:root {
  --color-bg: #0d0d0f;
  --color-bg-soft: #17171c;
  --color-bg-elevated: rgba(24, 24, 30, 0.88);
  --color-panel: #15151b;
  --color-panel-strong: #1d1e26;
  --color-line: rgba(255, 255, 255, 0.08);
  --color-line-strong: rgba(255, 255, 255, 0.12);
  --color-text: #f5f5f7;
  --color-text-soft: #c4c6cc;
  --color-text-muted: #91949f;
  --color-accent: #e8873a;
  --color-accent-soft: rgba(232, 135, 58, 0.16);
  --color-accent-strong: #f59b3d;
  --color-js: #f1c74f;
  --color-kotlin: #8e69ff;
  --color-swift: #f48b41;
  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.28);
  --shadow-line: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 34px;
  --shell: min(1120px, calc(100vw - 2rem));
  --nav-height: 5rem;
  --transition: 180ms ease;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top right, rgba(232, 135, 58, 0.08), transparent 32rem),
    radial-gradient(circle at 10% 20%, rgba(232, 135, 58, 0.06), transparent 24rem),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

code,
pre {
  font-family: "SFMono-Regular", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

.shell {
  width: var(--shell);
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 5.75rem 0;
}

.section--accent {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.01), rgba(255, 255, 255, 0)),
    rgba(255, 255, 255, 0.01);
}

.section__intro {
  max-width: 42rem;
  margin-bottom: 2.5rem;
}

.section__intro h2 {
  margin: 0.45rem 0 0.75rem;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.section__intro p {
  margin: 0;
  color: var(--color-text-soft);
}

.eyebrow {
  margin: 0;
  color: var(--color-accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  padding-top: 0.7rem;
  transition: padding var(--transition);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--nav-height);
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(13, 13, 15, 0.7);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-line);
  transition: min-height var(--transition), background var(--transition), border-color var(--transition);
}

.nav--scrolled {
  padding-top: 0.4rem;
}

.nav--scrolled .nav__inner {
  min-height: 4.25rem;
  background: rgba(13, 13, 15, 0.82);
  border-color: var(--color-line-strong);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
}

.nav__logo {
  width: 7.25rem;
  height: auto;
}

.nav__toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  width: 2.85rem;
  height: 2.85rem;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text);
}

.nav__toggle span {
  width: 1rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav__menu {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 1rem;
  right: 1rem;
  display: grid;
  gap: 0.3rem;
  padding: 0.65rem;
  border: 1px solid var(--color-line);
  border-radius: 1.2rem;
  background: rgba(18, 18, 22, 0.95);
  backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.5rem);
  transition: opacity var(--transition), transform var(--transition);
}

.nav__menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 2.7rem;
  padding: 0 0.9rem;
  border-radius: 0.9rem;
  color: var(--color-text-soft);
  font-size: 0.95rem;
  transition: background var(--transition), color var(--transition);
}

.nav__link:hover,
.nav__link:focus-visible {
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  outline: 2px solid rgba(232, 135, 58, 0.5);
  outline-offset: -2px;
}

.nav__link--cta {
  justify-content: center;
  background: var(--color-accent);
  color: #121212;
  font-weight: 700;
}

.nav__link--cta:hover,
.nav__link--cta:focus-visible {
  background: var(--color-accent-strong);
  color: #121212;
}

.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 3rem);
  overflow: clip;
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 36%, rgba(232, 135, 58, 0.15), transparent 22rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.hero__layout {
  position: relative;
  display: grid;
  gap: 3rem;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__title {
  max-width: 22ch;
  margin: 0.5rem 0 1rem;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero__lede {
  max-width: 38rem;
  margin: 0;
  color: var(--color-text-soft);
  font-size: clamp(1.02rem, 2vw, 1.2rem);
}

.hero__hook {
  margin: 1rem 0 0;
  color: var(--color-accent);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
}

.demo-layout {
  display: grid;
  gap: 3rem;
  align-items: center;
  grid-template-columns: 1fr;
}

.demo-video {
  max-width: 22rem;
}

.demo-video video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 0 0 1px var(--color-line), var(--shadow-soft);
}

.demo-steps {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.demo-steps__label {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.demo-steps__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  counter-reset: step;
}

.demo-steps__list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  counter-increment: step;
}

