/* =========================================================================
   365tec · Dark Futuristic AI · Master-Stylesheet
   Eingesetzt von: ki-potenzialanalyse, ki-beratung, microsoft-365-beratung,
   prozessautomatisierung, index.
   ========================================================================= */

/* ============================ TOKENS ============================ */
:root {
  /* — Base canvas — */
  --bg-void:        #030310;
  --bg-deep:        #050510;
  --bg-primary:     #07071a;
  --bg-secondary:   #0a0a20;
  --bg-surface:     #10102a;
  --bg-elevated:    #16163a;

  /* — Brand accents — */
  --cyan:           #06b6d4;
  --cyan-soft:      #67e8f9;
  --cyan-glow:      rgba(6, 182, 212, 0.55);
  --violet:         #8b5cf6;
  --violet-soft:    #c4b5fd;
  --violet-glow:    rgba(139, 92, 246, 0.55);
  --blue:           #3b82f6;
  --blue-soft:      #60a5fa;

  /* — Surfaces (glass) — */
  --glass-bg:       rgba(255, 255, 255, 0.03);
  --glass-bg-hover: rgba(255, 255, 255, 0.06);
  --glass-border:   rgba(255, 255, 255, 0.08);
  --glass-border-strong: rgba(255, 255, 255, 0.14);

  /* — Text — */
  --fg:             #ffffff;
  --fg-mute:        rgba(255, 255, 255, 0.72);
  --fg-soft:        rgba(255, 255, 255, 0.5);
  --fg-faint:       rgba(255, 255, 255, 0.32);

  /* — Gradients — */
  --grad-headline:  linear-gradient(135deg, #ffffff 0%, #c4b5fd 50%, #67e8f9 100%);
  --grad-cta:       linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  --grad-cta-hover: linear-gradient(135deg, var(--cyan-soft) 0%, var(--violet-soft) 100%);
  --grad-border:    linear-gradient(135deg, rgba(6,182,212,0.4) 0%, rgba(139,92,246,0.4) 100%);
  --grad-orb-cyan:  radial-gradient(circle at center, var(--cyan-glow) 0%, transparent 70%);
  --grad-orb-violet:radial-gradient(circle at center, var(--violet-glow) 0%, transparent 70%);

  /* — Shadows + Glows — */
  --glow-sm:        0 0 24px rgba(6, 182, 212, 0.18);
  --glow-md:        0 0 48px rgba(6, 182, 212, 0.24), 0 0 120px rgba(139, 92, 246, 0.12);
  --glow-lg:        0 0 96px rgba(6, 182, 212, 0.28), 0 0 200px rgba(139, 92, 246, 0.18);
  --glow-card:      0 24px 60px -20px rgba(6, 182, 212, 0.25);
  --shadow-card:    0 24px 60px -20px rgba(0, 0, 0, 0.6);
  --shadow-elev:    0 32px 80px -24px rgba(0, 0, 0, 0.8);

  /* — Typography — */
  --f-display:      'Source Serif 4', Georgia, 'Times New Roman', serif;
  --f-body:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --f-mono:         'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;

  --fs-hero:        clamp(2.75rem, 1.4rem + 6vw, 5.5rem);
  --fs-h1:          clamp(2.25rem, 1.3rem + 4.2vw, 3.75rem);
  --fs-h2:          clamp(1.875rem, 1.1rem + 3.2vw, 2.875rem);
  --fs-h3:          clamp(1.375rem, 1rem + 1.6vw, 1.875rem);
  --fs-h4:          clamp(1.125rem, 0.95rem + 0.78vw, 1.375rem);
  --fs-lead:        clamp(1.0625rem, 0.98rem + 0.45vw, 1.3125rem);
  --fs-body:        1.0625rem;
  --fs-small:       0.9375rem;
  --fs-micro:       0.8125rem;
  --fs-price:       clamp(3rem, 2rem + 4.4vw, 5rem);

