/* =====================================================
   SOLARIS NEXT — Digital Exposé
   solaris-stuttgart.de
   Design: Wimborne White · Ink · Neon Violet
   ===================================================== */

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

:root {
  --cream:       #F1ECE1;
  --ink:         #0A0907;
  --concrete:    #6A635A;
  --neon:        #B026FF;
  --neon-light:  #D166FF;
  --cyan:        #00E5D4;
  --dark-cyber:  #060405;

  --font-display: 'Space Grotesk', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --ease:        cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out:    cubic-bezier(0.0, 0.0, 0.2, 1);
  --t:           0.6s var(--ease);
  --t-fast:      0.3s var(--ease);
}

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

body {
  font-family: var(--font-display);
  background: var(--cream);
  color: var(--ink);
  overflow-x: hidden;
  cursor: none;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
em { font-style: italic; }
strong { font-weight: 600; }

/* =====================================================
   CUSTOM CURSOR
   ===================================================== */

.cursor-dot {
  position: fixed;
  width: 6px; height: 6px;
  background: var(--neon);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 10000;
  transition: opacity 0.2s, transform 0.1s;
}

.cursor-ring {
  position: fixed;
  width: 34px; height: 34px;
  border: 1px solid rgba(176, 38, 255, 0.45);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9999;
  transition: width 0.35s var(--ease), height 0.35s var(--ease),
              border-color 0.35s, transform 0.12s linear;
}

.cursor-ring.hover {
  width: 52px; height: 52px;
  border-color: var(--neon);
}

/* =====================================================
   TYPOGRAPHY HELPERS
   ===================================================== */

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--concrete);
}

.section-headline {
  font-size: clamp(2.8rem, 6.5vw, 9rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.92;
}

/* =====================================================
   NEON EFFECTS
   ===================================================== */

.neon-text {
  color: var(--neon);
  text-shadow:
    0 0 7px  rgba(176, 38, 255, 1.0),
    0 0 14px rgba(176, 38, 255, 0.9),
    0 0 28px rgba(176, 38, 255, 0.7),
    0 0 56px rgba(176, 38, 255, 0.45),
    0 0 90px rgba(176, 38, 255, 0.25),
    0 0 130px rgba(176, 38, 255, 0.1);
  animation: neon-flicker 7s infinite alternate;
}

.neon-cyan {
  color: var(--cyan);
  text-shadow:
    0 0 7px  rgba(0, 229, 212, 1.0),
    0 0 28px rgba(0, 229, 212, 0.7),
    0 0 56px rgba(0, 229, 212, 0.4);
}

@keyframes neon-flicker {
  0%, 18%, 22%, 25%, 54%, 58%, 100% {
    text-shadow:
      0 0 7px  rgba(176, 38, 255, 1.0),
      0 0 14px rgba(176, 38, 255, 0.9),
      0 0 28px rgba(176, 38, 255, 0.7),
      0 0 56px rgba(176, 38, 255, 0.45),
      0 0 90px rgba(176, 38, 255, 0.25),
      0 0 130px rgba(176, 38, 255, 0.1);
  }
  20%, 24%, 56% {
    text-shadow: none;
    color: rgba(176, 38, 255, 0.35);
  }
}

/* =====================================================
   LAYOUT UTILITIES
   ===================================================== */

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 60px;
}

.section-dark  { background: var(--ink);        color: var(--cream); }
.section-cream { background: var(--cream);       color: var(--ink);   }
.section-cyber { background: var(--dark-cyber);  color: var(--cream); }

/* =====================================================
   REVEAL ANIMATIONS
   ===================================================== */

.reveal {
  opacity: 0;
  transform: translateY(44px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-x {
  opacity: 0;
  transform: translateX(-44px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal-x.visible { opacity: 1; transform: translateX(0); }

.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.18s; }
.d3 { transition-delay: 0.28s; }
.d4 { transition-delay: 0.38s; }
.d5 { transition-delay: 0.48s; }

/* =====================================================
   NAVIGATION
   ===================================================== */

#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 22px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s, padding 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}

