:root {
    /* Colors - Cool Blue Theme */
    --bg-body: #F8F9FA;
    --bg-surface: #FFFFFF;
    --bg-surface-alt: #F1F5F9;

    --text-main: #1E293B;
    --text-secondary: #475569;
    --text-muted: #94A3B8;

    --primary: #2563EB;
    /* Royal Blue */
    --primary-dark: #1D4ED8;
    --primary-light: #60A5FA;

    --accent: #7C3AED;
    /* Soft Purple */
    --accent-light: #A78BFA;

    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);

    /* Spacing */
    --container-width: 1200px;
    --header-height: 80px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.25);
}

.btn-secondary {
    background: white;
    color: var(--text-main);
    border: 1px solid #E2E8F0;
}

.btn-secondary:hover {
    background: var(--bg-surface-alt);
    border-color: #CBD5E1;
}