.demo-steps__list li::before {
  content: counter(step);
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-soft);
  border: 1px solid rgba(232, 135, 58, 0.3);
  color: var(--color-accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
}

.demo-steps__list pre {
  margin: 0;
  padding: 0.7rem 1rem;
  font-size: 0.88rem;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
  background: var(--color-panel);
  flex: 1;
  min-width: 0;
}

.hero__actions,
.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: 2px solid rgba(232, 135, 58, 0.5);
  outline-offset: 2px;
}

.button--primary {
  background: var(--color-accent);
  color: #131313;
}

.button--primary:hover,
.button--primary:focus-visible {
  background: var(--color-accent-strong);
}

.button--ghost {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.02);
}

.button--ghost:hover,
.button--ghost:focus-visible {
  border-color: rgba(232, 135, 58, 0.45);
  background: rgba(232, 135, 58, 0.06);
}

.badge {
  padding: 0.45rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text-soft);
  font-size: 0.86rem;
}

.hero__visual {
  position: relative;
  display: grid;
  gap: 1.4rem;
  align-content: start;
  justify-items: start;
}

.hero__glow {
  position: absolute;
  inset: -2rem auto auto 10%;
  width: min(30rem, 72vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 135, 58, 0.28), rgba(232, 135, 58, 0) 68%);
  filter: blur(18px);
  pointer-events: none;
}

.hero__logo {
  position: relative;
  z-index: 1;
  width: min(20rem, 72vw);
  height: auto;
}

.hero__acronym {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero__stats {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.9rem;
  width: 100%;
}

.metric {
  display: grid;
  gap: 0.15rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow-soft);
}

.metric__value {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.metric__label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.feature-grid,
.module-grid {
  display: grid;
  gap: 1rem;
}

.card {
  position: relative;
  padding: 1.35rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--color-panel);
  box-shadow: var(--shadow-soft), var(--shadow-line);
}

.card--feature h3,
.card--module h3 {
  margin: 0;
  font-size: 1.08rem;
}

.card--feature p,
.card--module p {
  margin: 0.65rem 0 0;
  color: var(--color-text-soft);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  border-radius: 1rem;
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.card__icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.diagram {
  display: grid;
  gap: 1rem;
}

.diagram__layer {
  position: relative;
  padding: 1.4rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at right top, rgba(232, 135, 58, 0.08), transparent 16rem),
    var(--color-panel);
  box-shadow: var(--shadow-soft), var(--shadow-line);
}

.diagram__layer::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1.1rem;
  width: 1px;
  height: 1.1rem;
  background: linear-gradient(180deg, rgba(232, 135, 58, 0.55), transparent);
  transform: translateX(-50%);
}

.diagram__layer:last-child::after {
  display: none;
}

.diagram__layer--bridge {
  background:
    radial-gradient(circle at right top, rgba(241, 199, 79, 0.06), transparent 16rem),
    var(--color-panel);
}

.diagram__layer--runtime {
  background:
    radial-gradient(circle at right top, rgba(142, 105, 255, 0.06), transparent 16rem),
    var(--color-panel);
}

.diagram__layer--core {
  background:
    radial-gradient(circle at right top, rgba(232, 135, 58, 0.1), transparent 16rem),
    var(--color-panel);
}

.diagram__label {
  margin-bottom: 1rem;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.diagram__split {
  display: grid;
  gap: 1rem;
}

.diagram__column {
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
}

.diagram__column h3 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
}

.diagram__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  padding: 0 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text-soft);
  font-size: 0.87rem;
  font-weight: 600;
}

.chip--js {
  border-color: rgba(241, 199, 79, 0.22);
  color: var(--color-js);
}

.chip--kotlin {
  border-color: rgba(142, 105, 255, 0.26);
  color: #b8a3ff;
}

.chip--swift {
  border-color: rgba(244, 139, 65, 0.22);
  color: #ffb27d;
}

.chip--core {
  border-color: rgba(232, 135, 58, 0.18);
  color: var(--color-accent-strong);
}

.chip--core-wide {
  color: var(--color-text-soft);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tabs--filters {
  margin-bottom: 1.4rem;
}

