/* ==========================================================
   EL TI · site institucional
   Tokens primeiro; componentes depois. Mobile-first.
   ========================================================== */

:root {
  /* cor */
  --bg: #050d0c;
  --bg-2: #081311;
  --superficie: #0c1917;
  --superficie-2: #11211e;
  --linha: rgb(255 255 255 / 0.08);
  --linha-forte: rgb(255 255 255 / 0.16);
  --texto: #eef5f3;
  --texto-2: #a3b5b1;
  --texto-3: #7e918d;
  --verde-agua: #04ABA7;
  --verde: #63D662;
  --acao: #04ABA7;
  --acao-texto: #021514;
  --erro: #ff8a8a;
  --sucesso: #7cf2b0;
  --gradiente: linear-gradient(100deg, var(--verde-agua), var(--verde));

  /* tipografia */
  --fonte-titulo: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --fonte-texto: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --t-pequeno: 0.875rem;
  --t-base: 1.0625rem;
  --t-lead: clamp(1.0625rem, 0.95rem + 0.5vw, 1.3125rem);
  --t-h3: 1.25rem;
  --t-h2: clamp(2rem, 1.3rem + 3vw, 3.5rem);
  --t-h1: clamp(2.6rem, 0.9rem + 6vw, 6.75rem);

  /* espaço (escala 4/8) */
  --e-1: 4px; --e-2: 8px; --e-3: 12px; --e-4: 16px; --e-5: 24px;
  --e-6: 32px; --e-7: 48px; --e-8: 64px; --e-9: 96px; --e-10: 144px;

  /* forma e movimento */
  --raio: 20px;
  --raio-p: 12px;
  --sombra: 0 30px 80px -30px rgb(0 0 0 / 0.8);
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --largura: 1200px;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--texto);
  font-family: var(--fonte-texto);
  font-size: var(--t-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--fonte-titulo); line-height: 1.1; margin: 0; letter-spacing: -0.02em; }
h2 { font-size: var(--t-h2); font-weight: 600; }
h2 em, .destaque {
  font-style: normal;
  background: var(--gradiente);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
h3 { font-size: var(--t-h3); font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--verde); color: var(--bg); }
:focus-visible { outline: 2px solid var(--verde-agua); outline-offset: 3px; border-radius: 6px; }

.container { width: min(100% - 32px, var(--largura)); margin-inline: auto; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.pular {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--acao); color: var(--acao-texto); padding: 10px 16px; border-radius: 10px; font-weight: 600;
}
.pular:focus { top: 16px; }

/* ---------- botões ---------- */
.botao {
  --b-bg: transparent; --b-cor: var(--texto); --b-borda: var(--linha-forte);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px; border-radius: 999px;
  background: var(--b-bg); color: var(--b-cor); border: 1px solid var(--b-borda);
  font: 600 1rem/1 var(--fonte-texto); text-decoration: none; cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .25s, border-color .25s;
}
.botao span { transition: transform .25s var(--ease); }
.botao:hover span { transform: translateX(4px); }
.botao:active { transform: scale(.97); }
.botao--primario { --b-bg: var(--acao); --b-cor: var(--acao-texto); --b-borda: var(--acao); box-shadow: 0 0 0 0 rgb(4 171 167 / 0); }
.botao--primario:hover { --b-bg: #13bdb8; --b-borda: #13bdb8; box-shadow: 0 10px 40px -8px rgb(4 171 167 / .55); transform: translateY(-2px); }
.botao--fantasma:hover { --b-borda: var(--texto-2); background: rgb(255 255 255 / .04); }
.botao--pequeno { min-height: 44px; padding: 0 20px; font-size: .9375rem; }
.botao--largo { width: 100%; }

/* ---------- topo ---------- */
.topo {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background-color .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.topo.is-rolado {
  background: rgb(5 13 12 / .72);
  -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%);
  border-color: var(--linha);
}
.topo__barra { display: flex; align-items: center; gap: var(--e-5); height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo__marca { width: 22px; height: 34px; }
.logo__nome { font: 700 1.25rem/1 var(--fonte-titulo); letter-spacing: .02em; }
.menu { margin-left: auto; }
.menu ul { display: flex; gap: var(--e-2); }
.menu a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: 999px;
  color: var(--texto-2); text-decoration: none; font-weight: 500; font-size: .9375rem;
  transition: color .2s, background-color .2s;
}
.menu a:hover, .menu a[aria-current="true"] { color: var(--texto); background: rgb(255 255 255 / .05); }
.menu__cta-mobile { display: none; }
.menu-botao { display: none; }

