/* ============================================
   AI ПОРТФОЛИО — ОСНОВНАЯ ТАБЛИЦА СТИЛЕЙ
   ============================================
   Тёмный шаблон портфолио с неоновыми акцентами,
   терминальной эстетикой и AI-тематикой.
   
   Руководство по кастомизации:
   - Цвета: редактируйте CSS-переменные в :root
   - Типографика: меняйте импорт Google Fonts
   - Отступы: настраивайте переменные --space-*
   ============================================ */

/* --- CSS-переменные (тема) --- */
:root {
  /* Основная палитра */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-card: rgba(18, 18, 26, 0.7);
  
  /* Неоновые акценты */
  --cyan: #00f0ff;
  --cyan-dim: #00a8b3;
  --purple: #a855f7;
  --purple-dim: #7c3aed;
  --magenta: #e040fb;
  --green: #00ff88;
  --orange: #ff6b35;
  
  /* Градиенты */
  --gradient-main: linear-gradient(135deg, var(--cyan), var(--purple));
  --gradient-warm: linear-gradient(135deg, var(--purple), var(--magenta));
  --gradient-glow: radial-gradient(circle, rgba(0, 240, 255, 0.15), transparent 70%);
  
  /* Цвета текста */
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --text-muted: #6b6b80;
  --text-accent: var(--cyan);
  
  /* Рамки */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(0, 240, 255, 0.3);
  
  /* Тени */
  --glow-sm: 0 0 10px rgba(0, 240, 255, 0.2);
  --glow-md: 0 0 20px rgba(0, 240, 255, 0.3);
  --glow-lg: 0 0 40px rgba(0, 240, 255, 0.2);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  
  /* Шкала отступов */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Радиусы скругления */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  /* Переходы */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Типографика */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Unbounded', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  min-height: 100vh;
}

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

a:hover {
  color: var(--purple);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea {
  font-family: inherit;
  font-size: inherit;
}

::selection {
  background: rgba(0, 240, 255, 0.3);
  color: white;
}

/* Полоса прокрутки */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--cyan-dim);
}

/* --- Утилитарные классы --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3xl);
}

.mono {
  font-family: var(--font-mono);
}

.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Анимированный фон --- */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

.bg-glow--cyan {
  background: var(--cyan);
  top: -200px;
  right: -200px;
  opacity: 0.08;
}

.bg-glow--purple {
  background: var(--purple);
  bottom: -200px;
  left: -200px;
  opacity: 0.06;
}

/* --- Шапка / Навигация --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-subtle);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gradient-main);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-lg);
}

.logo-text .highlight {
  color: var(--cyan);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  position: relative;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--cyan);
}

/* Гамбургер-меню */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-base);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Секция Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--cyan);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease forwards;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-name {
  font-family: var(--font-heading);
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.6s ease 0.1s forwards;
  opacity: 0;
}

.hero-title {
  font-size: var(--font-size-2xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s ease 0.2s forwards;
  opacity: 0;
}

.hero-title .typed-text {
  color: var(--cyan);
  font-family: var(--font-mono);
}

.hero-title .cursor {
  display: inline-block;
  width: 3px;
  height: 1.2em;
  background: var(--cyan);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 560px;
  animation: fadeInUp 0.6s ease 0.3s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.4s forwards;
  opacity: 0;
}

/* Декоративный терминал */
.hero-terminal {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  opacity: 0.6;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot--red { background: #ff5f56; }
.terminal-dot--yellow { background: #ffbd2e; }
.terminal-dot--green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-left: auto;
}

.terminal-body {
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

.terminal-line {
  color: var(--text-secondary);
}

.terminal-line .prompt {
  color: var(--green);
}

.terminal-line .command {
  color: var(--cyan);
}

.terminal-line .output {
  color: var(--text-muted);
}

.terminal-line .success {
  color: var(--green);
}

/* --- Кнопки --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-main);
  color: var(--bg-primary);
  border: none;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-md);
  color: var(--bg-primary);
}

.btn--outline {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan);
}

.btn--outline:hover {
  background: rgba(0, 240, 255, 0.1);
  transform: translateY(-2px);
  color: var(--cyan);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-glow);
}

/* --- Стеклянная карточка --- */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.glass-card:hover {
  border-color: rgba(0, 240, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--glow-sm), var(--shadow-card);
}

