/* =========================================================
   RF Digital · criação de sites

   Base preta e branca, botão principal em verde-limão elétrico
   e uma cor de destaque que muda por seção (--accent), junto com
   as partículas 3D:
     topo limão · problema brasa · celular ciano · serviços sol
     prova rosa · final verde WhatsApp
   A interface é chapada. Quem brilha é o 3D, no canvas de fundo.
   ========================================================= */

@font-face { font-family: 'Space Grotesk'; src: url('../assets/fonts/SpaceGrotesk-700.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Space Grotesk'; src: url('../assets/fonts/SpaceGrotesk-500.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('../assets/fonts/Inter-400.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('../assets/fonts/Inter-600.woff2') format('woff2'); font-weight: 600; font-style: normal; font-display: swap; }

@property --accent {
  syntax: '<color>';
  inherits: true;
  initial-value: #C8FF3D;
}

:root {
  --bg: #09090B;
  --bg-2: #111113;
  --bg-3: #18181B;
  --white: #F5F5F0;
  --text: #D5D5CF;
  --muted: #9C9C95;
  --line: rgba(245, 245, 240, 0.12);

  --volt: #C8FF3D;
  --volt-2: #D9FF75;
  --accent: #C8FF3D;

  --paper: #F2F2EE;
  --ink: #0B0B0D;
  --ink-muted: #505049;
  --line-ink: rgba(11, 11, 13, 0.14);

  --f-display: 'Space Grotesk', 'Arial Narrow', Arial, sans-serif;
  --f-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;

  --pad: clamp(20px, 5vw, 64px);
  --max: 1280px;
  --nav-h: 60px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  transition: --accent 0.9s ease;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 84px;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: 700; }
ul, ol { margin: 0; padding: 0; }
::selection { background: var(--volt); color: var(--ink); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.light :focus-visible, .included :focus-visible { outline-color: var(--ink); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.skip {
  position: fixed; left: 12px; top: 12px; z-index: 200;
  padding: 10px 16px; border-radius: 999px;
  background: var(--volt); color: var(--ink); font-weight: 600;
  transform: translateY(-160%);
  transition: transform 0.3s var(--ease);
}
.skip:focus { transform: none; }

.wrap { width: min(100% - 2 * var(--pad), var(--max)); margin-inline: auto; }
main { position: relative; z-index: 1; }

.ico { width: 1.25em; height: 1.25em; flex: 0 0 auto; }

/* ---------- canvas 3D ---------- */
#field {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100lvh;
  z-index: 0;
  display: block;
  pointer-events: none;
}
#field.is-covered { visibility: hidden; }
.no-webgl #field,
.no-webgl .hero__hint,
.no-webgl .mobile__stage,
.no-webgl .services__stage,
.no-webgl .proof__stage,
.no-webgl .final__stage { display: none; }
.no-webgl .hero__stage { background: url('../assets/img/orbit.webp') center / contain no-repeat; }

/* ---------- tipografia ---------- */
.display,
.title,
.final__title,
.card__title {
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--white);
  text-wrap: balance;
}

.display {
  display: block;
  font-size: clamp(2.6rem, 12.2vw, 7.4rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.display--em { color: var(--accent); }

.title {
  font-size: clamp(2.05rem, 8.4vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.032em;
  margin-top: 20px;
  max-width: 13em;
}

.lead {
  font-size: clamp(1.0625rem, 1.2vw + 0.8rem, 1.3rem);
  line-height: 1.55;
  color: var(--text);
  max-width: 36em;
  margin-top: 22px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.62em 1.05em 0.58em;
  border-radius: 999px;
  background: var(--accent);
  color: var(--ink);
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 0.72rem;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.tag::after { content: '›'; font-size: 1.3em; line-height: 0.6; letter-spacing: 0; }
.tag--ink { background: var(--ink); color: var(--volt); }

