/* =====================================================================
   ELEM — identidade digital (v2)
   Paleta oficial: preto #000, branco, cinza #8C8C8C, grafite #303030
   e uma cor por elemento. A própria Elem usa só branco sobre preto.

   Tudo em rem, e o rem cresce com a largura da tela: ao afastar o zoom
   o layout ocupa o espaço extra em vez de virar uma coluna estreita.
   ===================================================================== */

:root {
  --bg: #000000;
  --ink: #ffffff;
  --muted: #8c8c8c;      /* 6,2:1 sobre o preto (AA) */
  --graphite: #303030;
  --soft: #b4b4b4;       /* texto de apoio */

  --water: #0a84ff;      /* Água · Automação */
  --air: #c8e1f0;        /* Ar · Presença digital */
  --fire: #ff3b30;       /* Fogo · Código */
  --earth: #ffb000;      /* Terra · Arquitetura digital */

  --el: #ffffff;         /* cor do elemento ativo (muda por página/painel) */
  --logo: #ffffff;       /* quadrado do logotipo */

  --line: rgba(255, 255, 255, 0.12);
  --surface: rgba(255, 255, 255, 0.035);

  --font: "Helvetica Neue", Helvetica, Arial, "Liberation Sans", system-ui, sans-serif;
  --header-h: 3.75rem;
  --gutter: clamp(1.25rem, 3.4vw, 4.5rem);
  --maxw: 100rem;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  color-scheme: dark;
}

html[data-el="agua"]  { --el: var(--water);  --logo: var(--water); }
html[data-el="ar"]    { --el: var(--air);    --logo: var(--air); }
html[data-el="fogo"]  { --el: var(--fire);   --logo: var(--fire); }
html[data-el="terra"] { --el: var(--earth);  --logo: var(--earth); }

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

html {
  /* 16px até ~1000px; depois cresce com a tela (1920px ≈ 19,5px; 3840px ≈ 31px) */
  font-size: clamp(16px, calc(8px + 0.6vw), 44px);
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

img, svg, canvas { display: block; max-width: 100%; }
h1, h2, h3, h4, p, ul, ol, figure, dl { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; text-align: inherit; }
[hidden] { display: none !important; }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 0.25rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: fixed; left: 1rem; top: -4rem; z-index: 100;
  background: var(--ink); color: #000; padding: 0.6rem 1rem; border-radius: 0.5rem; font-weight: 700;
}
.skip:focus { top: 1rem; }

.wrap { width: min(100% - 2 * var(--gutter), var(--maxw)); margin-inline: auto; }

/* ---------- Fundo vivo (WebGL) ---------- */
.stage {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  view-transition-name: bg;
}
.stage canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0; transition: opacity 1.2s ease;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 7rem);
          mask-image: linear-gradient(to bottom, transparent 0, #000 7rem);
}
.stage.gl-ready canvas { opacity: 1; }
/* Sem WebGL: grade de pontos estática */
.stage::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16) 0.06rem, transparent 0.09rem) 0 0 / 2.25rem 2.25rem;
  opacity: 0.8;
}
.stage.gl-ready::before { opacity: 0; }
/* Véu de leitura: protege o texto sem apagar a cena */
.stage::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.45) 46%, rgba(0, 0, 0, 0) 78%);
  transition: opacity 0.6s ease;
}
html[data-page="home"] .stage::after,
html[data-page="elementos"] .stage::after { opacity: 1; }
html[data-page="manifesto"] .stage::after { background: radial-gradient(68% 78% at 50% 52%, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.14) 100%); }
html[data-page="contato"] .stage::after { background: radial-gradient(60% 70% at 50% 50%, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.1) 100%); }
html[data-page="metodo"] .stage::after,
html[data-page="cases"] .stage::after,
html[data-page="projetos"] .stage::after { background: rgba(0, 0, 0, 0.62); }

/* ---------- Cabeçalho (menu em painéis, como a Vercel) ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  view-transition-name: hdr;
}
.header::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: -1;
  background: linear-gradient(#000 35%, rgba(0, 0, 0, 0));
  transition: background 0.2s;
}
.header[data-open="true"]::before { background: #000; }
.header[data-open="true"] { border-bottom: 1px solid var(--graphite); }
.header__bar { display: flex; align-items: center; gap: 1.6rem; height: 100%; }

.logo { display: inline-flex; align-items: center; gap: 0.6rem; flex: none; }
.logo__mark {
  width: 1.45rem; height: 1.45rem; border-radius: 0.38rem;
  background: var(--logo); transition: background-color 0.5s;
}
.logo__word { font-weight: 800; letter-spacing: 0.04em; font-size: 1.1rem; color: var(--ink); }

.nav { display: flex; align-items: center; flex: 1; min-width: 0; }
.nav__list { display: flex; align-items: center; gap: 0.1rem; }
.nav__item > a,
.nav__item > button {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.5rem 0.8rem; border-radius: 0.5rem;
  font-size: 0.9rem; color: var(--muted); transition: color 0.15s;
}
.nav__item > a:hover, .nav__item > button:hover,
.nav__item > button[aria-expanded="true"],
.nav__item > [aria-current="page"] { color: var(--ink); }
.nav__chev { width: 0.55rem; height: 0.55rem; transition: transform 0.2s; }
.nav__item > button[aria-expanded="true"] .nav__chev { transform: rotate(180deg); }
.nav__side { margin-left: auto; display: flex; align-items: center; gap: 0.6rem; }

