/* =========================================================================
   NO-SCROLL | NEWSLETTER — adverse-newsletter
   Design system hibrido:
     - TOKENS: design system Adverse (OKLCH, Inter, glass, floating orbs)
     - ARTE:   linguagem do mockup Figma (objetos 3D, scribbles, pills,
               letter-spacing extremo, preto profundo)
   Fonte canonica dos tokens: adverse-tools/styles.css
   ========================================================================= */

:root {
  /* ---- Cores da casa (nao editar sem propagar no ecossistema) ---- */
  --background: oklch(0.05 0.02 264);
  --foreground: oklch(0.98 0.01 264);
  --primary: oklch(0.7 0.2 270);
  --accent: oklch(0.7 0.2 210);
  --card: oklch(0.08 0.02 264);
  --secondary: oklch(0.12 0.02 264);
  --muted: oklch(0.12 0.02 264);
  --muted-foreground: oklch(0.8 0.01 264);
  --border: oklch(0.15 0.02 264);

  --success: oklch(0.7 0.2 140);
  --error: oklch(0.7 0.2 20);
  --warning: oklch(0.7 0.2 60);

  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  --gradient-text: linear-gradient(135deg, var(--accent), var(--primary));
  --gradient-success: linear-gradient(135deg, #10b981, #059669);

  --radius: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  --shadow-md: 0 4px 6px oklch(0.05 0.02 264 / 0.1);
  --shadow-xl: 0 20px 25px oklch(0.05 0.02 264 / 0.25);
  --shadow-glow: 0 0 20px oklch(0.7 0.2 270 / 0.3);
  --shadow-glow-strong: 0 0 30px oklch(0.7 0.2 270 / 0.6);

  /* ---- Camada No-Scroll (arte, nao cor de marca nova) ---- */
  --ns-ink: oklch(0.02 0.01 264);          /* preto profundo do hero */
  --ns-scribble: oklch(0.72 0.17 210);     /* traco a mao = accent da casa */
  --ns-glow-accent: 0 0 40px oklch(0.7 0.2 210 / 0.35);
  --ns-maxw: 1120px;
  --ns-maxw-narrow: 700px;
}

/* ===================== RESET / BASE ===================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  background: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* height:auto e obrigatorio: os <img> carregam width/height como atributo (evita CLS)
   e sem isso a altura intrinseca vence o max-width e deforma a imagem. */
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

::selection { background: oklch(0.7 0.2 210 / 0.3); }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--background); }
::-webkit-scrollbar-thumb { background: oklch(0.7 0.2 270 / 0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: oklch(0.7 0.2 270 / 0.5); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  padding: 0.75rem 1.25rem;
  background: var(--primary);
  color: #fff;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ===================== LAYOUT ===================== */
.container {
  width: 100%;
  max-width: var(--ns-maxw);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2.5rem);
}
/* margin-inline:auto tambem aqui: a classe e usada aninhada dentro de .container
   (onde nao herdaria a centralizacao) e sozinha. */
.container--narrow { max-width: var(--ns-maxw-narrow); margin-inline: auto; }

.section {
  position: relative;
  z-index: 1;
  padding-block: clamp(2.75rem, 6vw, 4.75rem);
}
.section--tight { padding-block: clamp(1.75rem, 4vw, 2.75rem); }

/* ===================== FLOATING ORBS ===================== */
.floating-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.4;
  will-change: transform;
}
.orb--1 {
  width: 480px; height: 480px;
  background: oklch(0.7 0.2 270 / 0.35);
  top: 8%; left: -12%;
  animation: orb-drift 26s ease-in-out infinite;
}
.orb--2 {
  width: 420px; height: 420px;
  background: oklch(0.7 0.2 210 / 0.3);
  top: 48%; right: -10%;
  animation: orb-drift 32s ease-in-out infinite reverse;
}
.orb--3 {
  width: 380px; height: 380px;
  background: oklch(0.7 0.2 270 / 0.22);
  bottom: 4%; left: 22%;
  animation: orb-drift 38s ease-in-out infinite;
}

@keyframes orb-drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  33%      { transform: translate3d(60px, -50px, 0) scale(1.12); }
  66%      { transform: translate3d(-40px, 40px, 0) scale(0.92); }
}

/* ===================== TIPOGRAFIA ===================== */
.display {
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.03em;
  line-height: 1.04;
  font-size: clamp(2rem, 5.6vw, 3.75rem);
}

