/* ==========================================================================
   Sá | Spessatto Arquitetura e Interiores
   Mobile first. Breakpoints: 600px, 900px, 1024px.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --cream: #F7F5F2;
  --sand: #E9E3D8;
  --dark: #1A1612;        /* fundo escuro quente (hero, contato, lightbox) */
  --champagne: #D9BE84;   /* dourado do logo sobre escuro: contraste 10:1 */
  --gold: #A37210;        /* dourado do logo sobre claro: linhas, monograma, títulos grandes */
  --gold-dark: #7A540B;   /* dourado para texto pequeno sobre claro (6:1 no creme) */
  --ink: #1A1612;
  --ink-soft: #5A5146;
  --line: rgba(26, 22, 18, .16);
  --line-light: rgba(247, 245, 242, .22);
  --cream-muted: rgba(247, 245, 242, .74);

  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Jost", "Helvetica Neue", Arial, sans-serif;
  --mono: "Roboto Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --gutter: clamp(1rem, 4.6vw, 4.5rem);
  --gap: clamp(1rem, 2.2vw, 2.5rem);
  --section: clamp(6rem, 13vw, 12rem);
  --header-h: 4.75rem;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(1rem, .97rem + .15vw, 1.0625rem);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -.01em;
  text-wrap: balance;
  font-variant-numeric: lining-nums;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol, dl, dd, figure, address { margin: 0; padding: 0; }
address { font-style: normal; }
button { font: inherit; color: inherit; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a[href^="tel:"], [data-wa-display] { white-space: nowrap; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.hero :focus-visible,
.contact :focus-visible,
.lightbox :focus-visible,
.header:not(.is-solid) :focus-visible { outline-color: var(--champagne); }

::selection { background: var(--gold); color: var(--cream); }

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

.skip {
  position: fixed;
  top: .75rem; left: .75rem;
  z-index: 100;
  padding: .75rem 1rem;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--mono);
  font-size: .8125rem;
  transform: translateY(-160%);
  transition: transform .2s;
}
.skip:focus { transform: none; }

.wrap {
  width: 100%;
  max-width: calc(90rem + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ==========================================================================
   Monograma e vocabulário do logo
   O monograma usa currentColor: a cor muda junto com o texto ao redor.
   A barra do "S | S" é um traço de 1px, igual ao divisor e à linha do processo.
   ========================================================================== */
.mono { display: block; fill: currentColor; stroke-width: 1px; overflow: visible; }

/* Rótulo em mono: "01 | sobre" */
.label {
  display: flex;
  align-items: center;
  gap: .9em;
  margin: 0 0 2rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .04em;
  text-transform: lowercase;
  color: var(--gold-dark);
}
.label__n { display: inline-flex; align-items: center; gap: .9em; }
.label__n::after {
  content: "";
  width: 1px;
  height: 1.15em;
  background: var(--gold);
}
.label--light { color: var(--champagne); }
.label--light .label__n::after { background: var(--champagne); }

.bar {
  display: inline-block;
  width: 1px;
  height: 1em;
  margin: 0 .55em;
  background: currentColor;
  opacity: .55;
  vertical-align: -.15em;
}

/* Barra vertical entre seções: a mesma do logo (1px, dourado; champanhe no escuro) */
.vline {
  display: block;
  width: 1px;
  height: clamp(4rem, 9vw, 7.5rem);
  margin-left: calc(var(--gutter) + max(0px, (100% - 90rem - 2 * var(--gutter)) / 2));
  background: var(--gold);
  transform-origin: top;
}
.vline--light { background: var(--champagne); }

/* Fio circular do logo, grande e cortado pela borda da tela */
.has-ring { position: relative; overflow: hidden; }
.has-ring > .wrap { position: relative; z-index: 1; }
.ring {
  position: absolute;
  z-index: 0;
  width: var(--ring, clamp(26rem, 64vw, 58rem));
  aspect-ratio: 1;
  border: 1px solid rgba(163, 114, 16, .26);
  border-radius: 50%;
  pointer-events: none;
}
.ring--light { border-color: rgba(217, 190, 132, .24); }

.caption {
  margin-top: .9rem;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--ink-soft);
  text-transform: lowercase;
}

/* Sublinhado fino dourado (manifesto) */
.mark {
  background-image: linear-gradient(var(--gold), var(--gold));
  background-repeat: no-repeat;
  background-position: 0 96%;
  background-size: 100% 1px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  transition: background-size 1.4s var(--ease) .5s;
}

/* Blocos de imagem */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: var(--ratio, 4 / 3);
  background: var(--sand);
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.zoom img { transition: transform 1.4s var(--ease); }
@media (hover: hover) {
  .zoom:hover img { transform: scale(1.035); }
}

/* ---------- Tipografia ---------- */
.h2 {
  font-size: clamp(2.3rem, 1.5rem + 3.4vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -.015em;
}

/* ---------- Botões e links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  min-height: 3.25rem;
  padding: .85rem 1.6rem;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--sans);
  font-size: .9375rem;
  font-weight: 500;
  letter-spacing: .02em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn .icon { width: 1.1rem; height: 1.1rem; flex: none; }

.btn--brand { background: var(--gold-dark); border-color: var(--gold-dark); }
.btn--brand:hover { background: var(--ink); border-color: var(--ink); }

.btn--light { background: var(--cream); border-color: var(--cream); color: var(--ink); }
.btn--light:hover { background: var(--sand); border-color: var(--sand); }

.btn--ghost { background: transparent; border-color: var(--champagne); color: var(--cream); }
.btn--ghost:hover { background: rgba(217, 190, 132, .14); }

