/* ============================================
   John W Robinette, MD — Medical Practice Website
   Color Palette: Charcoal + Coral
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --charcoal-900: #1a1a2e;
    --charcoal-800: #2d2d44;
    --charcoal-700: #3d3d5c;
    --charcoal-600: #4a4a6a;
    --charcoal-500: #6b6b8a;
    --coral-50: #fdf0ed;
    --coral-100: #fde4de;
    --coral-200: #f9c8bc;
    --coral-300: #f4a896;
    --coral-400: #ec7f6b;
    --coral-500: #e07a5f;
    --coral-600: #d4654a;
    --coral-700: #b84f38;
    --white: #ffffff;
    --off-white: #faf8f6;
    --light-gray: #f3f0ed;
    --text-dark: #1a1a2e;
    --text-muted: #6b6b8a;
    --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.08);
    --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.1);
    --shadow-lg: 0 8px 32px rgba(26, 26, 46, 0.12);
    --shadow-xl: 0 16px 48px rgba(26, 26, 46, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s 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: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--coral-500);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--coral-600);
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', Georgia, serif;
    line-height: 1.25;
    color: var(--charcoal-800);
}

.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(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(26, 26, 46, 0.06);
    transition: box-shadow var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--charcoal-800);
    text-decoration: none;
}

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

.nav-logo-icon {
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    color: var(--charcoal-700);
    font-weight: 600;
    font-size: 0.935rem;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-links a:hover {
    color: var(--coral-500);
    background: var(--coral-50);
}

.nav-cta {
    background: var(--coral-500) !important;
    color: var(--white) !important;
    padding: 10px 20px !important;
    border-radius: var(--radius-xl) !important;
    margin-left: 8px;
}

.nav-cta:hover {
    background: var(--coral-600) !important;
    color: var(--white) !important;
    transform: translateY(-1px);
}

.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(--charcoal-700);
    border-radius: 2px;
    transition: all var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--charcoal-900);
}

.hero-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 26, 46, 0.88) 0%,
        rgba(45, 45, 68, 0.82) 50%,
        rgba(26, 26, 46, 0.75) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    padding: 120px 24px 80px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(224, 122, 95, 0.15);
    border: 1px solid rgba(224, 122, 95, 0.3);
    color: var(--coral-300);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 8px 18px;
    border-radius: var(--radius-xl);
    margin-bottom: 28px;
}

.hero-headline {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.15;
}

.hero-headline em {
    font-style: normal;
    color: var(--coral-400);
}

.hero-sub {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.75;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-bottom: 48px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 600;
}

.trust-item svg {
    color: var(--coral-400);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: rgba(255, 255, 255, 0.5);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 28px;
    border-radius: var(--radius-xl);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--coral-500);
    color: var(--white);
    border-color: var(--coral-500);
}

.btn-primary:hover {
    background: var(--coral-600);
    border-color: var(--coral-600);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(224, 122, 95, 0.35);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--charcoal-800);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.1rem;
}

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

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

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--coral-500);
    margin-bottom: 12px;
}

.section-tag.light-tag {
    color: var(--coral-300);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    margin-bottom: 18px;
}

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

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.75;
}

/* --- Services --- */
.services {
    padding: 100px 0;
    background: var(--off-white);
}

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

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(26, 26, 46, 0.05);
    transition: all var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(224, 122, 95, 0.15);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--coral-50);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.service-card h3 {
    font-family: 'Nunito', sans-serif;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--charcoal-800);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

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

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

.about-image-wrap {
    position: relative;
}

.about-image-wrap img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--coral-200);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content .section-tag {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-lead {
    font-size: 1.1rem;
    color: var(--charcoal-700);
    line-height: 1.8;
    margin-bottom: 18px;
}

.about-content > p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 14px;
}

.about-values {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 600;
    color: var(--charcoal-700);
}

.value-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--coral-50);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

/* --- Patient Info --- */
.patient-info {
    padding: 100px 0;
    background: var(--charcoal-800);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.info-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: all var(--transition);
}

