/* OST2GO Website Styles */
/* Author: SkyLostTR (@Keeftraum) */

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --bg-code: #0f172a;
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    
    --border: #334155;
    --border-light: #475569;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.star-count {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    padding: 0.125rem 0.375rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.star-button:hover .star-count {
    background: var(--primary);
    color: white;
}

.sponsor-button {
    color: #238636 !important; /* GitHub green */
}

.sponsor-button:hover {
    color: #2ea043 !important; /* Lighter GitHub green */
}

.coffee-button {
    color: #ffdd00 !important; /* Buy Me a Coffee yellow */
}

.coffee-button:hover {
    color: #ffed4a !important; /* Lighter yellow */
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--primary);
    border-radius: 2rem;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    border: none;
    cursor: pointer;
}

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

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

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

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

.hero-code {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: left;
    box-shadow: var(--shadow-xl);
}

.hero-code pre {
    overflow-x: auto;
}

.hero-code code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.code-comment {
    color: #6b7280;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
    opacity: 0.3;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-1);
    top: -250px;
    right: -250px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-2);
    bottom: -200px;
    left: -200px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--gradient-3);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    color: var(--primary);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

/* Install Section */
.install {
    padding: 6rem 0;
}

.install-steps {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.install-step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Code Blocks */
.code-block {
    position: relative;
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    overflow: hidden;
    margin: 1rem 0;
}

.code-block pre {
    padding: 1rem;
    overflow-x: auto;
    margin: 0;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.copy-btn svg {
    width: 16px;
    height: 16px;
}

/* Documentation Section */
.documentation {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.docs-container {
    display: flex;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.docs-sidebar {
    flex-shrink: 0;
    width: 250px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1rem;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.doc-tab {
    width: 100%;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s;
    margin-bottom: 0.5rem;
}

.doc-tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.doc-tab.active {
    background: var(--primary);
    color: white;
}

.docs-content {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 2rem;
}

.doc-content {
    display: none;
}

.doc-content.active {
    display: block;
}

.doc-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.doc-content h4 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.doc-content p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.doc-list {
    margin: 1rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.doc-list li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.doc-list strong {
    color: var(--text-primary);
}

.options-table {
    overflow-x: auto;
    margin: 1rem 0;
}

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

.options-table th,
.options-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.options-table th {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 600;
}

.options-table td {
    color: var(--text-secondary);
}

.options-table code {
    background: var(--bg-code);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.command-section {
    margin: 2rem 0;
}

.command-section h4 code {
    background: var(--bg-code);
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 1.25rem;
}

.license-box {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin: 1rem 0;
}

.license-box p {
    margin-bottom: 1rem;
}

.license-box a {
    color: var(--primary);
    text-decoration: none;
}

.license-box a:hover {
    text-decoration: underline;
}

.warning-box {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin: 1rem 0;
    display: flex;
    gap: 1rem;
}

.warning-box svg {
    width: 24px;
    height: 24px;
    color: var(--error);
    flex-shrink: 0;
}

.warning-box strong {
    color: var(--error);
}

.warning-box ul {
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    background: var(--bg-code);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

.footer-brand p {
    color: var(--text-tertiary);
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

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

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.sponsor-link {
    color: #238636 !important; /* GitHub green */
}

.sponsor-link:hover {
    color: #2ea043 !important; /* Lighter GitHub green */
}

.bmc-link {
    color: #ffdd00 !important; /* Buy Me a Coffee yellow */
}

.bmc-link:hover {
    color: #ffed4a !important; /* Lighter yellow */
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-tertiary);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-bottom a {
    color: inherit;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    position: relative;
}

.footer-bottom a:hover {
    color: var(--primary);
    text-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
}

.footer-bottom a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.3s;
}

.footer-bottom a:hover::after {
    width: 100%;
}

/* Sponsor Section */
.sponsor-section {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    padding: 4rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

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

.sponsor-text h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sponsor-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
}

.sponsor-buttons {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.sponsor-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    box-shadow: var(--shadow-md);
}

.github-sponsor {
    background: linear-gradient(135deg, #238636 0%, #2ea043 100%);
    color: white;
}

.github-sponsor:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #2ea043 0%, #238636 100%);
}

.coffee-sponsor {
    background: linear-gradient(135deg, #ffdd00 0%, #ffed4a 100%);
    color: #000;
}

.coffee-sponsor:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #ffed4a 0%, #ffdd00 100%);
}

.sponsor-btn svg {
    flex-shrink: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .docs-container {
        flex-direction: column;
    }
    
    .docs-sidebar {
        width: 100%;
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .doc-tab {
        flex: 1;
        min-width: 150px;
        margin-bottom: 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr 2fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
    
    .sponsor-content {
        gap: 2rem;
        padding: 0 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .sponsor-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .sponsor-buttons {
        justify-content: center;
    }
    
    .sponsor-btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .install-step {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

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

.hero-content > * {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0;
}

.hero-badge {
    animation-delay: 0.1s;
}

.hero-title {
    animation-delay: 0.2s;
}

.hero-description {
    animation-delay: 0.3s;
}

.hero-buttons {
    animation-delay: 0.4s;
}

.hero-code {
    animation-delay: 0.5s;
}

/* Smooth scrolling offset for fixed navbar */
section {
    scroll-margin-top: 80px;
}

/* Code syntax highlighting */
.code-block .token.comment {
    color: #6b7280;
}

.code-block .token.string {
    color: #10b981;
}

.code-block .token.keyword {
    color: #3b82f6;
}

.code-block .token.function {
    color: #8b5cf6;
}

.code-block .token.number {
    color: #f59e0b;
}

/* Selection */
::selection {
    background: var(--primary);
    color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}