/* ============================================
   КАЛЬКУЛЯТОР УСИЛИЯ ГИБКИ — CSS
   BEM-подход с префиксом .bending-calculator
   ============================================ */

/* === CSS-переменные === */
.bending-calculator {
    --bc-primary: #1DA078;
    --bc-primary-dark: #158a5f;
    --bc-primary-light: #22b88a;
    --bc-secondary: #f2722c;
    --bc-text: #333;
    --bc-text-light: #555;
    --bc-text-muted: #888;
    --bc-bg: #fff;
    --bc-bg-light: #f8f9fa;
    --bc-bg-accent: #e8f5f1;
    --bc-bg-accent-dark: #d4f0e7;
    --bc-border: #e0e0e0;
    --bc-border-light: #e9ecef;
    --bc-error: #dc3545;
    --bc-warning: #f2722c;
    --bc-info: #3b82f6;
    --bc-radius: 12px;
    --bc-radius-sm: 10px;
    --bc-radius-lg: 16px;
    --bc-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    --bc-shadow-sm: 0 3px 15px rgba(0, 0, 0, 0.06);
    --bc-shadow-lg: 0 8px 35px rgba(0, 0, 0, 0.12);
    --bc-transition: all 0.3s ease;
}

/* === Обёртка калькулятора === */
.bending-calculator {
    max-width: 1464px;
    margin: 0 auto;
    padding: 20px 15px 40px;
    font-family: inherit;
}

/* === Заголовок калькулятора === */
.bending-calculator__header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 30px;
    background: linear-gradient(135deg, var(--bc-primary) 0%, var(--bc-primary-dark) 100%);
    border-radius: var(--bc-radius-lg);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.bending-calculator__header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.bending-calculator__header::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(242,114,44,0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.bending-calculator__header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 10px 0;
    position: relative;
    z-index: 1;
    color: #fff;
}

.bending-calculator__header p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0;
    position: relative;
    z-index: 1;
}

/* === Карточка ввода === */
.bending-calculator__input-card {
    background: var(--bc-bg);
    border-radius: var(--bc-radius-lg);
    padding: 30px;
    box-shadow: var(--bc-shadow);
    border: 1px solid var(--bc-border-light);
    position: relative;
    overflow: hidden;
}

.bending-calculator__input-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--bc-primary) 0%, var(--bc-secondary) 100%);
}

.bending-calculator__card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bc-text);
    margin: 0 0 15px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* === Сетка формы === */
.bending-calculator__fields-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 25px;
}

/* === Поле формы === */
.bending-calculator__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* === Лейбл === */
.bending-calculator__label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--bc-text);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.bending-calculator__label .unit {
    font-weight: 400;
    color: var(--bc-text-muted);
    font-size: 0.85rem;
}

.bending-calculator__label .hint-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bc-bg-accent);
    color: var(--bc-primary);
    font-size: 0.7rem;
    font-weight: 700;
    cursor: help;
    flex-shrink: 0;
    font-style: normal;
    line-height: 1;
}

/* === Инпут / Селект === */
.bending-calculator__input,
.bending-calculator__select {
    padding: 14px 16px;
    border: 2px solid var(--bc-border);
    border-radius: var(--bc-radius-sm);
    font-size: 1rem;
    color: var(--bc-text);
    background: var(--bc-bg);
    transition: var(--bc-transition);
    outline: none;
    width: 100%;
    box-sizing: border-box;
    font-family: inherit;
}

.bending-calculator__input:focus,
.bending-calculator__select:focus {
    border-color: var(--bc-primary);
    box-shadow: 0 0 0 3px rgba(29, 160, 120, 0.15);
}

.bending-calculator__input.input-error,
.bending-calculator__select.input-error {
    border-color: var(--bc-error);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15);
    animation: bc-shake 0.4s ease;
}

@keyframes bc-shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-4px); }
    40%, 80% { transform: translateX(4px); }
}

