/* ===== CSS Variables ===== */
:root {
    --primary: #2e5e3f;
    --primary-light: #3d7a52;
    --primary-dark: #1a3d28;
    --accent: #8b5e34;
    --accent-light: #a67544;
    --accent-glow: rgba(139, 94, 52, 0.25);
    --gold: #c4944a;
    --bg-primary: #fdf8f3;
    --bg-secondary: #f5ede4;
    --bg-card: #ffffff;
    --bg-card-hover: #fef9f5;
    --text-primary: #2c2c2c;
    --text-secondary: #5a5a5a;
    --text-muted: #8a8a8a;
    --border: rgba(46, 94, 63, 0.12);
    --border-hover: rgba(46, 94, 63, 0.25);
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.1);
    --radius: 16px;
    --radius-sm: 8px;
    --radius-full: 100px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ===== Utility ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
    position: relative;
}

.accent {
    color: var(--accent);
}

/* ===== Preloader ===== */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s, visibility 0.6s;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-logo {
    margin-bottom: 24px;
}

.loader-logo img {
    width: 120px;
    height: auto;
    animation: logoPulse 2s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.loader-inner {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.leaf {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50% 0 50% 0;
    animation: leafPulse 1.2s ease-in-out infinite;
}

.leaf:nth-child(2) {
    animation-delay: 0.2s;
}

.leaf:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes leafPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.3); opacity: 1; }
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(253, 248, 243, 0.97);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.nav-logo-img {
    height: 44px;
    width: auto;
}

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

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(46, 94, 63, 0.08);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    transition: var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-img-wrap {
    position: absolute;
    inset: 0;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(253, 248, 243, 0.92) 0%,
        rgba(253, 248, 243, 0.85) 50%,
        rgba(245, 237, 228, 0.88) 100%
    );
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.25;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: #b8d4c8;
    top: -200px;
    right: -200px;
    animation: float 8s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: #e8d4be;
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: #d4e8d9;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-tagline {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--accent);
    margin-bottom: 16px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 7vw, 4.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px var(--accent-glow);
}

.btn-secondary {
    background: rgba(46, 94, 63, 0.06);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(46, 94, 63, 0.1);
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

/* ===== Hero Stats ===== */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}


/* ===== Section Header ===== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(139, 94, 52, 0.08);
    border: 1px solid rgba(139, 94, 52, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    line-height: 1.2;
}

/* ===== About Section ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-lead {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.feature:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateX(8px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
}

.feature-text h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* About Visual */
.about-visual {
    position: relative;
}

.about-images {
    position: relative;
    height: 500px;
}

.about-img-main {
    position: absolute;
    top: 0;
    left: 0;
    width: 75%;
    height: 70%;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-img-main:hover img {
    transform: scale(1.05);
}

.about-img-secondary {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 55%;
    height: 50%;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--bg-primary);
}

.about-img-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-img-secondary:hover img {
    transform: scale(1.05);
}

.about-quote-float {
    position: absolute;
    bottom: 55%;
    right: -10px;
    background: var(--bg-card);
    padding: 20px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    max-width: 240px;
    z-index: 2;
}

.about-quote-float blockquote {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.5;
}

.card-stars {
    display: flex;
    gap: 4px;
    color: #d4a24c;
    font-size: 1rem;
}

/* ===== Services Section ===== */
.services {
    background: var(--bg-secondary);
}

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

.service-card {
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(46, 94, 63, 0.1), rgba(139, 94, 52, 0.08));
    border: 1px solid var(--border);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border-color: transparent;
}

.service-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Gallery Strip ===== */
.gallery-strip {
    padding: 0;
    overflow: hidden;
    width: 100%;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease, filter 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
    filter: brightness(0.7);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    color: white;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* ===== D-Club Section ===== */
.dclub-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.dclub-content .section-tag {
    display: inline-block;
}

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

.dclub-lead {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.dclub-schedule {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.schedule-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.schedule-item i {
    color: var(--primary);
    width: 20px;
}

.dclub-features {
    margin-bottom: 32px;
}

.dclub-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.dclub-features li i {
    color: var(--primary);
    font-size: 0.9rem;
}

.dclub-quote {
    padding: 20px 24px;
    background: rgba(139, 94, 52, 0.04);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 32px;
}

.dclub-quote p {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--accent);
    font-size: 1rem;
}

/* D-Club Visual */
.dclub-visual {
    position: relative;
}

.dclub-img-wrapper {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/5;
}

.dclub-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.dclub-img-wrapper:hover img {
    transform: scale(1.05);
}

.dclub-img-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 30px;
    background: linear-gradient(to top, rgba(26, 61, 40, 0.9), transparent);
    color: white;
    text-align: center;
}

.time-display {
    margin-bottom: 8px;
}

.time-big {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    line-height: 1;
}

.time-period {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.8);
    margin-left: 6px;
}

.dclub-img-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* ===== Fertility Counselling Section ===== */
.fertility .dclub-wrapper {
    grid-template-columns: 1fr 1.2fr;
}

/* ===== Reviews Section ===== */
.reviews {
    background: var(--bg-secondary);
}

.reviews-summary {
    margin-top: 24px;
}

.rating-big {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.rating-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
}

.rating-stars {
    display: flex;
    gap: 4px;
    color: #d4a24c;
    font-size: 1.3rem;
}

.rating-count {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.reviews-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
    overflow: hidden;
}

.review-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

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

.review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.reviewer-avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 1.1rem;
}

.reviewer-info {
    flex: 1;
}

.reviewer-info h4 {
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.review-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.review-stars {
    display: flex;
    gap: 2px;
    color: #d4a24c;
    font-size: 0.85rem;
}

.review-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

/* Slider Controls */
.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.slider-btn {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.slider-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.slider-dots {
    display: flex;
    gap: 8px;
}

.slider-dot {
    width: 8px;
    height: 8px;
    background: var(--border);
    border-radius: 50%;
    transition: var(--transition);
    cursor: pointer;
}

.slider-dot.active {
    background: var(--primary);
    width: 24px;
    border-radius: 4px;
}

/* ===== Contact Section ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.info-card:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.info-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: linear-gradient(135deg, rgba(46, 94, 63, 0.1), rgba(139, 94, 52, 0.08));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
}

.info-content h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.info-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.info-content a {
    color: var(--primary);
}

.info-content a:hover {
    color: var(--primary-light);
}

/* Map */
.contact-map {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}

.map-wrapper {
    width: 100%;
    height: 100%;
    min-height: 400px;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    min-height: 400px;
    filter: saturate(0.8) contrast(0.95);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 16px;
}

.footer-logo-img {
    height: 72px;
    width: auto;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 320px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links ul li {
    margin-bottom: 8px;
}

.footer-links ul li a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-contact ul li i {
    color: var(--primary);
    width: 16px;
}

.footer-contact ul li a {
    color: var(--text-muted);
}

.footer-contact ul li a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-tagline {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--primary) !important;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
}