{% extends "base.html" %}
{% load static %}

{% block title %}{{ sub_product.name }} — {{ main_product.name }}{% endblock %}
{% block meta_description %}{{ sub_product.short_description }}{% endblock %}

{% block content %}

<section class="page-hero" aria-labelledby="sub-product-heading">
  <div class="page-hero-blobs" aria-hidden="true">
    <div class="blob blob--1"></div>
    <div class="blob blob--2"></div>
  </div>
  <div class="container">
    <nav class="breadcrumb" aria-label="Breadcrumb">
      <ol class="breadcrumb-list" role="list">
        <li><a href="{% url 'pages:home' %}">Home</a></li>
        <li aria-hidden="true" class="breadcrumb-sep">›</li>
        <li><a href="{% url 'products:overview' %}">Products</a></li>
        <li aria-hidden="true" class="breadcrumb-sep">›</li>
        <li><a href="{{ main_product.get_absolute_url }}">{{ main_product.name }}</a></li>
        <li aria-hidden="true" class="breadcrumb-sep">›</li>
        <li aria-current="page">{{ sub_product.name }}</li>
      </ol>
    </nav>
    <div class="page-hero-content">
      <div class="section-badge">{{ main_product.name }}</div>
      <h1 class="page-hero-title" id="sub-product-heading">{{ sub_product.name }}</h1>
      <p class="page-hero-subtitle">{{ sub_product.short_description }}</p>
    </div>
  </div>
</section>

<div class="section sub-product-layout">
  <div class="container">
    <div class="sub-product-grid">

      <main class="sub-product-main">
        {% if sub_product.image %}
        <div class="sub-product-image glass-card fade-in">
          <img src="{{ sub_product.image.url }}" alt="{{ sub_product.name }}" loading="lazy" />
        </div>
        {% endif %}

        <div class="sub-product-desc glass-card fade-in">
          <h2>About {{ sub_product.name }}</h2>
          <p>{{ sub_product.description }}</p>
        </div>

        {% if articles %}
        <section aria-labelledby="articles-heading">
          <h2 class="articles-section-title" id="articles-heading">Articles</h2>
          <div class="articles-list">
            {% for article in articles %}
            <article class="article-card glass-card fade-in" aria-labelledby="article-{{ article.pk }}-title">
              <h3 class="article-title" id="article-{{ article.pk }}-title">{{ article.title }}</h3>
              <p class="article-description">{{ article.description }}</p>
              {% if article.sections.all %}
              <div class="article-sections">
                <dl class="article-sections-list">
                  {% for section in article.sections.all %}
                  <div class="article-section-item">
                    <dt class="section-key">{{ section.title }}</dt>
                    <dd class="section-value">{{ section.value }}</dd>
                  </div>
                  {% endfor %}
                </dl>
              </div>
              {% endif %}
            </article>
            {% endfor %}
          </div>
        </section>
        {% endif %}
      </main>

      <aside class="sub-product-sidebar" aria-label="Related modules">
        <div class="sidebar-sticky">
          <div class="sidebar-section glass-card">
            <h3 class="sidebar-title">
              <a href="{{ main_product.get_absolute_url }}">{{ main_product.name }}</a> Modules
            </h3>
            {% if siblings %}
            <ul class="sidebar-list" role="list">
              {% for sibling in siblings %}
              <li>
                <a href="{{ sibling.get_absolute_url }}" class="sidebar-link">
                  <span class="sidebar-dot" aria-hidden="true"></span>
                  {{ sibling.name }}
                </a>
              </li>
              {% endfor %}
            </ul>
            {% else %}
            <p class="sidebar-empty">No other modules in this product.</p>
            {% endif %}
          </div>
          <a href="{{ main_product.get_absolute_url }}" class="btn-ghost sidebar-back-btn">
            <svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true">
              <path d="M10 3L5 8L10 13" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
            </svg>
            Back to {{ main_product.name }}
          </a>
        </div>
      </aside>

    </div>
  </div>
</div>

{% endblock %}