/* Portfolio Main Styles */

/* CSS Variables for consistent theming */
:root {
    --primary-color: #1a365d;
    --secondary-color: #3182ce;
    --accent-color: #fbbf24;
    --text-color: #1a202c;
    --text-light: #ffffff;
    --text-muted: #718096;
    --bg-light: #f8f9fa;
    --bg-dark: #1a202c;
    --border-radius: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --max-width: 1200px;
    --content-padding: 2rem;
    --section-spacing: 5rem;
    --heading-line-height: 1.3;
    --body-line-height: 1.7;
    --card-padding: 2rem;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base font size */
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: var(--body-line-height);
    color: var(--text-color);
    background: linear-gradient(-45deg, #1a365d, #2d3748, #2c5282, #2b6cb0);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: var(--heading-line-height);
    margin-bottom: 1.25rem;
    color: var(--text-color);
    letter-spacing: -0.02em;
}

h1 { 
    font-size: 3.5rem; 
    font-weight: 700;
    letter-spacing: -0.03em;
}

h2 { 
    font-size: 2.5rem; 
    position: relative;
}

h3 { 
    font-size: 2rem; 
    margin-bottom: 1.2rem;
}

h4 { 
    font-size: 1.5rem; 
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
    line-height: var(--body-line-height);
    max-width: 70ch; /* Optimal reading length */
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Layout utilities */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--content-padding);
    width: 100%;
}

.section {
    padding: var(--section-spacing) 0;
    position: relative;
}

.section-dark {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

.section-title {
    text-align: center;
    margin-bottom: 3.5rem;
    font-size: 2.5rem;
    font-weight: 700;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    margin: 1.25rem auto 0;
    border-radius: 2px;
}

/* Header and Navigation */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 20"><circle cx="10" cy="10" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="30" cy="5" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="50" cy="15" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="70" cy="8" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="90" cy="12" r="1" fill="%23ffffff" opacity="0.1"/></svg>');
    animation: float 20s ease-in-out infinite;
    z-index: 0;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent-color), #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
    font-size: 1.05rem;
    letter-spacing: 0.01em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    text-decoration: none;
    color: var(--accent-color);
}

/* Mobile menu */
.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero section */
.hero {
    text-align: center;
    padding: 8rem 0;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero h1 {
    font-size: 4.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--text-light), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.subtitle {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.tagline {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.8;
    font-style: italic;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 0.01em;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.primary-btn {
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    color: var(--text-light);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.primary-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.7s;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
    color: var(--text-light);
}

.primary-btn:hover::before {
    left: 100%;
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    text-decoration: none;
    color: var(--text-light);
    border-color: rgba(255, 255, 255, 0.5);
}

/* About section */
#about {
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.95) 0%, rgba(49, 130, 206, 0.90) 100%);
    position: relative;
    overflow: hidden;
    color: var(--text-light);
}

#about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(251, 191, 36, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(49, 130, 206, 0.1) 0%, transparent 50%);
    animation: gradientShift 15s ease-in-out infinite;
    z-index: 1;
}

#about .container {
    position: relative;
    z-index: 2;
}

#about .section-title {
    color: var(--text-light);
}

#about .section-title::after {
    background: var(--accent-color);
}

#about .about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

#about .about-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.highlight-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    margin: 2.5rem 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateZ(0) scale(1);
    transition: all 0.3s ease;
}

.highlight-box:hover {
    transform: translateZ(0) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.highlight-box p {
    margin: 0;
    font-weight: 500;
    color: var(--text-light);
    font-size: 1.1rem;
}

@keyframes gradientShift {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    25% {
        transform: translateX(2%) translateY(-2%);
    }
    50% {
        transform: translateX(-1%) translateY(1%);
    }
    75% {
        transform: translateX(1%) translateY(-1%);
    }
}

/* Expertise section */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3.5rem;
}

.expertise-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.expertise-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

.expertise-icon {
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    transition: transform 0.5s ease;
}

