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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #0056b3;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background-color: #007bff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
    color: white;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #545b62;
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: #007bff;
    border: 2px solid #007bff;
}

.btn-outline:hover {
    background-color: #007bff;
    color: white;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-icon {
    background: none;
    border: none;
    color: #6c757d;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background-color: #f8f9fa;
    color: #007bff;
}

/* Navigation */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #007bff;
}

.nav-brand i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: #333;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #007bff;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #007bff;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5rem 0;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Calculator Preview in Hero */
.calculator-preview {
    background-color: #f8f9fa;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

.calculator-preview:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.calc-display {
    background-color: #000;
    color: #00ff00;
    padding: 1rem;
    text-align: right;
    font-size: 1.5rem;
    font-family: 'Courier New', monospace;
    border-radius: 8px 8px 0 0;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.calc-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background-color: #ddd;
    border-radius: 0 0 8px 8px;
}

.calc-row {
    display: contents;
}

.calc-btn {
    background-color: #e9ecef;
    border: none;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #333;
}

.calc-btn:hover {
    background-color: #dee2e6;
    transform: scale(0.95);
}

.calc-btn.operator {
    background-color: #007bff;
    color: white;
}

.calc-btn.operator:hover {
    background-color: #0056b3;
}

.calc-btn.equals {
    background-color: #28a745;
}

.calc-btn.equals:hover {
    background-color: #1e7e34;
}

.calc-btn.zero {
    grid-column: span 2;
}

/* Page Hero */
.page-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0 2rem;
    text-align: center;
}

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

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

/* Sections */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: #f8f9fa;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    padding: 5rem 0;
}

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

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #007bff;
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.step h3 {
    margin-bottom: 1rem;
    color: #333;
}

.step p {
    color: #666;
}

/* SEO Content */
.seo-content {
    padding: 5rem 0;
    background-color: #f8f9fa;
}

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

.seo-content h2,
.seo-content h3,
.seo-content h4 {
    color: #333;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.seo-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

/* Footer */
.footer {
    background-color: #333;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    margin-bottom: 1rem;
    color: #007bff;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #007bff;
}

.footer-brand i {
    font-size: 1.8rem;
}

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

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

.footer-section a {
    color: #ccc;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #007bff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: #ccc;
}

/* Tutorial Styles */
.tutorial-section {
    padding: 3rem 0;
}

.tutorial-steps {
    max-width: 1000px;
    margin: 0 auto;
}

.tutorial-step {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.tutorial-step .step-number {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 1rem;
    border-radius: 12px;
    height: fit-content;
}

.tutorial-step .step-number i {
    font-size: 1.5rem;
}

.tutorial-step .step-number span {
    font-size: 1.2rem;
    font-weight: bold;
}

.step-content h2 {
    color: #333;
    margin-bottom: 1rem;
}

.step-image {
    margin: 2rem 0;
}

.mock-screenshot {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    overflow: hidden;
    max-width: 600px;
}

.mock-header {
    background: #007bff;
    color: white;
    padding: 0.5rem 1rem;
    text-align: center;
    font-weight: 500;
}

.mock-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: 200px;
}

.mock-left-panel,
.mock-right-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-weight: 500;
}

.mock-left-panel {
    background: #e9ecef;
    border-right: 1px solid #dee2e6;
}

.mock-right-panel {
    background: #f8f9fa;
}

.step-tips {
    background: #e8f4fd;
    border: 1px solid #b8daff;
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.step-tips h4 {
    color: #004085;
    margin-bottom: 1rem;
}

.step-tips ul {
    margin-left: 1rem;
}

.step-tips li {
    margin-bottom: 0.5rem;
    color: #004085;
}

.customization-options,
.preview-features {
    margin: 2rem 0;
}

.option-group,
.feature-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.option-group h3,
.feature-item h4 {
    color: #333;
    margin-bottom: 1rem;
}

.option-group ul,
.feature-item ul {
    margin-left: 1rem;
}

.code-formats {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.format-option {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #007bff;
}

