body {
    font-family: 'Inter', sans-serif;
    background-color: #f3f4f6;
    padding: 2rem;
    color: #4b5563;
    line-height: 1.6;
}

.main-content {
    max-width: 61.8rem;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    gap: 0.0618rem;
}

h1, h2, h3 {
    font-family: 'Merriweather', serif;
    font-weight: 700;
    color: #1f2937;
}

h2 {
    font-size: 1.618rem;
    border-bottom: 2px solid #3b82f6;
    padding-bottom: 0.5rem;
}

p {
    font-size: 1.1618rem;
}

.page-title {
    text-align: center;
}

.title-image {
    width: 200em;
    height: 38.2%;
}

.graph-fart {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    border: 1px solid #ddd;
    width: auto;
    max-width: 600px;
    margin: 0 auto; /* Center the graph box */
    height: auto; /* Set a fixed height for the container */
}

.graph-fart h3 {
    font-size: 1.618rem;
    text-align: center;
    margin-top: 0;
}

.graph-fart canvas{
    max-width: 500px;
    width: 500px;
    height: 400px; /* Let height adjust to maintain aspect ratio */
    background-color: #fff;
    border-radius: 4px;
}

/* Specific styling for the first graph box */
.graph-box {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    border: 1px solid #ddd;
    width: 500px;
    max-width: 500px;
    margin: 0 auto; /* Center the graph box */
    height: auto; /* Set a fixed height for the container */
}

.graph-box h3 {
    font-size: 1.618rem;
    text-align: center;
    margin-top: 0;
}

.graph-box canvas{
    max-width: 500px;
    width: 500px;
    height: 400px; /* Let height adjust to maintain aspect ratio */
    background-color: #fff;
    border-radius: 4px;
}

/* Specific styling for the second graph container */
.graph-container {
    padding: 1.5rem;
    background-color: #ffffff;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    height: 700px; /* Set a fixed height for the container */
    max-width: 761px;
    width: 761px;
    margin: 0 auto; /* Center the graph box */
}

.graph-container h3 {
    text-align: center;
}

.graph-container canvas{
    max-width: 761px;
    width: 761px;
    height: 500px; /* Let height adjust to maintain aspect ratio */
    background-color: #fff;
    border-radius: 4px;
}

/* Specific styling for the third graph space */
.graph-space {
    padding: 1rem;
    background-color: #ffffff;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    max-width: auto;
    width: 700px;
    border: 0 solid #d1d5db;
    max-height: auto;
    height: auto; /* Set a fixed height for the container */
}

.graph-space canvas {
    width: 700px;
    height: auto; /* Make canvas fill its parent container */
    background-color: #f8fafc;
}

.controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .controls {
        flex-direction: row;
        justify-content: center;
    }
}

.controls button {
    background-color: #3b82f6;
    color: #ffffff;
    font-weight: 700;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition-property: background-color;
    transition-duration: 150ms;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.controls button:hover {
    background-color: #2563eb;
}

.coordinates {
    text-align: center;
}

@media (min-width: 768px) {
    .coordinates {
        text-align: left;
    }
}

.coordinates p {
    font-family: 'Inter', monospace;
    font-size: 0.875rem;
}

.point-left {
    color: #ef4444;
}

.point-right {
    color: #4f46e5;
}

.code-block {
    background-color: #e5e7eb;
    padding: 1rem;
    border-radius: 0.5rem;
    color: #1f2937;
}

.quote-box {
    border: 2px solid #000;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 8px;
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

.definition {
    padding: 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.25rem;
    background-color: #f9fafb;
}

.definition-list-box {
    padding: 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.25rem;
    background-color: #f9fafb;
}

.definition-list-box ol {
    list-style-type: decimal;
    list-style-position: inside;
    padding-left: 1.25rem;
}

.theorem-box {
    padding: 1rem;
    border-left: 4px solid #3b82f6;
    background-color: #eff6ff;
}

.question {
    font-weight: 700;
}

.title-image {
    max-width: 50%;
    height: 30%;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* ... (rest of your existing CSS) ... */

/* New CSS for the car animation container */
.animation-container {
    background-color: #1f2937; /* Dark gray background */
    color: #e5e7eb; /* Light text color */
    padding: 2.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    width: 100%;
    max-width: 36rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.animation-container h3 {
    color: #e5e7eb;
    text-align: center;
    font-size: 1.618rem;
}

.animation-space {
    width: 100%;
    height: auto;
}

.animation-space canvas {
    background-color: #2d3748; /* Slightly lighter dark background for the canvas */
    border-radius: 0.5rem;
}