.link {
  display: inline-flex;
  align-items: center;
  gap: .9rem;
  padding: .35rem 0;
  border: 0;
  background: none;
  color: inherit;
  font-family: var(--sans);
  font-size: .9375rem;
  font-weight: 500;
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer;
}
.link::after {
  content: "";
  width: 2.5rem;
  height: 1px;
  background: var(--gold);
  transition: width .45s var(--ease);
}
.link:hover::after { width: 4rem; }
.link--light::after { background: var(--champagne); }

/* ==========================================================================
   Loader (uma vez por sessão; some sozinho, sem depender do JS)
   ========================================================================== */
.loader { display: none; }
.intro .loader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: var(--dark);
  color: var(--champagne);
  pointer-events: none;
  animation: loader-out .6s var(--ease) .55s forwards;
}
.intro .loader .mono { width: clamp(6rem, 16vw, 8.5rem); animation: loader-in .6s var(--ease) both; }
@keyframes loader-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes loader-out { to { opacity: 0; visibility: hidden; } }

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--header-h);
  color: var(--cream);
  --accent: var(--champagne);
  transition: background-color .45s var(--ease), color .45s var(--ease), box-shadow .45s var(--ease);
}
.header.is-solid {
  background: var(--cream);
  color: var(--ink);
  --accent: var(--gold);
  box-shadow: 0 1px 0 rgba(26, 22, 18, .08), 0 8px 24px -18px rgba(26, 22, 18, .35);
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: .75rem;
}

/* Marca: monograma + nome em serifa + "arquitetura e interiores" em mono */
.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  flex: none;
  text-decoration: none;
}
.brand__mono {
  width: 3.3rem;
  color: var(--accent);
  transition: color .45s var(--ease);
}
.brand__text { display: grid; gap: .1rem; line-height: 1; }
.brand__name {
  font-family: var(--serif);
  font-size: 1.0625rem;
  letter-spacing: .01em;
  white-space: nowrap;
}
.brand__sub {
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .08em;
  white-space: nowrap;
  opacity: .9;
  transition: color .45s var(--ease);
}
.header.is-solid .brand__sub { color: var(--gold-dark); opacity: 1; }

/* Botão WhatsApp: só contorno */
.header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  margin-left: auto;
  padding: .5rem .75rem;
  border: 1px solid var(--accent);
  border-radius: 2px;
  background: transparent;
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .03em;
  text-decoration: none;
  transition: background-color .35s, color .35s, border-color .45s var(--ease);
}
.header__cta .icon { width: 1rem; height: 1rem; color: var(--accent); transition: color .45s var(--ease); }
.header__cta span {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.header__cta:hover { background: rgba(217, 190, 132, .16); }
.header.is-solid .header__cta:hover { background: var(--gold-dark); border-color: var(--gold-dark); color: var(--cream); }
.header.is-solid .header__cta:hover .icon { color: var(--cream); }

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0 .25rem;
  border: 0;
  background: none;
  font-family: var(--mono);
  font-size: .8125rem;
  cursor: pointer;
}
.menu-toggle__label {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.menu-toggle__lines {
  position: relative;
  width: 1.5rem;
  height: 7px;
  border-top: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transition: transform .35s var(--ease);
}
.menu-open .menu-toggle__lines { transform: scaleX(.6); }

/* Menu mobile em tela cheia */
.nav {
  position: fixed;
  inset: 0;
  z-index: -1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  padding: calc(var(--header-h) + 2.5rem) var(--gutter) 2rem;
  background: var(--cream);
  color: var(--ink);
  overflow-y: auto;
  visibility: hidden;
  opacity: 0;
  transition: opacity .4s var(--ease), visibility 0s linear .4s;
}
.menu-open .nav {
  visibility: visible;
  opacity: 1;
  transition: opacity .4s var(--ease);
}
.menu-open .header { color: var(--ink); background: var(--cream); --accent: var(--gold); box-shadow: 0 1px 0 var(--line); }
.menu-open .header .brand__sub { color: var(--gold-dark); }

.nav__list { list-style: none; }
.nav__list a {
  display: block;
  padding: .35rem 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 9vw, 3rem);
  line-height: 1.15;
  text-decoration: none;
}
.nav__u { color: var(--accent); transition: color .45s var(--ease); }
.nav .nav__u { color: var(--gold); }

.nav__extra {
  display: grid;
  gap: 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  font-size: .9375rem;
  color: var(--ink-soft);
}
.nav__extra .btn { justify-self: start; }
.nav__extra p { margin: 0; }
.nav__extra a:not(.btn) { text-decoration: none; }

@media (min-width: 480px) {
  .header__cta span { position: static; width: auto; height: auto; overflow: visible; clip: auto; }
  .header__cta { padding: .5rem .9rem; }
  .menu-toggle__label { position: static; width: auto; height: auto; overflow: visible; clip: auto; }
}

@media (min-width: 1024px) {
  .brand__mono { width: 3.75rem; }
  .brand__name { font-size: 1.125rem; }
  .menu-toggle { display: none; }

  .nav {
    position: static;
    z-index: auto;
    display: block;
    margin-left: auto;
    padding: 0;
    background: none;
    color: inherit;
    overflow: visible;
    visibility: visible;
    opacity: 1;
    transition: none;
  }
  .nav .nav__u { color: var(--accent); }
  .nav__list { display: flex; gap: clamp(1.25rem, 2.2vw, 2.25rem); }
  .nav__list a {
    position: relative;
    padding: .5rem 0;
    font-family: var(--mono);
    font-size: .8125rem;
    letter-spacing: .02em;
  }
  .nav__list a::after {
    content: "";
    position: absolute;
    left: 1.2em; right: 0; bottom: .2rem;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s var(--ease);
  }
  .nav__list a:hover::after,
  .nav__list a.is-current::after { transform: scaleX(1); }
  .nav__extra { display: none; }