.format-option h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

.code-example {
    background: #343a40;
    color: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    margin-top: 1rem;
    overflow-x: auto;
}

.platform-guides {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.platform-guide {
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.platform-guide h4 {
    color: #333;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.platform-guide ol {
    margin-left: 1rem;
}

.platform-guide li {
    margin-bottom: 0.5rem;
    color: #666;
}

/* FAQ Styles */
.faq-section {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

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

.faq-item {
    background: white;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    background: white;
    border: none;
    width: 100%;
    text-align: left;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f8f9fa;
}

.faq-question h3 {
    margin: 0;
    color: #333;
    font-weight: 600;
}

.faq-question i {
    color: #007bff;
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: #f8f9fa;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    margin: 0;
    color: #666;
    line-height: 1.6;
}

/* About Page Styles */
.about-content {
    padding: 3rem 0;
}

.content-section {
    max-width: 1000px;
    margin: 0 auto 4rem;
    padding: 0 1rem;
}

.content-section h2 {
    color: #333;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mission-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.audience-card {
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.audience-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.audience-card h3 {
    color: #333;
    margin-bottom: 1rem;
}

.audience-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.audience-card ul {
    margin-left: 1rem;
}

.audience-card li {
    color: #666;
    margin-bottom: 0.5rem;
}

.benefits-list {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.benefit-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.benefit-item i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    font-size: 1.2rem;
}

.benefit-content h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.benefit-content p {
    color: #666;
    line-height: 1.6;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.tech-item {
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.tech-item h3 {
    color: #333;
    margin-bottom: 1rem;
}

.tech-item ul {
    margin-left: 1rem;
}

.tech-item li {
    color: #666;
    margin-bottom: 0.5rem;
}

.roadmap {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.roadmap-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.roadmap-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    border-radius: 50%;
    font-size: 1.2rem;
}

.roadmap-content h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.roadmap-content p {
    color: #666;
    line-height: 1.6;
}

.contact-info {
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-method {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 1rem;
    align-items: center;
}

.contact-method i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #007bff;
    color: white;
    border-radius: 50%;
    font-size: 1rem;
}

.contact-method h4 {
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-method p {
    color: #666;
    margin: 0;
}

/* Contact Page Styles */
.contact-section {
    padding: 3rem 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.form-header h2 {
    color: #333;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-header p {
    color: #666;
    margin-bottom: 2rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
}

.form-group small {
    color: #666;
    font-size: 0.9rem;
    margin-top: 0.25rem;
    display: block;
}

.form-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-info-section {
    padding: 2rem 0;
}

.info-header h2 {
    color: #333;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.response-info,
.guidelines-section {
    max-width: 1000px;
    margin: 4rem auto;
    padding: 0 1rem;
}

.response-info h2,
.guidelines-section h2 {
    color: #333;
    text-align: center;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.response-grid,
.guidelines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.response-item,
.guideline-item {
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.response-item i {
    display: block;
    font-size: 2rem;
    color: #007bff;
    margin-bottom: 1rem;
}

.response-item h3,
.guideline-item h3 {
    color: #333;
    margin-bottom: 1rem;
}

.response-item p {
    color: #666;
    margin: 0;
}

.guideline-item {
    text-align: left;
}

.guideline-item ul {
    margin-left: 1rem;
}

.guideline-item li {
    color: #666;
    margin-bottom: 0.5rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    margin: auto;
    padding: 0;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.modal-header h3 {
    margin: 0;
    color: #28a745;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background-color: #f8f9fa;
    color: #333;
}

.modal-body {
    padding: 1.5rem;
}

.modal-body p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.modal-actions {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

/* Success Popup */
.success-popup {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #28a745;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(40, 167, 69, 0.3);
    display: none;
    align-items: center;
    gap: 0.5rem;
    z-index: 2000;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .tutorial-step {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .tutorial-step .step-number {
        margin: 0 auto;
        width: fit-content;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn {
        text-align: center;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .feature-card,
    .step,
    .tutorial-step {
        padding: 1.5rem;
    }

    .audience-card,
    .benefit-item,
    .roadmap-item {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}