/* ==========================================
   CSS Variables - Blau & Gelb Farbschema
   ========================================== */
:root {
    --primary-blue: #1e40af;
    --primary-blue-light: #3b82f6;
    --primary-blue-dark: #1e3a8a;
    --secondary-yellow: #fbbf24;
    --secondary-yellow-light: #fcd34d;
    --secondary-yellow-dark: #f59e0b;
    
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-gray-light: #f9fafb;
    --bg-gray: #f3f4f6;
    
    --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);
    
    --transition: all 0.3s ease;
    --border-radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.logo i {
    font-size: 1.8rem;
    color: var(--secondary-yellow);
}

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

.nav-menu li a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-yellow);
    transition: var(--transition);
}

.nav-menu li a:hover {
    color: var(--primary-blue);
}

.nav-menu li a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 3px;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin-top: 70px;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    opacity: 0.5;
    z-index: 0;
}

.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"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.1;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(251, 191, 36, 0.2) 0%, transparent 50%),
                linear-gradient(135deg, rgba(30, 64, 175, 0.4) 0%, rgba(30, 58, 138, 0.5) 100%);
    z-index: 1;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s;
    animation-fill-mode: both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s;
    animation-fill-mode: both;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 2rem;
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 2;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--secondary-yellow);
    color: var(--text-dark);
}

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

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

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

/* ==========================================
   Section Styles
   ========================================== */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

/* ==========================================
   Services Section
   ========================================== */
.leistungen {
    background: var(--bg-gray-light);
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue-light), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.service-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* ==========================================
   Projects Section (Instagram-inspired)
   ========================================== */
.projekte {
    background: white;
}

.projects-slider-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 40px 0;
}

.projects-slider-wrapper {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.projects-slider-wrapper::before,
.projects-slider-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 150px;
    z-index: 2;
    pointer-events: none;
}

.projects-slider-wrapper::before {
    left: 0;
    background: linear-gradient(to right, white, transparent);
}

.projects-slider-wrapper::after {
    right: 0;
    background: linear-gradient(to left, white, transparent);
}

.projects-grid {
    display: flex;
    gap: 30px;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px 0;
}

.slider-nav {
    background: var(--primary-blue);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    flex-shrink: 0;
    z-index: 3;
}

.slider-nav:hover {
    background: var(--secondary-yellow-dark);
    transform: scale(1.1);
}

.slider-nav:active {
    transform: scale(0.95);
}

.project-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    flex-shrink: 0;
    width: 320px;
    opacity: 0.5;
    transform: scale(0.85);
}

.project-card.center {
    opacity: 1;
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    z-index: 1;
}

.project-card:hover {
    box-shadow: var(--shadow-xl);
}

.project-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    position: relative;
}

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

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

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--primary-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    transition: var(--transition);
}

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

.project-category {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(247, 216, 3, 0.95);
    color: var(--text-dark);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    z-index: 2;
    transition: var(--transition);
}

.project-card:hover .project-category {
    background: var(--secondary-yellow);
    transform: scale(1.05);
}

.project-info {
    padding: 1.2rem;
    background: white;
}

.project-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.project-info p {
    color: var(--text-gray);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 0.5rem;
}

.project-info i {
    color: var(--secondary-yellow);
}

.project-year {
    display: inline-block;
    background: var(--primary-blue);
    color: white;
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ==========================================
   Project Modal
   ========================================== */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.project-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--border-radius);
    max-width: 1200px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease;
    z-index: 1;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: var(--secondary-yellow);
    border: none;
    border-radius: 50%;
    color: var(--text-dark);
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.modal-close:hover {
    background: var(--secondary-yellow-dark);
    transform: rotate(90deg);
}

.modal-project-nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.7);
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    color: white;
    font-size: 1.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 1001;
    backdrop-filter: blur(10px);
}

.modal-project-prev {
    left: calc(50% - 660px);
}

.modal-project-next {
    right: calc(50% - 660px);
}

.modal-project-nav:hover {
    background: rgba(0, 0, 0, 0.8);
    border-color: var(--secondary-yellow);
    color: var(--secondary-yellow);
    transform: translateY(-50%) scale(1.1);
}

