/* CGS IT Schulungen — gemeinsames Stylesheet aller Seiten.
   CI: CGS-Blau #5489BF, CGS-Grau #666666, flache Flächen ohne runde Ecken (wie die Kurs-Decks).
   Bernstein (--gate) ist ausschließlich für "Gates" reserviert: die Stellen, an denen ein Mensch
   freigibt. Nirgends sonst verwenden, sonst verliert das Zeichen seine Bedeutung. */

/* Schriften: Archivo und JetBrains Mono, SIL Open Font License 1.1, aus @fontsource-variable 5.3.0 (jsDelivr), selbst gehostet. */
@font-face {
  font-family: "Archivo Variable";
  src: url("fonts/archivo-variable.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono Variable";
  src: url("fonts/jetbrains-mono-variable.woff2") format("woff2-variations");
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --tinte: #14273B;
  --tinte-2: #1C3550;
  --terminal: #0D1B2A;
  --blau: #5489BF;
  --blau-tief: #3F678F;
  --blau-hell: #A9C6E3;
  --grau: #666666;
  --flaeche: #EEF2F6;
  --linie: #D3DCE6;
  --text: #1A2330;
  --gate: #E5A13A;
  --schrift: "Archivo Variable", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono Variable", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --breite: 1120px;
  --rand: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--schrift);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: #fff;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blau-tief); text-underline-offset: 0.18em; }
a:hover { color: var(--tinte); }
:focus-visible { outline: 3px solid var(--blau); outline-offset: 3px; }
.dunkel :focus-visible { outline-color: #fff; }

.inner { max-width: var(--breite); margin: 0 auto; padding: 0 var(--rand); }
@media (min-width: 720px) { :root { --rand: 32px; } }

/* ---------- Typografie ---------- */
h1, h2, h3 { font-family: var(--schrift); margin: 0; color: inherit; }
h1 {
  font-size: clamp(2.4rem, 6.2vw, 4.4rem);
  font-stretch: 118%;
  font-weight: 780;
  line-height: 1.02;
  letter-spacing: -0.015em;
}
h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-stretch: 112%;
  font-weight: 740;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
h3 { font-size: 1.2rem; font-weight: 680; line-height: 1.3; }
p { margin: 0 0 1em; }
.kicker {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blau-tief);
  margin: 0 0 14px;
}
.dunkel .kicker { color: var(--blau-hell); }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.5; max-width: 38em; }
.leise { color: var(--grau); }

/* ---------- Knöpfe ---------- */
.knopf {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  font-family: var(--schrift); font-size: 1rem; font-weight: 650; font-stretch: 108%;
  text-decoration: none; border: 2px solid transparent; line-height: 1.2;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.knopf-primaer { background: var(--blau-tief); color: #fff; }
.knopf-primaer:hover { background: var(--tinte); color: #fff; }
.knopf-rand { border-color: var(--blau-tief); color: var(--blau-tief); }
.knopf-rand:hover { background: var(--blau-tief); color: #fff; }
.dunkel .knopf-primaer { background: #fff; color: var(--tinte); }
.dunkel .knopf-primaer:hover { background: var(--blau-hell); color: var(--tinte); }
.dunkel .knopf-rand { border-color: rgba(255,255,255,0.55); color: #fff; }
.dunkel .knopf-rand:hover { background: #fff; color: var(--tinte); border-color: #fff; }
.knoepfe { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.pfeil::after { content: "→"; font-family: var(--mono); }

