/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;600&display=swap');

:root{
  /* Dark Base */
  --bg: #19191F;
  --bg-deep: #101015;
  --bg-mid: #15151B;

  /* Accent */
  --cyan: #1F9ECF;
  --ice: #EAF7FF;
  --white: #FFFFFF;

  --text-on-dark: rgba(234, 246, 255, .92);
  --muted-on-dark: rgba(234, 246, 255, .74);

  /* Cards (hell lassen wie im Original) */
  --card-bg: #FFFFFF;
  --card-bg-2: #F3FAFF;
  --card-border: rgba(31,158,207,.26);
  --card-text: #0F172A;
  --card-muted: rgba(15,23,42,.72);

  /* Headline Verlauf im Content (dunkel → akzent) */
  --h1a: #0B0F14;
  --h1b: #11324A;
  --h1c: #1F9ECF;

  --shadow-soft: 0 10px 30px rgba(0,0,0,.22);
  --shadow-card: 0 16px 46px rgba(0,0,0,.24);
  --shadow-hero: 0 22px 70px rgba(0,0,0,.30);

  --max: 1180px;

  --section-pad: 40px;
  --grid-gap: 12px;
  --card-pad: 18px;
}

/* --------------------------------------------------
   Base + Stacking (wichtig)
-------------------------------------------------- */
*{ box-sizing: border-box; }

html, body{
  height: 100%;
  margin: 0;
}

body{
  font-family: "Quicksand", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-on-dark);
  background: var(--bg);
  overflow-x: hidden;
  position: relative;
}

/* --------------------------------------------------
   Background Ebenen
   - body::before / ::after ganz hinten
   - Canvas (bg-net) darüber
   - Content darüber
-------------------------------------------------- */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(980px 680px at 16% 10%, rgba(234,247,255,.12), transparent 62%),
    radial-gradient(860px 620px at 88% 18%, rgba(31,158,207,.18), transparent 64%),
    radial-gradient(980px 760px at 56% 92%, rgba(234,247,255,.08), transparent 64%),
    linear-gradient(135deg, #0E0E13 0%, #19191F 42%, #14141A 75%, #0E0E13 100%);
}

body::after{
  content:"";
  position: fixed;
  inset: -30%;
  z-index: -2;
  background:
    linear-gradient(90deg, transparent 0%, rgba(255,255,255,.05) 45%, transparent 55%),
    linear-gradient(25deg, transparent 0%, rgba(31,158,207,.08) 45%, transparent 55%);
  transform: rotate(-8deg);
  opacity: .42;
  pointer-events: none;
  mask-image: radial-gradient(closest-side, rgba(0,0,0,.95), transparent 75%);
}
/* Fix: Background-Layer dürfen nie Klicks abfangen */
body::before,
body::after{
  pointer-events: none;
}
/* Canvas-Netz: im Hintergrund, aber über dem Wallpaper */
#bg-net{
  position: fixed;
  inset: 0;
  z-index: -1;          /* Hintergrund, aber sichtbar */
  pointer-events: none;
  opacity: .62;         /* ruhig sichtbar */
}

/* Content Ebene darüber */
.site-header,
main,
.site-footer{
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------
   Typography
-------------------------------------------------- */
h1,h2,h3,h4{
  font-family: "Quicksand", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  margin: 0 0 .55rem 0;
  letter-spacing: .15px;
  line-height: 1.12;
}

h1{ font-weight: 700; }
h2{ font-weight: 700; }
h3{ font-weight: 600; }
h4{ font-weight: 600; }

p{ margin: 0 0 .9rem 0; }
a{ text-underline-offset: 3px; }

/* Headline Verlauf nur im Content */
.content h1,
.content h2,
.content h3,
.content h4{
  background: linear-gradient(90deg, var(--h1a) 0%, var(--h1b) 35%, var(--h1c) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* --------------------------------------------------
   Layout
-------------------------------------------------- */
.container{
  width: min(var(--max), calc(100% - 14px));
  margin: 0 auto;
}

.section{
  padding: 15px 0;
}

.grid{
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
}
.site-header + .content .section:first-of-type{
  padding-top: 50px;
}

/* --------------------------------------------------
   Header
-------------------------------------------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50; /* muss über content bleiben */
  backdrop-filter: blur(3px);
  background: linear-gradient(180deg, rgba(31, 158, 207, 0.20), rgba(16, 16, 21, 0.22));
  border-bottom: 1px solid rgba(31, 158, 207, 0.28);
  color: var(--text-on-dark);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
}

.brand a{ display: inline-flex; align-items: center; }

.brand img{
  width: 260px;
  height: 90px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 8px 18px rgba(0,0,0,.34));
}

/* Navigation */
.nav{
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: rgba(234,247,255,.92);
  text-decoration: none;
  font-weight: 600;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
  position: relative;
  overflow: hidden;
}

.nav a::before{
  content:"";
  position: absolute;
  width: 120px;
  height: 120px;
  left: -60px;
  top: -70px;
  background: radial-gradient(circle at 35% 35%, rgba(234,247,255,.18), transparent 60%);
  opacity: .55;
  transition: opacity .18s ease, transform .18s ease;
}

.nav a:hover{
  transform: translateY(-1px);
  border-color: rgba(31,158,207,.52);
  background: rgba(255,255,255,.09);
  box-shadow: 0 10px 24px rgba(0,0,0,.20), 0 0 22px rgba(31,158,207,.18);
}
.nav a:hover::before{
  opacity: .9;
  transform: translateX(22px) translateY(10px);
}

.nav a.active{
  border-color: rgba(31,158,207,.70);
  background: linear-gradient(135deg, rgba(31,158,207,.22), rgba(234,247,255,.08));
  box-shadow: 0 12px 28px rgba(0,0,0,.24), 0 0 28px rgba(31,158,207,.18);
}

