/* Reset e configurações básicas modernizadas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /*
     * Paleta de cores repaginada para Black Friday 2025 com foco em tons de azul
     * marinho e preto. O degradê principal escurece conforme desce na tela, 
     * criando profundidade sem sobrecarregar os olhos. O destaque utiliza
     * nuances de azul escuro para dar contraste sem remeter ao Natal.
     */
    /* Degradê vertical: do azul marinho no topo ao preto no rodapé */
    --primary-gradient: linear-gradient(to bottom, #0e1a2b 0%, #050a12 100%);
    /* Destaque em azul marinho e azul petróleo */
    --accent-gradient: linear-gradient(135deg, #1e3a8a 0%, #27496d 100%);
    /* Gradiente de sucesso em tons de azul claro – discreto e harmonioso */
    --success-gradient: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
    /* Gradiente de aviso em dourado/laranja para ofertas ou alertas */
    --warning-gradient: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
    /* Degradê escuro para cabeçalhos e rodapés, com nuances profundas de azul */
    --dark-gradient: linear-gradient(135deg, #0a1f44 0%, #00121a 100%);
    
    /* Cores sólidas */
    --primary-blue: #1e3a8a;
    --secondary-blue: #27496d;
    --dark-blue: #0a192f;
    --success-green: #00c6ff;
    --warning-orange: #f7971e;
    /* Texto principal claro para contraste em fundo escuro */
    --text-dark: #e5e7eb;
    /* Texto secundário em cinza azulado */
    --text-light: #94a3b8;
    /* Fundo claro (relativo) para seções em destaque */
    --bg-light: #0e1b2c;
    /* Fundo dos cartões e blocos */
    --bg-card: #111e33;
    /* Borda discreta em tom escuro */
    --border-light: #1f3552;
    /* Ajuste do brilho do efeito glow para o novo tom azul */
    --shadow-glow: 0 0 20px rgba(30, 58, 138, 0.4);
    
    /* Sombras modernas */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Bordas arredondadas */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Espaçamentos */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--primary-gradient);
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    min-height: 100vh;
    background: var(--bg-card);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: var(--accent-gradient);
    opacity: 0.05;
    z-index: 0;
}

/* Header modernizado */
.header {
    background: var(--dark-gradient);
    color: white;
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* Bolhas de luz em tons de azul marinho para o cabeçalho */
    background: 
        radial-gradient(circle at 20% 50%, rgba(30, 58, 138, 0.35) 0%, transparent 55%),
        radial-gradient(circle at 80% 20%, rgba(39, 73, 109, 0.35) 0%, transparent 55%),
        radial-gradient(circle at 40% 80%, rgba(23, 43, 77, 0.25) 0%, transparent 55%);
    animation: float 6s ease-in-out infinite;
}

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

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
    position: relative;
    z-index: 2;
    letter-spacing: -0.025em;
}

.logo i {
    font-size: 2rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.logo img {
    width: 200px;
}

.header-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
    font-weight: 400;
}

/* Progress Bar modernizada */
.progress-container {
    padding: var(--space-lg);
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-light);
    position: relative;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-light);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--space-sm);
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 3px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    width: 25%;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--space-xl) var(--space-lg);
    position: relative;
    z-index: 1;
}

.step {
    display: none;
    animation: slideInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.step.active {
    display: block;
}

@keyframes slideInUp {
    from { 
        opacity: 0; 
        transform: translateY(30px) scale(0.95); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

.step-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.step-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    letter-spacing: -0.025em;
}

.step-header h2 i {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.step-header p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.5;
}

.step-header.error h2 {
    color: #e53e3e;
}

.step-header.error h2 i {
    color: #e53e3e;
}

/* Phone Input modernizado */
.phone-input-container {
    display: flex;
    max-width: 100%;
    margin: 0 auto var(--space-xl);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--bg-card);
}

.phone-input-container:focus-within {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.country-code {
    background: var(--bg-light);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    border-right: 1px solid var(--border-light);
    color: var(--text-dark);
}

.flag {
    font-size: 1.25rem;
}

#phoneInput {
    flex: 1;
    padding: var(--space-lg);
    border: none;
    outline: none;
    font-size: 1rem;
    font-family: inherit;
    background: transparent;
    color: var(--text-dark);
}

