:root{
  --bg: #0b0f17;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.65);
  --border: rgba(255,255,255,.12);
  --shadow: 0 18px 60px rgba(0,0,0,.35);
  --brand: #a78bfa;
  --brand2:#60a5fa;
  --radius: 16px;
  --max: 1040px;

  /* Premium tokens */
  --hairline: color-mix(in srgb, var(--border) 75%, transparent);
  --glass: color-mix(in srgb, var(--bg) 74%, transparent);
  --glow: color-mix(in srgb, var(--brand) 14%, transparent);
  --glow2: color-mix(in srgb, var(--brand2) 12%, transparent);
  --ease: cubic-bezier(.2,.8,.2,1);
}

:root[data-theme="light"]{
  --bg:#f6f7fb;
  --panel: rgba(0,0,0,.05);
  --panel2: rgba(0,0,0,.07);
  --text: rgba(10,14,24,.92);
  --muted: rgba(10,14,24,.62);
  --border: rgba(10,14,24,.12);
  --shadow: 0 18px 60px rgba(0,0,0,.12);
  --brand:#7c3aed;
  --brand2:#2563eb;

  --hairline: color-mix(in srgb, var(--border) 75%, transparent);
  --glass: color-mix(in srgb, var(--bg) 70%, transparent);
  --glow: color-mix(in srgb, var(--brand) 10%, transparent);
  --glow2: color-mix(in srgb, var(--brand2) 9%, transparent);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(900px 500px at 10% 0%, rgba(167,139,250,.22), transparent 50%),
    radial-gradient(900px 500px at 90% 10%, rgba(96,165,250,.18), transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.55;

  letter-spacing: .15px;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.035;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.wrap{ width:min(var(--max), calc(100% - 32px)); margin:0 auto; }
a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; }

.skip{
  position:absolute; left:-999px; top:-999px;
}
.skip:focus{
  left:16px; top:16px;
  background: var(--panel);
  border:1px solid var(--border);
  padding:10px 12px;
  border-radius:12px;
  z-index:999;
}

.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: var(--glass);
  border-bottom: 1px solid var(--hairline);
  box-shadow: 0 18px 60px rgba(0,0,0,.12);
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand{ display:flex; align-items:center; gap:10px; font-weight:700; letter-spacing:.2px; }
.brand__dot{
  width:12px; height:12px; border-radius:99px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 18%, transparent);
}
.brand__text{ font-size:16px; }

.nav{ display:flex; gap: 8px; }
.nav__link{
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
}
.nav__link:hover{
  color: var(--text);
  background: var(--panel);
  text-decoration:none;
}
.nav__link.is-active{
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--hairline);
}

.actions{ display:flex; gap:10px; align-items:center; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  background: linear-gradient(135deg, color-mix(in srgb, var(--brand) 30%, var(--panel)), var(--panel));
  color: var(--text);
  box-shadow:
    0 14px 34px rgba(0,0,0,.18),
    inset 0 1px 0 rgba(255,255,255,.08);
  cursor:pointer;
  transform: translateY(0);
  transition: transform .18s var(--ease), filter .18s var(--ease), box-shadow .18s var(--ease);
}
.btn:hover{ filter: brightness(1.04); text-decoration:none; transform: translateY(-1px); }
.btn:active{
  transform: translateY(1px);
  filter: brightness(.98);
  box-shadow:
    0 10px 22px rgba(0,0,0,.14),
    inset 0 1px 0 rgba(255,255,255,.06);
}
.btn--ghost{
  background: var(--panel);
  box-shadow:none;
}
.btn--small{ padding: 8px 10px; border-radius: 12px; font-size: 13px; }
.icon{ font-size: 16px; line-height:1; }

.btn:focus-visible,
.search__input:focus-visible,
input:focus-visible,
textarea:focus-visible,
.chip--btn:focus-visible{
  outline:none;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 18%, transparent);
}

.hero{ padding: 54px 0 18px; }
.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: stretch;
}
.kicker{ margin:0; color: var(--muted); }
.h1{
  margin: 6px 0 10px;
  font-size: clamp(36px, 4vw, 56px);
  line-height:1.05;
  letter-spacing: -0.8px;
}
.h1,.h2,.h3{ letter-spacing: -0.35px; }
.accent{
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  -webkit-background-clip: text;
  background-clip:text;
  color: transparent;
}
.lead{
  margin: 0 0 16px;
  font-size: 16px;
  color: var(--muted);
  max-width: 60ch;
}
.hero__cta{ display:flex; gap:10px; flex-wrap:wrap; margin: 12px 0 14px; }

.chips{ display:flex; flex-wrap:wrap; gap:8px; }
.chip{
  border: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--muted);
  font-size: 13px;
  transition: transform .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}
.chip:hover{ transform: translateY(-1px); }

.section{ padding: 44px 0; position:relative; }
.section::before{
  content:"";
  position:absolute;
  left:0; right:0; top:0;
  height:1px;
  background: linear-gradient(90deg, transparent, var(--hairline), transparent);
  opacity:.75;
}
.hero.section::before{ display:none; }

