* {
    margin:0;
    padding:0;
    box-sizing:border-box
}

:root {
    --bg:#05070d;
    --bg-soft:#08111f;
    --text:#e8f1ff;
    --text-soft:#9ca8bd;
    --muted:#64748b;
    --blue:#2563eb;
    --cyan:#38bdf8;
    --cyan-soft:#67e8f9;
    --border:rgba(255,255,255,.09);
    --border-strong:rgba(56,189,248,.42);
    --glass:rgba(255,255,255,.035);
    --glass-strong:rgba(255,255,255,.07);
    --shadow-blue:rgba(37,99,235,.35)
}

html {
    scroll-behavior:smooth
}

body {
    font-family:"Inter",sans-serif;
    background:var(--bg);
    color:var(--text);
    overflow-x:hidden
}

a {
    color:inherit;
    text-decoration:none
}

body::before {
    content:"";
    position:fixed;
    inset:0;
    background:radial-gradient(circle at 20% 15%,rgba(59,130,246,.22),transparent 28%),radial-gradient(circle at 80% 20%,rgba(34,211,238,.13),transparent 30%),radial-gradient(circle at 50% 90%,rgba(37,99,235,.16),transparent 35%),linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 45%,var(--bg) 100%);
    z-index:-4
}

body::after {
    content:"";
    position:fixed;
    inset:0;
    background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
    background-size:64px 64px;
    mask-image:linear-gradient(to bottom,black,transparent 85%);
    z-index:-3
}

.container {
    width:min(1180px,90%);
    margin:auto
}

.cursor-glow {
    position:fixed;
    width:420px;
    height:420px;
    border-radius:50%;
    pointer-events:none;
    background:radial-gradient(circle,rgba(56,189,248,.16),transparent 62%);
    transform:translate(-50%,-50%);
    z-index:-1;
    opacity:0;
    transition:opacity .25s ease
}

.orb {
    position:fixed;
    border-radius:50%;
    filter:blur(150px);
    z-index:-2;
    animation:float 8s ease-in-out infinite alternate
}

.orb-a {
    width:520px;
    height:520px;
    background:var(--blue);
    opacity:.18;
    right:-160px;
    top:180px
}

.orb-b {
    width:420px;
    height:420px;
    background:var(--cyan);
    opacity:.10;
    left:-140px;
    bottom:10%
}

@keyframes float {
    from {
        transform:translateY(-20px)
    }

    to {
        transform:translateY(40px)
    }

}

.site-nav {
    position:fixed;
    top:0;
    width:100%;
    z-index:20;
    backdrop-filter:blur(20px);
    background:rgba(5,7,13,.68);
    border-bottom:1px solid rgba(255,255,255,.06);
    transition:.25s
}

.site-nav.scrolled {
    background:rgba(5,7,13,.9);
    border-color:rgba(56,189,248,.16);
    box-shadow:0 18px 60px rgba(0,0,0,.24)
}

.nav-inner {
    height:78px;
    display:flex;
    align-items:center;
    justify-content:space-between
}

.logo {
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
  line-height: 0;
  overflow: hidden;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity .18s ease, transform .18s ease;
}

.logo:hover {
  opacity: .94;
  transform: translateY(-1px);
}

.logo img {
  display: block;
  width: auto;
  height: 28px;
}

@media (prefers-reduced-motion: reduce) {
  .logo::after {
    animation: none;
    display: none;
  }
}

.nav-links {
    display:flex;
	align-items: center;
    gap:26px;
    font-size:14px;
    color:#a8b3c7
}

.nav-links a {
    transition:color .2s ease
}

.nav-links a:hover,.nav-links a.active {
    color:var(--cyan)
}

.nav-toggle {
    display:none;
    background:none;
    border:0;
    width:44px;
    height:44px;
    gap:6px;
    flex-direction:column;
    align-items:center;
    justify-content:center
}

