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

:root {
    /* Primary Colors - Based on Professional Medical Theme */
    --primary-color: #00a6b0;
    --primary-light: #33bbc4;
    --primary-dark: #008891;
    --secondary-color: #00c6d0;
    --accent-color: #ff6b6b;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --light-gray: #e9ecef;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --dark-bg: #1a1d23;
    
    /* Semantic Colors */
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00a6b0 0%, #00c6d0 100%);
    --gradient-accent: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(0, 166, 176, 0.9) 0%, rgba(0, 198, 208, 0.9) 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* 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 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Typography */
    --font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* ==================== Loading Screen ==================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-container {
    text-align: center;
    color: var(--white);
}

.pulse-loader {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--white);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

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

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

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

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 600;
    position: relative;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

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

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

.cta-button,
.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 12px 30px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.cta-button:hover,
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition-normal);
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(0, 50, 100, 0.85) 0%, rgba(0, 80, 120, 0.85) 100%), 
                url('images/hero-bg.png') center/cover no-repeat;
    background-attachment: fixed;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    background: var(--gradient-primary);
    opacity: 0.1;
    border-radius: 50%;
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
    animation: float 6s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 20px;
    border-radius: var(--radius-lg);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    animation: slideInRight 0.8s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    animation: slideInLeft 0.8s ease;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
    color: var(--white);
}

.gradient-text {
    color: #00d4ff;
    display: block;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
    font-weight: 900;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    animation: fadeIn 1s ease;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    animation: fadeIn 1.2s ease;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    font-size: 1rem;
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    animation: slideInUp 1.4s ease;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #00d4ff;
    line-height: 1;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.5);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--white);
    margin-top: 5px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    font-weight: 600;
}

.hero-image {
    position: relative;
    animation: fadeIn 1.5s ease;
}

.hero-illustration {
    width: 400px;
    height: 400px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.illustration-circle {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.hero-illustration i {
    font-size: 150px;
    color: var(--white);
    position: relative;
    z-index: 2;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 15px 25px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    animation: floatCard 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.card-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 10%;
    left: 0%;
    animation-delay: 2s;
}

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

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

/* ==================== Animations ==================== */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ==================== Section Styles ==================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.section-description {
    font-size: 1.1rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== Services Section ==================== */
.services {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
}

.service-card.featured .service-icon {
    background: var(--white);
    color: var(--primary-color);
}

.service-card.featured h3,
.service-card.featured p {
    color: var(--white);
}

.featured-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 5px 15px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-gray);
}

.service-card p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-sm);
}

.service-features {
    list-style: none;
    margin-bottom: var(--spacing-sm);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--medium-gray);
}

.service-card.featured .service-features li {
    color: var(--white);
}

.service-features i {
    color: var(--success);
}

.service-btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

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

.service-card.featured .service-btn {
    background: var(--white);
    border-color: var(--white);
    color: var(--primary-color);
}

.service-card.featured .service-btn:hover {
    background: transparent;
    color: var(--white);
}

/* ==================== Equipment Section ==================== */
.equipment {
    padding: var(--spacing-xl) 0;
    background: var(--light-bg);
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: var(--spacing-lg);
}

.equipment-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.equipment-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 166, 176, 0.2);
}

.equipment-item .equipment-image {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.equipment-item .equipment-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--spacing-md);
    transition: var(--transition-slow);
    opacity: 1;
    visibility: visible;
    display: block;
}

.equipment-item:hover .equipment-image img {
    transform: scale(1.05);
}

.equipment-item .equipment-info {
    padding: var(--spacing-md);
    text-align: center;
}

.equipment-item .equipment-info h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.equipment-item .equipment-info p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Responsive Grid */
@media (max-width: 1400px) {
    .equipment-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1024px) {
    .equipment-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .equipment-grid {
        grid-template-columns: 1fr;
    }
}

/* Old styles for backward compatibility */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.equipment-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.equipment-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.equipment-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

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

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

.equipment-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 166, 176, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.equipment-card:hover .equipment-overlay {
    opacity: 1;
}

