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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #1a1a2e;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #2563eb;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge-b2b {
    font-size: 0.75rem;
    font-weight: 600;
    background: #eff6ff;
    color: #2563eb;
    padding: 2px 8px;
    border-radius: 6px;
    border: 1px solid #bfdbfe;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 24px;
}

.nav-links a {
    text-decoration: none;
    color: #475569;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: #2563eb;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #1a1a2e;
}

.hero {
    padding: 160px 0 100px;
    text-align: center;
    background: linear-gradient(135deg, #eff6ff 0%, #faf5ff 100%);
}

.hero h1 {
    font-size: 2.8rem;
    max-width: 800px;
    margin: 0 auto 16px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    color: #475569;
    max-width: 650px;
    margin: 0 auto 36px;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: background 0.2s, box-shadow 0.2s;
}

.btn-primary {
    background: #2563eb;
    color: #fff;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-secondary {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background: #eff6ff;
}

section {
    padding: 80px 0;
}

section h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 12px;
    color: #1a1a2e;
}

.section-subtitle {
    text-align: center;
    color: #64748b;
    max-width: 650px;
    margin: 0 auto 48px;
    font-size: 1.05rem;
}

.features {
    background: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.feature-card {
    background: #f8fafc;
    padding: 32px 24px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.feature-card p {
    color: #475569;
    font-size: 0.95rem;
}

.pricing {
    background: #f8fafc;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 850px;
    margin: 0 auto;
    align-items: stretch;
}

.pricing-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 36px 28px;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border: 2px solid #2563eb;
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.12);
}

.promo-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.price {
    font-size: 2.2rem;
    font-weight: 800;
    color: #2563eb;
    margin-bottom: 0;
}

.price span {
    font-size: 0.9rem;
    font-weight: 400;
    color: #64748b;
}

.price-detail {
    font-size: 0.88rem;
    color: #059669;
    font-weight: 600;
    margin-bottom: 20px;
}

.pricing-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 28px;
    padding: 0;
    flex-grow: 1;
}

.pricing-card li {
    padding: 8px 0;
    color: #475569;
    font-size: 0.95rem;
}

.pricing-card li::before {
    content: '\2713';
    color: #2563eb;
    font-weight: 700;
    margin-right: 8px;
}

/* Validación Section */
.validation {
    background: #fff;
}

.validation-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.step {
    background: #f8fafc;
    padding: 28px 20px;
    border-radius: 12px;
    border-left: 4px solid #2563eb;
}

.step-num {
    display: inline-block;
    width: 28px;
    height: 28px;
    background: #2563eb;
    color: #fff;
    border-radius: 50%;
    text-align: center;
    line-height: 28px;
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.step h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.step p {
    color: #475569;
    font-size: 0.92rem;
}

.about {
    background: #f8fafc;
}

.about p {
    max-width: 720px;
    margin: 0 auto 16px;
    color: #475569;
    font-size: 1.05rem;
    text-align: center;
}

.contact {
    background: #fff;
}

.contact p {
    text-align: center;
    color: #475569;
    margin-bottom: 32px;
}

.contact-form {
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px 16px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.contact-form button {
    align-self: flex-start;
}

.footer {
    border-top: 1px solid #e2e8f0;
    padding: 24px 0;
}

.footer-content {
    text-align: center;
    color: #94a3b8;
    font-size: 0.9rem;
}

.footer-links {
    margin-top: 8px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: underline;
}

.footer-links a:hover {
    color: #2563eb;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: #fff;
        border-bottom: 1px solid #e2e8f0;
        padding: 16px 20px;
        gap: 16px;
    }

    .nav-links.open {
        display: flex;
    }

    .hamburger {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .features-grid,
    .pricing-grid,
    .validation-steps {
        grid-template-columns: 1fr;
    }
}