/* Motion system — Emil Kowalski / Linear / Vercel inspired
   GPU: transform + opacity only. Respects prefers-reduced-motion. */

:root {
  --motion-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --motion-ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --motion-duration-fast: 180ms;
  --motion-duration: 420ms;
  --motion-duration-slow: 680ms;
  --motion-stagger: 70ms;
  --motion-blur: 10px;
  --glow-accent: rgba(0, 180, 255, 0.45);
  --glow-soft: rgba(0, 180, 255, 0.12);
}

/* ── Page atmosphere ── */
.motion-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.motion-page .page-root { position: relative; z-index: 1; }

/* ── Hero aurora + mesh ── */
.hero { --hero-parallax-x: 0; --hero-parallax-y: 0; }

.hero-aurora {
  position: absolute;
  inset: -30% -20%;
  z-index: -2;
  pointer-events: none;
  overflow: hidden;
}

.hero-aurora__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  will-change: transform;
  animation: auroraDrift 22s var(--motion-ease-in-out) infinite alternate;
}

.hero-aurora__blob--1 {
  width: min(55vw, 520px);
  height: min(55vw, 520px);
  top: -10%;
  left: -5%;
  background: radial-gradient(circle, rgba(0, 180, 255, 0.35), transparent 70%);
  transform: translate(
    calc(var(--hero-parallax-x) * 12px),
    calc(var(--hero-parallax-y) * 8px)
  );
}

.hero-aurora__blob--2 {
  width: min(45vw, 420px);
  height: min(45vw, 420px);
  bottom: 0;
  right: -8%;
  background: radial-gradient(circle, rgba(51, 199, 255, 0.22), transparent 68%);
  animation-delay: -8s;
  animation-duration: 26s;
  transform: translate(
    calc(var(--hero-parallax-x) * -10px),
    calc(var(--hero-parallax-y) * -6px)
  );
}

.hero-aurora__blob--3 {
  width: min(35vw, 320px);
  height: min(35vw, 320px);
  top: 35%;
  left: 40%;
  background: radial-gradient(circle, rgba(120, 80, 255, 0.12), transparent 70%);
  animation-delay: -14s;
  opacity: 0.35;
}

.hero-mesh {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 180, 255, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(0, 180, 255, 0.06), transparent 50%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 95%);
}

#hero-particles {
  display: block !important;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.55;
  pointer-events: none;
}

/* Hero entrance */
.hero.is-ready .motion-hero-item {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  filter: blur(0);
}

.motion-hero-item {
  opacity: 0;
  transform: translate3d(0, 28px, 0);
  filter: blur(var(--motion-blur));
  transition:
    opacity var(--motion-duration-slow) var(--motion-ease-out),
    transform var(--motion-duration-slow) var(--motion-ease-out),
    filter var(--motion-duration-slow) var(--motion-ease-out);
}

.motion-hero-item:nth-child(1) { transition-delay: 0ms; }
.motion-hero-item:nth-child(2) { transition-delay: calc(var(--motion-stagger) * 1); }
.motion-hero-item:nth-child(3) { transition-delay: calc(var(--motion-stagger) * 2); }
.motion-hero-item:nth-child(4) { transition-delay: calc(var(--motion-stagger) * 3); }

.hero-aside.motion-hero-item {
  transition-delay: calc(var(--motion-stagger) * 2.5);
}

.hero-aside .avatar-wrap {
  transition: transform var(--motion-duration) var(--motion-ease-out);
}

.hero.is-ready .hero-aside:hover .avatar-wrap {
  transform: scale(1.02) translateY(-4px);
}

/* ── Scroll reveal ── */
.reveal,
[data-motion] {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  filter: blur(6px);
  transition:
    opacity var(--motion-duration) var(--motion-ease-out),
    transform var(--motion-duration) var(--motion-ease-out),
    filter var(--motion-duration) var(--motion-ease-out);
  will-change: transform, opacity;
}

.reveal.is-in,
[data-motion].is-in {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  filter: blur(0);
}

[data-motion="fade"] { transform: translate3d(0, 0, 0); filter: none; }
[data-motion="fade"].is-in { opacity: 1; }

[data-motion="scale"] {
  transform: scale(0.96);
  filter: blur(4px);
}
[data-motion="scale"].is-in {
  transform: scale(1);
  filter: blur(0);
}

[data-motion-stagger] > * {
  opacity: 0;
  transform: translate3d(0, 20px, 0);
  transition:
    opacity var(--motion-duration) var(--motion-ease-out),
    transform var(--motion-duration) var(--motion-ease-out);
}

[data-motion-stagger].is-in > *,
[data-motion-stagger].is-in > .reveal {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  filter: blur(0);
}

/* ── Section transitions ── */
.section-band {
  position: relative;
  clip-path: inset(0 0 0 0);
}

