/* =========================================================================
   Footprints Design Inc. — Design System
   Editorial, architectural, gallery-tone. Premium understated.
   ========================================================================= */

/* ---------- Tokens ---------- */
:root {
  --color-indigo: #3D426B;
  --color-indigo-deep: #1F2235;
  --color-silver: #B9BAC4;
  --color-silver-soft: #ECECEF;
  --color-paper: #FAFAFA;
  --color-ink: #1F2235;
  --color-ink-soft: #4A4D6B;
  --color-line: #E2E3E8;

  --font-display: 'Space Grotesk', 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Space Grotesk', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;

  --tracking-wide: 0.18em;
  --tracking-wider: 0.28em;
  --tracking-widest: 0.42em;

  --max-width: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
  --section-y: clamp(72px, 10vw, 144px);

  --radius: 2px;
  --transition: 480ms cubic-bezier(.2,.7,.2,1);
  --transition-fast: 220ms cubic-bezier(.2,.7,.2,1);

  --shadow-soft: 0 24px 60px -28px rgba(31, 34, 53, 0.18);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, picture, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-indigo); }
button { font: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }

::selection { background: var(--color-indigo); color: var(--color-paper); }

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-indigo);
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--color-indigo);
  opacity: 0.6;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300;
  color: var(--color-indigo);
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0.02em;
}
h1 { font-size: clamp(40px, 8vw, 120px); letter-spacing: -0.01em; font-weight: 300; }
h2 { font-size: clamp(28px, 4.8vw, 56px); font-weight: 300; }
h3 { font-size: clamp(20px, 2.4vw, 28px); font-weight: 400; letter-spacing: 0.04em; }
h4 { font-size: 14px; font-weight: 500; letter-spacing: var(--tracking-wide); text-transform: uppercase; }

.display {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(48px, 11vw, 168px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--color-indigo);
}
.display em {
  font-style: italic;
  font-family: var(--font-serif);
  font-weight: 300;
  color: var(--color-ink-soft);
}

p { margin: 0 0 1.25em; max-width: 62ch; }
.lede { font-size: clamp(17px, 1.6vw, 21px); line-height: 1.55; color: var(--color-ink-soft); max-width: 56ch; }
.meta { font-family: var(--font-display); font-size: 11px; letter-spacing: var(--tracking-wider); text-transform: uppercase; color: var(--color-ink-soft); }

hr.divider {
  border: 0;
  border-top: 1px solid var(--color-line);
  margin: 0;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}
section { padding: var(--section-y) 0; position: relative; }
.section-tight { padding: calc(var(--section-y) * 0.6) 0; }

.grid { display: grid; gap: var(--gutter); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 901px) and (max-width: 1100px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- Navigation ---------- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(250, 250, 250, 0.78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), padding var(--transition-fast);
}
.site-nav.is-scrolled {
  border-bottom-color: var(--color-line);
  padding-top: 12px;
  padding-bottom: 12px;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--color-indigo);
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  font-size: 13px;
  text-transform: uppercase;
}
/* Wordmark is the entire top-left brand. Significantly larger so the
   architectural lockup reads at a glance — the official artwork scales
   cleanly because it's an SVG. */
.nav-brand .mark { width: 44px; height: 30px; color: var(--color-indigo); }   /* used only in footer lockup */
.nav-brand .mark svg { width: 100%; height: 100%; }
.nav-brand .wordmark { display: inline-flex; align-items: center; }
.nav-brand .wordmark svg {
  display: block;
  height: clamp(56px, 6vw, 80px);
  width: auto;
}
/* When the page has scrolled and the nav tightens, also tighten the wordmark
   so the brand never crowds the content beneath. */
.site-nav.is-scrolled .nav-brand .wordmark svg { height: clamp(48px, 5vw, 64px); }

@media (max-width: 900px) {
  .nav-brand .wordmark svg { height: 56px; }
  .site-nav.is-scrolled .nav-brand .wordmark svg { height: 48px; }
}
@media (max-width: 560px) {
  .nav-brand .wordmark svg { height: 48px; }
  .site-nav.is-scrolled .nav-brand .wordmark svg { height: 40px; }
}
@media (max-width: 380px) {
  .nav-brand .wordmark svg { height: 40px; }
}

