:root {
  color-scheme: light;
  --ink: #142b3d;
  --muted: #647784;
  --brand: #155879;
  --brand-soft: #e8f2f4;
  --surface: rgba(255, 255, 255, 0.9);
  --line: rgba(21, 88, 121, 0.13);
}

* { box-sizing: border-box; }

html, body { min-height: 100%; margin: 0; }

body {
  background: #f4f8f8;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.post-expo-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  padding: 32px 20px 26px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.45), transparent 44%),
    linear-gradient(180deg, #f8fbfb 0%, #eaf2f3 100%);
}

.post-expo-glow {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.58;
  pointer-events: none;
}

.post-expo-glow-one { background: rgba(145, 205, 193, 0.24); top: -180px; left: -100px; }
.post-expo-glow-two { background: rgba(128, 180, 213, 0.18); right: -160px; bottom: -190px; }

.post-expo-card {
  position: relative;
  z-index: 1;
  width: min(680px, 100%);
  display: grid;
  justify-items: center;
  gap: 18px;
  padding: clamp(34px, 7vw, 72px) clamp(26px, 8vw, 76px);
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(21, 54, 69, 0.14);
  backdrop-filter: blur(10px);
}

.post-expo-brand { display: grid; justify-items: center; gap: 10px; color: var(--brand); font-size: 0.84rem; font-weight: 700; letter-spacing: 0.04em; }
.post-expo-brand img { width: 112px; height: 112px; object-fit: contain; }
.post-expo-divider { width: 56px; height: 3px; border-radius: 99px; background: #8bc9b2; }
.post-expo-eyebrow { margin: 4px 0 0; color: var(--brand); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; }
.post-expo-card h1 { margin: 0; color: var(--ink); font-size: clamp(2.1rem, 6vw, 4rem); line-height: 1.04; letter-spacing: -0.055em; }
.post-expo-message { max-width: 520px; margin: 0; color: var(--muted); font-size: clamp(1rem, 2vw, 1.16rem); line-height: 1.7; }
.post-expo-next { margin: 4px 0 0; color: var(--ink); font-size: 1rem; font-weight: 700; }
.post-expo-footer { position: relative; z-index: 1; display: flex; gap: 9px; align-self: end; color: #71838c; font-size: 0.78rem; }

@media (max-width: 520px) {
  .post-expo-page { padding: 18px 14px; }
  .post-expo-card { border-radius: 24px; }
  .post-expo-footer { font-size: 0.7rem; }
}