  --lh-tight:       1.05;
  --lh-snug:        1.2;
  --lh-base:        1.55;
  --lh-loose:       1.7;
  --ls-tight:       -0.025em;
  --ls-tighter:     -0.04em;

  /* — Spacing — */
  --sp-1: 0.25rem; --sp-2: 0.5rem;  --sp-3: 0.75rem; --sp-4: 1rem;
  --sp-5: 1.5rem;  --sp-6: 2rem;    --sp-7: 3rem;    --sp-8: 4rem;
  --sp-9: 6rem;    --sp-10: 8rem;   --sp-11: 10rem;

  --section-py:    clamp(5rem, 2.5rem + 8vw, 8rem);
  --section-py-lg: clamp(6rem, 3rem + 10vw, 10rem);

  /* — Widths — */
  --w-wide:   1280px;
  --w-narrow: 1024px;
  --w-prose:  720px;

  /* — Radii — */
  --r-sm: 8px; --r-md: 14px; --r-lg: 20px; --r-xl: 28px; --r-full: 9999px;

  /* — Motion — */
  --ease-out:       cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out-expo:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:    cubic-bezier(0.65, 0, 0.35, 1);
  --dur-quick:      180ms;
  --dur-base:       360ms;
  --dur-slow:       640ms;

  /* — Layers — */
  --z-back:    -1;
  --z-base:    1;
  --z-rise:    10;
  --z-nav:     100;
  --z-modal:   1000;
  --z-cursor:  9999;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  /* clip statt hidden: verhindert horizontalen Overflow OHNE position:sticky
     (3D-Fahrt) zu brechen — hidden erzeugt einen Scroll-Container, clip nicht. */
  overflow-x: clip;
  max-width: 100%;
}

body {
  margin: 0;
  background: var(--bg-void);
  color: var(--fg);
  font-family: var(--f-body);
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

img, picture, svg, video { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; border-radius: 4px; }

::selection { background: var(--violet); color: var(--fg); }

/* ============================ TYPOGRAPHY ============================ */
.t-hero {
  font-family: var(--f-display);
  font-size: var(--fs-hero);
  font-weight: 500;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tighter);
}

.t-h1 { font-family: var(--f-display); font-size: var(--fs-h1); font-weight: 500; line-height: var(--lh-tight); letter-spacing: var(--ls-tight); }
.t-h2 { font-family: var(--f-display); font-size: var(--fs-h2); font-weight: 500; line-height: var(--lh-snug); letter-spacing: var(--ls-tight); }
.t-h3 { font-family: var(--f-body);    font-size: var(--fs-h3); font-weight: 600; line-height: var(--lh-snug); letter-spacing: -0.01em; }
.t-h4 { font-family: var(--f-body);    font-size: var(--fs-h4); font-weight: 600; line-height: var(--lh-snug); }

.t-lead    { font-size: var(--fs-lead);  line-height: var(--lh-base);  color: var(--fg-mute); }
.t-body    { font-size: var(--fs-body);  line-height: var(--lh-base);  color: var(--fg-mute); }
.t-small   { font-size: var(--fs-small); line-height: var(--lh-base);  color: var(--fg-soft); }
.t-micro   { font-size: var(--fs-micro); line-height: 1.4; color: var(--fg-soft); letter-spacing: 0.02em; }
.t-mono    { font-family: var(--f-mono); font-size: var(--fs-micro); letter-spacing: 0.04em; text-transform: uppercase; color: var(--fg-soft); }

.t-grad {
  background: var(--grad-headline);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.t-italic-display { font-family: var(--f-display); font-style: italic; font-weight: 400; color: var(--cyan-soft); }

/* ============================ LAYOUT ============================ */
.wrap        { max-width: var(--w-wide);   margin-inline: auto; padding-inline: clamp(1.25rem, 2vw, 2.5rem); }
.wrap-narrow { max-width: var(--w-narrow); margin-inline: auto; padding-inline: clamp(1.25rem, 2vw, 2.5rem); }
.wrap-prose  { max-width: var(--w-prose);  margin-inline: auto; padding-inline: clamp(1.25rem, 2vw, 2.5rem); }

section { padding-block: var(--section-py); position: relative; }
section.tight { padding-block: clamp(3rem, 1.5rem + 5vw, 5rem); }
section.lg    { padding-block: var(--section-py-lg); }