#nav.scrolled {
  background: rgba(10, 9, 7, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 14px 60px;
  border-color: rgba(176, 38, 255, 0.12);
}

.nav-logo {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--cream);
  text-decoration: none;
  transition: opacity var(--t-fast);
}
.nav-logo:hover { opacity: 0.75; }
.nav-logo em { color: var(--neon); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.8rem;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(241, 236, 225, 0.55);
  text-decoration: none;
  transition: color var(--t-fast);
}
.nav-links a:hover { color: var(--cream); }

.nav-cta {
  color: var(--neon-light) !important;
  border: 1px solid rgba(176, 38, 255, 0.3);
  padding: 9px 22px !important;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast) !important;
}
.nav-cta:hover {
  background: var(--neon) !important;
  color: var(--cream) !important;
  border-color: var(--neon) !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: 1px;
  background: var(--cream);
  transition: transform var(--t-fast), opacity var(--t-fast);
}

.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--ink);
  z-index: 800;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: 2rem;
  font-weight: 700;
  color: var(--cream);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-mobile a:hover { color: var(--neon-light); }

/* =====================================================
   HERO
   ===================================================== */

#hero-scroll-zone {
  height: 450vh;
  position: relative;
}

#hero {
  height: 100vh;
  position: sticky;
  top: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 0 80px;
}

#hero-video {
  position: absolute;
  top: -9999px;
  left: -9999px;
  width: 640px;
  height: 360px;
  opacity: 0;
  pointer-events: none;
}

#hero-display {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#hero-loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  pointer-events: none;
}

.loader-dot {
  width: 8px;
  height: 8px;
  background: var(--neon);
  border-radius: 50%;
  box-shadow: 0 0 14px var(--neon), 0 0 28px rgba(176, 38, 255, 0.6);
  animation: loader-pulse 1.2s ease-in-out infinite;
}

@keyframes loader-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.25; transform: scale(0.4); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 0 60px;
  opacity: 0;
  transition: opacity 0.6s ease;
}

/* Cancel child fade-ups — parent opacity drives the reveal */
#hero-scroll-zone .hero-eyebrow,
#hero-scroll-zone .hero-title,
#hero-scroll-zone .hero-bottom,
#hero-scroll-zone .hero-data-strip {
  opacity: 1;
  transform: none;
  animation: none;
}

/* Text must be dark — it fades in over a white background */
#hero-scroll-zone .hero-inner .hero-title {
  color: var(--ink);
}
#hero-scroll-zone .hero-inner .hero-sub {
  color: rgba(10, 9, 7, 0.60);
}
#hero-scroll-zone .hero-inner .hero-data-strip {
  border-top-color: rgba(10, 9, 7, 0.12);
}
#hero-scroll-zone .hero-inner .hero-data-strip span.hi {
  color: rgba(10, 9, 7, 0.65);
}
#hero-scroll-zone .hero-inner .btn-ghost {
  color: var(--ink);
  border-color: rgba(10, 9, 7, 0.28);
}
#hero-scroll-zone .hero-inner .btn-ghost:hover {
  border-color: var(--ink);
  background: rgba(10, 9, 7, 0.05);
}

/* Hero-inner spans the full section so the eyebrow always sits below the nav.
   margin-bottom: auto on the eyebrow acts as a flex spacer, pushing the title
   + content cluster to the bottom (unchanged visual at large viewports). */
@media (min-width: 769px) {
  #hero-scroll-zone .hero-inner {
    position: absolute;
    inset: 0;
    padding: 90px 60px 80px;
    display: flex;
    flex-direction: column;
  }
  #hero-scroll-zone .hero-inner .hero-eyebrow {
    margin-bottom: auto;
  }
  /* The inline-style span inside hero-sub is cream — force it dark */
  #hero-scroll-zone .hero-inner .hero-sub span {
    color: rgba(10, 9, 7, 0.45) !important;
  }
}

