/* ==========================================================================
   degewo CI-konforme Initiativbewerbung für Dritan Mulla
   Design: Ruhige Flächen, klare Typografie, dezente Grüntöne, viel Weißraum
   ========================================================================== */

/* CSS Variables - degewo CI Farben */
:root {
    /* degewo Grüntöne (dezent, nicht offizielles Logo-Grün) */
    --color-primary: #5A8F7B;
    --color-primary-light: #7BA799;
    --color-primary-dark: #3D6B5A;
    
    /* Neutrale Farben */
    --color-background-light: #FAFAFA;
    --color-background-dark: #2C3E3A;
    --color-white: #FFFFFF;
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #666666;
    --color-text-light: #999999;
    
    /* Akzentfarben */
    --color-accent: #E8F3EF;
    --color-border: #220404;
    
    /* Typografie */
    --font-primary: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Container */
    --container-max-width: 1200px;
    
    /* Transitions */
    --transition-base: all 0.3s ease;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition-base);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.nav-logo {
    height: 100px; /* kleinere Logo-Größe */
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-text-primary);
    font-weight: 400;
    font-size: 1rem;
    transition: var(--transition-base);
    position: relative;
}

.nav-menu a:hover {
    color: var(--color-primary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    border-radius: 4px;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text-primary);
    margin: 3px 0;
    transition: var(--transition-base);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-accent) 100%);
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 2;
    padding: var(--spacing-lg) 0;
}

.hero-headline {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

.hero-subline {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
    line-height: 1.6;
}

.hero-accent {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40%;
    height: 60%;
    background: linear-gradient(135deg, transparent 0%, var(--color-primary-light) 100%);
    opacity: 0.1;
    border-radius: 100% 0 0 0;
    z-index: 1;
}

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

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    letter-spacing: 0.3px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(90, 143, 123, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(90, 143, 123, 0.4);
}

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

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

/* ==========================================================================
   Section Styles
   ========================================================================== */

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

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

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

.section-dark .section-title,
.section-dark .section-subtitle,
.section-dark h3,
.section-dark h4 {
    color: var(--color-white);
}

.section-dark p,
.section-dark li {
    color: rgba(255, 255, 255, 0.85);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    font-weight: 300;
    line-height: 1.6;
}

/* ==========================================================================
   Timeline (Lebenslauf)
   ========================================================================== */

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

.timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.timeline-item {
    position: relative;
    padding-left: 100px;
    padding-bottom: var(--spacing-lg);
}

.timeline-marker {
    position: absolute;
    left: 30px;
    top: 8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--color-primary);
    border: 4px solid var(--color-white);
    box-shadow: 0 0 0 4px var(--color-accent);
}

.timeline-period {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    background-color: var(--color-accent);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.timeline-company {
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.timeline-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.career-summary {
    background-color: var(--color-accent);
    padding: var(--spacing-lg);
    border-radius: 12px;
    margin-top: var(--spacing-md);
    border-left: 4px solid var(--color-primary);
}

.career-summary h3 {
    font-size: 1.75rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.career-summary p {
    font-size: 1.1rem;
    color: var(--color-text-primary);
    line-height: 1.7;
}

/* ==========================================================================
   Projects Grid
   ========================================================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.project-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--color-primary);
}

.project-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.project-description {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
}

.project-relevance {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.project-relevance strong {
    display: block;
    color: var(--color-primary-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-relevance p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   PESTEL Grid
   ========================================================================== */

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

.pestel-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.pestel-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.pestel-card:hover::before {
    transform: scaleY(1);
}

.pestel-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pestel-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.pestel-icon.political { background: linear-gradient(135deg, #5A8F7B 0%, #7BA799 100%); }
.pestel-icon.economic { background: linear-gradient(135deg, #4A7A6B 0%, #5A8F7B 100%); }
.pestel-icon.social { background: linear-gradient(135deg, #3D6B5A 0%, #4A7A6B 100%); }
.pestel-icon.technological { background: linear-gradient(135deg, #5A8F7B 0%, #6B9F8C 100%); }
.pestel-icon.environmental { background: linear-gradient(135deg, #4A7A6B 0%, #5A8F7B 100%); }
.pestel-icon.legal { background: linear-gradient(135deg, #3D6B5A 0%, #5A8F7B 100%); }

