/* =====================
   PAGE: PROJECTS
===================== */

/* HEADER - ЕДИНЫЙ С ГЛАВНОЙ */
.page-projects .main-header {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    min-height: 140px;
}

.page-projects .nav-container {
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    position: relative;
}

.page-projects .header-info {
    flex: 1;
    text-align: center;
    margin: 0 2rem;
}

.page-projects .header-info h1 {
    color: var(--primary-dark);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.page-projects .header-info h1::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-accent), var(--primary-accent-light));
    border-radius: 2px;
}

.page-projects .header-info p {
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-top: 10px;
}

/* ФИКС 1: КНОПКИ НАВИГАЦИИ - ВОССТАНАВЛИВАЕМ */
.page-projects .nav-buttons {
    display: flex;
    gap: 15px;
    padding: 10px 20px;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.page-projects .nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--border-light);
    cursor: pointer;
    white-space: nowrap;
    background: var(--bg-white);
    color: var(--primary-accent);
    box-shadow: var(--shadow);
}

.page-projects .nav-btn:hover {
    background: linear-gradient(135deg, var(--primary-accent), var(--primary-accent-light));
    color: white;
    border-color: var(--primary-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* ФИКС 2: БУРГЕР МЕНЮ ДЛЯ МОБИЛЬНОЙ ВЕРСИИ */
.page-projects .mobile-menu-toggle {
    display: none; /* По умолчанию скрыт */
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-accent), var(--primary-accent-light));
    color: white;
    border: none;
    padding: 10px 16px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.9rem;
    box-shadow: var(--shadow);
    border-radius: 8px;
    transition: var(--transition);
}

.page-projects .mobile-menu-toggle:hover {
    background: linear-gradient(135deg, var(--primary-accent-light), var(--primary-accent));
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.page-projects .mobile-menu-toggle.active {
    background: linear-gradient(135deg, var(--secondary-accent), var(--secondary-accent-dark));
}

.page-projects .mobile-menu-toggle i {
    margin-right: 6px;
    font-size: 0.9rem;
}

.page-projects .menu-wrapper {
    position: relative;
}

/* Специфичные стили портфолио */
.page-projects #portfolio {
    background: var(--bg-light);
    padding: 60px 20px;
}

/* ФИКС 2: ФИЛЬТРЫ ПОРТФОЛИО - ВОССТАНАВЛИВАЕМ */
.page-projects .portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background: var(--neutral-sand);
    border-top: 1px solid var(--border-light);
    transition: var(--transition);
    margin-bottom: 30px;
}

.page-projects .filter-btn {
    padding: 12px 24px;
    background: var(--bg-white);
    border: 2px solid var(--border-light);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-dark);
    box-shadow: var(--shadow);
    font-family: inherit;
}

.page-projects .filter-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-accent);
    background: rgba(230, 126, 34, 0.05);
}

.page-projects .filter-btn.active,
.page-projects .filter-btn.active:hover {
    background: linear-gradient(135deg, var(--primary-accent), var(--primary-accent-light));
    color: white;
    border-color: var(--primary-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-strong);
}

/* ФИКС 3-4: ГРИД ПОРТФОЛИО - ИСПРАВЛЯЕМ РАСТЯГИВАНИЕ */
.page-projects .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    align-items: stretch;
    justify-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.page-projects .portfolio-item {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-slow);
    box-shadow: var(--shadow);
    position: relative;
    cursor: pointer;
    border: 2px solid transparent;
    background: linear-gradient(var(--bg-white), var(--bg-white)) padding-box,
                linear-gradient(135deg, rgba(230, 126, 34, 0.1), rgba(44, 62, 80, 0.05)) border-box;
    width: 100%;
    max-width: 100%;
    height: auto;
}

.page-projects .portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
    border-color: var(--border-accent);
}

.page-projects .portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.page-projects .portfolio-item:hover img {
    transform: scale(1.05);
}

/* Эффекты карточек портфолио */
.page-projects .portfolio-item:hover h3 {
    color: var(--primary-accent);
}

.page-projects .portfolio-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    padding: 20px 20px 10px;
    color: var(--text-dark);
    transition: var(--transition);
}

.page-projects .portfolio-item p {
    font-size: 1rem;
    color: var(--text-medium);
    padding: 0 20px 20px;
    margin-top: auto;
    line-height: 1.6;
}

/* Индикатор видео на карточке */
.page-projects .portfolio-item[data-has-video="true"]::before {
    content: '\f144';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(44, 62, 80, 0.85);
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.page-projects .portfolio-item[data-has-video="true"]:hover::before {
    background: var(--primary-accent);
    transform: scale(1.1);
}

/* ФИКС: Организация папок - правильные отступы */
.page-projects .portfolio-grid .portfolio-item:nth-child(n+4) {
    margin-top: 0;
}

/* LIGHTBOX */
.page-projects .lightbox {
    position: fixed;
    inset: 0;
    display: none;
    z-index: 1000;
    overflow: auto;
    background: rgba(44, 62, 80, 0.97);
}

