/* Done-IT - Main Stylesheet */
/* Professional Blue/Gray Theme */

/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --secondary-dark: #475569;
    --secondary-light: #94a3b8;
    --accent-color: #0ea5e9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    z-index: 100;
    border-radius: 0 0 var(--radius-md) 0;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    /* Mobile Navigation */
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        border-radius: 0 0 20px 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
    }
    
    .main-nav li {
        width: 100%;
        border-bottom: 1px solid rgba(102, 126, 234, 0.1);
    }
    
    .main-nav a {
        display: block;
        padding: 15px 24px;
        font-size: 16px;
        transition: all 0.2s ease;
    }
    
    .main-nav a:hover {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
        transform: translateX(10px);
    }
    
    /* Mobile Dropdown */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        left: 0;
        background: rgba(248, 250, 252, 0.9);
        box-shadow: none;
        border-radius: 0;
        margin-top: 10px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .dropdown.active .dropdown-menu {
        max-height: 300px;
    }
    
    .dropdown-menu a {
        padding: 12px 40px;
        font-size: 14px;
        border-left: 3px solid transparent;
    }
    
    .dropdown-menu a:hover {
        border-left-color: #667eea;
        background: rgba(102, 126, 234, 0.05);
        transform: none;
    }
    
    /* Mobile Logo */
    .logo-img {
        height: 40px;
    }
}

/* Back to Home Button */
.back-home {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    border-radius: 20px !important;
    padding: 8px 16px !important;
    font-weight: 600 !important;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3) !important;
}

.back-home:hover {
    transform: translateY(-2px) scale(1.05) !important;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4) !important;
    background: linear-gradient(135deg, #5a67d8 0%, #6a4190 100%) !important;
}

/* Mobile Menu Toggle Animation */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
    opacity: 1;
    transform: rotate(0deg);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

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

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

/* Modern Logo Design */
.logo-image {
    display: block;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.logo-img {
    height: 50px;
    width: auto;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.logo-image:hover .logo-img {
    transform: scale(1.1) rotate(2deg);
    filter: drop-shadow(0 4px 16px rgba(102, 126, 234, 0.3));
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
    color: var(--text-primary);
}

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

/* Modern Horizontal Navigation */
.main-nav ul {
    display: flex !important;
    list-style: none;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.main-nav li {
    display: block !important;
}

@media (max-width: 1200px) {
    .main-nav ul {
        gap: 16px;
    }
}

@media (max-width: 980px) {
    .main-nav ul {
        gap: 12px;
    }
}

/* Dropdown Styles */
.dropdown {
    position: relative;
    display: block !important; /* Force visibility */
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.dropdown-toggle .arrow {
    font-size: 8px;
    transition: transform 0.2s ease;
    margin-left: 6px;
    opacity: 0.7;
}

.dropdown:hover .dropdown-toggle .arrow {
    transform: rotate(180deg);
    opacity: 1;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    transform: translateY(5px);
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 8px 0;
    min-width: 180px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1000;
}

.dropdown:hover .dropdown-menu,
.dropdown.hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu {
    display: flex;
    flex-direction: column;
}

.dropdown-menu li {
    width: 100%;
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    color: #374151;
    text-decoration: none;
    transition: all 0.15s ease;
    font-size: 14px;
    line-height: 1.4;
    font-weight: 500;
}

.dropdown-menu a:hover {
    background-color: #f8fafc;
    color: #667eea;
    padding-left: 20px;
}

.main-nav a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    position: relative;
    padding: 8px 0;
    transition: color var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active,
.main-nav a[aria-current="page"] {
    color: var(--primary-color);
    font-weight: 600;
}

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

.main-nav a:hover::after,
.main-nav a.active::after,
.main-nav a[aria-current="page"]::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary-color);
    color: white !important;
    padding: 10px 20px !important;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: transform var(--transition-base), opacity var(--transition-base);
    border-radius: 2px;
}

