/* ============================================
   VEM OS — Site comercial
   Tema escuro, gradiente azul→ciano (marca)
   ============================================ */

:root {
  --bg: #050810;
  --bg-soft: #0a0f1e;
  --surface: #0e1526;
  --surface-2: #131c33;
  --border: rgba(120, 160, 255, 0.12);
  --border-strong: rgba(120, 160, 255, 0.25);
  --text: #eef2ff;
  --text-muted: #9aa7c7;
  --text-dim: #6b7694;
  --blue: #2555e8;
  --cyan: #22d9e5;
  --cyan-bright: #3ff0f0;
  --gradient: linear-gradient(135deg, #2555e8 0%, #22d9e5 100%);
  --gradient-soft: linear-gradient(135deg, rgba(37, 85, 232, 0.15) 0%, rgba(34, 217, 229, 0.15) 100%);
  --radius: 16px;
  --radius-lg: 24px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.section {
  padding: 96px 0;
  position: relative;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(34, 217, 229, 0.08);
  border: 1px solid rgba(34, 217, 229, 0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 640px;
}

.center { text-align: center; }
.center .section-sub { margin: 0 auto; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 24px rgba(34, 150, 229, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(34, 180, 229, 0.5);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-lg { padding: 17px 36px; font-size: 17px; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background: rgba(5, 8, 16, 0.94);
  border-bottom-color: var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.02em;
}

.logo img { height: 34px; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav a:hover { color: var(--text); }

.header .btn { padding: 10px 22px; font-size: 15px; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 26px;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 170px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(37, 85, 232, 0.25) 0%, rgba(34, 217, 229, 0.08) 40%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
  position: relative;
}

.hero-grid > * { min-width: 0; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--cyan-bright);
  background: rgba(34, 217, 229, 0.08);
  border: 1px solid rgba(34, 217, 229, 0.3);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-bright);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(63, 240, 240, 0.5); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(63, 240, 240, 0); }
}

.hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-stat .num {
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-stat .label {
  font-size: 14px;
  color: var(--text-dim);
}

/* ---------- Chat mockup ---------- */
.chat-mockup {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5), 0 0 60px rgba(34, 150, 229, 0.12);
  width: 420px;
  max-width: 100%;
  margin-left: auto;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  color: #fff;
}

.chat-header-info .name { font-weight: 600; font-size: 15px; }

.chat-header-info .status {
  font-size: 12px;
  color: var(--cyan-bright);
  display: flex;
  align-items: center;
  gap: 5px;
}

.chat-header-info .status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-bright);
}

.chat-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  height: 440px;
  overflow: hidden;
}

.msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.msg.visible { opacity: 1; transform: translateY(0); }

.msg.in {
  background: var(--surface-2);
  border: 1px solid var(--border);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.msg.out {
  background: linear-gradient(135deg, rgba(37, 85, 232, 0.35), rgba(34, 217, 229, 0.25));
  border: 1px solid rgba(34, 217, 229, 0.3);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.msg .meta {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
}

.msg .tool-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--cyan-bright);
  background: rgba(34, 217, 229, 0.1);
  border: 1px solid rgba(34, 217, 229, 0.25);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 6px;
}

.typing {
  display: inline-flex;
  gap: 4px;
  padding: 12px 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  opacity: 0;
  transition: opacity 0.3s;
}

.typing.visible { opacity: 1; }

.typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
  animation: bounce 1.2s infinite;
}

.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-5px); }
}

/* ---------- Barra de destaque ---------- */
.highlight-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 28px 0;
}

.highlight-items {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
}

.highlight-item svg { flex-shrink: 0; }

/* ---------- Cards de módulos ---------- */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.module-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.module-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(34, 150, 229, 0.08);
}

.module-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient-soft);
  border: 1px solid rgba(34, 217, 229, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--cyan);
}

.module-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.module-card p {
  font-size: 14.5px;
  color: var(--text-muted);
}

/* ---------- Seção IA ---------- */
.ia-section {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.ia-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 24px;
}

.ia-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 32px;
}

.ia-action {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.ia-action:hover {
  border-color: var(--border-strong);
  transform: translateX(4px);
}

.ia-action .icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--gradient-soft);
  border: 1px solid rgba(34, 217, 229, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
}

.ia-action h4 { font-size: 16px; font-weight: 700; margin-bottom: 3px; }
.ia-action p { font-size: 14px; color: var(--text-muted); }

.ia-visual {
  position: relative;
}

.tools-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}

.tools-cloud::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top, rgba(37, 85, 232, 0.12), transparent 60%);
  pointer-events: none;
}

.tool-chip {
  font-size: 13px;
  font-weight: 500;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 100px;
  transition: all 0.25s ease;
}

.tool-chip.hot {
  color: var(--cyan-bright);
  border-color: rgba(34, 217, 229, 0.4);
  background: rgba(34, 217, 229, 0.08);
}

.tools-count {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-dim);
}

.tools-count strong { color: var(--cyan); font-size: 16px; }

/* ---------- Telas / Veja por dentro ---------- */
.screens-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 48px 0 28px;
}

.screen-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 10px 22px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.screen-tab:hover { color: var(--text); border-color: var(--border-strong); }

.screen-tab.active {
  color: var(--cyan-bright);
  background: rgba(34, 217, 229, 0.08);
  border-color: rgba(34, 217, 229, 0.4);
}