.nav-toggle span {
    display:block;
    width:22px;
    height:2px;
    background:var(--text);
    border-radius:99px
}

.section-pad {
    padding:120px 0
}

.section-pad.compact {
    padding:86px 0
}

.hero {
    min-height:100vh;
    display:flex;
    align-items:center;
    padding-top:78px
}

.hero-grid {
    display:grid;
    grid-template-columns:1.08fr .92fr;
    gap:80px;
    align-items:center
}

.eyebrow {
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--cyan);
    font-size:13px;
    font-weight:700;
    letter-spacing:.18em;
    text-transform:uppercase;
    margin-bottom:28px
}

.eyebrow::before {
    content:"";
    width:36px;
    height:1px;
    background:var(--cyan);
    box-shadow:0 0 18px var(--cyan)
}

.eyebrow.small {
    font-size:12px;
    margin-bottom:18px
}

.eyebrow.small::before {
    width:28px
}

h1 {
    font-size:clamp(3.2rem,6.3vw,6.2rem);
    line-height:.92;
    letter-spacing:-.075em;
    font-weight:900;
    margin-bottom:32px
}

h1 span {
    display:block;
    background:linear-gradient(120deg,#fff 0%,#8bd7ff 45%,var(--blue) 100%);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent
}

h2 {
    font-size:clamp(2.1rem,4vw,4rem);
    line-height:1;
    letter-spacing:-.06em;
    margin-bottom:18px
}

h3 {
    letter-spacing:-.025em
}

.lead {
    max-width:690px;
    font-size:19px;
    line-height:1.8;
    color:var(--text-soft);
    margin-bottom:18px
}

.sublead {
    max-width:640px;
    color:#7e8ca5;
    line-height:1.8;
    margin-bottom:38px
}

.actions {
    display:flex;
    gap:16px;
    flex-wrap:wrap
}

.actions.center {
    justify-content:center
}

.btn {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:48px;
    padding:0 24px;
    border-radius:14px;
    font-weight:800;
    font-size:14px;
    letter-spacing:.01em;
    border:1px solid transparent;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease
}

.btn:hover {
    transform:translateY(-2px)
}

.btn.primary {
    background:linear-gradient(180deg,#38bdf8 0%,#2563eb 100%);
    color:white;
    box-shadow:0 18px 50px rgba(37,99,235,.30),inset 0 1px 0 rgba(255,255,255,.28)
}

.btn.primary:hover {
    box-shadow:0 22px 60px rgba(56,189,248,.32),inset 0 1px 0 rgba(255,255,255,.34)
}

.btn.secondary {
    background:rgba(255,255,255,.035);
    border-color:rgba(255,255,255,.12);
    color:#d7e5f7
}

.btn.secondary:hover {
    background:rgba(56,189,248,.08);
    border-color:var(--border-strong)
}

.quick-strip {
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    margin-top:44px
}

.quick-strip span,.tag-cloud span {
    display:inline-flex;
    align-items:center;
    border:1px solid rgba(255,255,255,.10);
    background:rgba(255,255,255,.035);
    color:#cbd5e1;
    border-radius:999px;
    padding:9px 13px;
    font-size:13px
}

.terminal-card {
    border:1px solid var(--border);
    background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
    border-radius:28px;
    box-shadow:0 30px 100px rgba(0,0,0,.36),0 0 0 1px rgba(56,189,248,.04) inset;
    overflow:hidden
}

.terminal-top {
    height:52px;
    display:flex;
    align-items:center;
    gap:9px;
    padding:0 18px;
    border-bottom:1px solid var(--border);
    background:rgba(255,255,255,.04)
}

.terminal-top span {
    width:12px;
    height:12px;
    border-radius:50%;
    background:#ef4444
}

.terminal-top span:nth-child(2) {
    background:#f59e0b
}

.terminal-top span:nth-child(3) {
    background:#22c55e
}

.terminal-top strong {
    margin-left:auto;
    font-size:12px;
    color:#7f8ca3;
    font-weight:700
}

