/* ===== Basis & Design-Tokens ===== */
:root {
  --bg: #070a10;
  --bg-alt: #0a0e16;
  --surface: rgba(19, 26, 40, .62);
  --surface-solid: #111722;
  --border: rgba(147, 174, 220, .14);
  --text: #f4f7fc;
  --muted: #94a0b5;
  --blue: #258cff;
  --blue-light: #64b5ff;
  --cyan: #38d9ff;
  --green: #3be38c;
  --shadow: 0 22px 60px rgba(0, 0, 0, .35);
  --radius: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { min-width: 320px; color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; background: var(--bg); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
ul { list-style: none; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(900px, calc(100% - 40px)); }
.section { position: relative; padding: 112px 0; }
.section-alt { background: linear-gradient(180deg, rgba(255,255,255,.012), rgba(37,140,255,.025), rgba(255,255,255,.012)); border-block: 1px solid rgba(255,255,255,.035); }
.accent, .section-heading h2 span, .contact-copy h2 span { color: var(--blue-light); }
.glass-card { background: linear-gradient(145deg, rgba(24, 32, 49, .78), rgba(10, 15, 25, .55)); border: 1px solid var(--border); box-shadow: var(--shadow); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.ambient { position: fixed; width: 420px; height: 420px; z-index: -1; border-radius: 50%; filter: blur(120px); opacity: .09; pointer-events: none; }
.ambient-one { top: -160px; left: -120px; background: var(--blue); }
.ambient-two { right: -180px; bottom: 5%; background: var(--cyan); }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 1000; padding: 10px 16px; background: var(--blue); border-radius: 8px; transition: top .2s; }
.skip-link:focus { top: 12px; }

/* ===== Navigation ===== */
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: 78px; border-bottom: 1px solid transparent; transition: background .3s, border-color .3s, box-shadow .3s; }
.site-header.scrolled { background: rgba(7, 10, 16, .82); border-color: var(--border); box-shadow: 0 10px 30px rgba(0,0,0,.2); backdrop-filter: blur(18px); }
.navbar { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 800; letter-spacing: -.03em; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; color: white; font-size: 13px; letter-spacing: -.03em; border: 1px solid rgba(100,181,255,.55); border-radius: 11px; background: linear-gradient(145deg, rgba(37,140,255,.32), rgba(37,140,255,.08)); box-shadow: inset 0 0 18px rgba(37,140,255,.16), 0 0 22px rgba(37,140,255,.13); }
.nav-menu { display: flex; align-items: center; gap: 32px; }
.nav-link { position: relative; padding: 27px 0; color: #aab4c6; font-size: 14px; font-weight: 600; transition: color .2s; }
.nav-link::after { content: ""; position: absolute; left: 50%; bottom: 19px; width: 0; height: 2px; border-radius: 2px; background: var(--blue); transition: width .25s, left .25s; }
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link.active::after { left: 0; width: 100%; }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 10px; border: 0; background: transparent; cursor: pointer; }
.nav-toggle span { display: block; width: 100%; height: 2px; margin: 5px 0; border-radius: 2px; background: white; transition: transform .25s, opacity .25s; }

/* ===== Gemeinsame Komponenten ===== */
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; color: var(--blue-light); font-size: 12px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow > span { width: 28px; height: 2px; background: var(--blue); box-shadow: 0 0 10px var(--blue); }
.section-heading { max-width: 670px; margin-bottom: 52px; }
.section-heading h2, .contact-copy h2 { font-size: clamp(36px, 5vw, 56px); line-height: 1.1; letter-spacing: -.045em; }
.section-heading > p:last-child { margin-top: 16px; color: var(--muted); }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 22px; border: 1px solid transparent; border-radius: 12px; font-size: 14px; font-weight: 750; cursor: pointer; transition: transform .25s, box-shadow .25s, border-color .25s, background .25s; }
.button:hover { transform: translateY(-3px); }
.button-primary { color: white; background: linear-gradient(135deg, #1676e5, var(--blue)); box-shadow: 0 10px 30px rgba(37,140,255,.25); }
.button-primary:hover { box-shadow: 0 12px 40px rgba(37,140,255,.43), 0 0 20px rgba(37,140,255,.18); }
.button-secondary { border-color: var(--border); background: rgba(255,255,255,.035); }
.button-secondary:hover { border-color: rgba(100,181,255,.45); background: rgba(37,140,255,.08); }

