/* ==========================================================================
   Liberum / TempleCore Design System — Variables & Base Typography
   Eye-friendly matte dark palette, zero fluorescent/neon colors, zero glow fatigue
   ========================================================================== */

:root {
    --bg-primary: #0b0c0e;
    --bg-surface: #121418;
    --bg-elevated: #171a20;
    --border-subtle: #22262f;
    --border-hover: #323846;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --liberum-red: #c81e1e;
    --liberum-red-hover: #a81818;
    --liberum-red-muted: rgba(200, 30, 30, 0.12);
    --status-valid: #2e7d32;
    --status-error: #c81e1e;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* Responsive fluid typography */
.hero-title {
    font-size: clamp(2.1rem, 1.2rem + 4.2vw, 3.75rem);
    line-height: 1.15;
}

.hero-subtitle {
    font-size: clamp(0.95rem, 0.85rem + 0.4vw, 1.125rem);
    line-height: 1.6;
}

/* Subtle technical grid background */
.tech-grid-bg {
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 32px 32px;
}