.nav-menu {
  display: flex; align-items: center; gap: clamp(20px, 3vw, 36px);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-soft);
}
.nav-menu a { position: relative; padding: 6px 0; }
.nav-menu a::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--color-indigo);
  transform-origin: left; transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-menu a:hover::after, .nav-menu a.is-current::after { transform: scaleX(1); }
.nav-menu a.is-current { color: var(--color-indigo); }

.nav-cta { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border: 1px solid var(--color-indigo); color: var(--color-indigo); font-size: 11px; letter-spacing: var(--tracking-wider); text-transform: uppercase; border-radius: var(--radius); transition: background var(--transition-fast), color var(--transition-fast); }
.nav-cta:hover { background: var(--color-indigo); color: var(--color-paper); }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; color: var(--color-indigo); }
.nav-toggle span { display: block; width: 24px; height: 1px; background: currentColor; margin: 6px 0; transition: transform var(--transition-fast), opacity var(--transition-fast); }

@media (max-width: 900px) {
  .nav-menu, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .site-nav.is-open .nav-menu {
    display: flex; flex-direction: column; gap: 18px;
    position: fixed; inset: 72px 0 auto 0;
    background: var(--color-paper);
    padding: 32px var(--gutter) 48px;
    border-bottom: 1px solid var(--color-line);
  }
  .site-nav.is-open .nav-cta { display: inline-flex; margin: 6px var(--gutter) 28px; }
  .site-nav.is-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-nav.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .site-nav.is-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 28px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid var(--color-indigo);
  background: transparent;
  color: var(--color-indigo);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}
.btn:hover { background: var(--color-indigo); color: var(--color-paper); }
.btn-solid { background: var(--color-indigo); color: var(--color-paper); }
.btn-solid:hover { background: var(--color-indigo-deep); color: var(--color-paper); }
.btn-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 12px; letter-spacing: var(--tracking-wider); text-transform: uppercase;
  color: var(--color-indigo); padding: 6px 0;
  border-bottom: 1px solid var(--color-indigo);
  transition: gap var(--transition-fast);
}
.btn-link:hover { gap: 16px; }
.btn .arrow, .btn-link .arrow { width: 14px; height: 1px; background: currentColor; position: relative; }
.btn .arrow::after, .btn-link .arrow::after { content:""; position:absolute; right:0; top:-3px; width: 7px; height: 7px; border-right: 1px solid currentColor; border-top: 1px solid currentColor; transform: rotate(45deg); }

/* ---------- Footprint motif classes ---------- */
.footprint-watermark {
  position: absolute;
  pointer-events: none;
  color: var(--color-silver);
  opacity: 0.16;
  width: clamp(280px, 38vw, 520px);
  z-index: 0;
}
.footprint-hero {
  position: absolute;
  pointer-events: none;
  color: var(--color-silver);
  opacity: 0.18;
  width: clamp(360px, 50vw, 720px);
  right: -8%;
  bottom: -18%;
  z-index: 0;
}
.footprint-corner {
  position: absolute;
  pointer-events: none;
  color: var(--color-silver);
  opacity: 0.14;
  width: clamp(220px, 26vw, 380px);
  left: -6%; bottom: -10%;
  z-index: 0;
}
.footprint-section {
  position: absolute;
  pointer-events: none;
  color: var(--color-silver);
  opacity: 0.12;
  width: clamp(240px, 28vw, 420px);
  right: -4%; top: 6%;
  z-index: 0;
}
.footprint-inline-mark {
  display: inline-block;
  width: 56px;
  height: 36px;
  color: var(--color-indigo);
  vertical-align: middle;
}
.footprint-inline-mark svg { width: 100%; height: 100%; }

/* keep content above the watermarks */
.container, section > * { position: relative; z-index: 1; }

