:root {
    --primary: #f0c03d; /* Golden yellow */
    --secondary: #000000; /* Black */
    --background: #FFFFFF; /* White */
    --text: #333333; /* Dark gray for text */
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --dark-gray: #777;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

/* Header Styles */
header {
    background-color: var(--secondary);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0;
}

.logo-icon {
    color: var(--primary);
    font-size: 1.8rem;
}

.logo-text {
    color: var(--background);
    font-size: 1.5rem;
    font-weight: bold;
}

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

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: var(--background);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    position: relative;
}

nav ul li a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary);
    transition: var(--transition);
}

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

nav ul li a:hover:after {
    width: 100%;
}

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

nav ul li a.active:after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--background);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(to right, var(--secondary), #222);
    color: var(--background);
    padding: 5rem 0;
    text-align: center;
}

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

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: var(--primary);
    color: var(--secondary);
    padding: 0.8rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
    border: 2px solid var(--primary);
    margin: 0.5rem;
    cursor: pointer;
}

.cta-button:hover {
    background-color: transparent;
    color: var(--primary);
}

.cta-button.secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.cta-button.secondary:hover {
    background-color: var(--primary);
    color: var(--secondary);
}

/* Features Section */
.features {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.2rem;
    color: var(--secondary);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title h2:after {
    content: '';
    position: absolute;
    width: 50%;
    height: 3px;
    background-color: var(--primary);
    bottom: -10px;
    left: 25%;
}

.section-title p {
    color: var(--dark-gray);
    max-width: 600px;
    margin: 1rem auto 0;
}

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

.feature-card {
    background-color: var(--background);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--medium-gray);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    background-color: var(--primary);
    color: var(--secondary);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
}

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

/* App Info Section */
.app-info {
    background-color: var(--light-gray);
    padding: 5rem 0;
}

.info-content {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
}

.info-text {
    flex: 1;
    min-width: 300px;
}

.info-text h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.info-image {
    flex: 1;
    min-width: 100px;
    max-width: 200px;
    text-align: center;
    position: relative;
}

.info-image img {
    max-width: 90%;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.app-badges {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.badge {
    max-width: 150px;
    border-radius: 10px;
    transition: var(--transition);
}

.badge:hover {
    transform: scale(1.05);
}

/* Testimonials */
.testimonials {
    padding: 5rem 0;
}

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

.testimonial-card {
    background-color: var(--background);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--medium-gray);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    position: relative;
    padding: 0 1rem;
}

.testimonial-text:before,
.testimonial-text:after {
    content: '"';
    font-size: 3rem;
    color: var(--primary);
    opacity: 0.3;
    position: absolute;
}

.testimonial-text:before {
    top: -1rem;
    left: -0.5rem;
}

.testimonial-text:after {
    bottom: -2rem;
    right: -0.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-weight: bold;
    color: var(--secondary);
}

/* FAQ Section */
.faq {
    background-color: var(--light-gray);
    padding: 5rem 0;
}

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

.accordion-item {
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--medium-gray);
}

.accordion-header {
    background-color: var(--background);
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.accordion-header i {
    transition: var(--transition);
}

.accordion-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
    background-color: var(--background);
}

.accordion-content.active {
    padding: 1.5rem;
    max-height: 300px;
}

.accordion-header.active i {
    transform: rotate(180deg);
}

/* Form Styles */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--background);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--medium-gray);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--secondary);
}

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--medium-gray);
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.select-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--medium-gray);
    border-radius: 5px;
    font-size: 1rem;
    background-color: var(--background);
    cursor: pointer;
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.checkbox-group input {
    margin-right: 0.5rem;
}

.form-message {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    display: none;
}

.form-message.success {
    background-color: rgba(76, 175, 80, 0.1);
    border: 1px solid #4CAF50;
    color: #2E7D32;
    display: block;
}

.form-message.error {
    background-color: rgba(244, 67, 54, 0.1);
    border: 1px solid #F44336;
    color: #C62828;
    display: block;
}

/* Footer */
footer {
    background-color: var(--secondary);
    color: var(--background);
    padding: 3rem 0 1rem;
    margin-top: auto;
}

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

.footer-column h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

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

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column ul li a {
    color: var(--background);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 215, 0, 0.1);
    color: var(--primary);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary);
    color: var(--secondary);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    font-size: 0.9rem;
    color: #aaa;
}

/* Page Content Styles */
.page-content {
    padding: 4rem 0;
    min-height: 60vh;
}

