/* Dark Reader Protection - Prevent Dark Reader from modifying the page */
html {
    color-scheme: light dark;
}

/* Dark Reader Protection - Aggressively block Dark Reader's filters */
/* Dark Reader injects filters on html/body, we need to override them */
html,
body {
    filter: none !important;
    -webkit-filter: none !important;
    -moz-filter: none !important;
}

/* Prevent Dark Reader from modifying background images */
.hero {
    filter: none !important;
    -webkit-filter: none !important;
    -moz-filter: none !important;
}

/* Prevent Dark Reader from inverting images */
img,
picture,
svg {
    filter: none !important;
    -webkit-filter: none !important;
    -moz-filter: none !important;
}

/* Block Dark Reader's inline style modifications */
*[data-darkreader-mode],
*[data-darkreader-inline-bgcolor],
*[data-darkreader-inline-color],
*[data-darkreader-inline-border],
*[data-darkreader-inline-outline] {
    filter: none !important;
    -webkit-filter: none !important;
    -moz-filter: none !important;
}

/* Font Face: Inter (self-hosted Variable Font, wie frostforge.org - keine externen Requests) */
@font-face {
    font-family: 'Inter';
    src: url('data/fonts/inter-latin.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

/* Suppress font loading warnings in console */
/* These warnings are from font file structure and don't affect functionality */

/* CSS Variables - Frostforge-Designsystem (dark-only, nachgebaut von frostforge.org).
   Gleiche Werte für :root und beide data-theme, damit die Seite immer dark ist. */
:root,
[data-theme="dark"],
[data-theme="light"] {
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
    --radius: 8px;
    --radius-lg: 12px;

    --bg-primary: #111318;
    --bg-secondary: #1a1d27;
    --bg-tertiary: #252838;
    --bg-inset: #0d0f14;
    --text-primary: #ffffff;
    --text-secondary: #c9cdd6;
    --text-tertiary: #8b8fa3;
    --text-faint: #6b7084;
    --accent-primary: #4c7dff;
    --accent-secondary: #6f9bff;
    --accent-hover: #3f6ae0;
    --accent-light: #9db8ff;
    --border-color: #2e3140;
    --border-hover: #3d4156;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.55);
    --gradient-primary: linear-gradient(135deg, #4c7dff 0%, #6f9bff 100%);
    --gradient-secondary: linear-gradient(135deg, #4c7dff 0%, #6f9bff 100%);
}

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

/* Scrollbar - portiert von frostforge/website (globals.css) */
* {
    scrollbar-width: thin;
    scrollbar-color: #2e3140 transparent;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #2e3140;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4a4e5c;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    /* Prevent any purple/lila shimmer during load */
    overflow-x: hidden;
    min-height: 100vh;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    position: relative;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-primary);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 4px 0;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* Headings: clean sans, tight tracking (minimal/technical) */
h1, h2, h3, h4, h5, h6,
.hero-title,
.section-title,
.service-title,
.api-benefit h4,
.advantage-card h3,
.impressum-item h3,
.team-name,
.story-title,
.footer-heading {
    font-family: var(--font-sans);
    letter-spacing: -0.02em;
}

html {
    scroll-padding-top: 80px;
    background-color: var(--bg-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
    background-color: transparent;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(17, 19, 24, 0.8);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background-color 0.3s ease;
}

[data-theme="dark"] .navbar {
    background-color: rgba(17, 19, 24, 0.8);
}

.nav-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 2rem;
    padding: 1.25rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo a {
    display: inline-block;
    text-decoration: none;
}

.logo-img,
.logo-img img,
picture.logo-img img {
    height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

picture.logo-img {
    display: inline-block;
}

.logo-dark,
picture.logo-dark {
    display: none;
}

picture.logo-dark img {
    display: block;
}

[data-theme="dark"] .logo-light,
[data-theme="dark"] picture.logo-light {
    display: none;
}

[data-theme="dark"] picture.logo-dark {
    display: inline-block;
}

[data-theme="dark"] .logo-dark {
    display: block;
}


.nav-menu {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.35rem;
}

.nav-link {
    color: var(--text-tertiary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.18s ease, background-color 0.18s ease;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius);
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.nav-link[aria-current="page"] {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.nav-controls {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-content: flex-end;
}

/* Language Toggle Switch */
.lang-toggle-checkbox {
    width: 0;
    height: 0;
    visibility: hidden;
    position: absolute;
}

.lang-toggle-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    height: 36px;
    padding: 0 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-tertiary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: color 0.18s ease, border-color 0.18s ease;
}

.lang-toggle-label:hover {
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.lang-toggle-label .lang-globe {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.lang-toggle-label .lp-en {
    display: none;
}

.lang-toggle-checkbox:checked + .lang-toggle-label .lp-de {
    display: none;
}

.lang-toggle-checkbox:checked + .lang-toggle-label .lp-en {
    display: inline;
}

/* Primary CTA-Button (wie Frostforge Login-Button) */
.nav-cta {
    display: inline-flex;
    align-items: center;
    height: 36px;
    padding: 0 1.1rem;
    border-radius: var(--radius);
    background: var(--accent-primary);
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.18s ease;
}

.nav-cta:hover {
    background: var(--accent-hover);
}

.lang-flag {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: opacity 0.3s ease;
    pointer-events: none;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.lang-flag svg {
    width: 20px;
    height: 14px;
    border-radius: 2px;
}

.lang-flag.lang-de {
    opacity: 1;
}

.lang-flag.lang-en {
    opacity: 0.6;
}

.lang-toggle-checkbox:checked + .lang-toggle-label .lang-de {
    opacity: 0.6;
}

.lang-toggle-checkbox:checked + .lang-toggle-label .lang-en {
    opacity: 1;
}


.lang-toggle-label:hover {
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.15);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 6rem 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    opacity: 0;
    animation: none;
    transition: opacity 0.5s ease;
    /* Only show after page is fully loaded */
    pointer-events: none;
    /* Ensure it's hidden by default - prevent shimmer on hard reload */
    visibility: hidden;
}

/* Show hero gradient only after page is loaded */
body.loaded .hero::before {
    opacity: 0.05;
    animation: pulse 20s ease-in-out infinite;
    visibility: visible;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.05; }
    50% { transform: scale(1.1); opacity: 0.1; }
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    line-height: 1.05;
    color: var(--text-primary);
}

