/* Inter Font */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    src: local(''),
         url('../fonts/inter-v19-latin/inter-v19-latin-regular.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    src: local(''),
         url('../fonts/inter-v19-latin/inter-v19-latin-500.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    src: local(''),
         url('../fonts/inter-v19-latin/inter-v19-latin-600.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    src: local(''),
         url('../fonts/inter-v19-latin/inter-v19-latin-700.woff2') format('woff2');
}

/* Base Styles */
:root {
    /* Colors */
    --color-primary: #29235c;
    --color-primary-dark: #1a1635;
    --color-primary-darker: #0f0d24;
    --color-accent: #ffec00;
    --color-accent-dark: #e6d400;
    --color-background: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-dark: var(--color-text);
    --color-border: #e5e5e5;
    --color-white: #ffffff;
    --color-black: #000000;
    --color-overlay: rgba(0, 0, 0, 0.7);
    --color-background-dark: var(--color-primary);

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.5;
    --font-size-h1: clamp(2rem, 5vw, 3rem);
    --font-size-h2: clamp(1.75rem, 4vw, 2.5rem);
    --font-size-h3: clamp(1.25rem, 3vw, 1.5rem);
    --font-size-h4: 1.125rem;

    /* Spacing */
    --spacing-base: 1rem;
    --spacing-xs: calc(var(--spacing-base) * 0.25);
    --spacing-sm: calc(var(--spacing-base) * 0.5);
    --spacing-md: calc(var(--spacing-base) * 1.5);
    --spacing-lg: calc(var(--spacing-base) * 2);
    --spacing-xl: calc(var(--spacing-base) * 3);
    --container-spacing: 1.5rem;
    --section-spacing: 4rem;
    --grid-gap: 2rem;

    /* Container */
    --container-padding: var(--spacing-base);
    --container-max-width: 1200px;

    /* Component Spacing */
    --padding-button: 1rem 2rem;
    --padding-nav-item: 0.75rem 1rem;
    --padding-nav-mobile: 1rem;

    /* Border Radius */
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 16px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

    /* Z-index */
    --z-index-header: 100;
    --z-index-modal: 200;
    --z-index-overlay: 300;

    /* Animations */
    --animation-timing: cubic-bezier(0.4, 0, 0.2, 1);
    --animation-duration: 300ms;
    --animation-hover-lift: translateY(-2px);
    --animation-scale: scale(1.05);
    --transition-base: 0.3s ease;
    --transition-all: all 0.3s ease;
    --transition-transform: transform 0.3s ease;

    /* Overlays */
    --overlay-dark: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    --overlay-light: linear-gradient(to top, rgba(255, 255, 255, 0.8), transparent);

    /* Focus styles */
    --focus-outline-color: var(--color-accent);
    --focus-outline-width: 3px;
    --focus-outline-offset: 2px;
}

/* Header Styles */
.header {
    position: sticky;
    top: 0;
    background: var(--color-white);
    z-index: 100;
    padding: var(--spacing-base) 0;
    height: 80px;
    display: flex;
    align-items: center;
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.header__logo {
    max-width: 180px;
    height: auto;
}

/* Navigation Styles */
.header__nav {
    display: flex;
    gap: calc(var(--spacing-base) * 3);
    align-items: center;
}

.header__nav-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    padding: calc(var(--spacing-base) * 0.5);
    transition: color 0.3s ease;
}

.header__nav-link:hover,
.header__nav-link:focus {
    color: var(--color-accent);
}

.header__nav .button {
    margin: 0;
    padding: calc(var(--spacing-base) * 0.5) var(--spacing-base);
}

/* Mobile Navigation */
@media (max-width: 1024px) {
    .hamburger {
        display: block;
        cursor: pointer;
        padding: var(--spacing-base);
        background: none;
        border: none;
        z-index: 101;
    }

    .header__nav {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: var(--spacing-lg) var(--spacing-base);
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-base);
        z-index: 100;
    }

    .header__nav.is-open {
        display: flex;
    }

    .header__nav-link {
        font-size: 1rem;
        padding: var(--spacing-base);
        text-align: center;
        color: var(--color-primary);
        text-decoration: none;
    }

    .header__nav .button {
        padding: var(--spacing-base) var(--spacing-xl);
    }
}

@media (min-width: 768px) {
    .header__logo {
        max-width: 240px;
    }
}

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

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--color-text);
    overflow-x: hidden;
    width: 100%;
    background-color: var(--color-background);
}

/* Typography */
h3 {
    font-size: 1.6em;
    font-weight: 600;
    margin-bottom: 0.5em;
    line-height: 1.3;
}

/* Base Section */
section {
    padding: 1.5rem 0;
}

/* Product Details Section */
.product-details {
    padding: 0;
}

.product-details h3 {
    margin-bottom: 1rem;
    color: var(--color-primary);
    font-size: var(--font-size-h3);
    line-height: 1.3;
}

.product-details p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

/* Section Spacing */
section + section {
    margin-top: 0;
}

/* Premium Section */
.premium-section {
    background-color: var(--color-white);
}

