:root{
  --bg:#F5F6FB;
  --surface:#FFFFFF;
  --ink:#0F172A;
  --ink-soft:#526075;
  --line:#E2E6F0;
  --accent:#006C4F;
  --accent-2:#008A6E;
  --accent-3:#EC4899;
  --accent-tint:rgba(0,108,79,.08);
  --grad:linear-gradient(120deg,#004D38 0%,var(--accent) 50%,var(--accent-2) 100%);
  --shadow-sm:0 1px 2px rgba(15,23,42,.04),0 2px 8px rgba(15,23,42,.04);
  --shadow-lg:0 12px 32px -8px rgba(0,108,79,.22),0 4px 12px rgba(15,23,42,.06);
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Inter',sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:'Sora',sans-serif;margin:0;font-weight:600;letter-spacing:-.02em}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer;background:none;border:none}
::selection{background:var(--accent);color:#fff}

.container{max-width:1180px;margin:0 auto;padding:0 clamp(24px,5vw,64px)}
.section{padding:clamp(72px,9vw,104px) 0;position:relative}
.section.alt{background:var(--surface)}

.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradient-shift 8s ease-in-out infinite}

/* Scroll-Fortschritt */
#scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;background:var(--grad);transform-origin:0 50%;transform:scaleX(0);z-index:30}

/* Navigation */
nav{
  position:sticky;top:0;z-index:20;
  background:rgba(245,246,251,.75);backdrop-filter:saturate(1.6) blur(12px);-webkit-backdrop-filter:saturate(1.6) blur(12px);
  border-bottom:1px solid transparent;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px clamp(24px,5vw,64px);gap:20px;
  transition:padding .3s var(--ease),border-color .3s,box-shadow .3s;
}
nav.scrolled{padding-top:12px;padding-bottom:12px;border-bottom-color:var(--line);box-shadow:0 6px 24px -12px rgba(15,23,42,.12)}
.logo{font-family:'Sora',sans-serif;font-size:19px;font-weight:700;white-space:nowrap;letter-spacing:-.02em;display:inline-flex;align-items:center;gap:10px}
.logo::before{content:'';width:10px;height:10px;border-radius:3px;background:var(--grad);transform:rotate(45deg);transition:transform .5s var(--ease)}
.logo:hover::before{transform:rotate(225deg)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;color:var(--ink-soft);font-size:14.5px;font-weight:500;transition:color .2s}
.nav-link::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav-link:hover,.nav-link.active{color:var(--ink)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.lang-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;transition:all .2s}
.lang-btn:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-1px)}

/* Buttons */
.btn{position:relative;display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s,border-color .2s,background-color .2s,color .2s}
.btn-primary{background:var(--grad);background-size:200% auto;color:#FFFFFF;box-shadow:0 8px 20px -8px rgba(0,108,79,.6)}
.btn-primary::after{content:'';position:absolute;top:0;left:-120%;width:60%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);transition:left .6s var(--ease)}
.btn-primary:hover{transform:translateY(-2px);background-position:right center;box-shadow:0 14px 28px -10px rgba(0,108,79,.7)}
.btn-primary:hover::after{left:140%}
.btn-outline{background:var(--surface);color:var(--ink);border:1.5px solid var(--line)}
.btn-outline:hover{transform:translateY(-2px);border-color:var(--accent);color:var(--accent);box-shadow:var(--shadow-lg)}
.btn-sm{padding:9px 20px;font-size:14px}

.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--accent);font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.eyebrow::before{content:'';width:26px;height:2px;border-radius:2px;background:var(--grad)}

/* Hero */
#top{overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none;z-index:0}
.hero-bg::after{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(15,23,42,.07) 1px,transparent 1px);background-size:22px 22px;-webkit-mask-image:radial-gradient(ellipse at 60% 40%,#000 20%,transparent 70%);mask-image:radial-gradient(ellipse at 60% 40%,#000 20%,transparent 70%)}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.45;animation:blob-float 18s ease-in-out infinite}
.blob.b1{width:420px;height:420px;background:#5FD3A8;top:-120px;right:8%}
.blob.b2{width:340px;height:340px;background:#33C093;bottom:-120px;right:30%;animation-delay:-6s;animation-duration:22s}
.blob.b3{width:260px;height:260px;background:#F9A8D4;top:30%;left:-80px;animation-delay:-12s;opacity:.35}
#top .container{position:relative;z-index:1}

