/* ============================================
   Castleberry KidZ Learning Center
   Classic & Elegant — Teal + Slate Grey
   ============================================ */

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

:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-200: #99f6e4;
    --teal-300: #5eead4;
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --teal-800: #115e59;
    --teal-900: #134e4a;
    --teal-950: #042f2e;

    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #020617;

    --cream: #faf9f6;
    --warm-white: #fefdfb;

    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--slate-800);
    background-color: var(--warm-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--teal-700);
    text-decoration: none;
    transition: color var(--transition);
}

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

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

/* --- Skip Link --- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--teal-800);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-size: 0.875rem;
}

.skip-link:focus {
    top: 16px;
    color: #fff;
}

/* --- Typography --- */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--teal-600);
    margin-bottom: 12px;
}

.section-eyebrow.light {
    color: var(--teal-200);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
    color: var(--slate-900);
    margin-bottom: 20px;
}

.section-title.light {
    color: #fff;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--slate-600);
    max-width: 600px;
    line-height: 1.7;
}

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

.section-header.center .section-subtitle {
    margin: 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--teal-700);
    color: #fff;
    border-color: var(--teal-700);
}

.btn-primary:hover {
    background: var(--teal-800);
    border-color: var(--teal-800);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.5);
}

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

.btn-full {
    width: 100%;
}

/* --- Header --- */
.site-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 var(--slate-200);
    transition: box-shadow var(--transition);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--slate-900);
}

.logo-mark {
    width: 44px;
    height: 44px;
    background: var(--teal-700);
    color: #fff;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-line-one {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--slate-900);
}

.logo-line-two {
    font-family: var(--font-serif);
    font-size: 0.8125rem;
    font-weight: 400;
    font-style: italic;
    color: var(--teal-700);
}

.primary-nav ul {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.primary-nav a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--slate-700);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.primary-nav a:hover {
    color: var(--teal-700);
    background: var(--teal-50);
}

.nav-cta {
    background: var(--teal-700) !important;
    color: #fff !important;
    border-radius: var(--radius-md) !important;
    margin-left: 8px;
}

.nav-cta:hover {
    background: var(--teal-800) !important;
    color: #fff !important;
}

/* --- Nav Toggle --- */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    position: relative;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--slate-800);
    position: relative;
    transition: all var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background: var(--slate-800);
    transition: all var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(4, 47, 46, 0.88) 0%,
        rgba(15, 118, 110, 0.82) 50%,
        rgba(30, 41, 59, 0.85) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 120px 24px 80px;
}

.hero-eyebrow {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--teal-300);
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 5.5vw, 4rem);
    font-weight: 600;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-indicator span {
    display: block;
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* --- About --- */
.about {
    padding: 120px 0;
    background: var(--warm-white);
}

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

.about-image-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

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

.about-content > p {
    color: var(--slate-600);
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
}

.value-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.value-icon {
    width: 48px;
    height: 48px;
    background: var(--teal-50);
    border: 1px solid var(--teal-200);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-700);
    flex-shrink: 0;
}

.value-item h3 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--slate-900);
    margin-bottom: 4px;
}

.value-item p {
    font-size: 0.9375rem;
    color: var(--slate-600);
    line-height: 1.6;
}

/* --- Programs --- */
.programs {
    padding: 120px 0;
    background: var(--slate-50);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 64px;
}

.program-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--slate-200);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--teal-600);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.program-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--teal-200);
}

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

.program-card.featured {
    border-color: var(--teal-300);
    background: linear-gradient(to bottom, var(--teal-50), #fff);
}

.program-card.featured::before {
    transform: scaleX(1);
    background: linear-gradient(90deg, var(--teal-600), var(--teal-400));
}

.program-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--teal-700);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 100px;
}

.program-icon {
    width: 64px;
    height: 64px;
    background: var(--teal-50);
    border: 1px solid var(--teal-200);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-700);
    margin-bottom: 24px;
}

.program-card h3 {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--slate-900);
    margin-bottom: 12px;
}

.program-card > p {
    font-size: 0.9375rem;
    color: var(--slate-600);
    line-height: 1.7;
    margin-bottom: 24px;
}

.program-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.program-features li {
    font-size: 0.875rem;
    color: var(--slate-700);
    padding-left: 20px;
    position: relative;
}

.program-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--teal-500);
    border-radius: 50%;
}

/* --- Approach --- */
.approach {
    padding: 120px 0;
    background: var(--warm-white);
}

