:root {
    --v2-primary: #2563eb;
    --v2-primary-light: #3b82f6;
    --v2-primary-dark: #1d4ed8;
    --v2-secondary: #10b981;
    --v2-accent: #8b5cf6;
    --v2-bg-primary: #ffffff;
    --v2-bg-secondary: #f8fafc;
    --v2-bg-tertiary: #f1f5f9;
    --v2-text-primary: #1e293b;
    --v2-text-secondary: #64748b;
    --v2-text-muted: #94a3b8;
    --v2-border: #e2e8f0;
    --v2-border-light: #f1f5f9;
    --v2-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --v2-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --v2-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --v2-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --v2-radius-sm: 0.375rem;
    --v2-radius: 0.5rem;
    --v2-radius-lg: 0.75rem;
    --v2-radius-xl: 1rem;
    --v2-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.v2-wrapper {
    min-height: 100vh;
    background: var(--v2-bg-primary);
    color: var(--v2-text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

.v2-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.v2-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--v2-border-light);
    transition: var(--v2-transition);
}

.v2-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.v2-header.v2-scrolled {
    box-shadow: var(--v2-shadow-sm);
}

.v2-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--v2-text-primary);
    font-weight: 600;
    font-size: 1.125rem;
    transition: var(--v2-transition);
}

.v2-logo:hover {
    color: var(--v2-primary);
}

.v2-logo-icon {
    width: 2rem;
    height: 2rem;
    color: var(--v2-primary);
}

.v2-nav {
    display: flex;
    gap: 0.5rem;
}

.v2-nav-item {
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--v2-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--v2-radius);
    transition: var(--v2-transition);
    position: relative;
}

.v2-nav-item:hover {
    color: var(--v2-primary);
    background: var(--v2-bg-tertiary);
}

.v2-nav-item.v2-active {
    color: var(--v2-primary);
    background: var(--v2-bg-tertiary);
}

.v2-main {
    padding-top: 5rem;
}

.v2-hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--v2-bg-secondary) 0%, var(--v2-bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.v2-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.v2-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
}

.v2-hero-content {
    animation: v2-fade-up 0.8s ease-out;
}

@keyframes v2-fade-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.v2-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--v2-primary-light);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--v2-radius-xl);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.v2-hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--v2-text-primary);
    margin-bottom: 1rem;
}

.v2-title-accent {
    color: var(--v2-primary);
}

.v2-hero-subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--v2-text-secondary);
    margin-bottom: 0.75rem;
}

.v2-hero-description {
    font-size: 1rem;
    color: var(--v2-text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.v2-hero-stats {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.v2-stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.v2-stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--v2-primary);
    line-height: 1;
}

.v2-stat-label {
    font-size: 0.75rem;
    color: var(--v2-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.v2-stat-divider {
    width: 1px;
    height: 2.5rem;
    background: var(--v2-border);
}

.v2-hero-actions {
    display: flex;
    gap: 1rem;
}

.v2-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--v2-radius);
    transition: var(--v2-transition);
    cursor: pointer;
    border: none;
}

.v2-btn-primary {
    background: var(--v2-primary);
    color: white;
    box-shadow: var(--v2-shadow);
}

.v2-btn-primary:hover {
    background: var(--v2-primary-dark);
    box-shadow: var(--v2-shadow-lg);
    transform: translateY(-2px);
}

.v2-btn-secondary {
    background: var(--v2-bg-secondary);
    color: var(--v2-text-primary);
    border: 1px solid var(--v2-border);
}

.v2-btn-secondary:hover {
    background: var(--v2-bg-tertiary);
    border-color: var(--v2-primary);
    color: var(--v2-primary);
    transform: translateY(-2px);
}

.v2-hero-visual {
    display: flex;
    justify-content: center;
    animation: v2-fade-up 0.8s ease-out 0.2s both;
}

.v2-visual-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    perspective: 1000px;
}

.v2-visual-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: white;
    border-radius: var(--v2-radius-xl);
    box-shadow: var(--v2-shadow-lg);
    font-weight: 500;
    color: var(--v2-text-secondary);
    transition: var(--v2-transition);
    animation: v2-float 6s ease-in-out infinite;
}

