:root {
  color-scheme: light;
  --bg-body: #ffffff;
  --bg-alt: #ffffff;
  --bg-panel: rgba(255, 255, 255, 0.95);
  --bg-panel-light: rgba(255, 255, 255, 0.88);
  --fg-primary: #111c2f;
  --fg-muted: rgba(17, 28, 47, 0.68);
  --fg-soft: rgba(17, 28, 47, 0.5);
  --accent: #4f6bff;
  --accent-soft: rgba(79, 107, 255, 0.3);
  --radius-lg: 32px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --max-width: 1200px;
  --transition: 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, #ffffff 10%, #f5f7ff 55%, #ffffff 100%);
  color: var(--fg-primary);
  letter-spacing: -0.01em;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 7vw 16px;
  z-index: 10;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  color: #0f0f14;
}

.brand-name {
  display: none;
}

.nav__right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-toggle {
  position: relative;
  display: flex;
  align-items: center;
  padding: 4px;
  min-width: 116px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(111, 141, 255, 0.25);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8), 0 12px 30px -24px rgba(15, 23, 42, 0.35);
}

.lang-toggle--menu {
  width: 100%;
  margin-top: 12px;
}

.lang-toggle__option {
  flex: 1 1 0;
  border: none;
  background: transparent;
  color: rgba(15, 23, 42, 0.45);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  padding: 8px 14px;
  cursor: pointer;
  position: relative;
  z-index: 2;
  transition: color 200ms ease;
}

.lang-toggle__option:focus-visible {
  outline: none;
  color: var(--fg-primary);
}

.lang-toggle__option--active {
  color: var(--fg-primary);
}

.lang-toggle__thumb {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: calc((100% - 8px) / 2);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(132, 158, 255, 0.9), rgba(101, 126, 255, 0.9));
  box-shadow: 0 10px 25px -12px rgba(127, 171, 255, 0.9);
  transition: transform 220ms ease;
}

[data-lang="en"] .lang-toggle__thumb {
  transform: translateX(100%);
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 7vw 120px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 48px;
  align-items: center;
}

.hero__gradient {
  position: absolute;
  inset: -10% 0 0 0;
  background: radial-gradient(120% 80% at 80% 20%, rgba(215, 226, 255, 0.28), transparent 60%),
    radial-gradient(80% 80% at 20% 20%, rgba(255, 229, 247, 0.22), transparent 60%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.98), rgba(244, 246, 255, 0.94));
  filter: blur(14px);
  z-index: -2;
}

.hero__content {
  grid-column: 1 / span 6;
  max-width: 540px;
}

.hero__visual {
  grid-column: 7 / span 6;
  display: flex;
  justify-content: center;
}

.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--fg-soft);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw + 1rem, 4rem);
  line-height: 1.08;
  margin: 0 0 24px;
}

.hero__body {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--fg-muted);
  margin-bottom: 32px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease, border-color 220ms ease;
}

.button--primary {
  background: linear-gradient(135deg, rgba(127, 171, 255, 0.95), rgba(94, 122, 255, 0.95));
  color: #ffffff;
  box-shadow: 0 18px 40px -22px rgba(127, 171, 255, 0.45);
}

.button--primary:hover,
.button--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 24px 40px -18px rgba(127, 171, 255, 0.9);
}

.button--ghost {
  border-color: rgba(111, 141, 255, 0.25);
  background: rgba(111, 141, 255, 0.08);
  color: var(--fg-primary);
}

.button--ghost:hover,
.button--ghost:focus-visible {
  border-color: rgba(111, 141, 255, 0.45);
  background: rgba(111, 141, 255, 0.18);
}

.flow-orbit {
  display: grid;
  gap: 34px;
}

.flow-orbit__stage {
  position: relative;
  width: min(420px, 100%);
  aspect-ratio: var(--orbit-aspect, 0.703125);
  margin: 0 auto;
  border-radius: 32px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(253, 254, 255, 0.98), rgba(236, 240, 255, 0.92));
  border: 1px solid rgba(17, 28, 47, 0.08);
  box-shadow: 0 28px 60px -35px rgba(17, 28, 47, 0.35);
  backdrop-filter: blur(12px);
}

.flow-orbit__halo {
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 50% 20%, rgba(120, 150, 255, 0.16), transparent 70%);
  filter: blur(26px);
  pointer-events: none;
  opacity: 0.9;
}

