/* ===========================================
   Young Wings Website - Main Stylesheet
   Emotionale Farbwelt: Himmelblau, Weiß, Grasgrün
   =========================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-sky-blue: #4A90E2;
    --color-sky-blue-dark: #2E6CB8;
    --color-sky-blue-light: #7DB3F5;
    --color-grass-green: #7DC242;
    --color-grass-green-dark: #5FA032;
    --color-white: #FFFFFF;
    --color-off-white: #F8FAFB;
    --color-light-gray: #E8EEF2;
    --color-gray: #6B7C93;
    --color-dark-gray: #2C3E50;
    --color-text: #1A202C;
    --color-text-light: #4A5568;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-sky-blue) 0%, var(--color-sky-blue-dark) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(74, 144, 226, 0.95) 0%, rgba(46, 108, 184, 0.95) 100%);

    /* Typography */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===========================================
   Accessibility Utilities
   =========================================== */

.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;
}

/* ===========================================
   Reset & Base Styles
   =========================================== */

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

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ===========================================
   Typography
   =========================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

a {
    text-decoration: none;
    color: var(--color-sky-blue);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-sky-blue-dark);
}

/* ===========================================
   Container & Layout
   =========================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray);
    font-weight: var(--font-weight-light);
}

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

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-sky-blue);
    border: 2px solid var(--color-white);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-sky-blue);
    border: 2px solid var(--color-sky-blue);
}

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: box-shadow var(--transition-normal);
    will-change: box-shadow;
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem 0;
    position: relative;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-sky-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-sky-blue);
    transition: width var(--transition-fast);
}

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

.btn-nav-donate {
    padding: 0.625rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-normal);
}

.btn-nav-donate:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-white);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    position: absolute;
    right: 0;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-sky-blue);
    transition: all var(--transition-fast);
}

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

.hero {
    position: relative;
    width: 100%;
    min-height: calc(100vh - 70px);
    max-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    margin-top: 70px;
    padding: var(--spacing-lg) 0;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M10 10 L90 10 L50 90 Z" fill="rgba(255,255,255,0.03)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
}

.hero-logo-wrapper {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo {
    max-width: 400px;
    width: 80%;
    height: auto;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
    animation: floatLogo 6s ease-in-out infinite;
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
}

@keyframes floatLogo {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.hero-quote {
    font-size: 1.125rem;
    font-weight: var(--font-weight-light);
    font-style: italic;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    opacity: 0.85;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    border-left: 3px solid var(--color-grass-green);
    padding-left: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: var(--font-weight-light);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-text {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-white);
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-white);
    opacity: 0.8;
}

.scroll-indicator span {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-semibold);
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-left: 2px solid var(--color-white);
    border-bottom: 2px solid var(--color-white);
    transform: rotate(-45deg);
    margin: 0 auto;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(-45deg); }
    40% { transform: translateY(10px) rotate(-45deg); }
    60% { transform: translateY(5px) rotate(-45deg); }
}

/* Fade-in Animations */
.fade-in {
    animation: fadeIn 1s ease forwards;
    opacity: 0;
}

.fade-in-delay-1 {
    animation: fadeIn 1s ease 0.3s forwards;
    opacity: 0;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease 0.6s forwards;
    opacity: 0;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease 0.9s forwards;
    opacity: 0;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ===========================================
   Stats Section
   =========================================== */

.stats {
    position: relative;
    background: var(--color-white);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-light-gray);
    z-index: 2;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-md);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: var(--font-weight-extrabold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--color-gray);
    font-weight: var(--font-weight-semibold);
}

/* ===========================================
   About Section
   =========================================== */

.about {
    position: relative;
    padding: var(--spacing-xl) 0;
    background: var(--color-off-white);
    z-index: 2;
    margin-top: 0;
}

/* Mission Section with Image */
.mission-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
    margin-bottom: var(--spacing-xl);
}

.mission-text h3 {
    color: var(--color-sky-blue);
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.mission-text p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.mission-image .image-placeholder {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    height: 100%;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 4rem;
    box-shadow: var(--shadow-lg);
}

/* Values Section */
.values-section {
    margin-bottom: var(--spacing-xl);
}

.values-section h3 {
    color: var(--color-sky-blue);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}

/* Goals Section */
.goals-section h3 {
    color: var(--color-sky-blue);
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.values-list {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.values-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(125, 194, 66, 0.05) 100%);
    border-left: 4px solid var(--color-sky-blue);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.values-list li:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--color-grass-green);
}

.value-icon {
    font-size: 2rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.value-content {
    flex: 1;
}

.value-content strong {
    display: block;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-sky-blue);
    margin-bottom: 0.25rem;
}

