/* 
 * UAISINT - Presentation Styles
 * CSS Refatorado e otimizado para a apresentação
 */

/* Variáveis Globais */
:root {
    /* Cores */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --dark-bg: #0a0e27;
    --darker-bg: #060818;
    --card-bg: rgba(17, 24, 39, 0.8);
    --accent-cyan: #00d2ff;
    --accent-purple: #667eea;
    --accent-pink: #f5576c;
    --accent-green: #10b981;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Tipografia */
    --font-primary: 'Inter', sans-serif;
    --font-code: 'JetBrains Mono', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 4rem;
    
    /* Sombras */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.3);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    
    /* Bordas */
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    --border-radius-full: 50%;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Animações */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

html, body {
    overscroll-behavior: none;
}

body {
    font-family: var(--font-primary);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    overflow: hidden;
    -ms-overflow-style: none;
    scrollbar-width: none;
    min-height: 100vh;
    position: relative;
}

body::-webkit-scrollbar {
    display: none;
}

/* Utilitários */
.hidden {
    display: none !important;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

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

.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.fixed {
    position: fixed;
}

.z-10 {
    z-index: 10;
}

.z-20 {
    z-index: 20;
}

.z-30 {
    z-index: 30;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-4 { margin-top: var(--spacing-md); }
.mt-6 { margin-top: var(--spacing-lg); }
.mt-8 { margin-top: var(--spacing-xl); }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-4 { margin-bottom: var(--spacing-md); }
.mb-6 { margin-bottom: var(--spacing-lg); }
.mb-8 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-4 { padding: var(--spacing-md); }
.p-6 { padding: var(--spacing-lg); }
.p-8 { padding: var(--spacing-xl); }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-4 { gap: var(--spacing-md); }
.gap-6 { gap: var(--spacing-lg); }
.gap-8 { gap: var(--spacing-xl); }

/* Efeitos de Background */
.matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.matrix-column {
    position: absolute;
    top: -100%;
    color: #0f9d58;
    font-family: var(--font-code);
    font-size: 12px;
    line-height: 12px;
    text-shadow: 0 0 5px #0f9d58;
    animation: matrixFall linear infinite;
    opacity: 0.25;
}

@keyframes matrixFall {
    0% {
        opacity: 0;
        transform: translateY(0);
    }
    10% {
        opacity: 0.25;
    }
    90% {
        opacity: 0.25;
    }
    100% {
        opacity: 0;
        transform: translateY(200vh);
    }
}

.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: var(--dark-bg);
    overflow: hidden;
}

.animated-bg::before {
    content: '';
    position: absolute;
    width: 400%;
    height: 400%;
    top: -150%;
    left: -150%;
    background: radial-gradient(
        circle at center, 
        transparent 0%, 
        var(--accent-purple) 8%, 
        transparent 15%, 
        var(--accent-cyan) 25%, 
        transparent 35%, 
        var(--accent-pink) 45%, 
        transparent 55%
    );
    animation: rotate 60s linear infinite;
    opacity: 0.15;
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

/* Sistema de Slides */
.slide-container {
    height: 100vh;
    width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    padding-bottom: 80px; /* Espaço para o footer-nav */
}

.slide {
    position: absolute;
    width: 85%;
    max-width: 1100px;
    height: 85vh;
    display: none;
    animation: none;
}

.slide.active {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    animation: slideIn 0.6s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.slide-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    padding-bottom: var(--spacing-2xl);
    width: 100%;
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
    overflow-x: hidden;
    height: auto;
    min-height: 65vh;
    max-height: 85vh;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    /* Esconder barra de scroll */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* Internet Explorer 10+ */
}

.slide-content::-webkit-scrollbar {
    display: none; /* WebKit browsers */
}

/* Tipografia de Slides */
.slide-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    line-height: 1.2;
}

.slide-subtitle {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.slide-text {
    font-size: clamp(1rem, 2vw, 1.3rem);
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* Componentes de Interface */
.control-panel {
    position: fixed;
    top: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 200;
    align-items: flex-end;
}