/* === Чекбокс === */
.bending-calculator__checkbox-group {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: linear-gradient(135deg, var(--bc-bg-light) 0%, var(--bc-bg-accent) 100%);
    border-radius: var(--bc-radius-sm);
    cursor: pointer;
    transition: var(--bc-transition);
    user-select: none;
}

.bending-calculator__checkbox-group:hover {
    background: linear-gradient(135deg, var(--bc-bg-accent) 0%, var(--bc-bg-accent-dark) 100%);
}

.bending-calculator__checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--bc-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.bending-calculator__checkbox-group label {
    font-weight: 500;
    color: var(--bc-text);
    cursor: pointer;
    font-size: 0.95rem;
}

/* === Ручное V — скрыто по умолчанию === */
.bending-calculator__manual-v-input {
    display: none;
    grid-column: 1 / -1;
}

.bending-calculator__manual-v-input.visible {
    display: flex;
}

/* === Кнопки === */
.bending-calculator__btn-row {
    grid-column: 1 / -1;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.bending-calculator__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 1.05rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    transition: var(--bc-transition);
    font-family: inherit;
    line-height: 1;
}

.bending-calculator__btn--primary {
    color: #fff;
    background: linear-gradient(135deg, var(--bc-primary) 0%, var(--bc-primary-dark) 100%);
    box-shadow: 0 5px 25px rgba(29, 160, 120, 0.35);
}

.bending-calculator__btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(29, 160, 120, 0.45);
    background: linear-gradient(135deg, var(--bc-primary-light) 0%, var(--bc-primary) 100%);
}

.bending-calculator__btn--primary:active {
    transform: translateY(-1px);
}

.bending-calculator__btn--primary.loading {
    opacity: 0.7;
    pointer-events: none;
}

.bending-calculator__btn--secondary {
    background: transparent;
    color: var(--bc-primary);
    border: 2px solid var(--bc-primary);
    box-shadow: none;
}

.bending-calculator__btn--secondary:hover {
    background: var(--bc-primary);
    color: #fff;
    box-shadow: 0 5px 25px rgba(29, 160, 120, 0.3);
    transform: translateY(-2px);
}

.bending-calculator__btn--print {
    background: transparent;
    color: var(--bc-text-light);
    border: 2px solid #ddd;
}

.bending-calculator__btn--print:hover {
    border-color: var(--bc-primary);
    color: var(--bc-primary);
    transform: translateY(-2px);
}

/* === Алерты === */
.bending-calculator__alerts {
    display: none;
    margin: 25px 0;
    flex-direction: column;
    gap: 12px;
}

.bending-calculator__alerts.visible {
    display: flex;
}

.bending-calculator__alert {
    padding: 16px 20px 16px 50px;
    border-radius: var(--bc-radius);
    position: relative;
    font-size: 0.95rem;
    line-height: 1.6;
    box-shadow: var(--bc-shadow-sm);
}

.bending-calculator__alert-icon {
    position: absolute;
    left: 18px;
    top: 16px;
    font-size: 1.1rem;
    line-height: 1;
}

.bending-calculator__alert--error {
    background: linear-gradient(135deg, #fef2f2 0%, #fde8e8 100%);
    border-left: 4px solid var(--bc-error);
    color: #7f1d1d;
}

.bending-calculator__alert--warning {
    background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
    border-left: 4px solid var(--bc-warning);
    color: #7c2d12;
}

.bending-calculator__alert--info {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-left: 4px solid var(--bc-info);
    color: #1e3a5f;
}

/* === Результаты === */
.bending-calculator__results {
    display: none !important;
    background: var(--bc-bg);
    border-radius: var(--bc-radius-lg);
    padding: 30px;
    box-shadow: var(--bc-shadow);
    border: 1px solid var(--bc-border-light);
    margin-top: 25px;
    position: relative;
    overflow: hidden;
}