.view-btn {
    background: var(--white);
    color: var(--primary-color);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-md);
}

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

.equipment-info {
    padding: var(--spacing-md);
}

.equipment-info h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.equipment-info p {
    color: var(--medium-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 800px;
    width: 100%;
    position: relative;
    animation: scaleIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--primary-color);
    transition: var(--transition-fast);
    z-index: 10001;
}

.lightbox-close:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: rotate(90deg);
}

.lightbox-content img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.lightbox-info {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-sm);
}

.lightbox-info h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.lightbox-info p {
    color: var(--medium-gray);
    font-size: 1rem;
    line-height: 1.6;
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* ==================== Video Showcase Section ==================== */
.video-showcase {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.video-container {
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.video-container::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.3;
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

/* ==================== AI Assistant Section ==================== */
.ai-assistant {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
}

.ai-assistant .section-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.ai-assistant .section-title,
.ai-assistant .section-description {
    color: var(--white);
}

.ai-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-10px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--white);
    color: #667eea;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.feature-text h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.feature-text p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.chat-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
}

.chat-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-indicator {
    width: 12px;
    height: 12px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.chat-minimize {
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
}

.chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: var(--spacing-md);
    background: #f8f9fa;
}

.message {
    display: flex;
    gap: 10px;
    margin-bottom: var(--spacing-sm);
    animation: slideInUp 0.3s ease;
}

.message-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.message-content {
    background: var(--white);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    max-width: 70%;
    box-shadow: var(--shadow-sm);
}

.message-content p {
    color: var(--dark-gray);
    margin-bottom: 8px;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-time {
    font-size: 0.75rem;
    color: var(--medium-gray);
    margin-top: 5px;
}

.user-message {
    flex-direction: row-reverse;
}

.user-message .message-content {
    background: var(--gradient-primary);
    color: var(--white);
}

.user-message .message-avatar {
    background: var(--dark-gray);
}

.quick-questions {
    display: flex;
    gap: 10px;
    padding: var(--spacing-sm);
    border-top: 1px solid var(--light-gray);
    flex-wrap: wrap;
}

.quick-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 15px;
    background: var(--light-bg);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    color: var(--primary-color);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.chat-input {
    display: flex;
    gap: 10px;
    padding: var(--spacing-sm);
    border-top: 1px solid var(--light-gray);
}

.attach-btn,
.send-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--light-bg);
    color: var(--primary-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.send-btn {
    background: var(--gradient-primary);
    color: var(--white);
}

.attach-btn:hover,
.send-btn:hover {
    transform: scale(1.1);
}

#chatInput {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 0.95rem;
}

#chatInput:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* ==================== Doctors Section ==================== */
.doctors {
    padding: var(--spacing-xl) 0;
    background: var(--light-bg);
}

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

.doctor-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.doctor-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.doctor-image {
    position: relative;
    height: 250px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.doctor-placeholder {
    font-size: 100px;
    color: var(--white);
}

.doctor-social {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    opacity: 0;
    transition: var(--transition-normal);
}

.doctor-card:hover .doctor-social {
    opacity: 1;
}

.doctor-social a {
    width: 40px;
    height: 40px;
    background: var(--white);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.doctor-social a:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-5px);
}

.doctor-info {
    padding: var(--spacing-md);
    text-align: center;
}

.doctor-info h3 {
    font-size: 1.3rem;
    color: var(--dark-gray);
    margin-bottom: 5px;
}

.specialty {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.doctor-rating {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-bottom: var(--spacing-sm);
}

.doctor-rating i {
    color: #ffc107;
}

.doctor-rating span {
    color: var(--medium-gray);
    font-weight: 600;
    margin-right: 5px;
}

.doctor-bio {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.book-doctor-btn {
    width: 100%;
    padding: 12px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.book-doctor-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==================== Testimonials Section ==================== */
.testimonials {
    padding: var(--spacing-xl) 0;
    background: var(--white);
    position: relative;
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.testimonial-card {
    background: var(--light-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.quote-icon {
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.2;
    position: absolute;
    top: 20px;
    right: 20px;
}