.expertise-card:hover .expertise-icon {
    transform: scale(1.1);
}

.expertise-card h3 {
    color: var(--text-light);
    margin-bottom: 1.8rem;
    font-size: 1.8rem;
    position: relative;
    padding-bottom: 0.8rem;
}

.expertise-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 3px;
}

.expertise-card ul {
    list-style: none;
    text-align: left;
    margin-top: auto;
}

.expertise-card ul li {
    padding: 0.8rem 0;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    padding-left: 1.8rem;
    font-size: 1.05rem;
}

.expertise-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 600;
}

/* Projects section */
.projects-section {
    background: var(--bg-dark);
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.projects-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(49, 130, 206, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(251, 191, 36, 0.1) 0%, transparent 50%);
    animation: gradientShift 15s ease-in-out infinite;
    z-index: 1;
}

.projects-section .container {
    position: relative;
    z-index: 2;
}

.projects-section .section-title {
    color: var(--text-light);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 2rem;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    font-size: 1.1rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transform-style: preserve-3d;
    transform: translateZ(0);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(49, 130, 206, 0.2), transparent);
    transition: left 0.5s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--secondary-color);
    color: var(--text-light);
    transform: translateY(-3px) rotateX(5deg);
    box-shadow: 0 10px 20px rgba(49, 130, 206, 0.2);
    border-color: var(--secondary-color);
}

.filter-btn:hover::before {
    left: 100%;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
    perspective: 2000px;
    perspective: 1000px;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    transform-style: preserve-3d;
    transform: translateZ(0);
    position: relative;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform-style: preserve-3d;
    position: relative;
}

.project-card:hover {
    transform: translateY(-15px) rotateX(5deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

.project-image {
    height: 240px;
    overflow: hidden;
    position: relative;
    transform-origin: top;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    filter: brightness(0.95);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
    filter: brightness(1.05);
}

.project-content {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.05),
        rgba(255, 255, 255, 0.1)
    );
}

.project-type {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.8;
}

.project-content h3 {
    margin-bottom: 1.2rem;
    color: var(--text-light);
    font-size: 1.4rem;
    font-weight: 700;
    position: relative;
}

.project-content h3::after {
    content: '';
    position: absolute;
    bottom: -0.4rem;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

.project-card:hover .project-content h3::after {
    width: 60px;
}

.project-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 1.05rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.project-tech span {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(49, 130, 206, 0.1);
}

.project-tech span:hover {
    background: var(--secondary-color);
    color: var(--text-light);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(49, 130, 206, 0.2);
    border-color: transparent;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    font-weight: 600;
    transition: var(--transition);
    margin-top: auto;
    align-self: flex-start;
    padding: 0.5rem 0;
    position: relative;
}

.project-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.project-link:hover {
    color: var(--text-light);
    text-decoration: none;
}

.project-link:hover::after {
    width: 100%;
}

/* Skills section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3.5rem;
    margin-top: 3.5rem;
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-category h3 {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.8rem;
    position: relative;
    padding-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.skill-category h3::before {
    content: '';
    display: block;
    width: 30px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-item:hover {
    transform: translateX(10px) scale(1.02);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.skill-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: linear-gradient(to bottom, var(--accent-color), var(--secondary-color));
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.skill-item:hover::before {
    transform: scaleY(1);
}

.skill-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 50%;
    color: var(--accent-color);
    font-size: 1.8rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(251, 191, 36, 0.2);
}

.skill-item:hover .skill-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
}

.skill-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.8rem;
}

.skill-info h4 {
    color: var(--text-light);
    font-size: 1.3rem;
    margin: 0;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.skill-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}

.skill-level {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.5rem;
    align-items: center;
}

.skill-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.skill-dot.active {
    background: var(--accent-color);
    box-shadow: 0 0 15px rgba(251, 191, 36, 0.4);
}

.skill-dot.active::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
    opacity: 0.5;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }
    70% {
        transform: scale(1.5);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

/* Contact section - Hintergrund-Fix für bessere Lesbarkeit */
#contact {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: var(--text-color);
    position: relative;
    overflow: hidden;
}

#contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(49, 130, 206, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(251, 191, 36, 0.03) 0%, transparent 50%);
    z-index: 1;
}

#contact .container {
    position: relative;
    z-index: 2;
}

/* Contact section content */
.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 3.5rem;
    line-height: 1.8;
    margin-left: auto;
    margin-right: auto;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3.5rem;
}

/* Contact Method Boxen - mit !important für definitive Anwendung */
.contact-method {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: #ffffff !important;  /* Erzwinge weißen Hintergrund */
    background-color: #ffffff !important;  /* Doppelt für Sicherheit */
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 1px solid #e9ecef !important;
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: #ffffff !important;  /* Bleibt weiß beim Hover */
    background-color: #ffffff !important;
    border-color: var(--secondary-color) !important;
}

.contact-icon {
    font-size: 2.2rem;
    color: var(--secondary-color);
    background: rgba(49, 130, 206, 0.1) !important;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.contact-method:hover .contact-icon {
    background: var(--secondary-color) !important;
    color: white !important;
    transform: scale(1.1);
}

/* Stellt sicher, dass alle Texte lesbar sind */
.contact-details h4 {
    margin-bottom: 0.5rem;
    color: #1a202c !important;  /* Explizit dunkler Text */
    font-size: 1.2rem;
}

.contact-details p {
    margin: 0;
    color: #718096 !important;  /* Explizit dunkelgrauer Text */
    font-size: 1rem;
}

.contact-details a {
    color: var(--secondary-color) !important;  /* Links in Blau */
    text-decoration: none;
}

.contact-details a:hover {
    color: var(--primary-color) !important;
    text-decoration: underline;
}

.contact-note {
    font-style: italic;
    color: var(--text-muted);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* Zusätzliche Sicherheit für alle contact-method Elemente */
#contact .contact-method,
#contact .contact-methods .contact-method,
.contact-methods .contact-method {
    background: #ffffff !important;
    background-color: #ffffff !important;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 2.5rem 0;
    text-align: center;
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

footer p {
    margin: 0;
    font-size: 1.05rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: var(--text-light);
    font-size: 1.5rem;
    transition: var(--transition);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.social-links a:hover {
    color: var(--accent-color);
    text-decoration: none;
    transform: translateY(-3px) scale(1.1);
    background: rgba(255, 255, 255, 0.2);
}

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
}

.fade-in-delay-1 {
    opacity: 0;
    animation: fadeIn 1s ease-out 0.3s forwards;
}

.fade-in-delay-2 {
    opacity: 0;
    animation: fadeIn 1s ease-out 0.6s forwards;
}

.fade-in-delay-3 {
    opacity: 0;
    animation: fadeIn 1s ease-out 0.9s forwards;
}

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

/* Project header styles */
.project-header {
    background: var(--primary-color);
    padding: 1rem 0;
}

.project-header .navbar {
    padding: 1rem 0;
    position: relative;
}

.project-header .logo,
.project-header .nav-link {
    color: var(--text-light);
}

/* Project Detail Page Specific Styles */
.project-detail {
    background: #ffffff;
    color: var(--text-color);
    min-height: calc(100vh - 200px);
}

.project-detail .container {
    background: white;
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.project-detail h1, 
.project-detail h2, 
.project-detail h3,
.project-detail h4 {
    color: var(--primary-color);
}

.project-detail h2 {
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.8rem;
}

.project-detail h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.project-detail h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.project-detail p,
.project-detail li {
    color: #333;
    line-height: 1.8;
}

.project-detail .btn.primary-btn,
.project-info .btn.primary-btn,
.demo-link .btn.primary-btn {
    background: var(--secondary-color);
    color: var(--text-light);
    box-shadow: 0 4px 6px rgba(49, 130, 206, 0.2);
}

.project-detail .btn.primary-btn:hover,
.project-info .btn.primary-btn:hover,
.demo-link .btn.primary-btn:hover {
    background: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(26, 54, 93, 0.3);
}

