/* Reset e Variáveis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

:root {
    --text-dark: #1e293b;
    --text-muted: #475569;
    --glass-bg: rgba(255, 255, 255, 0.45);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    
    /* ESTA É A PARTE IMPORTANTE: */
    /* Criamos uma camada escura suave por cima da tua imagem para ficar elegante */
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                url('fundo.jpg') center/cover no-repeat fixed;
    
    /* Se quiseres que o fundo fique um pouco desfocado (blur), podes manter isto: */
    /* backdrop-filter: blur(5px); */ 
}

/* Efeito de Vidro Jateado (Glassmorphism) */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--glass-shadow);
    padding: 3rem 4rem;
    max-width: 750px;
    width: 100%;
    text-align: center;
    position: relative;
    margin-top: 30px; /* Espaço para o ícone flutuante */
    animation: fadeIn 1s ease-out;
}

/* Ícone Flutuante */
.icon-box {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid #ffffff;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Textos */
h1 {
    color: var(--text-dark);
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

p {
    color: var(--text-muted);
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 550px;
    margin-inline: auto;
}

/* Barra de Progresso Elegante */
.progress-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.progress-label, .progress-percent {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
    min-width: 80px;
}

.progress-label { text-align: right; }
.progress-percent { text-align: left; }

.progress-track {
    flex-grow: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

.progress-fill {
    height: 100%;
    width: 0%; /* Inicia em 0 para animar */
    background: linear-gradient(90deg, #334155, #0f172a);
    border-radius: 10px;
    transition: width 1.5s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
}

/* Formulário e Botão */
.form-group {
    display: flex;
    gap: 1rem;
    max-width: 550px;
    margin: 0 auto;
}

.input-wrapper {
    position: relative;
    flex-grow: 1;
}

.input-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 14px;
    font-size: 1rem;
    color: var(--text-dark);
    outline: none;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

input::placeholder {
    color: #64748b;
}

input:focus {
    background: rgba(255, 255, 255, 0.9);
    border-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(255,255,255,0.3);
}

button {
    background: linear-gradient(135deg, #1e293b, #020617);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0 2rem;
    border-radius: 14px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    background: linear-gradient(135deg, #334155, #0f172a);
}

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

/* Responsividade */
@media (max-width: 768px) {
    .glass-card { padding: 3rem 2rem; }
    h1 { font-size: 2rem; }
    .form-group { flex-direction: column; }
    button { padding: 1rem; width: 100%; }
    .progress-wrapper { flex-direction: column; gap: 0.5rem; }
    .progress-label, .progress-percent { text-align: center; }
    .progress-track { width: 100%; }
}