/* ---------- Hero ---------- */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  padding-top: 160px;
  padding-bottom: var(--section-y);
  position: relative;
  overflow: hidden;
}
.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero h1 { max-width: 16ch; }
.hero .lede { margin-top: 32px; }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 32px 56px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--color-line);
}
.hero-meta .stat { display: flex; flex-direction: column; gap: 6px; }
.hero-meta .stat .num { font-family: var(--font-display); font-size: 28px; font-weight: 300; color: var(--color-indigo); }
.hero-meta .stat .label { font-size: 11px; letter-spacing: var(--tracking-wider); text-transform: uppercase; color: var(--color-ink-soft); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 44px; }

/* ---------- Page header (interior pages) ---------- */
.page-header {
  padding-top: 200px;
  padding-bottom: clamp(56px, 8vw, 112px);
  position: relative;
  overflow: hidden;
}
.page-header h1 { max-width: 18ch; }
.page-header .lede { margin-top: 28px; }
.page-header .eyebrow { margin-bottom: 28px; }

/* ---------- Project cards / gallery ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(28px, 4vw, 56px) clamp(20px, 3vw, 40px);
}
.project-card {
  grid-column: span 6;
  display: flex; flex-direction: column;
  position: relative;
}
.project-card.is-tall { grid-column: span 6; }
.project-card.is-wide { grid-column: span 12; }
.project-card.is-half { grid-column: span 6; }
.project-card.is-third { grid-column: span 4; }
@media (max-width: 900px) {
  .project-card,
  .project-card.is-tall,
  .project-card.is-wide,
  .project-card.is-half,
  .project-card.is-third { grid-column: span 12; }
}

.project-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-silver-soft);
  overflow: hidden;
}
.project-card.is-tall .project-cover { aspect-ratio: 3 / 4; }
.project-card.is-wide .project-cover { aspect-ratio: 16 / 7; }
.project-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 800ms cubic-bezier(.2,.7,.2,1);
}
.project-card:hover .project-cover img { transform: scale(1.03); }

.project-cover .placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-silver);
  font-family: var(--font-display); font-size: 11px; letter-spacing: var(--tracking-widest); text-transform: uppercase;
  background:
    linear-gradient(135deg, var(--color-silver-soft) 0%, #F4F4F6 100%);
}
.project-cover .placeholder svg { width: 38%; opacity: 0.5; }

.project-meta {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-top: 18px;
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: var(--tracking-wider); text-transform: uppercase;
  color: var(--color-ink-soft);
}
.project-title {
  margin-top: 8px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 2vw, 26px);
  color: var(--color-indigo);
  letter-spacing: 0.01em;
}
.project-description { margin-top: 10px; color: var(--color-ink-soft); font-size: 15px; }
.project-card .btn-link { margin-top: 18px; align-self: flex-start; }

/* ---------- Home page: small "Browse by category" strip ---------- */
.home-category-strip { margin-top: clamp(56px, 6vw, 96px); }
.home-category-strip .strip-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: clamp(28px, 3.5vw, 44px);
}
.home-category-strip .strip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(20px, 2.4vw, 32px);
}
.home-category-strip .strip-card {
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  transition: transform 320ms cubic-bezier(.2,.7,.2,1);
}
.home-category-strip .strip-card:hover { transform: translateY(-2px); }
.home-category-strip .strip-card-cover {
  position: relative;
  aspect-ratio: 5 / 4;
  background: var(--color-silver-soft);
  margin: 0;
  overflow: hidden;
}
.home-category-strip .strip-card-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 800ms cubic-bezier(.2,.7,.2,1);
}
.home-category-strip .strip-card:hover .strip-card-cover img { transform: scale(1.04); }
.home-category-strip .strip-card-body { padding-top: 14px; }
.home-category-strip .strip-card-body h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-indigo);
  letter-spacing: 0.005em;
  margin: 0;
}
.home-category-strip .strip-card-body .meta {
  margin-top: 4px;
  color: var(--color-silver);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- Gallery: category-album index + category-detail view ---------- */
.album-index-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: clamp(40px, 5vw, 64px);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-line);
}
.album-index-head .meta { color: var(--color-silver); letter-spacing: 0.12em; }
.album-index-hint { max-width: 60ch; margin: 0; font-size: 14px; }

.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: clamp(32px, 4vw, 56px);
}

