/* ═══════════════════════════════════════════════════════
   JJ-LAB.de — Main Stylesheet
   Design: Dark Lab Aesthetic · Cyan/Purple · Glassmorphism
   ═══════════════════════════════════════════════════════ */

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colors */
  --cyan:        #00f0ff;
  --cyan-dim:    #00f0ff33;
  --cyan-glow:   #00f0ff66;
  --purple:      #9b5de5;
  --purple-dim:  #9b5de533;
  --green:       #00ff88;
  --green-dim:   #00ff8833;
  --dark-0:      #050507;
  --dark-1:      #0a0a0e;
  --dark-2:      #101016;
  --dark-3:      #181822;
  --dark-4:      #20202d;
  --dark-5:      #2a2a3b;
  --text-primary:   #e8edf5;
  --text-secondary: #8a9bbf;
  --text-muted:     #4a5978;
  --border:      #1e2a45;
  --border-light: #2a3a5c;

  /* Typography */
  --font-main:   'Space Grotesk', 'Inter', sans-serif;
  --font-mono:   'JetBrains Mono', monospace;

  /* Spacing */
  --section-pad: 6rem;
  --container:   1200px;
  --radius:      12px;
  --radius-lg:   20px;

  /* Transitions */
  --ease:        cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background: var(--dark-0);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--dark-1); }
::-webkit-scrollbar-thumb { background: var(--cyan-glow); border-radius: 2px; }

/* ── SELECTION ── */
::selection { background: var(--cyan-dim); color: var(--cyan); }

/* ── CONTAINER ── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  border: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--cyan), #0099cc);
  color: var(--dark-0);
  box-shadow: 0 0 20px var(--cyan-dim), 0 4px 14px rgba(0,0,0,0.4);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px var(--cyan-glow), 0 8px 24px rgba(0,0,0,0.5);
  filter: brightness(1.1);
}

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-dim);
  transform: translateY(-2px);
}

.btn--lg { padding: 1rem 2.25rem; font-size: 1rem; }
.btn__icon { width: 18px; height: 18px; }

/* ── SECTION LABELS ── */
.section__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.section__headline {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.section__headline em { color: var(--cyan); font-style: normal; }

.section__sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 3.5rem;
}

/* ── TAGS ── */
.tag {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: var(--dark-3);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all 0.2s var(--ease);
}
.tag:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-dim); }
.tag--sm { font-size: 0.7rem; padding: 0.2rem 0.65rem; }

/* ────────────────────────────────────────────────
   HEADER / NAV
──────────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all 0.35s var(--ease);
}
.header.scrolled {
  background: rgba(4, 5, 10, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  cursor: pointer;
}

.nav__logo-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cyan), #0077aa);
  color: var(--dark-0);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  box-shadow: 0 0 20px var(--cyan-dim);
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.nav__logo-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}
.nav__logo-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 0.15rem;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}
.nav__link {
  display: inline-block;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s;
  letter-spacing: 0.02em;
}
.nav__link:hover { color: var(--text-primary); background: var(--dark-3); }
.nav__link--cta {
  background: linear-gradient(135deg, var(--cyan), #0099cc);
  color: var(--dark-0) !important;
  margin-left: 0.5rem;
  font-weight: 600;
  box-shadow: 0 0 16px var(--cyan-dim);
}
.nav__link--cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 25px var(--cyan-glow);
  background: var(--dark-3) !important;
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ────────────────────────────────────────────────
   HERO
──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.3) saturate(1.3);
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(0, 212, 255, 0.08) 0%, transparent 60%),
    linear-gradient(180deg, rgba(4,5,10,0.3) 0%, rgba(4,5,10,0.7) 50%, var(--dark-0) 100%);
}

.hero__noise {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.025;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Floating terminal */
.hero__terminal {
  position: absolute;
  bottom: 12%;
  right: 5%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  opacity: 0;
  animation: terminalFadeIn 1s var(--ease) 1.2s forwards;
}
.terminal__line {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  animation: slideInRight 0.6s var(--ease) both;
}
.terminal__line--1 { animation-delay: 1.4s; }
.terminal__line--2 { animation-delay: 1.7s; }
.terminal__line--3 { animation-delay: 2s; }
.t-prompt { color: var(--cyan); }
.t-cmd { color: var(--text-secondary); }
.t-green { color: var(--green); }

