/* =========================================
   1. VARIÁVEIS DE TEMA (Global State)
========================================= */
:root {
    --bg-gradient: linear-gradient(135deg, #19245b 0%, #202c64 25%, #223176 50%, #2a3880 75%, #3e6db4 100%);
    --bg-color-fallback: #19245b;
    --text-color: #ffbd59; 
    --primary-color: #ffbd59; 
    --button-bg: #2380a8; 
    --button-text: #ffffff;
    --font-base: 'Segoe UI', system-ui, sans-serif;
}

body.high-contrast {
    --bg-gradient: linear-gradient(135deg, #000000 0%, #111111 100%); 
    --bg-color-fallback: #000000;
    --text-color: #ffffff;
    --primary-color: #ffff00;
    --button-bg: #ffffff;
    --button-text: #000000;
}

body.low-stimulus {
    --bg-gradient: linear-gradient(135deg, #fdf6e3 0%, #f4ebd0 100%);
    --bg-color-fallback: #fdf6e3; 
    --text-color: #4b5320;
    --primary-color: #6c7a89;
    --button-bg: #80ced6;
    --button-text: #222222;
}

/* =========================================
   2. BASE E LAYOUT GERAL
========================================= */
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

html { 
    scroll-behavior: smooth; 
    overflow-x: hidden; 
}

body {
    margin: 0; 
    padding: 0; 
    background: var(--bg-color-fallback);
    background: var(--bg-gradient); 
    color: var(--text-color);
    font-family: var(--font-base);
    line-height: 1.6;
    min-height: 100vh; 
    overflow-x: hidden; 
    width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* =========================================
   3. CABEÇALHO (HEADER) E NAVEGAÇÃO
========================================= */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 1rem;
}

.logo img { 
    max-width: 150px; 
    height: auto; 
}

nav ul { 
    display: flex; 
    list-style: none; 
    gap: 2rem; 
}

nav a { 
    color: var(--text-color); 
    text-decoration: none; 
    font-weight: bold; 
    text-transform: uppercase; 
    transition: color 0.3s ease; 
}

nav a:hover { 
    color: #ffffff; 
}

.header-controls { 
    display: flex; 
    align-items: center; 
    gap: 1rem; 
}

/* =========================================
   4. BOTÕES GERAIS E CONTROLES
========================================= */
button { 
    background-color: var(--button-bg); 
    color: var(--button-text); 
    border: 2px solid transparent; 
    padding: 0.8rem 1.5rem; 
    margin: 0.5rem; 
    font-size: 1rem; 
    font-weight: bold; 
    cursor: pointer; 
    border-radius: 8px; 
    transition: transform 0.2s, background-color 0.3s; 
}

button:hover, 
button:focus { 
    transform: scale(1.05); 
    border-color: var(--primary-color); 
    outline: none; 
}

.primary-btn { 
    background-color: var(--primary-color); 
    color: #19245b; 
    padding: 1rem 2rem; 
    font-size: 1.2rem; 
    border-radius: 50px; 
    text-transform: uppercase; 
    box-shadow: 0 4px 15px rgba(210, 129, 55, 0.4); 
    border: none; 
}

.primary-btn:hover { 
    background-color: var(--text-color); 
    color: #000; 
    border-color: transparent; 
}

.a11y-toggle-btn { 
    background-color: var(--primary-color); 
    color: #19245b; 
    border-radius: 50%; 
    width: 50px; 
    height: 50px; 
    min-width: 50px; 
    font-size: 1.5rem; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    padding: 0; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.3); 
}

.a11y-toggle-btn:hover { 
    background-color: var(--text-color); 
    transform: scale(1.1); 
}

.clean-flag-btn {
    background: transparent;
    border: none;
    font-size: 2rem; 
    cursor: pointer;
    box-shadow: none;
    padding: 0;
    margin: 0;
    transition: transform 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.clean-flag-btn:hover {
    transform: scale(1.2);
    background: transparent;
    border-color: transparent;
}

/* =========================================
   5. MODAIS E FORMULÁRIOS
========================================= */
.modal-overlay { 
    display: flex; 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background-color: rgba(0, 0, 0, 0.85); 
    z-index: 2000; 
    justify-content: center; 
    align-items: center; 
    backdrop-filter: blur(8px); 
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}
.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}
.modal-content { 
    background: rgba(25, 36, 91, 0.95); 
    padding: 3rem; 
    border-radius: 16px; 
    border: 2px solid var(--primary-color); 
    max-width: 500px; 
    width: 90%; 
    text-align: center; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.5); 
}