/* Painel largo, como em vercel.com */
.mm {
  position: absolute; left: 0; right: 0; top: 100%;
  background: #000; border-bottom: 1px solid var(--graphite);
  opacity: 0; visibility: hidden; transform: translateY(-0.4rem);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0s linear 0.18s;
}
.mm[data-open="true"] { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.mm__grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.25fr);
  gap: 2rem; padding-block: 1.6rem 2.2rem;
}
.mm__h { font-size: 0.82rem; color: var(--muted); margin-bottom: 0.7rem; }
.mm__list { display: grid; gap: 0.15rem; }
.mm__link {
  display: flex; align-items: center; gap: 0.7rem; padding: 0.22rem 0;
  font-size: 1.32rem; font-weight: 500; letter-spacing: -0.02em; color: var(--ink);
  transition: color 0.15s;
}
.mm__link .tri { width: 1.05rem; height: 1.05rem; color: var(--c, var(--ink)); flex: none; }
.mm__link:hover, .mm__link:focus-visible { color: var(--c, var(--ink)); }
.mm__preview { position: relative; min-height: 8rem; font-size: 0.95rem; color: var(--soft); }
.mm__preview [data-pv] { display: none; }
.mm__preview [data-pv][data-on="true"] { display: block; animation: rise 0.3s ease both; }
.mm__preview p { max-width: 28ch; }
.mm__shot { border: 1px solid var(--graphite); border-radius: 0.7rem; overflow: hidden; background: #050505; max-width: 19rem; }
.mm__shot img { width: 100%; height: auto; max-height: 10.5rem; object-fit: contain; object-position: center; }
.mm__shot--phone img { padding: 0.5rem; }
.mm__shot figcaption { padding: 0.5rem 0.8rem; font-size: 0.8rem; color: var(--muted); border-top: 1px solid var(--graphite); }

.scrim {
  position: fixed; inset: 0; z-index: 40; background: rgba(0, 0, 0, 0.6);
  opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0s linear 0.2s;
}
.scrim[data-on="true"] { opacity: 1; visibility: visible; transition-delay: 0s; }

.menu-btn { display: none; width: 2.6rem; height: 2.6rem; margin-left: auto; border-radius: 0.5rem; position: relative; }
.menu-btn__bars, .menu-btn__bars::before {
  position: absolute; left: 0.75rem; right: 0.75rem; height: 2px; background: var(--ink); border-radius: 1px;
  transition: transform 0.25s var(--ease), top 0.25s var(--ease);
}
.menu-btn__bars { top: 1.0rem; }
.menu-btn__bars::before { content: ""; left: 0; right: 0; top: 0.5rem; }
.menu-btn[aria-expanded="true"] .menu-btn__bars { top: 1.25rem; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-btn__bars::before { top: 0; transform: rotate(-90deg); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 2.4rem; padding: 0.45rem 1rem; border-radius: 0.5rem;
  font-size: 0.9rem; font-weight: 600; line-height: 1.1; white-space: nowrap;
  border: 1px solid transparent; transition: background-color 0.18s, color 0.18s, border-color 0.18s, transform 0.18s;
}
.btn--primary { background: var(--ink); color: #000; }
.btn--primary:hover { background: #d9d9d9; }
.btn--ghost { border-color: var(--graphite); color: var(--ink); background: rgba(0, 0, 0, 0.4); }
.btn--ghost:hover { background: #111; border-color: #4a4a4a; }
.btn--lg { min-height: 3.1rem; padding: 0.7rem 1.5rem; font-size: 1rem; border-radius: 999px; }
.btn:active { transform: translateY(1px); }

/* ---------- Estrutura das páginas ---------- */
.main {
  position: relative; z-index: 1; flex: 1; display: flex; flex-direction: column;
  padding-top: var(--header-h); outline: none;
  view-transition-name: page;
}
.page {
  flex: 1; display: grid; align-content: center;
  padding-block: clamp(1rem, 3.4vh, 4rem);
}

.eyebrow {
  display: flex; align-items: center; gap: 0.7rem;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--el);
  transition: color 0.4s;
}
.eyebrow::before { content: ""; width: 2.2rem; height: 1px; background: currentColor; }

.h1 {
  font-size: clamp(2rem, 4.4vw, 3.6rem); line-height: 1.02; letter-spacing: -0.04em; font-weight: 700;
  text-wrap: balance; max-width: 18ch;
}
.lead { font-size: 1.12rem; color: var(--soft); max-width: 46ch; line-height: 1.5; }

.tri { fill: none; stroke: currentColor; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }

/* Cor por elemento (acento local) */
.el-agua  { --el: var(--water); --c: var(--water); }
.el-ar    { --el: var(--air);   --c: var(--air); }
.el-fogo  { --el: var(--fire);  --c: var(--fire); }
.el-terra { --el: var(--earth); --c: var(--earth); }
.el-elem  { --el: #ffffff; --c: #ffffff; }
.ulink { color: var(--ink); text-decoration: underline; text-underline-offset: 0.25em; text-decoration-color: var(--graphite); white-space: nowrap; }
.ulink:hover { text-decoration-color: var(--ink); }
.mm__sub { display: block; font-size: 0.78rem; font-weight: 400; letter-spacing: 0; color: var(--muted); line-height: 1.2; }
.mm__preview strong { color: var(--c, var(--ink)); }
[data-tabs] > .tabs__list { margin-bottom: clamp(0.8rem, 2.2vh, 2rem); }
.elements__foot { margin-top: 0.7rem; font-size: 0.9rem; color: var(--muted); }
.elements__foot a { color: var(--ink); text-decoration: underline; text-underline-offset: 0.25em; text-decoration-color: var(--graphite); }
.elements__foot a:hover { text-decoration-color: var(--ink); }

/* ---------- Início ---------- */
.hero { display: grid; gap: clamp(2rem, 5vw, 6rem); align-items: center; }
@media (min-width: 60rem) {
  .hero { grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); }
}
.hero__kicker { display: flex; align-items: center; gap: 0.7rem; font-size: 0.9rem; color: var(--muted); }
.hero__kicker svg { width: 1.1rem; height: 1.1rem; color: var(--ink); }
.hero__title {
  margin-top: clamp(0.8rem, 2.2vh, 1.4rem); font-size: clamp(2.4rem, min(6.4vw, 8vh), 5rem); line-height: 0.98;
  letter-spacing: -0.048em; font-weight: 700; text-wrap: balance; max-width: 24ch;
}
.hero__lead { margin-top: clamp(0.8rem, 2.2vh, 1.4rem); font-size: 1.06rem; line-height: 1.42; color: var(--soft); max-width: 52ch; }
.hero__lead strong { color: var(--ink); font-weight: 600; }
.hero__actions { margin-top: clamp(1rem, 2.8vh, 1.9rem); display: flex; flex-wrap: wrap; gap: 0.7rem; }