/* palavras que sobem de dentro de uma máscara */
.w {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding: 0.14em 0.02em 0.08em;
  margin: -0.14em -0.02em -0.08em;
}
.w > span { display: inline-block; }
.js [data-split] .w > span { transform: translate3d(0, 1.45em, 0); }
.js [data-split].is-in .w > span {
  transform: none;
  transition: transform 1.05s var(--ease-out);
  transition-delay: calc(var(--wi, 0) * 55ms + var(--d0, 0ms));
}

/* entrada genérica */
.js [data-reveal] { opacity: 0; transform: translate3d(0, 26px, 0); }
.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0s);
}
.js [data-hero-fade] { opacity: 0; transform: translate3d(0, 18px, 0); }
.js .is-go [data-hero-fade] {
  opacity: 1;
  transform: none;
  transition: opacity 1s var(--ease), transform 1s var(--ease);
  transition-delay: var(--d, 0s);
}
.js-fail [data-reveal],
.js-fail [data-hero-fade],
.js-fail [data-split] .w > span { opacity: 1 !important; transform: none !important; }

/* ---------- botões ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  min-height: 52px;
  padding: 0.9em 1.5em;
  border: 0;
  border-radius: 999px;
  background: var(--volt);
  color: var(--ink);
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.3s var(--ease);
}
.btn:hover { background: var(--volt-2); }
.btn:active { background: var(--white); }
.btn--lg { min-height: 60px; padding: 1em 1.8em; font-size: 1.0625rem; }
.btn--sm { min-height: 42px; padding: 0.6em 1.1em; font-size: 0.9rem; }
.btn--sm .ico { width: 1.15em; height: 1.15em; }

/* ---------- menu ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: calc(10px + env(safe-area-inset-top)) var(--pad) 10px;
  border-bottom: 1px solid transparent;
  transition: transform 0.5s var(--ease), background-color 0.35s, border-color 0.35s;
}
.nav.is-solid { background: rgba(9, 9, 11, 0.9); border-bottom-color: var(--line); }
.nav.is-hidden { transform: translate3d(0, -110%, 0); }
@media (min-width: 900px) {
  @supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
    .nav.is-solid { background: rgba(9, 9, 11, 0.6); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
  }
}

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--white); }
.brand__mark { width: 35px; height: 29px; }
.brand__name {
  font-weight: 600;
  font-size: 0.7rem;
  line-height: 1;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  padding-top: 1px;
}
.nav__links { display: none; }
@media (min-width: 900px) {
  .nav { padding-top: calc(18px + env(safe-area-inset-top)); padding-bottom: 18px; }
  .nav__links { display: flex; gap: 34px; }
  .nav__links a { font-size: 0.92rem; color: var(--muted); transition: color 0.25s; }
  .nav__links a:hover { color: var(--white); }
}

/* ---------- topo ---------- */
.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-rows: minmax(120px, 1fr) auto;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: calc(var(--nav-h) + env(safe-area-inset-top));
}
.hero__stage { grid-row: 1; }
.hero__content {
  grid-row: 2;
  position: relative;
  z-index: 2;
  padding-bottom: calc(26px + env(safe-area-inset-bottom));
}
.hero__title { display: block; }
.hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--muted);
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 0.72rem;
  line-height: 1.2;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.hero__kicker::before { content: ''; width: 28px; height: 2px; background: var(--accent); }
.hero__lead { margin-top: 18px; max-width: 30em; font-size: 1.0625rem; line-height: 1.5; }
.hero__cta { margin-top: 22px; }
.hero__cta .btn { width: 100%; }
.micro { margin-top: 12px; font-size: 0.85rem; color: var(--muted); text-align: center; }

.hero__hint {
  display: flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  max-width: 100%;
  margin: 0 0 18px;
  padding: 8px 14px 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 9, 11, 0.72);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  pointer-events: none;
  transition: opacity 0.8s var(--ease);
}
.js .hero__hint { opacity: 0; }
.js .is-go .hero__hint { opacity: 1; transition-delay: 2.2s; }
.js .is-go .hero__hint.is-off { opacity: 0; transition-delay: 0s; }
.hero__hint-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.hero__hint-dot::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  animation: ping 2s var(--ease) infinite;
}
@keyframes ping { 0% { transform: scale(0.4); opacity: 1; } 100% { transform: scale(1.8); opacity: 0; } }
.only-mouse { display: none; }
@media (hover: hover) and (pointer: fine) {
  .only-touch { display: none; }
  .only-mouse { display: inline; }
}

