
}

.btn:hover svg {
  transform: translateX(4px);
}


/* ============================================================
   8. CARDS
   ============================================================ */

/* Featured Card */
.featured-card {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: var(--sp-64);
  align-items: center;
}

.featured-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.featured-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

.featured-card:hover .featured-card__image img {
  transform: scale(1.03);
}

.featured-card__meta {
  display: flex;
  flex-direction: column;
  gap: var(--sp-24);
}

.featured-card__series {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  color: var(--oak);
  letter-spacing: var(--ls-wide);
}

.featured-card__title {
  margin-bottom: var(--sp-8);
}

.featured-card__material {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  color: var(--walnut-60);
  letter-spacing: var(--ls-wide);
  padding-top: var(--sp-16);
  border-top: var(--border-fine);
}


/* ============================================================
   9. MASONRY PORTFOLIO GRID
   ============================================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: var(--sp-24);
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background-color: var(--linen);
}

.portfolio-item--tall {
  grid-row: span 2;
}

.portfolio-item--wide {
  grid-column: span 2;
}

.portfolio-item__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out),
    filter var(--dur-normal) var(--ease-out);
}

.portfolio-item:hover .portfolio-item__image {
  transform: scale(1.05);
  filter: brightness(0.8);
}

.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-32);
  background: linear-gradient(to top,
      rgba(26, 26, 24, 0.8) 0%,
      transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-normal) var(--ease-out);
}

.portfolio-item:hover .portfolio-item__overlay {
  opacity: 1;
}

.portfolio-item__tag {
  font-family: var(--ff-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--ls-ultra);
  text-transform: uppercase;
  color: var(--grain);
  margin-bottom: var(--sp-8);
}

.portfolio-item__title {
  font-family: var(--ff-serif);
  font-size: var(--fs-h3);
  color: var(--bone);
  margin-bottom: var(--sp-8);
}

.portfolio-item__material {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  color: var(--ash);
  letter-spacing: var(--ls-wide);
}

/* Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-32);
  padding-bottom: var(--sp-48);
  border-bottom: var(--border-fine);
  margin-bottom: var(--sp-48);
}

.footer__logo {
  font-family: var(--ff-display);
  font-size: 1.2rem;
  font-weight: 200;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--grain);
  line-height: 1;
}

.filter-btn {
  font-family: var(--ff-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--walnut-60);
  padding: var(--sp-8) var(--sp-4);
  position: relative;
  transition: color var(--dur-normal) var(--ease-out);
}

.filter-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--oak);
  transition: width var(--dur-normal) var(--ease-out);
}

.filter-btn:hover,
.filter-btn--active {
  color: var(--walnut);
}

.filter-btn--active::after {
  width: 100%;
}

/* Portfolio item transitions for filtering */
.portfolio-item {
  transition: opacity var(--dur-normal) var(--ease-out),
    transform var(--dur-normal) var(--ease-out);
}

.portfolio-item--hidden {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}


/* ============================================================
   10. SPEC TABLE (Project Detail)
   ============================================================ */
.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table caption {
  font-family: var(--ff-sans);
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: var(--ls-ultra);
  text-transform: uppercase;
  color: var(--oak);
  text-align: left;
  padding-bottom: var(--sp-24);
}

.spec-table tr {
  border-bottom: var(--border-fine);
}

.spec-table td {
  padding: var(--sp-16) 0;
  vertical-align: top;
}

.spec-table td:first-child {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  color: var(--walnut-60);
  letter-spacing: var(--ls-wide);
  width: 200px;
  text-transform: uppercase;
}

.spec-table td:last-child {
  font-family: var(--ff-sans);
  font-size: var(--fs-body);
  color: var(--walnut);
}


/* ============================================================
   11. FIGURE CALLOUTS
   ============================================================ */
.figure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-32);
}

.figure-item {
  display: flex;
  flex-direction: column;
  gap: var(--sp-16);
}

.figure-item__image {
  aspect-ratio: 1;
  overflow: hidden;
  background-color: var(--linen);
}

.figure-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

.figure-item:hover .figure-item__image img {
  transform: scale(1.05);
}

.figure-item__label {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  color: var(--oak);
  letter-spacing: var(--ls-wide);
}

.figure-item__caption {
  font-size: var(--fs-small);
  color: var(--walnut-60);
  line-height: var(--lh-body);
}


/* ============================================================
   12. ARTISAN CARDS
   ============================================================ */
.artisan-card {
  text-align: center;
}

.artisan-card__portrait {
  aspect-ratio: 3/4;
  overflow: hidden;
  margin-bottom: var(--sp-24);
  background-color: var(--linen);
}

.artisan-card__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%);
  transition: filter var(--dur-normal) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}

.artisan-card:hover .artisan-card__portrait img {
  filter: grayscale(0%);
  transform: scale(1.03);
}

