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

:root {
    /* Update color variables to match design document */
    --primary-bg: #FFFFFF;
    --secondary-bg: #FFFFFF;
    --primary-text: #121212;
    --secondary-text: #555555;
    --border-color: #E0E0E0;
    
    /* Add primary colors from design */
    --deep-space-blue: #0A1128;
    --cosmic-purple: #3E236E;
    --electric-blue: #00B2FF;
    
    /* Update accent color to match design */
    --accent-color: #00B2FF; /* Electric Blue */
    --highlight-color: #FF5700; /* OpenAI color for Fast Take-Off */
    
    /* Track colors */
    --track-tech: #4361EE;
    --track-method: #4CC9F0;
    --track-agent: #7209B7;
    --track-app: #F72585;
    
    /* Organization colors */
    --org-openai: #FF5700;
    --org-anthropic: #3A86FF;
    --org-google: #8338EC;
    --org-academia: #FB5607;
    --org-manus: #FF006E;
    
    /* Keep shadow variables */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.1);
}

body {
    /* Update font family to match design document */
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--primary-text);
    background-color: var(--primary-bg);
    overflow-x: hidden;
}

.container {
    /* Update max-width to match design document */
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 80px; /* Update to match 80px minimum margins */
}

/* Typography updates to match design document */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; /* Bold */
    line-height: 1.3;
    margin-bottom: 0.5em;
    color: var(--primary-text);
}

h1 {
    font-size: 32px; /* Updated to match design */
    text-align: center;
    margin-bottom: 5px;
}

h2 {
    font-size: 24px; /* Updated to match design */
    text-align: center;
    font-style: italic;
    font-weight: 600; /* Semi-Bold */
    color: var(--secondary-text);
    margin-bottom: 30px;
}

h3 {
    font-size: 18px; /* Updated to match design */
    margin-top: 1.5em;
    color: var(--primary-text);
}

p {
    margin-bottom: 1em;
    font-size: 16px; /* Updated to match design */
}

/* Code elements use Fira Mono per design */
code, pre {
    font-family: 'Fira Mono', monospace;
    font-size: 14px;
}

a {
    color: var(--electric-blue); /* Updated to match design */
    text-decoration: none;
    transition: color 0.2s ease, text-decoration 0.2s ease;
}

a:hover {
    color: var(--cosmic-purple); /* Updated to match design */
    text-decoration: underline;
}

/* Layout Components - keep existing structure but update colors */
header {
    padding: 30px 0 10px;
    background-color: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
}

main {
    padding: 30px 0 50px;
}

footer {
    padding: 20px 0;
    background-color: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 14px;
    color: var(--secondary-text);
}

/* Visualization Container - update styles to match design */
.visualization-container {
    background-color: var(--secondary-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    margin-bottom: 30px;
    position: relative;
}

#visualization {
    width: 100%;
    height: 650px;
    overflow: auto;
    scroll-behavior: smooth;
}

/* Update visualization-specific styles for organizational colors */
.milestone[data-organization="OpenAI"] circle {
    fill: var(--org-openai);
}

.milestone[data-organization="Anthropic"] rect {
    fill: var(--org-anthropic);
}

.milestone[data-organization="Google"] path {
    fill: var(--org-google);
}

.milestone[data-organization="Academia"] path {
    fill: var(--org-academia);
}

.milestone[data-organization="Manus"] path {
    fill: var(--org-manus);
}

/* Update track colors */
.track-lane[data-track="Technical Foundations"] {
    fill: var(--track-tech);
    opacity: 0.1;
}

.track-lane[data-track="Methodological Approaches"] {
    fill: var(--track-method);
    opacity: 0.1;
}

.track-lane[data-track="Multi-Agent Systems"] {
    fill: var(--track-agent);
    opacity: 0.1;
}

.track-lane[data-track="Practical Applications"] {
    fill: var(--track-app);
    opacity: 0.1;
}

/* Controls Section - keep structure but update colors */
.controls {
    padding: 12px 20px;
    background-color: #f5f5f7;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Update checkbox styling to match design */
.legend-toggle input[type="checkbox"]:checked {
    background-color: var(--electric-blue);
    border-color: var(--electric-blue);
}

/* Zoom Controls */
.zoom-controls button:hover {
    background-color: var(--electric-blue);
    color: white;
    border-color: var(--electric-blue);
}

/* Update acceleration curve color */
.acceleration-curve {
    stroke: var(--highlight-color);
}

/* Add responsiveness according to design document */
@media (max-width: 1200px) {
    .container {
        padding: 0 50px;
    }
}

@media (max-width: 992px) {
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 20px;
    }
    
    .container {
        padding: 0 40px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 24px;
    }
    
    h2 {
        font-size: 18px;
    }
    
    .container {
        padding: 0 30px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 22px;
    }
    
    h2 {
        font-size: 16px;
    }
    
    .container {
        padding: 0 20px;
    }
}

/* Attribution - CC BY notice */
.attribution {
    font-size: 12px;
    color: var(--secondary-text);
    text-align: right;
    padding: 10px 20px;
}