/* Gradient-Highlight für ein Wort/eine Zeile im Hero-Titel (wie Frostforge) */
.hero-title .hl {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-tertiary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.12s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    line-height: 1;
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.btn-secondary:active {
    transform: translateY(1px);
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: var(--bg-primary);
    min-height: 100vh;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: stretch;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    z-index: 5;
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(76, 125, 255, 0.2);
    border-color: var(--accent-primary);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:active {
    transform: translateY(-3px) scale(1.01);
    transition: transform 0.1s ease;
}

    .service-icon {
        width: 221px;
        flex-shrink: 0;
        height: 450px;
        object-fit: cover;
        object-position: center center;
        display: block;
        align-self: stretch;
    }

    @media (max-width: 768px) {
        .service-card {
            flex-direction: column;
            overflow: visible;
            display: flex;
        }

        .service-card.featured {
            flex-direction: column !important;
        }

        .service-card.featured .service-icon {
            order: 1 !important;
            width: 100% !important;
            height: 180px !important;
            object-fit: cover !important;
            flex-shrink: 0 !important;
        }

        .service-card.featured .service-content {
            order: 2 !important;
            flex: 1 !important;
            min-height: auto !important;
            display: flex !important;
            flex-direction: column !important;
            padding: 1.25rem !important;
            visibility: visible !important;
            opacity: 1 !important;
        }

        .service-icon {
            width: 100%;
            height: 180px;
            object-fit: cover;
            flex-shrink: 0;
            order: 1;
        }

        .service-content {
            flex: 1;
            min-height: auto;
            display: flex;
            flex-direction: column;
            order: 2;
            padding: 1.25rem;
            visibility: visible !important;
            opacity: 1 !important;
        }

        .service-title {
            padding: 0;
            visibility: visible !important;
            opacity: 1 !important;
        }

        .service-description {
            padding: 0;
            visibility: visible !important;
            opacity: 1 !important;
        }

        .service-features {
            padding: 0;
            visibility: visible !important;
            opacity: 1 !important;
        }
    }

.service-card.featured {
    flex-direction: row-reverse;
}

.service-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-self: stretch;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    padding: 1.5rem 1.5rem 0.5rem 1.5rem;
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.6;
    padding: 0 1.5rem;
    font-size: 0.95rem;
}

.service-features {
    list-style: none;
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.service-features li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

/* .service-card.featured - No special styling needed */


/* API Integration Section */
.api-integration {
    padding: 6rem 0;
    background: var(--bg-secondary);
    min-height: 100vh;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
}

.api-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.api-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.api-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.api-benefit {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--bg-primary);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.api-benefit:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(76, 125, 255, 0.15);
    border-color: var(--accent-primary);
}

.api-benefit:active {
    transform: translateY(-3px) scale(1.01);
    transition: transform 0.1s ease;
}

.api-benefit:hover .api-icon-img {
    transform: scale(1.15);
    transition: transform 0.3s ease;
}

.api-benefit-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.api-icon-img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.api-benefit h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

/* AI Advantages Section */
.ai-advantages {
    padding: 6rem 0;
    background: var(--bg-secondary);
    min-height: 100vh;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.advantage-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(76, 125, 255, 0.15);
    border-color: var(--accent-primary);
}

.advantage-card:active {
    transform: translateY(-3px) scale(1.01);
    transition: transform 0.1s ease;
}

.advantage-card:hover .advantage-icon-img {
    transform: scale(1.1) rotate(5deg);
    transition: transform 0.3s ease;
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.advantage-icon-img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.advantage-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

/* Calculator Section */
.calculator {
    padding: 2rem 0;
    background: var(--bg-primary);
    min-height: 100vh;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    min-height: 100vh;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
    margin-top: 0;
    margin-bottom: 0;
    background-color: var(--bg-primary);
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
    text-align: left;
}

.contact-form-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.contact-info-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.form-title,
.info-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: center;
}

/* Contact Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(76, 125, 255, 0.1);
}

/* Validation States */
.form-group input.valid,
.form-group textarea.valid {
    border-color: #10b981 !important;
    border-width: 2px;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2), 0 0 0 1px rgba(16, 185, 129, 0.1);
    background-color: rgba(16, 185, 129, 0.05);
}

.form-group input.valid:focus,
.form-group textarea.valid:focus {
    border-color: #10b981 !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3), 0 0 0 1px rgba(16, 185, 129, 0.2);
}

.form-group input.invalid,
.form-group textarea.invalid {
    border-color: #ef4444 !important;
    border-width: 2px;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2), 0 0 0 1px rgba(239, 68, 68, 0.1);
    background-color: rgba(239, 68, 68, 0.05);
}

.form-group input.invalid:focus,
.form-group textarea.invalid:focus {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.3), 0 0 0 1px rgba(239, 68, 68, 0.2);
}

[data-theme="dark"] .form-group input.valid,
[data-theme="dark"] .form-group textarea.valid {
    border-color: #10b981 !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25), 0 0 0 1px rgba(16, 185, 129, 0.15);
    background-color: rgba(16, 185, 129, 0.1);
}

[data-theme="dark"] .form-group input.valid:focus,
[data-theme="dark"] .form-group textarea.valid:focus {
    border-color: #10b981 !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.35), 0 0 0 1px rgba(16, 185, 129, 0.25);
}

[data-theme="dark"] .form-group input.invalid,
[data-theme="dark"] .form-group textarea.invalid {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25), 0 0 0 1px rgba(239, 68, 68, 0.15);
    background-color: rgba(239, 68, 68, 0.1);
}

[data-theme="dark"] .form-group input.invalid:focus,
[data-theme="dark"] .form-group textarea.invalid:focus {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.35), 0 0 0 1px rgba(239, 68, 68, 0.25);
}

/* Field Error Message */
.field-error {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
    animation: slideDown 0.3s ease;
}

.field-error.show {
    display: block;
}

[data-theme="dark"] .field-error {
    color: #f87171;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading State for Buttons */
.btn.loading,
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
    pointer-events: none;
}

.btn.loading::after,
.btn:disabled::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    top: 50%;
    left: 50%;
    margin-left: -9px;
    margin-top: -9px;
    border: 2.5px solid currentColor;
    border-top-color: transparent;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn.loading {
    color: transparent;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Page Load Progress Bar - REMOVED - No longer used */

/* Error 404 Section Styles */
.error-404 {
    margin-top: 80px;
    padding-top: 6rem;
    padding-bottom: 4rem;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-secondary) 0%,
        var(--bg-tertiary) 50%,
        var(--bg-secondary) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 0.5rem;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 2rem;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-card {
    padding: 2rem;
    border-radius: 1rem;
    background: var(--bg-secondary);
}