.pestel-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.pestel-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.pestel-description strong {
    color: var(--color-text-primary);
    display: block;
    margin-bottom: 0.5rem;
}

.pestel-conclusion {
    background-color: var(--color-accent);
    padding: var(--spacing-lg);
    border-radius: 12px;
    margin-top: var(--spacing-lg);
    border-left: 4px solid var(--color-primary);
}

.pestel-conclusion h3 {
    font-size: 1.75rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.pestel-conclusion p {
    font-size: 1.1rem;
    color: var(--color-text-primary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.pestel-conclusion p:last-child {
    margin-bottom: 0;
}

.pestel-conclusion strong {
    color: var(--color-primary-dark);
}

/* ==========================================================================
   Ecosystem Section
   ========================================================================== */

.ecosystem-intro {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: center;
}

.ecosystem-subtitle {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

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

.domain-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-base);
}

.domain-card:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    border-color: var(--color-primary-light);
}

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

.domain-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.domain-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.75);
}

/* ==========================================================================
   Ecosystem Strategy Map Grid (Compact Version)
   ========================================================================== */

.ecosystem-map-grid {
    margin: var(--spacing-xl) 0;
}

.ecosystem-grid-label {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
    line-height: 1.7;
}

.ecosystem-grid-label strong {
    color: var(--color-white);
}

/* Domain Grid Layout */
.domain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    max-width: 1100px;
    margin: 0 auto;
}

/* Domain Card Grid */
.domain-card-grid {
    position: relative;
    height: 280px;
    perspective: 1000px;
    cursor: pointer;
}

/* Card Inner Structure */
.domain-front,
.domain-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    transition: transform 0.6s ease;
    border-radius: 12px;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Front Side */
.domain-front {
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.domain-card-grid:hover .domain-front {
    transform: rotateY(180deg);
}

/* Back Side */
.domain-back {
    background: rgba(255, 255, 255, 0.12);
    border: 2px solid var(--color-primary-light);
    backdrop-filter: blur(10px);
    transform: rotateY(180deg);
    justify-content: flex-start;
    text-align: left;
}

.domain-card-grid:hover .domain-back {
    transform: rotateY(0deg);
}

/* Domain Icon */
.domain-icon-grid {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

/* Domain Title */
.domain-card-grid h4 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

/* Domain Tagline */
.domain-tagline {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
    text-align: center;
    line-height: 1.5;
}

/* Back Side Content */
.domain-back h5 {
    font-size: 0.85rem;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.partner-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
    width: 100%;
}

.partner-list li {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.4;
}

.partner-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary-light);
    font-weight: 700;
}

/* Role Badge */
.domain-role-badge {
    margin-top: auto;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    width: 100%;
}

.domain-role-badge.producer {
    background: rgba(123, 167, 153, 0.3);
    color: var(--color-primary-light);
    border: 2px solid var(--color-primary-light);
}

.domain-role-badge.enabler {
    background: rgba(90, 143, 123, 0.25);
    color: var(--color-primary-light);
    border: 2px solid rgba(123, 167, 153, 0.6);
}

.domain-role-badge.orchestrator {
    background: linear-gradient(135deg, rgba(90, 143, 123, 0.4), rgba(123, 167, 153, 0.4));
    color: var(--color-white);
    border: 2px solid var(--color-primary-light);
    box-shadow: 0 4px 15px rgba(90, 143, 123, 0.4);
}

/* Context Box */
.ecosystem-context {
    margin-top: var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.context-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-primary);
}

.context-box h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.context-box p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
}

.context-box strong {
    color: var(--color-primary-light);
}

/* Roles Legend */
.roles-legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
}

.role-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.role-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 4px;
    border: 3px solid;
}

.role-dot.producer {
    background: rgba(123, 167, 153, 0.3);
    border-color: var(--color-primary-light);
}

.role-dot.enabler {
    background: rgba(90, 143, 123, 0.2);
    border-color: rgba(123, 167, 153, 0.6);
}

.role-dot.orchestrator {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-color: var(--color-primary-light);
    box-shadow: 0 0 10px rgba(90, 143, 123, 0.4);
}

.role-text strong {
    display: block;
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.role-text p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.5;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .domain-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .domain-card-grid {
        height: 300px;
    }
    