  .header__cta { margin-left: clamp(1.5rem, 2.5vw, 2.5rem); padding: .55rem 1.1rem; }
}

/* ==========================================================================
   Hero: foto de fundo, véu para leitura, texto no terço inferior esquerdo
   ========================================================================== */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: flex-end;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  color: var(--cream);
  /* Sem foto: fundo escuro quente com grão sutil */
  background-color: var(--dark);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.07'/%3E%3C/svg%3E");
}

.hero__media { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--hero-focus, 50% 50%);
  transform-origin: 60% 50%;
}
.js .hero__media img { animation: hero-zoom 20s linear both; }
@keyframes hero-zoom {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}

/* Véu: só garante leitura. Mobile: de baixo para cima + faixa do menu */
.hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(26, 22, 18, .8) 0, rgba(26, 22, 18, .64) 4.75rem, rgba(26, 22, 18, 0) 32%),
    linear-gradient(0deg, rgba(26, 22, 18, .92) 0%, rgba(26, 22, 18, .86) 50%, rgba(26, 22, 18, .8) 68%, rgba(26, 22, 18, .42) 84%, rgba(26, 22, 18, 0) 100%);
}

.hero__inner { padding-top: calc(var(--header-h) + 4rem); padding-bottom: clamp(2rem, 6vh, 4.5rem); }
.hero__content { max-width: 40rem; }

.hero__eyebrow {
  margin-bottom: 1.4rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .16em;
  color: var(--champagne);
}

.hero__title {
  font-size: clamp(2.75rem, 1.4rem + 4.8vw, 6.5rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  text-wrap: nowrap;
}
.hero__line { display: block; white-space: nowrap; }
.hero__title em { font-style: italic; }

.hero__support {
  margin: 1.6rem 0 .5rem;
  font-size: clamp(1rem, .96rem + .2vw, 1.125rem);
  font-weight: 500;
  letter-spacing: .01em;
  line-height: 1.45;
  color: var(--cream);
}
.hero__lead {
  max-width: 30rem;
  margin: 0;
  font-size: clamp(1rem, .96rem + .2vw, 1.125rem);
  font-weight: 400;
  line-height: 1.55;
  color: rgba(247, 245, 242, .9);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 2rem;
}
.hero__actions .btn { min-height: 3.1rem; padding: .8rem 1.05rem; }

.hero__proof {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .25rem .6rem;
  max-width: 30rem;
  margin: clamp(1.75rem, 4vh, 2.75rem) 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(247, 245, 242, .24);
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .02em;
  color: var(--cream);
}
.hero__proof a { text-decoration: none; }
.hero__proof a:hover { text-decoration: underline; text-decoration-color: var(--champagne); }
.hero__proof span { color: var(--champagne); }

/* Entrada do hero (atrasa quando o loader está na tela) */
.js .hero__content > * { animation: rise .9s var(--ease) both; animation-delay: var(--d, 0s); }
.js .hero__content > :nth-child(2) { --d: .08s; }
.js .hero__content > :nth-child(3) { --d: .16s; }
.js .hero__content > :nth-child(4) { --d: .22s; }
.js .hero__content > :nth-child(5) { --d: .28s; }
.js .hero__content > :nth-child(6) { --d: .34s; }
.intro .hero__content > * { animation-delay: calc(var(--d, 0s) + .75s); }
@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

/* Celular baixo: o texto ocupa quase toda a tela; o eyebrow fica creme para garantir 4,5:1 */
@media (max-width: 899px) and (max-height: 740px) {
  .hero__eyebrow { color: var(--cream); }
}

@media (max-width: 399px) {
  .hero__actions .btn .icon { display: none; }
  .hero__actions .btn { padding-inline: .9rem; }
}

@media (min-width: 900px) {
  /* Desktop: véu da esquerda (até ~60% da largura) + faixa do menu + base suave */
  .hero__veil {
    background:
      linear-gradient(180deg, rgba(26, 22, 18, .8) 0, rgba(26, 22, 18, .64) 4.75rem, rgba(26, 22, 18, 0) 28%),
      linear-gradient(90deg, rgba(26, 22, 18, .8) 0%, rgba(26, 22, 18, .77) 34%, rgba(26, 22, 18, .64) 47%, rgba(26, 22, 18, .3) 57%, rgba(26, 22, 18, 0) 64%),
      linear-gradient(0deg, rgba(26, 22, 18, .5) 0%, rgba(26, 22, 18, .2) 34%, rgba(26, 22, 18, 0) 54%);
  }
  .hero__content { max-width: min(44rem, 46vw); }
  .hero__inner { padding-bottom: clamp(3rem, 9vh, 6rem); }
  .hero__actions .btn { padding: .85rem 1.5rem; }
}

/* ==========================================================================
   01 Manifesto
   ========================================================================== */
.manifesto { padding-bottom: var(--section); }
.manifesto .vline { position: relative; z-index: 1; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.manifesto .ring { left: calc(var(--ring) * -.38); top: clamp(6rem, 12vw, 10rem); --ring: clamp(24rem, 58vw, 52rem); }

.manifesto__title {
  font-size: clamp(1.85rem, 1.2rem + 2.6vw, 3.6rem);
  line-height: 1.16;
}

.manifesto__figure { margin: 3rem 0 0 18%; }

.manifesto__text { margin-top: 3rem; }

.manifesto__values {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.02rem + .85vw, 1.75rem);
  line-height: 1.5;
  margin-bottom: 1.75rem;
}