.terminal-card pre {
    padding:28px;
    overflow:auto;
    font:500 14px/1.75 "Courier New",monospace;
    color:#c7d7ec
}

.prompt {
    color:var(--cyan)
}

.ok {
    color:#86efac
}

.split-section {
    display:grid;
    grid-template-columns:.7fr 1.3fr;
    gap:70px;
    align-items:start
}

.text-panel {
    padding:34px;
    border:1px solid var(--border);
    background:rgba(255,255,255,.035);
    border-radius:24px
}

.text-panel p {
    color:var(--text-soft);
    line-height:1.9;
    font-size:17px
}

.text-panel p+p {
    margin-top:18px
}

.section-head {
    max-width:760px;
    margin-bottom:40px
}

.section-head p,.tech-wrap p,.cta p {
    color:var(--text-soft);
    line-height:1.8;
    font-size:17px
}

.cards {
    display:grid;
    gap:22px
}

.expertise-grid {
    grid-template-columns:repeat(3,1fr)
}

.card {
    position:relative;
    padding:28px;
    border:1px solid var(--border);
    border-radius:24px;
    background:rgba(255,255,255,.035);
    overflow:hidden;
    transition:.25s
}

.card::after {
    content:"";
    position:absolute;
    inset:auto -20% -60% -20%;
    height:120px;
    background:radial-gradient(circle,rgba(56,189,248,.18),transparent 65%);
    opacity:0;
    transition:.25s
}

.card:hover {
    transform:translateY(-4px);
    border-color:rgba(56,189,248,.32);
    background:rgba(255,255,255,.052)
}

.card:hover::after {
    opacity:1
}

.card .icon {
    width:44px;
    height:44px;
    border-radius:14px;
    border:1px solid rgba(56,189,248,.28);
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--cyan);
    font-weight:900;
    background:rgba(56,189,248,.08);
    margin-bottom:24px
}

.card h3 {
    font-size:21px;
    margin-bottom:12px
}

.card p {
    color:var(--text-soft);
    line-height:1.75
}

.tech-wrap {
    display:grid;
    grid-template-columns:.6fr 1.4fr;
    gap:56px;
    padding:34px;
    border:1px solid var(--border);
    border-radius:28px;
    background:rgba(255,255,255,.032)
}

.tag-cloud {
    display:flex;
    flex-wrap:wrap;
    gap:10px
}

.tag-cloud.large span {
    padding:10px 14px
}

.process {
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:14px
}

.process div {
    padding:22px;
    border:1px solid var(--border);
    border-radius:20px;
    background:rgba(255,255,255,.035)
}

.process strong {
    display:block;
    font-size:18px;
    margin-bottom:8px
}

.process span {
    display:block;
    color:var(--text-soft);
    font-size:13px;
    line-height:1.6
}

.timeline {
    display:grid;
    gap:22px
}

.timeline-item {
    display:grid;
    grid-template-columns:180px 1fr;
    gap:28px
}

.time {
    color:var(--cyan);
    font-weight:800;
    padding-top:26px
}

.timeline-card {
    padding:26px;
    border:1px solid var(--border);
    border-radius:24px;
    background:rgba(255,255,255,.035)
}

.timeline-card h3 {
    font-size:22px;
    margin-bottom:8px
}

.timeline-card .role {
    color:#a8b3c7;
    margin-bottom:16px
}

.timeline-card ul {
    padding-left:20px;
    color:var(--text-soft);
    line-height:1.8
}

.center-actions {
    text-align:center;
    margin-top:34px
}

.why-grid {
    grid-template-columns:repeat(4,1fr)
}

.compact-card {
    padding:24px
}

.compact-card h3 {
    font-size:19px
}

.cta {
    text-align:center;
    border:1px solid rgba(56,189,248,.20);
    border-radius:32px;
    background:linear-gradient(180deg,rgba(56,189,248,.09),rgba(255,255,255,.03));
    padding:70px 34px;
    box-shadow:0 30px 120px rgba(37,99,235,.12)
}

