/* ==========================================================================
   LUMIÈRE — Architectural Lighting Studio
   Conceito: "Acender". Cada sala da exposição começa em penumbra e é
   iluminada pelo percurso do visitante. Motivo recorrente: a linha de luz.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --graphite: #161b1a;
  --graphite-2: #1d2321;
  --champagne: #c9a56c;
  --champagne-ink: #7a5c2c;      /* champagne legível sobre marfim */
  --ivory: #f3efe7;
  --ivory-2: #e8e2d6;
  --sage: #777c76;
  --sage-light: #a6aba4;         /* sálvia legível sobre grafite */
  --sage-ink: #5b605a;           /* sálvia legível sobre marfim */

  --hair-dark: rgb(243 239 231 / 0.14);
  --hair-light: rgb(22 27 26 / 0.14);

  --ff-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --ff-body: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --fs-xl: clamp(3rem, 1.4rem + 6.6vw, 8.25rem);
  --fs-l: clamp(2.4rem, 1.5rem + 4vw, 5.75rem);
  --fs-m: clamp(1.75rem, 1.3rem + 1.8vw, 3rem);
  --fs-lead: clamp(1.02rem, 0.95rem + 0.3vw, 1.2rem);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);

  --gutter: clamp(1rem, 4vw, 4rem);
  --header-h: 4.25rem;
  --max: 90rem;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--header-h);
}
@media (prefers-reduced-motion: no-preference) {
  html:not(.lenis) { scroll-behavior: smooth; }
}
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  background: var(--graphite);
  color: var(--ivory);
  font-family: var(--ff-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

/* Grão fílmico estático: dá textura e disfarça o upscaling das imagens */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .5 0 0 0 0 .5 0 0 0 0 .5 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
em { font-style: italic; }

:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 4px;
}
.theme-light :focus-visible { outline-color: var(--champagne-ink); }
[tabindex='-1']:focus { outline: none; }

::selection { background: var(--champagne); color: var(--graphite); }

.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { position: relative; padding-block: clamp(5.5rem, 12vw, 11rem); }

.theme-dark { background-color: var(--graphite); color: var(--ivory); }
.theme-light { background-color: var(--ivory); color: var(--graphite); }
/* Com JS, o fundo é do body e transiciona entre as salas */
html.theme-sync .theme-dark,
html.theme-sync .theme-light { background-color: transparent; }

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 300;
  padding: 0.75rem 1.1rem;
  background: var(--champagne);
  color: var(--graphite);
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform 0.3s var(--ease-out);
}
.skip-link:focus { transform: none; }

/* ---------- Tipografia ---------- */
.display {
  font-family: var(--ff-display);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.015em;
  font-size: var(--fs-l);
  text-wrap: balance;
}
.display em { font-weight: 300; color: var(--champagne); }
.theme-light .display em { color: var(--champagne-ink); }
.display--xl { font-size: var(--fs-xl); }
.display--l { font-size: var(--fs-l); }

/* folga vertical para acentos (ê, ç) e descendentes dentro da máscara */
.line { display: block; overflow: hidden; padding: 0.12em 0.12em 0.1em 0; margin: -0.12em 0 -0.1em; }
.line__inner { display: block; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sage-light);
}
.theme-light .eyebrow { color: var(--sage-ink); }
.eyebrow__index {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--champagne);
}
.theme-light .eyebrow__index { color: var(--champagne-ink); }
.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--champagne);
  box-shadow: 0 0 10px rgb(201 165 108 / 0.7);
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.7;
  color: rgb(243 239 231 / 0.78);
  max-width: 34ch;
}
.lead--dark, .theme-light .lead { color: rgb(22 27 26 / 0.78); }

.caption {
  margin-top: 0.9rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage-ink);
}

/* ---------- Botões e links ---------- */
.btn {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  min-height: 3.4rem;
  padding: 0 1.75rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.5s var(--ease-out), border-color 0.5s var(--ease-out);
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: translateY(101%);
  transition: transform 0.6s var(--ease-out);
}
.btn:hover::before, .btn:focus-visible::before { transform: none; }
.btn__label, .btn__icon { display: inline-block; transition: transform 0.5s var(--ease-out); }
.btn:hover .btn__icon { transform: translateX(4px); }
.btn:active .btn__label { transform: scale(0.96); }
.btn:active { filter: brightness(0.92); }

