---
/**
 * Usage:
 * <PricingSection
 *   heading="Simple, transparent pricing"
 *   subheading="Choose the plan that fits your agency's procurement needs."
 *   tiers={[
 *     {
 *       name: "Starter",
 *       priceMonthly: 299,
 *       features: [
 *         "Up to 5 active solicitations",
 *         "Standard compliance checks",
 *         "Email support"
 *       ],
 *       ctaLabel: "Start free trial",
 *       ctaHref: "/pricing#starter"
 *     },
 *     {
 *       name: "Professional",
 *       priceMonthly: 799,
 *       features: [
 *         "Unlimited solicitations",
 *         "Advanced compliance automation",
 *         "Dedicated account manager",
 *         "API access"
 *       ],
 *       highlighted: true,
 *       ctaLabel: "Start free trial",
 *       ctaHref: "/pricing#professional"
 *     },
 *     {
 *       name: "Enterprise",
 *       priceMonthly: null,
 *       features: [
 *         "Everything in Professional",
 *         "Custom integrations",
 *         "On-premises deployment",
 *         "24/7 priority support",
 *         "SLA guarantees"
 *       ],
 *       ctaLabel: "Contact sales",
 *       ctaHref: "/contact"
 *     }
 *   ]}
 * />
 */

interface Tier {
  name: string;
  priceMonthly: number | null;
  features: string[];
  highlighted?: boolean;
  ctaLabel: string;
  ctaHref: string;
}

interface Props {
  heading: string;
  subheading?: string;
  tiers: Tier[];
}

const {
  heading = "Simple, transparent pricing",
  subheading = "Choose the plan that fits your agency's procurement needs.",
  tiers = [
    {
      name: "Starter",
      priceMonthly: 299,
      features: [
        "Up to 5 active solicitations",
        "Standard compliance checks",
        "Email support"
      ],
      ctaLabel: "Start free trial",
      ctaHref: "/pricing#starter"
    },
    {
      name: "Professional",
      priceMonthly: 799,
      features: [
        "Unlimited solicitations",
        "Advanced compliance automation",
        "Dedicated account manager",
        "API access"
      ],
      highlighted: true,
      ctaLabel: "Start free trial",
      ctaHref: "/pricing#professional"
    },
    {
      name: "Enterprise",
      priceMonthly: null,
      features: [
        "Everything in Professional",
        "Custom integrations",
        "On-premises deployment",
        "24/7 priority support",
        "SLA guarantees"
      ],
      ctaLabel: "Contact sales",
      ctaHref: "/contact"
    }
  ]
} = Astro.props;

const currencyFormatter = new Intl.NumberFormat("en-US", {
  style: "currency",
  currency: "USD",
  minimumFractionDigits: 0,
  maximumFractionDigits: 0
});

function formatPrice(price: number | null): string {
  if (price === null) return "Contact us";
  return currencyFormatter.format(price);
}
---

<section class="pricing" aria-labelledby="pricing-heading">
  <h2 id="pricing-heading" class="pricing__heading">{heading}</h2>

  {subheading && <p class="pricing__subheading">{subheading}</p>}

  <div class="pricing__grid">
    {tiers.map((tier) => (
      <article
        class:list={[
          "pricing__card",
          { "pricing__card--highlighted": tier.highlighted }
        ]}
      >
        {tier.highlighted && (
          <span class="pricing__badge">Most popular</span>
        )}

        <h3 class="pricing__tier-name">{tier.name}</h3>

        <p class="pricing__price">
          {tier.priceMonthly !== null && (
            <span class="pricing__price-amount">{formatPrice(tier.priceMonthly)}</span>
          )}
          {tier.priceMonthly !== null && (
            <span class="pricing__price-period">/month</span>
          )}
          {tier.priceMonthly === null && (
            <span class="pricing__price-amount pricing__price-amount--contact">Contact us</span>
          )}
        </p>

        <ul class="pricing__features">
          {tier.features.map((feature) => (
            <li class="pricing__feature">{feature}</li>
          ))}
        </ul>

        <a
          class="pricing__cta"
          href={tier.ctaHref}
          aria-label={`${tier.ctaLabel} — ${tier.name} plan`}
        >
          {tier.ctaLabel}
        </a>
      </article>
    ))}
  </div>
</section>

<style>
  .pricing {
    max-width: 72rem;
    margin: 0 auto;
    padding: 4rem 1.5rem;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: #1a1a2e;
  }

  .pricing__heading {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin: 0 0 0.75rem;
    line-height: 1.2;
  }

  .pricing__subheading {
    font-size: 1.125rem;
    text-align: center;
    color: #4a4a68;
    margin: 0 auto 3rem;
    max-width: 36rem;
    line-height: 1.6;
  }

  .pricing__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
  }

  @media (min-width: 48rem) {
    .pricing__grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .pricing__card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 0.75rem;
    padding: 2rem 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  }

  .pricing__card--highlighted {
    border: 2px solid #1e40af;
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.12);
  }

  @media (min-width: 48rem) {
    .pricing__card--highlighted {
      transform: scale(1.03);
    }
  }

  .pricing__badge {
    position: absolute;
    top: -0.875rem;
    left: 50%;
    transform: translateX(-50%);
    background: #1e40af;
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.025em;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    white-space: nowrap;
  }

  .pricing__tier-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
  }

  .pricing__price {
    margin: 0 0 1.5rem;
    line-height: 1;
  }

  .pricing__price-amount {
    font-size: 2.25rem;
    font-weight: 700;
    color: #1a1a2e;
  }

  .pricing__price-amount--contact {
    font-size: 1.5rem;
    font-weight: 600;
  }

  .pricing__price-period {
    font-size: 1rem;
    color: #6b7280;
    margin-left: 0.25rem;
  }

  .pricing__features {
    list-style: none;
    margin: 0 0 2rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
  }

  .pricing__feature {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: #374151;
  }

  .pricing__feature::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.375rem;
    width: 0.75rem;
    height: 0.75rem;
    background: #1e40af;
    border-radius: 50%;
    clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
  }

  .pricing__cta {
    display: block;
    text-align: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.5rem;
    border: 2px solid #1e40af;
    color: #1e40af;
    background: transparent;
    transition: background-color 150ms ease, color 150ms ease;
  }

  .pricing__cta:hover {
    background: #1e40af;
    color: #ffffff;
  }

  .pricing__cta:focus-visible {
    outline: 3px solid #1e40af;
    outline-offset: 3px;
  }

  .pricing__card--highlighted .pricing__cta {
    background: #1e40af;
    color: #ffffff;
  }

  .pricing__card--highlighted .pricing__cta:hover {
    background: #1e3a8a;
    border-color: #1e3a8a;
  }

  .pricing__card--highlighted .pricing__cta:focus-visible {
    outline-color: #1e3a8a;
  }
</style>