423 lines
12 KiB
HTML
423 lines
12 KiB
HTML
<!DOCTYPE html>
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<html lang="de">
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<head>
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<link rel="icon" type="image/svg+xml" href="../../../assets/favicon.svg">
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Musterlösung: Responsive SaaS Landingpage Master</title>
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<style>
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/* 🎯 TEILZIEL 1: Design-Tokens & Themes */
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:root {
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--bg-body: #f8fafc;
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--bg-surface: #ffffff;
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--text-main: #0f172a;
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--text-muted: #64748b;
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--border-color: #e2e8f0;
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--primary: #4f46e5;
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--primary-hover: #4338ca;
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--accent: #8b5cf6;
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}
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[data-theme="dark"] {
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--bg-body: #090d16;
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--bg-surface: #131b2e;
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--text-main: #f8fafc;
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--text-muted: #94a3b8;
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--border-color: #1e293b;
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--primary: #6366f1;
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--primary-hover: #4f46e5;
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--accent: #a855f7;
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}
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* {
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box-sizing: border-box;
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margin: 0;
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padding: 0;
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}
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body {
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font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
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background-color: var(--bg-body);
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color: var(--text-main);
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line-height: 1.6;
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transition: background-color 0.3s ease, color 0.3s ease;
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}
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.container {
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max-width: 1140px;
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margin: 0 auto;
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padding: 0 20px;
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}
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/* 🎯 TEILZIEL 2: Sticky Flexbox Navbar */
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.navbar-wrapper {
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position: sticky;
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top: 0;
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z-index: 100;
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background: var(--bg-body);
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border-bottom: 1px solid var(--border-color);
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transition: all 0.3s ease;
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}
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.navbar {
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: 16px 0;
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}
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.nav-brand {
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font-size: 1.3rem;
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font-weight: 800;
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color: var(--primary);
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text-decoration: none;
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display: flex;
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align-items: center;
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gap: 8px;
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}
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.nav-menu {
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display: flex;
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list-style: none;
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gap: 24px;
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align-items: center;
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}
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.nav-menu a {
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color: var(--text-muted);
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text-decoration: none;
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font-weight: 500;
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font-size: 0.95rem;
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transition: color 0.2s;
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}
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.nav-menu a:hover {
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color: var(--primary);
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}
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.nav-actions {
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display: flex;
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align-items: center;
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gap: 12px;
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}
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.btn {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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padding: 10px 20px;
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border-radius: 8px;
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font-weight: 600;
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font-size: 0.95rem;
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cursor: pointer;
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text-decoration: none;
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transition: all 0.2s ease;
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border: none;
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}
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.btn--primary {
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background: var(--primary);
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color: white;
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}
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.btn--primary:hover {
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background: var(--primary-hover);
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transform: translateY(-2px);
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}
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.btn--outline {
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background: transparent;
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border: 1px solid var(--border-color);
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color: var(--text-main);
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}
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.btn--outline:hover {
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background: var(--bg-surface);
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}
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/* 🎯 TEILZIEL 3: Hero Section & Glassmorphism Floating Card */
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.hero-section {
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padding: 80px 0 60px;
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display: grid;
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grid-template-columns: 1fr;
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gap: 40px;
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align-items: center;
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}
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.hero-title {
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font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
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font-weight: 800;
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line-height: 1.15;
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margin-bottom: 20px;
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letter-spacing: -1px;
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}
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.hero-subtitle {
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font-size: 1.15rem;
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color: var(--text-muted);
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margin-bottom: 32px;
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max-width: 540px;
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}
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.hero-cta {
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display: flex;
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gap: 16px;