@media (max-width: 899px) {
  .topo__cta { display: none; }
  .menu-botao {
    display: grid; place-items: center; margin-left: auto;
    width: 48px; height: 48px; border-radius: 14px; border: 1px solid var(--linha-forte);
    background: rgb(255 255 255 / .04); color: var(--texto); cursor: pointer;
  }
  .menu-botao__linhas, .menu-botao__linhas::before, .menu-botao__linhas::after {
    display: block; width: 20px; height: 2px; background: currentColor; border-radius: 2px;
    transition: transform .3s var(--ease), background-color .3s;
  }
  .menu-botao__linhas { position: relative; }
  .menu-botao__linhas::before, .menu-botao__linhas::after { content: ""; position: absolute; left: 0; }
  .menu-botao__linhas::before { top: -6px; }
  .menu-botao__linhas::after { top: 6px; }
  .menu-botao[aria-expanded="true"] .menu-botao__linhas { background: transparent; }
  .menu-botao[aria-expanded="true"] .menu-botao__linhas::before { transform: translateY(6px) rotate(45deg); }
  .menu-botao[aria-expanded="true"] .menu-botao__linhas::after { transform: translateY(-6px) rotate(-45deg); }

  .menu {
    position: fixed; inset: 72px 0 auto; margin: 0;
    background: rgb(5 13 12 / .97); border-bottom: 1px solid var(--linha);
    padding: var(--e-4) 16px var(--e-6);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s, transform .25s var(--ease), visibility .25s;
  }
  .menu.is-aberto { opacity: 1; visibility: visible; transform: none; }
  .menu ul { flex-direction: column; gap: var(--e-1); }
  .menu a { width: 100%; font-size: 1.125rem; padding: 0 var(--e-4); min-height: 52px; color: var(--texto); }
  .menu__cta-mobile { display: block; margin-top: var(--e-3); }
  .menu__cta-mobile a { background: var(--acao); color: var(--acao-texto); justify-content: center; font-weight: 600; }
  .topo.menu-aberto { background: rgb(5 13 12 / .97); }
}

/* ---------- hero ---------- */
.hero {
  position: relative; isolation: isolate;
  min-height: 100svh; display: grid; align-items: center;
  padding: 120px 0 var(--e-9);
  overflow: hidden;
}
.hero__ceu { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hero__aurora { position: absolute; inset: -20% -10% auto; height: 120%; z-index: -3; filter: blur(80px); opacity: .55; }
.hero__aurora span { position: absolute; border-radius: 50%; mix-blend-mode: screen; }
.hero__aurora span:nth-child(1) { width: 48vw; height: 48vw; left: 48%; top: 6%; background: radial-gradient(circle, #04ABA7 0%, transparent 65%); animation: flutuar 18s ease-in-out infinite; }
.hero__aurora span:nth-child(2) { width: 42vw; height: 42vw; left: 64%; top: 34%; background: radial-gradient(circle, #0d7a5f 0%, transparent 65%); animation: flutuar 22s ease-in-out infinite reverse; }
.hero__aurora span:nth-child(3) { width: 30vw; height: 30vw; left: 8%; top: 52%; background: radial-gradient(circle, #1f6f4a 0%, transparent 65%); animation: flutuar 26s ease-in-out infinite; opacity: .6; }
@keyframes flutuar {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-6%, 4%) scale(1.08); }
  66% { transform: translate(4%, -5%) scale(.95); }
}
.hero__grade {
  position: absolute; inset: 0; z-index: -2;
  background-image: linear-gradient(var(--linha) 1px, transparent 1px), linear-gradient(90deg, var(--linha) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  opacity: .5;
}
.hero::after { /* fade inferior */
  content: ""; position: absolute; inset: auto 0 0; height: 160px; z-index: -1; pointer-events: none;
  background: linear-gradient(transparent, var(--bg));
}
.hero__conteudo { position: relative; pointer-events: none; }
.hero__conteudo a, .hero__conteudo button { pointer-events: auto; }

