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

:root {
    /* Cores do tema dark */
    --background: hsl(220, 20%, 8%);
    --foreground: hsl(210, 20%, 95%);
    --card: hsl(220, 18%, 12%);
    --card-foreground: hsl(210, 20%, 95%);
    --primary: hsl(185, 85%, 50%);
    --primary-foreground: hsl(220, 20%, 8%);
    --secondary: hsl(220, 15%, 18%);
    --secondary-foreground: hsl(210, 20%, 90%);
    --muted: hsl(220, 15%, 15%);
    --muted-foreground: hsl(215, 15%, 55%);
    --border: hsl(220, 15%, 20%);
    --cyan-glow: hsl(185, 100%, 55%);
    --glass-bg: hsla(220, 20%, 12%, 0.7);
    --glass-border: hsla(185, 50%, 40%, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.blog-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

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

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.3s;
}

.logo-link:hover {
    opacity: 0.8;
}

.logo-link svg {
    height: 40px;
    width: auto;
}

.blog-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--secondary);
    border: 1px solid var(--glass-border);
    border-radius: 9999px;
    font-size: 0.875rem;
    color: var(--muted-foreground);
    font-weight: 500;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Hero Section */
.hero-section {
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--secondary);
    border: 1px solid var(--glass-border);
    border-radius: 9999px;
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--cyan-glow) 50%, hsl(200, 80%, 50%) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 42rem;
    margin: 0 auto;
}

/* Section */
.section {
    padding: 4rem 0;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.section-heading {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-heading .gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--cyan-glow) 50%, hsl(200, 80%, 50%) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

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

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Blog Card */
.blog-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.3s;
    display: block;
    height: 100%;
    color: inherit;
}

.blog-card > a {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.blog-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px -10px rgba(0, 217, 255, 0.3);
}

.blog-card:hover .card-title {
    color: var(--primary);
}

.blog-card:hover .card-link {
    gap: 0.75rem;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-bottom: 0.75rem;
}

.card-meta svg {
    width: 1rem;
    height: 1rem;
}

.card-category {
    color: var(--primary);
    font-weight: 500;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--foreground);
    transition: color 0.3s;
}

.blog-card:hover .card-title {
    color: var(--primary);
}

.card-excerpt {
    color: var(--muted-foreground);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 500;
    transition: gap 0.3s;
}

.blog-card:hover .card-link {
    gap: 0.75rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.card-tag {
    padding: 0.25rem 0.5rem;
    background: var(--secondary);
    border-radius: 0.375rem;
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

/* Article Page */
.article-wrapper {
    padding: 6rem 0 4rem;
    max-width: 56rem;
    margin: 0 auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted-foreground);
    text-decoration: none;
    margin-bottom: 2rem;
    transition: color 0.3s;
}

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

.article-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.article-meta svg {
    width: 1rem;
    height: 1rem;
}

.article-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.article-tag {
    padding: 0.5rem 0.75rem;
    background: var(--secondary);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* Article Content */
.article-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--muted-foreground);
}

.article-content h2 {
    font-size: 1.875rem;
    color: var(--primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.article-content h3 {
    font-size: 1.5rem;
    color: var(--foreground);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content strong {
    color: var(--foreground);
    font-weight: 600;
}

.article-content a {
    color: var(--primary);
    text-decoration: none;
}

.article-content a:hover {
    text-decoration: underline;
}

/* CTA Section */
.cta-section {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    text-align: center;
}

.cta-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.cta-text {
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--cyan-glow) 100%);
    color: var(--primary-foreground);
    font-weight: 600;
    border-radius: 0.75rem;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    box-shadow: 0 0 40px -10px rgba(0, 217, 255, 0.5);
    transform: translateY(-2px);
}

/* Footer */
.blog-footer {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.footer-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.footer-link:hover {
    opacity: 0.8;
}

.footer-copyright {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-section {
        padding: 6rem 0 3rem;
    }
    
    .article-wrapper {
        padding: 5rem 0 3rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
}