@media (max-height: 640px) and (max-width: 899px) {
  .display { font-size: 10.6vw; }
  .hero__lead { font-size: 0.98rem; margin-top: 14px; }
  .hero__cta { margin-top: 16px; }
  .micro { display: none; }
  .hero__hint { display: none; }
}
@media (max-height: 740px) and (max-width: 899px) {
  .hero__hint { margin-bottom: 12px; }
  .hero__kicker { margin-bottom: 12px; }
}

@media (min-width: 600px) and (max-width: 899px) {
  .hero__cta .btn { width: auto; }
  .micro { text-align: left; }
}

@media (min-width: 900px) {
  .hero {
    grid-template-rows: 1fr;
    align-items: center;
    min-height: 100vh;
    padding-top: 0;
  }
  .hero__stage { position: absolute; top: 0; bottom: 0; right: -3vw; width: 58vw; }
  .hero__content { grid-row: 1; padding-block: 140px 110px; }
  .hero__title { max-width: min(780px, 54vw); }
  .hero__lead { max-width: 28em; font-size: 1.2rem; margin-top: 26px; }
  .hero__kicker { margin-bottom: 26px; }
  .hero__cta { display: flex; align-items: center; gap: 22px; margin-top: 34px; }
  .hero__cta .btn { width: auto; }
  .micro { margin: 0; text-align: left; max-width: 16em; }
  .display { font-size: clamp(3rem, 6.5vw, 7.4rem); }
  .hero__hint { position: absolute; left: 0; bottom: 44px; margin: 0; }
}

/* ---------- faixa ---------- */
.band {
  position: relative;
  z-index: 2;
  overflow: hidden;
  padding: 28px 0;
  margin: -28px 0;
  pointer-events: none;
}
.band__strip {
  width: 106%;
  margin-left: -3%;
  padding: 16px 0;
  background: var(--volt);
  transform: rotate(-2deg);
}
.band__track {
  display: flex;
  align-items: center;
  width: max-content;
  color: var(--ink);
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 5.2vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  white-space: nowrap;
  will-change: transform;
}
.band__track span { padding: 0 0.7em; }
.band__track i {
  width: 0.34em;
  height: 0.34em;
  background: var(--ink);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

/* ---------- problema ---------- */
.manifesto {
  position: relative;
  padding-block: clamp(120px, 26vw, 260px);
}
.stage-fill { position: absolute; inset: 0; pointer-events: none; }
.manifesto__text {
  margin-top: 30px;
  max-width: 20em;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(1.65rem, 6.8vw, 3.9rem);
  line-height: 1.14;
  letter-spacing: -0.022em;
  color: var(--white);
}
.manifesto__text em { font-style: normal; }
.js .manifesto__text .wd { color: rgba(245, 245, 240, 0.17); transition: color 0.35s linear; }
.js .manifesto__text .wd.is-lit { color: var(--white); }
.js .manifesto__text em .wd.is-lit { color: var(--accent); }

/* ---------- celular ---------- */
.mobile { position: relative; padding-block: clamp(70px, 12vw, 160px); }
.mobile__grid { display: grid; gap: 18px; }
.mobile__stage { height: 62svh; min-height: 360px; max-height: 620px; }
.checks { list-style: none; margin-top: 28px; display: grid; gap: 12px; }
.checks li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(9, 9, 11, 0.74);
  color: var(--white);
  font-size: 1rem;
  line-height: 1.35;
}
.checks .ico {
  width: 30px;
  height: 30px;
  padding: 6px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--ink);
}
@media (min-width: 900px) {
  .mobile__grid { grid-template-columns: 1fr 1fr; align-items: center; gap: 48px; }
  .mobile__stage { height: 86vh; max-height: 860px; }
  .checks { grid-template-columns: 1fr 1fr; }
}