.relative-box { 
    position: relative; 
}

.close-modal-btn { 
    position: absolute; 
    top: 10px; 
    right: 15px; 
    background: transparent; 
    color: var(--text-color); 
    border: none; 
    font-size: 1.5rem; 
    padding: 0; 
    margin: 0; 
}

.close-modal-btn:hover { 
    color: #fff; 
    background: transparent; 
    transform: scale(1.2); 
}

.modal-content h2 { 
    color: var(--text-color); 
    margin-bottom: 1rem; 
    font-size: 2rem; 
}

.modal-content p { 
    margin-bottom: 2rem; 
    font-size: 1.1rem; 
}

.modal-content input { 
    width: 100%; 
    padding: 1rem; 
    margin-bottom: 1rem; 
    border: 1px solid var(--primary-color); 
    border-radius: 6px; 
    background-color: rgba(0, 0, 0, 0.3); 
    color: var(--text-color); 
    font-size: 1rem; 
}

/* =========================================
   6. QUESTIONÁRIO E ESCALAS DE NOTAS
========================================= */
fieldset { 
    border: none; 
    margin-bottom: 3rem; 
    padding: 1.5rem; 
    background-color: rgba(32, 44, 100, 0.4); 
    border-radius: 12px; 
}

legend { 
    font-weight: bold; 
    margin-bottom: 2rem; 
    font-size: 1.2rem; 
    color: var(--text-color); 
    background-color: var(--bg-color-fallback); 
    border: 2px solid var(--primary-color); 
    padding: 0.5rem 1rem; 
    border-radius: 8px; 
}

.question-card { 
    display: none; 
    opacity: 0; 
    transition: opacity 0.5s ease; 
    text-align: center; 
}

.question-card.active { 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    justify-content: center; 
    min-height: 40vh; 
    opacity: 1; 
}

.question-card legend { 
    font-size: 2.5rem; 
    margin-bottom: 3rem; 
    max-width: 800px; 
    text-align: center; 
    line-height: 1.3; 
}

.scale-1-to-10 { 
    display: flex; 
    justify-content: center; 
    gap: 3rem; 
    width: 100%; 
    position: relative; 
    padding-top: 20px; 
    flex-wrap: wrap;
}

.scale-btn { 
    position: relative; 
    z-index: 1; 
    width: 40px; 
    height: 40px; 
    min-width: 40px; 
    padding: 0; 
    border-radius: 50%; 
    background-color: var(--bg-color-fallback); 
    border: 2px solid var(--primary-color); 
    color: transparent; 
    cursor: pointer; 
    transition: all 0.2s ease; 
}

.scale-btn::after { 
    content: attr(data-val); 
    position: absolute; 
    top: -28px; 
    left: 50%; 
    transform: translateX(-50%); 
    color: var(--text-color); 
    font-size: 1rem; 
    font-weight: bold; 
}

.scale-btn:hover { 
    transform: scale(1.2); 
    background-color: var(--button-bg); 
}

.scale-btn.selected { 
    background-color: var(--text-color); 
    border-color: var(--text-color); 
    box-shadow: 0 0 15px var(--text-color); 
    transform: scale(1.3); 
}

.scale-labels { 
    margin-top: 1.5rem; 
    display: flex; 
    justify-content: space-between; 
    width: 100%; 
    max-width: 500px; 
    font-weight: bold; 
    color: var(--text-color); 
    font-size: 1.1rem; 
}

/* =========================================
   7. HERO SECTION E CARDS DE INFORMAÇÃO
========================================= */
.hero-section { 
    text-align: center; 
    padding: 6rem 1rem 4rem 1rem; 
    max-width: 900px; 
    margin: 0 auto; 
    position: relative; 
}

.hero-badge { 
    display: inline-block; 
    background-color: rgba(255, 189, 89, 0.15); 
    color: var(--text-color); 
    padding: 0.5rem 1.2rem; 
    border-radius: 20px; 
    font-weight: bold; 
    margin-bottom: 1.5rem; 
    border: 1px solid rgba(255, 189, 89, 0.3); 
}

.hero-title { 
    font-size: 4.5rem; 
    font-weight: 800; 
    margin-bottom: 1rem; 
    color: #ffffff; 
}

.hero-title span { 
    color: var(--primary-color); 
    text-shadow: 0 0 20px rgba(210, 129, 55, 0.5); 
}

.hero-subtitle { 
    font-size: 1.4rem; 
    color: var(--text-color); 
    margin-bottom: 1.5rem; 
}

