/* Base styles */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --background-color: #fff;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --info-color: #3498db;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

p {
    margin-bottom: 1.5rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-color);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-weight: 500;
}

.btn:hover {
    background-color: #2980b9;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

.section {
    padding: 60px 0;
    border-bottom: 1px solid #eee;
}

/* Header styles */
header {
    background-color: var(--dark-color);
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
    color: white;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    font-weight: 500;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* Hero section */
.hero {
    background-color: var(--primary-color);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: white;
}

.stats-highlight {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-top: 40px;
}

.stat {
    text-align: center;
    padding: 20px;
    width: 30%;
    min-width: 200px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    margin-bottom: 20px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-text {
    font-size: 1rem;
}

/* Introduction section */
.introduction {
    background-color: var(--light-color);
    padding: 40px 0;
}

.lead {
    font-size: 1.2rem;
    line-height: 1.8;
}

/* Challenges section */
.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.challenge-card {
    background-color: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.challenge-card:hover {
    transform: translateY(-5px);
}

.challenge-card .icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.challenge-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

/* Interactive elements */
.interactive-element {
    background-color: var(--light-color);
    border-radius: 8px;
    padding: 30px;
    margin: 40px 0;
}

.interactive-element h3 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

.checkbox-group, .radio-group {
    margin-bottom: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.results-container {
    margin-top: 20px;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    display: none;
}

/* Productivity section */
.question {
    margin-bottom: 25px;
}

/* Time blocking section */
.strategy-list {
    margin: 40px 0;
}

.strategy-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.strategy-item .number {
    background-color: var(--primary-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: 20px;
    flex-shrink: 0;
}

.strategy-item .content {
    flex-grow: 1;
}

.strategy-item h3 {
    margin-bottom: 5px;
}

.time-block-container {
    overflow-x: auto;
}

.time-block-grid {
    display: grid;
    grid-template-columns: 100px repeat(7, 1fr);
    gap: 2px;
    margin-bottom: 20px;
}

.time-header, .day-header {
    background-color: var(--dark-color);
    color: white;
    padding: 10px;
    text-align: center;
    font-weight: 500;
}

.time-slot {
    background-color: var(--dark-color);
    color: white;
    padding: 10px;
    text-align: right;
    font-weight: 500;
}

.block {
    background-color: #f5f5f5;
    height: 50px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.block:hover {
    background-color: #e0e0e0;
}

.block-types {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.block-type {
    display: flex;
    align-items: center;
    margin: 5px 10px;
}

.color-sample {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin-right: 8px;
}

.work {
    background-color: #3498db;
}

.study {
    background-color: #2ecc71;
}

.application {
    background-color: #9b59b6;
}

.buffer {
    background-color: #f39c12;
}

.rest {
    background-color: #e74c3c;
}

/* Tools section */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.tool-card {
    background-color: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

.tool-card:hover {
    transform: translateY(-5px);
}

.tool-card .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.tool-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

/* Support section */
.support-strategies {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.support-strategy {
    background-color: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.support-strategy h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Crisis section */
.crisis-strategies {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.crisis-strategy {
    background-color: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.crisis-strategy .icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.crisis-strategy h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.decision-tree-container {
    margin-top: 30px;
}

.decision-node, .decision-result {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.decision-node p, .decision-result p {
    margin-bottom: 15px;
}

.options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Progress section */
.progress-strategies {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.progress-strategy {
    background-color: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.progress-strategy .icon {
    font-size: 2.5rem;
    color: var(--success-color);
    margin-bottom: 15px;
}

.progress-strategy h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.module-progress {
    margin-bottom: 30px;
}

.module {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.module label {
    width: 100px;
    font-weight: 500;
}

.module input[type="range"] {
    flex-grow: 1;
    margin: 0 15px;
}

.progress-value {
    width: 50px;
    text-align: right;
}

.overall-progress {
    display: flex;
    align-items: center;
    margin-top: 20px;
}

.overall-progress label {
    width: 100px;
    font-weight: 500;
}

.progress-bar {
    flex-grow: 1;
    height: 20px;
    background-color: #f5f5f5;
    border-radius: 10px;
    overflow: hidden;
    margin: 0 15px;
}

.progress-fill {
    height: 100%;
    background-color: var(--success-color);
    transition: width 0.3s ease;
}

.application-tracker {
    margin-top: 40px;
}

.application-entry {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.application-entry input[type="text"] {
    flex-grow: 1;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.application-entry input[type="date"] {
    width: 150px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.application-list {
    margin-top: 20px;
}

/* References section */
.references-list {
    padding-left: 20px;
    margin-top: 20px;
}

.references-list li {
    margin-bottom: 15px;
}

/* Footer styles */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h2 {
    color: white;
    margin-bottom: 15px;
}

.footer-links h3, .footer-contact h3 {
    color: white;
    margin-bottom: 20px;
}

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

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #bdc3c7;
}

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

.footer-contact p {
    margin-bottom: 10px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Assignment Help Section */
.assignment-help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.help-card {
    background-color: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

.help-card:hover {
    transform: translateY(-5px);
}

.help-card .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.help-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.assignment-help-cta {
    background-color: var(--light-color);
    border-radius: 8px;
    padding: 30px;
    margin: 40px 0;
    text-align: center;
}

.assignment-help-cta h3 {
    color: var(--dark-color);
    margin-bottom: 15px;
}

.assignment-help-cta p {
    margin-bottom: 25px;
}

/* FAQ Section */
.faq-item {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.faq-item ol, .faq-item ul {
    padding-left: 20px;
    margin-bottom: 15px;
}

.faq-item li {
    margin-bottom: 10px;
}

/* CTA Section */
.cta-section {
    background-color: var(--light-color);
    text-align: center;
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.cta-card {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.cta-card:hover {
    transform: translateY(-5px);
}

.cta-card .icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.cta-card h3 {
    margin-bottom: 15px;
}

.cta-card p {
    margin-bottom: 25px;
}

/* Responsive styles */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
    }
    
    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .stat {
        width: 100%;
    }
    
    .strategy-item {
        flex-direction: column;
    }
    
    .strategy-item .number {
        margin-bottom: 15px;
    }
    
    .application-entry {
        flex-direction: column;
    }
}