.manifesto__about { max-width: 34rem; color: var(--ink-soft); margin-bottom: 1.5rem; }

@media (min-width: 900px) {
  .manifesto__grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
  }
  .manifesto__label { grid-column: 1 / -1; }
  .manifesto__title { grid-column: 1 / span 8; grid-row: 2; }
  .manifesto__figure { grid-column: 9 / -1; grid-row: 2 / span 2; margin: 18% 0 0; }
  .manifesto__text { grid-column: 2 / span 6; grid-row: 3; margin-top: clamp(3.5rem, 6vw, 6rem); }
}

/* ==========================================================================
   02 Projetos
   ========================================================================== */
.projects { padding-bottom: var(--section); }

.projects__head { margin-bottom: 2.5rem; }
.projects__head .h2 { max-width: 12ch; }
.projects__intro { max-width: 30rem; margin-top: 1.5rem; color: var(--ink-soft); }

@media (min-width: 900px) {
  .projects__head {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: end;
  }
  .projects__head .label { grid-column: 1 / -1; }
  .projects__head .h2 { grid-column: 1 / span 7; max-width: none; }
  .projects__intro { grid-column: 9 / -1; margin: 0 0 .5rem; }
}

/* Filtro */
.filter {
  display: flex;
  flex-wrap: wrap;
  gap: .1rem 1.4rem;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
  padding: .75rem 0;
  border-block: 1px solid var(--line);
}
.filter[hidden] { display: none; }
.filter button {
  display: inline-flex;
  align-items: baseline;
  gap: .3rem;
  min-height: 2.75rem;
  padding: .5rem 0;
  border: 0;
  background: none;
  font-family: var(--mono);
  font-size: .8125rem;
  color: var(--ink-soft);
  cursor: pointer;
  transition: color .3s;
}
.filter button::before { content: "_"; color: var(--gold); opacity: 0; transition: opacity .3s; }
.filter button:hover { color: var(--ink); }
.filter button[aria-pressed="true"] { color: var(--ink); }
.filter button[aria-pressed="true"]::before { opacity: 1; }
.filter sup { font-size: .625rem; color: var(--gold-dark); }

/* Grade editorial: posição definida pelo índice visível (data-pos, via main.js) */
.projects__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: clamp(3rem, 9vw, 5rem);
}
.project[hidden] { display: none; }
.project[data-pos="1"], .project[data-pos="3"], .project[data-pos="5"], .project[data-pos="7"] { width: 84%; margin-left: auto; }
.project.is-entering { animation: rise .9s var(--ease) both; }

.project__open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}

.project__info {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1rem;
  align-items: baseline;
  padding-top: 1rem;
}
.project__n { font-family: var(--mono); font-size: .75rem; color: var(--gold-dark); }
.project__name { font-size: clamp(1.35rem, 1.15rem + .8vw, 1.75rem); }
.project__meta {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  margin: .25rem 0 0;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--ink-soft);
}
.project__meta span:empty { display: none; }
.project__meta span + span:not(:empty)::before { content: "|"; margin: 0 .6em; color: var(--gold); }

@media (min-width: 900px) {
  .projects__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    row-gap: clamp(4.5rem, 8vw, 8rem);
    align-items: start;
  }
  .projects__grid .project { grid-column: 1 / -1; width: auto; margin-left: 0; }
  .project[data-pos="0"] { grid-column: 1 / span 7; }
  .project[data-pos="1"] { grid-column: 9 / span 4; margin-top: clamp(6rem, 12vw, 11rem); }
  .project[data-pos="2"] { grid-column: 2 / span 4; }
  .project[data-pos="3"] { grid-column: 7 / span 6; margin-top: clamp(4rem, 8vw, 8rem); }
  .project[data-pos="4"] { grid-column: 1 / span 5; }
  .project[data-pos="5"] { grid-column: 7 / span 6; margin-top: clamp(7rem, 14vw, 13rem); }
  .project[data-pos="6"] { grid-column: 3 / span 4; }
  .project[data-pos="7"] { grid-column: 8 / span 5; margin-top: clamp(5rem, 9vw, 9rem); }
}

/* Chamada depois dos projetos */
.cta-band {
  display: grid;
  gap: 1.25rem;
  margin-top: clamp(5rem, 11vw, 10rem);
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}
.cta-band__title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.75rem, 1.2rem + 2.2vw, 3rem);
  line-height: 1.12;
  letter-spacing: -.01em;
}
.cta-band__text { margin: 0; max-width: 28rem; color: var(--ink-soft); }
.cta-band__btn { justify-self: start; margin-top: .5rem; }

@media (min-width: 900px) {
  .cta-band {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: end;
  }
  .cta-band__title { grid-column: 1 / span 7; }
  .cta-band__text { grid-column: 1 / span 5; }
  .cta-band__btn { grid-column: 9 / -1; grid-row: 1 / span 2; justify-self: end; align-self: end; }
}

/* ==========================================================================
   03 Escritório e sócias
   ========================================================================== */
.studio { padding-block: var(--section); background: var(--sand); }
/* Arco grande que nasce da borda direita e passa atrás do título */
.studio .ring { --ring: 118vw; right: calc(var(--ring) * -.5); top: calc(var(--section) + 5.5rem - var(--ring) / 2); }

.studio__head { margin-bottom: clamp(3rem, 7vw, 6rem); }
.studio__intro { max-width: 32rem; margin-top: 1.5rem; color: var(--ink-soft); }

