/* ===== CSS ПЕРЕМЕННЫЕ И БАЗОВЫЕ СТИЛИ ===== */
:root {
    color-scheme: light dark;
    
    /* Кровавая красная тема */
    --color-blood-primary: #1a0000;
    --color-blood-secondary: #2a0000;
    --color-blood-accent: #ff0000;
    --color-blood-accent-dark: #cc0000;
    --color-blood-accent-light: #ff3333;
    --color-blood-text-primary: #ffffff;
    --color-blood-text-secondary: #cccccc;
    --color-blood-text-muted: #999999;
    --color-blood-card-bg: rgba(42, 0, 0, 0.9);
    --color-blood-container-bg: #1a0000;
    --color-blood-bg-primary: #0a0000;
    --color-blood-bg-secondary: #1a0000;
    --color-blood-border: rgba(255, 0, 0, 0.4);
    --color-blood-shadow: rgba(0, 0, 0, 0.6);
    
    /* Текущие цвета (кровавая тема по умолчанию) */
    --color-primary: var(--color-blood-primary);
    --color-secondary: var(--color-blood-secondary);
    --color-accent: var(--color-blood-accent);
    --color-accent-dark: var(--color-blood-accent-dark);
    --color-accent-light: var(--color-blood-accent-light);
    --color-text-primary: var(--color-blood-text-primary);
    --color-text-secondary: var(--color-blood-text-secondary);
    --color-text-muted: var(--color-blood-text-muted);
    --color-card-bg: var(--color-blood-card-bg);
    --color-container-bg: var(--color-blood-container-bg);
    --color-bg-primary: var(--color-blood-bg-primary);
    --color-bg-secondary: var(--color-blood-bg-secondary);
    --color-border: var(--color-blood-border);
    --color-shadow: var(--color-blood-shadow);
    
    --shadow-glow: 0 0 30px rgba(255, 0, 0, 0.3);
    --shadow-hover: 0 15px 35px rgba(255, 0, 0, 0.4);
    
    /* Типографика */
    --font-family-base: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --transition-normal: 0.3s ease;
}

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

html, body {
    height: 100%;
}

body {
    font-family: var(--font-family-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    min-height: 100vh;
    transition: var(--transition-normal);
    font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

.page-container {
    min-height: 100vh;
    min-height: 100svh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    background: var(--color-container-bg);
}

/* ===== SKIP LINK ===== */
.skip-link {
    position: absolute;
    left: 1rem;
    top: -100%;
    z-index: 10000;
    padding: .5rem .75rem;
    background: #111;
    color: #fff;
    border-radius: .5rem;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid #ff0000;
}

.skip-link:focus,
.skip-link:focus-visible {
    top: 1rem;
    outline: 3px solid #ff0000;
    outline-offset: 2px;
}

/* ===== FOCUS VISIBLE ===== */
:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

a, button, input, textarea, .nav-link {
    outline-offset: 2px;
}

/* ===== VISUALLY HIDDEN ===== */
.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== HEADER ===== */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-accent);
    box-shadow: 0 2px 10px var(--color-shadow);
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.7);
    position: sticky;
    top: 0;
    padding-top: calc(.75rem + env(safe-area-inset-top));
    padding-bottom: .75rem;
    padding-left: calc(1rem + env(safe-area-inset-left));
    padding-right: calc(1rem + env(safe-area-inset-right));
    isolation: isolate;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--color-accent);
    text-decoration: none;
    padding: 0.75rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: 500;
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid var(--color-border);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.nav-link:hover,
.nav-link.active,
.nav-link[aria-current="page"] {
    background: rgba(255, 0, 0, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.4);
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.8);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: var(--color-card-bg);
    border-radius: 15px;
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--color-border);
}

.hero-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: center;
}

.photo-container {
    display: flex;
    justify-content: center;
}

.hero__photo {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.3);
    border: 3px solid var(--color-accent);
    transition: var(--transition-normal);
}

.hero__photo:hover {
    transform: scale(1.05);
    border-color: var(--color-accent-light);
    box-shadow: 0 8px 25px rgba(255, 0, 0, 0.5);
}

.hero-text h2 {
    font-size: clamp(1.5rem, 1.1rem + 2vw, 2.5rem);
    margin-bottom: 1rem;
    color: var(--color-accent);
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

.subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--color-text-primary);
    max-width: 65ch;
}

/* ===== BUTTONS ===== */
.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: white;
    padding: max(.5rem, calc((44px - 1em)/2)) 30px;
    border: none;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
    min-height: 44px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 0, 0, 0.5);
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
}

