/* brabanski.net – Vorschlag 2 / Tech Edition
 Keine externen Fonts, keine CDNs, kein Tracking.
*/

:root {
 --bg: #0a0c0f;
 --panel: #111419;
 --panel-2: #161a20;
 --paper: #f2f4f1;
 --ink: #0d1014;
 --text: #e9ece8;
 --muted: #939aa3;
 --line: rgba(255,255,255,.12);
 --line-dark: rgba(13,16,20,.16);
 --accent: #a7ff4f;
 --accent-2: #69d7ff;
 --shell: 1180px;
 --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
 --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0; background: var(--bg); color: var(--text);
 font-family: var(--sans); font-size: 16px; line-height: 1.6;
 -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
::selection { background: var(--accent); color: #000; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }
.skip-link { position:fixed;left:20px;top:-60px;z-index:999;padding:10px 14px;background:var(--accent);color:#000;text-decoration:none; }
.skip-link:focus { top:20px; }

.site-header {
 position: sticky; top: 0; z-index: 100; background: rgba(10,12,15,.82);
 backdrop-filter: blur(18px); border-bottom: 1px solid transparent;
}
.site-header.is-scrolled { border-color: var(--line); }
.nav-wrap { min-height: 92px; padding-top: 10px; padding-bottom: 6px; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand img { width: 225px; filter: invert(1); }
.nav { display:flex; gap:26px; align-items:center; }
.nav a { text-decoration:none; font-family:var(--mono); font-size:.78rem; color:#c4c9cf; }
.nav a:hover { color:var(--accent); }
.nav-cta { border:1px solid #48505a; padding:10px 14px; }
.nav-toggle { display:none; background:none; border:0; color:white; }
.nav-toggle > span:not(.sr-only) { display:block;width:22px;height:1px;background:currentColor;margin:5px; }

.hero-tech {
 position: relative; overflow:hidden;
 background:
 linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
 linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
 background-size: 38px 38px;
 padding: clamp(80px, 10vw, 145px) 0 clamp(100px, 12vw, 170px);
}
.hero-tech:before {
 content:""; position:absolute; width:520px; height:520px; border-radius:50%;
 background:var(--accent); filter:blur(150px); opacity:.08; top:-200px; right:-120px;
}
.hero-tech-grid { display:grid; grid-template-columns:1.45fr .55fr; gap:80px; align-items:center; }
.system-line {
 display:inline-flex; align-items:center; gap:10px; padding:7px 10px;
 border:1px solid #28303a; background:#0d1116; font: .72rem var(--mono); color:#8d96a0; margin-bottom:28px;
}
.dot { width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 12px rgba(167,255,79,.75); }
.system-line strong { color:var(--accent); font-weight:500; }
.eyebrow,.section-kicker { margin:0 0 22px; font:700 .72rem var(--mono); letter-spacing:.08em; color:#9ea6af; }
.hero-tech h1 {
 margin:0; max-width:880px; font-size:clamp(3.5rem,7vw,6.8rem);
 line-height:.94; letter-spacing:-.06em; font-weight:720;
}
.hero-tech h1 em { display:block; color:var(--accent); font-style:normal; margin-top:.14em; }
.hero-lead { max-width:760px; color:#b7bdc5; font-size:clamp(1.12rem,1.5vw,1.35rem); margin:34px 0 0; }
.hero-actions { display:flex; flex-wrap:wrap; gap:24px; align-items:center; margin-top:36px; }
.button { display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 20px;text-decoration:none;border:1px solid transparent;font-weight:750;transition:.18s ease; }
.button:hover { transform:translateY(-2px); }
.button-accent { background:var(--accent); color:#050704; }
.button-accent:hover { box-shadow:0 0 0 4px rgba(167,255,79,.12); }
.text-link { font:700 .8rem var(--mono); color:#c5cbd2; text-underline-offset:5px; }

.terminal-card { border:1px solid #2b333d; background:rgba(15,18,23,.94); box-shadow:0 25px 80px rgba(0,0,0,.28); }
.terminal-head { display:flex;gap:7px;align-items:center;padding:12px 14px;border-bottom:1px solid #262d35;background:#12161b; }
.terminal-head span { width:8px;height:8px;border-radius:50%;background:#49505a; }
.terminal-head small { margin-left:auto;font: .68rem var(--mono);color:#737d88; }
.terminal-body { padding:24px; font-family:var(--mono); font-size:.78rem; }
.terminal-body p { color:#8f98a2;margin:0 0 8px; }
.terminal-body strong { display:block;color:white;margin-bottom:22px; }
.terminal-body ul { list-style:none;padding:0;margin:0;color:#b9c0c7; }
.terminal-body li:before { content:"+ ";color:var(--accent); }
.cmd { color:var(--accent); }

.tech-strip { border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;background:#0d1014; }
.tech-strip-track { width:max-content;display:flex;gap:46px;padding:14px 24px;font:700 .68rem var(--mono);color:#6f7780;letter-spacing:.08em; }
.tech-strip-track span:before { content:"// "; color:#3d444c; }