/* ---------- Kopfleiste ---------- */
.kopf { background: #fff; border-bottom: 1px solid var(--linie); }
.kopf .inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.marke { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.marke img { width: 38px; height: 38px; }
.marke-text { display: flex; flex-direction: column; line-height: 1.1; }
.marke-text strong { font-weight: 760; font-stretch: 115%; font-size: 1.05rem; letter-spacing: 0.01em; }
.marke-text span { font-family: var(--mono); font-size: 0.72rem; color: var(--grau); letter-spacing: 0.06em; text-transform: uppercase; }
.navi { display: flex; align-items: center; gap: 26px; }
.navi a:not(.knopf) { color: var(--text); text-decoration: none; font-weight: 550; font-size: 0.98rem; }
.navi a:not(.knopf):hover, .navi a[aria-current="page"] { color: var(--blau-tief); text-decoration: underline; }
.navi .knopf { padding: 10px 16px; font-size: 0.95rem; }
.navi a.sprache { font-family: var(--mono); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em;
                  border: 1px solid var(--linie); padding: 6px 8px; line-height: 1; }
.navi a.sprache:hover { border-color: var(--blau-tief); text-decoration: none; }
@media (max-width: 760px) { .navi a:not(.knopf):not(.sprache) { display: none; } .navi { gap: 14px; } }

/* ---------- Abschnitte ---------- */
.abschnitt { padding: clamp(56px, 8vw, 104px) 0; }
.abschnitt.anschluss { padding-top: 0; }
.titel-abstand { margin-bottom: 28px; }
.flaeche { background: var(--flaeche); }
.dunkel { background: var(--tinte); color: #fff; }
.dunkel a:not(.knopf) { color: #fff; }
.abschnitt-kopf { max-width: 44em; margin-bottom: 40px; }
.abschnitt-kopf p { margin-top: 14px; color: var(--grau); }

/* ---------- Hero ---------- */
.hero { padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 8vw, 104px); overflow: hidden; }
.hero .inner { display: grid; gap: 48px; align-items: center; }
@media (min-width: 980px) { .hero .inner { grid-template-columns: 1fr 1fr; gap: 56px; } }
.hero .lead { color: #D6E3F0; margin-top: 24px; }
.hero-marke { font-size: clamp(2.6rem, 6vw, 4.6rem); }
.hero-claim { margin: 22px 0 0; font-size: clamp(1.3rem, 2.4vw, 1.85rem); font-stretch: 110%; font-weight: 650;
              line-height: 1.2; color: var(--blau-hell); }

/* ---------- Signatur: Terminal mit Gate ---------- */
.terminal {
  background: var(--terminal);
  border: 1px solid #27425F;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.75;
  color: #C9D7E6;
  box-shadow: 18px 18px 0 0 rgba(84, 137, 191, 0.22);
}
.terminal-titel {
  display: flex; justify-content: space-between;
  padding: 8px 16px; border-bottom: 1px solid #27425F;
  font-size: 0.74rem; color: #7F98B3; letter-spacing: 0.04em;
}
.terminal-inhalt { padding: 18px 18px 22px; overflow-x: auto; }
.terminal .z { display: grid; grid-template-columns: 6.2em 1fr; column-gap: 8px; white-space: pre-wrap; }
.terminal .z.voll { display: block; }
.terminal .prompt { color: #7F98B3; }
.terminal .eingabe { color: #fff; }
.terminal .tag { color: var(--blau-hell); }
.terminal .ok::before { content: "✓ "; color: #7FC4A0; }
.terminal .gate { margin-top: 10px; padding-top: 10px; border-top: 1px dashed #2E4B69; }
.terminal .gate .tag { color: var(--gate); font-weight: 700; }
.terminal .gate .tag::before { content: "◆ "; }
.terminal .frage { color: #fff; }
.cursor { display: inline-block; width: 0.6em; height: 1.1em; vertical-align: -0.2em; background: var(--gate); margin-left: 4px; }
.terminal-notiz { font-family: var(--mono); font-size: 0.78rem; color: #8FA9C4; margin: 22px 0 0; }
.terminal-notiz b { color: var(--gate); font-weight: 600; }

