/* Explain: CSS for page layout structure, containers, and section spacing. */
.container-x {
    width: 100%;
    max-width: 1180px;
    margin-inline: auto;
    padding-inline: 1.25rem;
}

@media (min-width: 768px) {
    .container-x { padding-inline: 2rem; }
}

.section { padding-block: var(--section-space); }
.section-tight { padding-block: clamp(2.5rem, 5vw, 4.25rem); }

.divider {
    height: 1px;
    width: 100%;
    background: var(--border-color);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.is-scrolled {
    box-shadow: 0 14px 30px -26px rgba(16, 29, 53, 0.55);
    border-bottom-color: var(--border-color);
}

.hero-glow {
    background:
        radial-gradient(70% 60% at 88% 0%, rgba(199, 166, 107, 0.12), transparent 62%),
        radial-gradient(60% 60% at 0% 100%, rgba(16, 29, 53, 0.06), transparent 62%);
}

.cta-band {
    display: grid;
    gap: 2rem;
    padding: clamp(2rem, 4vw, 3.25rem);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(120% 140% at 100% 0%, rgba(199, 166, 107, 0.26), transparent 58%),
        linear-gradient(135deg, #101D35, #0a1426 62%);
    color: #eef1f7;
}

.cta-band .eyebrow { color: var(--accent-color); }

@media (min-width: 900px) {
    .cta-band {
        grid-template-columns: 1.6fr 1fr;
        align-items: center;
    }
}

.site-footer {
    background: var(--primary-color);
    color: #c3cbdb;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}