/* Neon starts paused; JS adds .neon-live to fire it from frame 0 */
#hero-scroll-zone .hero-title .neon-text {
  animation-play-state: paused;
}
#hero-scroll-zone .hero-inner.neon-live .hero-title .neon-text {
  animation-play-state: running;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--neon-light);
  text-transform: uppercase;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(16px);
  animation: fade-up 0.9s var(--ease-out) 0.4s forwards;
}

.hero-title {
  font-size: clamp(5.5rem, 16vw, 22rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.88;
  color: var(--cream);
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(24px);
  animation: fade-up 1.1s var(--ease-out) 0.6s forwards;
}

.hero-title em {
  display: block;
  font-style: italic;
  font-weight: 300;
}

.hero-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fade-up 0.9s var(--ease-out) 1.0s forwards;
}

.hero-sub {
  font-size: clamp(0.95rem, 1.8vw, 1.4rem);
  font-weight: 300;
  color: rgba(241, 236, 225, 0.65);
  line-height: 1.5;
  max-width: 440px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.hero-data-strip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--concrete);
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(241, 236, 225, 0.08);
  opacity: 0;
  animation: fade-up 0.9s var(--ease-out) 1.2s forwards;
}
.hero-data-strip .sep { color: var(--neon); opacity: 0.6; }
.hero-data-strip span.hi { color: rgba(241, 236, 225, 0.7); }

.scroll-hint {
  position: absolute;
  bottom: 44px;
  right: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 1;
  transition: opacity 0.4s ease;
}
.scroll-hint span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--concrete);
  writing-mode: vertical-rl;
}
.scroll-hint-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--concrete), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-hint-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--neon);
  animation: scroll-line 2.2s ease-in-out infinite 2s;
}
@keyframes scroll-line {
  0%   { top: -100%; opacity: 1; }
  100% { top: 100%;  opacity: 0; }
}

@keyframes fade-up {
  to { opacity: 1; transform: translateY(0); }
}

/* =====================================================
   TICKER / MARQUEE
   ===================================================== */

.ticker {
  background: var(--neon);
  overflow: hidden;
  padding: 12px 0;
  position: relative;
  z-index: 2;
}

.ticker-track {
  display: flex;
  gap: 0;
  white-space: nowrap;
  animation: ticker-scroll 28s linear infinite;
}

.ticker-item {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--cream);
  text-transform: uppercase;
  padding: 0 3rem;
  display: flex;
  align-items: center;
  gap: 3rem;
}
.ticker-item::after {
  content: '·';
  color: rgba(241, 236, 225, 0.5);
}

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =====================================================
   MANIFESTO
   ===================================================== */

#manifesto {
  padding: 140px 60px;
}

.manifesto-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--concrete);
  text-transform: uppercase;
  margin-bottom: 3rem;
}

.manifesto-quote {
  font-size: clamp(2.2rem, 5.5vw, 7.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.95;
  max-width: 1200px;
  margin-bottom: 5rem;
}
.manifesto-quote em { color: var(--neon); }

.manifesto-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 860px;
  margin-bottom: 4rem;
}
.manifesto-body p {
  font-size: 1rem;
  line-height: 1.75;
  font-weight: 300;
  color: var(--concrete);
}

.manifesto-en {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--concrete);
  border-left: 2px solid var(--neon);
  padding-left: 1.4rem;
  font-style: italic;
}

/* =====================================================
   STATS / KEY DATA
   ===================================================== */

#daten {
  padding: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: 70px 52px;
  border-right: 1px solid rgba(241, 236, 225, 0.08);
  border-top: 1px solid rgba(241, 236, 225, 0.08);
}
.stat:first-child { border-left: 1px solid rgba(241, 236, 225, 0.08); }

.stat-value {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 4.5vw, 5.5rem);
  font-weight: 300;
  color: var(--cream);
  line-height: 1;
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.stat-unit {
  font-size: clamp(1rem, 1.8vw, 1.8rem);
  color: var(--neon-light);
  font-weight: 300;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--concrete);
  margin-top: 1rem;
}

/* =====================================================
   PORTRAIT SECTIONS (photo placeholders)
   ===================================================== */

.section-portrait {
  height: 95vh;
  position: relative;
  overflow: hidden;
  background: var(--ink);
}

