/* ============================================
   MOBILE NAV — Chobham Pharmacy
   Full-screen overlay navigation
============================================ */

.mobile-nav {
    position: fixed; inset: 0; z-index: 999;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 0; opacity: 0; pointer-events: none; transition: opacity 0.5s var(--ease);
    background: center/cover no-repeat;
    background-color: var(--green-deep);
}
.mobile-nav::before {
    content: ''; position: absolute; inset: 0;
    background: rgba(1,43,21,0.72);
    z-index: 0;
}
.mobile-nav > * { position: relative; z-index: 1; }
.mobile-nav.active { opacity: 1; pointer-events: all; }

.mobile-nav__links {
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    margin-bottom: 48px; max-height: 80vh; overflow-y: auto;
}

.mobile-nav__link {
    font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 400; color: var(--white); padding: 8px 0;
    position: relative; transition: color 0.3s;
}
.mobile-nav__link:hover { color: var(--gold); }

/* Services sub-menu */
.mobile-nav__services {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    max-height: 0; overflow: hidden; opacity: 0;
    transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease, padding 0.45s cubic-bezier(0.4, 0, 0.2, 1), margin 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    padding: 0 32px;
    margin: 0;
    width: calc(100vw - 48px);
    max-width: 380px;
    text-align: center;
}
.mobile-nav__services.open {
    max-height: 500px; opacity: 1;
    padding: 20px 32px;
    margin: 4px 0;
}
.mobile-nav__service-link {
    font-family: var(--font-body); font-size: 0.95rem; font-weight: 400;
    color: rgba(255,255,255,0.7); padding: 6px 0;
    transition: color 0.3s;
    text-decoration: none;
    white-space: nowrap;
}
.mobile-nav__service-link:hover { color: var(--gold); }

.mobile-nav__link--services { cursor: pointer; }
.mobile-nav__link--services .mobile-nav__chevron {
    display: inline-block; width: 14px; height: 14px; margin-left: 8px;
    vertical-align: middle; transition: transform 0.35s var(--ease);
}
.mobile-nav__link--services.open .mobile-nav__chevron { transform: rotate(180deg); }

/* Logo overlay */
.mobile-nav__logo {
    position: absolute; top: 24px; left: 50%; transform: translateX(-50%);
    height: 80px; width: auto; filter: brightness(0) invert(1);
}

/* Services group (WP mobile sub-menu) */
.mobile-nav__services-group {
    display: flex; flex-direction: column; align-items: center;
}
.mobile-nav__sub {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    max-height: 0; overflow: hidden; opacity: 0;
    transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease, padding 0.45s cubic-bezier(0.4, 0, 0.2, 1), margin 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    padding: 0 32px;
    margin: 0;
    width: calc(100vw - 48px);
    max-width: 380px;
    text-align: center;
}
.mobile-nav__sub.open {
    max-height: 500px; opacity: 1;
    padding: 20px 32px;
    margin: 4px 0;
}
.mobile-nav__sub-link {
    font-family: var(--font-body); font-size: 0.95rem; font-weight: 400;
    color: rgba(255,255,255,0.7); padding: 6px 0;
    transition: color 0.3s;
    text-decoration: none;
    white-space: nowrap;
}
.mobile-nav__sub-link:hover { color: var(--gold); }
.mobile-nav__sub-link--all {
    margin-top: 6px; padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.12);
    color: var(--gold); font-weight: 600;
}
.mobile-nav__sub-link--all:hover { color: var(--white); }

/* Close button */
.mobile-nav__close {
    position: absolute; top: 24px; right: 24px;
    background: none; border: none; cursor: pointer;
    color: var(--white); padding: 8px;
    transition: color 0.3s;
    z-index: 2;
}
.mobile-nav__close:hover { color: var(--gold); }

/* Footer area */
.mobile-nav__footer { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.mobile-nav__contact { font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.mobile-nav__contact a { color: var(--gold); font-weight: 600; }