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: 6rem;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 2rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--cyan-dim);
  border-radius: 100px;
  background: rgba(0, 212, 255, 0.05);
  animation: fadeUp 0.8s var(--ease) 0.2s both;
}
.hero__tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}

.hero__headline {
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  animation: fadeUp 0.8s var(--ease) 0.4s both;
}
.hero__headline em {
  font-style: normal;
  background: linear-gradient(90deg, var(--cyan), #0077ff, var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  animation: fadeUp 0.8s var(--ease) 0.6s both;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
  animation: fadeUp 0.8s var(--ease) 0.8s both;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  animation: fadeUp 0.8s var(--ease) 1s both;
  padding: 1.5rem 2rem;
  background: rgba(13, 19, 34, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: inline-flex;
}
.hero__stat { text-align: center; }
.hero__stat-num {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.hero__stat-num .accent { color: var(--cyan); }
.hero__stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: fadeUp 1s var(--ease) 1.5s both;
}
.hero__scroll-indicator span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}
.scroll__line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ────────────────────────────────────────────────
   MISSION SECTION
──────────────────────────────────────────────── */
.section { padding: var(--section-pad) 0; }

.mission {
  background: var(--dark-1);
  position: relative;
  overflow: hidden;
}
.mission::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(155,93,229,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.mission__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

.mission__headline {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}
.mission__headline em { color: var(--cyan); font-style: normal; }

.mission__accent-bar {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  border-radius: 2px;
  box-shadow: 0 0 12px var(--cyan-glow);
}

.mission__text {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.85;
  margin-bottom: 1.25rem;
}
.mission__text--highlight {
  color: var(--text-primary);
  font-style: italic;
  border-left: 2px solid var(--cyan);
  padding-left: 1rem;
  margin-left: 0;
}

.mission__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}

/* ────────────────────────────────────────────────
   PILLARS SECTION
──────────────────────────────────────────────── */
.pillars {
  background: var(--dark-0);
  position: relative;
  overflow: hidden;
}

.pillars__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pillar {
  position: relative;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  background: var(--dark-2);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.35s var(--ease);
  cursor: default;
}
.pillar:hover {
  transform: translateY(-6px);
  border-color: var(--border-light);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.pillar--featured {
  background: linear-gradient(135deg, var(--dark-2), rgba(155,93,229,0.07));
  border-color: rgba(155,93,229,0.3);
}
.pillar--featured:hover { border-color: var(--purple); }

.pillar__glow {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  pointer-events: none;
  transition: opacity 0.3s;
}
.pillar__glow--cyan  { background: radial-gradient(circle, rgba(0,212,255,0.12) 0%, transparent 60%); }
.pillar__glow--purple { background: radial-gradient(circle, rgba(155,93,229,0.15) 0%, transparent 60%); }
.pillar__glow--green  { background: radial-gradient(circle, rgba(0,255,136,0.1) 0%, transparent 60%); }

.pillar:hover .pillar__glow--cyan   { opacity: 2; }
.pillar:hover .pillar__glow--purple { opacity: 1.5; }
.pillar:hover .pillar__glow--green  { opacity: 2; }

.pillar__number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.pillar__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  color: var(--cyan);
  transition: color 0.3s;
}
.pillar--featured .pillar__icon { color: var(--purple); }
.pillar:last-child .pillar__icon { color: var(--green); }

.pillar__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
  letter-spacing: 0.01em;
}

.pillar__text {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.pillar__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ────────────────────────────────────────────────
   ECOSYSTEM SECTION
──────────────────────────────────────────────── */
.ecosystem {
  background: var(--dark-1);
  position: relative;
}

.ecosystem__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.eco-card {
  position: relative;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--dark-2);
  border: 1px solid var(--border);
  transition: all 0.3s var(--ease);
  overflow: hidden;
}
.eco-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}