.page-projects .lightbox.open {
    display: block;
}

.page-projects .lightbox .close {
    position: fixed;
    top: 25px;
    right: 30px;
    font-size: 36px;
    cursor: pointer;
    color: white;
    z-index: 1001;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    width: 55px;
    height: 55px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.page-projects .lightbox .close:hover {
    background: linear-gradient(135deg, var(--secondary-accent), var(--secondary-accent-dark));
    transform: scale(1.1);
}

/* PREVIEW MODE */
.page-projects .lightbox .preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 200px));
    justify-content: center;
    gap: 20px;
    padding: 100px 30px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.page-projects .media-thumbnail {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 3px solid transparent;
    background: var(--bg-white);
    box-shadow: var(--shadow);
}

.page-projects .media-thumbnail:hover {
    transform: scale(1.08);
    box-shadow: 0 12px 32px rgba(230, 126, 34, 0.3);
    border-color: var(--primary-accent);
}

.page-projects .media-thumbnail img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.page-projects .media-thumbnail:hover img {
    transform: scale(1.05);
}

/* Видео-миниатюра */
.page-projects .media-thumbnail.video-thumbnail {
    border: none;
}

/* Кнопка play в миниатюрах */
.page-projects .media-thumbnail .play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    line-height: 1;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    pointer-events: none;
    transition: var(--transition);
}

.page-projects .media-thumbnail:hover .play-icon {
    background: linear-gradient(135deg, var(--secondary-accent), var(--secondary-accent-dark));
    transform: translate(-50%, -50%) scale(1.1);
}

/* VIEWER MODE */
.page-projects .lightbox .viewer {
    display: none;
    position: relative;
    padding-top: 90px;
}

.page-projects #viewerImage {
    display: block;
    max-width: 90%;
    max-height: 80vh;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 15px;
    border-radius: 16px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
}

.page-projects #viewerVideo {
    display: none;
    max-width: 90vw;
    max-height: 80vh;
    margin: 0 auto;
    background: #000;
    border-radius: 16px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.6);
    position: relative;
}

/* Навигационные кнопки в viewer */
.page-projects .lightbox .viewer button.prev,
.page-projects .lightbox .viewer button.next {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    font-size: 50px;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    border: none;
    cursor: pointer;
    color: white;
    z-index: 1001;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.page-projects .lightbox .viewer button.prev { left: 25px; }
.page-projects .lightbox .viewer button.next { right: 25px; }

.page-projects .lightbox .viewer button:hover {
    background: linear-gradient(135deg, var(--secondary-accent), var(--secondary-accent-dark));
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

/* Сообщения */
.page-projects .loading-text,
.page-projects .no-images {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px;
    font-size: 1.3rem;
    color: white;
    font-family: "Roboto", sans-serif;
}

.page-projects .no-images {
    padding: 80px 20px;
    color: rgba(255, 255, 255, 0.85);
}

.page-projects .no-images i {
    font-size: 60px;
    margin-bottom: 20px;
    display: block;
    color: var(--primary-accent);
}

/* FOOTER */
.page-projects footer {
    background: linear-gradient(135deg, var(--primary-dark), #34495E);
    color: var(--bg-white);
    padding: 40px 20px;
    text-align: center;
    width: 100%;
    border-top: 6px solid var(--primary-accent);
    position: relative;
    overflow: hidden;
}

/* ===== ДЕСКТОПНАЯ ВЕРСИЯ (969px и выше) ===== */
@media (min-width: 969px) {
    .page-projects .nav-buttons {
        justify-content: space-between;
        position: absolute;
        left: 0;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        padding: 0 40px;
        pointer-events: none;
    }
    
    .page-projects .nav-btn {
        pointer-events: auto;
        z-index: 1;
    }
    
    .page-projects .nav-btn:first-child {
        align-self: flex-start;
    }
    
    .page-projects .nav-btn:last-child {
        align-self: flex-end;
    }
    
    .page-projects .mobile-menu-toggle {
        display: none;
    }
    
    .page-projects .header-info p {
        font-size: 0.95rem;
        line-height: 1.3;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* ===== МОБИЛЬНАЯ ВЕРСИЯ (до 968px) ===== */
@media (max-width: 968px) {
    .page-projects .nav-container {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.75rem;
        padding-bottom: 0.5rem;
        min-height: 80px;
    }
    
    .page-projects .nav-buttons {
        flex-direction: row;
        flex-wrap: wrap;
        padding: 10px;
        gap: 8px;
        justify-content: center;
        margin-bottom: 10px;
    }
    
    .page-projects .nav-btn {
        flex: 1;
        min-width: 130px;
        padding: 10px 15px;
        font-size: 0.85rem;
        text-align: center;
        white-space: normal; /* ОБНОВЛЕНИЕ: разрешаем перенос текста */
        word-wrap: break-word; /* ОБНОВЛЕНИЕ: разрешаем разрыв слов */
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.3rem;
        line-height: 1.1;
    }
    
