/* ==========================================================================
   SonnenKraft Regional - Custom Theme CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Farben */
    --color-primary: #F5B800;
    --color-primary-dark: #D4A000;
    --color-secondary: #2D3436;
    --color-neutral: #F5F5F5;
    --color-white: #FFFFFF;
    --color-text: #2D3436;
    --color-text-light: #636E72;
    --color-border: #DFE6E9;
    --color-success: #00B894;
    --color-error: #D63031;

    /* Typografie */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    --line-height-tight: 1.25;
    --line-height-base: 1.6;

    /* Abstände */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --border-radius: 8px;
    --border-radius-lg: 12px;

    /* Schatten */
    --shadow-sm: 0 1px 2px 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);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Übergänge */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

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

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

a {
    color: var(--color-primary-dark);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-secondary);
}

h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
}

.lead {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
}

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

.container--narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-white);
    position: relative;
    z-index: 1;
}

.section--gray {
    background-color: var(--color-neutral);
}

.section--primary {
    background-color: var(--color-primary);
    color: var(--color-secondary);
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section__title {
    margin-bottom: var(--spacing-sm);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

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

.grid--3 {
    grid-template-columns: repeat(1, 1fr);
}

.grid--4 {
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 640px) {
    .grid--2 {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid--3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid--4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-md);
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-secondary);
    text-decoration: none;
}

.header__logo:hover {
    color: var(--color-secondary);
}

.header__logo-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

/* Navigation */
.nav {
    display: none;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav__link {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

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

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

/* Mobile Menu Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
}

.nav-toggle__bar {
    width: 24px;
    height: 2px;
    background: var(--color-secondary);
    transition: transform var(--transition-base);
}

.nav-toggle.active .nav-toggle__bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .nav-toggle__bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle__bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
}

.nav-mobile.active {
    display: block;
}

.nav-mobile__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.nav-mobile__link {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    display: block;
}

.nav-mobile__link:hover {
    color: var(--color-primary-dark);
}

@media (min-width: 1024px) {
    .nav {
        display: block;
    }

    .nav-toggle {
        display: none;
    }
}

/* Header CTA */
.header__cta {
    display: none;
}

@media (min-width: 1024px) {
    .header__cta {
        display: block;
    }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(245, 184, 0, 0.4);
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-secondary);
}

.btn--secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
}

.btn--secondary:hover {
    background-color: transparent;
    color: var(--color-secondary);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.btn--outline:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.btn--outline-white {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn--outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-secondary);
}

.btn--lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn--sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn--block {
    width: 100%;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #3d4a4c 100%);
    color: var(--color-white);
    padding: var(--spacing-4xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0.1;
}

.hero__inner {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero__title {
    font-size: var(--font-size-3xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .hero {
        padding: var(--spacing-4xl) 0 var(--spacing-4xl);
    }

    .hero__title {
        font-size: var(--font-size-5xl);
    }
}

/* Hero Fullscreen (100vh minus header) with Image/Video */
.hero--fullscreen {
    min-height: calc(100vh - 73px); /* 100vh minus header height */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    padding: 0;
}

.hero--fullscreen .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.hero--fullscreen .hero__inner {
    max-width: 900px;
}

.hero--media {
    background: transparent;
}

.hero--media::before {
    display: none;
}

/* Hero Background Video */
.hero__video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: -2;
    object-fit: cover;
}

/* Hero Background Image */
.hero__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

/* Hero Fixed Background */
.hero--fixed .hero__image {
    position: fixed;
    height: 100vh;
}

.hero--fixed .hero__video {
    position: fixed;
}

/* Ensure content after hero covers the fixed background */
.hero--fixed ~ *,
.hero--parallax ~ * {
    position: relative;
    z-index: 1;
}

#content-start ~ * {
    background-color: var(--color-white);
}

#content-start ~ .section--gray {
    background-color: var(--color-neutral);
}

#content-start ~ .section--primary {
    background-color: var(--color-primary);
}

