.sources-slide {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: #030303;
  isolation: isolate;
}

.sources-slide__bg {
  position: absolute;
  inset: 0;
  background-image: url("../img/4.png");
  background-size: cover;
  background-position: center center;
  transform: scale(1.02);
  filter: saturate(0.88) brightness(0.56);
}

.sources-slide__overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sources-slide__overlay--base {
  background: rgba(0, 0, 0, 0.42);
}

.sources-slide__overlay--shade {
  background:
    linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.18) 0%,
      rgba(0, 0, 0, 0.24) 24%,
      rgba(0, 0, 0, 0.50) 56%,
      rgba(0, 0, 0, 0.82) 100%
    );
}

.sources-slide__overlay--accent {
  background:
    radial-gradient(circle at 50% 58%, rgba(155, 24, 40, 0.12), transparent 24%),
    radial-gradient(circle at 18% 18%, rgba(155, 24, 40, 0.08), transparent 20%),
    radial-gradient(circle at 84% 76%, rgba(155, 24, 40, 0.08), transparent 22%);
  mix-blend-mode: screen;
}

.sources-slide__inner {
  position: relative;
  z-index: 2;
  min-height: 100svh;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 48px 22px 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sources-slide__head {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) 320px;
  gap: 22px;
  align-items: start;
}

.sources-slide__eyebrow {
  display: inline-flex;
  align-items: center;
  width: max-content;
  min-height: 42px;
  padding: 10px 18px;
  border: 1px solid rgba(118, 18, 30, 0.72);
  border-radius: 999px;
  background: rgba(9, 9, 9, 0.18);
  backdrop-filter: blur(12px);
  color: rgba(255, 255, 255, 0.84);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.sources-slide__intro {
  max-width: 920px;
}

.sources-slide__title {
  margin: 0;
  font-size: clamp(34px, 5vw, 84px);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.055em;
  color: rgba(255, 255, 255, 0.98);
  text-shadow: 0 10px 28px rgba(0, 0, 0, 0.34);
}

.sources-slide__lead {
  margin: 16px 0 0;
  max-width: 760px;
  font-size: clamp(15px, 1.2vw, 20px);
  line-height: 1.6;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
}

.sources-slide__note {
  padding: 18px;
  border: 1px solid rgba(110, 17, 29, 0.58);
  border-radius: 24px;
  background: rgba(7, 7, 7, 0.24);
  backdrop-filter: blur(14px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.03),
    0 18px 44px rgba(0, 0, 0, 0.24);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.74);
}

.sources-stage {
  position: relative;
  min-height: 900px;
  flex: 1;
}

.sources-stage__glow,
.sources-stage__ring,
.sources-stage__core {
  position: absolute;
  pointer-events: none;
}

.sources-stage__glow {
  border-radius: 999px;
  filter: blur(28px);
}

.sources-stage__glow--one {
  width: 340px;
  height: 340px;
  left: 50%;
  top: 54%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(172, 28, 45, 0.18), transparent 68%);
  animation: sourcesFloatGlowOne 9s ease-in-out infinite;
}

.sources-stage__glow--two {
  width: 180px;
  height: 180px;
  right: 12%;
  top: 20%;
  background: radial-gradient(circle, rgba(172, 28, 45, 0.10), transparent 70%);
  animation: sourcesFloatGlowTwo 11s ease-in-out infinite;
}

.sources-stage__center {
  position: absolute;
  left: 50%;
  top: 56%;
  transform: translate(-50%, -50%);
  width: min(42vw, 620px);
  aspect-ratio: 1 / 1;
  pointer-events: none;
}

.sources-stage__ring {
  left: 50%;
  top: 50%;
  border: 1px solid rgba(155, 24, 40, 0.14);
  border-radius: 999px;
  transform: translate(-50%, -50%);
}

.sources-stage__ring--one {
  width: 72%;
  height: 72%;
  animation: sourcesSpinOne 18s linear infinite;
}

.sources-stage__ring--two {
  width: 96%;
  height: 96%;
  border-style: dashed;
  border-color: rgba(155, 24, 40, 0.10);
  animation: sourcesSpinTwo 24s linear infinite reverse;
}