.premium-section .product-details {
    padding: 0;
}

.premium-section .product-details h3 {
    margin-bottom: 1rem;
}

.premium-section .product-details p {
    margin-bottom: 1.5rem;
}

/* Energy App Section */
.energy-app-section {
    background-color: var(--color-accent);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.energy-app-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.energy-app-description {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: var(--color-text);
}

/* Special Cases */
.hero + .premium-section {
    margin-top: 0;
}

/* Content Spacing */
.content-block {
    margin: 0;
    padding: 0;
}

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

h1, h2, h3, h4, h5, h6 {
    color: var(--color-primary);
    font-weight: 700;
}

.hero h1,
.hero h2,
.section--cta h2 {
    color: var(--color-accent);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

p {
    color: var(--color-text);
    line-height: 1.6;
}

/* Dark background text */
.hero p,
.section--cta p,
.footer p,
.parallax-section p {
    color: var(--color-text-light);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Feature card text */
.feature-card__title {
    color: var(--color-primary);
    font-weight: 700;
}

.feature-card__description {
    color: var(--color-text);
}
.parallax-section--soluxtec {
    background-image: linear-gradient(rgba(41, 35, 92, 0.8), rgba(41, 35, 92, 0.8)), url('<?php echo $soluxtecBackground; ?>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.parallax-section--aiko {
    background-image: linear-gradient(rgba(41, 35, 92, 0.8), rgba(41, 35, 92, 0.8)), url('<?php echo $aikoBackground; ?>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.parallax-section--ecoflow {
    background-image: linear-gradient(rgba(41, 35, 92, 0.8), rgba(41, 35, 92, 0.8)), url('<?php echo $ecoflowBackground; ?>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
/* Global Link Styles */
a,
a:link {
    color: var(--color-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover,
a:focus {
    color: var(--color-black);
}

a:active {
    color: var(--color-primary);
}

/* Section-specific Link Styles */
.hero a,
.hero a:link,
.section--cta a,
.section--cta a:link,
.footer a,
.footer a:link {
    color: var(--color-white);
}

.hero a:hover,
.hero a:focus,
.section--cta a:hover,
.section--cta a:focus,
.footer a:hover,
.footer a:focus {
    color: var(--color-accent);
}

.hero a:active,
.section--cta a:active,
.footer a:active {
    color: var(--color-white);
}

/* Buttons - Clean and Static */
.button:not(.hamburger),
a.button:not(.hamburger),
button:not(.hamburger) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--color-accent);
    color: var(--color-primary);
    padding: var(--padding-button);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.button--accent:not(.hamburger) {
    background: var(--color-accent);
    color: var(--color-primary);
}

/* Remove ALL button hover effects */
.button:not(.hamburger):hover,
.button:not(.hamburger):focus,
.button:not(.hamburger):active,
.button--accent:not(.hamburger):hover,
.button--accent:not(.hamburger):focus,
.button--accent:not(.hamburger):active,
.button:not(.hamburger)::after,
.button:not(.hamburger):hover::after {
    transform: none;
    box-shadow: none;
    background: var(--color-accent);
    color: var(--color-primary);
    transition: none;
}

/* Remove transitions */
.button:not(.hamburger),
.button--accent:not(.hamburger) {
    transition: none;
}

/* Override any section-specific button colors and spacing */
.hero .button,
.hero a.button,
.section--cta .button,
.section--cta a.button,
.manufacturer-info__cta .button,
.manufacturer-info__cta a.button,
.premium-section .button,
.premium-section a.button {
    background: var(--color-accent) !important;
    color: var(--color-primary) !important;
    padding: var(--padding-button) !important;
    white-space: nowrap !important;
}

.hero .button:hover,
.hero a.button:hover,
.section--cta .button:hover,
.section--cta a.button:hover,
.manufacturer-info__cta .button:hover,
.manufacturer-info__cta a.button:hover,
.premium-section .button:hover,
.premium-section a.button:hover {
    color: var(--color-primary) !important;
    background: var(--color-accent) !important;
}

/* Remove any custom button styles */
.hero .button {
    display: inline-flex !important;
    width: auto !important;
    padding: var(--padding-button) !important;
}

/* Remove manufacturer link specific styles */
.manufacturer-info__link {
    text-decoration: none;
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    overflow: hidden;
    padding-top: calc(80px + 4rem);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.energy-flow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.hero__content {
    max-width: 600px;
    position: relative;
    z-index: 2;
}

.hero__image {
    position: relative;
    z-index: 2;
    width: 100%;
    height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__image img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

/* Image Stack für Premium Line Germany */
.image-stack {
    position: relative;
    width: 100%;
    height: auto;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    margin-bottom: 2em;
}

.image-stack__back {
    position: relative;
    z-index: 1;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    transform: translateX(-20px) translateY(20px);
}

.image-stack__front {
    position: absolute;
    z-index: 2;
    max-width: 80%;
    height: auto;
    object-fit: contain;
    transform: translateX(40px) translateY(-40px);
    transition: transform 0.3s var(--animation-timing);
    background: transparent;
}

.image-stack__front:hover {
    transform: translateX(40px) translateY(-40px) scale(1.05);
}