.btn--primary { background: var(--champagne); color: var(--graphite); }
.btn--primary::before { background: var(--ivory); }

.btn--ghost { border: 1px solid rgb(243 239 231 / 0.35); }
.btn--ghost::before { background: var(--champagne); }
.btn--ghost:hover, .btn--ghost:focus-visible { color: var(--graphite); border-color: var(--champagne); }

.btn--sm { min-height: 2.6rem; padding: 0 1.15rem; font-size: 0.66rem; }
.btn--lg { min-height: 4rem; padding: 0 2.25rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding-block: 0.4rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: linear-gradient(currentColor, currentColor) left bottom / 100% 1px no-repeat;
}
.link-arrow::after { content: '→' / ''; transition: transform 0.5s var(--ease-out); }
.link-arrow:hover { animation: underline 0.9s var(--ease-in-out); }
.link-arrow:hover::after { transform: translateX(4px); }

@keyframes underline {
  0%   { background-size: 100% 1px; background-position: right bottom; }
  50%  { background-size: 0 1px;    background-position: right bottom; }
  51%  { background-size: 0 1px;    background-position: left bottom; }
  100% { background-size: 100% 1px; background-position: left bottom; }
}

.nav__link {
  position: relative;
  padding-block: 0.35rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--champagne);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s var(--ease-out);
}
.nav__link:hover::after, .nav__link:focus-visible::after { transform: scaleX(1); transform-origin: left; }

.tag {
  display: inline-block;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--hair-dark);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage-light);
}

/* ---------- Barra de progresso (linha de luz) ---------- */
.progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 110;
  height: 2px;
  pointer-events: none;
}
.progress__bar {
  display: block;
  height: 100%;
  background: var(--champagne);
  box-shadow: 0 0 8px rgb(201 165 108 / 0.6);
  transform: scaleX(0);
  transform-origin: left;
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: var(--ivory);
  transition: color 0.5s var(--ease-out), background-color 0.5s var(--ease-out), backdrop-filter 0.5s;
}
.header[data-theme='light'] { color: var(--graphite); }
.header.is-scrolled { background-color: rgb(22 27 26 / 0.72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.header.is-scrolled[data-theme='light'] { background-color: rgb(243 239 231 / 0.78); }
.header[data-theme='light'] .btn--ghost { border-color: rgb(22 27 26 / 0.3); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: var(--header-h);
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand { display: inline-flex; flex-direction: column; line-height: 1; }
.brand__name {
  font-family: var(--ff-display);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: 0.2em;
}
.brand__sig {
  margin-top: 0.3rem;
  font-size: 0.52rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  opacity: 0.7;
}

.nav, .header__cta { display: none; }

/* Sem JS: header sólido (o tema não acompanha as salas) e CTA no lugar do menu */
html:not(.js) .header { background-color: rgb(22 27 26 / 0.94); }
html:not(.js) .menu-toggle { display: none; }
html:not(.js) .header__cta { display: inline-flex; }
.nav__list { display: flex; gap: clamp(1.5rem, 2.6vw, 2.75rem); }

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.75rem;
  padding-inline: 0.25rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.menu-toggle__icon { display: grid; gap: 6px; width: 22px; }
.menu-toggle__icon span {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform 0.5s var(--ease-out);
}
.menu-toggle[aria-expanded='true'] .menu-toggle__icon span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded='true'] .menu-toggle__icon span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

@media (min-width: 768px) {
  .header__cta { display: inline-flex; }
}
@media (min-width: 1024px) {
  .header__inner { display: grid; grid-template-columns: 1fr auto 1fr; }
  .nav { display: block; }
  .header__cta { justify-self: end; }
  .menu-toggle { display: none; }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .header__inner { justify-content: flex-start; }
  .header__cta { margin-left: auto; }
}

/* ---------- Menu mobile ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-h) + 2.5rem) var(--gutter) 2rem;
  background: var(--graphite);
  color: var(--ivory);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.7s var(--ease-in-out);
}
.mobile-menu.is-open { clip-path: inset(0 0 0 0); }
.mobile-menu__list { display: grid; gap: 0.25rem; }
.mobile-menu__list a {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-block: 0.6rem;
  border-bottom: 1px solid var(--hair-dark);
  font-family: var(--ff-display);
  font-size: clamp(2.2rem, 9vw, 3.2rem);
  font-weight: 300;
  line-height: 1.1;
}
.mobile-menu__list span {
  font-family: var(--ff-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--champagne);
}
.mobile-menu__cta { margin-top: auto; }
.mobile-menu__note { margin-top: 1rem; font-size: 0.7rem; color: var(--sage-light); letter-spacing: 0.1em; }
body.menu-open { overflow: hidden; }