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flex-wrap: wrap;
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}
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@keyframes float {
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0%, 100% { transform: translateY(0); }
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50% { transform: translateY(-12px); }
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}
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.glass-card {
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background: rgba(255, 255, 255, 0.08);
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backdrop-filter: blur(16px);
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-webkit-backdrop-filter: blur(16px);
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border: 1px solid rgba(255, 255, 255, 0.15);
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border-radius: 16px;
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padding: 30px;
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box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.25);
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animation: float 5s infinite ease-in-out;
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}
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/* 🎯 TEILZIEL 4: Responsive Feature Grid Matrix */
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.features-section {
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padding: 60px 0;
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}
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.features-grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
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gap: 24px;
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}
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.feature-card {
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background: var(--bg-surface);
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border: 1px solid var(--border-color);
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border-radius: 12px;
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padding: 28px;
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transition: transform 0.3s ease, border-color 0.3s ease;
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}
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.feature-card:hover {
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transform: translateY(-6px);
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border-color: var(--primary);
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}
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.feature-icon {
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width: 48px;
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height: 48px;
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background: rgba(79, 70, 229, 0.12);
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border-radius: 10px;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 1.5rem;
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margin-bottom: 16px;
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color: var(--primary);
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}
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/* 🎯 TEILZIEL 5: BEM Pricing Matrix */
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.pricing-section {
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padding: 60px 0;
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}
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.pricing-grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
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gap: 24px;
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align-items: center;
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}
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.pricing-card {
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background: var(--bg-surface);
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border: 1px solid var(--border-color);
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border-radius: 14px;
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padding: 32px;
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display: flex;
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flex-direction: column;
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gap: 20px;
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transition: all 0.2s ease;
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}
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.pricing-card--popular {
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border-color: var(--accent);
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transform: scale(1.03);
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box-shadow: 0 15px 30px -10px rgba(139, 92, 246, 0.3);
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}
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.pricing-card__header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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}
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.pricing-card__title {
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font-size: 1.3rem;
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font-weight: 700;
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}
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.pricing-card__price {
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font-size: 2.5rem;
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font-weight: 800;
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}
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.pricing-card__features {
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list-style: none;
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display: flex;
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flex-direction: column;
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gap: 12px;
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color: var(--text-muted);
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}
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/* 🎯 TEILZIEL 6: Responsive Media Queries (Mobile-First) */
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@media (min-width: 768px) {
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.hero-section {
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grid-template-columns: 1.2fr 0.8fr;
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}
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}
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.footer-main {
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border-top: 1px solid var(--border-color);
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padding: 40px 0;
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margin-top: 60px;
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display: flex;
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justify-content: space-between;
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align-items: center;
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flex-wrap: wrap;
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gap: 20px;
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color: var(--text-muted);
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font-size: 0.9rem;
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}
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</style>
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</head>
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<body>
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<!-- Sticky Header -->
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<div class="navbar-wrapper">
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<div class="container">
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<nav class="navbar">
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<a href="#" class="nav-brand">⚡ NexusSaaS</a>
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<ul class="nav-menu">
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<li><a href="#features">Features</a></li>
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<li><a href="#pricing">Preise</a></li>
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<li><a href="#about">Über uns</a></li>
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</ul>
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<div class="nav-actions">
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<button id="theme-toggle" class="btn btn--outline" style="padding: 8px 12px;">🌓 Theme</button>
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<a href="#signup" class="btn btn--primary">Jetzt starten</a>
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</div>
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</nav>
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</div>
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</div>
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<!-- Hero Section -->
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<header class="container">
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<section class="hero-section">
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<div>
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<h1 class="hero-title">Die All-in-One Plattform für Modern Web Apps</h1>
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<p class="hero-subtitle">
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Entwickle, teste und deploye responsive Benutzeroberflächen in Rekordzeit. Mit nativer CSS-Power und 0 kB JavaScript-Overhead.
