/* =========================================================
   DnaSoft — estilos (sem frameworks)
   ========================================================= */
:root {
  --tinta: #070B14;
  --superficie: #0D1322;
  --superficie-2: #121A2E;
  --linha: rgba(160, 180, 220, .12);
  --texto: #E8ECF5;
  --suave: #8D97AE;
  --fita-a: #3CF0B4;   /* fita verde-menta da hélice */
  --fita-b: #FF5E7E;   /* fita coral da hélice */
  --fita-c: #7AA7FF;
  --raio: 18px;
  --sans: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Menlo, Consolas, monospace;
  --larg: 1180px;
  --topo-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topo-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--tinta);
  color: var(--texto);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.08; margin: 0 0 .5em; letter-spacing: -.03em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--fita-a); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--fita-a); color: var(--tinta); }

.pular {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--fita-a); color: var(--tinta); padding: 10px 16px; border-radius: 8px; font-weight: 700; text-decoration: none;
}
.pular:focus { top: 12px; }

/* ---------- Marca ---------- */
.marca { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 1.25rem; letter-spacing: -.02em; }
.marca b { color: var(--fita-a); font-weight: 800; }
.marca__icone { width: 30px; height: 30px; fill: none; stroke-width: 2.4; stroke-linecap: round; }
.marca__icone path:nth-child(1) { stroke: var(--fita-a); }
.marca__icone path:nth-child(2) { stroke: var(--fita-b); }
.marca__icone .marca__base { stroke: var(--suave); stroke-width: 1.6; }

/* ---------- Topo ---------- */
.topo {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--topo-h);
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.topo.rolou {
  background: rgba(7, 11, 20, .78);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
  border-color: var(--linha);
}
.topo__in { max-width: var(--larg); height: 100%; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.menu { display: flex; align-items: center; gap: 30px; }
.menu a { text-decoration: none; color: var(--suave); font-size: .95rem; font-weight: 500; transition: color .2s; }
.menu a:hover { color: var(--texto); }
.menu .menu__cta {
  color: var(--tinta); background: var(--texto); padding: 9px 18px; border-radius: 999px; font-weight: 700;
  transition: background .2s, transform .2s;
}
.menu .menu__cta:hover { background: var(--fita-a); color: var(--tinta); transform: translateY(-1px); }

.menu-btn { display: none; width: 44px; height: 44px; border: 1px solid var(--linha); background: transparent; border-radius: 12px; cursor: pointer; position: relative; }
.menu-btn span { position: absolute; left: 12px; right: 12px; height: 2px; background: var(--texto); border-radius: 2px; transition: transform .3s, top .3s; }
.menu-btn span:first-child { top: 17px; }
.menu-btn span:last-child { top: 25px; }
.menu-btn[aria-expanded="true"] span:first-child { top: 21px; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { top: 21px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: calc(var(--topo-h) + 40px) 0 90px; overflow: hidden; isolation: isolate; }
.hero__dna { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.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: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, #000 20%, transparent 75%);
  opacity: .55;
}
.hero::after {
  content: ""; position: absolute; z-index: -1; width: 60vmax; height: 60vmax; right: -18vmax; top: -10vmax;
  background: radial-gradient(circle, rgba(60, 240, 180, .14), transparent 60%);
  pointer-events: none;
}
.hero__in { width: 100%; max-width: var(--larg); margin: 0 auto; padding: 0 24px; position: relative; }
.hero__local { font-family: var(--mono); font-size: .82rem; color: var(--suave); letter-spacing: .04em; display: inline-flex; align-items: center; gap: 10px; border: 1px solid var(--linha); padding: 6px 14px; border-radius: 999px; background: rgba(13, 19, 34, .6); }
.pulso { width: 8px; height: 8px; border-radius: 50%; background: var(--fita-a); box-shadow: 0 0 0 0 rgba(60, 240, 180, .6); animation: pulso 2s infinite; }
@keyframes pulso { 70% { box-shadow: 0 0 0 10px rgba(60, 240, 180, 0); } 100% { box-shadow: 0 0 0 0 rgba(60, 240, 180, 0); } }

