/* site.css — Grundgerüst, Hero, Navigation, Live-Kacheln, Support, Fuss. */
:root {
  --bg: #03080a;
  --bg2: #071214;
  --ink: #e8f4f2;
  --mute: #8fa9a5;
  --teal: #70c7ba;
  --teal2: #49eacb;
  --line: rgba(112, 199, 186, .16);
  --glass: rgba(10, 22, 24, .55);
  --up: #3ddc97;
  --down: #ff6b7d;
  --r: 20px;
  --sans: "Space Grotesk", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: var(--teal2); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--teal2); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--teal2); color: #001; padding: 8px 14px; border-radius: 10px; }
.skip:focus { left: 12px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* Glas + 1px-Gradientrand */
.glass {
  position: relative; background: var(--glass);
  -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%);
  border-radius: var(--r); isolation: isolate;
}
.glass::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, rgba(73, 234, 203, .55), rgba(112, 199, 186, .08) 40%, rgba(255, 255, 255, .04) 60%, rgba(73, 234, 203, .3));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}

/* Cursor-Glow */
.cursor-glow {
  position: fixed; left: 0; top: 0; width: 520px; height: 520px; margin: -260px 0 0 -260px; z-index: 1;
  pointer-events: none; border-radius: 50%; opacity: 0; transition: opacity .4s;
  background: radial-gradient(circle, rgba(73, 234, 203, .09), transparent 62%); mix-blend-mode: screen;
}
@media (hover: hover) and (pointer: fine) { body:hover .cursor-glow { opacity: 1; } }

/* Navigation */
.nav {
  position: fixed; top: 12px; left: 50%; transform: translateX(-50%); z-index: 50;
  width: min(1180px, calc(100% - 24px)); display: flex; align-items: center; gap: 14px;
  padding: 8px 10px 8px 16px; border-radius: 999px;
}
.brand { display: flex; align-items: center; gap: 9px; color: var(--ink); font-weight: 700; letter-spacing: .01em; font-size: 17px; }
.brand:hover { text-decoration: none; }
.brand svg { width: 26px; height: 26px; filter: drop-shadow(0 0 6px rgba(73, 234, 203, .5)); }
.nav-links { display: flex; gap: 2px; margin: 0 auto; overflow-x: auto; scrollbar-width: none; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a { color: var(--mute); font-size: 14px; padding: 7px 12px; border-radius: 999px; white-space: nowrap; transition: color .2s, background .2s; }
.nav-links a:hover, .nav-links a.on { color: var(--ink); background: rgba(73, 234, 203, .1); text-decoration: none; }
.nav-end { display: flex; align-items: center; gap: 6px; }
.kofi-mini { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: rgba(73, 234, 203, .1); font-size: 16px; }
.kofi-mini:hover { background: rgba(73, 234, 203, .22); text-decoration: none; }
.lang { display: flex; padding: 3px; border-radius: 999px; background: rgba(255, 255, 255, .05); }
.lang button {
  font: 600 12px var(--sans); letter-spacing: .06em; color: var(--mute); background: none; border: 0;
  padding: 6px 10px; border-radius: 999px; cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--teal2); color: #021; }