.page-content h1 {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.page-content h1:after {
    content: '';
    position: absolute;
    width: 100px;
    height: 3px;
    background-color: var(--primary);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.page-content h2 {
    font-size: 1.8rem;
    color: var(--secondary);
    margin: 2rem 0 1rem;
}

.page-content h3 {
    font-size: 1.4rem;
    color: var(--secondary);
    margin: 1.5rem 0 0.5rem;
}

.page-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.page-content ul, .page-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.page-content li {
    margin-bottom: 0.5rem;
}

.content-block {
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary);
}

.highlight {
    background-color: rgba(255, 215, 0, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
}

/* Bug Report Specific */
.bug-priority {
    display: inline-block;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-right: 0.5rem;
}

.priority-critical {
    background-color: #F44336;
    color: white;
}

.priority-high {
    background-color: #FF9800;
    color: white;
}

.priority-medium {
    background-color: #FFD700;
    color: var(--secondary);
}

.priority-low {
    background-color: #4CAF50;
    color: white;
}

.bug-list {
    list-style: none;
    padding: 0;
}

.bug-item {
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--medium-gray);
}

.bug-item.resolved {
    border-left-color: #4CAF50;
    opacity: 0.8;
}

.bug-item.in-progress {
    border-left-color: #FF9800;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    nav {
        position: fixed;
        top: 64px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 64px);
        background-color: var(--secondary);
        transition: left 0.3s;
        padding: 2rem;
    }
    
    nav.active {
        left: 0;
    }
    
    nav ul {
        flex-direction: column;
    }
    
    nav ul li {
        margin: 1rem 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .info-content {
        flex-direction: column;
    }
    
    .app-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .form-container {
        padding: 1.5rem;
    }
}

/* User Guide Specific Styles */
.guide-section {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--medium-gray);
}

.guide-section:last-of-type {
    border-bottom: none;
}

.guide-section h2 {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary);
}

.guide-section h3 {
    font-size: 1.4rem;
    color: var(--secondary);
    margin: 1.5rem 0 1rem;
}

.guide-section h4 {
    font-size: 1.1rem;
    color: var(--secondary);
    margin: 1rem 0 0.5rem;
}

.quick-nav {
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    border-left: 4px solid var(--primary);
}

.quick-nav h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.quick-nav ul {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.5rem;
    list-style: none;
    padding-left: 0;
}

.quick-nav ul li {
    margin-bottom: 0.5rem;
}

.quick-nav ul li a {
    color: var(--secondary);
    text-decoration: none;
    padding: 0.5rem 0.8rem;
    background-color: var(--background);
    border-radius: 4px;
    display: block;
    transition: var(--transition);
    border: 1px solid var(--medium-gray);
}

.quick-nav ul li a:hover {
    background-color: var(--primary);
    color: var(--secondary);
    border-color: var(--primary);
}

.step-list {
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
    border-left: 3px solid var(--primary);
}

.step-list li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.step-list li:last-child {
    margin-bottom: 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.feature-box {
    background-color: var(--background);
    border: 1px solid var(--medium-gray);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.feature-box h4 {
    margin-top: 0;
    color: var(--secondary);
    border-bottom: 2px solid var(--primary);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.tip-box, .warning-box, .info-box {
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    border-left: 4px solid;
}

.tip-box {
    background-color: rgba(255, 215, 0, 0.1);
    border-left-color: var(--primary);
}

.tip-box h4 {
    color: var(--secondary);
    margin-top: 0;
}

.warning-box {
    background-color: rgba(244, 67, 54, 0.1);
    border-left-color: #F44336;
}

.warning-box h4 {
    color: #C62828;
    margin-top: 0;
}

.info-box {
    background-color: rgba(33, 150, 243, 0.1);
    border-left-color: #2196F3;
}

.info-box h4 {
    color: #1565C0;
    margin-top: 0;
}

.guide-section ul:not(.quick-nav ul) {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.guide-section ul li {
    margin-bottom: 0.5rem;
}

.guide-section p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* Responsive adjustments for user guide */
@media (max-width: 768px) {
    .quick-nav ul {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .guide-section h2 {
        font-size: 1.6rem;
    }
    
    .guide-section h3 {
        font-size: 1.3rem;
    }
}

/* Logo wrapper */
.logo {
    display: flex;
    align-items: center;
}

/* Logo image constraints */
.logo-icon img {
    height: 36px;        /* primary control */
    max-height: 36px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

/* Optional: responsive scaling */
@media (max-width: 768px) {
    .logo-icon img {
        height: 30px;
        max-height: 30px;
    }
}