.category-album {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  transition: transform 320ms cubic-bezier(.2,.7,.2,1), box-shadow 320ms ease, border-color 320ms ease;
}
.category-album:hover {
  transform: translateY(-3px);
  border-color: var(--color-indigo);
}
.category-album-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-silver-soft);
  overflow: hidden;
  margin: 0;
}
.category-album-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 800ms cubic-bezier(.2,.7,.2,1);
}
.category-album:hover .category-album-cover img { transform: scale(1.04); }
.category-album-cover .placeholder { position: absolute; inset: 0; }

.category-album-body {
  display: flex; flex-direction: column; gap: 10px;
  padding: clamp(24px, 3vw, 32px) clamp(22px, 3vw, 28px);
}
.category-album-body h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 400;
  color: var(--color-indigo);
  letter-spacing: 0.005em;
  margin: 0;
}
.category-album-blurb {
  color: var(--color-ink-soft);
  font-size: 14px;
  line-height: 1.6;
  margin: 4px 0 0;
  max-width: 38ch;
}
.category-album-counts {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px;
  margin-top: 6px;
  color: var(--color-silver);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.category-album-counts .dot-sep { color: var(--color-line); }
.category-album-cta { margin-top: 14px; align-self: flex-start; }

/* Category detail view */
.breadcrumb { margin: -8px 0 28px; font-family: var(--font-display); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; }
.breadcrumb ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.breadcrumb a { color: var(--color-ink-soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-indigo); }
.breadcrumb [aria-current="page"] { color: var(--color-indigo); }
.breadcrumb .bc-sep { color: var(--color-silver); margin-left: 10px; }

.album-detail-head {
  max-width: 720px;
  margin-bottom: clamp(40px, 5vw, 64px);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-line);
}
.album-detail-head h2 {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 300;
  color: var(--color-indigo);
  margin: 10px 0 0;
}
.album-detail-head .lede { color: var(--color-ink-soft); margin-top: 16px; }

.project-album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: clamp(28px, 3.5vw, 44px);
}
.project-album {
  display: flex; flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform 320ms cubic-bezier(.2,.7,.2,1);
}
.project-album:hover { transform: translateY(-2px); }
.project-album-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  margin: 0;
  background: var(--color-silver-soft);
  overflow: hidden;
}
.project-album-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 800ms cubic-bezier(.2,.7,.2,1);
}
.project-album:hover .project-album-cover img { transform: scale(1.03); }
.project-album-body { padding-top: 16px; }
.project-album-body h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 400;
  color: var(--color-indigo);
  letter-spacing: 0.005em;
  margin: 0;
}
.project-album-body .meta {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 6px;
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-silver);
}
.project-album-body .meta .dot-sep { color: var(--color-line); }

.album-detail-foot { margin-top: clamp(48px, 6vw, 80px); }
.album-detail-foot .arrow-back { transform: rotate(180deg); display: inline-block; }

/* ---------- Project board: legacy filter chips + per-category sections (no longer used on /projects but kept for any in-page reuse) ---------- */
.project-board { display: block; }   /* override potential grid styling from any older markup */

.project-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 0 0 clamp(40px, 5vw, 64px);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
}
.project-filter .chip {
  appearance: none;
  border: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-ink-soft);
  font: inherit;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 9px 14px;
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}
.project-filter .chip span {
  margin-left: 8px;
  color: var(--color-silver);
  letter-spacing: 0.08em;
}
.project-filter .chip:hover { color: var(--color-indigo); border-color: var(--color-indigo); }
.project-filter .chip.is-active {
  background: var(--color-indigo);
  border-color: var(--color-indigo);
  color: var(--color-paper);
}
.project-filter .chip.is-active span { color: var(--color-silver-soft); }

.category-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(64px, 8vw, 112px);
}
.category-block { scroll-margin-top: 132px; }   /* fixed-nav offset for in-page scroll */
.category-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: clamp(28px, 3vw, 44px);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
}
.category-head h2 {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 300;
  margin: 4px 0 0;
  color: var(--color-indigo);
  letter-spacing: 0.005em;
}
.category-head .meta { color: var(--color-silver); letter-spacing: 0.12em; }

