* {
  box-sizing: border-box;
}

:root {
  --page-bg: rgb(245, 247, 248);
  --page-shell: rgb(245, 247, 248);
  --card: transparent;
  --text: rgb(85, 85, 85);
  --muted: rgb(85, 85, 85);
  --primary: rgb(251, 110, 49);
  --primary-strong: rgb(251, 110, 49);
  --primary-soft: rgba(251, 110, 49, 0.12);
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  background: var(--page-shell);
  color: var(--text);
}

p,
span,
div,
button,
a {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 30px 20px;
  background: var(--page-shell);
}

.maintenance-card {
  width: min(100%, 980px);
  padding: clamp(24px, 3vw, 40px);
  border: 0;
  border-radius: 26px;
  background: var(--card);
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--primary);
  border: 0;
}

.loading-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  color: #fff;
  font-size: 15px;
  line-height: 1;
  animation: hourglass 1.4s ease-in-out infinite;
}

@keyframes hourglass {
  0%, 45% { transform: rotate(0deg); }
  50%, 95% { transform: rotate(180deg); }
  100% { transform: rotate(360deg); }
}

.site-title {
  margin: 14px 0 8px;
  font-size: clamp(2.1rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--primary-strong);
  line-height: 1.05;
}

.info-list {
  margin: 0 0 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.info-value {
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  line-height: 1.5;
  font-weight: 500;
  color: var(--text);
}

.hero {
  margin-top: 12px;
}

.content-pane {
  display: block;
}

.lead {
  margin: 0;
  max-width: 100%;
  font-size: clamp(1.05rem, 2vw, 1.6rem);
  line-height: 1.7;
  color: var(--text);
}

.lead strong {
  font-weight: 800;
  color: var(--text);
}

.message {
  margin: 18px 0 0;
  max-width: 100%;
  font-size: clamp(1.05rem, 2vw, 1.55rem);
  line-height: 1.7;
  color: var(--muted);
}

.countdown {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 32px;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 84px;
  padding: 16px 12px;
  background: transparent;
  border: 0;
}

.countdown-value {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  color: rgb(85, 85, 85);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.countdown-label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.countdown-note {
  margin: 8px 0 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.launch-date {
  margin: 6px 0 0;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: rgb(85, 85, 85);
}

.contact-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 28px;
}

.contact-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 62px;
  padding: 0 24px;
  border-radius: 18px;
  border: 1px solid transparent;
  font-size: 1.1rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.contact-button:hover {
  transform: translateY(-1px);
}

.button-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
}

.button-icon svg,
.button-icon img {
  width: 100%;
  height: 100%;
  display: block;
}

.contact-button.call {
  background: rgb(251, 110, 49);
  color: #fff;
}

.contact-button.zalo {
  background: rgb(45, 110, 239);
  color: #fff;
}

.bottom-note {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px dashed rgba(148, 163, 184, 0.25);
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.bottom-note p {
  margin: 0;
}

.bottom-note p + p {
  margin-top: 10px;
}

@media (max-width: 860px) {
  .contact-grid {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-button {
    width: 100%;
  }
}

@media (max-width: 540px) {
  .page-shell {
    padding: 14px;
  }

  .maintenance-card {
    padding: 22px;
    border-radius: 22px;
  }

  .contact-button {
    width: 100%;
  }

  .countdown-item {
    min-width: 68px;
    padding: 12px 8px;
  }
}
