/* ============================================================
   БИБЛИОТЕКА ЗАДАНИЙ (2D-тренажер)
   ============================================================ */

.page-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 24px 40px;
}

/* ---- БЛОК 1: ЗАГОЛОВОК ---- */
.library-header {
    padding: 20px 0 20px;
    text-align: center;
}

.library-header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.library-header .subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.stats-badge {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.stats-badge span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--bg-surface);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

.stats-badge i {
    color: var(--accent-chart);
}

/* ---- БЛОК 2: КАК ЭТО РАБОТАЕТ ---- */
.how-it-works {
    padding: 30px 0 20px;
}

.how-it-works h2 {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 780px;
    margin: 0 auto 20px;
}

.step-card {
    background: var(--bg-surface);
    padding: 24px 20px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: transform 0.2s ease;
}

.step-card:hover {
    transform: translateY(-3px);
}

.step-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--btn-primary-text);
    background: var(--btn-primary-bg);
    border-radius: 50%;
    margin-bottom: 12px;
}

.step-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.tip-block {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    max-width: 780px;
    margin: 0 auto;
    padding: 14px 20px;
    background: var(--bg-canvas);
    border-radius: 10px;
    border: 1px solid var(--border-light);
}

.tip-block i {
    font-size: 1.2rem;
    color: var(--accent-chart);
    flex-shrink: 0;
    margin-top: 2px;
}

.tip-block span {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.tip-block strong {
    color: var(--text-primary);
}

/* ---- БЛОК 3: КАТАЛОГ ---- */
.catalog {
    padding: 30px 0 20px;
}

.figure-section {
    margin-bottom: 40px;
}

.figure-section:last-child {
    margin-bottom: 0;
}

.figure-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-light);
}

.figure-title i {
    color: var(--accent-chart);
    margin-right: 10px;
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.method-card {
    background: var(--bg-base);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.25s ease;
}

.method-card:hover {
    border-color: var(--border-focus);
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.method-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
}

.method-icon {
    font-size: 1.2rem;
}

.method-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.method-body {
    padding: 12px 16px;
}

.task-list {
    list-style: none;
    padding: 0;
    margin: 0 0 10px 0;
}

.task-list li {
    padding: 4px 0;
}

.task-list li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.task-list li a:hover {
    color: var(--text-primary);
}

.task-count {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    background: var(--bg-canvas);
    padding: 2px 12px;
    border-radius: 12px;
}

/* ---- БЛОК 4: ДОСТУП ---- */
.access-block {
    padding: 40px 0 30px;
}

.access-content {
    max-width: 720px;
    margin: 0 auto;
    padding: 36px 40px;
    background: var(--bg-canvas);
    border-radius: 14px;
    border: 1px solid var(--border-light);
    text-align: center;
}

.access-content h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.access-content > p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.access-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
    text-align: left;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
}

.access-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    padding: 4px 0;
}

.access-list li i {
    color: var(--accent-success);
    font-size: 1rem;
    flex-shrink: 0;
}

.pricing {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.price {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.price-year {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.btn-large {
    padding: 14px 40px;
    font-size: 1.1rem;
    border-radius: 12px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn-primary:hover {
    background: var(--btn-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.access-note {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 14px;
}

/* ---- БЛОК 4.5: ПЕРЕХОД К ТРЕНАЖЕРУ ---- */
.cta-block {
    padding: 40px 0 30px;
    text-align: center;
}

/* ---- БЛОК 5: ПРИМЕР ЗАДАНИЯ ---- */
.example-block {
    padding: 30px 0 20px;
}

.example-block h2 {
    text-align: center;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.example-wrapper {
    display: flex;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
    padding: 24px;
    background: var(--bg-base);
    border: 1px solid var(--border-light);
    border-radius: 14px;
    align-items: flex-start;
}

.example-image {
    flex: 1;
    min-width: 200px;
    background: var(--bg-canvas);
    border-radius: 10px;
    overflow: hidden;
}

.example-image img {
    width: 100%;
    height: auto;
    display: block;
}

.example-info {
    flex: 1.2;
}

.example-badge {
    display: inline-block;
    padding: 2px 12px;
    background: var(--bg-canvas);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.example-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.example-info p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 10px;
}

