/* =========================================
   1. VARIÁVEIS E RESET (DESIGN SYSTEM)
   ========================================= */
:root {
    /* Cores - Base Slate */
    --slate-50: #f8fafc;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-850: #151f32; /* Intercalação */
    --slate-900: #0f172a; /* Fundo Principal */
    --slate-950: #020617; /* Footer */
    
    /* Cores - Destaques */
    --teal-200: #99f6e4;
    --teal-300: #5eead4;
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --amber-400: #fbbf24;
    --amber-500: #f59e0b;
    
    /* Tipografia e Layout */
    --font-main: 'Inter', sans-serif;
    --container-width: 1280px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--slate-900);
    color: var(--slate-50);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* =========================================
   2. CLASSES UTILITÁRIAS & COMPONENTES
   ========================================= */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding { padding: 6rem 0; }
.bg-900 { background-color: var(--slate-900); }
.bg-850 { background-color: var(--slate-850); border-top: 1px solid var(--slate-800); border-bottom: 1px solid var(--slate-800); }

/* Textos */
.text-teal { color: var(--teal-400); }
.text-amber { color: var(--amber-500); }
.text-muted { color: var(--slate-400); }

.section-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto 4rem auto;
}
.section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition);
}
.btn-primary {
    background-color: var(--teal-400);
    color: var(--slate-900);
    box-shadow: 0 0 15px rgba(45, 212, 191, 0.2);
}
.btn-primary:hover {
    background-color: var(--teal-300);
    transform: translateY(-2px);
}
.btn-outline {
    background-color: var(--slate-800);
    color: white;
    border: 1px solid var(--slate-700);
}
.btn-outline:hover {
    background-color: var(--slate-700);
    border-color: var(--slate-500);
    transform: translateY(-2px);
}

/* Tags e Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    background-color: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--slate-700);
}

/* Animação Ping (Ponto piscante) */
.ping-dot { position: relative; display: flex; width: 8px; height: 8px; }
.ping-dot::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    border-radius: 50%; background-color: inherit; opacity: 0.75;
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}
.ping-dot::after {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    border-radius: 50%; background-color: inherit;
}
@keyframes ping {
    75%, 100% { transform: scale(2.5); opacity: 0; }
}

/* =========================================
   3. HEADER & NAVEGAÇÃO
   ========================================= */
.header {
    position: fixed;
    top: 0; width: 100%; z-index: 50;
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--slate-800);
    transition: var(--transition);
}
.header-content {
    display: flex; justify-content: space-between; align-items: center; height: 5rem;
}
.logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.5rem; font-weight: 700; z-index: 51;}

.desktop-nav { display: none; align-items: center; gap: 2rem; }
.desktop-nav a.nav-link { color: var(--slate-300); font-size: 0.875rem; font-weight: 500; transition: var(--transition); }
.desktop-nav a.nav-link:hover { color: white; }

.mobile-toggle { display: flex; color: var(--slate-300); padding: 0.5rem; z-index: 51; }
.mobile-toggle:hover { color: white; }
.mobile-toggle .icon-close { display: none; }
.mobile-toggle.active .icon-menu { display: none; }
.mobile-toggle.active .icon-close { display: block; }

.mobile-menu {
    position: absolute; top: 5rem; left: 0; width: 100%;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--slate-800);
    padding: 1rem 1.5rem 2rem;
    display: flex; flex-direction: column; gap: 1.25rem;
    transform: translateY(-150%);
    transition: transform 0.3s ease-in-out;
    z-index: 49;
}
.mobile-menu.active { transform: translateY(0); box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5); }
.mobile-menu a.nav-link { font-size: 1.125rem; font-weight: 500; color: var(--slate-300); }
.mobile-menu hr { border: 0; border-top: 1px solid var(--slate-800); margin: 0.5rem 0; }