/* ---------- serviços ---------- */
.services { position: relative; padding-block: clamp(70px, 12vw, 150px) clamp(70px, 10vw, 130px); }
.services__head { display: grid; gap: 0; }
.services__stage { height: 40svh; min-height: 250px; max-height: 420px; }
@media (min-width: 900px) {
  .services__head { grid-template-columns: 1.25fr 1fr; align-items: center; gap: 40px; }
  .services__stage { height: 62vh; max-height: 620px; }
}

.stack { display: grid; gap: 20px; margin-top: 16px; }
.card {
  position: sticky;
  top: calc(var(--nav-h) + 18px + var(--i) * 12px);
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--bg-2);
  overflow: hidden;
  transform-origin: 50% 0;
}
.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg);
  opacity: var(--dim, 0);
  pointer-events: none;
}
.card__art {
  order: -1;
  display: grid;
  place-items: center;
  height: 190px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.card__art > svg { width: 84%; max-width: 330px; overflow: visible; }
.card__body { display: flex; flex-direction: column; gap: 12px; padding: 24px 22px 24px; }
.card__kind {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.card__kind span {
  display: grid;
  place-items: center;
  min-width: 34px;
  height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--ink);
  letter-spacing: 0.04em;
}
.card__title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 7vw, 3rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--white);
}
.card__for { color: var(--muted); font-size: 0.95rem; }
.card__for strong { color: var(--white); font-weight: 600; }
.card__link {
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  color: var(--accent);
  font-weight: 600;
}
.card__link .ico { transition: transform 0.3s var(--ease); }
.card__link:hover .ico { transform: translateX(5px); }
@media (min-width: 900px) {
  .stack { gap: 28px; margin-top: 10px; }
  .card {
    top: calc(110px + var(--i) * 18px);
    grid-template-columns: 1.05fr 1fr;
    grid-template-rows: none;
    min-height: 460px;
  }
  .card__art { order: 0; height: auto; border-bottom: 0; border-left: 1px solid var(--line); }
  .card__body { padding: 44px 44px 40px; gap: 16px; }
  .card__body > p:not([class]) { font-size: 1.1rem; }
}

/* ilustrações dos cards */
.card:not(.is-visible) .card__art * { animation-play-state: paused !important; }
.a-frame { fill: #1D1D21; stroke: rgba(245, 245, 240, 0.16); }
.a-line { stroke: rgba(245, 245, 240, 0.12); fill: none; }
.a-dot { fill: rgba(245, 245, 240, 0.22); }
.a-url { fill: rgba(245, 245, 240, 0.08); }
.a-h { fill: var(--white); transform-box: fill-box; transform-origin: 0 50%; animation: type 4.8s var(--ease) infinite; }
.a-h2 { animation-delay: 0.25s; }
.a-t { fill: rgba(245, 245, 240, 0.26); }
.a-btn, .m-btn { fill: var(--volt); transform-box: fill-box; transform-origin: center; animation: press 2.4s var(--ease) infinite; }
.a-img { fill: rgba(245, 245, 240, 0.05); stroke: var(--accent); stroke-opacity: 0.6; }
.a-sun { fill: var(--accent); }
.a-mtn { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
@keyframes type {
  0% { transform: scaleX(0); }
  30%, 82% { transform: scaleX(1); }
  100% { transform: scaleX(0); }
}
@keyframes press {
  0%, 70%, 100% { transform: scale(1); }
  78% { transform: scale(0.9); }
}