.section-eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--f-mono);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 1.25rem;
}
.section-eyebrow::before {
  content: ''; width: 32px; height: 1px;
  background: linear-gradient(to right, transparent, var(--cyan));
}

/* ============================ NAVBAR ============================ */
.navbar {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-nav);
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem clamp(1.25rem, 2vw, 2.5rem);
  background: linear-gradient(to bottom, rgba(3,3,16,0.85), rgba(3,3,16,0.3));
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--dur-base) var(--ease-out);
}
.navbar.scrolled { background: rgba(3,3,16,0.92); }
.navbar-brand { display: flex; align-items: center; gap: 0.75rem; font-family: var(--f-display); font-size: 1.25rem; font-weight: 500; }
.navbar-brand img { width: 28px; height: 28px; }
.navbar-nav { display: flex; gap: 2rem; align-items: center; }
.navbar-nav a {
  font-size: var(--fs-small); color: var(--fg-mute);
  transition: color var(--dur-quick) var(--ease-out);
}
.navbar-nav a:hover { color: var(--fg); }

@media (max-width: 860px) {
  .navbar-nav { display: none; }
  .navbar-burger { display: flex; }
  /* Offenes Mobile-Menü (JS toggelt .active auf #nav-links) */
  .navbar-nav.active {
    display: flex;
    position: fixed;
    top: 58px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.1rem;
    background: rgba(7, 7, 26, 0.98);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    padding: 1.5rem clamp(1.25rem, 4vw, 2.5rem) 2rem;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-elev);
    z-index: var(--z-nav);
    max-height: calc(100vh - 58px);
    overflow-y: auto;
  }
  .navbar-nav.active li { width: 100%; }
  .navbar-nav.active a { font-size: 1.05rem; padding: 0.25rem 0; }
  .navbar-nav.active .lang-switcher { margin-top: 0.5rem; }
  /* Burger → X wenn aktiv */
  .mobile-menu-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
  .mobile-menu-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .mobile-menu-btn span { transition: transform var(--dur-quick) var(--ease-out), opacity var(--dur-quick) var(--ease-out); }
}

/* ============================ BUTTONS ============================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.95rem 1.6rem;
  font-size: var(--fs-small); font-weight: 600;
  border-radius: var(--r-full);
  letter-spacing: -0.005em;
  transition: transform var(--dur-quick) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
  position: relative; overflow: hidden;
  will-change: transform;
}
.btn-primary {
  background: var(--grad-cta);
  color: white;
  box-shadow: var(--glow-md), inset 0 1px 0 rgba(255,255,255,0.18);
}
.btn-primary:hover {
  background: var(--grad-cta-hover);
  box-shadow: var(--glow-lg), inset 0 1px 0 rgba(255,255,255,0.24);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--glass-bg);
  color: var(--fg);
  border: 1px solid var(--glass-border-strong);
  backdrop-filter: blur(12px);
}
.btn-secondary:hover {
  background: var(--glass-bg-hover);
  border-color: var(--cyan);
  box-shadow: var(--glow-sm);
}
.btn-ghost {
  color: var(--fg-mute);
  padding: 0.6rem 1rem;
}
.btn-ghost:hover { color: var(--fg); }

.btn-arrow { transition: transform var(--dur-quick) var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* Magnetic button — JS adds .magnetic and animates via transform on hover */
.btn.magnetic { transform: translate3d(0,0,0); }

/* ============================ CARDS ============================ */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: 2rem;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  position: relative; overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}
.card::before {
  content: ''; position: absolute; inset: 0;
  border-radius: inherit; pointer-events: none;
  background: var(--grad-border); opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude; -webkit-mask-composite: xor;
  padding: 1px;
}
.card:hover { border-color: var(--glass-border-strong); transform: translateY(-2px); }
.card:hover::before { opacity: 1; }
.card-eyebrow { color: var(--cyan); font-family: var(--f-mono); font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 0.75rem; }
.card-title   { color: var(--fg); margin-bottom: 0.75rem; }
.card-body    { color: var(--fg-mute); }

