/* ==========================================
   CUSTOM FONTS
   ========================================== */

@font-face {
    font-family: 'Slackey';
    src: url('fonts/Slackey-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ==========================================
   CSS VARIABLES & RESET
   ========================================== */

:root {
    --color-bg: #0a0a0a;
    --color-surface: #1a1a1a;
    --color-border: #333333;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;
    --color-accent: #ffffff;
    --color-hover: #2a2a2a;
    
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --font-logo: 'Slackey', 'JetBrains Mono', 'Courier New', monospace;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --border-radius: 8px;
    --border-width: 1px;
    
    --transition-speed: 0.2s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    background-color: #f5f5f7;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
    width: 100%;
    max-width: 100vw;
}

/* ==========================================
   LIGHT THEME (Landing Page Only)
   ========================================== */

body.light-theme {
    background-color: transparent;
    color: #1d1d1f;
}

body.light-theme .logo {
    color: #1d1d1f;
}

body.light-theme .tagline {
    color: #1d1d1f;
}

body.light-theme .tagline-sub {
    color: #6e6e73;
}

body.light-theme .site-footer {
    border-top-color: #d2d2d7;
}

body.light-theme .footer-link {
    color: #1d1d1f;
}

body.light-theme .footer-link:hover {
    color: #6e6e73;
}

body.light-theme .copyright {
    color: #86868b;
}

body.light-theme .cookie-banner {
    background-color: #ffffff;
    border-top-color: #d2d2d7;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
}

body.light-theme .cookie-banner-text {
    color: #6e6e73;
}

body.light-theme .cookie-link {
    color: #1d1d1f;
}

body.light-theme .cookie-link:hover {
    color: #6e6e73;
}

body.light-theme .cookie-btn-secondary {
    background-color: transparent;
    color: #6e6e73;
    border-color: #d2d2d7;
}

body.light-theme .cookie-btn-secondary:hover {
    background-color: #f5f5f7;
    color: #1d1d1f;
}

body.light-theme .cookie-btn-primary {
    background-color: #1d1d1f;
    color: #ffffff;
    border-color: #1d1d1f;
}

body.light-theme .cookie-btn-primary:hover {
    background-color: #6e6e73;
    border-color: #6e6e73;
}

/* ==========================================
   MAIN LAYOUT STRUCTURE
   ========================================== */

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    justify-content: space-between;
}

.site-header {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-lg);
    z-index: 100;
}

.logo {
    font-family: var(--font-logo);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: normal;
    letter-spacing: 0.02em;
    color: var(--color-text-primary);
    margin: 0;
}

.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    text-align: center;
    min-height: 0;
}

.tagline-container {
    max-width: 800px;
}

.hero-image {
    width: clamp(150px, 30vw, 300px);
    height: auto;
    margin-bottom: var(--spacing-md);
    display: block;
    margin-left: auto;
    margin-right: auto;
    filter: drop-shadow(0 0 120px rgba(255, 255, 255, 0.95)) 
            drop-shadow(0 0 80px rgba(255, 255, 255, 0.9)) 
            drop-shadow(0 0 40px rgba(255, 255, 255, 0.85));
    transition: transform 0.3s ease, filter 0.3s ease;
    cursor: pointer;
}

.hero-image:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 0 140px rgba(255, 255, 255, 0.95)) 
            drop-shadow(0 0 100px rgba(255, 255, 255, 0.9)) 
            drop-shadow(0 0 60px rgba(255, 255, 255, 0.85));
}

.tagline {
    font-size: clamp(1.75rem, 4.5vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 0 60px rgba(255, 255, 255, 0.9), 
                 0 0 40px rgba(255, 255, 255, 0.8),
                 0 0 20px rgba(255, 255, 255, 0.7);
}

.download-badge {
    width: clamp(120px, 30vw, 180px);
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
    transition: transform 0.3s ease, filter 0.3s ease;
    cursor: pointer;
}

.download-badge:hover {
    transform: translateY(-2px);
    filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.2));
}

.tagline-sub {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-weight: 400;
}

/* ==========================================
   CARD GRID
   ========================================== */

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

.card {
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition-speed) ease;
}

.card:hover {
    background-color: var(--color-hover);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

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

.card-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.card-title {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.card-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.site-footer {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: #f5f5f7;
    text-align: left;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm) var(--spacing-md);
    justify-content: flex-start;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.footer-link {
    color: var(--color-text-primary);
    text-decoration: underline;
    font-size: 0.75rem;
    transition: color var(--transition-speed) ease;
}

.footer-link:hover {
    color: var(--color-text-secondary);
}

.copyright {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin: 0;
}

.footer-separator {
    height: 1px;
    background: linear-gradient(to right, #d2d2d7 0%, #d2d2d7 30%, transparent 100%);
    margin: 0;
    position: relative;
    z-index: 2;
}

/* ==========================================
   LEGAL PAGES
   ========================================== */

.document-container {
    width: 100%;
    min-height: 100vh;
    padding: var(--spacing-xl) var(--spacing-md);
}