    .roles-legend {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Ecosystem Value Creation Logic
   ========================================================================== */

.ecosystem-value-logic {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.value-logic-intro {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
}

.value-logic-intro p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
}

.value-logic-intro strong {
    color: var(--color-white);
}

/* Value Matrix */
.value-matrix {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
    margin: var(--spacing-lg) 0;
}

.matrix-column {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.matrix-header {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.matrix-cell {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-sm);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.matrix-cell.domain-cell {
    font-weight: 600;
    color: var(--color-white);
}

.matrix-cell.priority-domain {
    background: rgba(90, 143, 123, 0.15);
    border-left: 3px solid var(--color-primary);
}

.matrix-cell strong {
    color: var(--color-white);
}

/* Role Badges Small */
.role-badge-small {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.role-badge-small.producer {
    background: rgba(123, 167, 153, 0.3);
    color: var(--color-primary-light);
    border: 1px solid var(--color-primary-light);
}

.role-badge-small.enabler {
    background: rgba(90, 143, 123, 0.2);
    color: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(123, 167, 153, 0.5);
}

.role-badge-small.orchestrator {
    background: linear-gradient(135deg, rgba(90, 143, 123, 0.4), rgba(123, 167, 153, 0.4));
    color: var(--color-white);
    border: 1px solid var(--color-primary-light);
    box-shadow: 0 2px 8px rgba(90, 143, 123, 0.3);
}

/* Value Insights */
.value-insights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.insight-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: var(--spacing-lg);
    position: relative;
    padding-top: 4rem;
    border-left: 4px solid var(--color-primary);
    transition: var(--transition-base);
}

.insight-box:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.insight-number {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary-light);
    opacity: 0.5;
}

.insight-box h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.insight-box p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.insight-box strong {
    color: var(--color-primary-light);
}

/* Responsive Value Matrix */
@media (max-width: 1200px) {
    .value-matrix {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .matrix-column:nth-child(4),
    .matrix-column:nth-child(5) {
        grid-column: span 3;
    }
    
    .matrix-column:nth-child(4) .matrix-cell,
    .matrix-column:nth-child(5) .matrix-cell {
        min-height: 50px;
    }
}

@media (max-width: 768px) {
    .value-matrix {
        grid-template-columns: 1fr;
    }
    
    .matrix-column {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .matrix-header {
        width: 100%;
        min-height: 40px;
    }
    
    .matrix-cell {
        flex: 1 1 150px;
        min-height: 60px;
        font-size: 0.85rem;
    }
    
    .value-insights {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Ecosystem Pioneer Visualization (Concentric Circles)
   ========================================================================== */

.ecosystem-pioneer {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, rgba(44, 62, 58, 0.95) 0%, rgba(33, 46, 43, 0.95) 100%);
    border-radius: 16px;
}

.pioneer-intro {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.pioneer-intro p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
}

.pioneer-intro strong {
    color: var(--color-primary-light);
}

/* Concentric Circles Container */
.pioneer-circles {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 800px;
    margin: 0 auto var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Circle Layers */
.circle-layer {
    position: absolute;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

/* Core Layer (Center) */
.core-layer {
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: 4px solid var(--color-primary-light);
    box-shadow: 0 0 40px rgba(90, 143, 123, 0.6), inset 0 0 20px rgba(255, 255, 255, 0.1);
    z-index: 5;
}

.core-content {
    text-align: center;
    color: var(--color-white);
}

.core-icon {
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.core-content h4 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--color-white);
}

.core-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

/* Ring 1: Core Services */
.ring1-layer {
    width: 350px;
    height: 350px;
    background: rgba(90, 143, 123, 0.15);
    border: 2px solid rgba(123, 167, 153, 0.4);
    z-index: 4;
}

/* Ring 2: Extended Services */
.ring2-layer {
    width: 520px;
    height: 520px;
    background: rgba(90, 143, 123, 0.1);
    border: 2px solid rgba(123, 167, 153, 0.3);
    z-index: 3;
}

/* Ring 3: Partner Ecosystem */
.ring3-layer {
    width: 690px;
    height: 690px;
    background: rgba(90, 143, 123, 0.05);
    border: 2px solid rgba(123, 167, 153, 0.2);
    z-index: 2;
}