.selo {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px 8px 12px; border-radius: 999px;
  border: 1px solid var(--linha-forte); background: rgb(255 255 255 / .04);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  font-size: var(--t-pequeno); font-weight: 500; color: var(--texto-2);
}
.selo__ponto { width: 8px; height: 8px; border-radius: 50%; background: var(--acao); box-shadow: 0 0 0 4px rgb(4 171 167 / .18); animation: pulsar 2.4s infinite; }
@keyframes pulsar { 50% { box-shadow: 0 0 0 8px rgb(4 171 167 / 0); } }

.hero__titulo {
  margin: var(--e-5) 0 var(--e-5);
  font-size: var(--t-h1); font-weight: 700; line-height: .98; letter-spacing: -0.045em;
  max-width: 16ch;
}
.hero__titulo .linha { display: block; overflow: hidden; padding-bottom: .06em; }
.hero__titulo .palavra { display: inline-block; transform: translateY(105%); animation: subir 1s var(--ease) forwards; }
.hero__titulo .linha:nth-child(1) .palavra:nth-child(1) { animation-delay: .10s; }
.hero__titulo .linha:nth-child(1) .palavra:nth-child(2) { animation-delay: .16s; }
.hero__titulo .linha:nth-child(1) .palavra:nth-child(3) { animation-delay: .22s; }
.hero__titulo .linha:nth-child(2) .palavra:nth-child(1) { animation-delay: .30s; }
.hero__titulo .linha:nth-child(2) .palavra:nth-child(2) { animation-delay: .36s; }
.hero__titulo .linha:nth-child(2) .palavra:nth-child(3) { animation-delay: .42s; }
.hero__titulo .linha:nth-child(3) .palavra { animation-delay: .54s; }
.hero__titulo .destaque {
  background-image: linear-gradient(100deg, var(--verde-agua) 0%, var(--verde) 40%, #b8f0d8 60%, var(--verde-agua) 100%);
  background-size: 250% 100%;
  animation: subir 1s var(--ease) .54s forwards, brilho 7s linear 1.6s infinite;
}
@media (max-width: 559px) {
  /* no celular o título flui em linha corrida; a entrada vira fade + subida curta */
  .hero__titulo .linha { display: inline; overflow: visible; }
  .hero__titulo .palavra { transform: none; animation: surgir .9s var(--ease) both; }
  .hero__titulo .destaque { animation: surgir .9s var(--ease) .54s both, brilho 7s linear 1.6s infinite; }
  .hero__ceu { opacity: .7; }
}
@keyframes surgir { from { opacity: 0; transform: translateY(.4em); } }
@keyframes subir { to { transform: none; } }
@keyframes brilho { to { background-position: -250% 0; } }

.hero__texto { max-width: 44ch; font-size: var(--t-lead); color: var(--texto-2); }
.hero__acoes { display: flex; flex-wrap: wrap; gap: var(--e-3); margin-top: var(--e-6); }
.hero .revelar { animation: aparecer .9s var(--ease) both; }
.hero .selo.revelar { animation-delay: 0s; }
.hero .hero__texto.revelar { animation-delay: .7s; }
.hero .hero__acoes.revelar { animation-delay: .85s; }
@keyframes aparecer { from { opacity: 0; transform: translateY(16px); } }

.hero__rolar {
  position: absolute; left: 50%; bottom: 28px; translate: -50% 0;
  width: 28px; height: 46px; border-radius: 999px; border: 1.5px solid var(--linha-forte);
  display: grid; justify-items: center; padding-top: 8px;
}
.hero__rolar span { width: 4px; height: 8px; border-radius: 4px; background: var(--texto-2); animation: rolar 1.8s var(--ease) infinite; }
@keyframes rolar { 0% { transform: translateY(0); opacity: 1; } 80% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