/* Parallax edge overlap: dark sections above and below appear to slide over the photo */
.section-portrait::before,
.section-portrait::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 28%;
  z-index: 4;
  pointer-events: none;
  will-change: transform;
}
.section-portrait::before {
  top: 0;
  background: linear-gradient(to bottom, var(--ink) 0%, transparent 100%);
  transform: translateY(var(--para-top, 0px));
}
.section-portrait::after {
  bottom: 0;
  background: linear-gradient(to top, var(--ink) 0%, transparent 100%);
  transform: translateY(var(--para-bot, 0px));
}

.portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.1s linear;
}

/* CSS placeholder shown when no real image exists */
.portrait-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-facade {
  background:
    radial-gradient(ellipse 80% 60% at 65% 50%, rgba(176, 38, 255, 0.06) 0%, transparent 70%),
    linear-gradient(175deg, #141210 0%, #0a0907 55%, #0f0c0a 100%);
}

.placeholder-drone {
  background:
    radial-gradient(ellipse 60% 60% at 50% 45%, rgba(176, 38, 255, 0.05) 0%, transparent 65%),
    linear-gradient(190deg, #0c0b09 0%, #0a0907 60%, #111008 100%);
}

.portrait-caption {
  position: absolute;
  bottom: 52px;
  left: 60px;
  z-index: 3;
}
.portrait-caption .eyebrow { color: var(--neon-light); margin-bottom: 8px; display: block; }
.portrait-title {
  font-size: clamp(2.5rem, 6vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--cream);
  line-height: 1;
  display: block;
  margin-bottom: 6px;
}
.portrait-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--concrete);
  display: block;
}

.portrait-tag {
  position: absolute;
  top: 40px;
  right: 60px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: rgba(241, 236, 225, 0.25);
  text-transform: uppercase;
  z-index: 3;
}

/* Dark gradient overlay on real portrait photos for text legibility */
.portrait-photo-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom,
      rgba(10,9,7,0.55) 0%,
      rgba(10,9,7,0.18) 40%,
      rgba(10,9,7,0.65) 100%);
  z-index: 1;
}

/* Geometric decoration — neon arch tracer */
.geo-curve {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

/* =====================================================
   CONCEPT: WORK + COMPUTE (split)
   ===================================================== */

#konzept {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 85vh;
}

.split-panel {
  padding: 100px 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.split-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

.split-dark .split-label  { color: var(--neon-light); }
.split-cream .split-label { color: var(--concrete); }

.split-panel h3 {
  font-size: clamp(2rem, 4vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.95;
  margin-bottom: 2.5rem;
}

.split-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.split-list li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  padding: 14px 0;
  border-bottom: 1px solid;
}
.split-dark  .split-list li { color: rgba(241,236,225,0.6); border-color: rgba(241,236,225,0.08); }
.split-cream .split-list li { color: var(--concrete);         border-color: rgba(10,9,7,0.12);    }
.split-list li:first-child { border-top: 1px solid; }
.split-dark  .split-list li:first-child { border-color: rgba(241,236,225,0.08); }
.split-cream .split-list li:first-child { border-color: rgba(10,9,7,0.12); }

.split-connector {
  position: absolute;
  top: 0; bottom: 0;
  right: 0;
  width: 1px;
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(176, 38, 255, 0.6) 30%,
    rgba(176, 38, 255, 0.6) 70%,
    transparent 100%);
  z-index: 1;
}

.split-connector-dot {
  position: absolute;
  top: 50%;
  right: -5px;
  width: 10px; height: 10px;
  background: var(--neon);
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 14px var(--neon), 0 0 28px rgba(176,38,255,0.5);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 14px var(--neon), 0 0 28px rgba(176,38,255,0.5); }
  50%       { box-shadow: 0 0 24px var(--neon), 0 0 60px rgba(176,38,255,0.7); }
}

/* =====================================================
   BUILDING STACK
   ===================================================== */