.h2 {
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.025em;
  line-height: 1.1;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
}

.h3 {
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.25;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.lead {
  font-size: clamp(0.9375rem, 1.4vw, 1.05rem);
  color: var(--muted-foreground);
  line-height: 1.7;
}

.body-text { color: var(--muted-foreground); }
.body-text strong { color: var(--foreground); font-weight: 600; }

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-accent { color: var(--accent); }

/* ===================== BOTOES ===================== */
.btn {
  --btn-bg: var(--gradient-success);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border: 0;
  border-radius: 999px;              /* pill — da linguagem do mockup */
  background: var(--btn-bg);
  color: #fff;
  font-family: inherit;
  font-size: clamp(0.9rem, 1.2vw, 0.9875rem);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
  box-shadow: 0 10px 30px oklch(0.7 0.2 140 / 0.22);
}
.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 16px 40px oklch(0.7 0.2 140 / 0.34);
}
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn--ghost {
  --btn-bg: transparent;
  border: 1px solid oklch(0.7 0.2 210 / 0.45);
  color: var(--foreground);
  box-shadow: none;
  backdrop-filter: blur(10px);
}
.btn--ghost:hover {
  border-color: var(--accent);
  background: oklch(0.7 0.2 210 / 0.1);
  box-shadow: var(--ns-glow-accent);
}

.btn--block { width: 100%; }

.btn .spinner {
  width: 20px; height: 20px;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
}
.cta-note {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  opacity: 0.75;
}

/* ===================== HEADER ===================== */
.site-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 20;
  padding-block: clamp(1rem, 2.5vw, 1.75rem);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand__mark {
  width: 34px; height: 34px;
  object-fit: contain;
}
.brand__name { font-size: 1rem; }
.brand__name span { color: var(--muted-foreground); font-weight: 400; }

/* ===================== HERO ===================== */
.hero {
  position: relative;
  z-index: 1;
  min-height: min(88vh, 760px);
  display: flex;
  align-items: flex-end;
  padding-block: clamp(6rem, 13vw, 8rem) clamp(2rem, 5vw, 3rem);
  background: var(--background);
  overflow: hidden;
  isolation: isolate;
}
/* A arte ocupa so o topo: o rosto/engrenagens ficam ACIMA da headline (como no
   mockup) em vez de brigar com ela. A imagem e 1920x626 — com object-fit:cover
   o recorte sempre trava na altura, entao a "panoramica" vertical se faz aqui,
   limitando a altura da faixa, nao com object-position. */
.hero__bg {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 76%;
  z-index: -2;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 34%;
}
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 62% 72% at 50% 30%, transparent 0%, oklch(0.02 0.01 264 / 0.4) 100%),
    linear-gradient(to bottom,
      transparent 0%,
      transparent 36%,
      oklch(0.05 0.02 264 / 0.72) 74%,
      var(--background) 100%);
}
.hero__content { position: relative; z-index: 2; max-width: 940px; }

.hero__headline { margin-block: 1.25rem clamp(1.75rem, 3vw, 2.5rem); }

/* Linha 1 — highlight box ciano (do mockup) */
.hl-box {
  display: inline-block;
  background: var(--ns-scribble);
  color: oklch(0.12 0.03 264);
  padding: 0.08em 0.42em 0.14em;
  transform: rotate(-0.6deg);
  font-size: clamp(0.95rem, 2.5vw, 1.6rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.25;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* Linha 2 — display + scribbles */
.hero__line2 {
  position: relative;
  display: block;
  margin-top: 0.45rem;
}
.scribble-word {
  position: relative;
  display: inline-block;
  padding-inline: 0.18em;
}
.scribble {
  position: absolute;
  pointer-events: none;
  overflow: visible;
  color: var(--ns-scribble);
  filter: drop-shadow(0 0 10px oklch(0.7 0.2 210 / 0.45));
}
.scribble path { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; }

.scribble--circle {
  inset: -22% -12% -26% -10%;
  width: auto; height: auto;
}
.scribble--underline {
  left: -1%; right: 6%;
  bottom: -0.42em;
  height: 0.34em;
}
.scribble--arrows {
  right: -14%;
  top: -78%;
  width: 30%;
  height: 130%;
}

