:root {
  --bg: #070a09;
  --bg-elevated: #0d1412;
  --bg-card: #111917;
  --bg-card-hover: #16201d;
  --lime: #d8ff2a;
  --lime-soft: rgba(216, 255, 42, 0.14);
  --cyan: #2ef0d8;
  --cyan-soft: rgba(46, 240, 216, 0.14);
  --white: #f7f8f7;
  --muted: #9aa8a4;
  --line: rgba(255, 255, 255, 0.08);
  --radius: 1.25rem;
  --radius-sm: 0.85rem;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --container: min(72rem, calc(100% - 2rem));
  --header: 4.25rem;
  --font: "Manrope", system-ui, sans-serif;
  --display: "Unbounded", "Manrope", system-ui, sans-serif;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--white);
  background: var(--bg);
  overflow-x: hidden;
  padding-bottom: env(safe-area-inset-bottom);
  -webkit-tap-highlight-color: rgba(216, 255, 42, 0.2);
}

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

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

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  font-family: var(--display);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.page-bg__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.page-bg__glow--lime {
  width: min(28rem, 80vw);
  height: min(28rem, 80vw);
  top: -8rem;
  right: -6rem;
  background: rgba(216, 255, 42, 0.12);
}

.page-bg__glow--cyan {
  width: min(24rem, 70vw);
  height: min(24rem, 70vw);
  bottom: 10%;
  left: -8rem;
  background: rgba(46, 240, 216, 0.1);
}

.page-bg__pitch {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(46, 240, 216, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 240, 216, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 20%, black 10%, transparent 70%);
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: var(--header);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 10, 9, 0.82);
  backdrop-filter: blur(16px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: var(--header);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.lang {
  display: inline-flex;
  padding: 0.18rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.lang__btn {
  min-width: 2.4rem;
  padding: 0.35rem 0.55rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.lang__btn:hover {
  color: var(--white);
}

.lang__btn.is-active {
  background: var(--lime);
  color: #10140b;
}

.lang__btn:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.brand__mark {
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
}

.brand__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: screen;
}

.brand__text {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.04em;
}

.header__status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px var(--lime-soft);
  animation: pulse 2s ease-in-out infinite;
}

.hero {
  padding: clamp(2rem, 6vw, 5rem) 0 clamp(3rem, 8vw, 6rem);
}

.hero__content {
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 0.85rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(1.7rem, 8vw, 3.75rem);
  font-weight: 700;
  max-width: 16ch;
}

.hero h1 em {
  font-style: normal;
  color: var(--lime);
}

.hero__lead {
  margin-top: 1.1rem;
  max-width: 38rem;
  color: var(--muted);
  font-size: clamp(0.95rem, 2.6vw, 1.125rem);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--white);
}

.chip--lime {
  border-color: rgba(216, 255, 42, 0.4);
  background: var(--lime-soft);
  color: var(--lime);
}

.chip--cyan {
  border-color: rgba(46, 240, 216, 0.4);
  background: var(--cyan-soft);
  color: var(--cyan);
}

.notice {
  margin: 0;
  padding: max(0.65rem, env(safe-area-inset-top)) 0 0.65rem;
}

.notice__bar {
  display: block;
  width: var(--container);
  margin-inline: auto;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: var(--lime);
  color: #10140b;
  font-family: var(--display);
  font-size: clamp(0.82rem, 3.4vw, 1.05rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-align: center;
  line-height: 1.25;
}

.section-head {
  max-width: 40rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.section-head h2 {
  font-size: clamp(1.35rem, 4.5vw, 2.35rem);
}

.section-head__text {
  margin-top: 0.85rem;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  gap: 0.85rem;
}

.feature-card {
  padding: 1.15rem 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-card);
  min-width: 0;
}

.feature-card__index {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--lime);
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.feature-card h3 {
  font-size: 1.05rem;
}

.sync {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(46, 240, 216, 0.04), transparent 40%);
}

.sync-list {
  display: grid;
  gap: 0.75rem;
}

.sync-item {
  display: grid;
  gap: 0.7rem;
  padding: 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-elevated);
}

.sync-item__label {
  display: inline-block;
  margin-bottom: 0.3rem;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sync-item__from strong {
  display: block;
  font-size: 1rem;
}

.sync-item__arrow {
  display: block;
  width: 2.25rem;
  height: 2px;
  background: linear-gradient(90deg, var(--lime), var(--cyan));
}

.sync-item__to {
  color: var(--muted);
  font-size: 0.92rem;
}

.features,
.sync {
  padding: clamp(2.5rem, 7vw, 5.5rem) 0;
}

.footer {
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__brand img {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  mix-blend-mode: screen;
}

.is-reveal {
  opacity: 0;
  transform: translateY(14px);
}

.is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.55s ease, transform 0.55s ease;
}

@keyframes pulse {
  0%,
  100% { opacity: 1; }
  50% { opacity: 0.45; }
}

@media (min-width: 360px) {
  :root { --container: min(72rem, calc(100% - 2.25rem)); }
}

@media (min-width: 390px) {
  .feature-card,
  .sync-item {
    padding: 1.25rem 1.2rem 1.35rem;
  }
}

@media (min-width: 768px) {
  :root { --container: min(72rem, calc(100% - 3rem)); }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .sync-item {
    grid-template-columns: minmax(12rem, 0.9fr) auto minmax(0, 1.2fr);
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 1.4rem;
  }

  .sync-item__arrow {
    width: 3rem;
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  :root { --container: min(72rem, calc(100% - 4rem)); }

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

  .feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(46, 240, 216, 0.28);
    transform: translateY(-2px);
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  }
}

@media (min-width: 1280px) {
  :root { --container: min(74rem, calc(100% - 5rem)); }

  .hero {
    padding-top: 5.5rem;
  }
}

@media (min-width: 1440px) {
  :root { --container: 76rem; }
}

@media (max-width: 429px) {
  .header__status {
    display: none;
  }
}

@media (max-width: 359px) {
  .brand__text {
    font-size: 0.95rem;
  }

  .hero h1 {
    max-width: none;
  }
}

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

  .status-dot {
    animation: none;
  }

  .is-reveal,
  .is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .feature-card:hover {
    transform: none;
  }
}