.info-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.info-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(224, 122, 95, 0.15);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.info-card h3 {
    font-family: 'Nunito', sans-serif;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.info-card ul {
    list-style: none;
}

.info-card ul li {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.9rem;
}

.info-card ul li:last-child {
    border-bottom: none;
}

.info-card ul li span:first-child {
    color: rgba(255, 255, 255, 0.6);
}

.info-card ul li span:last-child {
    color: var(--white);
    font-weight: 700;
}

.info-card address {
    font-style: normal;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    font-size: 0.95rem;
}

.info-note {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5) !important;
    margin-top: 10px;
}

.info-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
    line-height: 1.7;
}

.info-card a {
    color: var(--coral-400);
    text-decoration: none;
}

.info-card a:hover {
    color: var(--coral-300);
    text-decoration: underline;
}

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

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

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(26, 26, 46, 0.05);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-quote {
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--charcoal-700);
    line-height: 1.8;
    flex: 1;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    flex-shrink: 0;
}

.author-name {
    display: block;
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--charcoal-800);
}

.author-detail {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* --- CTA --- */
.cta {
    position: relative;
    padding: 100px 0;
    background: var(--charcoal-900);
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(224, 122, 95, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(224, 122, 95, 0.1) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    color: var(--white);
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 40px;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

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

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

.contact-info .section-tag {
    text-align: left;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: 16px;
}

.contact-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-detail {
    display: flex;
    gap: 16px;
}

.contact-detail-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--coral-50);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-detail strong {
    display: block;
    font-family: 'Nunito', sans-serif;
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--coral-500);
    margin-bottom: 4px;
}

.contact-detail p {
    color: var(--charcoal-700);
    line-height: 1.6;
    font-size: 0.95rem;
}

.contact-detail a {
    color: var(--charcoal-700);
}

.contact-detail a:hover {
    color: var(--coral-500);
}

/* --- Contact Form --- */
.contact-form-wrap {
    background: var(--off-white);
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 1px solid rgba(26, 26, 46, 0.06);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 28px;
    color: var(--charcoal-800);
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--charcoal-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid rgba(26, 26, 46, 0.1);
    border-radius: var(--radius-md);
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    color: var(--charcoal-800);
    background: var(--white);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--coral-500);
    box-shadow: 0 0 0 4px rgba(224, 122, 95, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--charcoal-500);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding: 16px 20px;
    background: rgba(26, 58, 45, 0.06);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--charcoal-800);
}

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

/* --- Map --- */
.map-section {
    height: 350px;
    background: var(--light-gray);
}

.map-section iframe {
    width: 100%;
    height: 100%;
    display: block;
}

/* --- Footer --- */
.footer {
    background: var(--charcoal-900);
    padding: 72px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-top: 16px;
    max-width: 280px;
}

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

.footer-links h4,
.footer-contact h4 {
    font-family: 'Nunito', sans-serif;
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--coral-400);
}

.footer-contact address {
    font-style: normal;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 12px;
}

.footer-contact p {
    margin-bottom: 8px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
}

.footer-contact a:hover {
    color: var(--coral-400);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 24px 0;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.85rem;
}

.footer-bottom a:hover {
    color: var(--coral-400);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .info-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(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 40px;
        gap: 4px;
        box-shadow: var(--shadow-xl);
        transition: right var(--transition);
    }

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

    .nav-links a {
        width: 100%;
        padding: 12px 14px;
        font-size: 1rem;
    }

    .nav-cta {
        margin-left: 0 !important;
        margin-top: 12px;
        text-align: center;
        justify-content: center;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content {
        padding: 100px 20px 60px;
    }

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

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

    .hero-trust {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-wrap img {
        height: 360px;
    }

    .about-image-accent {
        display: none;
    }

    .info-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: 40px;
    }

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

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

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

    .services,
    .about,
    .patient-info,
    .testimonials,
    .cta,
    .contact {
        padding: 72px 0;
    }

    .contact-form-wrap {
        padding: 24px;
    }

    .hero-headline {
        font-size: 1.9rem;
    }
}

/* Mobile nav overlay */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 46, 0.5);
    z-index: 999;
}

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