.f-path { fill: none; stroke: rgba(245, 245, 240, 0.22); stroke-width: 2; stroke-dasharray: 3 7; }
.f-node circle, .f-node rect { fill: #1D1D21; stroke: rgba(245, 245, 240, 0.2); stroke-width: 1.5; }
.f-node--end circle { fill: #25D366; stroke: none; }
.f-wa { color: var(--ink); }
.f-ico { fill: none; stroke: var(--white); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.f-run { fill: var(--accent); animation: run 2.6s cubic-bezier(0.6, 0, 0.4, 1) infinite; }
.f-label { fill: var(--muted); font-family: var(--f-body); font-weight: 600; font-size: 11px; letter-spacing: 0.12em; text-anchor: middle; text-transform: uppercase; }
@keyframes run {
  0% { transform: translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(212px); opacity: 0; }
}

.art-cube { perspective: 700px; }
.art-cube > .cube { grid-area: 1 / 1; }
.cube {
  position: relative;
  width: 110px;
  height: 110px;
  transform-style: preserve-3d;
  animation: cube 16s linear infinite;
}
.cube span {
  position: absolute;
  inset: 0;
  border: 1.5px solid var(--accent);
  background: rgba(245, 245, 240, 0.03);
}
.cube span:nth-child(1) { transform: translateZ(55px); }
.cube span:nth-child(2) { transform: rotateY(180deg) translateZ(55px); }
.cube span:nth-child(3) { transform: rotateY(90deg) translateZ(55px); }
.cube span:nth-child(4) { transform: rotateY(-90deg) translateZ(55px); }
.cube span:nth-child(5) { transform: rotateX(90deg) translateZ(55px); }
.cube span:nth-child(6) { transform: rotateX(-90deg) translateZ(55px); }
.cube--in { width: 46px; height: 46px; animation-duration: 9s; animation-direction: reverse; }
.cube--in span { border-color: rgba(245, 245, 240, 0.85); }
.cube--in span:nth-child(1) { transform: translateZ(23px); }
.cube--in span:nth-child(2) { transform: rotateY(180deg) translateZ(23px); }
.cube--in span:nth-child(3) { transform: rotateY(90deg) translateZ(23px); }
.cube--in span:nth-child(4) { transform: rotateY(-90deg) translateZ(23px); }
.cube--in span:nth-child(5) { transform: rotateX(90deg) translateZ(23px); }
.cube--in span:nth-child(6) { transform: rotateX(-90deg) translateZ(23px); }
@keyframes cube {
  from { transform: rotateX(-24deg) rotateY(0deg); }
  to { transform: rotateX(-24deg) rotateY(360deg); }
}

.m-phone { fill: #1D1D21; stroke: rgba(245, 245, 240, 0.2); stroke-width: 1.5; }
.m-row rect { fill: rgba(245, 245, 240, 0.3); }
.m-row rect:first-child { fill: var(--accent); fill-opacity: 0.35; }
.m-row .m-price { fill: var(--accent); fill-opacity: 1; }
.m-row { animation: row 4.8s var(--ease) infinite; }
.m-row:nth-child(3) { animation-delay: 0.2s; }
.m-row:nth-child(4) { animation-delay: 0.4s; }
@keyframes row {
  0%, 100% { opacity: 0.35; }
  20%, 70% { opacity: 1; }
}

/* ---------- incluso (faixa limão) ---------- */
.included {
  position: relative;
  z-index: 1;
  padding-block: clamp(90px, 14vw, 180px);
  background: var(--volt);
  color: var(--ink);
}
.included .title { color: var(--ink); }
.features { display: grid; gap: 12px; margin-top: 38px; }
.feature {
  padding: 24px 22px;
  border: 1.5px solid rgba(11, 11, 13, 0.16);
  border-radius: 16px;
}
.feature__ico {
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 50%;
  background: var(--ink);
  fill: none;
  stroke: var(--volt);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.feature h3 {
  margin: 16px 0 6px;
  font-family: var(--f-display);
  font-size: 1.3rem;
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--ink);
}
.feature p { color: rgba(11, 11, 13, 0.78); font-size: 1rem; }
.ads {
  margin-top: 12px;
  padding: 28px 24px;
  border-radius: 16px;
  background: var(--ink);
  color: var(--text);
}
.ads__title {
  margin-bottom: 10px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 5.6vw, 2.4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--volt);
}
.ads p:not(.ads__title) { max-width: 42em; }
@media (min-width: 640px) { .features { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) {
  .features { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .feature { padding: 30px 28px; }
  .ads { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: center; padding: 40px 44px; margin-top: 16px; }
  .ads__title { margin: 0; }
}

