/* Website essentials section — soft, on-brand blue glow accents. */
.ocf-essentials-section {
    background:
        radial-gradient(ellipse at 8% 18%, rgba(87, 155, 255, .10), transparent 34%),
        radial-gradient(ellipse at 92% 78%, rgba(83, 126, 255, .09), transparent 35%),
        var(--dakota-bg-alt);
    color: var(--ocf-body);
}
.ocf-essentials-heading {
    max-width: 780px;
    margin: 0 auto calc(var(--ocf-grid-gap) * 2.2);
    text-align: center;
}
.ocf-essentials-heading .heading-2 { margin-inline: auto; }
.ocf-essentials-intro {
    max-width: 690px;
    margin: calc(var(--ocf-grid-gap) * .75) auto 0;
    line-height: 1.75;
}
.ocf-essentials-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}
.ocf-essential-card {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    min-height: 220px;
    padding: 27px 24px;
    border: 1px solid rgba(93, 151, 255, .20);
    border-radius: var(--card-radius);
    background:
        radial-gradient(ellipse at 100% 0%, rgba(91, 153, 255, .13), transparent 55%),
        linear-gradient(145deg, var(--ocf-bg), color-mix(in srgb, var(--ocf-bg) 94%, #dbeafe));
    box-shadow: 0 8px 24px rgba(32, 92, 190, .055), 0 0 0 1px rgba(92, 153, 255, .035);
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}
.ocf-essential-card:nth-child(2),
.ocf-essential-card:nth-child(5) {
    border-color: rgba(53, 181, 145, .22);
    background:
        radial-gradient(ellipse at 100% 0%, rgba(52, 211, 153, .12), transparent 56%),
        linear-gradient(145deg, var(--ocf-bg), color-mix(in srgb, var(--ocf-bg) 95%, #d1fae5));
    box-shadow: 0 8px 24px rgba(16, 145, 112, .05), 0 0 0 1px rgba(52, 211, 153, .035);
}
.ocf-essential-card:nth-child(3),
.ocf-essential-card:nth-child(6) {
    border-color: rgba(129, 110, 255, .22);
    background:
        radial-gradient(ellipse at 100% 0%, rgba(139, 124, 255, .12), transparent 56%),
        linear-gradient(145deg, var(--ocf-bg), color-mix(in srgb, var(--ocf-bg) 95%, #e9e7ff));
    box-shadow: 0 8px 24px rgba(100, 78, 210, .05), 0 0 0 1px rgba(139, 124, 255, .035);
}
.ocf-essential-card:nth-child(4) {
    border-color: rgba(245, 158, 11, .22);
    background:
        radial-gradient(ellipse at 100% 0%, rgba(251, 191, 36, .13), transparent 56%),
        linear-gradient(145deg, var(--ocf-bg), color-mix(in srgb, var(--ocf-bg) 95%, #fef3c7));
    box-shadow: 0 8px 24px rgba(180, 120, 20, .045), 0 0 0 1px rgba(251, 191, 36, .03);
}
.ocf-essential-card:hover {
    transform: translateY(-4px);
    border-color: rgba(72, 133, 255, .48);
    box-shadow: 0 14px 34px rgba(32, 92, 190, .10), 0 0 22px rgba(91, 153, 255, .13);
}
.ocf-essential-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 22px;
    border-radius: 12px;
    background: rgba(66, 133, 244, .12);
    color: var(--ocf-primary);
    border: 1px solid rgba(66, 133, 244, .16);
    font-size: 13px;
    font-weight: var(--font-weight-bold);
    letter-spacing: .04em;
}
.ocf-essential-card h3 {
    margin: 0 0 10px;
    color: var(--ocf-heading);
    font-size: calc(var(--font-body-size) * 1.12);
    line-height: 1.35;
}
.ocf-essential-card p {
    margin: 0;
    color: var(--ocf-body);
    font-size: calc(var(--font-body-size) * .95);
    line-height: 1.7;
}
.ocf-essentials-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: calc(var(--ocf-grid-gap) * 2);
    text-align: center;
}
.ocf-essentials-footer p { margin: 0; color: var(--ocf-heading); font-weight: var(--font-weight-semibold); }
.ocf-essentials-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 13px 18px;
    border-radius: var(--radius);
    background: var(--ocf-primary);
    color: var(--ocf-primary-contrast);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: transform var(--duration), opacity var(--duration);
}
.ocf-essentials-cta:hover { transform: translateY(-2px); opacity: .92; }
@media (max-width: 1000px) {
    .ocf-essentials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ocf-essential-card { min-height: 205px; }
}
@media (max-width: 560px) {
    .ocf-essentials-grid { grid-template-columns: 1fr; }
    .ocf-essential-card { min-height: 0; padding: 23px; }
    .ocf-essential-number { margin-bottom: 18px; }
    .ocf-essentials-footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
    .ocf-essential-card, .ocf-essentials-cta { transition: none; }
    .ocf-essential-card:hover, .ocf-essentials-cta:hover { transform: none; }
}