/* kaspa.ch v2 – Grundlayout, Design-Tokens und Hero.
   Tokens sind für sections.css (Writer B) gedacht: bitte nur diese Variablen verwenden. */

:root {
  --bg: #04080b;
  --bg-2: #081115;
  --ink: #eefaf8;
  --ink-2: #b3c6c2;
  --ink-3: #7b928f;
  --teal: #70c7ba;
  --neon: #49eacb;
  --red: #d9606f;
  --up: #5cf0a8;
  --down: #ff6b81;
  --glass: rgba(10, 20, 24, 0.5);
  --glass-hi: rgba(255, 255, 255, 0.05);
  --edge: linear-gradient(140deg, rgba(112, 199, 186, 0.6), rgba(112, 199, 186, 0.04) 42%, rgba(73, 234, 203, 0.38));
  --line: rgba(112, 199, 186, 0.14);
  --r-lg: 24px;
  --r-md: 16px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --font-display: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --wrap: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 600px at 12% -8%, rgba(112, 199, 186, 0.14), transparent 60%),
    radial-gradient(800px 600px at 96% 18%, rgba(73, 234, 203, 0.09), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg-2) 55%, var(--bg));
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

a {
  color: var(--neon);
  text-decoration: none;
  transition: color 0.2s var(--ease), text-shadow 0.2s var(--ease);
}

a:hover {
  text-shadow: 0 0 14px rgba(73, 234, 203, 0.55);
}

:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: 6px;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

p {
  margin: 0 0 12px;
}

.mono {
  font-family: var(--font-mono);
}

.skip {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--neon);
  color: #04080b;
  font-weight: 600;
  transition: top 0.2s var(--ease);
}

.skip:focus {
  top: 12px;
}

/* ---------- Glas ---------- */

.glass {
  position: relative;
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  border-radius: var(--r-lg);
  box-shadow:
    0 30px 80px -30px rgba(0, 0, 0, 0.75),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  isolation: isolate;
}

/* feiner Verlaufsrand (1px) über Maske */
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--edge);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.8;
}

/* ---------- Navigation ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(4, 8, 11, 0.6);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid var(--line);
}

.nav-in {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px 16px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.brand:hover {
  text-shadow: none;
}

.brand svg {
  width: 28px;
  height: 28px;
  filter: drop-shadow(0 0 8px rgba(73, 234, 203, 0.5));
}

.nav-links {
  order: 3;
  width: 100%;
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links a {
  flex: none;
  scroll-snap-align: start;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--ink-3);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav-links a:hover,
.nav-links a[aria-current="true"] {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(112, 199, 186, 0.06);
  text-shadow: none;
}

.nav-end {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.kofi-mini {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 15px;
  opacity: 0.8;
}

.kofi-mini:hover {
  opacity: 1;
  border-color: var(--neon);
  text-shadow: none;
}

.lang {
  display: flex;
  gap: 4px;
}

.lang button {
  font: 500 12px var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--ink-3);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 11px;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.lang button:hover {
  color: var(--ink);
  border-color: var(--neon);
}

.lang button[aria-pressed="true"] {
  color: var(--neon);
  border-color: var(--neon);
  box-shadow: 0 0 18px rgba(73, 234, 203, 0.2);
}

@media (min-width: 880px) {
  .nav-links {
    order: 0;
    width: auto;
    overflow: visible;
  }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  isolation: isolate;
  min-height: min(100svh, 940px);
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 72px 20px 88px;
}

.hero-stage {
  position: absolute;
  inset: 0;
  z-index: -2;
}

#dag3d {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: pan-y;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  /* dunkler Verlauf hinter dem Titel, Vignette an den Rändern, Boden verdunkelt */
  background:
    radial-gradient(ellipse 46% 17% at 50% 36%, rgba(4, 8, 11, 0.85) 0%, rgba(4, 8, 11, 0.4) 60%, transparent 100%),
    radial-gradient(ellipse 80% 70% at 50% 50%, transparent 40%, rgba(4, 8, 11, 0.8) 100%),
    linear-gradient(180deg, rgba(4, 8, 11, 0.5), transparent 22%, transparent 72%, var(--bg));
}

.hero-in {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--wrap);
  text-align: center;
  pointer-events: none;
}

.kicker {
  font: 500 12px var(--font-mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 14px;
  text-shadow: 0 0 18px rgba(73, 234, 203, 0.45);
}

.hero-title {
  font-size: clamp(64px, 15vw, 188px);
  font-weight: 600;
  line-height: 0.88;
  letter-spacing: -0.06em;
  margin: 0;
  white-space: nowrap;
}

.hero-title .hot,
.hero-title .dot {
  background: linear-gradient(100deg, #cffff5 0%, var(--neon) 42%, var(--teal) 78%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 28px rgba(112, 199, 186, 0.25));
}


.claim {
  max-width: 44ch;
  margin: 22px auto 34px;
  color: var(--ink-2);
  font-size: clamp(18px, 2.3vw, 24px);
  line-height: 1.4;
}

.hero-meter {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  margin: 0;
  padding: 6px;
  border-radius: 999px;
  pointer-events: auto;
}

.hero-meter::before {
  border-radius: 999px;
}

.hero-meter > div {
  padding: 10px 20px;
  min-width: 128px;
  text-align: left;
}

.hero-meter > div + div {
  border-left: 1px solid var(--line);
}

.hero-meter dt {
  font: 500 11px var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0;
}

.hero-meter dd {
  margin: 4px 0 0;
  font: 500 19px var(--font-mono);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* Glas-Panel zum Block */
.blk-panel {
  position: absolute;
  z-index: 3;
  right: 16px;
  bottom: 16px;
  width: min(360px, calc(100% - 32px));
  padding: 18px 18px 14px;
  pointer-events: auto;
  animation: panel-in 0.45s var(--ease);
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
}