/* Ring Labels */
.ring-label {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    background: rgba(44, 62, 58, 0.9);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
}

/* Ring Items */
.ring-items {
    position: absolute;
    width: 100%;
    height: 100%;
}

.ring-item {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
    white-space: nowrap;
    transition: all 0.3s ease;
}

.ring-item:hover {
    background: rgba(90, 143, 123, 0.3);
    border-color: var(--color-primary-light);
    transform: scale(1.05);
    z-index: 10;
}

/* Ring 1 Items Positioning */
.ring1-layer .ring-item:nth-child(1) { top: 15%; left: 50%; transform: translateX(-50%); }
.ring1-layer .ring-item:nth-child(2) { bottom: 20%; left: 15%; }
.ring1-layer .ring-item:nth-child(3) { bottom: 20%; right: 15%; }

/* Ring 2 Items Positioning */
.ring2-layer .ring-item:nth-child(1) { top: 8%; left: 50%; transform: translateX(-50%); }
.ring2-layer .ring-item:nth-child(2) { top: 25%; right: 5%; }
.ring2-layer .ring-item:nth-child(3) { bottom: 25%; right: 5%; }
.ring2-layer .ring-item:nth-child(4) { bottom: 8%; left: 50%; transform: translateX(-50%); }

/* Ring 3 Items Positioning */
.ring3-layer .ring-item:nth-child(1) { top: 5%; left: 50%; transform: translateX(-50%); }
.ring3-layer .ring-item:nth-child(2) { top: 18%; right: 8%; }
.ring3-layer .ring-item:nth-child(3) { top: 45%; right: 0%; }
.ring3-layer .ring-item:nth-child(4) { bottom: 18%; right: 8%; }
.ring3-layer .ring-item:nth-child(5) { bottom: 18%; left: 8%; }
.ring3-layer .ring-item:nth-child(6) { top: 45%; left: 0%; }

/* Outer Layer: Value Propositions */
.outer-layer {
    width: 100%;
    height: 100%;
    z-index: 1;
}

.outer-items {
    position: absolute;
    width: 100%;
    height: 100%;
}

.outer-item {
    position: absolute;
    background: rgba(90, 143, 123, 0.2);
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    padding: var(--spacing-md);
    max-width: 200px;
    transition: all 0.3s ease;
}

.outer-item:hover {
    background: rgba(90, 143, 123, 0.3);
    transform: scale(1.05);
    z-index: 10;
}

.outer-item:nth-child(1) { top: -10%; left: 50%; transform: translateX(-50%); }
.outer-item:nth-child(2) { bottom: -10%; left: 15%; }
.outer-item:nth-child(3) { bottom: -10%; right: 15%; }

.outer-item strong {
    display: block;
    color: var(--color-primary-light);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.outer-item p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.4;
    margin: 0;
}

/* Pioneer Comparison */
.pioneer-comparison {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.pioneer-comparison h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

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

.comparison-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.comparison-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-8px);
    border-color: var(--color-primary-light);
}

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

.comparison-card h5 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.comparison-principle,
.comparison-learning {
    font-size: 0.9rem;
    line-height: 1.6;
    text-align: left;
    margin-bottom: var(--spacing-sm);
}

.comparison-principle {
    color: rgba(255, 255, 255, 0.7);
}

.comparison-learning {
    color: rgba(255, 255, 255, 0.85);
}

.comparison-principle strong,
.comparison-learning strong {
    color: var(--color-primary-light);
    display: block;
    margin-bottom: 0.25rem;
}

/* Pioneer Roadmap */
.pioneer-roadmap {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.pioneer-roadmap h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

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

.roadmap-phase {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: var(--spacing-lg);
    position: relative;
    padding-top: 4rem;
    transition: all 0.3s ease;
}

.roadmap-phase:hover {
    background: rgba(90, 143, 123, 0.15);
    border-color: var(--color-primary-light);
    transform: translateY(-8px);
}

.phase-number {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-white);
}

.roadmap-phase h5 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.roadmap-phase ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.roadmap-phase li {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.5;
}

.roadmap-phase li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary-light);
    font-weight: 700;
}

/* Responsive Pioneer Circles */
@media (max-width: 968px) {
    .pioneer-circles {
        height: 600px;
    }
    