/* Hero */
.hero { position: relative; height: 100svh; min-height: 560px; overflow: hidden; }
#dag3d { position: absolute; inset: 0; z-index: 0; }
.dag3d-canvas { display: block; width: 100%; height: 100%; touch-action: pan-y; cursor: grab; }
.dag3d-canvas:active { cursor: grabbing; }
.hero::after { /* Vignette + Übergang */
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background:
    radial-gradient(ellipse 80% 70% at 60% 55%, transparent 40%, rgba(3, 8, 10, .75) 100%),
    linear-gradient(180deg, rgba(3, 8, 10, .7) 0%, transparent 24%, transparent 78%, var(--bg) 100%);
}
.hero-in {
  position: relative; z-index: 2; pointer-events: none; height: 100%;
  width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding-top: clamp(110px, 18vh, 190px);
}
.hero-in a, .hero-in button { pointer-events: auto; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 14px;
  font: 500 13px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--teal2);
}
.kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--teal2); box-shadow: 0 0 0 0 rgba(73, 234, 203, .6); animation: ping 2s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 10px rgba(73, 234, 203, 0); } 100% { box-shadow: 0 0 0 0 rgba(73, 234, 203, 0); } }
.hero h1 {
  margin: 0; font-weight: 700; letter-spacing: -.045em; line-height: .92;
  font-size: clamp(56px, 12.5vw, 168px);
  background: linear-gradient(100deg, #fff 10%, #bffff3 45%, var(--teal2) 75%, var(--teal) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 6px 40px rgba(73, 234, 203, .25));
}
.claim { margin: 18px 0 0; max-width: 560px; font-size: clamp(18px, 2.3vw, 26px); line-height: 1.3; color: #d3ebe7; font-weight: 500; text-shadow: 0 2px 20px rgba(0, 0, 0, .8); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 999px;
  font: 600 15px var(--sans); color: #021; background: linear-gradient(120deg, #bffff3, var(--teal2));
  box-shadow: 0 8px 30px -8px rgba(73, 234, 203, .6); transition: transform .2s, box-shadow .2s; border: 0; cursor: pointer;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; box-shadow: 0 12px 40px -8px rgba(73, 234, 203, .8); }
.btn.ghost { color: var(--ink); background: rgba(255, 255, 255, .05); box-shadow: inset 0 0 0 1px var(--line); }
.hint {
  display: inline-block; margin: 16px 0 0; padding: 6px 12px; border-radius: 999px; font-size: 13px; color: #cfe6e2;
  background: rgba(3, 8, 10, .62); box-shadow: inset 0 0 0 1px var(--line);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); text-shadow: 0 1px 8px rgba(0, 0, 0, .9);
}

.hstats {
  position: absolute; z-index: 3; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; gap: 0; padding: 10px 6px; border-radius: 16px;
}
.hstats div { padding: 2px 18px; text-align: center; }
.hstats div + div { border-left: 1px solid var(--line); }
.hstats b { display: block; font: 600 20px var(--mono); font-variant-numeric: tabular-nums; color: var(--ink); }
.hstats span { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }

/* Block-Panel */
#dag-panel {
  position: absolute; z-index: 4; right: 20px; top: 92px; width: min(330px, calc(100% - 40px));
  padding: 18px 20px; opacity: 0; transform: translateY(-8px) scale(.98); transition: opacity .25s, transform .25s;
}
#dag-panel.open { opacity: 1; transform: none; }
.dp-close { position: absolute; top: 10px; right: 10px; width: 30px; height: 30px; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .06); color: var(--ink); cursor: pointer; font-size: 16px; }
.dp-kick { margin: 0 0 4px; font: 500 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--teal2); }
.dp-hash { font: 500 14px var(--mono); word-break: break-all; }
#dag-panel dl { margin: 12px 0 0; display: grid; gap: 6px; }
#dag-panel dl div { display: flex; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 6px; }
#dag-panel dt { color: var(--mute); font-size: 13px; }
#dag-panel dd { margin: 0; font: 500 13px var(--mono); }

/* Abschnitte */
.sec { position: relative; z-index: 2; width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 90px 0; }
.sec-kick { margin: 0 0 8px; font: 500 12px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--teal2); }
.sec h2 { margin: 0 0 30px; font-size: clamp(32px, 5vw, 56px); line-height: 1.05; letter-spacing: -.03em; font-weight: 700; }

