:root {
  color-scheme: dark;
  --ink: #f7f4ff;
  --muted: #bdb5d5;
  --faint: #81799a;
  --violet: #8b5cf6;
  --cyan: #39d9ff;
  --magenta: #ec5fff;
  --gold: #ffc95c;
  --surface: rgba(24, 20, 49, 0.76);
  --surface-strong: rgba(31, 26, 61, 0.94);
  --line: rgba(205, 190, 255, 0.18);
  --shadow: 0 24px 80px rgba(3, 1, 20, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% -10%, rgba(139, 92, 246, 0.34), transparent 36rem),
    radial-gradient(circle at 100% 20%, rgba(57, 217, 255, 0.17), transparent 32rem),
    radial-gradient(circle at 50% 100%, rgba(236, 95, 255, 0.13), transparent 35rem),
    #070716;
}

a {
  color: var(--cyan);
  text-underline-offset: 0.18em;
}

a:hover {
  color: #8deaff;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
  border-radius: 6px;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 7, 22, 0.78);
  backdrop-filter: blur(18px);
}

.nav,
.page,
.footer-inner {
  width: min(1080px, calc(100% - 40px));
  margin-inline: auto;
}

.nav {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  transform: rotate(45deg);
  border: 1px solid rgba(141, 234, 255, 0.7);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.9), rgba(57, 217, 255, 0.8));
  box-shadow: 0 0 28px rgba(57, 217, 255, 0.24);
}

.brand-mark::after {
  width: 8px;
  height: 8px;
  content: "";
  border-radius: 3px;
  background: white;
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.9);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.page {
  padding-block: 72px 96px;
}

.hero {
  display: grid;
  min-height: 64vh;
  align-items: center;
  padding-block: 64px 96px;
}

.hero-copy {
  max-width: 760px;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

h1 {
  max-width: 13ch;
  font-size: clamp(3.4rem, 9vw, 7rem);
}

h2 {
  margin-top: 64px;
  font-size: clamp(2rem, 4.8vw, 3.25rem);
}

h3 {
  margin-top: 38px;
  font-size: 1.28rem;
  letter-spacing: -0.015em;
}

.gradient-text {
  color: transparent;
  background: linear-gradient(100deg, #ffffff 8%, #b7a2ff 47%, #48ddff 88%);
  background-clip: text;
  -webkit-background-clip: text;
}

.hero p {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2.2vw, 1.35rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--ink);
  background: var(--surface);
  font-size: 1rem;
  font-weight: 750;
  text-decoration: none;
  box-shadow: var(--shadow);
}

.button.primary {
  border-color: transparent;
  color: #09071a;
  background: linear-gradient(110deg, #b9a4ff, #55e4ff);
}

.button:hover {
  transform: translateY(-1px);
  color: var(--ink);
}

.button.primary:hover {
  color: #09071a;
}

.feature-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  margin-top: 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.feature {
  min-height: 190px;
  padding: 30px;
  background: var(--surface-strong);
}

.feature h2 {
  margin: 0 0 12px;
  font-size: 1.22rem;
  letter-spacing: -0.015em;
}

.feature p {
  margin: 0;
  color: var(--muted);
}

.legal {
  max-width: 790px;
}

.legal > p:first-of-type,
.lede {
  color: var(--muted);
  font-size: 1.16rem;
}

.legal h1 {
  max-width: none;
  font-size: clamp(2.7rem, 7vw, 5rem);
}

.legal p,
.legal li {
  color: #d8d2e8;
}

.legal ul {
  padding-left: 1.35rem;
}

.legal li + li {
  margin-top: 8px;
}

.effective {
  margin: 18px 0 42px;
  color: var(--faint);
  font-size: 0.95rem;
}

.notice {
  margin: 38px 0;
  padding: 22px 24px;
  border: 1px solid rgba(57, 217, 255, 0.3);
  border-radius: 18px;
  background: rgba(57, 217, 255, 0.07);
}

.support-list {
  margin-top: 44px;
  border-top: 1px solid var(--line);
}

.support-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding-block: 26px;
  border-bottom: 1px solid var(--line);
}

.support-row strong {
  font-size: 1.03rem;
}

.support-row p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--faint);
}

.footer-inner {
  display: flex;
  min-height: 100px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

@media (max-width: 760px) {
  .nav,
  .page,
  .footer-inner {
    width: min(100% - 28px, 1080px);
  }

  .nav {
    min-height: 64px;
  }

  .nav-links {
    gap: 12px;
  }

  .nav-links a:first-child {
    display: none;
  }

  .page {
    padding-block: 52px 72px;
  }

  .hero {
    min-height: auto;
    padding-block: 56px 70px;
  }

  h1 {
    font-size: clamp(3rem, 16vw, 5rem);
  }

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

  .feature {
    min-height: auto;
  }

  .support-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding-block: 24px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
