/* ===================================
   Reset e Configurações Globais
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores Institucionais */
    --color-primary: #1f1f1f;
    --color-secondary: #c00d0d;
    --color-white: #FFFFFF;
    --color-gray-light: #F5F5F5;
    --color-gray-medium: #CCCCCC;
    --color-gray-dark: #333333;
    
    /* Tipografia */
    --font-primary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.18);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}



html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Header e Navegação
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo-header {
    height: 60px;
}

.logo-img {
    height: 100%;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--color-gray-dark);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

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

.btn-download-nav {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
}

.btn-download-nav:hover {
    background-color: #d43434;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: all var(--transition-fast);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding: calc(80px + var(--spacing-xxl)) 0 var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #333333 0%, #a1a1a1 100%);
    /*background: linear-gradient(135deg, #1f1f1f 0%, #1e1e1e 100%);*/
    color: var(--color-white);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-black);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.hero-description {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.hero-text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    opacity: 0.85;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #C41820;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   Sections
   =================================== */
.section {
    padding: var(--spacing-xxl) 0;
}

.section-light {
    background-color: var(--color-gray-light);
}

.section-dark {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-black);
    text-align: center;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
}
h3.section-title {
    font-size: 1.8rem;
}

.section-dark .section-title {
    color: var(--color-white);
}

.section-intro {
    font-size: 1.125rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl) auto;
    line-height: 1.8;
}

.section-dark .section-intro {
    color: rgba(255, 255, 255, 0.9);
}

/* ===================================
   Content Grid
   =================================== */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.content-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.content-image {
    text-align: center;
}

.featured-logo {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(var(--shadow-lg));
}

/* ===================================
   Logo Versions
   =================================== */
.logo-versions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.logo-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.logo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.logo-display {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
}
.logo-display-150 {
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
}

.logo-display img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
}

.bg-white {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-medium);
}

.bg-dark {
    background-color: var(--color-primary);
}

.bg-light {
    background-color: var(--color-gray-light);
}

.bg-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.logo-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

.logo-card p {
    color: var(--color-gray-dark);
    opacity: 0.8;
}

/* ===================================
   Usage Rules
   =================================== */
.usage-rules {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.usage-rules h3 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.rule-item {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background-color: var(--color-gray-light);
}

.rule-icon {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.rule-icon.correct {
    color: #22C55E;
}

.rule-icon.incorrect {
    color: var(--color-secondary);
}

/* ===================================
   Spacing Guide
   =================================== */
.spacing-guide {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.spacing-guide h3 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.spacing-diagram {
    position: relative;
    max-width: 600px;
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-xl);
    border: 2px dashed var(--color-gray-medium);
    border-radius: var(--radius-md);
}

.spacing-img {
    max-width: 100%;
    height: auto;
}

/* ===================================
   Color Palette
   =================================== */
.color-palette {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.color-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.color-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.color-sample {
    height: 150px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.color-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.color-codes {
    margin-bottom: var(--spacing-sm);
}

.color-codes p {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.color-usage {
    font-style: italic;
    color: var(--color-gray-dark);
    opacity: 0.8;
}

/* ===================================
   Color Usage Guide
   =================================== */
.color-usage-guide {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.color-usage-guide h3 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.usage-examples {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.usage-example {
    padding: var(--spacing-md);
    background-color: var(--color-gray-light);
    border-radius: var(--radius-md);
}

.usage-example h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   Typography
   =================================== */
.typography-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.typography-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.typography-card h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.font-display {
    background-color: var(--color-gray-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.font-sample-large {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.font-sample-medium {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.font-sample-small {
    font-size: 1rem;
    line-height: 1.8;
}

.typography-rules {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.typography-rules h3 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.rules-list {
    list-style-position: inside;
    line-height: 2;
}

.rules-list li {
    padding-left: var(--spacing-sm);
}

/* ===================================
   Applications
   =================================== */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.application-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.application-preview {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
}

.application-preview img {
    max-width: 70%;
    max-height: 70%;
    object-fit: contain;
}

.application-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

/* ===================================
   Dos and Don'ts
   =================================== */
.dos-donts {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.dos-donts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.dos-section,
.donts-section {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.dos-section {
    background-color: #ECFDF5;
    border-left: 4px solid #22C55E;
}

.donts-section {
    background-color: #FEF2F2;
    border-left: 4px solid var(--color-secondary);
}

.correct-title {
    color: #22C55E;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.incorrect-title {
    color: var(--color-secondary);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.dos-section ul,
.donts-section ul {
    list-style-position: inside;
    line-height: 2;
}

/* ===================================
   Downloads
   =================================== */
.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.download-card {
    background-color: rgba(255, 255, 255, 100);
    border: 1px solid rgba(255, 255, 255, 100);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.download-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.download-card.featured {
    grid-column: 1 / -1;
    background-color: rgba(227, 28, 35, 0.2);
    border-color: var(--color-secondary);
}

.download-icon {
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.download-card h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.download-card p {
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.file-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
    text-align: left;
}

.file-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.file-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
}

.download-notice {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.download-notice h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.download-notice p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.download-notice a {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: #0a0a0a;
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo-img {
    max-width: 200px;
    height: auto;
}

.footer h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.footer p {
    margin-bottom: var(--spacing-xs);
    opacity: 0.8;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-white);
    text-decoration: none;
    opacity: 0.8;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.6;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 2rem;
    }
    
    .content-grid,
    .logo-versions,
    .color-palette,
    .typography-grid,
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .rules-grid,
    .usage-examples {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background-color: var(--color-white);
        width: 100%;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .rules-grid,
    .usage-examples,
    .dos-donts-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn {
        display: block;
        width: 100%;
    }
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ===================================
   Utilitários
   =================================== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* Tipografia */
@font-face {
    font-family: 'Open Sans Server'; 
    src: url('./fonts/static/OpenSans-Regular.ttf') format('truetype'); 
    font-weight: 400;
    font-style: normal; 
    font-display: swap; 
}
@font-face {
    font-family: 'Open Sans Server'; 
    src: url('./fonts/static/OpenSans-SemiBold.ttf') format('truetype'); 
    font-weight: 600;
    font-style: normal; 
    font-display: swap; 
}
@font-face {
    font-family: 'Open Sans Server'; 
    src: url('./fonts/static/OpenSans-ExtraBold.ttf') format('truetype'); 
    font-weight: 900;
    font-style: normal; 
    font-display: swap; 
}


.font-regular {
    font-family: 'Open Sans Server', Arial, sans-serif;
    font-weight: 400;
}
.font-semibold {
    font-family: 'Open Sans Server', Arial, sans-serif;
    font-weight: 600;
}
.font-black {
    font-family: 'Open Sans Server', Arial, sans-serif;
    font-weight: 900;

}