/* ARGUS - Microsite
   Ein einziges Stylesheet. Keine externen Schriften, keine CDNs,
   keine Skripte, keine Netzwerkanfragen. */

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

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

:root {
  --bg:           #04070c;
  --bg-elev:      #070c14;
  --panel:        rgba(255, 255, 255, 0.022);
  --panel-hover:  rgba(255, 255, 255, 0.045);
  --line:         rgba(120, 195, 225, 0.14);
  --line-strong:  rgba(120, 205, 235, 0.34);
  --text:         #dfe8f2;
  --text-dim:     #97a8bc;
  --text-faint:   #6d7f94;
  --accent:       #54d6ea;
  --accent-dim:   rgba(84, 214, 234, 0.55);
  --accent-wash:  rgba(84, 214, 234, 0.07);
  --radius:       3px;
  --maxw:         1080px;
  --gutter:       clamp(1.25rem, 5vw, 3rem);
  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "SF Mono",
          "Roboto Mono", Menlo, monospace;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Ruhiger HUD-Untergrund: ein feines Raster plus zwei weiche
   Lichtquellen. Rein dekorativ. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 620px at 12% -8%, rgba(84, 214, 234, 0.10), transparent 62%),
    radial-gradient(760px 560px at 92% 4%, rgba(70, 130, 220, 0.09), transparent 60%),
    linear-gradient(180deg, var(--bg-elev) 0%, var(--bg) 46%);
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(130, 200, 230, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130, 200, 230, 0.032) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
  mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
  pointer-events: none;
}

/* ---------- Grundelemente ---------- */

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(84, 214, 234, 0.3);
  transition: color 0.18s ease, border-color 0.18s ease;
}

a:hover,
a:focus-visible {
  color: #9beaf6;
  border-bottom-color: #9beaf6;
}

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

h1, h2, h3 {
  line-height: 1.2;
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1.05rem; }
p:last-child { margin-bottom: 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #04070c;
  padding: 0.6rem 1.1rem;
  border: 0;
  z-index: 100;
  font-weight: 600;
}

.skip-link:focus { left: 0.5rem; top: 0.5rem; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent-dim);
}

.lede {
  font-size: clamp(1rem, 0.96rem + 0.35vw, 1.15rem);
  color: var(--text-dim);
  max-width: 62ch;
}

/* ---------- Kopfzeile ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(4, 7, 12, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  border: 0;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.2em;
  font-size: 0.92rem;
}

.brand:hover { color: var(--text); }
.brand .mark { flex: none; }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 3vw, 1.9rem);
  font-size: 0.85rem;
}

.site-nav a {
  color: var(--text-dim);
  border-bottom: 0;
  letter-spacing: 0.05em;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--accent); }

/* ---------- Hero ---------- */

.hero {
  padding: clamp(3.5rem, 11vw, 7.5rem) 0 clamp(2.5rem, 7vw, 4.5rem);
  border-bottom: 1px solid var(--line);
}

.hero-mark {
  display: block;
  margin-bottom: 1.8rem;
  animation: iris-breathe 7s ease-in-out infinite;
}

@keyframes iris-breathe {
  0%, 100% { opacity: 0.9; }
  50%      { opacity: 0.55; }
}

.hero h1 {
  font-size: clamp(3.1rem, 13vw, 7rem);
  font-weight: 300;
  letter-spacing: clamp(0.1em, 1.4vw, 0.22em);
  margin: 0 0 0.9rem;
  color: #f2f7fc;
  text-shadow: 0 0 44px rgba(84, 214, 234, 0.22);
}

.hero .tagline {
  font-family: var(--mono);
  font-size: clamp(0.72rem, 2.4vw, 0.88rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.9rem;
}

.hero .lede { font-size: clamp(1.02rem, 0.95rem + 0.5vw, 1.2rem); }

.status-pill {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin-top: 2rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--accent-wash);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.status-pill .dot {
  flex: none;
  width: 6px;
  height: 6px;
  /* an der ersten Zeile ausrichten, falls der Text umbricht */
  margin-top: 0.62em;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* ---------- Abschnitte ---------- */

.section {
  padding: clamp(3rem, 8vw, 5rem) 0;
  border-bottom: 1px solid var(--line);
}

.section:last-of-type { border-bottom: 0; }

.section h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.3vw, 2.05rem);
  margin-bottom: 1.1rem;
  font-weight: 500;
}

.section h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: #eaf2f9;
}

/* ---------- Karten ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 1px;
  margin-top: 2.4rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  position: relative;
  background: var(--bg);
  padding: 1.5rem 1.4rem;
  transition: background 0.2s ease;
}

.card:hover { background: var(--panel-hover); }

.card .idx {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--accent-dim);
  margin-bottom: 0.7rem;
}