.section { padding:clamp(90px,10vw,145px) 0; }
.intro-tech {
    position:relative;
    background:#10141a;
    color:var(--text);
    border-top:1px solid #28303a;
    border-bottom:1px solid #242b33;
}
.intro-tech::before {
    content:"";
    position:absolute;
    inset:0;
    pointer-events:none;
    background:
        radial-gradient(circle at 15% 20%, rgba(105,215,255,.055), transparent 28%),
        linear-gradient(90deg, transparent 0, rgba(255,255,255,.018) 50%, transparent 100%);
}
.split { display:grid;grid-template-columns:.8fr 1.2fr;gap:90px; }
.section h2,.legal-page h1 { margin:0;font-size:clamp(2.6rem,5vw,4.9rem);line-height:.98;letter-spacing:-.05em; }
.intro-tech .section-kicker { color:#7f8994; }
.prose-large { font-size:clamp(1.22rem,2vw,1.58rem);line-height:1.48; }
.prose-large p { margin:0 0 28px; }
.prose-large p:last-child { color:#929ba5; }

.section-tech-dark {
    position:relative;
    background:#0b0e12;
    border-bottom:1px solid #242b33;
}
.section-tech-dark::before,
.teaching-tech::before,
.contact-tech::before {
    content:"";
    position:absolute;
    left:50%;
    top:-1px;
    width:min(1180px, calc(100% - 48px));
    height:1px;
    transform:translateX(-50%);
    background:linear-gradient(90deg, transparent, #34404b 12%, #34404b 88%, transparent);
}
.section-tech-dark::after {
    content:"";
    position:absolute;
    right:6vw;
    top:0;
    width:72px;
    height:14px;
    border-top:1px solid #34404b;
    border-left:1px solid #34404b;
    transform:skewX(-38deg);
    opacity:.8;
}
.section-head { display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:58px; }
.section-head>p { color:#8e96a0;max-width:330px; }
.tech-capability-grid { display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#28303a;border:1px solid #28303a; }
.tech-capability-grid article { min-height:320px;background:#11151a;padding:26px;display:flex;flex-direction:column; }
.cap-top { display:flex;justify-content:space-between;color:#6f7882;font: .72rem var(--mono); }
.cap-top code { color:var(--accent);font-size:1rem; }
.tech-capability-grid h3 { margin:70px 0 14px;font-size:1.42rem;letter-spacing:-.025em; }
.tech-capability-grid p { margin:0;color:#aeb5bd; }
.tag-row { margin-top:auto;padding-top:30px;display:flex;flex-wrap:wrap;gap:7px; }
.tag-row span { border:1px solid #303842;padding:5px 8px;color:#7f8994;font: .65rem var(--mono); }

.architecture { background:#e9ebe7;color:#101318; }
.architecture-grid { display:grid;grid-template-columns:.7fr 1.3fr;gap:90px; }
.architecture .section-kicker { color:#687079; }
.flow-diagram { border-left:1px solid #a9afb3;padding-left:28px; }
.flow-diagram article { border:1px solid #bfc4c6;background:#f5f6f3;padding:28px; }
.flow-diagram article>span { font:700 .68rem var(--mono); color:#69717a; }
.flow-diagram strong { display:block;margin:8px 0;font-size:1.3rem; }
.flow-diagram p { margin:0;color:#5c6268; }
.flow-arrow { font:700 1.2rem var(--mono);color:#6d747b;padding:8px 0 8px 18px; }

.teaching-tech {
    position:relative;
    background:#11161c;
    border-bottom:1px solid #252d36;
}
.teaching-tech::after {
    content:"03";
    position:absolute;
    right:max(24px, calc((100vw - 1180px)/2));
    top:42px;
    font:700 .62rem var(--mono);
    letter-spacing:.14em;
    color:#303944;
}
.teaching-tech-grid { display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center; }
.teaching-copy { max-width:570px;color:#aab1b8;font-size:1.08rem; }
.code-card { border:1px solid #303842;background:#0d1014; }
.code-card-head { border-bottom:1px solid #303842;padding:11px 14px;font:.7rem var(--mono);color:#7f8892; }
.code-card pre { margin:0;padding:28px;color:#b9c2ca;font: .86rem/1.7 var(--mono);white-space:pre-wrap; }
.code-card pre::first-line { color:var(--accent); }

