/* ============================================================================
   NEXONIX — Design-System
   Dark, modern, futuristic, clean, premium. Markenfarbe NEXONIX Blue #03196E.
   ============================================================================ */

:root {
  --bg: #020409;
  --bg-secondary: #050914;
  --surface: #080E1C;
  --elevated: #0C1426;
  --primary: #03196E;
  --bright: #1236B8;
  --highlight: #2854D6;
  --text: #F5F7FF;
  --text-secondary: #B7C0D1;
  --text-muted: #737E94;
  --border: rgba(245, 247, 255, 0.08);
  --border-strong: rgba(40, 84, 214, 0.35);
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 20px 60px -20px rgba(3, 25, 110, 0.55);
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--bright) 100%);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0 0 12px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; }
p { margin: 0 0 16px; color: var(--text-secondary); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Background ambience: subtle blue glows, no rainbow/neon */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(700px 500px at 15% -10%, rgba(18, 54, 184, 0.22), transparent 60%),
    radial-gradient(600px 500px at 110% 10%, rgba(40, 84, 214, 0.16), transparent 60%),
    radial-gradient(900px 700px at 50% 120%, rgba(3, 25, 110, 0.25), transparent 60%);
}

/* ---------------------------------- Header --------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(2, 4, 9, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background 200ms var(--ease);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: -0.01em; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 900; color: var(--text);
  box-shadow: 0 0 24px rgba(40, 84, 214, 0.55);
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 180ms var(--ease), background 180ms var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: rgba(255,255,255,0.05); }
.header-actions { display: flex; align-items: center; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(40, 84, 214, 0.65);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -10px rgba(40, 84, 214, 0.8); }
.btn-secondary {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: var(--border-strong); transform: translateY(-2px); }
.btn-sm { padding: 9px 16px; font-size: 13.5px; }

.burger {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  align-items: center; justify-content: center;
  cursor: pointer;
}
.burger span, .burger span::before, .burger span::after {
  content: ""; display: block; width: 18px; height: 2px; background: var(--text);
  border-radius: 2px; position: relative; transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}
.burger span::before { position: absolute; top: -6px; }
.burger span::after { position: absolute; top: 6px; }
.burger.open span { background: transparent; }
.burger.open span::before { transform: translateY(6px) rotate(45deg); }
.burger.open span::after { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  position: fixed; top: var(--header-h); left: 0; right: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 10px 24px 20px;
  display: none;
  flex-direction: column;
  gap: 4px;
  z-index: 99;
}
.mobile-nav.open { display: flex; animation: slideDown 220ms var(--ease); }
.mobile-nav a { padding: 12px 8px; border-radius: 10px; font-weight: 600; color: var(--text-secondary); }
.mobile-nav a:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.mobile-nav .btn { margin-top: 8px; }

@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* ---------------------------------- Hero ----------------------------------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 100px) 0 100px;
  overflow: hidden;
}

/* Große weiche Glow-Ellipse hinter dem Hero-Text */
.hero-glow {
  position: absolute;
  left: 50%; top: -10%;
  width: 130%; height: 120%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(40, 84, 214, 0.20), rgba(3, 25, 110, 0.14) 45%, transparent 72%);
  filter: blur(70px);
  pointer-events: none;
  z-index: -2;
  animation: pulseGlow 7s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; }
}

/* Animierte "Signal"-Welle im Hintergrund des Hero-Bereichs */
.hero-wave {
  position: absolute; inset: 0;
  z-index: -1;
  opacity: 0.55;
  pointer-events: none;
}
@keyframes telemetry {
  0% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -200px; }
}
@keyframes telemetryReverse {
  0% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: 200px; }
}
.wave-scan { animation: telemetry 5s linear infinite; }
.wave-scan-rev { animation: telemetryReverse 16s linear infinite; }

/* Feine, leise blinkende Partikel im Hero */
.hero-particles {
  position: absolute; inset: 0; z-index: -1; overflow: hidden; pointer-events: none;
}
.particle-dot {
  position: absolute;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--highlight);
  animation: twinkle 4s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.05; }
  50% { opacity: 0.9; }
}
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 100px;
  background: rgba(40, 84, 214, 0.12);
  border: 1px solid rgba(40, 84, 214, 0.3);
  color: var(--highlight);
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(42px, 7vw, 84px);
  margin-bottom: 18px;
  background: linear-gradient(180deg, #fff 20%, var(--text-secondary) 150%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero .tagline {
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
}
.hero .lede { font-size: 17px; max-width: 620px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 60px; flex-wrap: wrap; }
.hero-stats .stat b { display: block; font-size: 30px; font-weight: 800; }
.hero-stats .stat span { font-size: 13.5px; color: var(--text-muted); }

/* --------------------------------- Sections --------------------------------- */
section { position: relative; padding: 90px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head .eyebrow { color: var(--highlight); font-weight: 700; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 10px; display: block; }
.section-head h2 { font-size: clamp(28px, 4vw, 40px); }
.section-head p { font-size: 16px; }

.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  position: relative;
  background: linear-gradient(180deg, var(--surface), var(--elevated));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  overflow: hidden;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}
.card::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 0%, rgba(255,255,255,0.07), transparent 70%);
  opacity: 0;
  transition: opacity 300ms var(--ease);
  pointer-events: none;
}
.card:hover::after { opacity: 1; }
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.card .icon {
  width: 46px; height: 46px; border-radius: 12px;
  background: rgba(40, 84, 214, 0.14);
  border: 1px solid rgba(40, 84, 214, 0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 18px;
}
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { font-size: 14.5px; margin-bottom: 0; }