    /* ИКОНКИ В КНОПКАХ - ВСЕГДА ВИДНЫ (как на странице video.css) */
    .page-projects .nav-btn i {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.75rem;
        flex-shrink: 0;
        min-width: 12px;
    }
    
    .page-projects .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: auto;
        order: 3;
        margin-top: 0.5rem;
        padding: 8px 14px;
        font-size: 0.85rem;
        align-self: center;
    }
    
    .page-projects .mobile-menu-toggle i {
        margin-right: 5px;
        font-size: 0.8rem;
    }
    
    .page-projects .header-info {
        margin: 0;
        order: 2;
        width: 100%;
    }
    
    .page-projects .header-info h1 {
        font-size: 1.1rem;
        margin-bottom: 0.3rem;
        margin-top: 0.3rem;
    }
    
    .page-projects .header-info p {
        font-size: 0.85rem;
        line-height: 1.2;
        margin-bottom: 0;
    }
    
    /* ФИЛЬТРЫ ПОРТФОЛИО - МОБИЛЬНАЯ ВЕРСИЯ */
    .page-projects .portfolio-filters {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        padding: 0.8rem 1rem;
        background: var(--bg-white);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        transform: translateY(-15px);
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        border-top: none;
        border-radius: 0 0 12px 12px;
        z-index: 99;
        margin-bottom: 0;
    }
    
    .page-projects .portfolio-filters.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        max-height: 400px;
        transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.1);
        margin-bottom: 20px;
    }
    
    .page-projects .filter-btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .page-projects .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
    }
}

/* МОБИЛЬНАЯ ВЕРСИЯ 768px */
@media (max-width: 768px) {
    .page-projects .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-projects .portfolio-item img {
        height: 200px;
    }

    .page-projects .lightbox .preview {
        grid-template-columns: repeat(auto-fit, minmax(150px, 150px));
        gap: 16px;
        padding-top: 90px;
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .page-projects .lightbox .viewer button.prev,
    .page-projects .lightbox .viewer button.next {
        width: 55px;
        height: 55px;
        font-size: 35px;
    }
    
    .page-projects .lightbox .viewer button.prev {
        left: 15px;
    }
    
    .page-projects .lightbox .viewer button.next {
        right: 15px;
    }
}

/* МОБИЛЬНАЯ ВЕРСИЯ 480px */
@media (max-width: 480px) {
    .page-projects .portfolio-filters {
        padding: 0.6rem 0.8rem;
        gap: 6px;
    }
    
    .page-projects .filter-btn {
        padding: 8px 14px;
        font-size: 0.85rem;
        max-width: 260px;
    }
    
    .page-projects .nav-btn {
        padding: 8px 10px;
        font-size: 0.8rem;
        min-width: 100px;
        white-space: normal;
        word-wrap: break-word;
        line-height: 1.1;
    }
    
    /* ИКОНКИ МЕНЬШЕ, НО ВСЕ ЕЩЕ ВИДНЫ (как на странице video.css) */
    .page-projects .nav-btn i {
        font-size: 0.7rem;
    }
    
    .page-projects .mobile-menu-toggle {
        padding: 7px 12px;
        font-size: 0.8rem;
    }
    
    .page-projects .mobile-menu-toggle i {
        margin-right: 4px;
        font-size: 0.85rem;
    }
    
    .page-projects .header-info h1 {
        font-size: 1.3rem;
    }
    
    .page-projects .header-info p {
        font-size: 0.85rem;
    }
    
    .page-projects .portfolio-item img {
        height: 180px;
    }
    
    .page-projects .lightbox .preview {
        grid-template-columns: repeat(auto-fit, minmax(120px, 120px));
        gap: 12px;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .page-projects .media-thumbnail img {
        height: 120px;
    }
    
    .page-projects #viewerImage,
    .page-projects #viewerVideo {
        max-width: 95%;
        padding: 10px;
    }
    
    .page-projects .lightbox .close {
        top: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 30px;
    }
}

/* МОБИЛЬНАЯ ВЕРСИЯ 375px */
@media (max-width: 375px) {
    .page-projects .nav-btn {
        padding: 0.4rem 0.5rem;
        font-size: 0.65rem;
        gap: 0.2rem;
        min-width: 90px;
        white-space: normal;
        word-wrap: break-word;
        line-height: 1.1;
    }
    
    /* ИКОНКИ ЕЩЕ МЕНЬШЕ, НО ВСЕ ЕЩЕ ВИДНЫ (как на странице video.css) */
    .page-projects .nav-btn i {
        font-size: 0.65rem;
    }
    
    .page-projects .mobile-menu-toggle {
        padding: 4px 8px;
        font-size: 0.7rem;
    }
    
    .page-projects .mobile-menu-toggle i {
        font-size: 0.7rem;
    }
}

/* Анимация загрузки */
.page-projects img[loading] {
    background: linear-gradient(90deg, var(--neutral-sand) 25%, var(--neutral-beige) 50%, var(--neutral-sand) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}