.modal-project-nav:active {
    transform: translateY(-50%) scale(0.95);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-height: 90vh;
}

.modal-image-gallery {
    position: relative;
    background: var(--bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.modal-nav {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    align-items: center;
}

.modal-nav-btn {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    color: var(--primary-blue);
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.modal-nav-btn:hover {
    background: var(--secondary-yellow);
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.modal-nav-indicator {
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 16px;
    border-radius: 20px;
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    white-space: nowrap;
}

.view-label {
    animation: fadeInUp 0.5s ease;
}

.modal-info {
    padding: 2rem;
    overflow-y: auto;
}

.modal-info h2 {
    color: var(--primary-blue);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.modal-location,
.modal-year {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.8rem;
    color: var(--text-gray);
    font-size: 1rem;
}

.modal-location i,
.modal-year i {
    color: var(--secondary-yellow);
    font-size: 1.1rem;
}

.modal-details {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--bg-gray);
}

.modal-details h3 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.modal-details ul {
    list-style: none;
    padding: 0;
}

.modal-details li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--bg-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-details li:last-child {
    border-bottom: none;
}

.modal-detail-label {
    color: var(--text-dark);
    font-weight: 600;
}

.modal-detail-value {
    color: var(--text-gray);
    text-align: right;
}

/* ==========================================
   News Section
   ========================================== */
.news {
    background: var(--bg-gray-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.news-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

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

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

.news-content {
    padding: 1.5rem;
}

.news-date {
    display: inline-block;
    background: var(--secondary-yellow);
    color: var(--text-dark);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.news-content h3 {
    color: var(--primary-blue);
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

.news-content p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* ==========================================
   About Section
   ========================================== */
.about {
    background: var(--bg-gray-light);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
    font-size: 1.1rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 2rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--secondary-yellow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    align-items: center;
}

.feature-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.feature-image {
    width: 80px;
    height: 80px;
    min-width: 80px;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
}

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

.feature-fallback {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue-light), var(--primary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.feature-item i {
    font-size: 2rem;
    color: var(--secondary-yellow);
    min-width: 40px;
}

.feature-item h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
    background: white;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue-light), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-details p {
    color: var(--text-gray);
    line-height: 1.8;
}

.contact-details a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--primary-blue);
}

.contact-form {
    background: var(--bg-gray-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

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

.form-group textarea {
    resize: vertical;
}

.contact-form .btn-primary {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--primary-blue-dark);
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: var(--secondary-yellow);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.footer-section h4 {
    color: var(--secondary-yellow);
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--secondary-yellow);
}

.footer-section ul li i {
    color: var(--secondary-yellow);
    margin-right: 10px;
    width: 20px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-yellow);
    color: var(--primary-blue-dark);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-wrapper,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .slider-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .project-card {
        width: 280px;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .modal-project-prev {
        left: 15px;
    }
    
    .modal-project-next {
        right: 15px;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .slider-nav {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .project-card {
        width: 260px;
        scroll-snap-align: center;
        scroll-snap-stop: always;
    }
    
    .projects-slider-container {
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        scroll-behavior: smooth;
    }
    
    .projects-slider-container::-webkit-scrollbar {
        display: none;
    }
    
    .projects-slider-wrapper {
        overflow-x: visible;
    }
    
    .projects-slider-wrapper::before,
    .projects-slider-wrapper::after {
        display: none;
    }
    
    .projects-grid {
        justify-content: flex-start;
        padding-left: calc(50vw - 130px);
        padding-right: calc(50vw - 130px);
    }
    
    /* Hide slider navigation buttons on very small screens */
    .slider-nav {
        display: none;
    }
    
    .hero {
        margin-top: 60px;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .logo i {
        font-size: 1.5rem;
    }
    
    .feature-image {
        width: 60px;
        height: 60px;
        min-width: 60px;
    }
    
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        max-width: 95%;
    }
    
    .modal-project-nav {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
    
    .modal-project-prev {
        left: 10px;
    }
    
    .modal-project-next {
        right: 10px;
    }
    
    .modal-image-gallery {
        min-height: 300px;
        max-height: 50vh;
    }
    
    .modal-info {
        padding: 1.5rem;
    }
    
    .modal-info h2 {
        font-size: 1.5rem;
    }
}