/* ---------- faixa ---------- */
.faixa {
  border-block: 1px solid var(--linha);
  background: var(--bg-2);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.faixa__trilho { display: flex; width: max-content; animation: deslizar 38s linear infinite; }
.faixa:hover .faixa__trilho { animation-play-state: paused; }
.faixa__lista { display: flex; }
.faixa__lista li {
  display: flex; align-items: center; gap: 40px; padding: 22px 0 22px 40px;
  font: 600 clamp(1.125rem, 1rem + 1vw, 1.75rem)/1 var(--fonte-titulo); color: var(--texto-3); white-space: nowrap;
}
.faixa__lista li::after { content: "✦"; font-size: .6em; color: var(--verde); }
@keyframes deslizar { to { transform: translateX(-50%); } }

/* ---------- seções ---------- */
.secao { position: relative; padding: var(--e-10) 0 0; }
.secao--compacta { padding-top: var(--e-9); }
.secao__topo { max-width: 780px; margin-bottom: var(--e-8); }
.sobretitulo {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: var(--e-4);
  font: 600 .8125rem/1 var(--fonte-texto); letter-spacing: .14em; text-transform: uppercase; color: var(--verde-agua);
}
.sobretitulo::before { content: ""; width: 24px; height: 1px; background: currentColor; }
.secao__texto { margin-top: var(--e-5); font-size: var(--t-lead); color: var(--texto-2); max-width: 60ch; }

/* cartão com luz que segue o mouse */
.cartao {
  position: relative; border-radius: var(--raio);
  background: linear-gradient(180deg, var(--superficie-2), var(--superficie));
  border: 1px solid var(--linha);
}
.cartao--luz { overflow: hidden; }
.cartao--luz::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, -20%), rgb(4 171 167 / .12), transparent 45%);
  opacity: 0; transition: opacity .3s;
}
.cartao--luz:hover::before { opacity: 1; }

/* serviços */
.servicos { display: grid; gap: var(--e-4); grid-template-columns: 1fr; }
.servico { padding: var(--e-6); display: flex; flex-direction: column; gap: var(--e-3); min-height: 240px; transition: border-color .3s, transform .4s var(--ease); }
.servico:hover { border-color: var(--linha-forte); transform: translateY(-4px); }
.servico p { color: var(--texto-2); }
.servico__icone {
  width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: auto;
  border-radius: 14px; background: rgb(4 171 167 / .08); border: 1px solid rgb(4 171 167 / .2);
}
.servico__icone svg { width: 26px; height: 26px; fill: none; stroke: var(--verde-agua); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.servico h3 { margin-top: var(--e-6); }
@media (min-width: 700px) { .servicos { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) {
  .servicos { grid-template-columns: repeat(3, 1fr); }
  .servico--largo { grid-column: span 2; }
}

/* ---------- projetos ---------- */
.projetos { display: grid; gap: var(--e-5); grid-template-columns: 1fr; }
@media (min-width: 760px) { .projetos { grid-template-columns: repeat(2, 1fr); } .projeto--grande { grid-column: 1 / -1; } }
@media (min-width: 1100px) {
  .projetos { grid-template-columns: repeat(6, 1fr); }
  .projeto { grid-column: span 3; }
  .projeto--grande { grid-column: 1 / -1; }
  .projeto--sistema { grid-column: span 3; }
}

.projeto__abrir {
  all: unset; box-sizing: border-box; cursor: pointer; display: flex; flex-direction: column; gap: var(--e-5);
  width: 100%; height: 100%; padding: var(--e-4); border-radius: calc(var(--raio) + 6px);
  background: linear-gradient(180deg, rgb(255 255 255 / .03), transparent); border: 1px solid var(--linha);
  transition: border-color .3s, background-color .3s;
}
.projeto__abrir:hover { border-color: color-mix(in srgb, var(--acento) 45%, transparent); }
.projeto__abrir:focus-visible { outline: 2px solid var(--verde-agua); outline-offset: 4px; }
@media (min-width: 1100px) {
  .projeto--grande .projeto__abrir { flex-direction: row; align-items: center; gap: var(--e-7); padding: var(--e-5); }
  .projeto--grande .tela { flex: 1.6; }
  .projeto--grande .projeto__info { flex: 1; }
  .projeto--grande .projeto__nome { font-size: 3rem; }
}