/* ===== Hero ===== */
.hero { min-height: 100svh; display: flex; align-items: center; padding-top: 110px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; opacity: .22; background-image: linear-gradient(rgba(86,126,180,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(86,126,180,.08) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(to bottom, black, transparent 85%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 72px; }
.hero-copy h1 { font-size: clamp(48px, 6.3vw, 78px); line-height: 1.04; letter-spacing: -.06em; }
.hero-copy h1 span { color: transparent; background: linear-gradient(100deg, #fff 15%, var(--blue-light) 90%); background-clip: text; -webkit-background-clip: text; }
.hero-role { margin-top: 25px; color: #d8e0ed; font-size: clamp(18px, 2.2vw, 24px); font-weight: 650; }
.hero-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 8px; color: var(--muted); font-size: 13px; }
.hero-tags i { width: 3px; height: 3px; border-radius: 50%; background: var(--blue); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-status { display: flex; align-items: center; gap: 9px; margin-top: 28px; color: #7f8b9f; font-size: 12px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(59,227,140,.08), 0 0 12px rgba(59,227,140,.8); animation: pulse 2s infinite; }
.tech-visual { position: relative; min-height: 510px; display: grid; place-items: center; perspective: 1000px; }
.terminal { position: relative; z-index: 2; width: min(500px, 100%); overflow: hidden; border-radius: var(--radius); transform: rotateY(-5deg) rotateX(2deg); transition: transform .25s ease-out; }
.terminal-bar { height: 48px; display: flex; align-items: center; justify-content: space-between; padding: 0 17px; color: #68768b; font-family: monospace; font-size: 11px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.018); }
.terminal-dots { display: flex; gap: 6px; }
.terminal-dots i { width: 8px; height: 8px; border-radius: 50%; background: #ff5b62; }
.terminal-dots i:nth-child(2) { background: #e8b840; }.terminal-dots i:nth-child(3) { background: #32c978; }
.terminal-body { min-height: 300px; padding: 27px; color: #c3cfdf; font-family: "SFMono-Regular", Consolas, monospace; font-size: 12px; line-height: 2.15; }
.prompt { color: var(--blue-light); }.success { color: var(--green); }.comment { color: #58667a; }.blue { color: var(--cyan); }
.cursor { display: inline-block; width: 7px; height: 14px; vertical-align: middle; background: var(--blue-light); animation: blink 1s steps(1) infinite; }
.float-badge { position: absolute; z-index: 3; width: 58px; height: 58px; display: grid; place-items: center; border: 1px solid rgba(100,181,255,.25); border-radius: 17px; color: var(--blue-light); font-size: 25px; background: rgba(10,16,27,.78); box-shadow: 0 14px 35px rgba(0,0,0,.3), inset 0 0 18px rgba(37,140,255,.1); backdrop-filter: blur(10px); animation: float 5s ease-in-out infinite; }
.badge-linux { left: -12px; top: 80px; }.badge-shield { right: -8px; top: 135px; animation-delay: -1.3s; }.badge-cloud { right: 35px; bottom: 45px; animation-delay: -2.7s; }
.orbit { position: absolute; width: 430px; height: 430px; border: 1px solid rgba(37,140,255,.11); border-radius: 50%; animation: spin 25s linear infinite; }
.orbit-two { width: 335px; height: 335px; animation-direction: reverse; animation-duration: 18s; }
.orbit span { position: absolute; top: 50%; left: -4px; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 16px var(--blue); }
.scroll-hint { position: absolute; left: 50%; bottom: 25px; width: 24px; height: 38px; display: grid; place-items: start center; padding-top: 7px; border: 1px solid rgba(255,255,255,.2); border-radius: 20px; }
.scroll-hint span { width: 3px; height: 7px; border-radius: 5px; background: var(--blue-light); animation: scrollDown 1.8s infinite; }

