/* ============================================
   Förderverein KiTa Stiftstraße e.V.
   Modern, Playful, Responsive Styles
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Warm, friendly palette */
    --primary: #e85d04;
    --primary-dark: #d45302;
    --primary-light: #ff7b2e;
    --secondary: #2d6a4f;
    --secondary-dark: #1b4332;
    --secondary-light: #40916c;
    --accent: #ffd166;
    --accent-light: #ffe599;
    
    /* Neutrals */
    --text-dark: #2d3748;
    --text-medium: #4a5568;
    --text-light: #718096;
    --bg-light: #fefefe;
    --bg-warm: #fffcf7;
    --bg-cream: #fef7ed;
    --bg-mint: #ecfdf5;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 30px rgba(232, 93, 4, 0.15);
    
    /* Typography */
    --font-display: 'Baloo 2', cursive;
    --font-body: 'Nunito', sans-serif;
    
    /* Spacing */
    --section-padding: 6rem;
    --container-max: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background: var(--bg-light);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p {
    margin-bottom: 1rem;
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2rem;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-medium);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md), 0 4px 15px rgba(232, 93, 4, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 8px 25px rgba(232, 93, 4, 0.4);
    color: white;
}

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

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

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

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

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-img {
    height: 45px;
    width: auto;
}

.logo-text {
    display: none;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
}

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

@media (min-width: 768px) {
    .logo-img {
        height: 55px;
    }
    
    .logo-text {
        display: inline;
    }
}

.nav-links {
    display: none;
    list-style: none;
    gap: 0.5rem;
}

@media (min-width: 900px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    padding: 0.5rem 1rem;
    font-weight: 500;
    color: var(--text-medium);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: var(--bg-cream);
}

/* Mobile Navigation */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

@media (min-width: 900px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

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

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

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

.nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    padding: 1rem;
    box-shadow: var(--shadow-md);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(254, 247, 237, 0.85) 0%, rgba(236, 253, 245, 0.85) 50%, rgba(255, 252, 247, 0.85) 100%),
                url('kita_bg.jpg') center/cover no-repeat;
    padding-top: 5rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--secondary-light) 0%, var(--secondary) 100%);
    top: 60%;
    right: -3%;
    animation-delay: -5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    bottom: 20%;
    left: 10%;
    animation-delay: -10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--primary-light) 100%);
    top: 30%;
    right: 20%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(30px, -30px) rotate(5deg);
    }
    50% {
        transform: translate(-20px, 20px) rotate(-5deg);
    }
    75% {
        transform: translate(20px, 30px) rotate(3deg);
    }
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 1;
    animation: fadeInUp 1s ease;
}


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

.hero h1 {
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--text-medium);
    margin-bottom: 2rem;
    font-weight: 500;
}

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

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: auto;
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header.light h2 {
    color: white;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--bg-cream);
    border-radius: var(--radius-lg);
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-header.light .section-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* ============================================
   Welcome Section
   ============================================ */
.welcome {
    background: var(--bg-light);
}

.welcome-grid {
    display: grid;
    gap: 3rem;
}

@media (min-width: 900px) {
    .welcome-grid {
        grid-template-columns: 1.2fr 1fr;
        align-items: start;
    }
}

.welcome-text p {
    font-size: 1.1rem;
    color: var(--text-medium);
}

.welcome-signature {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--accent);
    font-style: italic;
}

.welcome-logo {
    display: block;
    width: 200px;
    height: auto;
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .welcome-logo {
        width: 250px;
    }
}

.welcome-cards {
    display: grid;
    gap: 1.5rem;
}

.info-card {
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary);
    opacity: 0;
    transform: translateX(20px);
    transition: all var(--transition-medium);
}

.info-card.visible {
    opacity: 1;
    transform: translateX(0);
}

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

.card-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.info-card h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary-dark);
}

.info-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0;
}

/* ============================================
   Projects Section
   ============================================ */
.projects {
    background: var(--bg-warm);
}

.projects-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.project-card {
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-medium);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--text-light);
}

.project-card.active::before {
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
}

.project-card.completed::before {
    background: linear-gradient(90deg, var(--secondary) 0%, var(--secondary-light) 100%);
}

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

.project-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    background: var(--bg-cream);
    color: var(--text-light);
}