.tela {
  position: relative; display: block; border-radius: var(--raio-p); overflow: hidden;
  background: var(--superficie-2); border: 1px solid var(--linha-forte); box-shadow: var(--sombra);
  transform: perspective(1200px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
  will-change: transform;
}
.projeto__abrir:hover .tela { box-shadow: 0 40px 90px -30px color-mix(in srgb, var(--acento) 55%, transparent); }
.tela__barra {
  display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px;
  background: #0f1d1a; border-bottom: 1px solid var(--linha);
}
.tela__barra i { width: 9px; height: 9px; border-radius: 50%; background: #25403a; }
.tela__barra span {
  margin-left: 10px; padding: 3px 12px; border-radius: 999px; background: rgb(255 255 255 / .05);
  font-size: .75rem; color: var(--texto-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tela--navegador img { aspect-ratio: 16 / 10; width: 100%; object-fit: cover; object-position: top; transition: transform .8s var(--ease); }
.projeto__abrir:hover .tela--navegador img { transform: scale(1.03); }

/* mockup estilizado dos sistemas internos (sem dados reais) */
.tela--app {
  aspect-ratio: 16 / 10; display: grid; grid-template-rows: auto 1fr; gap: var(--e-4); padding: var(--e-5);
  background:
    radial-gradient(120% 90% at 100% 0%, color-mix(in srgb, var(--acento) 26%, transparent), transparent 60%),
    linear-gradient(180deg, #10201d, #0a1614);
}
.tela--clara { background: radial-gradient(120% 90% at 100% 0%, color-mix(in srgb, var(--acento) 22%, transparent), transparent 60%), linear-gradient(180deg, #f6f9ff, #e6eefb); }
.app__logo img { height: clamp(34px, 5vw, 52px); width: auto; max-width: 100%; object-fit: contain; object-position: left; }
.app__esqueleto { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: auto 1fr; gap: 10px; }
.app__esqueleto i {
  height: 56px; border-radius: 10px; background: rgb(255 255 255 / .06); border: 1px solid rgb(255 255 255 / .07);
  position: relative; overflow: hidden;
}
.app__esqueleto i::after {
  content: ""; position: absolute; left: 12px; right: 40%; top: 14px; height: 6px; border-radius: 4px;
  background: color-mix(in srgb, var(--acento) 70%, transparent); box-shadow: 0 16px 0 -1px rgb(255 255 255 / .18);
}
.app__esqueleto b {
  grid-row: 2; border-radius: 10px; background: rgb(255 255 255 / .05); border: 1px solid rgb(255 255 255 / .06);
  background-image: linear-gradient(to top, color-mix(in srgb, var(--acento) 55%, transparent) var(--h, 50%), transparent 0);
  background-size: 28% 100%; background-repeat: no-repeat; background-position: 20% 100%;
}
.app__esqueleto b:nth-of-type(1) { --h: 45%; }
.app__esqueleto b:nth-of-type(2) { --h: 75%; grid-column: span 1; }
.app__esqueleto b:nth-of-type(3) { --h: 60%; }
.app__esqueleto--mapa b:nth-of-type(2) { background-image: radial-gradient(circle at 40% 45%, color-mix(in srgb, var(--acento) 70%, transparent) 0 8px, transparent 9px), radial-gradient(circle at 65% 65%, color-mix(in srgb, var(--acento) 50%, transparent) 0 5px, transparent 6px), radial-gradient(circle at 30% 70%, color-mix(in srgb, var(--acento) 40%, transparent) 0 4px, transparent 5px); background-size: auto; }
.app__esqueleto--feed b { background-image: linear-gradient(color-mix(in srgb, var(--acento) 35%, transparent) 0 0); background-size: 100% 45%; background-position: top; }
.tela--clara .app__esqueleto i, .tela--clara .app__esqueleto b { background-color: rgb(255 255 255 / .75); border-color: rgb(13 40 90 / .08); }
.tela--clara .app__esqueleto i::after { box-shadow: 0 16px 0 -1px rgb(13 40 90 / .15); }

