:root {
    --color-dark: #1F2937;
    --color-darker: #111827;
    --color-primary: #F59E0B; /* Amarelo/Dourado */
    --color-primary-hover: #D97706;
    --color-white: #FFFFFF;
    --color-gray-light: #F3F4F6;
    --color-gray: #6B7280;
    --color-gray-dark: #374151;
    --color-whatsapp: #25D366;
    
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--color-dark);
    line-height: 1.6;
    background-color: var(--color-white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Utilities */
.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }
.bg-light { background-color: var(--color-gray-light); }
.bg-dark { background-color: var(--color-darker); color: var(--color-white); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
    text-align: center;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-darker);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--color-white);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2.5rem;
}

section {
    padding: 5rem 0;
}

/* Header */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 40px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-list a {
    font-weight: 500;
    color: var(--color-gray-dark);
}

.nav-list a:hover {
    color: var(--color-primary);
}

.nav-whatsapp {
    background-color: var(--color-whatsapp);
    color: var(--color-white) !important;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.nav-whatsapp:hover {
    background-color: #1DA851;
}

/* Hero */
.hero {
    background-color: var(--color-darker);
    color: var(--color-white);
    padding: 4rem 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #9CA3AF;
    margin-bottom: 2rem;
}

.hero-price {
    background-color: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--color-primary);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
}

.price-label {
    display: block;
    font-size: 0.875rem;
    color: #9CA3AF;
}

.price-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
    margin: 0.25rem 0;
}

.price-note {
    font-size: 0.75rem;
    color: #6B7280;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.image-placeholder {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

/* Trust Bar */
.trust-bar {
    background-color: var(--color-white);
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.trust-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.trust-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
}

.trust-card svg {
    color: var(--color-primary);
}

.trust-card span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-dark);
}

/* How it Works */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.step-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    color: var(--color-darker);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.step-card h3 {
    font-size: 1.125rem;
}

.step-card p {
    color: var(--color-gray);
    font-size: 0.9375rem;
}

/* Benefits */
.benefits-grid {
    max-width: 800px;
    margin: 0 auto;
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--color-gray-light);
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
    font-weight: 500;
}

.benefits-list svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.pricing-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--color-gray-light);
}

.pricing-card.highlight {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    background-color: #FFFBEB; /* very light yellow */
}

.pricing-card h3 {
    font-size: 1.125rem;
    color: var(--color-gray-dark);
}

.pricing-card .price {
    font-size: 1rem;
    color: var(--color-gray);
    margin-top: 1rem;
}

.pricing-card .price strong {
    display: block;
    font-size: 1.75rem;
    color: var(--color-darker);
}

.pricing-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray);
}

/* Locations */
.locations-container {
    display: flex;
    justify-content: center;
}

.locations-content {
    background-color: var(--color-gray-light);
    padding: 3rem;
    border-radius: var(--radius-lg);
    max-width: 800px;
    text-align: center;
}

.locations-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.locations-list li {
    background-color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: 999px;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    border: 1px solid #E5E7EB;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.5rem;
    background: none;
    border: none;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-darker);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
}

.faq-question svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--color-gray);
}

.faq-item.active .faq-answer {
    padding-bottom: 1.5rem;
    max-height: 500px;
}

/* CTA Final */
.cta-final {
    background-color: var(--color-primary);
    color: var(--color-darker);
}

.cta-final p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

.cta-final .btn-primary {
    background-color: var(--color-darker);
    color: var(--color-white);
}

.cta-final .btn-primary:hover {
    background-color: #374151;
}

/* Footer */
.footer {
    background-color: var(--color-darker);
    color: var(--color-gray-light);
    padding: 4rem 0 2rem;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1.5rem;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: #9CA3AF;
    margin-bottom: 0.5rem;
}

.footer-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-white);
    font-weight: 600;
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: transform 0.2s ease;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
}

/* Responsive */
@media (max-width: 992px) {
    h2 { font-size: 1.75rem; }
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-actions {
        justify-content: center;
    }
    .trust-container, .steps-grid, .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section { padding: 3rem 0; }
    .nav-list {
        display: none; /* simple mobile menu - only whatsapp logic */
    }
    .nav-list.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        padding: 1rem;
        box-shadow: var(--shadow-md);
    }
    
    .hero h1 { font-size: 2rem; }
    .trust-container, .steps-grid, .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .header-container {
        justify-content: center; /* Center logo on mobile if menu hidden */
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .floating-whatsapp {
        bottom: 1.5rem;
        right: 1.5rem;
    }
}