:root {
    --primary-color: #009ee3; /* Mercado Pago Blue */
    --secondary-color: #008037; /* Success Green */
    --dark-bg: #020617;
    --card-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-bg);
    background-image: 
        radial-gradient(at 0% 0%, rgba(0, 158, 227, 0.12) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 128, 55, 0.08) 0px, transparent 50%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 8%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    height: 60px;
    filter: drop-shadow(0 0 10px rgba(0, 158, 227, 0.2));
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.btn-nav {
    background: linear-gradient(135deg, var(--primary-color), #0077b6);
    padding: 0.6rem 1.5rem;
    border-radius: 12px;
    font-weight: 600 !important;
    box-shadow: 0 10px 15px -3px rgba(0, 158, 227, 0.3);
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px -5px rgba(0, 158, 227, 0.5);
    color: white !important;
}

/* Hero Section */
.hero {
    padding: 12rem 8% 6rem;
    text-align: center;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* Modules Grid */
.modules-container {
    padding: 2rem 8% 8rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.module-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 3rem;
    text-align: left;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.module-card:hover {
    transform: translateY(-15px);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 158, 227, 0.4);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.5);
}

.module-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 158, 227, 0.1);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.module-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.module-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    flex-grow: 1;
}

.module-benefits {
    list-style: none;
    margin-bottom: 2.5rem;
}

.module-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.module-benefits i {
    color: var(--secondary-color);
}

.btn-module {
    padding: 1rem 2rem;
    border-radius: 15px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
    width: 100%;
}

.btn-transfer {
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.btn-transfer:hover {
    background: var(--secondary-color);
    color: white;
}

.btn-subs {
    background: rgba(0, 158, 227, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(0, 158, 227, 0.2);
}

.btn-subs:hover {
    background: var(--primary-color);
    color: white;
}

/* Features List */
.features-mini {
    padding: 6rem 8%;
    background: rgba(0, 0, 0, 0.2);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.mini-card i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    display: block;
}

.mini-card h4 {
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.mini-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Footer */
footer {
    padding: 4rem 8%;
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

footer p {
    color: #475569;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero h1 { font-size: 3rem; }
    .nav-links { display: none; }
    .modules-container { grid-template-columns: 1fr; }
}