.flow-orbit__media {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  opacity: 0;
  transform: scale(1.01);
  transition: opacity 480ms ease, transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-orbit__media.is-active {
  opacity: 1;
  transform: scale(1);
}

.flow-orbit__media video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: linear-gradient(180deg, rgba(245, 247, 255, 0.9), rgba(230, 235, 255, 0.9));
  border-radius: inherit;
  display: block;
}

.flow-orbit__caption {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0 auto;
  max-width: 440px;
}

.flow-orbit__caption h3 {
  margin: 0;
  font-size: 1.42rem;
  letter-spacing: -0.012em;
  color: var(--fg-primary);
  will-change: clip-path, opacity, transform;
}

.flow-orbit__caption p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.68;
  color: rgba(17, 28, 47, 0.58);
  will-change: clip-path, opacity, transform;
}

.flow-orbit__caption.is-animating h3 {
  animation: orbitTextReveal 900ms cubic-bezier(0.25, 0.84, 0.3, 0.98) forwards;
}

.flow-orbit__caption.is-animating p {
  animation: orbitTextReveal 720ms cubic-bezier(0.25, 0.84, 0.3, 0.98) forwards;
  animation-delay: 140ms;
}

.flow-orbit__caption a.caption-link {
  color: var(--fg-primary);
  text-decoration: underline;
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.24em;
  font-weight: 500;
}

.flow-orbit__caption[data-caption="hero.steps.cta"] h3,
.flow-orbit__caption[data-caption="hero.steps.cta"] p {
  color: var(--fg-primary);
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(15, 23, 42, 0.35);
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0.9;
  animation: float 2.4s ease-in-out infinite;
}

.hero__scroll-hint::before {
  content: "";
  width: 40px;
  height: 1px;
  background: rgba(15, 23, 42, 0.18);
}

@keyframes float {
  0%,
  100% {
    transform: translate(-50%, 0);
  }
  50% {
    transform: translate(-50%, 6px);
  }
}

@keyframes orbitTextReveal {
  0% {
    opacity: 0;
    clip-path: inset(0 100% 0 0);
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    clip-path: inset(0 0 0 0);
    transform: translateY(0);
  }
}

.section {
  padding: 140px 7vw;
  position: relative;
}

.section--light {
  background: transparent;
}

.section--beta {
  background: linear-gradient(180deg, rgba(238, 242, 255, 0.7), rgba(246, 248, 255, 0.95));
  position: relative;
  overflow: hidden;
}

.section--beta::before {
  content: "";
  position: absolute;
  inset: 12% 16%;
  background: radial-gradient(circle at 30% 20%, rgba(142, 169, 255, 0.22), transparent 65%);
  filter: blur(38px);
  opacity: 0.6;
  pointer-events: none;
}

.feature-grid--beta {
  position: relative;
  z-index: 1;
  margin-top: 48px;
}

.feature-card--beta {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(79, 101, 161, 0.14);
  backdrop-filter: blur(14px);
  box-shadow: 0 28px 60px -40px rgba(17, 28, 47, 0.45);
}

.section--dark {
  background: var(--bg-alt);
}

.section--split {
  background: var(--bg-alt);
}

.section--cta {
  background: var(--bg-alt);
  padding-bottom: 160px;
}

.section__intro {
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}

.section__intro h2 {
  font-size: clamp(2rem, 3vw + 1rem, 3.2rem);
  margin-bottom: 16px;
}

.section__intro p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.feature-grid,
.tech-grid,
.retail-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  max-width: 1100px;
  margin: 0 auto;
}

.feature-card,
.tech-card,
.retail-grid article {
  padding: 28px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(15, 23, 42, 0.06);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature-card h3,
.tech-card h3,
.retail-grid h3 {
  font-size: 1.1rem;
  margin: 0;
}

.feature-card p,
.tech-card p,
.retail-grid p {
  margin: 0;
  color: var(--fg-soft);
  line-height: 1.6;
}

.flow-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 860px;
  display: grid;
  gap: 24px;
}

.flow-list li {
  display: grid;
  gap: 24px;
  grid-template-columns: auto 1fr;
  align-items: start;
  padding: 32px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(15, 23, 42, 0.07);
  background: #ffffff;
  backdrop-filter: blur(6px);
}

.flow__number {
  font-size: 2.8rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: rgba(111, 141, 255, 0.22);
}