.btn-secondary {
    background: transparent;
    color: var(--color-accent);
    padding: max(.5rem, calc((44px - 1em)/2)) 30px;
    border: 2px solid var(--color-accent);
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.2);
    min-height: 44px;
}

.btn-secondary:hover {
    background: var(--color-accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 0, 0, 0.4);
}

/* ===== SECTIONS ===== */
.section-title {
    font-size: clamp(1.5rem, 1.1rem + 2vw, 2rem);
    text-align: center;
    margin-bottom: 3rem;
    color: var(--color-accent);
    position: relative;
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

.page-title {
    font-size: clamp(2rem, 1.5rem + 2vw, 2.5rem);
    text-align: center;
    margin-bottom: 3rem;
    color: var(--color-accent);
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

/* ===== SKILLS SECTION ===== */
.skills-section {
    background: var(--color-card-bg);
    border-radius: 15px;
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--color-border);
}

.skills-container {
    max-width: 600px;
    margin: 0 auto;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.skill-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

.skill-percent {
    color: var(--color-accent);
    font-weight: 600;
}

.skill-bar {
    height: 8px;
    background: rgba(255, 0, 0, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border-radius: 4px;
    transition: width 1s ease-in-out;
    width: 0;
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

/* ===== PROJECTS AREA WITH CONTAINER QUERIES ===== */
.projects-area {
    container-type: inline-size;
}

.projects-preview {
    background: var(--color-card-bg);
    border-radius: 15px;
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--color-border);
}

.projects-preview__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Container queries for projects */
@container (min-width: 640px) {
    .projects-preview__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@container (min-width: 960px) {
    .projects-preview__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project-card {
    background: rgba(255, 0, 0, 0.1);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--color-border);
    min-width: 0;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(255, 0, 0, 0.3);
    background: rgba(255, 0, 0, 0.15);
}

.project-image {
    height: 150px;
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--color-border);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--color-accent);
}

.project-description {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    overflow-wrap: anywhere;
}

.project-tech {
    margin: 1rem 0;
}

.tech-tag {
    background: var(--color-accent);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    display: inline-block;
    margin-bottom: 0.5rem;
    box-shadow: 0 2px 8px rgba(255, 0, 0, 0.4);
}

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

/* ===== ABOUT SECTION ===== */
.about-section {
    background: var(--color-card-bg);
    border-radius: 15px;
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--color-border);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--color-text-primary);
}

.education-info {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(255, 0, 0, 0.1);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.education-info h3 {
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.education-info ul {
    list-style: none;
    padding-left: 0;
}

.education-info li {
    padding: 0.5rem 0;
    color: var(--color-text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.education-info li::before {
    content: '▶';
    color: var(--color-accent);
    position: absolute;
    left: 0;
}

/* ===== CONTACT CTA ===== */
.contact-cta {
    background: var(--color-card-bg);
    border-radius: 15px;
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--color-border);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--color-text-primary);
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== PROJECTS PAGE ===== */
.projects-page {
    background: var(--color-card-bg);
    border-radius: 15px;
    padding: 3rem;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--color-border);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: max(.5rem, calc((44px - 1em)/2)) 16px;
    border: 2px solid var(--color-accent);
    background: transparent;
    color: var(--color-accent);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    min-height: 44px;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--color-accent);
    color: white;
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.5);
}

.projects-grid-full {
    display: grid;
    gap: 2rem;
}

.project-card-full {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    background: rgba(255, 0, 0, 0.1);
    border-radius: 10px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--color-border);
    min-width: 0;
}

.project-card-full:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 0, 0, 0.3);
    background: rgba(255, 0, 0, 0.15);
}

/* ===== СТИЛИ ДЛЯ PROJECT IMAGE ===== */
.project-card-full .project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 8px;
    border: 2px solid var(--color-border);
    background: rgba(255, 0, 0, 0.1);
    position: relative;
    flex-shrink: 0;
}

.project-card-full .project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.project-card-full .project-image img:hover {
    transform: scale(1.05);
}

.project-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-tech {
    margin: 1rem 0;
}

.tech-tag {
    background: var(--color-accent);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    display: inline-block;
    margin-bottom: 0.5rem;
    box-shadow: 0 2px 8px rgba(255, 0, 0, 0.4);
}

.project-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.project-link {
    padding: max(.5rem, calc((44px - 1em)/2)) 16px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(255, 0, 0, 0.3);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.demo-link {
    background: var(--color-accent);
    color: white;
}