.how { margin-top: clamp(0.9rem, 2.6vh, 2.4rem); padding-top: clamp(0.7rem, 1.8vh, 1.2rem); border-top: 1px solid var(--graphite); }
.how__h, .proof__h { font-size: 0.82rem; color: var(--muted); }
.how__list { margin-top: 0.8rem; display: grid; gap: 0.9rem; }
@media (min-width: 40rem) { .how__list { grid-template-columns: repeat(3, 1fr); } }
.how__item { display: grid; gap: 0.25rem; align-content: start; }
.how__tag { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.8rem; color: var(--c); font-weight: 600; }
.how__tag .tri { width: 0.9rem; height: 0.9rem; }
.how__item p { font-size: 0.98rem; line-height: 1.35; color: var(--ink); }

.proof { margin-top: clamp(0.8rem, 2vh, 1.4rem); display: flex; flex-wrap: wrap; align-items: center; gap: 0.9rem 1.4rem; }
.proof__list { display: flex; flex-wrap: wrap; gap: 0.8rem 1.4rem; }
.proof__item { display: flex; align-items: center; gap: 0.7rem; font-size: 0.92rem; font-weight: 600; }
.proof__item img { width: 2.9rem; height: 2.9rem; border-radius: 0.55rem; border: 1px solid var(--graphite); object-fit: cover; object-position: top; background: #0a0a0a; }
.proof__item small { display: block; font-size: 0.78rem; font-weight: 400; color: var(--muted); }
.proof__item:hover span { text-decoration: underline; text-underline-offset: 0.25em; }

@media (min-width: 60rem) and (max-height: 800px) {
  .hero__lead { font-size: 1rem; line-height: 1.38; }
  .hero__actions { margin-top: 0.8rem; }
  .how { margin-top: 0.8rem; padding-top: 0.6rem; }
  .how__list { margin-top: 0.55rem; gap: 0.7rem; }
  .how__item p { font-size: 0.92rem; }
  .proof { margin-top: 0.55rem; }
}

/* Os quatro elementos: ▽△ em cima, △▽ embaixo */
.launcher { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.8rem; }
.tile {
  --c: var(--ink);
  position: relative; display: flex; flex-direction: column; min-height: clamp(11rem, 26vh, 16.5rem);
  padding: 1.25rem; border-radius: 1.1rem; overflow: hidden;
  border: 1px solid var(--line); background: rgba(0, 0, 0, 0.55);
  transition: border-color 0.35s, background-color 0.35s, transform 0.35s var(--ease);
}
.tile::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.45s;
  background: radial-gradient(90% 70% at 0% 0%, color-mix(in srgb, var(--c) 22%, transparent), transparent 70%);
}
.tile:hover, .tile:focus-visible { border-color: color-mix(in srgb, var(--c) 70%, transparent); transform: translateY(-0.2rem); }
.tile:hover::before, .tile:focus-visible::before { opacity: 1; }
.tile__glyph { width: 3.4rem; height: 3.4rem; color: var(--c); margin-bottom: auto; transition: transform 0.5s var(--ease); }
.tile__glyph .tri { stroke-width: 1.7; fill: color-mix(in srgb, var(--c) 0%, transparent); transition: fill 0.4s; }
.tile:hover .tile__glyph, .tile:focus-visible .tile__glyph { transform: scale(1.12); }
.tile:hover .tile__glyph .tri, .tile:focus-visible .tile__glyph .tri { fill: color-mix(in srgb, var(--c) 22%, transparent); }
.tile__name { margin-top: 1.1rem; font-size: 1.55rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; }
.tile__svc { margin-top: 0.15rem; font-size: 0.88rem; color: var(--c); font-weight: 600; }
.tile__txt { margin-top: 0.5rem; font-size: 0.86rem; line-height: 1.35; color: var(--muted); min-height: 2.7em; }
.tile--agua  { --c: var(--water); }
.tile--ar    { --c: var(--air); }
.tile--fogo  { --c: var(--fire); }
.tile--terra { --c: var(--earth); }

/* ---------- Elementos (acordeão que você aprovou) ---------- */
.elements__head { margin-bottom: clamp(0.8rem, 2vh, 2.2rem); }
.elements__head .h1 { margin-top: clamp(0.6rem, 1.6vh, 1.1rem); max-width: 30ch; font-size: clamp(1.8rem, min(4.4vw, 5.6vh), 3.6rem); }
.elements__head .lead { margin-top: clamp(0.5rem, 1.4vh, 1rem); font-size: 0.95rem; }

.panels { display: grid; gap: 0.6rem; }
.panel {
  position: relative; border: 1px solid var(--line); border-radius: 1rem; overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.01)), rgba(0, 0, 0, 0.5);
  transition: border-color 0.4s;
}
.panel::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.5s;
  background: radial-gradient(80% 60% at 0% 0%, color-mix(in srgb, var(--el) 18%, transparent), transparent 70%);
}
.panel[data-active="true"] { border-color: color-mix(in srgb, var(--el) 60%, transparent); }
.panel[data-active="true"]::before { opacity: 1; }
.panel__title { font-size: 1rem; }
.panel__btn {
  width: 100%; display: grid; grid-template-columns: auto 1fr; grid-template-areas: "tri name" "tri svc";
  column-gap: 1.1rem; align-items: center; padding: 1.2rem; color: var(--el); position: relative;
}
.panel__btn .tri, .panel__btn .ring { grid-area: tri; width: 2rem; height: 2rem; }
.panel__name { grid-area: name; font-size: 1.4rem; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); line-height: 1.1; align-self: end; transition: color 0.4s; }
.panel__svc { grid-area: svc; font-size: 0.85rem; color: var(--muted); align-self: start; }
.panel[data-active="true"] .panel__name { color: var(--el); }
.panel__body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.5s var(--ease); position: relative; }
.panel[data-active="true"] .panel__body { grid-template-rows: 1fr; }
.panel__inner { overflow: hidden; padding-inline: 1.2rem; min-height: 0; }
.panel[data-active="true"] .panel__inner { padding-bottom: 1.4rem; }
.panel__quote { font-size: clamp(1.45rem, min(3.4vw, 3.8vh), 2.1rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; max-width: 22ch; }
.panel__quote em { font-style: normal; color: var(--el); }
.panel__text { margin-top: 0.7rem; color: var(--soft); max-width: 44ch; font-size: 0.95rem; }
.panel__list { margin-top: 0.8rem; display: grid; gap: 0.4rem; max-width: 44ch; }
.panel__list li { position: relative; padding-left: 1.2rem; font-size: 0.92rem; }
.panel__list li::before {
  content: ""; position: absolute; left: 0; top: 0.5em; width: 0.4rem; height: 0.4rem; border-radius: 0.1rem; background: var(--el);
}
.panel__more { margin-top: 1.2rem; display: inline-flex; font-size: 0.88rem; font-weight: 600; color: var(--el); }
.panel__more:hover { text-decoration: underline; text-underline-offset: 0.25em; }

