/* ============================================
   VARIÁVEIS DE CORES E TEMAS
   ============================================ */
:root {
    /* Cores Primárias */
    --color-primary: #1a7a7a;        /* Teal */
    --color-primary-dark: #0d4d4d;   /* Teal Escuro */
    --color-secondary: #d4af37;      /* Amarelo Ouro */
    --color-secondary-bright: #ffeb3b; /* Amarelo Brilhante */
    
    /* Cores Neutras */
    --color-white: #ffffff;
    --color-black: #0a0e27;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-500: #6b7280;
    --color-gray-700: #374151;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Tipografia */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Raio de Borda */
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* ============================================
   RESET E ESTILOS BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.container-small {
    max-width: 800px;
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    height: 100px;
    width: auto;
}

.logo-text {
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    display: none;
}

@media (min-width: 640px) {
    .logo-text {
        display: inline;
    }
}

.nav {
    display: none;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
}

.nav-link {
    font-size: var(--font-size-sm);
    color: var(--color-black);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

.hero-title .highlight {
    color: var(--color-secondary);
}

.hero-description {
    font-size: var(--font-size-lg);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.check-icon {
    color: var(--color-secondary);
    font-weight: 700;
}

.hero-image {
    display: none;
}

@media (min-width: 768px) {
    .hero-image {
        display: block;
    }
}

.responsive-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #c9a227;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.btn-whatsapp:hover {
    background-color: #c9a227;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   FORM SECTION
   ============================================ */
.form-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-white);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.form-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.form-header p {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
}

.form-container {
    background-color: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    min-height: 24rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading {
    text-align: center;
    color: var(--color-gray-500);
}

.loading p {
    margin-bottom: var(--spacing-md);
}

.spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.form-privacy {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-md);
}

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(to bottom, var(--color-gray-50), var(--color-white));
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-black);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.benefit-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.benefit-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.benefit-card p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ============================================
   CAMPAIGN INFO SECTION
   ============================================ */
.campaign-info {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-white);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.info-card {
    background: linear-gradient(135deg, rgba(26, 122, 122, 0.05) 0%, rgba(212, 175, 55, 0.05) 100%);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.info-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.info-card p {
    font-size: var(--font-size-base);
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.info-card p.small {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ============================================
   REGULATIONS SECTION
   ============================================ */
.regulations {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-gray-50);
}

.regulations-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.regulation-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.regulation-item h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.regulation-item p {
    color: var(--color-black);
    line-height: 1.8;
}

.regulation-note {
    background: linear-gradient(135deg, rgba(26, 122, 122, 0.1) 0%, rgba(212, 175, 55, 0.1) 100%);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.regulation-note p {
    color: var(--color-black);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-white);
}

.contact-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
}

.contact-text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-info {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
    margin-top: var(--spacing-lg);
}

.contact-info strong {
    display: block;
    font-size: var(--font-size-lg);
    margin-top: var(--spacing-sm);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo {
    height: 2rem;
    width: auto;
}

.footer-brand {
    font-weight: 700;
}

.footer-text {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 640px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }

    .btn {
        padding: var(--spacing-md) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .form-header h2 {
        font-size: var(--font-size-3xl);
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .header,
    .hero-buttons,
    .contact,
    .footer {
        display: none;
    }
}