.language-selector {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
}

.lang-dropdown-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 20px;
    transition: var(--transition-normal);
    font-weight: 600;
    font-size: 12px;
    min-width: 80px;
    gap: 8px;
}

.lang-dropdown-btn:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--accent-cyan);
}

.current-lang {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform 0.3s ease;
}

.language-selector.open .dropdown-arrow {
    transform: rotate(180deg);
}

.lang-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    margin-top: 5px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    z-index: 1000;
    overflow: hidden;
    min-width: 140px;
}

.language-selector.open .lang-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.lang-option {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 10px 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
    font-weight: 500;
    font-size: 12px;
    gap: 8px;
    text-align: left;
}

.lang-option:hover {
    background: rgba(102, 126, 234, 0.15);
    color: var(--text-primary);
}

.lang-option.active {
    background: rgba(0, 210, 255, 0.15);
    color: var(--accent-cyan);
    font-weight: 600;
    position: relative;
}

.lang-option.active::after {
    content: '✓';
    position: absolute;
    right: 12px;
    font-size: 12px;
    color: var(--accent-cyan);
}

.flag-emoji {
    font-size: 16px;
}

/* Botões de controle */
.fullscreen-btn,
.read-mode-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.fullscreen-btn:hover,
.read-mode-btn:hover {
    background: rgba(102, 126, 234, 0.2);
    color: var(--accent-cyan);
    transform: scale(1.1);
}

.read-mode-btn.active {
    background: rgba(0, 210, 255, 0.2);
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

/* Cards e Grids */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

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

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    width: 100%;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-full);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 24px;
    color: white;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: var(--font-size-md);
}

/* Etapas de Processo */
.process-steps {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.process-step {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    width: 180px;
    text-align: center;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -22px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-cyan);
    font-size: 24px;
    z-index: 2;
}

.step-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius-full);
    color: white;
    font-weight: bold;
    line-height: 40px;
    margin-bottom: var(--spacing-sm);
}

.step-title {
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.step-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Timeline */
.timeline-container {
    position: relative;
    margin: 40px 0;
    padding: 20px 0;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: var(--glass-border);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    width: 100%;
    display: flex;
}

.timeline-item:nth-child(odd) {
    justify-content: flex-start;
}

.timeline-item:nth-child(even) {
    justify-content: flex-end;
}

.timeline-content {
    width: 45%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    position: relative;
}

.timeline-content::after {
    content: '';
    position: absolute;
    top: 20px;
    width: 20px;
    height: 20px;
    background: var(--primary-gradient);
    border-radius: 50%;
    border: 4px solid var(--dark-bg);
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-content::after {
    right: -50px;
}

.timeline-item:nth-child(even) .timeline-content::after {
    left: -50px;
}

.timeline-date {
    color: var(--accent-cyan);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.timeline-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-md);
    line-height: 1.6;
}

/* Cards de Ética */
.ethics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: var(--spacing-xl);
}

.ethics-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.ethics-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--accent-purple), transparent, var(--accent-cyan), transparent);
    animation: spin 8s linear infinite;
    opacity: 0.05;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

.ethics-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius-full);
    background: var(--secondary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 36px;
    color: white;
}

.ethics-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.ethics-desc {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Grid de Ferramentas */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.tool-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.tool-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius-md);
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.tool-card:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: transparent;
}

.tool-card:hover::after {
    opacity: 0.1;
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-name {
    font-size: var(--font-size-md);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.tool-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Informações de Contato */
.contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: var(--spacing-sm) var(--spacing-md);
    transition: var(--transition-normal);
    width: 300px;
}

.contact-item:hover {
    transform: translateY(-3px);
    border-color: var(--accent-cyan);
}

.contact-icon {
    color: var(--accent-cyan);
    font-size: 1.2rem;
}

.contact-text {
    color: var(--text-primary);
}

/* Lista de Agenda */
.agenda-list {
    list-style-type: none;
    margin: 0 auto;
    max-width: 600px;
    text-align: left;
}