.hero-text { 
    font-size: 1.1rem; 
    color: rgba(255, 255, 255, 0.8); 
    max-width: 600px; 
    margin: 0 auto 3rem auto; 
}

.hero-actions { 
    display: flex; 
    justify-content: center; 
    gap: 1.5rem; 
    align-items: center; 
}

.glow-effect { 
    box-shadow: 0 0 20px rgba(210, 129, 55, 0.4); 
    transition: all 0.3s ease; 
}

.glow-effect:hover { 
    box-shadow: 0 0 30px rgba(210, 129, 55, 0.8); 
    transform: translateY(-3px); 
}

.secondary-btn { 
    color: var(--text-color); 
    font-weight: bold; 
    border-bottom: 2px solid transparent; 
    transition: all 0.3s ease; 
    padding-bottom: 2px; 
    text-decoration: none;
}

.secondary-btn:hover { 
    border-bottom: 2px solid var(--primary-color); 
    color: #ffffff; 
}

.content-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: 2rem; 
    padding: 2rem 0; 
}

.glass-card { 
    background: rgba(25, 36, 91, 0.4); 
    backdrop-filter: blur(10px); 
    border: 1px solid rgba(255, 189, 89, 0.1); 
    border-radius: 16px; 
    padding: 2.5rem 2rem; 
    text-align: left; 
    transition: transform 0.3s ease; 
}

.glass-card:hover { 
    transform: translateY(-8px); 
    border-color: rgba(255, 189, 89, 0.4); 
}

/* =========================================
   8. COMO FUNCIONA E ANIMAÇÕES
========================================= */
.fade-in { 
    opacity: 0; 
    transform: translateY(40px); 
    transition: opacity 0.8s ease-out, transform 0.8s ease-out; 
}

.fade-in.visible { 
    opacity: 1; 
    transform: translateY(0); 
}

.section-title { 
    font-size: 4rem; 
    color: var(--text-color); 
    margin-bottom: 4rem; 
    padding-bottom: 1rem; 
    text-align: center; 
}

.steps-wrapper { 
    display: flex; 
    flex-direction: column; 
    gap: 3rem; 
    width: 100%; 
    max-width: 900px; 
    margin: 0 auto; 
}

.step-item { 
    width: 100%; 
    padding: 3.5rem 4rem; 
    background: rgba(32, 44, 100, 0.6); 
    backdrop-filter: blur(10px); 
    border: 2px solid var(--primary-color); 
    border-radius: 24px; 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
    align-items: center; 
    text-align: center; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; 
}

.step-item:hover { 
    transform: scale(1.02); 
    box-shadow: 0 0 30px rgba(255, 189, 89, 0.4); 
    border-color: var(--text-color); 
}

.step-item p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 1.5rem;
    line-height: 1.6;
}

.marca-texto { 
    display: inline-block; 
    font-size: 1.5rem; 
    font-weight: bold; 
    color: #19245b; 
    background-color: var(--text-color); 
    padding: 0.4rem 1.2rem; 
    transform: skew(-10deg); 
    box-shadow: 4px 4px 0px var(--primary-color); 
}

.long-explanation { 
    background: rgba(32, 44, 100, 0.4); 
    padding: 3rem; 
    border-radius: 12px; 
    border-top: 4px solid var(--primary-color); 
    font-size: 1.15rem; 
}

.contact-section { 
    padding: 6rem 1rem; 
    text-align: center; 
    border-top: 1px solid rgba(255, 189, 89, 0.1); 
}

/* =========================================
   9. RESPONSIVIDADE (MOBILE FIXES)
========================================= */
@media (max-width: 900px) {
    header { 
        flex-direction: column; 
        gap: 1.5rem; 
        text-align: center; 
        padding-top: 1rem; 
    }
    
    nav ul { 
        flex-wrap: wrap; 
        justify-content: center; 
        gap: 1.5rem; 
        padding: 0; 
    }
    
    .header-controls { 
        flex-direction: row; 
        justify-content: center; 
        width: 100%; 
        gap: 1rem; 
    }
    
    .hero-title { 
        font-size: 2.8rem; 
    }
    
    .hero-actions { 
        flex-direction: column; 
        width: 100%; 
    }
    
    .hero-actions button, 
    .hero-actions a { 
        width: 100%; 
        text-align: center; 
    }
    
    .step-item { 
        padding: 2.5rem 1.5rem; 
    }
    
    .question-card legend { 
        font-size: 1.8rem; 
    }
    
    .scale-1-to-10 { 
        gap: 0.8rem; 
    }
    
    .scale-btn { 
        width: 32px; 
        height: 32px; 
        min-width: 32px; 
    }
}