/* ========================================================
   AEFONIQ DIGITAL - PROFESSIONAL LIGHT STUDIO DESIGN SYSTEM
   ======================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
    /* Professional Light Studio Palette */
    --bg-light: #FAF8F5;
    --bg-surface: #FFFFFF;
    --bg-card: #FFFFFF;
    
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    
    /* Professional Sapphire Accent */
    --accent-blue: #1E40AF;
    --accent-dark: #0F172A;
    --accent-light: rgba(30, 64, 175, 0.08);
    --accent-border: rgba(30, 64, 175, 0.2);
    
    --border-subtle: #E2E8F0;
    --border-strong: #CBD5E1;
    
    --font-headline: 'Space Grotesk', sans-serif;
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    
    --shadow-studio: 0 10px 30px rgba(15, 23, 42, 0.05);
    --shadow-hover: 0 16px 40px rgba(15, 23, 42, 0.12);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-light);
    color: var(--text-primary);
}

body {
    font-family: var(--font-sans);
    color: var(--text-secondary);
    background-color: var(--bg-light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
}

/* Typography Utility Classes */
h1, h2, h3, h4, h5, h6, .font-headline {
    font-family: var(--font-headline);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.font-mono {
    font-family: var(--font-mono);
}

/* Light Studio Node-Grid Background */
.studio-light-bg {
    background-color: var(--bg-light);
    background-image: 
        linear-gradient(to right, rgba(203, 213, 225, 0.4) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(203, 213, 225, 0.4) 1px, transparent 1px);
    background-size: 36px 36px;
}

/* Gradient Accent Text */
.text-sapphire-gradient {
    background: linear-gradient(135deg, #0F172A 0%, #1E40AF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Custom Studio Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-light);
}
::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* Restrained Motion: Single Scroll-Reveal Animation */
@media (prefers-reduced-motion: no-preference) {
    .reveal-on-scroll {
        opacity: 0;
        transform: translateY(18px);
        transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        will-change: opacity, transform;
    }
    .reveal-on-scroll.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}