---
// "Cómo trabajamos" — Horizontal asymmetric circles with organic SVG connecting line
import SectionEyebrow from './SectionEyebrow.astro';
import type { TranslationKey } from '@/i18n/ui';

interface Props {
  t: (key: TranslationKey) => string;
}
const { t } = Astro.props;

const steps = [
  { num: '01', titleKey: 'process.step1.title' as TranslationKey, bodyKey: 'process.step1.body' as TranslationKey, yPct: 35 },
  { num: '02', titleKey: 'process.step2.title' as TranslationKey, bodyKey: 'process.step2.body' as TranslationKey, yPct: 58 },
  { num: '03', titleKey: 'process.step3.title' as TranslationKey, bodyKey: 'process.step3.body' as TranslationKey, yPct: 28 },
  { num: '04', titleKey: 'process.step4.title' as TranslationKey, bodyKey: 'process.step4.body' as TranslationKey, yPct: 50 },
];
---
<section class="py-24 md:py-32 relative overflow-hidden" style="background: var(--hds-bg-soft);" id="como-trabajamos">
  <div class="absolute inset-0 pointer-events-none" style="background: var(--hds-gradient-section);" aria-hidden="true"></div>

  <!-- Background photo: team working (very subtle, blurred) -->
  <div class="absolute inset-0 pointer-events-none" aria-hidden="true" style="opacity: 0.35;">
    <img
      src="/images/photos/hands-typing-coffee-1200x800.webp"
      alt=""
      class="w-full h-full object-cover"
      loading="lazy"
      decoding="async"
      onerror="this.style.display='none'"
    />
  </div>

  <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
    <div class="max-w-3xl mb-16 md:mb-20 reveal">
      <SectionEyebrow text={t('process.eyebrow')} />
      <h2 class="font-display leading-tight mt-5" style="font-size: clamp(2rem, 5vw, 3.5rem); color: var(--hds-fg);">
        {t('process.title')}
      </h2>
    </div>

    <!-- Desktop: horizontal asymmetric circles -->
    <div class="process-desktop hidden md:block">
      <svg class="process-line-svg" viewBox="0 0 100 100" preserveAspectRatio="none" aria-hidden="true">
        <path
          class="process-line-path"
          d="M 12.5 35 C 22 35, 28 58, 37.5 58 C 47 58, 53 28, 62.5 28 C 72 28, 78 50, 87.5 50"
          fill="none"
          stroke="var(--color-hds-naranja)"
          stroke-width="2"
          stroke-linecap="round"
          vector-effect="non-scaling-stroke"
          stroke-dasharray="200"
          stroke-dashoffset="200"
          opacity="0.5"
        />
      </svg>

      <div class="process-circles-row">
        {steps.map((step, i) => (
          <div class="process-circle-col" style={`top: ${step.yPct}%;`}>
            <div class="process-circle glass-card" data-step-index={i}>
              <span class="font-display process-circle-num">{step.num}</span>
            </div>
            <div class="process-circle-text">
              <h3 class="text-lg font-semibold mb-1.5" style="color: var(--hds-fg);">
                {t(step.titleKey)}
              </h3>
              <p class="text-sm leading-relaxed" style="color: var(--hds-fg-soft);">
                {t(step.bodyKey)}
              </p>
            </div>
          </div>
        ))}
      </div>
    </div>

    <!-- Mobile: vertical layout with connecting line -->
    <div class="process-mobile md:hidden">
      <div class="process-mobile-track" aria-hidden="true">
        <div class="process-mobile-line" id="process-mobile-line"></div>
      </div>
      <div class="process-mobile-steps">
        {steps.map((step, i) => (
          <div class="process-mobile-row" data-step-index={i}>
            <div class="process-circle process-circle-mobile glass-card">
              <span class="font-display process-circle-num">{step.num}</span>
            </div>
            <div class="flex-1">
              <h3 class="text-base font-semibold mb-1" style="color: var(--hds-fg);">
                {t(step.titleKey)}
              </h3>
              <p class="text-sm leading-relaxed" style="color: var(--hds-fg-soft);">
                {t(step.bodyKey)}
              </p>
            </div>
          </div>
        ))}
      </div>
    </div>
  </div>
</section>

