/* Email updates slide panel (Gumroad subscribe embed) */

.newsletter-tab {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 900;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: 1.1rem 0.75rem;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: white;
    background: var(--color-accent);
    border: none;
    border-radius: 8px 0 0 8px;
    box-shadow: -3px 3px 16px rgba(43, 108, 176, 0.45);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.newsletter-tab:hover,
.newsletter-tab:focus-visible {
    background: var(--color-accent-hover);
    box-shadow: -4px 4px 20px rgba(43, 108, 176, 0.55);
    outline: none;
}

.newsletter-tab[aria-expanded="true"] {
    transform: translateY(-50%) translateX(-min(24rem, 92vw));
}

.newsletter-backdrop {
    position: fixed;
    inset: 0;
    z-index: 910;
    background: rgba(26, 54, 93, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.newsletter-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
}

.newsletter-panel {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 920;
    width: min(24rem, 92vw);
    height: 100%;
    max-height: 100dvh;
    background: var(--color-bg);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.newsletter-panel.is-open {
    transform: translateX(0);
}

.newsletter-panel-header {
    flex-shrink: 0;
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
}

.newsletter-panel-header h2 {
    font-size: 1.35rem;
    margin: 0 2rem 0.5rem 0;
    line-height: 1.3;
}

.newsletter-panel-header .newsletter-lead {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

.newsletter-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--color-text-light);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
}

.newsletter-close:hover,
.newsletter-close:focus-visible {
    background: var(--color-bg-alt);
    color: var(--color-primary);
    outline: none;
}

.newsletter-panel-body {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 0 1rem 1rem;
}

.newsletter-embed-wrap {
    flex: 1;
    min-height: 220px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg-alt);
}

.newsletter-embed-wrap iframe {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 280px;
    border: 0;
}

.newsletter-privacy {
    flex-shrink: 0;
    margin: 0.75rem 0 0;
    padding: 0 0.25rem;
    font-size: 0.8rem;
    color: var(--color-text-light);
    line-height: 1.45;
}

.newsletter-privacy a {
    color: var(--color-accent);
}

/* In-page CTAs (higher visibility than the edge tab alone) */

.newsletter-cta-band {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem 1.5rem;
    margin-top: 2.5rem;
    padding: 1.25rem 1.5rem;
    background: white;
    border: 1px solid rgba(43, 108, 176, 0.25);
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(26, 54, 93, 0.08);
}

.newsletter-cta-band-text {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
}

.newsletter-cta-inline {
    margin: 1.75rem 0 0;
    padding: 1.5rem 1.5rem 1.25rem;
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 8px 8px 0;
}

.newsletter-cta-inline h3 {
    margin: 0 0 0.5rem;
    font-size: 1.2rem;
    color: var(--color-primary);
}

.newsletter-cta-inline p {
    margin: 0 0 1rem;
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.55;
}

.newsletter-cta-btn {
    font-size: 1.05rem;
    padding: 0.85rem 1.75rem;
    border: none;
    cursor: pointer;
}

.newsletter-cta-btn:hover {
    text-decoration: none;
}

@media (max-width: 768px) {
    .newsletter-cta-band {
        flex-direction: column;
        text-align: center;
    }

    .newsletter-cta-btn {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .newsletter-panel,
    .newsletter-backdrop,
    .newsletter-tab {
        transition: none;
    }
}

@media (max-width: 480px) {
    .newsletter-tab {
        font-size: 0.8rem;
        padding: 0.75rem 0.5rem;
    }

    .newsletter-tab[aria-expanded="true"] {
        transform: translateY(-50%) translateX(-92vw);
    }
}