/* ==========================================================================
   HERO — a linha de luz se abre em ambiente
   ========================================================================== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100svh;
  padding-top: var(--header-h);
  overflow: hidden;
}
.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 1.25rem;
  margin-top: -2.4rem;
}
.hero__eyebrow { order: -1; display: none; }
.hero__title { font-size: var(--fs-xl); text-wrap: initial; }
.hero__aside { display: grid; gap: 1.5rem; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.75rem; }

.hero__media { position: relative; order: -1; }
.hero__frame {
  position: relative;
  height: 46svh;
  min-height: 15rem;
  overflow: hidden;
}
.hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 74% 55%;
  transform-origin: 50% 60%;
}
.hero__frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--graphite) 2%, rgb(22 27 26 / 0) 45%);
  pointer-events: none;
}
.hero__beam {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  z-index: 3;
  height: 1px;
  background: var(--champagne);
  box-shadow: 0 0 14px 1px rgb(201 165 108 / 0.65);
  opacity: 0;
  transform-origin: center;
  pointer-events: none;
}
.hero__caption {
  display: none;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage-light);
}

.shade {
  position: absolute;
  inset: 0;
  background: var(--graphite);
  opacity: 0.12;
  pointer-events: none;
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  margin: auto var(--gutter) 1.25rem;
  padding-top: 1.5rem;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sage-light);
  align-self: flex-start;
}
.scroll-cue__track {
  position: relative;
  width: 1px;
  height: 2.75rem;
  overflow: hidden;
  background: var(--hair-dark);
}
.scroll-cue__light {
  position: absolute;
  inset: 0;
  background: var(--champagne);
  transform: translateY(-100%);
  animation: cue 2.4s var(--ease-in-out) infinite;
}
@keyframes cue {
  0% { transform: translateY(-100%); }
  55% { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

/* Telas curtas: o CTA continua na primeira dobra */
@media (max-width: 767px) and (max-height: 720px) {
  .hero__frame { height: 30svh; min-height: 11rem; }
  .hero__inner { gap: 1rem; }
  .hero__aside { gap: 1.1rem; }
}
@media (max-width: 360px) {
  .brand__sig { letter-spacing: 0.14em; white-space: nowrap; }
}

@media (min-width: 768px) {
  .hero__frame { height: 50svh; }
  .hero__eyebrow { display: inline-flex; }
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 1.5rem;
    align-items: end;
    margin-top: clamp(1.5rem, 5svh, 3.5rem);
  }
  .hero__eyebrow { grid-column: 1 / -1; order: 0; margin-bottom: 0.5rem; }
  .hero__title { grid-column: 1 / 9; }
  .hero__aside { grid-column: 9 / 13; padding-bottom: 0.6rem; }
  .hero__media { order: 0; margin-top: calc(var(--fs-xl) * -0.42); }
  .hero__frame { height: clamp(18rem, 46svh, 40rem); }
  .hero__img { object-position: 50% 62%; }
  .hero__frame::after {
    background:
      linear-gradient(to bottom, rgb(22 27 26 / 0.55), rgb(22 27 26 / 0) 38%),
      linear-gradient(to top, rgb(22 27 26 / 0.45), rgb(22 27 26 / 0) 30%);
  }
  .hero__caption { display: block; position: absolute; left: var(--gutter); bottom: -2.25rem; }
  .scroll-cue { align-self: flex-end; margin-top: 0.5rem; margin-bottom: 1rem; padding-top: 0; }
}

/* Estados iniciais da intro: só com JS + movimento (ver <head>) */
html.motion .hero__frame { clip-path: inset(49.7% 0 49.7% 0); }
html.motion .hero__img { transform: scale(1.22); }
html.motion .hero .shade { opacity: 0.92; }
html.motion .hero .line__inner { transform: translateY(112%); }
html.motion .hero [data-intro],
html.motion .hero .scroll-cue,
html.motion .hero__caption { opacity: 0; }
html.motion .header { opacity: 0; }

