:root {
  --white: #ffffff;
  --footer: rgba(28, 88, 134, 0.92);
  --footer-dark: rgba(8, 34, 58, 0.9);
  --whatsapp: #17a673;
  color: var(--white);
  font-family: Tahoma, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(ellipse at center, rgba(31, 104, 153, 0.62) 0%, rgba(8, 39, 67, 0.45) 34%, rgba(0, 0, 0, 0.88) 72%),
    linear-gradient(180deg, #000 0%, #020912 28%, #061b30 52%, #020912 78%, #000 100%);
  background-size: 60px 60px, 60px 60px, auto, auto;
}

.notice-area {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 42px 20px;
}

.notice-card {
  width: min(1280px, 100%);
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 44px 34px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 16px;
  background: rgba(4, 23, 39, 0.58);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.22);
}

.brand-logo {
  width: min(250px, 72vw);
  height: auto;
  margin-bottom: 34px;
}

.notice-message {
  width: 100%;
  display: grid;
  justify-items: center;
  gap: 12px;
  text-align: center;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.42);
  font-size: clamp(1.18rem, 1.55vw, 1.45rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.04em;
}

.notice-message h1,
.notice-message p {
  max-width: 980px;
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.typed-url {
  max-width: min(680px, 100%);
  display: block;
  padding: 8px 18px;
  border-radius: 4px;
  color: #071627;
  background: #f5f7f8;
  text-shadow: none;
  font-size: clamp(1.18rem, 1.65vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.support-footer {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  padding: 42px min(8vw, 150px);
  border-top: 1px solid rgba(255, 255, 255, 0.84);
  background: linear-gradient(90deg, var(--footer-dark), var(--footer));
  text-align: center;
}

.support-footer h2 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 1.35rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.support-footer p {
  margin: 5px 0;
  color: #fff;
  font-size: 1.04rem;
  line-height: 1.35;
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
}

.floating-whatsapp {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 20;
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 10px;
  border: 1px solid rgba(32, 180, 134, 0.55);
  border-radius: 999px;
  color: #fff;
  background: var(--whatsapp);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.32);
  text-decoration: none;
}

.floating-whatsapp span {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: #fff;
}

.floating-whatsapp img {
  width: 19px;
  height: 19px;
  display: block;
}

.floating-whatsapp strong {
  color: #fff;
  font-size: 0.95rem;
  letter-spacing: 0;
}

.floating-whatsapp:hover,
.floating-whatsapp:focus {
  color: #fff;
  background: #118b60;
  text-decoration: none;
}

@media (max-width: 900px) {
  .notice-area {
    min-height: 0;
    padding: 28px 16px;
  }

  .notice-card {
    min-height: 0;
    padding: 34px 22px;
  }

  .support-footer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 30px 24px 92px;
  }
}

@media (max-width: 560px) {
  body {
    background-attachment: scroll;
  }

  .notice-card {
    border-radius: 12px;
  }

  .brand-logo {
    width: min(220px, 78vw);
    margin-bottom: 26px;
  }

  .notice-message {
    font-size: 1.08rem;
    letter-spacing: 0.02em;
  }

  .typed-url {
    width: 100%;
    font-size: 1.1rem;
  }

  .support-footer {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
    max-width: calc(100% - 28px);
  }
}