.section__head{ margin-bottom: 14px; }
.h2{ margin:0; font-size: 22px; }
.h3{ margin:0 0 8px; font-size: 16px; }
.muted{ color: var(--muted); }
.tiny{ font-size: 12px; }

.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card{
  position:relative;
  border: 1px solid var(--hairline);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel) 92%, transparent), transparent),
    radial-gradient(800px 200px at 20% 0%, var(--glow), transparent 55%),
    radial-gradient(800px 240px at 90% 10%, var(--glow2), transparent 55%),
    var(--panel);
  border-radius: var(--radius);
  box-shadow:
    0 18px 60px rgba(0,0,0,.26),
    inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
  transform: translateY(0);
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease), filter .22s var(--ease);
}
.card::before{
  content:"";
  position:absolute;
  inset:-1px;
  border-radius: calc(var(--radius) + 1px);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--brand) 42%, transparent),
    transparent 45%,
    color-mix(in srgb, var(--brand2) 38%, transparent)
  );
  opacity:.38;
  pointer-events:none;
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  padding:1px;
}
@media (hover:hover){
  .card:hover{
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--brand) 32%, var(--hairline));
    box-shadow:
      0 22px 70px rgba(0,0,0,.30),
      0 0 0 5px color-mix(in srgb, var(--brand) 10%, transparent),
      inset 0 1px 0 rgba(255,255,255,.07);
    filter: brightness(1.02);
  }
  .card:hover::before{ opacity:.65; }
}

.card__body{ padding: 16px; }
.card--profile .card__body{ padding-top: 10px; }

.avatar{
  height: 96px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--brand) 55%, transparent), color-mix(in srgb, var(--brand2) 45%, transparent));
  border-bottom: 1px solid var(--hairline);
}
.avatar span{
  width: 56px; height: 56px;
  display:grid; place-items:center;
  border-radius: 18px;
  background: color-mix(in srgb, var(--bg) 40%, transparent);
  border: 1px solid var(--hairline);
  font-weight: 900;
  font-size: 20px;
}

.list{ margin: 10px 0 0; padding:0; list-style:none; display:grid; gap: 8px; }
.miniActions{ display:flex; gap: 10px; margin-top: 12px; }

.skills{ display:grid; gap: 10px; margin-top: 10px; }
.skill{
  display:flex; justify-content:space-between; align-items:center;
  padding: 10px 12px;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 86%, transparent);
}

.meta{ display:flex; gap:8px; flex-wrap:wrap; margin-top: 12px; }
.tag{
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  padding: 6px 9px;
  border-radius: 999px;
}
.tag--soft{ background: color-mix(in srgb, var(--panel) 70%, transparent); }
.projectTop{ display:flex; align-items:center; justify-content:space-between; gap: 10px; }

/* Sticky Projects Head + Toolbar + Filters */
#projects .section__head{
  position: sticky;
  top: 72px;
  z-index: 5;
  padding: 10px 0;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
}
#projects .section__head::after{
  content:"";
  display:block;
  height:1px;
  margin-top: 12px;
  background: linear-gradient(90deg, transparent, var(--hairline), transparent);
}

.toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin: 14px 0 12px;
}
.toolbar__right{ display:flex; align-items:center; gap: 10px; }

.search{
  position:relative;
  flex: 1;
  min-width: 220px;
}
.search__icon{
  position:absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events:none;
}
.search__input{
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  color: var(--text);
  padding: 10px 42px 10px 34px;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
}
.search__input:focus{
  border-color: color-mix(in srgb, var(--brand) 55%, var(--hairline));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.06),
    0 0 0 4px color-mix(in srgb, var(--brand) 18%, transparent);
}
.search__clear{
  position:absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  border: 1px solid var(--hairline);
  background: var(--panel);
  color: var(--text);
  border-radius: 12px;
  padding: 6px 8px;
  cursor:pointer;
}

.filterRow{ display:flex; gap: 8px; flex-wrap:wrap; margin-bottom: 10px; }
.chip--btn{ cursor:pointer; user-select:none; }
.chip--btn.is-active{
  color: var(--text);
  background: color-mix(in srgb, var(--brand) 16%, var(--panel));
  border-color: color-mix(in srgb, var(--brand) 34%, var(--hairline));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 14%, transparent);
}

.activeTags{
  display:none;
  align-items:center;
  gap: 10px;
  margin: 10px 0 12px;
}
.activeTags__chips{ display:flex; flex-wrap:wrap; gap: 8px; }
.chip--activeTag{ padding-right: 10px; }

.project.is-hidden{ display:none; }

/* Clamp Projektbeschreibungen => gleiche Höhe, “teurer” */
.project .muted{
  display:-webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow:hidden;
}

.emptyState{ display:none; }

/* Stats */
.statsGrid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 14px;
}
.statBig{
  border:1px solid var(--hairline);
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow:
    0 18px 50px rgba(0,0,0,.22),
    inset 0 1px 0 rgba(255,255,255,.06);
}
.statBig__num{
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.4px;
}
.statBig__label{ font-size: 13px; }