.bending-calculator__results::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--bc-primary) 0%, var(--bc-secondary) 100%);
}

.bending-calculator__results.visible {
    display: block !important;
}

.bending-calculator__results-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 20px;
}

/* === Секция результатов === */
.bending-calculator__result-section-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--bc-text);
    margin: 0 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(29, 160, 120, 0.2);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

/* === Элемент результата === */
.bending-calculator__result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: #f8fafb;
    border-radius: var(--bc-radius-sm);
    margin-bottom: 8px;
    transition: all 0.2s ease;
    flex-wrap: wrap;
    gap: 10px;
}

.bending-calculator__result-item:hover {
    background: var(--bc-bg-accent);
    transform: scale(1.01);
}

.bending-calculator__result-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: var(--bc-text-light);
    font-size: 0.95rem;
}

.bending-calculator__result-label span:first-child {
    font-size: 1.2rem;
}

.bending-calculator__result-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--bc-primary);
    white-space: nowrap;
}

.bending-calculator__result-unit {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--bc-text-muted);
    margin-left: 4px;
}

/* === Выделенный блок (усилие) === */
.bending-calculator__result-highlight {
    background: linear-gradient(135deg, var(--bc-bg-accent) 0%, var(--bc-bg-accent-dark) 100%);
    border-radius: var(--bc-radius);
    padding: 25px;
    border: 2px solid rgba(29, 160, 120, 0.2);
}

.bending-calculator__result-highlight .bending-calculator__result-item {
    background: rgba(255, 255, 255, 0.7);
}

.bending-calculator__result-highlight .bending-calculator__result-item:hover {
    background: rgba(255, 255, 255, 0.9);
}

.bending-calculator__result-highlight .bending-calculator__result-value {
    font-size: 1.5rem;
    color: var(--bc-primary-dark);
}

/* === Переключатель единиц === */
.bending-calculator__unit-toggle {
    display: inline-flex;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(29, 160, 120, 0.3);
}

.bending-calculator__unit-toggle button {
    padding: 6px 14px;
    border: none;
    background: transparent;
    font-size: 0.82rem;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.bending-calculator__unit-toggle button.active {
    background: var(--bc-primary);
    color: #fff;
}

.bending-calculator__unit-toggle button:hover:not(.active) {
    background: rgba(29, 160, 120, 0.1);
    color: var(--bc-primary);
}

/* === Мета для печати === */
.bending-calculator__print-meta {
    display: none;
}

/* === Аккордеон === */
.bending-calculator__accordion {
    margin: 40px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bending-calculator__accordion-item {
    background: var(--bc-bg);
    border-radius: var(--bc-radius);
    box-shadow: var(--bc-shadow-sm);
    overflow: hidden;
    border: 1px solid var(--bc-border-light);
}

.bending-calculator__accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--bc-text);
    transition: var(--bc-transition);
    user-select: none;
}

.bending-calculator__accordion-header:hover {
    background: var(--bc-bg-light);
    color: var(--bc-primary);
}

.bending-calculator__accordion-arrow {
    font-size: 0.8rem;
    color: #999;
    transition: transform 0.3s ease;
}

.bending-calculator__accordion-item.open .bending-calculator__accordion-arrow {
    transform: rotate(180deg);
    color: var(--bc-primary);
}

.bending-calculator__accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.bending-calculator__accordion-item.open .bending-calculator__accordion-body {
    max-height: 2000px;
}

.bending-calculator__accordion-content {
    padding: 0 25px 25px;
    line-height: 1.7;
    color: var(--bc-text-light);
}

.bending-calculator__accordion-content p {
    margin: 12px 0;
}

.bending-calculator__accordion-content code {
    background: var(--bc-bg-accent);
    padding: 3px 8px;
    border-radius: 5px;
    font-size: 0.92rem;
    color: var(--bc-primary-dark);
    font-family: 'Consolas', 'Monaco', monospace;
}