/* Fade-in Animation
   .pre-fade wird ausschließlich per JavaScript auf Elemente UNTERHALB des
   Viewports gesetzt (siehe initializeScrollAnimations) - ohne JS bleibt
   deshalb alles sichtbar. Beim Hereinscrollen ersetzt .fade-in die Klasse. */
.pre-fade {
    opacity: 0;
}

.fade-in {
    animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    max-width: 500px;
    animation: slideInRight 0.3s ease-out;
    font-weight: 500;
}

.toast.success {
    background: #10b981;
    color: white;
}

.toast.error {
    background: #ef4444;
    color: white;
}

.toast.info {
    background: var(--accent-primary);
    color: white;
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-close {
    margin-left: auto;
    background: none;
    border: none;
    color: currentColor;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-close:hover {
    opacity: 1;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.hiding {
    animation: slideOutRight 0.3s ease-in forwards;
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

[data-theme="dark"] .toast.success {
    background: rgba(16, 185, 129, 0.9);
}

[data-theme="dark"] .toast.error {
    background: rgba(239, 68, 68, 0.9);
}

[data-theme="dark"] .skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-secondary) 0%,
        var(--bg-tertiary) 50%,
        var(--bg-secondary) 100%
    );
    background-size: 200% 100%;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(76, 125, 255, 0.5);
}

.scroll-to-top:active {
    transform: translateY(-2px) scale(1.05);
    transition: transform 0.1s ease;
}

.scroll-to-top:focus {
    outline: 3px solid rgba(76, 125, 255, 0.5);
    outline-offset: 2px;
}

/* Enhanced focus styles for better accessibility */
*:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Skip focus outline for mouse users, keep for keyboard */
.js-focus-visible *:focus:not(.focus-visible) {
    outline: none;
}

@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }
}

/* Smooth Icon Animation */
.scroll-to-top::before {
    content: '↑';
    display: block;
}

/* Breadcrumbs */
.breadcrumbs {
    margin-top: 80px;
    padding: 0.5rem 0;
    background-color: var(--bg-primary);
    margin-bottom: 0;
    border: none;
    border-bottom: none;
}

.breadcrumbs + section,
.breadcrumbs + .contact,
.breadcrumbs + .impressum,
.breadcrumbs + .datenschutz {
    margin-top: 0 !important;
    padding-top: 0;
}

/* Remove any black bars or separators */
.breadcrumbs::after,
.breadcrumbs::before,
section::before,
.contact::before,
.impressum::before,
.datenschutz::before {
    display: none !important;
    content: none !important;
    background: none !important;
}

.breadcrumbs ol {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.breadcrumbs li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.breadcrumbs a:hover {
    color: var(--accent-primary);
}

.breadcrumbs li[aria-current="page"] span {
    color: var(--text-primary);
    font-weight: 500;
}

.breadcrumbs li[aria-hidden="true"] {
    color: var(--text-tertiary);
    user-select: none;
}

@media (max-width: 768px) {
    .breadcrumbs {
        margin-top: 70px;
        padding: 0.75rem 0;
    }
    
    .breadcrumbs ol {
        font-size: 0.85rem;
    }
}

/* Tab Button Animations */
.tab-button {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tab-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.tab-button:hover::before {
    left: 100%;
}

.tab-button:hover:not(.active) {
    transform: translateY(-2px);
    background: var(--bg-tertiary);
    box-shadow: var(--shadow-sm);
}

.tab-button:active {
    transform: translateY(0) scale(0.98);
    transition: transform 0.1s ease;
}

.tab-button.active {
    position: relative;
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

/* Link Hover Effects */
a:not(.btn):not(.nav-link):not(.footer-link):not(.cookie-banner-link):not(.toast-close) {
    transition: color 0.2s ease;
    position: relative;
}

a:not(.btn):not(.nav-link):not(.footer-link):not(.cookie-banner-link):not(.toast-close):hover {
    color: var(--accent-primary);
}

/* Frostforge-Stil: keine Unterstrich-Animation (Nav nutzt Pill-Hover) */

/* Icon Animations */
.service-icon,
.api-icon-img,
.advantage-icon-img {
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group .btn {
    margin-top: 0.5rem;
}

.form-message {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
    display: none;
    text-align: center;
    font-weight: 500;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
    display: block;
}

[data-theme="dark"] .form-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

[data-theme="dark"] .form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* Contact Info Styles */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.contact-item-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-secondary);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-item-card:hover {
    transform: translateX(5px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: 50%;
    border: 2px solid var(--border-color);
}

.contact-item-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.contact-item-content strong {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-item-content a {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
    font-weight: 500;
}

.contact-item-content a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.contact-item-content span {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.contact-additional-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.additional-info-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.additional-info-text {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.calculator-container {
    max-width: 1000px;
    margin: 0 auto;
}

.section-subtitle {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

/* Calculator Tabs */
.calculator-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
}

.tab-button {
    padding: 0.875rem 1.75rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    bottom: -2px;
    font-family: inherit;
    border-radius: 0.5rem 0.5rem 0 0;
}

.tab-button:hover {
    color: var(--accent-primary);
    background: var(--bg-secondary);
}

.tab-button.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    background: var(--bg-secondary);
}

/* Model Info */
.model-info {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.25rem;
    margin-bottom: 1rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border-color);
    border-radius: 0.875rem;
    transition: all 0.3s ease;
    text-align: center;
}

.info-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(76, 125, 255, 0.05) 100%);
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
}

.info-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

/* Calculator Recommendation */
.calculator-recommendation {
    background: #d1fae5;
    border: 2px solid #10b981;
    border-radius: 0.75rem;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

[data-theme="dark"] .calculator-recommendation {
    background: rgba(16, 185, 129, 0.1);
    border-color: #10b981;
}

.recommendation-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.recommendation-text {
    color: #065f46;
    font-weight: 500;
    flex: 1;
}

[data-theme="dark"] .recommendation-text {
    color: #6ee7b7;
}

/* Calculator Warning */
.calculator-warning {
    background: #fef3c7;
    border: 2px solid #f59e0b;
    border-radius: 0.75rem;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

[data-theme="dark"] .calculator-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: #f59e0b;
}

.warning-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.warning-text {
    color: #92400e;
    font-weight: 500;
    flex: 1;
}

[data-theme="dark"] .warning-text {
    color: #fbbf24;
}

/* Calculator Basis Info */
.calculator-basis-info {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.basis-text {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    text-align: center;
    font-style: italic;
}

.input-hint {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
    font-style: italic;
}

.calculator-inputs {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group:last-child {
    margin-bottom: 0;
}

