/* ──────────────────────────────────────────────────────────────────────
   NAVAJAS ARQUITETOS · Stylesheet
   Mineral greige · soft black · copper · whisper-thin UI
   ────────────────────────────────────────────────────────────────────── */

:root {
  --paper: #EFEDE7;
  --paper-2: #E8E5DE;
  --paper-3: #DCD8CF;
  --ink: #1A1815;
  --ink-2: #6E6862;
  --ink-3: #A09A93;
  --ink-4: #C8C2B8;
  --hairline: rgba(26, 24, 21, 0.10);
  --hairline-2: rgba(26, 24, 21, 0.18);
  --accent: #8C6747;

  --font-display: 'Cormorant Garamond', 'Iowan Old Style', Georgia, serif;
  --font-ui: 'Inter Tight', 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, monospace;

  --pad: clamp(20px, 3vw, 40px);
  --pad-2: clamp(40px, 8vw, 120px);
  --gutter: clamp(12px, 1.4vw, 24px);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="ivory"] {
  --paper: #F4F1EA;
  --paper-2: #ECE8E0;
  --paper-3: #DDD7CC;
}
[data-theme="bone"] {
  --paper: #EFEDE7;
  --paper-2: #E8E5DE;
}
[data-theme="ash"] {
  --paper: #E5E3DD;
  --paper-2: #DDDAD2;
  --paper-3: #CECABF;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--paper); }

body {
  font-family: var(--font-ui);
  font-weight: 300;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'ss01', 'cv11';
  overflow-x: hidden;
  cursor: none;
}

@media (max-width: 900px) { body { cursor: auto; } }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: none; }
@media (max-width: 900px) { button { cursor: pointer; } }

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

/* ─── Type system ─────────────────────────────────────────────────────── */

.label {
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.label-ink { color: var(--ink); }

.num {
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}

.caption {
  font-family: var(--font-ui);
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.01em;
  color: var(--ink-2);
}

.serif {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.serif-roman {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: normal;
  letter-spacing: 0;
}

.lead {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: 0.005em;
  color: var(--ink);
  text-wrap: pretty;
}

.smalldash {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.smalldash::before {
  content: '';
  width: 18px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

/* ─── Layout primitives ───────────────────────────────────────────────── */

.shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page {
  flex: 1;
  padding-top: 56px; /* nav height */
}

.pad-x { padding-left: var(--pad); padding-right: var(--pad); }
.pad-y { padding-top: var(--pad-2); padding-bottom: var(--pad-2); }

.hairline { border-top: 1px solid var(--hairline); }
.hairline-b { border-bottom: 1px solid var(--hairline); }

.col-flow { display: flex; flex-direction: column; }

/* ─── Nav ─────────────────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--hairline);
  transition: background 0.4s var(--ease);
}

.nav-mark {
  font-family: var(--font-ui);
  font-weight: 400;
  letter-spacing: 0.32em;
  font-size: 11.5px;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: none;
}
.nav-mark .bar { width: 1px; height: 14px; background: var(--ink); display: inline-block; }
.nav-mark .mono-n {
  font-family: var(--font-ui);
  font-weight: 200;
  font-size: 18px;
  letter-spacing: 0;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
  position: relative;
  padding: 8px 0;
  transition: color 0.3s var(--ease);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 4px;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s var(--ease);
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--ink); }
.nav-link.active::after { transform: scaleX(1); }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.lang-toggle button {
  background: none; border: none; padding: 0;
  font: inherit;
  letter-spacing: inherit;
  color: var(--ink-3);
  transition: color 0.3s var(--ease);
}
.lang-toggle button.on { color: var(--ink); }
.lang-toggle .sep { color: var(--ink-4); }

/* ─── Custom cursor ───────────────────────────────────────────────────── */

.cursor {
  position: fixed;
  top: 0; left: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ink);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease), height 0.3s var(--ease), opacity 0.2s, background 0.3s;
  mix-blend-mode: difference;
  filter: invert(1);
}
.cursor.hover {
  width: 56px; height: 56px;
  background: transparent;
  border: 1px solid var(--ink);
}
.cursor.text {
  width: 2px; height: 18px;
  border-radius: 1px;
}
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--ink);
  pointer-events: none;
  z-index: 9997;
  transform: translate(-50%, -50%);
  transition: width 0.5s var(--ease), height 0.5s var(--ease), opacity 0.3s;
  mix-blend-mode: difference;
  filter: invert(1);
  opacity: 0.55;
}
.cursor-ring.hover {
  width: 80px; height: 80px;
  opacity: 0.3;
}
.cursor-ring.text { opacity: 0; }
@media (max-width: 900px) { .cursor-ring { display: none; } }