.hero h1 { font-size: clamp(2.6rem, 7.4vw, 6.2rem); font-weight: 800; max-width: 11ch; margin: 26px 0 22px; letter-spacing: -.045em; }
.hero__destaque {
  display: inline-block;
  background: linear-gradient(100deg, var(--fita-a) 10%, var(--fita-c) 50%, var(--fita-b) 90%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: brilho 6s ease-in-out infinite alternate;
}
@keyframes brilho { to { background-position: 100% 0; } }
.hero__texto { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--suave); max-width: 52ch; }
.hero__acoes { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; margin-top: 34px; }

/* CTA principal: "sequência" com seta que corre */
.btn-sequencia {
  position: relative; display: inline-flex; align-items: center; gap: 14px; overflow: hidden;
  padding: 16px 16px 16px 26px; border-radius: 999px; text-decoration: none; font-weight: 700;
  background: var(--fita-a); color: var(--tinta);
  box-shadow: 0 10px 40px -10px rgba(60, 240, 180, .55);
  transition: transform .25s, box-shadow .25s;
}
.btn-sequencia__seta { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--tinta); color: var(--fita-a); transition: transform .35s cubic-bezier(.2, .9, .3, 1.4); }
.btn-sequencia:hover { transform: translateY(-2px); box-shadow: 0 16px 50px -10px rgba(60, 240, 180, .7); }
.btn-sequencia:hover .btn-sequencia__seta { transform: translateX(4px) rotate(-45deg); }

/* link secundário sublinhado animado */
.link-linha { position: relative; text-decoration: none; color: var(--texto); font-weight: 600; padding-bottom: 4px; }
.link-linha::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: linear-gradient(90deg, var(--fita-a), var(--fita-b)); transform-origin: left; transition: transform .35s; }
.link-linha:hover::after { transform: scaleX(.3); }

/* terminal */
.terminal {
  position: absolute; right: 24px; bottom: -40px; width: min(400px, 40%);
  background: rgba(13, 19, 34, .82); border: 1px solid var(--linha); border-radius: 14px;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .8);
  transform: rotate(-2deg);
}
.terminal__barra { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--linha); font-family: var(--mono); font-size: .72rem; color: var(--suave); }
.terminal__barra i { width: 10px; height: 10px; border-radius: 50%; background: #2A3350; }
.terminal__barra i:nth-child(1) { background: var(--fita-b); }
.terminal__barra i:nth-child(2) { background: #FFC857; }
.terminal__barra i:nth-child(3) { background: var(--fita-a); }
.terminal__barra span { margin-left: 8px; }
.terminal__corpo { margin: 0; padding: 16px 18px 18px; font-family: var(--mono); font-size: .8rem; line-height: 1.75; color: #B9C3D9; white-space: pre-wrap; min-height: 170px; }
.t-ok { color: var(--fita-a); }
.t-cursor { color: var(--fita-a); animation: piscar 1s steps(1) infinite; }
@keyframes piscar { 50% { opacity: 0; } }

.hero__rolar { position: absolute; left: 50%; bottom: 26px; width: 26px; height: 42px; border: 2px solid var(--linha); border-radius: 14px; transform: translateX(-50%); }
.hero__rolar span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--fita-a); animation: rolar 1.8s infinite; }
@keyframes rolar { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(14px); opacity: 0; } }

/* ---------- Faixa rolante ---------- */
.faixa { border-block: 1px solid var(--linha); overflow: hidden; background: var(--superficie); padding: 18px 0; }
.faixa__trilho { display: flex; width: max-content; gap: 28px; animation: faixa 38s linear infinite; font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; white-space: nowrap; }
.faixa__trilho b { color: var(--fita-b); font-size: .7rem; align-self: center; }
@keyframes faixa { to { transform: translateX(-50%); } }

/* ---------- Seções ---------- */
.secao { padding: clamp(80px, 12vw, 150px) 0; position: relative; }
.secao__in { max-width: var(--larg); margin: 0 auto; padding: 0 24px; }
.secao__in--estreito { max-width: 760px; }
.secao__cab { display: grid; gap: 14px; margin-bottom: 54px; max-width: 760px; }
.secao h2 { font-size: clamp(2rem, 4.6vw, 3.5rem); font-weight: 800; }
.rotulo { font-family: var(--mono); font-size: .8rem; color: var(--fita-a); letter-spacing: .08em; text-transform: uppercase; }

/* revelar ao rolar: só transform, nunca some o conteúdo */
.revelar { transform: translateY(26px); transition: transform .8s cubic-bezier(.2, .8, .2, 1); }
.revelar.visivel { transform: none; }