.eco-card--umbrella {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--dark-2), rgba(0, 212, 255, 0.04));
  border-color: rgba(0,212,255,0.2);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
}
.eco-card--umbrella:hover { border-color: var(--cyan); }

.eco-card--active {
  background: linear-gradient(135deg, var(--dark-2), rgba(0, 212, 255, 0.08));
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.08);
}
.eco-card--active:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.15);
}

.eco-card__active-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 0%, rgba(0,212,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.eco-card__badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  background: var(--dark-4);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.eco-card__badge--cyan   { background: var(--cyan-dim); color: var(--cyan); border-color: var(--cyan-glow); }
.eco-card__badge--blue   { background: rgba(0,120,255,0.15); color: #5baeff; border-color: rgba(0,120,255,0.3); }
.eco-card__badge--purple { background: var(--purple-dim); color: var(--purple); border-color: rgba(155,93,229,0.3); }

.eco-card__icon {
  width: 44px;
  height: 44px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color 0.3s;
}
.eco-card--umbrella .eco-card__icon { color: var(--cyan); }
.eco-card--active   .eco-card__icon { color: var(--cyan); }

.eco-card__content {}

.eco-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}
.eco-card__note { color: var(--text-muted); font-weight: 400; font-size: 0.9rem; }

.eco-card__desc {
  font-size: 0.8rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}
.eco-card--active .eco-card__desc { color: var(--cyan); }

.eco-card__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.eco-card__you {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--green);
  font-weight: 400;
  margin-left: 0.5rem;
  animation: pulse 2s infinite;
}

.eco-card__connector {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}
.eco-card__connector span {
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.4;
}

/* ────────────────────────────────────────────────
   CONTACT SECTION
──────────────────────────────────────────────── */
.contact {
  background: var(--dark-0);
  position: relative;
  text-align: center;
  overflow: hidden;
}

.contact__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 50% 100%, rgba(0, 212, 255, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(155, 93, 229, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.contact__inner { position: relative; z-index: 1; }

.contact__headline {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}
.contact__headline em { color: var(--cyan); font-style: normal; }

.contact__sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

.contact__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.contact__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.contact__meta strong { color: var(--text-secondary); font-weight: 500; }

/* ────────────────────────────────────────────────
   FOOTER
──────────────────────────────────────────────── */
.footer {
  background: var(--dark-1);
  border-top: 1px solid var(--border);
  padding: 4rem 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 3rem;
  align-items: center;
  padding-bottom: 3rem;
}

.footer__tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  font-family: var(--font-mono);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer__link {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer__link:hover { color: var(--cyan); }

.footer__legal { text-align: right; }
.footer__copy {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 0.5rem;
}
.footer__status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--cyan);
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}
.footer__legal-links {
  display: flex;
  gap: 1.25rem;
  justify-content: flex-end;
}

.footer__bar {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--purple), transparent);
  opacity: 0.4;
}

/* ────────────────────────────────────────────────
   ANIMATIONS
──────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 0.8; transform: translateX(0); }
}
@keyframes terminalFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50%       { transform: scaleY(0.7); opacity: 0.5; }
}

/* Intersection Observer Reveals */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ────────────────────────────────────────────────
   STAMMBAUM / NETWORK TREE SECTION
──────────────────────────────────────────────── */
.stammbaum {
  background: var(--dark-0);
  position: relative;
  overflow: hidden;
}

.stammbaum__ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.stammbaum__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.12;
}
.stammbaum__orb--gold {
  width: 500px; height: 500px;
  top: -150px; left: -100px;
  background: radial-gradient(circle, #d4af37, transparent 70%);
}
.stammbaum__orb--purple {
  width: 400px; height: 400px;
  bottom: -100px; right: -80px;
  background: radial-gradient(circle, var(--purple), transparent 70%);
}
.stammbaum__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 20%, transparent 80%);
}

/* ── Tree Layout ── */
.tree {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 2rem 0 3rem;
}

