:root {
    --color-background: #111827; /* Cinza-azulado muito escuro */
    --color-surface: #1f2937;   /* Superfície para os cards */
    --color-primary: #38bdf8;   /* Azul claro vibrante */
    --color-text: #d1d5db;       /* Texto principal (cinza claro) */
    --color-heading: #ffffff;    /* Títulos (branco) */
    --font-family: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.7;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.main-header {
    background-color: var(--color-surface);
    padding: 1rem 0;
    border-bottom: 1px solid #374151;
    margin-bottom: 3rem;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-heading);
    text-decoration: none;
}

.main-nav a {
    color: var(--color-text);
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.2s ease;
}

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

/* Cards de Post */
.post-card {
    background-color: var(--color-surface);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #374151;
}

.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #000;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.post-content {
    padding: 1.5rem;
}

.post-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.post-excerpt {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.post-meta {
    font-size: 0.875rem;
    color: #6b7280;
}

/* Layout dos Posts */
.featured-post .post-card.large .post-title {
    font-size: 2.5rem;
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 1px solid #374151;
    color: #6b7280;
}

/* Responsividade */
@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
        gap: 1rem;
    }
    .featured-post .post-card.large .post-title {
        font-size: 1.8rem;
    }
}