/* ── Theme Variables ── */
[data-bs-theme="light"] {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #818cf8;
    --primary-alpha: rgba(79, 70, 229, 0.15);
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --bg-body: #f1f4f9;
    --bg-card: #ffffff;
    --bg-elevated: #f8fafc;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.05), 0 1px 4px rgba(0,0,0,0.03);
    --shadow-hover: 0 20px 60px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --navbar-bg: rgba(255,255,255,0.82);
    --footer-bg: #f1f4f9;
    --badge-bg: #eef2ff;
    --input-bg: #ffffff;
    --border-focus: #4f46e5;
}
[data-bs-theme="dark"] {
    --primary: #818cf8;
    --primary-hover: #6366f1;
    --primary-light: #a5b4fc;
    --primary-alpha: rgba(129,140,248,0.15);
    --secondary: #38bdf8;
    --accent: #fbbf24;
    --bg-body: #0c111d;
    --bg-card: #161c2e;
    --bg-elevated: #1a2236;
    --border-color: #283044;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-hover: 0 20px 60px rgba(0,0,0,0.6);
    --navbar-bg: rgba(12,17,29,0.88);
    --footer-bg: #0c111d;
    --badge-bg: #1e293b;
    --input-bg: #1a2236;
    --border-focus: #818cf8;
}

/* ── Base ── */
* { margin:0; padding:0; box-sizing:border-box; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    transition: background 0.35s ease, color 0.35s ease;
    background: var(--bg-body);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

/* ── Container ── */
.container-80 {
    width: 80%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 16px;
    padding-right: 16px;
}
@media (max-width: 992px) { .container-80 { width: 92%; } }
@media (max-width: 576px) { .container-80 { width: 98%; padding-left:12px; padding-right:12px; } }

/* ── Navbar ── */
.navbar-custom {
    padding: 14px 0;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: var(--navbar-bg);
    border-bottom: 1px solid var(--border-color);
    transition: background 0.35s ease, border-color 0.35s ease;
}
.navbar-custom .navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}
.navbar-custom .navbar-brand span { color: var(--primary); }
.navbar-custom .nav-link {
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.4rem 0.9rem;
    color: var(--text-secondary);
    transition: color 0.2s;
    border-radius: 8px;
}
.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
    color: var(--text-primary);
    background: var(--primary-alpha);
}
.navbar-custom .nav-link.active { color: var(--primary); }

/* ── Theme Toggle ── */
.theme-toggle {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 0.25rem 0.65rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    transition: 0.25s;
    color: var(--text-secondary);
}
.theme-toggle:hover { background: var(--border-color); }
.theme-toggle .bi { font-size: 1rem; transition: 0.25s; }

/* ── Buttons ── */
.btn-primary-gradient {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    border: none;
    color: #fff;
    border-radius: 50px;
    padding: 0.55rem 1.8rem;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.2s, box-shadow 0.25s;
    box-shadow: 0 4px 16px rgba(79,70,229,0.3);
}
.btn-primary-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(79,70,229,0.4);
    color: #fff;
}
.btn-outline-theme {
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 50px;
    padding: 0.4rem 1.2rem;
    font-weight: 500;
    font-size: 0.9rem;
    transition: 0.2s;
}
.btn-outline-theme:hover {
    background: var(--border-color);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* ── Footer ── */
.footer-section {
    background: var(--footer-bg);
    padding: 56px 0 28px;
    border-top: 1px solid var(--border-color);
    transition: background 0.35s;
}
.footer-section h5 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 0.95rem;
}
.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: 0.2s;
    display: inline-block;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}
.footer-section a:hover { color: var(--primary); }
.footer-section .social-links a {
    font-size: 1.3rem;
    margin-right: 0.7rem;
    color: var(--text-secondary);
}
.footer-section .social-links a:hover { color: var(--primary); }
.footer-bottom {
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}
.footer-section .footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.tech-tag {
    background: var(--primary-alpha);
    color: var(--primary);
    padding: 0.15rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-right: 0.25rem;
    display: inline-block;
}

