/*
 * SnapBrainy Footer CSS
 * Two variants:
 *   .sb-footer--dark  — full brand footer (all pages except funnel)
 *   .sb-footer--light — compliance-only footer (cart / checkout)
 *                       Required by Stripe, PayPal, US & UK regulations.
 */

/* ── Shared base ── */

.sb-footer {
    width: 100%;
}

.sb-footer-inner {
    max-width: var(--sb-container);
    margin-inline: auto;
    padding-inline: var(--sb-container-px);
}

/* ═══════════════════════════════════════════
   DARK FOOTER
═══════════════════════════════════════════ */

.sb-footer--dark {
    background: var(--sb-ink);  /* Ink Black */
    color: var(--sb-bg);        /* Paper Ivory text */
    padding-top: clamp(2.5rem, 6vw, 4rem);
    padding-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

/* Grid: 1 col mobile → 3 col desktop */
.sb-footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2rem, 4vw, 3rem);
    padding-bottom: clamp(2rem, 4vw, 3rem);
    border-bottom: 1px solid rgba(255,255,255,0.10);
}

@media (min-width: 640px) {
    .sb-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .sb-footer-brand-col {
        grid-column: 1 / -1;
    }
}

@media (min-width: 900px) {
    .sb-footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
    .sb-footer-brand-col {
        grid-column: auto;
    }
}

/* Brand column */
.sb-footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--sb-space-2);
    font-family: var(--sb-font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.03em;
    margin-bottom: var(--sb-space-4);
    transition: opacity var(--sb-duration) var(--sb-ease);
    text-decoration: none;
}

.sb-footer-logo:hover { opacity: 0.82; }

.sb-footer-tagline {
    font-size: 0.86rem;
    color: rgba(255,255,255,0.50);
    line-height: 1.55;
    max-width: 220px;
    margin-bottom: var(--sb-space-5);
}

/* Social links */
.sb-footer-social {
    display: flex;
    align-items: center;
    gap: var(--sb-space-4);
    margin-bottom: var(--sb-space-6);
}

.sb-footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.40);
    transition: color var(--sb-duration) var(--sb-ease),
                transform var(--sb-duration) var(--sb-ease);
}

.sb-footer-social-link:hover {
    color: #ffffff;
    transform: scale(1.12);
}

.sb-footer-payment {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sb-space-2);
}

.sb-footer-pay-label {
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    color: rgba(255,255,255,0.25);
}

.sb-footer-pay-icons {
    display: flex;
    align-items: center;
    gap: var(--sb-space-2);
    flex-wrap: wrap;
}

.sb-pay-icon {
    height: 18px !important;
    max-height: 18px !important;
    width: auto !important;
    max-width: 44px !important;
    display: block;
    border-radius: 3px;
    flex-shrink: 0;
    opacity: 0.40;
    filter: grayscale(80%);
    transition: opacity 200ms ease, filter 200ms ease;
}

.sb-footer-brand-col:hover .sb-pay-icon {
    opacity: 0.65;
    filter: grayscale(20%);
}

/* Column headings — micro-label discreta */
.sb-footer-heading {
    font-family: var(--sb-font-heading);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: rgba(255,255,255,0.35);
    margin-bottom: var(--sb-space-5);
}

/* Column menu */
.sb-footer-menu {
    display: flex;
    flex-direction: column;
    gap: var(--sb-space-3);
}

.sb-footer-menu a {
    font-size: var(--sb-text-sm);
    color: rgba(255,255,255,0.65);
    font-weight: 500;
    transition: color var(--sb-duration) var(--sb-ease),
                padding-left var(--sb-duration) var(--sb-ease);
}

.sb-footer-menu a:hover {
    color: #ffffff;
    padding-left: 4px;
}

/* Payment micro-strip — below grid, above bottom bar */
.sb-footer-pay-strip {
    display: flex;
    align-items: center;
    gap: var(--sb-space-4);
    padding: 16px 0 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
    flex-wrap: wrap;
}

.sb-footer-pay-strip .sb-footer-pay-label {
    font-size: 0.64rem;
    font-weight: 500;
    color: rgba(255,255,255,0.20);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sb-footer-pay-strip .sb-footer-pay-icons {
    display: flex;
    align-items: center;
    gap: var(--sb-space-2);
}

/* Bottom bar — gerarchia chiara copyright/legale */
.sb-footer-bottom {
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.10);
    display: flex;
    flex-direction: column;
    gap: var(--sb-space-2);
}

.sb-footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.40);
    max-width: none;
}

.sb-footer-compliance {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.22);
    line-height: 1.6;
    max-width: 560px;
    margin-top: var(--sb-space-1);
}

/* ═══════════════════════════════════════════
   LIGHT FOOTER (compliance — cart / checkout)
═══════════════════════════════════════════ */

.sb-footer--light {
    background: transparent;
    border-top: 1px solid var(--sb-border);
    padding-block: clamp(1rem, 3vw, 1.5rem);
}

.sb-footer--light .sb-footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sb-space-3);
    text-align: center;
}

.sb-footer-light-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--sb-space-2) var(--sb-space-6);
}

.sb-footer-light-nav a {
    font-size: var(--sb-text-sm);
    color: var(--sb-muted);
    font-weight: 500;
    transition: color var(--sb-duration) var(--sb-ease);
}

.sb-footer-light-nav a:hover {
    color: var(--sb-blue);
}

.sb-footer-mini {
    font-size: var(--sb-text-xs);
    color: var(--sb-subtle);
    max-width: none;
}