:root {
    --primary-color: #FAF9F6;
    --secondary-color: black;
    --theme-color: #f1c40f;
}
html, body {
    width: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}
*, *::before, *::after {
    box-sizing: inherit;
}
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.2em;
    background-color: var(--secondary-color);
    color: white;
    text-align: right;
    transition: background-color 0.3s ease;
    z-index: 1000;
    cursor: pointer;
}
header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 90%;
    margin: 0 auto;
}
header .container img {
    height: 5rem;
}
header .nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}
header .nav a {
    color: white;
    font-size: 16px;
    transition: color 0.3s ease;
}
header .nav a:hover {
    color: var(--theme-color);
    text-decoration: none;
}
footer {
    position: relative;
    color: white;
    padding: 10px 0;
    width: 100%;
    bottom: 0;
    text-align: center;
    padding: 10px;
    font-size: 11px;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--secondary-color);
}
a {
    color: white;
    font-weight: 500;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
.right-column {
    width: 100%;
    background-color: var(--primary-color);
    position: relative;
    overflow: hidden;
}
.content-block {
    margin: 6rem;
    opacity: 0;
    transition: opacity 0.5s, transform 0.5s;
}
.content-block.animate {
    opacity: 1;
    transform: translateY(0);
}
.content-block h2 {
    font-size: 40px;
    font-weight: 100;
}
.content-block p {
    font-size: 18px;
    line-height: 1.5;
}
.primary-section, .secondary-section {
    display: flex;
}
.primary-section .right-column {
    background-color: var(--primary-color);
}
.secondary-section .right-column {
    background-color: #1a1a1a;
}
button {
    background-color: #0077ff;
    color: white;
    border: none;
    padding: 0.75rem;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
}
button:hover {
    background-color: #005ec2;
}

@media (max-width: 768px) {
    .content-block {
        margin: 2.5rem 1.5rem;
    }
    .nav {
        display: none;
    }
}