.age-modal {
  position: fixed;
  inset: 0;
  display: grid;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(circle at 50% 20%, rgba(201, 31, 54, 0.2), transparent 34%),
    rgba(5, 10, 22, 0.82);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  z-index: 9999;
  transition: opacity 180ms ease, visibility 180ms ease;
}

.age-modal.is-visible {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

body.age-modal-open {
  overflow: hidden;
}

.age-box {
  position: relative;
  overflow: hidden;
  width: min(100%, 460px);
  padding: 34px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 24px;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(13, 30, 72, 0.96), rgba(29, 42, 80, 0.94) 55%, rgba(150, 28, 61, 0.94)),
    #0d1e48;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.34);
  transform: translateY(10px) scale(0.98);
  transition: transform 180ms ease;
}

.age-modal.is-visible .age-box {
  transform: translateY(0) scale(1);
}

.age-box::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 34px 34px;
  content: "";
  opacity: 0.16;
  pointer-events: none;
}

.age-box > * {
  position: relative;
  z-index: 1;
}

.age-logo {
  display: block;
  width: 92px;
  height: auto;
  margin: 0 auto 12px;
  filter: drop-shadow(0 12px 18px rgba(0, 0, 0, 0.22));
}

.age-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.08);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.age-box h2 {
  margin: 0 0 10px;
  color: #fff;
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1;
  letter-spacing: -0.03em;
}

.age-box p {
  margin: 0 auto 22px;
  max-width: 360px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.55;
}

.age-dob-field {
  display: grid;
  gap: 8px;
  margin: 0 auto 14px;
  max-width: 310px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-align: left;
  text-transform: uppercase;
}

.age-dob-field input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  font-size: 15px;
  font-weight: 800;
}

.age-dob-field input:focus {
  outline: 2px solid rgba(255, 255, 255, 0.45);
  outline-offset: 2px;
}

.age-error {
  margin: -4px auto 14px;
  max-width: 310px;
  color: #ffd7dc;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.4;
}

.age-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 22px;
}

.age-points span {
  display: flex;
  min-height: 52px;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.08);
  font-size: 12px;
  font-weight: 800;
  text-align: left;
}

.age-buttons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.age-buttons button {
  width: 100%;
  min-height: 48px;
  padding: 13px 18px;
  border: none;
  cursor: pointer;
  font-weight: 900;
  border-radius: 999px;
  transition: transform 160ms ease, filter 160ms ease, background 160ms ease;
}

.age-buttons button:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

#enterSite {
  background: linear-gradient(135deg, #c91f36, #233f8c);
  color: white;
  box-shadow: 0 14px 32px rgba(201, 31, 54, 0.28);
}

#exitSite {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

@media (max-width: 520px) {
  .age-box {
    padding: 26px 18px;
  }

  .age-logo {
    width: 78px;
  }

  .age-points {
    grid-template-columns: 1fr;
  }
}