.projeto__info { display: flex; flex-direction: column; gap: var(--e-2); padding: 0 var(--e-2) var(--e-2); }
.projeto__tags { font-size: .8125rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--acento); }
.projeto__nome { font: 600 clamp(1.5rem, 1.2rem + 1vw, 2rem)/1.1 var(--fonte-titulo); letter-spacing: -.02em; }
.projeto__resumo { color: var(--texto-2); }
.projeto__mais { margin-top: var(--e-2); font-weight: 600; font-size: .9375rem; color: var(--texto); transition: transform .3s var(--ease); }
.projeto__abrir:hover .projeto__mais { transform: translateX(6px); }

/* botão "Experimentar o protótipo" abaixo do cartão */
.projeto { display: flex; flex-direction: column; gap: var(--e-3); }
.projeto__demo {
  display: inline-flex; align-items: center; gap: 10px; align-self: flex-start;
  min-height: 48px; padding: 0 20px 0 8px; border-radius: 999px; cursor: pointer;
  background: rgb(4 171 167 / .1); border: 1px solid rgb(4 171 167 / .45); color: var(--texto);
  font: 600 .9375rem/1 var(--fonte-texto);
  transition: background-color .25s, border-color .25s, transform .25s var(--ease);
}
.projeto__demo:hover { background: rgb(4 171 167 / .2); border-color: var(--verde-agua); transform: translateY(-2px); }
.projeto__demo-play {
  width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%;
  background: var(--acao); color: var(--acao-texto); font-size: .75rem; padding-left: 2px;
  box-shadow: 0 0 0 0 rgb(4 171 167 / .5); animation: chamar 2.4s infinite;
}
@keyframes chamar { 70% { box-shadow: 0 0 0 10px rgb(4 171 167 / 0); } 100% { box-shadow: 0 0 0 0 rgb(4 171 167 / 0); } }
.projeto__demo-dica { color: var(--texto-3); font-weight: 500; }
.case__acoes { display: flex; flex-wrap: wrap; gap: var(--e-3); margin-top: var(--e-6); }
.modal__conteudo .case__acoes .botao { margin-top: 0; }

/* ---------- janela do protótipo (tela cheia) ---------- */
.demo {
  width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0;
  background: var(--bg); color: var(--texto);
  display: none; flex-direction: column;
}
.demo[open] { display: flex; animation: modal-entra .4s var(--ease); }
.demo::backdrop { background: rgb(2 7 6 / .8); }
.demo__barra {
  display: flex; align-items: center; gap: var(--e-4); min-height: 56px; padding: 0 var(--e-2) 0 var(--e-5);
  border-bottom: 1px solid var(--linha); background: var(--bg-2);
}
.demo__titulo { font: 600 1rem/1.2 var(--fonte-titulo); }
.demo__aviso { font-size: .8125rem; color: var(--texto-3); }
.demo__aviso::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--verde); margin-right: 8px; vertical-align: middle; }
.demo__fechar {
  margin-left: auto; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--linha-forte);
  background: transparent; color: var(--texto); font-size: 1.5rem; line-height: 1; cursor: pointer;
}
.demo__fechar:hover { background: rgb(255 255 255 / .08); }
.demo__quadro { flex: 1; width: 100%; border: 0; background: #fff; }
@media (max-width: 559px) { .demo__aviso { display: none; } }