.studio__people { display: grid; gap: 4rem; }

.person--b { width: 86%; margin-left: auto; }

.person__name {
  margin-top: 1.5rem;
  font-size: clamp(1.8rem, 1.4rem + 1.4vw, 2.6rem);
}
.person__role {
  margin: .5rem 0 1.5rem;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--gold-dark);
}
.person__cv { list-style: none; border-top: 1px solid var(--line); }
.person__cv li {
  padding: .8rem 0;
  border-bottom: 1px solid var(--line);
  font-size: .9375rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

.practice { margin-top: clamp(5rem, 10vw, 9rem); }
.practice__title {
  margin-bottom: 2rem;
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 400;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--gold-dark);
}
.practice__list { border-top: 1px solid var(--line); }
.practice__list > div {
  display: grid;
  gap: .5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}
.practice__list dt {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 1.15rem + .8vw, 1.8rem);
  line-height: 1.15;
}
.practice__list dd { max-width: 40rem; color: var(--ink-soft); }

@media (min-width: 900px) {
  .studio__head {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: end;
  }
  .studio__head .label { grid-column: 1 / -1; }
  .studio__head .h2 { grid-column: 1 / span 7; }
  .studio__intro { grid-column: 8 / span 5; margin: 0 0 .5rem; }

  .studio__people {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: start;
  }
  .person--a { grid-column: 1 / span 5; }
  .person--b { grid-column: 7 / span 5; width: auto; margin: clamp(8rem, 16vw, 14rem) 0 0; }

  .practice {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
  }
  .practice__title { grid-column: 1 / span 3; }
  .practice__list { grid-column: 4 / -1; }
  .practice__list > div { grid-template-columns: minmax(0, 3fr) minmax(0, 6fr); column-gap: var(--gap); padding: 2rem 0; }
}

/* ==========================================================================
   04 Processo (linha do tempo: a mesma barra de 1px do logo)
   ========================================================================== */
.process { padding-block: var(--section); }

.process__intro { max-width: 24rem; margin: 1.5rem 0 2rem; color: var(--ink-soft); }

.timeline {
  position: relative;
  margin-top: 4rem;
  list-style: none;
}
.timeline::before,
.timeline::after {
  content: "";
  position: absolute;
  left: 0; top: .4rem; bottom: 0;
  width: 1px;
  background: var(--gold);
}
.timeline::before { opacity: .25; }
.timeline::after {
  transform-origin: top;
  transform: scaleY(var(--progress, 1));
}

.step {
  position: relative;
  padding: 0 0 clamp(3rem, 6vw, 5rem) clamp(2rem, 5vw, 4rem);
}
.step:last-child { padding-bottom: 0; }
.step::before {
  content: "";
  position: absolute;
  z-index: 1;
  left: -4px; top: .3rem;
  width: 9px; height: 9px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: var(--cream);
  transition: background-color .6s var(--ease);
}
.step.is-active::before { background: var(--gold); }

.step__n { display: block; margin-bottom: .75rem; font-family: var(--mono); font-size: .75rem; color: var(--gold-dark); }
.step__title { margin-bottom: 1rem; font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.3rem); }
.step p { max-width: 34rem; color: var(--ink-soft); }

@media (min-width: 900px) {
  .process__grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: start;
  }
  .process__aside {
    grid-column: 1 / span 5;
    position: sticky;
    top: calc(var(--header-h) + 3rem);
  }
  .timeline { grid-column: 7 / -1; margin-top: 3.5rem; }
}

/* ==========================================================================
   05 Avaliações e Instagram
   ========================================================================== */
.proof { padding-bottom: var(--section); }
.proof .vline { margin-bottom: clamp(3rem, 6vw, 5rem); }

.proof__score {
  margin: 0 0 2.5rem -.04em;
  font-family: var(--serif);
  font-size: clamp(7rem, 4rem + 14vw, 16rem);
  line-height: .85;
  letter-spacing: -.03em;
  font-variant-numeric: lining-nums;
  color: var(--gold);
}
.proof__title {
  margin-bottom: 1rem;
  font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.3rem);
}
.proof__text p { max-width: 26rem; color: var(--ink-soft); }
.proof__text .link { margin-top: .5rem; }

/* Depoimentos (bloco comentado no HTML; use só textos reais) */
.testimonials { display: grid; gap: 3rem; margin-top: clamp(4rem, 9vw, 8rem); }
.testimonial { padding-top: 1.5rem; border-top: 1px solid var(--line); }
.testimonial blockquote { margin: 0 0 1.25rem; font-family: var(--serif); font-size: clamp(1.25rem, 1.05rem + .7vw, 1.6rem); line-height: 1.4; }
.testimonial figcaption { font-family: var(--mono); font-size: .75rem; color: var(--gold-dark); }
@media (min-width: 900px) {
  .testimonials { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); }
  .testimonial { grid-column: span 5; }
  .testimonial:nth-child(even) { grid-column: 7 / span 5; margin-top: 4rem; }
}

.insta { margin-top: clamp(5rem, 11vw, 10rem); }
.insta__handle {
  margin-bottom: .75rem;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 1rem + 1.2vw, 1.9rem);
  line-height: 1.15;
  overflow-wrap: anywhere;
}
.insta__handle a { text-decoration: none; }
.insta__handle a:hover { text-decoration: underline; text-decoration-color: var(--gold); }
.insta__text p:not(.label):not(.insta__handle) { color: var(--ink-soft); }

.insta__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: 2.5rem;
  list-style: none;
}
.insta__grid li:nth-child(even) { margin-top: 2.5rem; }

@media (min-width: 900px) {
  .proof__rating {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: end;
  }
  .proof__rating .label { grid-column: 1 / -1; }
  .proof__score { grid-column: 1 / span 6; margin-bottom: 0; }
  .proof__text { grid-column: 7 / span 5; padding-bottom: 1rem; }

