/* ===================================
   WEBNERIVO - ANIMATIONS
   Аккуратные анимации без перегруза
   =================================== */

/* ===== БАЗОВЫЕ АНИМАЦИИ ===== */

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-8px) rotate(-3deg); }
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.browser-window { animation: heroFloat 7s ease-in-out infinite; }
.visual-card-top { animation: cardFloat 5s ease-in-out 1s infinite; }
.visual-card-bottom { animation: cardFloat 6s ease-in-out infinite reverse; }
.hero-content, .hero-visual { opacity: 1; transform: none; transition: opacity 700ms ease, transform 700ms ease; }
.hero-content.in-view, .hero-visual.in-view { opacity: 1; transform: translateY(0); }

/* Появление с прозрачностью */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Исчезновение */
@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* Появление слева */
@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Появление справа */
@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Появление сверху */
@keyframes slideInFromTop {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Появление снизу */
@keyframes slideInFromBottom {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Масштабирование появления */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Пульс */
@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

/* Небольшое масштабирование при наведении */
@keyframes scaleHover {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.05);
  }
}

/* Плавное мигание (для акцентов) */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* Поворот загрузчика */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ===== ПРИМЕНЕНИЕ АНИМАЦИЙ ===== */

.animate-fade-in {
  animation: fadeIn var(--transition-base) ease-in-out;
}

.animate-fade-out {
  animation: fadeOut var(--transition-base) ease-in-out;
}

.animate-slide-left {
  animation: slideInFromLeft var(--transition-base) ease-in-out;
}

.animate-slide-right {
  animation: slideInFromRight var(--transition-base) ease-in-out;
}

.animate-slide-top {
  animation: slideInFromTop var(--transition-base) ease-in-out;
}

.animate-slide-bottom {
  animation: slideInFromBottom var(--transition-base) ease-in-out;
}

.animate-scale-in {
  animation: scaleIn var(--transition-base) ease-in-out;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* ===== ИНТЕРАКТИВНЫЕ ЭФФЕКТЫ ===== */

/* Эффект при наведении на карточку */
.interactive-card {
  transition: all var(--transition-base);
}

.interactive-card:hover {
  transform: translateY(-5px);
}

/* Эффект при наведении на кнопку */
.interactive-button {
  position: relative;
  overflow: hidden;
}

.interactive-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width var(--transition-base), height var(--transition-base);
}

.interactive-button:hover::after {
  width: 300px;
  height: 300px;
}

/* Эффект подчёркивания ссылки */
.link-underline {
  position: relative;
  text-decoration: none;
}

.link-underline::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.link-underline:hover::after {
  width: 100%;
}

/* Эффект для иконок */
.icon-animated {
  transition: transform var(--transition-base);
}

.icon-animated:hover {
  transform: scale(1.1) rotate(5deg);
}

/* ===== ПЕРЕХОДЫ ===== */

.transition-all {
  transition: all var(--transition-base);
}

.transition-fast {
  transition: all var(--transition-fast);
}

.transition-slow {
  transition: all var(--transition-slow);
}

.transition-colors {
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base);
}

.transition-transform {
  transition: transform var(--transition-base);
}

/* ===== СКЕЛЕТНЫЕ ЗАГРУЗЧИКИ ===== */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface) 25%,
    rgba(255, 255, 255, 0.1) 50%,
    var(--color-surface) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

/* ===== ОТКЛЮЧЕНИЕ АНИМАЦИЙ ПО ПРЕДПОЧТЕНИЯМ ===== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== SITE-WIDE SCROLL REVEAL ===== */

.nerivo-depth-layer {
  position: absolute;
  z-index: -2;
  inset: -14px;
  background-position: var(--depth-background-position, center);
  background-repeat: no-repeat;
  background-size: cover;
  pointer-events: none;
  transform: translate3d(0, var(--nerivo-depth-y, 0), 0) scale(1.04);
  will-change: transform;
}

.has-nerivo-depth-layer {
  background-image: none !important;
}

/* Native cross-document enhancement. Unsupported browsers keep normal navigation. */
@view-transition {
  navigation: auto;
}