.sidebar .nav-link {
    color: var(--text-secondary);
    border-radius: 8px;
    padding: 0.6rem 1rem;
    transition: 0.2s;
}
.sidebar .nav-link:hover {
    background: var(--primary-alpha);
    color: var(--text-primary);
}
.sidebar .nav-link.active {
    background: var(--primary-alpha);
    color: var(--primary);
}

.admin-sidebar {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: background 0.35s ease, border-color 0.35s ease;
}
.admin-sidebar .nav-link {
    border-radius: 8px;
    padding: 0.5rem 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
}
.admin-sidebar .nav-link:hover {
    background: var(--primary-alpha);
    color: var(--text-primary);
}
.admin-sidebar .nav-link.active {
    background: var(--primary-alpha);
    color: var(--primary);
}
.admin-sidebar .nav-item {
    margin-bottom: 0.2rem;
}

.admin-content .table-custom {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: background 0.35s ease, border-color 0.35s ease;
}
.admin-content .table-custom thead th {
    background: var(--block-alt);
    border-bottom: 2px solid var(--border-color);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.8rem 1.2rem;
    color: var(--text-primary);
}
.admin-content .table-custom tbody td {
    padding: 0.7rem 1.2rem;
    border-color: var(--border-color);
    vertical-align: middle;
    color: var(--text-secondary);
}
.admin-content .table-custom tbody tr:hover {
    background: var(--table-hover);
}
.admin-content .table-custom tbody tr:nth-child(even) {
    background: var(--table-stripe);
}
.admin-content .table-custom tbody tr:nth-child(even):hover {
    background: var(--table-hover);
}

/* Дополнительные стили для главной страницы */

/* Улучшаем читаемость текста на слайдере */
.slider-modern .carousel-caption {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 20px;
    padding: 2rem;
    left: 10%;
    right: 10%;
    bottom: 20%;
    max-width: 600px;
    margin: 0 auto;
}

.slider-modern .carousel-caption .badge-slide {
    display: inline-block;
    background: var(--primary-alpha);
    color: var(--primary);
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.slider-modern .carousel-caption h2 {
    font-weight: 800;
    font-size: 2.2rem;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 0.5rem;
}

.slider-modern .carousel-caption p {
    font-size: 1.05rem;
    color: #f0f0f0;
    max-width: 560px;
    margin: 0 auto;
}

/* Адаптация слайдера для мобильных */
@media (max-width: 768px) {
    .slider-modern .carousel-caption {
        padding: 1rem;
        left: 5%;
        right: 5%;
        bottom: 10%;
    }
    .slider-modern .carousel-caption h2 {
        font-size: 1.4rem;
    }
    .slider-modern .carousel-caption p {
        font-size: 0.85rem;
    }
}

/* ── Слайдер ── */
.slider-modern .carousel-inner {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* Явное закругление для изображений внутри слайдера */
.slider-modern .carousel-item img {
    border-radius: 20px; /* стандартное закругление */
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Карточки проектов в карусели – технологические теги уже есть,
   но добавим небольшую тень для выделения */
.dynamic-carousel-section {
            padding: 48px 0 72px;
            background: var(--block-alt);
            border-bottom: 1px solid var(--border-color);
            transition: background 0.35s, border-color 0.35s;
            overflow: hidden;
        }

        .carousel-track-wrapper {
            position: relative;
            width: 100%;
            overflow: hidden;
            mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
            -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
        }

        .carousel-track {
            display: flex;
            gap: 20px;
            width: max-content;
            animation: scrollLeft var(--speed, 30s) linear infinite;
            will-change: transform;
        }

        .carousel-track.reverse {
            animation-name: scrollRight;
        }

        .carousel-track-wrapper.paused .carousel-track {
            animation-play-state: paused;
        }

        @keyframes scrollLeft {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        @keyframes scrollRight {
            0% {
                transform: translateX(-50%);
            }
            100% {
                transform: translateX(0);
            }
        }

        .carousel-project-card {
            flex: 0 0 auto;
            width: 260px;
            background: var(--bg-card);
            border-radius: 16px;
            padding: 1.25rem 1.25rem 1rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--carousel-card-shadow);
            transition: transform 0.25s, box-shadow 0.25s;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .carousel-project-card:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: var(--shadow-hover);
        }

        .carousel-project-card .card-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 0.5rem;
        }

        .carousel-project-card .card-icon {
            font-size: 1.8rem;
            flex-shrink: 0;
            line-height: 1;
        }

        .carousel-project-card .card-badge {
            font-size: 0.6rem;
            font-weight: 600;
            padding: 0.15rem 0.6rem;
            border-radius: 50px;
            background: var(--primary-alpha);
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }

        .carousel-project-card .card-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.3;
        }

        .carousel-project-card .card-desc {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .carousel-project-card .card-tech {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem;
            margin-top: 0.2rem;
        }

        .carousel-project-card .card-tech span {
            font-size: 0.6rem;
            font-weight: 500;
            padding: 0.1rem 0.5rem;
            border-radius: 4px;
            background: var(--border-color);
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }

        .carousel-project-card .card-footer-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 0.3rem;
            padding-top: 0.4rem;
            border-top: 1px solid var(--border-color);
        }

        .carousel-project-card .card-status {
            font-size: 0.65rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .carousel-project-card .card-status .dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .carousel-project-card .card-status .dot.green {
            background: #22c55e;
        }
        .carousel-project-card .card-status .dot.yellow {
            background: #eab308;
        }
        .carousel-project-card .card-status .dot.blue {
            background: #3b82f6;
        }
        .carousel-project-card .card-status .dot.purple {
            background: #8b5cf6;
        }

        .carousel-project-card .card-year {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        /* Row gap between the two tracks */
        .carousel-rows-gap {
            height: 20px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .carousel-project-card {
                width: 210px;
                padding: 1rem;
            }
            .carousel-project-card .card-title {
                font-size: 0.85rem;
            }
            .carousel-project-card .card-desc {
                font-size: 0.7rem;
            }
            .carousel-project-card .card-icon {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 576px) {
            .carousel-project-card {
                width: 180px;
                padding: 0.8rem;
            }
            .carousel-project-card .card-title {
                font-size: 0.75rem;
            }
            .carousel-project-card .card-desc {
                font-size: 0.65rem;
                -webkit-line-clamp: 1;
            }
            .carousel-project-card .card-tech span {
                font-size: 0.5rem;
                padding: 0.05rem 0.4rem;
            }
            .carousel-project-card .card-icon {
                font-size: 1.2rem;
            }
            .carousel-project-card .card-badge {
                font-size: 0.5rem;
                padding: 0.1rem 0.4rem;
            }
            .carousel-project-card .card-status {
                font-size: 0.55rem;
            }
            .carousel-project-card .card-year {
                font-size: 0.55rem;
            }
        }

.advantages-section {
    padding: 64px 0 72px;
}
.advantage-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    height: 100%;
    box-shadow: var(--shadow-sm);
}
.advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-alpha);
}
.advantage-card .icon {
    font-size: 2.8rem;
    margin-bottom: 0.8rem;
    display: block;
    color: var(--primary);
}
.advantage-card h5 {
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 1.05rem;
}
.advantage-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 0;
    line-height: 1.6;
}

.twocol-block {
    padding: 72px 0;
}
.twocol-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem 1.8rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    height: 100%;
}
.twocol-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-alpha);
}
.twocol-card .icon-xl {
    font-size: 2.6rem;
    color: var(--primary);
    display: block;
    margin-bottom: 0.6rem;
}
.twocol-card h4 {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.15rem;
}
.twocol-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}
.twocol-card .badge-tag {
    background: var(--primary-alpha);
    color: var(--primary);
    border-radius: 50px;
    padding: 0.2rem 0.9rem;
    font-weight: 600;
    font-size: 0.7rem;
    display: inline-block;
    margin-top: 0.5rem;
    letter-spacing: 0.02em;
}

