* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #f1f5f9;
    color: #0f172a;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #e2e8f0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}
main {
    margin-top: 5rem;
    flex: 1;
}
.header_brand {
    width: 100%;
    padding: 0.75rem 2rem;
}
.header_brand_title {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: #0f172a;
    font-weight: 600;
    font-size: 1.25rem;
}
.header_brand_title_logo {
    height: 3rem;
    width: auto;
}
.main {
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
}
#scrollButton {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-color: #4f46e5;
    border: none;
    cursor: pointer;
    color: white;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
    transition: 0.2s;
    z-index: 9999;
}
#scrollButton:hover {
    background-color: #4338ca;
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
#scrollButton:active {
    transform: scale(0.95);
}
.footer {
    background-color: #ffffff;
    border-top: 1px solid #e2e8f0;
    width: 100%;
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    font-size: 0.85rem;
    color: #475569;
}
.footer_row_top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 15%;
    gap: 2rem;
}
.footer_mail {
    flex-shrink: 0;
}
.footer_link {
    flex-shrink: 0;
}
.footer_row_bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}
.footer_mail a,
.footer_link a {
    color: #4f46e5;
    text-decoration: none;
    transition: color 0.2s;
}
.footer_mail a:hover,
.footer_link a:hover {
    text-decoration: underline;
    color: #4338ca;
}
.footer_brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.footer_brand img {
    height: 1.8rem;
    width: auto;
    opacity: 0.7;
}
@media (max-width: 768px) {
    main {
        margin-top: 4rem;
    }
    .header_brand {
        padding: 0.5rem 1rem;
    }
    .header_brand_title_logo {
        height: 2.4rem;
    }
    .footer_row_top {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        padding: 0 1rem;
    }
    .footer {
        padding: 0.75rem 0;
    }
    .footer_brand img {
        height: 1.5rem;
    }
    #scrollButton {
        bottom: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
    }
}
@media (max-width: 480px) {
    main {
        margin-top: 3.5rem;
    }
    .footer_row_top {
        padding: 0 0.75rem;
    }
    .header_brand_title_logo {
        height: 2rem;
    }
}