:root {
  color-scheme: light dark;
  --bg: #f2f6fb;
  --bg-strong: #e7eef8;
  --surface: #ffffff;
  --surface-strong: #eff4fb;
  --text: #101b2b;
  --muted: #536074;
  --accent: #2a6fd6;
  --accent-strong: #1b4f9a;
  --border: #d7e1ef;
  --shadow: 0 30px 70px rgba(9, 18, 33, 0.12);
  --chip: #e7effb;
  --focus: rgba(42, 111, 214, 0.25);
  --grid: rgba(12, 18, 35, 0.05);
  --action-primary-bg: linear-gradient(135deg, #3a86ff, #2a6fd6);
  --action-primary-text: #f5f8ff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b111a;
    --bg-strong: #0f1724;
    --surface: #141e2c;
    --surface-strong: #1a2536;
    --text: #e6edf7;
    --muted: #9fb0c7;
    --accent: #61a8ff;
    --accent-strong: #2f6bd1;
    --border: #233049;
    --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
    --chip: #1b263a;
    --focus: rgba(97, 168, 255, 0.25);
    --grid: rgba(255, 255, 255, 0.05);
    --action-primary-bg: linear-gradient(135deg, #6cb2ff, #3a7de0);
    --action-primary-text: #071018;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(900px 520px at 8% 6%, rgba(66, 149, 255, 0.25), transparent 60%),
    radial-gradient(700px 520px at 92% 12%, rgba(28, 78, 160, 0.2), transparent 60%),
    linear-gradient(160deg, var(--bg), var(--bg-strong));
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 20px 64px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  opacity: 0.35;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  inset: -35% auto auto -10%;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle at center, rgba(58, 134, 255, 0.3), transparent 70%);
  filter: blur(20px);
  opacity: 0.8;
  pointer-events: none;
  animation: drift 18s ease-in-out infinite;
  z-index: 0;
}

@media (prefers-color-scheme: light) {
  .bg-glow {
    background: radial-gradient(circle at center, rgba(42, 111, 214, 0.28), transparent 70%);
  }
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(40px, 20px, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

.shell {
  width: min(980px, 100%);
  display: grid;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.brand {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.brand-centered {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.brand-copy {
  max-width: 680px;
}

.brand-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 12px;
}

.brand h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 600;
}

.brand-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.brand-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
}

.brand-centered .brand-actions {
  justify-content: center;
}

.repo-link {
  appearance: none;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.repo-link:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  color: var(--accent);
}

.content {
  background: var(--surface);
  border-radius: 24px;
  border: 1px solid var(--border);
  padding: clamp(1.75rem, 2.2vw + 1rem, 3rem);
  box-shadow: var(--shadow);
}

.content .lead {
  margin-top: 0;
  font-size: 1.02rem;
  color: var(--text);
}

.content .meta {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.content h2 {
  margin: 2rem 0 0.85rem;
  font-size: clamp(1.05rem, 1.2vw + 0.95rem, 1.4rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  text-align: center;
}

.content > section:first-of-type h2 {
  margin-top: 1rem;
}

.content p,
.content li {
  margin: 0 0 1rem;
  line-height: 1.7;
}

.content ul {
  padding-left: 1.1rem;
  margin: 0 0 1.5rem;
}

.content a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.content a:hover {
  text-decoration: underline;
}

.content code {
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.95rem;
  padding: 0.08rem 0.35rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
}

.doc-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.wallets {
  display: grid;
  gap: 16px;
  margin-top: 1.5rem;
}

.wallet-card {
  padding: 1.25rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.wallet-card:hover,
.wallet-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.wallet-card h2 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
}

.address-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: nowrap;
  align-items: center;
}

.address {
  margin: 0;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.95rem;
  word-break: break-word;
  line-height: 1.5;
}

.copy-button {
  border: none;
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--action-primary-text);
  background: var(--action-primary-bg);
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease;
  box-shadow: 0 12px 24px rgba(31, 111, 139, 0.2);
}

.copy-button:hover,
.copy-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(31, 111, 139, 0.3);
  outline: none;
}

.copy-button:active {
  transform: translateY(0);
  box-shadow: none;
}

.copy-button.copied {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #081a0d;
}

.hint {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.avatar {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(56, 189, 248, 0.2);
  box-shadow: 0 12px 28px rgba(9, 18, 33, 0.35);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 900px) {
  .brand-actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 760px) {
  .brand {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand.brand-centered {
    align-items: center;
    text-align: center;
  }

  .brand.brand-centered .brand-actions {
    justify-content: center;
  }

  .brand-actions {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
  }
}

.services-grid {
  display: grid;
  gap: 16px;
  margin-top: 1.5rem;
}

@media (min-width: 820px) {
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.service-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.25rem 1.4rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
}

.icon-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(42, 111, 214, 0.12);
  border: 1px solid rgba(42, 111, 214, 0.25);
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 18px rgba(42, 111, 214, 0.12);
}

.icon-circle svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  margin: 0;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
}

.service-card p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.action-grid {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}

.content .action-btn {
  color: var(--text);
}

.action-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.action-btn:hover,
.action-btn:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 12px 25px rgba(31, 111, 139, 0.2);
  outline: none;
}

.content.content-center {
  text-align: center;
}

.content.content-center h2 {
  margin-top: 0;
  text-align: center;
}

@media (max-width: 700px) {
  .service-card {
    grid-template-columns: 1fr;
  }

  .icon-circle {
    width: 46px;
    height: 46px;
  }
}