* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

html, body {
  overflow: hidden;
  background: black;
  color: white;
}

/* SLIDER */
.slider {
  display: flex;
  width: 300vw;
  height: 100vh;
  transition: transform 0.6s ease;
  overflow: hidden;
}

/* SLIDES */
.slide {
  width: 100vw;
  height: 100vh;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  opacity: 0.4;
  transition: opacity 0.8s ease;
}

.slide.active {
  opacity: 1;
}

/* BG */
.bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.1);
  transition: transform 1.2s ease;
}

.slide.active .bg {
  transform: scale(1);
}

/* CONTENT */
.content {
  position: absolute;
  top: 50%;
  left: 80px;
  transform: translateY(-50%);
  z-index: 2;
  max-width: 600px;
}

/* TYPO */
.subtitle {
  font-size: 16px;
  letter-spacing: 2px;
  opacity: 0.6;
  margin-bottom: 10px;
}

.title {
  font-size: clamp(48px, 10vw, 120px);
  font-weight: 800;
  margin-bottom: 30px;
}

.description {
  font-size: 16px;
  line-height: 1.6;
  max-width: 500px;
  opacity: 0.85;
}

/* ANIMATION */
.content > * {
  opacity: 0;
  transform: translateY(30px);
}

.slide.active .content > * {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.8s ease;
}

.slide.active .subtitle { transition-delay: 0.1s; }
.slide.active .title { transition-delay: 0.2s; }
.slide.active .description { transition-delay: 0.4s; }

/* UI */
.progress-ui {
  position: fixed;
  bottom: 40px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 60px;
  z-index: 20;
}

.arrow {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: 0.3s;
}

.arrow:hover {
  background: white;
  color: black;
}

/* CTA */
.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  color: white;
  font-size: 22px;
  text-decoration: none;
}

.circle {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  color: black;
  opacity: 0;
  transform: scale(0.8);
  transition: 0.3s;
}

.text {
  position: relative;
}

.text::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: white;
  transform-origin: right;
  transition: transform 0.4s;
}

.cta-link:hover .circle {
  opacity: 1;
  transform: scale(1);
}

.cta-link:hover .text::after {
  transform: scaleX(0);
}

/* HEADER */
.header {
  position: fixed;
  top: 30px;
  left: 40px;
  z-index: 50;
}

.logo img {
  width: clamp(60px, 5vw, 120px);
}

/* ===================== */
/* MODAL */
/* ===================== */

.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 100;

  display: flex;
  align-items: center;
  justify-content: center;

  opacity: 0;
  pointer-events: none;
  transition: 0.4s ease;
}

.qr-modal.active {
  opacity: 1;
  pointer-events: all;
}

.qr-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
}

/* КОНТЕНТ (🔥 главный фикс) */
.qr-content {
  position: relative; /* вместо absolute */
  transform: scale(0.9);

  background: #111;
  padding: 40px;
  border-radius: 12px;

  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;

  transition: 0.4s ease;
}

.qr-modal.active .qr-content {
  transform: scale(1);
}

/* QR */
.qr-image {
  width: 200px;
  border-radius: 6px;

  opacity: 0;
  transform: scale(0.8);
  transition: 0.6s cubic-bezier(0.22, 1, 0.36, 1);

  box-shadow:
    0 0 20px rgba(255,255,255,0.15),
    0 0 60px rgba(255,255,255,0.25);
}

.qr-modal.active .qr-image {
  opacity: 1;
  transform: scale(1);
}

/* 3D */
.qr-scene {
  perspective: 800px;
}

.qr-card {
  width: 200px;
  height: 200px;
  transform-style: preserve-3d;
}

/* CLOSE */
.qr-close {
  position: absolute;
  top: 10px;
  right: 15px;
  cursor: pointer;
}

/* кликабельный блок */
.qr-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;

  text-decoration: none;
  color: white;
}

/* текст */
.qr-text {
  font-size: 16px;
  opacity: 0.85;
  position: relative;
}

/* underline */
.qr-text::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: white;

  transform-origin: left;
  transition: transform 0.3s ease;
}

.qr-wrapper:hover .qr-text::after {
  transform: scaleX(0);
}

/* hover эффект */
.qr-wrapper:hover .qr-card {
  transform: scale(1.08);
}

/* ПРОГРЕСС */
.progress {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 40%;
}

/* линия */
.line {
  flex: 1;
  height: 2px;
  background: rgba(255,255,255,0.2);
  position: relative;
  overflow: hidden;
}

/* заполнение */
.line-fill {
  position: absolute;
  height: 100%;
  width: 0%;
  background: white;
  transition: width 0.5s ease;
}