  .insta {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: start;
  }
  .insta__text { grid-column: 1 / span 5; position: sticky; top: calc(var(--header-h) + 3rem); }
  .insta__grid { grid-column: 7 / -1; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 0; }
  .insta__grid li:nth-child(even) { margin-top: 4rem; }
}

/* ==========================================================================
   06 Vídeo
   ========================================================================== */
.video { padding-block: var(--section); background: var(--sand); }

.video__title { margin-bottom: 1.25rem; font-size: clamp(2rem, 1.4rem + 2.4vw, 3.5rem); line-height: 1.06; }
.video__text p:not(.label) { max-width: 22rem; color: var(--ink-soft); }
.video__text a { text-decoration-color: var(--gold); }

.video__player {
  position: relative;
  margin-top: 2.5rem;
  aspect-ratio: 16 / 9;
  background: var(--dark);
}
.video__player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.video__play {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  overflow: hidden;
}
.video__play img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease); }
.video__play::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(26, 22, 18, .62) 0%, rgba(26, 22, 18, .22) 30%, rgba(26, 22, 18, .22) 100%);
}
.video__icon {
  position: absolute;
  z-index: 1;
  left: 50%; top: 50%;
  display: grid;
  place-items: center;
  width: clamp(4.5rem, 9vw, 6.5rem);
  aspect-ratio: 1;
  border: 1px solid var(--champagne);
  border-radius: 50%;
  color: var(--cream);
  transform: translate(-50%, -50%);
  transition: background-color .45s var(--ease), color .45s var(--ease);
}
.video__icon svg { width: 34%; fill: currentColor; margin-left: 6%; }
.video__hint {
  position: absolute;
  z-index: 1;
  left: 1.25rem; bottom: 1rem;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--cream);
}
.video__play:hover img { transform: scale(1.03); }
.video__play:hover .video__icon { background: var(--cream); color: var(--ink); }

@media (min-width: 900px) {
  .video__grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: end;
  }
  .video__text { grid-column: 1 / span 4; }
  .video__player { grid-column: 5 / -1; margin-top: 0; }
}

/* ==========================================================================
   07 Contato (seção escura)
   ========================================================================== */
.contact {
  padding-bottom: var(--section);
  background: var(--dark);
  color: var(--cream);
}
.contact .vline { position: relative; z-index: 1; margin-bottom: clamp(3rem, 6vw, 5rem); }
.contact .ring { --ring: clamp(24rem, 56vw, 50rem); left: calc(var(--ring) * -.3); top: calc(var(--ring) * -.28); }

/* "S" do monograma como marca d'água */
.watermark {
  position: absolute;
  z-index: 0;
  right: -4vw;
  bottom: -6vh;
  height: clamp(26rem, 88vh, 52rem);
  width: auto;
  color: var(--champagne);
  opacity: .07;
  pointer-events: none;
}

.contact__head .h2 { max-width: 12ch; }
.contact__head p:not(.label) { max-width: 30rem; margin-top: 1.5rem; color: var(--cream-muted); }

/* Formulário */
.form {
  position: relative;
  display: grid;
  align-items: start;
  gap: 1.75rem;
  margin-top: 3rem;
}

.field { position: relative; }
.field label {
  display: block;
  margin-bottom: .4rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .02em;
  color: var(--cream-muted);
}
.field__opt { opacity: .75; }

.field input,
.field select,
.field textarea {
  display: block;
  width: 100%;
  padding: .55rem 0 .7rem;
  border: 0;
  border-bottom: 1px solid rgba(247, 245, 242, .38);
  border-radius: 0;
  background: transparent;
  color: var(--cream);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.4;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color .3s, box-shadow .3s;
}
.field textarea { min-height: 7.5rem; resize: vertical; }
.field select {
  padding-right: 1.75rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23D9BE84' stroke-width='1'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .2rem center;
  background-size: .75rem;
  cursor: pointer;
}
.field select option { color: var(--ink); background: var(--cream); }
.field ::placeholder { color: rgba(247, 245, 242, .45); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--champagne);
  box-shadow: 0 1px 0 0 var(--champagne);
}
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible { outline: none; }

.field--unit input { padding-right: 2.5rem; }
.field__unit {
  position: absolute;
  right: 0;
  bottom: .75rem;
  font-family: var(--mono);
  font-size: .8125rem;
  color: var(--cream-muted);
}

.field__error {
  min-height: 0;
  margin: .45rem 0 0;
  font-size: .8125rem;
  color: #F0C9A0;
}
.field__error:empty { display: none; }
.field.is-invalid input,
.field.is-invalid select { border-bottom-color: #F0C9A0; }

.form__foot { display: grid; gap: 1rem; justify-items: start; margin-top: .5rem; }
.form__note { margin: 0; max-width: 24rem; font-size: .8125rem; color: var(--cream-muted); }

.form__status {
  padding: 1.5rem;
  border: 1px solid var(--line-light);
  border-left: 1px solid var(--champagne);
  background: rgba(26, 22, 18, .6);
}
.form__status[hidden] { display: none; }
.form__status:focus { outline: none; }
.form__status-title {
  margin-bottom: .5rem;
  font-family: var(--serif);
  font-size: 1.6rem;
  line-height: 1.15;
}
.form__status p:not(.form__status-title) { color: var(--cream-muted); }
.form__status a { color: var(--cream); text-decoration-color: var(--champagne); }
.form__status .link { margin-top: 1rem; }