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</p>
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<div class="hero-cta">
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<a href="#start" class="btn btn--primary">Kostenlos testen →</a>
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<a href="#demo" class="btn btn--outline">Live Demo ansehen</a>
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</div>
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</div>
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<div class="glass-card">
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<div style="font-size: 0.8rem; font-weight: 700; color: var(--accent); margin-bottom: 8px;">LIVE METRICS</div>
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<h3 style="font-size: 1.2rem; margin-bottom: 12px;">System Performance</h3>
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<p style="font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px;">
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100% Lighthouse Score • Sub-10ms Renderzeit
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</p>
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<div style="display: flex; gap: 8px;">
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<span style="background: rgba(16, 185, 129, 0.2); color: #10b981; padding: 4px 8px; border-radius: 4px; font-size: 0.8rem; font-weight: 700;">Online</span>
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<span style="background: rgba(99, 102, 241, 0.2); color: #6366f1; padding: 4px 8px; border-radius: 4px; font-size: 0.8rem; font-weight: 700;">v2.4.0</span>
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</div>
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</div>
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</section>
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</header>
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<main class="container">
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<!-- Features Grid -->
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<section id="features" class="features-section">
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<h2 style="font-size: 1.8rem; text-align: center; margin-bottom: 40px;">Warum Entwickler NexusSaaS lieben</h2>
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<div class="features-grid">
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<article class="feature-card">
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<div class="feature-icon">⚡</div>
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<h3 style="margin-bottom: 8px;">Ultra Schnelle Ladezeiten</h3>
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<p style="color: var(--text-muted); font-size: 0.95rem;">Moderne CSS-Grid und Flexbox-Technologien ohne Kaskaden-Overhead.</p>
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</article>
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<article class="feature-card">
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<div class="feature-icon">🌓</div>
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<h3 style="margin-bottom: 8px;">Natives Theme-System</h3>
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<p style="color: var(--text-muted); font-size: 0.95rem;">Dark Mode direkt mit CSS Custom Properties und System-Sync.</p>
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</article>
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<article class="feature-card">
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<div class="feature-icon">📱</div>
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<h3 style="margin-bottom: 8px;">100% Mobile First</h3>
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<p style="color: var(--text-muted); font-size: 0.95rem;">Stufenlose clamp()-Typografie und dynamische Viewport-Anpassung.</p>
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</article>
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</div>
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</section>
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<!-- Pricing Section -->
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<section id="pricing" class="pricing-section">
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<h2 style="font-size: 1.8rem; text-align: center; margin-bottom: 40px;">Transparente Preise für jedes Team</h2>
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<div class="pricing-grid">
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<article class="pricing-card">
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<div class="pricing-card__header">
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<h3 class="pricing-card__title">Starter</h3>
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<span style="font-size: 0.75rem; background: rgba(255,255,255,0.1); padding: 4px 8px; border-radius: 9999px;">Basis</span>
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</div>
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<div class="pricing-card__price">€ 0 <span style="font-size: 1rem; color: var(--text-muted); font-weight: 400;">/ Mon</span></div>
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<ul class="pricing-card__features">
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<li>✓ Bis zu 3 Projekte</li>
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<li>✓ Community Support</li>
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<li>✓ Standard Analytics</li>
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</ul>
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<a href="#" class="btn btn--outline" style="margin-top: 10px;">Loslegen</a>
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</article>
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<article class="pricing-card pricing-card--popular">
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<div class="pricing-card__header">
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<h3 class="pricing-card__title">Enterprise Pro</h3>
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<span style="font-size: 0.75rem; background: var(--accent); color: white; padding: 4px 8px; border-radius: 9999px; font-weight: 700;">🔥 Bestseller</span>
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</div>
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<div class="pricing-card__price">€ 49 <span style="font-size: 1rem; color: var(--text-muted); font-weight: 400;">/ Mon</span></div>
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<ul class="pricing-card__features">
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<li>✓ Unbegrenzte Projekte</li>
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<li>✓ 24/7 VIP Support</li>
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<li>✓ Custom Domains & Dark Mode</li>
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<li>✓ 99.99% SLA Garantie</li>
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</ul>
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<a href="#" class="btn btn--primary" style="margin-top: 10px;">Jetzt starten</a>
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</article>
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</div>
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</section>
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</main>
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<!-- Footer -->
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<footer class="container footer-main">
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<div>© 2026 NexusSaaS Inc. Alle Rechte vorbehalten.</div>
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<div style="display: flex; gap: 16px;">
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<a href="#" style="color: var(--text-muted); text-decoration: none;">Datenschutz</a>
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<a href="#" style="color: var(--text-muted); text-decoration: none;">Impressum</a>
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<a href="#" style="color: var(--text-muted); text-decoration: none;">Barrierefreiheit</a>
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</div>
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</footer>
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<script>
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const toggleBtn = document.getElementById("theme-toggle");
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if (toggleBtn) {
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toggleBtn.addEventListener("click", () => {
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const isDark = document.documentElement.getAttribute("data-theme") === "dark";
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document.documentElement.setAttribute("data-theme", isDark ? "light" : "dark");
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});
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}
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</script>
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</body>
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</html>
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