/* animacao de desenho do traco */
.scribble path {
  stroke-dasharray: var(--len, 600);
  stroke-dashoffset: var(--len, 600);
  animation: draw 1.1s cubic-bezier(0.65, 0, 0.35, 1) forwards;
  animation-delay: var(--delay, 0.5s);
}
@keyframes draw { to { stroke-dashoffset: 0; } }

.hero__sub {
  max-width: 560px;
  font-size: clamp(0.9375rem, 1.4vw, 1.0625rem);
  color: var(--muted-foreground);
  margin-bottom: var(--spacing-lg);
}
.hero__sub strong { color: var(--foreground); font-weight: 600; }

/* ===================== SPLIT (texto + objeto 3D) ===================== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.75rem, 4vw, 3.25rem);
  align-items: center;
}
.split--reverse .split__art { order: -1; }

.split__art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* Os renders agora tem ALFA de verdade (fundo preto retirado no build dos assets).
   mix-blend-mode:screen nao servia: .section cria contexto de empilhamento isolado,
   entao o preto compunha contra backdrop transparente e virava retangulo opaco. */
.split__art img {
  width: 100%;
  max-width: 380px;
  height: auto;
  animation: float 7s ease-in-out infinite;
}
.split__art::before {
  content: '';
  position: absolute;
  width: 62%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: oklch(0.7 0.2 270 / 0.28);
  filter: blur(70px);
  z-index: -1;
}
.split--science .split__art::before { background: oklch(0.7 0.2 210 / 0.28); }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-16px); }
}

.split__body > * + * { margin-top: 1rem; }
.kicker {
  font-weight: 700;
  font-style: italic;
  font-size: clamp(1rem, 1.7vw, 1.15rem);
}
.equation {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: clamp(0.95rem, 1.6vw, 1.0625rem);
  font-style: italic;
  color: var(--accent);
}

/* ===================== PILL BANNER ===================== */
.pill-banner {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin-inline: auto;
  padding: clamp(0.7rem, 1.5vw, 0.9rem) clamp(1.25rem, 3vw, 2.25rem);
  border: 1px solid oklch(0.7 0.2 210 / 0.55);
  border-radius: 999px;
  background: oklch(0.08 0.03 264 / 0.6);
  backdrop-filter: blur(12px);
  box-shadow: var(--ns-glow-accent), inset 0 0 24px oklch(0.7 0.2 210 / 0.08);
  text-align: center;
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.015em;
  font-size: clamp(1rem, 2.1vw, 1.4rem);
  line-height: 1.25;
}

/* ===================== PILARES ===================== */
.pilares {
  display: grid;
  gap: clamp(0.85rem, 1.6vw, 1.15rem);
  margin-top: clamp(1.75rem, 3.5vw, 2.5rem);
}

.pilar {
  position: relative;
  display: grid;
  grid-template-columns: 200px 1fr;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
  padding: clamp(1.15rem, 2.2vw, 1.6rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse 60% 120% at 100% 50%, oklch(0.45 0.22 264 / 0.5) 0%, transparent 62%),
    oklch(0.07 0.02 264 / 0.75);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.pilar:nth-child(even) { grid-template-columns: 1fr 200px; }
.pilar:nth-child(even) .pilar__art { order: 2; }
.pilar:nth-child(even) {
  background:
    radial-gradient(ellipse 60% 120% at 0% 50%, oklch(0.45 0.22 264 / 0.5) 0%, transparent 62%),
    oklch(0.07 0.02 264 / 0.75);
}
.pilar:hover { border-color: oklch(0.7 0.2 210 / 0.4); transform: translateY(-4px); }

.pilar__art {
  display: flex;
  align-items: center;
  justify-content: center;
}
.pilar__art img {
  width: 100%;
  max-width: 150px;
  animation: float 8s ease-in-out infinite;
}
.pilar:nth-child(2) .pilar__art img { animation-delay: -2.6s; }
.pilar:nth-child(3) .pilar__art img { animation-delay: -5.2s; }

.pilar__label {
  font-size: clamp(1.05rem, 2.2vw, 1.5rem);
  font-weight: 300;
  letter-spacing: 0.24em;   /* letter-spacing largo do mockup, sem estourar a caixa */
  text-transform: uppercase;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}
.pilar__text {
  color: var(--muted-foreground);
  font-size: clamp(0.875rem, 1.3vw, 0.96875rem);
  max-width: 56ch;
}
.pilar__text strong { color: var(--foreground); font-weight: 600; }