.cursor-label {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  transform: translate(20px, 20px);
  transition: opacity 0.2s;
  opacity: 0;
  white-space: nowrap;
}
.cursor-label.show { opacity: 1; }

/* ─── Image slot styling ──────────────────────────────────────────────── */

image-slot {
  --slot-bg: var(--paper-2);
  --slot-border: var(--hairline);
  background: var(--slot-bg);
  display: block;
  position: relative;
  overflow: hidden;
}

image-slot::part(frame) {
  background: linear-gradient(135deg, var(--paper-2) 0%, var(--paper-3) 100%);
  border-radius: 0;
  box-shadow: inset 0 0 0 1px var(--hairline);
}
image-slot::part(empty) {
  color: var(--ink-3);
}
image-slot::part(ring) {
  border-radius: 0;
  border-color: var(--hairline-2);
}

.slot-cap {
  position: absolute;
  inset: auto 0 0 0;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  pointer-events: none;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  opacity: 0.85;
}
image-slot[data-filled] + .slot-cap {
  opacity: 0;
}

/* slot wrapper that bundles slot + caption with hover */
.frame {
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
}
.frame > image-slot {
  width: 100%;
  height: 100%;
}
.frame .meta-overlay {
  position: absolute;
  left: 18px; bottom: 16px; right: 18px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.frame:hover .meta-overlay,
.frame .meta-overlay.always {
  opacity: 1;
  transform: translateY(0);
}
.meta-overlay .name {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 22px;
  line-height: 1.05;
  color: #fff;
  letter-spacing: 0.005em;
  text-shadow: 0 1px 24px rgba(0,0,0,0.35);
}
.meta-overlay .meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.86);
  text-shadow: 0 1px 16px rgba(0,0,0,0.4);
  text-align: right;
}

/* ─── Hero ────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  height: calc(100vh - 56px);
  min-height: 540px;
  width: 100%;
  overflow: hidden;
}
.hero .frame { position: absolute; inset: 0; }

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 2.2s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

@keyframes kenBurns {
  from { transform: scale(1.06); }
  to   { transform: scale(1.0); }
}
.hero-slide.active .hero-slide-img {
  animation: kenBurns 9.5s var(--ease-out) forwards;
}

.hero .hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(0,0,0,0.16) 0%, transparent 28%, transparent 50%, rgba(0,0,0,0.60) 100%);
  pointer-events: none;
  z-index: 1;
}
.hero-meta {
  position: absolute;
  z-index: 3;
  pointer-events: none;
}
.hero-tag {
  top: 28px; left: var(--pad);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.78);
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero-tag .dot { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,0.78); }
.hero-title {
  bottom: 56px; left: var(--pad);
  max-width: min(820px, 70vw);
}
.hero-title .title-display {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(36px, 5.6vw, 88px);
  line-height: 1.02;
  color: #FFF;
  letter-spacing: -0.008em;
  text-wrap: balance;
  text-shadow: 0 1px 30px rgba(0,0,0,0.30);
}
.hero-title .title-roman {
  font-style: normal;
}
.hero-meta-r {
  bottom: 56px; right: var(--pad);
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
  transition: opacity 0.35s ease;
}
.hero-meta-r.fading { opacity: 0; }
.hero-meta-r .label,
.hero-meta-r .num {
  color: rgba(255,255,255,0.84);
}
.hero-scroll {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.76);
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-scroll .line {
  width: 1px;
  height: 22px;
  background: rgba(255,255,255,0.56);
  animation: scrollPulse 2.4s var(--ease) infinite;
  transform-origin: top center;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.5); opacity: 0.4; }
  50%      { transform: scaleY(1); opacity: 1; }
}