::view-transition-group(root) {
  animation-duration: 430ms;
  animation-timing-function: cubic-bezier(.22, 1, .36, 1);
}

::view-transition-image-pair(root) {
  background:
    linear-gradient(90deg, transparent 8%, rgba(125, 211, 252, .08) 36%, rgba(125, 211, 252, .52) 50%, rgba(125, 211, 252, .08) 64%, transparent 92%) top / 100% 1px no-repeat,
    #071321;
  isolation: isolate;
}

::view-transition-old(root) {
  animation: nerivo-page-out 330ms cubic-bezier(.4, 0, 1, 1) both;
}

::view-transition-new(root) {
  animation: nerivo-page-in 410ms cubic-bezier(.22, 1, .36, 1) 35ms both;
}

@keyframes nerivo-page-out {
  to { opacity: 0; transform: translate3d(0, -6px, 0); }
}

@keyframes nerivo-page-in {
  from { opacity: 0; filter: brightness(.82); transform: translate3d(0, 8px, 0); }
  to { opacity: 1; filter: brightness(1); transform: translate3d(0, 0, 0); }
}

html.reveal-enabled .home-hero-copy.motion-soft-reveal {
  opacity: 1;
  transform: none;
  animation: none;
}

html.reveal-enabled [data-reveal] {
  opacity: 0;
}

html.reveal-enabled [data-reveal="up"],
html.reveal-enabled [data-reveal="headline"] {
  transform: translate3d(0, 44px, 0);
}

html.reveal-enabled [data-reveal="up-soft"] {
  transform: translate3d(0, 27px, 0);
}

html.reveal-enabled [data-reveal="left"] {
  transform: translate3d(-36px, 0, 0) scale(.982);
}

html.reveal-enabled [data-reveal="right"] {
  transform: translate3d(36px, 0, 0) scale(.982);
}

html.reveal-enabled [data-reveal="image"] {
  transform: translate3d(0, 34px, 0) scale(.98);
}

html.reveal-enabled [data-reveal="scale-soft"] {
  transform: translate3d(0, 26px, 0) scale(.982);
}

html.reveal-enabled [data-reveal="node"] {
  transform: scale(.78);
}

html.reveal-enabled [data-reveal="headline"] {
  filter: blur(6px);
}

html.reveal-enabled [data-reveal].is-revealed {
  animation: nerivo-reveal-up 820ms cubic-bezier(.2, .72, .2, 1) var(--reveal-delay, 0ms) both;
}

html.reveal-enabled [data-reveal="up-soft"].is-revealed {
  animation-name: nerivo-reveal-up-soft;
  animation-duration: 760ms;
}

html.reveal-enabled [data-reveal="headline"].is-revealed {
  animation-name: nerivo-reveal-headline;
  animation-duration: 880ms;
}

html.reveal-enabled [data-reveal="left"].is-revealed {
  animation-name: nerivo-reveal-left;
  animation-duration: 940ms;
}

html.reveal-enabled [data-reveal="right"].is-revealed {
  animation-name: nerivo-reveal-right;
  animation-duration: 940ms;
}

html.reveal-enabled [data-reveal="image"].is-revealed {
  animation-name: nerivo-reveal-image;
  animation-duration: 980ms;
}

html.reveal-enabled [data-reveal="scale-soft"].is-revealed {
  animation-name: nerivo-reveal-scale-soft;
  animation-duration: 900ms;
}

html.reveal-enabled [data-reveal="fade"].is-revealed {
  animation-name: nerivo-reveal-fade;
  animation-duration: 680ms;
}

html.reveal-enabled [data-reveal="node"].is-revealed {
  animation-name: nerivo-reveal-node;
  animation-duration: 600ms;
}

@keyframes nerivo-reveal-up {
  from { opacity: 0; transform: translate3d(0, 44px, 0); }
  to { opacity: 1; transform: translate3d(0, 0, 0); }
}

@keyframes nerivo-reveal-up-soft {
  from { opacity: 0; transform: translate3d(0, 27px, 0); }
  to { opacity: 1; transform: translate3d(0, 0, 0); }
}

@keyframes nerivo-reveal-headline {
  from { opacity: 0; filter: blur(6px); transform: translate3d(0, 46px, 0); }
  to { opacity: 1; filter: blur(0); transform: translate3d(0, 0, 0); }
}