.tree__svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* SVG Path styles */
.tree__path--cyan  { stroke: url(#grad-wftech); }
.tree__path--purple { stroke: url(#grad-jjtech); }
.tree__path--green  { stroke: url(#grad-jjlab); }

.tree__path {
  stroke-dashoffset: 0;
  animation: dashFlow 3s linear infinite;
}
.tree__path--purple { animation-delay: 0.5s; }
.tree__path--green  { animation-delay: 1s; }

.tree__path-glow--cyan   { stroke: var(--cyan);   stroke-opacity: 0.07; }
.tree__path-glow--purple { stroke: var(--purple); stroke-opacity: 0.08; }
.tree__path-glow--green  { stroke: var(--green);  stroke-opacity: 0.07; }

@keyframes dashFlow {
  from { stroke-dashoffset: 130; }
  to   { stroke-dashoffset: 0; }
}

/* ── Tree Levels ── */
.tree__level {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  justify-content: center;
}

.tree__level--root { margin-bottom: 3.5rem; }

.tree__level--children {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  max-width: 760px;
  width: 100%;
  gap: 2rem;
}

.tree__branch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  flex: 1;
}

.tree__connector-vertical {
  width: 1px;
  height: 3rem;
  background: linear-gradient(to bottom, rgba(0,255,136,0.4), rgba(0,255,136,0.1));
  position: relative;
  margin: 0;
}
.tree__connector-vertical::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--green);
}

/* ── Tree Node Cards ── */
.tree-node {
  display: block;
  position: relative;
  width: 100%;
  max-width: 320px;
  border-radius: 16px;
  background: var(--dark-2);
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  color: var(--text-primary);
  overflow: hidden;
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.1s;
  cursor: pointer;
  transform-style: preserve-3d;
  will-change: transform;
}
.tree-node:hover {
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

/* Root node — bigger, gold accent */
.tree-node--root {
  max-width: 380px;
  padding: 1.5rem 2rem;
  background: linear-gradient(135deg, var(--dark-2), rgba(212,175,55,0.05));
  border-color: rgba(212,175,55,0.25);
}
.tree-node--root:hover {
  border-color: rgba(212,175,55,0.6);
  box-shadow: 0 0 50px rgba(212,175,55,0.12), 0 20px 50px rgba(0,0,0,0.5);
}
.tree-node--root .tree-node__icon { color: #d4af37; }
.tree-node--root .tree-node__name { font-size: 1.3rem; }

/* Cyan variant */
.tree-node--cyan {
  border-color: rgba(0,212,255,0.15);
}
.tree-node--cyan:hover {
  border-color: rgba(0,212,255,0.5);
  box-shadow: 0 0 35px rgba(0,212,255,0.1), 0 20px 40px rgba(0,0,0,0.4);
}
.tree-node--cyan .tree-node__icon { color: var(--cyan); }

/* Purple variant */
.tree-node--purple {
  border-color: rgba(155,93,229,0.2);
}
.tree-node--purple:hover {
  border-color: rgba(155,93,229,0.5);
  box-shadow: 0 0 35px rgba(155,93,229,0.12), 0 20px 40px rgba(0,0,0,0.4);
}
.tree-node--purple .tree-node__icon { color: var(--purple); }

/* Green / Active variant */
.tree-node--green {
  border-color: rgba(0,255,136,0.2);
}
.tree-node--green:hover {
  border-color: rgba(0,255,136,0.5);
  box-shadow: 0 0 35px rgba(0,255,136,0.12), 0 20px 40px rgba(0,0,0,0.4);
}
.tree-node--green .tree-node__icon { color: var(--green); }

/* Active highlight */
.tree-node--active {
  background: linear-gradient(135deg, var(--dark-2), rgba(0,255,136,0.06));
  border-color: rgba(0,255,136,0.35);
  box-shadow: 0 0 30px rgba(0,255,136,0.08);
}

.tree-node__active-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(0,255,136,0.1), transparent 70%);
  pointer-events: none;
}