.glass-card:hover::before {
  opacity: 1;
}

/* --- Hero страницы (внутренние страницы) --- */
.page-hero {
  padding: var(--space-4xl) 0 var(--space-2xl);
  position: relative;
}

.page-hero .section-title {
  font-size: var(--font-size-4xl);
}

.page-hero .terminal-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--green);
  margin-bottom: var(--space-md);
}

/* --- Избранные проекты (Главная) --- */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.project-card {
  position: relative;
}

.project-card-image {
  width: 100%;
  height: 200px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-lg);
  overflow: hidden;
  position: relative;
}

.project-card-image .placeholder-art {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
  font-family: var(--font-mono);
  font-size: var(--font-size-3xl);
  color: var(--text-muted);
  opacity: 0.5;
}

.project-card h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.project-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
}

.tag--purple {
  background: rgba(168, 85, 247, 0.1);
  border-color: rgba(168, 85, 247, 0.2);
  color: var(--purple);
}

.tag--green {
  background: rgba(0, 255, 136, 0.08);
  border-color: rgba(0, 255, 136, 0.15);
  color: var(--green);
}

.tag--orange {
  background: rgba(255, 107, 53, 0.08);
  border-color: rgba(255, 107, 53, 0.15);
  color: var(--orange);
}

/* --- Страница «Обо мне» --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about-avatar {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}

.about-avatar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-main);
  opacity: 0.1;
}

.about-bio {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
}

.about-bio strong {
  color: var(--text-primary);
}

/* Таймлайн */
.timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), var(--purple), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--border-subtle);
}

.timeline-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-2xl) - 5px);
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--cyan);
  margin-bottom: var(--space-xs);
}

.timeline-item h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
}

.timeline-item .company {
  color: var(--purple);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
}

.timeline-item p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Сетка информации */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.info-item {
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.info-item .label {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.info-item .value {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

/* --- Страница проектов --- */
.projects-filter {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--cyan);
  color: var(--cyan);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.project-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.project-featured .project-card-image {
  height: 100%;
  min-height: 280px;
}

/* --- Страница навыков --- */
.skills-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.skill-category {
  margin-bottom: var(--space-2xl);
}

.skill-category h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.skill-category h3 .icon {
  font-size: var(--font-size-xl);
}

.skill-bar {
  margin-bottom: var(--space-lg);
}

.skill-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xs);
}

.skill-bar-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.skill-bar-percent {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--cyan);
}

.skill-bar-track {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gradient-main);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0;
  position: relative;
}

.skill-bar-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
  opacity: 0;
  transition: opacity 0.3s ease 1s;
}

.skill-bar-fill.animated::after {
  opacity: 1;
}

/* Сетка инструментов */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-md);
}

.tool-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.tool-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--glow-sm);
}

.tool-card .icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.tool-card .name {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.tool-card .level {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: var(--space-xs);
}

/* --- Страница контактов --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-item {
  display: flex;
  gap: var(--space-md);
  align-items: start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-xs);
}

.contact-item p,
.contact-item a {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--font-size-xl);
  transition: all var(--transition-base);
}

.social-link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-3px);
  box-shadow: var(--glow-sm);
}

/* Форма контактов */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group label .required {
  color: var(--magenta);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

/* --- Подвал --- */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-4xl);
  position: relative;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.footer-tagline {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.footer-tagline .bracket {
  color: var(--text-muted);
}

.footer-nav {
  display: flex;
  gap: var(--space-lg);
}

.footer-nav a {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--cyan);
}

.footer-bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.footer-bottom .built-with {
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.footer-bottom .heart {
  color: var(--magenta);
}

/* --- Анимации --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Анимация появления при прокрутке */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Декоративный фон нейросети --- */
.neural-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  pointer-events: none;
  opacity: 0.15;
  overflow: hidden;
}

.neural-node {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
}

.neural-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  transform-origin: left center;
}

/* Паттерн микросхемы */
.circuit-pattern {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 10h80v80H10z' fill='none' stroke='%2300f0ff' stroke-width='0.5'/%3E%3Ccircle cx='10' cy='10' r='2' fill='%2300f0ff'/%3E%3Ccircle cx='90' cy='10' r='2' fill='%2300f0ff'/%3E%3Ccircle cx='10' cy='90' r='2' fill='%2300f0ff'/%3E%3Ccircle cx='90' cy='90' r='2' fill='%2300f0ff'/%3E%3Cpath d='M10 10L50 50L90 10M10 90L50 50L90 90' fill='none' stroke='%2300f0ff' stroke-width='0.3'/%3E%3C/svg%3E");
  background-size: 100px 100px;
}