.animation-container .controls button {
    background-color: #f59e0b; /* Amber-500 */
    color: #1f2937; /* Dark text for contrast */
    font-weight: 700;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition-property: background-color;
    transition-duration: 150ms;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.animation-container .controls button:hover {
    background-color: #d97706; /* Amber-600 */
}

/* ... (rest of your existing CSS) ... */

/* New CSS for the parabola animation container */
.parabola-animation-container {
    background-color: #e2e8f0; /* Lighter background */
    color: #1f2937; /* Dark text */
    padding: 2.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    width: 100%;
    max-width: 36rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.parabola-animation-container h3 {
    color: #1f2937;
    text-align: center;
    font-size: 1.875rem;
}

.parabola-animation-container .animation-space canvas {
    background-color: #f8fafc; /* Even lighter background for the canvas */
    border-radius: 0.5rem;
    border: 1px solid #d1d5db;
}

.parabola-animation-container .controls button {
    background-color: #4f46e5; /* Indigo-500 */
    color: #ffffff;
    font-weight: 700;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition-property: background-color;
    transition-duration: 150ms;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.parabola-animation-container .controls button:hover {
    background-color: #4338ca; /* Indigo-600 */
}

/* ... (rest of your existing CSS) ... */

/* Container for the two animations to be side-by-side */
.dual-animation-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 2rem;
    background-color: #f1f5f9; /* light-slate-100 */
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.animation-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: inset 0 1px 3px 0 rgba(0, 0, 0, 0.1), inset 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.animation-wrapper h3 {
    text-align: center;
    font-family: 'Merriweather', serif;
    font-size: 1.5rem;
    color: #1f2937;
}

.controls-center {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.controls-center button {
    background-color: #10b981; /* Emerald-500 */
    color: #ffffff;
    font-weight: 700;
    padding: 0.75rem 2.5rem;
    border-radius: 9999px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: background-color 150ms ease-in-out;
}

.controls-center button:hover {
    background-color: #059669; /* Emerald-600 */
}

@media (min-width: 768px) {
    .dual-animation-container {
        flex-direction: row;
    }
}

/* --- Custom TikZ Graph Styles --- */
.custom-graph-section {
    margin-top: 2em;
    padding: 20px 0;
}

.custom-graph-box {
    max-width: 500px;
    margin: 0 auto; /* Center the graph box */
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    background-color: #fafafa;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.custom-graph-box canvas {
    width: 100%;
    height: auto; /* Let height adjust to maintain aspect ratio */
    background-color: #fff;
    border-radius: 4px;
}

.graph-container-shit {
    padding: 2rem;
    max-width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.graph-display-shit {
    background-color: #ffffff;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
    width: 100%;
    max-width: 700px;
    aspect-ratio: 4 / 3;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}


        /* --- Main Container --- */
        /* In calc.css */

/* In your CSS file, find and replace these two rules */

.tangent-slope {
    width: 100%;
    max-width: 1200px;
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
    height: auto;
    /* REMOVED the "height: 1200px;" property from here */
}

.tangent-slope canvas {
    width: 100%;
    height: 100%;
    background-color: #f8fafc; /* Lighter background for better contrast */
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
    flex: 1; /* ADDED this line to make the canvas fill available space */
}

/* ========== STYLES FOR TANGENT ANIMATION ========== */

.tangent-animation-container {
    background-color: #ffffff;
    border-radius: 0.75rem; /* 12px */
    border: 1px solid #e5e7eb; /* Cool Gray 200 */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    padding: 2rem; /* 32px */
    margin: 3rem auto; /* More vertical space */
    max-width: 61.8rem;
}

.animation-title {
    font-size: 1.875rem; /* 30px */
    font-weight: 700;
    text-align: center;
    color: #111827; /* Cool Gray 900 */
    margin-bottom: 0.5rem;
}

.animation-subtitle {
    text-align: center;
    color: #6b7280; /* Cool Gray 500 */
    margin-bottom: 2rem; /* More space before the canvas */
    font-size: 1.125rem; /* 18px */
}

#tangentGraphCanvas {
    background-color: #f9fafb; /* Cool Gray 50 */
    border-radius: 0.5rem; /* 8px */
    border: 1px solid #e5e7eb; /* Cool Gray 200 */
}

.animation-controls {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem; /* 24px */
    margin-top: 2rem; /* More space after the canvas */
}

@media (min-width: 768px) {
    .animation-controls {
        grid-template-columns: 1fr 1fr;
    }
}

.control-label {
    display: block;
    font-size: 0.875rem; /* 14px */
    font-weight: 500;
    color: #374151; /* Cool Gray 700 */
}

