/* ===================================
   APackAn - Modernes Responsive CSS
   =================================== */

/* Reset und Grundeinstellungen */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Farbschema - Nachhaltigkeit */
    --primary-green: #2d6a4f;
    --primary-light: #40916c;
    --primary-dark: #1b4332;
    --accent: #52b788;
    --light-bg: #d8f3dc;
    --white: #ffffff;
    --text-dark: #212529;
    --text-light: #6c757d;
    --border: #dee2e6;
    --shadow: rgba(0, 0, 0, 0.1);
    
    /* Abstände */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */

header {
    background-color: var(--primary-green);
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo a {
    color: var(--white);
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 1px;
}

/* Hamburger Menu Button */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

/* Hamburger Animation */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Navigation */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
    align-items: center;
}

.main-nav a {
    color: var(--white);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 5px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.main-nav a:hover,
.main-nav a.active {
    background-color: var(--primary-light);
}

/* Sprachumschalter */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin-left: var(--spacing-sm);
    padding-left: var(--spacing-sm);
    border-left: 1px solid var(--primary-light);
}

.lang-switcher a {
    padding: var(--spacing-xs);
    font-size: 0.9rem;
    font-weight: 600;
}

.lang-switcher a.active-lang {
    background-color: var(--primary-light);
    color: var(--white);
}

.lang-separator {
    color: var(--white);
    opacity: 0.5;
}

/* ===================================
   MAIN CONTENT
   =================================== */

main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

.content-box {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: 0 2px 8px var(--shadow);
    margin-bottom: var(--spacing-lg);
}

h1 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    font-size: 2.2rem;
}

h2 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    font-size: 1.8rem;
}

h3 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    font-size: 1.4rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

/* ===================================
   FORMULARE (für deine 70 Fragen)
   =================================== */

form {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: 10px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--primary-dark);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-green);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Buttons */
button,
.btn {
    background-color: var(--primary-green);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

button:hover,
.btn:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

.btn-secondary {
    background-color: var(--text-light);
}

.btn-secondary:hover {
    background-color: #5a6268;
}

/* ===================================
   CARDS (für Produktdarstellung)
   =================================== */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px var(--shadow);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: var(--spacing-md);
}

.card-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-dark);
}

/* ===================================
   FOOTER
   =================================== */

footer {
    background-color: var(--primary-dark);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

footer a {
    color: var(--accent);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.footer-links {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
}

/* ===================================
   RESPONSIVE - MOBILE
   =================================== */

@media screen and (max-width: 768px) {
    /* Hamburger-Menü anzeigen */
    .menu-toggle {
        display: flex;
    }
    
    /* Navigation für Mobile */
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--primary-dark);
        transition: right 0.3s ease;
        padding-top: 80px;
        box-shadow: -2px 0 10px var(--shadow);
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav a {
        display: block;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--primary-green);
    }
    
    /* Sprachumschalter im mobilen Menü */
    .lang-switcher {
        border-left: none;
        border-top: 2px solid var(--primary-green);
        margin-left: 0;
        padding: var(--spacing-md);
        justify-content: center;
    }
    
    /* Content anpassen */
    .content-box {
        padding: var(--spacing-md);
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    /* Cards anpassen */
    .card-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 480px) {
    .logo a {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    main {
        padding: var(--spacing-md) 0;
    }
}

/* ===================================
   UTILITY KLASSEN
   =================================== */

.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.alert {
    padding: var(--spacing-md);
    border-radius: 5px;
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: var(--light-bg);
    border: 1px solid var(--accent);
    color: var(--primary-dark);
}

.alert-error {
    background-color: #f8d7da;
    border: 1px solid #f5c2c7;
    color: #842029;
}

/* ===================================
   HOME PAGE STYLES
   =================================== */

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, rgba(45, 106, 79, 0.05) 0%, rgba(64, 145, 108, 0.05) 100%);
    border: 2px solid var(--border);
    padding: 3rem 2rem;
    text-align: center;
    border-radius: 10px;
    margin-bottom: 3rem;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.hero-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.hero-section p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn-hero {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-hero-primary {
    background: var(--primary-green);
    color: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-hero-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.btn-hero-secondary {
    background: white;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.btn-hero-secondary:hover {
    background: var(--light-bg);
}

.hero-subtitle {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 2rem;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border-left: 4px solid var(--primary-green);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px var(--shadow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    color: var(--primary-green);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* PackAn Reference Section */
.packan-reference {
    background: #f8f9fa;
    border-left: 4px solid #2196f3;
    padding: 2rem;
    border-radius: 8px;
    margin: 3rem 0;
}

.packan-reference h3 {
    color: #2196f3;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.packan-reference p {
    color: #495057;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.packan-reference a {
    color: #2196f3;
    text-decoration: none;
    font-weight: 600;
}

.packan-reference a:hover {
    text-decoration: underline;
}

/* Key Features List */
.key-features {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px var(--shadow);
    margin: 2rem 0;
}

.key-features h2 {
    color: var(--primary-green);
    margin-bottom: 1.5rem;
    text-align: center;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.feature-item::before {
    content: "✓";
    color: var(--primary-green);
    font-weight: bold;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.feature-item span {
    color: var(--text-dark);
    line-height: 1.5;
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.video-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.3s;
}

.video-card:hover {
    transform: translateY(-5px);
}

.video-embed {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-info {
    padding: 1rem;
}

.video-info h4 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.video-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

@media screen and (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p {
        font-size: 1.1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
}