.document {
    max-width: 800px;
    margin: 0 auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xl);
    transition: color var(--transition-speed) ease;
    font-weight: 500;
}

.back-link:hover {
    color: var(--color-text-primary);
}

.document-title {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.document-meta {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: var(--border-width) solid var(--color-border);
}

.document-content {
    text-align: left;
}

.document-content h2 {
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
}

.document-content h3 {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

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

.document-content ul,
.document-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
    color: var(--color-text-secondary);
}

.document-content li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.8;
}

.document-content strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* ==========================================
   WARNING BOX
   ========================================== */

.warning-box {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background-color: var(--color-surface);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--border-radius);
}

.warning-box p {
    margin-bottom: 0;
}

/* ==========================================
   SIGNATURE & ATTESTATION SECTIONS
   ========================================== */

.signature-section,
.attestation-section {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
}

.check-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
}

.check-group:last-of-type {
    margin-bottom: var(--spacing-lg);
}

.signature-line-container {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.signature-input {
    font-family: var(--font-mono);
    font-size: 1.125rem;
}

.signature-title {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-speed) ease;
}

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

.signature-box {
    width: 100%;
    height: 120px;
    background-color: var(--color-bg);
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.signature-box:hover {
    border-color: var(--color-text-secondary);
    color: var(--color-text-secondary);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
}

.checkbox-input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--color-accent);
}

.checkbox-label {
    flex: 1;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    cursor: pointer;
}

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

.submit-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border-left: 3px solid var(--color-accent);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ==========================================
   COOKIE CONSENT BANNER
   ========================================== */

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-top: var(--border-width) solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-lg);
    z-index: 9999;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.3);
}

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

.cookie-banner-text {
    flex: 1;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin: 0;
}

.cookie-link {
    color: var(--color-text-primary);
    text-decoration: underline;
    transition: color var(--transition-speed) ease;
}

.cookie-link:hover {
    color: var(--color-text-secondary);
}

.cookie-banner-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.cookie-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: var(--border-width) solid var(--color-border);
    white-space: nowrap;
}

.cookie-btn-secondary {
    background-color: transparent;
    color: var(--color-text-secondary);
}

.cookie-btn-secondary:hover {
    background-color: var(--color-hover);
    color: var(--color-text-primary);
}

.cookie-btn-primary {
    background-color: var(--color-text-primary);
    color: var(--color-bg);
    border-color: var(--color-text-primary);
}

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

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .document-container {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .signature-section {
        padding: var(--spacing-md);
    }
    
    .cookie-banner-content {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cookie-banner-actions {
        width: 100%;
    }
    
    .cookie-btn {
        flex: 1;
    }
}

@media (max-width: 768px) {
    /* Reduce animation complexity on tablets/mobile */
    .clinical-grid-canvas {
        will-change: transform;
    }
    
    .hero-image {
        width: clamp(140px, 40vw, 220px);
    }
    
    .tagline {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }
}

@media (max-width: 480px) {
    .site-header {
        top: var(--spacing-sm);
        left: var(--spacing-sm);
    }
    
    .logo {
        font-size: 1.125rem;
    }
    
    .hero-image {
        width: clamp(100px, 45vw, 180px);
        margin-bottom: var(--spacing-sm);
        filter: drop-shadow(0 0 80px rgba(255, 255, 255, 0.95)) 
                drop-shadow(0 0 50px rgba(255, 255, 255, 0.9));
    }
    
    .hero-image:hover {
        transform: scale(1.05);
        filter: drop-shadow(0 0 90px rgba(255, 255, 255, 0.95)) 
                drop-shadow(0 0 60px rgba(255, 255, 255, 0.9));
    }
    
    .tagline {
        font-size: 1.125rem;
        line-height: 1.3;
        margin-bottom: var(--spacing-sm);
        text-shadow: 0 0 40px rgba(255, 255, 255, 0.9), 
                     0 0 20px rgba(255, 255, 255, 0.8);
    }
    
    .download-badge {
        width: clamp(100px, 40vw, 150px);
        filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.12));
    }
    
    .download-badge:hover {
        transform: translateY(-1px);
        filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.15));
    }
    
    .site-footer {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .footer-links {
        gap: var(--spacing-xs) var(--spacing-sm);
        flex-wrap: wrap;
    }
    
    .footer-link {
        font-size: 0.7rem;
    }
    
    .copyright {
        font-size: 0.65rem;
    }
    
    .main-content {
        padding: var(--spacing-sm) var(--spacing-sm);
    }
    
    /* Performance optimization for mobile */
    * {
        -webkit-tap-highlight-color: transparent;
    }
    
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }
}

/* ==========================================
   CLINICAL GRID BACKGROUND
   ========================================== */

.clinical-grid-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}

/* Ensure all content sits above the canvas */
.site-header,
.main-content,
.site-footer {
    position: relative;
    z-index: 1;
}