/* ===============================
   GLOBAL WRAPPER
=================================*/

.nac-wrapper {
    max-width: 900px;
    margin: 60px auto;
    padding: 40px;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    font-family: 'Segoe UI', Arial, sans-serif;
}

.nac-wrapper h2 {
    margin-top: 0;
    margin-bottom: 30px;
    color: #111;
    border-bottom: 3px solid #1e73be;
    padding-bottom: 10px;
}

/* ===============================
   THEORY BLOCK
=================================*/

.nac-theory {
    background: #f4f8ff;
    padding: 30px;
    border-left: 6px solid #1e73be;
    border-radius: 6px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.nac-theory h3,
.nac-theory h4 {
    margin-top: 25px;
    color: #0d1b2a;
}

.nac-theory ul,
.nac-theory ol {
    padding-left: 20px;
}

.nac-theory .ntq-note {
    margin-top: 20px;
    padding: 15px;
    background: #eaf7ea;
    border-left: 4px solid #28a745;
    border-radius: 4px;
}

/* ===============================
   QUIZ SECTION
=================================*/

.nac-quiz {
    margin-top: 30px;
}

.nac-question {
    padding: 25px;
    margin-bottom: 25px;
    border: 1px solid #e3e6ea;
    border-radius: 8px;
    background: #fafafa;
    transition: 0.3s;
}

.nac-question:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

.nac-question p {
    margin-bottom: 15px;
}

.nac-question label {
    display: block;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: 0.2s;
}

.nac-question label:hover {
    background: #eef5ff;
}

.nac-question input[type="radio"] {
    margin-right: 8px;
}

/* ===============================
   BUTTON
=================================*/

.nac-btn {
    display: inline-block;
    padding: 12px 25px;
    background: linear-gradient(90deg,#111,#1e73be);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.nac-btn:hover {
    background: linear-gradient(90deg,#1e73be,#28a745);
}

/* ===============================
   RESULT BOX
=================================*/

.nac-result {
    margin-top: 40px;
    padding: 25px;
    border-radius: 8px;
    background: #f9f9f9;
    border-left: 6px solid #1e73be;
}

.nac-result h3 {
    margin-top: 0;
}

.nac-result p {
    font-size: 16px;
}

/* ===============================
   PROGRESS BAR
=================================*/

.nac-progress-bar {
    height: 12px;
    background: #eee;
    border-radius: 20px;
    overflow: hidden;
    margin-top: 30px;
}

.nac-progress-fill {
    height: 100%;
    background: linear-gradient(90deg,#1e73be,#28a745);
    transition: width 0.4s ease;
}