.form.is-sent .field,
.form.is-sent .form__foot { display: none; }

/* Informações */
.contact__info { margin-top: 4.5rem; }
.contact__info dl > div {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line-light);
}
.contact__info dt {
  padding-top: .2rem;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--champagne);
}
.contact__info dd { font-size: .9375rem; line-height: 1.6; }
.contact__info address { margin-bottom: .35rem; }
.contact__info a { text-decoration-color: var(--champagne); }
.contact__info a:hover { color: var(--champagne); }
.contact__social { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }

.map {
  margin-top: 1.5rem;
  aspect-ratio: 4 / 3;
  background: #221D18;
  border: 1px solid var(--line-light);
}
.map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(1) contrast(1.05);
}

@media (min-width: 600px) {
  .form { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 2rem; }
  .field--full, .form__foot, .form__status { grid-column: 1 / -1; }
}

@media (min-width: 900px) {
  .contact__grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: start;
  }
  .contact__head { grid-column: 1 / span 7; }
  .form { grid-column: 1 / span 7; margin-top: 3.5rem; }
  .contact__info { grid-column: 9 / -1; grid-row: 1 / span 2; margin-top: .4rem; }
}

/* ==========================================================================
   Footer: monograma grande, centralizado, antes dos dados
   ========================================================================== */
.footer {
  padding: clamp(4.5rem, 9vw, 7rem) 0 6.5rem;
  font-size: .9375rem;
}

.footer__mark {
  display: grid;
  place-items: center;
  width: clamp(9.5rem, 20vw, 12.5rem);
  aspect-ratio: 1;
  margin: 0 auto;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  text-decoration: none;
  transition: background-color .4s var(--ease);
}
.footer__mark .mono { width: 58%; }
.footer__mark:hover { background: rgba(163, 114, 16, .06); }

.footer__claim {
  margin: 1.75rem auto 0;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 1.1rem + .8vw, 1.75rem);
  line-height: 1.3;
  text-align: center;
}

.footer__grid {
  display: grid;
  gap: 2.25rem;
  margin-top: clamp(3.5rem, 7vw, 5.5rem);
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}
.footer__label {
  margin-bottom: .6rem;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--gold-dark);
}
.footer__col { color: var(--ink-soft); }
.footer__col ul { list-style: none; }
.footer__col a { text-decoration: none; }
.footer__col a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--gold); }

.footer__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 2rem;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--ink-soft);
}
.footer__base p { margin: 0; }

@media (min-width: 600px) {
  .footer__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: var(--gap); }
}
@media (min-width: 900px) {
  .footer { padding-bottom: 3rem; }
  .footer__grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .footer__col:nth-of-type(1) { grid-column: 1 / span 4; }
  .footer__col:nth-of-type(2) { grid-column: 6 / span 3; }
  .footer__col:nth-of-type(3) { grid-column: 10 / span 3; }
  .footer__base { padding-right: 5rem; }
}

/* ==========================================================================
   Lightbox
   ========================================================================== */
.lightbox {
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--dark);
  color: var(--cream);
}
.lightbox[open] {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  animation: fade .35s var(--ease);
}
.lightbox::backdrop { background: rgba(26, 22, 18, .9); }
html:has(.lightbox[open]) { overflow: hidden; }

@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.lightbox__bar,
.lightbox__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem var(--gutter);
}
.lightbox__count { margin: 0; font-family: var(--mono); font-size: .75rem; color: var(--champagne); }
.lightbox__close {
  min-height: 2.75rem;
  padding: 0 .25rem;
  border: 0;
  background: none;
  font-family: var(--mono);
  font-size: .8125rem;
  cursor: pointer;
}
.lightbox__close span { margin-left: .35rem; font-size: 1.1rem; }

.lightbox__figure {
  position: relative;
  min-height: 0;
  margin: 0 var(--gutter);
}
.lightbox__figure img {
  position: absolute;
  inset: 0;
  margin: auto;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
}
.lightbox__figure img.is-swapping { animation: fade .45s var(--ease); }

.lightbox__title { margin: 0; font-family: var(--serif); font-size: 1.4rem; line-height: 1.15; font-variant-numeric: lining-nums; }
.lightbox__meta { margin: .2rem 0 0; font-family: var(--mono); font-size: .75rem; color: var(--cream-muted); }

.lightbox__nav { display: flex; gap: .5rem; }
.lightbox__nav button {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 2.75rem;
  border: 1px solid var(--line-light);
  background: none;
  cursor: pointer;
  transition: border-color .3s;
}
.lightbox__nav button:hover { border-color: var(--champagne); }
.lightbox__nav svg { width: 1.75rem; fill: none; stroke: currentColor; stroke-width: 1; }

/* ==========================================================================
   WhatsApp flutuante
   ========================================================================== */
.wa {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 45;
}

.wa__toggle {
  position: relative;
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border: 0;
  border-radius: 50%;
  background: var(--gold);
  color: var(--cream);
  box-shadow: 0 6px 20px rgba(26, 22, 18, .2);
  cursor: pointer;
  transition: transform .45s var(--ease), opacity .45s var(--ease), background-color .3s;
}
.wa__toggle svg { width: 1.65rem; height: 1.65rem; }
.wa__toggle:hover { background: var(--gold-dark); }
.wa__toggle::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--gold);
  border-radius: 50%;
  opacity: 0;
  animation: wa-pulse 7s var(--ease) 5s infinite;
}
@keyframes wa-pulse {
  0% { transform: scale(1); opacity: .8; }
  14% { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}
.wa.is-open .wa__toggle::after { animation: none; }

/* Esconde o botão quando o formulário de contato está na tela ou com o menu aberto */
.wa.is-tucked .wa__toggle { transform: translateY(160%); opacity: 0; pointer-events: none; }
.menu-open .wa { display: none; }