/* ─── Hero slide indicator ────────────────────────────────────────────── */
.hero-dots {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  z-index: 4;
  display: flex;
}
.hero-dot {
  flex: 1;
  height: 100%;
  background: rgba(255,255,255,0.18);
  position: relative;
  overflow: hidden;
}
.hero-dot + .hero-dot { margin-left: 2px; }
.hero-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.88);
  transform: scaleX(0);
  transform-origin: left;
}
.hero-dot.active::after {
  transform: scaleX(1);
  transition: transform 9s linear;
}
.hero-dot.done::after {
  transform: scaleX(1);
  transition: transform 0.2s ease;
}

/* ─── Index section ───────────────────────────────────────────────────── */

.index-row {
  display: grid;
  grid-template-columns: 60px minmax(0,1fr) 200px 90px 60px;
  gap: 24px;
  padding: 22px 0;
  align-items: baseline;
  border-bottom: 1px solid var(--hairline);
  cursor: none;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease);
  position: relative;
}
.index-row:hover {
  padding-left: 16px;
}
.index-row .num { color: var(--ink-3); font-size: 9px; letter-spacing: 0.06em; }
.index-row .name {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.1;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.index-row .meta {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
}
.index-row .arrow {
  font-family: var(--font-mono);
  color: var(--ink-3);
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}
.index-row:hover .arrow { color: var(--ink); transform: translateX(6px); }
.index-row .preview {
  position: absolute;
  pointer-events: none;
  width: 280px;
  height: 360px;
  z-index: 60;
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
  transform: translate(-50%, -50%);
}
.index-row:hover .preview { opacity: 1; }

@media (max-width: 800px) {
  .index-row { grid-template-columns: 36px 1fr 50px; }
  .index-row .meta, .index-row .area { display: none; }
}

/* ─── Mosaic / Gallery grid ───────────────────────────────────────────── */

@keyframes galleryIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

.mosaic {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: clamp(200px, 22vw, 330px);
  gap: 4px;
}
.mosaic .frame {
  position: relative;
  overflow: hidden;
  cursor: none;
  background: var(--paper-2);
  animation: galleryIn 0.6s var(--ease-out) both;
}

/* editorial spans — maps 12-column data to 6-column CSS grid */
.mosaic .span-12             { grid-column: span 6; grid-row: span 2; }
.mosaic .span-9              { grid-column: span 5; }
.mosaic .span-8,
.mosaic .span-7              { grid-column: span 4; }
.mosaic .span-6              { grid-column: span 3; }
.mosaic .span-5,
.mosaic .span-4,
.mosaic .span-3              { grid-column: span 2; }

.mosaic .frame .mosaic-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  pointer-events: none;
  transition: transform 0.8s var(--ease-out);
}
.mosaic .frame:hover .mosaic-img { transform: scale(1.04); }

/* hover overlay */
.mosaic-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 18, 15, 0);
  transition: background 0.4s ease;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mosaic .frame:hover .mosaic-overlay { background: rgba(20, 18, 15, 0.35); }

/* expand icon — circle with + */
.mosaic-expand {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.3s ease, transform 0.3s var(--ease-out);
}
.mosaic-expand::before,
.mosaic-expand::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  background: rgba(255, 255, 255, 0.9);
  transform: translate(-50%, -50%);
}
.mosaic-expand::before { width: 14px; height: 1px; }
.mosaic-expand::after  { width: 1px;  height: 14px; }
.mosaic .frame:hover .mosaic-expand { opacity: 1; transform: scale(1); }

/* index number bottom-right */
.mosaic-idx {
  position: absolute;
  bottom: 11px;
  right: 13px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0);
  transition: color 0.3s ease;
  pointer-events: none;
}
.mosaic .frame:hover .mosaic-idx { color: rgba(255, 255, 255, 0.75); }

@media (max-width: 900px) {
  .mosaic {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: clamp(160px, 20vw, 280px);
  }
  .mosaic .span-12             { grid-column: span 4; }
  .mosaic .span-9              { grid-column: span 4; }
  .mosaic .span-8,
  .mosaic .span-7              { grid-column: span 3; }
  .mosaic .span-6              { grid-column: span 2; }
  .mosaic .span-5,
  .mosaic .span-4,
  .mosaic .span-3              { grid-column: span 1; }
}
@media (max-width: 600px) {
  .mosaic {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: clamp(130px, 34vw, 200px);
  }
  .mosaic .span-12             { grid-column: span 2; grid-row: span 1; }
  .mosaic .span-9,
  .mosaic .span-8,
  .mosaic .span-7              { grid-column: span 2; }
  .mosaic .span-6,
  .mosaic .span-5,
  .mosaic .span-4,
  .mosaic .span-3              { grid-column: span 1; }
}