/* ---------- Bento de serviços ---------- */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  position: relative; padding: 30px; border-radius: var(--raio); background: var(--superficie);
  border: 1px solid var(--linha); overflow: hidden; isolation: isolate;
  transition: border-color .3s, transform .3s;
}
.card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .4s;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(60, 240, 180, .12), transparent 45%);
}
.card:hover { border-color: rgba(60, 240, 180, .35); }
.card:hover::before { opacity: 1; }
.card--grande { grid-column: span 2; grid-row: span 2; display: flex; flex-direction: column; justify-content: flex-end; min-height: 380px;
  background: linear-gradient(160deg, var(--superficie-2), var(--superficie) 60%); }
.card--grande h3 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.card--grande p { font-size: 1.08rem; max-width: 46ch; }
.card h3 { font-size: 1.3rem; font-weight: 750; }
.card p { color: var(--suave); margin: 0; }
.card__icone { width: 54px; height: 54px; margin-bottom: auto; padding-bottom: 22px; }
.card--grande .card__icone { width: 72px; height: 72px; }
.card__icone svg { width: 100%; height: 100%; fill: none; stroke: var(--fita-a); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card:nth-child(3) .card__icone svg, .card:nth-child(5) .card__icone svg { stroke: var(--fita-b); }
.card:not(.card--grande) { display: flex; flex-direction: column; gap: 4px; min-height: 230px; }
.bento > .card:last-child { grid-column: span 2; }
.card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.card__tags li { font-family: var(--mono); font-size: .75rem; padding: 5px 11px; border-radius: 999px; border: 1px solid var(--linha); color: var(--suave); }

/* ---------- Tecnologia ---------- */
.tecnologia { background: linear-gradient(180deg, var(--tinta), #0A1020 50%, var(--tinta)); }
.tecnologia__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.tecnologia__texto p { color: var(--suave); font-size: 1.08rem; margin-top: 18px; }
.metricas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.metricas li { border-top: 1px solid var(--linha); padding-top: 16px; }
.metricas strong { display: block; font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: -.04em; color: var(--texto); font-variant-numeric: tabular-nums; }
.metricas span { font-size: .85rem; color: var(--suave); line-height: 1.4; display: block; }

.stack { display: grid; gap: 12px; perspective: 1200px; }
.stack__camada {
  display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: center;
  padding: 18px 22px; border-radius: 14px; background: var(--superficie); border: 1px solid var(--linha);
  transform: rotateX(8deg) rotateY(-10deg); transform-origin: left center;
  transition: transform .45s cubic-bezier(.2, .8, .2, 1), border-color .3s;
}
.stack__camada:nth-child(2) { margin-left: 18px; }
.stack__camada:nth-child(3) { margin-left: 36px; }
.stack__camada:nth-child(4) { margin-left: 54px; }
.stack__camada:hover { transform: none; border-color: rgba(122, 167, 255, .45); }
.stack__nome { font-family: var(--mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--fita-c); }
.stack ul { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .95rem; }
.stack li::before { content: "▸ "; color: var(--fita-a); }

/* ---------- Processo ---------- */
.linha-tempo { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: passo; position: relative; }
.linha-tempo::before {
  content: ""; position: absolute; left: 30px; right: 30px; top: 30px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--fita-a) 0 10px, transparent 10px 18px);
  opacity: .5;
}
.linha-tempo li { position: relative; padding-right: 10px; }
.linha-tempo__n {
  display: grid; place-items: center; width: 60px; height: 60px; border-radius: 16px; margin-bottom: 24px;
  font-family: var(--mono); font-size: 1.4rem; font-weight: 800;
  background: var(--tinta); border: 2px solid var(--fita-a); color: var(--fita-a); position: relative;
}
.linha-tempo li:nth-child(even) .linha-tempo__n { border-color: var(--fita-b); color: var(--fita-b); }
.linha-tempo h3 { font-size: 1.3rem; }
.linha-tempo p { color: var(--suave); font-size: .98rem; }