/* цифры */
.num {
  font-size: 18px;
  opacity: 0.8;
}

/* brighter slider arrows */
.arrow {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.95);
  color: #050505;
  font-size: 28px;
  font-weight: 700;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.22),
    0 8px 24px rgba(0, 0, 0, 0.45),
    0 0 28px rgba(255, 255, 255, 0.42);
  animation: arrowPulse 2.2s ease-in-out infinite;
}

.arrow:hover {
  background: #f5d24b;
  border-color: #f5d24b;
  color: #050505;
  transform: translateY(-2px) scale(1.08);
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.52),
    0 0 34px rgba(245, 210, 75, 0.72);
}

.arrow:active {
  transform: translateY(0) scale(0.98);
}

@keyframes arrowPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow:
      0 0 0 1px rgba(0, 0, 0, 0.22),
      0 8px 24px rgba(0, 0, 0, 0.45),
      0 0 22px rgba(255, 255, 255, 0.35);
  }

  50% {
    transform: scale(1.06);
    box-shadow:
      0 0 0 1px rgba(0, 0, 0, 0.22),
      0 10px 28px rgba(0, 0, 0, 0.5),
      0 0 38px rgba(245, 210, 75, 0.62);
  }
}

@media (prefers-reduced-motion: reduce) {
  .arrow {
    animation: none;
  }
}


/* large centered slider controls */
.progress-ui {
  inset: 0;
  bottom: auto;
  height: 100vh;
  padding: 0 clamp(18px, 3vw, 54px);
  align-items: center;
  pointer-events: none;
}

.progress {
  position: fixed;
  left: 50%;
  bottom: 40px;
  width: min(520px, calc(100vw - 220px));
  transform: translateX(-50%);
  pointer-events: auto;
}

.arrow {
  width: clamp(86px, 9vw, 150px);
  height: min(68vh, 620px);
  min-height: 360px;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(245,210,75,0.86));
  color: #050505;
  font-size: 0;
  pointer-events: auto;
  opacity: 0.9;
  box-shadow:
    0 18px 44px rgba(0, 0, 0, 0.56),
    0 0 42px rgba(245, 210, 75, 0.5);
  animation: sideButtonPulse 2.4s ease-in-out infinite;
}

.arrow::before {
  font-size: clamp(76px, 10vw, 140px);
  line-height: 1;
  font-weight: 300;
}

.arrow.left::before {
  content: "‹";
}

.arrow.right::before {
  content: "›";
}

.arrow:hover {
  opacity: 1;
  background: linear-gradient(180deg, #ffffff, #f5d24b);
  transform: scale(1.04);
  box-shadow:
    0 24px 54px rgba(0, 0, 0, 0.62),
    0 0 58px rgba(245, 210, 75, 0.78);
}

.arrow:active {
  transform: scale(0.99);
}

@keyframes sideButtonPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.82;
    box-shadow:
      0 16px 40px rgba(0, 0, 0, 0.5),
      0 0 32px rgba(245, 210, 75, 0.42);
  }

  50% {
    transform: scale(1.035);
    opacity: 0.98;
    box-shadow:
      0 22px 52px rgba(0, 0, 0, 0.62),
      0 0 62px rgba(245, 210, 75, 0.72);
  }
}

@media (max-width: 720px) {
  .progress-ui {
    padding: 0 12px;
  }

  .arrow {
    width: 64px;
    height: 52vh;
    min-height: 260px;
    border-radius: 22px;
  }

  .arrow::before {
    font-size: 72px;
  }

  .progress {
    width: calc(100vw - 160px);
    bottom: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .arrow {
    animation: none;
  }
}


/* site-style side navigation, no text overlap */
.content {
  left: clamp(96px, 8vw, 150px);
  max-width: min(620px, calc(100vw - 240px));
}

.progress-ui {
  inset: 0;
  height: 100vh;
  padding: 0 clamp(20px, 2.1vw, 34px);
  align-items: center;
  pointer-events: none;
}

.arrow {
  width: clamp(58px, 4.2vw, 82px);
  height: min(72vh, 620px);
  min-height: 340px;
  border-radius: 0;
  background: rgba(5, 10, 18, 0.26);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-left-color: rgba(255, 255, 255, 0.18);
  border-right-color: rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.96);
  font-size: 0;
  opacity: 0.94;
  backdrop-filter: blur(12px);
  pointer-events: auto;
  box-shadow:
    inset 0 0 42px rgba(255, 255, 255, 0.08),
    0 0 24px rgba(0, 210, 255, 0.22),
    0 0 38px rgba(255, 0, 140, 0.12);
  animation: siteArrowPulse 2.8s ease-in-out infinite;
}

