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

:root {
  --fundo: #0d1117;
  --superficie: #161b22;
  --borda: #30363d;
  --primaria: #06b6d4;
  --primaria-glow: rgba(6, 182, 212, 0.15);
  --primaria-sutil: rgba(6, 182, 212, 0.08);
  --texto: #e6edf3;
  --texto-fraco: #8b949e;
  --sucesso: #10b981;
  --alerta: #f59e0b;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--fundo);
  color: var(--texto);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* =============================================
   UTILITÁRIOS
   ============================================= */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow,
.section-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primaria);
  margin-bottom: 12px;
}

.section-sub {
  font-size: 17px;
  color: var(--texto-fraco);
  max-width: 560px;
  line-height: 1.7;
  margin-top: 16px;
}

/* =============================================
   HEADER
   ============================================= */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--borda);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--primaria);
  letter-spacing: -0.02em;
}

.logo-img {
  height: 22px;
  width: auto;
  display: block;
}

.logo-footer {
  height: 18px;
  opacity: 0.8;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  font-size: 14px;
  color: var(--texto-fraco);
  transition: color 0.2s;
}

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

/* =============================================
   HERO
   ============================================= */
.hero {
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-texto {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--texto);
  margin-bottom: 20px;
}

.destaque {
  color: var(--primaria);
}

.hero-sub {
  font-size: 16px;
  color: var(--texto-fraco);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 420px;
}

.btn-primary {
  display: inline-block;
  background: var(--primaria);
  color: #0d1117;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 8px;
  transition: opacity 0.2s, transform 0.2s;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* =============================================
   MOCK CARDS (hero visual)
   ============================================= */
.hero-card-wrapper {
  position: relative;
  height: 280px;
}

.mock-card {
  background: var(--superficie);
  border: 1px solid var(--borda);
  border-radius: 14px;
  padding: 20px;
  width: 280px;
  position: absolute;
  animation: cardEntrada 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.mock-card:first-child {
  top: 0;
  left: 0;
  z-index: 2;
  box-shadow: 0 0 0 1px rgba(6, 182, 212, 0.2), 0 20px 40px rgba(0,0,0,0.4);
  animation-delay: 0.2s;
}

.mock-card-2 {
  top: 60px;
  left: 40px;
  z-index: 1;
  opacity: 0.6;
  transform: scale(0.96);
  animation-delay: 0.4s;
}

@keyframes cardEntrada {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mock-card-2 {
  animation-fill-mode: both;
}

.mock-card-2.visivel {
  opacity: 0.6;
  transform: scale(0.96);
}

.mock-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.mock-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primaria-sutil);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--primaria);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mock-nome {
  font-size: 13px;
  font-weight: 600;
  color: var(--texto);
}

.mock-servico {
  font-size: 11px;
  color: var(--texto-fraco);
  margin-top: 2px;
}

.mock-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 20px;
  flex-shrink: 0;
}

.mock-badge.confirmado {
  background: rgba(16, 185, 129, 0.12);
  color: var(--sucesso);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.mock-badge.pendente {
  background: rgba(245, 158, 11, 0.12);
  color: var(--alerta);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.mock-divider {
  height: 1px;
  background: var(--borda);
  margin-bottom: 14px;
}

.mock-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.mock-label {
  font-size: 11px;
  color: var(--texto-fraco);
}

.mock-value {
  font-size: 12px;
  font-weight: 500;
  color: var(--texto);
}

/* =============================================
   PROBLEMA
   ============================================= */
.problema {
  padding: 80px 0;
  border-top: 1px solid var(--borda);
}

.problema h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--texto);
}

/* =============================================
   FUNCIONALIDADES
   ============================================= */
.funcionalidades {
  padding: 80px 0;
  border-top: 1px solid var(--borda);
}

.funcionalidades h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--texto);
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-item {
  background: var(--superficie);
  border: 1px solid var(--borda);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.2s;
}

.feature-item:hover {
  border-color: rgba(6, 182, 212, 0.3);
}

.feature-icon {
  font-size: 24px;
  margin-bottom: 14px;
}

.feature-item h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--texto);
  margin-bottom: 8px;
}

.feature-item p {
  font-size: 13px;
  color: var(--texto-fraco);
  line-height: 1.6;
}

/* =============================================
   COMO FUNCIONA
   ============================================= */
.como-funciona {
  padding: 80px 0;
  border-top: 1px solid var(--borda);
}

.como-funciona h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--texto);
  margin-bottom: 48px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.step-connector {
  width: 2px;
  height: 32px;
  background: var(--borda);
  margin-left: 19px;
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primaria-sutil);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--primaria);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-content {
  padding-top: 8px;
  padding-bottom: 8px;
}

.step-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--texto);
  margin-bottom: 6px;
}

.step-content p {
  font-size: 14px;
  color: var(--texto-fraco);
  line-height: 1.6;
}

/* =============================================
   CTA FINAL
   ============================================= */
.cta-final {
  padding: 80px 0;
  border-top: 1px solid var(--borda);
  text-align: center;
}

.cta-final h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--texto);
  margin-bottom: 16px;
}

.cta-final p {
  font-size: 16px;
  color: var(--texto-fraco);
  margin-bottom: 8px;
}

.cta-contato a {
  color: var(--primaria);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  border-top: 1px solid var(--borda);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 13px;
  color: var(--texto-fraco);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--texto);
}

.footer-copy {
  font-size: 12px;
  color: var(--texto-fraco);
}

/* =============================================
   PÁGINAS INTERNAS (privacidade, termos)
   ============================================= */
.pagina-interna {
  padding: 60px 0 100px;
}

.pagina-interna h1 {
  font-size: clamp(26px, 4vw, 36px);
  margin-bottom: 8px;
}

.pagina-interna .data-atualizacao {
  font-size: 13px;
  color: var(--texto-fraco);
  margin-bottom: 48px;
}

.pagina-interna h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--texto);
  margin-top: 40px;
  margin-bottom: 12px;
}

.pagina-interna p,
.pagina-interna li {
  font-size: 15px;
  color: var(--texto-fraco);
  line-height: 1.8;
  margin-bottom: 12px;
}

.pagina-interna ul {
  padding-left: 20px;
}

.pagina-interna a {
  color: var(--primaria);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* =============================================
   RESPONSIVO
   ============================================= */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-card-wrapper {
    display: flex;
    justify-content: center;
    height: 220px;
  }

  .mock-card {
    width: 260px;
  }

  .mock-card-2 {
    display: none;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .nav {
    display: none;
  }

  .hero {
    padding: 48px 0 64px;
  }
}

@media (max-width: 480px) {
  .mock-card {
    width: 100%;
    max-width: 300px;
  }
}

/* =============================================
   REDUCED MOTION
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  .mock-card,
  .mock-card-2 {
    animation: none;
  }

  .btn-primary:hover {
    transform: none;
  }
}