/* Reset and Core Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #f8fafc; /* Clean, off-white background */
    color: #1e293b; /* Deep slate text for high readability */
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Light Tech Glow Background */
.bg-gradient {
    position: fixed;
    top: -20%;
    left: -10%;
    width: 140vw;
    height: 140vh;
    background: radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
    z-index: -1;
}

/* Layout Container */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 5rem;
}

/* Logo Styling */
.site-logo {
    max-width: 160px; /* Adjust width to fit your logo */
    height: auto;
    margin-bottom: 2rem;
    display: inline-block;
}

.badge {
    display: inline-block;
    background: rgba(79, 70, 229, 0.08);
    border: 1px solid rgba(79, 70, 229, 0.2);
    color: #4f46e5; /* Vibrant indigo */
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #0f172a;
}

.text-gradient {
    background: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.2rem;
    color: #475569; /* Balanced grey description text */
    max-width: 700px;
    margin: 0 auto;
}

/* Domain Section & Cards */
.domain-card {
    background: #ffffff; /* Crisp white card base */
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

h2 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #0f172a;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.grid-item {
    background: #f8fafc; /* Slightly darker inner card layout */
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.grid-item:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 12px 20px -10px rgba(99, 102, 241, 0.15);
}

.icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.grid-item p {
    color: #64748b;
    font-size: 0.95rem;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 6rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
    color: #94a3b8;
    font-size: 0.85rem;
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    h1 { font-size: 2.25rem; }
    .domain-card { padding: 1.5rem; }
}