.project-detail .btn.secondary-btn,
.project-info .btn.secondary-btn,
.demo-link .btn.secondary-btn {
    background: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

.project-detail .btn.secondary-btn:hover,
.project-info .btn.secondary-btn:hover,
.demo-link .btn.secondary-btn:hover {
    background: var(--secondary-color);
    color: var(--text-light);
    transform: translateY(-3px);
    border-color: var(--secondary-color);
}

/* Icon in Buttons sichtbar machen */
.btn i {
    font-size: 1.1em;
}

.demo-link {
    margin-top: 1.5rem;
}

.demo-link .btn {
    /* Stelle sicher, dass die Schrift lesbar ist */
    font-weight: 600;
    text-shadow: none;
}

.project-info .btn {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.project-detail .highlight-box {
    background: rgba(49, 130, 206, 0.08);
    border-left: 4px solid var(--secondary-color);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.project-detail .highlight-box p {
    margin: 0;
    color: var(--primary-color);
    font-weight: 500;
}

.project-detail .code-snippet-preview {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin: 2rem 0;
}

.project-detail .code-header {
    background: var(--primary-color);
    color: white;
    padding: 0.8rem 1.2rem;
    font-weight: 500;
}

.project-detail .code-snippet-preview pre {
    background: #282c34;
    margin: 0;
    padding: 1.5rem;
    overflow-x: auto;
}

.project-detail .code-snippet-preview code {
    color: #abb2bf;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.project-detail .tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.project-detail .tech-tags li {
    background: rgba(49, 130, 206, 0.1);
    color: var(--secondary-color);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid rgba(49, 130, 206, 0.2);
}

.project-detail .feature-list {
    list-style: none;
    padding: 0;
}

.project-detail .feature-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    color: #444;
    line-height: 1.8;
}

.project-detail .feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.project-detail .project-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 3rem 0;
}

.project-detail .project-image-showcase {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.project-detail .project-image-showcase img {
    width: 100%;
    height: auto;
    display: block;
}

.project-detail .project-metadata {
    display: flex;
    gap: 2rem;
    align-items: center;
    color: #666;
    margin: 1rem 0;
    font-size: 0.95rem;
}

/* Für project-metadata Links die auch als Buttons gestylt sind */
.project-metadata .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

.project-detail .project-metadata span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-detail .note-box {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.project-detail .note-box p {
    margin: 0;
    color: #856404;
}

/* Outcome and Challenge Cards */
.project-detail .outcomes-grid,
.project-detail .challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-detail .outcome-card,
.project-detail .challenge-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: var(--border-radius);
    border-top: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.project-detail .outcome-card:hover,
.project-detail .challenge-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.project-detail .outcome-card h3,
.project-detail .challenge-card h3 {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.project-detail .outcome-card h3 i,
.project-detail .challenge-card h3 i {
    color: var(--secondary-color);
}

.project-detail .outcome-card p,
.project-detail .challenge-card p {
    color: #555;
    line-height: 1.7;
}

/* Technical Insights Section */
.project-detail .technical-insights {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    margin-top: 3rem;
    border-left: 4px solid var(--accent-color);
}

.project-detail .technical-insights h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.project-detail .technical-insights ul {
    list-style: disc;
    margin-left: 2rem;
}

.project-detail .technical-insights li {
    margin-bottom: 0.8rem;
    color: #444;
    line-height: 1.8;
}

.project-detail .technical-insights li strong {
    color: var(--primary-color);
    font-weight: 600;
}
/* Back link */
.back-link {
    margin-bottom: 2.5rem;
}

.back-link a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    background: rgba(49, 130, 206, 0.05);
    border: 1px solid rgba(49, 130, 206, 0.1);
}

.back-link a:hover {
    color: var(--primary-color);
    text-decoration: none;
    background: rgba(49, 130, 206, 0.1);
    transform: translateX(-5px);
    box-shadow: 0 2px 10px rgba(49, 130, 206, 0.1);
}

/* Utility classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none; }
.visible { display: block; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }