/* ==========================================================================
   1. ПЕРЕМЕННЫЕ (светлая и тёмная темы)
   ========================================================================== */
:root {
    --color-bg: #ffffff;
    --color-text: #1f2937;
    --color-text-light: #4b5563;
    --color-accent: #1e88e5;
    --color-accent-hover: #1976d2;
    --color-light: #f3f4f6;
    --color-border: #e5e7eb;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --card-bg: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 1rem;
    --radius-sm: 0.5rem;
    --transition: all 0.2s ease;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

.dark-mode {
    --color-bg: #0f172a;
    --color-text: #e2e8f0;
    --color-text-light: #94a3b8;
    --color-accent: #3b82f6;
    --color-accent-hover: #2563eb;
    --color-light: #1e293b;
    --color-border: #334155;
    --card-bg: #1e293b;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   2. БАЗОВЫЕ СТИЛИ
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.main-content {
    padding: 3rem 0;
}

.page-section {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.content-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

/* ==========================================================================
   3. ТИПОГРАФИКА
   ========================================================================== */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.institution-name {
    text-align: center;
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.structure-description {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text);
    max-width: 48rem;
    margin: 0 auto;
}

.spo-subtitle {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-border);
    position: relative;
}

.spo-subtitle::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 3rem;
    height: 2px;
    background-color: var(--color-accent);
    border-radius: 1px;
}

/* ==========================================================================
   4. РУКОВОДСТВО (новая вертикальная компоновка)
   ========================================================================== */
.management-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.management-card {
    background-color: var(--card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
    text-align: center;
}

.management-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-accent);
}

.management-card__name {
    margin-bottom: 1rem;
}

.name-surname,
.name-first,
.name-middle {
    display: block;
    font-weight: 500;
    line-height: 1.3;
}

.name-surname {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.2rem;
}

.name-first {
    font-size: 1rem;
    color: var(--color-text-light);
}

.name-middle {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-top: 0.1rem;
}

.management-card__position {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.management-card__rate {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px dashed var(--color-border);
}

.management-card__contacts {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

.management-card__contacts .contact-link {
    font-size: 0.85rem;
    color: var(--color-text-light);
    text-decoration: none;
    transition: var(--transition);
}

.management-card__contacts .contact-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ==========================================================================
   5. АККОРДЕОНЫ (подразделения)
   ========================================================================== */
.departments-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.department-accordion {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
}

.department-accordion:hover {
    box-shadow: var(--shadow-hover);
}

.accordion-header {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: background-color 0.2s;
    user-select: none;
}

.accordion-header:hover {
    background-color: var(--color-light);
}

.header-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.header-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-light);
    border-radius: 50%;
    color: var(--color-accent);
    font-size: 1.25rem;
    transition: var(--transition);
}

.accordion-header:hover .header-icon {
    background-color: var(--color-accent);
    color: white;
}

.header-text {
    flex: 1;
}

.accordion-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.header-text p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin: 0;
}

.header-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.employee-count {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    background-color: rgba(30, 136, 229, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    white-space: nowrap;
}

.accordion-icon {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    transition: transform 0.3s ease;
}

.department-accordion.is-active .accordion-icon {
    transform: rotate(180deg);
    color: var(--color-accent);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-top: 1px solid transparent;
}

.department-accordion.is-active .accordion-content {
    max-height: 2000px;
    border-top-color: var(--color-border);
}

.department-content {
    padding: 1.5rem;
}

.department-details h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.employee-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.employee-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background-color: var(--color-light);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.employee-item:hover {
    transform: translateX(4px);
    background-color: var(--color-border);
}

.employee-number {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.employee-details {
    flex: 1;
}

.employee-name {
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.4;
}

.employee-units {
    font-size: 0.75rem;
    color: var(--color-accent);
    margin-top: 0.25rem;
}

/* ==========================================================================
   6. КОНТАКТЫ
   ========================================================================== */
.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.contact-card {
    background-color: var(--card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.contact-icon {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.contact-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.contact-card p {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.contact-phone-link, .contact-email-link {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.contact-phone-link:hover, .contact-email-link:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   7. АДАПТАЦИЯ ДЛЯ МОБИЛЬНЫХ УСТРОЙСТВ
   ========================================================================== */
@media (max-width: 768px) {
    .page-section {
        padding: 0 1rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .spo-subtitle {
        font-size: 1.5rem;
        text-align: center;
    }
    .spo-subtitle::before {
        left: 50%;
        transform: translateX(-50%);
        width: 4rem;
    }
    .management-grid {
        gap: 1rem;
    }
    .management-card {
        padding: 1.25rem 1rem;
    }
    .name-surname {
        font-size: 1.2rem;
    }
    .name-first, .name-middle {
        font-size: 0.9rem;
    }
    .accordion-header {
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
    }
    .header-content {
        width: 100%;
    }
    .header-stats {
        width: 100%;
        justify-content: space-between;
        margin-top: 0.5rem;
    }
    .employee-item {
        gap: 0.75rem;
        padding: 0.5rem;
    }
    .employee-number {
        width: 1.75rem;
        height: 1.75rem;
        font-size: 0.75rem;
    }
    .employee-name {
        font-size: 0.875rem;
    }
    .employee-units {
        font-size: 0.7rem;
    }
    .contacts-grid {
        gap: 1rem;
    }
    .contact-card {
        padding: 1rem;
    }
}

/* ==========================================================================
   8. УМЕНЬШЕНИЕ АНИМАЦИЙ
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}