/* --- Адаптивный дизайн --- */
@media (max-width: 1024px) {
  .hero-terminal {
    display: none;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .about-avatar {
    max-width: 300px;
    margin: 0 auto;
  }
  
  .skills-layout {
    grid-template-columns: 1fr;
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
  }
  
  .project-featured {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .hamburger {
    display: flex;
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-subtle);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-2xl);
    padding: var(--space-2xl);
    transition: right var(--transition-slow);
    z-index: 1000;
  }
  
  .nav.open {
    right: 0;
  }
  
  .nav-link {
    font-size: var(--font-size-lg);
  }
  
  .featured-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .projects-filter {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-sm);
    -webkit-overflow-scrolling: touch;
  }
  
  .filter-btn {
    white-space: nowrap;
  }
}

/* --- Утилита: Оверлей при открытом меню --- */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 999;
}

.nav-overlay.visible {
  display: block;
}

/* ===============================
   БЛОГ — НОВЫЕ КОМПОНЕНТЫ
   =============================== */

/* --- Хлебные крошки --- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--cyan);
}

.breadcrumbs .separator {
  color: var(--text-muted);
  opacity: 0.5;
  font-family: var(--font-mono);
}

.breadcrumbs .current {
  color: var(--text-secondary);
}

/* --- Фильтр категорий --- */
.blog-filters {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.filter-chip {
  padding: 0.45rem 1.1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-chip:hover {
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.2);
  color: var(--text-primary);
}

.filter-chip.active {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* --- Избранная статья (крупная карточка) --- */
.blog-featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  margin-bottom: var(--space-3xl);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-slow);
  position: relative;
}

.blog-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.blog-featured:hover {
  border-color: rgba(0, 240, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--glow-sm), var(--shadow-card);
}

.blog-featured:hover::before {
  opacity: 1;
}

.blog-featured-cover {
  min-height: 320px;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 50%, rgba(0, 240, 255, 0.08) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}

.blog-featured-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 30% 70%, rgba(168, 85, 247, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(0, 240, 255, 0.1) 0%, transparent 50%);
}

.blog-featured-body {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.blog-featured-body .blog-card-meta {
  margin-bottom: var(--space-md);
}

.blog-featured-body h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

.blog-featured-body p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

/* --- Карточки статей --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-slow);
  display: flex;
  flex-direction: column;
  position: relative;
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.blog-card:hover {
  border-color: rgba(0, 240, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--glow-sm), var(--shadow-card);
}

.blog-card:hover::before {
  opacity: 1;
}

.blog-card-cover {
  height: 180px;
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.blog-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 60% 40%, rgba(0, 240, 255, 0.06) 0%, transparent 60%);
}

.blog-card-cover--ai {
  background: linear-gradient(135deg, var(--bg-tertiary), rgba(168, 85, 247, 0.08));
}

.blog-card-cover--dev {
  background: linear-gradient(135deg, var(--bg-tertiary), rgba(0, 240, 255, 0.08));
}

.blog-card-cover--tutorial {
  background: linear-gradient(135deg, var(--bg-tertiary), rgba(0, 255, 136, 0.06));
}

.blog-card-cover--review {
  background: linear-gradient(135deg, var(--bg-tertiary), rgba(255, 107, 53, 0.06));
}

.blog-card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.blog-category-badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.blog-category-badge--ai {
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.25);
  color: var(--purple);
}

.blog-category-badge--dev {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
  color: var(--cyan);
}

.blog-category-badge--tutorial {
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.18);
  color: var(--green);
}

.blog-category-badge--review {
  background: rgba(255, 107, 53, 0.08);
  border: 1px solid rgba(255, 107, 53, 0.18);
  color: var(--orange);
}

.blog-card-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.blog-card-readtime {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.blog-card-readtime::before {
  content: '· ';
  opacity: 0.5;
}

.blog-card-body h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  line-height: 1.35;
  margin-bottom: var(--space-sm);
}

.blog-card-body h3 a {
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.blog-card-body h3 a:hover {
  color: var(--cyan);
}

.blog-card-excerpt {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.65;
  margin-bottom: var(--space-md);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  flex: 1;
}