.browser-frame {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5), 0 0 60px rgba(34, 150, 229, 0.12);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.b-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.b-dot.red { background: #ff5f57; }
.b-dot.yellow { background: #febc2e; }
.b-dot.green { background: #28c840; }

.browser-url {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 5px 18px;
  border-radius: 8px;
}

.browser-viewport {
  position: relative;
  aspect-ratio: 2000 / 1109;
  background: #0d1120;
}

.screen-shot {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.45s ease;
}

.screen-shot.active { opacity: 1; }

.screen-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.screen-shot svg {
  width: 100%;
  height: 100%;
  display: block;
}

.screen-caption {
  text-align: center;
  margin-top: 20px;
  font-size: 15px;
  color: var(--text-muted);
}

/* ---------- Depoimentos ---------- */
.depo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.depo-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-soft) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.depo-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.depo-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(34, 150, 229, 0.08);
}

.depo-card:hover::before { opacity: 1; }

.depo-stars {
  font-size: 15px;
  letter-spacing: 3px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.depo-text {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-muted);
  flex: 1;
}

.depo-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.depo-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
}

.depo-name { font-size: 14.5px; font-weight: 700; }
.depo-role { font-size: 12.5px; color: var(--text-dim); }

.depo-tag {
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(34, 217, 229, 0.08);
  border: 1px solid rgba(34, 217, 229, 0.25);
  padding: 4px 10px;
  border-radius: 100px;
  white-space: nowrap;
}

/* ---------- Diferenciais ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.diff-card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-soft) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.diff-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.diff-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.diff-card:hover::before { opacity: 1; }

.diff-card h3 { font-size: 17px; font-weight: 700; margin: 14px 0 8px; }
.diff-card p { font-size: 14.5px; color: var(--text-muted); }

.diff-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--gradient-soft);
  border: 1px solid rgba(34, 217, 229, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
}

/* ---------- Nichos ---------- */
.nichos-section {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.nichos-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 56px;
}

.nicho-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 12px 16px;
  text-align: center;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
}

.nicho-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(34, 217, 229, 0.4);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 24px rgba(34, 217, 229, 0.1);
}

.nicho-card img {
  height: 84px;
  width: auto;
  margin: 0 auto 8px;
  object-fit: contain;
}

/* logos sem versão transparente (fundo preto) */
.nicho-card img.blend {
  mix-blend-mode: screen;
}

.nicho-card .segment {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.3;
}

/* ---------- Integrações ---------- */
.integr-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 48px;
}

.integr-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.integr-chip:hover { border-color: var(--border-strong); transform: translateY(-2px); }

.integr-chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient);
}

.integr-chip .desc {
  font-size: 12.5px;
  font-weight: 400;
  color: var(--text-dim);
}

/* ---------- CTA final ---------- */
.cta-final {
  position: relative;
  overflow: hidden;
}

.cta-box {
  position: relative;
  background: linear-gradient(135deg, rgba(37, 85, 232, 0.18) 0%, rgba(34, 217, 229, 0.1) 100%);
  border: 1px solid rgba(34, 217, 229, 0.25);
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  text-align: center;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(34, 217, 229, 0.18), transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  position: relative;
}

.cta-box p {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 36px;
  position: relative;
}

.cta-box .btn { position: relative; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  background: var(--bg-soft);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}

.footer .logo img { height: 72px; }

.footer-tagline {
  font-size: 14px;
  color: var(--text-dim);
  max-width: 320px;
  margin-top: 12px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--cyan); }

.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- Balão flutuante WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 90;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), 0 0 0 0 rgba(37, 211, 102, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: wa-pulse 2.6s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  animation: none;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 24px rgba(37, 211, 102, 0.5);
}

@keyframes wa-pulse {
  0% { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), 0 0 0 0 rgba(37, 211, 102, 0.4); }
  70% { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), 0 0 0 0 rgba(37, 211, 102, 0); }
}

@media (max-width: 640px) {
  .whatsapp-float { width: 54px; height: 54px; bottom: 20px; right: 20px; }
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .chat-mockup { width: 100%; margin: 0 auto; }
  .modules-grid, .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .depo-grid { grid-template-columns: repeat(2, 1fr); }
  .nichos-grid { grid-template-columns: repeat(4, 1fr); }
  .ia-grid { grid-template-columns: 1fr; gap: 48px; }
  .nav { display: none; }
  .nav.open {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(5, 8, 16, 0.97);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }
  .menu-toggle { display: block; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { padding: 130px 0 64px; }
  .modules-grid, .diff-grid { grid-template-columns: 1fr; }
  .depo-grid { grid-template-columns: 1fr; }
  .nichos-grid { grid-template-columns: repeat(2, 1fr); }

  /* Telas: URL some pra não brigar com os dots */
  .browser-url { position: static; transform: none; margin-left: auto; padding: 4px 12px; }
  .screen-tab { padding: 9px 16px; font-size: 14px; }
  .highlight-items { justify-content: flex-start; }
  .hero-stats { gap: 24px; }
  .cta-box { padding: 48px 24px; }
  .header .btn-header-cta { display: none; }

  /* CTAs do hero ocupam a largura toda e empilham */
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { width: 100%; justify-content: center; }

  /* Chips do ecossistema em largura total, empilhados */
  .integr-grid { flex-direction: column; align-items: stretch; }
  .integr-chip { width: 100%; justify-content: center; }

  /* Botão da CTA final não estoura o box */
  .cta-box .btn { width: 100%; justify-content: center; white-space: normal; }
}