/* ===================== ARGUMENTO (problema / solucao / metodo) ===================== */
.arg__intro {
  max-width: 68ch;
  margin-top: var(--spacing-md);
  font-size: clamp(0.9375rem, 1.4vw, 1.0625rem);
  color: var(--muted-foreground);
}
.arg__intro strong { color: var(--foreground); font-weight: 600; }

.block-title {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: clamp(1.05rem, 1.9vw, 1.3rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
}
.block-title i[data-lucide] { width: 22px; height: 22px; color: var(--accent); }

/* Lista editorial: filetes horizontais no tom da borda do sistema. Cards com
   filete vermelho na lateral nao existem em nenhum outro projeto da casa. */
.problem-list {
  display: grid;
  gap: 0;
  list-style: none;
  margin-top: var(--spacing-md);
  border-top: 1px solid var(--border);
}
.problem-list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 0.8rem 0.15rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted-foreground);
}
.problem-list i[data-lucide] {
  width: 16px; height: 16px;
  color: var(--muted-foreground);
  opacity: 0.45;
  margin-top: 4px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin-block: var(--spacing-md);
}
.proof-slot {
  position: relative;
  aspect-ratio: 16 / 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: var(--spacing-sm);
  border: 1px dashed oklch(0.7 0.2 210 / 0.35);
  border-radius: var(--radius-lg);
  background: oklch(0.08 0.02 264 / 0.5);
  text-align: center;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}
.proof-slot i[data-lucide] { width: 28px; height: 28px; color: var(--accent); opacity: 0.7; }
.proof-slot__tag {
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.8;
}

.callout {
  padding: clamp(1rem, 2vw, 1.5rem);
  border: 1px solid oklch(0.7 0.2 210 / 0.28);
  border-radius: var(--radius-lg);
  background: oklch(0.7 0.2 210 / 0.05);
  backdrop-filter: blur(10px);
}
.callout p + p { margin-top: var(--spacing-sm); }

/* ---- Infografico: Sequencia de Resolucao de Problemas ---- */
.flow {
  --node: 66px;
  position: relative;
  margin-block: clamp(1.75rem, 4vw, 2.75rem);
}
.flow__title {
  text-align: center;
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: clamp(1.5rem, 3vw, 2rem);
}
.flow__track {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(0.5rem, 1.5vw, 1rem);
  position: relative;
}
.flow__track::before {
  content: '';
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50%;
  height: 1px;
  background: linear-gradient(to right,
    oklch(0.7 0.2 210 / 0.15),
    oklch(0.7 0.2 210 / 0.55),
    oklch(0.7 0.2 270 / 0.55),
    oklch(0.7 0.2 270 / 0.15));
}

.flow__step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(var(--node) * 3.4);
  text-align: center;
}
.flow__node {
  position: relative;
  z-index: 2;
  width: var(--node);
  height: var(--node);
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid oklch(0.7 0.2 210 / 0.35);
  background: linear-gradient(150deg, oklch(0.16 0.06 264), oklch(0.09 0.03 264));
  box-shadow: 0 0 0 6px oklch(0.05 0.02 264), var(--ns-glow-accent);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.flow__step:hover .flow__node {
  transform: scale(1.06);
  box-shadow: 0 0 0 6px oklch(0.05 0.02 264), 0 0 40px oklch(0.7 0.2 210 / 0.6);
}
.flow__node i[data-lucide] { width: 24px; height: 24px; color: var(--accent); }
.flow__step:nth-child(n+4) .flow__node i[data-lucide] { color: var(--primary); }
.flow__step:nth-child(n+4) .flow__node { border-color: oklch(0.7 0.2 270 / 0.35); }

.flow__label {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: min(100%, 190px);
}
.flow__step:nth-child(odd)  .flow__label { bottom: calc(50% + var(--node) / 2 + 1.1rem); }
.flow__step:nth-child(even) .flow__label { top: calc(50% + var(--node) / 2 + 1.1rem); }

.flow__label b {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.flow__label span {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--muted-foreground);
  opacity: 0.85;
}
.flow__step::after {
  content: '';
  position: absolute;
  left: 50%;
  width: 1px;
  height: 0.85rem;
  background: oklch(0.7 0.2 210 / 0.4);
}
.flow__step:nth-child(odd)::after  { bottom: calc(50% + var(--node) / 2 + 0.15rem); }
.flow__step:nth-child(even)::after { top: calc(50% + var(--node) / 2 + 0.15rem); }