.arrow.left {
  border-radius: 0 30px 30px 0;
}

.arrow.right {
  border-radius: 30px 0 0 30px;
}

.arrow::before {
  font-size: clamp(58px, 6vw, 92px);
  font-weight: 200;
  line-height: 1;
  text-shadow:
    0 0 16px rgba(255, 255, 255, 0.68),
    0 0 28px rgba(0, 210, 255, 0.38);
}

.arrow.left::before {
  content: "‹";
}

.arrow.right::before {
  content: "›";
}

.arrow:hover {
  background: rgba(10, 18, 28, 0.42);
  border-color: rgba(255, 255, 255, 0.78);
  color: #fff;
  transform: scaleX(1.08);
  box-shadow:
    inset 0 0 54px rgba(255, 255, 255, 0.12),
    0 0 34px rgba(0, 210, 255, 0.38),
    0 0 54px rgba(255, 0, 140, 0.22);
}

.arrow:active {
  transform: scaleX(1.02);
}

@keyframes siteArrowPulse {
  0%, 100% {
    opacity: 0.78;
    box-shadow:
      inset 0 0 34px rgba(255, 255, 255, 0.06),
      0 0 18px rgba(0, 210, 255, 0.18),
      0 0 28px rgba(255, 0, 140, 0.08);
  }

  50% {
    opacity: 0.98;
    box-shadow:
      inset 0 0 48px rgba(255, 255, 255, 0.12),
      0 0 34px rgba(0, 210, 255, 0.34),
      0 0 50px rgba(255, 0, 140, 0.2);
  }
}

@media (max-width: 720px) {
  .content {
    left: 86px;
    max-width: calc(100vw - 150px);
  }

  .progress-ui {
    padding: 0 10px;
  }

  .arrow {
    width: 52px;
    height: 58vh;
    min-height: 250px;
  }

  .arrow::before {
    font-size: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .arrow {
    animation: none;
  }
}


/* stronger pulse and edge-state visibility */
.arrow.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-22px) scale(0.96);
}

.arrow.right.is-hidden {
  transform: translateX(22px) scale(0.96);
}

.arrow.left:not(.is-hidden) {
  animation: siteArrowPulseLeft 1.75s ease-in-out infinite;
}

.arrow.right:not(.is-hidden) {
  animation: siteArrowPulseRight 1.75s ease-in-out infinite;
}

@keyframes siteArrowPulseLeft {
  0%, 100% {
    opacity: 0.74;
    transform: translateX(0) scale(1);
    box-shadow:
      inset 0 0 34px rgba(255, 255, 255, 0.06),
      0 0 20px rgba(0, 210, 255, 0.2),
      0 0 32px rgba(255, 0, 140, 0.12);
  }

  50% {
    opacity: 1;
    transform: translateX(8px) scale(1.06);
    box-shadow:
      inset 0 0 56px rgba(255, 255, 255, 0.16),
      0 0 44px rgba(0, 210, 255, 0.48),
      0 0 68px rgba(255, 0, 140, 0.3);
  }
}

@keyframes siteArrowPulseRight {
  0%, 100% {
    opacity: 0.74;
    transform: translateX(0) scale(1);
    box-shadow:
      inset 0 0 34px rgba(255, 255, 255, 0.06),
      0 0 20px rgba(0, 210, 255, 0.2),
      0 0 32px rgba(255, 0, 140, 0.12);
  }

  50% {
    opacity: 1;
    transform: translateX(-8px) scale(1.06);
    box-shadow:
      inset 0 0 56px rgba(255, 255, 255, 0.16),
      0 0 44px rgba(0, 210, 255, 0.48),
      0 0 68px rgba(255, 0, 140, 0.3);
  }
}

.arrow.left:not(.is-hidden):hover,
.arrow.right:not(.is-hidden):hover {
  animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
  .arrow.left:not(.is-hidden),
  .arrow.right:not(.is-hidden) {
    animation: none;
  }
}


/* force hidden edge arrows to stay invisible */
.arrow.is-hidden,
.arrow.left.is-hidden,
.arrow.right.is-hidden {
  animation: none !important;
  opacity: 0 !important;
  visibility: hidden;
  pointer-events: none;
}


/* restore visible state after first slide */
.arrow:not(.is-hidden) {
  visibility: visible !important;
}