.flow-list h3 {
  margin: 0 0 10px;
  font-size: 1.3rem;
}

.flow-list p {
  margin: 0;
  color: var(--fg-soft);
  line-height: 1.7;
}

.cta-panel {
  max-width: 780px;
  margin: 0 auto;
  padding: 56px 48px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(231, 236, 255, 0.92));
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 24px;
  box-shadow: 0 24px 60px -36px rgba(111, 141, 255, 0.45);
}

.cta-panel h2 {
  font-size: clamp(2.2rem, 3vw + 1rem, 3.1rem);
  margin: 0;
}

.cta-panel p {
  margin: 0;
  color: rgba(15, 23, 42, 0.7);
  font-size: 1.08rem;
  line-height: 1.6;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.footer {
  padding: 48px 7vw 60px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
  text-align: center;
  color: rgba(15, 23, 42, 0.55);
  font-size: 0.9rem;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(15, 23, 42, 0.7);
}

.footer .brand-mark {
  font-size: 1.15rem;
}

[data-animate] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--transition), transform var(--transition);
  will-change: transform, opacity;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: repeat(12, 1fr);
  }

  .hero__content {
    grid-column: 1 / span 12;
    max-width: 100%;
  }

  .hero__visual {
    grid-column: 1 / span 12;
    margin-top: 32px;
  }
}

@media (max-width: 900px) {
  .nav {
    padding: 20px 6vw;
  }

  .nav__right {
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav__links {
    gap: 10px;
    justify-content: flex-end;
  }

  .lang-toggle {
    min-width: 104px;
  }

  .hero {
    padding: 140px 6vw 100px;
  }

  .flow-orbit {
    gap: 24px;
  }

  .flow-orbit__stage {
    width: min(360px, 100%);
  }

  .flow-orbit__caption {
    max-width: 360px;
  }

  .flow-orbit__caption h3 {
    font-size: 1.28rem;
  }

  .flow-orbit__caption p {
    font-size: 1rem;
  }

  .section {
    padding: 120px 6vw;
  }

  .flow-list li {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .flow__number {
    text-align: center;
  }

  .cta-panel {
    padding: 48px 32px;
  }
}

@media (max-width: 600px) {
  .hero {
    min-height: auto;
    padding: 110px 5vw 72px;
    gap: 32px;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .hero__body {
    font-size: 0.98rem;
    margin-bottom: 24px;
  }

  .hero__actions {
    width: 100%;
    gap: 12px;
  }

  .button {
    width: 100%;
    padding: 12px 18px;
  }

  .feature-card,
  .tech-card,
  .retail-grid article {
    padding: 24px;
  }

  .feature-grid,
  .tech-grid,
  .retail-grid {
    grid-template-columns: 1fr;
  }

  .flow-orbit__stage {
    width: min(300px, 100%);
  }

  .flow-orbit__caption {
    max-width: 300px;
  }

  .flow-orbit__caption h3 {
    font-size: 1.18rem;
  }

  .flow-orbit__caption p {
    font-size: 0.96rem;
  }

  .section {
    padding: 96px 5vw;
  }

  .feature-grid--beta {
    margin-top: 32px;
  }

  .flow-list li {
    padding: 24px;
  }

  .flow__number {
    font-size: 2.2rem;
  }

  .cta-panel {
    padding: 36px 24px;
  }

  .nav {
    padding: calc(18px + env(safe-area-inset-top, 0px)) 5vw 16px;
    align-items: flex-start;
    gap: 18px;
  }

  .nav__brand {
    font-size: 0.85rem;
  }

  .nav__right {
    width: 100%;
    margin-left: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .nav__links {
    width: 100%;
    justify-content: flex-start;
    gap: 14px;
    font-size: 0.92rem;
  }

  .nav__links a {
    padding: 6px 0;
  }

  .nav__cta {
    width: 100%;
    text-align: center;
    padding: 10px 16px;
  }

  .lang-toggle {
    width: 100%;
    min-width: 0;
    justify-content: space-between;
  }

  .lang-toggle__option {
    letter-spacing: 0.16em;
    font-size: 0.68rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button,
  .nav,
  [data-animate] {
    transition: none;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
  }

  .flow-orbit__caption.is-animating h3,
  .flow-orbit__caption.is-animating p {
    animation: none;
    animation-delay: 0s;
  }
}