/* Hero Parallax Background */
.hero--parallax .hero__image {
    background-attachment: fixed;
}

@supports (-webkit-touch-callout: none) {
    /* Disable fixed/parallax on iOS (not well supported) */
    .hero--fixed .hero__image,
    .hero--parallax .hero__image {
        position: absolute;
        background-attachment: scroll;
    }

    .hero--fixed .hero__video {
        position: absolute;
    }
}

/* Hero Overlay */
.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-secondary);
    z-index: -1;
}

/* Scroll Indicator */
.hero__scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 25px;
    display: flex;
    justify-content: center;
    padding-top: 10px;
    transition: border-color var(--transition-base);
}

.hero__scroll-indicator:hover {
    border-color: var(--color-white);
}

.hero__scroll-indicator span {
    width: 6px;
    height: 6px;
    background: var(--color-white);
    border-radius: 50%;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(15px);
    }
    60% {
        transform: translateY(10px);
    }
}

@media (min-width: 768px) {
    .hero--fullscreen .hero__title {
        font-size: var(--font-size-5xl);
    }
}

@media (max-width: 767px) {
    .hero--fullscreen {
        min-height: calc(100svh - 65px); /* Use small viewport height minus header on mobile */
    }

    .hero__scroll-indicator {
        bottom: var(--spacing-lg);
    }
}

/* --------------------------------------------------------------------------
   USP Section
   -------------------------------------------------------------------------- */
.usp {
    background: var(--color-white);
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--color-border);
    position: relative;
    z-index: 1;
}

.usp__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.usp__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.usp__icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
}

.usp__content h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.usp__content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
}

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

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.card__image {
    aspect-ratio: 16/10;
    background: var(--color-neutral);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

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

.card__body {
    padding: var(--spacing-lg);
}

.card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.card__text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.card__link {
    font-weight: 600;
    color: var(--color-primary-dark);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.card__link::after {
    content: '→';
    transition: transform var(--transition-fast);
}

.card__link:hover::after {
    transform: translateX(4px);
}

/* Icon Card */
.card--icon {
    text-align: center;
    padding: var(--spacing-xl);
}

.card--icon .card__icon {
    width: 64px;
    height: 64px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.75rem;
}

/* --------------------------------------------------------------------------
   Testimonials
   -------------------------------------------------------------------------- */
.testimonial {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.testimonial__stars {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.testimonial__text {
    font-size: var(--font-size-lg);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial__avatar {
    width: 48px;
    height: 48px;
    background: var(--color-neutral);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-weight: 600;
}

.testimonial__name {
    font-weight: 600;
    margin-bottom: 0;
}

.testimonial__location {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
}

/* --------------------------------------------------------------------------
   CTA Banner
   -------------------------------------------------------------------------- */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-secondary);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-banner__title {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.cta-banner__text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

/* --------------------------------------------------------------------------
   Services (Leistungen)
   -------------------------------------------------------------------------- */
.service {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--color-white);
}

.service__header {
    padding: var(--spacing-lg);
    background: var(--color-neutral);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    transition: background var(--transition-fast);
}

.service__header:hover {
    background: var(--color-border);
}

.service__header-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.service__icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.service__title {
    margin: 0;
    font-size: var(--font-size-lg);
}

.service__toggle {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
}

.service.active .service__toggle {
    transform: rotate(180deg);
}

.service__body {
    display: none;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.service.active .service__body {
    display: block;
}

.service__body ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.service__body li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Team Section
   -------------------------------------------------------------------------- */
.team-member {
    text-align: center;
}

.team-member__image {
    width: 150px;
    height: 150px;
    background: var(--color-neutral);
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    overflow: hidden;
}

.team-member__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member__photo {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    border-radius: 50%;
}