/* prominent contact CTA */
.cta-link {
  margin-top: 12px;
  padding: 18px 24px 18px 18px;
  border-radius: 999px;
  background: rgba(8, 16, 28, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.72);
  color: #fff;
  gap: 16px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
  backdrop-filter: blur(12px);
  box-shadow:
    inset 0 0 34px rgba(255, 255, 255, 0.08),
    0 0 26px rgba(0, 210, 255, 0.28),
    0 0 42px rgba(255, 0, 140, 0.18);
  animation: ctaPulse 2.1s ease-in-out infinite;
}

.cta-link .circle {
  width: 54px;
  height: 54px;
  opacity: 1;
  transform: scale(1);
  background: linear-gradient(135deg, #ffffff, #70f3ff);
  color: #061018;
  font-size: 28px;
  font-weight: 700;
  box-shadow: 0 0 24px rgba(112, 243, 255, 0.55);
}

.cta-link .text {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.cta-link .time {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #70f3ff;
  font-size: 0.82em;
}

.cta-link .text::after {
  display: none;
}

.cta-link:hover {
  transform: translateY(-3px) scale(1.035);
  background: rgba(12, 26, 42, 0.72);
  border-color: rgba(112, 243, 255, 0.95);
  box-shadow:
    inset 0 0 42px rgba(255, 255, 255, 0.12),
    0 0 38px rgba(0, 210, 255, 0.48),
    0 0 62px rgba(255, 0, 140, 0.28);
}

.cta-link:hover .circle {
  transform: translateX(4px) scale(1.06);
}

@keyframes ctaPulse {
  0%, 100% {
    box-shadow:
      inset 0 0 30px rgba(255, 255, 255, 0.08),
      0 0 22px rgba(0, 210, 255, 0.24),
      0 0 34px rgba(255, 0, 140, 0.14);
  }

  50% {
    box-shadow:
      inset 0 0 42px rgba(255, 255, 255, 0.14),
      0 0 46px rgba(0, 210, 255, 0.5),
      0 0 72px rgba(255, 0, 140, 0.32);
  }
}

@media (max-width: 720px) {
  .cta-link {
    padding: 14px 18px 14px 14px;
    font-size: 18px;
  }

  .cta-link .circle {
    width: 46px;
    height: 46px;
  }

  .cta-link .text {
    white-space: normal;
  }
}


/* static left slider control */
.arrow.left.is-hidden {
  animation: none !important;
}

.arrow.left:not(.is-hidden) {
  animation: none !important;
  opacity: 0.9;
  transform: none;
  box-shadow:
    inset 0 0 34px rgba(255, 255, 255, 0.08),
    0 0 22px rgba(0, 210, 255, 0.2),
    0 0 34px rgba(255, 0, 140, 0.12);
}

.arrow.left:not(.is-hidden):hover {
  animation: none !important;
  transform: scaleX(1.04);
}


/* number-mounted slider arrows */
#prev.arrow,
#next.arrow {
  display: none !important;
}

.progress {
  width: min(620px, calc(100vw - 120px));
  gap: clamp(12px, 2vw, 22px);
}

.num {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.left-num,
.right-num {
  cursor: pointer;
  user-select: none;
}

.left-num::before,
.right-num::after {
  content: "";
  width: clamp(44px, 4.2vw, 64px);
  height: clamp(44px, 4.2vw, 64px);
  flex: 0 0 auto;
  border-radius: 50%;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  filter:
    drop-shadow(0 0 10px rgba(202, 72, 255, 0.45))
    drop-shadow(0 0 18px rgba(255, 34, 214, 0.25));
  transition: transform 0.25s ease, filter 0.25s ease, opacity 0.25s ease;
}

.left-num::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Ccircle cx='32' cy='32' r='28' fill='none' stroke='%23c84dff' stroke-width='4'/%3E%3Cpath d='M42 18 24 32 42 46M25 32h25' fill='none' stroke='%23d85cff' stroke-width='8' stroke-linecap='square' stroke-linejoin='miter'/%3E%3C/svg%3E");
}

.right-num::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Ccircle cx='32' cy='32' r='28' fill='none' stroke='%23c84dff' stroke-width='4'/%3E%3Cpath d='M22 18 40 32 22 46M39 32H14' fill='none' stroke='%23d85cff' stroke-width='8' stroke-linecap='square' stroke-linejoin='miter'/%3E%3C/svg%3E");
}

.left-num:hover::before,
.right-num:hover::after {
  transform: scale(1.08);
  filter:
    drop-shadow(0 0 14px rgba(202, 72, 255, 0.72))
    drop-shadow(0 0 26px rgba(255, 34, 214, 0.38));
}

