* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

body {
    background: #ffffff;
    color: #1f2937;
    line-height: 1.6;
}

/* HEADER */
.header {
    border-bottom: 1px solid #e5e7eb;
}

.header-container {
    max-width: 1200px;
    margin: auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 22px;
    color: #2563eb;
}

.nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #374151;
    font-weight: 500;
}

.nav-cta {
    padding: 8px 14px;
    border-radius: 6px;
    background: #2563eb;
    color: white !important;
}

/* HERO */
.hero {
    background: #f9fafb;
    padding: 90px 24px;
}

.hero-content {
    max-width: 760px;
    margin: auto;
    text-align: center;
}

.badge {
    display: inline-block;
    background: #e0e7ff;
    color: #3730a3;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 13px;
    margin-bottom: 20px;
}

.hero h2 {
    font-size: 38px;
    margin-bottom: 16px;
}

.hero p {
    font-size: 18px;
    color: #4b5563;
    margin-bottom: 32px;
}

.hero-note {
    margin-top: 24px;
    font-size: 14px;
    color: #6b7280;
}

/* BUTTONS */
.btn-primary {
    background: #2563eb;
    color: white;
    padding: 14px 26px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
}

.btn-secondary {
    background: #e5e7eb;
    color: #1f2937;
    padding: 14px 26px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* SECTIONS */
.section {
    max-width: 1200px;
    margin: auto;
    padding: 72px 24px;
}

.section-alt {
    background: #f9fafb;
}

.section h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 48px;
}

/* PROBLEM SECTION */
.problem-section {
    background: #fef2f2;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.problem-card {
    background: white;
    border: 2px solid #fca5a5;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.problem-card h4 {
    margin: 12px 0 8px;
    font-size: 18px;
}

.problem-icon {
    font-size: 42px;
    margin-bottom: 12px;
}

.problem-solution {
    text-align: center;
    background: white;
    border: 2px solid #2563eb;
    border-radius: 12px;
    padding: 32px;
    max-width: 700px;
    margin: auto;
}

.solution-text {
    font-size: 18px;
    margin: 0;
}

/* MODULES */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.module-card {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 28px;
    background: white;
}

.module-card h4 {
    margin-bottom: 10px;
}

.module-card.highlight {
    border-color: #2563eb;
    background: #f0f5ff;
}

.module-icon {
    font-size: 32px;
    margin-bottom: 8px;
    display: block;
}

/* BENEFITS */
.benefits {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
}

.benefit {
    max-width: 300px;
    text-align: center;
}

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

.benefit-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 28px;
}

.benefit-card h4 {
    margin: 12px 0 8px;
}

.benefit-number {
    display: inline-block;
    background: #2563eb;
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    line-height: 48px;
    text-align: center;
    font-weight: 700;
    margin-bottom: 16px;
    font-size: 18px;
}



/* FLOW */
.flow {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.flow-step {
    text-align: center;
    max-width: 220px;
}

.flow-step span {
    display: inline-block;
    width: 44px;
    height: 44px;
    background: #2563eb;
    color: white;
    border-radius: 50%;
    line-height: 44px;
    font-weight: 700;
    margin-bottom: 12px;
}

.flow-step h5 {
    margin: 8px 0 4px;
    font-size: 16px;
    font-weight: 600;
}

/* CONTACT */
.contact-section {
    text-align: center;
}

.contact-text {
    font-size: 18px;
    color: #6b7280;
    margin-bottom: 32px;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #25D366;
    color: white;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    transition: transform 0.2s;
}

.btn-whatsapp:hover {
    transform: scale(1.05);
}

/* CTA */
.cta {
    background: #2563eb;
    color: white;
    text-align: center;
    padding: 72px 24px;
}

.cta h3 {
    color: white;
}

.cta p {
    color: #dbeafe;
    margin: 16px 0 28px;
}

.btn-cta-large {
    font-size: 20px;
    padding: 18px 40px;
}

.cta-note {
    margin-top: 16px;
    font-size: 14px;
    color: #dbeafe;
}

/* FOOTER */
.footer {
    border-top: 1px solid #e5e7eb;
    text-align: center;
    padding: 28px;
    font-size: 14px;
    color: #6b7280;
}

.footer-content {
    max-width: 600px;
    margin: auto;
}

.footer-content p {
    margin: 8px 0;
}

.footer-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 8px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 28px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .header-container {
        flex-direction: column;
        gap: 16px;
    }
    
    .nav a {
        margin: 0 10px;
    }
}