.code-link {
    background: var(--color-accent-dark);
    color: white;
}

.project-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 0, 0, 0.5);
}

/* Стили для главной страницы (index.html) */
.project-card .project-image {
    height: 150px;
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--color-border);
    background: rgba(255, 0, 0, 0.1);
}

.project-card .project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card .project-image img:hover {
    transform: scale(1.05);
}

/* Адаптивность для мобильных */
@media (max-width: 768px) {
    .project-card-full {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }
    
    .project-card-full .project-image {
        height: 180px;
        max-width: 100%;
        margin: 0 auto;
    }
    
    .project-card .project-image {
        height: 120px;
    }
    
    .page-header {
        flex-direction: column;
        text-align: center;
    }
    
    .filters {
        justify-content: center;
    }
}

/* Для очень маленьких экранов */
@media (max-width: 480px) {
    .project-card-full .project-image {
        height: 160px;
    }
    
    .project-card .project-image {
        height: 100px;
    }
    
    .project-links {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .project-link {
        text-align: center;
        justify-content: center;
    }
}

/* Контейнерные запросы для проектов */
@container (max-width: 600px) {
    .project-card-full {
        grid-template-columns: 1fr;
    }
    
    .project-card-full .project-image {
        height: 160px;
    }
}

/* Гарантия видимости изображений */
.project-image,
.project-image img {
    opacity: 1 !important;
    visibility: visible !important;
}
/* ===== DIARY PAGE ===== */
.diary-page {
    background: var(--color-card-bg);
    border-radius: 15px;
    padding: 3rem;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--color-border);
}

.diary-section {
    margin-bottom: 3rem;
}

.diary-entries {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.diary-entry {
    background: rgba(255, 0, 0, 0.1);
    border-radius: 10px;
    padding: 1.5rem;
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 2rem;
    border-left: 4px solid var(--color-border);
    transition: transform 0.3s ease;
    min-width: 0;
}

.diary-entry:hover {
    transform: translateX(5px);
    background: rgba(255, 0, 0, 0.15);
}

.diary-entry.completed {
    border-left-color: var(--color-accent);
}

.diary-entry.in-progress {
    border-left-color: var(--color-accent-light);
}

.entry-date {
    font-weight: 600;
    color: var(--color-accent);
    font-size: 0.9rem;
}

.entry-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
    overflow-wrap: anywhere;
}

.entry-description {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.entry-status {
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    display: inline-block;
}

.completed .entry-status {
    background: rgba(255, 0, 0, 0.3);
    color: var(--color-accent);
    box-shadow: 0 2px 8px rgba(255, 0, 0, 0.3);
}

.in-progress .entry-status {
    background: rgba(255, 51, 51, 0.3);
    color: var(--color-accent-light);
    box-shadow: 0 2px 8px rgba(255, 51, 51, 0.3);
}

/* ===== COURSES SECTION ===== */
.courses-section {
    margin-bottom: 3rem;
}

.courses-container {
    max-width: 600px;
}

.course-item {
    margin-bottom: 1.5rem;
}

.course-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.course-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

.course-percent {
    color: var(--color-accent);
    font-weight: 600;
}

.course-bar {
    height: 8px;
    background: rgba(255, 0, 0, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.course-progress {
    height: 100%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border-radius: 4px;
    transition: width 1s ease-in-out;
    width: 0;
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

/* ===== FORMS ===== */
.add-entry-section {
    background: rgba(255, 0, 0, 0.1);
    border-radius: 10px;
    padding: 2rem;
    border: 1px solid var(--color-border);
}

.contact-form-section {
    background: rgba(255, 0, 0, 0.1);
    border-radius: 10px;
    padding: 2rem;
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--color-border);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
    color: var(--color-text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.error-message {
    color: var(--color-accent-light);
    font-size: 0.8rem;
    margin-top: 0.25rem;
    display: block;
}

/* ===== CONTACTS PAGE ===== */
.contacts-page {
    background: var(--color-card-bg);
    border-radius: 15px;
    padding: 3rem;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--color-border);
}

.contacts-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info-section {
    background: rgba(255, 0, 0, 0.1);
    border-radius: 10px;
    padding: 2rem;
    border: 1px solid var(--color-border);
}

.contact-info {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255, 0, 0, 0.05);
    border-radius: 8px;
    transition: transform 0.3s ease;
    border: 1px solid var(--color-border);
}

.contact-item:hover {
    transform: translateX(5px);
    background: rgba(255, 0, 0, 0.1);
}

.contact-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
    width: 40px;
    text-align: center;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-details {
    flex: 1;
}

