/*
  Bento 10 — standalone HTML/CSS/JS implementation.
  No build step, no framework, no external dependency: copy these three
  files into any project and open index.html as-is.
*/

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --white: #ffffff;
  --slate-950: #020617;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-400: #94a3b8;
  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji";
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--white);
  background-color: var(--slate-950);
  line-height: 1.5;
}

a {
  text-decoration: none;
  color: inherit;
}

.bento {
  padding: clamp(3rem, 2.5rem + 2vw, 5rem) clamp(1rem, 0.3rem + 3vw, 2rem);
}

.bento__grid {
  width: 100%;
  max-width: 56rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.card {
  border-radius: 1rem;
}

.card--mockup {
  background-color: var(--slate-900);
  padding: 1.25rem;
}

.mockup__label {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.mockup__thread {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.bubble {
  width: 80%;
  border-radius: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
}

.bubble--user {
  margin-left: auto;
  border-top-right-radius: 0.25rem;
  background-color: var(--slate-800);
  color: #cbd5e1;
}

.bubble--ai {
  border-top-left-radius: 0.25rem;
  background-image: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
  color: var(--white);
}

.skeleton-line {
  height: 0.5rem;
  border-radius: 999px;
  background-color: var(--slate-800);
}

.skeleton-line--md {
  width: 66%;
}

.skeleton-line--sm {
  width: 50%;
}

.card--headline {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.03);
  padding: 1.5rem;
}

.card__heading {
  margin: 0;
  font-weight: 600;
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
}

.card__description {
  margin: 0.625rem 0 0;
  max-width: 24rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--slate-400);
}

.button {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background-color 150ms ease;
}

.button:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}

.button--primary {
  margin-top: 1.25rem;
  padding: 0.625rem 1.25rem;
  color: var(--slate-950);
  background-color: var(--white);
}

.button--primary:hover {
  background-color: #e2e8f0;
}

.card--feature {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.03);
  padding: 1.25rem;
}

.card__title {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
}

.card__text {
  margin: 0.375rem 0 0;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--slate-400);
}

@media (min-width: 640px) {
  .bento__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .card--mockup {
    grid-row: span 2;
  }

  .card--headline {
    grid-column: span 2;
  }
}

/* Motion — disabled entirely under reduced motion; every card already
   renders at its final, fully visible state outside this media query
   with no glow pulse. */
@media (prefers-reduced-motion: no-preference) {
  @keyframes al-bento10-panel {
    from {
      opacity: 0;
      transform: scale(0.96);
    }
    to {
      opacity: 1;
      transform: scale(1);
    }
  }

  @keyframes al-bento10-glow {
    0%,
    100% {
      box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.25);
    }
    50% {
      box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.55);
    }
  }

  .reveal {
    animation: al-bento10-panel 600ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .glow {
    animation: al-bento10-glow 3600ms ease-in-out infinite;
  }
}
Bento 10

Requirements

Dependencies

Usage