/* ==========================================================================
   SOBRE — palavras que se acendem
   ========================================================================== */
.about { padding-bottom: 0; }
.about__grid { display: grid; gap: 2rem; }
.about__title { max-width: 14ch; }
.about__title .word { display: inline-block; }

.about__main { position: relative; }
.about__main-frame { position: relative; aspect-ratio: 4 / 5; overflow: hidden; }
.about__main-frame img,
.about__detail img { width: 100%; height: 100%; object-fit: cover; }

.about__detail {
  width: 52%;
  margin: -7rem 0 0 auto;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  position: relative;
  z-index: 1;
  border: 6px solid var(--ivory);
}
html.theme-sync .about__detail { border-color: transparent; }

.about__text { display: grid; gap: 2.5rem; }
.about__pillars { display: grid; border-top: 1px solid var(--hair-light); }
.about__pillars li {
  padding-block: 1rem;
  border-bottom: 1px solid var(--hair-light);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage-ink);
}
.about__pillars span {
  margin-right: 0.35rem;
  font-family: var(--ff-display);
  font-size: 1.6rem;
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--graphite);
}

@media (min-width: 768px) {
  .about__grid { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 1.5rem; row-gap: 3rem; }
  .about__eyebrow, .about__title { grid-column: 1 / -1; }
  .about__main { grid-column: 1 / 7; grid-row: 3 / 5; }
  .about__detail { grid-column: 7 / 10; grid-row: 4; width: auto; margin: 0 0 -4rem -3rem; align-self: end; }
  .about__text { grid-column: 8 / 13; grid-row: 3; align-self: start; padding-top: 2rem; }
}
@media (min-width: 1024px) {
  .about__title { grid-column: 1 / 11; }
  .about__main { grid-column: 1 / 6; }
  .about__detail { grid-column: 6 / 8; margin-left: -2.5rem; }
  .about__text { grid-column: 9 / 13; padding-top: 6rem; }
}

.drift {
  overflow: hidden;
  padding-block: clamp(4rem, 10vw, 9rem) clamp(3rem, 7vw, 6rem);
}
.drift__line {
  font-family: var(--ff-display);
  font-size: clamp(3.5rem, 12vw, 11rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1;
  white-space: nowrap;
  color: rgb(119 124 118 / 0.5);
  padding-left: var(--gutter);
}
.drift__line i { font-style: normal; color: var(--champagne); margin-inline: 0.15em; }

/* ==========================================================================
   SOLUÇÕES — lista editorial + palco que troca a luz
   ========================================================================== */
.section-head { display: grid; gap: 1.5rem; margin-bottom: clamp(3rem, 7vw, 6rem); }

.service {
  position: relative;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.5rem 1rem;
  padding-block: 1.75rem;
  border-top: 1px solid var(--hair-dark);
}
.service:last-child { border-bottom: 1px solid var(--hair-dark); }
.service::before {
  content: '';
  position: absolute;
  left: 0;
  top: -1px;
  width: 100%;
  height: 1px;
  background: var(--champagne);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s var(--ease-out);
}
.service.is-active::before { transform: scaleX(1); }
.service__num {
  padding-top: 0.55rem;
  font-family: var(--ff-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--champagne);
}
.service__title {
  font-family: var(--ff-display);
  font-size: var(--fs-m);
  font-weight: 300;
  line-height: 1.08;
}
.service__desc {
  margin-top: 0.75rem;
  max-width: 42ch;
  color: var(--sage-light);
}
.service__media {
  grid-column: 1 / -1;
  margin-top: 1rem;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.service__media img { width: 100%; height: 100%; object-fit: cover; }

.services__stage { display: none; }

@media (min-width: 1024px) {
  .services__layout {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(3rem, 6vw, 7rem);
    align-items: start;
  }
  .service { grid-template-columns: 4rem 1fr; padding-block: 2.4rem; cursor: default; }
  .service__media { display: none; }
  .service__title, .service__desc { transition: color 0.6s var(--ease-out), opacity 0.6s var(--ease-out); }
  html.js .service:not(.is-active) .service__title { color: rgb(243 239 231 / 0.45); }
  html.js .service:not(.is-active) .service__desc { opacity: 0.55; }