/* ── FAQ (Аккордеон) ── */
.faq-section {
    padding: 64px 0 72px;
}
.faq-section .accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    margin-bottom: 0.6rem;
    border-radius: 14px !important;
    overflow: hidden;
    transition: 0.2s;
    box-shadow: var(--shadow-sm);
}
.faq-section .accordion-item:hover {
    border-color: var(--primary-alpha);
    box-shadow: var(--shadow-md);
}
.faq-section .accordion-button {
    background: var(--bg-card);
    color: var(--text-primary);
    font-weight: 600;
    padding: 1.1rem 1.5rem;
    border: none;
    box-shadow: none;
    font-size: 0.95rem;
    transition: background 0.2s;
}
.faq-section .accordion-button:not(.collapsed) {
    background: var(--bg-card);
    color: var(--primary);
    box-shadow: none;
}
.faq-section .accordion-button:focus {
    box-shadow: none;
    border-color: var(--border-color);
}
.faq-section .accordion-button::after {
    filter: var(--bs-accordion-btn-icon-filter);
    background-size: 1rem;
    width: 1rem;
    height: 1rem;
}
.faq-section .accordion-body {
    background: var(--bg-card);
    color: var(--text-secondary);
    padding: 0 1.5rem 1.5rem;
    line-height: 1.7;
    font-size: 0.92rem;
}

/* ── Классы для калькулятора услуг ── */

/* Карточка категории (аналог twocol-card, но для группировки опций) */
.category-card {
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, border-color 0.2s;
    margin-bottom: 1.5rem;
    overflow: hidden;
}
.category-card:hover {
    border-color: var(--primary-alpha);
    box-shadow: var(--shadow-md);
}
.category-card .card-header {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
    padding: 0.9rem 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}
.category-card .card-body {
    padding: 1.25rem 1.5rem;
}

/* Элемент услуги (строка с чекбоксом и ценой) */
.service-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border-color);
}
.service-item:last-child {
    border-bottom: none;
}
.service-item .form-check {
    margin-bottom: 0;
}
.service-item .form-check-label {
    font-size: 0.92rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Бейдж с ценой */
.badge-price {
    background: var(--badge-bg);
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.2rem 0.9rem;
    border-radius: 30px;
    font-size: 0.8rem;
    white-space: nowrap;
    margin-left: auto;
}

/* Дополнительные опции (выпадающий блок) */
.sub-option-collapse {
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.sub-option-collapse.collapsing {
    opacity: 0;
    transform: translateY(-8px);
}
.sub-option-collapse.show {
    opacity: 1;
    transform: translateY(0);
}

/* Группа полей внутри подопций */
.field-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
}
.field-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.field-group input[type="number"] {
    width: 80px;
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: 0.2s;
}
.field-group input[type="number"]:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-alpha);
    outline: none;
}

/* Подсказка для ввода-вывода */
.io-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
    margin-top: 0.1rem;
}

/* Блок поддержки */
.support-block {
    background: var(--bg-elevated);
    border-radius: 18px;
    padding: 1rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.2rem 2rem;
    border: 1px solid var(--border-color);
    margin-top: 1rem;
}
.support-block .support-label {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Группа радиокнопок в строку */
.radio-group-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    align-items: center;
}
.radio-group-inline .form-check {
    margin-bottom: 0;
}
.radio-group-inline .form-check-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
}

/* Карточка расчёта (правая колонка) */
.calc-card {
    position: sticky;
    top: 2rem;
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}
.calc-card .card-header {
    background: var(--primary);
    color: #fff;
    padding: 0.9rem 1.5rem;
    font-weight: 600;
    border: none;
}
.calc-card .card-body {
    padding: 1.5rem;
}

/* Элемент в детальном расчёте (строка с меткой и значением) */
.calc-item {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.92rem;
}
.calc-item .label {
    color: var(--text-secondary);
}
.calc-item .value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Итоговая сумма */
.calc-total {
    display: flex;
    justify-content: space-between;
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 2px solid var(--border-color);
    font-weight: 700;
    font-size: 1.1rem;
}
.calc-total .value {
    background: var(--primary-alpha);
    padding: 0 1.2rem;
    border-radius: 40px;
    color: var(--primary);
    font-size: 1.2rem;
}

