:root {
  --accent: #4AF08A; --bg: #080B09; --panel: #0E1310; --ink: #D2DDD4; --soft: #B3C0B6; --muted: #7F9084;
  --line: #223026; --key: #FFB454; --str: #C3E88D; --on-accent: #080B09;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --accent: #0B7A3B; --bg: #ECE8DC; --panel: #F7F4EC; --ink: #1A1F18; --soft: #363C33; --muted: #5D6458;
  --line: #D3CDBC; --key: #8A4B00; --str: #2D5F12; --on-accent: #FFFFFF;
  color-scheme: light;
}

body { margin: 0; background: var(--bg); color: var(--ink); font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 15px; transition: background .25s ease, color .25s ease; }
a { color: inherit; } a:hover { opacity: .8; }
button { font: inherit; cursor: pointer; }

/* Fenster */
.nd-wrap { padding: 24px; min-height: 100vh; box-sizing: border-box; }
.nd-win { max-width: 1280px; min-height: calc(100vh - 48px); margin: 0 auto; box-sizing: border-box; display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--panel); }

/* Kopfzeile */
.nd-header { display: grid; grid-template-columns: auto 1fr auto; grid-template-areas: "logo nav ctrl"; align-items: stretch; border-bottom: 1px solid var(--line); }
.nd-logo { grid-area: logo; display: flex; align-items: center; min-height: 52px; padding: 0 18px; border-right: 1px solid var(--line); color: var(--ink); font-size: 15px; font-weight: 700; white-space: nowrap; text-decoration: none; min-width: 0; overflow: hidden; }
.nd-logo .p { color: var(--muted); } .nd-logo .nd-host { color: var(--key); }
.nd-nav { grid-area: nav; display: flex; align-items: stretch; }
.tab { display: flex; align-items: center; min-height: 52px; padding: 0 18px; border-right: 1px solid var(--line); border-top: 2px solid transparent; color: var(--muted); font-size: 14px; white-space: nowrap; text-decoration: none; }
.tab[aria-current="page"] { border-top-color: var(--accent); background: var(--bg); color: var(--ink); font-weight: 700; }
.nd-ctrl { grid-area: ctrl; display: flex; align-items: center; gap: 8px; padding: 0 16px; }
.lang { display: flex; align-items: center; font-size: 14px; color: var(--muted); }
.lang a { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; min-height: 44px; padding: 0 6px; font-weight: 700; text-decoration: none; color: var(--muted); }
.lang a[aria-current="true"] { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; height: 44px; padding: 0 10px; border: 1px solid var(--line); background: none; color: var(--ink); }
:root[data-theme="light"] .i-sun, :root:not([data-theme="light"]) .i-moon { display: none; }
.nd-burger[aria-expanded="true"] .i-menu, .nd-burger[aria-expanded="false"] .i-close { display: none; }
.nd-burger { display: none; }
.nd-mnav { display: none; }
.mtab { display: flex; align-items: center; min-height: 52px; padding: 0 4px; border-bottom: 1px solid var(--line); white-space: pre; font-size: 18px; color: var(--ink); text-decoration: none; }
.mtab[aria-current="page"] { font-weight: 700; color: var(--accent); }