.image-height-400 {
    max-height: 400px;
    width: auto;
}

.image-height-200 {
    max-height: 200px;
    width: auto;
}

@media (max-width: 768px) {
    .image-stack {
        justify-content: center;
        align-items: center;
    }

    .image-stack__back {
        transform: translateX(-10px) translateY(10px);
    }

    .image-stack__front {
        transform: translateX(20px) translateY(-20px);
        max-width: 70%;
    }

    .image-stack__front:hover {
        transform: translateX(20px) translateY(-20px) scale(1.05);
    }
}

/* Center images inside 2-col grids on tablet and mobile */
/* Center images inside 2-col grids on all viewports */
.grid.grid--2-col > div img {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* Keep for specificity on smaller screens (no harm) */
@media (max-width: 1024px) {
    .grid.grid--2-col > div img {
        display: block;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Show hero stacked images side-by-side on tablet and mobile */
@media (max-width: 1024px) {
    .hero__image .image-stack {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        justify-items: center;
        position: relative;
    }

    .hero__image .image-stack__back,
    .hero__image .image-stack__front {
        position: relative;
        transform: none;
        max-width: 100%;
    }

    .hero__image .image-stack__front:hover {
        transform: none;
    }
}

@media (min-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }

    .hero__image {
        justify-content: flex-end;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: calc(60px + 2rem);
        min-height: auto;
        padding-bottom: 2rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__content {
        margin: 0 auto;
    }

    .hero__image {
        margin-top: 2rem;
    }
}

.hero::before,
.section--cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        /* Solarzellen-Effekt */
        linear-gradient(0deg, var(--color-primary-darker) 0%, var(--color-primary) 50%, var(--color-primary-darker) 100%),
        /* Horizontale Linien */
        linear-gradient(to bottom, 
            transparent 39px,
            rgba(255, 236, 0, 0.1) 39px,
            rgba(255, 236, 0, 0.1) 41px,
            transparent 41px
        ),
        /* Vertikale Linien */
        linear-gradient(to right,
            transparent 79px,
            rgba(255, 236, 0, 0.1) 79px,
            rgba(255, 236, 0, 0.1) 81px,
            transparent 81px
        ),
        /* Glanzeffekt */
        linear-gradient(45deg, rgba(255, 236, 0, 0.05) 0%, transparent 100%);
    background-size: 
        100% 100%,    /* Solarzellen-Effekt */
        80px 80px,    /* Horizontale Linien */
        80px 80px,    /* Vertikale Linien */
        100% 100%;    /* Glanzeffekt */
    background-position: center;
    background-attachment: fixed;
    pointer-events: none;
    opacity: 0.3;
}

.hero::after,
.section--cta::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(0, 0, 0, 0.2) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(0, 0, 0, 0.2) 100%
    );
    pointer-events: none;
}

.hero__content h1,
.hero__content h2 {
    font-size: 3rem;
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 2rem;
}

.hero__content p {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: var(--color-white);
}

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

/* Product Boxes */
.product-boxes {
    position: relative;
    padding: 4rem 0;
    background-color: var(--color-white);
    overflow: hidden;
}

.product-boxes::before, #sma-home-storage-features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(41, 35, 92, 0.05) 0%, rgba(41, 35, 92, 0.1) 100%);
    z-index: 1;
}


.product-boxes .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
}

@media (min-width: 768px) {
    .product-boxes .container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .product-boxes .container {
        grid-template-columns: repeat(4, 1fr);
    }
}

.product-box {
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
    height: 100%;
    position: relative;
}

.product-box__image {
    margin-bottom: 2rem;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-box__image img {
    max-height: 100%;
    width: auto;
}

.product-box__title {
    color: var(--color-primary);
    font-size: var(--font-size-h3);
    margin-bottom: 1rem;
    font-weight: 700;
    min-height: 3em;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.product-box__description {
    color: var(--color-text);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.product-box__button {
    margin-top: auto;
}

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

/* Manufacturer Info Cards */
.manufacturer-info {
    width: 100%;
}

/* Company Overview Sections (Soluxtec, Aiko, Ecoflow) */
.parallax-section--soluxtec,
.parallax-section--aiko,
.parallax-section--ecoflow {
    position: relative;
    width: 100vw;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    overflow: hidden;
}

.parallax-section--soluxtec::before,
.parallax-section--aiko::before,
.parallax-section--ecoflow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(255, 236, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 236, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.parallax-section__content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.parallax-section__title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.parallax-section__text {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: var(--color-white);
}

/* Company Features Grid */
.soluxtec-features,
.aiko-features,
.ecoflow-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.soluxtec-feature,
.aiko-feature,
.ecoflow-feature {
    background: rgba(41, 35, 92, 0.3);
    padding: 2rem;
    border-radius: 12px;
    border: none;
    transition: transform var(--transition-base);
    text-align: center;
}

.soluxtec-feature:hover,
.aiko-feature:hover,
.ecoflow-feature:hover {
    transform: var(--animation-hover-lift);
}