/* Блок с множителем поддержки */
.calc-support {
    display: flex;
    justify-content: space-between;
    margin-top: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    padding: 0.3rem 0.8rem;
    border-radius: 30px;
}
.calc-support .value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Анимация для итоговой суммы */
@keyframes totalPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); color: var(--primary); }
    100% { transform: scale(1); }
}
.total-pop {
    animation: totalPop 0.4s ease;
}

.category-card {
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, border-color 0.2s;
    margin-bottom: 1.5rem;
    overflow: hidden;
}
.category-card:hover {
    border-color: var(--primary-alpha);
    box-shadow: var(--shadow-md);
}
.category-card .card-header {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
    padding: 0.9rem 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}
.category-card .card-body {
    padding: 1.25rem 1.5rem;
}

/* Элемент услуги (строка) */
.service-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border-color);
}
.service-item:last-child {
    border-bottom: none;
}
.service-item .form-check {
    margin-bottom: 0;
}
.service-item .form-check-label {
    font-size: 0.92rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Бейдж с ценой */
.badge-price {
    background: var(--badge-bg);
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.2rem 0.9rem;
    border-radius: 30px;
    font-size: 0.8rem;
    white-space: nowrap;
    margin-left: auto;
}

/* Анимация для подопций */
.sub-option-collapse {
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.sub-option-collapse.collapsing {
    opacity: 0;
    transform: translateY(-8px);
}
.sub-option-collapse.show {
    opacity: 1;
    transform: translateY(0);
}

/* Группа полей ввода */
.field-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
}
.field-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.field-group input[type="number"] {
    width: 80px;
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: 0.2s;
}
.field-group input[type="number"]:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-alpha);
    outline: none;
}

/* Подсказка */
.io-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
    margin-top: 0.1rem;
}

/* Блок поддержки */
.support-block {
    background: var(--bg-elevated);
    border-radius: 18px;
    padding: 1rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.2rem 2rem;
    border: 1px solid var(--border-color);
    margin-top: 1rem;
}
.support-block .support-label {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Радиокнопки в строку */
.radio-group-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    align-items: center;
}
.radio-group-inline .form-check {
    margin-bottom: 0;
}
.radio-group-inline .form-check-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
}

/* Карточка расчёта (правая колонка) */
.calc-card {
    position: sticky;
    top: 2rem;
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}
.calc-card .card-header {
    background: var(--primary);
    color: #fff;
    padding: 0.9rem 1.5rem;
    font-weight: 600;
    border: none;
}
.calc-card .card-body {
    padding: 1.5rem;
}

/* Строка в детальном расчёте */
.calc-item {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.92rem;
}
.calc-item .label {
    color: var(--text-secondary);
}
.calc-item .value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Итоговая сумма */
.calc-total {
    display: flex;
    justify-content: space-between;
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 2px solid var(--border-color);
    font-weight: 700;
    font-size: 1.1rem;
}
.calc-total .value {
    background: var(--primary-alpha);
    padding: 0 1.2rem;
    border-radius: 40px;
    color: var(--primary);
    font-size: 1.2rem;
}

/* Блок с множителем поддержки */
.calc-support {
    display: flex;
    justify-content: space-between;
    margin-top: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    padding: 0.3rem 0.8rem;
    border-radius: 30px;
}
.calc-support .value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Анимация итога */
@keyframes totalPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); color: var(--primary); }
    100% { transform: scale(1); }
}
.total-pop {
    animation: totalPop 0.4s ease;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 576px) {
    .service-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .service-item .badge-price {
        margin-left: 0;
    }
    .field-group {
        flex-direction: column;
        align-items: stretch;
    }
    .field-group input[type="number"] {
        width: 100%;
    }
    .support-block {
        flex-direction: column;
        align-items: stretch;
        gap: 0.8rem;
    }
    .radio-group-inline {
        gap: 0.8rem;
    }
    .calc-card {
        position: static;
        margin-top: 2rem;
    }
}