*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:             #1f1e1d;
  --bg-elevated:    #262524;
  --bg-card:        #2a2826;
  --bg-card-hover:  #2f2d2b;
  --border:         #3a3835;
  --border-soft:    #2e2c2a;

  --text-primary:   #f5f4ef;
  --text-secondary: #b4b1a9;
  --text-muted:     #6a6864;

  --toggle-bg:      transparent;
  --toggle-border:  #3a3835;
  --toggle-color:   #b4b1a9;
  --toggle-hover:   #2a2826;

  --font-sans: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --radius: 10px;
}

body.light {
  --bg:             #faf9f5;
  --bg-elevated:    #f5f4ef;
  --bg-card:        #ffffff;
  --bg-card-hover:  #f5f4ef;
  --border:         #e8e7e0;
  --border-soft:    #ededeb;

  --text-primary:   #1d1d1c;
  --text-secondary: #54544f;
  --text-muted:     #908d85;

  --toggle-bg:      transparent;
  --toggle-border:  #e8e7e0;
  --toggle-color:   #54544f;
  --toggle-hover:   #f5f4ef;
}

html:not([data-lang]) .ru, html:not([data-lang]) .kk { display: none !important; }
[data-lang="en"] .ru, [data-lang="en"] .kk { display: none !important; }
[data-lang="ru"] .en, [data-lang="ru"] .kk { display: none !important; }
[data-lang="kk"] .en, [data-lang="kk"] .ru { display: none !important; }

html, body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 32px 80px;
}

.header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 48px;
}

.name {
  font-size: 1.9rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
}

.download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--toggle-color);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.download-btn:hover {
  background: var(--toggle-hover);
  color: var(--text-primary);
}

.download-btn .icon {
  width: 14px;
  height: 14px;
}

.lang-dropdown {
  position: relative;
  display: inline-block;
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  height: 34px;
  padding: 0 28px 0 10px;
  border-radius: 8px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--toggle-color);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  outline: none;
}

.lang-select:hover {
  background: var(--toggle-hover);
  color: var(--text-primary);
}

.lang-dropdown::after {
  content: '▼';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.6rem;
  color: var(--toggle-color);
  pointer-events: none;
}

.lang-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--toggle-color);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.theme-toggle:hover {
  background: var(--toggle-hover);
  color: var(--text-primary);
}

.theme-toggle .icon {
  width: 16px;
  height: 16px;
}

.theme-toggle .icon-moon { display: none; }
body.light .theme-toggle .icon-sun  { display: none; }
body.light .theme-toggle .icon-moon { display: block; }

.section {
  margin-bottom: 52px;
}

.section-title {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.entries {
  display: flex;
  flex-direction: column;
}

.entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border-soft);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.entry.visible {
  opacity: 1;
  transform: translateY(0);
}

.entry:first-child { padding-top: 0; }

.entry-period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-top: 3px;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.entry-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.entry-header .entry-period {
  margin-left: auto;
}

.entry-role {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.005em;
}

.entry-company {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.entry-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-top: 10px;
}

.projects {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease,
              background 0.2s ease, border-color 0.2s ease;
}

.project.visible {
  opacity: 1;
  transform: translateY(0);
}

.project:hover {
  background: var(--bg-card-hover);
  border-color: var(--border);
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.project-name {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.project-stack {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-elevated);
  padding: 4px 10px;
  border-radius: 5px;
  border: 1px solid var(--border-soft);
  letter-spacing: -0.01em;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.connect {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.connect-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.connect-link:hover {
  opacity: 0.75;
}

.connect-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.connect-github  { color: #ffffff; }
body.light .connect-github { color: #181717; }
.connect-linkedin { color: #0A66C2; }

.edu-logo-white {
  background: #ffffff !important;
  padding: 0;
}

.edu-logo-white img {
  object-fit: contain !important;
  padding: 7px !important;
}

.entry-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  vertical-align: middle;
  margin-left: 6px;
  position: relative;
  top: -1px;
}

@media (max-width: 600px) {
  .page { padding: 0 18px 60px; }
  .header { padding: 36px 0 28px; margin-bottom: 36px; }
  .name { font-size: 1.5rem; }
  .tagline { font-size: 0.9rem; }
  
  .header-actions { margin-top: 4px; gap: 8px;}
  
  .lang-select {
    height: 30px;
    padding: 0 24px 0 8px;
    font-size: 0.8rem;
  }
  .lang-dropdown::after {
    right: 8px;
  }
  
  .download-btn {
    height: 30px;
    padding: 0 10px;
    font-size: 0.8rem;
  }

  .theme-toggle { width: 30px; height: 30px; }

  .section { margin-bottom: 40px; }
  .section-title { margin-bottom: 20px; }
  
  .entry { padding: 18px 0; }
  .entry-with-logo { gap: 14px; }
  .entry-logo { width: 44px; height: 44px; border-radius: 10px; }
  .entry-role { font-size: 0.95rem; }
  .entry-company { font-size: 0.88rem; }
  .entry-desc { font-size: 0.9rem; }
  
  .entry-header { flex-direction: column; align-items: flex-start; gap: 2px; margin-bottom: 4px; }
  .entry-header .entry-period { margin-left: 0; padding-top: 0; }
  
  .skill-row { grid-template-columns: 1fr; gap: 4px; }
  
  .edu-logo-white { width: 44px; height: 44px; border-radius: 10px; }
  
  .project { padding: 16px 18px; }
  .project-name { font-size: 0.9rem; }
  .project-desc { font-size: 0.9rem; }
  .project-stack { font-size: 0.72rem; }
  
  .connect { gap: 18px; }
  .connect-link { font-size: 0.9rem; }
}

.entry-with-logo {
  display: flex;
  align-items: center;
  gap: 18px;
}

.entry-logo {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: none;
}

.entry-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  padding: 0;
}

.entry-content {
  flex: 1;
  min-width: 0;
}

.skills-grid {
  display: flex;
  flex-direction: column;
}
.skill-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border-soft);
}
.skill-row:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.skill-cat {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tech-tag {
  display: inline-flex;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  color: var(--text-primary);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  letter-spacing: -0.01em;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.tech-tag:hover {
  border-color: var(--text-muted);
  background: var(--bg-card);
}

.timeline {
  position: relative;
  padding-left: 24px;
  margin-top: 18px;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 8px;
  bottom: 0;
  left: 5px;
  width: 2px;
  background: var(--border-soft);
}
.stage-block {
  position: relative;
  margin-bottom: 36px;
}
.stage-block:last-child {
  margin-bottom: 0;
}
.stage-block::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border);
  border: 2px solid var(--bg);
  z-index: 2;
}
.stage-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.stage-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}
.stage-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-elevated);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-soft);
  white-space: nowrap;
}
.stage-desc {
  margin-bottom: 12px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}
.stage-list {
  margin-left: 0;
  list-style-type: none;
  padding: 0;
}
.stage-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 20px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}
.stage-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--text-muted);
  font-weight: bold;
}