CTASticky CTA

---
interface Props {
  text: string;
  ctaLabel: string;
  ctaHref?: string;
  secondaryLabel?: string;
  secondaryHref?: string;
  dismissible?: boolean;
  showAfter?: number;
  bg?: 'dark' | 'accent' | 'white';
}

const {
  text,
  ctaLabel,
  ctaHref = '#',
  secondaryLabel,
  secondaryHref = '#',
  dismissible = true,
  showAfter = 400,
  bg = 'dark',
} = Astro.props;

const barId = `cts-bar-${Math.random().toString(36).slice(2, 8)}`;
---

<div
  id={barId}
  class={`cts__bar cts__bg-${bg}`}
  role="complementary"
  aria-label="Sticky call to action"
  data-show-after={showAfter}
>
  <div class="cts__inner">
    <p class="cts__text">{text}</p>
    <div class="cts__actions">
      <a class="cts__btn" href={ctaHref}>{ctaLabel}</a>
      {secondaryLabel && (
        <a class="cts__secondary" href={secondaryHref}>{secondaryLabel}</a>
      )}
      {dismissible && (
        <button class="cts__close" type="button" aria-label="Sluiten">
          <svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true">
            <path d="M2 2l12 12M14 2L2 14" stroke="currentColor" stroke-width="2" stroke-linecap="round"/>
          </svg>
        </button>
      )}
    </div>
  </div>
</div>

<script define:vars={{ barId, showAfter, dismissible }}>
  (function () {
    const bar = document.getElementById(barId);
    if (!bar) return;

    let dismissed = false;

    function show() {
      bar.classList.add('cts--visible');
    }

    function hide() {
      bar.classList.remove('cts--visible');
    }

    function onScroll() {
      if (dismissed) return;
      if (window.scrollY > showAfter) {
        show();
      } else {
        hide();
      }
    }

    window.addEventListener('scroll', onScroll, { passive: true });
    onScroll();

    if (dismissible) {
      const closeBtn = bar.querySelector('.cts__close');
      if (closeBtn) {
        closeBtn.addEventListener('click', function () {
          dismissed = true;
          hide();
          window.removeEventListener('scroll', onScroll);
        });
      }
    }
  })();
</script>

<style>
  :root {
    --color-primary: #0a0a0a;
    --color-accent: #6366f1;
    --color-bg: #fff;
    --color-muted: #6b7280;
    --radius: 0.5rem;
  }

  .cts__bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .cts__bar.cts--visible {
    transform: translateY(0);
  }

  /* Background variants */
  .cts__bg-dark {
    background: var(--color-primary);
    color: #fff;
  }

  .cts__bg-accent {
    background: var(--color-accent);
    color: #fff;
  }

  .cts__bg-white {
    background: var(--color-bg);
    color: var(--color-primary);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.08);
  }

  .cts__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
  }

  .cts__text {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 500;
    flex: 1;
    min-width: 160px;
  }

  .cts__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
  }

  .cts__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    background: #fff;
    color: var(--color-primary);
    font-size: 0.9375rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: opacity 0.2s ease;
  }

  .cts__btn:hover {
    opacity: 0.88;
  }

  .cts__bg-white .cts__btn {
    background: var(--color-accent);
    color: #fff;
  }

  .cts__secondary {
    font-size: 0.875rem;
    font-weight: 600;
    color: inherit;
    text-decoration: none;
    opacity: 0.75;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    padding-bottom: 1px;
    white-space: nowrap;
    transition: opacity 0.2s ease;
  }

  .cts__secondary:hover {
    opacity: 1;
  }

  .cts__bg-white .cts__secondary {
    color: var(--color-muted);
    border-color: rgba(0, 0, 0, 0.2);
  }

  .cts__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: none;
    background: transparent;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    flex-shrink: 0;
    border-radius: 4px;
    transition: opacity 0.2s ease;
  }

  .cts__close:hover {
    opacity: 1;
  }

  @media (max-width: 640px) {
    .cts__inner {
      flex-direction: column;
      align-items: flex-start;
      gap: 0.75rem;
    }

    .cts__btn {
      width: 100%;
      justify-content: center;
    }

    .cts__actions {
      width: 100%;
      justify-content: space-between;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    * {
      animation: none !important;
      transition: none !important;
    }
  }
</style>