.input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.slider-value {
    min-width: 70px;
    text-align: right;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--accent-primary);
}

.slider {
    flex: 1;
    height: 8px;
    border-radius: 4px;
    background: var(--bg-tertiary);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.1);
}

.calculator-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.result-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.25rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.result-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.result-card.highlight {
    border: 2px solid var(--accent-primary);
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(76, 125, 255, 0.05) 100%);
}

.result-card.savings {
    border: 2px solid #10b981;
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.result-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    transition: transform 0.3s ease, opacity 0.3s ease;
    display: inline-block;
}

.result-value.updating {
    transform: scale(1.05);
    opacity: 0.8;
}

.result-card.highlight .result-value {
    color: var(--accent-primary);
}

.result-card.savings .result-value {
    color: #10b981;
}

.result-note {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    line-height: 1.4;
}

.result-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
    font-style: italic;
    line-height: 1.3;
}

/* Impressum, Datenschutz Sections */
.impressum,
.datenschutz {
    margin-top: 0;
    margin-bottom: 0;
    padding: 4rem 0;
    min-height: 100vh;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-primary);
}

.datenschutz .section-title,
.impressum .section-title {
    margin-top: 2rem;
}

.impressum-content,
.datenschutz-content {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.impressum-item {
    margin-bottom: 2rem;
}

.impressum-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.impressum-item p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

/* Team Grid */
.team-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.team-member {
    flex: 0 1 240px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.team-photo,
picture .team-photo,
picture img.team-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 3px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    display: block;
}

picture {
    display: inline-block;
}

.team-photo:hover,
picture:hover .team-photo {
    transform: scale(1.05);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
}

.team-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.team-role {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Company Story */
.company-story {
    max-width: 900px;
    margin: 4rem auto 0;
    padding: 3rem;
    padding-top: 4rem;
    border-top: 2px solid transparent;
    background: linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
                var(--gradient-primary) border-box;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.story-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
    text-align: center;
}

.story-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.story-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    text-align: justify;
}

.datenschutz-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
    font-size: 1.05rem;
}

.datenschutz-intro {
    font-style: italic;
    color: var(--text-tertiary);
    margin-bottom: 2rem;
}

.datenschutz-heading {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.datenschutz-subheading {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.datenschutz-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.datenschutz-content ul li {
    margin-bottom: 0.5rem;
}

.datenschutz-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--bg-inset);
    padding: 3.5rem 0 1.75rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto 2.5rem auto;
}

.footer-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    min-width: 0;
}

.footer-logo,
.footer-logo img,
picture.footer-logo img {
    height: 45px;
    width: auto;
    object-fit: contain;
    margin-bottom: 1rem;
    display: block;
}

picture.footer-logo {
    display: inline-block;
}

.footer-logo.logo-dark,
picture.footer-logo.logo-dark {
    display: none;
}

picture.footer-logo.logo-dark img {
    display: block;
}

[data-theme="dark"] .footer-logo.logo-light,
[data-theme="dark"] picture.footer-logo.logo-light {
    display: none;
}

[data-theme="dark"] .footer-logo.logo-dark,
[data-theme="dark"] picture.footer-logo.logo-dark {
    display: inline-block;
}

.footer-section:first-child {
    align-items: flex-start;
}

.footer-section:first-child .footer-text {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-heading {
    font-size: 0.72rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-tertiary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: left;
}

.footer-section:nth-child(2) .footer-text,
.footer-section:nth-child(3) .footer-text,
.footer-section:nth-child(4) .footer-text {
    color: var(--text-faint);
    margin-bottom: 0.4rem;
    line-height: 1.5;
    font-size: 0.875rem;
    text-align: left;
}

.footer-social {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    width: 100%;
}

.footer-social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-social-link:hover {
    color: var(--accent-primary);
}

.footer-social-link svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    flex-shrink: 0;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    line-height: 1.5;
    font-size: 0.875rem;
    transition: color 0.3s ease;
    text-align: center;
    width: 100%;
}

.footer-text:last-child {
    margin-bottom: 0;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--accent-primary);
}

.footer-separator {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.footer-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-badge {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    background: var(--bg-secondary);
    border-radius: 0.25rem;
    border: 1px solid var(--border-color);
}

.footer-copyright {
    color: #4a4e5c;
    font-size: 0.78rem;
    margin: 0;
}

.footer-madein {
    color: #4a4e5c;
    font-size: 0.78rem;
}

/* Brand-Spalte + Spalten-Helfer (Frostforge-Stil) */
.footer-wordmark {
    display: inline-block;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 0.9rem;
    color: var(--text-primary);
}

.footer-tagline {
    color: var(--text-faint);
    font-size: 0.85rem;
    line-height: 1.6;
    max-width: 22rem;
}

.footer-parent {
    font-size: 0.8rem;
    color: var(--text-faint);
    margin-top: 0.9rem;
}

.footer-parent a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
}

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

.footer-contact-line {
    color: var(--text-faint);
    font-size: 0.8rem;
    line-height: 1.8;
    margin-top: 0.9rem;
}

.footer-contact-line a {
    color: var(--text-faint);
    text-decoration: none;
    transition: color 0.18s ease;
}

.footer-contact-line a:hover {
    color: var(--text-primary);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    align-items: flex-start;
}

.footer-nav .footer-link,
.footer-link {
    color: var(--text-faint);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.18s ease;
}

.footer-nav .footer-link:hover,
.footer-link:hover {
    color: var(--text-primary);
}

.footer-trust {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.footer-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-faint);
    font-size: 0.8rem;
}

.footer-trust-item svg {
    width: 14px;
    height: 14px;
    color: #10b981;
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 560px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-menu.active {
    max-height: 500px;
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    padding: 1rem 0;
    gap: 0;
}

.mobile-menu-nav .nav-link {
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: block;
    font-size: 1rem;
}

.mobile-menu-nav .nav-link:last-child {
    border-bottom: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }

    .container {
        padding: 0 1rem;
    }
    
    .navbar {
        padding: 0;
    }

    .nav-content {
        grid-template-columns: auto 1fr auto;
        gap: 1rem;
        padding: 1rem 0;
    }
    
    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-controls {
        justify-content: flex-end;
        gap: 0.5rem;
    }

    .mobile-menu {
        display: block;
    }

    .logo-img {
        height: 32px;
    }

    /* Hero Section */
    .hero {
        padding: 3rem 0 4rem 0;
        min-height: calc(100vh - 70px);
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
        margin-bottom: 1rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: clamp(1rem, 4vw, 1.1rem);
        margin-bottom: 2rem;
        padding: 0 0.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        padding: 0 1rem;
    }