#stack {
  padding: 120px 60px;
}

.stack-header {
  margin-bottom: 64px;
}
.stack-header h2 { margin-top: 1rem; }

.stack-visual {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.stack-floor {
  display: grid;
  grid-template-columns: 90px 1fr 100px;
  align-items: center;
  gap: 28px;
  border-top: 1px solid rgba(10, 9, 7, 0.12);
  padding: 6px 0;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.stack-floor.visible { opacity: 1; transform: translateX(0); }

.stack-floor-level {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--concrete);
  text-transform: uppercase;
}

.stack-bar-wrap {
  height: 44px;
  background: rgba(10, 9, 7, 0.04);
  position: relative;
  overflow: hidden;
}

.stack-bar {
  height: 100%;
  background: var(--ink);
  width: 0;
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1) var(--delay, 0s);
  display: flex;
  align-items: center;
  padding-left: 16px;
  position: relative;
}

.stack-bar.compute { background: #1a0033; }
.stack-bar.flex    { background: rgba(10,9,7,0.35); }

.stack-bar-name {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: rgba(241,236,225,0.7);
  white-space: nowrap;
}
.stack-bar.flex .stack-bar-name { color: rgba(10,9,7,0.55); }

.stack-area-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--concrete);
  text-align: right;
}

.stack-total-row {
  border-top: 2px solid var(--ink);
  padding-top: 18px;
  margin-top: 4px;
  display: grid;
  grid-template-columns: 90px 1fr 100px;
  gap: 28px;
  align-items: center;
}
.stack-total-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--ink);
  text-transform: uppercase;
}
.stack-total-area {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  text-align: right;
}

/* =====================================================
   COMPUTE ZONE
   ===================================================== */

#compute-zone {
  padding: 120px 60px;
  position: relative;
  overflow: hidden;
}

.cyber-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,212,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,212,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.cyber-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 2rem;
}

#compute-zone h2 {
  font-size: clamp(2.8rem, 6.5vw, 9rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.92;
  margin-bottom: 5rem;
}

.compute-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(0,229,212,0.15);
  max-width: 1000px;
}

.spec-item {
  padding: 32px 28px;
  border-right: 1px solid rgba(0,229,212,0.1);
  background: rgba(0,229,212,0.02);
}
.spec-item:last-child { border-right: none; }

.spec-key {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(241,236,225,0.3);
  display: block;
  margin-bottom: 8px;
}
.spec-val {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--cyan);
  display: block;
}

.rack-visual {
  margin-top: 5rem;
  max-width: 900px;
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.rack-unit {
  flex: 1;
  height: 180px;
  background: #0e0a14;
  border: 1px solid rgba(176,38,255,0.2);
  position: relative;
  overflow: hidden;
  transition: border-color var(--t-fast);
}
.rack-unit:hover { border-color: rgba(176,38,255,0.6); }

.rack-unit-fill {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(176,38,255,0.35), rgba(176,38,255,0.05));
  animation: rack-fill 3s ease-in-out infinite;
}

@keyframes rack-fill {
  0%, 100% { height: 60%; opacity: 0.8; }
  50%       { height: 75%; opacity: 1;   }
}

.rack-unit:nth-child(2) .rack-unit-fill { animation-delay: 0.4s; }
.rack-unit:nth-child(3) .rack-unit-fill { animation-delay: 0.8s; }
.rack-unit:nth-child(4) .rack-unit-fill { animation-delay: 1.2s; }
.rack-unit:nth-child(5) .rack-unit-fill { animation-delay: 1.6s; }
.rack-unit:nth-child(6) .rack-unit-fill { animation-delay: 2.0s; }
.rack-unit:nth-child(7) .rack-unit-fill { animation-delay: 2.4s; }
.rack-unit:nth-child(8) .rack-unit-fill { animation-delay: 2.8s; }

.rack-label {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  color: rgba(176,38,255,0.5);
  white-space: nowrap;
  writing-mode: vertical-rl;
}

/* =====================================================
   PRODUCTS
   ===================================================== */

#produkte {
  padding: 120px 60px;
}

.products-header { margin-bottom: 64px; }
.products-header h2 { margin-top: 1rem; }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(10,9,7,0.1);
}

