@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&display=swap');

:root {
    --primary-color: #007bff;
    --success-color: #28a745;
    --light-gray: #f8f9fa;
    --gray: #e9ecef;
    --dark-gray: #6c757d;
    --text-color: #333;
    --bg-color: #fff;
    --warning-color: #aa6c00;
    --warning-bg: #fff8e5;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--light-gray);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
}

/* === СТИЛИ КАЛЬКУЛЯТОРА === */
.calculator-container {
    background-color: var(--bg-color);
    padding: 30px 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 600px;
    margin: 20px auto;
    box-sizing: border-box;
}

.calculator-container header {
    text-align: center;
    margin-bottom: 30px;
}

.calculator-container header h1 {
    margin: 0;
    font-size: 1.8rem;
    color: var(--text-color);
}

.calculator-container header p {
    color: var(--dark-gray);
    font-size: 1rem;
}

.progress-bar {
    width: 100%;
    background-color: var(--gray);
    border-radius: 5px;
    margin-bottom: 30px;
    height: 10px;
}

.progress {
    width: 0%;
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 5px;
    transition: width 0.4s ease-in-out;
}

.step {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.step.active-step {
    display: block;
    opacity: 1;
}

.step h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Montserrat', sans-serif;
    box-sizing: border-box;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--dark-gray);
    font-size: 0.85rem;
}

button {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Montserrat', sans-serif;
}
button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
button:active {
    transform: scale(0.98);
    box-shadow: none;
}

.next-btn,
.submit-btn {
    background-color: var(--primary-color);
    color: white;
    float: right;
}

.next-btn:hover,
.submit-btn:hover {
    background-color: #0056b3;
}

.prev-btn {
    background-color: var(--gray);
    color: var(--dark-gray);
}

.prev-btn:hover {
    background-color: #d3d9df;
}


.result-container {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    background-color: var(--light-gray);
    border-radius: 8px;
    border: 2px dashed var(--primary-color);
    transition: opacity 0.5s ease;
}
#result-text {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 10px 0;
}
.disclaimer {
    display: block;
    margin-top: 20px;
    color: var(--dark-gray);
    font-size: 0.8rem;
    line-height: 1.4;
}
.hidden {
    display: none !important;
    opacity: 0;
}

/* === СТИЛИ ДЛЯ НОВЫХ БЛОКОВ === */

.note-block, .warning-block {
    font-size: 0.9rem;
    margin-top: 15px;
    padding: 10px 15px;
    border-radius: 6px;
    text-align: left;
}

.note-block {
    background-color: #e9ecef;
    color: #333;
    font-style: italic;
}

.warning-block {
    border: 1px solid var(--warning-color);
    background: var(--warning-bg);
    color: var(--warning-color);
}

.scenarios-container {
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid var(--gray);
    text-align: center;
}
.scenarios-container h4 {
    margin: 0 0 10px 0;
    color: var(--dark-gray);
    font-weight: 600;
}

.scenario-btn {
    background-color: #f0f0f0;
    color: #555;
    margin: 5px;
    padding: 8px 12px;
    font-size: 0.85rem;
}
.scenario-btn:hover {
    background-color: #e0e0e0;
}

.actions-container {
    text-align: center;
    margin-top: 20px;
}
#download-pdf-btn {
    float: none;
    background-color: var(--success-color);
}
#download-pdf-btn:hover {
    background-color: #218838;
}

/* === СТИЛИ СТАТЬИ === */
.article-container {
    max-width: 800px;
    margin: 40px auto;
    background-color: #fff;
    padding: 20px 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    line-height: 1.7;
}

.article-container h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 20px;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.article-container h3 {
    font-size: 1.6rem;
    margin-top: 40px;
    color: #222;
}

.article-container h4 {
    font-size: 1.2rem;
    margin-top: 30px;
    color: #333;
}

.article-container blockquote {
    font-style: italic;
    border-left: 4px solid var(--primary-color);
    padding-left: 15px;
    margin: 20px 0;
    color: #555;
    background-color: #f8f9fa;
    padding: 10px 0 10px 15px;
}

.article-container table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 0.95em;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.article-container th,
.article-container td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid #ddd;
}

.article-container th {
    background-color: #343a40;
    color: white;
    font-weight: bold;
}

.article-container tr:nth-child(even) {
    background-color: #f8f9fa;
}
.article-container tr:hover {
    background-color: #e9ecef;
}

.article-container ul {
    padding-left: 20px;
}
.article-container li {
    margin-bottom: 10px;
}

/* === СТИЛИ ДЛЯ БЛОКОВ АВТОРА И ЭКСПЕРТА === */

/* Блок автора */
.author-block {
    display: flex;
    align-items: center;
    margin: 30px 0;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.author-photo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 15px;
    border: 2px solid #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: #333;
}

.author-title {
    font-size: 0.9rem;
    color: #6c757d;
}

.social-icons {
    margin-top: 5px;
}

.social-icons a {
    display: inline-block;
    margin-right: 10px;
    text-decoration: none;
}

.social-icons svg {
    width: 20px;
    height: 20px;
    fill: #6c757d;
    transition: fill 0.2s ease;
}

.social-icons a:hover svg {
    fill: #007bff;
}

/* Блок с мнениями эксперта */
.expert-quote-block {
    margin: 40px 0;
    padding: 20px;
    border-left: 4px solid #007bff;
    background-color: #f8f9fa;
    border-radius: 0 8px 8px 0;
}

.expert-quote-block h3 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.expert-quote-block p {
    font-style: italic;
    color: #555;
    margin-bottom: 10px;
    padding-left: 10px;
    border-left: 2px solid #e9ecef;
}

.expert-quote-block p:last-child {
    margin-bottom: 0;
}
/* === MOBILE ADAPTATION === */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .calculator-container, .article-container {
        padding: 20px;
    }

    .calculator-container header h1 {
        font-size: 1.4rem;
    }
    .calculator-container header p {
        font-size: 0.9rem;
    }

    .step h2 {
        font-size: 1.2rem;
    }

    .form-group input,
    .form-group select {
        padding: 10px;
        font-size: 0.95rem;
    }

    button {
        padding: 10px 20px;
        font-size: 0.95rem;
    }

    #result-text {
        font-size: 1.3rem;
    }

    .article-container h2 {
        font-size: 1.6rem;
    }
    .article-container h3 {
        font-size: 1.3rem;
    }
    .article-container h4 {
        font-size: 1.1rem;
    }

    /* Обернуть таблицы для скроллинга */
    .article-container table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    /* Блок автора в колонку */
    .author-block {
        flex-direction: column;
        align-items: flex-start;
    }
    .author-photo {
        margin-bottom: 10px;
    }
}

/* Еще более узкие экраны */
@media (max-width: 480px) {
    .calculator-container header h1 {
        font-size: 1.2rem;
    }
    .step h2 {
        font-size: 1.1rem;
    }
    button {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}