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

body {
    font-family: 'Inter', sans-serif;
    background: #0f0f14;
    color: #e6e6f0;
    min-height: 100vh;
}

/* Main page wrapper */

#site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */

#site-header {
    padding: 1.5rem 2rem;
    background: linear-gradient(
        135deg,
        #1a1a22,
        #201a2d
    );

    border-bottom: 1px solid rgba(255,255,255,0.05);
}

#site-header h1 {
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* Content Page */

#content-page {
    flex: 1;

    display: flex;
    justify-content: center;
    align-items: center;

    padding: 2rem;

    background: radial-gradient(
        circle at top,
        #262636,
        #181821 60%,
        #121218
    );
}

/* Start Menu Layout */

#start-menu-container {
    width: 100%;
    max-width: 900px;
}

/* Menu Panels */

.menu-panel {
    display: none;

    padding: 2.5rem;

    border-radius: 14px;

    background: linear-gradient(
        145deg,
        rgba(40,40,55,0.95),
        rgba(28,26,40,0.95)
    );

    backdrop-filter: blur(6px);

    box-shadow:
        0 15px 40px rgba(0,0,0,0.4),
        inset 0 0 0 1px rgba(255,255,255,0.05);

    animation: fadeIn 0.25s ease;
}

.menu-panel.active {
    display: block;
}

/* Headings */

h2 {
    font-weight: 600;
    margin-bottom: 1.5rem;
}

/* Buttons */

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

button {
    font-family: inherit;
    font-size: 1rem;

    padding: 0.9rem 1.2rem;

    border-radius: 8px;

    border: none;

    background: linear-gradient(
        135deg,
        #6c4dff,
        #8a5dff
    );

    color: white;

    cursor: pointer;

    transition: all 0.2s ease;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(100,70,255,0.3);
}

.back-button {
    margin-top: 2rem;

    background: #2a2a38;
}

.back-button:hover {
    background: #353545;
}

/* Dynamic content areas */

.dynamic-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Animations */

@keyframes fadeIn {

    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }

}