Aufgaben-Python/courses/html_css/13_bem_methodik_und_modularitaet/aufgabe.html

<!DOCTYPE html>
<html lang="de">
<head>
  <link rel="icon" type="image/svg+xml" href="../../../assets/favicon.svg">
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Übung: BEM-Methodik &amp; Modularität</title>
  <style>
    :root {
      --primary: #4f46e5;
      --bg: #0f172a;
      --surface: #1e293b;
      --text: #f8fafc;
      --text-muted: #94a3b8;
      --border: #334155;
      --accent: #8b5cf6;
      --amber: #f59e0b;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: system-ui, -apple-system, sans-serif;
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.6;
      padding: 30px;
    }

    .container {
      max-width: 960px;
      margin: 0 auto;
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
      margin-top: 32px;
      align-items: center;
    }

    /* ==========================================================
 * 🎯 TEILZIEL 1: BEM Block & Elements für .pricing-card
       - Stylinge .pricing-card (Hintergrund, Rahmen, Radius, Padding, Flex-Column)
       - Stylinge .pricing-card__header (display: flex, justify-content: space-between)
       - Stylinge .pricing-card__title (Schriftgröße, Gewicht)
       - Stylinge .pricing-card__price (große Schriftgröße, Akzentfarbe)
       - Stylinge .pricing-card__features (Listenstil entfernen, Abstände)
       ========================================================== */
    .pricing-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 28px;
      display: flex;
      flex-direction: column;
      gap: 20px;
      position: relative;
      transition: all 0.2s ease;
    }

    .pricing-card__header {
      /* TODO 1a: display: flex; justify-content: space-between; align-items: center; */
    }

    .pricing-card__title {
      /* TODO 1b: font-size: 1.25rem; font-weight: 700; */
    }

    .pricing-card__price {
      /* TODO 1c: font-size: 2.2rem; font-weight: 800; color: var(--text); */
    }

    .pricing-card__features {
      /* TODO 1d: list-style: none; display: flex; flex-direction: column; gap: 10px; */
    }

    /* ==========================================================
 * 🎯 TEILZIEL 2: BEM Block-Modifier .pricing-card--popular
       - Hebe die Karte hervor:
         border-color: var(--accent)
         box-shadow: 0 10px 25px -5px rgba(139, 92, 246, 0.3)
         transform: scale(1.03)
       ========================================================== */
    .pricing-card--popular {
      /* TODO 2: Modifier-Regeln hier einfügen */
      /* border-color: ...; */
      /* box-shadow: ...; */
      /* transform: ...; */
    }

    /* ==========================================================
 * 🎯 TEILZIEL 3: BEM Button-Block .btn & Modifiers
       - .btn: Basis-Button (display: inline-block, padding, border-radius, cursor)
       - .btn--primary: background: var(--primary), color: white
       - .btn--outline: background: transparent, border: 1px solid var(--border)
       ========================================================== */
    .btn {
      display: block;
      width: 100%;
      text-align: center;
      padding: 10px 20px;
      border-radius: 6px;
      font-weight: 600;
      text-decoration: none;
      cursor: pointer;
      border: none;
      transition: all 0.2s;
    }

    .btn--primary {
      /* TODO 3a: Hintergrund & Textfarbe für Primary Button */
      /* background: ...; */
      /* color: ...; */
    }

    .btn--outline {
      /* TODO 3b: Outline Button */
      /* background: transparent; */
      /* border: 1px solid var(--border); */
      /* color: var(--text); */
    }

    /* ==========================================================
 * 🎯 TEILZIEL 4: BEM Badge-Element & Modifier
       - .pricing-card__badge: font-size, padding, border-radius
       - .pricing-card__badge--highlight: background: var(--amber), color: black
       ========================================================== */
    .pricing-card__badge {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 9999px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .pricing-card__badge--highlight {
      /* TODO 4: Highlight-Badge Farben */
      /* background: ...; */
      /* color: ...; */
    }
  </style>
</head>
<body>
  <div class="container">
    <header style="text-align: center;">
      <h1 style="font-size: 2.2rem; margin-bottom: 8px;">Wähle deinen Plan</h1>
      <p style="color: var(--text-muted);">Modulare BEM-Komponenten ohne Kaskaden-Konflikte.</p>
    </header>

    <main>
      <div class="pricing-grid">
        <!-- Starter Plan -->
        <article class="pricing-card">
          <div class="pricing-card__header">
            <h3 class="pricing-card__title">Starter</h3>
            <span class="pricing-card__badge" style="background: rgba(255,255,255,0.1); color: var(--text-muted);">Basis</span>
          </div>
          <div class="pricing-card__price">€ 0 <span style="font-size: 1rem; color: var(--text-muted); font-weight: 400;">/ Monat</span></div>
          <ul class="pricing-card__features">
            <li>✓ 1 Projekt</li>
            <li>✓ Community Support</li>
            <li>✓ Standard Analytics</li>
          </ul>
          <div class="pricing-card__footer">
            <a href="#" class="btn btn--outline">Kostenlos starten</a>
          </div>
        </article>

        <!-- Pro Plan (Popular Modifier) -->
        <article class="pricing-card pricing-card--popular">
          <div class="pricing-card__header">
            <h3 class="pricing-card__title">Professional</h3>
            <span class="pricing-card__badge pricing-card__badge--highlight">🔥 Beliebt</span>
          </div>
          <div class="pricing-card__price">€ 29 <span style="font-size: 1rem; color: var(--text-muted); font-weight: 400;">/ Monat</span></div>
          <ul class="pricing-card__features">
            <li>✓ Unbegrenzte Projekte</li>
            <li>✓ Prioritäts-Support</li>
            <li>✓ Erweiterte Metriken &amp; Dark Mode</li>
          </ul>
          <div class="pricing-card__footer">
            <a href="#" class="btn btn--primary">Jetzt upgraden</a>
          </div>
        </article>
      </div>
    </main>
  </div>
</body>
</html>