/* ===== Über mich & Projekte ===== */
.about-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: start; }
.about-copy { color: #b4bdcc; font-size: 17px; }
.about-copy p + p { margin-top: 20px; color: #778499; }
.focus-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.focus-card { padding: 25px; border-radius: 17px; transition: transform .25s, border-color .25s; }
.focus-card:hover { transform: translateY(-5px); border-color: rgba(100,181,255,.36); }
.focus-card > i { margin-bottom: 22px; color: var(--blue-light); font-size: 27px; }
.focus-card h3 { font-size: 16px; }.focus-card p { color: var(--muted); font-size: 12px; }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.project-card { position: relative; min-height: 380px; display: flex; flex-direction: column; padding: 32px; overflow: hidden; border-radius: var(--radius); transition: transform .3s, border-color .3s; }
.project-card::after { content: ""; position: absolute; right: -80px; bottom: -100px; width: 200px; height: 200px; border-radius: 50%; background: var(--blue); opacity: .05; filter: blur(20px); transition: opacity .3s; }
.project-card:hover { transform: translateY(-7px); border-color: rgba(100,181,255,.35); }.project-card:hover::after { opacity: .12; }
.project-number { position: absolute; top: 23px; right: 27px; color: rgba(255,255,255,.06); font-size: 54px; font-weight: 850; line-height: 1; }
.project-icon { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 27px; color: var(--blue-light); border: 1px solid rgba(100,181,255,.2); border-radius: 15px; font-size: 21px; background: rgba(37,140,255,.09); }
.project-type { color: var(--blue-light) !important; font-size: 10px !important; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.project-card h3 { margin: 4px 0 10px; font-size: 25px; }.project-card > p { color: var(--muted); font-size: 14px; }
.tech-list { display: flex; flex-wrap: wrap; gap: 7px; margin: 21px 0; }
.tech-list span { padding: 5px 9px; color: #93a3ba; font-size: 10px; border: 1px solid var(--border); border-radius: 6px; background: rgba(255,255,255,.025); }
.project-card > a, .project-state { position: relative; z-index: 1; margin-top: auto; color: #d5e8ff; font-size: 12px; font-weight: 700; }
.project-card > a i { margin-left: 6px; color: var(--blue-light); transition: transform .2s; }.project-card > a:hover i { transform: translate(3px,-3px); }
.project-state { display: flex; align-items: center; gap: 7px; color: #8491a4; }.project-state i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px rgba(59,227,140,.7); }

/* ===== Skills & Zeitstrahl ===== */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.skill-card { padding: 22px; border-radius: 15px; transition: border-color .25s, transform .25s; }
.skill-card:hover { transform: translateY(-3px); border-color: rgba(100,181,255,.3); }
.skill-top { display: grid; grid-template-columns: 30px 1fr auto; align-items: center; gap: 10px; margin-bottom: 17px; }
.skill-top > i { color: var(--blue-light); font-size: 19px; }.skill-top h3 { font-size: 13px; }.skill-top span { color: #6e7b8e; font-size: 10px; font-weight: 700; }
.skill-track { height: 4px; overflow: hidden; border-radius: 10px; background: rgba(255,255,255,.06); }
.skill-track i { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #1676e5, var(--cyan)); box-shadow: 0 0 12px rgba(56,217,255,.4); transition: width 1.1s cubic-bezier(.2,.8,.2,1); }
.skill-card.visible .skill-track i { width: calc(var(--level) * 1%); }
.timeline { position: relative; margin-top: 20px; }
.timeline::before { content: ""; position: absolute; left: 27px; top: 12px; bottom: 12px; width: 1px; background: linear-gradient(var(--blue), rgba(37,140,255,.08)); }
.timeline-item { position: relative; display: grid; grid-template-columns: 56px 1fr; gap: 28px; padding-bottom: 28px; }
.timeline-dot { position: relative; z-index: 1; width: 56px; height: 56px; display: grid; place-items: center; color: var(--blue-light); border: 1px solid rgba(100,181,255,.28); border-radius: 50%; background: #0c121d; box-shadow: 0 0 24px rgba(37,140,255,.12); }
.timeline-content { padding: 27px 30px; border-radius: 17px; }.timeline-content span { color: var(--blue-light); font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }.timeline-content h3 { margin: 4px 0 8px; font-size: 20px; }.timeline-content p { color: var(--muted); font-size: 13px; }

