:root {
  color-scheme: light;
  --page-padding: 1.5rem;
  --background: #fcfcfd;
  --surface: #ffffff;
  --surface-muted: #f8f8f9;
  --border: #e8e8ec;
  --border-strong: #ddddE3;
  --foreground: #18181b;
  --muted: #71717a;
  --muted-foreground: #52525b;
  --primary: #18181b;
  --primary-foreground: #fafafa;
  --success-bg: #f0fdf4;
  --success-border: #d3f3dc;
  --success-text: #166534;
  --error-bg: #fef2f2;
  --error-border: #ffd9d9;
  --error-text: #b91c1c;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-md: 0 10px 30px rgba(16, 24, 40, 0.04);
  --radius-xl: 28px;
  --radius-lg: 24px;
  --radius-md: 18px;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--foreground);
  background: var(--background);
}

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

.site {
  min-height: 100vh;
}

.container {
  width: min(100%, 76rem);
  margin: 0 auto;
  padding-inline: var(--page-padding);
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #ffffff 100%);
}

.hero__gradient {
  position: absolute;
  top: -10rem;
  left: 50%;
  width: min(72rem, 100%);
  height: min(28rem, 52vw);
  transform: translateX(-50%);
  background:
    radial-gradient(circle at 18% 30%, rgba(191, 219, 254, 0.9), transparent 34%),
    radial-gradient(circle at 72% 28%, rgba(254, 215, 170, 0.82), transparent 32%),
    radial-gradient(circle at 46% 76%, rgba(216, 180, 254, 0.48), transparent 34%);
  filter: blur(54px);
  opacity: 0.65;
  animation: drift-gradient 20s ease-in-out infinite alternate;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding-top: var(--page-padding);
  padding-bottom: var(--page-padding);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
}

.eyebrow,
.section-label,
.button,
.language-switch__button {
  letter-spacing: -0.01em;
}

.hero__lead,
.feature-card p,
.token-card__hint,
.notice,
.section-label {
  margin: 0;
}

.hero__lead,
.feature-card p,
.token-card__hint,
.section-label {
  color: var(--muted);
}

.language-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-sm);
}

.language-switch__button {
  min-width: 3.75rem;
  padding: 0.625rem 0.875rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background-color 160ms ease,
    color 160ms ease;
}

.language-switch__button[aria-pressed="true"] {
  background: var(--primary);
  color: var(--primary-foreground);
}

.hero__content {
  padding-top: 5.5rem;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 500;
}

h1,
h2 {
  margin: 0;
  color: var(--foreground);
  font-weight: 600;
  letter-spacing: -0.05em;
}

h1 {
  margin-top: 1rem;
  max-width: 44rem;
  font-size: clamp(3.25rem, 7vw, 5.5rem);
  line-height: 0.98;
}

h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.1;
}

.hero__lead {
  width: 100%;
  margin-top: 1.75rem;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.65;
}

.hero__lead p {
  margin: 0;
}

.hero__lead p + p {
  margin-top: 1rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2.25rem;
  max-width: 44rem;
}

.consent-toggle {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.625rem;
  margin-top: 0.9rem;
  max-width: 44rem;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.55;
  cursor: pointer;
}

.consent-toggle__input {
  flex: 0 0 auto;
  width: 1rem;
  height: 1rem;
  margin-top: 0.1875rem;
  accent-color: var(--primary);
}

.consent-toggle__text {
  min-width: 0;
}

.hero__feedback {
  display: grid;
  gap: 0.875rem;
  margin-top: 1.25rem;
  width: 100%;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0 1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 600;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    opacity 160ms ease;
  cursor: pointer;
}

.button:disabled {
  cursor: progress;
  opacity: 0.7;
}

.button--primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.button--secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.86);
  color: var(--foreground);
}

#primary-copy-button {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--primary-foreground);
}

#primary-copy-button:hover,
#primary-copy-button:focus-visible {
  border-color: var(--primary);
  background: #000000;
  color: var(--primary-foreground);
}

.page {
  padding-top: var(--page-padding);
  padding-bottom: var(--page-padding);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.feature-card,
.token-card {
  padding: 2rem;
}