#phoneInput::placeholder {
    color: var(--text-light);
}

/* Buttons modernizados */
.btn-primary, .btn-secondary {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.025em;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-primary:hover:not(:disabled)::before {
    left: 100%;
}

.btn-primary:active:not(:disabled) {
    transform: translateY(-1px);
}

.btn-primary:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-dark);
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Device Grid modernizado */
.device-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.device-btn {
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-lg);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    position: relative;
    overflow: hidden;
}

.device-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.device-btn:hover {
    border-color: var(--primary-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.device-btn:hover::before {
    opacity: 0.05;
}

.device-btn.selected {
    border-color: var(--primary-blue);
    /* Gradiente translúcido em tons de azul escuro para o item selecionado */
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.2), rgba(39, 73, 109, 0.1));
    color: var(--primary-blue);
    box-shadow: var(--shadow-glow);
}

.device-btn i {
    font-size: 2rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.device-btn span {
    font-weight: 600;
    font-size: 0.875rem;
    position: relative;
    z-index: 1;
    color: var(--text-dark);
}

/* Options Grid modernizado */
.options-grid, .brand-grid, .store-grid, .roku-grid {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.option-btn, .brand-btn, .store-btn, .roku-btn {
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.option-btn::before, .brand-btn::before, .store-btn::before, .roku-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.option-btn:hover, .brand-btn:hover, .store-btn:hover, .roku-btn:hover {
    border-color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.option-btn:hover::before, .brand-btn:hover::before, .store-btn:hover::before, .roku-btn:hover::before {
    opacity: 0.05;
}

.option-btn i, .store-btn i, .roku-btn i {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.brand-btn span, .option-btn span, .store-btn span, .roku-btn span {
    font-weight: 600;
    position: relative;
    z-index: 1;
    color: var(--text-dark);
}

/* Test Info modernizado */
.test-info {
    background: linear-gradient(135deg, var(--bg-light), var(--bg-card));
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
    text-align: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.test-options {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
    flex-wrap: wrap;
}

.test-badge {
    background: var(--success-gradient);
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease;
}

.test-badge:hover {
    transform: scale(1.05);
}

.note {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: var(--space-lg);
    line-height: 1.5;
}

/* Plans Container modernizado */
.plans-container {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.plan-card {
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.plan-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.plan-card:hover::before {
    opacity: 0.03;
}

.plan-card.selected {
    border-color: var(--primary-blue);
    /* Fundo com gradiente azulado suave para o cartão selecionado */
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.12), var(--bg-card));
    box-shadow: var(--shadow-glow);
}

/* Header do plano */
.plan-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
    gap: var(--space-md);
}

/* Nome do plano */
/* Nome e ícone do plano */
.plan-name {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin: 0;
    flex: 1;
}

/* Ícone ao lado do nome do plano */
.plan-name .plan-icon {
    width: 1.5em;
    height: 1.5em;
    flex-shrink: 0;
    object-fit: contain;
}

/* Texto do nome do plano com gradiente */
.plan-name span {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.2;
    text-transform: uppercase;
    background: var(--success-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Container do preço */
.plan-price {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    flex-shrink: 0;
}

/* Estilo do preço principal */
.plan-price {
    font-size: 1.25rem;
    font-weight: 800;
    background: var(--success-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

/* Estilo para o preço com desconto */
.plan-discount-price {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--warning-orange);
    text-align: right;
    line-height: 1.3;
    margin-top: 4px;
    white-space: nowrap;
}

/* Estilo para o preço do teste */
.plan-test-price {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    text-align: right;
    line-height: 1.2;
    margin-top: 2px;
    white-space: nowrap;
}

/* Descrição do plano */
.plan-description {
    color: var(--text-light);
    font-style: italic;
    position: relative;
    z-index: 1;
    line-height: 1.5;
    font-size: 0.875rem;
    margin-bottom: var(--space-lg);
    text-align: center;
    /* Fundo suave e arredondado atrás do texto de descrição: azul translúcido */
    background: rgba(30, 58, 138, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
}

/* Selo de porcentagem de desconto no canto superior direito */
.discount-badge {
    position: absolute;
    top: -0.5rem;
    right: -0.5rem;
    background: var(--warning-gradient);
    color: var(--dark-blue);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    pointer-events: none;
    white-space: nowrap;
}