/* Node pulse ring (root only) */
.tree-node__pulse {
  position: absolute;
  inset: -6px;
  border-radius: 20px;
  border: 1px solid rgba(212,175,55,0.15);
  animation: nodePing 3s ease-out infinite;
  pointer-events: none;
}
@keyframes nodePing {
  0%   { opacity: 0.6; transform: scale(1); }
  100% { opacity: 0;   transform: scale(1.06); }
}

/* Scan line on hover */
.tree-node__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s;
}
.tree-node:hover .tree-node__scan { opacity: 1; }
.tree-node__scan::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, currentColor, transparent);
  top: -10%;
  animation: scanLine 1.8s linear infinite;
}
.tree-node--root .tree-node__scan::after   { color: rgba(212,175,55,0.4); }
.tree-node--cyan .tree-node__scan::after   { color: rgba(0,212,255,0.4); }
.tree-node--purple .tree-node__scan::after { color: rgba(155,93,229,0.4); }
.tree-node--green .tree-node__scan::after  { color: rgba(0,255,136,0.4); }

@keyframes scanLine {
  from { top: -10%; }
  to   { top: 110%; }
}

/* Node inner layout */
.tree-node__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.tree-node__icon {
  width: 40px; height: 40px;
  flex-shrink: 0;
  transition: all 0.3s;
}
.tree-node--root .tree-node__icon { width: 48px; height: 48px; }
.tree-node:hover .tree-node__icon { filter: drop-shadow(0 0 8px currentColor); }

.tree-node__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.tree-node__name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  transition: color 0.3s;
}
.tree-node__name em {
  font-style: normal;
  opacity: 0.6;
}
.tree-node--root:hover .tree-node__name { color: #d4af37; }
.tree-node--cyan:hover .tree-node__name  { color: var(--cyan); }
.tree-node--purple:hover .tree-node__name { color: var(--purple); }
.tree-node--green:hover .tree-node__name { color: var(--green); }

.tree-node__role {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.tree-node__role b { color: var(--green); font-weight: 600; }

.tree-node__ext {
  font-size: 1rem;
  color: var(--text-muted);
  transition: all 0.3s;
  opacity: 0;
  flex-shrink: 0;
}
.tree-node:hover .tree-node__ext {
  opacity: 1;
  transform: translateY(-2px) translateX(2px);
}

/* Status badge */
.tree-node__status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--cyan);
  position: relative; z-index: 1;
}
.tree-node__status span {
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s infinite;
}
.tree-node__status--green { color: var(--green); }
.tree-node__status--green span {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

/* Corner decoration */
.tree-node::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 36px; height: 36px;
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  pointer-events: none;
}
.tree-node--root::before   { background: rgba(212,175,55,0.15); }
.tree-node--cyan::before   { background: rgba(0,212,255,0.1); }
.tree-node--purple::before { background: rgba(155,93,229,0.12); }
.tree-node--green::before  { background: rgba(0,255,136,0.1); }

/* ────────────────────────────────────────────────
   RESPONSIVE
──────────────────────────────────────────────── */
@media (max-width: 1024px) {

  .pillars__grid { grid-template-columns: 1fr 1fr; }
  .mission__grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  :root { --section-pad: 4rem; }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(8, 12, 20, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem;
    gap: 0.25rem;
  }
  .nav__links.open { display: flex; }
  .nav__link { padding: 0.75rem 1rem; }
  .nav__burger { display: flex; }

  .pillars__grid { grid-template-columns: 1fr; }
  .ecosystem__grid { grid-template-columns: 1fr; }
  .eco-card--umbrella { grid-template-columns: 1fr; }
  .eco-card__connector { display: none; }

  .footer__inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer__legal { text-align: left; }
  .footer__legal-links { justify-content: flex-start; }

  .hero__terminal { display: none; }
  .hero__stats { gap: 1.5rem; padding: 1.25rem; }
  .hero__stat-divider { height: 30px; }

  .contact__actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .hero__stats { flex-direction: column; gap: 1rem; }
  .hero__stat-divider { width: 60px; height: 1px; }
}