.left-num.nav-disabled,
.right-num.nav-disabled {
  cursor: default;
}

.left-num.nav-disabled::before,
.right-num.nav-disabled::after {
  opacity: 0.34;
  filter: drop-shadow(0 0 8px rgba(202, 72, 255, 0.18));
}

@media (max-width: 720px) {
  .progress {
    width: calc(100vw - 42px);
    bottom: 26px;
    gap: 10px;
  }

  .num {
    gap: 8px;
    font-size: 15px;
  }
}


/* mobile readability for slide copy */
.description {
  opacity: 1;
  color: #fff;
  text-shadow:
    0 2px 10px rgba(0, 0, 0, 0.85),
    0 0 18px rgba(0, 0, 0, 0.55);
}

@media (max-width: 720px) {
  .content {
    left: clamp(28px, 8vw, 56px);
    right: clamp(28px, 8vw, 56px);
    max-width: none;
  }

  .subtitle {
    font-size: 13px;
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
  }

  .title {
    margin-bottom: 20px;
    text-shadow: 0 3px 16px rgba(0, 0, 0, 0.85);
  }

  .description {
    max-width: min(440px, calc(100vw - 72px));
    width: fit-content;
    padding: 12px 14px;
    border-radius: 8px;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.56), rgba(0, 0, 0, 0.24));
    border-left: 2px solid rgba(216, 92, 255, 0.72);
    font-size: clamp(13px, 3.35vw, 16px);
    line-height: 1.55;
    font-weight: 600;
    opacity: 1;
    backdrop-filter: blur(3px);
  }
}

@media (max-width: 420px) {
  .description {
    font-size: 13px;
    line-height: 1.5;
  }
}


/* full-screen QR modal on mobile */
@media (max-width: 720px) {
  .qr-modal {
    align-items: stretch;
    justify-content: stretch;
    padding: 0;
  }

  .qr-content {
    width: 100vw;
    height: 100dvh;
    min-height: 100vh;
    border-radius: 0;
    padding: max(28px, env(safe-area-inset-top)) 22px max(32px, env(safe-area-inset-bottom));
    justify-content: center;
    gap: 28px;
    background: radial-gradient(circle at center, rgba(34, 34, 38, 0.98), rgba(5, 5, 8, 0.98) 62%, #000 100%);
  }

  .qr-scene,
  .qr-card {
    width: min(86vw, 430px);
    height: min(86vw, 430px);
  }

  .qr-image {
    width: min(86vw, 430px);
    max-height: 58dvh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow:
      0 0 28px rgba(255, 255, 255, 0.22),
      0 0 78px rgba(255, 255, 255, 0.24),
      0 0 110px rgba(216, 92, 255, 0.22);
  }

  .qr-close {
    top: max(18px, env(safe-area-inset-top));
    right: 18px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.38);
    border: 1px solid rgba(255, 255, 255, 0.35);
    font-size: 26px;
    line-height: 1;
  }

  .qr-text {
    font-size: clamp(20px, 5.2vw, 28px);
    font-weight: 700;
    text-align: center;
  }
}


/* neon circular number arrows */
.left-num::before,
.right-num::after {
  width: clamp(48px, 4.6vw, 70px);
  height: clamp(48px, 4.6vw, 70px);
  border-radius: 50%;
  box-sizing: border-box;
  background: rgba(12, 8, 24, 0.44);
  border: 3px solid #c84dff;
  background-image: none !important;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #d85cff;
  box-shadow:
    0 0 10px rgba(216, 92, 255, 0.75),
    0 0 24px rgba(174, 68, 255, 0.46),
    inset 0 0 16px rgba(216, 92, 255, 0.18);
  filter: none;
  animation: neonArrowFlow 2.4s ease-in-out infinite;
}

.left-num::before {
  content: "←";
  font-size: clamp(36px, 4.1vw, 58px);
  font-weight: 900;
  line-height: 1;
  padding-bottom: 3px;
  text-shadow:
    0 0 8px rgba(216, 92, 255, 0.95),
    0 0 18px rgba(255, 65, 230, 0.62);
}

.right-num::after {
  content: "→";
  font-size: clamp(36px, 4.1vw, 58px);
  font-weight: 900;
  line-height: 1;
  padding-bottom: 3px;
  text-shadow:
    0 0 8px rgba(216, 92, 255, 0.95),
    0 0 18px rgba(255, 65, 230, 0.62);
}

.left-num:hover::before,
.right-num:hover::after {
  transform: scale(1.08);
  border-color: #ff5cff;
  color: #ff78ff;
  box-shadow:
    0 0 14px rgba(255, 92, 255, 0.95),
    0 0 34px rgba(216, 92, 255, 0.72),
    0 0 54px rgba(80, 224, 255, 0.34),
    inset 0 0 20px rgba(255, 92, 255, 0.26);
}