/* ---------- prova ---------- */
.proof { position: relative; overflow: hidden; padding-block: clamp(40px, 8vw, 170px) clamp(90px, 14vw, 180px); }
.proof__stage { height: 46svh; min-height: 300px; max-height: 480px; }
.proof__content { position: relative; z-index: 2; }
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 34px 0 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--line);
  overflow: hidden;
}
.stat {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  gap: 8px;
  padding: 22px 18px 20px;
  background: rgba(9, 9, 11, 0.84);
}
.stat dd {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 11vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.stat__u { margin-left: 0.14em; font-size: 0.4em; letter-spacing: 0; color: var(--accent); }
.stat dt { color: var(--muted); font-size: 0.9rem; line-height: 1.35; }
.stat.is-hidden { display: none; }
.proof__close { margin: 28px 0 24px; max-width: 30em; color: var(--white); font-size: 1.15rem; line-height: 1.5; }
@media (min-width: 900px) {
  .proof { padding-top: clamp(110px, 12vw, 180px); }
  .proof__stage { position: absolute; top: 0; bottom: 0; right: -4vw; width: 56vw; height: auto; max-height: none; }
  .proof__content > * { max-width: 620px; }
  .stats { max-width: 620px; }
  .stat { padding: 30px 28px 26px; }
}

/* ---------- processo e dúvidas (papel) ---------- */
.light {
  position: relative;
  z-index: 1;
  background: var(--paper);
  color: var(--ink-muted);
}
.light .title { color: var(--ink); }
.process { padding-block: clamp(90px, 14vw, 180px) clamp(30px, 6vw, 80px); }
.steps { list-style: none; position: relative; margin-top: 44px; display: grid; }
.steps::before,
.steps::after {
  content: '';
  position: absolute;
  left: 22px;
  top: 10px;
  bottom: 40px;
  width: 2px;
  background: var(--line-ink);
}
.steps::after {
  background: var(--ink);
  transform-origin: 50% 0;
  transform: scaleY(var(--p, 0));
}
.step { position: relative; z-index: 1; padding: 0 0 38px 66px; }
.step__n {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 2px solid rgba(11, 11, 13, 0.18);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.95rem;
  transition: background-color 0.4s, border-color 0.4s, color 0.4s;
}
.step.is-on .step__n { background: var(--ink); border-color: var(--ink); color: var(--volt); }
.step h3 {
  margin: 9px 0 8px;
  font-family: var(--f-display);
  font-size: 1.4rem;
  line-height: 1.1;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  color: var(--ink);
}
.step p { color: var(--ink-muted); }
@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 60px; }
  .steps::before, .steps::after { left: 0; right: 0; top: 22px; bottom: auto; width: auto; height: 2px; }
  .steps::after { transform-origin: 0 50%; transform: scaleX(var(--p, 0)); }
  .step { padding: 74px 0 0; }
}