.category-archive {
  margin-top: clamp(32px, 4vw, 48px);
  border-top: 1px solid var(--color-line);
  padding-top: 20px;
}
.category-archive > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 0 14px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  transition: color 200ms ease;
}
.category-archive > summary::-webkit-details-marker { display: none; }
.category-archive > summary::before {
  content: '+';
  display: inline-block;
  margin-right: 10px;
  color: var(--color-indigo);
  font-weight: 400;
  transition: transform 200ms ease;
}
.category-archive[open] > summary::before { content: '−'; }
.category-archive > summary:hover { color: var(--color-indigo); }
.category-archive .archive-count { color: var(--color-silver); font-size: 11px; }

.archive-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.archive-list li { border-bottom: 1px solid var(--color-line); }
.archive-list a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  color: var(--color-ink);
  text-decoration: none;
  transition: color 220ms ease, transform 220ms ease;
}
.archive-list a:hover { color: var(--color-indigo); }
.archive-list a:hover .archive-title { transform: translateX(2px); }
.archive-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.005em;
  transition: transform 220ms ease;
  grid-column: 1;
}
.archive-loc {
  display: block;
  grid-column: 1;
  margin-top: 2px;
  color: var(--color-ink-soft);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.archive-year {
  grid-column: 2;
  grid-row: 1 / span 2;
  color: var(--color-silver);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
}

/* ---------- Service / value cards ---------- */
.service-card {
  padding: clamp(28px, 3vw, 44px);
  border: 1px solid var(--color-line);
  background: transparent;
  display: flex; flex-direction: column;
  min-height: 280px;
  position: relative;
  transition: border-color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
}
.service-card:hover { border-color: var(--color-indigo); }
.service-card .num {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: var(--tracking-widest);
  color: var(--color-silver);
  text-transform: uppercase;
}
.service-card h3 { margin-top: 18px; }
.service-card p { margin-top: 14px; color: var(--color-ink-soft); font-size: 15px; }
.service-card .arrow-mark {
  margin-top: auto;
  padding-top: 28px;
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: var(--tracking-wider); text-transform: uppercase;
  color: var(--color-indigo);
  display: inline-flex; align-items: center; gap: 12px;
}

/* ---------- Stats / philosophy row ---------- */
.philosophy {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}
.philosophy h2 { grid-column: span 5; }
.philosophy .body { grid-column: span 7; }
@media (max-width: 900px) {
  .philosophy h2, .philosophy .body { grid-column: span 12; }
}

/* ---------- Testimonial ---------- */
.testimonial {
  padding: clamp(48px, 6vw, 96px) clamp(32px, 5vw, 80px);
  background: var(--color-silver-soft);
  position: relative;
}
.testimonial blockquote {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  color: var(--color-indigo-deep);
  font-size: clamp(22px, 3vw, 36px);
  line-height: 1.4;
  max-width: 28ch;
}
.testimonial cite {
  display: block;
  margin-top: 32px;
  font-style: normal;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 32px;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink-soft);
}
.field input,
.field select,
.field textarea {
  font: inherit;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--color-line);
  padding: 10px 0 12px;
  transition: border-color var(--transition-fast);
  width: 100%;
  border-radius: 0;
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-bottom-color: var(--color-indigo); }
.field .hint { font-size: 12px; color: var(--color-ink-soft); }

