/* ============================================
   The Royal Treatment Healthcare Inc
   Custom Styles — Emerald Green & Cream
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-emerald-50:  #ecfdf5;
    --color-emerald-100: #d1fae5;
    --color-emerald-200: #a7f3d0;
    --color-emerald-300: #6ee7b7;
    --color-emerald-400: #34d399;
    --color-emerald-500: #10b981;
    --color-emerald-600: #059669;
    --color-emerald-700: #047857;
    --color-emerald-800: #065f46;
    --color-emerald-900: #064e3b;

    --color-cream-50:  #FFFDF9;
    --color-cream-100: #FFF8F0;
    --color-cream-200: #FEF0E0;
    --color-cream-300: #FDE8CC;

    --color-dark:    #1a2e2a;
    --color-text:    #2d3a38;
    --color-text-muted: #5a6b67;
    --color-white:   #ffffff;
    --color-border:  #e2ece9;
    --color-shadow:  rgba(5, 150, 105, 0.08);
    --color-shadow-md: rgba(5, 150, 105, 0.12);

    --font-body: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;

    --radius-sm:  8px;
    --radius-md:  14px;
    --radius-lg:  22px;
    --radius-xl:  32px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-cream-100);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-emerald-600);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-emerald-700);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Scroll Reveal (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(28px);
        transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 253, 249, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 4px 24px var(--color-shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-emerald-700);
    text-decoration: none;
}

.nav-logo:hover {
    color: var(--color-emerald-800);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
    color: var(--color-emerald-600);
    background: var(--color-emerald-50);
}

.nav-cta {
    padding: 10px 22px;
    margin-left: 8px;
    background: var(--color-emerald-600);
    color: var(--color-white) !important;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: var(--radius-lg);
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.nav-cta:hover {
    background: var(--color-emerald-700);
    color: var(--color-white) !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.3);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle-bar {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--color-emerald-700);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active .nav-toggle-bar:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle.active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #047857 0%, #059669 25%, #10b981 50%, #34d399 75%, #6ee7b7 100%);
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(6, 78, 59, 0.4) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(52, 211, 153, 0.3) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(16, 185, 129, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(4, 62, 46, 0.25);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 820px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 28px;
    backdrop-filter: blur(8px);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: 24px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.hero-highlight {
    display: inline;
    color: var(--color-cream-200);
    font-style: italic;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.75;
    max-width: 640px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-bottom: 52px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 32px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-white);
    color: var(--color-emerald-700);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    background: var(--color-cream-50);
    color: var(--color-emerald-800);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: center;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-white);
    font-size: 0.938rem;
    font-weight: 600;
}

.trust-item svg {
    opacity: 0.85;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
}

/* --- Section Shared --- */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 18px;
    background: var(--color-emerald-100);
    color: var(--color-emerald-700);
    font-size: 0.813rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-tag.light {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.2;
    margin-bottom: 18px;
}

.section-title.light {
    color: var(--color-white);
}

.section-title .highlight {
    color: var(--color-emerald-600);
}

.section-title .highlight.light {
    color: var(--color-cream-200);
}

.section-subtitle {
    font-size: 1.063rem;
    color: var(--color-text-muted);
    line-height: 1.75;
}

.section-subtitle.light {
    color: rgba(255, 255, 255, 0.8);
}

/* --- Services Section --- */
.services {
    padding: 100px 0;
    background: var(--color-cream-100);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px var(--color-shadow-md);
    border-color: var(--color-emerald-200);
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-emerald-50);
    border-radius: var(--radius-md);
    margin-bottom: 22px;
    transition: background var(--transition);
}

.service-card:hover .service-icon {
    background: var(--color-emerald-100);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
    line-height: 1.35;
}

.service-card p {
    font-size: 0.938rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* --- About Section --- */
.about {
    padding: 100px 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 60px var(--color-shadow-md);
}

.about-img-main img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -32px;
    right: -24px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 16px 48px var(--color-shadow-md);
    border: 5px solid var(--color-white);
}

.about-img-secondary img {
    width: 280px;
    height: 200px;
    object-fit: cover;
}

.about-stat-card {
    position: absolute;
    top: -20px;
    right: 40px;
    background: var(--color-emerald-600);
    color: var(--color-white);
    padding: 18px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: 0 12px 36px rgba(5, 150, 105, 0.3);
}

