/* ============================================
   WFConnected - Estilos Globais
   ============================================ */

/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores */
    --bg-dark: #0a0e27;
    --bg-darker: #050811;
    --text-white: #ffffff;
    --text-light: #e0e0e0;
    --text-muted: #b0b0b0;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #1e40af 0%, #6d28d9 100%);
    --gradient-logo: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #8b5cf6 100%);
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Tipografia */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   Header
   ============================================ */

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) 0;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: var(--text-white);
    transition: transform var(--transition-fast);
}

.logo-container:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-logo);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--text-white);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
    display: block;
}

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

nav a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

nav a:hover {
    color: #60a5fa;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

nav a:hover::after {
    width: 100%;
}

/* Menu Mobile */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    line-height: 1.6;
    max-width: 500px;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient-primary);
    color: var(--text-white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    margin-top: var(--spacing-sm);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.hero-graphic {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.graphic-sphere {
    width: 400px;
    height: 400px;
    position: relative;
    margin: 0 auto;
}

.sphere-base {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(59, 130, 246, 0.3), rgba(139, 92, 246, 0.2));
    position: relative;
    overflow: hidden;
}

.sphere-nodes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.node {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #60a5fa;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(96, 165, 250, 0.6);
}

.node-1 { top: 20%; left: 30%; animation: float 3s ease-in-out infinite; }
.node-2 { top: 40%; left: 60%; animation: float 3s ease-in-out infinite 0.5s; }
.node-3 { top: 60%; left: 25%; animation: float 3s ease-in-out infinite 1s; }
.node-4 { top: 70%; left: 70%; animation: float 3s ease-in-out infinite 1.5s; }
.node-5 { top: 30%; left: 75%; animation: float 3s ease-in-out infinite 2s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.node-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, rgba(96, 165, 250, 0.3), transparent);
    transform-origin: left center;
}

.logo-in-sphere {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    font-weight: bold;
    background: var(--gradient-logo);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Brands Section
   ============================================ */

.brands-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--bg-darker);
}

.brands-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-white);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.brand-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.brand-card:hover {
    transform: translateY(-5px);
    border-color: rgba(96, 165, 250, 0.5);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
}

.brand-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-white);
}

.brand-description {
    color: var(--text-muted);
    line-height: 1.6;
    flex-grow: 1;
}

.brand-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--text-white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    text-align: center;
    margin-top: var(--spacing-sm);
    border: none;
    cursor: pointer;
}

.brand-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

/* ============================================
   Footer
   ============================================ */

footer {
    background-color: var(--bg-darker);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 1.2rem;
}

.social-icon:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(10, 14, 39, 0.98);
        flex-direction: column;
        padding: var(--spacing-md);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    nav.active {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-graphic {
        height: 300px;
    }
    
    .graphic-sphere {
        width: 300px;
        height: 300px;
    }
    
    .logo-in-sphere {
        font-size: 3rem;
    }
    
    .brands-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .graphic-sphere {
        width: 250px;
        height: 250px;
    }
}