/* =============================================================
   base.css — Grundgerüst: Reset, Seitenrahmen, Kopf- und Fußzeile
   ============================================================= */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg-void);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 650;
  line-height: var(--lh-tight);
  letter-spacing: -.015em;
  margin: 0 0 var(--s-3);
}

p { margin: 0 0 var(--s-4); }

a {
  color: var(--accent-bright);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease-out);
}
a:hover { color: var(--accent-pale); }

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

::selection {
  background: rgba(139, 92, 246, .3);
  color: #fff;
}

/* Sichtbarer Fokus – nur bei Tastaturbedienung */
:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

/* Scrollbalken im Stil der Seite */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, .18) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, .16);
  border-radius: var(--r-pill);
  border: 3px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background-color: rgba(255, 255, 255, .28); background-clip: content-box; }

.skip-link {
  position: fixed;
  top: -100px;
  left: var(--s-4);
  z-index: 200;
  padding: var(--s-3) var(--s-5);
  background: var(--accent-deep);
  color: #fff;
  border-radius: var(--r-sm);
  transition: top var(--t-base) var(--ease-out);
}
.skip-link:focus { top: var(--s-4); }

.view { position: relative; z-index: var(--z-content); }
.view:focus { outline: none; }

/* -------------------------------------------------------------
   Hintergrund-Textur
   Nur eine feine Körnung gegen Farbbanding in den dunklen Flächen.
   Statisch, kein Filter, keine Animation.
   ------------------------------------------------------------- */
.bg-fx {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
  /* Ein einziger, sehr dezenter Verlauf von oben. Er sitzt auf dieser
     fest positionierten Ebene statt auf dem Body – "background-attachment:
     fixed" würde den Browser bei jedem Scrollschritt neu rechnen lassen. */
  background:
    radial-gradient(120% 70% at 50% -10%, #14121C 0%, var(--bg-deep) 42%, var(--bg-void) 100%);
}
.bg-fx__aurora { display: none; }   /* bewusst entfernt: zu teuer, zu bunt */

.bg-fx__grain {
  position: absolute;
  inset: 0;
  opacity: .022;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* -------------------------------------------------------------
   Kopfzeile
   ------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  transition: background var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out);
  border-bottom: 1px solid transparent;
  background: linear-gradient(to bottom, rgba(10, 10, 12, .8), rgba(10, 10, 12, 0));
}
/* Deckende Farbe statt backdrop-filter: sieht praktisch gleich aus,
   kostet beim Scrollen aber nichts. */
.site-header.is-stuck {
  background: rgba(11, 11, 14, .96);
  border-bottom-color: var(--line);
}
.site-header.is-hidden { transform: translateY(-100%); }

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  padding: var(--s-4) var(--gutter);
  max-width: 2000px;
  margin: 0 auto;
}

.site-header__progress {
  height: 2px;
  background: rgba(255, 255, 255, .03);
}
/* Lesefortschritt in der Aktionsfarbe – der einzige rote Strich,
   der dauerhaft sichtbar ist. */
.site-header__progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--red);
  transition: width 90ms linear;
}

/* Das Logo trägt selbst schon viel Detail und beide Akzentfarben.
   Die Wortmarke daneben bleibt deshalb bewusst ruhig und klein. */
.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--text);
  flex: 0 0 auto;
}
.brand:hover { color: var(--text); }

.brand__mark {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 50%;
  transition: transform var(--t-base) var(--ease-out),
              filter var(--t-base) var(--ease-out);
}
.brand:hover .brand__mark {
  transform: scale(1.06);
  filter: drop-shadow(0 0 9px rgba(139, 92, 246, .45))
          drop-shadow(0 0 9px rgba(214, 40, 57, .35));
}

.brand__text { display: grid; line-height: 1; }
.brand__text b {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--text);
}
.brand__text i {
  font-style: normal;
  font-size: .62rem;
  letter-spacing: .14em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin-top: 4px;
}

@media (max-width: 640px) {
  .brand__mark { width: 34px; height: 34px; }
  .brand__text b { font-size: 1.05rem; }
}

.site-nav {
  display: flex;
  gap: var(--s-5);
  margin-right: auto;
}
.site-nav a {
  position: relative;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  letter-spacing: .03em;
  padding: var(--s-2) 0;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base) var(--ease-out);
}
.site-nav a:hover { color: var(--text); }
.site-nav a:hover::after,
.site-nav a.is-active::after { transform: scaleX(1); }
.site-nav a.is-active { color: var(--text); }

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex: 0 0 auto;
}

.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-3);
  color: var(--text-muted);
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line-neutral);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out);
}
.icon-btn:hover {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, .07);
}
.icon-btn__kbd {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .06em;
  color: var(--text-faint);
  border: 1px solid var(--line-neutral);
  border-radius: var(--r-xs);
  padding: 1px 5px;
}
@media (max-width: 900px) { .icon-btn__kbd { display: none; } }

.badge-dot {
  position: absolute;
  top: -5px; right: -5px;
  min-width: 17px;
  height: 17px;
  padding: 0 5px;
  display: grid;
  place-items: center;
  font-size: .64rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border-radius: var(--r-pill);
}

@media (max-width: 780px) {
  .site-nav { gap: var(--s-4); font-size: .82rem; }
  .site-nav a[data-nav="kategorien"] { display: none; }
  .brand__text i { display: none; }
}
@media (max-width: 520px) {
  .site-header__inner { gap: var(--s-3); padding: var(--s-3) var(--gutter); }
  .site-nav a[data-nav="neu"] { display: none; }
}

/* -------------------------------------------------------------
   Fußzeile
   ------------------------------------------------------------- */
.site-footer {
  position: relative;
  z-index: var(--z-content);
  margin-top: var(--s-9);
  padding: var(--s-8) var(--gutter) var(--s-7);
  border-top: 1px solid var(--line);
}
.site-footer__inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  gap: var(--s-5);
}
.site-footer__brand b {
  font-family: var(--font-display);
  letter-spacing: .1em;
  color: var(--text);
}
.site-footer__brand p {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  margin: var(--s-2) 0 0;
  max-width: 46ch;
}
.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-5);
  font-size: var(--fs-sm);
}
.site-footer__links a { color: var(--text-muted); }
.site-footer__links a:hover { color: var(--text); }
.site-footer__note {
  color: var(--text-faint);
  font-size: var(--fs-xs);
  margin: 0;
}

/* -------------------------------------------------------------
   Ladezustand beim Start
   ------------------------------------------------------------- */
.boot {
  min-height: 70vh;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: var(--s-4);
  color: var(--text-muted);
}
.boot__spinner {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .1);
  border-top-color: var(--accent);
  animation: spin 900ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.noscript {
  position: relative;
  z-index: var(--z-content);
  margin: 120px auto;
  max-width: 60ch;
  padding: var(--s-6);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

/* -------------------------------------------------------------
   Kleine Helfer
   ------------------------------------------------------------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Sanftes Einblenden beim Hereinscrollen (IntersectionObserver setzt .is-in) */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}