/* ─── Acervo grid (Home page archive) ─────────────────────────────────── */

.acervo-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: clamp(200px, 22vw, 330px);
  gap: 4px;
}
.acervo-item {
  position: relative;
  overflow: hidden;
  cursor: none;
  background: var(--paper-2);
}
.acervo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  pointer-events: none;
  transition: transform 0.8s var(--ease-out);
}
.acervo-item:hover img { transform: scale(1.04); }

/* editorial spans */
.acervo-grid .span-12        { grid-column: span 6; grid-row: span 2; }
.acervo-grid .span-9         { grid-column: span 5; }
.acervo-grid .span-8,
.acervo-grid .span-7         { grid-column: span 4; }
.acervo-grid .span-6         { grid-column: span 3; }
.acervo-grid .span-5,
.acervo-grid .span-4,
.acervo-grid .span-3         { grid-column: span 2; }

@media (max-width: 900px) {
  .acervo-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: clamp(160px, 20vw, 280px);
  }
  .acervo-grid .span-12            { grid-column: span 4; }
  .acervo-grid .span-9             { grid-column: span 4; }
  .acervo-grid .span-8,
  .acervo-grid .span-7             { grid-column: span 3; }
  .acervo-grid .span-6             { grid-column: span 2; }
  .acervo-grid .span-5,
  .acervo-grid .span-4,
  .acervo-grid .span-3             { grid-column: span 1; }
}
@media (max-width: 600px) {
  .acervo-grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: clamp(130px, 34vw, 200px);
  }
  .acervo-grid .span-12            { grid-column: span 2; grid-row: span 1; }
  .acervo-grid .span-9,
  .acervo-grid .span-8,
  .acervo-grid .span-7             { grid-column: span 2; }
  .acervo-grid .span-6,
  .acervo-grid .span-5,
  .acervo-grid .span-4,
  .acervo-grid .span-3             { grid-column: span 1; }
}

/* ─── Project grid (Projetos page) ────────────────────────────────────── */

.proj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 3.5vw, 60px) clamp(20px, 2.4vw, 40px);
}
.proj-card {
  cursor: none;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.proj-card .frame {
  position: relative;
  padding-top: 125%;
  overflow: hidden;
  background: var(--paper-2);
}
.proj-card .frame .card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 1.4s var(--ease-out);
}
.proj-card:hover .frame .card-img {
  transform: scale(1.03);
}
.proj-card .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}
.proj-card .name {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.1;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.proj-card .num { color: var(--ink-3); }
.proj-card .sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}

@media (max-width: 900px) {
  .proj-grid { grid-template-columns: 1fr 1fr; gap: 32px 16px; }
}
@media (max-width: 540px) {
  .proj-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ─── Filters ─────────────────────────────────────────────────────────── */

.filters {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.filter-btn {
  background: none;
  border: none;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--ink-3);
  position: relative;
  transition: color 0.3s var(--ease);
}
.filter-btn::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.filter-btn:hover { color: var(--ink); }
.filter-btn.on { color: var(--ink); }
.filter-btn.on::after { transform: scaleX(1); }
.filter-btn .ct {
  font-size: 9px;
  margin-left: 6px;
  color: var(--ink-4);
  vertical-align: super;
}

/* ─── Page header ─────────────────────────────────────────────────────── */

.page-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 24px;
  padding: clamp(80px, 14vw, 180px) var(--pad) clamp(48px, 6vw, 80px);
}
.page-header .h-display {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(38px, 6.4vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.008em;
  color: var(--ink);
  text-wrap: balance;
}
.page-header .h-display .roman {
  font-style: normal;
}
.page-header .meta-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  text-align: right;
}

/* ─── Project detail ──────────────────────────────────────────────────── */

.proj-hero {
  height: calc(100vh - 56px);
  min-height: 520px;
  position: relative;
  overflow: hidden;
}
.proj-hero .frame { position: absolute; inset: 0; }