@media (min-width: 60rem) {
  .panels { display: flex; gap: 0.75rem; min-height: clamp(21rem, 46vh, 34rem); }
  .panel { flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; transition: flex-grow 0.65s var(--ease), border-color 0.4s; }
  .panel[data-active="true"] { flex-grow: 3.2; }
  .panel__btn { grid-template-columns: 1fr; grid-template-areas: "tri" "name" "svc"; row-gap: 0.2rem; padding: 1.2rem 1.5rem 0.2rem; align-content: start; }
  .panel__btn .tri, .panel__btn .ring { width: 2.1rem; height: 2.1rem; margin-bottom: 4.4rem; transition: margin 0.65s var(--ease); }
  .panel[data-active="true"] .panel__btn .tri, .panel[data-active="true"] .panel__btn .ring { margin-bottom: 1.1rem; }
  .panel__name { font-size: 1.25rem; }
  .panel__body { display: block; flex: 1; }
  .panel__inner { min-width: 23rem; padding: 0.7rem 1.5rem 1.2rem; opacity: 0; visibility: hidden; transition: opacity 0.35s ease, visibility 0.35s; }
  .panel[data-active="true"] .panel__inner { opacity: 1; visibility: visible; transition-delay: 0.25s; }
  /* O texto de painéis fechados não ocupa altura: a linha cresce só até o que o painel aberto precisa */
  .panel:not([data-active="true"]) .panel__inner { position: absolute; left: 0; top: 0; width: 23rem; }
}

/* ---------- Abas (Cases, Projetos, Método) ---------- */
.tabs__list {
  display: inline-flex; flex-wrap: wrap; gap: 0.2rem; padding: 0.25rem;
  border: 1px solid var(--graphite); border-radius: 999px; background: rgba(0, 0, 0, 0.55);
}
.tab {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1.1rem; border-radius: 999px;
  font-size: 0.92rem; font-weight: 600; color: var(--muted); transition: background-color 0.25s, color 0.25s;
}
.tab .tri { width: 0.95rem; height: 0.95rem; color: var(--c, currentColor); }
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { background: var(--ink); color: #000; }
.tab[aria-selected="true"] .tri { color: #000; }
.tabpanel[hidden] { display: none; }

.split { display: grid; gap: clamp(1.6rem, 4vw, 4.5rem); align-items: center; }
@media (min-width: 60rem) { .split { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); } }
.pagehead { display: grid; gap: clamp(0.6rem, 1.6vh, 1.1rem); margin-bottom: clamp(0.8rem, 2vh, 2.2rem); }
.pagehead .h1 { max-width: 30ch; font-size: clamp(1.7rem, 3vw, 2.7rem); }
.pagehead .lead { font-size: 1rem; }

/* Cases */
.case__client { font-size: 0.85rem; font-weight: 700; color: var(--el); }
.case__title { margin-top: 0.4rem; font-size: clamp(1.8rem, 3vw, 2.6rem); letter-spacing: -0.04em; line-height: 1.04; max-width: 15ch; text-wrap: balance; }
.case__ask { margin-top: 1rem; color: var(--soft); max-width: 44ch; }
.case__feats { margin-top: 1.1rem; display: grid; gap: 0.7rem; }
.case__feats li { padding-left: 1rem; border-left: 1px solid var(--graphite); }
.case__feats h4 { font-size: 1.02rem; letter-spacing: -0.01em; }
.case__feats p { margin-top: 0.15rem; font-size: 0.9rem; color: var(--muted); max-width: 46ch; }
.case__result { margin-top: 1.1rem; padding-top: 1rem; border-top: 1px solid var(--graphite); font-size: 1.02rem; max-width: 46ch; }
.case__result b { display: block; font-size: 0.78rem; color: var(--el); margin-bottom: 0.2rem; font-weight: 700; }
.shots { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr) minmax(0, 1fr); align-items: end; gap: clamp(0.5rem, 1.4vw, 1.2rem); }
.shots img { width: 100%; height: auto; max-height: clamp(14rem, 46vh, 30rem); object-fit: contain; object-position: bottom; filter: drop-shadow(0 1rem 2rem rgba(0, 0, 0, 0.7)); }
.frame { border: 1px solid var(--graphite); border-radius: 0.9rem; overflow: hidden; background: #050505; }
.frame img { width: 100%; height: auto; }
.quad { margin-top: 1.3rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.6rem; }
.quad__item { padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: 0.8rem; background: rgba(0, 0, 0, 0.5); }
.quad__item .tri { width: 1.3rem; height: 1.3rem; color: var(--c); }
.quad__item h4 { margin-top: 0.5rem; font-size: 1rem; color: var(--c); }
.quad__item h4 span { font-size: 0.8rem; font-weight: 500; color: var(--muted); margin-left: 0.3rem; }
.quad__item p { margin-top: 0.3rem; font-size: 0.82rem; line-height: 1.35; color: var(--soft); }
.quad__item--agua { --c: var(--water); } .quad__item--ar { --c: var(--air); }
.quad__item--fogo { --c: var(--fire); } .quad__item--terra { --c: var(--earth); }

/* Projetos conceito */
.concept__img { width: 100%; height: auto; border: 1px solid var(--graphite); border-radius: 0.9rem; background: #050505; }
.concept__kind { font-size: 0.85rem; font-weight: 700; color: var(--el); }
.concept__title { margin-top: 0.5rem; font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -0.045em; line-height: 1; }
.concept__text { margin-top: 1rem; color: var(--soft); max-width: 42ch; }
.chips { margin-top: 1.3rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chips li { padding: 0.3rem 0.7rem; border: 1px solid var(--graphite); border-radius: 999px; font-size: 0.8rem; color: var(--soft); }