@media (prefers-reduced-motion: no-preference) {
  .terminal .z { opacity: 0; animation: zeile 0.45s ease-out forwards; }
  .terminal .z:nth-child(1) { animation-delay: 0.2s; }
  .terminal .z:nth-child(2) { animation-delay: 0.9s; }
  .terminal .z:nth-child(3) { animation-delay: 1.7s; }
  .terminal .z:nth-child(4) { animation-delay: 2.3s; }
  .terminal .z:nth-child(5) { animation-delay: 2.9s; }
  .terminal .z:nth-child(6) { animation-delay: 3.7s; }
  .cursor { animation: blinken 1.1s steps(1) 4.2s infinite; }
  @keyframes zeile { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
  @keyframes blinken { 50% { opacity: 0; } }
}

/* ---------- Kurs-Kacheln ---------- */
.kurse { display: grid; gap: 16px; }
@media (min-width: 900px) { .kurse { grid-template-columns: 1.35fr 1fr; } }
.kurs {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--flaeche); border: 1px solid var(--linie); border-top: 4px solid var(--blau);
  padding: 28px; color: inherit; text-decoration: none;
  transition: border-color 0.15s, background-color 0.15s;
}
a.kurs:hover { border-color: var(--blau); background: #E6EDF4; }
.kurs-haupt { padding: clamp(28px, 4vw, 44px); }
.kurs-haupt h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-stretch: 112%; font-weight: 740; line-height: 1.12; }
.kurs.geplant { border-top-color: #A8B4C1; background: #fff; }
.kurs .status { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--blau-tief); }
.kurs.geplant .status { color: var(--grau); }
.kurs p { margin: 0; flex: 1; }
.kurs .mehr { font-weight: 650; color: var(--blau-tief); }
.eckdaten { display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 4px 0 0; padding: 0; list-style: none;
            font-family: var(--mono); font-size: 0.82rem; color: var(--grau); }
.kurs-tage { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--linie); border: 1px solid var(--linie); margin: 8px 0 4px; }
.kurs-tage span { background: #fff; padding: 12px 14px; font-size: 0.9rem; line-height: 1.3; }
.kurs-tage b { display: block; font-family: var(--mono); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--blau-tief); margin-bottom: 4px; }
.eckdaten li { display: inline-flex; align-items: center; gap: 8px; }
.eckdaten li::before { content: ""; width: 5px; height: 5px; background: var(--blau); flex: none; }

/* ---------- Vorteile, Formate ---------- */
.raster { display: grid; gap: 40px 48px; }
@media (min-width: 760px) { .raster-2 { grid-template-columns: 1fr 1fr; } .raster-3 { grid-template-columns: repeat(3, 1fr); } }
.punkt h3 { padding-top: 16px; border-top: 3px solid var(--blau); margin-bottom: 10px; }
.punkt p { margin: 0; color: #3A4654; }
.format { background: #fff; border: 1px solid var(--linie); padding: 28px; }
.format h3 { margin-bottom: 10px; }
.format p { margin: 0; color: #3A4654; }

/* ---------- Ablauf einer Anfrage (echte Reihenfolge, daher nummeriert) ---------- */
.schritte { list-style: none; margin: 0; padding: 0; display: grid; gap: 32px; counter-reset: schritt; }
@media (min-width: 760px) { .schritte { grid-template-columns: repeat(3, 1fr); gap: 0; } }
.schritte li { counter-increment: schritt; position: relative; padding-right: 24px; }
.schritte li::before {
  content: counter(schritt);
  display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 18px;
  font-family: var(--mono); font-weight: 600; background: var(--blau-tief); color: #fff;
}
@media (min-width: 760px) {
  .schritte li:not(:last-child)::after {
    content: ""; position: absolute; top: 22px; left: 56px; right: 12px; height: 2px; background: var(--linie);
  }
}
.schritte h3 { margin-bottom: 8px; }
.schritte p { margin: 0; color: #3A4654; }