.card h3 { margin-bottom: 0.45rem; }

.card p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.62;
  margin: 0;
}

/* ---------- Panel mit HUD-Ecken ---------- */

.panel {
  position: relative;
  margin-top: 2.2rem;
  padding: clamp(1.5rem, 4vw, 2.4rem);
  background: var(--panel);
  border: 1px solid var(--line);
}

.panel::before,
.panel::after {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  border: 1px solid var(--line-strong);
  pointer-events: none;
}

.panel::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.panel::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.panel h3 { margin-bottom: 0.8rem; }
.panel p { color: var(--text-dim); font-size: 0.95rem; }

/* ---------- Listen ---------- */

.check-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.check-list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--accent);
  transform: rotate(45deg);
}

.check-list li strong { color: var(--text); font-weight: 600; }

/* ---------- Handlungsaufforderung ---------- */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.72rem 1.4rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--accent-wash);
  color: var(--text);
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn:hover,
.btn:focus-visible {
  background: rgba(84, 214, 234, 0.15);
  border-color: var(--accent);
  color: #ffffff;
}

.btn .arrow { color: var(--accent); }

/* ---------- Fliesstext (Datenschutz) ---------- */

.prose { max-width: 74ch; }

.prose h2 {
  font-size: clamp(1.25rem, 1.1rem + 0.7vw, 1.55rem);
  font-weight: 500;
  margin: 3rem 0 0.9rem;
  padding-top: 0.4rem;
  scroll-margin-top: 84px;
}

.prose h2:first-of-type { margin-top: 1.5rem; }

.prose h3 {
  font-size: 1rem;
  margin: 1.9rem 0 0.55rem;
  color: #eaf2f9;
}

.prose p,
.prose li { color: var(--text-dim); }

.prose ul {
  margin: 0 0 1.1rem;
  padding-left: 1.15rem;
}

.prose li { margin-bottom: 0.45rem; }
.prose li::marker { color: var(--accent-dim); }
.prose strong { color: var(--text); font-weight: 600; }

code {
  font-family: var(--mono);
  font-size: 0.83em;
  padding: 0.12em 0.42em;
  background: rgba(84, 214, 234, 0.09);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #b6e9f4;
  word-break: break-all;
}

.note {
  margin: 1.6rem 0;
  padding: 1.15rem 1.35rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
}

.note p { margin-bottom: 0.7rem; font-size: 0.93rem; }
.note p:last-child { margin-bottom: 0; }

/* ---------- Tabelle ---------- */

.table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0 1.8rem;
  border: 1px solid var(--line);
}

table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th, td {
  text-align: left;
  padding: 0.72rem 0.95rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

thead th {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(84, 214, 234, 0.05);
  white-space: nowrap;
}

tbody tr:last-child td { border-bottom: 0; }

td { color: var(--text-dim); }
td code { white-space: nowrap; }

/* ---------- Inhaltsverzeichnis ---------- */

.toc {
  margin: 2rem 0 0;
  padding: 1.3rem 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
}

.toc h2 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.9rem;
  font-weight: 600;
}

.toc ol {
  margin: 0;
  padding-left: 1.3rem;
  columns: 2;
  column-gap: 2rem;
  font-size: 0.88rem;
}

.toc li {
  margin-bottom: 0.4rem;
  break-inside: avoid;
}

.toc li::marker { color: var(--text-faint); }
.toc a { border-bottom: 0; color: var(--text-dim); }
.toc a:hover { color: var(--accent); }

/* ---------- Seitenkopf Unterseite ---------- */

.page-head {
  padding: clamp(2.5rem, 7vw, 4.5rem) 0 clamp(1.5rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
}

.page-head h1 {
  font-size: clamp(1.9rem, 1.4rem + 2.2vw, 2.9rem);
  font-weight: 400;
  letter-spacing: 0.01em;
  margin-bottom: 0.9rem;
}

.meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ---------- Fusszeile ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.6rem 0 3rem;
  margin-top: clamp(2rem, 6vw, 4rem);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem 2rem;
}

.footer-brand {
  font-weight: 600;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  color: var(--text);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  font-size: 0.85rem;
}

.footer-nav a { color: var(--text-dim); border-bottom: 0; }
.footer-nav a:hover { color: var(--accent); }

.copyright {
  width: 100%;
  font-size: 0.78rem;
  color: var(--text-faint);
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
  margin: 0;
}

/* ---------- Bewegung reduzieren ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- Schmale Ansicht ---------- */

@media (max-width: 620px) {
  .toc ol { columns: 1; }
  .hero h1 { letter-spacing: 0.08em; }
  .site-header .wrap { min-height: 58px; }
  .brand { font-size: 0.82rem; letter-spacing: 0.16em; }
  .site-nav { font-size: 0.8rem; }
}

/* ---------- Druck ---------- */

@media print {
  body { background: #fff; color: #000; }
  body::before,
  body::after { display: none; }
  .site-header,
  .site-footer,
  .toc,
  .actions { display: none; }
  a { color: #000; }
}