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

:root {
    /* Clinical Blue Color Palette */
    --primary-blue: #1e40af;
    --primary-blue-light: #3b82f6;
    --primary-blue-dark: #1e3a8a;
    
    /* Accent Colors */
    --accent-teal: #0d9488;
    --accent-green: #059669;
    --accent-orange: #ea580c;
    
    /* Neutral Colors */
    --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;
    
    /* Text Colors */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: var(--gray-50);
    --bg-tertiary: var(--gray-100);
    
    /* Border Colors */
    --border-light: var(--gray-200);
    --border-medium: var(--gray-300);
    
    /* Shadow */
    --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);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.125rem;
    --radius: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-4);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-4);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--primary-blue-dark);
    text-decoration: underline;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-4);
    }
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    min-height: 44px; /* Accessible touch target */
}

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

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    border-color: var(--primary-blue-dark);
    color: white;
    text-decoration: none;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-outline:hover {
    background-color: var(--primary-blue);
    color: white;
    text-decoration: none;
}

.btn-orange {
    background-color: #ff6b35;
    color: white;
    border-color: #ff6b35;
}

.btn-orange:hover {
    background-color: #e55a2b;
    border-color: #e55a2b;
    color: white;
    text-decoration: none;
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
}

/* Header and Navigation */
.header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: var(--spacing-4) 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-8);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    flex-shrink: 0;
}

.brand-icon {
    color: var(--primary-blue);
    display: flex;
    align-items: center;
}

.brand-text h1 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0;
}

.brand-text p {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: 0;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-2) 0;
    position: relative;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
    text-decoration: none;
}

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

.nav-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
}

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

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 1024px) {
    .nav-buttons .btn {
        font-size: var(--font-size-xs);
        padding: var(--spacing-2) var(--spacing-4);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-primary);
        border-top: 1px solid var(--border-light);
        flex-direction: column;
        padding: var(--spacing-6);
        gap: var(--spacing-6);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }

    .nav-menu.mobile-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-buttons {
        display: none;
    }
}

/* Main Content Offset */
main {
    margin-top: 80px; /* Account for fixed header */
}

/* Section Styles */
section {
    padding: var(--spacing-20) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    margin-bottom: var(--spacing-6);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    padding: var(--spacing-20) 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.hero-text h1 {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-6);
    line-height: 1.2;
}

.hero-text p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-8);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: var(--font-size-4xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

/* About Section */
.about {
    background-color: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: start;
}

.about-text h3 {
    color: var(--primary-blue);
    margin-top: var(--spacing-8);
    margin-bottom: var(--spacing-4);
}

.about-text h3:first-child {
    margin-top: 0;
}

.experience-list {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-8);
}

.experience-list li {
    padding: var(--spacing-3) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-6);
}

.experience-list li::before {
    content: '✓';
    color: var(--accent-green);
    position: absolute;
    left: 0;
    top: var(--spacing-3);
    font-weight: bold;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
}

.stat-card {
    background-color: var(--bg-secondary);
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    text-align: center;
    transition: var(--transition-normal);
}

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

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-2);
}

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

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
}

/* Features Section */
.features {
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-8);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    background-color: var(--bg-secondary);
    transition: var(--transition-normal);
}

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

.feature-icon {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-6);
}

.feature-card h3 {
    margin-bottom: var(--spacing-4);
}

.feature-card p {
    color: var(--text-secondary);
}

/* Research Areas Section */
.research {
    background-color: var(--bg-secondary);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

.research-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.research-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.research-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.research-content {
    padding: var(--spacing-8);
}

.research-content h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-4);
}

.research-content p {
    margin-bottom: var(--spacing-6);
}

.research-content ul {
    list-style: none;
    padding: 0;
}

.research-content li {
    padding: var(--spacing-2) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-6);
}

.research-content li::before {
    content: '•';
    color: var(--primary-blue);
    position: absolute;
    left: 0;
    top: var(--spacing-2);
}

/* Clinical Trials Section */
.trials {
    background-color: var(--bg-primary);
}

