/* EMDRly - Modern, Gentle Design System */

:root {
    /* Light mode colors */
    --color-primary: #6B8E7B;
    --color-primary-dark: #5A7A69;
    --color-primary-light: #8BA99A;
    --color-secondary: #9B8AA0;
    --color-accent: #E8B4A0;
    --color-background: #FDFBF9;
    --color-surface: #FFFFFF;
    --color-surface-elevated: #F8F6F4;
    --color-text: #2D3436;
    --color-text-secondary: #636E72;
    --color-text-muted: #95A5A6;
    --color-border: #E8E4E0;
    --color-success: #7CB99B;
    --color-warning: #E8C87B;
    --color-error: #D98B8B;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* 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: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.05), 0 4px 6px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.08), 0 10px 10px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-primary: #8BA99A;
        --color-primary-dark: #6B8E7B;
        --color-primary-light: #A8C4B5;
        --color-secondary: #B8A8BC;
        --color-accent: #E8C4B4;
        --color-background: #1A1D1E;
        --color-surface: #242829;
        --color-surface-elevated: #2D3234;
        --color-text: #F5F5F5;
        --color-text-secondary: #B0B8BC;
        --color-text-muted: #7A8488;
        --color-border: #3A4044;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
        --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25), 0 1px 3px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.25), 0 4px 6px rgba(0, 0, 0, 0.3);
        --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3), 0 10px 10px rgba(0, 0, 0, 0.2);
    }
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
}

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

a:hover {
    color: var(--color-primary-dark);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.3;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    gap: var(--spacing-sm);
}

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

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

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

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

.btn-white:hover {
    background-color: var(--color-surface-elevated);
    color: var(--color-primary-dark);
}

.btn-outline-white {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
}

.logo:hover {
    color: var(--color-text);
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-links a {
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-surface);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
    min-height: 100vh;
}

.hero-badge {
    display: inline-block;
    background-color: var(--color-primary-light);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.hero-content h1 {
    margin-bottom: var(--spacing-lg);
}

.hero-content .highlight {
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

.hero-trust {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.trust-icon {
    font-size: 1.1rem;
}

/* Phone Mockup */
.phone-mockup {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
    max-width: 320px;
    margin: 0 auto;
}

.phone-screen {
    background-color: var(--color-surface);
    border-radius: 32px;
    overflow: hidden;
    aspect-ratio: 9/16;
}

.app-preview {
    padding: var(--spacing-xl);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.app-header .greeting {
    font-weight: 500;
    color: var(--color-text);
}

.app-header .time {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.app-message {
    background-color: var(--color-surface-elevated);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.app-message p {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.app-message .gentle-prompt {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.mood-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.mood {
    background-color: var(--color-surface-elevated);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        min-height: auto;
        padding-top: calc(80px + var(--spacing-2xl));
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-trust {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        max-width: 280px;
    }
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-surface);
}

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

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

.section-header p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}

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

.feature-card {
    background-color: var(--color-surface-elevated);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-primary);
    font-weight: 600;
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* How It Works Detail */
.how-it-works-detail {
    padding: var(--spacing-3xl) 0;
}

.timeline {
    max-width: 700px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.timeline-item:last-child {
    border-bottom: none;
}

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

.timeline-content h4 {
    font-family: var(--font-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.timeline-content p {
    color: var(--color-text-secondary);
    font-style: italic;
}

/* Safety Section */
.safety-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-surface);
}

.safety-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.safety-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.safety-content h2 {
    margin-bottom: var(--spacing-md);
}

.safety-content > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.safety-features {
    text-align: left;
}

.safety-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--color-surface-elevated);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.safety-item .check {
    color: var(--color-success);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.safety-item strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.safety-item p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

/* Testimonials */
.testimonials {
    padding: var(--spacing-3xl) 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.testimonial-card.provider {
    border-color: var(--color-primary-light);
    background-color: rgba(107, 142, 123, 0.05);
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.testimonial-content p {
    color: var(--color-text);
    font-style: italic;
    line-height: 1.7;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    color: var(--color-text);
}

.author-info span {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Newsletter */
.newsletter {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-surface);
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-content h2 {
    margin-bottom: var(--spacing-md);
}

.newsletter-content > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.newsletter-form .form-group {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 1rem;
    background-color: var(--color-background);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-options {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

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

.checkbox-label input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.form-note {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

@media (max-width: 600px) {
    .newsletter-form .form-group {
        flex-direction: column;
    }
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
}

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

/* Footer */
.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

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

.footer-brand p {
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
    max-width: 300px;
}

.footer-links h4 {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

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

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

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.footer-disclaimer {
    background-color: var(--color-surface-elevated);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.footer-disclaimer p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-copyright {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: span 1;
    }
}

/* Page Headers */
.page-header {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-2xl);
    text-align: center;
    background-color: var(--color-surface);
}

.page-header h1 {
    margin-bottom: var(--spacing-md);
}

.page-header .subtitle {
    color: var(--color-text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Content Sections */
.content-section {
    padding: var(--spacing-3xl) 0;
}

.content-section:nth-child(even) {
    background-color: var(--color-surface);
}

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

.content-grid.reverse {
    direction: rtl;
}

.content-grid.reverse > * {
    direction: ltr;
}

.content-text h2 {
    margin-bottom: var(--spacing-lg);
}

.content-text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.content-list {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.content-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

.content-list li::before {
    content: "✓";
    color: var(--color-success);
    font-weight: 600;
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .content-grid,
    .content-grid.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.pricing-card {
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-base);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.pricing-card:hover {
    border-color: var(--color-primary-light);
}

.pricing-badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.pricing-card h3 {
    font-family: var(--font-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.pricing-card .price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

.pricing-card .period {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

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

.pricing-features li::before {
    content: "✓";
    color: var(--color-success);
    font-weight: 600;
    flex-shrink: 0;
}

/* Legal Pages */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.legal-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.legal-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
    font-family: var(--font-primary);
    font-weight: 600;
}

.legal-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.legal-content ul, .legal-content ol {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
    line-height: 1.8;
}

.legal-content li {
    margin-bottom: var(--spacing-sm);
}

.legal-content .last-updated {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-2xl);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

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

/* Smooth scroll offset for fixed nav */
:target::before {
    content: "";
    display: block;
    height: 100px;
    margin-top: -100px;
}