/* ── utility ── */
* {
  box-sizing: border-box;
}
html {
  color-scheme: light;
}
body {
  margin: 0;
  font-family: montserrat, Arial, sans-serif;
  color: #0a1128;
  background: radial-gradient(ellipse at 80% 0, #dce8f2, transparent 65%), #f2f3f5;
  line-height: 1.75;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
a:focus-visible {
  outline: 2px solid #22d3ee;
  outline-offset: 5px;
}
h1,
h2,
p {
  overflow-wrap: anywhere;
}
.utility-header {
  max-width: 1120px;
  padding: 28px 24px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.utility-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.12em;
  font-size: 17px;
}
.utility-brand img {
  width: 32px;
  height: 32px;
}
.utility-back {
  font-size: 13px;
}
.privacy-page {
  max-width: 920px;
  margin: 20px auto 80px;
  padding: 0 24px;
}
.utility-kicker {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: #397086;
}
.privacy-page h1 {
  font-size: clamp(34px, 6vw, 62px);
  font-weight: 300;
  letter-spacing: -0.055em;
  line-height: 1.12;
  margin: 18px 0 35px;
}
.privacy-card {
  padding: clamp(24px, 5vw, 54px);
  background: #ffffffc2;
  border: 1px solid white;
  border-radius: 24px;
  box-shadow: 0 20px 60px #0a11280a;
}
.privacy-card h2 {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.4;
  margin: 30px 0 12px;
}
.privacy-card h2:first-child {
  margin-top: 0;
}
.privacy-card p,
.privacy-card li {
  font-size: 16px;
}
.privacy-card ul {
  padding-left: 22px;
}
.privacy-card a {
  color: #096b84;
}
.privacy-note {
  background: #e6f3f7;
  border-left: 3px solid #22d3ee;
  padding: 18px 22px;
  border-radius: 0 12px 12px 0;
}
.privacy-version {
  font-size: 13px !important;
  color: #526175;
}
.utility-footer {
  max-width: 1120px;
  margin: auto;
  padding: 24px;
  font-size: 12px;
  color: #526175;
  border-top: 1px solid #0a11281a;
}
.error-page {
  color: #f2f6ff;
  background: radial-gradient(ellipse at 50% 50%, #1b3855, #0a1128 70%);
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}
.error-page .utility-brand img {
  filter: invert(1);
}
.error-main {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 35px 24px 65px;
  text-align: center;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.error-main:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.55;
  background-image: radial-gradient(circle, #fff 1px, transparent 1.6px),
    radial-gradient(circle, #8ce6f5 0.8px, transparent 1.5px);
  background-size:
    83px 97px,
    127px 143px;
  background-position:
    0 0,
    36px 42px;
  mask-image: radial-gradient(ellipse, #000, transparent 75%);
}
.error-number {
  font-size: clamp(90px, 22vw, 210px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.08em;
  color: #d9f5ff;
  margin: 0;
}
.error-main h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.04em;
  margin: 26px 0;
}
.error-main p {
  max-width: 550px;
  margin: 0 auto 30px;
  color: #c6d6e8;
  font-size: 16px;
}
.error-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}
.utility-button {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 8px;
  background: #8ce6f5;
  color: #0a1128;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition:
    transform 0.25s,
    box-shadow 0.25s;
}
.utility-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 26px #22d3ee30;
}
.utility-button.secondary {
  background: #ffffff08;
  color: white;
  border: 1px solid #ffffff40;
}
.error-page .utility-footer {
  color: #b6cadd;
  border-color: #ffffff20;
  width: 100%;
  text-align: center;
}
.utility-header {
  width: min(100%, 1120px);
}
.error-main .error-number {
  font-size: clamp(90px, 22vw, 210px);
  line-height: 1;
  letter-spacing: -0.08em;
  color: #d9f5ff;
  margin: 0 auto;
}
@media (max-width: 520px) {
  .utility-header {
    padding: 22px 20px;
    gap: 15px;
  }
  .utility-back {
    font-size: 11px;
  }
  .utility-brand {
    font-size: 15px;
  }
  .privacy-page {
    padding: 0 18px;
    margin: 12px auto 40px;
  }
  .privacy-card {
    padding: 24px 20px;
    border-radius: 18px;
  }
  .privacy-card p,
  .privacy-card li {
    font-size: 15px;
  }
  .privacy-card h2 {
    font-size: 19px;
  }
  .privacy-note {
    padding: 15px;
  }
  .error-actions {
    flex-direction: column;
    align-items: center;
  }
  .utility-button {
    width: min(100%, 310px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .utility-button {
    transition: none;
  }
}