src/components/UniverseLogo.module.css - main - spirzen/it-knowledge-base

src/components/UniverseLogo.module.css
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Spirzen
Кавычки 2
26 май 2026, 23:25
26 май 2026, 23:257d44b4c
/* Интерактивный логотип "Вселенная IT" — всегда в тёмной палитре */

.logoLink {
  display: inline-block;
  text-decoration: none;
  color: inherit;
  border-radius: 20px;
  outline: none;
}

.logoLink:hover {
  text-decoration: none;
  color: inherit;
}

.logoLink:focus-visible .logo {
  outline: 3px solid #9370db;
  outline-offset: 6px;
}

.logo {
  /* Палитра всегда как в тёмной теме сайта */
  --logo-glow-core: #9370db;
  --logo-glow-edge: transparent;
  --logo-title-from: #e8e8e8;
  --logo-title-mid: #b19cd9;
  --logo-title-to: #6a8cff;
  --logo-core-bg: linear-gradient(145deg, #9370db 0%, #6a8cff 50%, #4ecb8d 100%);
  --logo-core-text: #ffffff;
  --logo-spotlight: rgba(147, 112, 219, 0.28);
  --logo-spotlight-strong: rgba(110, 231, 168, 0.2);
  --logo-glyph: rgba(177, 156, 217, 0.22);
  --logo-star: rgba(200, 184, 232, 0.75);
  --logo-orbit-stroke: rgba(147, 112, 219, 0.35);
  --logo-spoke: rgba(147, 112, 219, 0.18);
  --logo-surface: #14141c;
  --logo-surface-mid: #1a1d2e;
  --logo-surface-edge: #12121a;
  --logo-border: rgba(147, 112, 219, 0.38);
  --logo-hint: #a8a8b8;
  --logo-hint-active: #b19cd9;
  --logo-primary: #9370db;
  --logo-spot-soft: rgba(147, 112, 219, 0.35);

  --ptr-x: 0.5;
  --ptr-y: 0.5;
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  position: relative;
  width: min(100%, 42rem);
  min-height: 11rem;
  margin: 0 auto;
  padding: 1.75rem 2rem 2.25rem;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
  transform-style: preserve-3d;
  transform: perspective(900px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transition:
    transform 0.35s cubic-bezier(0.23, 1, 0.32, 1),
    box-shadow 0.35s ease;
  background: linear-gradient(
    160deg,
    var(--logo-surface-mid) 0%,
    var(--logo-surface) 48%,
    var(--logo-surface-edge) 100%
  );
  border: 1px solid var(--logo-border);
  box-shadow:
    0 4px 28px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(147, 112, 219, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.logo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at calc(var(--ptr-x) * 100%) calc(var(--ptr-y) * 100%),
    var(--logo-spotlight-strong) 0%,
    var(--logo-spotlight) 22%,
    transparent 55%
  );
  opacity: 0.85;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.logoActive::before,
.logoFocused::before {
  opacity: 1;
}

.logo:hover,
.logoActive {
  box-shadow:
    0 14px 44px rgba(0, 0, 0, 0.55),
    0 0 32px rgba(147, 112, 219, 0.22),
    0 0 0 1px rgba(147, 112, 219, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.starCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.star {
  fill: var(--logo-star);
  animation: starTwinkle 3.2s ease-in-out infinite;
}

@keyframes starTwinkle {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1.15);
  }
}

.orbitRingGroup {
  transform-origin: 50px 50px;
  animation: orbitSpin 48s linear infinite;
}

.orbitRingSvg {
  stroke: var(--logo-orbit-stroke);
  stroke-width: 0.35;
  stroke-dasharray: 2 3;
}

@keyframes orbitSpin {
  to {
    transform: rotate(360deg);
  }
}

.spoke {
  stroke: var(--logo-spoke);
  stroke-width: 0.25;
  transition: stroke 0.25s ease, stroke-width 0.25s ease;
}

.spokeLit {
  stroke: color-mix(in srgb, var(--node-color, var(--logo-primary)) 55%, transparent);
  stroke-width: 0.45;
}

.orbitNodeSvg {
  fill: var(--node-color, var(--logo-primary));
  opacity: 0.55;
  transition:
    opacity 0.25s ease,
    r 0.25s ease,
    filter 0.25s ease;
}

