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

:root {
    --primary-color: #000000;
    --secondary-color: #333333;
    --accent-color: #ff3b30;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --dark-gray: #666666;
    --white: #ffffff;
    --text-primary: #000000;
    --text-secondary: #666666;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--medium-gray);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 32px;
    height: 32px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

.nav-menu a:hover,
.nav-menu a:focus {
    color: var(--accent-color);
}

.donate-link {
    background: var(--accent-color);
    color: var(--white) !important;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.donate-link:hover {
    background: #e0281f;
    color: var(--white) !important;
}

/* Hero Section */
.hero {
    padding: 120px 20px 80px;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    padding-left: 20px;
}

.hero-icon {
    margin-bottom: 30px;
}

.hero-svg {
    width: 80px;
    height: 80px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.5;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.feature-icon {
    font-size: 18px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: #e0281f;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--medium-gray);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.hero-image {
    text-align: center;
}

.hero-screenshot {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Common Section Styles */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
}

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

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--medium-gray);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon-large {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    background: var(--light-gray);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.screenshot-item {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.screenshot-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.screenshot-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: top center; /* Shows the top of the image */
}

.screenshot-item h3 {
    padding: 20px 20px 10px;
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
}

.screenshot-item p {
    padding: 0 20px 20px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: var(--white);
}

.download-content {
    text-align: center;
}

.download-card {
    background: var(--light-gray);
    border-radius: var(--border-radius-lg);
    padding: 60px;
    margin: 40px 0;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
    box-shadow: var(--shadow);
}

.download-info {
    text-align: left;
}

.download-info h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.download-features {
    list-style: none;
    padding: 0;
}

.download-features li {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 16px;
}

.download-button {
    text-align: center;
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
    min-width: 200px;
}

.download-icon {
    font-size: 20px;
    margin-right: 10px;
}

.download-note {
    margin-top: 15px;
    font-size: 14px;
    color: var(--text-secondary);
}

.older-versions {
    margin-top: 40px;
}

/* Requirements Section */
.requirements {
    padding: 80px 0;
    background: var(--light-gray);
}

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

.requirement-item {
    text-align: center;
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.requirement-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.requirement-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0 30px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-icon {
    width: 32px;
    height: 32px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    color: var(--medium-gray);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-copyright {
    margin-top: 30px;
}

.footer-copyright p {
    color: var(--dark-gray);
    font-size: 14px;
}

/* Support Pages Styles */
.hero-small {
    padding: 100px 20px 60px;
    min-height: auto;
}

/* Support Options */
.support-options {
    padding: 80px 0;
    background: var(--white);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.support-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--medium-gray);
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.support-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.support-icon-large {
    font-size: 48px;
    margin-bottom: 20px;
}

.support-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.support-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Troubleshooting */
.troubleshooting {
    padding: 100px 0;
    background: var(--light-gray);
}

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

.faq-item {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-item h3 {
    padding: 20px 30px;
    margin: 0;
    background: var(--primary-color);
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    font-size: 18px;
    font-weight: 600;
}

.faq-item h3:hover {
    background: #333;
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px 30px;
    max-height: 500px;
}

.faq-answer ul {
    margin: 15px 0;
    padding-left: 20px;
}

.faq-answer li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-content {
    display: flex;
    justify-content: center;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-method {
    background: var(--light-gray);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon-large {
    font-size: 48px;
    margin-bottom: 15px;
}

.contact-method h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.contact-method p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.contact-form {
    background: var(--light-gray);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    max-width: 800px;
    width: 100%;
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 59, 48, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Terms and Conditions & License Section */
.legal-documents {
    padding: 100px 0;
}

#terms {
    background: var(--white);
}

#license {
    background: var(--light-gray);
}

.legal-scroll-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--light-gray);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    max-height: 600px;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Custom scrollbar styling */
.legal-scroll-container::-webkit-scrollbar {
    width: 10px;
}

.legal-scroll-container::-webkit-scrollbar-track {
    background: var(--medium-gray);
    border-radius: 5px;
}

.legal-scroll-container::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 5px;
}

.legal-scroll-container::-webkit-scrollbar-thumb:hover {
    background: #e0281f;
}

.legal-content {
    padding: 20px;
}

.legal-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--medium-gray);
}

.legal-section:last-child {
    border-bottom: none;
}

.legal-section h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.legal-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.legal-section ul {
    margin: 12px 0;
    padding-left: 25px;
}

.legal-section li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 6px;
}

/* Feedback Section */
.feedback {
    padding: 100px 0;
    background: var(--light-gray);
}

.feedback-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
}

.feedback-stats {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.stat-item {
    text-align: center;
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.stat-icon {
    font-size: 32px;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.feedback-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feedback-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
}

.feedback-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feedback-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.rating-stars {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

.star {
    font-size: 24px;
    color: var(--medium-gray);
    cursor: pointer;
    transition: var(--transition);
}

.star.active,
.star:hover {
    color: #ffc107;
}

/* Download Page Styles */
.download-section {
    padding: 100px 0;
    background: var(--white);
}

.current-version .version-card {
    background: var(--light-gray);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-bottom: 60px;
    box-shadow: var(--shadow);
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
}

