/* ============================================
   Providence Memorial Hospital — Stylesheet
   ============================================ */

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

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

body {
  line-height: 1.6;
  color: #0A2540;
  background: #ffffff;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: #0A2540;
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 9999;
  border-radius: 0 0 8px 8px;
  font-size: 0.875rem;
}

.skip-link:focus {
  top: 0;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================
   Navigation
   ============================================ */
.nav-header {
  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(10, 37, 64, 0.08);
  transition: box-shadow 0.3s ease;
}

.nav-header.scrolled {
  box-shadow: 0 4px 30px rgba(10, 37, 64, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Inter', system-ui, sans-serif;
  text-decoration: none;
  color: #0A2540;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-logo-name {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  color: #0A2540;
}

.nav-logo-sub {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #1a9e72;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: #0A2540;
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #1a9e72;
  transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a:focus::after {
  width: 100%;
}

.nav-links a:hover {
  color: #1a9e72;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: #0A2540;
  color: #fff !important;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background: #152743;
  transform: translateY(-1px);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.nav-toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: #0A2540;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
  background: #0A2540;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.pexels.com/photos/8830486/pexels-photo-8830486.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center center / cover no-repeat;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6, 23, 40, 0.92) 0%,
    rgba(10, 37, 64, 0.85) 50%,
    rgba(10, 37, 64, 0.78) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
  padding: 8rem 1.5rem 4rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(26, 158, 114, 0.15);
  border: 1px solid rgba(26, 158, 114, 0.4);
  color: #8fe8c8;
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 2rem;
}

.hero-heading {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-accent {
  color: #40E0D0;
  font-style: italic;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  display: block;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  font-weight: 700;
  color: #40E0D0;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.hero-stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: 'Inter', system-ui, sans-serif;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn-primary {
  background: #1a9e72;
  color: #fff;
  border-color: #1a9e72;
}

.btn-primary:hover {
  background: #147d5a;
  border-color: #147d5a;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(26, 158, 114, 0.3);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-light {
  background: #fff;
  color: #0A2540;
  border-color: #fff;
}

.btn-light:hover {
  background: #f0f4f8;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

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

/* ============================================
   Section Shared
   ============================================ */
.section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #1a9e72;
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: #0A2540;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: #496b98;
  font-weight: 300;
}

/* ============================================
   Services
   ============================================ */
.services {
  background: #f8fafc;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: #fff;
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid rgba(10, 37, 64, 0.06);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #1a9e72, #40E0D0);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(10, 37, 64, 0.1);
  border-color: transparent;
}

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(26, 158, 114, 0.08);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a9e72;
  margin-bottom: 1.25rem;
  transition: background 0.3s ease;
}

.service-card:hover .service-icon {
  background: #1a9e72;
  color: #fff;
}

.service-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #0A2540;
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: #496b98;
  margin-bottom: 1.25rem;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #1a9e72;
  transition: gap 0.2s ease;
}

.service-link:hover {
  gap: 0.6rem;
}

/* ============================================
   About
   ============================================ */
.about {
  background: #fff;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

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

.about-image-main {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 25px 80px rgba(10, 37, 64, 0.15);
}

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

.about-image-accent {
  position: absolute;
  bottom: -2rem;
  right: -2rem;
  width: 55%;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(10, 37, 64, 0.2);
  border: 4px solid #fff;
}

.about-image-accent img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  top: -1.5rem;
  right: -1rem;
  background: #0A2540;
  color: #fff;
  padding: 1.25rem 1.5rem;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 15px 50px rgba(10, 37, 64, 0.3);
}

.about-badge-number {
  display: block;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: #40E0D0;
  line-height: 1;
}

.about-badge-text {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.25rem;
}

.about-content {
  padding: 1rem 0;
}

.about-text {
  font-size: 1rem;
  line-height: 1.8;
  color: #496b98;
  margin-bottom: 1.25rem;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.about-value {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #0A2540;
  line-height: 1.4;
}