.v2-visual-card:nth-child(1) { animation-delay: 0s; }
.v2-visual-card:nth-child(2) { animation-delay: 0.5s; }
.v2-visual-card:nth-child(3) { animation-delay: 1s; }
.v2-visual-card:nth-child(4) { animation-delay: 1.5s; }

@keyframes v2-float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.v2-visual-card:hover {
    transform: translateY(-15px) rotateX(5deg) rotateY(5deg);
    box-shadow: var(--v2-shadow-xl);
}

.v2-visual-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.v2-section {
    padding: 5rem 0;
}

.v2-section-alt {
    background: var(--v2-bg-secondary);
}

.v2-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.v2-section-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--v2-primary-light);
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--v2-radius-xl);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.v2-section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--v2-text-primary);
    margin-bottom: 0.75rem;
}

.v2-section-desc {
    font-size: 1.125rem;
    color: var(--v2-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.v2-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.v2-tool-card {
    background: white;
    border: 1px solid var(--v2-border);
    border-radius: var(--v2-radius-lg);
    padding: 1.5rem;
    transition: var(--v2-transition);
    opacity: 0;
    transform: translateY(20px);
}

.v2-tool-card.v2-visible {
    opacity: 1;
    transform: translateY(0);
}

.v2-tool-card:hover {
    border-color: var(--v2-primary);
    box-shadow: var(--v2-shadow-xl);
    transform: translateY(-5px);
}

.v2-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.v2-card-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--v2-bg-secondary);
    border-radius: var(--v2-radius);
    color: var(--v2-primary);
}

.v2-card-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.v2-card-badge {
    padding: 0.25rem 0.75rem;
    background: var(--v2-accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--v2-radius-xl);
}

.v2-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--v2-text-primary);
    margin-bottom: 0.5rem;
}

.v2-card-desc {
    font-size: 0.9375rem;
    color: var(--v2-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.v2-card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.v2-feature-tag {
    padding: 0.25rem 0.75rem;
    background: var(--v2-bg-tertiary);
    color: var(--v2-text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--v2-radius);
}

.v2-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--v2-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--v2-transition);
}

.v2-card-link:hover {
    color: var(--v2-primary-dark);
    gap: 0.75rem;
}

.v2-card-link svg {
    width: 1rem;
    height: 1rem;
}

.v2-footer {
    background: var(--v2-bg-secondary);
    border-top: 1px solid var(--v2-border);
    padding: 4rem 0 2rem;
}

.v2-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.v2-footer-col h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--v2-text-primary);
    margin-bottom: 1rem;
}

.v2-footer-text {
    font-size: 0.9375rem;
    color: var(--v2-text-secondary);
    line-height: 1.7;
}

.v2-footer-text a {
    color: var(--v2-primary);
    text-decoration: none;
    transition: var(--v2-transition);
}

.v2-footer-text a:hover {
    color: var(--v2-primary-dark);
    text-decoration: underline;
}

.v2-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.v2-tech-tag {
    padding: 0.375rem 0.75rem;
    background: white;
    border: 1px solid var(--v2-border);
    border-radius: var(--v2-radius);
    font-size: 0.875rem;
    color: var(--v2-text-secondary);
    transition: var(--v2-transition);
}

.v2-tech-tag:hover {
    border-color: var(--v2-primary);
    color: var(--v2-primary);
}

.v2-footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--v2-border);
}

.v2-footer-bottom p {
    font-size: 0.875rem;
    color: var(--v2-text-muted);
}

@media (max-width: 1024px) {
    .v2-hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .v2-hero-stats {
        justify-content: center;
    }

    .v2-hero-actions {
        justify-content: center;
    }

    .v2-visual-grid {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .v2-hero {
        padding: 4rem 0;
    }

    .v2-hero-title {
        font-size: 2.5rem;
    }

    .v2-nav {
        display: none;
    }

    .v2-hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .v2-stat-divider {
        display: none;
    }

    .v2-hero-actions {
        flex-direction: column;
    }

    .v2-tools-grid {
        grid-template-columns: 1fr;
    }

    .v2-section {
        padding: 3rem 0;
    }

    .v2-section-title {
        font-size: 2rem;
    }

    .v2-visual-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .v2-container {
        padding: 0 1rem;
    }

    .v2-hero-title {
        font-size: 2rem;
    }

    .v2-hero-subtitle {
        font-size: 1rem;
    }
}