/* ========================================
   MINA DE LEADS - LANDING PAGE STYLES
   ======================================== */

/* ========== CSS VARIABLES ========== */
:root {
    /* Colors */
    --color-primary: #D4AF37;
    --color-primary-dark: #B8960C;
    --color-primary-light: #F0D86E;
    --color-dark: #1A1A1A;
    --color-dark-secondary: #2D2D2D;
    --color-light: #FFFFFF;
    --color-light-secondary: #F5F5F5;
    --color-gray: #6B6B6B;
    --color-gray-light: #E0E0E0;
    
    /* Typography */
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* ========== RESET & BASE ========== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

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

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-dark);
    border-color: var(--color-dark);
}

.btn-secondary:hover {
    background-color: var(--color-dark);
    color: var(--color-light);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-gray-light);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-dark);
}

.logo-icon {
    color: var(--color-primary);
    font-size: 1.5rem;
}

.nav {
    display: none;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray);
    transition: color var(--transition-fast);
}

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

.header-cta {
    display: none;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-dark);
    transition: all var(--transition-fast);
}

/* Mobile Menu Active State */
.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== HERO SECTION ========== */
.hero {
    padding-top: calc(72px + var(--spacing-2xl));
    padding-bottom: var(--spacing-3xl);
    background: linear-gradient(180deg, var(--color-light-secondary) 0%, var(--color-light) 100%);
}

.hero-content {
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    text-wrap: balance;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.hero-bullets {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero-bullets li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
}

.bullet-icon {
    color: var(--color-primary);
    font-weight: 700;
}

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

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    position: relative;
    width: 280px;
    height: 280px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.central-icon {
    position: relative;
    z-index: 2;
    background: var(--color-light);
    border-radius: 50%;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(212, 175, 55, 0.2);
}

.gold-nugget {
    position: absolute;
    color: var(--color-primary);
    font-size: 1.5rem;
    opacity: 0.6;
}

.gold-nugget-1 { top: 20%; left: 10%; }
.gold-nugget-2 { top: 60%; right: 5%; }
.gold-nugget-3 { bottom: 15%; left: 25%; }

.data-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px dashed var(--color-gray-light);
}

.data-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    opacity: 0.3;
}

.data-line:nth-child(1) { top: 30%; left: 0; right: 0; }
.data-line:nth-child(2) { top: 50%; left: 10%; right: 10%; }
.data-line:nth-child(3) { top: 70%; left: 5%; right: 5%; }

/* ========== SECTIONS ========== */
.section {
    padding: var(--spacing-3xl) 0;
}

/* ========== COMO FUNCIONA ========== */
.como-funciona {
    background-color: var(--color-light);
}

.steps-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.step-card {
    background: var(--color-light-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    position: relative;
}

.step-number {
    position: absolute;
    top: -12px;
    left: 24px;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: var(--color-dark);
    font-weight: 700;
    font-size: 1.25rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-title {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

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

/* ========== BENEFÍCIOS ========== */
.beneficios {
    background-color: var(--color-light-secondary);
}

.benefits-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.benefit-card {
    background: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    background: var(--color-light-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.benefit-title {
    margin-bottom: var(--spacing-xs);
    font-size: 1.125rem;
}

.benefit-description {
    color: var(--color-gray);
    font-size: 0.9375rem;
}

/* ========== PARA QUEM ========== */
.para-quem {
    background-color: var(--color-light);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.audience-card {
    background: var(--color-light-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.audience-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.audience-card h3 {
    font-size: 1rem;
    font-weight: 600;
}

/* ========== DIFERENCIAIS ========== */
.diferenciais {
    background-color: var(--color-dark);
    color: var(--color-light);
}

.diferenciais .section-title,
.diferenciais .section-subtitle {
    color: var(--color-light);
}

.diferenciais .section-subtitle {
    opacity: 0.8;
}

.diferenciais-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.diferencial-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.diferencial-icon {
    color: var(--color-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 4px;
}

.diferencial-item h3 {
    color: var(--color-light);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.diferencial-item p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

/* ========== PROVA DE VALOR ========== */
.prova-valor {
    background-color: var(--color-light-secondary);
}

.prova-content {
    max-width: 800px;
    margin: 0 auto;
}

.prova-grid {
    display: grid;
    gap: var(--spacing-md);
}

.prova-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--color-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
}

.prova-check {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.prova-item p {
    font-weight: 500;
}

/* ========== CTA SECTION ========== */
.cta-section {
    background-color: var(--color-light);
}

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

.cta-box h2 {
    color: var(--color-light);
    margin-bottom: var(--spacing-sm);
}

.cta-box p {
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ========== CONTATO ========== */
.contato {
    background-color: var(--color-light-secondary);
}

.contato-content {
    display: grid;
    gap: var(--spacing-xl);
}

.contato-text .section-title,
.contato-text .section-subtitle {
    text-align: left;
    margin-left: 0;
}

.contato-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

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

.info-icon {
    color: var(--color-primary);
}

/* Form Styles */
.contato-form {
    background: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: var(--font-family);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    background: var(--color-light);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray);
}

.form-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-top: var(--spacing-md);
}

/* ========== FOOTER ========== */
.footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--color-light);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.footer-contact .btn-secondary {
    color: var(--color-light);
    border-color: var(--color-light);
}

.footer-contact .btn-secondary:hover {
    background-color: var(--color-light);
    color: var(--color-dark);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ========== RESPONSIVE - TABLET ========== */
@media (min-width: 640px) {
    .hero-ctas {
        flex-direction: row;
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .audience-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .diferenciais-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .prova-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contato-form {
        padding: var(--spacing-xl);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========== RESPONSIVE - DESKTOP ========== */
@media (min-width: 1024px) {
    .nav {
        display: block;
    }
    
    .header-cta {
        display: inline-flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero-graphic {
        width: 400px;
        height: 400px;
    }
    
    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .benefits-grid .benefit-card:nth-child(4),
    .benefits-grid .benefit-card:nth-child(5) {
        grid-column: span 1;
    }
    
    .audience-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .contato-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-3xl);
        align-items: start;
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* ========== MOBILE NAV OVERLAY ========== */
@media (max-width: 1023px) {
    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-light);
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--color-gray-light);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav.active {
        display: block;
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .nav-link {
        font-size: 1.125rem;
    }
}

/* ========== FORM SUCCESS STATE ========== */
.form-success {
    text-align: center;
    padding: var(--spacing-xl);
}

.form-success h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.form-success p {
    color: var(--color-gray);
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ========== UTILITY CLASSES ========== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}


/* ========== PERFORMANCE HELPERS ========== */
.hero,
.section,
.footer {
    content-visibility: auto;
    contain-intrinsic-size: 1px 800px;
}

@media (max-width: 639px) {
    .container {
        padding: 0 1rem;
    }
}