@import url('https://fonts.googleapis.com/css2?family=Special+Elite&family=Montserrat:wght@300;500&display=swap');

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

body {
  background: radial-gradient(circle at top, #0b0b0f, #020204);
  color: #e0e0e0;
  font-family: 'Montserrat', sans-serif;
  min-height: 100vh;
}

/* HEADER */
header {
  text-align: center;
  padding: 3rem 1rem;
}

header h1 {
  font-family: 'Special Elite', serif;
  letter-spacing: 3px;
  font-size: 2.4rem;
}

header p {
  opacity: 0.6;
  font-size: 0.9rem;
  letter-spacing: 2px;
}

/* NAV */
nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

nav a {
  color: #b38bff;
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

nav a:hover {
  text-shadow: 0 0 6px rgba(179,139,255,0.6);
}

/* MAIN */
main {
  max-width: 800px;
  margin: auto;
  padding: 1rem;
}

/* CARDS */
.card {
  background: rgba(15,15,25,0.95);
  border: 1px solid rgba(179,139,255,0.15);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 0 25px rgba(0,0,0,0.7);
}

.card h2 {
  font-family: 'Special Elite', serif;
  margin-bottom: 0.5rem;
  color: #b38bff;
}

.date {
  font-size: 0.75rem;
  opacity: 0.6;
  margin-bottom: 1rem;
  letter-spacing: 1px;
}

/* LINKS */
.card a {
  color: #b38bff;
}

.card a:hover {
  text-shadow: 0 0 5px rgba(179,139,255,0.6);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.75rem;
  opacity: 0.4;
  letter-spacing: 2px;
}

/* EFECTO SUTIL */
.card:hover {
  transform: scale(1.01);
  transition: 0.3s ease;
}
<h1 class="glitch" data-text="archivo_no_encontrado">
/* ━━━ STAMPS ━━━ */

.stamps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 3rem auto 2rem;
  opacity: 0.85;
}

.stamps img {
  width: 88px;
  height: 31px;
  image-rendering: pixelated;
  filter: grayscale(20%) contrast(110%);
  transition: transform 0.2s ease, filter 0.2s ease;
}
.floating-stamp {
  position: fixed;
  bottom: 15px;
  right: 15px;
  width: 88px;
  height: 31px;
  opacity: 0.6;
  z-index: 999;
}
.stamps img:hover {
  transform: scale(1.1) rotate(-2deg);
  filter: grayscale(0%) contrast(120%);
}
  archivo_no_encontrado
</h1>