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

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: "Cairo", sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b, #0f172a);
  color: #f8fafc;
}

.page {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo {
  font-size: 1.25rem;
  font-weight: 900;
  color: #38bdf8;
}

.nav {
  display: flex;
  gap: 20px;
}

.nav a {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 700;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: #38bdf8;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
}

.title {
  font-size: clamp(1.8rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.4;
  background: linear-gradient(90deg, #38bdf8, #a78bfa, #38bdf8);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shine 4s linear infinite;
}

.subtitle {
  margin-top: 16px;
  color: #94a3b8;
  font-size: clamp(0.95rem, 2vw, 1.2rem);
}

.footer {
  padding: 14px 24px;
  text-align: center;
  color: #94a3b8;
  background: rgba(15, 23, 42, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
}

@keyframes shine {
  to {
    background-position: 200% center;
  }
}