.faq { padding-block: clamp(50px, 8vw, 110px) clamp(90px, 14vw, 180px); }
.faq__grid { display: grid; gap: 30px; }
.faq__more { margin-top: 22px; color: var(--ink-muted); }
.faq__more a { color: var(--ink); font-weight: 600; text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }
.qa { border-top: 1px solid var(--line-ink); }
.qa:last-child { border-bottom: 1px solid var(--line-ink); }
.qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.14rem;
  line-height: 1.3;
  color: var(--ink);
}
.qa summary::-webkit-details-marker { display: none; }
.qa__plus {
  position: relative;
  flex: 0 0 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--ink);
  transition: background-color 0.3s;
}
.qa__plus::before,
.qa__plus::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 2px;
  margin: -1px 0 0 -6px;
  background: var(--white);
  transition: transform 0.35s var(--ease), background-color 0.3s;
}
.qa__plus::after { transform: rotate(90deg); }
.qa[open] .qa__plus { background: var(--volt); }
.qa[open] .qa__plus::before, .qa[open] .qa__plus::after { background: var(--ink); }
.qa[open] .qa__plus::after { transform: rotate(0deg); }
.qa.is-closing .qa__plus { background: var(--ink); }
.qa.is-closing .qa__plus::before, .qa.is-closing .qa__plus::after { background: var(--white); }
.qa.is-closing .qa__plus::after { transform: rotate(90deg); }
.qa__a { overflow: hidden; }
.qa__a p { padding-bottom: 24px; max-width: 60ch; color: var(--ink-muted); }
@media (min-width: 1000px) {
  .faq__grid { grid-template-columns: 1fr 1.25fr; gap: 72px; align-items: start; }
  .faq__intro { position: sticky; top: 120px; }
  .qa summary { font-size: 1.28rem; padding: 26px 0; }
}

/* ---------- chamada final ---------- */
.final { position: relative; padding-bottom: clamp(100px, 16vw, 190px); text-align: center; }
.final__stage { height: 50svh; min-height: 320px; max-height: 560px; }
.final__content { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; }
.final__title {
  max-width: 13.5em;
  font-size: clamp(2.2rem, 9.4vw, 6.2rem);
  line-height: 0.95;
  letter-spacing: -0.035em;
}
.final .lead { margin: 24px auto 30px; max-width: 32em; }
.final .btn { width: 100%; max-width: 420px; }
.final__phone {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  transition: color 0.25s;
}
.final__phone:hover { color: var(--accent); }
@media (min-width: 900px) {
  .final__stage { height: 58vh; max-height: 640px; }
  .final .btn { width: auto; min-height: 68px; padding: 1.1em 2.4em; font-size: 1.15rem; }
}

/* ---------- rodapé ---------- */
.footer {
  position: relative;
  z-index: 1;
  padding: 54px 0 calc(110px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.95rem;
}
.footer__grid { display: grid; gap: 30px; }
.footer__brand p { margin-top: 16px; max-width: 30em; }
.footer__links { display: grid; gap: 12px; }
.footer__links a { color: var(--white); transition: color 0.25s; }
.footer__links a:hover { color: var(--volt); }
.footer__base {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}
.footer__base a { color: var(--white); }
@media (min-width: 900px) {
  .footer { padding-bottom: 54px; }
  .footer__grid { grid-template-columns: 1.4fr 1fr; align-items: start; }
  .footer__links { justify-items: end; }
}

/* ---------- botão flutuante ---------- */
.wa-float {
  position: fixed;
  left: 14px;
  right: 14px;
  bottom: calc(12px + env(safe-area-inset-bottom));
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  border-radius: 999px;
  background: var(--volt);
  color: var(--ink);
  font-weight: 600;
  font-size: 1rem;
  transform: translate3d(0, 150%, 0);
  transition: transform 0.55s var(--ease), background-color 0.3s;
}
.wa-float.is-on { transform: none; }
.wa-float.on-volt { background: var(--ink); color: var(--volt); }
.wa-float:hover { background: var(--volt-2); }
@media (min-width: 900px) {
  .wa-float {
    left: auto;
    right: 28px;
    bottom: 28px;
    width: 62px;
    min-height: 62px;
    height: 62px;
    padding: 0;
  }
  .wa-float .ico { width: 28px; height: 28px; }
  .wa-float span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}

/* ---------- menos movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  :root { transition: none; }
  .js [data-reveal],
  .js [data-hero-fade],
  .js [data-split] .w > span { opacity: 1 !important; transform: none !important; transition: none !important; }
  .js .hero__hint { display: none; }
  .card__art *, .hero__hint-dot::after { animation: none !important; }
  .js .manifesto__text .wd { color: var(--white); }
  .js .manifesto__text em .wd { color: var(--accent); }
}
