/* Catppuccin Mocha Theme with Miku Accents */
:root {
    /* Catppuccin Mocha Palette */
    --ctp-rosewater: #f5e0dc;
    --ctp-flamingo: #f2cdcd;
    --ctp-pink: #f5c2e7;
    --ctp-mauve: #cba6f7;
    --ctp-red: #f38ba8;
    --ctp-maroon: #eba0ac;
    --ctp-peach: #fab387;
    --ctp-yellow: #f9e2af;
    --ctp-green: #a6e3a1;
    --ctp-teal: #94e2d5;
    --ctp-sky: #89dceb;
    --ctp-sapphire: #74c7ec;
    --ctp-blue: #89b4fa;
    --ctp-lavender: #b4befe;
    --ctp-text: #cdd6f4;
    --ctp-subtext1: #bac2de;
    --ctp-subtext0: #a6adc8;
    --ctp-overlay2: #9399b2;
    --ctp-overlay1: #7f849c;
    --ctp-overlay0: #6c7086;
    --ctp-surface2: #585b70;
    --ctp-surface1: #45475a;
    --ctp-surface0: #313244;
    --ctp-base: #1e1e2e;
    --ctp-mantle: #181825;
    --ctp-crust: #11111b;

    /* Miku Theme Mappings */
    --miku-primary: var(--ctp-teal);       /* Main Miku Color */
    --miku-secondary: var(--ctp-pink);     /* Accent Pink */
    --miku-accent: var(--ctp-sky);         /* Secondary Cyan */
    
    --bg-body: var(--ctp-base);
    --bg-card: var(--ctp-surface0);
    --bg-card-hover: var(--ctp-surface1);
    --bg-nav: rgba(30, 30, 46, 0.8);       /* Base with opacity */
    
    --text-main: var(--ctp-text);
    --text-muted: var(--ctp-subtext0);
    --text-dim: var(--ctp-overlay1);
    
    --border-color: var(--ctp-surface1);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --glow-color: rgba(148, 226, 213, 0.3); /* Teal glow */
}

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

html {
    scroll-behavior: auto;
}

body {
    font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
}

/* Background Stars */
.stars, .stars2, .stars3 {
    display: none; /* Removed to fix dotted grey background issue */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.stars {
    background: transparent url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAYAAABytg0kAAAAEklEQVQIW2P8//+/AxADQ4MDAEf7AoVt8Y8tAAAAAElFTkSuQmCC') repeat;
    opacity: 0.4;
    animation: animateStars 50s linear infinite;
}

.stars2 {
    background: transparent url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAYAAABytg0kAAAAEklEQVQIW2P8////AwYGBoMAAKXuAgUAxBhqAAAAAElFTkSuQmCC') repeat;
    opacity: 0.3;
    animation: animateStars 100s linear infinite;
}

.stars3 {
    background: transparent url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQIW2P4////fwAJ+wP9BUNFygAAAABJRU5ErkJggg==') repeat;
    opacity: 0.2;
    animation: animateStars 150s linear infinite;
}

@keyframes animateStars {
    from { transform: translateY(0); }
    to { transform: translateY(-100vh); }
}

/* Navbar */
.navbar {
    background: var(--bg-nav);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ctp-surface1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--miku-primary), var(--miku-accent));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    position: relative;
}

.nav-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    opacity: 0.8;
    transition: transform 0.3s ease;
}

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

.nav-menu a:hover .nav-icon {
    transform: scale(1.1) rotate(-5deg);
    opacity: 1;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--miku-secondary);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 6rem 2rem;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 1000px;
    position: relative;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(148, 226, 213, 0.15) 0%, transparent 70%);
    filter: blur(60px);
    z-index: -1;
    animation: pulse 6s ease-in-out infinite;
}

.miku-illustration {
    margin-bottom: 2.5rem;
    position: relative;
    display: inline-block;
}