/* Features do plano */
.plan-features {
    list-style: none;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin: 0;
    padding: 0;
}

/* Texto complementar no rodapé da descrição do plano */
.plan-description-footer {
    margin-top: var(--space-sm);
    color: var(--text-light);
    font-size: 0.75rem;
    line-height: 1.4;
    text-align: left;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-dark);
    line-height: 1.4;
    padding: var(--space-xs) 0;
}

.plan-features li::before {
    content: '✓';
    color: var(--success-green);
    font-weight: bold;
    font-size: 1rem;
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}

/* Estilo especial para planos em destaque */
.plan-card.featured {
    border-color: var(--primary-blue);
    /* Fundo translúcido em tom azul para destacar o cartão mais popular */
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.15), var(--bg-card));
    position: relative;
}

.plan-card.featured::after {
    content: 'MAIS POPULAR';
    position: absolute;
    top: -1px;
    right: -1px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    padding: var(--space-xs) var(--space-md);
    font-size: 0.7rem;
    font-weight: 700;
    border-bottom-left-radius: var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-md);
}

/* Responsividade para mobile */
@media (max-width: 480px) {
    .plan-card {
        padding: var(--space-lg);
    }
    
    .message-overlay {
        max-width: 90%;
        right: 5%;
        left: 5%;
        padding: 0.8rem 1rem;
    }
    
    .plan-header {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
        text-align: left;
    }
    
    .plan-name {
        font-size: 1.500rem;
        margin-bottom: var(--space-xs);
        width: 100%;
    }
    
    .plan-price {
        align-items: flex-start;
        text-align: left;
        width: 100%;
        font-size: 1.2rem;
    }
    
    .plan-features li {
        font-size: 1.2rem;
    }
    
    .plan-description {
        font-size: 0.8rem;
        margin-bottom: var(--space-md);
    }
}

/* Melhorias para telas médias */
@media (min-width: 481px) and (max-width: 768px) {
    .plan-header {
        display: flex;
        align-items: center;
    }

    .plan-name {
        font-size: 1.125rem;
    }

    .plan-price {
        font-size: 1.25rem;
    }

    .plan-discount-price {
        font-size: 0.8125rem;
    }

    .plan-test-price {
        font-size: 0.75rem;
    }
}


/* Duration Grid modernizado */
.duration-grid {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.duration-btn {
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.duration-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.duration-btn:hover {
    border-color: var(--primary-blue);
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.duration-btn:hover::before {
    opacity: 0.03;
}

.duration-btn.featured {
    /* Destaque do período em gradiente azul escuro */
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border: 2px solid var(--secondary-blue);
    color: #ffffff;
    font-weight: 600;
    border-radius: var(--radius-xl);
    /* Sombra em tom de azul para maior profundidade */
    box-shadow: 0 6px 18px rgba(30, 58, 138, 0.35);
    transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    position: relative;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.duration-btn.featured:hover {
    /* Pequeno escurecimento no hover para efeito de interação */
    background: linear-gradient(135deg, #162a62, #1c3869);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30, 58, 138, 0.45);
}

.duration-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    /* Selo em azul para harmonizar com a paleta */
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.75rem;
    font-weight: 700;
    border-bottom-left-radius: var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.duration-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
}

.duration-header i {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.duration-btn.featured .duration-header i {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

.duration-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.025em;
}

.duration-btn.featured .duration-title {
    color: white;
}

.duration-price {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--success-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
    position: relative;
    z-index: 1;
}

.duration-btn.featured .duration-price {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

.duration-desc {
    color: var(--text-light);
    font-size: 0.875rem;
    position: relative;
    z-index: 1;
    line-height: 1.5;
}

.duration-btn.featured .duration-desc {
    color: rgba(255, 255, 255, 0.9);
}

/* MELHORIAS ESPECÍFICAS PARA DURATION EM 480px E 768px */

/* Melhorias para tela de 480px */
@media (max-width: 480px) {
    .duration-btn {
        padding: var(--space-lg);
        margin-bottom: var(--space-md);
    }
    
    .duration-btn.featured {
        padding: var(--space-lg);
        position: relative;
    }
    
