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

:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --secondary-dark: #059669;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #10b981;
    
    /* Grays */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Background */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    
    /* Text */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    font-size: var(--text-base);
}

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

/* Header */
.header {
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo i {
    font-size: var(--text-2xl);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: var(--text-xl);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--text-primary);
    border: 1px solid var(--gray-200);
}

.btn-secondary:hover {
    background: var(--gray-200);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: var(--secondary-dark);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--text-lg);
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::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 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
    opacity: 0.5;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.appointment-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-xl);
}

.card-info h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.card-info p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.appointment-details {
    margin-bottom: var(--spacing-lg);
}

.detail {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.detail i {
    color: var(--primary-color);
    width: 16px;
}

.card-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--bg-primary);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

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

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: white;
    font-size: var(--text-2xl);
}

.service-card h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

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

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.service-features i {
    color: var(--success-color);
    font-size: var(--text-xs);
}

/* Doctors Section */
.doctors {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.doctors-filters {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    justify-content: center;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filter-group label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.filter-group select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    font-size: var(--text-sm);
    min-width: 200px;
}

.doctors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.doctor-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--gray-200);
}

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

.doctor-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: white;
    font-size: var(--text-3xl);
    font-weight: 600;
}

.doctor-card h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.doctor-specialty {
    color: var(--primary-color);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.doctor-info {
    margin-bottom: var(--spacing-lg);
}

.doctor-info p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-sm);
}

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

.stars {
    display: flex;
    gap: 2px;
}

.star {
    color: var(--accent-color);
    font-size: var(--text-sm);
}

.star.empty {
    color: var(--gray-300);
}

.rating-text {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.doctor-availability {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: var(--text-sm);
}

.availability-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success-color);
}

.availability-indicator.busy {
    background: var(--danger-color);
}

/* Appointments Section */
.appointments {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.appointments-dashboard {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-2xl);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.dashboard-sidebar {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-right: 1px solid var(--gray-200);
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
}

.menu-item:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.menu-item.active {
    background: var(--primary-color);
    color: white;
}

.menu-item i {
    font-size: var(--text-lg);
    width: 20px;
}

.dashboard-content {
    padding: var(--spacing-xl);
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.section-title h3 {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--text-primary);
}

.search-box {
    position: relative;
    max-width: 300px;
}

.search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-right: 40px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
}

.search-box i {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

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

.appointment-item {
    background: var(--bg-secondary);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-fast);
}

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

.appointment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.appointment-info h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.appointment-info p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.appointment-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-confirmed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.status-pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.status-cancelled {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.appointment-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.appointment-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* Forms */
.schedule-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.schedule-form {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    background: var(--bg-primary);
    transition: var(--transition-fast);
}

.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(37, 99, 235, 0.1);
}

.form-actions {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--text-sm);
}

.checkbox input {
    width: auto;
    margin: 0;
}

/* Contact Section */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info h2 {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    font-size: var(--text-lg);
}

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

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition-fast);
}

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

.contact-method.emergency {
    border-color: var(--danger-color);
    background: rgba(239, 68, 68, 0.05);
}

.method-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-lg);
}

.contact-method.emergency .method-icon {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
}

.method-info h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.method-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.method-info small {
    color: var(--text-muted);
    font-size: var(--text-xs);
}

.contact-form-container {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.contact-form h3 {
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
    text-align: center;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
    color: white;
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    font-size: var(--text-2xl);
}

.footer-section p {
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

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

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-400);
    font-size: var(--text-sm);
}

.footer-bottom p {
    margin-bottom: var(--spacing-sm);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.3s ease-out;
}

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

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-large .modal-content {
    max-width: 800px;
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--text-xl);
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    margin-top: var(--spacing-lg);
}

.modal-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.modal-footer a:hover {
    text-decoration: underline;
}

/* Schedule Wizard */
.schedule-wizard {
    max-width: 100%;
}

.wizard-steps {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.wizard-steps::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 25%;
    right: 25%;
    height: 2px;
    background: var(--gray-200);
    z-index: 1;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 2;
    background: var(--bg-primary);
    padding: 0 var(--spacing-md);
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: var(--transition-fast);
}

.step.active .step-number {
    background: var(--primary-color);
    color: white;
}

.step.completed .step-number {
    background: var(--success-color);
    color: white;
}

.step span {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.step.active span {
    color: var(--primary-color);
}

