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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #000000;
    color: #ffffff;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px 0;
}

.hero-image {
    margin-bottom: 0.2rem;
    max-width: 620px;
    width: 100%;
}

.hero-image img {
    width: 620px;
    height: auto;
    max-width: 100%;
    display: block;
    object-fit: contain;
    transform: scale(0.95);
    opacity: 1;
}

/* Hero Description */
.hero-description {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
}

.hero-description p {
    font-size: 1.25rem;
    color: #D1D5DB;
    font-weight: 500;
    line-height: 1.7;
}

/* Dashboard Preview */
.dashboard-preview {
    width: 100%;
    max-width: 900px;
    background: #374151;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 8px solid #374151;
    position: relative;
    margin-bottom: 20px;
}

.dashboard-image {
    width: 100%;
    height: auto;
    display: block;
}

/* Mac Header */
.mac-header {
    background: #2D3748;
    padding: 12px 20px;
    display: flex;
    align-items: center;
}

.traffic-lights {
    display: flex;
    gap: 8px;
}

.light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.light.red { 
    background-color: #EF4444; 
}

.light.yellow { 
    background-color: #F59E0B; 
}

.light.green { 
    background-color: #10B981; 
}

.dashboard-header {
    background: #374151;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.traffic-lights {
    display: flex;
    gap: 8px;
}

.light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.light.red {
    background-color: #EF4444;
}

.light.yellow {
    background-color: #F59E0B;
}

.light.green {
    background-color: #10B981;
}

.dashboard-title {
    font-weight: 600;
    color: #ffffff;
}

.dashboard-nav {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
    color: #9CA3AF;
}

.dashboard-content {
    display: flex;
    height: 400px;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: #1F2937;
    padding: 20px;
    border-right: 1px solid #374151;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 30px;
}

.logo {
    width: 40px;
    height: 40px;
    background: #8B5CF6;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.company-name {
    font-weight: 600;
    color: #ffffff;
}

.company-subtitle {
    font-size: 0.8rem;
    color: #9CA3AF;
}

.navigation {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    color: #9CA3AF;
}

.nav-item.active {
    background: #3B82F6;
    color: #ffffff;
}

.nav-item:hover:not(.active) {
    background: #374151;
    color: #ffffff;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 30px;
    background: #111827;
}

.dashboard-welcome {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #ffffff;
}

.dashboard-subtitle {
    color: #9CA3AF;
    margin-bottom: 30px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-card {
    background: #1F2937;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #374151;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 4px;
}

.stat-label {
    color: #9CA3AF;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.stat-change {
    font-size: 0.8rem;
    font-weight: 500;
}

.stat-change.positive {
    color: #10B981;
}

/* Content Section */
.content-section {
    padding: 20px 0;
    max-width: 700px;
    margin: 0 auto;
}

.content-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #E5E7EB;
}

.intro-text {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 2rem;
    color: #ffffff;
}

.content-text p {
    margin-bottom: 1.5rem;
}

.signature {
    margin: 2rem 0;
    font-style: italic;
}

.founder-link,
.cta-link {
    color: #8B5CF6;
    text-decoration: underline;
    transition: color 0.2s;
}

.founder-link:hover,
.cta-link:hover {
    color: #A78BFA;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-image {
        margin-bottom: 2rem;
    }

    .dashboard-content {
        flex-direction: column;
        height: auto;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #374151;
    }

    .navigation {
        flex-direction: row;
        overflow-x: auto;
        gap: 4px;
    }

    .nav-item {
        white-space: nowrap;
        padding: 8px 12px;
    }

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

    .dashboard-nav {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-image {
        margin-bottom: 1.5rem;
    }

    .container {
        padding: 0 15px;
    }

    .main-content {
        padding: 20px;
    }
}