  .services__stage {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 8svh);
  }
  .stage__frame {
    position: relative;
    aspect-ratio: 4 / 5;
    max-height: 70svh;
    overflow: hidden;
    background: var(--graphite-2);
  }
  .stage__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    clip-path: inset(0 0 0 100%);
    transform: scale(1.12);
  }
  .stage__img.is-prev { clip-path: inset(0); transform: scale(1); z-index: 1; }
  .stage__img.is-active {
    z-index: 2;
    clip-path: inset(0);
    transform: scale(1);
    transition: clip-path 1.1s var(--ease-in-out), transform 1.6s var(--ease-out);
  }
  .stage__counter {
    margin-top: 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--sage-light);
  }
  .stage__counter span { color: var(--champagne); }
}

/* ==========================================================================
   PROJETOS — carrossel nativo (padrão) / sequência horizontal fixada (desktop)
   ========================================================================== */
.projects { position: relative; padding-block: clamp(4rem, 8vw, 6rem); }
.projects__head { padding-inline: var(--gutter); max-width: var(--max); margin-inline: auto; }
.projects__title { display: grid; margin-top: 1.25rem; }
.projects__title-b { padding-left: 0.6em; }
.projects__note { margin-top: 1.5rem; max-width: 40ch; font-size: 0.85rem; color: var(--sage-light); }

.projects__list {
  display: flex;
  gap: 1rem;
  margin-top: 3rem;
  padding-inline: var(--gutter);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--gutter);
  scrollbar-width: none;
  overscroll-behavior-x: contain;
}
.projects__list::-webkit-scrollbar { display: none; }

.project { flex: 0 0 min(82vw, 30rem); scroll-snap-align: start; }
.project__media { position: relative; aspect-ratio: 4 / 5; overflow: hidden; }
.project--b .project__media, .project--d .project__media { aspect-ratio: 4 / 5; }
.project__img { position: absolute; inset: -2% -8%; }
.project__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease-out);
}
.project__media:hover img { transform: scale(1.05); }
.project .shade { transition: opacity 1.4s var(--ease-out); opacity: 0; }
html.js .project:not(.is-lit) .shade { opacity: 0.82; }

.project__meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 1rem;
  align-items: baseline;
  padding-top: 1.25rem;
}
.project__index { font-family: var(--ff-display); font-style: italic; color: var(--champagne); }
.project__name { font-family: var(--ff-display); font-size: clamp(1.6rem, 1.3rem + 1vw, 2.3rem); font-weight: 300; line-height: 1.1; }
.project__desc, .project__meta .tag { grid-column: 2; }
.project__desc { font-size: 0.88rem; color: var(--sage-light); }
.project__meta .tag { justify-self: start; margin-top: 0.5rem; }

.projects__hud {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  max-width: var(--max);
  margin: 2rem auto 0;
  padding-inline: var(--gutter);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--sage-light);
}
.projects__counter span:first-child { color: var(--champagne); }
.projects__rail { position: relative; flex: 1; height: 1px; background: var(--hair-dark); max-width: 22rem; }
.projects__rail-fill {
  position: absolute;
  inset: 0;
  background: var(--champagne);
  transform: scaleX(0.25);
  transform-origin: left;
}
.projects__hint { text-transform: uppercase; }
.projects__hint-arrow { display: inline-block; color: var(--champagne); }
.hint--scroll, .projects.is-pinned .hint--swipe { display: none; }
.projects.is-pinned .hint--scroll { display: inline; }

@media (min-width: 768px) {
  .project { flex-basis: 46vw; }
  .project--b .project__media, .project--d .project__media { aspect-ratio: 3 / 2; }
  .project--b, .project--d { flex-basis: 60vw; }
}