.left-num.nav-disabled::before,
.right-num.nav-disabled::after {
  opacity: 0.34;
  animation: none;
  color: rgba(216, 92, 255, 0.58);
  border-color: rgba(200, 77, 255, 0.58);
  box-shadow:
    0 0 8px rgba(216, 92, 255, 0.24),
    inset 0 0 10px rgba(216, 92, 255, 0.12);
}

@keyframes neonArrowFlow {
  0%, 100% {
    color: #c84dff;
    border-color: #b84cff;
    box-shadow:
      0 0 10px rgba(184, 76, 255, 0.72),
      0 0 22px rgba(184, 76, 255, 0.45),
      inset 0 0 14px rgba(184, 76, 255, 0.16);
  }

  50% {
    color: #ff57f4;
    border-color: #ff57f4;
    box-shadow:
      0 0 14px rgba(255, 87, 244, 0.9),
      0 0 32px rgba(255, 87, 244, 0.58),
      0 0 46px rgba(80, 224, 255, 0.28),
      inset 0 0 20px rgba(255, 87, 244, 0.24);
  }
}

@media (max-width: 720px) {
  .left-num::before,
  .right-num::after {
    width: 46px;
    height: 46px;
    border-width: 3px;
  }

  .left-num::before,
  .right-num::after {
    font-size: 34px;
  }
}


/* centered thick directional neon arrows */
.left-num::before,
.right-num::after {
  content: "";
  width: clamp(54px, 4.8vw, 76px);
  height: clamp(54px, 4.8vw, 76px);
  border-radius: 50%;
  border: 3px solid #c84dff;
  background-color: rgba(7, 4, 18, 0.5);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 78% 78%;
  box-sizing: border-box;
  filter: none;
  box-shadow:
    0 0 12px rgba(200, 77, 255, 0.92),
    0 0 28px rgba(200, 77, 255, 0.58),
    0 0 46px rgba(255, 64, 226, 0.25),
    inset 0 0 16px rgba(200, 77, 255, 0.2);
}

.left-num::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M62 24 36 50 62 76' fill='none' stroke='%23df62ff' stroke-width='12' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M38 50H78' fill='none' stroke='%23df62ff' stroke-width='12' stroke-linecap='round'/%3E%3C/svg%3E");
  animation: neonArrowMoveLeft 1.55s ease-in-out infinite;
}

.right-num::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M38 24 64 50 38 76' fill='none' stroke='%23df62ff' stroke-width='12' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M22 50H62' fill='none' stroke='%23df62ff' stroke-width='12' stroke-linecap='round'/%3E%3C/svg%3E");
  animation: neonArrowMoveRight 1.55s ease-in-out infinite;
}

.left-num:hover::before,
.right-num:hover::after {
  border-color: #ff63f6;
  box-shadow:
    0 0 16px rgba(255, 99, 246, 1),
    0 0 36px rgba(255, 99, 246, 0.72),
    0 0 58px rgba(73, 221, 255, 0.36),
    inset 0 0 22px rgba(255, 99, 246, 0.26);
}

.left-num.nav-disabled::before,
.right-num.nav-disabled::after {
  opacity: 0.34;
  animation: none;
  border-color: rgba(200, 77, 255, 0.58);
  box-shadow:
    0 0 8px rgba(200, 77, 255, 0.26),
    inset 0 0 10px rgba(200, 77, 255, 0.12);
}

@keyframes neonArrowMoveRight {
  0%, 100% {
    transform: translateX(0) scale(1);
    background-position: 45% center;
    border-color: #b84cff;
    box-shadow:
      0 0 12px rgba(184, 76, 255, 0.84),
      0 0 28px rgba(184, 76, 255, 0.5),
      inset 0 0 16px rgba(184, 76, 255, 0.18);
  }

  50% {
    transform: translateX(7px) scale(1.06);
    background-position: 58% center;
    border-color: #ff63f6;
    box-shadow:
      0 0 16px rgba(255, 99, 246, 1),
      0 0 38px rgba(255, 99, 246, 0.74),
      0 0 58px rgba(73, 221, 255, 0.32),
      inset 0 0 24px rgba(255, 99, 246, 0.28);
  }
}

@keyframes neonArrowMoveLeft {
  0%, 100% {
    transform: translateX(0) scale(1);
    background-position: 55% center;
    border-color: #b84cff;
    box-shadow:
      0 0 12px rgba(184, 76, 255, 0.84),
      0 0 28px rgba(184, 76, 255, 0.5),
      inset 0 0 16px rgba(184, 76, 255, 0.18);
  }