    /* Corrige o problema do badge ficar por baixo do título */
    .duration-badge {
        top: -1px;
        right: -1px;
        z-index: 15;
        padding: 0.4rem 0.8rem;
        font-size: 0.65rem;
        border-bottom-left-radius: 8px;
    }
    
    .duration-header {
        margin-bottom: var(--space-md);
    }
    
    .duration-title {
        font-size: 1rem;
    }
    
    .duration-price {
        font-size: 1.5rem;
        margin-bottom: var(--space-xs);
    }
    
    .duration-desc {
        font-size: 0.8rem;
    }
    
    .duration-btn.featured::after {
        content: 'OFERTA ESPECIAL';
        position: absolute;
        bottom: -25px;
        left: 50%;
        transform: translateX(-50%);
        /* Gradiente em azul profundo para harmonizar com o tema */
        background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
        color: white;
        padding: 0.5rem 1.2rem;
        font-size: 0.7rem;
        font-weight: 700;
        border-radius: 20px;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        /* Sombra em azul para o selo */
        box-shadow: 0 4px 12px rgba(30, 58, 138, 0.4);
        z-index: 20;
        white-space: nowrap;
    }
}

/* Melhorias para tela de 768px */
@media (min-width: 481px) and (max-width: 768px) {
    .duration-btn {
        padding: var(--space-xl);
        margin-bottom: var(--space-lg);
    }
    
    .duration-btn.featured {
        padding: var(--space-xl);
        position: relative;
    }
    
    /* Corrige o problema do badge ficar por baixo do título */
    .duration-badge {
        top: -1px;
        right: -1px;
        z-index: 15;
        padding: 0.5rem 1rem;
        font-size: 0.7rem;
        border-bottom-left-radius: 10px;
    }
    
    .duration-header {
        margin-bottom: var(--space-lg);
    }
    
    .duration-title {
        font-size: 1.125rem;
    }
    
    .duration-price {
        font-size: 1.75rem;
        margin-bottom: var(--space-sm);
    }
    
    .duration-desc {
        font-size: 0.875rem;
    }
    
    /* Nova disposição do "oferta especial" - centralizado acima do botão */
    .duration-btn.featured {
        margin-bottom: var(--space-xl);
    }
    
    .duration-btn.featured::after {
        content: 'OFERTA ESPECIAL';
        position: absolute;
        bottom: -30px;
        left: 50%;
        transform: translateX(-50%);
        /* Gradiente em azul profundo para harmonizar com o tema */
        background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
        color: white;
        padding: 0.6rem 1.5rem;
        font-size: 0.75rem;
        font-weight: 700;
        border-radius: 25px;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        /* Sombra em azul para o selo */
        box-shadow: 0 6px 16px rgba(30, 58, 138, 0.4);
        z-index: 20;
        white-space: nowrap;
    }
}

/* Payment Confirmation modernizado */
.payment-summary {
    background: linear-gradient(135deg, var(--bg-light), var(--bg-card));
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.summary-item:last-child {
    border-bottom: none;
    font-weight: 700;
    font-size: 1.125rem;
    background: var(--success-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-top: var(--space-lg);
}

.confirmation-buttons {
    display: grid;
    gap: var(--space-md);
}

/* Loading modernizado */
.loading-container {
    text-align: center;
    padding: var(--space-2xl) 0;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-light);
    border-top: 3px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-xl);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success Message modernizado */
.success-message {
    background: var(--success-gradient);
    color: white;
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.success-message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* Bolhas suaves para mensagem de sucesso em tons de azul claro */
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 198, 255, 0.3) 0%, transparent 55%),
        radial-gradient(circle at 80% 20%, rgba(0, 114, 255, 0.2) 0%, transparent 55%);
    animation: float 4s ease-in-out infinite;
}

.success-message h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.success-message p {
    margin-bottom: var(--space-lg);
    opacity: 0.95;
    position: relative;
    z-index: 1;
    line-height: 1.5;
}

/* Footer modernizado */
.footer {
    background: var(--dark-gradient);
    color: white;
    text-align: center;
    padding: var(--space-xl);
    margin-top: auto;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* Bolhas de luz sutis no rodapé em tons de azul profundo */
    background: 
        radial-gradient(circle at 30% 40%, rgba(30, 58, 138, 0.25) 0%, transparent 55%),
        radial-gradient(circle at 70% 60%, rgba(39, 73, 109, 0.18) 0%, transparent 55%);
}