    .core-layer { width: 140px; height: 140px; }
    .ring1-layer { width: 280px; height: 280px; }
    .ring2-layer { width: 420px; height: 420px; }
    .ring3-layer { width: 560px; height: 560px; }
    
    .outer-item {
        max-width: 160px;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .pioneer-circles {
        display: none; /* Hide circles on mobile, show list instead */
    }
    
    /* Show alternative list view on mobile */
    .pioneer-circles::after {
        content: '';
        display: block;
    }
}

/* Transformation Flow */
.transformation-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.transformation-stage {
    flex: 1;
    min-width: 300px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
}

.stage-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.stage-role {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 8px;
}

.stage-role.producer {
    background-color: rgba(123, 167, 153, 0.2);
    color: var(--color-primary-light);
}

.stage-role.orchestrator {
    background: linear-gradient(135deg, rgba(90, 143, 123, 0.3) 0%, rgba(123, 167, 153, 0.3) 100%);
    color: var(--color-white);
    border: 2px solid var(--color-primary-light);
}

.stage-description {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.transformation-arrow {
    font-size: 3rem;
    color: var(--color-primary-light);
    font-weight: 700;
}

/* Implications Grid */
.implications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* maximal 2 Karten pro Reihe */
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Mobile: 1 Karte pro Reihe */
@media (max-width: 768px) {
    .implications-grid {
        grid-template-columns: 1fr;
    }
}

.implication-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: var(--spacing-md);
    transition: var(--transition-base);
}

.implication-card:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--color-primary-light);
}

.implication-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-light);
}

.implication-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.ecosystem-conclusion {
    background-color: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.ecosystem-conclusion h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.ecosystem-conclusion p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   Vision Section
   ========================================================================== */

.vision-intro {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: center;
    color: var(--color-text-secondary);
}

.vision-pillars {
    margin-top: var(--spacing-lg);
}

.vision-pillar {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-left: 120px;
    transition: var(--transition-base);
}

.vision-pillar:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transform: translateX(10px);
}

.pillar-number {
    position: absolute;
    left: var(--spacing-lg);
    top: var(--spacing-lg);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.pillar-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.pillar-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* Vision Timeline */
.vision-timeline {
    margin-top: var(--spacing-xl);
    background-color: #3D4F4A;
    padding: var(--spacing-lg);
    border-radius: 12px;
}

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

.timeline-vision-item {
    background-color: var(--color-white);
    border-left: 4px solid var(--color-primary);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.timeline-year {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-white);
    background-color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
}

.timeline-vision-item h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.timeline-vision-item p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.vision-conclusion {
    background-color: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.vision-conclusion h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.vision-conclusion p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.vision-conclusion strong {
    color: var(--color-primary-dark);
}

/* ==========================================================================
   Contribution Section
   ========================================================================== */

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

.contribution-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: var(--transition-base);
}

.contribution-card:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-8px);
    border-color: var(--color-primary-light);
}

.contribution-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.contribution-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
    line-height: 1.4;
}

.contribution-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
}

.contribution-summary {
    background-color: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contribution-summary h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.contribution-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.contribution-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

.contribution-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary-light);
    font-weight: 700;
    font-size: 1.2rem;
}

.contribution-final {
    font-size: 1.15rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.95);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.contribution-final strong {
    color: var(--color-white);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

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

.contact-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.contact-description {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.contact-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.contact-info {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.contact-info p {
    margin-bottom: 0.25rem;
}

.contact-info strong {
    color: var(--color-text-primary);
    font-size: 1.1rem;
}

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

.footer {
    background-color: var(--color-background-dark);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: var(--spacing-md) 0;
    font-size: 0.95rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-headline {
        font-size: 2rem;
    }
    
    .hero-subline {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-marker {
        left: 10px;
    }
    
    .vision-pillar {
        padding-left: var(--spacing-md);
        padding-top: 80px;
    }
    
    .pillar-number {
        left: 50%;
        transform: translateX(-50%);
        top: var(--spacing-md);
    }
    
    .transformation-flow {
        flex-direction: column;
    }
    
    .transformation-arrow {
        transform: rotate(90deg);
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .pestel-grid,
    .projects-grid,
    .domains-grid,
    .implications-grid,
    .contribution-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        min-height: 80vh;
    }
}

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

@media print {
    .nav,
    .contact-buttons,
    .footer {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
}