@keyframes heroBreath {
  from { transform: scale(1.05); }
  to   { transform: scale(1); }
}
.proj-hero .frame > * {
  animation: heroBreath 10s var(--ease-out) forwards;
}
.proj-hero .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.36) 100%);
  pointer-events: none;
}
.proj-meta-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  padding: clamp(48px, 6vw, 90px) var(--pad);
  border-bottom: 1px solid var(--hairline);
}
.proj-meta-grid .col-name { grid-column: span 6; }
.proj-meta-grid .col-stat { grid-column: span 2; }
.proj-meta-grid h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(28px, 4vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.008em;
  color: var(--ink);
  margin: 0 0 20px;
  text-wrap: balance;
}
.proj-meta-grid .stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.proj-meta-grid .stat-val {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: normal;
  font-size: 22px;
  line-height: 1.1;
  color: var(--ink);
}
.proj-meta-grid .col-stat:has(.stat-credit) { grid-column: span 4; }
.proj-meta-grid .stat-val.stat-credit {
  font-family: var(--font-ui);
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 0;
  line-height: 1.45;
  color: var(--ink-2);
  text-wrap: pretty;
}
.proj-meta-grid .stat-credit .ig-link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.proj-meta-grid .stat-credit .ig-link:hover {
  color: var(--accent, var(--ink));
  border-color: currentColor;
}
@media (max-width: 900px) {
  .proj-meta-grid .col-name { grid-column: span 12; }
  .proj-meta-grid .col-stat { grid-column: span 6; }
  .proj-meta-grid .col-stat:has(.stat-credit) { grid-column: span 12; }
}

.proj-foot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 80px var(--pad);
  border-top: 1px solid var(--hairline);
  align-items: end;
}
.proj-foot .nav-link-big {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(20px, 2.4vw, 32px);
  line-height: 1.1;
  color: var(--ink);
  cursor: none;
  transition: opacity 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.proj-foot .nav-link-big.right { text-align: right; align-items: flex-end; }
.proj-foot .nav-link-big:hover { opacity: 0.6; }

/* ─── Manifesto / Sobre ───────────────────────────────────────────────── */

.manifesto {
  padding: clamp(80px, 12vw, 180px) var(--pad);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.manifesto .lead-line {
  grid-column: 2 / span 9;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(22px, 3vw, 42px);
  line-height: 1.18;
  color: var(--ink);
  letter-spacing: -0.005em;
  text-wrap: balance;
}
.manifesto .lead-line em {
  font-style: normal;
  color: var(--ink-2);
}
.manifesto .signature {
  grid-column: 11 / span 2;
  align-self: end;
}

.about-split {
  padding: clamp(60px, 9vw, 130px) var(--pad) clamp(80px, 12vw, 160px);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.about-split-text {
  grid-column: 2 / span 5;
  display: flex;
  flex-direction: column;
  gap: 56px;
}
.about-split-text .lead-line {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 2.2vw, 34px);
  line-height: 1.32;
  letter-spacing: -0.005em;
  text-wrap: balance;
  color: var(--ink);
}
.about-split-text .lead-line em {
  font-style: italic;
  color: var(--ink);
}
.about-split-text .lead-line em {
  font-style: normal;
  color: var(--ink-2);
}
.about-split-text .signature {
  display: flex;
  align-items: center;
  gap: 14px;
}
.about-split-img {
  grid-column: 8 / span 4;
}
.about-split-img .frame {
  aspect-ratio: 4 / 5;
  width: 100%;
}
@media (max-width: 900px) {
  .about-split-text { grid-column: 1 / span 12; }
  .about-split-img { grid-column: 1 / span 12; max-width: 70%; }
}

.about-team-row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  padding: 0 var(--pad) 80px;
}
.about-team-row .team-img { grid-column: 2 / span 6; }
.about-team-row .team-img .frame { aspect-ratio: 4 / 5; }
.about-team-row .team-bios { grid-column: 9 / span 3; align-self: end; display: flex; flex-direction: column; gap: 36px; }

.bio h3 {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: 22px;
  margin: 0 0 6px;
  color: var(--ink);
}
.bio .role { color: var(--ink-2); margin-bottom: 12px; }
.bio p { font-size: 12.5px; line-height: 1.6; color: var(--ink-2); margin: 0; text-wrap: pretty; }

@media (max-width: 900px) {
  .about-team-row .team-img { grid-column: 1 / span 12; }
  .about-team-row .team-bios { grid-column: 1 / span 12; }
}

