/* bluetuple.ai · Stylesheet. Schriften selbst gehostet, keine externen Abrufe. */
/* Schriften selbst gehostet (DSGVO: kein Abruf von Google-Servern). Lizenzen in /fonts. */
  @font-face { font-family: 'Instrument Serif'; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/instrument-serif-latin-400-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
  @font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/ibm-plex-sans-latin-400-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
  @font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 500; font-display: swap; src: url(/fonts/ibm-plex-sans-latin-500-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
  @font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url(/fonts/ibm-plex-sans-latin-600-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
  @font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
  @font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url(/fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
  @font-face { font-family: 'Instrument Serif'; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/instrument-serif-latin-ext-400-normal.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
  @font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/ibm-plex-sans-latin-ext-400-normal.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
  @font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 500; font-display: swap; src: url(/fonts/ibm-plex-sans-latin-ext-500-normal.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
  @font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url(/fonts/ibm-plex-sans-latin-ext-600-normal.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
  @font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/ibm-plex-mono-latin-ext-400-normal.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
  @font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url(/fonts/ibm-plex-mono-latin-ext-500-normal.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }

:root {
    --bg: #0a1220;
    --bg-2: #0f1a2c;
    --surface: #131f34;
    --line: #223050;
    --line-soft: #1a2740;
    --text: #e7edf6;
    --text-2: #a9b6c9;
    --muted: #71809a;
    --accent: #5aa6ff;
    --accent-ink: #0a1220;
    --accent-soft: rgba(90,166,255,.12);
    --amber: #e8b45a;
    --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
    --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
    --mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
    --w: 1080px;
    color-scheme: dark;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
  body {
    margin: 0; background: var(--bg); color: var(--text);
    font-family: var(--sans); font-size: 17px; line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; }
  a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
  .wrap { max-width: var(--w); margin: 0 auto; padding-inline: 24px; }
  h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -.01em; text-wrap: balance; margin: 0; line-height: 1.08; }
  h1 { font-size: clamp(40px, 6.2vw, 68px); }
  h2 { font-size: clamp(32px, 4.2vw, 46px); }
  h3 { font-size: 27px; }
  p { margin: 0; }
  .eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
  .lead { color: var(--text-2); max-width: 62ch; font-size: 18px; }
  .em { font-style: italic; color: var(--accent); }

  /* Nav */
  .nav { position: sticky; top: 0; z-index: 10; background: rgba(10,18,32,.82); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line-soft); }
  .nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
  .brand { display: flex; align-items: baseline; gap: 2px; text-decoration: none; font-weight: 600; letter-spacing: -.01em; font-size: 18px; }
  .brand span { color: var(--accent); }
  .menu { display: flex; gap: 26px; font-size: 15px; color: var(--text-2); }
  .menu a { text-decoration: none; }
  .menu a:hover { color: var(--text); }
  .nav-right { display: flex; align-items: center; gap: 14px; }
  .lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; font-family: var(--mono); font-size: 12px; }
  .lang button { background: none; border: 0; color: var(--muted); padding: 4px 10px; border-radius: 999px; cursor: pointer; font: inherit; letter-spacing: .06em; }
  .lang button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
  .btn { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 500; font-size: 15px; padding: 11px 18px; border-radius: 6px; border: 1px solid var(--accent); color: var(--accent-ink); background: var(--accent); transition: transform .15s ease, background .15s ease; white-space: nowrap; }
  .btn:hover { background: #79b8ff; transform: translateY(-1px); }
  .btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
  .btn.ghost:hover { border-color: var(--text-2); background: transparent; }
  .btn.sm { padding: 8px 14px; font-size: 14px; }
  @media (max-width: 820px) { .menu { display: none; } .nav .btn.sm { padding: 7px 12px; font-size: 13px; } }

  /* Hero */
  .hero { padding-block: 88px 72px; position: relative; overflow: hidden; }
  .hero::before { content: ""; position: absolute; inset: -40% -20% auto auto; width: 70vw; max-width: 900px; aspect-ratio: 1; background: radial-gradient(closest-side, rgba(90,166,255,.14), transparent 70%); pointer-events: none; }
  .hero .wrap { display: grid; gap: 28px; position: relative; }
  .hero h1 { max-width: 18ch; }
  .hero .lead { font-size: 20px; }
  .cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
  .creds { display: flex; flex-wrap: wrap; gap: 10px 28px; font-family: var(--mono); font-size: 13px; color: var(--muted); margin-top: 18px; padding-top: 22px; border-top: 1px solid var(--line-soft); }
  .creds span::before { content: "— "; color: var(--accent); }

  /* Sections */
  section { padding-block: 84px; border-top: 1px solid var(--line-soft); }
  .sec-head { display: grid; gap: 14px; margin-bottom: 44px; }
  .sec-head .lead { margin-top: 4px; }

