@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    /* Cores principais */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary-color: #8b5cf6;
    --accent-color: #f59e0b;
    
    /* Cores de fundo */
    --bg-dark: #111827;
    --bg-darker: #0f172a;
    --bg-light: #1f2937;
    
    /* Cores de texto */
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 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);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Animações Melhoradas */
@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes slideIn {
    from { 
        transform: translateX(-100px); 
        opacity: 0; 
    }
    to { 
        transform: translateX(0); 
        opacity: 1; 
    }
}

@keyframes scaleIn {
    from { 
        transform: scale(0.95); 
        opacity: 0; 
    }
    to { 
        transform: scale(1); 
        opacity: 1; 
    }
}

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

/* Classes de Animação */
.animate-fade-in {
    animation: fadeIn 0.8s var(--transition-normal) forwards;
}

.animate-slide-in {
    animation: slideIn 0.8s var(--transition-normal) forwards;
}

.animate-scale-in {
    animation: scaleIn 0.5s var(--transition-normal) forwards;
}

.animate-float {
    animation: floatAnimation 3s ease-in-out infinite;
}

/* Efeitos de Hover Modernos */
.hover-glow {
    transition: all var(--transition-normal);
    position: relative;
}

.hover-glow::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, var(--primary-color) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.hover-glow:hover {
    transform: translateY(-5px);
}

.hover-glow:hover::after {
    opacity: 0.15;
}

/* Cards Modernos */
.card {
    background: var(--bg-light);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.03),
        transparent
    );
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.card:hover::before {
    transform: translateX(100%);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Botões Modernos */
.button {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.button-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
}

.button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

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

.button-secondary:hover {
    background: var(--primary-color);
    color: white;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .button {
        width: 100%;
        justify-content: center;
    }
}

/* Utilitários */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.shadow-glow {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

/* Navegação */
.nav-link {
    position: relative;
    color: var(--text-secondary);
    transition: color var(--transition-normal);
}

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

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

.nav-link:hover::after {
    width: 100%;
}

/* Grid Layout */
.grid-auto-fit {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-light) 25%,
        var(--bg-darker) 50%,
        var(--bg-light) 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Efeitos para Seções */
.section-fade {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

.section-fade.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Gradientes personalizados */
.gradient-text {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Responsividade adicional */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Estilos do Blog */
.category-button {
    padding: 0.5rem 1.5rem;
    border-radius: 0.5rem;
    background: var(--bg-light);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.category-button:hover {
    background: var(--bg-darker);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.category-button.active {
    background: var(--primary-color);
    color: white;
}

/* Cards do Blog */
.blog-card {
    background: var(--bg-light);
    border-radius: 1rem;
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.blog-card img {
    transition: transform var(--transition-normal);
}

.blog-card:hover img {
    transform: scale(1.05);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.blog-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.blog-author img {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    object-fit: cover;
}

/* Paginação */
.pagination-button {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    background: var(--bg-light);
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.pagination-button:hover {
    background: var(--primary-color);
    color: white;
}

.pagination-button.active {
    background: var(--primary-color);
    color: white;
}

/* Newsletter */
.newsletter-section {
    background: linear-gradient(135deg, var(--primary-color)/0.1 0%, var(--secondary-color)/0.1 100%);
    backdrop-filter: blur(10px);
}

.newsletter-input {
    background: var(--bg-darker);
    border: 1px solid var(--bg-light);
    color: var(--text-primary);
    padding: 1rem;
    border-radius: 0.5rem;
    width: 100%;
    transition: all var(--transition-normal);
}

.newsletter-input:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* Artigo Individual */
.article-header {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
    background-size: cover;
    background-position: center;
}

.article-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(17, 24, 39, 0.8), rgba(17, 24, 39, 0.95));
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 1.875rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.article-content p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.article-content ul,
.article-content ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.article-content img {
    max-width: 100%;
    border-radius: 0.5rem;
    margin: 2rem 0;
}

.article-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

.article-content code {
    background: var(--bg-darker);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-family: monospace;
    font-size: 0.9em;
}

.article-content pre {
    background: var(--bg-darker);
    padding: 1.5rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin: 2rem 0;
}

.article-content pre code {
    background: none;
    padding: 0;
}

/* Responsividade do Blog */
@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .article-header {
        min-height: 300px;
        padding: 3rem 1rem;
    }
    
    .article-content {
        padding: 1.5rem;
    }
}