/* ===============================
   RESET / BASE
================================ */
* { box-sizing: border-box; }

:root{
  --bg0: #06070b;
  --bg1: #0b1020;

  --card: rgba(255,255,255,0.06);
  --card2: rgba(255,255,255,0.08);
  --stroke: rgba(255,255,255,0.14);

  --text: #eaf0ff;
  --muted: rgba(234,240,255,0.72);

  --shadow: 0 18px 50px rgba(0,0,0,0.55);
  --radius: 18px;

  /* Gold */
  --goldA: rgba(255, 209, 102, 0.32);
  --goldB: rgba(255, 170, 20, 0.18);
  --goldStroke: rgba(255, 209, 102, 0.55);
  --goldText: rgba(255, 230, 170, 0.95);
}

html, body { height: 100%; }

body{
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: transparent;
  overflow-x: hidden;
}

/* ===============================
   BACKGROUND FIX (no repeat ever)
================================ */
html{
  background: var(--bg0);
}

html::before{
  content:"";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;

  background:
    radial-gradient(900px 500px at 10% 10%, rgba(86,167,255,0.22), transparent 55%),
    radial-gradient(800px 450px at 90% 15%, rgba(69,255,179,0.18), transparent 60%),
    radial-gradient(900px 600px at 50% 110%, rgba(255,77,109,0.10), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  background-repeat: no-repeat;
  background-size: 1200px 700px, 1100px 650px, 1200px 800px, 100% 100%;
  background-position: 0 0, 100% 0, 50% 100%, 0 0;
}

/* ===============================
   LAYOUT
================================ */
main{
  max-width: 980px;
  margin: 0 auto;
  padding: 26px 18px 26px;
}

/* ===============================
   LINKS: white, subtle underline
================================ */
a{
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(234,240,255,0.28);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
a:hover{
  text-decoration-color: rgba(234,240,255,0.55);
}

/* ===============================
   HEADER / NAV
================================ */
.site-header, header{
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(6,7,11,0.65);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner{
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand{
  display: grid;
  gap: 2px;
}

.brand-kicker{
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand-title{
  font-size: 16px;
  font-weight: 700;
  line-height: 1.1;
}

.nav{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.nav a{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: rgba(234,240,255,0.9);
  text-decoration: none;
}

.nav a:hover{
  border-color: rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
}

/* ===============================
   BOXEN / CARDS
================================ */
.content-box{
  background: linear-gradient(180deg, var(--card2), var(--card));
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin: 18px 0;
  position: relative;
  overflow: hidden;
}

.content-box::before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(400px 240px at 10% 0%, rgba(86,167,255,0.22), transparent 60%),
    radial-gradient(420px 260px at 90% 10%, rgba(69,255,179,0.18), transparent 55%);
  opacity: .8;
  pointer-events: none;
}

.content-box > *{ position: relative; }

/* ===============================
   TYPO
================================ */
h1, h2, h3{
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  color: rgba(234,240,255,0.98);
}

h1{ font-size: clamp(26px, 3vw, 38px); }
h2{ font-size: clamp(18px, 2.1vw, 24px); }
h3{ font-size: 1.05rem; color: rgba(234,240,255,0.92); }

p{
  margin: 0 0 12px;
  line-height: 1.65;
  color: rgba(234,240,255,0.92);
}

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

ul, ol{ padding-left: 18px; margin: 10px 0 14px; }
li{ margin: 6px 0; }

/* ===============================
   HERO
================================ */
.hero{ padding: 26px; }

.hero-badge{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  margin-bottom: 14px;
}

.hero-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0 18px;
}

.mini{
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.18);
  border-radius: 14px;
  padding: 12px;
}

.mini-title{
  font-weight: 700;
  margin-bottom: 6px;
}

.mini-text{
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ===============================
   BUTTONS
================================ */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none !important;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}

.btn:hover{ transform: translateY(-1px); }

.btn-primary{
  background: linear-gradient(90deg, rgba(69,255,179,0.22), rgba(86,167,255,0.18));
  border-color: rgba(69,255,179,0.35);
  color: var(--text);
}

.btn-ghost{
  background: rgba(255,255,255,0.04);
  color: rgba(234,240,255,0.92);
}

.cta-row{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ===============================
   SPONSORS
================================ */
.sponsor-headline{
  margin-top: 10px;
  margin-bottom: 10px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.sponsor-headline-gold{
  color: var(--goldText);
}

/* Gold: 2 in a row */
.sponsor-grid{
  display: grid;
  gap: 12px;
}

.sponsor-grid-gold{
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 16px;
}

/* Normal: 3 in a row */
.sponsor-grid-normal{
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sponsor-tile{
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.18);
  text-decoration: none; /* keine underline in Kacheln */
}

.sponsor-tile:hover{
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.06);
}

.sponsor-name{
  font-weight: 900;
  font-size: 1.05rem;
}

.sponsor-sub{
  color: var(--muted);
  line-height: 1.5;
}

/* Default tag */
.sponsor-tag{
  justify-self: start;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  color: rgba(234,240,255,0.92);
}

/* GOLD TILE: “krasser” */
.sponsor-tile-gold{
  border: 1px solid var(--goldStroke);
  background:
    radial-gradient(500px 220px at 0% 0%, rgba(255, 209, 102, 0.22), transparent 60%),
    radial-gradient(520px 260px at 100% 0%, rgba(255, 170, 20, 0.16), transparent 55%),
    rgba(0,0,0,0.20);
  box-shadow:
    0 18px 50px rgba(0,0,0,0.55),
    0 0 0 1px rgba(255, 209, 102, 0.10) inset;
}

.sponsor-tile-gold:hover{
  border-color: rgba(255, 209, 102, 0.85);
  background:
    radial-gradient(500px 220px at 0% 0%, rgba(255, 209, 102, 0.28), transparent 60%),
    radial-gradient(520px 260px at 100% 0%, rgba(255, 170, 20, 0.20), transparent 55%),
    rgba(255,255,255,0.05);
}

.sponsor-tag-gold{
  border: 1px solid rgba(255, 209, 102, 0.75);
  background: linear-gradient(90deg, var(--goldA), var(--goldB));
  color: rgba(255, 240, 200, 0.98);
  text-shadow: 0 1px 0 rgba(0,0,0,0.35);
}

/* ===============================
   FOOTER
================================ */
.site-footer{
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(6,7,11,0.55);
  padding: 18px 0;
}

.footer-line{
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

.dot{ opacity: 0.5; }

/* ===============================
   RESPONSIVE
================================ */
@media (max-width: 980px){
  .sponsor-grid-normal{ grid-template-columns: 1fr; }
}

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
  .sponsor-grid-gold{ grid-template-columns: 1fr; }

  .header-inner{
    flex-direction: column;
    align-items: flex-start;
  }
  .nav{ justify-content: flex-start; }
}