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

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

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

@media (max-width: 968px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-bottom: 1px solid var(--border-color);
        padding: 16px 0;
        display: none;
        box-shadow: var(--shadow-lg);
    }

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

    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .main-nav li {
        width: 100%;
    }

    .main-nav a {
        display: block;
        padding: 16px 24px;
    }

    .nav-cta {
        margin: 8px 24px;
        display: inline-block;
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: white;
}

.hero-background {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.85) 0%, rgba(15, 23, 42, 0.75) 100%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    padding-top: 80px;
    padding-bottom: 80px;
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
}

.hero-title .highlight {
    color: #60a5fa;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-contact {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: background var(--transition-base), transform var(--transition-fast);
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: white;
}

@media (max-width: 768px) {
    .hero {
        min-height: 500px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    text-decoration: none;
}

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

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

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

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

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

.btn-secondary-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-lg {
    padding: 16px 36px;
    font-size: 18px;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 48px;
    color: var(--text-primary);
}

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

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 32px;
        margin-bottom: 32px;
    }
}

/* Why Section */
.why-section {
    background: var(--bg-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.benefit-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border: 1px solid var(--border-color);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.benefit-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.service-card {
    display: block;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    text-decoration: none;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-image {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.service-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.1) 100%);
}

.service-content {
    padding: 32px;
}

.service-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.service-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: transform var(--transition-fast);
}

.service-card:hover .service-link {
    transform: translateX(4px);
}

/* CTA Section */
.cta-section {
    background: var(--bg-dark);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 24px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .cta-content h2 {
        font-size: 32px;
    }

    .cta-content p {
        font-size: 18px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: white;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-col p {
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col a {
    color: var(--text-light);
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: background var(--transition-base), transform var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-4px);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact svg {
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
    position: relative;
}

/* Admin Icon in Footer Social - Dezent und fast transparent */
.footer-social .admin-icon {
    opacity: 0.3;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.footer-social .admin-icon:hover {
    opacity: 1;
    transform: scale(1.1);
}

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

/* Focus Styles for Accessibility */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}

/* Footer Logo Styles */
.footer-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-header h4 {
    margin: 0;
    flex-shrink: 0;
}

.footer-logo {
    margin-bottom: 16px;
}

.footer-header .footer-logo {
    margin-bottom: 0;
}

.footer-logo-img {
    height: 32px;
    width: auto;
    opacity: 0.9;
    transition: opacity var(--transition-base);
    animation: logoGlow 4s ease-in-out infinite;
}

.footer-logo-img:hover {
    opacity: 1;
    animation-play-state: paused;
}

/* Footer Done-IT text glow animation */
.footer-header h4 {
    animation: logoGlow 4s ease-in-out infinite;
    transition: all var(--transition-base);
}

.footer-header h4:hover {
    animation-play-state: paused;
}

@keyframes logoGlow {
    0%, 85%, 100% {
        opacity: 0.9;
        filter: brightness(1) drop-shadow(0 0 0px transparent);
    }
    90% {
        opacity: 1;
        filter: brightness(1.2) drop-shadow(0 0 8px rgba(24, 144, 255, 0.6));
    }
    95% {
        opacity: 1;
        filter: brightness(1.1) drop-shadow(0 0 12px rgba(24, 144, 255, 0.8));
    }
}

/* Pulsing Heart Animation */
.heart {
    color: #e74c3c;
    font-size: 1em;
    animation: heartbeat 1.5s ease-in-out infinite;
    display: inline-block;
}

@keyframes heartbeat {
    0% {
        transform: scale(1);
    }
    14% {
        transform: scale(1.1);
    }
    28% {
        transform: scale(1);
    }
    42% {
        transform: scale(1.1);
    }
    70% {
        transform: scale(1);
    }
}

