:root {
  --bg-primary: #0f172a;
  --bg-secondary: #020617;
  --card: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --highlight: #22c55e;
  --highlight-hover: #16a34a;
}

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

html,
body {
  min-height: 100%;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  line-height: 1.5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero {
  padding: 56px 0 28px;
}

.hero-content {
  text-align: center;
}

.badge {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.16);
  color: #bbf7d0;
  border: 1px solid rgba(34, 197, 94, 0.35);
  font-size: 13px;
  font-weight: 600;
}

h1 {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.subtitle {
  font-size: 18px;
  opacity: 0.8;
  max-width: 820px;
  margin: 0 auto 24px;
}

.hero-banner {
  width: 70%;
  max-width: 900px;
  margin: 0 auto 24px;
  display: block;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.section {
  padding: 48px 0;
}

h2 {
  text-align: center;
  font-size: 30px;
  margin-bottom: 8px;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  margin-bottom: 28px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.flow-card {
  background: var(--card);
  border-radius: 14px;
  padding: 30px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.flow-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.flow-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.flow-card h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.flow-card p {
  color: var(--muted);
}

.phones-wrap {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}

.phone {
  width: 210px;
  height: 430px;
  border-radius: 28px;
  border: 2px solid rgba(148, 163, 184, 0.2);
  background: #0b1220;
  padding: 10px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.phone-topbar {
  width: 40%;
  height: 10px;
  margin: 4px auto 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.25);
}

.phone-screen {
  height: calc(100% - 24px);
  border-radius: 20px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.phone-screen.whatsapp {
  background: linear-gradient(180deg, #25d366, #128c7e);
}

.phone-screen.result {
  background: linear-gradient(180deg, #111827, #0f172a);
}

.emoji {
  font-size: 54px;
  margin-bottom: 10px;
}

.mini-title {
  font-weight: 700;
}

.mini-text {
  font-size: 13px;
  opacity: 0.9;
}

.result-box {
  width: 100%;
  background: rgba(34, 197, 94, 0.16);
  border: 1px solid rgba(34, 197, 94, 0.38);
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 10px;
}

.result-box span {
  display: block;
  font-size: 12px;
  color: #86efac;
}

.result-box strong {
  font-size: 20px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--card);
  border-radius: 14px;
  padding: 22px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.feature-card h3 {
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--muted);
}

.cta {
  text-align: center;
}

.cta p {
  color: var(--muted);
  margin: 8px 0 18px;
}

.btn-primary {
  display: inline-block;
  background: var(--highlight);
  color: #fff;
  padding: 16px 28px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: var(--highlight-hover);
  transform: translateY(-2px);
}

footer {
  text-align: center;
  color: var(--muted);
  padding: 24px 16px 30px;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  margin-top: 18px;
}

/* micro animações */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

.floating {
  animation: float 6s ease-in-out infinite;
}

.floating.delay {
  animation-delay: 0.8s;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsivo */
@media (max-width: 1024px) {
  .flow-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 28px;
  }

  .subtitle {
    font-size: 16px;
  }

  .hero-banner {
    width: 100%;
  }

  .flow-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }
}