    .btn {
        width: 100%;
        text-align: center;
        padding: 1rem 1.5rem;
        font-size: 1rem;
        min-height: 48px; /* Touch target size */
    }

    /* Sections */
    .services,
    .api-integration,
    .ai-advantages,
    .calculator {
        padding: 3rem 0;
        min-height: auto;
    }

    .section-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
        margin-bottom: 1.5rem;
    }

    .section-subtitle {
        font-size: clamp(0.95rem, 3vw, 1.1rem);
        margin-bottom: 2rem;
        padding: 0 0.5rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-card {
        padding: 0;
        overflow: visible;
        display: flex;
        flex-direction: column;
    }

    .service-card.featured {
        flex-direction: column !important;
    }

    .service-card.featured .service-icon {
        order: 1 !important;
    }

    .service-card.featured .service-content {
        order: 2 !important;
    }

    .service-icon {
        height: 180px;
        width: 100%;
        object-fit: cover;
        flex-shrink: 0;
        order: 1;
    }

    .service-content {
        padding: 1.25rem;
        display: flex;
        flex-direction: column;
        min-height: auto;
        order: 2;
        flex: 1;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .service-title {
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
        padding: 0;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .service-description {
        font-size: 0.9rem;
        line-height: 1.6;
        padding: 0;
        margin-bottom: 0.75rem;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .service-features {
        padding: 0;
        margin-top: 0.5rem;
        visibility: visible !important;
        opacity: 1 !important;
    }

    /* Calculator */
    .calculator {
        padding: 2rem 0;
    }

    .calculator-inputs {
        padding: 1.25rem;
    }

    .calculator-tabs {
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1.5rem;
    }

    .tab-button {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
        flex: 1;
        min-width: 0;
    }

    .slider-container {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .slider-value {
        text-align: left;
        font-size: 1rem;
    }

    .input-group {
        margin-bottom: 1.25rem;
    }

    .input-group label {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    .input-group input {
        font-size: 1rem;
        padding: 0.875rem;
        min-height: 48px;
    }

    .calculator-results {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 1.5rem;
    }

    .result-card {
        padding: 1.25rem;
    }

    .result-label {
        font-size: 0.85rem;
    }

    .result-value {
        font-size: 1.5rem;
    }
    
    .result-value.updating {
        transform: scale(1.05);
    }

    .model-info {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1.25rem;
        font-size: 0.85rem;
    }

    .info-item {
        padding: 0.75rem;
    }

    .info-value {
        font-size: 1.1rem;
    }

    /* API Integration */
    .api-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 0.5rem;
    }

    .api-description {
        font-size: clamp(0.95rem, 3vw, 1.05rem);
        margin-bottom: 2rem;
        padding: 0 0.5rem;
    }

    .api-benefits {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        margin-top: 2rem;
    }

    .api-benefit {
        padding: 1.5rem 1.25rem;
    }

    .api-benefit h4 {
        font-size: 1.1rem;
    }

    .api-benefit p {
        font-size: 0.9rem;
    }

    .api-icon-img {
        width: 48px;
        height: 48px;
    }

    /* Advantages */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .advantage-card {
        padding: 1.5rem 1.25rem;
    }

    .advantage-card h3 {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }

    .advantage-card p {
        font-size: 0.9rem;
    }

    .advantage-icon-img {
        width: 48px;
        height: 48px;
    }

    /* Footer */
    .footer {
        padding: 3rem 0 2rem 0;
    }

    .footer-logo {
        height: 35px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        justify-items: center;
    }

    .footer-section {
        align-items: center;
    }

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

    .footer-text {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }

    .footer-badges {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }

    /* Contact Page */
    .contact {
        padding: 3rem 0;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-form-container,
    .contact-info-container {
        padding: 1.25rem;
    }

    .form-title,
    .info-title {
        font-size: 1.25rem;
        margin-bottom: 1.5rem;
    }

    .form-group {
        gap: 0.5rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.875rem;
        font-size: 1rem;
        min-height: 48px;
    }

    .form-group textarea {
        min-height: 120px;
    }

    .contact-item-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .team-grid {
        gap: 2rem;
    }

    .team-photo {
        width: 150px;
        height: 150px;
    }

    .team-name {
        font-size: 1.25rem;
        margin-top: 1rem;
    }

    .team-role {
        font-size: 0.9rem;
    }

    .company-story {
        padding: 1.5rem;
        margin-top: 2rem;
    }

    .story-title {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .story-content p {
        font-size: 0.95rem;
        line-height: 1.7;
        margin-bottom: 1rem;
    }

    /* Impressum & Datenschutz */
    .impressum,
    .datenschutz {
        padding: 3rem 0;
        margin-top: 70px;
    }

    .impressum-item,
    .datenschutz-content {
        padding: 1.5rem 0;
    }

    .impressum-item h3,
    .datenschutz-heading {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .impressum-item p,
    .datenschutz-content p {
        font-size: 0.9rem;
        line-height: 1.7;
        margin-bottom: 0.75rem;
    }

    /* Scroll Snap für Mobile anpassen */
    html {
        scroll-snap-type: none; /* Deaktiviert auf Mobile für besseres Scrolling */
    }

    section {
        scroll-snap-align: none;
    }
}

/* Extra Small Devices */
@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.95rem;
    }

    .calculator-tabs {
        gap: 0.25rem;
    }

    .tab-button {
        padding: 0.625rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* Cookie Consent Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 9999;
    padding: 1.5rem 0;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.cookie-banner-text {
    flex: 1;
    min-width: 300px;
}

.cookie-banner-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.cookie-banner-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.cookie-banner-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.cookie-banner-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.cookie-banner-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    white-space: nowrap;
}

.cookie-btn-accept {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.cookie-btn-accept:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-md), 0 0 15px rgba(76, 125, 255, 0.4);
}

.cookie-btn-accept:active {
    transform: translateY(-1px) scale(1.02);
    transition: transform 0.1s ease;
}

.cookie-btn-reject {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.cookie-btn-reject:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    transform: translateY(-2px) scale(1.03);
    box-shadow: var(--shadow-sm);
}

.cookie-btn-reject:active {
    transform: translateY(0) scale(1.01);
    transition: transform 0.1s ease;
}

.cookie-btn-settings {
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}

.cookie-btn-settings:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
}

.cookie-btn-settings:active {
    transform: translateY(0) scale(1.02);
    transition: transform 0.1s ease;
}

.cookie-btn-save {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
    width: 100%;
    margin-top: 1rem;
}