/* Método */
.method .h1 { font-size: clamp(1.7rem, min(3vw, 5.6vh), 2.7rem); max-width: 26ch; }
.method { display: grid; gap: clamp(1.6rem, 4vw, 4rem); align-items: center; }
@media (min-width: 60rem) { .method { grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr); } }
.method__steps { margin-top: clamp(0.9rem, 2.4vh, 1.6rem); display: grid; }
.mstep { position: relative; border-top: 1px solid var(--graphite); padding-block: 0.2rem; }
.mstep:last-child { border-bottom: 1px solid var(--graphite); }
.mstep__btn { width: 100%; display: flex; align-items: center; gap: 1rem; padding: clamp(0.55rem, 1.6vh, 1rem) 0; }
.mstep__n { font-size: 0.9rem; color: var(--muted); font-variant-numeric: tabular-nums; min-width: 1.4rem; transition: color 0.3s; }
.mstep__t { font-size: clamp(1.15rem, 1.8vw, 1.5rem); font-weight: 700; letter-spacing: -0.025em; color: var(--muted); transition: color 0.3s; }
.mstep[data-active="true"] .mstep__t, .mstep__btn:hover .mstep__t { color: var(--ink); }
.mstep[data-active="true"] .mstep__n { color: var(--c); }
.mstep__body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.45s var(--ease); }
.mstep[data-active="true"] .mstep__body { grid-template-rows: 1fr; }
.mstep__in { overflow: hidden; min-height: 0; padding-left: 2.4rem; }
.mstep[data-active="true"] .mstep__in { padding-bottom: 1.2rem; }
.mstep__tag { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; font-weight: 700; color: var(--c); }
.mstep__tag .tri { width: 0.9rem; height: 0.9rem; }
.mstep__in p { margin-top: 0.4rem; color: var(--soft); max-width: 42ch; font-size: 0.98rem; }
.mstep--1 { --c: var(--earth); } .mstep--2 { --c: var(--fire); } .mstep--3 { --c: var(--water); }

.method__side { display: grid; gap: clamp(1rem, 2.8vh, 2.2rem); min-width: 0; }
.map { width: 100%; max-width: min(30rem, 58vh); margin-inline: auto; }
.map svg { width: 100%; height: auto; overflow: visible; }
.map__in, .map__out, .map__node { transition: opacity 0.5s, stroke 0.5s, fill 0.5s; }
.map [data-part] { opacity: 0.28; }
.map[data-step="1"] [data-part="in"] { opacity: 1; stroke: var(--earth); }
.map[data-step="2"] [data-part="node"] { opacity: 1; }
.map[data-step="2"] [data-part="node"] rect { fill: var(--fire); }
.map[data-step="2"] [data-part="in"] { opacity: 0.6; }
.map[data-step="3"] [data-part="out"], .map[data-step="3"] [data-part="node"] { opacity: 1; }
.map[data-step="3"] [data-part="out"] { stroke: var(--water); }
.map[data-step="3"] [data-part="in"] { opacity: 0.5; }
/* Legenda em três colunas: o ELEM fica exatamente sob o ícone do meio (o desenho é simétrico) */
.map__legend { display: grid; grid-template-columns: 1fr auto 1fr; align-items: baseline; margin-top: 0.6rem; font-size: 0.8rem; color: var(--muted); }
.map__legend > :first-child { justify-self: start; }
.map__legend > :last-child { justify-self: end; }
.map__name {
  justify-self: center; padding-left: 0.16em; font-size: 0.95rem; font-weight: 800; letter-spacing: 0.16em; color: var(--muted);
  transition: color 0.6s, text-shadow 0.6s;
}
/* Quando o fluxo chega na ELEM (o ícone acende), só o nome brilha em branco */
.map[data-step="2"] .map__name, .map[data-step="3"] .map__name {
  color: #fff;
  text-shadow: 0 0 0.45rem rgba(255, 255, 255, 0.85), 0 0 1.3rem rgba(255, 255, 255, 0.5), 0 0 2.8rem rgba(255, 255, 255, 0.28);
  animation: nameIgnite 1.5s ease-out both;
}
@keyframes nameIgnite {
  0% { color: var(--muted); text-shadow: 0 0 0 rgba(255, 255, 255, 0); }
  35% { color: #fff; text-shadow: 0 0 0.6rem #fff, 0 0 2rem rgba(255, 255, 255, 0.85), 0 0 4.5rem rgba(255, 255, 255, 0.5); }
  100% { color: #fff; text-shadow: 0 0 0.45rem rgba(255, 255, 255, 0.85), 0 0 1.3rem rgba(255, 255, 255, 0.5), 0 0 2.8rem rgba(255, 255, 255, 0.28); }
}

/* O que muda no seu bolso: um ganho por elemento */
.gain { width: 100%; max-width: 34rem; margin-inline: auto; padding-top: clamp(0.8rem, 2vh, 1.2rem); border-top: 1px solid var(--graphite); }
.gain__h { font-size: 0.82rem; font-weight: 600; color: var(--muted); }
.gain__tabs { margin-top: 0.6rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.gtab {
  --c: var(--ink); display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.4rem 0.85rem;
  border: 1px solid var(--graphite); border-radius: 999px; background: rgba(0, 0, 0, 0.5);
  font-size: 0.86rem; font-weight: 600; color: var(--muted); transition: color 0.25s, border-color 0.25s, background-color 0.25s;
}
.gtab .tri { width: 0.9rem; height: 0.9rem; color: var(--c); }
.gtab:hover { color: var(--ink); }
.gtab[aria-selected="true"] { color: var(--ink); border-color: var(--c); background: color-mix(in srgb, var(--c) 14%, #000); }
.gain__stack { margin-top: 0.85rem; display: grid; }
.gain__panel {
  grid-area: 1 / 1; display: grid; gap: 0.5rem; align-content: start;
  opacity: 0; visibility: hidden; transition: opacity 0.35s, visibility 0s linear 0.35s;
}
.gain__panel[data-on="true"] { opacity: 1; visibility: visible; transition-delay: 0s; }
.gain__row { display: grid; grid-template-columns: 3.9rem minmax(0, 1fr); gap: 0.6rem; font-size: 0.94rem; line-height: 1.38; }
.gain__row span { padding-top: 0.14rem; font-size: 0.78rem; font-weight: 600; color: var(--muted); }
.gain__row--before { color: var(--muted); }
.gain__row--after { color: var(--ink); font-weight: 600; letter-spacing: -0.01em; }
.gain__row--after span { color: var(--c); font-weight: 700; }
.gain__proof { padding-left: 4.5rem; font-size: 0.78rem; line-height: 1.4; color: var(--muted); }
.gain__src a { color: var(--soft); text-decoration: underline; text-underline-offset: 0.2em; text-decoration-color: var(--graphite); }
.gain__src a:hover { text-decoration-color: var(--ink); }

