:root {
    /* 
       Premium Theme: Deep Indigo/Navy & Glass 
       Palette Inspired by modern SaaS & FinTech 
    */
    --primary-hue: 250;
    --primary-sat: 80%;
    --primary-lig: 60%;
    
    --color-primary: hsl(var(--primary-hue), var(--primary-sat), var(--primary-lig));
    --color-primary-dark: hsl(var(--primary-hue), var(--primary-sat), 40%);
    --color-primary-light: hsl(var(--primary-hue), var(--primary-sat), 75%);
    
    --color-accent: #00d4ff; /* Cyan accent for gradients */
    
    --bg-body: #0f172a; /* Slate 900 */
    --bg-glass: rgba(15, 23, 42, 0.7);
    --bg-card: rgba(30, 41, 59, 0.7); /* Slate 800 glass */
    
    --text-main: #f8fafc; /* Slate 50 */
    --text-muted: #94a3b8; /* Slate 400 */
    
    --border-glass: rgba(255, 255, 255, 0.1);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgba(100, 100, 255, 0.15);
}

/* --- Global Resets & Typography --- */
html, body {
    height: 100%;
    font-family: var(--font-body);
    background-color: var(--bg-body);
    color: var(--text-main);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-weight: 600;
    letter-spacing: -0.02em;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--color-accent);
}

/* --- Layout Utilities --- */
.font-heading { font-family: var(--font-heading); }
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.text-secondary { color: var(--text-muted) !important; }

/* --- Components --- */

/* Glass Navbar */
.glass-nav {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: -0.03em;
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    transition: all 0.2s;
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem !important;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main) !important;
    background: rgba(255, 255, 255, 0.05);
}

/* Footer */
.glass-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-glass) !important;
    padding: 2rem 0;
    margin-top: auto; /* Push to bottom */
}

/* Buttons */
.btn {
    font-family: var(--font-heading);
    font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 0.6rem 1.2rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.02em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border: none;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
}

.btn-outline-light {
    border-color: var(--border-glass);
    color: var(--text-main);
    background: rgba(255,255,255,0.05);
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-1px);
    border-color: var(--text-main);
}

/* Cards (Glass) */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(255,255,255,0.2);
}

/* --- Hero Section Helpers --- */
.hero-gradient-bg {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 60%;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.25) 0%, rgba(15, 23, 42, 0) 70%);
    z-index: -1;
    pointer-events: none;
}