/* =========================================
   4. SEÇÕES ESPECÍFICAS
   ========================================= */
/* Hero */
.hero { position: relative; padding-top: 10rem; padding-bottom: 6rem; text-align: center; overflow: hidden; }
.hero-glow {
    position: absolute; top: -5rem; right: -5rem; width: 24rem; height: 24rem;
    background-color: rgba(45, 212, 191, 0.1); border-radius: 50%; filter: blur(64px); pointer-events: none;
}
.hero h1 { font-size: 3rem; line-height: 1.1; margin-bottom: 1.5rem; }
.text-gradient {
    background: linear-gradient(to right, var(--teal-400), var(--teal-200));
    -webkit-background-clip: text; color: transparent;
}
.hero p { font-size: 1.125rem; max-width: 42rem; margin: 0 auto 2.5rem auto; color: var(--slate-400); }
.hero-actions { display: flex; flex-direction: column; gap: 1rem; justify-content: center; }

/* Grid Cards */
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }

.card {
    background-color: var(--slate-900); padding: 2rem; border-radius: 1rem;
    border: 1px solid var(--slate-800); transition: var(--transition);
}
.card:hover { border-color: rgba(45, 212, 191, 0.3); }
.card-icon {
    width: 3rem; height: 3rem; background-color: var(--slate-800); border-radius: 0.5rem;
    display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem;
    transition: var(--transition);
}
.card:hover .card-icon { background-color: rgba(45, 212, 191, 0.1); }
.card h3 { font-size: 1.25rem; margin-bottom: 0.75rem; }
.card p { color: var(--slate-400); font-size: 0.95rem; }

/* Split Layouts (Transparência, App, API) */
.split-layout { display: grid; grid-template-columns: 1fr; gap: 4rem; align-items: center; }

.feature-list { list-style: none; margin-bottom: 2rem; display: flex; flex-direction: column; gap: 1rem; }
.feature-item { display: flex; align-items: flex-start; gap: 0.75rem; }
.feature-item i { margin-top: 0.25rem; }

.glass-panel {
    background-color: rgba(30, 41, 59, 0.5); backdrop-filter: blur(8px);
    border: 1px solid var(--slate-700); border-radius: 1.5rem; padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* App Mockup Card */
.app-mockup {
    background: linear-gradient(to bottom right, var(--slate-800), var(--slate-900));
    border: 1px solid var(--slate-700); border-radius: 1.5rem; padding: 2rem;
    position: relative; overflow: hidden;
}
.app-dashboard {
    background-color: var(--slate-900); border: 1px solid var(--slate-700);
    border-radius: 1rem; padding: 1.5rem; transform: rotate(2deg);
    transition: transform 0.5s ease; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}
.app-mockup:hover .app-dashboard { transform: rotate(0deg); }

/* Code Terminal */
.terminal { background-color: #0d1117; border: 1px solid var(--slate-700); border-radius: 0.75rem; overflow: hidden; }
.terminal-header { background-color: rgba(30, 41, 59, 0.5); padding: 0.75rem 1rem; border-bottom: 1px solid var(--slate-700); display: flex; align-items: center; gap: 0.5rem; }
.terminal-dots { display: flex; gap: 6px; }
.terminal-dots span { width: 12px; height: 12px; border-radius: 50%; }
.terminal-dots span:nth-child(1) { background-color: #f43f5e; }
.terminal-dots span:nth-child(2) { background-color: #f59e0b; }
.terminal-dots span:nth-child(3) { background-color: #10b981; }
.terminal-body { padding: 1.5rem; overflow-x: auto; font-family: monospace; font-size: 0.875rem; line-height: 1.6; color: var(--slate-300); }
.code-purple { color: #c084fc; } .code-blue { color: #60a5fa; } .code-green { color: #4ade80; } .code-teal { color: #5eead4; } .code-amber { color: #fbbf24; }

/* Formulário de Contato */
.contact-box { background: linear-gradient(to bottom right, var(--slate-900), var(--slate-950)); border: 1px solid var(--slate-700); border-radius: 1.5rem; padding: 2rem; }
.form-group { margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--slate-300); margin-bottom: 0.5rem; }
.form-control {
    width: 100%; background-color: var(--slate-800); border: 1px solid var(--slate-700);
    border-radius: 0.5rem; padding: 0.75rem 1rem; color: white; font-family: inherit; transition: var(--transition);
}
.form-control:focus { outline: none; border-color: var(--teal-400); box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.2); }
.btn-submit { width: 100%; padding: 1rem; font-size: 1rem; }