.version-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.version-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-secondary);
}

.version-badge {
    background: var(--accent-color);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
}

.version-features h4,
.version-requirements h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.version-features ul,
.version-requirements ul {
    list-style: none;
    padding: 0;
}

.version-features li,
.version-requirements li {
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.version-features li:before {
    content: "✓";
    color: var(--accent-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.download-meta {
    margin-top: 10px;
}

.checksum {
    font-family: monospace;
    font-size: 14px;
    color: var(--text-secondary);
}

/* Installation Steps */
.installation {
    padding: 80px 0;
    background: var(--light-gray);
}

.installation-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 50px;
    max-width: 950px;
    margin: 0 auto;
    position: relative;
}

.step {
    background: var(--white);
    padding: 20px 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    width: 260px;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.step-arrow {
    position: absolute;
    font-size: 24px;
    color: var(--accent-color);
    font-weight: bold;
    z-index: 10;
}

.step-arrow.right {
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
}

.step-arrow.down {
    bottom: -40px;
    right: 50%;
    transform: translateX(50%);
}

.step-arrow.left {
    left: -40px;
    top: 50%;
    transform: translateY(-50%);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    margin: 0 auto 12px;
}

.step-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

/* Older Versions */
.older-versions {
    padding: 100px 0;
    background: var(--white);
}

.versions-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.versions-list .version-card {
    background: var(--light-gray);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow);
}

.versions-list .version-header {
    margin-bottom: 20px;
}

.versions-list .version-info h3 {
    font-size: 24px;
    margin-bottom: 5px;
}

.versions-list .version-meta {
    gap: 15px;
}

/* Release Notes */
.release-notes {
    padding: 100px 0;
    background: var(--light-gray);
}

.release-note-item {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
}

.release-note-item h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.release-note-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin: 25px 0 15px;
}

.release-note-item ul {
    margin: 15px 0;
    padding-left: 20px;
}

.release-note-item li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

/* Donation Page Styles */
.donation-options {
    padding: 100px 0;
    background: var(--white);
}

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

.donation-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    border: 2px solid var(--medium-gray);
}

.donation-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.donation-card.featured {
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.donation-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.donation-header {
    margin-bottom: 25px;
}

.donation-icon {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.donation-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.donation-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-color);
}

.donation-description {
    margin-bottom: 30px;    
}

.donation-description ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    text-align: left;
    min-height: 170px;
}

.donation-description li {
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.donation-description li:before {
    content: "✓";
    color: var(--accent-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Impact Section */
.impact {
    padding: 100px 0;
    background: var(--light-gray);
}

.impact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.impact-story h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.impact-story p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.impact-story ul {
    margin: 20px 0;
    padding-left: 20px;
}

.impact-story li {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background: var(--white);
}

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

.testimonial-card {
    background: var(--light-gray);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.6;
    min-height: 100px;
}

.testimonial-author {
    border-top: 1px solid var(--medium-gray);
    padding-top: 15px;
}

.author-name {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.author-title {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Help Ways */
.help-ways {
    padding: 100px 0;
    background: var(--light-gray);
}

.help-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.help-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.help-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.help-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.help-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.help-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    min-width: 300px;
    max-width: 500px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--accent-color);
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification-content {
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notification-message {
    flex: 1;
    color: var(--text-primary);
}

.notification-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    margin-left: 16px;
}

.notification.success {
    border-left-color: #28a745;
}

.notification.error {
    border-left-color: #dc3545;
}

/* Text Center Utility */
.text-center {
    text-align: center;
}

/* Carousel Styles */
.carousel {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.carousel-inner {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    object-fit: cover;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--medium-gray);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--accent-color);
}

.dot:hover {
    background: var(--accent-color);
    transform: scale(1.2);
}

/* Bootstrap Icons Integration */
.feature-icon, .download-icon {
    font-size: 18px;
    color: var(--accent-color);
}

.feature-icon-large {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.version-features li i, .download-features li i {
    margin-right: 8px;
    color: var(--accent-color);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-content {
        padding-left: 0;
    }

    .hero-features {
        grid-template-columns: 1fr;
    }

    .carousel-inner {
        height: 300px;
    }

    .carousel-dots {
        margin-top: 15px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .nav-menu {
        display: none; /* Mobile menu would need JavaScript */
    }

    .download-card {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .download-info {
        text-align: center;
    }

    .section-title {
        font-size: 28px;
    }

    .hero-title {
        font-size: 36px;
    }

    .features-grid,
    .screenshots-grid,
    .requirements-grid {
        grid-template-columns: 1fr;
    }

    .feedback-content,
    .impact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .donation-grid {
        grid-template-columns: 1fr;
    }

    .donation-card.featured {
        transform: none;
        order: -1;
    }

    .installation-steps {
        justify-content: center;
    }

    .step {
        width: 100%;
        max-width: 300px;
    }

    .step-arrow.right {
        display: none;
    }

    .step-arrow.down {
        display: block;
    }

    .step-arrow.left {
        display: none;
    }

    .impact-stats {
        grid-template-columns: 1fr;
    }

    .notification {
        left: 20px;
        right: 20px;
        min-width: auto;
    }
}

/* Scroll animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}