@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@400;500;700;800&display=swap');

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --text-primary: #111111;
  --text-secondary: #2a2a2a;
  --text-muted: #444;
  --border-color: #eaeaea;
  --badge-fill: #000;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  display: flex;
  min-height: 100vh;
}

.mobile-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 36px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-primary);
}

.mobile-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text-primary);
  text-decoration: none;
}

.mobile-logo span {
  color: var(--text-primary);
}

.mobile-contacts {
  display: flex;
  align-items: center;
  gap: 28px;
}

.mobile-contacts a {
  color: var(--text-primary);
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  transition: opacity 0.2s ease;
}

.mobile-contacts a:hover {
  opacity: 0.55;
}

.sidebar {
  width: 200px;
  min-height: 100vh;
  padding: 40px 24px;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 200;
}

.close-sidebar {
  display: none;
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 28px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
}

.sidebar-contact {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.sidebar-contact .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  display: block;
}

.sidebar-contacts {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.contact-link:hover {
  opacity: 0.55;
}

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 150;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.overlay.active {
  opacity: 1;
}

.main-content {
  flex: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 35px 48px 60px 32px;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.profile-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: -20px;
  margin-bottom: 18px;
}

.profile-row {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.matrix-rain {
  width: 90px;
  height: 160px;
  flex-shrink: 0;
  pointer-events: none;
  border-radius: 8px;
}

.profile-photo {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid #000;
  box-shadow: none;
}

.profile-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 0;
  margin-bottom: 18px;
  letter-spacing: -0.2px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.profile-name h1 {
  font: inherit;
  color: inherit;
  margin: 0;
  padding: 0;
  letter-spacing: inherit;
}

.verified-badge {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.verified-badge path {
  fill: var(--badge-fill);
}

p.bio {
  font-size: 19px;
  font-style: italic;
  color: var(--text-secondary);
  max-width: 620px;
  margin-top: 0;
  margin-bottom: 24px;
}

p.bio + p.bio {
  margin-top: 24px;
}

footer {
  text-align: center;
  padding: 40px 0 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: #999;
  border-top: 1px solid var(--border-color);
  margin-top: 50px;
}

@media (max-width: 900px) {
  .matrix-rain {
    width: 60px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    transform: translateX(-100%);
    border-right: none;
    box-shadow: 2px 0 12px rgba(0, 0, 0, 0.1);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .close-sidebar {
    display: block;
  }

  .overlay.active {
    display: block;
  }

  .main-content {
    padding: 70px 20px 40px;
  }

  body {
    flex-direction: column;
  }

  .profile-block {
    margin-top: -15px;
    margin-bottom: 15px;
  }

  .profile-name {
    font-size: 14px;
    gap: 6px;
    margin-bottom: 16px;
  }

  .verified-badge {
    width: 14px;
    height: 14px;
  }

  p.bio {
    font-size: 17px;
    margin-bottom: 22px;
  }

  p.bio + p.bio {
    margin-top: 22px;
  }

  .matrix-rain {
    width: 42px;
  }
}

@media (max-width: 600px) {
  .mobile-nav {
    padding: 20px 24px;
  }

  .mobile-logo {
    font-size: 20px;
  }

  .mobile-contacts {
    gap: 18px;
  }

  .mobile-contacts a {
    font-size: 13px;
  }
}

@media (max-width: 500px) {
  .sidebar {
    width: 260px;
  }
}

@media (max-width: 420px) {
  .matrix-rain {
    width: 28px;
  }
}