.miku-img {
    max-width: 380px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 30px rgba(148, 226, 213, 0.3));
    animation: float 4s ease-in-out infinite;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.title-line {
    font-size: 1.25rem;
    color: var(--miku-secondary);
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.title-main {
    font-size: 4rem;
    font-weight: 900;
    color: var(--text-main);
    letter-spacing: -1px;
    line-height: 1.3;
    padding-bottom: 0.2em;
    background: linear-gradient(to right, var(--miku-primary), var(--ctp-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 3.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Floating Elements */
.floating-miku {
    position: absolute;
    pointer-events: none;
    z-index: 10;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.floating-miku img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.2));    will-change: auto;}

/* Features section - scattered diagonal */
.miku-features-top {
    top: 50px;
    right: 2%;
    max-width: 250px;
    opacity: 0.8;
    transform: rotate(15deg);
}

.miku-features-top img {
    animation: float 6s ease-in-out infinite;
}

.miku-features-bottom {
    bottom: 20px;
    left: 1%;
    max-width: 180px;
    opacity: 0.75;
    transform: rotate(-12deg);
}

.miku-features-bottom img {
    animation: float 7s ease-in-out infinite 1.5s;
}

/* Commands section - both corners */
.miku-commands-left {
    top: 50px;
    left: 2%;
    max-width: 250px;
    opacity: 0.8;
    transform: rotate(-8deg);
}

.miku-commands-left img {
    animation: float 6.5s ease-in-out infinite 0.5s;
}

.miku-commands-right {
    bottom: 20px;
    right: 1%;
    max-width: 180px;
    opacity: 0.75;
    transform: rotate(10deg);
}

.miku-commands-right img {
    animation: float 7.5s ease-in-out infinite 2s;
}

/* Setup section - right side */
.miku-setup-right {
    top: 50px;
    right: 2%;
    transform: rotate(5deg);
    max-width: 250px;
    opacity: 0.85;
}

.miku-setup-right img {
    animation: float 6s ease-in-out infinite 1s;
}

/* Setup section - left side */
.miku-setup-left {
    bottom: 20px;
    left: 1%;
    transform: rotate(-5deg);
    max-width: 180px;
    opacity: 0.85;
}

.miku-setup-left img {
    animation: float 7s ease-in-out infinite 1.5s;
}

/* Footer - left miku */
.miku-footer-left {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 100%;
    width: auto;
    opacity: 0.8;
    z-index: 1;
    pointer-events: none;
    mask-image: linear-gradient(to right, black 80%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, black 80%, transparent 100%);
}

/* Section Styles */
section {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 0;
    position: relative;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
    box-sizing: border-box;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--text-main);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--miku-secondary);
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* Features Grid */
.features {
    background: var(--ctp-mantle);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--ctp-surface1);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle at top right, rgba(148, 226, 213, 0.1), transparent 70%);
    border-radius: 0 0 0 100%;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--miku-primary);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::after {
    transform: scale(1.5);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--miku-primary);
    background: rgba(148, 226, 213, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--text-main);
    margin-bottom: 1rem;
    font-weight: 700;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Commands Section */
.commands {
    background: var(--bg-body);
}

.commands .container {
    max-width: 1400px;
}

.commands-table-container {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--ctp-surface1);
    overflow-x: auto;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

.commands-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.commands-table th {
    text-align: left;
    padding: 1rem;
    color: var(--miku-secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid var(--ctp-surface1);
    font-size: 0.9rem;
}

.commands-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--ctp-surface1);
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.commands-table tr:hover td {
    background: var(--ctp-surface1);
    color: var(--text-main);
}

.commands-table code {
    background: rgba(148, 226, 213, 0.15);
    color: var(--miku-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
}

.badge-category {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--ctp-surface1);
    color: var(--miku-accent);
    border: 1px solid var(--ctp-surface2);
}