/* Burger mobile */
.burger{
  display: none;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
  color: var(--ice);
  padding: 10px 12px;
  cursor: pointer;
}

@media (max-width: 980px){
  .brand{ min-width: auto; }
  .brand img{ width: 210px; height: 72px; }
  .burger{ display: inline-flex; }
  .nav{ display: none; }
  .site-header.is-open .nav{
    display: flex;
    width: 100%;
    justify-content: flex-start;
    padding: 10px 0 12px 0;
  }
  .header-inner{
    flex-wrap: wrap;
    align-items: flex-start;
  }
}

/* --------------------------------------------------
   Cards / Boxes
-------------------------------------------------- */
.card{
  position: relative;
  border: 1px solid var(--card-border);
  background: linear-gradient(180deg, var(--card-bg) 0%, var(--card-bg-2) 100%);
  box-shadow: var(--shadow-card);
  padding: var(--card-pad);
  overflow: hidden;
  color: var(--card-text);
}

.card::before{
  content:"";
  position: absolute;
  inset: -2px;
  background:
    radial-gradient(200px 120px at 18% 18%, rgba(31,158,207,.16), transparent 65%),
    radial-gradient(240px 140px at 85% 22%, rgba(31,158,207,.14), transparent 62%),
    linear-gradient(90deg, rgba(31,158,207,.08), rgba(234,247,255,.06), rgba(31,158,207,.06));
  opacity: .62;
  filter: blur(14px);
  z-index: 0;
}

.card::after{
  content:"";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0%, rgba(31,158,207,.10) 20%, transparent 40%),
    radial-gradient(220px 140px at 22% 22%, rgba(255,255,255,.82), transparent 62%);
  opacity: .52;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 0;
}

.card > *{ position: relative; z-index: 1; }
.card p{ color: var(--card-muted); }
.card a{ color: #11324A; }
.card a:hover{ color: #0B0F14; }

/* Hero monitor card */
.card.monitor{
  border-color: rgba(31,158,207,.30);
  background:
    radial-gradient(900px 360px at 50% 0%, rgba(31,158,207,.10), transparent 60%),
    linear-gradient(180deg, #FFFFFF 0%, #F1FAFF 100%);
  box-shadow: var(--shadow-hero);
}

/* CTA */
.cta{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--grid-gap);
  align-items: center;
  padding: var(--card-pad);
  border: 1px solid rgba(31,158,207,.24);
  background: linear-gradient(180deg, #FFFFFF 0%, #F3FAFF 100%);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  color: var(--card-text);
}

.cta p{ color: var(--card-muted); }

.cta .cta-actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 14px;
  border: 1px solid rgba(31,158,207,.26);
  background: rgba(31,158,207,.06);
  color: #0B0F14;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
  position: relative;
  overflow: hidden;
}

.btn:hover{
  transform: translateY(-1px);
  border-color: rgba(31,158,207,.48);
  background: rgba(31,158,207,.10);
  box-shadow: 0 14px 28px rgba(0,0,0,.18);
}

.btn.primary{
  border-color: rgba(31,158,207,.58);
  background: linear-gradient(135deg, rgba(31,158,207,.14), rgba(234,247,255,.10));
  color: #0B0F14;
}

/* Lists */
ul, ol{
  margin: 0 0 .9rem 1.2rem;
  color: rgba(15,23,42,.84);
}
li{ margin: .32rem 0; }

/* Table */
.table-wrap{
  border: 1px solid rgba(31,158,207,.20);
  background: linear-gradient(180deg, #FFFFFF 0%, #F3FAFF 100%);
  box-shadow: var(--shadow-card);
  overflow: auto;
  color: var(--card-text);
}

table{
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: .98rem;
}

th, td{
  padding: 11px 12px;
  border-bottom: 1px solid rgba(31,158,207,.12);
  text-align: left;
}

th{
  font-family: "Nunito", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-weight: 900;
  background: linear-gradient(90deg, rgba(31,158,207,.12), rgba(234,247,255,.08));
  color: #0B0F14;
}

td{ color: rgba(15,23,42,.82); }
tr:hover td{ background: rgba(31,158,207,.05); }

/* Utility spacing */
.mt-0{ margin-top: 0; }
.mt-1{ margin-top: 6px; }
.mt-2{ margin-top: 12px; }
.mt-3{ margin-top: 18px; }
.mt-4{ margin-top: 24px; }

/* Footer */
.site-footer{
  margin-top: 50px;
  background: #0F0F14;
  border-top: 1px solid rgba(255,255,255,.10);
  color: rgba(255,255,255,.78);
}

.footer-inner{
  padding: 30px 0;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 16px;
}

.site-footer h4{
  margin: 0 0 10px 0;
  font-family: "Nunito", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-weight: 900;
  font-size: 1.1rem;
  color: rgba(255,255,255,.92);
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  text-shadow: none;
}

.site-footer a{ color: rgba(234,247,255,.88); }
.site-footer a:hover{ color: #ffffff; }

@media (max-width: 900px){
  .footer-inner{ grid-template-columns: 1fr; }
}

/* Mobile Layout: 3 Boxen untereinander */
@media (max-width: 900px){
  .grid{
    grid-template-columns: 1fr;
  }

  /* Wichtig: Inline grid-column überschreiben */
  .grid .card{
    grid-column: 1 / -1 !important;
  }
}

/* Mobile: Cards in Grids untereinander (überschreibt inline grid-column) */
@media (max-width: 980px){
  .grid{
    grid-template-columns: 1fr !important;
  }

  .grid > .card{
    grid-column: 1 / -1 !important;
  }
}