:root {
  --bg: #071126;
  --bg2: #17103d;
  --surface: rgba(11, 22, 49, .72);
  --text: #f8fafc;
  --muted: #b9c5dc;
  --line: rgba(255, 255, 255, .12);
  --violet: #a855f7;
  --blue: #4f8cff;
  --cyan: #27d7ff;
  --green: #20e0a0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 80% 8%, rgba(93, 58, 238, .34), transparent 28%),
    radial-gradient(circle at 8% 48%, rgba(21, 150, 224, .13), transparent 31%),
    linear-gradient(135deg, var(--bg), var(--bg2));
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .32;
  background-image:
    radial-gradient(circle at 12% 17%, #fff 0 1px, transparent 1.3px),
    radial-gradient(circle at 76% 11%, #9dc7ff 0 1px, transparent 1.2px),
    radial-gradient(circle at 61% 49%, #fff 0 1px, transparent 1.2px),
    radial-gradient(circle at 92% 67%, #a78bfa 0 1px, transparent 1.2px);
  background-size: 260px 220px, 340px 290px, 410px 360px, 300px 300px;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 38px)); margin-inline: auto; }

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 15, 34, .72);
  backdrop-filter: blur(18px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 12px;
  font-size: 1.45rem;
  font-weight: 850;
}
.brand-badge {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(135deg, #a855f7, #4f8cff);
  box-shadow: 0 12px 30px rgba(91, 75, 255, .35);
}
.nav-actions,
.menu {
  display: flex;
  align-items: center;
}
.nav-actions { min-width: 0; gap: 14px; }
.menu { gap: 25px; color: #dce6f7; font-size: .95rem; }
.menu a:hover,
.footer a:hover { color: #fff; }
.link-pill {
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, .04);
}

.language-switcher { position: relative; flex: 0 0 auto; }
.language-current {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: #eef4ff;
  background: rgba(255, 255, 255, .06);
  font-size: .88rem;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.language-current::-webkit-details-marker { display: none; }
.language-current:hover,
.language-switcher[open] .language-current {
  border-color: rgba(255, 255, 255, .27);
  background: rgba(255, 255, 255, .1);
}
.language-current:focus-visible,
.language-option:focus-visible,
a:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}
.language-flag {
  width: 22px;
  height: 15px;
  border-radius: 2px;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .18);
}
.language-chevron { transition: transform .18s ease; }
.language-switcher[open] .language-chevron { transform: rotate(180deg); }
.language-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 80;
  width: max-content;
  min-width: 190px;
  margin: 0;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(8, 17, 39, .98);
  box-shadow: 0 22px 60px rgba(0, 0, 0, .42);
  list-style: none;
}
.language-option {
  display: grid;
  grid-template-columns: 22px 28px 1fr;
  align-items: center;
  gap: 6px;
  padding: 10px 11px;
  border-radius: 10px;
  color: #dce6f7;
  font-size: .88rem;
}
.language-option:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.language-option.is-active {
  color: #fff;
  background: linear-gradient(135deg, rgba(168, 85, 247, .25), rgba(79, 140, 255, .2));
}
.language-option.is-active::after {
  content: "✓";
  grid-column: 4;
  color: #8ee4ff;
}
.language-name { color: var(--muted); font-weight: 500; }