.agenda-list li {
    margin-bottom: var(--spacing-sm);
    padding-left: 30px;
    position: relative;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

.agenda-list li i {
    color: var(--accent-cyan);
    margin-right: var(--spacing-sm);
    font-size: 0.9em;
}

/* Container do Logo */
.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin: 0 0 var(--spacing-lg) 0;
}

.logo {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius-full);
    object-fit: cover;
}

/* Bloco de Código */
.code-block {
    background: rgba(10, 25, 47, 0.6);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-md);
    font-family: var(--font-code);
    font-size: 14px;
    color: #e6f1ff;
    white-space: pre;
    overflow-x: auto;
    line-height: 1.5;
    margin: var(--spacing-sm) 0;
    border-left: 3px solid var(--accent-cyan);
}

.code-block .comment {
    color: #637777;
}

.code-block .keyword {
    color: #ff79c6;
}

.code-block .function {
    color: #50fa7b;
}

.code-block .string {
    color: #f1fa8c;
}

/* Animações */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

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

.scale-in {
    animation: scaleIn 0.6s ease-out;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.slide-up {
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Botões */
.btn {
    display: inline-flex;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-xl);
    text-decoration: none;
    color: white;
    font-weight: 600;
    transition: var(--transition-normal);
    border: none;
    margin: var(--spacing-xs);
    cursor: pointer;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: var(--primary-gradient);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: var(--secondary-gradient);
    box-shadow: 0 5px 15px rgba(245, 87, 108, 0.4);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

/* Navegação de Rodapé com Ícones */
.footer-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.9);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
    padding: 10px 0;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.3);
}

.footer-nav-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1200px;
    padding: 0 var(--spacing-md);
}

.footer-nav-links {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    width: 100%;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.footer-nav-links::-webkit-scrollbar {
    display: none;
}

.footer-nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    background: var(--glass-bg);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    transition: var(--transition-normal);
    position: relative;
}

.footer-nav-link i {
    font-size: 16px;
}

.footer-nav-link:hover {
    color: var(--text-primary);
    transform: translateY(-3px);
    border-color: var(--accent-purple);
    background: rgba(102, 126, 234, 0.2);
}

.footer-nav-link.active {
    color: var(--accent-cyan);
    background: rgba(0, 210, 255, 0.15);
    border-color: var(--accent-cyan);
    transform: scale(1.1);
}

.footer-nav-link .tooltip {
    position: absolute;
    top: -45px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(15px);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    color: var(--text-primary);
    white-space: nowrap;
    visibility: hidden;
    opacity: 0;
    transition: var(--transition-normal);
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 1001;
    font-weight: 500;
    min-width: max-content;
    max-width: 200px;
    text-align: center;
}

.footer-nav-link .tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(10, 14, 39, 0.95);
}

.footer-nav-link:hover .tooltip {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(-2px);
}

.nav-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.nav-control:hover {
    background: rgba(102, 126, 234, 0.2);
    color: var(--accent-cyan);
    transform: translateY(-50%) scale(1.1);
}

.nav-control.prev {
    left: 10px;
}

.nav-control.next {
    right: 10px;
}

.nav-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: translateY(-50%) scale(1);
}

/* Copyright */
.copyright {
    position: fixed;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
    line-height: 1.2;
    z-index: 999;
    pointer-events: none;
    opacity: 0.7;
}

/* Mineiro Badge Component */
.mineiro-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    border: 1px dashed var(--accent-cyan);
    border-radius: 30px;
    padding: 10px 25px;
    margin: 20px auto;
    transform: rotate(-1deg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    max-width: 90%;
    transition: all 0.3s ease;
    cursor: default;
}

.mineiro-badge::before {
    content: '🧀';
    font-size: 1.5rem;
    margin-right: 10px;
}