.soluxtec-feature i,
.aiko-feature i,
.ecoflow-feature i {
    color: var(--color-accent);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.soluxtec-feature h4,
.aiko-feature span,
.ecoflow-feature span {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.soluxtec-feature p,
.aiko-feature p,
.ecoflow-feature p {
    color: var(--color-white);
    font-size: 1rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .parallax-section--soluxtec,
    .parallax-section--aiko,
    .parallax-section--ecoflow {
        padding: 3rem 1.5rem;
    }

    .parallax-section__title {
        font-size: 2rem;
    }

    .parallax-section__text {
        font-size: 1rem;
    }

    .soluxtec-features,
    .aiko-features,
    .ecoflow-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* CTA Links */
.parallax-section__link,
.button--accent {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.parallax-section__link:hover,
.button--accent:hover {
    color: var(--color-white);
    transform: translateY(-2px);
}

.parallax-section__link i {
    transition: transform 0.3s ease;
}

.parallax-section__link:hover i {
    transform: translateX(5px);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--container-spacing);
    margin: var(--container-spacing) 0;
}

/* Mobile: Single column */
.grid--2-col,
.grid--3-col {
    grid-template-columns: 1fr;
}

/* Tablet: 2 columns */
@media (min-width: 768px) {
    .grid--2-col {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid--3-col {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop: 2 or 3 columns */
@media (min-width: 1024px) {
    .grid--2-col {
        grid-template-columns: repeat(2, 1fr);
        gap: calc(var(--grid-gap) * 2);
    }
    
    .grid--3-col {
        grid-template-columns: repeat(3, 1fr);
        gap: calc(var(--grid-gap) * 2);
    }
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 4rem 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer h3 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.footer .list li {
    margin-bottom: 0.75rem;
}

.footer .list a {
    color: var(--color-white);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

@media (max-width: 768px) {
    .footer {
        padding: 3rem 0;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }

    .footer .list {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer h3 {
        font-size: 1.2rem;
        margin-bottom: 1.25rem;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 2.5rem 0;
    }

    .footer__grid {
        gap: 2rem;
    }

    .footer h3 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    0%, 25% {
        opacity: 0;
        transform: translateY(20px);
    }
    30%, 58% {
        opacity: 1;
        transform: translateY(0);
    }
    63%, 100% {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* Mobile & Tablet */
@media (max-width: 1024px) {
    .section--hero .container,
    .section--product-hero .container {
        grid-template-columns: 1fr;
        gap: var(--grid-gap);
    }

    .hero__text,
    .hero__text--full {
        max-width: 100%;
    }

    .hero__image {
        justify-self: center;
        max-width: 80%;
    }

    .hero h2,
    .hero__title {
        font-size: 2.5rem;
    }

    .hero__subtitle {
        font-size: 1.125rem;
    }

    .hero__description {
        font-size: 1rem;
    }

    .container {
        padding: 0 var(--spacing-base);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .header__nav {
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .hero h1,
    .hero h2,
    .hero__title {
        font-size: 2rem;
    }
}

/* Premium Section Content */
.premium-section .container > * + * {
    margin-top: var(--spacing-xxl);
}

.manufacturer-info__content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.manufacturer-info__title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--color-text);
}

.manufacturer-info__text {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 4rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text);
}

.manufacturer-info__cta {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.manufacturer-info__cta p {
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

@media (max-width: 768px) {
    .manufacturer-info {
        padding: 4rem 0;
    }

    .manufacturer-info__title {
        font-size: 2rem;
    }
}

/* Skip to Content */
.skip-to-content {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    z-index: 1001;
    transition: top 0.3s ease;
}

.skip-to-content:focus {
    top: 0;
}

/* Mobile Navigation */
.header__nav {
    display: flex;
    gap: calc(var(--spacing-base) * 3);
    align-items: center;
}

@media (max-width: 1024px) {
    .hamburger {
        display: block;
        cursor: pointer;
        padding: var(--spacing-base);
        background: none;
        border: none;
        z-index: 101;
    }

    .header__nav {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: var(--spacing-lg) var(--spacing-base);
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-base);
        z-index: 100;
    }

    .header__nav.is-open {
        display: flex;
    }

    .header__nav-link {
        font-size: 1rem;
        padding: var(--spacing-base);
        text-align: center;
        color: var(--color-primary);
        text-decoration: none;
    }

    .header__nav .button {
        padding: var(--spacing-base) var(--spacing-xl);
    }
}

/* Fixed Contact Buttons */
.fixed-contact {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: var(--z-index-header);
}

.fixed-contact__button {
    background: var(--color-accent);
    color: var(--color-primary);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
    border: none;
    text-decoration: none;
    padding: 0;
}

.fixed-contact__button:hover {
    background: var(--color-accent-dark);
    color: var(--color-primary-dark);
    transform: var(--animation-hover-lift);
}

.fixed-contact__button i,
.fixed-contact__button svg {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.fixed-contact__button--info {
    background: var(--color-primary);
    color: var(--color-accent);
}

.fixed-contact__button--info i {
    width: 16px;
    height: 16px;
    font-size: 16px;
    font-weight: 700;
    font-style: normal;
    font-family: serif;
}