.team-member__name {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.team-member__position {
    color: var(--color-primary-dark);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.team-member__bio {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   About / Über uns Page
   -------------------------------------------------------------------------- */
.about-company {
    max-width: 800px;
    margin: 0 auto;
}

.about-company__content h2 {
    margin-bottom: var(--spacing-lg);
}

.about-company__text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
    line-height: 1.8;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

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

.stat-item__number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-item__label {
    font-size: var(--font-size-sm);
    color: var(--color-secondary);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Value Cards */
.value-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.value-card__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.value-card__text {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Team Grid - Cards with 1:1 Images */
.team-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-xl);
}

@media (min-width: 640px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.team-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.team-card__image-wrapper {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.team-card__image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-color: var(--color-neutral);
    transition: transform var(--transition-base);
}

.team-card:hover .team-card__image {
    transform: scale(1.05);
}

.team-card__image--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.team-card__image--placeholder span {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-secondary);
}

.team-card__body {
    padding: var(--spacing-lg);
    text-align: center;
}

.team-card__name {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary);
}

.team-card__position {
    color: var(--color-primary-dark);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.team-card__bio {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

/* --------------------------------------------------------------------------
   Calculator (Rechner)
   -------------------------------------------------------------------------- */
.calculator {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.calculator__header {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xl);
    text-align: center;
}

.calculator__header h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.calculator__header p {
    opacity: 0.9;
    margin: 0;
}

.calculator__body {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

@media (min-width: 1024px) {
    .calculator__body {
        grid-template-columns: 1fr 1fr;
    }
}

.calculator__inputs {
    padding: var(--spacing-xl);
    border-right: none;
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 1024px) {
    .calculator__inputs {
        border-right: 1px solid var(--color-border);
        border-bottom: none;
    }
}

.calculator__results {
    padding: var(--spacing-xl);
    background: var(--color-neutral);
}

/* Form Groups */
.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.form-group__help {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: var(--color-border);
    border-radius: 50%;
    font-size: 12px;
    color: var(--color-text-light);
    cursor: help;
    position: relative;
}

.form-group__help:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 400;
    white-space: nowrap;
    z-index: 10;
    margin-bottom: var(--spacing-xs);
}

/* Input Fields */
.form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    background: var(--color-white);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Slider */
.slider-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.slider-container input[type="range"] {
    flex: 1;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--color-border);
    border-radius: 4px;
    cursor: pointer;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.slider-container input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider-container input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

.slider-value {
    min-width: 80px;
    text-align: right;
    font-weight: 600;
    color: var(--color-secondary);
}

/* Result Cards */
.result-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.result-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
}

.result-card--highlight {
    background: var(--color-primary);
    grid-column: span 2;
}

.result-card__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.result-card--highlight .result-card__label {
    color: var(--color-secondary);
    opacity: 0.8;
}

.result-card__value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-secondary);
}

.result-card--highlight .result-card__value {
    font-size: var(--font-size-3xl);
}

/* Chart */
.chart-container {
    margin-top: var(--spacing-xl);
}

.chart-bar {
    margin-bottom: var(--spacing-md);
}

.chart-bar__label {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.chart-bar__track {
    height: 24px;
    background: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.chart-bar__fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--border-radius);
    transition: width var(--transition-base);
}

.chart-bar__fill--secondary {
    background: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   Contact Form
   -------------------------------------------------------------------------- */
.contact-form {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.contact-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.form-checkbox input {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-checkbox label {
    font-weight: 400;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    cursor: pointer;
}

/* Contact Info */
.contact-info {
    background: var(--color-neutral);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
}

.contact-info__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-info__item:last-child {
    margin-bottom: 0;
}

.contact-info__icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info__label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-info__value {
    color: var(--color-text-light);
    margin: 0;
}

.contact-info__value a {
    color: var(--color-primary-dark);
}

/* Map Placeholder */
.map-placeholder {
    height: 300px;
    background: var(--color-neutral);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