.orbitNodeSvgLit {
  opacity: 1;
  filter: drop-shadow(0 0 4px var(--node-color));
}

.glyphField {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.glyph {
  position: absolute;
  font-family: var(--ifm-font-family-monospace);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--logo-glyph);
  opacity: 0.5;
  animation: glyphDrift 14s ease-in-out infinite;
  animation-delay: calc(var(--glyph-i) * -1.4s);
  user-select: none;
}

@keyframes glyphDrift {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 0.35;
  }
  50% {
    transform: translate(6px, -10px) rotate(8deg);
    opacity: 0.7;
  }
}

.spotlight {
  position: absolute;
  width: 12rem;
  height: 12rem;
  left: calc(var(--ptr-x) * 100% - 6rem);
  top: calc(var(--ptr-y) * 100% - 6rem);
  border-radius: 50%;
  background: radial-gradient(
    circle,
    var(--logo-spot-soft) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 3;
  mix-blend-mode: soft-light;
  transition: left 0.12s linear, top 0.12s linear;
}

.wordmark {
  position: relative;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 1.35rem;
}

.titleLine {
  display: block;
}

.titleWord {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.02em;
  font-size: clamp(1.65rem, 5.5vw, 2.85rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.05;
  text-transform: uppercase;
}

.titleLetter {
  display: inline-block;
  background: linear-gradient(
    120deg,
    var(--logo-title-from) 0%,
    var(--logo-title-mid) 42%,
    var(--logo-title-to) 88%
  );
  background-size: 200% 200%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
  transform: translateY(0) scale(1);
  animation: letterShimmer 6s ease-in-out infinite;
  animation-delay: calc(var(--letter-i) * 0.08s);
}

.logo:hover .titleLetter,
.logoActive .titleLetter {
  transform: translateY(calc((var(--letter-i) - 4) * -0.6px)) scale(1.03);
}

@keyframes letterShimmer {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.coreBadge {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: clamp(4.5rem, 14vw, 6.5rem);
  height: clamp(4.5rem, 14vw, 6.5rem);
  flex-shrink: 0;
}

.coreRing,
.coreRingOuter {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(147, 112, 219, 0.45);
  pointer-events: none;
}

.coreRing {
  inset: 4%;
  animation: corePulse 2.8s ease-in-out infinite;
}

.coreRingOuter {
  inset: -6%;
  border-style: dashed;
  opacity: 0.5;
  animation: coreSpin 16s linear infinite;
}

@keyframes corePulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.06);
    opacity: 1;
  }
}

@keyframes coreSpin {
  to {
    transform: rotate(360deg);
  }
}

.coreLabel {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72%;
  height: 72%;
  border-radius: 50%;
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--logo-core-text);
  background: var(--logo-core-bg);
  box-shadow:
    0 4px 24px rgba(147, 112, 219, 0.45),
    inset 0 -2px 10px rgba(0, 0, 0, 0.35),
    inset 0 2px 6px rgba(255, 255, 255, 0.2);
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}

.logo:hover .coreLabel,
.logoActive .coreLabel {
  transform: scale(1.06);
}

.coreHint {
  position: absolute;
  bottom: -1.35rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--logo-hint);
  white-space: nowrap;
  opacity: 0.9;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.logoActive .coreHint {
  color: var(--logo-hint-active);
  opacity: 1;
}

.orbitLegend {
  position: absolute;
  bottom: 0.65rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.35rem;
  z-index: 5;
  pointer-events: none;
}

.legendDot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--node-color);
  opacity: 0.35;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.legendDotLit {
  opacity: 1;
  transform: scale(1.35);
  box-shadow: 0 0 8px var(--node-color);
}

.visuallyHidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  .logo {
    transform: none;
    transition: box-shadow 0.2s ease;
  }

  .star,
  .orbitRingSvg,
  .coreRing,
  .coreRingOuter,
  .glyph,
  .titleLetter {
    animation: none;
  }

  .spotlight {
    display: none;
  }
}

@media screen and (max-width: 520px) {
  .logo {
    padding: 1.35rem 1rem 2rem;
    min-height: 10rem;
  }

  .titleWord {
    letter-spacing: 0.04em;
  }

  .orbitLegend {
    gap: 0.28rem;
  }

  .legendDot {
    width: 0.38rem;
    height: 0.38rem;
  }
}