/* ---------- Manifesto ---------- */
.mf { width: min(100%, 58rem); margin-inline: auto; }
.mf__head { display: flex; align-items: center; gap: 1rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--line); margin-bottom: 1.2rem; }
.mf__mark { width: 1.9rem; height: 1.9rem; border-radius: 0.5rem; background: var(--ink); flex: none; }
.mf__title { font-size: 1.12rem; font-weight: 800; letter-spacing: 0.2em; text-transform: uppercase; }
.mf__sub { font-size: 0.88rem; color: var(--muted); margin-top: 0.1rem; }
/* O texto não fica mais em um bloco: ele é escrito direto sobre o fundo vivo, preso a um fio
   que acende na cor do elemento tocado. */
.mf__text { position: relative; padding-left: clamp(1.2rem, 3vw, 2.4rem); }
.mf__text::before, .mf__text::after {
  content: ""; position: absolute; left: 0; top: 0.2rem; bottom: 0.2rem; width: 2px; border-radius: 1px;
}
.mf__text::before { background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.34) 14%, rgba(255, 255, 255, 0.34) 86%, transparent); }
.mf__text::after {
  background: linear-gradient(to bottom, transparent, var(--el) 14%, var(--el) 86%, transparent);
  filter: drop-shadow(0 0 0.5rem var(--el)); opacity: 0; transition: opacity 0.5s;
}
html[data-el] .mf__text::after { opacity: 1; }
.mf__text p { text-shadow: 0 0 0.5rem #000, 0 0 1.5rem rgba(0, 0, 0, 0.9); }
.mf__quote { font-size: clamp(1.15rem, 2.3vw, 1.5rem); font-style: italic; color: var(--soft); line-height: 1.35; letter-spacing: -0.01em; }
.mf__p { margin-top: 1.1rem; font-size: clamp(1rem, 1.5vw, 1.12rem); line-height: 1.6; color: #e6e6e6; }
.mf__strong { margin-top: 1.1rem; font-size: clamp(1.02rem, 1.6vw, 1.2rem); font-weight: 700; line-height: 1.45; }
.mf__sign { margin-top: 1.5rem; font-size: 0.8rem; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; }
.w { color: inherit; font: inherit; cursor: pointer; border-bottom: 1px dashed var(--graphite); transition: color 0.35s, border-color 0.35s; }
.w[data-el="agua"].is-lit, .w[data-el="agua"]:hover, .w[data-el="agua"]:focus-visible { color: var(--water); border-color: var(--water); }
.w[data-el="ar"].is-lit, .w[data-el="ar"]:hover, .w[data-el="ar"]:focus-visible { color: var(--air); border-color: var(--air); }
.w[data-el="fogo"].is-lit, .w[data-el="fogo"]:hover, .w[data-el="fogo"]:focus-visible { color: var(--fire); border-color: var(--fire); }
.w[data-el="terra"].is-lit, .w[data-el="terra"]:hover, .w[data-el="terra"]:focus-visible { color: var(--earth); border-color: var(--earth); }
.w.is-lit, .w:hover, .w:focus-visible { text-shadow: 0 0 0.9rem color-mix(in srgb, currentColor 70%, transparent), 0 0 0.4rem #000; }
.five { margin-top: 1.4rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.2rem; }
.five__list { display: flex; gap: 0.4rem; }
.five__chip {
  --c: var(--ink); display: inline-flex; align-items: center; justify-content: center; width: 2.6rem; height: 2.6rem;
  border: 1px solid var(--graphite); border-radius: 0.7rem; color: var(--c); background: rgba(0, 0, 0, 0.5); transition: border-color 0.3s, background-color 0.3s;
}
.five__chip:hover, .five__chip:focus-visible, .five__chip[aria-pressed="true"] { border-color: var(--c); background: color-mix(in srgb, var(--c) 14%, #000); }
.five__chip .tri { width: 1.3rem; height: 1.3rem; }
.five__chip svg.ring { width: 1.3rem; height: 1.3rem; }
.five__cap { font-size: 0.85rem; color: var(--muted); }

/* ---------- Contato ---------- */
.contact { display: grid; gap: 1.4rem; max-width: 52rem; }
.contact .h1 { max-width: 16ch; font-size: clamp(2.2rem, 5.4vw, 4.2rem); }
.contact__actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 0.4rem; }
.contact__handle { font-size: 0.92rem; color: var(--muted); }
.contact__handle a { color: var(--ink); text-decoration: underline; text-underline-offset: 0.25em; text-decoration-color: var(--graphite); }
.contact__handle a:hover { text-decoration-color: var(--ink); }

/* ---------- Agendar mapeamento: uma mensagem da equipe, e o número do visitante como resposta ---------- */
html:has(dialog[open]) { overflow: hidden; }
.chat {
  width: min(27rem, calc(100% - 2rem)); max-height: calc(100dvh - 2rem); padding: 0; overflow: auto;
  border: 1px solid var(--graphite); border-radius: 1.2rem; background: #050505; color: var(--ink);
  box-shadow: 0 2rem 6rem -1rem rgba(0, 0, 0, 0.9);
}
.chat::backdrop { background: rgba(0, 0, 0, 0.62); backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px); }
.chat[open] { animation: chatIn 0.4s var(--ease) both; }
@keyframes chatIn { from { opacity: 0; transform: translateY(1rem) scale(0.98); } }
@keyframes sheetIn { from { transform: translateY(100%); } }
@keyframes bubble { from { opacity: 0; transform: translateY(0.4rem) scale(0.97); } }
@keyframes elPulse { 0%, 100% { opacity: 0.3; } 40% { opacity: 1; } }
@keyframes dot { 0%, 60%, 100% { opacity: 0.3; transform: none; } 30% { opacity: 1; transform: translateY(-0.2rem); } }