.value-content p {
    margin: 0;
    color: var(--color-text-light);
    line-height: 1.6;
}

.goals-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.goals-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.goals-list li:hover {
    transform: translateX(5px);
}

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

.image-placeholder p {
    font-size: 1rem;
    margin-top: var(--spacing-sm);
    color: var(--color-white);
}

/* ===========================================
   Projects Section
   =========================================== */

.projects {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
}

.main-project {
    margin-bottom: var(--spacing-xl);
}

.project-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.project-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-grass-green);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.project-intro {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

/* Funding Section */
.funding-section {
    background: var(--color-off-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin: var(--spacing-md) 0;
}

.funding-section h4 {
    color: var(--color-sky-blue);
    margin-bottom: var(--spacing-sm);
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: var(--color-light-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    width: 0;
    transition: width 2s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: var(--spacing-sm);
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
}

.funding-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.funding-item {
    text-align: center;
}

.funding-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
}

.funding-value {
    display: block;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-sky-blue);
}

/* Project Status */
.project-status {
    margin: var(--spacing-md) 0;
}

.project-status h4 {
    color: var(--color-sky-blue);
    margin-bottom: var(--spacing-sm);
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-left: 3px solid var(--color-light-gray);
    color: var(--color-gray);
}

.status-item.active {
    border-left-color: var(--color-grass-green);
    color: var(--color-text);
}

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

.project-image .image-placeholder {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 4rem;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 100px;
}

/* Future Projects */
.future-projects {
    margin-top: var(--spacing-xl);
}

.future-projects h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-md);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-align: center;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.project-card h4 {
    color: var(--color-sky-blue);
    margin-bottom: var(--spacing-sm);
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

/* ===========================================
   Sponsoring Section
   =========================================== */

.sponsoring {
    padding: var(--spacing-xl) 0;
    background: var(--color-off-white);
}

.sponsoring-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.sponsoring-intro h3 {
    color: var(--color-sky-blue);
    margin-bottom: var(--spacing-sm);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.benefit-icon {
    font-size: 2rem;
}

/* Sponsoring Packages */
.packages {
    margin-top: var(--spacing-xl);
}

.packages h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-md);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.package-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.package-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.package-card.featured {
    border-color: var(--color-sky-blue);
}

.package-card.premium {
    border-color: var(--color-grass-green);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
}

.package-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background: var(--color-grass-green);
    color: var(--color-white);
    padding: 0.375rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
}

.package-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-light-gray);
}

.package-header h4 {
    font-size: 1.5rem;
    color: var(--color-sky-blue);
    margin-bottom: var(--spacing-xs);
}

.package-price {
    font-size: 2rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-dark-gray);
}

.package-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.package-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-light);
}

.package-card .btn {
    width: 100%;
    margin-top: auto;
}

/* Donation Section */
.donation-section {
    max-width: 700px;
    margin: var(--spacing-xl) auto 0;
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.donation-section h3 {
    text-align: center;
    color: var(--color-sky-blue);
    margin-bottom: var(--spacing-sm);
}

.donation-section > p {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

/* Forms */
.donation-form,
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-sky-blue);
}

.amount-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.amount-btn {
    padding: 0.875rem;
    background: var(--color-white);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.amount-btn:hover,
.amount-btn.active {
    background: var(--color-sky-blue);
    color: var(--color-white);
    border-color: var(--color-sky-blue);
}

#customAmount {
    grid-column: 1 / -1;
    margin-top: var(--spacing-sm);
}

.form-note {
    font-size: 0.875rem;
    color: var(--color-gray);
    text-align: center;
    margin-top: var(--spacing-sm);
}

.form-privacy-note {
    font-size: 0.75rem;
    color: var(--color-gray);
    text-align: center;
    margin-top: var(--spacing-sm);
    line-height: 1.5;
}

.form-privacy-note a {
    color: var(--color-sky-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.form-privacy-note a:hover {
    color: var(--color-sky-blue-dark);
    text-decoration: underline;
}

/* ===========================================
   Gallery Section
   =========================================== */

.gallery {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
}

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

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.gallery-item .image-placeholder {
    background: var(--gradient-primary);
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 3rem;
}

/* ===========================================
   Sponsors Section
   =========================================== */

.sponsors {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
}

.sponsors-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-text-light);
    font-size: 1.125rem;
    line-height: 1.8;
}

.sponsor-tier {
    margin-bottom: var(--spacing-xl);
}

.tier-title {
    text-align: center;
    font-size: 1.75rem;
    color: var(--color-sky-blue);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-bold);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.tier-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.sponsors-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.premium-sponsors {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.gold-sponsors {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.silver-sponsors {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.sponsor-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    text-align: center;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.sponsor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.sponsor-card.premium {
    border-color: var(--color-grass-green);
    background: linear-gradient(135deg, #ffffff 0%, #f0fff4 100%);
    padding: var(--spacing-lg);
}