/* ---------- Trainer ---------- */
.trainer { display: grid; gap: 24px 64px; }
@media (min-width: 860px) { .trainer { grid-template-columns: 0.8fr 1.2fr; } }
.trainer h3 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); font-stretch: 110%; font-weight: 740; }
.trainer .rolle { margin-top: 8px; color: var(--grau); }
.kontakt { font-family: var(--mono); font-size: 0.9rem; display: flex; flex-wrap: wrap; gap: 6px 24px; margin-top: 20px; }

/* ---------- Kursunterlagen (Teilnehmer-Bereich, bewusst zurückgenommen) ---------- */
.unterlagen { border-top: 1px solid var(--linie); padding: 40px 0 48px; }
.unterlagen h2 { font-size: 1.1rem; font-stretch: 100%; font-weight: 680; }
.unterlagen p { color: var(--grau); margin: 6px 0 18px; font-size: 0.95rem; }
.unterlagen ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0 32px; }
@media (min-width: 760px) { .unterlagen ul { grid-template-columns: 1fr 1fr; } }
.unterlagen li a { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--linie);
                   text-decoration: none; color: var(--text); font-size: 0.95rem; }
.unterlagen li a span { font-family: var(--mono); font-size: 0.78rem; color: var(--grau); }
.unterlagen li a:hover { color: var(--blau-tief); }

/* ---------- Fuß ---------- */
.fuss { background: var(--tinte); color: #B9C9DA; font-size: 0.9rem; padding: 36px 0; }
.fuss .inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 32px; }
.fuss a { color: #fff; }
.fuss ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 20px; }

/* ---------- Kursseite ---------- */
.kurs-kopf { padding: clamp(40px, 6vw, 80px) 0 clamp(48px, 7vw, 88px); }
.kurs-kopf .lead { color: #D6E3F0; margin-top: 22px; }
.brotkrumen { font-family: var(--mono); font-size: 0.78rem; margin: 0 0 28px; color: var(--blau-hell); }
.brotkrumen a { color: var(--blau-hell) !important; }
.kurs-kopf .eckdaten { margin-top: 28px; color: #C2D3E4; }
.kurs-kopf .eckdaten li::before { background: var(--blau-hell); }

/* Signatur der Kursseite: Phasen-Workflow mit Gates */
.workflow { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.phase { display: flex; flex-direction: column; justify-content: center; min-height: 64px; padding: 14px 18px;
         background: #fff; border: 1px solid var(--linie); border-left: 4px solid var(--blau); }
.phase b { font-stretch: 110%; font-weight: 700; }
.phase span { font-size: 0.82rem; color: var(--grau); }
.gate-marke { display: flex; align-items: center; gap: 10px; padding: 8px 0 8px 18px;
              font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: #8A5B12; }
.gate-marke::before { content: ""; width: 12px; height: 12px; background: var(--gate); transform: rotate(45deg); flex: none; }
@media (min-width: 1000px) {
  .workflow { grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr auto 1fr; align-items: stretch; }
  .phase { min-height: 92px; }
  .gate-marke { justify-content: center; }
  .gate-marke { flex-direction: column; padding: 0 4px; gap: 8px; font-size: 0.66rem; }
}
.workflow-notiz { margin-top: 24px; color: var(--grau); max-width: 46em; }

.tage { display: grid; gap: 16px; counter-reset: tag; }
@media (min-width: 900px) { .tage { grid-template-columns: repeat(3, 1fr); } .tage.zwei { grid-template-columns: repeat(2, 1fr); } }
.tag-karte { background: #fff; border: 1px solid var(--linie); border-top: 4px solid var(--blau); padding: 28px; }
.tag-karte .kicker { margin-bottom: 8px; }
.tag-karte h3 { font-size: 1.5rem; font-stretch: 112%; font-weight: 740; }
.tag-karte .unter { color: var(--grau); margin: 6px 0 18px; font-size: 0.95rem; }
.tag-karte ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.tag-karte li { padding-top: 14px; border-top: 1px solid var(--linie); font-size: 0.95rem; color: #3A4654; }
.tag-karte li b { display: block; color: var(--text); margin-bottom: 2px; }