/* Branchen-Card with Gemini image */
.branche-card {
  position: relative; overflow: hidden;
  aspect-ratio: 16 / 11;
  border-radius: var(--r-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.branche-card img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0.7;
  transition: opacity var(--dur-base) var(--ease-out), transform 800ms var(--ease-out);
  filter: saturate(0.85);
}
.branche-card::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(3,3,16,0.95) 100%);
}
.branche-card-content {
  position: absolute; inset: auto 0 0 0; padding: 1.5rem; z-index: 2;
}
.branche-card-name {
  font-family: var(--f-display); font-size: 1.5rem; font-weight: 500;
  letter-spacing: var(--ls-tight); line-height: 1.1;
  margin-bottom: 0.4rem;
}
.branche-card-tag {
  font-family: var(--f-mono); font-size: var(--fs-micro);
  color: var(--cyan); text-transform: uppercase; letter-spacing: 0.12em;
}
.branche-card:hover { transform: translateY(-4px); border-color: var(--cyan); }
.branche-card:hover img { opacity: 0.9; transform: scale(1.04); filter: saturate(1); }

/* ============================ PRICING ============================ */
.pricing-card {
  position: relative;
  background: linear-gradient(180deg, rgba(16,16,42,0.9), rgba(7,7,26,0.95));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--r-xl);
  padding: clamp(2rem, 1rem + 3vw, 3.5rem);
  box-shadow: var(--shadow-elev), var(--glow-md);
  overflow: hidden;
}
.pricing-card::before {
  content: ''; position: absolute; inset: -2px;
  background: var(--grad-border); border-radius: inherit; z-index: -1;
  filter: blur(8px); opacity: 0.5;
}
.pricing-card-orb {
  position: absolute; right: -100px; top: -100px; width: 300px; height: 300px;
  background: var(--grad-orb-violet); border-radius: 50%; filter: blur(40px);
  pointer-events: none; opacity: 0.6;
}
.pricing-price {
  font-family: var(--f-display);
  font-size: var(--fs-price);
  font-weight: 500;
  line-height: 1; letter-spacing: var(--ls-tighter);
  background: var(--grad-headline);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-flex; align-items: baseline; gap: 0.25rem;
}
.pricing-vat {
  font-size: var(--fs-small); color: var(--fg-soft); margin-top: 0.5rem;
}

/* ============================ HERO ============================ */
.hero {
  position: relative; isolation: isolate;
  padding-block: clamp(8rem, 5rem + 12vw, 14rem);
  min-height: 100vh;
  display: flex; align-items: center;
}
.hero-bg {
  position: absolute; inset: 0; z-index: var(--z-back);
  overflow: hidden;
  background: var(--bg-void);
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, var(--cyan-glow) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, var(--violet-glow) 0%, transparent 50%);
  opacity: 0.4; mix-blend-mode: screen;
}
.hero-bg-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 1; pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 0.85rem; margin-bottom: 1.5rem;
  background: var(--glass-bg); border: 1px solid var(--glass-border-strong);
  border-radius: var(--r-full);
  font-family: var(--f-mono); font-size: var(--fs-micro);
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--cyan);
  backdrop-filter: blur(12px);
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 12px var(--cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse { 50% { opacity: 0.4; } }

.hero-title { margin-bottom: 1.75rem; max-width: 18ch; }
.hero-sub   { max-width: 60ch; margin-bottom: 2rem; }
.hero-ctas  { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero-meta  { display: flex; gap: 2rem; flex-wrap: wrap; }
.hero-meta-item { display: flex; align-items: center; gap: 0.5rem; font-size: var(--fs-small); color: var(--fg-mute); }
.hero-meta-item::before { content: '✓'; color: var(--cyan); font-weight: 700; }