.fixed-contact__button--info:hover {
    color: var(--color-accent);
}

@media (max-width: 1024px) {
    .fixed-contact {
        right: 1.5rem;
    }
}

@media (max-width: 768px) {
    .fixed-contact {
        right: 1rem;
        top: 50%;
        bottom: auto;
        transform: translateY(-50%);
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .fixed-contact {
        right: 0.5rem;
        top: 50%;
        bottom: auto;
        transform: translateY(-50%);
        flex-direction: column;
        gap: 0.5rem;
    }
}

.hero .button {
    display: inline-flex;
    width: auto;
    white-space: nowrap;
    padding: var(--spacing-base) var(--spacing-xl);
}

/* Content Box Styles */
.content-box {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.content-box__title {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xl);
}

.content-box__list {
    list-style: none;
    padding: 0;
}

.content-box__item {
    position: relative;
    padding-left: calc(var(--spacing-base) * 1.5);
    margin-bottom: var(--spacing-base);
}

.content-box__item::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: bold;
    margin-right: var(--spacing-sm);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    border: none;
    background: none;
    padding: 0.5rem;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    margin: 6px 0;
    transform-origin: center;
    transition: transform 0.3s ease-in-out, opacity 0.2s ease-in-out;
}

/* X Animation */
.hamburger[aria-expanded="true"] span:first-child {
    transform: translateY(8px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.hamburger[aria-expanded="true"] span:last-child {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Styles */
@media (max-width: 1024px) {
    .hamburger {
        display: block;
        cursor: pointer;
        padding: var(--spacing-base);
        background: none;
        border: none;
        float: right;
    }

    .header__nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-background);
        padding: var(--spacing-lg);
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
        box-shadow: var(--shadow-md);
    }

    .header__nav.is-open {
        display: flex !important;
        z-index: 1000;
    }

    .header__nav-link {
        color: var(--color-primary);
        text-decoration: none;
        padding: var(--spacing-base) 0;
        width: 100%;
        text-align: center;
    }
}

.section-spacing {
    margin: 4rem 0;
}

/* Parallax Section Styles */
.parallax-section {
    position: relative;
    width: 100vw;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    margin-top: 0;
    margin-bottom: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 6rem 2rem;
    min-height: fit-content;
    overflow: hidden;
}

.parallax-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(0deg, var(--color-primary-darker) 0%, var(--color-primary) 50%, var(--color-primary-darker) 100%);
    background-size: 100% 100%;
    background-position: center;
    background-attachment: fixed;
    pointer-events: none;
    opacity: 0.3;
    z-index: 1;
}

.parallax-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(0, 0, 0, 0.2) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(0, 0, 0, 0.2) 100%
    );
    pointer-events: none;
    z-index: 2;
}

.parallax-section__content {
    position: relative;
    z-index: 3;
    color: var(--color-white);
    max-width: 800px;
    margin: 0 auto;
}

/* Remove specific background styles from individual sections since they'll use the common style */
.parallax-section--soluxtec,
.parallax-section--aiko,
.parallax-section--ecoflow {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.parallax-section--soluxtec::before,
.parallax-section--aiko::before,
.parallax-section--ecoflow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(0deg, var(--color-primary-darker) 0%, var(--color-primary) 50%, var(--color-primary-darker) 100%);
    background-size: 100% 100%;
    background-position: center;
    background-attachment: fixed;
    pointer-events: none;
    opacity: 0.3;
    z-index: 1;
}

.parallax-section__overlay {
    display: none;
}

/* Remove any additional background patterns */
.soluxtec-features,
.aiko-features,
.ecoflow-features {
    position: relative;
    z-index: 3;
    background: none;
}

.soluxtec-feature,
.aiko-feature,
.ecoflow-feature {
    background: rgba(41, 35, 92, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.parallax-section__title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--color-accent);
}

.parallax-section__text {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.parallax-section__link {
    color: var(--color-white);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: color 0.3s ease;
}

.parallax-section__link:hover {
    color: var(--color-accent);
}

.parallax-section__link::after {
    content: '→';
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
}

.parallax-section__link:hover::after {
    transform: var(--animation-scale);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .parallax-section {
        padding: 3rem 1.5rem;
    }

    .parallax-section__title {
        font-size: 1.75rem;
    }

    .parallax-section__text {
        font-size: 1rem;
    }
}

@keyframes slideBackground {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}

.energy-app-section {
    position: relative;
    width: 100vw;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    overflow: hidden;
}

.energy-app-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(255, 236, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 236, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.energy-app-section .container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.energy-app-content {
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.energy-app-text {
    margin: 0;
    padding: 0;
    max-width: 600px;
}

.energy-app-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    hyphens: auto;
    -webkit-hyphens: auto;
    -ms-hyphens: auto;
    word-break: break-word;
}

.energy-app-description {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: var(--color-white);
    hyphens: auto;
    -webkit-hyphens: auto;
    -ms-hyphens: auto;
    word-break: break-word;
}