<script>
  import gsap from 'gsap';
  import { ScrollTrigger } from 'gsap/ScrollTrigger';

  gsap.registerPlugin(ScrollTrigger);

  const prefersReduced = window.matchMedia('(prefers-reduced-motion: reduce)').matches;

  if (!prefersReduced) {
    // Desktop: draw SVG line on scroll
    const path = document.querySelector<SVGPathElement>('.process-line-path');
    if (path) {
      const pathLength = path.getTotalLength();
      path.style.strokeDasharray = String(pathLength);
      path.style.strokeDashoffset = String(pathLength);

      gsap.to(path, {
        scrollTrigger: {
          trigger: '.process-desktop',
          start: 'top 75%',
          end: 'bottom 60%',
          scrub: 0.8,
        },
        strokeDashoffset: 0,
        ease: 'none',
      });
    }

    // Desktop: scale-in circles with stagger
    gsap.from('.process-circle-col', {
      scrollTrigger: {
        trigger: '.process-desktop',
        start: 'top 70%',
        toggleActions: 'play none none none',
      },
      opacity: 0,
      scale: 0.6,
      duration: 0.6,
      stagger: 0.18,
      ease: 'back.out(1.7)',
      clearProps: 'transform,opacity',
    });

    // Desktop: subtle floating animation on circles
    document.querySelectorAll<HTMLElement>('.process-circle-col').forEach((el, i) => {
      gsap.to(el, {
        y: '+=12',
        duration: 2.5 + i * 0.4,
        repeat: -1,
        yoyo: true,
        ease: 'sine.inOut',
        delay: i * 0.3,
      });
    });

    // Mobile: line fill on scroll
    const mobileLine = document.getElementById('process-mobile-line');
    if (mobileLine) {
      gsap.to(mobileLine, {
        scrollTrigger: {
          trigger: '.process-mobile-steps',
          start: 'top 75%',
          end: 'bottom 60%',
          scrub: 0.8,
        },
        scaleY: 1,
        ease: 'none',
      });
    }

    // Mobile: fade-in rows
    gsap.from('.process-mobile-row', {
      scrollTrigger: {
        trigger: '.process-mobile-steps',
        start: 'top 75%',
        toggleActions: 'play none none none',
      },
      opacity: 0,
      x: -20,
      duration: 0.5,
      stagger: 0.15,
      ease: 'power2.out',
      clearProps: 'transform,opacity',
    });
  }
</script>

<style>
  /* Desktop layout */
  .process-desktop {
    position: relative;
    height: 420px;
  }

  .process-line-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
  }

  .process-circles-row {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    height: 100%;
    z-index: 1;
  }

  .process-circle-col {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 0.75rem;
  }

  .process-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 76px;
    height: 76px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  .process-circle-num {
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--color-hds-naranja);
    line-height: 1;
  }

  .process-circle-text {
    margin-top: 1.25rem;
    text-align: center;
    max-width: 200px;
  }

  /* Mobile layout */
  .process-mobile {
    position: relative;
    padding-left: 2.5rem;
  }

  .process-mobile-track {
    position: absolute;
    left: 37px;
    top: 38px;
    bottom: 38px;
    width: 2px;
    background: var(--hds-line);
    border-radius: 2px;
    overflow: hidden;
  }

  .process-mobile-line {
    width: 100%;
    height: 100%;
    background: var(--color-hds-naranja);
    transform: scaleY(0);
    transform-origin: top;
  }

  .process-mobile-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }

  .process-mobile-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
  }

  .process-circle-mobile {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
  }

  .process-circle-mobile .process-circle-num {
    font-size: 1.2rem;
  }

  @media (prefers-reduced-motion: reduce) {
    .process-line-path {
      stroke-dashoffset: 0 !important;
    }
    .process-mobile-line {
      transform: scaleY(1) !important;
    }
  }
</style>