.cookie-btn-save:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-md), 0 0 15px rgba(76, 125, 255, 0.4);
}

.cookie-btn-save:active {
    transform: translateY(-1px) scale(1.02);
    transition: transform 0.1s ease;
}

/* Cookie Settings Panel */
.cookie-settings-panel {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    max-height: 0;
    overflow: hidden;
    padding: 0 2rem;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
}

.cookie-settings-panel.show {
    max-height: 1000px;
    padding: 1.5rem 2rem;
    opacity: 1;
}

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

.cookie-settings-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.cookie-category {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
}

.cookie-category-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.cookie-category-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.cookie-category-checkbox {
    width: 20px;
    height: 20px;
    margin-right: 0.75rem;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.cookie-category-checkbox:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.cookie-category-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.cookie-category-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-left: 2.75rem;
    line-height: 1.4;
}

/* Responsive Cookie Banner */
@media (max-width: 768px) {
    .cookie-banner-content {
        flex-direction: column;
        align-items: stretch;
    }

    .cookie-banner-buttons {
        flex-direction: column;
    }

    .cookie-btn {
        width: 100%;
    }

    .cookie-settings-panel {
        padding: 1rem;
    }

    .cookie-category-description {
        margin-left: 0;
        margin-top: 0.5rem;
    }
}

/* Smooth Transitions */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Loading Skeletons */
.skeleton {
    background: linear-gradient(90deg, 
        var(--bg-secondary) 0%, 
        var(--bg-tertiary) 50%, 
        var(--bg-secondary) 100%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

[data-theme="dark"] .skeleton {
    background: linear-gradient(90deg, 
        var(--bg-secondary) 0%, 
        var(--bg-tertiary) 50%, 
        var(--bg-secondary) 100%);
    background-size: 200% 100%;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1em;
    margin: 0.25em 0;
}

.skeleton-text:last-child {
    width: 60%;
}

.skeleton-card {
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.skeleton-button {
    height: 2.5rem;
    width: 120px;
    border-radius: 6px;
}

.skeleton-input {
    height: 2.5rem;
    border-radius: 6px;
}

.skeleton-result-value {
    height: 3rem;
    width: 150px;
    margin: 0.5rem auto;
    border-radius: 6px;
}

/* Calculator Skeleton */
.calculator-skeleton {
    display: none;
}

.calculator-skeleton.active {
    display: block;
}

.calculator-skeleton .skeleton-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.calculator-skeleton .skeleton-tab {
    flex: 1;
    height: 3rem;
    border-radius: 8px;
}

.calculator-skeleton .skeleton-input-group {
    margin-bottom: 1.5rem;
}

.calculator-skeleton .skeleton-label {
    height: 1.2rem;
    width: 200px;
    margin-bottom: 0.5rem;
}

.calculator-skeleton .skeleton-input {
    height: 3rem;
}

.calculator-skeleton .skeleton-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.calculator-skeleton .skeleton-result-card {
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Form Skeleton */
.form-skeleton {
    display: none;
}

.form-skeleton.active {
    display: block;
}

.form-skeleton .skeleton-form-group {
    margin-bottom: 1.5rem;
}

.form-skeleton .skeleton-label {
    height: 1.2rem;
    width: 150px;
    margin-bottom: 0.5rem;
}

.form-skeleton .skeleton-textarea {
    height: 8rem;
    border-radius: 6px;
}

/* View Transitions API */
@supports (view-transition-name: none) {
    ::view-transition-old(root),
    ::view-transition-new(root) {
        animation-duration: 0.3s;
        animation-timing-function: ease-in-out;
    }
    
    /* Smooth page transitions */
    html {
        view-transition-name: root;
    }
    
    /* Smooth navigation transitions */
    .nav-link {
        view-transition-name: none;
    }
    
    /* Calculator result transitions */
    .result-value {
        view-transition-name: none;
    }
}

/* ============================================================
   Logo-Wortmarke + Lockup (Frostforge-Stil, identisch zu den
   Schwester-Seiten frostphone/phonitylabs). Text-Wortmarke als
   Platzhalter, bis ein echtes Frostforge-Logo vorliegt.
   ============================================================ */
.logo-wordmark {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1;
    color: var(--text-primary);
}
.footer-wordmark {
    display: inline-block;
    font-size: 1.7rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 1rem;
    color: var(--text-primary);
}
.logo-wordmark-accent {
    color: var(--accent-primary);
}

/* Logo-Lockup (Icon + Wortmarke) - Frostforge-Stil.
   Hohe Spezifitaet, damit '.logo a { display:inline-block }' nicht das Lockup stapelt. */
.logo a.logo-lockup {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}
.logo a.logo-lockup .logo-icon {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    display: block;
    flex-shrink: 0;
}
.footer-brand a.footer-logo-lockup {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    margin-bottom: 0.9rem;
}
.footer-logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: block;
    flex-shrink: 0;
}
.footer-logo-lockup .footer-wordmark {
    margin-bottom: 0;
}
/* Inline-Schneeflocken-Icon (currentColor) als Platzhalter im Lockup */
.logo a.logo-lockup .logo-icon,
.footer-logo-lockup .footer-logo-icon {
    color: var(--accent-primary);
}

/* ============================================================
   Frostify - Showcase-Komponenten (Produkt-Landingpage).
   Designsprache von frostcord.com adaptiert: Badge-Header,
   Mock-Fenster mit nachgebauter App-UI, Feature-Karten.
   Nutzt die globalen Tokens, Akzent ist Frostify-Blau.
   ============================================================ */
:root {
    --c-blue: var(--accent-primary);
    --c-cyan: #38bdf8;
    --c-teal: #2dd4bf;
    --c-amber: #f59e0b;
}

/* Footer-Disclaimer (SoundCloud-Hinweis) */
.footer-disclaimer { margin-top: 0.75rem; font-size: 0.75rem; line-height: 1.5; color: var(--text-faint); max-width: 36ch; }

/* Section-Wrapper (alternierender Hintergrund via .alt) */
.show { padding: 5.5rem 0; border-top: 1px solid var(--border-color); }
.show.alt { background: var(--bg-secondary); }