.rating {
    display: flex;
    gap: 5px;
    margin-bottom: var(--spacing-sm);
}

.rating i {
    color: #ffc107;
}

.testimonial-text {
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

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

.patient-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.patient-info h4 {
    color: var(--dark-gray);
    margin-bottom: 2px;
}

.patient-info p {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.slider-btn {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 1.2rem;
}

.slider-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* ==================== Contact Section ==================== */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--light-bg);
}

.contact-wrapper {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.contact-form-container {
    max-width: 700px;
    width: 100%;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.info-card:hover {
    transform: translateX(-10px);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.info-card h4 {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xs);
}

.info-card p {
    color: var(--medium-gray);
    line-height: 1.6;
}

.contact-form-container {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dark-gray);
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group label i {
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    grid-column: 1 / -1;
    padding: 15px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==================== Footer ==================== */
.footer {
    background: var(--dark-bg);
    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-section h4 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.footer-logo .logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    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: var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--white);
    padding-right: 5px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
}

.newsletter-form button {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.newsletter-form button:hover {
    transform: scale(1.1);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
}

.developer-credit {
    width: 100%;
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
}

.developer-credit a {
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition-fast);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.developer-credit a:hover {
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* ==================== Floating Elements ==================== */
.floating-chat-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    z-index: 999;
}

.floating-chat-btn:hover {
    transform: scale(1.1);
}

.chat-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 25px;
    height: 25px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

/* ==================== WhatsApp Floating Button ==================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
    text-decoration: none;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    background: #128C7E;
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
    }
}

/* ==================== Responsive Design ==================== */
@media (max-width: 1024px) {
    .hero-content,
    .ai-container,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-illustration {
        width: 300px;
        height: 300px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 70%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .cta-button {
        display: none;
    }
    
    .hero {
        min-height: 70vh;
        padding-top: 60px;
        padding-bottom: 40px;
    }
    
    .hero-content {
        padding: 20px 0;
    }
    
    .hero-badge {
        margin-top: 40px;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .service-card {
        padding: var(--spacing-sm);
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        margin-bottom: 8px;
    }
    
    .service-card h3 {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .service-card p {
        font-size: 0.85rem;
        margin-bottom: 8px;
    }
    
    .service-features li {
        font-size: 0.8rem;
        padding: 4px 0;
    }
    
    .featured-badge {
        font-size: 0.7rem;
        padding: 4px 10px;
        top: -10px;
        right: 10px;
    }
    
    .doctors-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .doctor-card {
        padding: 10px;
    }
    
    .doctor-image {
        height: 120px;
    }
    
    .doctor-placeholder {
        width: 60px;
        height: 60px;
    }
    
    .doctor-placeholder i {
        font-size: 1.8rem;
    }
    
    .doctor-social {
        display: none;
    }
    
    .doctor-info {
        padding: 10px;
    }
    
    .doctor-info h3 {
        font-size: 0.9rem;
        margin-bottom: 4px;
    }
    
    .doctor-info .specialty {
        font-size: 0.75rem;
        margin-bottom: 6px;
    }
    
    .doctor-rating {
        margin: 6px 0;
        font-size: 0.7rem;
    }
    
    .doctor-rating i {
        font-size: 0.65rem;
    }
    
    .doctor-rating span {
        font-size: 0.75rem;
    }
    
    .doctor-bio {
        font-size: 0.75rem;
        line-height: 1.3;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .floating-card {
        display: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 60vh;
        padding-top: 50px;
        padding-bottom: 30px;
    }
    
    .hero-content {
        padding: 15px 0;
    }
    
    .hero-title {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }
    
    .hero-description {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-illustration {
        width: 250px;
        height: 250px;
    }
    
    .hero-illustration i {
        font-size: 100px;
    }
    
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .equipment-item {
        padding: 15px;
    }
    