.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.hero-anim > *{opacity:0;animation:fade-up .9s var(--ease) forwards}
.hero-anim > *:nth-child(1){animation-delay:.05s}
.hero-anim > *:nth-child(2){animation-delay:.15s}
.hero-anim > *:nth-child(3){animation-delay:.25s}
.hero-anim > *:nth-child(4){animation-delay:.35s}
.hero-anim > *:nth-child(5){animation-delay:.45s}

.hero-stats{display:flex;gap:clamp(20px,4vw,44px);flex-wrap:wrap;margin-top:12px;padding-top:24px;border-top:1px solid var(--line)}
.stat{display:flex;flex-direction:column;gap:2px}
.stat-num{font-family:'Sora',sans-serif;font-size:30px;font-weight:700;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;color:var(--ink-soft);font-weight:500}

.photo-wrap{position:relative;width:100%;max-width:360px;margin:0 auto;perspective:900px;opacity:0;animation:fade-in 1.1s var(--ease) .3s forwards}
.photo-float{animation:float 7s ease-in-out infinite}
.photo-frame{
  position:relative;isolation:isolate;
  width:100%;aspect-ratio:4/5;padding:5px;border-radius:28px;overflow:hidden;
  box-shadow:0 30px 60px -20px rgba(0,108,79,.45);
  transition:transform .4s var(--ease);transform-style:preserve-3d;
}
.photo-frame::before{content:'';position:absolute;inset:-50%;z-index:-1;background:conic-gradient(from 0deg,var(--accent),var(--accent-2),var(--accent-3),var(--accent));animation:spin 8s linear infinite}
.photo-frame img{width:100%;height:100%;object-fit:cover;display:block;border-radius:23px;background:var(--surface)}
.photo-frame span{color:var(--ink-soft);font-style:italic;font-size:15px;padding:0 24px;text-align:center}
.photo-badge{
  position:absolute;left:-28px;bottom:36px;z-index:2;
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.9);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:999px;padding:10px 18px 10px 14px;
  font-size:13.5px;font-weight:600;box-shadow:var(--shadow-lg);
  animation:float 6s ease-in-out -2s infinite;
}
.pulse-dot{position:relative;width:10px;height:10px;border-radius:50%;background:var(--accent);flex-shrink:0}
.pulse-dot::after{content:'';position:absolute;inset:0;border-radius:50%;background:var(--accent);animation:ping 1.8s cubic-bezier(0,0,.2,1) infinite}

/* Tech-Laufband */
.marquee{position:relative;overflow:hidden;padding:18px 0;background:var(--ink);color:#fff;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;width:max-content;animation:marquee 38s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{display:inline-flex;align-items:center;gap:28px;padding-right:28px;font-family:'Sora',sans-serif;font-size:15px;font-weight:500;white-space:nowrap;opacity:.9}
.marquee-track span::after{content:'✦';font-size:11px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Über mich */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px}
.fact-row{display:flex;justify-content:space-between;gap:16px;border-bottom:1px dashed var(--line);padding:4px 0 12px;transition:border-color .2s,padding .3s var(--ease)}
.fact-row:hover{border-bottom-color:var(--accent);padding-left:6px}
.fact-label{font-size:14px;color:var(--ink-soft);flex-shrink:0}
.fact-value{font-size:14px;font-weight:600;text-align:right}

/* Karten */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.card{
  position:relative;
  background:radial-gradient(420px circle at var(--mx,-999px) var(--my,-999px),rgba(0,108,79,.09),transparent 60%),var(--surface);
  border:1px solid var(--line);border-radius:20px;padding:28px;display:flex;flex-direction:column;gap:14px;
  box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(0,108,79,.35)}
.card.alt{background:radial-gradient(420px circle at var(--mx,-999px) var(--my,-999px),rgba(0,108,79,.09),transparent 60%),var(--bg)}
.card h3{font-size:19px}
.card p{margin:0;font-size:15px;color:var(--ink-soft);flex-grow:1}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:12px;font-weight:500;padding:4px 11px;background:var(--accent-tint);border:1px solid rgba(0,108,79,.15);border-radius:999px;color:var(--accent)}
.proj-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:14px;font-weight:600;transition:gap .25s var(--ease)}
.proj-link:hover{gap:12px}

/* Bildrahmen mit Platzhalter (Text liegt unter dem Bild, sichtbar falls Bild fehlt) */
.img-frame{position:relative;background:linear-gradient(135deg,#E6F7F1,#ECFDF5 60%,#FDF2F8);display:flex;align-items:center;justify-content:center;overflow:hidden}
.img-frame span{color:var(--ink-soft);font-style:italic;font-size:14px;padding:0 20px;text-align:center}
.img-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}