.cta h2 {
    max-width:820px;
    margin-left:auto;
    margin-right:auto
}

.cta p {
    max-width:700px;
    margin:0 auto 32px
}

footer {
    border-top:1px solid rgba(255,255,255,.06);
    padding:28px 0;
    color:#7f8ca3
}

.footer-inner {
    display:flex;
    justify-content:space-between;
    gap:20px;
    flex-wrap:wrap
}

.footer-inner a {
    margin-left:18px
}

.footer-inner a:hover {
    color:var(--cyan)
}

.reveal {
    opacity:0;
    transform:translateY(22px);
    transition:opacity .7s ease,transform .7s ease
}

.reveal.visible {
    opacity:1;
    transform:translateY(0)
}

.delay-1 {
    transition-delay:.12s
}

@media (max-width:980px) {
    .hero-grid,.split-section,.tech-wrap {
        grid-template-columns:1fr;
        gap:42px
    }

    .expertise-grid {
        grid-template-columns:repeat(2,1fr)
    }

    .process {
        grid-template-columns:repeat(2,1fr)
    }

    .why-grid {
        grid-template-columns:repeat(2,1fr)
    }

    .timeline-item {
        grid-template-columns:1fr;
        gap:10px
    }

    .time {
        padding-top:0
    }

    .nav-links {
        position:fixed;
        top:78px;
        left:0;
        right:0;
        display:none;
        flex-direction:column;
        gap:0;
        padding:18px 5%;
        background:rgba(5,7,13,.95);
        border-bottom:1px solid rgba(255,255,255,.08)
    }

    .nav-links.open {
        display:flex
    }

    .nav-links a {
        padding:14px 0
    }

    .nav-toggle {
        display:flex
    }

}

@media (max-width:640px) {
    .container {
        width:min(100% - 34px,1180px)
    }

    .section-pad {
        padding:90px 0
    }

    .section-pad.compact {
        padding:64px 0
    }

    .hero {
        min-height:auto;
        padding-top:140px;
        padding-bottom:70px
    }

    h1 {
        font-size:clamp(3rem,16vw,4.2rem)
    }

    .lead {
        font-size:17px
    }

    .expertise-grid,.process,.why-grid {
        grid-template-columns:1fr
    }

    .terminal-card pre {
        font-size:12px;
        padding:20px
    }

    .footer-inner {
        display:block
    }

    .footer-inner div {
        margin-top:14px
    }

    .footer-inner a {
        margin-left:0;
        margin-right:18px
    }

}

.nav-links .nav-cv-link {
    padding:9px 14px;
    border:1px solid rgba(56,189,248,.28);
    border-radius:12px;
    color:#dff8ff;
    background:rgba(56,189,248,.06)
}

.nav-links .nav-cv-link:hover,.nav-links .nav-cv-link.active {
    border-color:rgba(56,189,248,.55);
    background:rgba(56,189,248,.11);
    color:#fff
}

@media (max-width:980px) {
    .nav-links .nav-cv-link {
        margin-top:6px;
        text-align:center
    }

}



@media (max-width: 640px) {
  .logo img { height: 24px; }
}

/* Fachbereiche: kompakter Master-Detail-Browser */
.expertise-browser {
    display:grid;
    grid-template-columns:minmax(250px, .72fr) minmax(0, 1.8fr);
    min-height:590px;
    border:1px solid var(--border);
    border-radius:28px;
    overflow:hidden;
    background:linear-gradient(145deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
    box-shadow:0 28px 90px rgba(0,0,0,.24)
}

.expertise-menu {
    padding:18px;
    border-right:1px solid var(--border);
    background:rgba(4,8,16,.48)
}