/* ============================ GLOBE-HERO ============================ */
.globe-hero {
  position: relative; isolation: isolate;
  min-height: 100vh; display: flex; align-items: center;
  padding-block: clamp(7rem, 5rem + 8vw, 10rem) 4rem;
  overflow: hidden;
  background: var(--bg-void);
}
.globe-hero-stage {
  position: absolute; inset: 0 -10% 0 auto;
  width: 72%; z-index: 0; pointer-events: none;
}
#globe-canvas { width: 100%; height: 100%; display: block; }
/* Scrim: links dunkel (Text lesbar), rechts frei für den Globus */
.globe-hero::before {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(100deg, var(--bg-void) 18%, rgba(3,3,16,0.82) 42%, rgba(3,3,16,0.35) 62%, transparent 80%),
    radial-gradient(ellipse at 0% 50%, rgba(3,3,16,0.9) 0%, transparent 55%);
}
.globe-hero-content { position: relative; z-index: 2; width: 100%; }
.globe-hero-text { max-width: 620px; }
.globe-hero-text .hero-badge { backdrop-filter: blur(8px); }
.globe-hero-text h1 { text-shadow: 0 2px 40px rgba(3,3,16,0.9); }
.globe-hero-text .t-lead { text-shadow: 0 1px 20px rgba(3,3,16,0.95); }

@media (max-width: 900px) {
  .globe-hero { padding-block: 8rem 4rem; text-align: left; }
  .globe-hero-stage { inset: 0; width: 100%; opacity: 0.55; }
  .globe-hero::before {
    background:
      linear-gradient(180deg, rgba(3,3,16,0.75) 0%, rgba(3,3,16,0.55) 50%, var(--bg-void) 92%);
  }
  .globe-hero-text { max-width: 100%; }
}

/* ============================ MARQUEE / TRUST-BAR ============================ */
.marquee {
  overflow: hidden;
  padding-block: 1.25rem;
  border-block: 1px solid var(--glass-border);
  background: var(--bg-deep);
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}
.marquee-track {
  display: flex; gap: 4rem; width: max-content;
  animation: marquee 40s linear infinite;
}
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee-item {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--f-mono); font-size: var(--fs-small);
  color: var(--fg-mute); white-space: nowrap;
}
.marquee-item::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 8px var(--cyan);
}

/* ============================ PROCESS / TIMELINE ============================ */
.process-step {
  position: relative;
  padding: 2rem 0 2rem 4rem;
  border-left: 1px solid var(--glass-border);
}
.process-step::before {
  content: ''; position: absolute; left: -7px; top: 2.4rem;
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--bg-void); border: 2px solid var(--cyan);
  box-shadow: 0 0 16px var(--cyan-glow);
}
.process-step.active::before { background: var(--cyan); }
.process-step-num {
  font-family: var(--f-mono); font-size: var(--fs-micro);
  color: var(--cyan); text-transform: uppercase; letter-spacing: 0.16em;
  margin-bottom: 0.5rem;
}
.process-step-title { margin-bottom: 0.75rem; }

/* ============================ FAQ ============================ */
.faq-item {
  border-bottom: 1px solid var(--glass-border);
  padding-block: 1.5rem;
}
.faq-q {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  width: 100%; padding: 0; cursor: pointer;
  font-family: var(--f-body); font-size: var(--fs-h4); font-weight: 600;
  color: var(--fg); text-align: left;
  transition: color var(--dur-quick) var(--ease-out);
}
.faq-q:hover { color: var(--cyan); }
.faq-q-icon {
  width: 28px; height: 28px; flex-shrink: 0;
  border: 1px solid var(--glass-border-strong); border-radius: 50%;
  display: grid; place-items: center;
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.faq-item[open] .faq-q-icon { transform: rotate(45deg); border-color: var(--cyan); }
.faq-a {
  padding-top: 1rem; max-width: 70ch; color: var(--fg-mute);
}