.proj-card{padding:0;overflow:hidden;gap:0}
.proj-thumb{aspect-ratio:16/10;border-bottom:1px solid var(--line)}
.proj-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,108,79,.25));opacity:0;transition:opacity .4s}
.proj-card:hover .proj-thumb img{transform:scale(1.06)}
.proj-card:hover .proj-thumb::after{opacity:1}
.proj-thumb img{transition:transform .6s var(--ease)}
.zoom-trigger{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in;font:inherit;color:inherit;text-align:inherit}
.zoom-trigger:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}

/* Lightbox für vergrößerte Vorschaubilder */
.lightbox{padding:0;border:0;background:transparent;max-width:92vw;max-height:92vh;overflow:visible}
.lightbox::backdrop{background:rgba(10,20,17,.8)}
.lightbox img{display:block;max-width:92vw;max-height:92vh;width:auto;height:auto;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.lightbox-close{position:absolute;top:-14px;right:-14px;width:36px;height:36px;border-radius:50%;border:0;background:#fff;color:#111;font-size:24px;line-height:1;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.lightbox-close:hover{background:var(--accent);color:#fff}
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.9);color:#111;font-size:30px;line-height:1;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.lightbox-nav.prev{left:12px}
.lightbox-nav.next{right:12px}
.lightbox-nav:hover{background:var(--accent);color:#fff}
.lightbox-nav[hidden]{display:none}
.proj-body{padding:24px 28px 28px;display:flex;flex-direction:column;gap:14px;flex-grow:1}
.proj-license{margin:-4px 0 0;font-size:13px;color:var(--accent)}

/* Projekt-Detailseite */
.back-link{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;color:var(--accent);font-size:14px;font-weight:600;transition:transform .25s var(--ease)}
.back-link:hover{transform:translateX(-4px)}
#next-project:hover{transform:translateX(4px)}
.detail-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:64px;align-items:start}
.detail-text{display:flex;flex-direction:column;gap:18px;font-size:17px;color:var(--ink-soft)}
.detail-text p{margin:0;white-space:pre-wrap}
.detail-text p.small{font-size:15px;line-height:1.5}
.detail-text strong{color:var(--ink)}
.detail-text pre{margin:0;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow-x:auto;font-family:Consolas,'Courier New',monospace;font-size:13px;line-height:1.5;color:var(--ink)}
.detail-text .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.detail-text table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.5}
.detail-text th,.detail-text td{padding:10px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.detail-text tr:last-child td{border-bottom:0}
.detail-text th{color:var(--ink)}
.detail-text td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.info-box{position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px 28px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-lg)}
.info-box::before{content:'';position:absolute;top:0;left:24px;right:24px;height:3px;border-radius:0 0 3px 3px;background:var(--grad)}
.info-box h3{font-size:17px}
.info-box .fact-row{flex-direction:column;gap:2px}
.info-box .fact-value{text-align:left;line-height:1.5}
.download-box{display:flex;flex-direction:column;gap:10px;padding-top:6px;border-top:1px solid var(--line)}
.download-box .btn{justify-content:center;text-align:center}
.download-install{font-size:13px;line-height:1.5;color:var(--ink-soft);margin:0;white-space:pre-line}
.download-smartscreen{font-size:12px;line-height:1.5;color:var(--ink-soft);margin:0;padding-top:8px;border-top:1px dashed var(--line);opacity:.85}
.shot-list{display:flex;flex-direction:column;gap:56px}
.shot{margin:0;display:flex;flex-direction:column;gap:14px}
.shot .zoom-trigger{border-radius:20px}
.shot-frame{aspect-ratio:16/9;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s}
.shot .zoom-trigger:hover .shot-frame{transform:translateY(-4px) scale(1.01);box-shadow:var(--shadow-lg)}
.shot-frame img{object-fit:contain;background:var(--surface)}
.shot figcaption{font-size:15px;color:var(--ink-soft);max-width:70ch;white-space:pre-wrap}
.shot figcaption strong{color:var(--ink)}