.form-status { font-family: var(--font-display); font-size: 12px; letter-spacing: var(--tracking-wider); text-transform: uppercase; }
.form-status[data-state="ok"] { color: var(--color-indigo); }
.form-status[data-state="err"] { color: #B33A3A; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-indigo-deep);
  color: var(--color-silver);
  padding: clamp(72px, 9vw, 120px) 0 28px;
  position: relative;
  overflow: hidden;
}
.site-footer .footprint-watermark { color: var(--color-silver); opacity: 0.08; right: -6%; bottom: -10%; }
.site-footer h4, .site-footer .nav-brand { color: var(--color-paper); }
.site-footer a { color: var(--color-silver); }
.site-footer a:hover { color: var(--color-paper); }
/* The footer brand gets the full lockup at a generous size — it's the studio
   signature at the bottom of every page. */
.site-footer .nav-brand .mark { width: 56px; height: 38px; }
.site-footer .nav-brand .wordmark svg {
  height: clamp(88px, 9vw, 116px);
  width: auto;
}
@media (max-width: 900px) {
  .site-footer .nav-brand .wordmark svg { height: 80px; }
  .site-footer .nav-brand .mark { width: 44px; height: 30px; }
}
@media (max-width: 560px) {
  .site-footer .nav-brand .wordmark svg { height: 64px; }
  .site-footer .nav-brand .mark { width: 38px; height: 26px; }
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
@media (max-width: 900px) { .site-footer .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .site-footer .footer-grid { grid-template-columns: 1fr; } }

.site-footer .footer-col h4 { letter-spacing: var(--tracking-wider); margin-bottom: 18px; }
.site-footer .footer-col ul li { padding: 5px 0; font-size: 14px; }
.site-footer .footer-tagline { font-family: var(--font-serif); font-style: italic; font-size: 18px; max-width: 28ch; color: var(--color-silver); margin-top: 18px; }

.footer-legal {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px;
  padding-top: 28px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-silver);
}

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 900ms cubic-bezier(.2,.7,.2,1), transform 900ms cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.text-indigo { color: var(--color-indigo); }
.text-soft { color: var(--color-ink-soft); }
.muted { color: var(--color-silver); }
.spaced { margin-top: clamp(28px, 4vw, 56px); }
.spaced-lg { margin-top: clamp(56px, 7vw, 96px); }

/* ---------- Project detail ---------- */
.project-hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 40px);
  padding: 32px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  margin-top: clamp(40px, 6vw, 72px);
}
@media (max-width: 700px) { .project-hero-meta { grid-template-columns: repeat(2, 1fr); } }
.project-hero-meta dt { font-family: var(--font-display); font-size: 10px; letter-spacing: var(--tracking-widest); text-transform: uppercase; color: var(--color-ink-soft); margin-bottom: 8px; }
.project-hero-meta dd { margin: 0; font-family: var(--font-display); font-size: 15px; color: var(--color-indigo); }

.project-section h2 { max-width: 18ch; margin-bottom: 28px; }
.project-section .body { max-width: 64ch; color: var(--color-ink-soft); font-size: 16.5px; line-height: 1.7; }
.project-section .body p { color: inherit; max-width: none; }

.project-gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.project-gallery .img { grid-column: span 6; aspect-ratio: 4/3; background: var(--color-silver-soft); overflow: hidden; }
.project-gallery .img.is-wide { grid-column: span 12; aspect-ratio: 16/7; }
.project-gallery .img.is-tall { grid-column: span 6; aspect-ratio: 3/4; }
@media (max-width: 700px) {
  .project-gallery .img, .project-gallery .img.is-tall, .project-gallery .img.is-wide { grid-column: span 12; }
}
.project-gallery .img img { width:100%; height:100%; object-fit: cover; }
.project-gallery .img .placeholder { position: absolute; inset:0; }
.project-gallery .img { position: relative; }
.project-gallery .img-trigger {
  appearance: none;
  border: 0;
  padding: 0;
  background: transparent;
  width: 100%; height: 100%;
  cursor: zoom-in;
  display: block;
  overflow: hidden;
}
.project-gallery .img-trigger img { transition: transform 800ms cubic-bezier(.2,.7,.2,1); }
.project-gallery .img-trigger:hover img { transform: scale(1.03); }
.project-gallery .img-trigger:focus-visible { outline: 2px solid var(--color-indigo); outline-offset: -2px; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(15, 17, 27, 0.94);
  display: grid;
  grid-template-columns: 56px 1fr 56px;
  align-items: center;
  padding: clamp(20px, 4vh, 56px) clamp(12px, 3vw, 32px);
}
.lightbox[hidden] { display: none !important; }
.lightbox .lightbox-figure {
  display: flex; flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0;
  max-height: 100%;
}
.lightbox .lightbox-img {
  max-width: min(92vw, 1400px);
  max-height: calc(100vh - 160px);
  object-fit: contain;
  display: block;
  background: rgba(255,255,255,0.04);
}
.lightbox .lightbox-caption {
  margin-top: 14px;
  color: var(--color-silver);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.04em;
  max-width: 64ch;
  text-align: center;
}
.lightbox button {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--color-paper);
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1;
  cursor: pointer;
  transition: opacity 200ms ease, transform 200ms ease;
}
.lightbox button:disabled { opacity: 0.18; cursor: default; }
.lightbox button:not(:disabled):hover { transform: scale(1.1); }
.lightbox .lightbox-close {
  position: absolute;
  top: clamp(12px, 2vh, 28px);
  right: clamp(12px, 3vw, 32px);
  font-size: 32px;
}
.lightbox .lightbox-prev { justify-self: start; }
.lightbox .lightbox-next { justify-self: end; }
.lightbox .lightbox-counter {
  position: absolute;
  top: clamp(12px, 2vh, 28px);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-silver);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
@media (max-width: 600px) {
  .lightbox { grid-template-columns: 40px 1fr 40px; }
  .lightbox button { font-size: 32px; }
  .lightbox .lightbox-img { max-height: calc(100vh - 140px); }
}