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner {
  position: relative;
  padding: 5rem 0;
  overflow: hidden;
  background: #0A2540;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.pexels.com/photos/9574465/pexels-photo-9574465.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=600') center center / cover no-repeat;
  opacity: 0.15;
}

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

.cta-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.cta-text {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 2rem;
  font-weight: 300;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================
   Patient Info
   ============================================ */
.patients {
  background: #f8fafc;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.info-block {
  background: #fff;
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid rgba(10, 37, 64, 0.06);
  transition: all 0.3s ease;
}

.info-block:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(10, 37, 64, 0.08);
  border-color: transparent;
}

.info-block-icon {
  width: 52px;
  height: 52px;
  background: rgba(10, 37, 64, 0.05);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.info-block-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: #0A2540;
  margin-bottom: 0.75rem;
}

.info-block-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #496b98;
}

/* ============================================
   Contact
   ============================================ */
.contact {
  background: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-text {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: #496b98;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-detail svg {
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.contact-detail strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0A2540;
  margin-bottom: 0.25rem;
}

.contact-detail span,
.contact-detail a {
  font-size: 0.9375rem;
  color: #496b98;
}

.contact-detail a:hover {
  color: #1a9e72;
  text-decoration: underline;
}

.contact-map {
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(10, 37, 64, 0.1);
}

/* Form */
.contact-form-wrap {
  background: #f8fafc;
  border-radius: 20px;
  padding: 2.5rem;
  border: 1px solid rgba(10, 37, 64, 0.06);
}

.contact-form-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #0A2540;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #0A2540;
  margin-bottom: 0.5rem;
}

.required {
  color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid rgba(10, 37, 64, 0.12);
  border-radius: 10px;
  font-size: 0.9375rem;
  font-family: 'Inter', system-ui, sans-serif;
  color: #0A2540;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #1a9e72;
  box-shadow: 0 0 0 3px rgba(26, 158, 114, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #a3b5cc;
}

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

.form-privacy {
  font-size: 0.75rem;
  color: #7690b2;
  text-align: center;
  margin-top: 1rem;
  line-height: 1.5;
}

.form-success {
  text-align: center;
  padding: 2rem;
}

.form-success svg {
  margin: 0 auto 1rem;
}

.form-success h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #0A2540;
  margin-bottom: 0.5rem;
}

.form-success p {
  font-size: 0.9375rem;
  color: #496b98;
  line-height: 1.6;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: #061728;
  color: rgba(255, 255, 255, 0.6);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
}

.footer-logo-sub {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #40E0D0;
  display: block;
  line-height: 1;
  margin-top: 2px;
}

.footer-tagline {
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 1.25rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #40E0D0;
}

.footer-contact p {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

.footer-contact a {
  color: #40E0D0;
  transition: color 0.2s ease;
}

.footer-contact a:hover {
  color: #8fe8c8;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.5rem 0;
  font-size: 0.8125rem;
}

.footer-legal {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ============================================
   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);
  }

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
}

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

  .about-grid {
    gap: 3rem;
  }

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    box-shadow: -10px 0 40px rgba(10, 37, 64, 0.15);
    transition: right 0.3s ease;
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    width: 100%;
    justify-content: flex-start;
  }

  .hero-content {
    padding: 7rem 1.5rem 3rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .hero-stats {
    gap: 1.5rem;
  }

  .hero-stat-number {
    font-size: 1.5rem;
  }

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

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

  .about-image-accent {
    position: relative;
    bottom: auto;
    right: auto;
    width: 70%;
    margin-top: 1rem;
  }

  .about-badge {
    position: relative;
    top: auto;
    right: auto;
    display: inline-block;
    margin-bottom: 1rem;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .section {
    padding: 4rem 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }

  .hero-badge {
    font-size: 0.6875rem;
  }

  .contact-form-wrap {
    padding: 1.5rem;
  }
}

/* Mobile overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 23, 40, 0.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav-overlay.active {
  opacity: 1;
  pointer-events: all;
}