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

:root {
    --primary-color: #F37022;
    --secondary-color: #004E89;
    --text-color: #1A1A1A;
    --text-light: #666;
    --bg-color: #FFFFFF;
    --bg-light: #F7F9FC;
    --border-color: #E0E0E0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-color);
}

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

/* Header and Navigation */
header {
    background: var(--bg-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.big-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 6rem 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero .tagline {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    opacity: 0.95;
}

.hero .description {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 5rem 2rem;
}

section:nth-child(even) {
    background: var(--bg-light);
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

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

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--secondary-color);
    margin-bottom: 0.75rem;
}

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

/* Guide Section */
.guide-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.guide-section h3 {
    color: var(--secondary-color);
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.guide-section ol, .guide-section ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

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

.info-box {
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    padding: 1.25rem;
    margin: 1.5rem 0;
    border-radius: 6px;
}

.info-box strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.info-box ul {
    list-style-position: inside;
}

.examples {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0;
}

.example {
    background: var(--bg-light);
    padding: 1rem;
    border-radius: 6px;
    border-left: 4px solid var(--primary-color);
}

pre {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin-top: 0.5rem;
}

code {
    background: var(--bg-light);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

pre code {
    background: transparent;
    padding: 0;
}

kbd {
    background: linear-gradient(180deg, #f7f7f7 0%, #e8e8e8 100%);
    border: 1px solid #ccc;
    border-radius: 4px;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.1), 0 0 0 2px #fff inset;
    color: #333;
    display: inline-block;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.85em;
    line-height: 1.4;
    margin: 0 0.1em;
    padding: 0.2em 0.5em;
    text-shadow: 0 1px 0 #fff;
    white-space: nowrap;
}

/* Shortcuts Section */
.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.shortcut-category {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.shortcut-category h3 {
    color: var(--secondary-color);
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.shortcuts-table {
    width: 100%;
    border-collapse: collapse;
}

.shortcuts-table tr {
    border-bottom: 1px solid var(--border-color);
}

.shortcuts-table tr:last-child {
    border-bottom: none;
}

.shortcuts-table td {
    padding: 0.875rem 0.5rem;
}

.shortcuts-table td:first-child {
    white-space: nowrap;
    font-weight: 500;
}

.shortcuts-table td:last-child {
    color: var(--text-light);
}

/* Support Section */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.support-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s;
}

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

.support-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.support-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* FAQ */
.faq {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.faq h3 {
    color: var(--secondary-color);
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
}

.faq-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.faq-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

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

/* Footer */
footer {
    background: var(--text-color);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .tagline {
        font-size: 1.25rem;
    }

    h2 {
        font-size: 2rem;
    }

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

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    section {
        padding: 3rem 1rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}