.sources-stage__ring--three {
  width: 120%;
  height: 120%;
  border-color: rgba(255, 255, 255, 0.05);
  animation: sourcesPulseRing 5.5s ease-in-out infinite;
}

.sources-stage__core {
  left: 50%;
  top: 50%;
  width: 34%;
  height: 34%;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle, rgba(170, 28, 44, 0.18), rgba(170, 28, 44, 0.06) 48%, transparent 74%);
  filter: blur(10px);
}

.source-node {
  position: absolute;
  width: 280px;
  min-height: 170px;
  padding: 20px;
  border: 1px solid rgba(110, 17, 29, 0.58);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(10, 10, 10, 0.24), rgba(10, 10, 10, 0.36));
  backdrop-filter: blur(14px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.03),
    0 18px 44px rgba(0, 0, 0, 0.26);
  overflow: hidden;
  z-index: 2;
  transition:
    transform 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    background 0.35s ease;
}

.source-node::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(150, 24, 40, 0.14), transparent 42%, rgba(150, 24, 40, 0.04));
  pointer-events: none;
}

.source-node::after {
  content: "";
  position: absolute;
  top: -140%;
  left: -36%;
  width: 38%;
  height: 330%;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(255, 255, 255, 0.03) 18%,
    rgba(255, 255, 255, 0.14) 52%,
    rgba(255, 255, 255, 0.03) 82%,
    transparent 100%
  );
  transform: rotate(22deg);
  animation: sourcesCardShine 8s ease-in-out infinite;
  pointer-events: none;
}

.source-node:hover {
  transform: translateY(-6px);
  border-color: rgba(160, 30, 46, 0.82);
  box-shadow:
    0 0 0 1px rgba(150, 24, 39, 0.22),
    0 22px 52px rgba(39, 4, 8, 0.42);
}

.source-node__badge,
.source-node__content {
  position: relative;
  z-index: 1;
}

.source-node__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  padding: 0 12px;
  margin-bottom: 16px;
  border: 1px solid rgba(164, 32, 48, 0.62);
  border-radius: 14px;
  background: rgba(18, 18, 18, 0.34);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.03),
    0 0 18px rgba(142, 24, 39, 0.14);
  color: rgba(255, 255, 255, 0.96);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  animation: sourcesBadgePulse 4.8s ease-in-out infinite;
}

.source-node__title {
  margin: 0;
  font-size: clamp(20px, 1.6vw, 30px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: rgba(255, 255, 255, 0.97);
}

.source-node__text {
  margin: 12px 0 0;
  font-size: clamp(13px, 0.95vw, 16px);
  line-height: 1.6;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
}

/* РОЗКЛАДКА ПО КОЛУ БЕЗ НАКЛАДАННЯ */
.source-node--facebook {
  top: 110px;
  left: 30px;
}

.source-node--uac {
  top: 110px;
  right: 30px;
}

.source-node--ppc {
  top: 380px;
  left: 20px;
}

.source-node--aso {
  top: 380px;
  right: 20px;
}

.source-node--influencer {
  left: 90px;
  bottom: 90px;
}

.source-node--data-layer {
  left: 50%;
  bottom: 48px;
  transform: translateX(-50%);
  width: 360px;
  min-height: auto;
  padding: 20px;
  border-color: rgba(148, 28, 43, 0.78);
  background:
    linear-gradient(180deg, rgba(18, 9, 11, 0.42), rgba(10, 10, 10, 0.40));
  box-shadow:
    0 0 0 1px rgba(150, 24, 39, 0.14),
    0 18px 46px rgba(39, 4, 8, 0.32);
  z-index: 3;
}

.source-node--data-layer::after {
  animation: none;
}

.source-node--data-layer .source-node__badge {
  animation: none;
}

.source-node--data-layer:hover {
  transform: translateX(-50%) translateY(-4px);
}

@keyframes sourcesSpinOne {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes sourcesSpinTwo {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes sourcesPulseRing {
  0%,
  100% {
    opacity: 0.45;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 0.82;
    transform: translate(-50%, -50%) scale(1.03);
  }
}

@keyframes sourcesFloatGlowOne {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.78;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.08);
    opacity: 1;
  }
}

