/* ================================================
   SOLARPARK SCHNABELWAID - LANDING PAGE STYLES
   ================================================ */

/* CSS Variables */
:root {
    /* Colors - Nature-inspired palette */
    --color-primary: #0D4F3C;
    --color-primary-light: #1A7559;
    --color-primary-dark: #083328;
    --color-accent: #34D399;
    --color-accent-light: #6EE7B7;
    --color-accent-dark: #059669;
    
    --color-sun: #F59E0B;
    --color-sun-light: #FBBF24;
    
    --color-bg: #FAFCFB;
    --color-bg-alt: #F0F5F3;
    --color-bg-dark: #0A1F1A;
    
    --color-text: #1F2937;
    --color-text-light: #6B7280;
    --color-text-muted: #9CA3AF;
    --color-text-inverse: #F9FAFB;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Sizing */
    --container-max: 1200px;
    --container-narrow: 800px;
    
    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.lead {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ================================================
   NAVIGATION
   ================================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: background-color var(--transition-base), padding var(--transition-base);
}

.nav.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-inverse);
    transition: color var(--transition-base);
}

.nav.scrolled .nav-logo {
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-inverse);
    transition: color var(--transition-base);
    position: relative;
}

.nav.scrolled .nav-links a {
    color: var(--color-text);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

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

.nav-cta {
    padding: var(--space-sm) var(--space-lg) !important;
    background-color: var(--color-accent);
    color: var(--color-primary-dark) !important;
    border-radius: var(--radius-md);
    font-weight: 600 !important;
    transition: background-color var(--transition-base), transform var(--transition-fast) !important;
}

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

.nav-cta:hover {
    background-color: var(--color-accent-light);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-inverse);
    transition: background-color var(--transition-base);
}

.nav.scrolled .nav-toggle span {
    background-color: var(--color-text);
}

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 31, 26, 0.7) 0%,
        rgba(10, 31, 26, 0.5) 50%,
        rgba(10, 31, 26, 0.8) 100%
    );
}

.hero-content {
    text-align: center;
    padding: var(--space-4xl) var(--space-lg);
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-label {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background-color: rgba(52, 211, 153, 0.2);
    border: 1px solid rgba(52, 211, 153, 0.3);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--color-text-inverse);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.hero-title span {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-unit {
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 500;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--space-xs);
}

.hero-scroll {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    transition: color var(--transition-base);
    animation: bounce 2s infinite;
}

.hero-scroll:hover {
    color: var(--color-accent);
}

.hero-scroll svg {
    width: 24px;
    height: 24px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ================================================
   SECTIONS (General)
   ================================================ */
.section {
    padding: var(--space-5xl) 0;
}

.section-header {
    margin-bottom: var(--space-3xl);
}

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

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent-dark);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-md);
}

.section-label-light {
    color: var(--color-accent);
}

.section-title {
    color: var(--color-primary-dark);
}

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

/* ================================================
   PROJEKT SECTION
   ================================================ */
.section-projekt {
    background-color: var(--color-bg);
}

.projekt-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.projekt-text p {
    margin-bottom: var(--space-lg);
    color: var(--color-text-light);
}

.projekt-text .lead {
    color: var(--color-text);
}

.projekt-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.feature {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

.feature-content h3 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.feature-content p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* ================================================
   TECHNIK SECTION
   ================================================ */
.section-technik {
    background-color: var(--color-bg-alt);
}

.technik-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.technik-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.technik-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.technik-card-highlight {
    background-color: var(--color-primary);
}

.technik-card-highlight h3,
.technik-card-highlight .technik-specs li span,
.technik-card-highlight .technik-specs li strong {
    color: var(--color-text-inverse);
}

.technik-card-highlight .technik-specs li {
    border-color: rgba(255, 255, 255, 0.1);
}

.technik-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.technik-icon {
    font-size: 1.5rem;
}

.technik-card-header h3 {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
}

.technik-specs {
    display: flex;
    flex-direction: column;
}

.technik-specs li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-bg-alt);
    font-size: 0.875rem;
}

.technik-specs li:last-child {
    border-bottom: none;
}

.technik-specs li span {
    color: var(--color-text-light);
}

.technik-specs li strong {
    font-weight: 600;
    color: var(--color-text);
}

.technik-components {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

.technik-components h3 {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
    text-align: center;
}

.components-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.component {
    text-align: center;
    padding: var(--space-lg);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

.component-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.component-value {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.component-detail {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* ================================================
   UMWELT SECTION
   ================================================ */
.section-umwelt {
    background-color: var(--color-bg);
}

.umwelt-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.umwelt-text .lead {
    margin-bottom: var(--space-2xl);
}

.umwelt-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.umwelt-stat {
    padding: var(--space-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
}

.umwelt-stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
}

.umwelt-stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
}

.umwelt-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.benefit {
    position: relative;
    padding-left: var(--space-3xl);
}

.benefit-number {
    position: absolute;
    left: 0;
    top: 0;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.benefit h3 {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.benefit p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ================================================
   SPEICHER SECTION
   ================================================ */
.section-speicher {
    position: relative;
    padding: var(--space-5xl) 0;
    overflow: hidden;
}

