:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --accent: #14b8a6;
    --dark: #0f172a;
    --dark-secondary: #1e293b;
    --dark-tertiary: #334155;
    --bg-dark: #1a1f2e;
    --bg-darker: #151923;
    --card-dark: #1e2433;
    --light: #f8fafc;
    --text: #e2e8f0;
    --text-light: #94a3b8;
    --text-muted: #64748b;
    --border: #2d3748;
    --border-light: #374151;
    --success: #10b981;
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.3), 0 1px 2px -1px rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg-darker);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--secondary) 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

header .container {
    position: relative;
    z-index: 1;
}

header h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.tagline {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    opacity: 0.95;
    font-weight: 300;
    letter-spacing: 0.01em;
    color: black;
}

/* Navigation */
nav {
    background: rgba(30, 36, 51, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

nav .container {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding: 20px 24px;
}

nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    letter-spacing: 0.02em;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

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

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

/* Main Content */
main {
    padding: 60px 20px;
}

section {
    margin-bottom: 120px;
    animation: fadeIn 0.6s ease-out;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 48px;
    color: var(--text);
    font-weight: 800;
    letter-spacing: -0.02em;
    position: relative;
    padding-bottom: 16px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 3px;
}

h3 {
    font-size: clamp(1.3rem, 2.5vw, 1.75rem);
    margin-bottom: 16px;
    color: var(--text);
    font-weight: 700;
}

p {
    margin-bottom: 16px;
    color: var(--text-light);
    font-size: 1.05rem;
}

/* Hero Section */
#hero {
    text-align: center;
    padding: 60px 20px;
    background: var(--card-dark);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    margin-top: -40px;
    position: relative;
    border: 1px solid var(--border);
}

#hero h2 {
    border: none;
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#hero h2::after {
    display: none;
}

#hero p {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text);
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.btn {
    display: inline-block;
    padding: 16px 40px;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.05rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.02em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Feature Grid */
#features {
    background: var(--card-dark);
    padding: 80px 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.feature-card {
    background: var(--bg-dark);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    display: block;
    text-align: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(-5deg);
}

.feature-card h3 {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Quick Start */
#quick-start {
    background: var(--card-dark);
    padding: 80px 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.quick-start-option {
    background: var(--bg-dark);
    padding: 40px;
    border-radius: 16px;
    margin-bottom: 32px;
    border-left: 5px solid var(--primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
}

.quick-start-option:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(8px);
}

.quick-start-option h3 {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

/* Code Blocks */
pre {
    background: var(--dark);
    color: #e2e8f0;
    padding: 28px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 24px 0;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--dark-secondary);
}

code {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

p code, li code {
    background: var(--bg-dark);
    color: var(--primary-light);
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--border);
    font-size: 0.88rem;
    font-weight: 600;
}

/* Documentation Section */
#documentation {
    background: var(--card-dark);
    padding: 80px 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.doc-section {
    margin-bottom: 48px;
    padding: 32px;
    background: var(--bg-dark);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.doc-section h3 {
    color: var(--primary);
    margin-bottom: 20px;
}

.doc-section ul {
    list-style: none;
    margin-left: 0;
}

.doc-section li {
    margin-bottom: 16px;
    color: var(--text-light);
    padding-left: 32px;
    position: relative;
}

.doc-section li::before {
    content: '→';
    position: absolute;
    left: 8px;
    color: var(--primary);
    font-weight: bold;
}

.doc-section ul ul {
    margin-top: 12px;
    margin-left: 20px;
    padding-left: 12px;
    border-left: 2px solid var(--border);
}

.doc-section ul ul li {
    margin-bottom: 12px;
    padding-left: 24px;
}

.doc-section ul ul li::before {
    content: '•';
    left: 4px;
    color: var(--primary-light);
    font-size: 1.2rem;
}

/* Contributing Section */
#contributing {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--secondary) 100%);
    padding: 80px 40px;
    border-radius: 24px;
    color: white;
    box-shadow: var(--shadow-xl);
}

#contributing h2 {
    color: white;
}

#contributing h2::after {
    background: white;
}

#contributing p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.15rem;
}

#contributing ol {
    margin-left: 24px;
    margin-top: 32px;
}

#contributing li {
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.05rem;
    padding-left: 12px;
}

#contributing code {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-weight: 600;
}

/* License Section */
#license {
    background: var(--card-dark);
    padding: 60px 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid var(--border);
}

#license h2::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Links */
a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s;
}

a:hover {
    color: var(--primary-dark);
}

a.external_link::after {
    content: '↗';
    display: inline-block;
    margin-left: 3px;
    font-size: 0.7em;
    opacity: 0.5;
    transition: all 0.2s ease;
    vertical-align: super;
    line-height: 0;
}

a.external_link:hover::after {
    opacity: 0.8;
    transform: translate(1px, -1px);
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    text-align: center;
    padding: 60px 20px;
    margin-top: 80px;
    border-top: 4px solid var(--primary);
}

footer p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 12px;
    font-size: 1rem;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    margin: 0 16px;
    font-weight: 600;
    transition: all 0.3s;
}

footer a:hover {
    color: var(--primary-light);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subtext {
    color: orange;
    opacity: 25%;
}

ul > li > img {
    max-width: 100%;
}
/* Selection styling */
::selection {
    background: var(--primary-light);
    color: white;
}

::-moz-selection {
    background: var(--primary-light);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        padding: 60px 20px;
    }

    nav .container {
        flex-wrap: wrap;
        gap: 24px;
        padding: 16px;
    }

    main {
        padding: 40px 16px;
    }

    section {
        margin-bottom: 80px;
    }

    #hero {
        padding: 40px 20px;
        margin-top: -20px;
    }

    #features,
    #quick-start,
    #documentation,
    #contributing,
    #license {
        padding: 40px 24px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .quick-start-option {
        padding: 24px;
    }

    .doc-section {
        padding: 20px;
    }

    pre {
        padding: 20px;
        font-size: 0.85rem;
    }
}