.mem-hero { background: linear-gradient(135deg, var(--midnight) 0%, var(--deep-plum) 100%); color: white; padding: 3.5rem 2rem; text-align: center; }
        .mem-hero-inner { max-width: 640px; margin: 0 auto; }
        .mem-hero-inner h2 { font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; margin-bottom: 0.75rem; line-height: 1.2; }
        .mem-hero-inner p { font-size: 0.95rem; line-height: 1.7; }
        @media (max-width: 768px) { .mem-hero { padding: 2.5rem 1.5rem; } .mem-hero-inner h2 { font-size: 1.8rem; } }

        .mem-main { max-width: 820px; margin: 0 auto; padding: 2.5rem 2rem 4.5rem; display: flex; flex-direction: column; gap: 2rem; }

        .who-bar { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; opacity: 0.8; }
        .who-bar button, .who-bar a { background: none; border: none; color: var(--accent); cursor: pointer; font-family: var(--font-ui); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; text-decoration: none; }
        .section-heading { font-family: var(--font-display); font-size: 1.4rem; color: var(--text-heading); margin-bottom: 0.5rem; }
        .section-sub { font-size: 0.85rem; opacity: 0.8; margin-bottom: 1rem; }
        .empty-note { font-size: 0.9rem; opacity: 0.75; padding: 1.5rem; text-align: center; border: 1px dashed var(--border-subtle); border-radius: 8px; }

        .cadence-toggle { display: inline-flex; border: 1px solid var(--border-subtle); border-radius: 999px; padding: 0.2rem; }
        .cadence-btn { font-family: var(--font-ui); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; background: none; border: none; padding: 0.5rem 1.2rem; border-radius: 999px; cursor: pointer; color: var(--text-body); }
        .cadence-btn.selected { background-color: var(--deep-plum); color: white; }
        :root[data-theme="dark"] .cadence-btn.selected { background-color: var(--antique-gold); color: var(--midnight); }

        .tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.25rem; }
        @media (max-width: 720px) { .tier-grid { grid-template-columns: 1fr; } }
        .tier-card { background-color: var(--bg-page); border: 1px solid var(--border-subtle); border-radius: 8px; padding: 1.25rem; cursor: pointer; transition: border-color 0.3s ease, background-color 0.3s ease; display: flex; flex-direction: column; gap: 0.5rem; }
        .tier-card:hover { border-color: var(--accent); }
        .tier-card.selected { border-color: var(--accent); background-color: var(--link-hover-bg); }
        .tier-title-row { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; }
        .tier-card .tier-title { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; color: var(--text-heading); }
        .tier-card .tier-price { font-family: var(--font-ui); font-size: 1.3rem; color: var(--accent); font-weight: 700; }
        .tier-card .tier-price span { font-size: 0.7rem; opacity: 0.7; font-weight: 400; }
        .tier-card .tier-popular { font-family: var(--font-ui); font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.4px; color: var(--antique-gold); font-weight: 700; white-space: nowrap; }
        .tier-features { display: flex; flex-direction: column; gap: 0.45rem; margin-top: 0.4rem; padding-top: 0.85rem; border-top: 1px dashed var(--border-subtle); }
        .tier-feature { display: flex; justify-content: space-between; align-items: baseline; gap: 0.6rem; font-size: 0.74rem; line-height: 1.4; }
        .tier-feature-label { opacity: 0.75; }
        .tier-feature-value { font-weight: 700; color: var(--text-heading); text-align: right; white-space: nowrap; }

        .discount-note { font-size: 0.85rem; background-color: var(--bg-surface); border: 1px dashed var(--border-subtle); border-radius: 6px; padding: 0.75rem 1rem; }
        .form-msg { font-size: 0.85rem; min-height: 1.2em; }
        .form-msg.error { color: var(--warn); }
        .form-msg.success { color: var(--good); }
        .security-note { font-size: 0.75rem; opacity: 0.65; margin-top: 0.4rem; }


.section-sub-note { margin-top: 0.75rem; }
.child-note { font-size: 0.8rem; margin-top: 0.5rem; }

.child-note a { color: var(--accent); }