/**
 * LV Peptides — footer.css
 *
 * Navy footer styles extracted from footer.php inline <style> block.
 * Covers: multi-column layout, brand column, legal links, disclaimer,
 * copyright bar, and mobile responsive breakpoints.
 *
 * Enqueued globally via functions.php.
 *
 * @see Requirements: 15.1, 15.2, 20.1, 20.2, 20.3, 20.4
 */

/* ==========================================================================
   Footer — Navy Background, Multi-Column
   ========================================================================== */
.lv-site-footer {
    background-color: var(--lv-navy);
    color: var(--lv-white);
    font-family: var(--font-family);
    padding: var(--space-12) var(--space-8) 0;
}

.lv-footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-8);
}

/* Column 1: Logo + Tagline */
.lv-footer-brand .lv-footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--lv-white);
    text-decoration: none;
    font-weight: 700;
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
}

.lv-footer-brand .lv-footer-logo:hover,
.lv-footer-brand .lv-footer-logo:focus {
    color: var(--lv-teal);
}

.lv-footer-brand .lv-footer-logo img {
    height: 32px;
    width: auto;
}

.lv-footer-brand .lv-footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

/* Column 2: Legal Links */
.lv-footer-legal h4 {
    color: var(--lv-white);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.lv-footer-legal .menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.lv-footer-legal .menu li {
    margin-bottom: var(--space-2);
}

.lv-footer-legal .menu li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color var(--transition-base);
}

.lv-footer-legal .menu li a:hover,
.lv-footer-legal .menu li a:focus {
    color: var(--lv-teal);
}

/* Column 3: Research Disclaimer */
.lv-footer-disclaimer h4 {
    color: var(--lv-white);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.lv-footer-disclaimer p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

/* Bottom Bar: Copyright */
.lv-footer-bottom {
    max-width: 1280px;
    margin: var(--space-8) auto 0;
    padding: var(--space-4) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

/* ==========================================================================
   Mobile — below 768px: single-column stacked
   ========================================================================== */
@media (max-width: 767px) {
    .lv-site-footer {
        padding: var(--space-8) var(--space-4) 0;
    }

    .lv-footer-inner {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

/* ==========================================================================
   Footer Email Signup Form
   ========================================================================== */
.lv-footer-email-signup {
    margin-top: var(--space-4);
}

.lv-footer-email-signup label {
    display: block;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-2);
}

.lv-footer-email-row {
    display: flex;
    gap: 0;
}

.lv-footer-email-row input[type="email"] {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    color: var(--lv-white);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    min-height: 44px;
}

.lv-footer-email-row input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.lv-footer-email-row input[type="email"]:focus {
    outline: none;
    border-color: var(--lv-teal);
    box-shadow: var(--focus-ring);
}

.lv-footer-email-row button {
    background: var(--lv-teal);
    color: var(--lv-white);
    border: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    min-height: 44px;
    transition: background-color var(--transition-base);
}

.lv-footer-email-row button:hover {
    background: var(--lv-teal-dark);
}

.lv-footer-email-msg {
    font-size: var(--font-size-sm);
    margin-top: var(--space-2);
    min-height: 1.2em;
}