/* ─── Contato ─────────────────────────────────────────────────────────── */

.contact-intro {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  padding: clamp(20px, 4vw, 56px) var(--pad) clamp(40px, 6vw, 80px);
}
.contact-intro .lead-display {
  grid-column: 2 / span 8;
  font-family: var(--font-display);
  font-weight: 300;
  font-style: normal;
  font-size: clamp(22px, 2.6vw, 36px);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--ink);
  text-wrap: balance;
  margin: 0;
}
.contact-intro .lead-display em {
  font-style: italic;
  color: var(--ink);
}
.contact-intro .lead-aside {
  grid-column: 11 / span 2;
  align-self: end;
  text-align: right;
}
@media (max-width: 900px) {
  .contact-intro .lead-display { grid-column: 1 / span 12; }
  .contact-intro .lead-aside { grid-column: 1 / span 12; text-align: left; margin-top: 24px; }
}

.channels {
  display: flex;
  flex-direction: column;
  padding-bottom: clamp(80px, 12vw, 160px);
}
.channel-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 80px;
  gap: 32px;
  align-items: baseline;
  padding: 28px var(--pad);
  border-top: 1px solid var(--hairline);
  transition: padding 0.5s var(--ease), background 0.4s var(--ease);
  cursor: none;
  color: var(--ink);
}
.channel-row:last-child {
  border-bottom: 1px solid var(--hairline);
}
.channel-row:hover {
  padding-left: calc(var(--pad) + 16px);
  background: color-mix(in srgb, var(--ink) 3%, transparent);
}
.channel-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
.channel-value {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: normal;
  font-size: clamp(22px, 2.6vw, 36px);
  line-height: 1.05;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.channel-value .at { color: var(--ink-3); }
.channel-arrow {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--ink-3);
  text-align: right;
  transition: transform 0.4s var(--ease), color 0.3s var(--ease);
}
.channel-row:hover .channel-arrow {
  color: var(--ink);
  transform: translateX(8px);
}
@media (max-width: 900px) {
  .channel-row {
    grid-template-columns: 1fr 40px;
    grid-template-rows: auto auto;
    gap: 8px 16px;
    padding: 22px var(--pad);
  }
  .channel-row:hover { padding-left: var(--pad); }
  .channel-label { grid-column: 1 / span 2; grid-row: 1; }
  .channel-value { grid-column: 1; grid-row: 2; font-size: 22px; }
  .channel-arrow { grid-column: 2; grid-row: 2; align-self: center; }
}

/* ─── Footer ──────────────────────────────────────────────────────────── */

.footer {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  padding: 60px var(--pad) 32px;
  border-top: 1px solid var(--hairline);
  align-items: end;
}
.footer .f-mark { grid-column: span 4; }
.footer .f-cols { grid-column: span 8; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer .f-col h5 {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 300;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 12px;
}
.footer .f-col a, .footer .f-col p {
  display: block;
  font-size: 11.5px;
  color: var(--ink-2);
  margin: 0 0 4px;
  line-height: 1.6;
  transition: color 0.3s var(--ease);
}
.footer .f-col a:hover { color: var(--ink); }
.footer .f-baseline {
  grid-column: span 12;
  display: flex;
  justify-content: space-between;
  padding-top: 32px;
  margin-top: 32px;
  border-top: 1px solid var(--hairline);
}
.footer .f-baseline .label { color: var(--ink-3); }

@media (max-width: 900px) {
  .footer .f-mark { grid-column: span 12; margin-bottom: 32px; }
  .footer .f-cols { grid-column: span 12; grid-template-columns: 1fr 1fr; }
  .footer .f-baseline { flex-direction: column; gap: 12px; }
}

/* ─── Lightbox ────────────────────────────────────────────────────────── */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20,18,15,0.96);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  animation: lightboxIn 0.35s var(--ease) both;
}
@keyframes lightboxIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.lightbox-frame {
  width: min(90vw, 1400px);
  height: 84vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
}
.lightbox-close {
  position: absolute;
  top: 24px; right: 32px;
  background: none; border: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.78);
  cursor: none;
  padding: 8px 12px;
}
.lightbox-close:hover { color: #FFF; }
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  width: 60px; height: 60px;
  color: rgba(255,255,255,0.6);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: none;
  transition: color 0.3s var(--ease);
}
.lightbox-nav:hover { color: #FFF; }
.lightbox-nav.prev { left: 24px; }
.lightbox-nav.next { right: 24px; }
.lightbox-meta {
  position: absolute;
  left: 32px; bottom: 24px; right: 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}
.lightbox-meta .lb-cap {
  opacity: 0.55;
  text-align: right;
  max-width: 42%;
  line-height: 1.5;
}