/* ---------- modal do case ---------- */
.modal {
  padding: 0; border: 0; background: transparent; color: var(--texto);
  width: min(100% - 24px, 720px); max-height: calc(100dvh - 24px);
}
.modal::backdrop { background: rgb(2 7 6 / .72); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.modal[open] { animation: modal-entra .45s var(--ease); }
@keyframes modal-entra { from { opacity: 0; transform: translateY(24px) scale(.98); } }
.modal__caixa {
  position: relative; max-height: calc(100dvh - 24px); overflow: auto; overscroll-behavior: contain;
  border-radius: var(--raio); border: 1px solid var(--linha-forte);
  background: linear-gradient(180deg, var(--superficie-2), var(--bg-2));
  padding: var(--e-7) var(--e-5) var(--e-6);
}
@media (min-width: 640px) { .modal__caixa { padding: var(--e-7) var(--e-7) var(--e-7); } }
.modal__fechar {
  position: absolute; top: 12px; right: 12px; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--linha-forte); background: rgb(255 255 255 / .04); color: var(--texto);
  font-size: 1.5rem; line-height: 1; cursor: pointer;
}
.modal__fechar:hover { background: rgb(255 255 255 / .1); }
.modal__conteudo .case__tags { font-size: .8125rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--verde-agua); margin-bottom: var(--e-2); }
.modal__conteudo .case__titulo { font-size: clamp(1.75rem, 1.3rem + 2vw, 2.5rem); margin-bottom: var(--e-5); padding-right: 40px; }
.modal__conteudo h3 { font-size: 1rem; color: var(--texto); margin: var(--e-5) 0 var(--e-2); }
.modal__conteudo p, .modal__conteudo li { color: var(--texto-2); }
.modal__conteudo ul { display: grid; gap: var(--e-2); }
.modal__conteudo li { position: relative; padding-left: 22px; }
.modal__conteudo li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px; border-radius: 2px; background: var(--gradiente); }
.case__stack { display: flex; flex-wrap: wrap; gap: var(--e-2); }
.case__stack span { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--linha-forte); font-size: .875rem; color: var(--texto); }
.modal__conteudo .botao { margin-top: var(--e-6); }

/* ---------- modernização ---------- */
.modernizacao__grade { display: grid; gap: var(--e-7); }
@media (min-width: 960px) { .modernizacao__grade { grid-template-columns: 1.1fr 1fr; align-items: center; gap: var(--e-9); } }
.modernizacao__casos { margin-top: var(--e-5); color: var(--texto-2); }
.modernizacao__casos strong { color: var(--texto); font-weight: 600; }
.linha-tempo { position: relative; display: grid; gap: var(--e-4); }
.linha-tempo::before {
  content: ""; position: absolute; left: 27px; top: 28px; bottom: 28px; width: 2px;
  background: linear-gradient(var(--verde-agua), var(--verde));
  opacity: .5;
}
.linha-tempo li {
  position: relative; display: grid; grid-template-columns: 56px 1fr; gap: var(--e-4); align-items: start;
  padding: var(--e-5); padding-left: 0;
}
.linha-tempo__n {
  position: relative; z-index: 1; width: 56px; height: 56px; display: grid; place-items: center;
  border-radius: 50%; background: var(--bg); border: 1px solid var(--linha-forte);
  font: 600 1rem/1 var(--fonte-titulo); color: var(--verde-agua);
}
.linha-tempo li > div { padding: var(--e-4) var(--e-5); border-radius: var(--raio); background: var(--superficie); border: 1px solid var(--linha); }
.linha-tempo p { color: var(--texto-2); margin-top: var(--e-1); }

/* ---------- processo ---------- */
.processo { display: grid; gap: var(--e-4); counter-reset: passo; }
@media (min-width: 700px) { .processo { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .processo { grid-template-columns: repeat(4, 1fr); } }
.processo li { padding: var(--e-6); display: flex; flex-direction: column; gap: var(--e-3); }
.processo p { color: var(--texto-2); }
.processo__n {
  font: 700 4rem/1 var(--fonte-titulo); letter-spacing: -.04em; margin-bottom: var(--e-4);
  background: var(--gradiente); -webkit-background-clip: text; background-clip: text; color: transparent; opacity: .9;
}

/* ---------- stack ---------- */
.stack__titulo { font-size: clamp(1.25rem, 1.1rem + .8vw, 1.75rem); text-align: center; color: var(--texto-2); font-weight: 500; }
.stack { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--e-3); margin-top: var(--e-6); }
.stack li {
  padding: 10px 18px; border-radius: 999px; border: 1px solid var(--linha);
  background: var(--superficie); font: 500 1rem/1.2 var(--fonte-titulo); color: var(--texto);
  transition: border-color .3s, color .3s, transform .3s var(--ease);
}
.stack li:hover { border-color: var(--verde-agua); transform: translateY(-2px); }

