:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --bg-card: #0d0d0d;
    --accent: #2563eb;
    --accent-hover: #3b82f6;
    --accent-glow: rgba(37, 99, 235, 0.4);
    --accent-subtle: rgba(37, 99, 235, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border: #27272a;
    --border-light: #3f3f46;
    --success: #22c55e;
    --warning: #f59e0b;
    --gradient-1: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-2: linear-gradient(135deg, #06b6d4 0%, #2563eb 100%);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.2s;
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-cta {
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.2s;
}

.nav-cta:hover {
    background: var(--accent);
    color: white;
}

.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

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

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    z-index: 999;
    border-bottom: 1px solid var(--border);
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1rem;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    transition: all 0.2s;
}

.mobile-link:hover {
    color: var(--accent);
    padding-left: 8px;
}

.mobile-cta {
    background: var(--accent);
    color: white;
    padding: 16px;
    border-radius: 12px;
    text-decoration: none;
    text-align: center;
    font-weight: 600;
    margin-top: 8px;
    box-shadow: 0 0 20px var(--accent-glow);
    transition: all 0.2s;
}

.mobile-cta:hover {
    background: var(--accent-hover);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-video-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.65) 50%, rgba(0,0,0,0.85) 100%);
}

.hero-content {
    max-width: 800px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    position: relative;
    z-index: 1;
    animation: fadeUp 0.8s ease-out;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.3);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--accent-hover);
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 10px var(--success);
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 0 30px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.125rem;
}

/* Sections */
.section {
    padding: 120px 24px;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    padding: 6px 12px;
    background: var(--accent-subtle);
    border-radius: 6px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Problem Section */
.problem-section {
    background: var(--bg-secondary);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.comparison-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s;
}

.comparison-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.comparison-card.new-way {
    border-color: rgba(37, 99, 235, 0.3);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, transparent 100%);
}

.comparison-card.new-way:hover {
    border-color: var(--accent);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2), 0 0 20px var(--accent-glow);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.card-icon {
    font-size: 1.5rem;
}

.card-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.card-badge {
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: auto;
}

.card-badge.bad {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.card-badge.good {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.card-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-list li {
    color: var(--text-secondary);
    padding-left: 24px;
    position: relative;
    transition: all 0.2s;
}

.card-list li:hover {
    color: var(--text-primary);
}

.card-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--text-muted);
    transition: all 0.2s;
}

.card-list li:hover::before {
    color: var(--accent);
}

.new-way .card-list li::before {
    content: '✓';
    color: var(--success);
}

.card-list li.highlight {
    color: var(--text-primary);
    font-weight: 600;
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* Features Section */
.features-section {
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 20px var(--accent-glow);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    transition: all 0.3s;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--accent-glow);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Founding Section */
.founding-section {
    background: var(--bg-secondary);
}

.founding-card {
    max-width: 600px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 24px;
    padding: 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.founding-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.founding-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-1);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
    margin-bottom: 24px;
    box-shadow: 0 0 20px var(--accent-glow);
}

.founding-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.founding-subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.founding-price {
    margin-bottom: 32px;
}

.price-amount {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    display: block;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 4px;
}

.founding-perks {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.founding-perks li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all 0.2s;
}

.founding-perks li:hover {
    color: var(--text-primary);
    padding-left: 4px;
}

.founding-perks li:last-child {
    border-bottom: none;
}

.founding-perks svg {
    color: var(--success);
    flex-shrink: 0;
}

.founding-slots {
    margin-bottom: 24px;
}

.slots-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 100px;
    overflow: hidden;
    margin-bottom: 8px;
}

.slots-fill {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 100px;
    transition: width 0.5s ease;
    position: relative;
}

.slots-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.slots-text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

.btn-founding {
    background: var(--gradient-1);
    color: white;
    width: 100%;
    justify-content: center;
    padding: 18px 32px;
    font-size: 1.125rem;
    box-shadow: 0 0 30px var(--accent-glow);
}

.btn-founding:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 50px var(--accent-glow);
}

.founding-note {
    margin-top: 16px;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Tech Section */
.tech-section {
    background: var(--bg-primary);
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.tech-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 32px;
    text-align: center;
    transition: all 0.3s;
}

.tech-item:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.tech-name {
    display: block;
    font-weight: 700;
    margin-bottom: 4px;
}

.tech-desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    background: var(--bg-secondary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-subtle) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 48px;
    position: relative;
    z-index: 1;
}

.cta-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    padding: 80px 24px 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-tagline {
    color: var(--text-muted);
    margin-top: 12px;
    font-size: 0.9375rem;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.footer-social a {
    color: var(--text-muted);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
}

.footer-social a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-subtle);
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 6px 0;
    transition: all 0.2s;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-license a {
    color: var(--text-secondary);
    text-decoration: none;
}

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

/* Disabled Button */
.btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    box-shadow: none;
}

.btn.disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions {
        display: none;
    }

    .nav-mobile-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 24px 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .founding-card {
        padding: 32px 24px;
    }

    .price-amount {
        font-size: 3rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .section {
        padding: 80px 24px;
    }
}