* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

:root {
    --gradient-start: #00f7d3;
    --gradient-end: #0094ff;
    --bg-dark: #2a2a2a;
    --card-bg: #333333;
}

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

.header {
    background: var(--bg-dark);
    padding: 1.5rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    margin-left: auto;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--gradient-start);
}

.language-selector {
    display: flex;
    gap: 0.5rem;
    margin-left: 2rem;
}

.lang-button {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-button.active {
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-color: transparent;
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,247,211,0.05) 0%, rgba(0,148,255,0.05) 100%);
    padding: 2rem;
    text-align: center;
    margin-top: 60px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    color: rgba(255,255,255,0.9);
}

.benefits {
    padding: 3rem 2rem;
    text-align: center;
    background: rgba(0,0,0,0.2);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.benefit-item {
    padding: 2rem;
}

.benefit-item i {
    font-size: 2.5rem;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.features {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem;
    border-radius: 15px;
    background: var(--card-bg);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--gradient-start);
}

.feature-card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pricing {
    padding: 5rem 2rem;
    background: rgba(0,0,0,0.2);
}

.pricing-toggle {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.toggle-button {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.toggle-button.active {
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-color: transparent;
}

.subscription-message {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2rem;
    padding: 1rem;
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
}

.subscription-benefits {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.subscription-benefits p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.9);
}

.subscription-benefits i {
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.plan-card {
    padding: 2.5rem;
    border-radius: 15px;
    background: var(--card-bg);
    border: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.plan-card:hover {
    transform: translateY(-5px);
    border-color: var(--gradient-start);
}

.plan-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 1rem 0;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.plan-features {
    list-style: none;
    margin: 1.5rem 0;
    text-align: left;
    padding: 0 1rem;
}

.plan-features li {
    margin: 0.8rem 0;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: rgba(255,255,255,0.9);
}

.plan-features i {
    font-size: 1rem;
    margin: 0;
    color: var(--gradient-start);
    -webkit-text-fill-color: initial;
}

.button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: 1.5rem;
    border: none;
    cursor: pointer;
}

.button:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(0,247,211,0.3);
}

.floating-button {
    position: fixed;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s ease;
    z-index: 1000;
}

.whatsapp-button {
    bottom: 2rem;
    left: 2rem;
    background: #25D366;
    color: white;
}

.scroll-top {
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    color: white;
    opacity: 0;
    visibility: hidden;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.fa-check {
    -webkit-text-fill-color: white !important;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .plan-card {
        margin: 0 1rem;
    }
    
    .subscription-benefits {
        flex-direction: column;
    }
}