.energy-app-visual {
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.energy-app-card {
    background: rgba(41, 35, 92, 0.3);
    padding: 2rem;
    border-radius: 12px;
    border: none;
    transition: transform var(--transition-base);
}

.energy-app-card h3 {
    color: var(--color-accent);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.energy-app-card p {
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.energy-app-card i {
    color: var(--color-accent);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.energy-app-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin: 3rem 0;
}

.energy-app-card:hover {
    transform: var(--animation-hover-lift);
}

@media (max-width: 768px) {
    .energy-app-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .energy-app-text {
        text-align: center;
        margin: 0 auto;
    }

    .energy-app-title {
        font-size: 2rem;
    }

    .energy-app-visual {
        grid-template-columns: 1fr;
    }
}

/* Aiko Solar Section Styles */
.parallax-section--aiko {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.parallax-section__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.03) 0px,
        rgba(255, 255, 255, 0.03) 1px,
        transparent 1px,
        transparent 20px
    );
    pointer-events: none;
}

.glassmorphism-card {
    background: rgba(41, 35, 92, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    max-width: 800px;
    width: 90%;
    margin: 0 auto;
    color: var(--color-white);
}

.glassmorphism-card p {
    color: var(--color-white);
}

.aiko-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin: 3rem 0;
    width: 100%;
}

.aiko-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    transition: transform var(--transition-base);
    margin: 1rem 0;
}

.aiko-feature:hover {
    transform: var(--animation-hover-lift);
}

.aiko-feature i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.aiko-feature span {
    font-size: 1rem;
    color: var(--color-white);
}

/* Responsive Adjustments for Aiko Section */
@media (max-width: 992px) {
    .glassmorphism-card {
        padding: 2rem;
    }

    .aiko-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 576px) {
    .aiko-features {
        grid-template-columns: 1fr;
    }
}

/* Ecoflow Section Styles */
.parallax-section--ecoflow {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    position: relative;
}

.parallax-section__overlay--light {
    background: repeating-linear-gradient(
        45deg,
        rgba(0, 0, 0, 0.03) 0px,
        rgba(0, 0, 0, 0.03) 1px,
        transparent 1px,
        transparent 20px
    );
}

.light-card {
    background: rgba(41, 35, 92, 0.3);
    border: 1px solid rgba(255, 236, 0, 0.1);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
    width: 100%;
    margin: 0 auto;
}

.light-card p {
    color: var(--color-white);
}

.parallax-section__title--dark {
    color: var(--color-accent);
}

.parallax-section__text--dark {
    color: var(--color-white);
}

.ecoflow-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin: 3rem 0;
    width: 100%;
}

.ecoflow-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    background: rgba(41, 35, 92, 0.3);
    border: none;
    border-radius: 12px;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    margin: 1rem 0;
}

.ecoflow-feature:hover {
    transform: var(--animation-hover-lift);
    box-shadow: var(--shadow-lg);
}

.ecoflow-feature i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.ecoflow-feature span {
    font-size: 1rem;
    color: var(--color-white);
    font-weight: 500;
}

/* Removed custom Ecoflow button styles in favor of standard button styles */

/* Responsive Adjustments for Ecoflow Section */
@media (max-width: 992px) {
    .light-card {
        padding: 2rem;
    }

    .ecoflow-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 576px) {
    .ecoflow-features {
        grid-template-columns: 1fr;
    }
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background: #f8f8f8;
    position: relative;
    overflow: hidden;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(41, 35, 92, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(41, 35, 92, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 1;
}

.feature-card {
    padding: var(--container-spacing);
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    height: 100%;
    display: flex;
    flex-direction: column;
    text-align: left;
}

.feature-card__title {
    color: var(--color-primary);
    font-size: var(--font-size-h4);
    margin-bottom: 1rem;
    font-weight: 600;
    min-height: 3rem;
    display: flex;
    align-items: center;
}

.feature-card__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.feature-card__item {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    text-align: left;
}

.feature-card__item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* Entferne ALLE dynamischen Effekte */
.feature-card,
.feature-card__item,
.feature-card__title,
.feature-card__item::before {
    transition: none;
    transform: none;
}

@media (max-width: 768px) {
    .grid--2-col {
        grid-template-columns: 1fr;
    }
    
    .feature-card__title {
        min-height: auto;
    }
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(rgba(41, 35, 92, 0.95), rgba(41, 35, 92, 0.95)), url('../img/solaranlagen/Photvoltaikanlage_Full-Black_Bielefeld.jpg') center/cover;
    color: white;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../img/pattern.svg') repeat;
    opacity: 0.1;
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--color-accent);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Product Grid Section */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    width: 100%;
}

@media (min-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 576px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

.product-box {
    background: var(--color-white);
    border-radius: 4px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
    height: 100%;
}

.product-box:hover {
    transform: var(--animation-hover-lift);
}

/* Manufacturer Info Section */
.manufacturer-info {
    padding: 4rem 0;
}

.manufacturer-info__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    width: 100%;
}

@media (min-width: 768px) {
    .manufacturer-info__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 576px) {
    .manufacturer-info__grid {
        grid-template-columns: 1fr;
    }
}