.example-info ul {
    list-style: none;
    padding: 0;
    margin: 0 0 12px 0;
}

.example-info ul li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 2px 0;
    padding-left: 20px;
    position: relative;
}

.example-info ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-chart);
}

.example-hint {
    display: inline-block;
    padding: 6px 14px;
    background: var(--bg-canvas);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

/* ============================================================
   АДАПТИВ
   ============================================================ */

@media (max-width: 992px) {
    .methods-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .example-wrapper {
        flex-direction: column;
        align-items: center;
    }

    .example-image {
        width: 100%;
        max-width: 400px;
    }
}

@media (max-width: 768px) {
    .page-wrapper {
        padding: 16px 16px 30px;
    }

    .library-header h1 {
        font-size: 1.6rem;
    }

    .stats-badge {
        gap: 12px;
    }

    .stats-badge span {
        font-size: 0.8rem;
        padding: 4px 12px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .methods-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .method-header h3 {
        font-size: 0.85rem;
    }

    .task-list li a {
        font-size: 0.85rem;
    }

    .access-content {
        padding: 24px 18px;
    }

    .access-content h2 {
        font-size: 1.3rem;
    }

    .pricing {
        flex-direction: column;
        gap: 4px;
    }

    .example-wrapper {
        padding: 16px;
    }

    .figure-title {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .page-wrapper {
        padding: 12px 12px 24px;
    }

    .library-header h1 {
        font-size: 1.3rem;
    }

    .library-header .subtitle {
        font-size: 0.9rem;
    }

    .stats-badge span {
        font-size: 0.7rem;
        padding: 3px 8px;
    }

    .methods-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .method-card {
        border-radius: 10px;
    }

    .method-header {
        padding: 8px 12px;
    }

    .method-header h3 {
        font-size: 0.8rem;
    }

    .method-body {
        padding: 8px 12px;
    }

    .task-list li {
        padding: 2px 0;
    }

    .task-list li a {
        font-size: 0.8rem;
    }

    .task-count {
        font-size: 0.65rem;
        padding: 1px 8px;
    }

    .access-content {
        padding: 18px 14px;
    }

    .access-content h2 {
        font-size: 1.1rem;
    }

    .access-list li {
        font-size: 0.85rem;
    }

    .price {
        font-size: 1.1rem;
    }

    .btn-large {
        padding: 10px 24px;
        font-size: 0.95rem;
    }

    .example-wrapper {
        padding: 12px;
    }

    .example-info h3 {
        font-size: 1rem;
    }

    .example-info p {
        font-size: 0.85rem;
    }

    .example-info ul li {
        font-size: 0.8rem;
    }

    .example-hint {
        font-size: 0.8rem;
    }
}

/* ---- БЛОК 3: БЕСПЛАТНЫЕ 2D-ТРЕНАЖЕРЫ ---- */
.free-trainers {
    padding: 30px 0 10px;
}

.free-trainers h2 {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.free-trainers-desc {
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
}

.free-trainers .trainers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 8px 0 16px;
    max-width: 780px;
    margin: 0 auto;
}

.free-trainers .trainer-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 12px 14px;
    background: var(--bg-base);
    border: 2px solid var(--border-light);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.25s ease;
}

.free-trainers .trainer-card:hover {
    border-color: var(--border-focus);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

 .free-trainers .trainer-card img {
    width: 100%;
    max-width: 200px;
    height: 170px;
    object-fit: cover;
    display: block;
    margin-bottom: 10px;
    border-radius: 6px;
}

.free-trainers .trainer-card span {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.free-trainers .trainer-card .trainer-card-go {
    display: inline-block;
    margin-top: 12px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1;
    color: var(--btn-primary-text);
    background: var(--btn-primary-bg);
    transition: background 0.25s ease;
}

.free-trainers .trainer-card:hover .trainer-card-go {
    background: var(--btn-primary-hover);
}

@media (max-width: 640px) {
    .free-trainers .trainers-grid {
        grid-template-columns: 1fr;
        max-width: 360px;
    }
}