@keyframes nerivo-reveal-left {
  from { opacity: 0; transform: translate3d(-36px, 0, 0) scale(.982); }
  to { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}

@keyframes nerivo-reveal-right {
  from { opacity: 0; transform: translate3d(36px, 0, 0) scale(.982); }
  to { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}

@keyframes nerivo-reveal-image {
  from { opacity: 0; transform: translate3d(0, 34px, 0) scale(.98); }
  to { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}

@keyframes nerivo-reveal-scale-soft {
  from { opacity: 0; transform: translate3d(0, 26px, 0) scale(.982); }
  to { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}

@keyframes nerivo-reveal-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes nerivo-reveal-node {
  from { opacity: 0; transform: scale(.78); }
  to { opacity: 1; transform: scale(1); }
}

html.reveal-enabled [data-reveal-route]::before,
html.reveal-enabled body.home-page .process-signal[data-reveal-route] > li::before,
html.reveal-enabled .process-list[data-reveal-route] > li::before,
html.reveal-enabled .process-list[data-reveal-route] > li::after,
html.reveal-enabled .approach-steps[data-reveal-route] .approach-step::before,
html.reveal-enabled .approach-steps[data-reveal-route] .approach-step::after {
  opacity: 0;
}

html.reveal-enabled body.home-page .process-signal[data-reveal-route]::before,
html.reveal-enabled body.home-page .process-signal[data-reveal-route] > li::before,
html.reveal-enabled body.about-page .beliefs-list[data-reveal-route]::before {
  animation: none;
}

html.reveal-enabled body.home-page .process-signal.reveal-complete::before {
  opacity: 1;
  transform: scaleX(1);
  animation: none;
}

html.reveal-enabled body.home-page .process-signal.reveal-complete > li::before {
  opacity: 1;
  transform: scale(1);
  animation: none;
}

html.reveal-enabled body.about-page .beliefs-list.reveal-complete::before {
  opacity: 1;
  transform: scaleY(1);
  animation: none;
}

html.reveal-enabled [data-reveal-route].is-revealed::before {
  animation: nerivo-route-horizontal 880ms cubic-bezier(.2, .72, .2, 1) both;
}

html.reveal-enabled body.about-page .beliefs-list[data-reveal-route].is-revealed::before {
  animation-name: nerivo-route-vertical;
}

html.reveal-enabled .process-list[data-reveal-route].is-revealed > li::before,
html.reveal-enabled .process-list[data-reveal-route].is-revealed > li::after,
html.reveal-enabled body.home-page .process-signal[data-reveal-route].is-revealed > li::before,
html.reveal-enabled .approach-steps[data-reveal-route].is-revealed .approach-step::before,
html.reveal-enabled .approach-steps[data-reveal-route].is-revealed .approach-step::after {
  animation: nerivo-route-segment 680ms cubic-bezier(.2, .72, .2, 1) both;
  animation-delay: 220ms;
}

html.reveal-enabled body.home-page .process-signal[data-reveal-route].is-revealed > li::before,
html.reveal-enabled .approach-steps[data-reveal-route].is-revealed .approach-step::before {
  animation-name: nerivo-reveal-node;
}

html.reveal-enabled [data-reveal-route].is-revealed > :nth-child(2)::before,
html.reveal-enabled [data-reveal-route].is-revealed > :nth-child(2)::after { animation-delay: 320ms; }
html.reveal-enabled [data-reveal-route].is-revealed > :nth-child(3)::before,
html.reveal-enabled [data-reveal-route].is-revealed > :nth-child(3)::after { animation-delay: 410ms; }
html.reveal-enabled [data-reveal-route].is-revealed > :nth-child(4)::before,
html.reveal-enabled [data-reveal-route].is-revealed > :nth-child(4)::after { animation-delay: 500ms; }
html.reveal-enabled [data-reveal-route].is-revealed > :nth-child(5)::before,
html.reveal-enabled [data-reveal-route].is-revealed > :nth-child(5)::after { animation-delay: 590ms; }

