/*
  Features 24 — 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-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-600: #475569;
  --slate-900: #0f172a;
  --blue-600: #2563eb;
  --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(--slate-900);
  background-color: var(--slate-50);
  line-height: 1.5;
}

.features {
  padding: clamp(4rem, 3.5rem + 2vw, 6rem) clamp(1rem, 0.3rem + 3vw, 2rem);
}

.features__inner {
  width: 100%;
  max-width: 48rem;
  margin: 0 auto;
}

.intro {
  max-width: 34rem;
  margin: 0 auto;
  text-align: center;
}

.kicker {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--blue-600);
}

.heading {
  margin: 0.75rem 0 0;
  font-weight: 600;
  font-size: clamp(1.875rem, 1.5rem + 1.9vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.carousel {
  margin-top: 2.5rem;
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid var(--slate-200);
  background-color: var(--white);
}

.carousel__viewport {
  overflow: hidden;
}

.track {
  display: flex;
  transition: transform 500ms cubic-bezier(0.65, 0, 0.35, 1);
}

.slide {
  width: 100%;
  flex-shrink: 0;
  padding: 1.5rem;
}

.mockup {
  overflow: hidden;
  border-radius: 0.75rem;
  border: 1px solid var(--slate-200);
}

.mockup__chrome {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  border-bottom: 1px solid var(--slate-100);
  background-color: var(--slate-50);
  padding: 0.5rem 0.75rem;
}

.dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 999px;
}

.dot--rose {
  background-color: #fda4af;
}

.dot--amber {
  background-color: #fcd34d;
}

.dot--emerald {
  background-color: #6ee7b7;
}

.mockup__body {
  height: 10rem;
}

.mockup__body--blue {
  background-image: linear-gradient(to bottom right, #3b82f6, #93c5fd);
}

.mockup__body--violet {
  background-image: linear-gradient(to bottom right, #8b5cf6, #c4b5fd);
}

.mockup__body--emerald {
  background-image: linear-gradient(to bottom right, #10b981, #6ee7b7);
}

.slide__title {
  margin: 1rem 0 0;
  font-size: 1rem;
  font-weight: 600;
}

.slide__text {
  margin: 0.375rem 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--slate-600);
}

.tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding-bottom: 1.5rem;
}

.tab-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  border: none;
  background-color: var(--slate-300);
  cursor: pointer;
  padding: 0;
  transition: background-color 200ms ease;
}

.tab-dot:hover {
  background-color: var(--slate-400);
}

.tab-dot[aria-selected="true"] {
  background-color: var(--blue-600);
}

.tab-dot:focus-visible {
  outline: 2px solid var(--blue-600);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  .mockup__body {
    height: 13rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .track {
    transition-duration: 1ms;
  }
}

/* Motion — the track's slide transition keeps working under reduced
   motion at a near-instant duration (a carousel's slide change is
   functional state, not decorative motion); the panel's one-shot
   entrance below is fully gated. */
@media (prefers-reduced-motion: no-preference) {
  @keyframes al-features24-panel {
    from {
      opacity: 0;
      transform: translateY(14px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .carousel {
    animation: al-features24-panel 650ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }
}
Features 24

Requirements

Dependencies

Usage