.section-band.motion-band-reveal {
  opacity: 0;
  transform: translate3d(0, 12px, 0);
  transition:
    opacity 520ms var(--motion-ease-out),
    transform 520ms var(--motion-ease-out);
}

.section-band.motion-band-reveal.is-in {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.section-band.motion-band-reveal::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 180, 255, 0.08), transparent);
  transform: translateX(-100%);
  transition: transform 900ms var(--motion-ease-out);
  pointer-events: none;
  z-index: 2;
}

.section-band.motion-band-reveal.is-in::before {
  transform: translateX(100%);
}

/* ── Premium cards ── */
.card,
.product-card,
.matrix-card,
.about-story,
.about-services,
.about-info,
.contact-form-wrapper,
.contact-methods {
  position: relative;
  isolation: isolate;
  transition:
    transform var(--motion-duration-fast) var(--motion-ease-out),
    box-shadow var(--motion-duration) var(--motion-ease-out),
    border-color var(--motion-duration) var(--motion-ease-out);
}

.card::before,
.product-card::before,
.pain-card::before,
.package-card::before,
.feature-card::before,
.symptom::before,
.hm-proofitem::before,
.agent::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(0, 180, 255, 0.5),
    rgba(0, 180, 255, 0.05) 40%,
    rgba(120, 80, 255, 0.25) 60%,
    rgba(0, 180, 255, 0.35)
  );
  background-size: 200% 200%;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--motion-duration) var(--motion-ease-out);
  pointer-events: none;
  z-index: -1;
  animation: borderGradientShift 6s linear infinite paused;
}

.card:hover::before,
.product-card:hover::before,
.pain-card:hover::before,
.package-card:hover::before,
.feature-card:hover::before,
.symptom:hover::before,
.hm-proofitem:hover::before,
.agent:hover::before {
  opacity: 1;
  animation-play-state: running;
}

.card:hover,
.product-card:hover,
.matrix-card:hover,
.pain-card:hover,
.package-card:hover,
.feature-card:hover,
.symptom:hover,
.hm-proofitem:hover,
.agent:hover {
  transform: translate3d(0, -6px, 0) scale(1.02);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.35),
    0 0 40px var(--glow-soft);
  border-color: rgba(0, 180, 255, 0.4);
}

.card-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(
    600px circle at var(--glow-x, 50%) var(--glow-y, 50%),
    var(--glow-accent),
    transparent 40%
  );
  transition: opacity var(--motion-duration) var(--motion-ease-out);
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: soft-light;
}

.card:hover .card-glow,
.product-card:hover .card-glow {
  opacity: 0.35;
}

.card > *:not(.card-glow),
.product-card > *:not(.card-glow) {
  position: relative;
  z-index: 1;
}

/* ── Buttons premium ── */
.btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition:
    transform var(--motion-duration-fast) var(--motion-ease-out),
    box-shadow var(--motion-duration) var(--motion-ease-out),
    background var(--motion-duration-fast) ease;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 35%,
    rgba(255, 255, 255, 0.22) 50%,
    transparent 65%
  );
  transform: translateX(-120%);
  transition: transform 600ms var(--motion-ease-out);
  pointer-events: none;
}

.btn:hover::after {
  transform: translateX(120%);
}

.btn-primary {
  box-shadow:
    0 4px 20px rgba(0, 180, 255, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translate3d(0, -2px, 0);
  box-shadow:
    0 12px 36px rgba(0, 180, 255, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-magnetic {
  transition: transform 120ms var(--motion-ease-out);
}

.btn .btn-ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  background: rgba(255, 255, 255, 0.35);
  animation: rippleOut 520ms var(--motion-ease-out) forwards;
  pointer-events: none;
}

.btn svg {
  transition: transform var(--motion-duration-fast) var(--motion-ease-out);
}

.btn:hover svg {
  transform: translateX(2px);
}

/* ── Logo marquee ── */
.logos-section {
  padding: 2rem 0 2.5rem;
  overflow: hidden;
  border-block: 1px solid rgba(0, 180, 255, 0.1);
  background: linear-gradient(180deg, rgba(0, 180, 255, 0.04), transparent);
}

.logos-section__label {
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.2rem;
}

.motion-marquee {
  display: flex;
  width: max-content;
  animation: marqueeScroll 42s linear infinite;
}

.motion-marquee.is-paused {
  animation-play-state: paused;
}

.motion-marquee__track {
  display: flex;
  align-items: center;
  gap: 3.5rem;
  padding-inline: 1.75rem;
}

.motion-marquee__item {
  flex-shrink: 0;
  opacity: 0.55;
  filter: grayscale(0.35) brightness(1.05);
  transition:
    opacity var(--motion-duration-fast) ease,
    filter var(--motion-duration-fast) ease,
    transform var(--motion-duration-fast) var(--motion-ease-out);
}