/* ---------- contato ---------- */
.contato { padding-bottom: var(--e-10); overflow: hidden; }
.contato__brilho {
  position: absolute; left: 50%; top: 40%; width: 900px; height: 600px; translate: -50% -50%; z-index: -1;
  background: radial-gradient(closest-side, rgb(4 120 100 / .22), transparent), radial-gradient(closest-side at 70% 60%, rgb(4 171 167 / .15), transparent);
  filter: blur(40px);
}
.contato__grade { display: grid; gap: var(--e-7); }
@media (min-width: 960px) { .contato__grade { grid-template-columns: 1fr 1.05fr; gap: var(--e-9); align-items: start; } }
.contato__canais { display: grid; gap: var(--e-5); margin-top: var(--e-7); }
.contato__canais li { display: grid; gap: var(--e-1); }
.contato__rotulo { font-size: .8125rem; letter-spacing: .1em; text-transform: uppercase; color: var(--texto-3); font-weight: 600; }
.contato__canais a { font: 600 1.375rem/1.3 var(--fonte-titulo); text-decoration: none; background: linear-gradient(currentColor 0 0) 0 100% / 0 1px no-repeat; transition: background-size .3s var(--ease); justify-self: start; }
.contato__canais a:hover { background-size: 100% 1px; }

.formulario { padding: var(--e-6) var(--e-5); display: grid; gap: var(--e-5); background: rgb(12 25 23 / .8); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
@media (min-width: 640px) { .formulario { padding: var(--e-7); } }
.campo { display: grid; gap: var(--e-2); border: 0; padding: 0; margin: 0; min-width: 0; }
.campo label, .campo legend { font-weight: 500; font-size: .9375rem; padding: 0; }
.campo__opcional { color: var(--texto-3); font-weight: 400; }
.campo input, .campo textarea {
  width: 100%; min-height: 52px; padding: 14px 16px; border-radius: var(--raio-p);
  background: rgb(255 255 255 / .04); border: 1px solid var(--linha-forte); color: var(--texto);
  font: inherit; font-size: 1rem; transition: border-color .2s, background-color .2s, box-shadow .2s;
}
.campo textarea { resize: vertical; min-height: 120px; }
.campo input:hover, .campo textarea:hover { border-color: rgb(255 255 255 / .28); }
.campo input:focus, .campo textarea:focus { outline: none; border-color: var(--verde-agua); background: rgb(4 171 167 / .05); box-shadow: 0 0 0 4px rgb(4 171 167 / .15); }
.campo [aria-invalid="true"] { border-color: var(--erro); }
.campo__erro { color: var(--erro); font-size: .875rem; min-height: 0; }
.campo__erro:empty { display: none; }
.campo--isca { position: absolute; left: -9999px; }
.opcoes { display: flex; flex-wrap: wrap; gap: var(--e-2); margin-top: var(--e-1); }
.opcao { position: relative; }
.opcao input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.opcao span {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border-radius: 999px;
  border: 1px solid var(--linha-forte); color: var(--texto-2); font-size: .9375rem; font-weight: 500;
  transition: all .2s;
}
.opcao input:hover + span { border-color: var(--texto-2); color: var(--texto); }
.opcao input:checked + span { background: var(--texto); border-color: var(--texto); color: var(--bg); }
.opcao input:focus-visible + span { outline: 2px solid var(--verde-agua); outline-offset: 2px; }
.formulario__robo { min-height: 65px; }
.formulario__status { font-size: .9375rem; color: var(--texto-2); }
.formulario__status:empty { display: none; }
.formulario__status.is-ok { color: var(--sucesso); }
.formulario__status.is-erro { color: var(--erro); }
.formulario button[disabled] { opacity: .6; cursor: progress; }

/* ---------- rodapé ---------- */
.rodape { border-top: 1px solid var(--linha); padding: var(--e-7) 0; color: var(--texto-3); font-size: .9375rem; }
.rodape__grade { display: flex; flex-wrap: wrap; align-items: center; gap: var(--e-4) var(--e-6); }
.rodape .logo { color: var(--texto); }
.rodape__copy { margin-left: auto; }

/* ---------- revelar ao rolar ---------- */
.js .revelar { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .revelar.is-visivel, .js .hero .revelar { opacity: 1; transform: none; }

/* ---------- movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .hero__titulo .palavra { transform: none; }
  .js .revelar { opacity: 1 !important; transform: none !important; }
  .faixa__trilho { animation: none; }
  .tela { transform: none !important; }
}