.product-card {
  background: var(--cream);
  padding: 60px 52px;
  position: relative;
  overflow: hidden;
  transition: background var(--t-fast), color var(--t-fast);
}

.product-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  pointer-events: none;
  transition: border-color var(--t-fast);
}
.product-card:hover::after { border-color: var(--neon); }
.product-card:hover { background: var(--ink); color: var(--cream); }

.product-card:hover .product-price-label { color: rgba(241,236,225,0.5); }
.product-card:hover .product-features li { color: rgba(241,236,225,0.55); border-color: rgba(241,236,225,0.08); }

.product-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--concrete);
  margin-bottom: 2.5rem;
  display: block;
  transition: color var(--t-fast);
}
.product-card:hover .product-num { color: var(--neon-light); }

.product-card h3 {
  font-size: clamp(1.6rem, 2.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.0;
  margin-bottom: 2rem;
}

.product-price-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--concrete);
  margin-bottom: 2.5rem;
  transition: color var(--t-fast);
}

.product-price-label strong {
  font-size: 2rem;
  font-weight: 300;
  color: var(--neon);
  letter-spacing: -0.02em;
  display: block;
  line-height: 1.1;
  margin-bottom: 2px;
}

.product-features {
  list-style: none;
}
.product-features li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--concrete);
  padding: 10px 0;
  border-bottom: 1px solid rgba(10,9,7,0.1);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.product-tag {
  position: absolute;
  top: 28px;
  right: 28px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  color: var(--neon-light);
  text-transform: uppercase;
  border: 1px solid rgba(176,38,255,0.2);
  padding: 4px 10px;
  opacity: 0;
  transition: opacity var(--t-fast);
}
.product-card:hover .product-tag { opacity: 1; }

/* =====================================================
   FÜR WEN (TENANT SEGMENTS)
   ===================================================== */

#fuer-wen {
  padding: 120px 60px;
}

.tenants-header { margin-bottom: 64px; }
.tenants-header h2 { margin-top: 1rem; }

.tenants-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-left: 1px solid rgba(241,236,225,0.08);
}

.tenant-card {
  padding: 56px 48px;
  border-right: 1px solid rgba(241,236,225,0.08);
  border-top: 1px solid rgba(241,236,225,0.08);
  border-bottom: 1px solid rgba(241,236,225,0.08);
}

.tenant-type {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--neon-light);
  text-transform: uppercase;
  padding-bottom: 1.8rem;
  margin-bottom: 1.8rem;
  border-bottom: 1px solid rgba(176,38,255,0.2);
  display: block;
}

.tenant-card p {
  font-size: 0.95rem;
  line-height: 1.75;
  font-weight: 300;
  color: rgba(241,236,225,0.6);
  margin-bottom: 2rem;
}

.tenant-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border: 1px solid rgba(176,38,255,0.22);
  color: rgba(176,38,255,0.7);
}

/* =====================================================
   STANDORT (LOCATION)
   ===================================================== */

#standort {
  padding: 120px 60px;
}

.standort-header { margin-bottom: 64px; }
.standort-header h2 { margin-top: 1rem; }

.standort-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.standort-map {
  aspect-ratio: 4/3;
  background: rgba(10,9,7,0.05);
  border: 1px solid rgba(10,9,7,0.12);
  position: relative;
  overflow: hidden;
}

.transport-list { display: flex; flex-direction: column; }

.transport-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid rgba(10,9,7,0.1);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}
.transport-row:first-child { border-top: 1px solid rgba(10,9,7,0.1); }
.transport-name { color: var(--ink); }
.transport-time {
  color: var(--neon);
  font-size: 0.72rem;
}

.standort-coords {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--concrete);
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(10,9,7,0.1);
}

.standort-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 2.5rem;
}
.fact-item {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--concrete);
  line-height: 1.6;
}
.fact-item strong {
  display: block;
  color: var(--ink);
  font-size: 0.82rem;
  margin-bottom: 2px;
}

/* =====================================================
   KONTAKT
   ===================================================== */

