/* ===================================
   Leucht Reklame Wien - Custom Styles
   =================================== */

/* Root Variables */
:root {
    --primary-color: #ff6b35;
    --secondary-color: #004e89;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
    --text-color: #333;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

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

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

.section-padding {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

/* Navigation */
#mainNav {
    background: transparent;
    padding: 20px 0;
    transition: var(--transition);
}

#mainNav.scrolled {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff !important;
}

.navbar-brand i {
    color: var(--primary-color);
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

.language-switcher .btn {
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,106.7C1248,96,1344,96,1392,96L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
    opacity: 0.3;
    animation: wave 20s linear infinite;
}

@keyframes wave {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-buttons .btn {
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.hero-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.trust-indicators {
    margin-top: 80px;
}

.trust-item {
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    transition: var(--transition);
}

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

.trust-item h3 {
    margin-bottom: 0;
}

/* Service Cards */
.service-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: rotate(360deg);
}

.service-card h4 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-card p {
    color: #666;
    margin-bottom: 0;
}

/* About Section */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.feature-list li {
    padding: 12px 0;
    font-size: 1.1rem;
    border-bottom: 1px solid #eee;
}

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

.about-image-wrapper {
    position: relative;
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    border-radius: 15px;
    z-index: -1;
}

/* Project Cards */
.project-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.project-card-link:hover {
    color: inherit;
    text-decoration: none;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
    padding: 30px 20px 20px;
    color: #fff;
    transform: translateY(0);
    transition: var(--transition);
}

.project-overlay h5 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.project-view-btn {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.project-card:hover .project-view-btn {
    opacity: 1;
    transform: translateY(0);
}

.project-view-btn .btn {
    font-size: 0.85rem;
    padding: 5px 12px;
    border-radius: 20px;
}

/* Contact Section */
.contact-info .contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item h5 {
    margin-bottom: 5px;
    color: var(--dark-color);
}

.contact-item p {
    margin-bottom: 0;
    color: #666;
}

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

.contact-item a:hover {
    color: var(--secondary-color);
}

.contact-form .form-control {
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    transition: var(--transition);
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
}

.contact-form textarea.form-control {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--dark-color);
    padding: 60px 0 30px;
    color: #fff;
}

.footer h5 {
    color: #fff;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-5px);
}

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Loading Animation */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 991px) {
    .section-padding {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .navbar-collapse {
        background: rgba(26, 26, 46, 0.95);
        padding: 20px;
        border-radius: 10px;
        margin-top: 20px;
    }
    
    .language-switcher {
        margin-top: 15px;
    }
}

@media (max-width: 767px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons .btn {
        padding: 12px 30px;
        font-size: 0.9rem;
    }
    
    .trust-item h3 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

/* Print Styles */
@media print {
    .navbar, .scroll-top, .footer {
        display: none;
    }
}

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

/* Focus Styles */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-1);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}