  50% {
    transform: translateX(-7px) scale(1.06);
    background-position: 42% center;
    border-color: #ff63f6;
    box-shadow:
      0 0 16px rgba(255, 99, 246, 1),
      0 0 38px rgba(255, 99, 246, 0.74),
      0 0 58px rgba(73, 221, 255, 0.32),
      inset 0 0 24px rgba(255, 99, 246, 0.28);
  }
}

@media (max-width: 720px) {
  .left-num::before,
  .right-num::after {
    width: 50px;
    height: 50px;
    background-size: 80% 80%;
  }
}

/* flowing neon inside circular arrows */
.left-num::before,
.right-num::after {
  overflow: hidden;
  background-blend-mode: screen;
}

.right-num::after {
  background-image:
    linear-gradient(90deg, transparent 0%, transparent 28%, rgba(255,255,255,0.92) 43%, rgba(255,86,244,0.96) 50%, rgba(73,221,255,0.78) 58%, transparent 72%, transparent 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M38 24 64 50 38 76' fill='none' stroke='%23df62ff' stroke-width='12' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M22 50H62' fill='none' stroke='%23df62ff' stroke-width='12' stroke-linecap='round'/%3E%3C/svg%3E");
  background-size: 240% 100%, 78% 78%;
  background-position: -145% center, center;
  animation: neonArrowFlowRight 1.35s linear infinite, neonArrowMoveRight 1.55s ease-in-out infinite;
}

.left-num::before {
  background-image:
    linear-gradient(270deg, transparent 0%, transparent 28%, rgba(255,255,255,0.92) 43%, rgba(255,86,244,0.96) 50%, rgba(73,221,255,0.78) 58%, transparent 72%, transparent 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M62 24 36 50 62 76' fill='none' stroke='%23df62ff' stroke-width='12' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M38 50H78' fill='none' stroke='%23df62ff' stroke-width='12' stroke-linecap='round'/%3E%3C/svg%3E");
  background-size: 240% 100%, 78% 78%;
  background-position: 245% center, center;
  animation: neonArrowFlowLeft 1.35s linear infinite, neonArrowMoveLeft 1.55s ease-in-out infinite;
}

.left-num.nav-disabled::before,
.right-num.nav-disabled::after {
  background-size: 78% 78%;
  background-position: center;
}

@keyframes neonArrowFlowRight {
  0% { background-position: -145% center, center; }
  100% { background-position: 245% center, center; }
}

@keyframes neonArrowFlowLeft {
  0% { background-position: 245% center, center; }
  100% { background-position: -145% center, center; }
}

/* final always-visible neon arrow controls */
.left-num::before,
.right-num::after {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: rgba(7, 4, 18, 0.54) !important;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(255, 99, 246, 0.2), transparent 58%),
    linear-gradient(120deg, rgba(73, 221, 255, 0.18), rgba(255, 86, 244, 0.16)) !important;
  background-blend-mode: screen !important;
  color: #df62ff !important;
  font-family: Arial, Helvetica, sans-serif !important;
  font-size: clamp(34px, 3.9vw, 56px) !important;
  font-weight: 900 !important;
  line-height: 1 !important;
  text-shadow:
    0 0 8px rgba(255, 255, 255, 0.92),
    0 0 14px rgba(255, 86, 244, 0.98),
    0 0 26px rgba(73, 221, 255, 0.64) !important;
}

.right-num::after {
  content: "\27A1" !important;
  padding-left: 3px;
  animation: neonArrowMoveRight 1.35s ease-in-out infinite, neonArrowTextRight 1.05s linear infinite !important;
}

.left-num::before {
  content: "\2B05" !important;
  padding-right: 3px;
  animation: neonArrowMoveLeft 1.35s ease-in-out infinite, neonArrowTextLeft 1.05s linear infinite !important;
}

.left-num.nav-disabled::before,
.right-num.nav-disabled::after {
  animation: none !important;
  color: rgba(216, 92, 255, 0.55) !important;
  text-shadow:
    0 0 8px rgba(200, 77, 255, 0.34),
    0 0 16px rgba(200, 77, 255, 0.18) !important;
}

@keyframes neonArrowTextRight {
  0% {
    color: #df62ff;
    text-shadow:
      -16px 0 16px rgba(73, 221, 255, 0),
      -8px 0 12px rgba(73, 221, 255, 0.72),
      0 0 10px rgba(255, 255, 255, 0.88),
      8px 0 18px rgba(255, 86, 244, 0.88);
  }