.wizard-content {
    min-height: 400px;
    margin-bottom: var(--spacing-xl);
}

.wizard-step {
    display: none;
}

.wizard-step.active {
    display: block;
}

.wizard-step h4 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    color: var(--text-primary);
}

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

.doctor-selection-card {
    background: var(--bg-secondary);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.doctor-selection-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.doctor-selection-card.selected {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.datetime-selection {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.calendar-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--gray-200);
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.calendar-nav {
    background: none;
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.calendar-nav:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.calendar-day:hover {
    background: var(--gray-100);
}

.calendar-day.available {
    background: var(--bg-primary);
    border: 1px solid var(--gray-200);
}

.calendar-day.available:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.calendar-day.selected {
    background: var(--primary-color);
    color: white;
}

.calendar-day.disabled {
    color: var(--text-muted);
    cursor: not-allowed;
}

.time-slots {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--gray-200);
}

.time-slots h5 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.time-slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-sm);
}

.time-slot {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.time-slot:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.time-slot.selected {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.time-slot.disabled {
    background: var(--gray-100);
    color: var(--text-muted);
    cursor: not-allowed;
}

.appointment-summary {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    border: 1px solid var(--gray-200);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-200);
}

.summary-item:last-child {
    border-bottom: none;
    font-weight: 600;
    font-size: var(--text-lg);
}

.summary-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.summary-value {
    color: var(--text-primary);
    font-weight: 500;
}

.wizard-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Demo Modal */
.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.demo-video {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    border: 1px solid var(--gray-200);
}

.video-placeholder {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.video-placeholder i {
    font-size: var(--text-5xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.video-placeholder h4 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.demo-features h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.demo-features ul {
    list-style: none;
}

.demo-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.demo-features i {
    color: var(--success-color);
    font-size: var(--text-sm);
}

/* Prescriptions */
.prescriptions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.prescription-item {
    background: var(--bg-secondary);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-fast);
}

.prescription-item:hover {
    box-shadow: var(--shadow-md);
}

.prescription-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.prescription-info h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.prescription-date {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.prescription-medications {
    margin-bottom: var(--spacing-md);
}

.medication {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

.medication:last-child {
    border-bottom: none;
}

.medication-name {
    font-weight: 500;
    color: var(--text-primary);
}

.medication-dosage {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* Loading and Notifications */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    z-index: 3000;
    backdrop-filter: blur(4px);
}

.loading-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner {
    text-align: center;
}

.loading-spinner i {
    font-size: var(--text-3xl);
    color: var(--primary-color);
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

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

.loading-spinner p {
    color: var(--text-secondary);
    font-weight: 500;
}

.notification-container {
    position: fixed;
    top: 100px;
    right: var(--spacing-lg);
    z-index: 2500;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.notification {
    background: var(--bg-primary);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    animation: slideInRight 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
}

.notification.success::before {
    background: var(--success-color);
}

.notification.error::before {
    background: var(--danger-color);
}

.notification.warning::before {
    background: var(--warning-color);
}

.notification-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.notification-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.notification-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.notification-message {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .appointments-dashboard {
        grid-template-columns: 1fr;
    }
    
    .dashboard-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .sidebar-menu {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .menu-item {
        white-space: nowrap;
        min-width: 150px;
    }
    
    .datetime-selection {
        grid-template-columns: 1fr;
    }
    
    .demo-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-description {
        font-size: var(--text-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .services-grid,
    .doctors-grid {
        grid-template-columns: 1fr;
    }
    
    .doctors-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-group {
        width: 100%;
        max-width: 300px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
    
    .wizard-steps {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .wizard-steps::before {
        display: none;
    }
    
    .doctors-selection {
        grid-template-columns: 1fr;
    }
    
    .notification {
        max-width: calc(100vw - 2rem);
        margin: 0 var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .section-header h2 {
        font-size: var(--text-3xl);
    }
    
    .appointment-card {
        padding: var(--spacing-lg);
    }
    
    .btn-lg {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--text-base);
    }
    
    .time-slots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
input:focus,
select:focus,
textarea:focus,
.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --gray-200: #000000;
        --gray-300: #000000;
        --text-secondary: #000000;
    }
}

/* Print styles */
@media print {
    .header,
    .footer,
    .btn,
    .modal,
    .notification-container,
    .loading-overlay {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
}