  /* Why now */
  .facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
  .fact { background: var(--surface); padding: 26px 24px 28px; display: grid; gap: 10px; align-content: start; }
  .fact .num { font-family: var(--serif); font-size: 44px; line-height: 1; color: var(--text); font-variant-numeric: tabular-nums; }
  .fact .num small { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--amber); display: block; margin-bottom: 10px; }
  .fact p { color: var(--text-2); font-size: 15.5px; }
  .why-after { margin-top: 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
  .why-after p { color: var(--text-2); max-width: 56ch; }
  .why-after strong { color: var(--text); font-weight: 500; }
  .why-note { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line-soft); font-size: 14px; line-height: 1.55; color: var(--muted); max-width: 90ch; }
  .why-note a { color: var(--text-2); text-decoration: underline; text-underline-offset: 3px; white-space: nowrap; }
  .why-note a:hover { color: var(--text); }
  @media (max-width: 820px) { .facts { grid-template-columns: 1fr; } .why-after { grid-template-columns: 1fr; gap: 20px; } }

  /* Modules */
  .modules { display: grid; gap: 0; }
  .mod { display: grid; grid-template-columns: 200px 1fr; gap: 40px; padding-block: 40px; border-top: 1px solid var(--line-soft); position: relative; }
  .mod:first-child { border-top: 0; }
  .mod-side { display: grid; gap: 12px; align-content: start; }
  .mod-n { font-family: var(--serif); font-size: 64px; line-height: .9; color: var(--accent); font-variant-numeric: tabular-nums; }
  .mod-fmt { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); line-height: 1.5; }
  .mod-body { display: grid; gap: 20px; }
  .mod-body h3 { margin-bottom: 2px; }
  .kv { display: grid; grid-template-columns: 110px 1fr; gap: 6px 20px; align-items: baseline; }
  .kv dt { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding-top: 5px; }
  .kv dd { margin: 0; color: var(--text-2); max-width: 62ch; }
  .kv dd.res { color: var(--text); }
  .tags { display: flex; flex-wrap: wrap; gap: 8px; }
  .tags span { font-family: var(--mono); font-size: 12px; color: var(--text-2); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; }
  .mod.core { background: linear-gradient(90deg, var(--accent-soft), transparent 60%); margin-inline: -24px; padding-inline: 24px; border-radius: 10px; border-top: 0; }
  .mod.core .mod-fmt::after { content: attr(data-core); display: block; color: var(--accent); margin-top: 6px; }
  .thread { margin-top: 40px; padding: 28px 30px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2); display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: center; }
  .thread .mark { font-family: var(--serif); font-size: 40px; color: var(--accent); line-height: 1; }
  .thread p { color: var(--text-2); max-width: 70ch; }
  .thread strong { color: var(--text); font-weight: 500; }
  @media (max-width: 820px) {
    .mod { grid-template-columns: 1fr; gap: 18px; }
    .mod-side { grid-template-columns: auto 1fr; align-items: end; }
    .mod-n { font-size: 48px; }
    .kv { grid-template-columns: 1fr; gap: 4px; }
    .mod.core { margin-inline: -16px; padding-inline: 16px; }
    .thread { grid-template-columns: 1fr; }
  }

  /* Approach */
  .approach { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
  .approach .text { display: grid; gap: 18px; }
  .approach .text p { color: var(--text-2); max-width: 58ch; }
  .approach .text p strong { color: var(--text); font-weight: 500; }
  .split { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--surface); }
  .split .row { display: grid; grid-template-columns: 1fr 1fr; }
  .split .row + .row { border-top: 1px solid var(--line-soft); }
  .split .cell { padding: 20px 22px; display: grid; gap: 6px; align-content: start; }
  .split .cell + .cell { border-left: 1px solid var(--line-soft); }
  .split .h { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
  .split .head .h { color: var(--text); }
  .split .v { font-size: 15px; color: var(--text-2); }
  .split .ok { color: var(--accent); }
  .split .warn { color: var(--amber); }
  .honest { margin-top: 22px; padding: 22px 24px; border-left: 2px solid var(--amber); background: var(--bg-2); border-radius: 0 8px 8px 0; display: grid; gap: 8px; }
  .honest .eyebrow { color: var(--amber); }
  .honest p { color: var(--text-2); max-width: 60ch; font-size: 16px; }
  @media (max-width: 900px) { .approach { grid-template-columns: 1fr; gap: 32px; } }

