@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --cor-de-fundo: #0a0a0a;
    --cor-secundaria: #1a1a1a;
    --verde-primario: #00ff88;
    --verde-secundario: #00cc6a;
    --verde-accent: rgba(0, 255, 136, 0.1);
    --branco: #ffffff;
    --cinza-claro: #f8f9fa;
    --cinza-medio: #6c757d;
    --cinza-escuro: #343a40;
    --botao-ativo: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --botao-inativo: rgba(102, 126, 234, 0.15);
    --botao-hover: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    --texto-fundo: rgba(26, 26, 26, 0.8);
    --sombra-principal: 0 10px 30px rgba(0, 255, 136, 0.2);
    --sombra-secundaria: 0 4px 20px rgba(0, 0, 0, 0.3);
    --border-radius: 16px;
    --border-radius-small: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    background: var(--cor-de-fundo);
}

body {
    background: linear-gradient(135deg, var(--cor-de-fundo) 0%, var(--cor-secundaria) 100%);
    color: var(--branco);
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    min-height: 100vh;
    cursor: default;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 136, 0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}


.conteudo-principal {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1rem;
    min-height: 100vh;
}

.titulo-principal {
    text-align: center;
    width: min(90%, 600px);
    background: var(--texto-fundo);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--sombra-principal);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    border-radius: var(--border-radius);
    padding: 1.5rem 2rem;
    margin-bottom: 3rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.titulo-principal::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s;
}

.titulo-principal:hover::before {
    left: 100%;
}

.titulo-principal:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-principal), var(--sombra-secundaria);
}

.titulo-principal span {
    color: var(--verde-primario);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}


.conteudo {
    width: 100%;
    max-width: 900px;
}

.botoes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    overflow: hidden;
    box-shadow: var(--sombra-secundaria);
}

.botao {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    background: var(--botao-inativo);
    backdrop-filter: blur(10px);
    color: var(--branco);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.25rem 1rem;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.botao::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--verde-primario), var(--verde-secundario));
    transition: width 0.3s ease;
}

.botao:hover {
    background: var(--botao-hover);
    transform: translateY(-1px);
    color: var(--branco);
}

.botao:hover::before {
    width: 100%;
}

.botao.ativo {
    background: var(--botao-ativo);
    color: var(--branco);
    font-weight: 600;
    transform: translateY(-2px);
}

.botao.ativo::before {
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--verde-primario), var(--verde-secundario));
}

.abas-textos {
    background: var(--texto-fundo);
    backdrop-filter: blur(15px);
    padding: 2.5rem;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: none;
    box-shadow: var(--sombra-secundaria);
    min-height: 400px;
    position: relative;
}

.aba-conteudo {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}

.aba-conteudo.ativo {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: slideIn 0.4s ease;
}

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

.aba-conteudo-titulo-principal {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--branco);
    line-height: 1.3;
}

.aba-conteudo-titulo-secundario {
    text-align: center;
    color: var(--verde-primario);
    text-transform: uppercase;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 2rem;
}

.contador {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1rem;
}

.contador-digito {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-small);
    padding: 1.5rem 1rem;
    text-align: center;
    min-width: 100px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.contador-digito::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--verde-primario), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contador-digito:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.15);
    border-color: rgba(0, 255, 136, 0.3);
}

.contador-digito:hover::before {
    opacity: 1;
}

.contador-digito-numero {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    margin: 0;
    color: var(--verde-primario);
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
    line-height: 1;
}

.contador-digito-texto {
    color: var(--verde-secundario);
    font-size: 0.875rem;
    font-weight: 500;
    margin: 0.5rem 0 0 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}


/* Responsive Design */
@media screen and (max-width: 768px) {
    .conteudo-principal {
        padding: 1rem 0.5rem;
    }
    
    .titulo-principal {
        padding: 1rem 1.5rem;
        margin-bottom: 2rem;
    }
    
    .botoes {
        grid-template-columns: 1fr;
    }
    
    .abas-textos {
        padding: 1.5rem;
        margin: 0 0.5rem;
        border-radius: 0 0 var(--border-radius) var(--border-radius);
    }
    
    .contador {
        gap: 1rem;
    }
    
    .contador-digito {
        min-width: 80px;
        padding: 1rem 0.75rem;
    }
}

@media screen and (min-width: 769px) {
    .botoes {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media screen and (max-width: 480px) {
    .contador {
        gap: 0.75rem;
    }
    
    .contador-digito {
        min-width: 70px;
        padding: 0.75rem 0.5rem;
    }
    
    .contador-digito-numero {
        font-size: 2rem;
    }
    
    .contador-digito-texto {
        font-size: 0.75rem;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for better accessibility */
.botao:focus-visible {
    outline: 2px solid var(--verde-primario);
    outline-offset: 2px;
}