.trials-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.trials-text h2 {
    margin-bottom: var(--spacing-6);
}

.trials-text p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
}

.benefits-list {
    margin-bottom: var(--spacing-8);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.benefit-icon {
    width: 24px;
    height: 24px;
    background-color: var(--accent-green);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.benefit-item span {
    color: var(--text-secondary);
}

.trials-buttons {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.trials-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .trials-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
        text-align: center;
    }
    
    .trials-buttons {
        justify-content: center;
    }
}

/* Contact Section */
.contact {
    background-color: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: start;
}

.contact-info h3,
.enrollment-form h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-8);
}

.contact-item {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

.contact-icon {
    color: var(--primary-blue);
    flex-shrink: 0;
    margin-top: var(--spacing-1);
}

.contact-item h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.contact-item p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2);
}

.contact-note {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--primary-blue) !important;
}

/* Form Styles */
.enrollment-form {
    background-color: var(--bg-primary);
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-3);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: var(--transition-fast);
    background-color: var(--bg-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

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

/* SMS Consent Section */
.sms-consent {
    background-color: var(--bg-secondary);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-8);
}

.sms-consent h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-6);
}

.checkbox-group {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
    align-items: flex-start;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 2px;
    flex-shrink: 0;
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.sms-disclaimer {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    border-top: 1px solid var(--border-light);
    padding-top: var(--spacing-4);
}

.sms-disclaimer p {
    margin-bottom: var(--spacing-3);
}

.sms-disclaimer a {
    color: var(--primary-blue);
    text-decoration: underline;
}

.form-disclaimer {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-6);
}

.form-disclaimer a {
    color: var(--primary-blue);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .checkbox-group {
        flex-direction: column;
        gap: var(--spacing-2);
    }
}

/* Footer */
.footer {
    background-color: var(--gray-900);
    color: white;
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

.footer-section h3 {
    color: white;
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.footer-brand .brand-icon {
    color: var(--primary-blue-light);
}

.footer-brand span {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: white;
}

.footer-section p {
    color: var(--gray-300);
    margin-bottom: var(--spacing-6);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: var(--spacing-3);
}

.footer-section a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--primary-blue-light);
    text-decoration: none;
}

.social-links {
    display: flex;
    gap: var(--spacing-4);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--gray-800);
    color: var(--gray-300);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary-blue);
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-8);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.footer-bottom p {
    color: var(--gray-400);
    margin-bottom: 0;
}

.footer-badges {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

@media (max-width: 768px) {
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-badges {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 100px;
    right: var(--spacing-6);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-xl);
    padding: var(--spacing-4) var(--spacing-6);
    box-shadow: var(--shadow-xl);
    z-index: 1001;
    min-width: 300px;
    transform: translateX(400px);
    transition: var(--transition-normal);
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left: 4px solid var(--accent-green);
}

.toast.error {
    border-left: 4px solid var(--accent-orange);
}

.toast-title {
    font-weight: 600;
    margin-bottom: var(--spacing-2);
}

.toast.success .toast-title {
    color: var(--accent-green);
}

.toast.error .toast-title {
    color: var(--accent-orange);
}

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

/* Legal Pages Styles */
.legal-content {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
    background: var(--background-light);
}

.legal-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
    background: var(--primary-blue);
    color: white;
    border-radius: 10px;
}

.legal-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.last-updated {
    font-size: 1rem;
    opacity: 0.9;
}

.legal-text {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.legal-text section {
    margin-bottom: 2.5rem;
}

.legal-text h2 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--primary-blue-light);
    padding-bottom: 0.5rem;
}

.legal-text h3 {
    color: var(--secondary-dark);
    font-size: 1.2rem;
    margin: 1.5rem 0 0.5rem 0;
}

.legal-text p {
    line-height: 1.7;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.legal-text ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.legal-text li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
    color: var(--text-dark);
}

.contact-info {
    background: var(--background-light);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
    margin: 1rem 0;
}