.bending-calculator__accordion-content strong {
    color: var(--bc-text);
}

/* Таблицы внутри аккордеона */
.bending-calculator__accordion-content table {
    width: 100%;
    margin: 15px 0;
    border-collapse: collapse;
    background: var(--bc-bg);
    border-radius: var(--bc-radius-sm);
    overflow: hidden;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
}

.bending-calculator__accordion-content table th,
.bending-calculator__accordion-content table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--bc-border-light);
    font-size: 0.95rem;
}

.bending-calculator__accordion-content table th {
    background: linear-gradient(135deg, var(--bc-primary) 0%, var(--bc-primary-dark) 100%);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bending-calculator__accordion-content table tbody tr:nth-child(even) {
    background-color: #f8fafb;
}

.bending-calculator__accordion-content table tbody tr:hover {
    background-color: var(--bc-bg-accent);
}

/* === Схема SVG === */
.bending-calculator__schema-container {
    text-align: center;
    padding: 15px;
    background: var(--bc-bg);
    border-radius: var(--bc-radius);
    border: 1px solid var(--bc-border-light);
    overflow-x: auto;
}

.bending-calculator__schema-container svg {
    max-width: 100%;
    height: auto;
}

/* === Футер калькулятора === */
.bending-calculator__footer {
    margin-top: 50px;
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, var(--bc-bg-light) 0%, var(--bc-bg-accent) 100%);
    border-radius: var(--bc-radius-lg);
}

.bending-calculator__disclaimer {
    font-size: 0.85rem;
    color: var(--bc-text-muted);
    line-height: 1.7;
    max-width: 900px;
    margin: 0 auto 12px;
    font-style: italic;
}

.bending-calculator__version {
    font-size: 0.8rem;
    color: #aaa;
    font-weight: 500;
}


/* ===== ПЕЧАТЬ ===== */
@media print {
    body * {
        visibility: hidden;
    }

    .bending-calculator,
    .bending-calculator * {
        visibility: visible;
    }

    .bending-calculator {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
    }

    .bending-calculator__header,
    .bending-calculator__input-card,
    .bending-calculator__alerts,
    .bending-calculator__accordion,
    .bending-calculator__footer,
    .bending-calculator__btn-row,
    .bending-calculator__unit-toggle {
        display: none !important;
    }

    .bending-calculator__results.visible {
        display: block !important;
        box-shadow: none !important;
        border: 1px solid #ddd;
    }

    .bending-calculator__print-meta {
        display: block !important;
        padding: 15px;
        background: #f5f5f5;
        border-radius: 8px;
        margin-bottom: 20px;
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .bending-calculator__result-item:hover {
        transform: none;
        background: #f8fafb;
    }
}


/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 768px) {
    .bending-calculator__header h2 {
        font-size: 1.4rem;
    }

    .bending-calculator__header p {
        font-size: 0.95rem;
    }

    .bending-calculator__fields-grid {
        grid-template-columns: 1fr;
    }

    .bending-calculator__btn-row {
        flex-direction: column;
    }

    .bending-calculator__btn {
        width: 100%;
        justify-content: center;
    }

    .bending-calculator__result-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .bending-calculator__result-value {
        font-size: 1.2rem;
    }

    .bending-calculator__result-highlight .bending-calculator__result-value {
        font-size: 1.3rem;
    }

    .bending-calculator__accordion-header {
        padding: 15px 18px;
        font-size: 0.95rem;
    }

    .bending-calculator__accordion-content {
        padding: 0 18px 20px;
    }

    .bending-calculator__schema-container svg {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .bending-calculator {
        padding: 10px;
    }

    .bending-calculator__header {
        padding: 25px 18px;
        border-radius: var(--bc-radius);
    }

    .bending-calculator__header h2 {
        font-size: 1.2rem;
    }

    .bending-calculator__input,
    .bending-calculator__select {
        padding: 12px 14px;
        font-size: 0.95rem;
    }