/* Live-Kacheln */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.tile { padding: 22px; min-height: 150px; display: flex; flex-direction: column; gap: 6px; transition: transform .3s; overflow: hidden; }
.tile:hover { transform: translateY(-3px); }
.tile::after { content: ""; position: absolute; right: -40px; top: -40px; width: 140px; height: 140px; border-radius: 50%; background: radial-gradient(circle, rgba(73, 234, 203, .12), transparent 70%); pointer-events: none; }
.tile.big { grid-column: span 2; grid-row: span 2; }
.tile.wide { grid-column: span 2; }
.lbl { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--mute); }
.val { font: 600 clamp(26px, 3vw, 34px)/1.1 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.big .val { font-size: clamp(44px, 7vw, 84px); margin-top: auto; background: linear-gradient(100deg, #fff, var(--teal2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.big .cur { font: 500 14px var(--mono); color: var(--teal); }
.meta { font-size: 14px; color: var(--mute); }
.chg { font-family: var(--mono); padding: 2px 8px; border-radius: 999px; background: rgba(255, 255, 255, .05); }
.chg.up { color: var(--up); background: rgba(61, 220, 151, .1); }
.chg.down { color: var(--down); background: rgba(255, 107, 125, .1); }
.bar { height: 6px; border-radius: 99px; background: rgba(255, 255, 255, .06); overflow: hidden; margin-top: 4px; }
.bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--teal), var(--teal2)); box-shadow: 0 0 12px var(--teal2); transition: width 1.6s cubic-bezier(.2, .8, .2, 1); }
#v-cd { font-size: clamp(22px, 2.4vw, 28px); }
#v-cd i { font-style: normal; font-size: .55em; color: var(--mute); margin-left: 1px; }

/* Support */
.support { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: center; padding: 40px; overflow: hidden; }
.support p { color: #c5dcd8; margin: 0 0 6px; font-size: 18px; }
.kofi {
  justify-self: end; display: inline-flex; align-items: center; gap: 12px; padding: 16px 26px; border-radius: 18px;
  font: 700 18px var(--sans); color: #021; background: linear-gradient(120deg, #fff 0%, #bffff3 40%, var(--teal2) 100%);
  box-shadow: 0 14px 50px -12px rgba(73, 234, 203, .7); transition: transform .25s, box-shadow .25s;
}
.kofi:hover { transform: translateY(-3px) rotate(-.5deg); text-decoration: none; box-shadow: 0 20px 60px -12px rgba(73, 234, 203, .9); }
.kofi span { font-size: 22px; }

/* Fuss */
.foot { position: relative; z-index: 2; border-top: 1px solid var(--line); padding: 34px 20px 46px; text-align: center; color: var(--mute); font-size: 14px; }
.foot p { margin: 4px 0; }
.foot .row { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 18px; margin-top: 10px; }

/* Einflug beim Scrollen */
.fly { opacity: 0; transform: translateY(36px); transition: opacity .9s cubic-bezier(.2, .8, .2, 1), transform .9s cubic-bezier(.2, .8, .2, 1); }
.fly.in { opacity: 1; transform: none; }
.tiles .fly:nth-child(2) { transition-delay: .06s; } .tiles .fly:nth-child(3) { transition-delay: .12s; }
.tiles .fly:nth-child(4) { transition-delay: .18s; } .tiles .fly:nth-child(5) { transition-delay: .24s; }
.tiles .fly:nth-child(6) { transition-delay: .3s; } .tiles .fly:nth-child(7) { transition-delay: .36s; }

@media (max-width: 960px) {
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .support { grid-template-columns: 1fr; }
  .kofi { justify-self: start; }
}
@media (max-width: 760px) {
  .nav { padding: 6px 6px 6px 12px; gap: 8px; }
  .nav { flex-wrap: wrap; border-radius: 22px; }
  .nav-links { order: 3; width: 100%; margin: 0; padding-bottom: 2px; }
  .nav-links a { font-size: 13px; padding: 6px 10px; }
  .nav-end { margin-left: auto; }
  .hero-in { padding-top: 138px; }
  .hstats { bottom: 18px; width: calc(100% - 24px); justify-content: space-between; }
  .hstats div { padding: 2px 8px; flex: 1; }
  .hstats b { font-size: 16px; }
  .hstats span { font-size: 9px; }
  #dag-panel { top: auto; bottom: 90px; right: 12px; width: calc(100% - 24px); }
  .sec { padding: 64px 0; width: calc(100% - 28px); }
  .tile { padding: 18px; min-height: 120px; }
  .support { padding: 26px; }
}
@media (max-width: 420px) {
  .tiles { grid-template-columns: 1fr; }
  .tile.big, .tile.wide { grid-column: auto; grid-row: auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .fly { opacity: 1; transform: none; }
}