/* ==========================================================================
   БОЛЬ И ПАМЯТЬ СКВОЗЬ ГОДА — Стили сайта
   80 лет Победе в Великой Отечественной войне (1941–1945)
   ========================================================================== */

/* ========== ПЕРЕМЕННЫЕ И ОСНОВНЫЕ СТИЛИ ========== */

:root {
    /* Цветовая палитра */
    --color-primary: #1a1a2e;        /* Тёмно-синий (основной) */
    --color-secondary: #c41e3a;      /* Красный (акцент, День Победы) */
    --color-accent: #d4a574;         /* Золотисто-коричневый (история) */
    --color-neutral: #f5f5f5;        /* Светло-серый (фон) */
    --color-text: #333333;           /* Тёмный текст */
    --color-text-light: #666666;     /* Светлый текст */
    --color-border: #ddd;            /* Граница */
    --color-white: #ffffff;          /* Белый */
    --color-shadow: rgba(0, 0, 0, 0.1);
    
    /* Типографика */
    --font-heading: 'Georgia', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    
    /* Размеры */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Переходы */
    --transition: all 0.3s ease;
    
    /* Z-индексы */
    --z-dropdown: 1000;
    --z-modal: 2000;
    --z-lightbox: 3000;
}

/* Сброс и базовые стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
}

/* ========== КОНТЕЙНЕР ========== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========== ТИПОГРАФИКА ========== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: bold;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* ========== КНОПКИ ========== */

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font-family: var(--font-body);
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: #a01730;
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: #b5925d;
    text-decoration: none;
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
}

/* ========== HEADER И НАВИГАЦИЯ ========== */

.header {
    background-color: var(--color-primary);
    color: var(--color-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px var(--color-shadow);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo a {
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
}

.logo-text {
    display: block;
    font-size: 1.3rem;
}

.logo-subtitle {
    display: block;
    font-size: 0.9rem;
    color: var(--color-accent);
    margin-top: -0.2rem;
}

.navbar-logo a:hover {
    opacity: 0.9;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    flex-direction: row;
}

.nav-menu a {
    color: var(--color-white);
    font-weight: 500;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    padding-bottom: var(--spacing-sm);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-secondary);
    text-decoration: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: var(--spacing-sm);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ========== HERO SECTION ========== */

.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d3561 100%);
    color: var(--color-white);
    padding: var(--spacing-xxl) var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    min-height: 500px;
}

.hero-content h1 {
    color: var(--color-white);
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

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

.page-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d3561 100%);
    color: var(--color-white);
    padding: var(--spacing-xxl) var(--spacing-lg);
    text-align: center;
}

.page-hero h1 {
    color: var(--color-white);
}

.page-hero p {
    font-size: 1.2rem;
    color: var(--color-accent);
}

/* ========== ОСНОВНЫЕ СЕКЦИИ ========== */

.mission,
.resources-section,
.about-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background-color: var(--color-white);
}

.mission {
    background-color: var(--color-neutral);
}

.mission p {
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 800px;
}

/* ========== СЕТКА ИСТОРИЙ ========== */

.stories-grid,
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.story-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px var(--color-shadow);
    transition: var(--transition);
}

.story-card:hover {
    box-shadow: 0 4px 16px var(--color-shadow);
    transform: translateY(-4px);
}

.story-card h3 {
    margin-top: 0;
}

.story-date {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

/* ========== ВРЕМЕННАЯ ШКАЛА ========== */

.timeline {
    position: relative;
    padding: var(--spacing-xl) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--color-secondary);
    transform: translateX(-50%);
}

.timeline-event {
    margin-bottom: var(--spacing-xxl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.timeline-event:nth-child(odd) .timeline-marker {
    grid-column: 1;
    text-align: right;
}

.timeline-event:nth-child(odd) .timeline-content {
    grid-column: 2;
    grid-row: 1;
}

.timeline-event:nth-child(even) .timeline-marker {
    grid-column: 2;
    text-align: left;
}

.timeline-event:nth-child(even) .timeline-content {
    grid-column: 1;
    grid-row: 1;
}

.timeline-marker {
    display: flex;
    justify-content: center;
    align-items: center;
}

.event-year {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 50%;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    text-align: center;
}

.timeline-content {
    background: var(--color-neutral);
    padding: var(--spacing-lg);
    border-radius: 8px;
}

.timeline-details {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-secondary);
    margin: var(--spacing-md) 0;
    font-size: 0.95rem;
}

.timeline-sources {
    margin-top: var(--spacing-md);
}

.timeline-sources h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.timeline-sources ul {
    list-style: none;
    padding-left: 0;
}

.timeline-sources li {
    margin-bottom: var(--spacing-sm);
}

.timeline-sources a {
    color: var(--color-secondary);
}

/* ========== ПАМЯТНЫЕ ДАТЫ ========== */

.dates-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.date-item {
    background: var(--color-neutral);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--color-secondary);
}

.date-year {
    display: block;
    font-weight: bold;
    color: var(--color-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.date-event {
    display: block;
    font-size: 1rem;
    color: var(--color-text);
}