.project-card.active .project-status {
    background: rgba(232, 93, 4, 0.1);
    color: var(--primary);
}

.project-card.completed .project-status {
    background: rgba(45, 106, 79, 0.1);
    color: var(--secondary);
}

.project-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.project-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

/* ============================================
   Get Involved Section
   ============================================ */
.get-involved {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 100%);
    color: white;
}

.involvement-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .involvement-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.involvement-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-medium);
}

.involvement-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.involvement-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.involvement-card.featured {
    background: white;
    color: var(--text-dark);
    border: none;
    box-shadow: var(--shadow-lg);
}

.involvement-card.featured:hover {
    background: white;
}

.involvement-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.involvement-card h3 {
    color: inherit;
    margin-bottom: 0.75rem;
}

.involvement-card p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.involvement-card .btn {
    width: 100%;
}

.involvement-card:not(.featured) .btn-outline {
    border-color: white;
    color: white;
}

.involvement-card:not(.featured) .btn-outline:hover {
    background: white;
    color: var(--secondary);
}

/* ============================================
   Sponsors Section
   ============================================ */
.sponsors {
    background: var(--bg-light);
    text-align: center;
}

.sponsors-text {
    font-size: 1.1rem;
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.sponsors-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.sponsor-logo {
    padding: 1.5rem 2.5rem;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.sponsor-logo img {
    max-height: 60px;
    width: auto;
    object-fit: contain;
}

.sponsor-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-medium);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--bg-cream);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    opacity: 0;
    transform: translateX(-20px);
    transition: all var(--transition-medium);
}

.contact-item.visible {
    opacity: 1;
    transform: translateX(0);
}

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

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

.contact-item strong {
    display: block;
    font-family: var(--font-display);
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.contact-item a,
.contact-item span {
    color: var(--text-medium);
    font-size: 0.95rem;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 600px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-brand {
    display: flex;
    align-items: center;
}

.footer-logo {
    height: 50px;
    width: auto;
}

.footer-nav {
    display: flex;
    gap: 2rem;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-nav a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

/* ============================================
   Legal Pages (Impressum)
   ============================================ */
.legal-page {
    padding-top: 80px;
}

.legal-hero {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.legal-hero h1 {
    color: white;
    margin-bottom: 0.5rem;
}

.legal-hero p {
    opacity: 0.8;
    margin: 0;
}

.legal-content {
    padding: 4rem 0;
    background: var(--bg-light);
}

.legal-grid {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.legal-section {
    margin-bottom: 2rem;
}

.legal-section.full-width {
    grid-column: 1 / -1;
}

.legal-section h2 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--secondary-dark);
}

.legal-section h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.legal-card {
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1rem;
}

.legal-card p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.8;
}

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

.legal-card a {
    word-break: break-all;
}

.legal-source {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 3rem;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 600px) {
    :root {
        --section-padding: 4rem;
    }
    
    .hero {
        min-height: auto;
        padding: 8rem 0 6rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .floating-shape {
        opacity: 0.3;
    }
    
    .involvement-grid {
        gap: 1rem;
    }
}

/* Animations for scroll reveal */
.info-card,
.project-card,
.involvement-card,
.contact-item {
    transition-delay: calc(var(--i, 0) * 0.1s);
}

.info-card:nth-child(1) { --i: 0; }
.info-card:nth-child(2) { --i: 1; }
.info-card:nth-child(3) { --i: 2; }

.project-card:nth-child(1) { --i: 0; }
.project-card:nth-child(2) { --i: 1; }
.project-card:nth-child(3) { --i: 2; }
.project-card:nth-child(4) { --i: 3; }
.project-card:nth-child(5) { --i: 4; }
.project-card:nth-child(6) { --i: 5; }
.project-card:nth-child(7) { --i: 6; }
.project-card:nth-child(8) { --i: 7; }
.project-card:nth-child(9) { --i: 8; }
.project-card:nth-child(10) { --i: 9; }

.involvement-card:nth-child(1) { --i: 0; }
.involvement-card:nth-child(2) { --i: 1; }
.involvement-card:nth-child(3) { --i: 2; }

.contact-item:nth-child(1) { --i: 0; }
.contact-item:nth-child(2) { --i: 1; }
.contact-item:nth-child(3) { --i: 2; }