/* Glowing Button Animation for Contact CTAs */
@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(37, 99, 235, 0.4),
                    0 0 10px rgba(37, 99, 235, 0.3),
                    0 0 15px rgba(37, 99, 235, 0.2);
    }
    50% {
        box-shadow: 0 0 10px rgba(37, 99, 235, 0.6),
                    0 0 20px rgba(37, 99, 235, 0.5),
                    0 0 30px rgba(37, 99, 235, 0.4),
                    0 0 40px rgba(37, 99, 235, 0.3);
    }
}

/* White glow for outline buttons */
@keyframes glowPulseWhite {
    0%, 100% {
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.4),
                    0 0 10px rgba(255, 255, 255, 0.3),
                    0 0 15px rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.6),
                    0 0 20px rgba(255, 255, 255, 0.5),
                    0 0 30px rgba(255, 255, 255, 0.4);
    }
}

/* Apply glow to contact buttons */
.btn-primary[href*="/kontakt"],
.btn-primary[href*="kontakt"],
a[href*="/kontakt/"].btn-primary,
button[type="submit"] {
    animation: glowPulse 2.5s ease-in-out infinite;
    position: relative;
}

.btn-primary[href*="/kontakt"]:hover,
.btn-primary[href*="kontakt"]:hover,
a[href*="/kontakt/"].btn-primary:hover,
button[type="submit"]:hover {
    animation: glowPulse 1.5s ease-in-out infinite;
}

/* Apply white glow to outline contact buttons */
.btn-secondary-outline[href*="/kontakt"],
a[href*="/kontakt/"].btn-secondary-outline {
    animation: glowPulseWhite 2.5s ease-in-out infinite;
    position: relative;
}

.btn-secondary-outline[href*="/kontakt"]:hover,
a[href*="/kontakt/"].btn-secondary-outline:hover {
    animation: glowPulseWhite 1.5s ease-in-out infinite;
}

/* Knowledge & Blog Section Styles */
.knowledge-blog-section {
    padding: 100px 0;
    background: var(--surface-secondary);
}

.knowledge-blog-section .section-header {
    margin-bottom: 60px;
}

.blog-categories {
    margin-bottom: 80px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.blog-category {
    background: var(--surface-primary);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.blog-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(24, 144, 255, 0.1);
    border-color: var(--primary-color);
}

.blog-category .category-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--primary-color), #40a9ff);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.blog-category h3 {
    color: var(--text-primary);
    margin-bottom: 16px;
    font-size: 1.4rem;
}

.blog-category p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

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

.topic-list li {
    padding: 8px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.topic-list li:last-child {
    border-bottom: none;
}

.topic-list li:before {
    content: "→";
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 12px;
}

.blog-highlights {
    margin-bottom: 60px;
}

.blog-highlights h3 {
    color: var(--text-primary);
    margin-bottom: 40px;
    text-align: center;
    font-size: 2rem;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--surface-secondary);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(24, 144, 255, 0.1);
    border-color: var(--primary-color);
}

.blog-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.blog-meta .category {
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.blog-meta .date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.blog-card h4 {
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.4;
    font-size: 1.2rem;
}

.blog-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-base);
}

.read-more:hover {
    color: #40a9ff;
}

.newsletter-signup {
    background: linear-gradient(135deg, var(--primary-color), #40a9ff);
    border-radius: 16px;
    padding: 60px 40px;
    text-align: center;
    color: white;
}

.newsletter-content h4 {
    color: white;
    margin-bottom: 16px;
    font-size: 1.8rem;
}

.newsletter-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    gap: 16px;
    max-width: 400px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: 16px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    color: var(--text-primary);
}

.newsletter-form input::placeholder {
    color: #999;
}

.newsletter-form button {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    padding: 16px 32px;
    border-radius: 8px;
    font-weight: 600;
    transition: all var(--transition-base);
    cursor: pointer;
}

.newsletter-form button:hover {
    background: white;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        min-width: auto;
    }
    
    .knowledge-blog-section {
        padding: 60px 0;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .article-grid {
        grid-template-columns: 1fr;
    }
}