.contact-details h3 {
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.contact-details p {
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.contact-link {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: inline-block;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.contact-link:hover {
    color: var(--color-accent-light);
    text-decoration: underline;
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

.additional-info {
    background: rgba(255, 0, 0, 0.05);
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 2rem;
    border: 1px solid var(--color-border);
}

.section-subtitle {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

.info-content {
    line-height: 1.8;
}

.info-content p {
    margin-bottom: 0.5rem;
    color: var(--color-text-secondary);
}

.info-content strong {
    color: var(--color-accent);
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
    background-color: var(--color-card-bg);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 10px;
    width: 80%;
    max-width: 600px;
    position: relative;
    border: 2px solid var(--color-accent);
    box-shadow: 0 0 30px rgba(255, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-accent);
    transition: color 0.3s ease;
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--color-accent-light);
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-accent);
    padding: 2rem 0;
    margin-top: auto;
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-contacts a {
    color: var(--color-accent);
    text-decoration: none;
    margin-left: 1rem;
    transition: color 0.3s ease;
    padding: 0.5rem;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.footer-contacts a:hover {
    color: var(--color-accent-light);
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

/* ===== SVG ICONS ===== */
.icon-svg {
    width: 24px;
    height: 24px;
    filter: invert(16%) sepia(89%) saturate(6054%) hue-rotate(358deg) brightness(101%) contrast(112%);
}

.footer-icon {
    width: 16px;
    height: 16px;
    margin-right: 5px;
    filter: invert(16%) sepia(89%) saturate(6054%) hue-rotate(358deg) brightness(101%) contrast(112%);
    vertical-align: middle;
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* High contrast */
@media (prefers-contrast: more) {
    .btn-primary, .btn-secondary, .filter-btn, .nav-link {
        box-shadow: inset 0 0 0 2px var(--color-text-primary);
    }
}

/* Coarse pointer (touch devices) */
@media (pointer: coarse) {
    .nav-link, .btn-primary, .btn-secondary, .filter-btn, .project-link, .contact-link {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }
}

/* Container queries fallback */
@supports not (container-type: inline-size) {
    .projects-preview__grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    @media (min-width: 768px) {
        .projects-preview__grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    
    @media (min-width: 1024px) {
        .projects-preview__grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-list {
        gap: 1rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero__photo {
        max-width: 250px;
        margin: 0 auto;
    }

    .page-header {
        flex-direction: column;
        text-align: center;
    }

    .filters {
        justify-content: center;
    }

    .project-card-full {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .diary-entry {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contacts-container {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .main-content {
        padding: 1rem;
    }

    .hero-section,
    .skills-section,
    .projects-preview,
    .projects-page,
    .diary-page,
    .contacts-page {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5rem;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .project-links {
        flex-direction: column;
        gap: 0.5rem;
    }

    .project-link {
        text-align: center;
        justify-content: center;
    }

    .footer-contacts {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .footer-contacts a {
        margin-left: 0;
        justify-content: center;
    }
}



/* ===== АДАПТИВНЫЕ ИЗОБРАЖЕНИЯ ===== */

/* Object-fit поддержка для различных контейнеров */
.project-image img,
.gallery__image,
.hero__photo {
    object-fit: cover;
}

/* Адаптивные изображения в галерее */
.gallery__image-container {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 8px;
}

.gallery__image {
    width: 100%;
    height: 100%;
    transition: transform 0.3s ease;
}

.gallery__image:hover {
    transform: scale(1.05);
}

/* Поддержка печати */
@media print {
    .hero__photo,
    .project-image img,
    .gallery__image {
        max-width: 100% !important;
        height: auto !important;
    }
    
    .project-card,
    .diary-entry {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* Оптимизация для медленных соединений */
@media (prefers-reduced-data: reduce) {
    .hero__photo,
    .project-image img {
        loading: lazy;
    }
    
    .gallery__image {
        display: none;
    }
}

/* Высокая плотность пикселей (Retina) */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero__photo,
    .project-image img {
        /* Улучшение качества для Retina */
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Темная тема для изображений */
@media (prefers-color-scheme: dark) {
    .project-image,
    .gallery__image-container {
        border-color: var(--color-border);
    }
}

/* Адаптивность для очень больших экранов */
@media (min-width: 1600px) {
    .project-image img {
        height: 250px;
    }
    
    .gallery__image-container {
        height: 280px;
    }
}

/* Адаптивность для очень маленьких экранов */
@media (max-width: 360px) {
    .project-image img {
        height: 120px;
    }
    
    .gallery__image-container {
        height: 150px;
    }
}

/* Плавное масштабирование изображений */
img {
    transition: opacity 0.3s ease;
}