.manufacturer-info__card {
    background: var(--color-white);
    border-radius: 4px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
    height: 100%;
}

.manufacturer-info__card:hover {
    transform: var(--animation-hover-lift);
}

/* Responsive Container Adjustments */
@media (min-width: 1200px) {
    .container {
        padding: 0 2rem;
    }
}

@media (max-width: 1199px) {
    .container {
        padding: 0 2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
}

/* References Section */
.references {
    background-color: var(--color-light);
}

.references__title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.references__description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--color-text);
}

.references__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .references__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.reference-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 4/3;
    transition: transform var(--transition-base);
}

.reference-item:hover {
    transform: var(--animation-hover-lift);
}

.reference-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.reference-item:hover img {
    transform: var(--animation-scale);
}

.reference-item__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: var(--color-overlay);
    color: var(--color-white);
}

.reference-item__overlay h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.reference-item__overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
    color: var(--color-white);
}

/* Accessibility Improvements */
a:focus-visible,
button:focus-visible {
    outline: var(--focus-outline-width) solid var(--focus-outline-color);
    outline-offset: var(--focus-outline-offset);
}

/* Print Styles */
@media print {
    .header,
    .footer {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    a {
        text-decoration: none;
        color: #000;
    }
    
    .container {
        width: 100%;
        max-width: none;
        padding: 0;
        margin: 0;
    }
}

/* Improve contrast for text on dark backgrounds */
.hero,
.section--cta,
.footer,
.parallax-section {
    color: var(--color-text-light);
}

.hero h1,
.hero h2,
.section--cta h2,
.footer h3 {
    color: var(--color-accent);
}

/* Ensure button contrast */
.button:not(.hamburger),
a.button:not(.hamburger),
button:not(.hamburger) {
    background: var(--color-accent);
    color: var(--color-primary);
    font-weight: 700;
}

/* Navigation hover effects */
.header__nav-link:hover {
    color: var(--color-primary-dark);
    background: rgba(41, 35, 92, 0.1);
    border-radius: var(--border-radius);
}

/* Fixed contact buttons hover */
.fixed-contact__button:hover {
    background: var(--color-accent-dark);
    color: var(--color-primary-dark);
    transform: var(--animation-hover-lift);
}

/* Footer link hover */
.footer a:hover {
    color: var(--color-accent-dark);
    text-decoration: underline;
}

/* Product Details */
.product-details {
    padding: var(--spacing-xl) 0;
    margin: var(--spacing-2xl) auto;
    max-width: 1200px;
}

/* Premium Product Spacing */
.premium-product {
    padding: var(--spacing-xl) 0;
    margin: var(--spacing-2xl) auto;
    max-width: 1200px;
}

.premium-product + .premium-product {
    margin-top: var(--spacing-3xl);
}

/* Footer List Style */
.footer .list {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Sub Footer */
.sub-footer {
    background-color: var(--color-primary-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-base) 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

.sub-footer p {
    margin: 0;
    font-size: 0.9rem;
}

.energy-app-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 1rem 0;
    position: relative;
}

.energy-app-card-icon i {
    font-size: 24px;
    color: var(--color-primary);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.energy-app-card-title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-accent);
    font-weight: 600;
    hyphens: auto;
    -webkit-hyphens: auto;
    -ms-hyphens: auto;
    word-break: break-word;
}

/* Feature Grid Section */
.feature-grid-section {
    background: linear-gradient(rgba(41, 35, 92, 0.95), rgba(41, 35, 92, 0.95)), url('../img/solaranlagen/PV-Anlage_Vlotho_Fullblack_13,49kWp (15).jpg') center/cover;
    color: white;
    position: relative;
}

.feature-grid-section .button-container {
    text-align: center;
    margin-top: 3rem;
}

.feature-grid-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../img/pattern.svg') repeat;
    opacity: 0.1;
    pointer-events: none;
}

.feature-grid-section .section-title {
    color: var(--color-accent);
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
    z-index: 1;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item h4 {
    color: var(--color-accent);
    font-size: 1.25rem;
    margin: 1rem 0;
}

.feature-item p {
    color: white;
    line-height: 1.6;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 2rem;
    color: var(--color-primary);
}

/* Stats Section */
.stats-section {
    background: linear-gradient(rgba(41, 35, 92, 0.95), rgba(41, 35, 92, 0.95)), url('../img/solaranlagen/Photovoltaikanlage_Bad_Salzuflen_Wüsten_10kWp (1).jpg') center/cover;
    color: white;
    position: relative;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../img/pattern.svg') repeat;
    opacity: 0.1;
    pointer-events: none;
}

.stats-section .section-title {
    color: var(--color-accent);
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.stat-item p {
    color: white;
    line-height: 1.6;
}

/* Split Section */
.split-section {
    background: white;
}

.split-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 768px) {
    .split-content {
        grid-template-columns: 1fr;
    }
}

.split-text {
    padding-right: 2rem;
}

.lead-text {
    font-size: 1.2rem;
    margin: 1.5rem 0;
}

.service-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.service-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.service-list i {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-right: 1rem;
    flex-shrink: 0;
}