  /* Harness (zweite Spur) */
  .harness-head { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; margin-bottom: 40px; }
  .harness-head .lead { max-width: 58ch; }
  .harness-head .law { display: grid; gap: 12px; }
  .law-item { display: grid; grid-template-columns: 8px 1fr; gap: 14px; align-items: start; padding: 14px 18px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); font-size: 15px; color: var(--text-2); }
  .law-item::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--amber); margin-top: 8px; }
  .law-item b { color: var(--text); font-weight: 500; display: block; }
  .offers { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .offer { display: grid; gap: 16px; align-content: start; padding: 28px 28px 30px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
  .offer .fmt { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
  .offer h3 { font-size: 26px; }
  .offer .kv { grid-template-columns: 100px 1fr; }
  .offer .kv dd { font-size: 15.5px; }
  .harness-def { margin-top: 28px; display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; padding: 22px 26px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2); }
  .harness-def .term { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); white-space: nowrap; }
  .harness-def p { color: var(--text-2); font-size: 15.5px; max-width: 70ch; }
  @media (max-width: 900px) { .harness-head { grid-template-columns: 1fr; gap: 24px; } .offers { grid-template-columns: 1fr; } .harness-def { grid-template-columns: 1fr; gap: 14px; } }
  /* Unterseite entwicklung.html */
  .law-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .law-grid .law-item { padding: 20px 22px; }
  .about-compact { display: grid; gap: 18px; justify-items: start; }
  .about-compact > * { max-width: 72ch; }
  .about-compact .role { color: var(--text); font-size: 18px; }
  @media (max-width: 900px) { .law-grid { grid-template-columns: 1fr; } }
  /* Verweis-Zeile (z. B. auf die Seite für Softwareteams) */
  .aside { margin-top: 22px; font-size: 15px; color: var(--muted); max-width: 80ch; }
  .aside a { color: var(--text-2); text-decoration: underline; text-underline-offset: 3px; }
  .aside a:hover { color: var(--text); }
  @media (max-width: 820px) { .offer .kv { grid-template-columns: 1fr; } }

  /* About (Wer dahintersteht) */
  .about { display: grid; grid-template-columns: 300px 1fr; gap: 56px; align-items: start; }
  .portrait { position: relative; aspect-ratio: 4 / 5; max-width: 100%; border-radius: 12px; overflow: hidden; background: var(--surface); border: 1px solid var(--line); }
  .portrait img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .portrait .ph { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 20px; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); background: repeating-linear-gradient(135deg, transparent 0 14px, rgba(90,166,255,.05) 14px 15px); }
  .about-text { display: grid; gap: 18px; }
  .about-text h2 { font-size: clamp(34px, 4.6vw, 52px); }
  .about-text .role { color: var(--text); font-size: 18px; max-width: 60ch; }
  .about-text p { color: var(--text-2); max-width: 60ch; }
  .proofs { display: grid; gap: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--surface); margin-top: 4px; }
  .proof { display: grid; grid-template-columns: 24px 1fr; gap: 14px; padding: 16px 20px; color: var(--text-2); font-size: 15.5px; }
  .proof + .proof { border-top: 1px solid var(--line-soft); }
  .proof .n { font-family: var(--serif); font-size: 22px; line-height: 1.1; color: var(--accent); }
  .proof strong { color: var(--text); font-weight: 500; }
  .personal { padding: 20px 24px; border-left: 2px solid var(--accent); background: var(--bg-2); border-radius: 0 8px 8px 0; }
  .personal p { color: var(--text); font-family: var(--serif); font-size: 21px; line-height: 1.35; }
  .certs { font-family: var(--mono); font-size: 13px; color: var(--muted); line-height: 1.8; }
  .certs b { color: var(--text-2); font-weight: 500; }
  @media (max-width: 820px) { .about { grid-template-columns: 1fr; gap: 28px; } .portrait { max-width: 260px; } }

  /* Boundary */
  .boundary { display: grid; gap: 16px; max-width: 64ch; }
  .boundary p { color: var(--text-2); }
  .boundary p strong { color: var(--text); font-weight: 500; }

  /* CTA */
  .cta { background: var(--bg-2); }
  .cta .wrap { display: grid; gap: 22px; justify-items: start; }
  .cta h2 { max-width: 18ch; }
  .cta .lead { max-width: 52ch; }
  .cta .mail { font-family: var(--mono); font-size: 14px; color: var(--muted); }
  .cta .mail a { color: var(--text-2); }

  footer { border-top: 1px solid var(--line-soft); padding-block: 28px; font-size: 14px; color: var(--muted); }
  footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
  footer nav { display: flex; gap: 20px; }
  footer a { text-decoration: none; }
  footer a:hover { color: var(--text); }

  .fade { animation: rise .6s ease both; }
  @keyframes rise { from { opacity: .001; transform: translateY(8px); } to { opacity: 1; transform: none; } }