.footer p {
    position: relative;
    z-index: 1;
    opacity: 0.9;
}

/* Responsive Design Mobile-First */
@media (min-width: 480px) {
    .container {
        max-width: 480px;
        border-radius: var(--radius-xl);
        margin: var(--space-lg) auto;
        min-height: calc(100vh - 3rem);
    }
    
    .device-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 600px;
    }
    
    .main-content {
        padding: var(--space-2xl);
    }
    
    .header {
        padding: var(--space-2xl);
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .logo i {
        font-size: 2.5rem;
    }
    
    .device-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .device-btn {
        padding: var(--space-xl);
    }
    
    .device-btn i {
        font-size: 2.5rem;
    }
    
    .step-header h2 {
        font-size: 1.75rem;
    }
    
    .confirmation-buttons {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 800px;
    }
    
    .device-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Micro-interações e efeitos especiais */
@media (prefers-reduced-motion: no-preference) {
    .btn-primary, .btn-secondary, .device-btn, .option-btn, .brand-btn, .store-btn, .roku-btn, .plan-card, .duration-btn {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .step {
        animation: slideInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }
}

/* Modo escuro (opcional) */
@media (prefers-color-scheme: dark) {
    :root {
        --text-dark: #f7fafc;
        --text-light: #a0aec0;
        --bg-light: #2d3748;
        --bg-card: #1a202c;
        --border-light: #4a5568;
    }
    
    body {
        background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    }
}

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

/* Focus states para acessibilidade */
.btn-primary:focus-visible, .btn-secondary:focus-visible, .device-btn:focus-visible, 
.option-btn:focus-visible, .brand-btn:focus-visible, .store-btn:focus-visible, 
.roku-btn:focus-visible, .plan-card:focus-visible, .duration-btn:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

#phoneInput:focus-visible {
    outline: none;
}

/* Melhorias para touch devices */
@media (hover: none) and (pointer: coarse) {
    .btn-primary, .btn-secondary, .device-btn, .option-btn, .brand-btn, 
    .store-btn, .roku-btn, .plan-card, .duration-btn {
        min-height: 44px;
    }
    
    .device-btn {
        padding: var(--space-lg);
    }
}

/* Notificação aprimorada */
.message-overlay {
    position: fixed;
    top: 1rem;
    right: 1rem;
    max-width: 360px;
    padding: 1rem 1.5rem;
    /* Notificação usa o gradiente principal de destaque */
    background: var(--accent-gradient);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    z-index: 9999;
    transform: translateY(-150%);
    transition: transform 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55), opacity 0.4s ease;
    opacity: 0;
    pointer-events: none;
}

.message-overlay.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.message-content {
    display: flex;
    align-items: center;
    flex-grow: 1;
}

.message-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.7);
    animation: progress-bar 5s linear forwards;
    width: 100%;
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
    overflow: hidden;
}

@keyframes progress-bar {
    from { transform: scaleX(1); }
    to { transform: scaleX(0); }
}

/* Animação de piscada para plans-container */
@keyframes border-blink {
    0%, 100% { border-color: var(--primary-blue); }
    50% { border-color: transparent; }
}

.plans-container.blink {
    animation: border-blink 0.5s linear 2;
}

.confirm-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 1rem;
    backdrop-filter: blur(2px);
}

.confirm-modal.hidden {
    display: none;
}

.confirm-box {
    background: #fff;
    border-radius: 16px;
    max-width: 480px;
    width: 100%;
    padding: 24px;
    text-align: center;
    font-family: 'Inter', sans-serif;
    box-shadow: 0 0 10px rgba(0,0,0,0.25);
}

.confirm-box p {
    font-size: 1rem;
    margin: 10px 0;
    color: #333;
    line-height: 1.4;
}

.confirm-box h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #111;
}

.phone-highlight {
    font-size: 1.3rem !important;
    font-weight: 700 !important;
    color: #000 !important;
    margin-top: 20px !important;
    margin-bottom: 20px !important;
}

.confirm-box .warning {
    font-size: 0.95rem;
    font-weight: 600;
    color: #e01e1e;
}

.modal-buttons {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.modal-buttons .btn-primary,
.modal-buttons .btn-secondary {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    border: none;
}