#kontakt {
  padding: 120px 60px;
}

.kontakt-header { margin-bottom: 80px; }
.kontakt-header h2 { margin-top: 1rem; }

.kontakt-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: start;
}

.kontakt-info p {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: rgba(241,236,225,0.55);
  line-height: 1.8;
  margin-bottom: 4px;
}

.kontakt-email {
  font-size: 1.05rem !important;
  color: var(--cream) !important;
  margin-bottom: 2.5rem !important;
  text-decoration: none;
  display: block;
}
.kontakt-email:hover { color: var(--neon-light) !important; }

.kontakt-pdf-note {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--concrete);
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(241,236,225,0.08);
}

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.form-field {
  background: rgba(241,236,225,0.04);
  border: 1px solid rgba(241,236,225,0.1);
  color: var(--cream);
  padding: 15px 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  outline: none;
  width: 100%;
  transition: border-color var(--t-fast), background var(--t-fast);
  appearance: none;
  -webkit-appearance: none;
}
.form-field::placeholder { color: rgba(241,236,225,0.28); }
.form-field:focus {
  border-color: rgba(176,38,255,0.6);
  background: rgba(176,38,255,0.04);
}

select.form-field option { background: var(--ink); }

textarea.form-field { resize: vertical; min-height: 110px; }

.form-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 6px;
}
.form-note {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--concrete);
}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 32px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--neon);
  color: var(--cream);
  border-color: var(--neon);
}
.btn-primary:hover {
  background: transparent;
  color: var(--neon);
  box-shadow: 0 0 24px rgba(176,38,255,0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border-color: rgba(241,236,225,0.28);
}
.btn-ghost:hover {
  border-color: var(--cream);
  background: rgba(241,236,225,0.05);
}

.btn-ghost-dark {
  background: transparent;
  color: var(--ink);
  border-color: rgba(10,9,7,0.28);
}
.btn-ghost-dark:hover {
  border-color: var(--ink);
  background: rgba(10,9,7,0.05);
}

.btn-outline-neon {
  background: transparent;
  color: var(--neon);
  border-color: var(--neon);
}
.btn-outline-neon:hover {
  background: rgba(176,38,255,0.08);
  box-shadow: 0 0 16px rgba(176,38,255,0.2);
}

.btn-disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

/* =====================================================
   FOOTER
   ===================================================== */

footer {
  background: var(--ink);
  padding: 52px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(241,236,225,0.07);
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cream);
}
.footer-logo em { color: var(--neon); }

.footer-links {
  display: flex;
  gap: 2.2rem;
}
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--concrete);
  text-decoration: none;
  transition: color var(--t-fast);
}
.footer-links a:hover { color: var(--cream); }

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--concrete);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .kontakt-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  #nav { padding: 18px 30px; }
  #nav.scrolled { padding: 12px 30px; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }

  #hero { padding: 0 0 60px; }
  .hero-inner { padding: 0 30px; }
  .scroll-hint { right: 30px; }

  #manifesto { padding: 90px 30px; }
  .manifesto-body { grid-template-columns: 1fr; }

  #konzept { grid-template-columns: 1fr; }
  .split-panel { padding: 70px 30px; }
  .split-connector { display: none; }

  #stack, #compute-zone, #produkte, #fuer-wen, #standort, #kontakt, #daten {
    padding-left: 30px; padding-right: 30px;
  }

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

  .products-grid { grid-template-columns: 1fr; }

  .tenants-grid { grid-template-columns: 1fr; }

  .standort-grid { grid-template-columns: 1fr; }

  .stack-floor { grid-template-columns: 70px 1fr 80px; gap: 14px; }

  .portrait-caption { left: 30px; bottom: 36px; }
  .portrait-tag { right: 30px; }

  footer { padding: 40px 30px; }
}

@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-left: 1px solid rgba(241,236,225,0.08); }
  .form-row { grid-template-columns: 1fr; }
  .standort-facts { grid-template-columns: 1fr; }
  .rack-visual { gap: 4px; }
  .rack-unit { height: 120px; }
  footer { flex-direction: column; align-items: flex-start; }
}

