:root {
  --portfolio-glass-surface: rgba(255, 255, 255, .18);
  --portfolio-glass-surface-hover: rgba(255, 255, 255, .24);
  --portfolio-glass-surface-active: rgba(255, 255, 255, .32);
  --portfolio-glass-edge: rgba(255, 255, 255, .62);
  --portfolio-glass-filter: blur(8px) saturate(1.08) brightness(1.02);
}

.portfolio-glass {
  background-color: var(--portfolio-glass-surface);
  border: 1px solid var(--portfolio-glass-edge);
  -webkit-backdrop-filter: var(--portfolio-glass-filter);
  backdrop-filter: var(--portfolio-glass-filter);
}

.back-link.portfolio-glass {
  border: 0;
  border-radius: 50%;
}

.back-link.portfolio-glass:hover,
.back-link.portfolio-glass:focus-visible {
  background-color: var(--portfolio-glass-surface-hover);
}

.portfolio-contact-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.portfolio-contact-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  height: 48px;
  border-radius: 999px;
  background: #f5f5f7;
  color: #1c1c1c;
  text-decoration: none;
  transition: background-color 160ms ease-out;
}

.portfolio-contact-control--cv {
  padding-inline: 20px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.portfolio-contact-control--icon { width: 48px; }
.portfolio-contact-control img { display: block; width: 20px; height: 20px; }

.portfolio-contact-controls .portfolio-contact-control:hover,
.portfolio-contact-controls .portfolio-contact-control:focus-visible,
.back-link.portfolio-contact-control:hover,
.back-link.portfolio-contact-control:focus-visible { background: #e9e9ed; }

.portfolio-contact-controls .portfolio-contact-control:focus-visible,
.back-link.portfolio-contact-control:focus-visible { outline: 2px solid #4469c6; outline-offset: 3px; }

.portfolio-contact-controls--footer { justify-content: center; }

.topbar .back-link.portfolio-contact-control { display: grid; place-items: center; width: 48px; height: 48px; }
.back-link.portfolio-contact-control svg { display: block; width: 20px; height: 20px; }
.back-link.portfolio-contact-control { transition: none; }
.back-link.portfolio-contact-control:hover { color: #1c1c1c; }
.topbar .portfolio-contact-controls--header { position: absolute; top: 48px; right: 0; }
.topbar--sber .portfolio-contact-controls--header { top: 14px; }

.portfolio-footer-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 180px;
  padding: 30px 60px;
  border-radius: 36px;
  background: #1c1c1c;
  color: #fff;
  text-align: left;
}

.portfolio-footer-panel h2 {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  font-size: 48px;
  font-weight: 500;
  line-height: 65px;
  letter-spacing: -.02em;
}

.portfolio-footer-panel .portfolio-contact-controls--footer {
  flex: none;
  justify-content: flex-end;
  margin-top: 0;
}

@media (max-width: 880px) {
  .portfolio-footer-panel { display: block; text-align: center; }
  .portfolio-footer-panel h2 { justify-content: center; }
  .portfolio-footer-panel .portfolio-contact-controls--footer {
    justify-content: center;
    margin-top: 32px;
  }
}

@media (max-width: 700px) {
  .portfolio-footer-panel {
    min-height: 0;
    padding: 26px 22px 29px;
    border-radius: 28px;
  }
  .portfolio-footer-panel h2 {
    max-width: 250px;
    margin-inline: auto;
    font-size: clamp(38px, 10vw, 43px);
    line-height: 1.07;
  }
  .portfolio-footer-panel .portfolio-contact-controls--footer { margin-top: 22px; }
}

@media (max-width: 600px) {
  .portfolio-contact-controls { gap: 4px; }
  .portfolio-contact-control { height: 44px; }
  .portfolio-contact-control--cv { padding-inline: 12px; font-size: 13px; }
  .portfolio-contact-control--icon { width: 42px; }
  .portfolio-contact-control img { width: 18px; height: 18px; }
  .topbar .back-link.portfolio-contact-control { width: 44px; height: 44px; }
  .topbar .portfolio-contact-controls--header { top: 32px; }
  .topbar--sber .portfolio-contact-controls--header { top: 12px; }
}

.portfolio-cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2147483647;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: rgba(125, 131, 133, .5);
  -webkit-backdrop-filter: blur(1.4px) saturate(1.06) brightness(1.04);
  backdrop-filter: blur(1.4px) saturate(1.06) brightness(1.04);
  box-shadow: inset 0 0 0 .75px rgba(52, 59, 61, .2), 0 1px 2px rgba(25, 32, 32, .1);
  box-sizing: border-box;
  opacity: 0;
  visibility: hidden;
  transform: translate3d(-100px, -100px, 0) translate(-50%, -50%);
  transition: width 110ms ease-out, height 110ms ease-out;
  pointer-events: none;
  will-change: transform;
}

.portfolio-cursor.is-visible { opacity: 1; visibility: visible; }
.portfolio-cursor.is-interactive { width: 24px; height: 24px; }

@media (prefers-reduced-motion: reduce) {
  .portfolio-cursor { transition: none; }
  .portfolio-contact-control { transition: none; }
}

@media (pointer: fine) and (hover: hover) {
  html.has-portfolio-cursor,
  html.has-portfolio-cursor * { cursor: none !important; }
}

@media (pointer: coarse), (hover: none) {
  .portfolio-cursor { display: none; }
}