/* ===========================
   CSS Reset & Base Styles
   =========================== */

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

:root {
    /* Farbpalette */
    --primary-color: #2E5C8A;
    --secondary-color: #4A90C2;
    --accent-color: #1E3A5F;
    --dark-color: #1A1A1A;
    --light-color: #F5F7FA;
    --white: #FFFFFF;
    --text-color: #2D3748;
    --text-light: #6B7280;
    --border-color: #E2E8F0;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ===========================
   Container & Layout
   =========================== */

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

section {
    padding: var(--spacing-xxl) 0;
}

/* ===========================
   Typography
   =========================== */

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: var(--font-weight-bold);
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
    line-height: 1.2;
}

.section-intro {
    font-size: 1.125rem;
    color: var(--text-light);
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    box-shadow: 0 4px 16px rgba(46, 92, 138, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(46, 92, 138, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* ===========================
   Hero Section
   =========================== */

.hero {
    background: linear-gradient(135deg, #EDF2F7 0%, #FFFFFF 100%);
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    display: block;
    font-size: 1.125rem;
    font-weight: var(--font-weight-medium);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: var(--font-weight-bold);
    color: var(--dark-color);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.hero-image {
    position: relative;
    animation: fadeInRight 1s ease;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===========================
   Learning Content Section
   =========================== */

.learning-content {
    background-color: var(--white);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.content-card {
    background-color: var(--light-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.content-card h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
}

.content-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.no-experience {
    background: linear-gradient(135deg, #E6F2FF 0%, #D1E7FF 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    border-left: 4px solid var(--secondary-color);
}

.no-experience p {
    font-size: 1.125rem;
    color: var(--dark-color);
}

/* ===========================
   Instructor Section
   =========================== */

.instructor {
    background-color: var(--light-color);
}

.instructor-layout {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.instructor-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.instructor-name {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.instructor-content p {
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
    line-height: 1.8;
}

.instructor-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.highlight {
    background-color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

/* ===========================
   Materials Section
   =========================== */

.materials {
    background-color: var(--white);
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.materials-column {
    background-color: var(--light-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
}

.materials-heading {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.materials-icon {
    font-size: 2rem;
}

.materials-list {
    list-style: none;
    padding: 0;
}

.materials-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    color: var(--text-color);
}

.materials-list li:last-child {
    border-bottom: none;
}

.materials-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
}

.materials-note {
    background-color: #E6F2FF;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
    border-left: 4px solid var(--primary-color);
}

.materials-note p {
    color: var(--dark-color);
}

/* ===========================
   Location & Gallery Section
   =========================== */

.location-gallery {
    background-color: var(--light-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.gallery-large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item {
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.location-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.location-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.location-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

.location-card p {
    color: var(--text-color);
    line-height: 1.8;
}

/* ===========================
   Reviews Section
   =========================== */

.reviews {
    background-color: var(--white);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.review-card {
    background-color: var(--light-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.review-text {
    color: var(--text-color);
    line-height: 1.7;
}

.review-author {
    margin-top: auto;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-color);
}

.review-rating {
    color: #f59e0b;
    font-size: 1.125rem;
    letter-spacing: 1px;
}

/* ===========================
   CTA & Registration Section
   =========================== */

.cta-section {
    background: linear-gradient(135deg, #EDF2F7 0%, #E2E8F0 100%);
}

.cta-actions {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.registration-form {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.registration-form h3 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.registration-form > p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.form-container {
    margin: var(--spacing-lg) 0;
    min-height: 600px;
}

.form-note {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--text-light);
}

/* ===========================
   Footer
   =========================== */

.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-column h4 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.footer-column p {
    color: #CCCCCC;
    line-height: 1.8;
}

.footer-column a {
    color: #CCCCCC;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999999;
}
.pinnwand {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}
/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-image {
        order: -1;
    }
    
    .instructor-layout {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-large {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-xxl: 4rem;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .btn {
        padding: 0.875rem 2rem;
        font-size: 1rem;
        width: 100%;
        max-width: 400px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .materials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-large {
        grid-column: span 1;
    }
    
    .location-info {
        grid-template-columns: 1fr;
    }
    
    .instructor-image img {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .registration-form {
        padding: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* ===========================
   Accessibility
   =========================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
a:focus,
button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===========================
   Print Styles
   =========================== */

@media print {
    .footer,
    .cta-section {
        display: none;
    }
}