    .bending-calculator__btn {
        padding: 14px 24px;
        font-size: 0.95rem;
    }

    .bending-calculator__result-highlight {
        padding: 18px;
    }

    .bending-calculator__unit-toggle button {
        padding: 5px 10px;
        font-size: 0.75rem;
    }

    .bending-calculator__input-card {
        padding: 20px 15px;
    }

    .bending-calculator__results {
        padding: 20px 15px;
    }
}

/* ============================================
   МОДАЛЬНОЕ ОКНО КОНСУЛЬТАЦИИ
   ============================================ */

.bending-calculator__modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: bc-modalFadeIn 0.3s ease;
}

@keyframes bc-modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.bending-calculator__modal[hidden] {
    display: none;
}

.bending-calculator__modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.bending-calculator__modal-content {
    position: relative;
    width: 100%;
    max-width: 550px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--bc-bg);
    border-radius: var(--bc-radius-lg);
    box-shadow: var(--bc-shadow-lg);
    padding: 40px;
    animation: bc-modalSlideIn 0.3s ease;
}

@keyframes bc-modalSlideIn {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.bending-calculator__modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bc-bg-light);
    border-radius: 50%;
    font-size: 28px;
    line-height: 1;
    color: var(--bc-text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--bc-transition);
    z-index: 10;
}

.bending-calculator__modal-close:hover {
    background: var(--bc-error);
    color: #fff;
    transform: rotate(90deg);
}

.bending-calculator__modal-title {
    margin: 0 0 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bc-text);
    text-align: center;
}

.bending-calculator__modal-desc {
    margin: 0 0 30px;
    font-size: 0.95rem;
    color: var(--bc-text-light);
    text-align: center;
    line-height: 1.6;
}

.bending-calculator__lead-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.bending-calculator__lead-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bending-calculator__lead-field label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--bc-text);
}

.bending-calculator__lead-field input,
.bending-calculator__lead-field textarea {
    padding: 14px 16px;
    border: 1px solid var(--bc-border);
    border-radius: var(--bc-radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--bc-transition);
    background: var(--bc-bg);
    color: var(--bc-text);
}

.bending-calculator__lead-field input:focus,
.bending-calculator__lead-field textarea:focus {
    outline: none;
    border-color: var(--bc-primary);
    box-shadow: 0 0 0 3px rgba(29, 160, 120, 0.15);
}

.bending-calculator__lead-field input::placeholder,
.bending-calculator__lead-field textarea::placeholder {
    color: var(--bc-text-muted);
}

.bending-calculator__lead-field textarea {
    resize: vertical;
    min-height: 100px;
}

.bending-calculator__lead-consent {
    font-size: 0.85rem;
    color: var(--bc-text-light);
    line-height: 1.5;
}

.bending-calculator__lead-consent label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.bending-calculator__lead-consent input[type="checkbox"] {
    flex-shrink: 0;
    margin-top: 3px;
    width: 16px;
    height: 16px;
    accent-color: var(--bc-primary);
}

.bending-calculator__lead-consent a {
    color: var(--bc-primary);
    text-decoration: underline;
    transition: var(--bc-transition);
}

.bending-calculator__lead-consent a:hover {
    color: var(--bc-primary-dark);
    text-decoration: none;
}

.bending-calculator__lead-submit {
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--bc-primary) 0%, var(--bc-primary-dark) 100%);
    color: #fff;
    border: none;
    border-radius: var(--bc-radius);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--bc-transition);
    box-shadow: 0 4px 15px rgba(29, 160, 120, 0.3);
}

.bending-calculator__lead-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(29, 160, 120, 0.4);
}

.bending-calculator__lead-submit:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .bending-calculator__modal {
        padding: 15px;
    }

    .bending-calculator__modal-content {
        padding: 30px 20px;
        max-height: 95vh;
    }

    .bending-calculator__modal-title {
        font-size: 1.25rem;
    }
}