.expertise-tab {
    width:100%;
    display:flex;
    align-items:center;
    gap:13px;
    padding:15px 16px;
    border:1px solid transparent;
    border-radius:14px;
    background:transparent;
    color:#aab6ca;
    font:inherit;
    font-size:14px;
    font-weight:600;
    text-align:left;
    cursor:pointer;
    transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease
}

.expertise-tab + .expertise-tab { margin-top:5px }
.expertise-tab span { color:#52637d;font-size:11px;letter-spacing:.09em }
.expertise-tab:hover { color:#fff;background:rgba(255,255,255,.04);transform:translateX(2px) }
.expertise-tab.active {
    color:#fff;
    border-color:rgba(56,189,248,.28);
    background:linear-gradient(90deg,rgba(37,99,235,.20),rgba(56,189,248,.075));
    box-shadow:inset 3px 0 0 var(--cyan)
}
.expertise-tab.active span { color:var(--cyan) }
.expertise-tab:focus-visible { outline:2px solid var(--cyan);outline-offset:2px }

.expertise-stage { position:relative;padding:42px 46px;min-width:0 }
.expertise-panel { animation:expertiseFade .24s ease }
.expertise-panel[hidden] { display:none }
@keyframes expertiseFade { from { opacity:0;transform:translateY(6px) } to { opacity:1;transform:none } }

.expertise-kicker {
    color:var(--cyan);
    font-size:11px;
    font-weight:700;
    letter-spacing:.15em;
    text-transform:uppercase;
    margin-bottom:13px
}
.expertise-panel h3 { font-size:clamp(2rem,3.5vw,3.25rem);margin-bottom:16px;letter-spacing:-.05em }
.expertise-intro { max-width:780px;color:#b4bfd0;font-size:17px;line-height:1.75;margin-bottom:32px }
.expertise-columns { display:grid;grid-template-columns:1fr 1fr;gap:38px;margin-bottom:30px }
.expertise-columns h4,.project-reference strong {
    display:block;
    color:#eef7ff;
    font-size:12px;
    letter-spacing:.12em;
    text-transform:uppercase;
    margin-bottom:14px
}
.expertise-columns ul { list-style:none;display:grid;gap:10px;color:var(--text-soft) }
.expertise-columns li { position:relative;padding-left:18px;line-height:1.5 }
.expertise-columns li::before { content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.55) }
.expertise-tags { display:flex;flex-wrap:wrap;gap:9px }
.expertise-tags span {
    padding:8px 11px;
    border:1px solid rgba(56,189,248,.16);
    border-radius:9px;
    background:rgba(56,189,248,.055);
    color:#cdeeff;
    font-size:12px
}
.project-reference {
    display:grid;
    grid-template-columns:130px 1fr;
    gap:18px;
    padding:20px 22px;
    border:1px solid rgba(255,255,255,.075);
    border-radius:16px;
    background:rgba(255,255,255,.027)
}
.project-reference strong { margin:2px 0 0;color:var(--cyan) }
.project-reference span { color:#9daabd;line-height:1.65 }

@media (max-width:980px) {
    .expertise-browser { grid-template-columns:1fr;min-height:0 }
    .expertise-menu {
        display:flex;
        gap:8px;
        overflow-x:auto;
        padding:14px;
        border-right:0;
        border-bottom:1px solid var(--border);
        scrollbar-width:thin
    }
    .expertise-tab { flex:0 0 auto;width:auto;white-space:nowrap;margin:0!important }
    .expertise-tab:hover { transform:none }
    .expertise-tab.active { box-shadow:inset 0 -3px 0 var(--cyan) }
}

@media (max-width:640px) {
    .expertise-browser { border-radius:20px }
    .expertise-stage { padding:30px 22px }
    .expertise-columns { grid-template-columns:1fr;gap:28px }
    .project-reference { grid-template-columns:1fr;gap:7px }
    .expertise-panel h3 { font-size:2rem }
    .expertise-intro { font-size:15px }
}