/* ---------- Sobre ---------- */
.sobre__grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(40px, 7vw, 100px); align-items: center; }
.sobre__helice { width: 100%; max-width: 220px; margin: 0 auto; fill: none; stroke-width: 6; stroke-linecap: round; }
.sobre__helice > path:nth-child(1) { stroke: var(--fita-a); stroke-dasharray: 900; stroke-dashoffset: 900; animation: desenhar 3s .2s forwards; }
.sobre__helice > path:nth-child(2) { stroke: var(--fita-b); stroke-dasharray: 900; stroke-dashoffset: 900; animation: desenhar 3s .6s forwards; }
.sobre__pares path { stroke: var(--suave); stroke-width: 3; opacity: .5; }
@keyframes desenhar { to { stroke-dashoffset: 0; } }
.sobre__texto p { color: var(--suave); font-size: 1.08rem; }
.selos { display: grid; gap: 12px; margin-top: 30px; }
.selos li { display: flex; gap: 12px; align-items: center; font-weight: 600; }
.selos li::before { content: ""; flex: none; width: 22px; height: 22px; border-radius: 7px; background: rgba(60, 240, 180, .14) center / 12px no-repeat; border: 1px solid rgba(60, 240, 180, .4);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.5l2.5 2.5L10 3' fill='none' stroke='%233CF0B4' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E"); }

/* ---------- Contato ---------- */
.contato { background: radial-gradient(ellipse 60% 50% at 20% 30%, rgba(255, 94, 126, .08), transparent 70%); }
.contato__grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.contato__texto p { color: var(--suave); font-size: 1.08rem; }
.btn-whats {
  display: inline-flex; align-items: center; gap: 12px; margin-top: 18px; padding: 14px 22px; border-radius: 14px;
  text-decoration: none; font-weight: 700; color: var(--texto); border: 1px solid rgba(60, 240, 180, .4);
  background: rgba(60, 240, 180, .06); transition: background .25s, transform .25s;
}
.btn-whats svg { width: 22px; height: 22px; fill: var(--fita-a); }
.btn-whats:hover { background: rgba(60, 240, 180, .14); transform: translateY(-2px); }

.form { display: grid; gap: 16px; padding: clamp(24px, 4vw, 40px); border-radius: 22px; background: var(--superficie); border: 1px solid var(--linha); }
.form__isca { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__aviso { margin: 0; padding: 12px 16px; border-radius: 12px; font-weight: 600; font-size: .95rem; }
.form__aviso--ok { background: rgba(60, 240, 180, .12); color: var(--fita-a); }
.form__aviso--erro { background: rgba(255, 94, 126, .12); color: var(--fita-b); }

.campo { position: relative; }
.campo input, .campo textarea {
  width: 100%; padding: 24px 16px 10px; border-radius: 12px; border: 1px solid var(--linha);
  background: var(--tinta); color: var(--texto); font: inherit; font-size: 1rem; resize: vertical;
  transition: border-color .2s, box-shadow .2s;
}
.campo textarea { min-height: 130px; }
.campo > label { position: absolute; left: 17px; top: 17px; color: var(--suave); pointer-events: none; transition: transform .2s, font-size .2s, color .2s; transform-origin: left top; }
.campo input:focus, .campo textarea:focus { outline: none; border-color: var(--fita-a); box-shadow: 0 0 0 4px rgba(60, 240, 180, .12); }
.campo input:focus + label, .campo input:not(:placeholder-shown) + label,
.campo textarea:focus + label, .campo textarea:not(:placeholder-shown) + label { transform: translateY(-10px); font-size: .74rem; color: var(--fita-a); }
.campo input.invalido, .campo textarea.invalido { border-color: var(--fita-b); }

.campo--chips { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.campo--chips legend { font-size: .85rem; color: var(--suave); margin-bottom: 8px; padding: 0; }
.campo--chips > label { position: static; cursor: pointer; transform: none; font-size: inherit; color: var(--texto); }
.campo--chips input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.campo--chips span { display: inline-block; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--linha); font-size: .9rem; transition: all .2s; }
.campo--chips input:checked + span { background: var(--texto); color: var(--tinta); border-color: var(--texto); font-weight: 700; }
.campo--chips input:focus-visible + span { outline: 2px solid var(--fita-a); outline-offset: 2px; }

.consentimento { display: flex; gap: 12px; align-items: flex-start; font-size: .88rem; color: var(--suave); cursor: pointer; }
.consentimento input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--fita-a); flex: none; }
.consentimento a { color: var(--texto); }

