body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #0a0f17; /* Un poco más suave que #0f172a */
    color: #e2e8f0;
}

header {
    display: flex;
    justify-content: space-between;
    padding: 20px 40px;
    background: rgba(10, 15, 23, 0.95); /* Transparente y más suave */
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(34, 211, 238, 0.1);
}

.logo {
    font-weight: bold;
    font-size: 18px;
    background: linear-gradient(135deg, #22d3ee, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #cbd5e1;
    transition: color 0.3s;
}

nav a:hover {
    color: #22d3ee;
}

.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%) scale(1.1);
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(5,12,22,0.8),
        rgba(12,22,40,0.95)
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 20px;
    transition: transform 0.1s linear, opacity 0.1s linear;
}

.hero-content h1 {
    font-size: 48px;
    color: white;
    text-shadow: 
        0 4px 20px rgba(0,0,0,0.5),
        0 0 30px rgba(34, 211, 238, 0.4);
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 18px;
    color: #e2e8f0;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    background: rgba(15, 25, 40, 0.5);
    padding: 15px 25px;
    border-radius: 50px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.1);
    display: inline-block;
    margin: 20px auto;
}

.btn-primary {
    display: inline-block;
    margin-top: 30px;
    padding: 15px 35px;
    border-radius: 40px;
    background: linear-gradient(135deg, #22d3ee, #8b5cf6);
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.3);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.5);
}

/* PROBLEM/SOLUTION - Fondos más suaves */
.problem-solution {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 80px 20px;
    flex-wrap: wrap;
    background: #0e131d; /* Más suave que el anterior */
}

.problem-card, .solution-card {
    background: #18212b; /* Menos contraste que #1e293b */
    padding: 40px;
    border-radius: 24px;
    width: 350px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.03);
    text-align: center; /* Centra todo el texto */
    display: flex;
    flex-direction: column;
    align-items: center; /* Centra los elementos hijos */
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ef4444, #f97316);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #22d3ee, #8b5cf6);
    text-align: center; /* Asegura que los párrafos también estén centrados */
    max-width: 280px; /* Opcional: controla el ancho del texto para mejor lectura */
    margin-left: auto;
    margin-right: auto;
}

.card-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

/* FEATURES */
.features {
    padding: 80px 20px;
    text-align: center;
    background: #0a0f17;
}

.features h2 {
    background: linear-gradient(135deg, #22d3ee, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    margin-bottom: 20px;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: #18212b; /* Más suave */
    padding: 30px;
    border-radius: 20px;
    width: 260px;
    transition: transform 0.3s;
    border: 1px solid rgba(34, 211, 238, 0.1);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(34, 211, 238, 0.3);
}

.card-icon-large {
    font-size: 56px;
    margin-bottom: 20px;
}

.card-tag {
    display: inline-block;
    background: #0e131d;
    color: #22d3ee;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin-top: 15px;
}

/* HOW */
.how {
    padding: 80px 20px;
    text-align: center;
    background: #0e131d; /* Más suave */
}

.steps {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #18212b;
    padding: 20px;
    border-radius: 16px;
    min-width: 250px;
}

.step-number {
    font-size: 36px;
    font-weight: bold;
    color: #22d3ee;
    background: #0e131d;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.step-content small {
    color: #94a3b8;
    font-size: 12px;
}

/* TECH */
.tech {
    padding: 80px 20px;
    text-align: center;
    background: #0a0f17;
}

.tech-badges {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.badge {
    background: #18212b;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    border: 1px solid rgba(34, 211, 238, 0.3);
    color: #22d3ee;
}

.disclaimer {
    font-size: 13px;
    color: #94a3b8;
    margin-top: 20px;
}

/* CTA */
.cta {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, #1a2a3a, #0e1a2a);
    color: white;
}

.btn-secondary {
    display: inline-block;
    margin-top: 20px;
    padding: 15px 30px;
    background: #22d3ee;
    color: #0a0f17;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.btn-secondary:hover {
    background: #8b5cf6;
    color: white;
    transform: translateY(-3px);
}

.cta-divider {
    display: block;
    margin: 15px 0;
    color: #94a3b8;
    font-size: 14px;
}

.btn-whatsapp {
    display: inline-block;
    padding: 15px 30px;
    background: #25D366;
    color: white;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 10px;
    transition: 0.3s;
}

.btn-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-3px);
}

/* FOOTER */
footer {
    text-align: center;
    padding: 30px;
    background: #0a0f17;
    font-size: 14px;
    border-top: 1px solid rgba(34, 211, 238, 0.1);
}

.footer-links {
    margin-top: 10px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    margin: 0 5px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #22d3ee;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: linear-gradient(135deg, #22d3ee, #8b5cf6);
    color: white;
    font-size: 22px;
    padding: 15px 18px;
    border-radius: 50%;
    text-decoration: none;
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.4);
    transition: 0.3s;
    z-index: 1000;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.6);
}

/* Legal pages */
.legal-container {
    max-width: 900px;
    margin: 80px auto;
    padding: 0 20px;
}

.legal-container h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.legal-container h2 {
    margin-top: 40px;
    color: #22d3ee;
}

.legal-container p {
    color: #cbd5e1;
    line-height: 1.8;
}

.update {
    color: #94a3b8;
    font-size: 14px;
}

/* Particles */
.particles {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(#22d3ee 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.08;
    animation: moveParticles 20s linear infinite;
    z-index: 1;
    pointer-events: none;
}

@keyframes moveParticles {
    from { transform: translateY(0); }
    to { transform: translateY(-40px); }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-content p {
        font-size: 16px;
        padding: 12px 20px;
    }
    
    .problem-card, .solution-card {
        width: 100%;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
        width: 100%;
    }
    
    .step-content {
        text-align: center;
    }
    
    .cards {
        gap: 20px;
    }
    
    .card {
        width: 100%;
        max-width: 300px;
    }
}