/* Footer */
.footer { background-color: var(--slate-950); padding: 3rem 0; border-top: 1px solid var(--slate-800); }
.footer-content { display: flex; flex-direction: column; gap: 1.5rem; align-items: center; text-align: center; }
.social-links { display: flex; gap: 1.5rem; color: var(--slate-500); }
.social-links a:hover { color: var(--teal-400); }

/* Banner de Cookies */
.cookie-banner {
    position: fixed; bottom: 0; left: 0; width: 100%; z-index: 60;
    background-color: rgba(15, 23, 42, 0.95); backdrop-filter: blur(8px);
    border-top: 1px solid var(--slate-800); padding: 1rem;
    transform: translateY(100%); transition: transform 0.5s ease-in-out;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.5);
}
.cookie-banner.show { transform: translateY(0); }
.cookie-content { display: flex; flex-direction: column; gap: 1rem; align-items: center; text-align: center; max-width: var(--container-width); margin: 0 auto; }

/* =========================================
   5. MEDIA QUERIES (DESKTOP)
   ========================================= */
@media (min-width: 768px) {
    .hero { padding-top: 14rem; padding-bottom: 8rem; }
    .hero h1 { font-size: 4.5rem; }
    .hero-actions { flex-direction: row; }
    
    .desktop-nav { display: flex; }
    .mobile-toggle { display: none; }
    
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .split-layout { grid-template-columns: 1fr 1fr; }
    
    .form-row { grid-template-columns: 1fr 1fr; }
    .contact-box { padding: 3rem; }
    
    .footer-content { flex-direction: row; justify-content: space-between; text-align: left; }
    .cookie-content { flex-direction: row; justify-content: space-between; text-align: left; }
}
@media (min-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* App Wallet Mockup (Imagem) */
.wallet-image-wrapper {
    position: relative;
    max-width: 320px;
    margin: 0 auto;
}
.wallet-image-wrapper img {
    width: 100%;
    height: auto;
    border-radius: 2rem; /* Bordas arredondadas imitando celular */
    border: 6px solid var(--slate-800);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 40px rgba(45, 212, 191, 0.1);
    display: block;
}

/* ==========================================
   COMPONENTE: ACCORDION (FAQ)
   ========================================== */
.accordion-container {
  border-top: 1px solid var(--slate-800);
  margin-top: 2rem;
}

.accordion-item {
  border-bottom: 1px solid var(--slate-800);
}

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  background: none;
  border: none;
  color: var(--slate-200);
  font-weight: 600;
  font-size: 1.125rem;
  font-family: inherit;
  cursor: pointer;
  transition: color 0.3s ease;
}

.accordion-header:hover {
  color: var(--teal-400);
}

.accordion-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--slate-400);
  transition: transform 0.3s ease;
}

/* Quando o botão tiver a classe 'active', a setinha gira 180 graus */
.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--teal-400);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.accordion-body {
  padding-bottom: 1.5rem;
  line-height: 1.6;
}

/* ==========================================
   BOTÕES DE COMPARTILHAMENTO
   ========================================== */
.btn-share {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--slate-800);
  color: var(--slate-300);
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-share i {
  width: 18px;
  height: 18px;
}

.btn-share:hover {
  background-color: var(--teal-500);
  color: var(--slate-900);
  transform: translateY(-2px);
}

/* ==========================================
   TOAST NOTIFICATION (Feedback Flutuante)
   ========================================== */
.toast-notification {
  position: fixed;
  bottom: -150px; /* Escondido fora da tela inicialmente */
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--slate-800);
  border: 1px solid var(--slate-700);
  border-radius: 0.75rem;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  z-index: 9999;
  width: max-content;
  max-width: 90vw; /* Evita que quebre no celular */
  
  /* Animação fluida com leve efeito de mola */
  transition: bottom 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
  pointer-events: none; /* Impede que o usuário clique sem querer e atrapalhe a navegação */
}

/* Classe que será injetada pelo JavaScript para mostrar o Toast */
.toast-notification.show {
  bottom: 2rem; /* Sobe para aparecer na tela */
}