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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background: white;
    border-bottom: 2px solid #e0e0e0;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.logo-icon {
    color: #1976d2;
    font-size: 1.8rem;
}

.logo-text {
    color: #333;
}

.logo-webdav {
    color: #d32f2f;
}

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

.nav-menu a {
    color: #1976d2;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-menu a:hover {
    color: #1565c0;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #1976d2;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.hero-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #1565c0;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-price {
    font-size: 4rem;
    font-weight: 700;
    color: #d32f2f;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #555;
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #d32f2f;
    color: white;
}

.btn-primary:hover {
    background: #c62828;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(211, 47, 47, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #1976d2;
    border: 2px solid #1976d2;
}

.btn-secondary:hover {
    background: #1976d2;
    color: white;
}

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

.cloud-icon {
    width: 100%;
    max-width: 400px;
    height: auto;
}

.footer {
    background: white;
    border-top: 2px solid #e0e0e0;
    padding: 2rem;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-links a {
    color: #1976d2;
    text-decoration: none;
    font-size: 0.875rem;
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-copyright {
    color: #666;
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 0;
        flex-direction: column;
        background-color: white;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        padding: 5rem 2rem 2rem;
        gap: 1.5rem;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        z-index: 1000;
    }

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

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

    .nav-menu a {
        display: block;
        padding: 0.75rem 0;
        font-size: 1.125rem;
    }

    .hero-section {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1rem;
        gap: 2rem;
    }

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

    .hero-price {
        font-size: 3rem;
    }

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

    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }

    .footer {
        padding: 1.5rem 1rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.25rem;
    }

    .logo-icon {
        font-size: 1.5rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-price {
        font-size: 2.5rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }

    .nav-menu {
        width: 80%;
    }
}