.modal-buttons .btn-primary {
    background-color: #2c3e50;
    color: #fff;
}

.modal-buttons .btn-secondary {
    background-color: #ccc;
    color: #000;
}

  .pc-promo{
    width:100%;
    /*background:#0c0f27; */
    color:#fff;
    border-radius:12px;
    padding:12px 14px;
    text-align:center;
    box-shadow:0 6px 16px rgba(0,0,0,.18);
  }
  .pc-row{
    display:block;
    font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
    font-weight:800;
    line-height:1.22;
    letter-spacing:.3px;
    font-size:clamp(14px,3.4vw,18px);   /* JS garante ficar em até 2 linhas */
  }

  .pc-month{ opacity:.9; margin-right:.35em; }

  /* BADGE: BLACK FRIDAY — máximo contraste (texto preto em fundo amarelo) */
  .badge-friday{
    display:inline-block;
    padding:2px 8px;
    margin:0 .25em;
    background:#ffd400;
    color:#111;
    border:2px solid #111;
    border-radius:999px;
    box-shadow:0 0 0 3px rgba(255,212,0,.35), 0 8px 20px rgba(255,212,0,.25);
    text-transform:uppercase;
  }

  /* BADGE: 70% OFF — branco em verde forte + borda preta */
  .badge-off{
    display:inline-block;
    padding:2px 10px;
    margin:0 .25em;
    background:#00c853;
    color:#fff;
    border:2px solid #0a0a0a;
    border-radius:999px;
    box-shadow:0 0 0 3px rgba(0,200,83,.35), 0 8px 20px rgba(0,200,83,.25);
    text-transform:uppercase;
  }

  /* micro “bump” só nas badges (sem mover texto lateralmente) */
  @media (prefers-reduced-motion:no-preference){
    .badge-friday, .badge-off{ animation:badgeBump 2.3s ease-in-out infinite; }
  }
  @keyframes badgeBump{
    0%,100%{ transform:scale(1) }
    50%{ transform:scale(1.07) }
  }

  .pc-muted{ font-weight:700; opacity:.95; }

  /* Ajuste para caber em ATÉ 2 linhas no celular */
  .pc-wrap{ display:inline; }

/* =======================
   Adicionais - Estilo Moderno
   ======================= */

.additionals-section {
    margin-top: var(--space-lg);
    position: relative; /* Necessário para o posicionamento do feedback */
}

.additionals-container {
    display: grid;
    /* Cria colunas de tamanho igual, mas no mínimo 250px */
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.additional-card {
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    cursor: pointer;
    text-align: center;
    position: relative; /* Para o posicionamento do checkbox */
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
    overflow: hidden; /* Garante que elementos filhos não ultrapassem a borda arredondada */
}

.additional-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

/* Checkbox customizado no canto */
.additional-card::before {
    content: '\f00c'; /* Ícone de check do Font Awesome */
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 12px;
    right: 12px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--border-light);
    background-color: #f8f9fa;
    color: white; /* O check fica invisível por padrão */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.additional-card.selected {
    border-color: var(--primary-accent);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.15);
}

/* Estilo do checkbox quando selecionado */
.additional-card.selected::before {
    background-color: var(--primary-accent);
    border-color: var(--primary-accent);
    color: white; /* Mostra o ícone de check */
}

.additional-card h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.additional-card h4 i {
    color: var(--primary-accent);
}

.additional-card .price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
}

.additional-card p.description {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: var(--space-md);
    min-height: 40px; /* Garante alinhamento vertical se as descrições tiverem tamanhos diferentes */
}

.additional-card .features {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.additional-card .features li {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 6px;
}

.additional-card .features li i {
    color: var(--success-green);
    margin-right: var(--space-sm);
    width: 16px; /* Alinhamento dos ícones */
}

/* Feedback de seleção */
.addon-feedback {
    position: fixed; /* Fica fixo na tela */
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(20px); /* Começa fora da tela */
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 0.9rem;
    z-index: 1000;
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
    pointer-events: none; /* Não interfere com cliques */
    text-align: center; /* Garante que as duas linhas fiquem centralizadas */
    line-height: 1.4;   /* Melhora o espaçamento entre as linhas */
}

.addon-feedback.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}