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

html, body {
    height: 100vh;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
}

body {
    display: grid;
    grid-template-columns: 300px 1fr;
    overflow: hidden;
    position: relative;
}

.menu-toggle {
    display: none;
}

/* Keep only the animations that are actually used */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.sidebar {
    background: var(--bg-darker);
    border-right: 1px solid var(--border-light);
    padding: 1.5rem 1rem;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    width: 260px;
    transition: transform 0.3s ease;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 10px;
    border: 2px solid var(--bg-darker);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

::-webkit-scrollbar-button:single-button {
    background-color: var(--bg-darker);
    display: block;
    border-style: solid;
    height: 13px;
    width: 16px;
}

::-webkit-scrollbar-button:single-button:vertical:decrement {
    border-width: 0 8px 8px 8px;
    border-color: transparent transparent var(--accent-primary) transparent;
    border-radius: 20px;
}

::-webkit-scrollbar-button:single-button:vertical:decrement:hover {
    border-color: transparent transparent var(--accent-secondary) transparent;
}

::-webkit-scrollbar-button:single-button:vertical:increment {
    border-width: 8px 8px 0 8px;
    border-color: var(--accent-primary) transparent transparent transparent;
    border-radius: 20px;
}

::-webkit-scrollbar-button:single-button:vertical:increment:hover {
    border-color: var(--accent-secondary) transparent transparent transparent;
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) var(--bg-darker);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 1.25rem;
}

.nav-section {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 120px);
    position: relative;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    margin-bottom: 0.375rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.875rem;
    white-space: nowrap;
}

.nav-item:hover {
    background: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.nav-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.nav-item span {
    font-size: 0.8125rem;
}

.nav-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.75rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    margin-bottom: 0.375rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.875rem;
    white-space: nowrap;
}

.theme-toggle:hover {
    background: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.theme-toggle svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.theme-toggle span {
    font-size: 0.8125rem;
}

.main-content {
    height: 100vh;
    display: grid;
    grid-template-rows: 1fr auto;
    padding: 1.5rem;
    gap: 1.25rem;
    overflow: hidden;
    background: var(--bg-primary);
}

.welcome-container {
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    padding: 2rem;
    overflow-y: auto;
    max-height: calc(100vh - 4rem);
    display: flex;
    flex-direction: column;
    gap: 3rem;
    position: relative;
    z-index: 1;
}

#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.animated-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        45deg,
        rgba(139, 92, 246, 0.05),
        rgba(124, 58, 237, 0.05),
        rgba(139, 92, 246, 0.05)
    );
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    z-index: 0;
    pointer-events: none;
}

.welcome-container::-webkit-scrollbar {
    width: 10px;
}

.welcome-container::-webkit-scrollbar-track {
    background: var(--bg-darker);
    border-radius: 10px;
}

.welcome-container::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 10px;
    border: 2px solid var(--bg-darker);
}

.welcome-container::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

.welcome-container::-webkit-scrollbar-button:single-button {
    background-color: var(--bg-darker);
    display: block;
    border-style: solid;
    height: 13px;
    width: 16px;
}

.welcome-container::-webkit-scrollbar-button:single-button:vertical:decrement {
    border-width: 0 8px 8px 8px;
    border-color: transparent transparent var(--accent-primary) transparent;
    border-radius: 20px;
}

.welcome-container::-webkit-scrollbar-button:single-button:vertical:decrement:hover {
    border-color: transparent transparent var(--accent-secondary) transparent;
}

.welcome-container::-webkit-scrollbar-button:single-button:vertical:increment {
    border-width: 8px 8px 0 8px;
    border-color: var(--accent-primary) transparent transparent transparent;
    border-radius: 20px;
}

.welcome-container::-webkit-scrollbar-button:single-button:vertical:increment:hover {
    border-color: var(--accent-secondary) transparent transparent transparent;
}

.content-section {
    padding: 4rem 2rem;
    border-top: 1px solid var(--border-light);
    position: relative;
    z-index: 2;
    background: transparent;
}

.hero-section {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.cta-button {
    background: var(--gradient-purple);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: fit-content;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.hero-image {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-visualization {
    max-width: 100%;
    width: 250px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(139, 92, 246, 0.2);
    transition: transform 0.3s ease;
}

.hero-visualization:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.3);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 0 2rem;
}

.feature-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.2);
    background: var(--bg-secondary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-purple);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.feature-button {
    background: transparent;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.feature-button:hover {
    background: var(--accent-primary);
    color: white;
}

.analytics-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.graph-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary) 0%, #4ade80 100%);
    position: relative;
}

.graph-line::after {
    content: '';
    position: absolute;
    right: 0;
    top: -4px;
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
}

.analytics-stat {
    color: #4ade80;
    font-weight: 600;
    font-size: 1rem;
}

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

    .hero-content h1 {
        font-size: 2.5rem;
    }

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

    .cta-button {
        margin: 0 auto;
    }

    .hero-image {
        order: -1;
        margin-bottom: 2rem;
    }

    .hero-visualization {
        max-width: 80%;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 1rem;
    }

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

@media (max-width: 768px) {
    body {
        grid-template-columns: 1fr;
    }

    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 1001;
        background: var(--accent-primary);
        border: none;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        cursor: pointer;
        color: white;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .sidebar {
        position: fixed;
        transform: translateX(-100%);
        left: 0;
        top: 0;
        z-index: 1000;
        width: 280px;
        background: var(--bg-secondary);
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

    .welcome-container {
        padding: 1rem;
    }

    .hero-section {
        padding: 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-visualization {
        max-width: 100%;
    }

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

    .content-section {
        padding: 3rem 1rem;
    }

    .content-section h2 {
        font-size: 2rem;
    }

    .info-grid, .tech-grid, .enterprise-grid {
        grid-template-columns: 1fr;
    }

    .sidebar.active::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.75rem;
    }

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

    .stat-number {
        font-size: 1.5rem;
    }

    .hero-visualization {
        max-width: 100%;
    }

    .feature-card {
        padding: 1rem;
    }
}