.blog-card-link {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--cyan);
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.blog-card-link:hover {
  color: var(--purple);
}

/* --- Категории --- */
.cat-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  color: inherit;
  white-space: nowrap;
}

.cat-badge:hover {
  opacity: 0.8;
}

/* --- Пагинация --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-3xl);
}

.pagination-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.pagination-btn:hover {
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.2);
  color: var(--cyan);
}

.pagination-btn.active {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--cyan);
  color: var(--cyan);
}

.pagination-btn.disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ===============================
   СТРАНИЦА СТАТЬИ (POST)
   =============================== */

/* Шапка статьи */
.post-header {
  margin-bottom: var(--space-3xl);
}

.post-header .blog-category-badge {
  margin-bottom: var(--space-md);
}

.post-header h1 {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  line-height: 1.2;
  margin-bottom: var(--space-lg);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.post-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.post-meta-item .icon {
  font-size: 1rem;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-lg);
}

/* Обложка статьи */
.post-cover {
  width: 100%;
  height: 380px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 40%, rgba(0, 240, 255, 0.06) 100%);
}

.post-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(168, 85, 247, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.1) 0%, transparent 40%);
}

/* Тело статьи */
.post-content {
  max-width: 760px;
  margin: 0 auto;
}

.post-content h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.post-content h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.post-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.post-content strong {
  color: var(--text-primary);
}

.post-content a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(0, 240, 255, 0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-fast);
}

.post-content a:hover {
  text-decoration-color: var(--cyan);
}

.post-content ul,
.post-content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.post-content ul {
  list-style: disc;
}

.post-content ol {
  list-style: decimal;
}

.post-content li {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.post-content li::marker {
  color: var(--cyan);
}

/* Блок кода */
.post-code-block {
  margin: var(--space-xl) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.post-code-block .terminal-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-subtle);
}

.post-code-block .terminal-title {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-left: auto;
}

.post-code-block pre {
  padding: var(--space-lg);
  background: var(--bg-secondary);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0;
}

.post-code-block pre code {
  font-family: inherit;
}

/* Подсветка синтаксиса (базовая) */
.code-keyword { color: var(--purple); }
.code-string { color: var(--green); }
.code-comment { color: var(--text-muted); font-style: italic; }
.code-func { color: var(--cyan); }
.code-number { color: var(--orange); }
.code-decorator { color: var(--magenta); }
.code-builtin { color: var(--cyan); }

/* Цитата */
.post-content blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--space-xl);
  border-left: 3px solid var(--cyan);
  background: rgba(0, 240, 255, 0.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.post-content blockquote p {
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: 0;
}

.post-content blockquote cite {
  display: block;
  margin-top: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-style: normal;
}

/* Плейсхолдер изображения */
.post-image-placeholder {
  width: 100%;
  height: 240px;
  border-radius: var(--radius-md);
  margin: var(--space-xl) 0;
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  border: 1px solid var(--border-subtle);
  position: relative;
}

.post-image-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.04) 0%, transparent 60%);
}

.post-image-caption {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-style: italic;
  margin-top: calc(-1 * var(--space-md));
  margin-bottom: var(--space-xl);
}

/* --- Кнопки шаринга --- */
.share-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-3xl) 0;
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.share-buttons-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.share-btn:hover {
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.2);
  color: var(--cyan);
  transform: translateY(-2px);
}

.share-btn .icon {
  font-size: 1.1rem;
}

.share-btn--vk:hover {
  border-color: rgba(0, 119, 255, 0.4);
  color: #0077ff;
}

.share-btn--tg:hover {
  border-color: rgba(0, 136, 204, 0.4);
  color: #0088cc;
}

.share-btn--wa:hover {
  border-color: rgba(37, 211, 102, 0.4);
  color: #25d366;
}

/* --- Бокс автора --- */
.author-box {
  display: flex;
  gap: var(--space-xl);
  padding: var(--space-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin: var(--space-3xl) 0;
}

.author-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
  position: relative;
}

.author-avatar::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: var(--gradient-main);
  z-index: -1;
  opacity: 0.3;
}

.author-info h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-xs);
}

.author-info p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* --- Навигация между статьями --- */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin: var(--space-3xl) 0;
}

.post-nav-item {
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.post-nav-item:hover {
  border-color: rgba(0, 240, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--glow-sm);
}

.post-nav-item .label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.post-nav-item h4 {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  color: var(--text-primary);
}