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

.approach-grid .approach-content .section-title {
    margin-bottom: 20px;
}

.approach-content > p {
    color: var(--slate-600);
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 48px;
}

.approach-steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.approach-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--teal-200);
    line-height: 1;
    flex-shrink: 0;
    width: 40px;
}

.approach-step h3 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--slate-900);
    margin-bottom: 6px;
}

.approach-step p {
    font-size: 0.9375rem;
    color: var(--slate-600);
    line-height: 1.6;
}

.approach-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.approach-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- Community --- */
.community {
    padding: 120px 0;
    background: var(--slate-50);
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 64px;
}

.community-stat {
    text-align: center;
    padding: 32px 16px;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-200);
    transition: all var(--transition);
}

.community-stat:hover {
    border-color: var(--teal-200);
    box-shadow: var(--shadow-md);
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--teal-700);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--slate-600);
    line-height: 1.5;
}

.community-quote {
    margin-top: 80px;
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.quote-mark {
    color: var(--teal-200);
    margin-bottom: 16px;
}

.community-quote blockquote {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 2.5vw, 1.625rem);
    font-style: italic;
    color: var(--slate-800);
    line-height: 1.6;
    margin-bottom: 20px;
}

.quote-source {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--teal-700);
    letter-spacing: 0.05em;
}

/* --- CTA / Contact --- */
.cta {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(4, 47, 46, 0.92) 0%,
        rgba(15, 118, 110, 0.88) 50%,
        rgba(30, 41, 59, 0.90) 100%
    );
}

.cta-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.cta-content .section-title {
    margin-bottom: 16px;
}

.cta-content > p {
    color: rgba(255,255,255,0.85);
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: 40px;
}

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

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-300);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--teal-300);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.6;
}

.contact-item a {
    color: rgba(255,255,255,0.9);
}

.contact-item a:hover {
    color: #fff;
}

/* --- Form --- */
.cta-form-wrap {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-xl);
}

.form-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--slate-900);
    margin-bottom: 28px;
}

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

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--slate-700);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--slate-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--slate-800);
    background: var(--slate-50);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--teal-500);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--slate-400);
}

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

.form-note {
    font-size: 0.8125rem;
    color: var(--slate-500);
    text-align: center;
    margin-top: 12px;
}

.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success svg {
    color: var(--teal-500);
    margin-bottom: 16px;
}

.form-success h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--slate-900);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--slate-600);
    font-size: 0.9375rem;
}

/* --- Footer --- */
.site-footer {
    background: var(--slate-900);
    color: rgba(255,255,255,0.7);
    padding: 64px 0 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-brand .logo-mark {
    width: 48px;
    height: 48px;
    font-size: 1.0625rem;
}

.footer-name {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    font-weight: 600;
    color: #fff;
}

.footer-tagline {
    font-size: 0.8125rem;
    color: var(--teal-400);
    letter-spacing: 0.05em;
}

.footer-links ul {
    display: flex;
    gap: 24px;
    list-style: none;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.6);
}

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

.footer-contact p {
    font-size: 0.875rem;
    margin-bottom: 4px;
}

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

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
}

/* --- Scroll Reveal (progressive enhancement) --- */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .about-grid,
    .approach-grid,
    .cta-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-image-wrap,
    .approach-image {
        max-height: 480px;
    }

    .about-image-wrap img,
    .approach-image img {
        height: 100%;
    }

    .programs-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .community-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .primary-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 300px;
        height: 100vh;
        background: #fff;
        box-shadow: -8px 0 24px rgba(0,0,0,0.1);
        padding: 100px 32px 32px;
        transform: translateX(100%);
        transition: transform var(--transition);
        z-index: 999;
    }

    .primary-nav.open {
        transform: translateX(0);
    }

    .primary-nav ul {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .primary-nav a {
        padding: 14px 16px;
        font-size: 1rem;
    }

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

    .hero-content {
        padding: 140px 24px 100px;
    }

    .hero-actions {
        flex-direction: column;
    }

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

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

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

    .cta-form-wrap {
        padding: 28px;
    }

    .footer-inner {
        gap: 32px;
    }

    .footer-links ul {
        flex-direction: column;
        gap: 12px;
    }
}

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

    .about,
    .programs,
    .approach,
    .community {
        padding: 80px 0;
    }

    .cta {
        padding: 80px 0;
    }

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

    .stat-number {
        font-size: 2rem;
    }
}

/* --- Mobile nav overlay --- */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

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