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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Navigation */
.navbar {
    background: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 20px;
}

.nav-brand {
    display: inline-block;
    text-decoration: none;
    transition: transform 0.3s ease;
    margin-left: -200px;
}

.nav-brand:hover {
    transform: scale(1.02);
}

.logo {
    height: 100px;
    padding: 10px;
    width: auto;
    display: block;
    transition: all 0.3s ease;
    object-fit: contain;
    object-position: left center;
    max-width: 350px;
    background: #ffffff;
    filter: brightness(1.1);
}

.nav-brand:hover .logo {
    filter: brightness(1.1);
}

@keyframes gradient-flow {
    0% {
        background-position: 0% center;
    }
    50% {
        background-position: 100% center;
    }
    100% {
        background-position: 0% center;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-3px);
    }
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.95);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.05);
    }
}

@keyframes wiggle {
    0%, 100% {
        transform: rotate(0deg) scale(1.05);
    }
    25% {
        transform: rotate(-2deg) scale(1.07);
    }
    75% {
        transform: rotate(2deg) scale(1.07);
    }
}

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

.nav-menu a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #2c3e50;
}

/* Language Switcher */
.language-switcher {
    display: none;
    gap: 0.5rem;
    align-items: center;
    list-style: none;
}

.lang-btn {
    background: none;
    border: none;
    color: #555;
    padding: 0;
    cursor: pointer;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.lang-btn:hover {
    color: #2c3e50;
}

.lang-btn.active {
    color: #2c3e50;
    font-weight: 600;
}

.lang-divider {
    color: #ccc;
    font-size: 1rem;
}

/* Hamburger Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #2c3e50;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.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);
}

/* Overlay */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.overlay.active {
    display: block;
    opacity: 1;
}

/* Hero Section */
.hero {
    position: relative;
    overflow: hidden;
}

.hero.hero-home {
    height: 600px;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 120px 20px;
}

.hero-slide.active {
    opacity: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    padding: 0 20px;
    z-index: 10;
}

.slider-prev,
.slider-next {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    font-size: 2rem;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.3s;
}

.slider-prev:hover,
.slider-next:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* Slider Dots */
.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.3s;
}

.dot.active {
    background: white;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-primary {
    background: white;
    color: #667eea;
}

.btn-secondary {
    background: #2c3e50;
    color: white;
}

/* Features Section */
.features {
    padding: 80px 20px;
    background: #f8f9fa;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.feature-card p {
    color: #666;
}

/* Content Sections */
.content-section {
    padding: 20px 20px 80px 20px;
}

.content-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.content-section p {
    font-size: 1.125rem;
    color: #666;
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.content-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.content-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.content-card p,
.content-card ul {
    color: #666;
}

.content-card ul {
    list-style: none;
    padding-left: 0;
}

.content-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.content-card ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #667eea;
}

/* Portfolio Items */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.portfolio-item {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.portfolio-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.portfolio-item-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
}

.portfolio-item-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.portfolio-item-content {
    padding: 2rem;
}

.portfolio-item-content p {
    color: #666;
    margin-bottom: 1rem;
}

.portfolio-tag {
    display: inline-block;
    background: #f0f0f0;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    margin-right: 0.5rem;
    margin-top: 0.5rem;
    color: #555;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 3rem auto;
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.btn-submit {
    width: 100%;
    background: #667eea;
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: #5568d3;
}

.btn-submit:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.form-status {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 500;
}

.form-status.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-status.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Success Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    max-width: 500px;
    width: 90%;
    position: relative;
    animation: modalSlideIn 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

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

.modal-close {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 2rem;
    font-weight: 300;
    color: #999;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.modal-close:hover {
    color: #333;
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: #4CAF50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    margin: 0 auto 1.5rem;
    animation: checkPop 0.5s ease 0.2s both;
}

@keyframes checkPop {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.modal-content h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.75rem;
}

.modal-content p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.btn-modal {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-modal:hover {
    background: #5568d3;
}

.contact-info {
    max-width: 600px;
    margin: 3rem auto 0;
    text-align: center;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.contact-info p {
    color: #666;
    margin-bottom: 0.5rem;
}

/* CTA Section */
.cta-section {
    background: #2c3e50;
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background: #1a1a1a;
    color: white;
    padding: 2rem 20px;
    text-align: center;
}

footer p {
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: row;
        justify-content: space-between;
        padding: 1rem 20px;
    }

    .nav-brand {
        margin-left: 0;
    }

    .logo {
        height: 60px;
        max-width: 280px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu .language-switcher {
        border-top: 1px solid #f0f0f0;
        padding: 1rem 2rem;
        margin-top: 0.5rem;
    }

    .nav-menu .lang-btn {
        font-size: 1rem;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background: #ffffff;
        flex-direction: column;
        gap: 0;
        padding: 80px 0 20px 0;
        box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 999;
        overflow-y: auto;
    }

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

    .nav-menu li {
        margin: 0;
        width: 100%;
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-menu a {
        display: block;
        padding: 1rem 2rem;
        font-size: 1rem;
        color: #2c3e50;
        width: 100%;
    }

    .nav-menu a:hover,
    .nav-menu a.active {
        background: #f8f9fa;
        color: #667eea;
    }

    .hero.hero-home {
        height: 400px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .slider-controls {
        padding: 0 10px;
    }

    .slider-prev,
    .slider-next {
        font-size: 1.5rem;
        padding: 8px 12px;
    }

    .content-section h2,
    .cta-section h2 {
        font-size: 2rem;
    }

    .feature-grid,
    .content-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}