.post-nav-item--next {
  text-align: right;
}

/* --- Секция «Похожие статьи» --- */
.related-posts {
  margin-top: var(--space-3xl);
}

.related-posts h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-xl);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* --- Комментарии --- */
.comments-section {
  margin-top: var(--space-3xl);
}

.comments-section h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-xl);
}

.comment {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.comment:last-of-type {
  border-bottom: none;
}

.comment-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.comment-body {
  flex: 1;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.comment-name {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.comment-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.comment-text {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.65;
}

/* Форма комментария */
.comment-form {
  margin-top: var(--space-2xl);
}

.comment-form h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-lg);
}

/* --- Адаптив блога --- */
@media (max-width: 1024px) {
  .blog-featured {
    grid-template-columns: 1fr;
  }
  
  .blog-featured-cover {
    min-height: 240px;
  }
  
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .post-header h1 {
    font-size: var(--font-size-3xl);
  }
  
  .post-cover {
    height: 240px;
    font-size: 4rem;
  }
  
  .post-nav {
    grid-template-columns: 1fr;
  }
  
  .post-nav-item--next {
    text-align: left;
  }
  
  .related-grid {
    grid-template-columns: 1fr;
  }
  
  .share-buttons {
    flex-wrap: wrap;
  }
  
  .author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}

/* ===============================
   СТРАНИЦЫ ПРОЕКТОВ (DETAIL)
   =============================== */

/* Характеристики проекта — сетка */
.project-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0 var(--space-3xl);
}

.feature-card {
  padding: var(--space-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: rgba(0, 240, 255, 0.15);
  transform: translateY(-2px);
}

.feature-card .icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
}

.feature-card h4 {
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* Стек технологий — группировка */
.project-tech-group {
  margin: var(--space-xl) 0 var(--space-3xl);
}

.tech-group-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.tech-group-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

/* Карточки метрик */
.project-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
  margin: var(--space-xl) 0 var(--space-3xl);
}

.stat-card {
  padding: var(--space-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: rgba(0, 240, 255, 0.2);
  box-shadow: var(--glow-sm);
}

.stat-card .stat-value {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-xs);
}

.stat-card .stat-label {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* Кнопки проекта */
.project-links {
  display: flex;
  gap: var(--space-md);
  margin: var(--space-2xl) 0;
  flex-wrap: wrap;
}

/* Секция сложностей */
.challenges-list {
  margin: var(--space-lg) 0;
}

.challenge-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.challenge-item .marker {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.challenge-item h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-xs);
}

.challenge-item p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* Адаптив страниц проектов */
@media (max-width: 768px) {
  .project-features-grid {
    grid-template-columns: 1fr;
  }
  
  .project-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .project-links {
    flex-direction: column;
  }
  
  .project-links .btn {
    width: 100%;
    justify-content: center;
  }
}

/* --- Стили для печати --- */
@media print {
  .header, .footer, .bg-grid, .bg-glow {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
}

/* ===== ��������� ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    border: 1px solid var(--border, rgba(136, 136, 136, 0.25));
    border-radius: 8px;
    color: var(--text-primary, #e0e0e0);
    text-decoration: none;
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.pagination-link:hover {
    border-color: var(--cyan, #00f0ff);
    color: var(--cyan, #00f0ff);
}

.pagination-link.active {
    background: var(--cyan, #00f0ff);
    border-color: var(--cyan, #00f0ff);
    color: #000;
    font-weight: 600;
}

/* ===== ����������� �������� ===== */
.project-card-img {
    width: 100%;
    height: 160px;
    object-fit: contain;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.blog-card-img {
    width: 100%;
    height: 140px;
    object-fit: contain;
    display: block;
}

/* ===== ����������� ===== */
.comments-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.comment-item {
    padding: 1.25rem;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.comment-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan, #00f0ff), var(--purple, #a855f7));
    color: #000;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.comment-meta {
    display: flex;
    flex-direction: column;
}

.comment-date {
    font-size: 0.8rem;
    color: var(--text-secondary, #a0a0b8);
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
}

.comment-content {
    margin: 0;
    color: var(--text-primary, #e0e0e0);
    line-height: 1.6;
}

.comment-form {
    padding: 1.5rem;
    max-width: 600px;
}

.comment-form h3 {
    margin-top: 0;
    margin-bottom: 1rem;
}