.about-stat-card .stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

.about-stat-card .stat-label {
    font-size: 0.813rem;
    font-weight: 600;
    opacity: 0.9;
}

.about-content .section-header {
    text-align: left;
    margin-bottom: 28px;
}

.about-text {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    margin-top: 28px;
    display: grid;
    gap: 14px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--color-text);
}

.about-feature svg {
    flex-shrink: 0;
}

/* --- Why Choose Us --- */
.why-us {
    padding: 100px 0;
    background: linear-gradient(135deg, #047857 0%, #059669 50%, #10b981 100%);
    position: relative;
}

.why-us::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 50% at 80% 20%, rgba(52, 211, 153, 0.25) 0%, transparent 70%);
    pointer-events: none;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.why-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    backdrop-filter: blur(12px);
    transition: transform var(--transition), background var(--transition);
}

.why-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.15);
}

.why-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.2);
    line-height: 1;
    margin-bottom: 16px;
}

.why-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 12px;
}

.why-card p {
    font-size: 0.938rem;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.75;
}

/* --- Testimonials --- */
.testimonials {
    padding: 100px 0;
    background: var(--color-cream-100);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--color-shadow);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 0.969rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 22px;
    font-style: italic;
}

.testimonial-author {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-emerald-700);
}

/* --- Contact Section --- */
.contact {
    padding: 100px 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-text {
    font-size: 1.063rem;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 36px;
}

.contact-details {
    display: grid;
    gap: 24px;
}

.contact-detail {
    display: flex;
    gap: 18px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-emerald-50);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-detail strong {
    display: block;
    font-size: 0.938rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.contact-detail p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.contact-detail a {
    color: var(--color-emerald-600);
}

.contact-detail a:hover {
    color: var(--color-emerald-700);
    text-decoration: underline;
}

.contact-form-card {
    background: var(--color-cream-100);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    border: 1px solid var(--color-border);
}

.contact-form-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.form-intro {
    font-size: 0.938rem;
    color: var(--color-text-muted);
    margin-bottom: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    font-family: var(--font-body);
    font-size: 0.938rem;
    color: var(--color-text);
    background: var(--color-white);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-emerald-400);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.form-success.show {
    display: block;
}

.form-success svg {
    margin: 0 auto 16px;
}

.form-success h4 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.form-success p {
    font-size: 0.938rem;
    color: var(--color-text-muted);
}

/* --- Map Section --- */
.map-section {
    background: var(--color-cream-100);
}

.map-container {
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 -4px 24px var(--color-shadow);
}

.map-container iframe {
    filter: saturate(0.85) contrast(1.05);
}

/* --- Footer --- */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 72px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 52px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer-logo:hover {
    color: var(--color-white);
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
}

.footer-links ul,
.footer-contact ul {
    display: grid;
    gap: 12px;
}

.footer-links li,
.footer-contact li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links a,
.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-emerald-300);
}

.footer-links svg,
.footer-contact svg {
    flex-shrink: 0;
    opacity: 0.6;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 24px 0;
    font-size: 0.813rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
    color: var(--color-emerald-300);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .testimonials-grid .testimonial-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-cream-50);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 40px;
        gap: 4px;
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.1);
        transition: right var(--transition);
        z-index: 999;
    }

    .nav-links.open {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 12px 16px;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 12px;
        text-align: center;
        width: 100%;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 120px 20px 100px;
        min-height: auto;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .hero-trust {
        gap: 16px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-img-secondary {
        right: 0;
    }

    .about-content .section-header {
        text-align: center;
    }

    .about-content .section-header .section-title {
        text-align: center;
    }

    .about-content .section-header .section-tag {
        display: block;
        text-align: center;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid .testimonial-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 16px 80px;
    }

    .services,
    .about,
    .why-us,
    .testimonials,
    .contact {
        padding: 72px 0;
    }

    .service-card {
        padding: 28px 22px;
    }

    .contact-form-card {
        padding: 28px 22px;
    }

    .about-img-secondary img {
        width: 200px;
        height: 140px;
    }
}

/* Overlay for mobile nav */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 998;
}

.nav-overlay.show {
    display: block;
}