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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background: #ffffff;
    min-height: 100vh;
}

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

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.6rem;
    font-weight: 800;
    color: #4c63d2;
}

.nav-logo img {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(76, 99, 210, 0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: #2d3748;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 8px;
}

.nav-menu a:hover {
    color: #4c63d2;
    background: rgba(76, 99, 210, 0.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: #4c63d2;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding: 120px 20px 60px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px;
    margin-top: 20px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 24px;
    z-index: 0;
}

.hero-content {
    flex: 1;
    z-index: 1;
    position: relative;
}

.hero-content h1 {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 24px;
    color: #ffffff;
    line-height: 1.1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 36px;
    color: #ffffff;
    line-height: 1.6;
    font-weight: 400;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

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

.btn-primary, .btn-secondary {
    padding: 16px 32px;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(238, 90, 82, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(255, 255, 255, 0.2);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    width: 100%;
    max-width: 380px;
    border-radius: 32px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
}

/* Features Section */
.features {
    padding: 120px 20px;
    background: #f8fafc;
}

.features h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 80px;
    color: #2d3748;
    font-weight: 800;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: #ffffff;
    padding: 48px 32px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #ff6b6b 0%, #4c63d2 100%);
}

.feature-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.15);
}

.feature-card img {
    width: 88px;
    height: 88px;
    border-radius: 20px;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.feature-card:hover img {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: #2d3748;
    font-weight: 700;
}

.feature-card p {
    color: #4a5568;
    line-height: 1.7;
    font-size: 1rem;
}

/* About Section */
.about {
    padding: 120px 20px;
    background: #ffffff;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 3rem;
    margin-bottom: 32px;
    color: #2d3748;
    font-weight: 800;
}

.about-text p {
    font-size: 1.2rem;
    margin-bottom: 24px;
    color: #4a5568;
    line-height: 1.8;
    font-weight: 400;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.about-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 24px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
    transform: perspective(1000px) rotateY(5deg) rotateX(-5deg);
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
}

/* Contact Section */
.contact {
    padding: 120px 20px;
    background: #f8fafc;
}

.contact h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 80px;
    color: #2d3748;
    font-weight: 800;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
}

.contact-info h3 {
    font-size: 1.6rem;
    margin-bottom: 24px;
    color: #2d3748;
    font-weight: 700;
}

.contact-info p {
    margin-bottom: 32px;
    color: #4a5568;
    font-size: 1.1rem;
    line-height: 1.6;
}

.contact-item {
    margin-bottom: 20px;
    color: #4a5568;
    font-size: 1rem;
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
}

.contact-form input,
.contact-form textarea {
    padding: 16px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    background: #ffffff;
    color: #2d3748;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #4c63d2;
    box-shadow: 0 0 0 3px rgba(76, 99, 210, 0.1);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    color: white;
    padding: 60px 20px 30px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    z-index: -1;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.6rem;
    font-weight: 800;
    color: #ffffff;
}

.footer-logo img {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(76, 99, 210, 0.3);
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 8px;
}

.footer-links a:hover {
    color: #ffffff;
    background: rgba(76, 99, 210, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    max-width: 1200px;
    margin: 0 auto;
    font-size: 0.95rem;
}

/* Mobile Navigation */
.nav-menu.active {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-menu.active a {
    padding: 16px 20px;
    margin: 4px 0;
    border-radius: 12px;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 140px 20px 60px;
        gap: 40px;
    }
    
    .hero::before {
        margin: 10px;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        justify-content: center;
        gap: 12px;
    }
    
    .btn-primary, .btn-secondary {
        padding: 14px 28px;
        font-size: 0.95rem;
    }
    
    .features h2 {
        font-size: 2.4rem;
        margin-bottom: 60px;
    }
    
    .features-grid {
        gap: 24px;
    }
    
    .feature-card {
        padding: 36px 24px;
    }
    
    .about-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .about-text h2 {
        font-size: 2.4rem;
        text-align: center;
    }
    
    .about-text p {
        font-size: 1.1rem;
        text-align: center;
    }
    
    .contact h2 {
        font-size: 2.4rem;
        margin-bottom: 60px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-info,
    .contact-form {
        padding: 32px 24px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
        margin-bottom: 30px;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 120px 16px 50px;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
        line-height: 1.2;
    }
    
    .hero-content p {
        font-size: 1rem;
        margin-bottom: 28px;
    }
    
    .btn-primary, .btn-secondary {
        padding: 12px 24px;
        font-size: 0.9rem;
        width: 100%;
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .features,
    .about,
    .contact {
        padding: 80px 16px;
    }
    
    .features h2,
    .about-text h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card {
        padding: 32px 20px;
    }
    
    .feature-card img {
        width: 72px;
        height: 72px;
    }
    
    .contact-info,
    .contact-form {
        padding: 28px 20px;
    }
    
    .footer {
        padding: 50px 16px 24px;
    }
    
    .footer-links {
        gap: 16px;
    }
    
    .footer-links a {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
}

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

.hero-content,
.feature-card,
.about-text,
.contact-info,
.contact-form {
    animation: fadeInUp 0.8s ease-out;
}

/* Loading states */
.hero-image img,
.about-image img,
.feature-card img {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.hero-image img.loaded,
.about-image img.loaded,
.feature-card img.loaded {
    opacity: 1;
}