:root {
  --bg: #F8F3ED;
  --paper: #FFFDFC;
  --brand: #895B37;
  --text: #49372A;
  --muted: #806C5D;
  --line: #E4D7CA;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 15% 15%, rgba(137, 91, 55, .07), transparent 28rem), var(--bg);
  display: grid;
  place-items: center;
  padding: 24px 16px 112px;
}

.card {
  width: min(100%, 520px);
  background: rgba(255, 253, 252, .9);
  border: 1px solid rgba(137, 91, 55, .12);
  border-radius: 28px;
  box-shadow: 0 18px 50px rgba(87, 58, 36, .09);
  padding: 46px 28px 25px;
  text-align: center;
}

.logo {
  width: min(285px, 78%);
  height: auto;
  display: block;
  margin: 0 auto 35px;
}

.label {
  margin: 0 0 18px;
  font-size: .78rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.links {
  display: grid;
  gap: 12px;
}

.btn {
  min-height: 60px;
  border-radius: 17px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 18px;
  text-decoration: none;
  font-weight: 650;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  transition: .18s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 9px 22px rgba(83, 53, 30, .09);
}

.btn-primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(137, 91, 55, .08);
  color: var(--brand);
}

.btn-primary .icon {
  background: rgba(255, 255, 255, .15);
  color: #fff;
}

.copy {
  text-align: left;
  flex: 1;
}

.arrow {
  font-size: 1.15rem;
  opacity: .55;
}

.floating-cta {
  position: fixed;
  z-index: 10;
  left: 50%;
  bottom: max(16px, env(safe-area-inset-bottom));
  width: min(520px, calc(100% - 32px));
  min-height: 72px;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(83, 53, 30, .22);
  transform: translateX(-50%);
}

.floating-cta:hover {
  transform: translate(-50%, -2px);
}

.floating-cta .copy {
  display: grid;
  gap: 3px;
}

.floating-cta small {
  font-size: .78rem;
  font-weight: 450;
  opacity: .85;
}

footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .76rem;
}

svg {
  display: block;
}

@media (max-width: 420px) {
  .card {
    padding: 38px 18px 22px;
    border-radius: 24px;
  }

  .logo {
    width: 78%;
    margin-bottom: 30px;
  }
}

.error-page {
  padding: 24px 16px;
}

.error-card {
  width: min(100%, 680px);
  padding: 48px 40px 28px;
}

.error-card .logo {
  margin-bottom: 42px;
}

.error-code {
  margin: 0;
  color: var(--brand);
  font-size: 9rem;
  font-weight: 700;
  line-height: .9;
}

.error-title {
  margin: 24px 0 10px;
  font-size: 1.8rem;
  line-height: 1.2;
}

.error-message {
  max-width: 430px;
  margin: 0 auto;
  color: var(--muted);
  line-height: 1.65;
}

.error-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 30px;
}

.error-actions .btn {
  justify-content: center;
  min-height: 56px;
  padding: 0 14px;
}

.error-actions .copy {
  flex: initial;
  text-align: center;
}

@media (max-width: 520px) {
  .error-card {
    padding: 38px 20px 24px;
  }

  .error-card .logo {
    margin-bottom: 36px;
  }

  .error-code {
    font-size: 6rem;
  }

  .error-title {
    font-size: 1.5rem;
  }

  .error-actions {
    grid-template-columns: 1fr;
  }
}