.artisan-card__name {
  font-family: var(--ff-serif);
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-4);
}

.artisan-card__role {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  color: var(--oak);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  margin-bottom: var(--sp-16);
}

.artisan-card__bio {
  font-size: var(--fs-small);
  color: var(--walnut-60);
  line-height: var(--lh-body);
  max-width: 300px;
  margin: 0 auto;
}


/* ============================================================
   13. MATERIAL LEGEND
   ============================================================ */
.material-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--sp-32);
  padding: var(--sp-32) 0;
  border-bottom: var(--border-fine);
  align-items: start;
}

.material-card__swatch {
  width: 120px;
  height: 120px;
  overflow: hidden;
}

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

.material-card__name {
  font-family: var(--ff-serif);
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-4);
}

.material-card__latin {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  color: var(--walnut-60);
  font-style: italic;
  margin-bottom: var(--sp-16);
}

.material-card__description {
  font-size: var(--fs-small);
  color: var(--walnut-60);
  line-height: var(--lh-body);
}


/* ============================================================
   14. NEWSLETTER
   ============================================================ */
.newsletter {
  text-align: center;
  padding: var(--sp-96) 0;
  background-color: var(--bone);
}

.newsletter__label {
  margin-bottom: var(--sp-16);
}

.newsletter__title {
  margin-bottom: var(--sp-16);
}

.newsletter__subtitle {
  color: var(--walnut-60);
  margin-bottom: var(--sp-48);
  max-width: 450px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter__form {
  display: flex;
  align-items: stretch;
  max-width: 480px;
  margin: 0 auto;
  gap: 0;
}

.newsletter__input {
  flex: 1;
  font-family: var(--ff-sans);
  font-size: var(--fs-small);
  padding: var(--sp-16) var(--sp-24);
  border: var(--border-walnut);
  background: transparent;
  color: var(--walnut);
  outline: none;
  transition: border-color var(--dur-normal) var(--ease-out);
}

.newsletter__input::placeholder {
  color: var(--walnut-30);
}

.newsletter__input:focus {
  border-color: var(--oak);
}

.newsletter__btn {
  font-family: var(--ff-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: var(--sp-16) var(--sp-32);
  background-color: var(--walnut);
  color: var(--bone);
  border: 1px solid var(--walnut);
  transition: background-color var(--dur-normal) var(--ease-out);
  white-space: nowrap;
}

.newsletter__btn:hover {
  background-color: var(--oak);
  border-color: var(--oak);
}


/* ============================================================
   15. CTA BANNER
   ============================================================ */
.cta-banner {
  background-color: var(--walnut);
  color: var(--bone);
  padding: var(--sp-96) 0;
  text-align: center;
}

.cta-banner__title {
  color: var(--bone);
  margin-bottom: var(--sp-16);
}

.cta-banner__subtitle {
  color: var(--ash);
  margin-bottom: var(--sp-48);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}


/* ============================================================
   16. BREADCRUMB
   ============================================================ */
.breadcrumb {
  padding: calc(80px + var(--sp-32)) 0 var(--sp-32);
  font-family: var(--ff-sans);
  font-size: var(--fs-small);
  color: var(--walnut-60);
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.breadcrumb a {
  transition: color var(--dur-fast) var(--ease-out);
}

.breadcrumb a:hover {
  color: var(--oak);
}

.breadcrumb__separator {
  color: var(--ash);
}

.breadcrumb__current {
  color: var(--walnut);
}


/* ============================================================
   17. PROJECT NAV
   ============================================================ */
.project-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-48) 0;
  border-top: var(--border-fine);
}

.project-nav__link {
  display: flex;
  align-items: center;
  gap: var(--sp-12);
  font-family: var(--ff-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--walnut-60);
  transition: color var(--dur-normal) var(--ease-out);
}

.project-nav__link:hover {
  color: var(--oak);
}

.project-nav__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--dur-normal) var(--ease-out);
}

.project-nav__link:hover svg {
  transform: translateX(-4px);
}

.project-nav__link--next:hover svg {
  transform: translateX(4px);
}


/* ============================================================
   18. FOOTER
   ============================================================ */
.footer {
  background-color: var(--charred);
  color: var(--ash);
  padding: var(--sp-96) 0 var(--sp-48);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--sp-64);
  margin-bottom: var(--sp-96);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-24);
}



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

.footer__heading {
  font-family: var(--ff-sans);
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: var(--ls-ultra);
  text-transform: uppercase;
  color: var(--grain);
  margin-bottom: var(--sp-24);
}

.footer__link {
  display: block;
  font-size: var(--fs-small);
  color: var(--ash);
  margin-bottom: var(--sp-12);
  transition: color var(--dur-fast) var(--ease-out);
}