/* CTA do formulário: preenchimento que varre da esquerda */
.btn-enviar {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 12px; overflow: hidden;
  padding: 17px 26px; border: 0; border-radius: 14px; cursor: pointer; font: inherit; font-weight: 800; font-size: 1.02rem;
  color: var(--tinta); background: var(--texto); isolation: isolate;
}
.btn-enviar::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, var(--fita-a), var(--fita-c)); transform: scaleX(0); transform-origin: left; transition: transform .45s cubic-bezier(.2, .8, .2, 1); }
.btn-enviar:hover::before { transform: scaleX(1); }
.btn-enviar svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linejoin: round; transition: transform .3s; }
.btn-enviar:hover svg { transform: translate(3px, -3px); }
.btn-enviar[disabled] { opacity: .6; cursor: progress; }

/* ---------- Texto legal ---------- */
.texto-legal { padding-top: calc(var(--topo-h) + 70px); }
.texto-legal h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-top: 12px; }
.texto-legal h2 { font-size: 1.3rem; margin-top: 2em; }
.texto-legal p { color: var(--suave); }
.texto-legal a { color: var(--fita-a); }
.texto-legal .link-linha { color: var(--texto); display: inline-block; margin-top: 30px; }
.texto-legal__data { font-family: var(--mono); font-size: .82rem; }

/* ---------- Rodapé ---------- */
.rodape { border-top: 1px solid var(--linha); background: #050810; }
.rodape__in { max-width: var(--larg); margin: 0 auto; padding: 64px 24px 40px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.rodape__marca p { color: var(--suave); max-width: 38ch; margin-top: 16px; font-size: .95rem; }
.rodape__col { display: grid; gap: 10px; align-content: start; font-size: .95rem; }
.rodape__col h2 { font-family: var(--mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; color: var(--suave); font-weight: 500; margin-bottom: 6px; }
.rodape__col a { text-decoration: none; color: var(--texto); transition: color .2s; }
.rodape__col a:hover { color: var(--fita-a); }
.rodape__col span { color: var(--suave); }
.rodape__base { max-width: var(--larg); margin: 0 auto; padding: 22px 24px 30px; border-top: 1px solid var(--linha); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .85rem; color: var(--suave); }
.rodape__base a { color: var(--suave); }

/* ---------- Responsivo ---------- */
@media (max-width: 1020px) {
  .terminal { position: relative; right: auto; bottom: auto; width: 100%; max-width: 440px; margin-top: 50px; transform: none; }
  .bento { grid-template-columns: 1fr 1fr; }
  .card--grande { grid-column: span 2; grid-row: auto; min-height: 320px; }
  .bento > .card:last-child { grid-column: span 2; }
  .tecnologia__grid, .contato__grid { grid-template-columns: 1fr; }
  .linha-tempo { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .linha-tempo::before { display: none; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .menu-btn { display: block; }
  .menu {
    position: fixed; top: var(--topo-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px 24px 28px; background: rgba(7, 11, 20, .97); border-bottom: 1px solid var(--linha);
    transform: translateY(-120%); transition: transform .35s cubic-bezier(.2, .8, .2, 1); visibility: hidden;
  }
  .menu.aberto { transform: none; visibility: visible; }
  .menu a { padding: 14px 0; font-size: 1.15rem; border-bottom: 1px solid var(--linha); color: var(--texto); }
  .menu .menu__cta { margin-top: 18px; text-align: center; border-bottom: 0; }
  .topo.menu-aberto { background: rgba(7, 11, 20, .97); }

  .hero { padding-bottom: 80px; }
  .hero__rolar { display: none; }
  .bento { grid-template-columns: 1fr; }
  .card--grande, .bento > .card:last-child { grid-column: auto; }
  .stack__camada { grid-template-columns: 1fr; gap: 8px; transform: none; margin-left: 0 !important; }
  .metricas { grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
  .linha-tempo { grid-template-columns: 1fr; }
  .linha-tempo li { display: grid; grid-template-columns: 60px 1fr; column-gap: 18px; }
  .linha-tempo__n { grid-row: span 2; margin-bottom: 0; }
  .sobre__grid { grid-template-columns: 1fr; }
  .sobre__helice { max-width: 120px; transform: rotate(90deg); margin: -60px auto; }
  .rodape__in { grid-template-columns: 1fr; gap: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .revelar { transform: none; }
  .sobre__helice > path { stroke-dashoffset: 0 !important; }
}

@media print {
  .topo, .hero__dna, .faixa, .form, .hero__rolar { display: none !important; }
  body { background: #fff; color: #000; }
}