.blk-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.blk-head .kicker {
  margin: 0;
}

.blk-close {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink-2);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.blk-close:hover {
  color: var(--ink);
  border-color: var(--neon);
}

.blk-rows {
  margin: 0;
  display: grid;
  gap: 0;
}

.blk-rows > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}

.blk-rows dt {
  color: var(--ink-3);
  font-size: 14px;
  flex: none;
}

.blk-rows dd {
  margin: 0;
  font: 500 14px var(--font-mono);
  color: var(--ink);
  text-align: right;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

/* ---------- Sektionen ---------- */

.section {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 88px 20px 0;
}

.sec-head {
  margin-bottom: 28px;
}

.eyebrow {
  font: 500 12px var(--font-mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 10px;
}

.sec-head h2,
.support-card h2 {
  font-size: clamp(30px, 4.6vw, 52px);
  letter-spacing: -0.03em;
}

/* Live-Kacheln */
.tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.tile {
  padding: 22px 22px 20px;
  min-width: 0;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.tile:hover {
  transform: translateY(-3px);
  box-shadow:
    0 40px 90px -30px rgba(0, 0, 0, 0.8),
    0 0 50px -10px rgba(73, 234, 203, 0.2);
}

.tile .lbl {
  font: 500 12px var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0;
}

.tile .val {
  font: 600 30px var(--font-display);
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.tile .meta {
  margin: 8px 0 0;
  color: var(--ink-2);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.tile-big .val {
  font-size: clamp(40px, 6vw, 64px);
  color: var(--neon);
  text-shadow: 0 0 26px rgba(73, 234, 203, 0.3);
}

.chg.up {
  color: var(--up);
}

.chg.down {
  color: var(--down);
}

.bar {
  height: 6px;
  margin-top: 16px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--teal), var(--neon));
  box-shadow: 0 0 14px rgba(73, 234, 203, 0.5);
  transition: width 1.2s var(--ease);
}

/* Karten */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.card {
  padding: 26px 24px;
  display: block;
  color: var(--ink-2);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.card h3 {
  font-size: 22px;
  color: var(--ink);
  margin: 0 0 12px;
}

.card p {
  font-size: 16px;
  color: var(--ink-2);
}

.card ul {
  margin: 0;
  padding-left: 20px;
  font-size: 16px;
  color: var(--ink-2);
}

.card li {
  margin-bottom: 8px;
}

.link-card {
  color: var(--ink-2);
}

.link-card:hover {
  transform: translateY(-3px);
  text-shadow: none;
}

.card-k {
  display: block;
  font: 500 15px var(--font-mono);
  color: var(--neon);
  margin-bottom: 10px;
  overflow-wrap: anywhere;
}

.card-t {
  display: block;
  font-size: 16px;
  color: var(--ink-2);
}

.faq {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.faq details {
  padding: 16px 22px;
}

.faq summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  color: var(--neon);
  font-family: var(--font-mono);
  transition: transform 0.3s var(--ease);
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq details p {
  margin: 12px 0 0;
  color: var(--ink-2);
  font-size: 16px;
}

/* Support */
.support-card {
  padding: 40px 28px;
  text-align: center;
}

.support-card p {
  color: var(--ink-2);
  max-width: 46ch;
  margin: 14px auto 24px;
}

.kofi-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(112, 199, 186, 0.22), rgba(73, 234, 203, 0.14));
  border: 1px solid rgba(73, 234, 203, 0.45);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.kofi-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(73, 234, 203, 0.22);
  text-shadow: none;
  color: var(--ink);
}

/* Fuß */
.foot {
  margin-top: 96px;
  border-top: 1px solid var(--line);
  padding: 30px 20px 44px;
  color: var(--ink-3);
  font-size: 14px;
}

.foot-in {
  max-width: var(--wrap);
  margin: 0 auto;
  display: grid;
  gap: 8px;
  justify-items: start;
}

.foot p {
  margin: 0;
}

.foot a {
  color: var(--ink-2);
}

.kofi-foot {
  color: var(--ink-2);
}

/* ---------- Einblenden ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(28px) scale(0.985);
  transition:
    opacity 0.9s var(--ease) var(--d, 0ms),
    transform 0.9s var(--ease) var(--d, 0ms);
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

/* Cursor-Glow (Desktop) */
.cursor-glow {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 0;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(73, 234, 203, 0.12), transparent 62%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  will-change: transform;
}

.cursor-glow.on {
  opacity: 1;
}

@media (hover: none), (pointer: coarse) {
  .cursor-glow {
    display: none;
  }
}

/* ---------- Breakpoints ---------- */

@media (min-width: 560px) {
  .tiles,
  .cards {
    grid-template-columns: 1fr 1fr;
  }

  .tile-big,
  .tile-wide {
    grid-column: 1 / -1;
  }

  .hero-meter > div {
    min-width: 150px;
  }
}

@media (min-width: 920px) {
  .tiles {
    grid-template-columns: repeat(6, 1fr);
  }

  .tile {
    grid-column: span 2;
  }

  .tile-big,
  .tile-mid {
    grid-column: span 3;
  }

  .tile-wide {
    grid-column: span 4;
  }

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

  .cards.learn {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq {
    margin-top: 18px;
  }

  .blk-panel {
    right: 28px;
    bottom: 28px;
  }
}

@media (max-width: 379px) {
  .hero-title {
    font-size: 58px;
  }

  .hero-meter > div {
    min-width: 0;
    padding: 8px 12px;
  }

  .hero-meter dd {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}