/* =====================================================
   SCROLL STRIP
   ===================================================== */

.scroll-strip {
  background: var(--ink);
  padding: 56px 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.strip-row {
  display: flex;
  gap: 14px;
  will-change: transform;
  width: max-content;
}

.strip-tile {
  flex: none;
  width: 240px;
  padding: 22px 26px;
  background: rgba(241,236,225,0.04);
  border: 1px solid rgba(241,236,225,0.08);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.3s;
}

.strip-tile:hover        { border-color: rgba(176,38,255,0.35); }
.strip-tile.strip-neon   { border-color: rgba(176,38,255,0.18); }

.strip-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--concrete);
  display: block;
}

.strip-value {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--cream);
  display: block;
  line-height: 1.2;
}

.strip-tile.strip-neon .strip-value { color: var(--neon-light); }

/* =====================================================
   STACKING PRODUCT CARDS
   ===================================================== */

.products-stack {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 60px;
}

.stack-slot {
  height: 80vh;
  position: relative;
}

.product-card-stack {
  position: sticky;
  background: var(--cream);
  padding: 60px 52px;
  border-radius: 28px;
  border: 1px solid rgba(10,9,7,0.08);
  box-shadow: 0 8px 48px rgba(10,9,7,0.07), 0 2px 10px rgba(10,9,7,0.04);
  overflow: hidden;
  will-change: transform;
  transform-origin: top center;
  transition: background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
}

.stack-slot:nth-child(1) .product-card-stack { top: 100px; z-index: 1; }
.stack-slot:nth-child(2) .product-card-stack { top: 116px; z-index: 2; }
.stack-slot:nth-child(3) .product-card-stack { top: 132px; z-index: 3; }

.product-card-stack::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  border-radius: 28px;
  pointer-events: none;
  transition: border-color var(--t-fast);
}
.product-card-stack:hover::after           { border-color: var(--neon); }
.product-card-stack:hover                  { background: var(--ink); color: var(--cream); }
.product-card-stack:hover .product-num     { color: var(--neon-light); }
.product-card-stack:hover .product-price-label { color: rgba(241,236,225,0.5); }
.product-card-stack:hover .product-features li { color: rgba(241,236,225,0.55); border-color: rgba(241,236,225,0.08); }
.product-card-stack:hover .product-tag     { opacity: 1; }

/* =====================================================
   CHARACTER TEXT REVEAL
   ===================================================== */

.char-span {
  display: inline;
  transition: opacity 0.12s ease;
}

/* =====================================================
   NEW ANIMATIONS — mobile overrides
   ===================================================== */

@media (max-width: 768px) {
  /* Hero: disable scroll-jacking on mobile */
  #hero-scroll-zone { height: auto; }
  #hero { position: relative; top: auto; }
  #hero-video { display: none; }
  .hero-inner { opacity: 1 !important; transition: none !important; }
  #hero-scroll-zone .hero-eyebrow { opacity: 0; transform: translateY(16px); animation: fade-up 0.9s var(--ease-out) 0.4s forwards; }
  #hero-scroll-zone .hero-title   { opacity: 0; transform: translateY(24px); animation: fade-up 1.1s var(--ease-out) 0.6s forwards; }
  #hero-scroll-zone .hero-bottom  { opacity: 0; animation: fade-up 0.9s var(--ease-out) 1.0s forwards; }
  #hero-scroll-zone .hero-data-strip { opacity: 0; animation: fade-up 0.9s var(--ease-out) 1.2s forwards; }
  #hero-scroll-zone .hero-title .neon-text { animation-play-state: running; }
  #scroll-hint { display: none; }

  .scroll-strip { padding: 36px 0; gap: 10px; }
  .strip-tile   { width: 190px; padding: 16px 18px; }
  .strip-value  { font-size: 1.05rem; }

  .stack-slot { height: auto; margin-bottom: 16px; }
  .product-card-stack {
    position: relative !important;
    top: auto !important;
    transform: none !important;
    border-radius: 20px;
    padding: 40px 28px;
    z-index: auto !important;
  }
  .products-stack { padding: 0 20px; }
}