* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --white: #ffffff;
    --off-white: #f9fafc;
    --light-gray: #f0f2f5;
    --medium-gray: #d0d5dd;
    --text-dark: #1e293b;
    --text-soft: #64748b;
    --accent-blue: #0f3b5e;
    --accent-gold: #c99a3b;
    --accent-softblue: #e6f0fa;
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.03), 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 12px 30px rgba(0,0,0,0.05), 0 4px 8px rgba(0,0,0,0.02);
    --border-light: 1px solid #e9edf2;
}

body {
    background-color: var(--white);
    color: var(--text-dark);
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    font-size: 1.0625rem;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: #0c2033;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.site-header {
    background: var(--white);
    border-bottom: var(--border-light);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
}

.logo-area {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent-blue);
    text-decoration: none;
}

.logo-main span {
    color: var(--accent-gold);
}

.logo-tagline {
    font-size: 0.75rem;
    color: var(--text-soft);
    letter-spacing: 0.04em;
    text-transform: lowercase;
}

.nav-links {
    display: flex;
    gap: 1.8rem;
}

.nav-links a {
    color: var(--text-soft);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent-blue);
}

.breadcrumbs {
    padding: 1.5rem 0 1rem;
    font-size: 0.85rem;
    color: var(--text-soft);
}

.breadcrumbs a {
    color: var(--accent-blue);
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.article-card {
    background: var(--white);
    border-radius: 18px;
    padding: 3rem 2.5rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
    border: var(--border-light);
}

.article-card h1 {
    font-size: 2rem;
    margin-bottom: 1.2rem;
    color: var(--accent-blue);
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-soft);
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: var(--border-light);
}

.fig-image {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, var(--accent-softblue) 0%, #d1e3f6 100%);
    border-radius: 12px;
    margin-bottom: 0.8rem;
}

.fig-caption {
    font-size: 0.85rem;
    color: var(--text-soft);
    text-align: center;
    margin-bottom: 2rem;
}

.article-card p {
    margin-bottom: 1.5rem;
    color: var(--text-soft);
    font-size: 1.05rem;
    line-height: 1.8;
}

.article-card h2 {
    font-size: 1.5rem;
    margin: 2.5rem 0 1rem;
    color: var(--accent-blue);
    padding-top: 1rem;
    border-top: var(--border-light);
}

.article-card h3 {
    font-size: 1.2rem;
    margin: 2rem 0 0.8rem;
    color: var(--text-dark);
}

.destaque {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-left: 4px solid var(--accent-gold);
    padding: 1.5rem;
    border-radius: 0 12px 12px 0;
    margin: 2rem 0;
}

.destaque p {
    margin: 0;
    color: #92400e;
}

hr {
    border: none;
    border-top: var(--border-light);
    margin: 2.5rem 0;
}

.newsletter-box {
    background: linear-gradient(135deg, var(--accent-softblue) 0%, #d6e8fa 100%);
    border-radius: 16px;
    padding: 2.5rem;
    margin-top: 3rem;
    text-align: center;
}

.newsletter-box h3 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.form-row {
    display: flex;
    gap: 0.8rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.form-row input {
    padding: 0.9rem 1.2rem;
    border: var(--border-light);
    border-radius: 10px;
    font-size: 1rem;
    flex: 1;
    min-width: 180px;
    max-width: 250px;
}

.form-row input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.btn {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 0.9rem 1.8rem;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn:hover {
    background: #0a2d4a;
    transform: translateY(-1px);
}

.site-footer {
    background: #102331;
    color: #d1ddee;
    padding: 4rem 1.5rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto 3rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.footer-logo span {
    color: var(--accent-gold);
}

.footer-col p {
    font-size: 0.95rem;
    line-height: 1.7;
    opacity: 0.85;
}

.company-data {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    line-height: 1.8;
    opacity: 0.75;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    color: #d1ddee;
    text-decoration: none;
    font-size: 0.95rem;
    opacity: 0.85;
    transition: opacity 0.2s;
}

.footer-links a:hover {
    opacity: 1;
}

.selo {
    margin-top: 1.5rem;
    background: rgba(255,255,255,0.1);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    display: inline-block;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
    opacity: 0.7;
    max-width: 1100px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .article-card {
        padding: 1.5rem;
    }
    
    .article-card h1 {
        font-size: 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-row input {
        max-width: none;
    }
}