/* Modo fixado: classe adicionada pelo JS no desktop com movimento permitido */
.projects.is-pinned { padding-block: 0; }
.projects.is-pinned .projects__pin {
  position: relative;
  height: 100svh;
  overflow: hidden;
}
.projects.is-pinned .projects__track {
  display: flex;
  align-items: center;
  gap: 7vw;
  height: 100%;
  width: max-content;
  padding: calc(var(--header-h) + 1rem) 10vw calc(4.5rem) var(--gutter);
  will-change: transform;
}
.projects.is-pinned .projects__head { flex: 0 0 38vw; padding: 0; margin: 0; }
.projects.is-pinned .projects__list {
  display: flex;
  align-items: center;
  gap: 7vw;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: visible;
  scroll-snap-type: none;
}
.projects.is-pinned .project { flex: 0 0 auto; }
.projects.is-pinned .shade { transition: none; }
.projects.is-pinned .project__media { height: var(--h); width: auto; aspect-ratio: var(--ar); }
.projects.is-pinned .project--a { --h: 54svh; --ar: 4 / 5; align-self: flex-start; margin-top: 2svh; }
.projects.is-pinned .project--b { --h: 42svh; --ar: 3 / 2; align-self: flex-end; margin-bottom: 1svh; }
.projects.is-pinned .project--c { --h: 50svh; --ar: 3 / 4; }
.projects.is-pinned .project--d { --h: 46svh; --ar: 16 / 10; align-self: flex-start; margin-top: 4svh; }
.projects.is-pinned .projects__hud {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1.75rem;
  margin: 0 auto;
}
.projects.is-pinned .projects__hint-arrow { transform: rotate(90deg); }

/* ---------- CTA intermediário ---------- */
.cta-band { padding-block: clamp(3.5rem, 7vw, 6rem); border-top: 1px solid var(--hair-dark); }
.cta-band__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem; }
.cta-band__text { font-family: var(--ff-display); font-size: var(--fs-m); font-weight: 300; line-height: 1.1; }
.cta-band__text em { color: var(--champagne); }

/* ==========================================================================
   PROCESSO — a escada se acende degrau a degrau
   ========================================================================== */
.process__grid { display: grid; gap: 3rem; }
.process__sticky { display: grid; gap: 1.5rem; align-content: start; }
.process__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; margin-top: 1rem; }
.process__media img { width: 100%; height: 100%; object-fit: cover; }
.process__media .shade { opacity: 0; }

.process__steps-wrap { position: relative; padding-left: 2.25rem; }
.process__line { position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background: var(--hair-light); }
.process__line span {
  position: absolute;
  inset: 0;
  background: var(--champagne-ink);
  transform-origin: top;
}
.step { position: relative; padding-block: 2rem; }
.step::before {
  content: '';
  position: absolute;
  left: calc(-2.25rem - 4px);
  top: 2.75rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--sage);
  background: var(--ivory);
  transition: background-color 0.6s, border-color 0.6s, box-shadow 0.6s;
}
html.theme-sync .step::before { background: var(--ivory); }
.step.is-active::before { background: var(--champagne); border-color: var(--champagne); box-shadow: 0 0 0 5px rgb(201 165 108 / 0.2); }
.step__num {
  display: block;
  font-family: var(--ff-display);
  font-size: clamp(3rem, 2rem + 3vw, 5.5rem);
  font-weight: 300;
  line-height: 1;
  color: var(--sage);
  transition: color 0.6s var(--ease-out);
}
.step.is-active .step__num { color: var(--champagne-ink); }
.step__title { margin-top: 0.75rem; font-family: var(--ff-display); font-size: var(--fs-m); font-weight: 400; line-height: 1.1; }
.step__text { margin-top: 0.6rem; max-width: 36ch; color: rgb(22 27 26 / 0.74); }

@media (min-width: 1024px) {
  .process__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(4rem, 8vw, 9rem); align-items: start; }
  .process__sticky { position: sticky; top: calc(var(--header-h) + 6svh); }
  .process__media { aspect-ratio: 5 / 3; }
  .process__steps-wrap { padding-left: 3.5rem; margin-top: 8svh; }
  .step { min-height: 42svh; padding-block: 2.5rem; }
  .step::before { left: calc(-3.5rem - 4px); top: 3.75rem; }
}

/* ==========================================================================
   DIFERENCIAIS — a fenda de luz se abre
   ========================================================================== */
.values__grid { display: grid; gap: 3rem; }
.values__slit { position: relative; aspect-ratio: 3 / 4; overflow: hidden; max-height: 78svh; }
.values__slit img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; }
.values__content { display: grid; gap: 1.5rem; align-content: start; }
.values__list { display: grid; margin-top: 2rem; }
.value { position: relative; padding-block: 1.6rem; border-top: 1px solid var(--hair-dark); }
.value__title { font-family: var(--ff-display); font-size: clamp(1.5rem, 1.25rem + 0.8vw, 2rem); font-weight: 400; line-height: 1.15; }
.value p { margin-top: 0.5rem; color: var(--sage-light); max-width: 40ch; }