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 58px;
  padding: 88px 0 76px;
}
.eyebrow {
  color: #a9cbff;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}
h1 {
  margin: 18px 0 24px;
  font-size: clamp(3.2rem, 7vw, 6.5rem);
  line-height: .94;
  letter-spacing: -.06em;
}
.gradient {
  color: transparent;
  background: linear-gradient(90deg, #d35cff, #8874ff, #4dc8ff);
  background-clip: text;
  -webkit-background-clip: text;
}
.lead {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.22rem;
  line-height: 1.72;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 31px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  font-weight: 750;
  transition: .2s ease;
}
.btn:hover { transform: translateY(-2px); border-color: rgba(255, 255, 255, .27); }
.btn-primary {
  border: 0;
  background: linear-gradient(135deg, #9b4df4, #4f8cff);
  box-shadow: 0 14px 34px rgba(77, 78, 255, .28);
}
.btn-secondary { background: rgba(255, 255, 255, .04); }
.hero-art { position: relative; }
.hero-art::before {
  content: "";
  position: absolute;
  inset: -25px;
  border-radius: 45px;
  background: linear-gradient(135deg, rgba(173, 72, 255, .22), rgba(38, 189, 255, .14));
  filter: blur(34px);
}
.hero-art img {
  position: relative;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 30px;
  box-shadow: 0 34px 100px rgba(0, 0, 0, .42);
}
section { padding: 82px 0; }
.section-title {
  margin: 8px 0 12px;
  font-size: clamp(2.15rem, 4vw, 3.5rem);
  letter-spacing: -.045em;
}
.section-sub {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}
.app-showcase {
  display: grid;
  grid-template-columns: 170px 1fr;
  align-items: center;
  gap: 28px;
  margin-top: 36px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .025));
  box-shadow: 0 30px 85px rgba(0, 0, 0, .2);
}
.app-icon {
  width: 150px;
  border-radius: 34px;
  box-shadow: 0 20px 54px rgba(52, 106, 255, .32);
}
.app-showcase h3 { margin: 0 0 8px; font-size: 2.1rem; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.pill {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #dfe9f8;
  background: rgba(255, 255, 255, .045);
  font-size: .84rem;
}
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, .04);
  box-shadow: 0 16px 50px rgba(0, 0, 0, .12);
}
.card-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(160, 140, 255, .25);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(168, 85, 247, .23), rgba(79, 140, 255, .18));
  font-weight: 800;
}
.card h3 { margin: 15px 0 9px; }
.card p { margin: 0; color: var(--muted); line-height: 1.65; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 30px; }
.contact {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, .04);
}
.contact strong { display: block; margin-bottom: 8px; }
.contact span { color: var(--muted); }
.notice {
  padding: 18px 20px;
  border: 1px solid rgba(66, 171, 255, .25);
  border-radius: 16px;
  color: #deebff;
  background: rgba(52, 130, 255, .09);
}
.footer { padding: 34px 0 42px; border-top: 1px solid var(--line); color: var(--muted); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 22px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.legal { max-width: 900px; }
.legal h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); }
.legal h2 { margin-top: 38px; font-size: 1.45rem; }
.legal p,
.legal li { color: #c6d0e2; line-height: 1.8; }
.legal a { color: #86bfff; text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 860px) {
  .menu { gap: 13px; font-size: .88rem; }
  .nav-actions { gap: 9px; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 64px; }
  .grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .app-showcase { grid-template-columns: 100px 1fr; }
  .app-icon { width: 100px; border-radius: 23px; }
}

@media (max-width: 600px) {
  .container { width: min(1180px, calc(100% - 24px)); }
  .nav-inner { height: 70px; gap: 10px; }
  .brand { gap: 8px; font-size: 1.15rem; }
  .brand-badge { width: 36px; height: 36px; border-radius: 11px; }
  .menu { gap: 8px; }
  .menu a:not(.link-pill) { display: none; }
  .link-pill { padding: 8px 9px; }
  .language-current { min-height: 38px; padding: 8px 9px; }
  .language-menu { position: fixed; top: 76px; right: 12px; left: 12px; width: auto; }
  .language-option { grid-template-columns: 22px 30px 1fr; padding: 12px; }
  h1 { font-size: 3.45rem; }
  .app-showcase { grid-template-columns: 1fr; }
  .app-icon { width: 112px; }
}

@media (max-width: 380px) {
  .brand { font-size: 0; }
  .brand-badge { font-size: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn,
  .language-chevron { transition: none; }
}