/* Setup Section */
.setup {
    background: var(--ctp-mantle);
}

.setup-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    background: var(--bg-card);
    border: 1px solid var(--ctp-surface1);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.step:hover {
    border-color: var(--miku-primary);
    transform: scale(1.02);
    background: var(--ctp-surface1);
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--miku-primary), var(--miku-accent));
    color: var(--ctp-base);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    box-shadow: 0 4px 10px rgba(148, 226, 213, 0.3);
}

.step-content {
    flex: 1;
    max-width: 100%;
}

.step-content h3 {
    color: var(--text-main);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.step-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.step-content a {
    color: var(--miku-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.step-content a:hover {
    color: var(--miku-secondary);
    text-decoration: underline;
}

.code-block {
    display: block;
    background: var(--ctp-crust);
    border: 1px solid var(--ctp-surface1);
    color: var(--miku-primary);
    padding: 1rem;
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    position: relative;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
}

.tech-stack {
    text-align: center;
}

.tech-stack h3 {
    color: var(--text-main);
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.tech-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tech-badge {
    background: var(--ctp-surface1);
    color: var(--miku-primary);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid var(--ctp-surface2);
    transition: all 0.3s ease;
}

.tech-badge:hover {
    background: var(--miku-primary);
    color: var(--ctp-base);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(148, 226, 213, 0.3);
}

/* Footer */
.footer {
    background: var(--ctp-crust);
    border-top: 1px solid var(--ctp-surface1);
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
}

/* Footer Layout */
.footer-main-layout {
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-miku-container {
    flex-shrink: 0;
    width: 180px; /* Matches other small assets */
}

.footer-miku-container img {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.2));
}

.footer-content {
    flex-grow: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 0;
    position: relative;
    z-index: 2;
}

.footer-section h4 {
    color: var(--text-main);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-section p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0.8rem;
}

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

.footer-section li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--ctp-surface1);
    color: var(--ctp-overlay1);
    font-size: 0.85rem;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.05); }
}

/* Responsive */
@media (max-width: 768px) {
    .footer-main-layout {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-miku-container {
        width: 140px;
        margin-bottom: 1rem;
    }

    .nav-menu {
        display: none; /* Simple hide for mobile for now */
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    /* Adjust floating assets for mobile */
    .floating-miku {
        display: block;
        opacity: 0.5;
        z-index: 0;
        pointer-events: none;
    }

    /* Asset Positioning: Flanking the title */
    .miku-features-bottom, 
    .miku-commands-left, 
    .miku-setup-left {
        top: 5rem;
        left: 5px;
        bottom: auto;
        right: auto;
        max-width: 80px;
    }

    .miku-features-top, 
    .miku-commands-right, 
    .miku-setup-right {
        top: 5rem;
        right: 5px;
        bottom: auto;
        left: auto;
        max-width: 80px;
    }
    
    /* Ensure title has room between images */
    .section-title {
        font-size: 2rem;
        max-width: 60%;
        margin-left: auto;
        margin-right: auto;
        z-index: 2;
    }
    
    /* Fix table responsiveness */
    .commands .container {
        padding: 0;
        width: 100%;
        overflow: hidden; /* Prevent container from causing scroll */
    }

    .commands-table-container {
        width: 100%;
        margin: 0;
        border-radius: 0;
        border-left: none;
        border-right: none;
        padding: 0.5rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .commands-table {
        min-width: 600px; /* Allow it to be smaller if possible, but scroll if needed */
    }

    .commands-table th, 
    .commands-table td {
        padding: 0.8rem 0.5rem;
        font-size: 0.85rem;
        white-space: normal; /* Allow text wrap */
    }
    
    .step {
        flex-direction: column;
    }
    
    .container {
        padding: 0 1rem;
        width: 100%;
        max-width: 100vw;
        box-sizing: border-box;
    }
    
    .floating-miku {
        display: none;
    }
    
    .nav-icon {
        width: 20px;
        height: 20px;
    }
}

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

::-webkit-scrollbar-track {
    background: var(--ctp-base);
}

::-webkit-scrollbar-thumb {
    background: var(--ctp-surface2);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ctp-overlay0);
}