/* ========== МОДАЛЬНОЕ ОКНО ВОСПОМИНАНИЯ ========== */

.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s ease;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
}

.modal-close:hover {
    color: var(--color-secondary);
}

/* ========== ГАЛЕРЕЯ И ЛАЙТБОКС ========== */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    background-color: var(--color-neutral);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
    display: block;
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: brightness(0.9);
}

.gallery-item-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-item-caption {
    transform: translateY(0);
}

.lightbox {
    display: none;
    position: fixed;
    z-index: var(--z-lightbox);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-content {
    position: relative;
    max-width: 900px;
    max-height: 90vh;
    animation: slideUp 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
}

.lightbox-close:hover {
    color: var(--color-accent);
}

.lightbox-image {
    max-width: 100%;
    max-height: 70vh;
    display: block;
}

.lightbox-info {
    background: rgba(0, 0, 0, 0.7);
    color: var(--color-white);
    padding: var(--spacing-lg);
    text-align: center;
}

.source-attribution {
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
    color: var(--color-accent);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--color-white);
    border: none;
    padding: var(--spacing-md);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-nav:hover {
    background-color: var(--color-secondary);
}

.lightbox-prev {
    left: var(--spacing-md);
}

.lightbox-next {
    right: var(--spacing-md);
}

/* ========== ФИЛЬТРЫ ========== */

.memories-filters {
    background-color: var(--color-neutral);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.filter-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group label {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    font-weight: bold;
}

.filter-select {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 1rem;
    min-width: 150px;
}

/* ========== ФОРМА ========== */

.contact-form {
    max-width: 600px;
    margin-top: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 1rem;
    font-family: var(--font-body);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

/* ========== КОМАНДА ========== */

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.team-member {
    background: var(--color-neutral);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--color-secondary);
}

.team-member h3 {
    color: var(--color-secondary);
}

/* ========== ПРИНЦИПЫ ========== */

.principles-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.principle-item {
    background: var(--color-neutral);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-top: 4px solid var(--color-secondary);
}

.principle-item h3 {
    color: var(--color-primary);
}

/* ========== FAQ ========== */

.faq-list {
    margin-top: var(--spacing-lg);
}

.faq-item {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
}

.faq-item summary {
    padding: var(--spacing-lg);
    background-color: var(--color-neutral);
    cursor: pointer;
    font-weight: bold;
    user-select: none;
    transition: var(--transition);
}

.faq-item summary:hover {
    background-color: #eee;
}

.faq-item details[open] summary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.faq-item p {
    padding: var(--spacing-lg);
    background-color: var(--color-white);
}

/* ========== КОНТАКТЫ ========== */

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    background: var(--color-neutral);
    padding: var(--spacing-lg);
    border-radius: 8px;
}

.contact-item h3 {
    color: var(--color-secondary);
}

/* ========== CTA СЕКЦИЯ ========== */

.cta {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #a01730 100%);
    color: var(--color-white);
    padding: var(--spacing-xxl) var(--spacing-lg);
    text-align: center;
}

.cta h2 {
    color: var(--color-white);
}

.cta p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

/* ========== FOOTER ========== */

.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--color-white);
}

.footer-section a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: 0.9rem;
    color: #ccc;
}

/* ========== АНИМАЦИИ ========== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== АДАПТИВНЫЙ ДИЗАЙН ========== */

/* Планшет (768px и выше) */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: var(--spacing-xl) var(--spacing-lg);
        min-height: auto;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-primary);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-event {
        grid-template-columns: 1fr;
    }

    .timeline-event:nth-child(odd) .timeline-marker,
    .timeline-event:nth-child(even) .timeline-marker {
        grid-column: 1;
        text-align: left;
        margin-bottom: var(--spacing-md);
    }

    .timeline-event:nth-child(odd) .timeline-content,
    .timeline-event:nth-child(even) .timeline-content {
        grid-column: 1;
        margin-left: 100px;
    }

    .event-year {
        width: 80px;
        height: 80px;
        font-size: 1rem;
    }

    .stories-grid,
    .grid {
        grid-template-columns: 1fr;
    }
}

/* Мобильные устройства (max-width: 480px) */
@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .logo-text {
        font-size: 1rem;
    }

    .logo-subtitle {
        font-size: 0.75rem;
    }

    .filter-group {
        flex-direction: column;
    }

    .filter-select {
        width: 100%;
    }

    .modal-content {
        max-width: 100%;
        max-height: 90vh;
        margin: var(--spacing-md);
    }

    .lightbox-nav {
        padding: var(--spacing-sm);
        font-size: 1.2rem;
    }

    .lightbox-prev {
        left: var(--spacing-sm);
    }

    .lightbox-next {
        right: var(--spacing-sm);
    }

    .contact-form {
        max-width: 100%;
    }

    .date-item,
    .team-member,
    .principle-item,
    .contact-item {
        padding: var(--spacing-md);
    }
}

/* ========== УТИЛИТЫ ========== */

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-text-light);
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xxl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xxl); }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}