:root {
    --bg: #000000;
    --bg-2: #050510;
    --surface: rgba(255, 255, 255, 0.02);
    --surface-2: rgba(255, 255, 255, 0.04);
    --border: rgba(255, 255, 255, 0.08);
    --border-2: rgba(255, 255, 255, 0.12);
    --text: #ffffff;
    --text-sub: rgba(255, 255, 255, 0.6);
    --text-tert: rgba(255, 255, 255, 0.4);
    --accent: #ff6b35;
    --accent-2: #f7931e;
    --cyan: #00f0ff;
    --purple: #a855f7;
    --grid: rgba(255, 107, 53, 0.15);
}

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

html {
    scroll-behavior: smooth;
    background: var(--bg);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: radial-gradient(ellipse at top, #0a0a15 0%, var(--bg) 60%);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Nav */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.nav-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.logo-bracket {
    color: var(--accent);
}

.logo-dot {
    color: var(--cyan);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-sub);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    transition: color 0.3s;
    position: relative;
}

.nav-link:hover {
    color: var(--text);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s;
}

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

.nav-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-tert);
}

.status-dot {
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 10px #22c55e;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Hero */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
    transform: perspective(500px) rotateX(60deg);
    transform-origin: top;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    from { background-position: 0 0; }
    to { background-position: 0 60px; }
}

.hero-noise {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1100px;
}

.hero-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--text-tert);
}

.label-line {
    width: 40px;
    height: 1px;
    background: var(--border-2);
}

.hero-title {
    font-family: 'Clash Display', sans-serif;
    font-size: clamp(4rem, 12vw, 10rem);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.title-row {
    display: flex;
    justify-content: center;
    gap: 0.05em;
    overflow: hidden;
}

.char {
    display: inline-block;
    animation: charIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.char:nth-child(1) { animation-delay: 0.05s; }
.char:nth-child(2) { animation-delay: 0.1s; }
.char:nth-child(3) { animation-delay: 0.15s; }
.char:nth-child(4) { animation-delay: 0.2s; }
.char:nth-child(5) { animation-delay: 0.25s; }
.char:nth-child(6) { animation-delay: 0.3s; }
.char:nth-child(7) { animation-delay: 0.35s; }
.char:nth-child(8) { animation-delay: 0.4s; }
.char:nth-child(9) { animation-delay: 0.45s; }

@keyframes charIn {
    from {
        opacity: 0;
        transform: translateY(100px) rotateX(-90deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0);
    }
}

.title-row-2 {
    animation-delay: 0.2s;
}

.title-row-3 {
    background: linear-gradient(90deg, var(--accent) 0%, var(--cyan) 50%, var(--purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
    background-size: 200% 100%;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-sub);
    margin-bottom: 3rem;
    letter-spacing: 0.02em;
}

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

.cta-primary {
    position: relative;
    display: inline-flex;
    padding: 1rem 2.5rem;
    text-decoration: none;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    overflow: hidden;
    border: 1px solid var(--accent);
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-primary:hover .cta-bg {
    transform: translateX(0);
}

.cta-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.cta-ghost {
    display: inline-flex;
    padding: 1rem 2.5rem;
    text-decoration: none;
    color: var(--text-sub);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    border: 1px solid var(--border-2);
    transition: all 0.3s;
}

.cta-ghost:hover {
    color: var(--text);
    border-color: var(--border);
    background: var(--surface);
}

.hero-stats {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1rem 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
}

.stat-label {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--text-tert);
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* Sections */
.collections,
.kits,
.guides {
    padding: 8rem 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

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

.section-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--text-tert);
}

.label-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.section-title {
    font-family: 'Clash Display', sans-serif;
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.collection-card {
    position: relative;
    background: linear-gradient(135deg, var(--surface) 0%, transparent 100%);
    border: 1px solid var(--border);
    padding: 2rem;
    color: white;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.collection-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 107, 53, 0.08) 100%);
    opacity: 0;
    transition: opacity 0.4s;
}

.collection-card:hover {
    border-color: rgba(255, 107, 53, 0.4);
    transform: translateY(-2px);
}

.collection-card:hover::before {
    opacity: 1;
}

.collection-card.expanded {
    border-color: var(--accent);
}

.collection-card.expanded::before {
    opacity: 1;
}

.collection-card-content {
    position: relative;
    z-index: 1;
}

.collection-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.collection-emoji {
    font-size: 2.5rem;
}

.collection-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--text-tert);
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.collection-card:hover .collection-badge {
    color: var(--accent);
    border-color: rgba(255, 107, 53, 0.4);
}

.collection-card.expanded .collection-badge {
    color: var(--accent);
    border-color: var(--accent);
}

.collection-title {
    font-family: 'Clash Display', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
    line-height: 1.2;
}

.collection-subtitle {
    color: var(--accent);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.collection-description {
    color: var(--text-sub);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.collection-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.meta-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    padding: 0.25rem 0.625rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-sub);
}

.collection-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.collection-card.expanded .collection-details {
    max-height: 400px;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--text-tert);
    text-transform: uppercase;
}

.detail-value {
    font-size: 0.875rem;
    color: var(--text-sub);
    text-align: right;
}

.detail-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.detail-list li {
    font-size: 0.8125rem;
    color: var(--text-sub);
    padding-left: 1rem;
    position: relative;
}

.detail-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.kits-filter {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.filter-pill {
    padding: 0.5rem 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-sub);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-pill.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.filter-pill:hover:not(.active) {
    border-color: var(--border-2);
    color: var(--text);
}

.kits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 0.875rem;
}

.kit-card {
    background: linear-gradient(90deg, var(--surface) 0%, transparent 100%);
    border: 1px solid var(--border);
    padding: 1rem 1.25rem;
    text-decoration: none;
    color: white;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.875rem;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
    min-height: 72px;
}

.kit-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-2) 100%);
}

.kit-card:hover {
    background: linear-gradient(90deg, rgba(255, 107, 53, 0.08) 0%, transparent 100%);
    border-color: rgba(255, 107, 53, 0.4);
    transform: translateX(6px);
}

.kit-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.05em;
    width: 32px;
    text-align: center;
}

.kit-info {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.kit-title {
    font-weight: 500;
    font-size: 0.9rem;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kit-subtitle {
    font-size: 0.75rem;
    color: var(--text-tert);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kit-arrow {
    color: var(--text-tert);
    transition: all 0.25s;
    flex-shrink: 0;
}

.kit-card:hover .kit-arrow {
    transform: translateX(4px);
    color: var(--accent);
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.guide-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    text-decoration: none;
    color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s;
}

.guide-card:hover {
    background: var(--surface-2);
    border-color: var(--border-2);
}

.guide-icon {
    color: var(--cyan);
}

.guide-info {
    flex: 1;
}

.guide-title {
    font-weight: 500;
    font-size: 0.9rem;
}

.guide-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-tert);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .collections-grid {
        grid-template-columns: 1fr;
    }
}