/* Skeleton (für Stats) */
.skeleton{
  position:relative;
  overflow:hidden;
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 80%, transparent);
}
.skeleton::after{
  content:"";
  position:absolute;
  inset:0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
  animation: shimmer 1.1s infinite;
}
@keyframes shimmer{
  100%{ transform: translateX(100%); }
}

/* Timeline */
.timeline{ display:grid; gap: 14px; margin-top: 10px; }
.tlItem{
  display:grid;
  grid-template-columns: 14px 1fr;
  gap: 12px;
  align-items:flex-start;
}
.tlDot{
  width: 10px; height: 10px;
  border-radius: 999px;
  margin-top: 6px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 16%, transparent);
}
.tlTop{ display:flex; gap: 10px; align-items:center; flex-wrap:wrap; margin-bottom: 2px; }
.tlDate{ font-size: 12px; color: var(--muted); }
.tlTitle{ font-weight: 800; letter-spacing: -.2px; margin-bottom: 2px; }

/* Form */
.form{ display:grid; gap: 10px; margin-top: 10px; }
label span{ display:block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
input, textarea{
  width:100%;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  padding: 10px 12px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  color: var(--text);
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
}
input:focus, textarea:focus{
  border-color: color-mix(in srgb, var(--brand) 55%, var(--hairline));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.06),
    0 0 0 4px color-mix(in srgb, var(--brand) 18%, transparent);
}
.formRow{ display:flex; align-items:center; gap: 12px; flex-wrap:wrap; }

.spinner{
  width: 14px; height: 14px;
  border-radius: 999px;
  border: 2px solid color-mix(in srgb, var(--text) 25%, transparent);
  border-top-color: color-mix(in srgb, var(--text) 75%, transparent);
  display:none;
  animation: spin .8s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }
#sendBtn.is-loading .sendText{ opacity:.65; }
#sendBtn.is-loading .spinner{ display:inline-block; }
#sendBtn.is-loading{ pointer-events:none; }

.linkBtn{
  background:none;
  border:none;
  color: var(--text);
  padding:0;
  cursor:pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Footer */
.footer{ border-top: 1px solid var(--hairline); padding: 16px 0 28px; }
.footer__inner{ display:flex; justify-content:space-between; align-items:center; }

/* Toast */
.toast{
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translate(-50%, 10px);
  opacity: 0;
  pointer-events: none;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--bg) 78%, var(--panel));
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 60px rgba(0,0,0,.22);
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}
.toast.is-show{ opacity: 1; transform: translate(-50%, 0); }

/* Reveal */
.reveal{ opacity: 0; transform: translateY(10px); transition: opacity .45s var(--ease), transform .45s var(--ease); }
.reveal.is-in{ opacity: 1; transform: translateY(0); }

/* Modal */
.no-scroll{ overflow:hidden; }
.modal{ position: fixed; inset: 0; display: none; z-index: 200; }
.modal.is-open{ display:block; }
.modal__backdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(10px);
  animation: fadeIn .18s ease both;
}
.modal__panel{
  position: relative;
  width: min(720px, calc(100% - 26px));
  margin: 70px auto 0;
  border: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--bg) 78%, var(--panel));
  border-radius: calc(var(--radius) + 4px);
  box-shadow: 0 22px 80px rgba(0,0,0,.32);
  overflow:hidden;
  transform: translateY(8px) scale(.99);
  animation: popIn .22s ease both;
}
.modal__head{
  display:flex; align-items:flex-start; justify-content:space-between;
  gap: 14px;
  padding: 16px;
  border-bottom: 1px solid var(--hairline);
  background: linear-gradient(180deg, var(--panel), transparent);
}
.modal__titleRow{ display:flex; align-items:center; gap: 10px; flex-wrap:wrap; }
.modal__title{ margin:0; font-size: 18px; letter-spacing: -.2px; }
.modal__stack{ margin: 6px 0 0; font-size: 13px; }
.modal__close{ padding: 8px 10px; border-radius: 12px; }
.modal__body{ padding: 16px; display:grid; gap: 14px; }
.modal__desc{ margin:0; }
.modal__links{ display:flex; gap: 10px; flex-wrap:wrap; }

@keyframes fadeIn{ from{ opacity:0; } to{ opacity:1; } }
@keyframes popIn{ from{ opacity:0; transform: translateY(14px) scale(.98); } to{ opacity:1; transform: translateY(0) scale(1); } }

/* Scrollbar (dezent) */
*{
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--brand) 26%, transparent) transparent;
}
::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-thumb{
  background: color-mix(in srgb, var(--brand) 22%, transparent);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
}

.hide-sm{ display:inline; }
.hide-lg{ display:none; }

@media (max-width: 900px){
  .hero__grid{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .hide-sm{ display:none; }
  .hero__cta{ flex-direction:column; align-items:flex-start; }
  .toolbar{ flex-direction:column; align-items:stretch; }
  .statsGrid{ grid-template-columns: 1fr; }
  #projects .section__head{ top: 58px; }
}