.feature-card {
  min-height: 18rem;
}

.step-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 999px;
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 1rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.feature-card h2 {
  margin-top: 1.5rem;
  font-size: 1.5rem;
}

.feature-card p {
  margin-top: 1rem;
  font-size: 1rem;
  line-height: 1.75;
}

.feature-card__details {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}

.feature-card__details p {
  margin: 0;
}

.feature-card__list {
  display: grid;
  gap: 0.875rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-card__item {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 0.9rem;
  row-gap: 0.45rem;
  padding: 1rem 1rem 1.05rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(248, 248, 249, 0.96)),
    var(--surface-muted);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.feature-card__item:hover {
  transform: translateY(-1px);
  border-color: rgba(24, 24, 27, 0.16);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    0 10px 26px rgba(16, 24, 40, 0.05);
}

.feature-card__item-header {
  display: contents;
}

.feature-card__item-icon {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: center;
  justify-self: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  object-fit: cover;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.feature-card__item-label {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  color: var(--foreground);
  font-weight: 600;
  line-height: 1.5;
}

.feature-card__apps {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature-card__app-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0 0.875rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--foreground);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.feature-card__app-link:hover,
.feature-card__app-link:focus-visible {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

.token-card {
  margin-top: 1.5rem;
}

.token-stack {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.token-stack .token-card {
  margin-top: 0;
}

.section-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.section-head--space {
  justify-content: space-between;
}

.section-label {
  font-size: 0.875rem;
}

.notice {
  padding: 1rem 1.125rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.notice + .notice {
  margin-top: 0.875rem;
}

.notice--success {
  border-color: var(--success-border);
  background: var(--success-bg);
  color: var(--success-text);
}

.notice--error {
  border-color: var(--error-border);
  background: var(--error-bg);
  color: var(--error-text);
}

.token-card__hint {
  margin-top: 1rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.token-card__placeholder {
  margin: 1.5rem 0 0;
  padding: 1rem 1.125rem;
  border: 1px dashed var(--border-strong);
  border-radius: 1.25rem;
  background: linear-gradient(180deg, rgba(248, 248, 249, 0.72), rgba(255, 255, 255, 0.94));
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.token-output {
  overflow-x: auto;
  margin: 1.5rem 0 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: #fafafa;
  color: #18181b;
  font-family:
    "SFMono-Regular",
    "IBM Plex Mono",
    "Menlo",
    monospace;
  font-size: 0.8125rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

.service-token-card .token-output {
  background:
    linear-gradient(180deg, rgba(250, 250, 250, 0.96), rgba(245, 245, 245, 1)),
    #fafafa;
}

.site-footer {
  margin: 1.75rem auto 0;
  width: 100%;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.site-footer p {
  margin: 0;
}

.is-hidden {
  display: none;
}

@keyframes drift-gradient {
  0% {
    transform: translateX(-50%) translateY(0) scale(1);
    opacity: 0.56;
  }

  50% {
    transform: translateX(-48%) translateY(1rem) scale(1.04);
    opacity: 0.68;
  }

  100% {
    transform: translateX(-52%) translateY(-0.5rem) scale(0.98);
    opacity: 0.58;
  }
}

@media (max-width: 960px) {
  .features {
    grid-template-columns: 1fr;
  }

  .hero__content {
    padding-top: 4.5rem;
  }
}

@media (max-width: 720px) {
  .container {
    padding-inline: 1rem;
  }

  .topbar,
  .section-head--space {
    flex-direction: column;
    align-items: stretch;
  }

  .language-switch,
  .button {
    width: 100%;
  }

  .hero__gradient {
    top: -8rem;
    width: 120%;
    height: 21rem;
  }

  .hero__content {
    padding-top: 3.5rem;
  }

  h1 {
    font-size: clamp(2.75rem, 14vw, 4rem);
  }

  .hero__lead {
    font-size: 1.125rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .feature-card,
  .token-card {
    padding: 1.5rem;
  }

  .token-stack {
    gap: 1rem;
  }
}