    .equipment-item .equipment-image {
        height: 220px;
    }
    
    .equipment-item .equipment-info {
        padding: 15px;
    }
    
    .equipment-item .equipment-info h3 {
        font-size: 1rem;
        min-height: auto;
        margin-bottom: 6px;
    }
    
    .equipment-item .equipment-info p {
        font-size: 0.85rem;
        line-height: 1.5;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .equipment-slider-wrapper {
        padding: 0 40px;
    }
    
    .equipment-slide {
        min-width: 260px;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .video-container {
        margin: var(--spacing-md) auto 0;
    }
}

/* ==================== About Section ==================== */
.about-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f2ff 100%);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 166, 176, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.about-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 168, 204, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.about-wrapper {
    position: relative;
    z-index: 1;
}

.about-main-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: 0 10px 40px rgba(0, 166, 176, 0.1);
    border-top: 5px solid var(--primary-color);
}

.about-intro {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px dashed var(--light-gray);
}

.about-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0, 166, 176, 0.3);
}

.about-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.about-lead {
    flex: 1;
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--dark-gray);
    margin: 0;
}

.highlight-text {
    color: var(--primary-color);
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    padding: 2px 10px;
    border-radius: 5px;
    font-weight: 700;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.feature-box {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.feature-box:hover::before {
    opacity: 1;
}

.feature-box:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 35px rgba(0, 166, 176, 0.2);
}

.feature-box > * {
    position: relative;
    z-index: 1;
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    box-shadow: 0 5px 15px rgba(0, 166, 176, 0.3);
    transition: all 0.4s ease;
}

.feature-box:hover .feature-icon {
    background: var(--white);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

.feature-icon i {
    font-size: 1.8rem;
    color: var(--white);
    transition: color 0.4s ease;
}

.feature-box:hover .feature-icon i {
    color: var(--primary-color);
}

.feature-box h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
    transition: color 0.4s ease;
}

.feature-box:hover h4 {
    color: var(--white);
}

.feature-box p {
    font-size: 0.95rem;
    color: var(--medium-gray);
    margin: 0;
    transition: color 0.4s ease;
}

.feature-box:hover p {
    color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
    .about-intro {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .about-main-card {
        padding: var(--spacing-md);
    }
    
    .about-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .about-lead {
        font-size: 1rem;
    }
}

/* ==================== Advanced Technologies Section ==================== */
.advanced-tech {
    padding: var(--spacing-xl) 0;
    background: var(--light-bg);
}

.tech-details {
    margin-top: var(--spacing-lg);
}

.tech-category {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.tech-category.highlight {
    background: linear-gradient(135deg, #e3f2fd 0%, #f8f9fa 100%);
    border: 2px solid var(--primary-light);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-light);
}

.category-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.category-header h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.category-intro {
    font-size: 1.05rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.tech-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-right: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.tech-card:hover {
    transform: translateX(-5px);
    box-shadow: var(--shadow-md);
}

.tech-card h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
}

.tech-card h4 i {
    color: var(--success);
}

.device-name {
    color: var(--medium-gray);
    font-size: 0.9rem;
    font-style: italic;
}

.benefits-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.benefits-list li {
    padding: var(--spacing-xs) 0;
    color: var(--dark-gray);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    line-height: 1.6;
}

.benefits-list i {
    color: #00a6b0;
    font-size: 0.9rem;
}

.tech-applications {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.app-item {
    background: var(--white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    border-right: 3px solid var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--dark-gray);
}

.app-item i {
    color: var(--success);
}

.tech-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.step-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.step-item i {
    display: block;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.step-item span {
    display: block;
    font-weight: 600;
    color: var(--dark-gray);
}

.tech-note {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    border-right: 4px solid var(--warning);
    margin-top: var(--spacing-md);
    font-size: 0.95rem;
    color: var(--dark-gray);
    font-style: italic;
}

@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-applications {
        grid-template-columns: 1fr;
    }
    
    .about-text {
        padding: var(--spacing-md);
    }
    
    .lead-text {
        font-size: 1.1rem;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}