/* @font-face – IBM Plex Sans + Condensed, lokal gehostet (Latin-Subset) */
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex/ibm-plex-sans-400.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/ibm-plex/ibm-plex-sans-500.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/ibm-plex/ibm-plex-sans-600.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Sans Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/ibm-plex/ibm-plex-sans-condensed-600.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Sans Condensed';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/ibm-plex/ibm-plex-sans-condensed-700.woff2') format('woff2');
}

/* ==========================================================================
   mhey.de — Stylesheet
   Konzept: durchgehender "Faden" mit Knotenpunkten, Blueprint-Farbwelt
   ========================================================================== */

:root {
  --bg: #F6F4EE;
  --card-bg: #FFFFFF;
  --text: #16232E;
  --muted: #5C6773;
  --accent: #C97A2B;
  --line: #4A6A85;
  --line-soft: rgba(74, 106, 133, 0.25);
  --grid: rgba(74, 106, 133, 0.07);
  --radius: 3px;
}

[data-theme="dark"] {
  --bg: #0E1A26;
  --card-bg: #15222F;
  --text: #E8EDF1;
  --muted: #8FA0AF;
  --accent: #E0A05A;
  --line: #5C84A3;
  --line-soft: rgba(92, 132, 163, 0.3);
  --grid: rgba(92, 132, 163, 0.08);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 48px 48px,
    var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', Helvetica, Arial, sans-serif;
  line-height: 1.55;
  transition: background-color .25s ease, color .25s ease;
}

a { color: inherit; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 25;
  background: var(--bg);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 14px clamp(20px, 5vw, 32px);
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-name {
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--muted);
  white-space: nowrap;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav-links a:hover { color: var(--accent); }

.theme-btn {
  flex: none;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 12px;
  border-radius: var(--radius);
  cursor: pointer;
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Hero ---------- */
.hero {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(40px, 9vw, 80px) clamp(20px, 5vw, 32px) clamp(48px, 8vw, 72px);
}
.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 10px;
}
h1 {
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 8vw, 4rem);
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  line-height: 1.05;
}
.tagline {
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  color: var(--muted);
  max-width: 46ch;
  margin: 0;
}
.tagline strong { color: var(--text); font-weight: 500; }

/* ---------- Thread / Knoten ---------- */
.thread {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 32px);
}
.thread-rail {
  position: relative;
  padding-left: 32px;
  border-left: 2px solid var(--line-soft);
}
.node {
  position: relative;
  padding-bottom: clamp(56px, 8vw, 90px);
  scroll-margin-top: 90px;
}
.node:last-child { padding-bottom: 0; }
.node::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px var(--line-soft);
  transition: box-shadow .2s ease;
}
.node.active::before {
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 6px var(--accent);
}
.node .eyebrow { margin-bottom: 8px; }
.node h2 {
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-weight: 600;
  font-size: 1.4rem;
  margin: 0 0 12px;
}
.node p {
  margin: 0 0 14px;
  color: var(--muted);
  max-width: 56ch;
  font-size: 0.98rem;
}
.node p:last-child { margin-bottom: 0; }

.project-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  max-width: 56ch;
}
.project-list li {
  padding: 14px 0 14px 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.96rem;
  color: var(--muted);
  position: relative;
}
.project-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.project-list a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}
.project-list a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Kontakt ---------- */
.kontakt {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(56px, 9vw, 96px) clamp(20px, 5vw, 32px) clamp(72px, 10vw, 110px);
  text-align: left;
}
.kontakt h2 {
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-weight: 700;
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  margin: 0 0 22px;
}
.mail-link {
  display: inline-block;
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
}
.mail-link:hover { color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 22px clamp(20px, 5vw, 32px) 28px;
  text-align: center;
}
.site-footer p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}
.site-footer a {
  text-decoration: underline;
  text-decoration-color: var(--line-soft);
}
.site-footer a:hover { color: var(--accent); }

/* ---------- Rechtsseiten (Impressum / Datenschutz) ---------- */
.legal {
  max-width: 640px;
  margin: 0 auto;
  padding: clamp(40px, 8vw, 72px) clamp(20px, 5vw, 32px) clamp(56px, 9vw, 90px);
}
.legal h1 {
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 2.6rem);
  margin: 0 0 36px;
}
.legal section { margin-bottom: 30px; }
.legal h2 {
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0 0 10px;
}
.legal p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 60ch;
}
.legal a { color: var(--text); border-bottom: 1px solid var(--line-soft); text-decoration: none; }
.legal a:hover { color: var(--accent); border-color: var(--accent); }
.legal-note {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px dashed var(--line-soft);
  font-size: 0.82rem;
  font-style: italic;
}
.legal .version { font-size: 0.82rem; margin-top: 10px; }
.back-link {
  display: inline-block;
  margin-top: 40px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
}

/* ---------- Markierte Begriffe im Fließtext ---------- */
.term {
  font: inherit;
  color: var(--accent);
  background: none;
  border: none;
  padding: 2px 1px;
  margin: 0 1px;
  cursor: pointer;
  border-bottom: 1px dotted var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.term:hover, .term:focus-visible {
  background: var(--line-soft);
  border-radius: 2px;
  outline: none;
}
.term .spark { font-size: 0.7em; }

/* ---------- Dock (Avatar-Antwort) ---------- */
.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  background: var(--card-bg);
  border-top: 1px solid var(--line-soft);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(110%);
  transition: transform .3s ease;
}
.dock.visible { transform: translateY(0); }
.dock-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 18px clamp(20px, 5vw, 32px) 20px;
}
.dock-q {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 14px;
  text-align: right;
}

.reply { display: flex; gap: 12px; align-items: flex-start; }
.avatar {
  flex: none;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid var(--line-soft);
  overflow: hidden;
  background: var(--line-soft);
}
.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }

.bubble {
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.92rem;
  flex: 1;
}
.bubble .cursor {
  display: inline-block;
  width: 1px;
  background: var(--accent);
  animation: blink 1s steps(1) infinite;
  margin-left: 1px;
  height: 1em;
  vertical-align: -0.15em;
}
@keyframes blink { 50% { opacity: 0; } }

.close {
  display: block;
  margin-top: 14px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.78rem;
  cursor: pointer;
  padding: 0;
}
.close:hover { color: var(--accent); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .dock, .dock-body, .chevron, .line .txt .cursor { transition: none; animation: none; }
}

/* ---------- Kleinere Screens ---------- */
@media (max-width: 480px) {
  .nav-links { gap: 14px; }
  .node::before { width: 10px; height: 10px; left: -31px; }
}