/**
 * Responsive Media Queries - Mobile-First Adaptive Styles
 * Полная переработка адаптивной верстки
 */

/* ========================================
   BREAKPOINT: < 1160px
   ======================================== */
@media (max-width: 1160px) {
    
    /* Контейнер */
    .container {
        padding: 0 var(--space-lg);
    }
    
    /* Header Navigation - Hide menu, show toggle button */
    .nav-toggle {
        display: flex;
        position: relative;
        z-index: 1001;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(13, 13, 13, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 0;
        padding: var(--space-2xl);
        opacity: 0;
        visibility: hidden;
        transform: scale(0.95);
        transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                    transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                    visibility 0.4s;
        z-index: 1000;
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: scale(1);
    }
    
    .nav-menu li {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
        margin: var(--space-sm) 0;
    }
    
    .nav-menu.active li {
        opacity: 1;
        transform: translateY(0);
    }
    
    .nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active li:nth-child(2) { transition-delay: 0.15s; }
    .nav-menu.active li:nth-child(3) { transition-delay: 0.2s; }
    .nav-menu.active li:nth-child(4) { transition-delay: 0.25s; }
    .nav-menu.active li:nth-child(5) { transition-delay: 0.3s; }
    .nav-menu.active li:nth-child(6) { transition-delay: 0.35s; }
    
    .nav-link {
        font-size: 1.5rem;
        padding: var(--space-lg) var(--space-xl);
        width: auto;
        min-width: 280px;
        justify-content: center;
        border-radius: var(--radius-lg);
    }
    
    .nav-link i {
        font-size: 1.2rem;
    }
    
    .nav-auth {
        position: fixed;
        /* bottom: var(--space-2xl); */
        left: 50%;
        transform: translateX(-50%);
        z-index: 1001;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease 0.4s, visibility 0.3s;
    }
    
    .nav-menu.active ~ .nav-auth {
        opacity: 1;
        visibility: visible;
    }
    
    body.nav-open {
        overflow: hidden;
    }

    /* Главная страница - Bento Grid */
    .bento-profile {
        grid-column: span 12;
    }

    .bento-quick {
        grid-column: span 12;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .quick-card {
        flex: 1 1 calc(50% - var(--space-lg) / 2);
        min-width: 200px;
    }

    /* Технологический стек - исправление выравнивания */
    .bento-skills,
    .skills-full {
        grid-column: span 12;
    }

    .skills-categories {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        justify-items: stretch;
    }

    .skill-category {
        width: 100%;
    }

    /* Карточки проектов - приведение к единому размеру */
    /*.project-card.featured,
    .project-card.regular,
    .project-card.small {
        grid-column: span 6;
    }*/

    .project-card.featured {
        display: flex;
        flex-direction: column;
    }

    .project-card.featured .project-image {
        height: 240px;
        min-height: 240px;
    }

    /* Достижения - переход на 2 колонки */
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* About страница */
    .about-bio {
        grid-column: span 12;
    }

    .about-stats {
        grid-column: span 12;
    }

    .timeline-card {
        grid-column: span 12;
    }

    .languages-card {
        grid-column: span 6;
    }

    /* Blog */
    .blog-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    /* Contacts */
    .contact-bento {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   BREAKPOINT: < 992px
   ======================================== */
@media (max-width: 992px) {

    /* Ensure menu functionality */
    .nav-menu {
        background: rgba(13, 13, 13, 0.99);
    }
    
    .nav-link {
        font-size: 1.4rem;
        min-width: 260px;
    }

    /* Главная - центрирование "Backend Developer" */
    .profile-info {
        text-align: center;
    }

    .profile-title {
        justify-content: center;
    }

    .profile-buttons {
        justify-content: center;
    }

    /* Quick Cards */
    .quick-card {
        flex: 1 1 calc(50% - var(--space-lg) / 2);
    }

    /* Карточки проектов */
    /*.project-card.featured,
    .project-card.regular,
    .project-card.small {
        grid-column: span 6;
    }*/

    /* Skills Full */
    .skills-full-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }

    /* About страница */
    .about-bento > .bento-card {
        grid-column: span 12 !important;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Filters */
    .filters-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-lg);
    }

    .filter-group {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .filter-buttons {
        width: 100%;
        justify-content: flex-start;
    }

    .filter-select {
        width: 100%;
    }
769}

/* ========================================
   BREAKPOINT: < 768px
   ======================================== */
@media (max-width: 768px) {

    /* Общие отступы */
    :root {
        --container-padding: 1rem;
    }

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

    /* Navigation adjustments */
    .nav-link {
        font-size: 1.25rem;
        min-width: 240px;
        padding: var(--space-md) var(--space-lg);
    }
    
    .nav-user-name,
    .btn-text {
        display: none;
    }

    /* Hero и Page Headers */
    .bento-hero {
        padding-top: 90px;
        min-height: auto;
    }

    .page-header {
        padding-top: calc(90px + var(--space-xl));
        padding-bottom: var(--space-xl);
    }

    .article-full {
        padding-top: 90px;
    }

    /* Профиль на главной */
    .bento-profile {
        flex-direction: column;
        text-align: center;
        padding: var(--space-xl);
    }