.punchline {
  margin-top: clamp(1.75rem, 3.5vw, 2.25rem);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border-radius: var(--radius-lg);
  border: 1px solid oklch(0.7 0.2 270 / 0.3);
  background: linear-gradient(135deg, oklch(0.7 0.2 270 / 0.09), oklch(0.7 0.2 210 / 0.05));
  text-align: center;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.02em;
}

/* ===================== FORM / CAPTURA ===================== */
.signup {
  position: relative;
  z-index: 1;
  padding-block: clamp(2.5rem, 5vw, 4rem);
}
.signup .container { max-width: 520px; }
.signup__card {
  position: relative;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border: 1px solid oklch(0.7 0.2 210 / 0.25);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse 90% 70% at 50% 0%, oklch(0.7 0.2 270 / 0.12), transparent 65%),
    oklch(0.07 0.02 264 / 0.85);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}
.signup__head { text-align: center; margin-bottom: clamp(0.85rem, 1.6vw, 1.15rem); }
.signup__head .h2 {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  margin-block: 0.4rem 0.45rem;
}
.signup__head .lead { font-size: clamp(0.875rem, 1.3vw, 0.9375rem); line-height: 1.6; }

.form { display: grid; gap: 0.7rem; }

.field { display: grid; gap: 0.3rem; }
.field label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--foreground);
}
.field label .req { color: var(--accent); }

.field input {
  width: 100%;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: oklch(0.11 0.02 264 / 0.8);
  color: var(--foreground);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input::placeholder { color: oklch(0.55 0.01 264); }
.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px oklch(0.7 0.2 210 / 0.15);
}
.field input[aria-invalid="true"] { border-color: var(--error); }

.field__error {
  min-height: 0.85rem;
  font-size: 0.6875rem;
  line-height: 1.3;
  color: var(--error);
}
.field__error:empty { display: none; }

/* chips (voce e:) */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chip { position: relative; }
.chip input {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}
.chip span {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: oklch(0.11 0.02 264 / 0.8);
  color: var(--muted-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}
.chip span { font-size: 0.78125rem; }
.chip span:hover { border-color: oklch(0.7 0.2 210 / 0.5); color: var(--foreground); }
.chip input:checked + span {
  border-color: var(--accent);
  background: oklch(0.7 0.2 210 / 0.14);
  color: var(--foreground);
  box-shadow: var(--ns-glow-accent);
}
.chip input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.form__footer {
  display: grid;
  gap: 0.6rem;
  justify-items: center;
  text-align: center;
  margin-top: 0.25rem;
}
.form__footer .btn { padding-block: 0.8rem; }
.privacy {
  font-size: 0.6875rem;
  color: var(--muted-foreground);
  opacity: 0.75;
  max-width: 56ch;
}
.privacy a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

/* ===================== OBRIGADO ===================== */
.thanks {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding-block: clamp(5rem, 12vw, 8rem) clamp(3rem, 8vw, 5rem);
}
.thanks__card {
  text-align: center;
  padding: clamp(2rem, 6vw, 4rem);
  border: 1px solid oklch(0.7 0.2 140 / 0.3);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse 90% 70% at 50% 0%, oklch(0.7 0.2 140 / 0.1), transparent 65%),
    oklch(0.07 0.02 264 / 0.85);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-xl);
}
.thanks__badge {
  display: grid;
  place-items: center;
  width: 76px; height: 76px;
  margin: 0 auto var(--spacing-md);
  border-radius: 50%;
  background: var(--gradient-success);
  box-shadow: 0 0 40px oklch(0.7 0.2 140 / 0.4);
  animation: pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
.thanks__badge i[data-lucide] { width: 38px; height: 38px; color: #fff; }
@keyframes pop { from { transform: scale(0.5); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.next-list {
  display: grid;
  gap: var(--spacing-sm);
  list-style: none;
  margin-block: clamp(1.75rem, 4vw, 2.5rem);
  text-align: left;
}
.next-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 0.85rem;
  align-items: start;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}
.next-list i[data-lucide] { width: 20px; height: 20px; color: var(--accent); margin-top: 2px; }
.next-list b { color: var(--foreground); font-weight: 600; }

.secondary-offer {
  margin-top: clamp(2rem, 5vw, 3rem);
  padding-top: clamp(1.5rem, 4vw, 2.25rem);
  border-top: 1px solid var(--border);
}
.secondary-offer p { color: var(--muted-foreground); font-size: 0.9375rem; margin-bottom: var(--spacing-sm); }