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 500ms var(--ease), transform 500ms var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* --------------------------------- Communities ------------------------------ */
.community-card { display: flex; flex-direction: column; gap: 14px; }
.community-card .flag { font-size: 34px; }
.community-card .lang-pill {
  display: inline-flex; align-self: flex-start;
  padding: 4px 10px; border-radius: 100px; font-size: 12px; font-weight: 700;
  background: rgba(255,255,255,0.06); color: var(--text-muted);
}

/* --------------------------------- Partner tiers ----------------------------- */
.tier-card { text-align: center; border-top: 2px solid transparent; }
.tier-card.t1 { border-top-color: #5EA0FF; }
.tier-card.t2 { border-top-color: var(--bright); }
.tier-card.t3 { border-top-color: var(--highlight); }
.tier-card.t4 { border-top-color: #8EC1FF; box-shadow: 0 0 40px -14px rgba(40,84,214,0.6); }
.tier-card .tier-emoji { font-size: 32px; margin-bottom: 10px; }
.tier-card .tier-range { font-size: 13px; color: var(--text-muted); font-weight: 700; letter-spacing: 0.02em; }

/* --------------------------------- Team -------------------------------------- */
.team-card { text-align: center; }
.team-avatar {
  width: 84px; height: 84px; border-radius: 50%; margin: 0 auto 16px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 26px; color: #fff;
  border: 3px solid rgba(40,84,214,0.35);
}
.team-card h3 { margin-bottom: 2px; }
.team-role { color: var(--highlight); font-weight: 700; font-size: 13.5px; margin-bottom: 4px; }
.team-area { color: var(--text-muted); font-size: 13px; margin-bottom: 14px; }

/* --------------------------------- News --------------------------------------- */
.news-card { display: flex; flex-direction: column; }
.news-img {
  height: 160px; border-radius: 12px; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--primary), var(--elevated));
  display: flex; align-items: center; justify-content: center; font-size: 34px;
}
.news-meta { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; font-size: 12.5px; color: var(--text-muted); }
.news-cat {
  padding: 3px 10px; border-radius: 100px; font-weight: 700; font-size: 11.5px;
  background: rgba(40,84,214,0.16); color: var(--highlight);
}

/* --------------------------------- Social -------------------------------------- */
.social-card { display: flex; align-items: center; gap: 16px; }
.social-icon {
  width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0;
  background: rgba(40,84,214,0.14); border: 1px solid rgba(40,84,214,0.3);
  display: flex; align-items: center; justify-content: center; font-size: 22px;
}

/* --------------------------------- CTA band ------------------------------------ */
.cta-band {
  border-radius: 24px;
  padding: 64px 40px;
  text-align: center;
  background: radial-gradient(600px 300px at 50% 0%, rgba(40,84,214,0.28), transparent 70%), var(--surface);
  border: 1px solid var(--border-strong);
}
.cta-band h2 { font-size: clamp(26px, 4vw, 38px); margin-bottom: 14px; }
.cta-band p { max-width: 520px; margin: 0 auto 30px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* --------------------------------- Footer --------------------------------------- */
footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  background: var(--bg-secondary);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { font-size: 14px; max-width: 280px; }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 16px; }
.footer-col a { display: block; padding: 6px 0; color: var(--text-secondary); font-size: 14.5px; transition: color 160ms; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px;
  padding-top: 26px; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-muted);
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,0.04);
  display: flex; align-items: center; justify-content: center; border: 1px solid var(--border);
  transition: background 160ms, border-color 160ms;
}
.footer-social a:hover { background: rgba(40,84,214,0.18); border-color: var(--border-strong); }
.footer-social a svg { display: block; color: var(--text-secondary); transition: color 160ms; }
.footer-social a:hover svg { color: var(--text); }
.social-icon svg { color: var(--highlight); }

.footer-credit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 0 4px;
  margin-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.footer-credit .badge-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px 6px 6px;
  border-radius: 100px;
  background: rgba(40, 84, 214, 0.10);
  border: 1px solid rgba(40, 84, 214, 0.28);
  color: var(--text-secondary);
  font-weight: 700;
  transition: background 180ms var(--ease), border-color 180ms var(--ease), transform 180ms var(--ease), color 180ms var(--ease);
}
.footer-credit .badge-link:hover {
  background: rgba(40, 84, 214, 0.22);
  border-color: var(--border-strong);
  color: var(--text);
  transform: translateY(-1px);
}
.footer-credit .badge-mark {
  width: 20px; height: 20px; border-radius: 7px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 900; color: #fff;
  flex-shrink: 0;
}

/* --------------------------------- Legal pages ----------------------------------- */
.legal-page { padding-top: calc(var(--header-h) + 60px); padding-bottom: 90px; }
.legal-page h1 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 30px; }
.legal-page h2 { font-size: 20px; margin-top: 36px; margin-bottom: 12px; color: var(--text); }
.legal-page p, .legal-page li { color: var(--text-secondary); font-size: 15px; }
.legal-page .updated { color: var(--text-muted); font-size: 13.5px; margin-top: 40px; }
.legal-page address { font-style: normal; }

/* --------------------------------- Utility --------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }

/* --------------------------------- Responsive ------------------------------------- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .header-actions .btn-secondary { display: none; }
  .burger { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { padding-top: calc(var(--header-h) + 60px); }
  .hero-stats { gap: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  section { padding: 60px 0; }
  .cta-band { padding: 44px 22px; }
}
@media (max-width: 380px) {
  .container { padding: 0 16px; }
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
}