.tabs--install {
  margin-bottom: 1rem;
}

.tabs__button {
  min-height: 2.8rem;
  padding: 0 1rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-text-soft);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.tabs__button:hover,
.tabs__button:focus-visible,
.tabs__button.is-active {
  border-color: rgba(232, 135, 58, 0.35);
  background: rgba(232, 135, 58, 0.08);
  color: var(--color-text);
  outline: 2px solid rgba(232, 135, 58, 0.5);
  outline-offset: 2px;
}

.tabs__button:hover,
.tabs__button.is-active {
  outline: none;
}

.card--module {
  display: grid;
  align-content: start;
  gap: 0.3rem;
}

.card--module a {
  margin-top: 0.8rem;
  color: var(--color-accent-strong);
  font-weight: 700;
}

.card--module.is-hidden {
  display: none;
}

.platform {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 1.9rem;
  padding: 0 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.platform--js {
  background: rgba(241, 199, 79, 0.16);
  color: var(--color-js);
}

.platform--kotlin {
  background: rgba(142, 105, 255, 0.16);
  color: #b8a3ff;
}

.platform--swift {
  background: rgba(244, 139, 65, 0.16);
  color: #ffb27d;
}

.install {
  padding: 1.15rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top right, rgba(232, 135, 58, 0.08), transparent 14rem),
    var(--color-panel);
  box-shadow: var(--shadow-soft), var(--shadow-line);
}

.install__panel {
  position: relative;
}

.copy-button {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  min-height: 2.25rem;
  padding: 0 0.85rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-soft);
  font-size: 0.86rem;
  font-weight: 700;
}

.copy-button:hover,
.copy-button:focus-visible {
  border-color: rgba(232, 135, 58, 0.28);
  color: var(--color-text);
  outline: 2px solid rgba(232, 135, 58, 0.5);
  outline-offset: 2px;
}

.copy-button:hover {
  outline: none;
}

pre {
  margin: 0;
  padding: 3.6rem 1rem 1rem;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  background: #0a0b0e;
}

code {
  font-size: 0.94rem;
}

.token--comment {
  color: #7d8594;
}

.equiv-table {
  width: 100%;
  max-width: 36rem;
  border-collapse: collapse;
  font-size: 1rem;
}

.equiv-table th,
.equiv-table td {
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--color-line);
  text-align: left;
}

.equiv-table thead th {
  background: var(--color-panel-strong);
  color: var(--color-text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.equiv-table tbody tr:nth-child(odd) {
  background: rgba(255, 255, 255, 0.02);
}

.equiv-table td:first-child {
  color: var(--color-text-soft);
}

.equiv-table td code {
  color: var(--color-accent-strong);
}

.footer__credit {
  margin-top: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.footer {
  padding: 4rem 0 2.5rem;
  border-top: 1px solid var(--color-line);
  background: rgba(0, 0, 0, 0.16);
}

.footer__grid {
  display: grid;
  gap: 2rem;
}

.footer__logo {
  width: 7rem;
  height: auto;
}

.footer__brand p,
.footer__meta,
.footer__bar p {
  color: var(--color-text-muted);
}

.footer__grid h3 {
  margin: 0 0 0.8rem;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer__grid a,
.footer__grid p {
  display: block;
  margin: 0.35rem 0;
}

.footer__grid a:hover,
.footer__grid a:focus-visible {
  color: var(--color-accent-strong);
  outline: 2px solid rgba(232, 135, 58, 0.5);
  outline-offset: 2px;
}

.footer__grid a:hover {
  outline: none;
}

.footer__bar {
  display: grid;
  gap: 0.4rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-line);
  font-size: 0.92rem;
}

.has-js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.has-js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .has-js .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 600px) {
  .section {
    padding: 6.75rem 0;
  }

  .hero__stats,
  .feature-grid,
  .module-grid,
  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .diagram__split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .install {
    padding: 1.4rem;
  }

  pre {
    padding: 3.85rem 1.4rem 1.4rem;
  }
}

@media (min-width: 900px) {
  .nav__toggle {
    display: none;
  }

  .nav__menu {
    position: static;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0;
    border: 0;
    background: transparent;
    backdrop-filter: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav__link {
    min-height: 2.8rem;
  }

  .hero__layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.9fr);
    align-items: center;
  }

  .demo-layout {
    grid-template-columns: 22rem 1fr;
  }

  .demo-video {
    max-width: none;
  }

  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .module-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer__grid {
    grid-template-columns: 1.3fr 0.8fr 0.8fr 0.8fr;
  }

  .footer__bar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}