.motion-marquee__item img {
  height: 36px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
}

.motion-marquee__item:hover {
  opacity: 1;
  filter: grayscale(0) brightness(1.1);
  transform: scale(1.05);
}

/* ── Testimonials carousel ── */
.testimonials-section {
  padding: 3rem 0;
}

.testimonials-section h2 {
  text-align: center;
  margin-bottom: 1.8rem;
}

.motion-carousel {
  position: relative;
  max-width: 720px;
  margin-inline: auto;
  overflow: hidden;
  border-radius: var(--radius);
}

.motion-carousel__viewport {
  display: flex;
  transition: transform 680ms var(--motion-ease-out);
  will-change: transform;
}

.motion-carousel__slide {
  flex: 0 0 100%;
  padding: 1.6rem 1.8rem;
  background: var(--card);
  border: 1px solid rgba(0, 180, 255, 0.18);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.motion-carousel__quote {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  line-height: 1.65;
  color: #d5eeff;
  font-style: normal;
}

.motion-carousel__quote::before {
  content: "\201C";
  color: var(--accent);
  font-size: 1.4em;
  margin-right: 0.15em;
}

.motion-carousel__author {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.motion-carousel__author strong {
  color: var(--accent);
  font-size: 0.92rem;
}

.motion-carousel__author span {
  color: var(--muted);
  font-size: 0.85rem;
}

.motion-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 1rem;
}

.motion-carousel__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: rgba(0, 180, 255, 0.25);
  cursor: pointer;
  transition:
    transform var(--motion-duration-fast) var(--motion-ease-out),
    background var(--motion-duration-fast) ease;
}

.motion-carousel__dot.is-active {
  background: var(--accent);
  transform: scale(1.35);
}

/* ── Counters & bars ── */
[data-motion-counter] {
  font-variant-numeric: tabular-nums;
}

.bar-fill {
  transform-origin: left center;
  transition: width 900ms var(--motion-ease-out);
}

/* ── Form motion ── */
.field {
  position: relative;
}

.field input,
.field textarea,
.field select,
.service-payment-form input {
  transition:
    border-color var(--motion-duration-fast) ease,
    box-shadow var(--motion-duration) var(--motion-ease-out),
    transform var(--motion-duration-fast) var(--motion-ease-out);
}

.field input:focus,
.field textarea:focus,
.field select:focus,
.service-payment-form input:focus {
  transform: translate3d(0, -1px, 0);
}

.field.is-valid input,
.field.is-valid textarea,
.field.is-valid select {
  border-color: rgba(152, 255, 196, 0.55);
  box-shadow: 0 0 0 3px rgba(152, 255, 196, 0.12);
}

.field.is-invalid input,
.field.is-invalid textarea,
.field.is-invalid select {
  border-color: rgba(255, 150, 150, 0.55);
  box-shadow: 0 0 0 3px rgba(255, 100, 100, 0.1);
  animation: fieldShake 380ms var(--motion-ease-out);
}

.contact-form.is-success {
  animation: successPulse 600ms var(--motion-ease-out);
}

.contact-form.is-success .btn-primary {
  pointer-events: none;
}

/* ── Header scroll ── */
.site-header {
  transition:
    background var(--motion-duration) ease,
    box-shadow var(--motion-duration) ease,
    transform 320ms var(--motion-ease-out);
}

.site-header.is-hidden {
  transform: translate3d(0, -100%, 0);
}

/* ── Keyframes ── */
@keyframes auroraDrift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(3%, 4%) scale(1.06); }
}

@keyframes borderGradientShift {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@keyframes marqueeScroll {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-50%, 0, 0); }
}

@keyframes rippleOut {
  to {
    transform: scale(2.8);
    opacity: 0;
  }
}

@keyframes fieldShake {
  0%, 100% { transform: translate3d(0, -1px, 0); }
  25% { transform: translate3d(-4px, -1px, 0); }
  75% { transform: translate3d(4px, -1px, 0); }
}

@keyframes successPulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 180, 255, 0.35); }
  70% { box-shadow: 0 0 0 12px rgba(0, 180, 255, 0); }
  100% { box-shadow: none; }
}

@keyframes hintFloat {
  from { transform: translateX(-50%) translateY(0); }
  to { transform: translateX(-50%) translateY(4px); }
}

/* Override legacy reveal (shorter blur) */
.reveal {
  filter: blur(6px);
}

.reveal.is-in {
  transition-duration: var(--motion-duration);
}

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

  .motion-marquee {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    gap: 2rem;
  }

  .motion-marquee__track {
    display: contents;
  }

  .reveal,
  [data-motion],
  .motion-hero-item,
  .section-band.motion-band-reveal {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }

  .hero-aurora__blob {
    animation: none;
  }
}