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

/* CSS Variables for consistent theming */
:root {
    /* Keep existing BEACON colors */
    --primary-blue: #003d7a;
    --secondary-blue: #0066cc;
    --accent-yellow: #ffc107;
    --text-primary: #000000;
    --text-secondary: #000000;
    --background: #ffffff;
    --background-light: #f8f9fa;
    --border-color: #dee2e6;
    --success: #28a745;
    --error: #dc3545;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Base Typography */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

/* Header */
.header {
    padding: var(--spacing-md) var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--background);
}

.logo {
    height: 80px;
    width: auto;
}

/* Hero Section */
.hero {
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--background);
}

.hero-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.hero-left {
    flex: 1;
}

.hero-right {
    flex: 1;
    display: none; /* Hidden on mobile by default */
}

.hero-title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    text-align: center;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: #000000;
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-weight: 600;
    line-height: 1.4;
}

.study-description {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--background-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.study-description p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

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

/* Form Styles */
.enrollment-form {
    max-width: 400px;
    margin: 0 auto var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--background-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--secondary-blue);
}

.form-input.error {
    border-color: var(--error);
}

.form-privacy {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-checkbox {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
}

.checkbox-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.link {
    color: var(--secondary-blue);
    text-decoration: underline;
}

.link:hover {
    text-decoration: none;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-primary {
    width: 100%;
    background-color: var(--secondary-blue);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
    box-shadow: 0 4px 6px rgba(0, 61, 122, 0.25);
}

.btn-primary:hover {
    background-color: var(--primary-blue);
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(0, 61, 122, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Benefits Section */
.benefits {
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--background-light);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.benefit {
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.benefit-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 0;
}

.benefit-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.benefit-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-blue);
    margin: 0;
    margin-bottom: calc(var(--spacing-xs) / 2);
}

.benefit-text {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.5;
    margin-left: calc(2rem + var(--spacing-sm));
}


/* Trust Section - Updated to use gray background like old testimonial */
.trust-section {
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--background-light);
}

/* Video Section */
.video-section {
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--background);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
}

/* About Section */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--background-light);
}

.about-text {
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}


.trust-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.trust-badge {
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 56px;
    transition: all 0.2s ease;
}

.trust-badge:hover {
    border-color: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    background-color: var(--primary-blue);
    color: white;
}

.footer-content {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.footer-text {
    margin: var(--spacing-sm) 0;
    line-height: 1.8;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

.footer-link {
    color: white;
    text-decoration: none;
    font-size: var(--font-size-sm);
}

.footer-link:hover {
    text-decoration: underline;
}

.footer-email {
    color: white;
    text-decoration: underline;
    opacity: 0.9;
}

.footer-email:hover {
    text-decoration: none;
}

.footer-logos {
    text-align: center;
}

.footer-logo-text {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* Utility Classes */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: white;
    padding: var(--spacing-sm);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transform: translateY(150%);
    transition: transform 0.3s ease;
    display: none;
}

.sticky-cta.visible {
    transform: translateY(0);
}

.sticky-cta .btn {
    margin: 0;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
}

/* Mobile-specific sticky CTA */
@media (max-width: 768px) {
    .sticky-cta {
        bottom: 0;
        left: 0;
        right: 0;
        border-radius: 0;
        padding: var(--spacing-sm);
    }

    .sticky-cta .btn {
        width: 100%;
        font-size: var(--font-size-lg);
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    /* Full width on mobile */
    .container {
        padding: 0;
    }

    /* Show sticky CTA on mobile */
    .sticky-cta {
        display: block;
    }

    .hero {
        padding: var(--spacing-md) 0;
    }

    .enrollment-form {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    /* Stack benefits vertically on small screens */
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    /* Adjust section spacing */
    .benefits,
    .image-section,
    .testimonial,
    .video-section,
    .about {
        padding: var(--spacing-lg) 0;
    }

    /* Mobile-specific type sizes */
    .hero-title {
        font-size: 1.75rem;
    }

    .logo {
        height: 60px;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .section-title {
        font-size: var(--font-size-xl);
    }

    /* Stack footer navigation */
    .footer-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    /* Trust badges - single column on mobile */
    .trust-badges {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        max-width: 400px;
        margin: 0 auto;
    }

    .trust-badge {
        font-size: var(--font-size-base);
        padding: var(--spacing-sm) var(--spacing-md);
        text-align: center;
        width: 100%;
    }
}

/* Tablet optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-right {
        display: block;
    }
}

/* Desktop optimizations */
@media (min-width: 769px) {
    /* Show hero image on desktop */
    .hero-right {
        display: block;
    }

    /* Left-align text on desktop */
    .hero-title,
    .hero-subtitle {
        text-align: left;
    }


    /* Adjust form for desktop */
    .enrollment-form {
        margin: 0;
        max-width: 450px;
        padding: var(--spacing-md);
    }

    /* Full-width button in form container on desktop */
    .enrollment-form .btn-primary {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--font-size-lg);
    }

    /* Ensure 3 benefits stay in one row */
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Large screen optimizations */
@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    /* Tighter hero section */
    .hero {
        padding: var(--spacing-lg) 0;
    }

    .hero-content {
        gap: var(--spacing-xl);
    }

    /* Limit text width for readability */
    .testimonial-quote {
        max-width: 800px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .form-input {
        border-width: 3px;
    }

    .btn-primary {
        border: 2px solid transparent;
    }
}

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

/* Print styles */
@media print {
    .header,
    .video-section,
    .footer {
        display: none;
    }

    .enrollment-form {
        box-shadow: none;
        border: 1px solid #000;
    }
}