@keyframes nerivo-route-horizontal {
  from { opacity: 0; clip-path: inset(0 100% 0 0); }
  to { opacity: 1; clip-path: inset(0 0 0 0); }
}

@keyframes nerivo-route-vertical {
  from { opacity: 0; clip-path: inset(0 0 100% 0); }
  to { opacity: 1; clip-path: inset(0 0 0 0); }
}

@keyframes nerivo-route-segment {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Keep ambient timelines intact while avoiding work far outside the viewport. */
html.motion-runtime .motion-ambient-managed:not(.motion-in-range),
html.motion-runtime .motion-ambient-managed:not(.motion-in-range) *,
html.motion-runtime .motion-ambient-managed:not(.motion-in-range)::before,
html.motion-runtime .motion-ambient-managed:not(.motion-in-range)::after,
html.motion-runtime .motion-ambient-managed:not(.motion-in-range) *::before,
html.motion-runtime .motion-ambient-managed:not(.motion-in-range) *::after,
html.motion-document-hidden .motion-ambient-managed,
html.motion-document-hidden .motion-ambient-managed *,
html.motion-document-hidden .motion-ambient-managed::before,
html.motion-document-hidden .motion-ambient-managed::after,
html.motion-document-hidden .motion-ambient-managed *::before,
html.motion-document-hidden .motion-ambient-managed *::after {
  animation-play-state: paused !important;
}

@media screen and (max-width: 767px) {
  ::view-transition-group(root) {
    animation-duration: 320ms;
  }

  ::view-transition-old(root) {
    animation-duration: 250ms;
  }

  ::view-transition-new(root) {
    animation-duration: 310ms;
  }

  html.reveal-enabled [data-reveal="up"],
  html.reveal-enabled [data-reveal="headline"] {
    transform: translate3d(0, 24px, 0);
  }

  html.reveal-enabled [data-reveal="up-soft"],
  html.reveal-enabled [data-reveal="left"],
  html.reveal-enabled [data-reveal="right"],
  html.reveal-enabled [data-reveal="image"],
  html.reveal-enabled [data-reveal="scale-soft"] {
    transform: translate3d(0, 20px, 0);
  }

  html.reveal-enabled [data-reveal="node"] {
    transform: scale(.84);
  }

  html.reveal-enabled [data-reveal="up"].is-revealed,
  html.reveal-enabled [data-reveal="up-soft"].is-revealed,
  html.reveal-enabled [data-reveal="left"].is-revealed,
  html.reveal-enabled [data-reveal="right"].is-revealed,
  html.reveal-enabled [data-reveal="image"].is-revealed,
  html.reveal-enabled [data-reveal="scale-soft"].is-revealed {
    animation-name: nerivo-reveal-mobile;
  }

  html.reveal-enabled [data-reveal="headline"].is-revealed {
    animation-name: nerivo-reveal-headline-mobile;
  }

  @keyframes nerivo-reveal-mobile {
    from { opacity: 0; transform: translate3d(0, 20px, 0); }
    to { opacity: 1; transform: translate3d(0, 0, 0); }
  }

  @keyframes nerivo-reveal-headline-mobile {
    from { opacity: 0; filter: blur(3px); transform: translate3d(0, 24px, 0); }
    to { opacity: 1; filter: blur(0); transform: translate3d(0, 0, 0); }
  }

  html.reveal-enabled [data-reveal-route].is-revealed::before {
    animation-name: nerivo-route-vertical;
  }

}

@media (prefers-reduced-motion: reduce) {
  .nerivo-depth-layer {
    transform: none !important;
  }

  ::view-transition-group(root),
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none !important;
  }

  html.reveal-enabled [data-reveal],
  html.reveal-enabled [data-reveal-route]::before,
  html.reveal-enabled body.home-page .process-signal[data-reveal-route] > li::before,
  html.reveal-enabled .process-list[data-reveal-route] > li::before,
  html.reveal-enabled .process-list[data-reveal-route] > li::after,
  html.reveal-enabled .approach-steps[data-reveal-route] .approach-step::before,
  html.reveal-enabled .approach-steps[data-reveal-route] .approach-step::after {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
    clip-path: none !important;
    animation: none !important;
  }
}