.chat__box { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; padding: 1.1rem 1.2rem 1.2rem; }
.chat__head { display: flex; align-items: center; gap: 0.7rem; padding-bottom: 0.9rem; border-bottom: 1px solid var(--line); }
.chat__avatar { flex: none; width: 2rem; height: 2rem; border-radius: 0.55rem; background: #fff; transition: box-shadow 0.8s; }
.chat__who { min-width: 0; }
.chat__name { font-size: 1rem; font-weight: 800; letter-spacing: 0.04em; line-height: 1.1; }
.chat__role { font-size: 0.8rem; color: var(--muted); }
.chat__els { margin-left: auto; display: flex; gap: 0.35rem; }
.chat__el { width: 1rem; height: 1rem; opacity: 0.35; transition: opacity 0.5s; }
.chat__el--agua { color: var(--water); } .chat__el--ar { color: var(--air); }
.chat__el--fogo { color: var(--fire); } .chat__el--terra { color: var(--earth); }
.chat__el:nth-child(2) { animation-delay: 0.18s; } .chat__el:nth-child(3) { animation-delay: 0.36s; } .chat__el:nth-child(4) { animation-delay: 0.54s; }
.chat[data-state="sending"] .chat__el { animation: elPulse 1.2s ease-in-out infinite; }
.chat[data-state="done"] .chat__el { opacity: 1; }
.chat[data-state="done"] .chat__avatar { box-shadow: 0 0 1.6rem rgba(255, 255, 255, 0.7); }
.chat__close { width: 2rem; height: 2rem; display: grid; place-items: center; border-radius: 0.5rem; color: var(--muted); transition: color 0.2s, background-color 0.2s; }
.chat__close:hover { color: var(--ink); background: rgba(255, 255, 255, 0.08); }
.chat__close svg { width: 0.9rem; height: 0.9rem; }

.chat__feed { display: grid; gap: 0.55rem; justify-items: start; }
.chat__msg {
  max-width: 94%; padding: 0.7rem 0.95rem; border: 1px solid var(--line); border-radius: 1rem 1rem 1rem 0.3rem;
  background: rgba(255, 255, 255, 0.07); font-size: 1rem; line-height: 1.4; animation: bubble 0.4s var(--ease) both;
}
.chat__msg--me { white-space: pre-line; justify-self: end; border-color: transparent; border-radius: 1rem 1rem 0.3rem 1rem; background: #fff; color: #000; font-weight: 600; }
.chat__typing { display: none; align-items: center; gap: 0.3rem; padding: 0.95rem 1rem; border: 1px solid var(--line); border-radius: 1rem 1rem 1rem 0.3rem; background: rgba(255, 255, 255, 0.07); }
.chat__typing i { width: 0.4rem; height: 0.4rem; border-radius: 50%; background: var(--soft); animation: dot 1s ease-in-out infinite; }
.chat__typing i:nth-child(2) { animation-delay: 0.15s; } .chat__typing i:nth-child(3) { animation-delay: 0.3s; }
.chat [data-msg="me"], .chat [data-msg="done"], .chat [data-msg="fail"], .chat__after { display: none; }
.chat[data-state="typing"] .chat__typing { display: inline-flex; }
.chat[data-state="typing"] [data-msg="ask"], .chat[data-state="typing"] .chat__form { display: none; }
.chat[data-state="sending"] [data-msg="me"], .chat[data-state="done"] [data-msg="me"], .chat[data-state="fail"] [data-msg="me"] { display: block; }
.chat[data-state="done"] [data-msg="done"], .chat[data-state="fail"] [data-msg="fail"] { display: block; }
.chat[data-state="sending"] .chat__form, .chat[data-state="done"] .chat__form, .chat[data-state="fail"] .chat__form { display: none; }
.chat[data-state="done"] .chat__after, .chat[data-state="fail"] .chat__after { display: flex; }

.chat__form { display: grid; gap: 0.6rem; }
.chat__send { min-height: 2.9rem; border-radius: 999px; font-size: 1rem; }
.chat__field {
  display: flex; align-items: center; gap: 0.5rem; padding: 0.3rem 0.3rem 0.3rem 0.95rem;
  border: 1px solid var(--graphite); border-radius: 999px; background: #000; transition: border-color 0.2s;
}
.chat__field:focus-within { border-color: var(--ink); }
.chat__cc { font-size: 0.95rem; font-weight: 600; color: var(--muted); }
.chat__field input { flex: 1; min-width: 0; padding: 0.55rem 0; border: 0; outline: 0; background: none; color: var(--ink); font: inherit; font-size: 1.05rem; }
.chat__field input::placeholder { color: #5c5c5c; }
.chat__field .btn { min-height: 2.5rem; padding-inline: 1.25rem; border-radius: 999px; }
.chat__err { font-size: 0.88rem; line-height: 1.35; color: var(--fire); }
.chat__hint { margin-top: 0.1rem; font-size: 0.78rem; line-height: 1.4; color: var(--muted); }
.chat__trap { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.chat__after { flex-wrap: wrap; justify-content: flex-end; gap: 0.6rem; }
.chat [data-chat-dm], .chat [data-chat-retry] { display: none; }
.chat[data-state="fail"] [data-chat-dm] { display: inline-flex; background: var(--ink); color: #000; border-color: transparent; }
.chat[data-state="fail"] [data-chat-retry] { display: inline-flex; }
.chat[data-state="fail"] .chat__after .btn--primary { display: none; }
@media (max-width: 40rem) {
  .chat { width: 100%; max-width: 100%; margin: auto 0 0; border-width: 1px 0 0; border-radius: 1.2rem 1.2rem 0 0; }
  .chat[open] { animation-name: sheetIn; }
}