/* Улучшение загрузки изображений */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Оптимизация для сенсорных устройств */
@media (pointer: coarse) {
    .gallery__image:hover {
        transform: none;
    }
}

/* Поддержка контейнерных запросов для изображений */
@container (max-width: 400px) {
    .project-image img {
        height: 150px;
    }
}

@container (min-width: 800px) {
    .project-image img {
        height: 250px;
    }
}

/* ===== ДОПОЛНИТЕЛЬНЫЕ СТИЛИ ДЛЯ ДОСТУПНОСТИ КОНТАКТОВ ===== */

/* Визуально скрытый контент */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Стили для fieldset и legend */
.form-fieldset {
    border: 2px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    background: rgba(255, 0, 0, 0.05);
}

.fieldset-legend {
    font-weight: 600;
    color: var(--color-accent);
    padding: 0 0.5rem;
    font-size: 1.1rem;
    float: left;
    margin-bottom: 1rem;
}

/* Подсказки для полей формы */
.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
    display: block;
}

/* Действия формы */
.form-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* Обязательные поля */
.required-asterisk {
    color: #ff4444;
    font-weight: bold;
}

/* Состояния фокуса для доступности */
.form-input:focus,
.form-textarea:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Улучшенные стили для контактной информации */
.contact-info-section .section-title,
.contact-form-section .section-title {
    text-align: left;
    margin-bottom: 2rem;
}

.contact-info-section .section-title::after,
.contact-form-section .section-title::after {
    left: 0;
    transform: none;
}

/* Адаптивность для мобильных */
@media (max-width: 768px) {
    .contacts-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-fieldset {
        padding: 1rem;
    }
}

/* Улучшение для сенсорных устройств */
@media (pointer: coarse) {
    .form-input,
    .form-textarea {
        min-height: 44px;
        padding: 1rem;
    }
    
    .form-actions button {
        min-height: 44px;
        padding: 1rem 2rem;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .form-input,
    .form-textarea {
        border-width: 2px;
    }
    
    .form-fieldset {
        border-width: 3px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .form-input,
    .form-textarea {
        transition: none;
    }
}

/* Улучшения для страницы контактов */
.page-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-item {
    transition: transform 0.2s ease;
}

.contact-item:focus-within {
    transform: translateX(5px);
    background: rgba(255, 0, 0, 0.15);
}

/* Логотип как ссылка */
.logo-link {
    color: inherit;
    text-decoration: none;
    display: block;
}

.logo-link:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
    border-radius: 4px;
}
/* ===== УЛУЧШЕНИЯ ДОСТУПНОСТИ ПОСЛЕ LIGHTHOUSE АУДИТА ===== */

/* Улучшение контрастности для фона элементов */
.skill-bar,
.course-bar {
    background: rgba(255, 255, 255, 0.2) !important;
}

/* Улучшение видимости фокуса */
.nav-link:focus,
.btn-primary:focus,
.btn-secondary:focus,
.form-input:focus,
.form-textarea:focus,
.contact-link:focus,
.filter-btn:focus,
.project-link:focus {
    outline: 3px solid #ff4444 !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 3px rgba(255, 68, 68, 0.3) !important;
}

/* Улучшение размера интерактивных элементов для сенсорных устройств */
@media (max-width: 768px) {
    .form-input,
    .form-textarea {
        font-size: 16px;
        min-height: 44px;
    }
}

/* Улучшение читаемости текста */
.about-content p,
.cta-description,
.project-description,
.entry-description {
    line-height: 1.7;
    max-width: 65ch;
}

/* Улучшение доступности для высококонтрастного режима */
@media (prefers-contrast: high) {
    .skill-progress,
    .course-progress {
        background: #ff0000 !important;
        border: 1px solid #ffffff;
    }
}

/* Улучшение для режима уменьшенного движения */
@media (prefers-reduced-motion: reduce) {
    .hero__photo,
    .project-image img {
        transition: none !important;
        transform: none !important;
    }
}

/* Улучшение видимости обязательных полей */
.required-asterisk {
    color: #ff4444;
    font-weight: bold;
}

.form-label {
    font-weight: 600;
    display: block;
    margin-bottom: 0.5rem;
}

/* Улучшение доступности ошибок */
.error-message {
    color: #ff4444;
    font-size: 0.9rem;
    font-weight: 500;
    display: block;
    margin-top: 0.25rem;
}

.form-input[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
    border-color: #ff4444 !important;
    background-color: rgba(255, 68, 68, 0.05);
}