/* ============================================================
   LUMEXI – BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

/* Extrem dezentes Grain – gibt Tiefe ohne Schleier */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.04;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='128' height='128'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, svg, video { max-width: 100%; display: block; }

h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 700; letter-spacing: var(--tracking-tight); line-height: 1.08; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; }

::selection { background: rgba(139, 157, 255, 0.35); color: #fff; }

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: 4px;
}

::placeholder { color: var(--color-text-faint); }

/* Layout */
.container {
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

section { position: relative; padding-block: var(--spacing-section); }

.skip-link {
    position: absolute;
    top: -100px;
    left: var(--container-pad);
    z-index: 2000;
    padding: 0.75rem 1.25rem;
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-small);
    color: var(--color-text);
    font-size: var(--fs-small);
    transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* Section-Köpfe */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--fs-tiny);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-accent);
    font-weight: 600;
    margin: 0 0 1rem;
}
.eyebrow::before {
    content: "";
    width: 20px;
    height: 1px;
    background: var(--color-accent);
    opacity: 0.6;
}

.section-title {
    font-size: var(--fs-h1);
    color: var(--color-text);
    margin: 0 0 1.25rem;
}
.section-title em {
    font-style: normal;
    background: linear-gradient(100deg, var(--color-accent) 10%, var(--color-accent-2) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.section-head { max-width: 640px; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.section-head p.lead { color: var(--color-text-muted); font-size: 1.0625rem; }

/* Code-Inline im Fließtext */
code.inline {
    font-family: var(--font-code);
    font-size: 0.85em;
    background: rgba(139, 157, 255, 0.1);
    border: 1px solid rgba(139, 157, 255, 0.18);
    padding: 0.1em 0.45em;
    border-radius: 6px;
    color: #b9c2ff;
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--color-background); }
::-webkit-scrollbar-thumb { background: #23273a; border-radius: 999px; border: 2px solid var(--color-background); }
::-webkit-scrollbar-thumb:hover { background: #2e3450; }

/* Text-Auswahl nur für echten Inhalt */
code, pre { -webkit-user-select: text; user-select: text; }