/* --- Main Content & Section Structure --- */
main {
    max-width: 1200px; /* Content constrained */
    margin: 5rem auto; /* Spacing top/bottom */
    padding: 0 2.5rem; /* Side padding */
}

section {
    margin-bottom: 6rem; /* Generous spacing */
    background-color: transparent; /* Sections are transparent */
    padding: 0;
    border: none;
    box-shadow: none;
    position: relative;
}

.section-container {
    /* Default container style */
    padding: 4rem 3rem;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
    position: relative;
    z-index: 1;
}

/* Section Variations */
section.alt-bg .section-container {
    /* Style for alternating background */
    background-color: var(--bg-alt); 
    border-color: var(--border-alt-color);
}

/* Section Titles */
section h2 {
    font-size: 2.8rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 1rem;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-luxury) 100%);
    border-radius: 2px;
}

section h3 {
    margin-top: 2.5rem;
    margin-bottom: 1.2rem;
    color: var(--accent-luxury);
    font-size: 1.7rem;
    font-weight: 600;
}

/* YouTube Embed Section */
#youtube-videos .section-container {
    /* Optional: Add specific padding or background if needed */
}

.youtube-embed-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    margin-top: 2rem; /* Add some space above the iframe */
    border-radius: 8px; /* Rounded corners for the container */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); /* Subtle shadow */
}

.youtube-embed-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none; /* Remove default iframe border */
}