/* ---------- Rodapé ---------- */
.footer { position: relative; z-index: 1; border-top: 1px solid var(--line); background: rgba(0, 0, 0, 0.75); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.8rem 2rem; padding-block: 0.9rem; font-size: 0.82rem; color: var(--muted); }
.footer__brand { display: flex; align-items: center; gap: 0.9rem; }
.footer__brand .logo__mark { width: 1rem; height: 1rem; border-radius: 0.28rem; }
.footer__brand .logo__word { font-size: 0.82rem; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 0.3rem 1.2rem; }
.footer__nav a:hover { color: var(--ink); }

/* ---------- Abertura (só na primeira visita da sessão) ---------- */
.opening { display: none; }
html.intro .opening {
  display: grid; place-items: center; position: fixed; inset: 0; z-index: 200; background: #000;
  animation: introOut 2.7s linear forwards;
}
.opening__row { display: flex; gap: clamp(1.2rem, 3vw, 2.4rem); align-items: center; animation: introRow 2.7s ease forwards; }
.opening__row svg { width: clamp(3.4rem, 8vw, 5.6rem); height: auto; overflow: visible; }
.opening__row path { fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 140; stroke-dashoffset: 140; animation: introDraw 0.7s var(--ease) forwards; }
.opening__row svg:nth-child(1) path { stroke: var(--water); animation-delay: 0.15s; }
.opening__row svg:nth-child(2) path { stroke: var(--air); animation-delay: 0.38s; }
.opening__row svg:nth-child(3) path { stroke: var(--fire); animation-delay: 0.61s; }
.opening__row svg:nth-child(4) path { stroke: var(--earth); animation-delay: 0.84s; }
.opening__word {
  position: absolute; font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 800; letter-spacing: 0.34em; padding-left: 0.34em;
  opacity: 0; animation: introWord 2.7s ease forwards;
}
@keyframes introDraw { to { stroke-dashoffset: 0; } }
@keyframes introRow { 0%, 48% { opacity: 1; transform: scale(1); } 62%, 100% { opacity: 0; transform: scale(0.82); } }
@keyframes introWord { 0%, 52% { opacity: 0; letter-spacing: 0.5em; } 66%, 80% { opacity: 1; letter-spacing: 0.34em; } 100% { opacity: 0; } }
@keyframes introOut { 0%, 78% { opacity: 1; visibility: visible; } 100% { opacity: 0; visibility: hidden; } }
@keyframes wipe { from { clip-path: inset(0 100% 0 0); opacity: 0; } to { clip-path: inset(0 0 0 0); opacity: 1; } }
@keyframes rise { from { opacity: 0; } to { opacity: 1; } }
html.intro [data-in] { opacity: 0; animation: rise 0.8s ease 2.0s forwards; }
html.intro [data-in="1"] { animation-delay: 2.1s; }
html.intro [data-in="2"] { animation-delay: 2.2s; }
html.intro [data-in="3"] { animation-delay: 2.3s; }
html.intro [data-in="4"] { animation-delay: 2.4s; }
html.intro [data-in="5"] { animation-delay: 2.5s; }
html.intro .hero__title[data-in] { animation-name: wipe; animation-duration: 1.1s; animation-timing-function: var(--ease); }

/* ---------- Transição entre páginas ---------- */
@keyframes vtOut { to { opacity: 0; transform: scale(0.992); } }
@keyframes vtIn { from { opacity: 0; transform: scale(1.006); } }
::view-transition-old(page) { animation: vtOut 0.22s ease both; }
::view-transition-new(page) { animation: vtIn 0.42s var(--ease) both; }
::view-transition-group(hdr), ::view-transition-group(bg) { animation-duration: 0s; }
.main.is-swapping { opacity: 0; transition: opacity 0.18s; }

/* ---------- 404 ---------- */
.nf { position: relative; z-index: 1; flex: 1; display: grid; align-content: center; justify-items: start; gap: 1.2rem; width: min(100% - 2 * var(--gutter), 40rem); margin-inline: auto; padding-block: 3rem; }
.nf__title { font-size: clamp(2rem, 6vw, 3.4rem); letter-spacing: -0.04em; line-height: 1.02; }
.nf__text { color: var(--soft); }

/* ---------- Telas menores ---------- */
@media (max-width: 56rem) {
  .header { --header-h: 3.5rem; }
  .menu-btn { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 0 0; z-index: 45; flex-direction: column; align-items: stretch;
    background: #000; padding: 0.5rem var(--gutter) 2rem; overflow-y: auto;
    opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0s linear 0.2s;
  }
  .nav[data-open="true"] { opacity: 1; visibility: visible; transition-delay: 0s; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__item { border-bottom: 1px solid var(--graphite); }
  .nav__item > a, .nav__item > button { width: 100%; justify-content: space-between; padding: 1rem 0; font-size: 1.25rem; color: var(--ink); font-weight: 600; letter-spacing: -0.02em; border-radius: 0; }
  .mm { position: static; transform: none; border: 0; opacity: 1; visibility: visible; display: none; background: transparent; transition: none; }
  .mm[data-open="true"] { display: block; }
  .mm__grid { grid-template-columns: 1fr; gap: 1.1rem; padding-block: 0 1.2rem; }
  .mm__link { font-size: 1.1rem; }
  .mm__preview { display: none; }
  .nav__side { margin: 1.4rem 0 0; flex-direction: column; align-items: stretch; }
  .nav__side .btn { min-height: 3rem; }
  .scrim { display: none; }
  .tile { min-height: 10rem; padding: 1rem; }
  .tile__txt { display: none; }
  .tile__glyph { width: 2.6rem; height: 2.6rem; }
  .tile__name { font-size: 1.3rem; }
  .mf__title { letter-spacing: 0.12em; font-size: 0.95rem; }
}
@media (max-width: 30rem) {
  .quad { grid-template-columns: 1fr; }
  .gain__row { grid-template-columns: 1fr; gap: 0.1rem; }
  .gain__proof { padding-left: 0; }
  .launcher { gap: 0.55rem; }
}

/* ---------- Movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-delay: 0s !important; transition-duration: 0.001ms !important; transition-delay: 0s !important; scroll-behavior: auto !important; }
  html.intro .opening { display: none; }
  html.intro [data-in] { opacity: 1; }
}

@media print {
  .stage, .header, .scrim, .opening { display: none !important; }
  body { background: #fff; color: #000; }
  .main { padding-top: 0; }
}