.contact-info p {
    margin: 0;
    line-height: 1.8;
}

/* Clinical Trial Enrollment Page - Mobile Style */
.enrollment-page {
    background: #f8f9fa;
    padding: 2rem 0;
    min-height: 100vh;
}

.mobile-form-container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.brand-header {
    text-align: center;
    margin-bottom: 2rem;
}

.brand-header h1 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin: 0;
    font-weight: 400;
}

.brand-header h1 strong {
    font-weight: 700;
}

.form-hero {
    text-align: center;
    margin-bottom: 2rem;
}

.form-hero h2 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.form-hero p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

.cta-button {
    text-align: center;
    margin-bottom: 2rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 6px;
    border: none;
    background: var(--primary-blue);
    color: white;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-large:hover {
    background: var(--primary-blue-dark);
}

.form-intro {
    text-align: center;
    margin-bottom: 2rem;
}

.form-intro p {
    color: #666;
    font-size: 0.95rem;
    margin: 0;
}

.simple-form {
    max-width: 100%;
}

.simple-form .form-group {
    margin-bottom: 1.5rem;
}

.simple-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
    font-size: 0.95rem;
}

.simple-form input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.simple-form input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.consent-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid var(--primary-blue);
}

.consent-text {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 1rem;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #333;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.checkbox-label a {
    color: var(--primary-blue);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-bottom: 2rem;
}

.btn-submit:hover {
    background: var(--primary-blue-dark);
}

.contact-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

.contact-footer p {
    margin: 0.5rem 0;
    color: #666;
    font-size: 0.95rem;
}

.contact-footer a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
}

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

/* Contact Page Styles */
.contact {
    padding: var(--spacing-16) 0;
    background: var(--background-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    margin-top: var(--spacing-8);
}

.contact-info {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-info h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.contact-icon {
    color: var(--primary-blue);
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-1);
    font-size: var(--font-size-lg);
}

.contact-item p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-note {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-top: var(--spacing-1);
}

.quick-contact {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.quick-contact h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-xl);
}

.quick-contact > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-6);
}

.contact-form .form-group {
    margin-bottom: var(--spacing-4);
}

.contact-form label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 500;
    color: var(--text-primary);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-3);
    border: 2px solid var(--border-medium);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    box-sizing: border-box;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px var(--primary-blue-light);
}

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

.enrollment-cta {
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.enrollment-cta p {
    margin-bottom: var(--spacing-3);
    color: var(--text-secondary);
    font-weight: 500;
}

@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
}

@media (max-width: 768px) {
    .mobile-form-container {
        margin: 0 1rem;
        padding: 1.5rem;
    }
    
    .brand-header h1 {
        font-size: 2rem;
    }
    
    .form-hero h2 {
        font-size: 1.5rem;
    }
    
    .btn-large {
        width: 100%;
        padding: 0.875rem 1.5rem;
    }
    
    .contact-info,
    .quick-contact {
        padding: var(--spacing-6);
    }
}

/* Sample Message Styles */
.sample-message {
    margin-top: var(--spacing-6);
    padding: var(--spacing-4);
    background-color: var(--background-light);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
}

.sample-message p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.sample-message strong {
    color: var(--primary-blue);
}

@media (max-width: 1024px) {
    .enrollment-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .enrollment-sidebar {
        order: 2;
    }
}

@media (max-width: 768px) {
    .legal-text {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .legal-header h1 {
        font-size: 2rem;
    }
    
    .enrollment-hero h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: var(--spacing-4);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .radio-group {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .toast {
        right: var(--spacing-4);
        left: var(--spacing-4);
        min-width: auto;
        transform: translateY(-100px);
    }
    
    .toast.show {
        transform: translateY(0);
    }
}

/* Loading States */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
    margin-left: var(--spacing-2);
}

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

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

/* Focus Styles */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --border-light: #000000;
        --border-medium: #000000;
        --shadow-sm: none;
        --shadow-md: none;
        --shadow-lg: none;
        --shadow-xl: none;
    }
}