/* ===== Kontakt & Footer ===== */
.contact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: center; }
.contact-copy > p:not(.eyebrow) { margin: 22px 0 32px; color: var(--muted); }
.socials { display: flex; flex-wrap: wrap; gap: 10px; }.socials a { display: flex; align-items: center; gap: 9px; padding: 10px 14px; color: #aab6c8; border: 1px solid var(--border); border-radius: 10px; font-size: 12px; transition: color .2s, border-color .2s, transform .2s; }.socials a:hover { color: white; border-color: rgba(100,181,255,.4); transform: translateY(-2px); }.socials i { color: var(--blue-light); font-size: 16px; }
.contact-form { padding: 32px; border-radius: var(--radius); }
.form-row + .form-row { margin-top: 18px; }.form-row label { display: block; margin-bottom: 7px; color: #b9c2d0; font-size: 12px; font-weight: 650; }
.form-row input, .form-row textarea { width: 100%; padding: 13px 14px; color: white; outline: none; border: 1px solid var(--border); border-radius: 10px; background: rgba(4,8,14,.52); transition: border-color .2s, box-shadow .2s; resize: vertical; }
.form-row input::placeholder, .form-row textarea::placeholder { color: #566174; }.form-row input:focus, .form-row textarea:focus { border-color: rgba(37,140,255,.7); box-shadow: 0 0 0 3px rgba(37,140,255,.08); }
.contact-form .button { margin-top: 22px; border: 0; }.form-note { margin-top: 11px; color: #687589; font-size: 10px; }
.site-footer { padding: 25px 0; border-top: 1px solid var(--border); background: #06090e; }.site-footer .container { display: flex; align-items: center; justify-content: space-between; gap: 25px; }.site-footer p { color: #687589; font-size: 11px; }.back-top { width: 38px; height: 38px; display: grid; place-items: center; color: var(--blue-light); border: 1px solid var(--border); border-radius: 10px; font-size: 12px; transition: transform .2s, background .2s; }.back-top:hover { transform: translateY(-3px); background: rgba(37,140,255,.08); }

/* ===== Animationen & Responsive ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }.reveal.visible { opacity: 1; transform: translateY(0); }.delay-1 { transition-delay: .08s; }.delay-2 { transition-delay: .16s; }.delay-3 { transition-delay: .24s; }
@keyframes blink { 50% { opacity: 0; } } @keyframes pulse { 50% { opacity: .55; } } @keyframes float { 50% { transform: translateY(-13px) rotate(2deg); } } @keyframes spin { to { transform: rotate(360deg); } } @keyframes scrollDown { 0% { opacity: 0; transform: translateY(0); } 50% { opacity: 1; } 100% { opacity: 0; transform: translateY(13px); } }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 25px; padding-top: 80px; }.hero-copy { max-width: 720px; }.tech-visual { min-height: 430px; }.terminal { width: min(560px, 90%); }
  .about-layout, .contact-layout { grid-template-columns: 1fr; gap: 42px; }.skills-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: block; }.nav-menu { position: fixed; top: 78px; right: 20px; left: 20px; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 10px; visibility: hidden; opacity: 0; transform: translateY(-12px); border: 1px solid var(--border); border-radius: 16px; background: rgba(10,14,22,.96); box-shadow: var(--shadow); backdrop-filter: blur(20px); transition: opacity .25s, transform .25s, visibility .25s; }.nav-menu.open { visibility: visible; opacity: 1; transform: translateY(0); }.nav-link { display: block; padding: 12px 14px; border-radius: 8px; }.nav-link::after { display: none; }.nav-link.active { background: rgba(37,140,255,.1); }.nav-toggle.open span:first-child { transform: translateY(7px) rotate(45deg); }.nav-toggle.open span:nth-child(2) { opacity: 0; }.nav-toggle.open span:last-child { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 680px) {
  .container, .narrow { width: min(100% - 28px, 1160px); }.section { padding: 82px 0; }.section-heading { margin-bottom: 36px; }
  .hero { min-height: auto; padding-top: 130px; padding-bottom: 80px; }.hero-grid { padding-top: 0; }.hero-copy h1 { font-size: clamp(43px, 13vw, 64px); }.hero-actions .button { flex: 1; }.scroll-hint { display: none; }
  .tech-visual { min-height: 350px; }.terminal { width: 100%; transform: none !important; }.terminal-body { min-height: 245px; padding: 20px; font-size: 10px; }.orbit { width: 310px; height: 310px; }.orbit-two { width: 250px; height: 250px; }.float-badge { width: 46px; height: 46px; font-size: 19px; }.badge-linux { left: -4px; top: 25px; }.badge-shield { right: -3px; top: 70px; }.badge-cloud { right: 15px; bottom: 10px; }
  .focus-grid, .projects-grid, .skills-grid { grid-template-columns: 1fr; }.project-card { min-height: 350px; }.contact-form { padding: 22px; }.socials a span { display: none; }.socials a { width: 44px; height: 44px; justify-content: center; padding: 0; }.site-footer .brand { display: none; }.site-footer .container { justify-content: space-between; }.timeline-item { gap: 15px; }.timeline-content { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }.reveal { opacity: 1; transform: none; }
}