.liste { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px 48px; }
@media (min-width: 760px) { .liste.zwei { grid-template-columns: 1fr 1fr; } }
.liste li { position: relative; padding-left: 26px; }
.liste li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 12px; height: 3px; background: var(--blau); }

.fuer-wen { display: grid; gap: 16px; }
@media (min-width: 860px) { .fuer-wen { grid-template-columns: 1.3fr 1fr 1fr; } }
.fuer-wen > div { background: var(--flaeche); border: 1px solid var(--linie); padding: 24px 26px; }
.fuer-wen h3 { font-size: 1rem; font-family: var(--mono); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
               color: var(--blau-tief); margin-bottom: 10px; }
.fuer-wen p { margin: 0; }

.faq { border-top: 1px solid var(--linie); max-width: 52em; }
.faq details { border-bottom: 1px solid var(--linie); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative; font-weight: 650; font-size: 1.08rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-family: var(--mono); font-size: 1.4rem; color: var(--blau-tief); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 20px; color: #3A4654; max-width: 46em; }

.hinweis-box { background: #fff; border: 1px solid var(--linie); border-left: 4px solid #A8B4C1; padding: 24px 28px; max-width: 46em; }
.hinweis-box p { margin: 0; }

.aufruf .inner { display: grid; gap: 24px; align-items: center; }
@media (min-width: 860px) { .aufruf .inner { grid-template-columns: 1fr auto; } }
.aufruf p { color: #D6E3F0; margin: 12px 0 0; max-width: 38em; }

/* ---------- 404 ---------- */
.fehler { min-height: 50vh; display: grid; align-content: center; }
@media (max-width: 520px) {
  .terminal { font-size: 0.76rem; box-shadow: 10px 10px 0 0 rgba(84, 137, 191, 0.22); }
  .terminal .z { grid-template-columns: 5.4em 1fr; }
  .terminal-inhalt { padding: 14px 14px 18px; }
}

/* ---------- Startseite: Liste „Auf Anfrage“ + Link zur Übersicht ---------- */
.vorbereitung { margin-top: 40px; }
.vorbereitung h3 { font-family: var(--mono); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--grau); margin-bottom: 12px; }
.vorbereitung ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0 32px; border-top: 1px solid var(--linie); }
@media (min-width: 760px) { .vorbereitung ul { grid-template-columns: repeat(3, 1fr); } }
.vorbereitung a { display: flex; flex-direction: column; gap: 2px; padding: 14px 0; border-bottom: 1px solid var(--linie); text-decoration: none; color: var(--text); }
.vorbereitung a b { font-weight: 650; }
.vorbereitung a span { font-size: 0.9rem; color: var(--grau); }
.vorbereitung a:hover b { color: var(--blau-tief); text-decoration: underline; }
.alle { margin: 28px 0 0; font-weight: 650; }

/* ---------- Seite /schulungen/ ---------- */
.ue-gruppe { font-size: 1.3rem; font-stretch: 105%; margin: 0 0 16px; }
.ue-gruppe:not(:first-child) { margin-top: 56px; }
.uebersicht { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--text); }
.uebersicht a { display: grid; gap: 6px 32px; padding: 22px 4px; border-bottom: 1px solid var(--linie); text-decoration: none; color: var(--text); }
@media (min-width: 860px) { .uebersicht a { grid-template-columns: 1fr 10em 14em 1.5em; align-items: baseline; } }
.ue-titel b { display: block; font-size: 1.2rem; font-stretch: 108%; font-weight: 700; margin-bottom: 4px; }
.ue-titel { color: #3A4654; }
.ue-dauer { font-family: var(--mono); font-size: 0.85rem; color: var(--blau-tief); }
.ue-fuer { font-size: 0.92rem; color: var(--grau); }
.ue-pfeil { font-family: var(--mono); color: var(--blau-tief); }
.uebersicht a:hover { background: var(--flaeche); }
.uebersicht a:hover .ue-titel b { color: var(--blau-tief); }