/* Inhalt */
.nd-main { flex: 1 1 auto; display: flex; align-items: center; padding: clamp(28px, 5vh, 56px) clamp(16px, 4vw, 56px); }
.nd-inner { width: 100%; max-width: 1080px; margin: 0 auto; }
.stack { display: flex; flex-direction: column; gap: 22px; }
.narrow { max-width: 860px; }
.prompt { margin: 0; color: var(--muted); }
.prompt::before { content: "$ "; color: var(--accent); }
.vt { font-family: 'VT323', 'JetBrains Mono', monospace; font-weight: 400; }
.h-xl { margin: 0; font-size: clamp(64px, 11vw, 148px); line-height: .85; color: var(--accent); overflow-wrap: break-word; }
.h-sub { margin: 0; font-size: clamp(28px, 3.6vw, 48px); line-height: 1; color: var(--ink); }
.h-lg { margin: 0; font-size: clamp(48px, 6vw, 80px); line-height: .9; color: var(--accent); }
.h-sec { margin: 0; font-size: 16px; color: var(--key); }
.h-sec::before { content: "## "; }
.text { margin: 0; font-size: 16px; line-height: 1.75; color: var(--soft); }
.list { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 6px; font-size: 15px; line-height: 1.65; color: var(--soft); }
.back { align-self: flex-start; display: inline-flex; align-items: center; min-height: 44px; color: var(--key); font-size: 14px; text-decoration: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.nd-cursor { display: inline-block; width: .5em; height: .82em; background: currentColor; margin-left: .08em; vertical-align: -0.04em; color: var(--accent); animation: nd-blink 1.1s steps(1) infinite; }
@keyframes nd-blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .nd-cursor { animation: none; } }

figure { margin: 0; }
figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line); }
figcaption { margin-top: 8px; font-size: 12px; color: var(--muted); }
figcaption::before { content: "// "; }

/* Projektkarten */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 16px; }
.nd-card { display: flex; flex-direction: column; gap: 12px; padding: 22px; min-height: 180px; box-sizing: border-box; background: var(--bg); border: 1px solid var(--line); box-shadow: 4px 4px 0 var(--line); transition: transform .15s ease; }
.nd-card:hover { transform: translate(-2px, -2px); }
.card-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; color: var(--muted); }
.card-title { margin: 0; font-size: 18px; font-weight: 700; color: var(--accent); }
.card-text { margin: 0; font-size: 14px; line-height: 1.65; color: var(--soft); }
.card-tags { margin: 0; font-size: 12px; color: var(--muted); }
.card-tags::before { content: "// "; }
.key-link { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; font-size: 14px; color: var(--key); }
.card-link { margin-top: auto; }

/* Über mich / Kontakt */
.about { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); gap: clamp(28px, 5vw, 72px); align-items: start; }
.json { border: 1px solid var(--line); background: var(--bg); padding: 20px 22px; font-size: 15px; line-height: 1.7; color: var(--muted); }
.json dl { margin: 0; padding-left: 20px; }
.json dt { color: var(--key); } .json dd { margin: 0; color: var(--str); } .json dd span { color: var(--muted); }
.nd-row { display: flex; flex-wrap: wrap; gap: 0 10px; padding: 3px 0; }
.mail { font-family: 'VT323', 'JetBrains Mono', monospace; font-size: clamp(34px, 5vw, 56px); line-height: 1; color: var(--key); text-decoration: none; word-break: break-word; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--line); background: var(--bg); text-decoration: none; font-size: 14px; }

/* Statuszeile */
.nd-foot { display: flex; flex-wrap: wrap; align-items: stretch; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.nd-foot span { display: inline-flex; align-items: center; padding: 6px 12px; }
.nd-foot .mode { background: var(--accent); color: var(--on-accent); font-weight: 700; }
.nd-foot .file { border-right: 1px solid var(--line); }
.nd-foot .mid { flex: 1 1 auto; }
.nd-foot .enc { border-left: 1px solid var(--line); }
.nd-foot .gh { display: inline-flex; align-items: center; padding: 6px 12px; border-left: 1px solid var(--line); color: var(--key); text-decoration: none; }

@media (max-width: 820px) {
  .nd-wrap { padding: 0; }
  .nd-win { min-height: 100vh; border: 0; }
  .nd-header { grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "logo ctrl"; }
  .nd-nav { display: none; }
  .nd-burger { display: inline-flex; }
  .nd-mnav.open { display: flex; flex-direction: column; padding: 8px 16px 16px; border-bottom: 1px solid var(--line); }
  .nd-ctrl { padding: 0 12px; gap: 6px; }
  .nd-main { align-items: flex-start; padding: 24px 16px 32px; }
  .nd-hide-sm { display: none !important; }
  .nd-row { flex-direction: column; gap: 2px; }
}