/* RESET BÁSICO */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: #0d1b2a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* NAVEGAÇÃO */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.btn-outline {
    color: #ffffff;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    border-color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
}

/* DOBRA PRINCIPAL (HERO) */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 80px 5% 60px;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(180deg, #ffffff 0%, #a0aabf 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.1rem;
    color: #a0aabf;
    margin-bottom: 40px;
    max-width: 600px;
}

/* BOTÃO DE AÇÃO PRINCIPAL */
.btn-primary {
    background: linear-gradient(180deg, #FF3B30 0%, #B7001C 100%);
    color: #ffffff;
    text-decoration: none;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(183, 0, 28, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(183, 0, 28, 0.4);
}

/* SEÇÃO COMO FUNCIONA */
.features {
    padding: 60px 5%;
    background-color: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    text-align: center;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Android Emoji", "EmojiOne Color", sans-serif;
    font-size: clamp(2.2rem, 3.4vw, 3rem);
    line-height: 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    filter: drop-shadow(0 8px 18px rgba(255, 255, 255, 0.08));
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #ffffff;
}

.feature-card p {
    font-size: 0.95rem;
    color: #a0aabf;
}

/* --- Estilos da Seção de Informações --- */
.app-info {
  padding: 40px 20px;
  background-color: #0d1b2a;
  text-align: center;
}

.app-info h2 {
  font-size: 24px;
  color: #ffffff;
  margin-bottom: 30px;
}

.features-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 24px;
  flex: 1 1 280px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card h3 {
  font-size: 18px;
  color: #ffffff;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: #a0aabf;
  line-height: 1.5;
}

/* --- Estilos do Tutorial --- */
.pwa-tutorial {
  padding: 50px 20px;
  background-color: #0d1b2a;
  text-align: center;
}

.pwa-tutorial h2 {
  font-size: 24px;
  color: #ffffff;
  margin-bottom: 10px;
}

.tutorial-subtitle {
  color: #a0aabf;
  max-width: 600px;
  margin: 0 auto 40px auto;
  line-height: 1.5;
}

.tutorial-container {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
  max-width: 900px;
  margin: 0 auto;
}

.tutorial-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 30px;
  flex: 1 1 300px;
  text-align: left;
}

.tutorial-card.android {
  border-top: 4px solid #3DDC84;
}

.tutorial-card.ios {
  border-top: 4px solid #ffffff;
}

.tutorial-card h3 {
  font-size: 20px;
  margin-bottom: 20px;
  color: #ffffff;
}

.tutorial-card ol {
  padding-left: 20px;
}

.tutorial-card li {
  margin-bottom: 15px;
  color: #dfe7f3;
  font-size: 15px;
  line-height: 1.4;
}

.tutorial-card li strong {
  color: #ffffff;
}

/* RODAPÉ */
footer {
    text-align: center;
    padding: 40px 5%;
    color: #5c6a82;
    font-size: 0.85rem;
}

.footer-note {
    margin-top: 8px;
}

/* RESPONSIVO */
@media (max-width: 768px) {
    .hero {
        padding: 50px 5% 40px;
    }
}