.contact-tech {
    position:relative;
    background:#090c10;
}
.contact-tech::after {
    content:"";
    position:absolute;
    inset:0;
    pointer-events:none;
    background:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
    background-size:42px 42px;
    mask-image:linear-gradient(to bottom, transparent, rgba(0,0,0,.55), transparent);
} 
.contact-tech > .shell { position:relative; z-index:1; }
.contact-grid { display:grid;grid-template-columns:.72fr 1.28fr;gap:90px; }
.contact-copy h2 { font-size:clamp(2.8rem,5vw,4.9rem);line-height:.97;letter-spacing:-.055em;margin:0 0 28px; }
.contact-copy>p:not(.section-kicker) { color:#a7afb7;font-size:1.08rem; }
.contact-status { display:flex;align-items:center;gap:10px;margin-top:34px;color:#79828c;font:.72rem var(--mono); }
.form-wrap { background:#11151a;border:1px solid #2a323b;padding:clamp(24px,4vw,48px); }
.contact-form { display:grid;gap:22px; }
.form-row { display:grid;grid-template-columns:1fr 1fr;gap:18px; }
.contact-form label:not(.consent) { display:grid;gap:7px; }
.contact-form label>span { color:#8d96a0;font:700 .7rem var(--mono); }
input[type=text],input[type=email],textarea {
 width:100%;border:1px solid #303842;background:#0b0e12;color:white;padding:13px 14px;outline:none;border-radius:0;
}
input:focus,textarea:focus { border-color:var(--accent);box-shadow:0 0 0 2px rgba(167,255,79,.08); }
textarea { resize:vertical;min-height:160px; }
.hp-field { position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden; }
.consent { display:grid;grid-template-columns:18px 1fr;gap:11px;align-items:start;color:#8f98a1;font-size:.8rem; }
.consent input { margin-top:4px; }
.form-submit { display:flex;justify-content:space-between;gap:20px;align-items:center; }
.form-submit p { color:#717b85;font:.68rem var(--mono);max-width:250px;margin:0; }
.notice { padding:13px 14px;margin-bottom:20px;font-size:.86rem; }
.notice.success { background:#172315;color:#c8f3b0;border:1px solid #34502d; }
.notice.error { background:#281719;color:#f2c1c4;border:1px solid #5a2b30; }
.notice.warning { background:#201d11;color:#e8d58f;border:1px solid #4d431f; }

.legal-page {
    position:relative;
    background:#0d1116;
    color:var(--text);
    padding:80px 0 130px;
    min-height:65vh;
}
.legal-page::before {
    content:"";
    position:absolute;
    inset:0;
    pointer-events:none;
    background:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
    background-size:42px 42px;
    mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 60%);
}
.legal-page > .shell { position:relative; z-index:1; }
.legal-shell { max-width:900px; }
.legal-page .section-kicker { color:#7e8994; }
.legal-intro { max-width:760px;font-size:1.18rem;color:#9ca5ae;margin:30px 0 55px; }
.legal-content { margin-top:55px; }
.legal-content section { padding:30px 0;border-top:1px solid #2b333d; }
.legal-content h2 { font-size:1.22rem;margin:0 0 14px; }
.legal-content p { max-width:760px;color:#aeb6bf; }
.legal-content code,.notice code { background:rgba(255,255,255,.07);padding:2px 5px; }

.site-footer {
    background:#050608;
    color:#d8dde2;
    padding:26px 0;
    border-top:1px solid #242a31;
}
.footer-simple {
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:28px;
    font:.69rem var(--mono);
    color:#737d87;
}
.footer-signature {
    display:flex;
    align-items:center;
    gap:10px;
    color:#9aa3ac;
}
.footer-prompt { color:var(--accent); }
.footer-nav { display:flex; gap:24px; }
.footer-nav a {
    color:#929ba5;
    font:.69rem var(--mono);
    text-decoration:none;
}
.footer-nav a:hover { color:var(--accent); }
.footer-status {
    display:flex;
    justify-content:flex-end;
    align-items:center;
    gap:10px;
}
.footer-dot {
    width:4px;
    height:4px;
    border-radius:50%;
    background:#46505a;
}

@media(max-width:900px){
 .shell{width:min(calc(100% - 32px),var(--shell))}
 .nav-toggle{display:block;z-index:2}
 .nav{display:none;position:absolute;top:73px;left:16px;right:16px;background:#0d1116;border:1px solid #2b333d;padding:20px;flex-direction:column;align-items:stretch}
 .nav-open .nav{display:flex}
 .hero-tech-grid,.split,.architecture-grid,.teaching-tech-grid,.contact-grid{grid-template-columns:1fr;gap:55px}
 .terminal-card{max-width:500px}
 .tech-capability-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
 .brand img{width:190px}
 .nav-wrap{min-height:74px}
 .hero-tech{padding-top:60px}
 .hero-tech h1{font-size:clamp(3rem,16vw,5rem)}
 .tech-capability-grid{grid-template-columns:1fr}
 .tech-capability-grid article{min-height:270px}
 .form-row{grid-template-columns:1fr}
 .form-submit{align-items:stretch;flex-direction:column}
 .form-submit .button{width:100%}
 .footer-grid,.footer-meta{align-items:flex-start;flex-direction:column}
 .footer-nav{flex-direction:column;gap:10px}
}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *,*::before,*::after{transition:none!important;animation:none!important}
}
/* Mobile Optimierungen */
@media (max-width: 900px) {

    /* Capabilities: Beschreibung unter die Überschrift */
    .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }

    .section-head > p {
        max-width: 100%;
        margin: 0;
    }

    /* Footer */
    .footer-simple {
        grid-template-columns: 1fr;
        gap: 18px;
        align-items: flex-start;
    }

    .footer-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 12px 22px;
    }

    .footer-status {
        justify-content: flex-start;
        flex-wrap: wrap;
    }
}