@keyframes sourcesFloatGlowTwo {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
    opacity: 0.62;
  }
  50% {
    transform: translate3d(-14px, 16px, 0);
    opacity: 0.95;
  }
}

@keyframes sourcesCardShine {
  0% {
    transform: translateX(-180%) rotate(22deg);
    opacity: 0;
  }
  10% {
    opacity: 0.18;
  }
  36% {
    opacity: 0.24;
  }
  58% {
    transform: translateX(420%) rotate(22deg);
    opacity: 0;
  }
  100% {
    transform: translateX(420%) rotate(22deg);
    opacity: 0;
  }
}

@keyframes sourcesBadgePulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.03),
      0 0 18px rgba(142, 24, 39, 0.14);
  }
  50% {
    transform: scale(1.06);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.03),
      0 0 28px rgba(182, 34, 52, 0.24);
  }
}

/* LARGE LAPTOP */
@media (max-width: 1450px) {
  .sources-stage {
    min-height: 920px;
  }

  .source-node {
    width: 250px;
    min-height: 160px;
  }

  .source-node--facebook {
    left: 10px;
  }

  .source-node--uac {
    right: 10px;
  }

  .source-node--ppc {
    left: 0;
  }

  .source-node--aso {
    right: 0;
  }

  .source-node--influencer {
    left: 40px;
  }

  .source-node--data-layer {
    width: 320px;
  }
}

/* TABLET / SMALL DESKTOP */
@media (max-width: 1180px) {
  .sources-slide__inner {
    padding: 40px 18px 24px;
  }

  .sources-slide__head {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .sources-stage {
    min-height: 980px;
  }

  .sources-stage__center {
    width: min(52vw, 500px);
    top: 52%;
  }

  .source-node {
    width: 230px;
    min-height: 154px;
    padding: 18px;
  }

  .source-node--facebook {
    top: 140px;
    left: 0;
  }

  .source-node--uac {
    top: 140px;
    right: 0;
  }

  .source-node--ppc {
    top: 430px;
    left: 0;
  }

  .source-node--aso {
    top: 430px;
    right: 0;
  }

  .source-node--influencer {
    left: 20px;
    bottom: 120px;
  }

  .source-node--data-layer {
    width: 300px;
    bottom: 56px;
  }
}

/* MOBILE */
@media (max-width: 900px) {
  .sources-slide__inner {
    padding: 28px 14px 16px;
    gap: 16px;
  }

  .sources-slide__title {
    font-size: clamp(30px, 8vw, 52px);
    line-height: 0.98;
  }

  .sources-slide__lead {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.55;
  }

  .sources-stage {
    min-height: auto;
    display: grid;
    gap: 12px;
  }

  .sources-stage__glow,
  .sources-stage__center {
    display: none;
  }

  .source-node,
  .source-node--data-layer {
    position: relative;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    transform: none;
    width: 100%;
    min-width: 0;
    max-width: none;
    min-height: auto;
  }

  .source-node::after,
  .source-node__badge {
    animation-duration: 9s;
  }

  .source-node {
    padding: 16px;
    border-radius: 20px;
  }

  .source-node__badge {
    width: 40px;
    height: 40px;
    margin-bottom: 14px;
    border-radius: 12px;
    font-size: 13px;
  }

  .source-node__title {
    font-size: 20px;
  }

  .source-node__text {
    font-size: 14px;
  }

  .source-node--data-layer:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 520px) {
  .sources-slide__inner {
    padding: 22px 10px 14px;
  }

  .sources-slide__eyebrow {
    min-height: 36px;
    padding: 8px 14px;
    font-size: 10px;
  }

  .sources-slide__note,
  .source-node {
    border-radius: 18px;
  }

  .sources-slide__note {
    padding: 14px;
    font-size: 13px;
  }

  .source-node {
    padding: 14px;
  }

  .source-node__title {
    font-size: 18px;
  }

  .source-node__text {
    font-size: 13px;
  }

  .source-node__badge {
    min-width: 38px;
    height: 38px;
    border-radius: 10px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sources-stage__glow,
  .sources-stage__ring,
  .source-node::after,
  .source-node__badge {
    animation: none !important;
  }

  .source-node {
    transition: none !important;
  }
}