:root {
  --bg-deep: #061b26;
  --bg-mid: #0c2f3f;
  --accent: #2dd4bf;
  --accent-soft: #67e8c9;
  --gold: #e0b872;
  --text: #eaf6f4;
  --text-muted: #9db8bc;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
}

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, rgba(45, 212, 191, 0.12), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(224, 184, 114, 0.08), transparent 45%),
    linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-mid) 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  overflow-x: hidden;
}

.wrap {
  max-width: 720px;
  width: 100%;
}

.logo {
  font-size: 1rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

h1 span {
  color: var(--accent);
}

.subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.countdown .unit {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(45, 212, 191, 0.25);
  border-radius: 14px;
  padding: 1.1rem 1.4rem;
  min-width: 92px;
  backdrop-filter: blur(6px);
}

.countdown .value {
  display: block;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--accent-soft);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.countdown .label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.countdown.expired .value {
  color: var(--gold);
}

.contact {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.contact a {
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(103, 230, 201, 0.35);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.contact a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

footer {
  margin-top: 4rem;
  font-size: 0.75rem;
  color: rgba(157, 184, 188, 0.55);
  letter-spacing: 0.05em;
}

@media (prefers-color-scheme: light) {
  body {
    background:
      radial-gradient(circle at 20% 20%, rgba(45, 212, 191, 0.10), transparent 40%),
      linear-gradient(160deg, #0a2530 0%, #123a4a 100%);
  }
}