.mineiro-badge::after {
    content: '☕';
    font-size: 1.5rem;
    margin-left: 10px;
}

.mineiro-text {
    font-family: var(--font-primary);
    font-style: italic;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--accent-cyan);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.02em;
}

.mineiro-badge:hover {
    transform: rotate(1deg) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-purple);
}

.mineiro-badge.floating {
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(-1deg);
    }
    50% {
        transform: translateY(-10px) rotate(1deg);
    }
    100% {
        transform: translateY(0) rotate(-1deg);
    }
}

.mineiro-badge.about {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(102, 126, 234, 0.2) 100%);
    border-color: var(--accent-green);
}

.mineiro-badge.journey {
    background: linear-gradient(135deg, rgba(245, 87, 108, 0.2) 0%, rgba(240, 147, 251, 0.2) 100%);
    border-color: var(--accent-pink);
}

.mineiro-badge.ethics {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(0, 210, 255, 0.2) 100%);
    border-color: var(--accent-purple);
}

.mineiro-badge.compliance {
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2) 0%, rgba(245, 87, 108, 0.2) 100%);
    border-color: var(--accent-cyan);
}

/* Cursor blink animation */
@keyframes cursorBlink {
    0%, 50% {
        border-right-color: var(--accent-cyan);
    }
    51%, 100% {
        border-right-color: transparent;
    }
}

/* Read Mode */
body.read-mode-active {
    background-color: #0a1128 !important;
    transition: all 0.5s ease;
}

body.read-mode-active .matrix-rain,
body.read-mode-active .matrix-column {
    display: none !important;
    opacity: 0 !important;
}

body.read-mode-active .animated-bg::before {
    opacity: 0.02 !important;
    transition: opacity 0.5s ease;
    filter: saturate(0.3) brightness(0.4);
}

body.read-mode-active .slide-content {
    background: rgba(17, 21, 54, 0.7) !important;
    border-color: rgba(102, 126, 234, 0.2) !important;
}

body.read-mode-active .glass-card,
body.read-mode-active .feature-card,
body.read-mode-active .ethics-card,
body.read-mode-active .tool-card {
    background: rgba(17, 21, 54, 0.6) !important;
    border-color: rgba(102, 126, 234, 0.15) !important;
}

/* Media queries */
@media (max-width: 768px) {
    .process-steps {
        flex-direction: column;
        align-items: center;
    }

    .process-step {
        width: 100%;
        max-width: 300px;
    }

    .process-step:not(:last-child)::after {
        content: '↓';
        right: 50%;
        top: auto;
        bottom: -30px;
        transform: translateX(50%);
    }
    
    .timeline-item {
        flex-direction: column !important;
        align-items: center;
    }
    
    .timeline-content {
        width: 90%;
    }
    
    .timeline-item:nth-child(odd) .timeline-content::after,
    .timeline-item:nth-child(even) .timeline-content::after {
        left: 50%;
        top: -10px;
        transform: translateX(-50%);
    }
    
    .timeline-container::before {
        left: 10px;
    }
    
    .slide-content {
        max-height: 70vh;
    }
    
    .control-panel {
        top: 20px;
        right: 20px;
        gap: 8px;
    }
    
    .fullscreen-btn,
    .read-mode-btn {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .lang-dropdown-btn {
        padding: 6px 10px;
        font-size: 11px;
        min-width: 70px;
    }
    
    .lang-option {
        padding: 8px 10px;
        font-size: 11px;
    }
    
    .flag-emoji {
        font-size: 14px;
    }
    
    .dropdown-arrow {
        font-size: 9px;
    }
    
    .nav-control {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .footer-nav-link {
        width: 36px;
        height: 36px;
    }
    
    .footer-nav-link i {
        font-size: 14px;
    }
    
    .mineiro-badge {
        padding: 8px 16px;
    }
    
    .mineiro-badge::before,
    .mineiro-badge::after {
        font-size: 1.2rem;
    }
    
    .mineiro-text {
        font-size: 0.95rem;
    }
}