/* ============================================
   CSS Variables & Root Styles
   ============================================ */
:root {
    /* Colors - Health Theme */
    --primary-color: #00A8CC;
    --primary-dark: #0088A8;
    --primary-light: #4ECDC4;
    --secondary-color: #1E88E5;
    --accent-color: #00D4AA;
    --turquoise: #00CED1;
    --blue-light: #E3F2FD;
    --gray-light: #F5F7FA;
    --gray-medium: #E0E0E0;
    --gray-dark: #757575;
    --text-dark: #212121;
    --text-light: #757575;
    --white: #FFFFFF;
    --success: #4CAF50;
    --error: #F44336;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

[data-theme="dark"] {
    --gray-light: #1E1E1E;
    --text-dark: #FFFFFF;
    --text-light: #B0B0B0;
    --white: #2D2D2D;
    --gray-medium: #3A3A3A;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

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

/* ============================================
   Container
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

[data-theme="dark"] .header {
    background: rgba(45, 45, 45, 0.95);
}

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

.navbar {
    padding: var(--spacing-sm) 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.theme-toggle {
    background: var(--gray-light);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-dark);
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.btn-whatsapp {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: #25D366;
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-whatsapp:hover {
    background: #20BA5A;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 50%, var(--turquoise) 100%);
    z-index: -2;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.4;
    transition: transform var(--transition-slow);
}

.hero:hover .hero-image {
    transform: scale(1.05);
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,150,1344,106,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 168, 204, 0.7) 0%, rgba(0, 212, 170, 0.6) 100%);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: var(--spacing-lg) 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    background: var(--gray-light);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--white);
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: var(--spacing-md) auto 0;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--white);
    padding: 0;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 168, 204, 0.1), transparent);
    transition: left var(--transition-slow);
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--white) 0%, var(--blue-light) 100%);
}

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: -40px auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    transition: all var(--transition-normal);
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 20px rgba(0, 168, 204, 0.3);
}

.service-card h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
    padding: 0 var(--spacing-md);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
    padding: 0 var(--spacing-md) var(--spacing-md);
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--gray-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--blue-light), var(--white));
}

.stat-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-heading);
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

.about-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.about-images .image-card:first-child {
    grid-row: span 2;
}

.image-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    aspect-ratio: 1;
}

.image-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.image-placeholder {
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 4rem;
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
    display: block;
}

.image-card:hover .about-image {
    transform: scale(1.1);
}

/* ============================================
   Gallery Section
   ============================================ */
.gallery {
    background: var(--gray-light);
    padding: var(--spacing-xl) 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    aspect-ratio: 4/3;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 168, 204, 0.8), rgba(0, 212, 170, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.gallery-overlay i {
    color: var(--white);
    font-size: 3rem;
    transform: scale(0.8);
    transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-overlay i {
    transform: scale(1);
}

/* ============================================
   Why Us Section
   ============================================ */
.why-us {
    background: linear-gradient(135deg, var(--blue-light) 0%, var(--gray-light) 100%);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.why-us-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    display: flex;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.why-us-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--white) 0%, var(--blue-light) 100%);
}

.check-icon {
    color: var(--success);
    font-size: 2rem;
    flex-shrink: 0;
}

.why-us-card h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    font-size: 1.2rem;
}

.why-us-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.contact-form {
    background: var(--gray-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--gray-medium);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--white);
    color: var(--text-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 168, 204, 0.1);
}

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

.error-message {
    display: block;
    color: var(--error);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    min-height: 20px;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1.1rem;
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(76, 175, 80, 0.1);
    color: var(--success);
    border: 2px solid var(--success);
}

.form-message.error {
    display: block;
    background: rgba(244, 67, 54, 0.1);
    color: var(--error);
    border: 2px solid var(--error);
}

.contact-info {
    background: var(--gray-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.contact-info h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    align-items: flex-start;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.contact-details a,
.contact-details p {
    color: var(--text-light);
    transition: color var(--transition-fast);
}

.contact-details a:hover {
    color: var(--primary-color);
}

.quick-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.quick-action-btn {
    flex: 1;
    min-width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
    color: var(--white);
}

.whatsapp-btn {
    background: #25D366;
}

.whatsapp-btn:hover {
    background: #20BA5A;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.phone-btn {
    background: var(--primary-color);
}

.phone-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.location-btn {
    background: var(--secondary-color);
}

.location-btn:hover {
    background: #1565C0;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.map-container {
    margin-top: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

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

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    font-size: 1.8rem;
    color: var(--primary-light);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
    color: var(--primary-light);
    width: 20px;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-md);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   Floating WhatsApp Button
   ============================================ */
.floating-whatsapp {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all var(--transition-normal);
    animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    50% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
}

/* ============================================
   Animations
   ============================================ */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up.delay-1 { animation-delay: 0.2s; }
.fade-in-up.delay-2 { animation-delay: 0.4s; }

/* Scroll Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        transition: left var(--transition-normal);
        gap: var(--spacing-sm);
    }

    [data-theme="dark"] .nav-menu {
        background: var(--white);
    }

    .nav-menu.active {
        left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

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

    .about-images .image-card:first-child {
        grid-row: span 1;
    }

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

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

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

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

    .quick-action-btn {
        width: 100%;
    }
}

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

    section {
        padding: var(--spacing-lg) 0;
    }

    .hero {
        min-height: 80vh;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.curved-section {
    position: relative;
    overflow: hidden;
}

.curved-section::before,
.curved-section::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 50px;
    background: var(--white);
    z-index: 1;
}

.curved-section::before {
    top: -25px;
    border-radius: 0 0 50% 50%;
}

.curved-section::after {
    bottom: -25px;
    border-radius: 50% 50% 0 0;
}