  50% {
    color: #ffffff;
    text-shadow:
      0 0 12px rgba(73, 221, 255, 0.94),
      8px 0 16px rgba(255, 255, 255, 0.96),
      15px 0 24px rgba(255, 86, 244, 0.82);
  }

  100% {
    color: #df62ff;
    text-shadow:
      0 0 10px rgba(255, 86, 244, 0.88),
      10px 0 16px rgba(73, 221, 255, 0.74),
      18px 0 22px rgba(73, 221, 255, 0);
  }
}

@keyframes neonArrowTextLeft {
  0% {
    color: #df62ff;
    text-shadow:
      16px 0 16px rgba(73, 221, 255, 0),
      8px 0 12px rgba(73, 221, 255, 0.72),
      0 0 10px rgba(255, 255, 255, 0.88),
      -8px 0 18px rgba(255, 86, 244, 0.88);
  }

  50% {
    color: #ffffff;
    text-shadow:
      0 0 12px rgba(73, 221, 255, 0.94),
      -8px 0 16px rgba(255, 255, 255, 0.96),
      -15px 0 24px rgba(255, 86, 244, 0.82);
  }

  100% {
    color: #df62ff;
    text-shadow:
      0 0 10px rgba(255, 86, 244, 0.88),
      -10px 0 16px rgba(73, 221, 255, 0.74),
      -18px 0 22px rgba(73, 221, 255, 0);
  }
}

/* plain arrow glyph, animated neon button */
.left-num::before,
.right-num::after {
  color: #df62ff !important;
  text-shadow: none !important;
}

.right-num::after {
  animation: neonArrowMoveRight 1.35s ease-in-out infinite, neonCirclePulse 1.9s ease-in-out infinite !important;
}

.left-num::before {
  animation: neonArrowMoveLeft 1.35s ease-in-out infinite, neonCirclePulse 1.9s ease-in-out infinite !important;
}

.left-num.nav-disabled::before,
.right-num.nav-disabled::after {
  animation: none !important;
  color: rgba(216, 92, 255, 0.55) !important;
  text-shadow: none !important;
}

/* initial image preloader */
body.is-loading {
  overflow: hidden;
}

body.is-loading .header,
body.is-loading .slider,
body.is-loading .progress-ui {
  opacity: 0;
  visibility: hidden;
}

.site-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  gap: 18px;
  align-content: center;
  background:
    radial-gradient(circle at 50% 50%, rgba(200, 77, 255, 0.2), transparent 28%),
    linear-gradient(180deg, rgba(3, 4, 12, 0.98), rgba(5, 8, 20, 0.96));
  opacity: 1;
  visibility: visible;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}

body:not(.is-loading) .site-loader {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-ring {
  position: relative;
  width: clamp(78px, 8vw, 116px);
  height: clamp(78px, 8vw, 116px);
  border-radius: 50%;
  border: 3px solid rgba(200, 77, 255, 0.86);
  box-shadow:
    0 0 14px rgba(200, 77, 255, 0.9),
    0 0 36px rgba(200, 77, 255, 0.58),
    0 0 58px rgba(73, 221, 255, 0.22),
    inset 0 0 20px rgba(200, 77, 255, 0.24);
  animation: loaderPulse 1.45s ease-in-out infinite;
}

.loader-ring::before,
.loader-ring::after {
  content: "";
  position: absolute;
  inset: 13px;
  border-radius: 50%;
  border: 8px solid transparent;
  border-top-color: #df62ff;
  border-right-color: rgba(73, 221, 255, 0.92);
  filter: drop-shadow(0 0 12px rgba(255, 86, 244, 0.72));
  animation: loaderSpin 1s linear infinite;
}

.loader-ring::after {
  inset: 27px;
  border-width: 5px;
  border-top-color: rgba(255, 255, 255, 0.95);
  border-right-color: #ff56f4;
  animation-duration: 0.72s;
  animation-direction: reverse;
}

.loader-core {
  position: absolute;
  inset: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: #ff56f4;
  box-shadow:
    0 0 12px rgba(255, 255, 255, 0.92),
    0 0 24px rgba(255, 86, 244, 0.88),
    0 0 36px rgba(73, 221, 255, 0.48);
}

.loader-brand {
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
  text-shadow:
    0 0 12px rgba(255, 86, 244, 0.88),
    0 0 26px rgba(73, 221, 255, 0.44);
}

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

@keyframes loaderPulse {
  0%, 100% {
    transform: scale(1);
    border-color: rgba(200, 77, 255, 0.82);
  }

  50% {
    transform: scale(1.06);
    border-color: rgba(255, 99, 246, 1);
  }
}