/* ---------- Kompaktkurs: Schwerpunkte ---------- */
.schwerpunkte { display: grid; gap: 16px; }
@media (min-width: 760px) { .schwerpunkte { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .schwerpunkte { grid-template-columns: repeat(4, 1fr); } }
.schwerpunkt { background: #fff; border: 1px solid var(--linie); border-top: 4px solid var(--blau); padding: 24px; display: flex; flex-direction: column; }
.schwerpunkt .kicker { margin-bottom: 6px; }
.schwerpunkt h3 { font-size: 1.3rem; font-stretch: 110%; font-weight: 720; margin-bottom: 10px; }
.schwerpunkt p { color: #3A4654; font-size: 0.95rem; }
.schwerpunkt .voraussetzung { margin: auto 0 0; padding-top: 12px; border-top: 1px solid var(--linie); font-family: var(--mono); font-size: 0.76rem; color: var(--grau); }

/* ---------- Kontaktwege (E-Mail, Anruf, WhatsApp) ---------- */
.kontaktwege { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.aufruf .kontaktwege, .hinweis-box + .kontaktwege { margin-top: 24px; }
.kontakt-zeile { margin: 14px 0 0; font-family: var(--mono); font-size: 0.82rem; color: var(--grau); }
.dunkel .kontakt-zeile { color: var(--blau-hell); }
.aufruf .inner > div:last-child .kontaktwege { margin-top: 0; }

/* ---------- Kursseiten: Inhaltsverzeichnis + Nach oben ----------
   schmal: Knopf „Inhalt“ unten rechts, klappt auf; ab 1400px: Spalte rechts neben dem Inhalt,
   der Inhalt rückt dafür nach links (Inhalt 1120 + Abstand 24 + Navi 200 = 1344). */
h2[id] { scroll-margin-top: 24px; }
.kursnavi { position: fixed; z-index: 20; right: 16px; bottom: 16px; display: flex; flex-direction: column;
            align-items: flex-end; gap: 8px; font-size: 0.92rem; }
.kursnavi details { background: #fff; border: 1px solid var(--linie); box-shadow: 0 8px 28px rgba(20, 39, 59, 0.2);
                    max-width: min(300px, calc(100vw - 32px)); }
.kursnavi summary { cursor: pointer; list-style: none; padding: 10px 16px; font-family: var(--mono); font-size: 0.78rem;
                    font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--blau-tief); }
.kursnavi summary::-webkit-details-marker { display: none; }
.kursnavi details:not([open]) summary::after { content: " +"; }
.kursnavi ol { list-style: none; margin: 0; padding: 0 0 10px; max-height: 60vh; overflow: auto; }
.kursnavi li a { display: block; padding: 6px 16px 6px 13px; border-left: 3px solid transparent; color: var(--text);
                 text-decoration: none; line-height: 1.3; }
.kursnavi li a:hover { color: var(--blau-tief); background: var(--flaeche); }
.kursnavi li a.aktiv { border-left-color: var(--blau); color: var(--blau-tief); font-weight: 650; }
.nach-oben { background: var(--blau-tief); color: #fff; padding: 10px 14px; text-decoration: none; font-family: var(--mono);
             font-size: 0.78rem; box-shadow: 0 8px 28px rgba(20, 39, 59, 0.2); }
.nach-oben::before { content: "↑ "; }
.nach-oben:hover { background: var(--tinte); color: #fff; }
@media (min-width: 1400px) {
  body.mit-navi .inner { margin-left: calc((100vw - 1344px) / 2); margin-right: auto; }
  .kursnavi { top: 96px; bottom: auto; right: calc((100vw - 1344px) / 2); width: 200px; align-items: stretch; gap: 0; }
  .kursnavi details { box-shadow: none; max-width: none; }
  .kursnavi summary { pointer-events: none; padding-top: 14px; }
  .kursnavi details:not([open]) summary::after { content: ""; }
  .nach-oben { box-shadow: none; background: #fff; color: var(--blau-tief); border: 1px solid var(--linie); border-top: 0; padding: 10px 16px; }
  .nach-oben:hover { background: var(--flaeche); color: var(--tinte); }
}
@media print { .kursnavi { display: none; } }

