/* Nikels.ch – überarbeitetes Layout (2026-03-02)
   Ziel: schlicht, schnell, responsiv, ohne Frameworks.
*/

:root{
  --bg: #0b1220;
  --bg-elev: #0f1a31;
  --text: #e8eefc;
  --muted: #a9b6d3;
  --card: rgba(255,255,255,.06);
  --border: rgba(255,255,255,.12);
  --accent: #77d6ff;
  --accent-2: #a3ffcf;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --radius: 16px;
  --radius-sm: 12px;
}

@media (prefers-color-scheme: light){
  :root{
    --bg: #f7f8fb;
    --bg-elev: #ffffff;
    --text: #10162b;
    --muted: #4a556f;
    --card: rgba(16,22,43,.04);
    --border: rgba(16,22,43,.10);
    --accent: #0067c0;
    --accent-2: #0a7a3a;
    --shadow: 0 10px 25px rgba(16,22,43,.10);
  }
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font: 16px/1.65 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 20% -10%, rgba(119,214,255,.25), transparent 60%),
              radial-gradient(1000px 600px at 90% 0%, rgba(163,255,207,.18), transparent 55%),
              var(--bg);
  color: var(--text);
}

img{ max-width: 100%; height: auto; }

a{ color: var(--accent); text-decoration: none; }
a:hover{ text-decoration: underline; }
a:focus{ outline: 2px solid var(--accent); outline-offset: 3px; }

.container{
  width: min(1100px, calc(100% - 2rem));
  margin-inline: auto;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: 0;
  padding: .75rem 1rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  z-index: 1000;
}
.skip-link:focus{
  left: 1rem;
  top: 1rem;
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg-elev) 80%, transparent);
  border-bottom: 1px solid var(--border);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem 0;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: .2px;
}
.brand img{
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.nav-toggle{
  display: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: .55rem .8rem;
  border-radius: 999px;
  cursor: pointer;
}

.site-nav{
  display: flex;
  align-items: center;
  gap: .9rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav > a,
.site-nav summary{
  color: var(--text);
  font-weight: 600;
  padding: .45rem .6rem;
  border-radius: 999px;
}
.site-nav > a:hover,
.site-nav summary:hover{
  background: color-mix(in srgb, var(--card) 100%, transparent);
  text-decoration: none;
}

details{
  position: relative;
}
details > summary{
  list-style: none;
  cursor: pointer;
  user-select: none;
}
details > summary::-webkit-details-marker{ display:none; }

.dropdown{
  position: absolute;
  right: 0;
  top: calc(100% + .55rem);
  min-width: 260px;
  padding: .6rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.dropdown a{
  display: block;
  padding: .55rem .7rem;
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.dropdown a:hover{
  background: var(--card);
}
.dropdown .hint{
  margin: .35rem .7rem .2rem;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 600;
}

@media (max-width: 900px){
  .nav-toggle{ display: inline-flex; align-items: center; gap: .5rem; }
  .site-nav{
    display: none;
    width: 100%;
    padding: .75rem 0 .25rem;
  }
  body.nav-open .site-nav{ display: flex; flex-direction: column; align-items: stretch; }
  .site-nav > a, .site-nav summary{ border-radius: var(--radius-sm); }
  details{ width: 100%; }
  .dropdown{
    position: static;
    margin-top: .35rem;
    min-width: unset;
  }
}

.page{
  padding: 1.4rem 0 3rem;
}

.hero{
  padding: 1.2rem 0 1.4rem;
}
.hero h1{
  margin: .2rem 0 .35rem;
  font-size: clamp(1.9rem, 1.4rem + 2vw, 2.7rem);
  line-height: 1.15;
}
.hero p{
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

.lead{
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 75ch;
}

.grid{
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 1rem;
}

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
}

.card h2, .card h3{
  margin-top: 0;
}

.section{
  margin-top: 1.3rem;
}

.badge{
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .25rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev) 80%, transparent);
  color: var(--muted);
  font-weight: 700;
  font-size: .85rem;
}

.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  padding: .1rem .35rem;
  border-radius: .45rem;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev) 85%, transparent);
  color: var(--text);
  font-size: .92em;
}

blockquote{
  margin: 1rem 0;
  padding: .75rem 1rem;
  border-left: 4px solid var(--border);
  background: color-mix(in srgb, var(--card) 70%, transparent);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--muted);
}

hr{
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

.footer{
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev) 65%, transparent);
  padding: 1.2rem 0;
}
.footer-inner{
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.footer small{ color: var(--muted); }

.social{
  display: inline-flex;
  gap: .55rem;
  align-items: center;
}
.social a{
  display: inline-flex;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  align-items: center;
  justify-content: center;
}
.social img{
  width: 22px;
  height: 22px;
  border-radius: 6px;
}

.responsive-embed{
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  box-shadow: var(--shadow);
}
.responsive-embed > iframe{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.table{
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.table th, .table td{
  padding: .7rem .8rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.table th{
  background: color-mix(in srgb, var(--card) 80%, transparent);
}
.table tr:last-child td{ border-bottom: 0; }

.note{
  color: var(--muted);
  font-size: .95rem;
}