/* ===================== FOOTER ===================== */
.site-footer {
  position: relative;
  z-index: 1;
  padding-block: clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--border);
  text-align: center;
}
.site-footer .brand { justify-content: center; margin-bottom: var(--spacing-sm); }
.site-footer p {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  opacity: 0.7;
}
.site-footer a { color: var(--accent); }
/* Definicao da entidade para motores generativos. Fica no rodape porque e onde
   uma linha de "sobre" cabe sem competir com a copy de venda. */
.site-footer__about {
  max-width: 62ch;
  margin-inline: auto;
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
  line-height: 1.7;
}

/* ===================== ANIMACOES DE SCROLL ===================== */
/* Escopo em .js: se o script falhar, nada abaixo da dobra fica invisivel. */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===================== RESPONSIVO ===================== */
@media (max-width: 900px) {
  .split {
    grid-template-columns: 1fr;
    gap: clamp(1.25rem, 4vw, 2rem);
  }
  /* A arte vem SEMPRE antes do texto. Com a ordem do desktop preservada, a
     imagem do fim de uma secao encostava na do inicio da seguinte (o quadro
     negro colava no cerebro) e as duas liam como um par solto de renders. */
  .split__art,
  .split--reverse .split__art { order: -1; }
  .split__art img { max-width: 280px; }
  .split__art::before { width: 78%; filter: blur(46px); }
  .split__body > * + * { margin-top: var(--spacing-sm); }

  .pilar,
  .pilar:nth-child(even) { grid-template-columns: 1fr; text-align: center; }
  /* Arte sempre primeiro tambem aqui: com a ordem do desktop os cards impares
     abriam com a imagem e os pares com o texto. */
  .pilar__art,
  .pilar:nth-child(even) .pilar__art { order: -1; }
  .pilar__art img { max-width: 110px; }
  .pilar__text { margin-inline: auto; }
  .pilar__label { letter-spacing: 0.2em; }

  .proof-grid { grid-template-columns: 1fr; }

  /* Infografico vira coluna */
  .flow__track { grid-template-columns: 1fr; gap: 0; }
  .flow__track::before {
    left: calc(var(--node) / 2);
    right: auto;
    top: 5%;
    bottom: 5%;
    height: auto;
    width: 1px;
    background: linear-gradient(to bottom,
      oklch(0.7 0.2 210 / 0.15), oklch(0.7 0.2 210 / 0.55),
      oklch(0.7 0.2 270 / 0.55), oklch(0.7 0.2 270 / 0.15));
  }
  .flow__step {
    display: grid;
    grid-template-columns: var(--node) 1fr;
    gap: 1.1rem;
    align-items: center;
    justify-items: start;
    text-align: left;
    min-height: 0;
    padding-block: 0.85rem;
  }
  .flow__step::after { display: none; }
  .flow__label,
  .flow__step:nth-child(odd) .flow__label,
  .flow__step:nth-child(even) .flow__label {
    position: static;
    transform: none;
    width: auto;
  }
}

@media (max-width: 640px) {
  .section { padding-block: clamp(2.75rem, 7vw, 4rem); }
  .flow { --node: 62px; }
  .flow__node i[data-lucide] { width: 24px; height: 24px; }
  .hero { min-height: min(92vh, 700px); }
  .hero__bg { height: 64%; }
  .hero__bg img { object-position: 57% 36%; }
  .cta-row .btn,
  .form__footer .btn,
  .secondary-offer .btn { width: 100%; }
  .cta-row { flex-direction: column; align-items: stretch; }

  /* Header: mantem marca + botao numa linha so */
  .site-header .btn { padding: 0.65rem 1.15rem; font-size: 0.8125rem; }
  .brand__name { font-size: 0.9375rem; white-space: nowrap; }
  .site-header .brand__name span { display: none; }
  .cta-note { text-align: center; }
  /* Com a headline quebrada em 2 linhas, o underline da linha 1 colide com "Ads"
     na linha 2. No telefone o circulo sozinho ja carrega o traco a mao. */
  .scribble--arrows,
  .scribble--underline { display: none; }
  .orb { filter: blur(60px); opacity: 0.28; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .scribble path { stroke-dashoffset: 0; }
  .js .reveal { opacity: 1; transform: none; }
}