    /*.profile-photo img {
        width: 150px;
        height: 150px;
    }*/

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

    .profile-buttons {
        flex-direction: column;
        width: 100%;
    }

    .profile-buttons .btn {
        width: 100%;
    }

    /* Карточки проектов - одна колонка */
    .project-card.featured,
    .project-card.regular,
    .project-card.small {
        grid-column: span 12;
    }

    .github-cta {
        grid-column: span 12;
    }

    /* GitHub CTA секция */
    .github-cta-card {
        flex-direction: column;
        text-align: center;
        gap: var(--space-lg);
    }

    /* Достижения - новая компоновка */
    .achievements-grid {
        grid-template-columns: 1fr;
    }

    .achievement-card {
        display: grid;
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto;
        gap: var(--space-md);
        align-items: start;
        text-align: left;
    }

    .achievement-icon {
        grid-column: 1;
        grid-row: 1;
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }

    .achievement-content {
        grid-column: 2;
        grid-row: 1 / 3;
    }

    .achievement-title {
        margin-bottom: var(--space-sm);
    }

    /* Blog */
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .search-form {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .categories-list {
        justify-content: flex-start;
    }

    /* Article Detail */
    .article-meta-full {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .article-meta-items {
        flex-wrap: wrap;
        gap: var(--space-md);
    }

    .article-footer-full {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-lg);
    }

    .article-reactions,
    .article-share {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .reactions-buttons,
    .share-buttons {
        width: 100%;
        justify-content: flex-start;
    }

    /* Related Articles */
    .related-grid {
        grid-template-columns: 1fr;
    }

    /* About страница */
    .about-bio-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-lg);
    }

    .about-bio-actions {
        flex-direction: column;
        width: 100%;
    }

    .about-bio-actions .btn {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Contacts */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* CTA Section */
    .cta-section {
        padding: var(--space-xl);
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    /* Messages */
    .messages-container {
        right: var(--space-md);
        left: var(--space-md);
        max-width: none;
    }

    /* Back to Top */
    .back-to-top {
        bottom: var(--space-md);
        right: var(--space-md);
        width: 44px;
        height: 44px;
    }

    /* Footer */
    .footer-minimal-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }

    /* Pagination */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    /* Gallery */
    .carousel-container {
        min-height: 300px;
    }

    .carousel-slide img {
        max-height: 300px;
    }

    .gallery-collage {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Links */
    .links-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   BREAKPOINT: < 576px
   ======================================== */
@media (max-width: 576px) {

    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    /* Navigation */
    .nav-link {
        font-size: 1.1rem;
        min-width: 200px;
    }

    /* Profile */
    /*.profile-photo img {
        width: 120px;
        height: 120px;
    }*/

    /* Quick Cards */
    .quick-card {
        flex: 1 1 100%;
    }

    /* Skills */
    .skills-categories {
        grid-template-columns: 1fr;
    }

    .skills-full-grid {
        grid-template-columns: 1fr;
    }

    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr;
    }

    /* Social Links */
    .social-icons-inline {
        gap: var(--space-md);
        justify-content: center;
    }

    .social-icon-link {
        font-size: 1.25rem;
    }

    /* Share Buttons */
    .share-buttons {
        flex-wrap: wrap;
    }

    /* Pagination */
    .pagination-numbers {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-xs);
    }

    .pagination-num,
    .pagination-btn {
        min-width: 36px;
        height: 36px;
        padding: 0;
    }

    /* Gallery */
    .carousel-container {
        min-height: 250px;
    }

    .carousel-slide img {
        max-height: 250px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
    }

    .gallery-collage {
        grid-template-columns: 1fr;
    }

    /* Error Pages */
    .error-code {
        font-size: 4rem;
    }
}

/* ========================================
   BREAKPOINT: < 400px
   ======================================== */
@media (max-width: 400px) {

    /* Достижения - вертикальная компоновка */
    .achievement-card {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        text-align: center;
        gap: var(--space-md);
    }

    .achievement-icon {
        grid-column: 1;
        grid-row: 1;
        justify-self: center;
        margin: 0 auto;
    }

    .achievement-content {
        grid-column: 1;
        grid-row: 2;
    }

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

    .achievement-subtitle,
    .achievement-excerpt,
    .achievement-date {
        text-align: center;
    }

    /* Typography */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.35rem; }

    /* Buttons */
    .btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.85rem;
    }

    /* Navigation */
    .nav-link {
        font-size: 1rem;
        min-width: 180px;
        padding: var(--space-sm) var(--space-md);
    }

    /* Profile */
    /*.profile-photo img {
        width: 100px;
        height: 100px;
    }*/

    /* CTA Section */
    .cta-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    /* Carousel */
    .carousel-container {
        min-height: 200px;
    }

    .carousel-slide img {
        max-height: 200px;
    }

    .carousel-btn {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

    .carousel-prev {
        left: var(--space-sm);
    }

    .carousel-next {
        right: var(--space-sm);
    }

    /* Article Body */
    .article-body {
        font-size: 1rem;
    }

    /* Messages */
    .message {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.85rem;
    }
}

/* ========================================
   LANDSCAPE ORIENTATION
   ======================================== */
@media (max-height: 600px) and (orientation: landscape) {
    .nav-menu {
        padding: var(--space-lg);
        justify-content: flex-start;
        overflow-y: auto;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: var(--space-sm) var(--space-md);
    }
    
    .nav-auth {
        position: relative;
        transform: none;
        bottom: auto;
        left: auto;
        margin-top: var(--space-lg);
    }
}