/* Section-Header: Badge + Titel + Subtitle */
.show-head { max-width: 46rem; margin: 0 auto; text-align: center; }
.badge { display: inline-flex; align-items: center; gap: 0.4rem; margin: 0 auto 1rem; padding: 0.3rem 0.8rem; border: 1px solid; border-radius: 999px; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.badge svg { width: 13px; height: 13px; }
.badge-blue  { color: var(--c-blue);  border-color: rgba(76,125,255,0.3); background: rgba(76,125,255,0.08); }
.badge-cyan  { color: var(--c-cyan);  border-color: rgba(56,189,248,0.3); background: rgba(56,189,248,0.08); }
.badge-teal  { color: var(--c-teal);  border-color: rgba(45,212,191,0.3); background: rgba(45,212,191,0.08); }
.badge-amber { color: var(--c-amber); border-color: rgba(245,158,11,0.3); background: rgba(245,158,11,0.08); }
.show-title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; }
.show-sub { margin-top: 0.9rem; font-size: 1.05rem; line-height: 1.6; color: var(--text-tertiary); }

/* Zweispaltiges Showcase-Layout: Mock + Feature-Spalte */
.show-grid { display: grid; gap: 2rem; margin-top: 3rem; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 900px) {
    .show-grid { grid-template-columns: 1fr 1fr; align-items: center; }
    .show-grid.reverse > .mockw { order: 2; }
}

/* Mock-Fenster (Fake-App-Fenster mit Titelleiste) */
.mockw { border: 1px solid var(--border-color); background: var(--bg-secondary); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.show.alt .mockw { background: var(--bg-primary); }
.mockw-bar { display: flex; align-items: center; gap: 0.5rem; padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--border-color); }
.mockw-dots { display: flex; gap: 0.4rem; }
.mockw-dots i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.mockw-dots i:nth-child(1) { background: rgba(239,68,68,0.6); }
.mockw-dots i:nth-child(2) { background: rgba(245,158,11,0.6); }
.mockw-dots i:nth-child(3) { background: rgba(16,185,129,0.6); }
.mockw-title { margin-left: 0.4rem; font-size: 0.75rem; color: var(--text-faint); }
.mockw-body { padding: 1.1rem; }

/* Feature-Karten-Spalte */
.feat-col { display: grid; gap: 0.7rem; }
@media (min-width: 560px) { .feat-col.two { grid-template-columns: 1fr 1fr; } }
.feat-card { display: flex; gap: 0.75rem; align-items: flex-start; padding: 0.9rem 1rem; border: 1px solid var(--border-color); background: var(--bg-secondary); border-radius: var(--radius); transition: border-color 0.2s ease, transform 0.2s ease; }
.show.alt .feat-card { background: var(--bg-primary); }
.feat-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.feat-card .ic { flex: none; width: 34px; height: 34px; border-radius: 9px; display: flex; align-items: center; justify-content: center; background: rgba(76,125,255,0.1); color: var(--accent-primary); }
.feat-card .ic svg { width: 17px; height: 17px; }
.feat-card h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.15rem; }
.feat-card p { font-size: 0.82rem; line-height: 1.5; color: var(--text-tertiary); }

/* Stats mock: total-listening summary card + "when you listen" heatmap */
.st-hero { display: flex; gap: 0.7rem; }
.st-time { flex: 1; background: linear-gradient(135deg, #4c7dff, #243a8f); border-radius: 10px; padding: 0.85rem 0.95rem; color: #fff; display: flex; flex-direction: column; justify-content: center; }
.st-time b { display: block; font-size: 1.4rem; font-weight: 800; line-height: 1.1; }
.st-time span { display: block; font-size: 0.7rem; opacity: 0.85; margin-top: 0.25rem; }
.st-side { flex: none; display: grid; gap: 0.5rem; }
.st-side > div { background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: 8px; padding: 0.4rem 0.9rem; text-align: center; display: flex; flex-direction: column; justify-content: center; }
.st-side b { display: block; font-family: var(--font-mono); font-size: 1rem; font-weight: 800; color: var(--accent-primary); }
.st-side span { display: block; font-size: 0.6rem; color: var(--text-faint); margin-top: 0.1rem; }
.hm { margin-top: 0.9rem; display: flex; flex-direction: column; gap: 3px; }
.hm-row { display: grid; grid-template-columns: 1.3rem repeat(16, 1fr); gap: 3px; align-items: center; }
.hm-day { font-size: 0.58rem; color: var(--text-faint); }
.hm-cell { aspect-ratio: 1; border-radius: 2px; background: rgba(255,255,255,0.05); }

/* Now-Playing-Mock */
/* Mirrors the app's full-screen player: segmented tabs, big cover, title + heart, accent-filled
   seek bar with thumb, five transport controls with an accent play button. */
.np { display: flex; flex-direction: column; gap: 0.85rem; }
.np-tabs { align-self: center; display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px; background: rgba(255,255,255,0.08); }
.np-tabs button { border: none; background: none; color: var(--text-tertiary); font: inherit; font-size: 0.72rem; font-weight: 700; padding: 4px 15px; border-radius: 999px; cursor: default; }
.np-tabs button.on { background: rgba(255,255,255,0.16); color: #fff; }
.np-top { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; }
.np-top-ico { width: 17px; height: 17px; color: var(--text-tertiary); flex: none; }
.np-top-ico svg { width: 100%; height: 100%; display: block; }
.np-cover { width: 150px; height: 150px; align-self: center; border-radius: 14px; background: linear-gradient(135deg, #4c7dff, #6f9bff); box-shadow: 0 18px 40px rgba(0,0,0,0.5); border: 1px solid rgba(255,255,255,0.07); position: relative; overflow: hidden; }
.np-cover::after { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 70% 25%, rgba(255,255,255,0.28), transparent 60%); }
.np-meta-row { display: flex; align-items: center; gap: 0.8rem; }
.np-meta { min-width: 0; flex: 1; }
.np-meta b { display: block; font-size: 1.05rem; font-weight: 700; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.np-meta span { display: block; font-size: 0.85rem; color: var(--text-tertiary); }
.np-heart { width: 22px; height: 22px; color: var(--accent-primary); flex: none; }
.np-bar { height: 4px; border-radius: 3px; background: rgba(255,255,255,0.2); }
.np-bar i { display: block; height: 100%; width: 42%; background: var(--accent-primary); border-radius: 3px; position: relative; }
.np-bar i::after { content: ''; position: absolute; right: -5px; top: 50%; transform: translateY(-50%); width: 11px; height: 11px; border-radius: 50%; background: #fff; }
.np-time { display: flex; justify-content: space-between; font-size: 0.7rem; color: var(--text-faint); font-variant-numeric: tabular-nums; margin-top: -0.3rem; }
.np-ctrls { display: flex; align-items: center; justify-content: space-between; gap: 0.4rem; color: var(--text-secondary); padding-top: 0.1rem; }
.np-ctrls svg { width: 22px; height: 22px; }
.np-ctrls svg.sm { width: 19px; height: 19px; color: var(--text-tertiary); }
.np-ctrls .play { flex: none; width: 50px; height: 50px; border-radius: 50%; background: var(--accent-primary); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(76,125,255,0.4); }
.np-ctrls .play svg { width: 22px; height: 22px; }
/* Now-playing mock window: the app's dark navy player gradient instead of the neutral card bg. */
.mockw.player { border-color: #243152; }
.mockw.player .mockw-body { background: linear-gradient(180deg, #283a5e 0%, #141d30 52%, #0b1322 100%); padding: 1.2rem 1.2rem 1.3rem; }

