/* ================================================
   THEME: Clean Professional Light
   White background, refined typography, subtle accent
   "Serious consultant" energy
   ================================================ */

:root {
    /* Core palette - clean whites and greys */
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-card: #ffffff;
    --color-bg-elevated: #f1f5f9;
    
    /* Text colours */
    --color-text: #334155;
    --color-text-muted: #64748b;
    --color-text-bright: #0f172a;
    
    /* Primary accent - sophisticated teal */
    --color-primary: #0d9488;
    --color-primary-dark: #0f766e;
    --color-primary-light: #14b8a6;
    --color-primary-glow: rgba(13, 148, 136, 0.1);
    
    /* Tech accent - same as primary for unified look */
    --color-tech: #0d9488;
    --color-tech-dark: #0f766e;
    --color-tech-light: #14b8a6;
    --color-tech-glow: rgba(13, 148, 136, 0.1);
    
    /* Music accent - warm slate */
    --color-music: #475569;
    --color-music-dark: #334155;
    --color-music-light: #64748b;
    --color-music-glow: rgba(71, 85, 105, 0.1);
    
    /* Gradient - subtle and professional */
    --gradient-blend: linear-gradient(135deg, var(--color-primary) 0%, #0891b2 100%);
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    
    /* Borders */
    --color-border: #e2e8f0;
    --color-border-strong: #cbd5e1;
    
    /* Typography - IBM Plex for that professional tech feel */
    --font-display: 'IBM Plex Serif', Georgia, serif;
    --font-heading: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', 'Fira Code', monospace;
    
    /* Shadows - softer for light theme */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-primary: 0 4px 14px rgba(13, 148, 136, 0.15);
    --shadow-tech: 0 4px 14px rgba(13, 148, 136, 0.15);
    --shadow-music: 0 4px 14px rgba(71, 85, 105, 0.15);
    
    /* Theme-specific */
    --header-bg: rgba(255, 255, 255, 0.95);
    --hero-overlay: rgba(255, 255, 255, 0.1);
}

/* Light theme header contrast fixes */
.site-header {
    background: var(--header-bg);
    border-bottom: 1px solid var(--color-border);
}

.logo-text {
    color: var(--color-text-bright);
}

.nav-link {
    color: var(--color-text);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-bright);
}

/* Light theme specific overrides */
.hero-bg::before {
    background: radial-gradient(ellipse at center, rgba(13, 148, 136, 0.08), transparent 60%);
}

.hero-bg::after {
    background: radial-gradient(ellipse at center, rgba(71, 85, 105, 0.06), transparent 60%);
}

.hero-grid {
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}

.site-header {
    border-bottom-color: var(--color-border);
}

.hero-intro::before {
    background: var(--color-primary);
}

.section-label::before {
    background: currentColor;
}