/* ---------- Blog cards ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 4vw, 56px);
}
@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr; } }
@media (min-width: 901px) and (max-width: 1100px) { .blog-grid { grid-template-columns: repeat(2,1fr); } }

.blog-card { display: flex; flex-direction: column; }
.blog-card .cover { aspect-ratio: 4/3; background: var(--color-silver-soft); position: relative; overflow: hidden; }
.blog-card .cover img { width:100%; height:100%; object-fit: cover; transition: transform 800ms; }
.blog-card:hover .cover img { transform: scale(1.03); }
.blog-card .cover .placeholder { position: absolute; inset:0; }
.blog-card .meta { margin-top: 18px; }
.blog-card h3 { margin-top: 10px; max-width: 22ch; }
.blog-card p { margin-top: 12px; font-size: 15px; color: var(--color-ink-soft); }

/* ---------- About specific ---------- */
.about-portrait {
  aspect-ratio: 4/5;
  background: var(--color-silver-soft);
  position: relative;
  overflow: hidden;
}
.about-portrait .placeholder { position: absolute; inset: 0; }

.credentials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 40px;
}
@media (max-width: 700px) { .credentials { grid-template-columns: 1fr; } }
.credential {
  padding: 24px 0;
  border-top: 1px solid var(--color-line);
}
.credential .meta { color: var(--color-silver); }
.credential h4 { margin-top: 6px; color: var(--color-indigo); text-transform: none; letter-spacing: 0.01em; font-size: 17px; font-weight: 400; }
.credential p { margin-top: 6px; font-size: 14px; color: var(--color-ink-soft); }

/* ---------- Contact panel ---------- */
.contact-panel {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
@media (max-width: 900px) { .contact-panel { grid-template-columns: 1fr; } }
.contact-details { display: flex; flex-direction: column; gap: 28px; }
.contact-block .label { font-family: var(--font-display); font-size: 10px; letter-spacing: var(--tracking-widest); text-transform: uppercase; color: var(--color-ink-soft); }
.contact-block .value { margin-top: 6px; font-family: var(--font-display); font-size: 17px; color: var(--color-indigo); font-weight: 400; }
.contact-block .value a:hover { color: var(--color-indigo-deep); }

.social-row { display: flex; flex-wrap: wrap; gap: 16px 22px; margin-top: 14px; }
.social-row a { font-family: var(--font-display); font-size: 11px; letter-spacing: var(--tracking-wider); text-transform: uppercase; color: var(--color-ink-soft); border-bottom: 1px solid var(--color-line); padding-bottom: 4px; }
.social-row a:hover { color: var(--color-indigo); border-bottom-color: var(--color-indigo); }

/* ---------- Placeholder marker ---------- */
.placeholder-note {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: #B33A3A;
  border: 1px dashed #B33A3A;
  padding: 4px 10px;
  margin: 6px 0;
}