/* Track-/Suchergebnis-Zeilen */
.trk { display: flex; align-items: center; gap: 0.7rem; padding: 0.5rem; border-radius: 8px; }
.trk + .trk { margin-top: 0.15rem; }
.trk.active { background: rgba(76,125,255,0.08); }
.trk-thumb { flex: none; width: 38px; height: 38px; border-radius: 7px; background: linear-gradient(135deg, var(--bg-tertiary), #313650); }
.trk-thumb.g1 { background: linear-gradient(135deg, #4c7dff, #6f9bff); }
.trk-thumb.g2 { background: linear-gradient(135deg, #38bdf8, #4c7dff); }
.trk-thumb.g3 { background: linear-gradient(135deg, #2dd4bf, #38bdf8); }
.trk-main { min-width: 0; flex: 1; }
.trk-main b { display: block; font-size: 0.85rem; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 500; }
.trk.active .trk-main b { color: var(--accent-primary); }
.trk-main span { display: block; font-size: 0.75rem; color: var(--text-tertiary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.trk-dur { flex: none; font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-faint); }
.trk-drm { flex: none; align-self: center; font-size: 0.56rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent-primary); border: 1px solid currentColor; border-radius: 4px; padding: 1px 5px; white-space: nowrap; }
.trk-acts { display: flex; align-items: center; gap: 0.55rem; flex: none; color: var(--text-faint); }
.trk-acts svg { width: 16px; height: 16px; display: block; }
.trk-acts .hrt { color: var(--accent-primary); }
.trk-idx { flex: none; width: 18px; text-align: center; color: var(--text-faint); font-size: 0.8rem; font-variant-numeric: tabular-nums; }
.trk-thumb.liked { background: linear-gradient(135deg, #6f9bff 0%, #243a8f 100%); display: flex; align-items: center; justify-content: center; color: #fff; }
.trk-thumb.liked svg { width: 18px; height: 18px; }

/* Such-Eingabe-Mock */
.mock-search { display: flex; align-items: center; gap: 0.5rem; padding: 0.55rem 0.8rem; border: 1px solid var(--border-color); border-radius: 999px; background: var(--bg-tertiary); margin-bottom: 0.8rem; color: var(--text-tertiary); font-size: 0.85rem; }
.mock-search svg { width: 15px; height: 15px; flex: none; }

/* Lyrics-Mock */
.lyr { display: flex; flex-direction: column; gap: 0.7rem; }
.lyr-line { font-size: 1.15rem; font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; color: var(--text-faint); transition: color 0.2s ease; }
.lyr-line.near { color: var(--text-tertiary); }
.lyr-line.active { color: var(--accent-light); font-weight: 800; font-size: 1.3rem; }

/* Plattform-Chips */
.plat-grid { display: flex; flex-wrap: wrap; gap: 0.7rem; justify-content: center; margin-top: 2.4rem; }
.plat { display: inline-flex; align-items: center; gap: 0.55rem; padding: 0.7rem 1.1rem; border: 1px solid var(--border-color); border-radius: var(--radius); background: var(--bg-secondary); font-size: 0.9rem; font-weight: 500; color: var(--text-secondary); }
.show.alt .plat { background: var(--bg-primary); }
.plat svg { width: 18px; height: 18px; color: var(--accent-primary); }

/* Ehrlicher Hinweis-Kasten (DRM) */
.callout { display: flex; gap: 0.9rem; max-width: 46rem; margin: 2.4rem auto 0; padding: 1.1rem 1.3rem; border: 1px solid rgba(245,158,11,0.25); background: rgba(245,158,11,0.05); border-radius: var(--radius-lg); }
.callout svg { flex: none; width: 22px; height: 22px; color: var(--c-amber); margin-top: 1px; }
.callout p { font-size: 0.88rem; line-height: 1.6; color: var(--text-secondary); }
.callout b { color: var(--text-primary); }

/* FAQ (native details/summary, kein JS nötig) */
.faq-list { max-width: 44rem; margin: 2.5rem auto 0; display: flex; flex-direction: column; gap: 0.7rem; }
.faq-item { border: 1px solid var(--border-color); border-radius: var(--radius); background: var(--bg-secondary); overflow: hidden; }
.show.alt .faq-item { background: var(--bg-primary); }
.faq-item summary { list-style: none; cursor: pointer; padding: 1rem 1.2rem; font-weight: 600; color: var(--text-primary); font-size: 0.98rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; color: var(--accent-primary); font-size: 1.4rem; font-weight: 400; line-height: 1; flex: none; transition: transform 0.2s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 1.2rem 1.1rem; color: var(--text-tertiary); font-size: 0.9rem; line-height: 1.65; }

/* CTA */
.cta-box { max-width: 46rem; margin: 0 auto; text-align: center; padding: 3rem 2rem; border-radius: var(--radius-lg); background: linear-gradient(var(--bg-secondary), var(--bg-secondary)) padding-box, var(--gradient-primary) border-box; border: 1px solid transparent; }
.cta-box h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); font-weight: 700; color: var(--text-primary); }
.cta-box p { margin-top: 0.8rem; color: var(--text-tertiary); font-size: 1.02rem; line-height: 1.6; }
.cta-box .hero-buttons { margin-top: 1.8rem; }
.cta-note { margin-top: 1.1rem; font-size: 0.78rem; color: var(--text-faint); }

/* Hero-Anpassungen für die Produktseite */
.hero-badge { display: inline-flex; align-items: center; gap: 0.45rem; margin-bottom: 1.3rem; padding: 0.35rem 0.9rem; border: 1px solid rgba(76,125,255,0.3); background: rgba(76,125,255,0.08); border-radius: 999px; font-size: 0.78rem; font-weight: 600; color: var(--accent-primary); }
.hero-badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-primary); box-shadow: 0 0 0 3px rgba(76,125,255,0.25); }
.hero-mock { max-width: 430px; margin: 3rem auto 0; }