@media (min-width: 768px) {
  .values__list { grid-template-columns: 1fr 1fr; column-gap: 2.5rem; }
  .values__slit { aspect-ratio: 16 / 10; }
}
@media (min-width: 1024px) {
  .values__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(3rem, 7vw, 8rem); align-items: center; }
  .values__slit { aspect-ratio: 3 / 4; }
}

/* ==========================================================================
   CTA FINAL — a exposição termina na mesma janela em que começou
   ========================================================================== */
.final { position: relative; padding-top: clamp(6rem, 14vw, 12rem); }
.final__inner { display: grid; gap: 1.75rem; justify-items: start; position: relative; z-index: 2; }
.final__title { text-wrap: initial; }
.final__lead { max-width: 40ch; }
.final__media { margin-top: clamp(-3rem, -4vw, -1.5rem); position: relative; }
.final__frame { position: relative; height: clamp(16rem, 42vw, 34rem); overflow: hidden; }
.final__frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 45% 70%;
}
.final__frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, var(--graphite) 0%, rgb(22 27 26 / 0) 40%);
}
.final .shade { opacity: 0.1; }
.final .btn { margin-top: 0.75rem; }

@media (min-width: 1024px) {
  .final__inner { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); align-items: end; column-gap: 4rem; }
  .final__inner > .eyebrow, .final__title { grid-column: 1 / -1; }
  .final__lead { grid-column: 1; }
  .final .btn { grid-column: 2; grid-row: 3; justify-self: end; }
}

/* ---------- Footer ---------- */
.footer { padding-block: 3rem 2.5rem; border-top: 1px solid var(--hair-dark); }
.footer__inner { display: grid; gap: 2rem; }
.footer__brand .brand__name { font-size: 1.8rem; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 0.75rem 2rem; }
.footer__note { max-width: 52ch; font-size: 0.78rem; line-height: 1.6; color: var(--sage-light); }
.footer__top { justify-self: start; }

@media (min-width: 1024px) {
  .footer__inner { grid-template-columns: 1fr auto; align-items: center; row-gap: 3rem; }
  .footer__nav { justify-self: end; }
  .footer__top { justify-self: end; }
}

/* ---------- Dialog de demonstração ---------- */
.demo-dialog {
  width: min(92vw, 30rem);
  padding: 0;
  border: 0;
  background: var(--ivory);
  color: var(--graphite);
}
.demo-dialog::backdrop { background: rgb(22 27 26 / 0.72); backdrop-filter: blur(6px); }
.demo-dialog__inner { display: grid; gap: 1rem; padding: clamp(1.75rem, 5vw, 2.75rem); }
.demo-dialog .eyebrow { color: var(--sage-ink); }
.demo-dialog__title { font-family: var(--ff-display); font-size: 2rem; font-weight: 400; line-height: 1.1; }
.demo-dialog__msg {
  margin: 0;
  padding: 1rem 1.25rem;
  border-left: 2px solid var(--champagne-ink);
  background: var(--ivory-2);
  font-family: var(--ff-display);
  font-size: 1.2rem;
  font-style: italic;
}
.demo-dialog__small { font-size: 0.8rem; color: var(--sage-ink); }
.demo-dialog .btn { justify-self: start; margin-top: 0.5rem; }

/* ---------- Cursor contextual (somente ponteiro preciso) ---------- */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 150;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  margin: -1.25rem 0 0 -1.25rem;
  border: 1px solid rgb(201 165 108 / 0.75);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transition: width 0.5s var(--ease-out), height 0.5s var(--ease-out), margin 0.5s var(--ease-out),
              background-color 0.5s var(--ease-out), opacity 0.3s;
}
.cursor.is-visible { opacity: 1; }
.cursor.is-link { width: 3.5rem; height: 3.5rem; margin: -1.75rem 0 0 -1.75rem; background: rgb(201 165 108 / 0.12); }
.cursor.has-label { width: 7rem; height: 7rem; margin: -3.5rem 0 0 -3.5rem; background: var(--champagne); border-color: var(--champagne); }
.cursor__label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: center;
  color: var(--graphite);
  opacity: 0;
  transition: opacity 0.3s;
}
.cursor.has-label .cursor__label { opacity: 1; }

/* ---------- Movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .scroll-cue__light { transform: none; }
}