.footer__link:hover {
  color: var(--bone);
}

.footer__social {
  display: flex;
  gap: var(--sp-16);
  margin-top: var(--sp-24);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(212, 207, 198, 0.4);
  transition: border-color var(--dur-normal) var(--ease-out),
    background-color var(--dur-normal) var(--ease-out);
}

.footer__social-link:hover {
  border-color: var(--grain);
  background-color: rgba(201, 184, 150, 0.1);
}

.footer__social-link svg {
  width: 16px;
  height: 16px;
  fill: var(--ash);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-48);
  border-top: 1px solid rgba(212, 207, 198, 0.15);
  font-size: var(--fs-caption);
  color: rgba(212, 207, 198, 0.6);
}


/* ============================================================
   19. DIVIDERS & DECORATIONS
   ============================================================ */
.divider {
  width: 60px;
  height: 1px;
  background-color: var(--oak);
  margin: var(--sp-32) 0;
}

.divider--center {
  margin-left: auto;
  margin-right: auto;
}

.section--linen {
  background-color: var(--linen);
}

.section--walnut {
  background-color: var(--walnut);
  color: var(--bone);
}

.heritage-section {
  position: relative;
  padding: var(--sp-128) 0;
  background-color: var(--linen);
  text-align: center;
}

.heritage-section .pull-quote {
  margin: 0 auto;
}

.heritage-section .divider {
  margin: var(--sp-48) auto;
}

.heritage-section__author {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  color: var(--walnut-60);
  letter-spacing: var(--ls-wide);
}


/* ============================================================
   20. PROJECT DETAIL HERO
   ============================================================ */
.project-hero {
  position: relative;
  width: 100%;
  height: 70vh;
  overflow: hidden;
}

.project-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-hero__label {
  position: absolute;
  bottom: var(--sp-48);
  left: var(--sp-48);
  background-color: var(--bone-80);
  backdrop-filter: blur(10px);
  padding: var(--sp-12) var(--sp-24);
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  color: var(--walnut);
  letter-spacing: var(--ls-wide);
}


/* ============================================================
   21. NARRATIVE SECTIONS (Story page)
   ============================================================ */
.narrative {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-64);
  align-items: center;
  padding: var(--sp-96) 0;
  border-bottom: var(--border-fine);
}

.narrative--reverse {
  direction: rtl;
}

.narrative--reverse>* {
  direction: ltr;
}

.narrative__image {
  aspect-ratio: 4/5;
  overflow: hidden;
  background-color: var(--linen);
}

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

.narrative__text {
  display: flex;
  flex-direction: column;
  gap: var(--sp-24);
}

.narrative__number {
  font-family: var(--ff-serif);
  font-size: 4rem;
  color: var(--walnut-10);
  font-weight: 700;
  line-height: 1;
}


/* ============================================================
   22. SCROLL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 100ms;
}

.reveal-delay-2 {
  transition-delay: 200ms;
}

.reveal-delay-3 {
  transition-delay: 300ms;
}

.reveal-delay-4 {
  transition-delay: 400ms;
}


/* ============================================================
   23. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {

  .grid-2col,
  .featured-card,
  .grid-2col--asymmetric {
    grid-template-columns: 1fr;
    gap: var(--sp-48);
  }

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

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

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

  .narrative--reverse {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--sp-24);
  }

  .section {
    padding: var(--sp-96) 0;
  }

  .nav__links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--sp-48);
    background-color: var(--bone);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-normal) var(--ease-out);
  }

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

  .nav__link {
    font-size: 1.25rem;
  }

  .nav__hamburger {
    display: flex;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 300px;
  }

  .portfolio-item--tall,
  .portfolio-item--wide {
    grid-row: span 1;
    grid-column: span 1;
  }

  .figure-grid,
  .grid-3col {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    flex-wrap: wrap;
    gap: var(--sp-16);
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--sp-48);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--sp-16);
    text-align: center;
  }

  .newsletter__form {
    flex-direction: column;
    gap: var(--sp-12);
  }

  .project-nav {
    flex-direction: column;
    gap: var(--sp-32);
    text-align: center;
  }

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


/* ============================================================
   24. UTILITY CLASSES
   ============================================================ */
.mt-16 {
  margin-top: var(--sp-16);
}

.mt-24 {
  margin-top: var(--sp-24);
}

.mt-32 {
  margin-top: var(--sp-32);
}

.mt-48 {
  margin-top: var(--sp-48);
}

.mt-64 {
  margin-top: var(--sp-64);
}

.mb-16 {
  margin-bottom: var(--sp-16);
}

.mb-24 {
  margin-bottom: var(--sp-24);
}

.mb-32 {
  margin-bottom: var(--sp-32);
}

.mb-48 {
  margin-bottom: var(--sp-48);
}

.mb-64 {
  margin-bottom: var(--sp-64);
}

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