/* Nursing Elites — Layout & partials (shell, header, footer, promo) */

.learner-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.learner-main {
    flex: 1;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 24px;
}

/* Promo / top announcement bar */
.promo-banner {
    background: var(--navy-deep);
    color: rgba(255, 255, 255, 0.85);
}

.promo-banner__link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 8px 0;
    font-size: 0.82rem;
    font-weight: 500;
    font-family: var(--font-body);
    text-align: center;
    transition: color 0.2s, opacity 0.2s;
}

@media (min-width: 640px) {
    .promo-banner__link { font-size: 0.875rem; }
}

.promo-banner__link:hover {
    color: var(--topbar-link-hover);
}

.promo-banner__cta {
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Header / navbar */
.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--border);
}

[data-theme="dark"] .site-header {
    background: color-mix(in srgb, var(--surface) 96%, transparent);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand__logo {
    display: block;
    width: 40px;
    height: 40px;
    object-fit: contain;
    flex-shrink: 0;
}

.brand__icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: var(--text-on-dark);
}

.brand__icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.brand__text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--heading);
}

.brand__accent { color: var(--accent); }

.site-nav {
    display: none;
    align-items: center;
    gap: 6px;
}

@media (min-width: 768px) {
    .site-nav { display: flex; }
}

.site-nav__link {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-family: var(--font-nav);
    font-size: 0.94rem;
    font-weight: 500;
    color: var(--text);
    transition: background 0.2s, color 0.2s;
}

.site-nav__link:hover {
    color: var(--accent);
}

.site-nav__link.is-active {
    color: var(--accent);
}

.site-header__actions {
    display: none;
    align-items: center;
    gap: 10px;
}

@media (min-width: 768px) {
    .site-header__actions { display: flex; }
}

.site-header__logout {
    display: inline;
    margin: 0;
}

.icon-btn {
    position: relative;
    display: grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    transition: background 0.2s, color 0.2s;
}

.icon-btn:hover {
    background: var(--accent-light);
    color: var(--accent-dark);
}

.icon-btn__badge {
    position: absolute;
    top: -0.25rem;
    right: -0.25rem;
    display: grid;
    place-items: center;
    min-width: 1rem;
    height: 1rem;
    padding-inline: 0.25rem;
    border-radius: var(--radius-pill);
    background: var(--accent);
    color: var(--text-on-dark);
    font-size: 0.625rem;
    font-weight: 700;
}

.mobile-menu-toggle {
    display: grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--heading);
}

.mobile-menu-toggle:hover { background: var(--bg-alt); }

@media (min-width: 768px) {
    .mobile-menu-toggle { display: none; }
}

.mobile-menu-toggle .icon--close { display: none; }

.mobile-menu-toggle[aria-expanded="true"] .icon--menu { display: none; }
.mobile-menu-toggle[aria-expanded="true"] .icon--close { display: block; }

.mobile-menu {
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.mobile-menu[hidden] { display: none; }

.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem 1rem 1rem;
}

.mobile-menu__link {
    padding: 0.625rem 0.75rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-nav);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
}

.mobile-menu__link:hover { background: var(--accent-light); color: var(--accent); }

.mobile-menu__link--cart {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.5rem;
}

.mobile-menu__cart-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 2px solid transparent;
    border-radius: var(--radius-pill);
    font-family: var(--font-nav);
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.2;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease, color 0.2s ease;
    white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn--primary {
    padding: 13px 26px;
    background: var(--accent);
    color: var(--text-on-dark);
    font-size: 0.95rem;
    box-shadow: var(--btn-primary-shadow);
}

.btn--primary:hover {
    background: var(--accent-dark);
    box-shadow: var(--btn-primary-shadow-hover);
}

.btn--sm {
    padding: 9px 18px;
    font-size: 0.85rem;
}

.btn--block {
    width: 100%;
}

/* Footer */
.site-footer {
    margin-top: 6rem;
    background: var(--navy-deep);
    color: rgba(255, 255, 255, 0.65);
    padding-top: 70px;
}

.site-footer .brand__text { color: #fff; }

.site-footer__grid {
    display: grid;
    gap: 2rem;
    padding-bottom: 50px;
}

@media (min-width: 768px) {
    .site-footer__grid {
        grid-template-columns: 1.4fr 1fr 1fr;
        gap: 2rem;
    }
}

.site-footer__tagline {
    margin-top: 1rem;
    max-width: 24rem;
    font-size: 0.88rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.6);
}

.site-footer__contact {
    margin-top: 1rem;
    display: grid;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
}

.site-footer__contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.6);
}

.site-footer__heading {
    margin-bottom: 1rem;
    font-family: var(--font-nav);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: #fff;
}

.site-footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 11px;
    font-size: 0.88rem;
}

.site-footer__links a {
    color: rgba(255, 255, 255, 0.65);
    transition: color 0.2s;
}

.site-footer__links a:hover { color: #fff; }

.site-footer__bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding-block: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
}

.site-footer__bottom p {
    color: rgba(255, 255, 255, 0.5);
}

@media (min-width: 640px) {
    .site-footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .site-footer__bottom p:last-child { text-align: right; }
}