/* ─── Page transitions ────────────────────────────────────────────────── */

.page-enter {
  animation: pageEnter 0.7s var(--ease-out) both;
}
@keyframes pageEnter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.fade-up.in {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Section dividers / headings ─────────────────────────────────────── */

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 80px var(--pad) 40px;
  gap: 24px;
}
.section-head .left {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.section-head .head-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(22px, 2.4vw, 36px);
  line-height: 1.08;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.section-head .head-title .roman { font-style: normal; }
.section-head .right { text-align: right; }

/* ─── Studio disciplines ──────────────────────────────────────────────── */

.studio-disc-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.disc-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.disc-item {
  display: flex;
  align-items: baseline;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--hairline);
}
.disc-item:first-child {
  border-top: 1px solid var(--hairline);
}
.disc-num {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  flex-shrink: 0;
}
.disc-name {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.08;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.studio-cta-line {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(32px, 5vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.008em;
  color: var(--ink);
  text-wrap: balance;
  max-width: 640px;
  margin: 0;
}

@media (max-width: 800px) {
  .studio-disc-grid { grid-template-columns: 1fr; }
  .disc-label { display: none; }
}

/* ─── Tweak panel positioning override ────────────────────────────────── */

.tweaks-panel-floating {
  font-family: var(--font-ui) !important;
}

/* ═══════════════════════════════════════════════════════════════════════
   MOBILE NAV — hamburger + overlay
   ═══════════════════════════════════════════════════════════════════════ */

.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.4s var(--ease), opacity 0.3s;
  transform-origin: center;
}
.nav-burger.open span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  inset: 0;
  background: var(--paper);
  z-index: 79;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease);
}
.nav-mobile.open { opacity: 1; pointer-events: auto; }
.nav-mobile-link {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(36px, 11vw, 56px);
  color: var(--ink);
  letter-spacing: -0.008em;
  line-height: 1;
  transition: opacity 0.3s var(--ease);
}
.nav-mobile-link:hover { opacity: 0.45; }
.nav-mobile-lang {
  position: absolute;
  bottom: 36px;
  font-size: 11px;
  letter-spacing: 0.22em;
}

@media (max-width: 700px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
}

/* ═══════════════════════════════════════════════════════════════════════
   RESPONSIVE FIXES — 600px and below
   ═══════════════════════════════════════════════════════════════════════ */

@media (max-width: 600px) {

  /* Hero */
  .hero-title { max-width: 90vw; }
  .hero-meta-r { display: none; }

  /* Page header (Trabalho / Sobre pages) */
  .page-header {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .page-header .meta-stack {
    align-items: flex-start;
    text-align: left;
  }

  /* Manifesto */
  .manifesto {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .manifesto .lead-line { grid-column: 1; }
  .manifesto .signature { grid-column: 1; }

  /* Section head (acervo heading) */
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .section-head .right { text-align: left; }

  /* Project foot nav */
  .proj-foot {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 60px var(--pad);
  }
  .proj-foot .nav-link-big.right {
    text-align: left;
    align-items: flex-start;
  }

  /* Project meta stats — 1 per row on very small screens */
  .proj-meta-grid .col-stat { grid-column: span 12; }
  .proj-meta-grid .col-stat:has(.stat-credit) { grid-column: span 12; }

  /* About */
  .about-split-img { max-width: 100%; }
}

/* ═══════════════════════════════════════════════════════════════════════
   LIGHTBOX — mobile
   ═══════════════════════════════════════════════════════════════════════ */

@media (max-width: 700px) {
  .lightbox { padding: 16px; }
  .lightbox-frame {
    width: 100%;
    height: auto;
    min-height: 50vh;
  }
  .lightbox-nav { width: 44px; height: 44px; font-size: 11px; }
  .lightbox-nav.prev { left: 6px; }
  .lightbox-nav.next { right: 6px; }
  .lightbox-close { top: 10px; right: 10px; font-size: 9px; }
  .lightbox-meta {
    left: 10px; bottom: 10px; right: 10px;
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
  .lightbox-meta .lb-cap { max-width: 100%; text-align: left; }
}