/* ============================================================================
   VEM Safety – Site Core (Design-System v2)
   Zeitlos, ruhig, hell als Standard. Wird von js/components/header.js auf
   allen Seiten geladen. Enthält: Tokens, Schrift, Buttons, Header.
   ============================================================================ */

@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/inter-v20-latin-regular.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/inter-v20-latin-500.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/inter-v20-latin-600.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 700; font-display: swap; src: url('../fonts/inter-v20-latin-700.woff2') format('woff2'); }

/* ---------- Tokens: Hell (Standard) ---------- */
:root {
    --vs-font: 'Inter', 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;

    --vs-bg: #fafaf8;
    --vs-surface: #ffffff;
    --vs-subtle: #f2f2ee;
    --vs-border: #e4e4de;
    --vs-border-strong: #cfcfc7;
    --vs-text: #0f1b2d;
    --vs-muted: #5a6473;
    --vs-faint: #8a929e;

    --vs-primary: #0f1b2d;          /* Navy – Haupt-Buttons, Überschriften */
    --vs-primary-text: #ffffff;
    --vs-primary-hover: #22324a;
    --vs-accent: #e8962a;           /* Safety-Orange – sparsam einsetzen */
    --vs-accent-hover: #d4841b;
    --vs-accent-text: #0f1b2d;
    --vs-link: #1d4f91;

    --vs-radius-sm: 6px;
    --vs-radius: 10px;
    --vs-radius-lg: 14px;
    --vs-shadow: 0 1px 2px rgba(15, 27, 45, 0.04), 0 8px 24px rgba(15, 27, 45, 0.06);
    --vs-shadow-lg: 0 2px 4px rgba(15, 27, 45, 0.04), 0 24px 48px rgba(15, 27, 45, 0.10);

    --vs-container: 1200px;
    --vs-gutter: clamp(1.25rem, 4vw, 2rem);
    --vs-header-h: 68px;
}

/* ---------- Tokens: Dunkel (optional) ---------- */
html:not([data-theme="light"]) {
    --vs-bg: #0e131a;
    --vs-surface: #151c26;
    --vs-subtle: #121821;
    --vs-border: #243041;
    --vs-border-strong: #33425a;
    --vs-text: #e9edf3;
    --vs-muted: #a3adbb;
    --vs-faint: #7b8696;

    --vs-primary: #e9edf3;
    --vs-primary-text: #0e131a;
    --vs-primary-hover: #ffffff;
    --vs-link: #8fb8ee;
    --vs-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
    --vs-shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.3), 0 24px 48px rgba(0, 0, 0, 0.35);
}

/* ---------- Layout-Helfer ---------- */
.site-container {
    width: 100%;
    max-width: var(--vs-container);
    margin: 0 auto;
    padding: 0 var(--vs-gutter);
    box-sizing: border-box;
}

/* ---------- Buttons ---------- */
.site-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 44px;
    padding: 0 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--vs-radius-sm);
    font-family: var(--vs-font);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    box-shadow: none;
}
.site-btn:focus-visible { outline: 2px solid var(--vs-accent); outline-offset: 2px; }
.site-btn--primary { background: var(--vs-primary); color: var(--vs-primary-text); }
.site-btn--primary:hover { background: var(--vs-primary-hover); color: var(--vs-primary-text); }
.site-btn--accent { background: var(--vs-accent); color: var(--vs-accent-text); }
.site-btn--accent:hover { background: var(--vs-accent-hover); color: var(--vs-accent-text); }
.site-btn--ghost { background: transparent; color: var(--vs-text); border-color: var(--vs-border-strong); }
.site-btn--ghost:hover { border-color: var(--vs-text); color: var(--vs-text); }
.site-btn--sm { min-height: 38px; padding: 0 1rem; font-size: 0.875rem; }

/* ============================================================================
   HEADER
   ============================================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--vs-header-h);
    background: var(--vs-bg);
    border-bottom: 1px solid transparent;
    font-family: var(--vs-font);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}
.site-header--scrolled { border-bottom-color: var(--vs-border); }

.site-header__inner {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    height: 100%;
}

.site-header__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    color: var(--vs-text);
    text-decoration: none;
    font-size: 1.0625rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}
.site-header__brand img { display: block; height: 30px; width: auto; }
html:not([data-theme="light"]) .site-header__brand img { filter: invert(1) hue-rotate(180deg); }
.site-header__brand-sub { color: var(--vs-muted); font-weight: 500; }

.site-header__nav { flex: 1; display: flex; align-items: center; }

.site-header__menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
}
.site-header__menu > li { margin: 0; padding: 0; }
.site-header__menu > li[hidden] { display: none !important; }

.site-header .site-header__link {
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding: 0 0.75rem;
    border: 0;
    border-radius: var(--vs-radius-sm);
    background: none;
    color: var(--vs-muted);
    font-family: var(--vs-font);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: color 0.15s ease, background-color 0.15s ease;
}
.site-header .site-header__link:hover { color: var(--vs-text); }
.site-header .site-header__link[aria-current="page"] { color: var(--vs-text); }