.split-image img {
    width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.grid--3-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--container-spacing);
    margin: 1.5rem 0;
}

@media (max-width: 992px) {
    .grid--3-col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid--3-col {
        grid-template-columns: 1fr;
    }
}

#soluxtec-features,
#sma-features,
#aiko-features,
#ecoflow-inverter-features,
#ecoflow-storage-features,
#sma-home-storage-features {
    position: relative;
    padding: 4rem 0;
    background-color: var(--color-white);
    overflow: hidden;
}

#soluxtec-features::before,
#sma-features::before,
#aiko-features::before,
#ecoflow-inverter-features::before,
#ecoflow-storage-features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(41, 35, 92, 0.05) 0%, rgba(41, 35, 92, 0.1) 100%);
    z-index: 1;
}

#soluxtec-features .container,
#sma-features .container,
#aiko-features .container,
#ecoflow-inverter-features .container,
#ecoflow-storage-features .container,
#sma-home-storage-features .container {
    position: relative;
    z-index: 2;
}

/* Gallery Styles */
.gallery {
    padding: 4rem 0;
    background-color: var(--color-background);
}

.gallery__filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.gallery__filter {
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
    background: none;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.gallery__filter:hover,
.gallery__filter.active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(552px, 1fr));
    gap: 2rem;
    max-width: 1800px;
    margin: 0 auto;
}

.gallery__item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 552/414;
    width: 100%;
    height: auto;
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery__item:hover img {
    transform: scale(1.05);
}

.gallery__item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 2rem 1rem 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery__item:hover .gallery__item-overlay {
    transform: translateY(0);
}

.gallery__item-overlay h3 {
    color: var(--color-white);
    font-size: 1rem;
    margin: 0;
    text-align: center;
}

@media (max-width: 1200px) {
    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .gallery__grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1rem;
    }

    .gallery__item {
        aspect-ratio: 552/414;
    }
}

@media (max-width: 480px) {
    .gallery__grid {
        grid-template-columns: 1fr;
    }
}

.product-line {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.product-box {
    background: var(--color-white);
    border-radius: 8px;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.product-box__header {
    margin-bottom: var(--spacing-lg);
    min-height: 64px; /* Einheitliche Höhe für Headlines */
    display: flex;
    align-items: flex-start;
}

.product-box__title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
} 

/* Contact Form */
.contact-form {
    background: var(--color-white);
    padding: 3rem 0;
}

.form {
    max-width: 960px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 1.5rem;
}

@media (max-width: 768px) {
    .form {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group:has(textarea),
.form-group:has(select) {
    grid-column: 1 / -1;
}

.form-group--full {
    grid-column: 1 / -1;
}

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid;
}

.alert-success {
    background-color: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.alert h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}

.alert p {
    margin: 0;
}

/* Danke Seite */
.hero--danke {
    background: linear-gradient(135deg, var(--color-primary) 0%, #1a1a1a 100%);
    color: var(--color-white);
    text-align: center;
    padding: 4rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.hero--danke .container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100%;
}

.hero--danke .hero__content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.hero--danke h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.hero--danke .lead {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.hero__actions .button {
    height: auto;
    min-height: 3rem;
    padding: 0.75rem 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-2px);
}

.feature-card__icon {
    width: 4rem;
    height: 4rem;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--color-white);
    font-size: 1.5rem;
}

.feature-card h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
}

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

@media (max-width: 768px) {
    .hero--danke h1 {
        font-size: 2rem;
    }
    
    .hero__actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero__actions .button {
        width: 100%;
        max-width: 300px;
    }
}

.form label {
    font-weight: 600;
    color: var(--color-primary);
}

.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form input[type="number"],
.form select,
.form textarea {
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
    background: #fff;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    line-height: 1.4;
}

/* Keep borders subtle on hover */
.form input:hover,
.form select:hover,
.form textarea:hover {
    border-color: var(--color-border);
}

/* Slightly darker on focus, no glow */
.form input:focus,
.form select:focus,
.form textarea:focus {
    outline: none;
    box-shadow: none;
    border-color: #c9c9c9;
}

.form textarea {
    min-height: 140px;
    resize: vertical;
}

.checkbox-container {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--color-text);
}

.checkbox-container input[type="checkbox"] {
    accent-color: var(--color-primary);
    width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.2rem;
}

.form .button,
.form button[type="submit"] {
    grid-column: 1 / -1;
    margin-top: 0.5rem;
    justify-self: start;
}

/* Simple invalid state (native) */
.form input:invalid,
.form select:invalid,
.form textarea:invalid {
    border-color: #bdbdbd; /* neutral gray, minimal & unobtrusive */
}

/* Legal paragraph spans full width */
.form .form-group p {
    grid-column: 1 / -1;
    margin-top: 0.25rem;
}

/* SMA Texte - normale, lesbare Schriftfarbe */
.premium-section .hero__text {
    color: #333333 !important;
    font-size: 1rem;
    line-height: 1.6;
}

/* SMA Bilder - 400px anzeigen */
.premium-section .hero__image img {
    max-height: 400px;
    width: auto;
}