/* Zeitleiste */
.timeline-item{position:relative;display:flex;flex-direction:column;gap:6px;padding:0 0 36px 30px;margin-left:6px;border-left:2px solid var(--line)}
.timeline-item::before{content:'';position:absolute;left:-8px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--surface);border:3px solid var(--accent);box-shadow:0 0 0 5px var(--accent-tint);transition:transform .3s var(--ease),background-color .3s}
.timeline-item:hover::before{transform:scale(1.25);background:var(--accent)}
.timeline-item:hover h3{color:var(--accent)}
.timeline-item:last-child{border-left-color:transparent}
#timeline-list .timeline-item:first-child::before{background:var(--accent);animation:ring 2.2s ease-out infinite}
.timeline-year{align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--accent);background:var(--accent-tint);padding:2px 10px;border-radius:999px}
.timeline-item h3{font-size:19px;transition:color .2s}
.timeline-org{font-size:14px;color:var(--ink-soft);font-weight:500}
.timeline-item p{margin:6px 0 0;font-size:15px;color:var(--ink-soft);max-width:60ch}
.timeline-item ul{margin:6px 0 0;padding-left:18px;font-size:15px;color:var(--ink-soft);max-width:62ch;display:flex;flex-direction:column;gap:4px}
.timeline-item li::marker{color:var(--accent-2)}

[hidden]{display:none !important}
.toggle-btn{align-self:flex-start;display:inline-flex;align-items:center;gap:10px;margin-top:4px;padding:9px 18px;background:var(--surface);border:1.5px solid var(--line);border-radius:999px;color:var(--accent);font-size:14px;font-weight:600;transition:all .25s var(--ease)}
.toggle-btn:hover{border-color:var(--accent);background:var(--accent-tint);transform:translateY(-2px)}
.toggle-btn::after{content:'▾';transition:transform .3s var(--ease)}
.toggle-btn[aria-expanded="true"]::after{transform:rotate(180deg)}

.edu-group{display:flex;flex-direction:column;gap:20px}
.edu-group h3{font-size:19px}

.post-date{align-self:flex-start;font-size:12px;font-weight:600;color:var(--accent);background:var(--accent-tint);padding:2px 10px;border-radius:999px}
.post-card h3{font-size:18px}
.post-card p{font-size:14.5px}

/* Kontakt */
.contact-panel{
  position:relative;overflow:hidden;isolation:isolate;
  max-width:880px;margin:0 auto;padding:clamp(44px,7vw,72px) clamp(24px,5vw,64px);
  border-radius:32px;background:var(--grad);background-size:200% 200%;animation:gradient-shift 12s ease-in-out infinite;
  color:#fff;display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;
  box-shadow:0 30px 60px -24px rgba(0,108,79,.6);
}
.contact-panel::before,.contact-panel::after{content:'';position:absolute;border-radius:50%;background:rgba(255,255,255,.12);z-index:-1;animation:blob-float 14s ease-in-out infinite}
.contact-panel::before{width:300px;height:300px;top:-120px;left:-80px}
.contact-panel::after{width:220px;height:220px;bottom:-100px;right:-40px;animation-delay:-7s}
.contact-panel .eyebrow{color:rgba(255,255,255,.85)}
.contact-panel .eyebrow::before{background:#fff}
.contact-panel h2{font-size:clamp(28px,4vw,40px)}
.contact-panel p{margin:0;font-size:17px;color:rgba(255,255,255,.88);max-width:46ch}
.contact-panel .btn-primary{background:#fff;color:var(--accent);box-shadow:0 10px 24px -10px rgba(15,23,42,.4)}
.contact-panel .btn-outline{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5)}
.contact-panel .btn-outline:hover{background:#fff;color:var(--accent);border-color:#fff}

footer{border-top:1px solid var(--line);padding:28px clamp(24px,5vw,64px)}

/* Scroll-Einblendung (Klassen setzt effects.js) */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

@keyframes fade-up{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes fade-in{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes ping{75%,100%{transform:scale(2.4);opacity:0}}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(0,108,79,.45)}70%,100%{box-shadow:0 0 0 12px rgba(0,108,79,0)}}
@keyframes blob-float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(40px,-30px) scale(1.08)}66%{transform:translate(-30px,25px) scale(.95)}}
@keyframes gradient-shift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@keyframes marquee{to{transform:translateX(-50%)}}

@media (max-width:900px){
  .hero-grid,.about-grid,.grid-3,.detail-grid{grid-template-columns:1fr}
  .info-box{position:relative;top:0}
  .photo-badge{left:50%;transform:translateX(-50%);bottom:-18px;animation:none}
}
@media (max-width:780px){
  .nav-links{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}