.value-display {
    font-weight: 700;
    color: #2563eb; /* Blue 600 */
    background-color: #eff6ff; /* Blue 50 */
    padding: 0.125rem 0.5rem;
    border-radius: 0.25rem;
    display: inline-block;
    min-width: 40px;
    text-align: center;
}

.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: #e5e7eb; /* Cool Gray 200 */
    border-radius: 9999px;
    outline: none;
    margin-top: 0.75rem; /* More space for the label */
    transition: background-color 0.2s ease-in-out;
}

.slider:hover {
    background: #d1d5db; /* Cool Gray 300 */
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px; /* Slightly larger */
    height: 22px; /* Slightly larger */
    background: #3b82f6; /* Blue 500 */
    cursor: pointer;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease-in-out;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: #3b82f6;
    cursor: pointer;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease-in-out;
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.1);
}

.slope-display-box {
    grid-column: 1 / -1;
    text-align: center;
    background-color: #f0f9ff; /* Sky 50 */
    padding: 1.25rem; /* More padding */
    border-radius: 0.5rem;
    border: 1px solid #e0f2fe; /* Sky 100 */
}

.slope-text {
    font-size: 1.125rem; /* 18px */
    font-weight: 500;
    color: #0c4a6e; /* Sky 900 */
}

.slope-value {
    font-weight: 700;
    font-size: 1.75rem; /* 28px */
    color: #0369a1; /* Sky 700 */
    margin-left: 0.5rem;
}

/* ========== STYLES FOR INTEGRATION ANIMATION (ENHANCED) ========== */

.integration-animation-container {
    background-color: #ffffff;
    border-radius: 0.75rem; /* 12px */
    border: 1px solid #e5e7eb; /* Cool Gray 200 */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    padding: 2.5rem; /* More padding for a spacious feel */
    margin: 3rem auto;
    max-width: 61.8rem;
}

#integrationCanvas {
    background-color: #f9fafb; /* Cool Gray 50 */
    border-radius: 0.5rem;
    border: 1px solid #e5e7eb;
    width: 100%;
    height: auto;
    margin-bottom: 2rem; /* Space between canvas and controls */
}

.integration-controls {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem; /* Increased gap */
    align-items: center;
}

@media (min-width: 768px) {
    .integration-controls {
        grid-template-columns: 2fr 1fr;
    }
}

.control-item {
    display: flex;
    flex-direction: column;
}

.area-display-box {
    background-color: #f8fafc;
    padding: 1.5rem; /* More padding */
    border-radius: 0.5rem;
    border: 1px solid #f1f5f9;
    text-align: left; /* Align text to the left for a cleaner look */
    display: flex;
    flex-direction: column;
    gap: 1rem; /* Space between the area text lines */
}

.area-text {
    font-size: 1rem;
    font-weight: 500;
    color: #374151;
    margin: 0;
    display: flex;
    justify-content: space-between; /* Align value to the right */
    align-items: center;
}

.area-value {
    font-family: 'Inter', monospace; /* Monospaced font for numbers */
    font-weight: 700;
    font-size: 1.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
}

.rectangle-color {
    color: #c2410c; /* Amber 700 for better contrast */
    background-color: #fff7ed; /* Amber 50 */
}

.exact-color {
    color: #1d4ed8; /* Blue 700 */
    background-color: #eff6ff; /* Blue 50 */
}

/* Re-using slider styles from the tangent animation for consistency */
.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 9999px;
    outline: none;
    margin-top: 0.75rem;
    transition: background-color 0.2s ease-in-out;
}

.slider:hover {
    background: #d1d5db;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: #4f46e5; /* Indigo */
    cursor: pointer;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease-in-out;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: #4f46e5; /* Indigo */
    cursor: pointer;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease-in-out;
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.1);
}

/* Footer Styles */
footer {
    background-color: #060606; /* A light gray background */
    border-top: 1px solid #070707; /* A subtle top border */
    text-align: center; /* Center the text */
    padding: 25px; /* Add space inside the footer */
    margin-top: 50px; /* Add space above the footer to separate it from content */
    font-size: 0.9em; /* Make the font slightly smaller */
    color: #040404; /* A dark gray text color */
}

footer p {
    margin: 5px 0; /* Add a little space between the paragraphs */
    color: #ffffff;
}

footer a {
    color: #007bff; /* A standard blue for links */
    text-decoration: none; /* Remove the underline from links */
}

footer a:hover {
    text-decoration: underline; /* Add underline when hovering over a link */
}