.site-header__spacer { flex: 1; }

/* Sprache + Theme */
.site-header__utils { display: flex; align-items: center; gap: 0.25rem; }
.site-header__lang {
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding: 0 0.5rem;
    color: var(--vs-faint);
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.02em;
}
.site-header__lang:hover { color: var(--vs-text); }
.site-header__lang.is-active { color: var(--vs-text); }
.site-header__lang + .site-header__lang { padding-left: 0.5rem; border-left: 1px solid var(--vs-border); height: 14px; }

.site-header__theme {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 0;
    border-radius: var(--vs-radius-sm);
    background: none;
    color: var(--vs-muted);
    cursor: pointer;
}
.site-header__theme:hover { color: var(--vs-text); background: var(--vs-subtle); }
.site-header__theme svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.site-header__theme .is-sun { display: none; }
html:not([data-theme="light"]) .site-header__theme .is-sun { display: block; }
html:not([data-theme="light"]) .site-header__theme .is-moon { display: none; }

/* Konto */
.site-header__account {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    height: 38px;
    padding: 0 0.5rem;
    border-radius: var(--vs-radius-sm);
    color: var(--vs-text);
    text-decoration: none;
    font-size: 0.875rem;
}
.site-header__account:hover { background: var(--vs-subtle); }
.site-header__avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--vs-primary);
    color: var(--vs-primary-text);
    font-size: 0.75rem;
    font-weight: 600;
}
.site-header__account-meta,
.site-header__account-role {
    position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* Mobile-Toggle */
.site-header__toggle {
    display: none;
    margin-left: auto;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--vs-border);
    border-radius: var(--vs-radius-sm);
    background: var(--vs-surface);
    color: var(--vs-text);
    cursor: pointer;
}
.site-header__toggle span,
.site-header__toggle span::before,
.site-header__toggle span::after {
    display: block;
    width: 18px;
    height: 1.5px;
    margin: 0 auto;
    background: currentColor;
    position: relative;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.site-header__toggle span::before,
.site-header__toggle span::after { content: ''; position: absolute; left: 0; }
.site-header__toggle span::before { top: -6px; }
.site-header__toggle span::after { top: 6px; }
.site-header__toggle[aria-expanded="true"] span { background: transparent; }
.site-header__toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); background: var(--vs-text); }
.site-header__toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); background: var(--vs-text); }

@media (max-width: 1024px) {
    .site-header__inner { gap: 0; }
    .site-header__toggle { display: inline-block; }
    .site-header__nav { flex: 0 0 0; }
    .site-header__menu {
        display: none;
        position: absolute;
        top: var(--vs-header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.75rem var(--vs-gutter) 1.25rem;
        background: var(--vs-bg);
        border-bottom: 1px solid var(--vs-border);
        box-shadow: var(--vs-shadow);
        max-height: calc(100vh - var(--vs-header-h));
        overflow-y: auto;
    }
    .site-header__menu.active { display: flex; }
    .site-header .site-header__link { width: 100%; height: 46px; padding: 0; font-size: 1rem; border-bottom: 1px solid var(--vs-border); border-radius: 0; }
    .site-header__spacer { display: none; }
    .site-header__utils { padding: 0.75rem 0; }
    .site-header__account { padding: 0; }
    .site-header__cta { padding-top: 0.75rem; }
    .site-header__cta .site-btn { width: 100%; }
}

/* Alte, global eingeblendete Effekte ausblenden */
.global-thermo-flashlight,
.site-watermark { display: none !important; }

@media (prefers-reduced-motion: reduce) {
    .site-header, .site-btn, .site-header__toggle span { transition: none; }
}

/* ============================================================================
   FOOTER
   ============================================================================ */
.site-footer {
    padding: 4rem 0 2rem;
    background: var(--vs-bg);
    border-top: 1px solid var(--vs-border);
    color: var(--vs-muted);
    font-family: var(--vs-font);
    font-size: 0.9375rem;
}
.site-footer__grid { display: grid; grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr)); gap: 2.5rem; }
.site-footer__brand img { display: block; height: 28px; width: auto; margin-bottom: 1rem; }
html:not([data-theme="light"]) .site-footer__brand img { filter: invert(1) hue-rotate(180deg); }
.site-footer__brand p { max-width: 22rem; margin: 0; line-height: 1.6; }
.site-footer h3 { margin: 0 0 1rem; color: var(--vs-text); font-size: 0.875rem; font-weight: 600; letter-spacing: 0; text-transform: none; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: 0 0 0.625rem; }
.site-footer a { color: var(--vs-muted); text-decoration: none; }
.site-footer a:hover { color: var(--vs-text); }
.site-footer address { font-style: normal; line-height: 1.8; }
.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--vs-border);
    color: var(--vs-faint);
    font-size: 0.8125rem;
}
.site-footer__bottom nav { display: flex; gap: 1.5rem; }
@media (max-width: 860px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } .site-footer__brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .site-footer__grid { grid-template-columns: 1fr; } }

.slide-submit__handle { touch-action: none; }