.speicher-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.speicher-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.speicher-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 31, 26, 0.9) 0%,
        rgba(10, 31, 26, 0.85) 50%,
        rgba(10, 31, 26, 0.95) 100%
    );
}

.speicher-content {
    position: relative;
    z-index: 1;
}

.speicher-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.speicher-intro {
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
    text-align: center;
}

.speicher-intro .lead {
    color: rgba(255, 255, 255, 0.9);
}

.speicher-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.speicher-card {
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: transform var(--transition-base), background-color var(--transition-base);
}

.speicher-card:hover {
    transform: translateY(-4px);
    background-color: rgba(255, 255, 255, 0.08);
}

.speicher-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(52, 211, 153, 0.15);
    border-radius: var(--radius-lg);
}

.speicher-card-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-accent);
}

.speicher-card h3 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.speicher-card-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-md);
}

.speicher-card p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.speicher-why {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-2xl);
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
}

.speicher-why h3 {
    font-size: 1.375rem;
    color: var(--color-text-inverse);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.speicher-why-content p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-lg);
}

.speicher-why-content ul {
    margin-bottom: var(--space-lg);
}

.speicher-why-content li {
    position: relative;
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
    color: rgba(255, 255, 255, 0.85);
}

.speicher-why-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.speicher-why-content li strong {
    color: var(--color-accent);
}

/* ================================================
   STANDORT SECTION
   ================================================ */
.section-standort {
    background-color: var(--color-bg-alt);
}

.standort-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.standort-info p {
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

.standort-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.standort-detail {
    padding: var(--space-md);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
}

.detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.detail-value {
    font-weight: 600;
    color: var(--color-text);
}

.standort-map {
    display: flex;
    justify-content: center;
    align-items: center;
}

.map-placeholder {
    position: relative;
    width: 280px;
    height: 280px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
}

.map-placeholder svg {
    width: 200px;
    height: 200px;
    color: rgba(255, 255, 255, 0.3);
}

.map-label {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

/* ================================================
   KONTAKT SECTION
   ================================================ */
.section-kontakt {
    background-color: var(--color-bg);
}

.kontakt-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.kontakt-text p {
    color: var(--color-text-light);
    font-size: 1.125rem;
}

.kontakt-card {
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.kontakt-method {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.kontakt-method:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.kontakt-method:first-child {
    padding-top: 0;
}

.kontakt-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
}

.kontakt-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

.kontakt-details {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.kontakt-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.kontakt-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
}

a.kontakt-value {
    color: var(--color-primary);
    transition: color var(--transition-base);
}

a.kontakt-value:hover {
    color: var(--color-accent-dark);
}

/* ================================================
   IMPRESSUM SECTION
   ================================================ */
.section-impressum {
    background-color: var(--color-bg);
    padding-top: var(--space-4xl);
}

.impressum-content {
    max-width: 800px;
    margin: 0 auto;
}

.impressum-content .section-title {
    margin-bottom: var(--space-2xl);
}

.impressum-block {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-bg-alt);
}

.impressum-block:last-child {
    border-bottom: none;
}

.impressum-block h3 {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.impressum-block p {
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.impressum-block p:last-child {
    margin-bottom: 0;
}

.impressum-block a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: var(--color-accent);
    text-underline-offset: 2px;
    transition: color var(--transition-base);
}

.impressum-block a:hover {
    color: var(--color-accent-dark);
}

.impressum-haftung p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
    background-color: var(--color-bg-dark);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-xl);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-md);
}

.footer-brand p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
    font-size: 0.75rem !important;
}

/* ================================================
   RESPONSIVE DESIGN
   ================================================ */
@media (max-width: 1024px) {
    .projekt-grid,
    .umwelt-content,
    .kontakt-content,
    .standort-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .technik-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .technik-card:nth-child(3) {
        grid-column: span 2;
    }
    
    .components-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .speicher-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .speicher-grid .speicher-card:nth-child(3) {
        grid-column: span 2;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background-color: white;
        box-shadow: var(--shadow-lg);
        padding: var(--space-md);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        display: block;
        padding: var(--space-md);
        color: var(--color-text) !important;
    }
    
    .nav-cta {
        margin-top: var(--space-md);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-stats {
        gap: var(--space-xl);
    }
    
    .stat {
        min-width: 100px;
    }
    
    .technik-grid {
        grid-template-columns: 1fr;
    }
    
    .technik-card:nth-child(3) {
        grid-column: span 1;
    }
    
    .components-grid {
        grid-template-columns: 1fr;
    }
    
    .speicher-grid {
        grid-template-columns: 1fr;
    }
    
    .speicher-grid .speicher-card:nth-child(3) {
        grid-column: span 1;
        max-width: none;
    }
    
    .standort-details {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: var(--space-md) var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .feature {
        flex-direction: column;
        text-align: center;
    }
    
    .benefit {
        padding-left: 0;
        padding-top: var(--space-2xl);
    }
    
    .benefit-number {
        top: 0;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .umwelt-benefits {
        text-align: center;
    }
}

/* ================================================
   ANIMATIONS & EFFECTS
   ================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Subtle hover effects */
.feature,
.technik-card,
.speicher-card,
.component {
    will-change: transform;
}