@media (min-width: 640px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.footer__col h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__logo-icon {
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer__text {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: var(--spacing-sm);
}

.footer__links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer__contact p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.footer__social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.footer__social a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: background var(--transition-fast);
}

.footer__social a:hover {
    background: var(--color-primary);
    color: var(--color-secondary);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

.footer__legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer__legal a {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

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

/* --------------------------------------------------------------------------
   Page Header
   -------------------------------------------------------------------------- */
.page-header {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    z-index: 1;
}

.page-header__title {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.page-header__subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-lg);
    margin: 0;
}

/* --------------------------------------------------------------------------
   Certificates / Partners
   -------------------------------------------------------------------------- */
.certificates {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--color-neutral);
    border-radius: var(--border-radius-lg);
}

.certificate {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.certificate__icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificate__text {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-2xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus visible for keyboard navigation */
.btn:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible,
a:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .nav-toggle,
    .btn {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    .section {
        page-break-inside: avoid;
    }
}

/* --------------------------------------------------------------------------
   Kontakt Page Styles
   -------------------------------------------------------------------------- */
.page-kontakt .section__title--center {
    text-align: center;
}

.page-kontakt .section__subtitle--center {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

/* Contact Layout */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

@media (min-width: 1024px) {
    .contact-layout {
        grid-template-columns: 350px 1fr;
        gap: var(--spacing-3xl);
    }
}

/* Contact Info Cards */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-info-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.contact-info-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.contact-info-card__icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-secondary);
}

.contact-info-card__icon svg {
    width: 24px;
    height: 24px;
}

.contact-info-card__content {
    flex: 1;
}

.contact-info-card__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary);
}

.contact-info-card__text {
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.5;
}

.contact-info-card__text--link {
    color: var(--color-primary-dark);
    display: block;
}

.contact-info-card__text--link:hover {
    color: var(--color-primary);
}

/* Contact Form Wrapper */
.contact-form-wrapper {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.contact-form__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xl);
    color: var(--color-secondary);
}

/* Form Fields Grid */
.form-fields {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 640px) {
    .form-fields {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-group--half {
        grid-column: span 1;
    }

    .form-group:not(.form-group--half):not(.form-group--privacy) {
        grid-column: span 2;
    }
}

.form-group--privacy {
    grid-column: 1 / -1;
    margin-top: var(--spacing-md);
}

/* Form Label */
.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.form-required {
    color: var(--color-error);
    margin-left: 2px;
}

/* Form Inputs */
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background: var(--color-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(245, 184, 0, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-light);
    opacity: 0.7;
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%232D3436' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 20px;
    padding-right: calc(var(--spacing-md) * 2 + 20px);
    cursor: pointer;
}

/* Custom Checkbox */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    position: relative;
}

.form-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.form-checkbox__mark {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    background: var(--color-white);
    margin-top: 2px;
}

.form-checkbox__mark::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid var(--color-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    transition: transform var(--transition-fast);
}

.form-checkbox input:checked + .form-checkbox__mark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.form-checkbox input:checked + .form-checkbox__mark::after {
    transform: rotate(45deg) scale(1);
}

.form-checkbox input:focus + .form-checkbox__mark {
    box-shadow: 0 0 0 3px rgba(245, 184, 0, 0.15);
}

.form-checkbox__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.5;
}

.form-checkbox__label a {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.form-checkbox__label a:hover {
    color: var(--color-primary);
}

/* Form Actions */
.form-actions {
    margin-top: var(--spacing-xl);
}

.form-actions .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.form-actions .btn svg {
    transition: transform var(--transition-base);
}

.form-actions .btn:hover svg {
    transform: translateX(4px);
}

/* Form Success */
.form-success {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.form-success__icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 184, 148, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-xl);
    color: var(--color-success);
}

.form-success__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.form-success__message {
    color: var(--color-text-light);
    max-width: 400px;
    margin: 0 auto;
}