.sponsor-card.gold {
    border-color: #FFD700;
    background: linear-gradient(135deg, #ffffff 0%, #fffef0 100%);
}

.sponsor-card.silver {
    border-color: #C0C0C0;
}

.sponsor-logo {
    width: 100%;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    background: var(--color-off-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.sponsor-card.premium .sponsor-logo {
    height: 150px;
}

.sponsor-card.silver .sponsor-logo {
    height: 100px;
}

.sponsor-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter var(--transition-normal);
}

.sponsor-card:hover .sponsor-logo img {
    filter: grayscale(0%);
}

.sponsor-card h4 {
    font-size: 1.25rem;
    color: var(--color-dark-gray);
    margin: 0;
    font-weight: var(--font-weight-bold);
}

.sponsor-card.premium h4 {
    font-size: 1.5rem;
}

.sponsor-card p {
    font-size: 0.875rem;
    color: var(--color-gray);
    margin: 0;
}

.sponsors-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: var(--color-white);
}

.sponsors-cta h3 {
    color: var(--color-white);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.sponsors-cta p {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.sponsors-cta .btn {
    background: var(--color-white);
    color: var(--color-sky-blue);
    border: 2px solid var(--color-white);
}

.sponsors-cta .btn:hover {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

.contact {
    padding: var(--spacing-xl) 0;
    background: var(--color-off-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
}

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

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

.info-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.info-text h4 {
    color: var(--color-sky-blue);
    margin-bottom: var(--spacing-xs);
}

.info-text a {
    color: var(--color-text-light);
}

.info-text a:hover {
    color: var(--color-sky-blue);
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.footer {
    background: var(--color-dark-gray);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-normal);
    color: var(--color-white);
}

.social-links a:hover {
    background: var(--color-sky-blue);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

.social-links svg {
    width: 20px;
    height: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

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

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 0.625rem;
    border: none;
    border-radius: var(--radius-md);
}

.newsletter-form .btn {
    padding: 0.625rem 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

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

@media (max-width: 1024px) {
    .hero-title { font-size: 3rem; }
    .section-title { font-size: 2rem; }

    .about-content,
    .project-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .project-image .image-placeholder {
        position: static;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-normal);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        margin-top: 70px;
        min-height: auto;
        max-height: none;
        padding: var(--spacing-lg) 0 var(--spacing-xl) 0;
    }

    .hero-title { font-size: 2.5rem; }
    .hero-quote { font-size: 1.125rem; }
    .hero-subtitle { font-size: 1.25rem; }
    .hero-text { font-size: 1rem; }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        margin-bottom: var(--spacing-lg);
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .scroll-indicator {
        position: absolute;
        bottom: 1rem;
        left: 0;
        right: 0;
        transform: none;
        margin: 0 auto;
        width: 100%;
    }

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

    .mission-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .mission-image .image-placeholder {
        min-height: 250px;
    }

    .values-list {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .packages-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .premium-sponsors,
    .gold-sponsors,
    .silver-sponsors {
        grid-template-columns: 1fr;
    }

    .hero-logo {
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }

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

    .hero-logo {
        max-width: 250px;
    }

    .hero-title { font-size: 2rem; }
    .hero-quote { font-size: 1rem; padding-left: var(--spacing-sm); }
    .section-title { font-size: 1.75rem; }

    .stat-number { font-size: 2.5rem; }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .funding-stats {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ===========================================
   Legal Pages (Impressum, Datenschutz)
   =========================================== */

.legal-page {
    padding: calc(var(--spacing-xl) + 70px) 0 var(--spacing-xl) 0;
    background: var(--color-white);
    min-height: 100vh;
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.legal-content h1 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-sky-blue);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--color-grass-green);
}

.legal-content h2 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark-gray);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-content h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.legal-content h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.legal-content p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    color: var(--color-text-light);
}

.legal-content ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.legal-content li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.8;
    color: var(--color-text-light);
}

.legal-content a {
    color: var(--color-sky-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.legal-content a:hover {
    color: var(--color-sky-blue-dark);
    text-decoration: underline;
}

.legal-content strong {
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
}

.legal-back-link {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-light-gray);
    text-align: center;
}

@media (max-width: 768px) {
    .legal-page {
        padding: calc(var(--spacing-md) + 70px) 0 var(--spacing-md) 0;
    }

    .legal-content {
        padding: var(--spacing-md);
    }

    .legal-content h1 {
        font-size: 2rem;
    }

    .legal-content h2 {
        font-size: 1.5rem;
    }

    .legal-content h3 {
        font-size: 1.125rem;
    }
}