/* ---------- Trainingsumgebung: Schaubild ----------
   schmal: Spalten untereinander, Verbindungen als senkrechte Linie; ab 1000px: nebeneinander. */
.umgebung { display: grid; gap: 0; align-items: stretch; }
.u-spalte, .u-cloud { background: #fff; border: 1px solid var(--linie); padding: 22px 24px; }
.u-spalte { border-top: 4px solid var(--blau); }
.u-cloud { background: var(--tinte); color: #fff; border: 0; padding: 24px 26px; position: relative; }
.u-titel { margin: 0; font-family: var(--mono); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--blau-tief); }
.u-cloud .u-titel { color: var(--blau-hell); }
.u-unter { margin: 4px 0 16px; font-size: 0.9rem; color: var(--grau); }
.u-cloud .u-unter { color: #B9C9DA; }
.u-geraete { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.u-geraete li { font-size: 0.88rem; color: #3A4654; padding-top: 10px; border-top: 1px solid var(--linie); line-height: 1.35; }
.u-geraete li b { display: block; color: var(--text); font-size: 0.95rem; }
.u-vms { display: grid; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); gap: 8px; }
.u-vm { border: 1px solid #3C5A7A; background: var(--terminal); padding: 12px 10px 10px; font-family: var(--mono); font-size: 0.8rem; position: relative; }
.u-vm::before { content: ""; position: absolute; top: 6px; right: 6px; width: 6px; height: 6px; background: #7FC4A0; }
.u-vm b { font-weight: 600; }
.u-vm-mehr { border-style: dashed; background: transparent; text-align: center; }
.u-vm-mehr::before { display: none; }
.u-vm-trainer { border-color: var(--blau); }
.u-stack { list-style: none; margin: 16px 0 0; padding: 14px 0 0; border-top: 1px dashed #3C5A7A; display: flex; flex-wrap: wrap; gap: 6px; }
.u-stack li { font-family: var(--mono); font-size: 0.74rem; color: #C9D7E6; border: 1px solid #3C5A7A; padding: 3px 8px; }
.u-wege { display: flex; flex-direction: column; justify-content: center; gap: 10px; padding: 18px 0 18px 28px; position: relative; }
.u-wege::before { content: ""; position: absolute; left: 12px; top: 0; bottom: 0; width: 2px; background: var(--blau); }
.u-weg { position: relative; }
.u-weg span { display: inline-block; font-family: var(--mono); font-size: 0.78rem; font-weight: 600; color: #fff; background: var(--blau-tief); padding: 4px 10px; }
.u-weg small { display: block; font-size: 0.8rem; color: var(--grau); margin-top: 4px; line-height: 1.3; }
@media (min-width: 1000px) {
  .umgebung { grid-template-columns: 1fr 160px 1.3fr 150px 1fr; }
  .u-wege { padding: 0 10px; text-align: center; gap: 28px; }
  .u-wege::before { left: 0; right: 0; top: 50%; bottom: auto; width: auto; height: 2px; }
  .u-weg span, .u-weg small { position: relative; z-index: 1; }
  .u-weg small { background: var(--flaeche); padding: 2px 4px; }
  .u-cloud { padding: 26px 28px; }
}
code { font-family: var(--mono); font-size: 0.88em; background: var(--flaeche); padding: 1px 5px; }