:root {
    --bg-main: #0B111E;       
    --bg-card: #141C2F;       
    --primary: #1CE1CE;       
    --secondary: #7000FF;     
    --text-main: #F3F4F6;     
    --text-muted: #9CA3AF;    
    --border-color: #242F47;  
    --font-stack: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-family: var(--font-stack);
    background-color: var(--bg-main);
    color: var(--text-main);
}

body {
    line-height: 1.6;
    background-color: var(--bg-main);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

nav {
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    background-color: rgba(11, 17, 30, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 700;
    margin-left: 24px;
    transition: color 0.3s;
}

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

h1, h2, h3 {
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.2;
    color: #fff;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    margin-bottom: 24px;
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: 16px;
}

h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 12px;
}

p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

header {
    padding: 100px 0 60px 0;
    text-align: center;
}

section {
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-weight: 700;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #12B5A5);
    color: #000;
    box-shadow: 0 4px 20px rgba(28, 225, 206, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(28, 225, 206, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(28, 225, 206, 0.05);
}

.gradient-text {
    background: linear-gradient(135deg, #FFF, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.use-case-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: 12px;
    transition: border-color 0.3s;
}

.use-case-card:hover {
    border-color: var(--primary);
}

.transaction-box {
    background: linear-gradient(135deg, var(--bg-card), #182238);
    border: 2px solid var(--border-color);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    margin-top: 40px;
}

@media (max-width: 1024px) {
    .container { padding: 0 20px; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 768px) {
    header, section { padding: 50px 0 !important; }
    .grid-2 { grid-template-columns: 1fr; gap: 20px; }
    .nav-links { display: none; }
    .cta-group { flex-direction: column; }
    .btn { width: 100%; text-align: center; }
}

@media (max-width: 480px) {
    header, section { padding: 40px 0 !important; }
    h1 { font-size: 2rem !important; letter-spacing: -0.02em; }
    h2 { font-size: 1.5rem !important; text-align: left; }
    h3 { font-size: 1.25rem; }
    p { font-size: 1rem; line-height: 1.5; }
    .use-case-card, .transaction-box { padding: 20px !important; border-radius: 6px; }
}

/* --- Seção de Portfólio de Logos --- */
.logo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.logo-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.logo-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.logo-img-wrapper {
    background-color: rgba(11, 17, 30, 0.6);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
}

.logo-img-wrapper img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.logo-card h4 {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 4px;
}

.logo-card span {
    font-size: 0.85rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
}

/* --- Seção de Checkout e Confiança --- */
.badges-container {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-main);
    font-weight: 700;
}

.badge-icon {
    color: var(--primary);
    font-size: 1.2rem;
}

.crypto-alert {
    background-color: rgba(28, 225, 206, 0.03);
    border-left: 4px solid var(--primary);
    padding: 20px;
    border-radius: 0 8px 8px 0;
    margin-top: 32px;
    text-align: left;
    display: inline-block;
    max-width: 800px;
}

/* Ajuste do botão de compra principal para destaque máximo */
.btn-buy-now {
    background: linear-gradient(135deg, var(--primary), #00F5D4);
    color: #000;
    font-size: 1.3rem;
    padding: 18px 48px;
    letter-spacing: -0.01em;
    box-shadow: 0 0 30px rgba(28, 225, 206, 0.4);
}

.btn-buy-now:hover {
    transform: scale(1.02);
    box-shadow: 0 0 40px rgba(28, 225, 206, 0.6);
}