.wa__panel {
  position: fixed;
  left: .75rem; right: .75rem;
  bottom: calc(max(1rem, env(safe-area-inset-bottom)) + 4.5rem);
  display: flex;
  flex-direction: column;
  max-height: calc(100svh - 7rem);
  border: 1px solid var(--line);
  background: var(--cream);
  color: var(--ink);
  box-shadow: 0 20px 50px rgba(26, 22, 18, .18);
  visibility: hidden;
  opacity: 0;
  transform: translateY(10px);
  transform-origin: bottom right;
  transition: opacity .35s var(--ease), transform .35s var(--ease), visibility 0s linear .35s;
}
.wa.is-open .wa__panel {
  visibility: visible;
  opacity: 1;
  transform: none;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}

.wa__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .8rem;
  padding: .85rem .85rem .85rem 1rem;
  background: var(--dark);
  color: var(--cream);
}
/* Monograma no fio circular do logo */
.wa__avatar {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--champagne);
  border-radius: 50%;
  color: var(--champagne);
}
.wa__avatar .mono { width: 66%; }
.wa__name { margin: 0; font-family: var(--serif); font-size: 1.15rem; line-height: 1.15; }
.wa__status {
  display: flex;
  align-items: center;
  gap: .4rem;
  margin: .2rem 0 0;
  font-family: var(--mono);
  font-size: .6875rem;
  color: var(--cream-muted);
}
.wa__dot { display: none; width: 7px; height: 7px; flex: none; border-radius: 50%; background: #7FBF8E; }
.wa__status.is-online .wa__dot { display: inline-block; }
.wa__close {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  background: none;
  cursor: pointer;
}
.wa__close svg { width: 1.1rem; fill: none; stroke: currentColor; stroke-width: 1.2; }

.wa__body { padding: 1.1rem 1rem .5rem; overflow-y: auto; }
.wa__bubble {
  position: relative;
  margin: 0 2.5rem 1.1rem 0;
  padding: .75rem .9rem;
  border: 1px solid var(--line);
  border-radius: 0 10px 10px 10px;
  background: #FFFDF9;
  font-size: .9375rem;
  line-height: 1.45;
}
.wa__quick { display: grid; gap: .45rem; list-style: none; }
.wa__quick button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  width: 100%;
  min-height: 2.75rem;
  padding: .55rem .85rem;
  border: 1px solid var(--line);
  background: none;
  font-size: .875rem;
  text-align: left;
  cursor: pointer;
  transition: border-color .3s, background-color .3s;
}
.wa__quick button::after { content: "→"; color: var(--gold-dark); }
.wa__quick button:hover { border-color: var(--gold); background: rgba(233, 227, 216, .55); }

.wa__form {
  display: flex;
  gap: .5rem;
  padding: .75rem 1rem 1rem;
}
.wa__form input {
  flex: 1;
  min-width: 0;
  height: 2.75rem;
  padding: 0 .85rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #FFFDF9;
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
}
.wa__form input:focus { outline: none; border-color: var(--gold); }
.wa__form button {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  flex: none;
  border: 0;
  background: var(--gold-dark);
  color: var(--cream);
  cursor: pointer;
  transition: background-color .3s;
}
.wa__form button:hover { background: var(--ink); }
.wa__form svg { width: 1.2rem; fill: none; stroke: currentColor; stroke-width: 1.4; }

@media (min-width: 600px) {
  .wa__panel {
    position: absolute;
    left: auto; right: 0;
    bottom: calc(100% + .9rem);
    width: 22rem;
    max-height: calc(100vh - 8rem);
  }
}

/* ==========================================================================
   Tablet (600–899px): duas colunas desencontradas em vez de uma pilha longa
   ========================================================================== */
@media (min-width: 600px) and (max-width: 899px) {
  .manifesto__figure { width: 58%; margin-left: auto; }

  .projects__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: start;
  }
  .projects__grid .project { width: auto; margin-left: 0; }
  .project[data-pos="1"], .project[data-pos="3"], .project[data-pos="5"], .project[data-pos="7"] { margin-top: 6rem; }

  .studio__people { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--gap); align-items: start; }
  .person--b { width: auto; margin: 7rem 0 0; }

  .insta__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

  .contact__info dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--gap); }
  .contact__info dl > div { grid-template-columns: 1fr; gap: .25rem; }
}

/* ==========================================================================
   Revelação ao rolar (só com JS ativo)
   ========================================================================== */
.js [data-reveal] {
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
}
.js [data-reveal]:not(.is-in) {
  opacity: 0;
  transform: translate3d(0, 26px, 0);
}
.js .vline[data-reveal] { transition: transform 1.3s var(--ease); }
.js .vline[data-reveal]:not(.is-in) { opacity: 1; transform: scaleY(0); }
.js .ring[data-reveal] { transition: opacity 1.8s var(--ease), transform 1.8s var(--ease); }
.js .ring[data-reveal]:not(.is-in) { opacity: 0; transform: scale(.94); }
.js [data-reveal]:not(.is-in) .mark { background-size: 0 1px; }

/* ==========================================================================
   Movimento reduzido
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0s !important;
    transition-duration: .001ms !important;
    transition-delay: 0s !important;
  }
  .js .hero__media img { animation: none; }
  .intro .loader { display: none; }
  .js [data-reveal]:not(.is-in) { opacity: 1; transform: none; }
  .js [data-reveal]:not(.is-in) .mark { background-size: 100% 1px; }
  .wa__toggle::after { display: none; }
  .zoom:hover img, .video__play:hover img { transform: none; }
}