:root {
    --primary: #ffffff;
    --secondary: #000000;
    --accent: #6366f1;
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border: #3f3f46;
    --code-bg: #18181b;
    --shadow: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] {
    --primary: #000000;
    --secondary: #ffffff;
    --accent: #4f46e5;
    --bg-primary: #ffffff;
    --bg-secondary: #f4f4f5;
    --bg-tertiary: #e4e4e7;
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --border: #d4d4d8;
    --code-bg: #fafafa;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    font-size: 1.5rem;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

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

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 500;
}

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

.theme-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.theme-btn:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent);
}

/* Launch Banner */
.launch-banner {
    background: linear-gradient(135deg, var(--accent), #7c3aed);
    padding: 2rem 0;
    text-align: center;
    border-bottom: 2px solid var(--accent);
}

.launch-content h2 {
    color: white;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    backdrop-filter: blur(10px);
    min-width: 100px;
}

.countdown-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.countdown-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hero */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border);
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.codename {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 2rem;
}

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

/* Buttons */
.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-block;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: #4f46e5;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

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

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--accent);
}

/* Sections */
.section {
    padding: 5rem 0;
    border-bottom: 1px solid var(--border);
}

.section-alt {
    background-color: var(--bg-secondary);
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.section-intro {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

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

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 2rem;
    transition: all 0.3s;
}

.section-alt .card {
    background-color: var(--bg-primary);
}

.card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 12px var(--shadow);
    transform: translateY(-4px);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-secondary);
}

.card ul {
    margin-left: 1.5rem;
    color: var(--text-secondary);
}

.card ul li {
    margin-bottom: 0.5rem;
}

/* Steps */
.step {
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.section-alt .step {
    background-color: var(--bg-secondary);
}

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

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

/* Config Groups */
.config-group {
    margin-bottom: 3rem;
}

.config-group h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

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

/* Code Blocks */
pre {
    background-color: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 1rem 0;
}

code {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #e879f9;
}

p code, li code {
    background-color: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    border: 1px solid var(--border);
}

/* Notes */
.note {
    background-color: var(--bg-tertiary);
    border-left: 4px solid var(--accent);
    padding: 1.5rem;
    margin-top: 2rem;
    border-radius: 0.5rem;
}

.note p {
    color: var(--text-secondary);
}

.note-text {
    font-style: italic;
    color: var(--text-secondary);
}

/* CTA */
.cta {
    text-align: center;
    margin-top: 3rem;
    padding: 3rem;
    background-color: var(--bg-tertiary);
    border-radius: 1rem;
}

.cta h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

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

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

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-note {
    font-style: italic;
}

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

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

.pricing-card {
    background-color: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 1rem;
    padding: 2.5rem;
    transition: all 0.3s;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px var(--shadow);
    border-color: var(--accent);
}

.pricing-featured {
    border-color: var(--accent);
    box-shadow: 0 4px 16px var(--shadow);
    transform: scale(1.05);
}

.pricing-featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.pricing-header h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.price .amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
}

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

.pricing-features {
    flex: 1;
    margin-bottom: 2rem;
}

.pricing-features ul {
    list-style: none;
    padding: 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

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

.pricing-note {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--bg-primary);
    border-radius: 0.75rem;
    border: 1px solid var(--border);
}

.pricing-note p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

/* Fee Structure */
.fee-structure {
    margin-top: 4rem;
    padding: 3rem;
    background-color: var(--bg-primary);
    border-radius: 1rem;
    border: 2px solid var(--accent);
}

.fee-structure h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.fee-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.fee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.fee-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}

.fee-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 4px 12px var(--shadow);
}

.fee-highlight {
    border-color: var(--accent);
    background-color: var(--bg-tertiary);
}

.fee-card h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.fee-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.fee-card > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.fee-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.fee-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.fee-example {
    background-color: var(--bg-secondary);
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.fee-example h4 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.fee-calc {
    max-width: 600px;
    margin: 0 auto;
}

.calc-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.calc-row:last-child {
    border-bottom: none;
}

.calc-label {
    color: var(--text-secondary);
}

.calc-value {
    color: var(--text-primary);
    font-weight: 600;
}

.calc-divider {
    height: 1px;
    background-color: var(--accent);
    margin: 1rem 0;
}

.calc-total {
    font-size: 1.125rem;
    padding: 1rem 0;
}

.calc-total .calc-value {
    color: var(--accent);
}

.fee-notes {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--bg-tertiary);
    border-radius: 0.5rem;
    border-left: 4px solid var(--accent);
}

.fee-notes p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

/* Donation Section */
.donation-content {
    max-width: 900px;
    margin: 0 auto;
}

.donation-story {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 1rem;
    border: 1px solid var(--border);
}

.donation-story p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.donation-story p:last-child {
    margin-bottom: 0;
}

.donation-wallets {
    margin-bottom: 3rem;
}

.donation-wallets h3 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--accent);
}

.wallet {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s;
}

.wallet:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 12px var(--shadow);
}

.wallet-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.wallet-icon {
    font-size: 1.75rem;
    color: var(--accent);
}

.wallet-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.wallet-address {
    display: block;
    background-color: var(--code-bg);
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    color: var(--accent);
    word-break: break-all;
    cursor: pointer;
    transition: all 0.2s;
}

.wallet-address:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent);
}

.donation-thanks {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-tertiary);
    border-radius: 1rem;
    border-left: 4px solid var(--accent);
}

.donation-thanks p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section h2 {
        font-size: 2rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        flex-wrap: wrap;
        gap: 0.5rem;
        font-size: 0.8rem;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
}