:root {
    --primary-color: #e31837;    /* Yum Brands Red */
    --secondary-color: #2c3e50;
    --background-color: #f8f9fa;
    --text-color: #333;
    --light-gray: #f4f4f4;
    --white: #ffffff;
}

* {
    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 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1000;
}

.mobile-menu-btn .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--primary-color);
    transition: all 0.3s ease-in-out;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.9)),
                url('https://images.unsplash.com/photo-1504384764586-bb4cdc1707b0?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 8rem 0 4rem;
    margin-top: 60px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Features Section */
.features {
    padding: 4rem 0;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    margin-top: 1rem;
}

.btn:hover {
    background-color: #c41530;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
}

/* Proxy Guide, GraphQL Monitor, and GraphQL Defrag Pages */
.proxy-guide,
.graphql-monitor,
.graphql-defrag {
    padding: 8rem 0 4rem;
}

.proxy-guide h1,
.graphql-monitor h1,
.tool-title {
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 700;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tool-description {
    max-width: 800px;
    margin: 0 auto 2rem;
    color: var(--secondary-color);
}

.tool-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 992px) {
    .tool-container {
        flex-direction: row;
        align-items: stretch;
    }
}

.input-column,
.output-column {
    flex: 1;
    min-width: 0;
}

@media (min-width: 992px) {
    .input-column,
    .output-column {
        max-width: 45%;
    }
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.input-label,
.output-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--secondary-color);
}

.input-label i,
.output-label i,
.info-title i,
.info-list i {
    margin-right: 0.5rem;
}

.sample-button,
.copy-btn {
    font-size: 0.75rem;
    background-color: #e2e8f0;
    color: var(--secondary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.sample-button:hover,
.copy-btn:hover {
    background-color: #cbd5e1;
}

.action-column {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem 0;
}

@media (min-width: 992px) {
    .action-column {
        justify-content: center;
        align-items: flex-start;
        padding-top: 2.5rem;
    }
}

.defrag-button {
    background-color: var(--primary-color);
    color: white;
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.defrag-button:hover {
    background-color: #c41530;
    transform: scale(1.05);
}

.defrag-button i {
    margin-right: 0.5rem;
}

.info-section {
    background-color: #f1f5f9;
    border-radius: 0.5rem;
    padding: 1rem;
    max-width: 1000px;
    margin: 2rem auto 0;
    border: 1px solid #e2e8f0;
}

.info-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.info-list {
    color: var(--secondary-color);
    font-size: 0.875rem;
    list-style: none;
}

.info-list li {
    margin-bottom: 0.5rem;
}

.info-list i {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .proxy-guide h1,
    .graphql-monitor h1,
    .tool-title {
        padding-left: 1rem;
    }

    .proxy-guide .guide-section,
    .graphql-monitor .guide-section,
    .graphql-defrag .tool-container,
    .graphql-defrag .info-section {
        margin-left: 1rem;
        margin-right: 1rem;
    }
}

/* Proxy Guide Page Specific Styles */
.proxy-guide {
    padding: 8rem 0 4rem;
}

.guide-section {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.guide-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style-position: inside;
    margin-left: 1rem;
}

.feature-list li {
    margin-bottom: 0.5rem;
}

pre {
    background: var(--light-gray);
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    margin: 1rem 0;
}

code {
    font-family: 'Courier New', Courier, monospace;
}

/* GraphQL Monitor Page Specific Styles */
.graphql-monitor {
    padding: 8rem 0 4rem;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.step h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.benefit-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

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

.benefit-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .workflow-steps,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .step,
    .benefit-card {
        padding: 1rem;
    }
    
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        background-color: var(--white);
        padding: 20px 0;
        transition: 0.3s;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 10px 0;
        text-align: center;
    }

    .mobile-menu-btn.active .bar:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .mobile-menu-btn.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}