/* ============================ ABOUT ============================ */
.about-quote {
  font-family: var(--f-display); font-style: italic; font-weight: 400;
  font-size: clamp(1.5rem, 1rem + 1.6vw, 2.25rem);
  line-height: 1.4; max-width: 32ch;
  color: var(--fg);
}
.about-quote::before {
  content: '«'; font-size: 1.5em; color: var(--cyan); margin-right: 0.2em;
  vertical-align: -0.05em;
}
.about-signature {
  font-family: var(--f-display); font-size: 1.25rem; font-weight: 500;
  margin-top: 1.5rem; color: var(--fg);
}
.about-role { font-size: var(--fs-small); color: var(--fg-soft); margin-top: 0.25rem; }
.about-creds { list-style: none; padding: 0; margin-top: 2rem; }
.about-creds li {
  padding-left: 1.5rem; position: relative; color: var(--fg-mute);
  font-size: var(--fs-small); margin-bottom: 0.75rem;
}
.about-creds li::before {
  content: ''; position: absolute; left: 0; top: 0.55em;
  width: 12px; height: 1px; background: var(--cyan);
}

/* ============================ DECORATIVE ORBS / TEXTURES ============================ */
.orb {
  position: absolute; border-radius: 50%; pointer-events: none;
  filter: blur(80px); opacity: 0.5; z-index: var(--z-back);
}
.orb-cyan   { background: var(--grad-orb-cyan); }
.orb-violet { background: var(--grad-orb-violet); }

.deco-img {
  position: absolute; inset: 0; z-index: var(--z-back);
  object-fit: cover; width: 100%; height: 100%;
  opacity: 0.35; mix-blend-mode: screen;
  pointer-events: none;
}

/* ============================ REVEAL ANIMATIONS ============================ */
[data-reveal] {
  opacity: 0; transform: translateY(24px);
  transition: opacity 800ms var(--ease-out-expo), transform 800ms var(--ease-out-expo);
}
[data-reveal].revealed { opacity: 1; transform: translateY(0); }
[data-reveal="fade"]   { transform: none; }
[data-reveal="left"]   { transform: translateX(-32px); }
[data-reveal="left"].revealed { transform: none; }

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ============================ CUSTOM CURSOR ============================ */
.cursor-dot {
  position: fixed; top: 0; left: 0; pointer-events: none;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  z-index: var(--z-cursor);
  mix-blend-mode: difference;
  transition: width var(--dur-base) var(--ease-out), height var(--dur-base) var(--ease-out);
}
.cursor-ring {
  position: fixed; top: 0; left: 0; pointer-events: none;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--cyan);
  transform: translate(-50%, -50%);
  z-index: var(--z-cursor);
  transition: width var(--dur-base) var(--ease-out), height var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.cursor-ring.hovering { width: 64px; height: 64px; border-color: var(--violet); }
@media (hover: none), (pointer: coarse) { .cursor-dot, .cursor-ring { display: none; } }

/* ============================ FOOTER ============================ */
.footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--glass-border);
  padding-block: 4rem 2rem;
}
.footer-grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: 2fr repeat(3, 1fr);
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-col h4 {
  font-family: var(--f-mono); font-size: var(--fs-micro);
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--cyan); margin-bottom: 1rem;
}
.footer-col a {
  display: block; padding: 0.35rem 0;
  font-size: var(--fs-small); color: var(--fg-mute);
  transition: color var(--dur-quick) var(--ease-out);
}
.footer-col a:hover { color: var(--fg); }
.footer-bottom {
  margin-top: 3rem; padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-size: var(--fs-micro); color: var(--fg-soft);
}

/* ============================ UTILITIES ============================ */
.grid          { display: grid; gap: var(--sp-5); }
.grid-2        { grid-template-columns: 1fr 1fr; }
.grid-3        { grid-template-columns: repeat(3, 1fr); }
.grid-4        { grid-template-columns: repeat(4, 1fr); }
.grid-bento    { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
@media (max-width: 720px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.flex          { display: flex; }
.flex-center   { display: flex; align-items: center; justify-content: center; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.flex-col      { display: flex; flex-direction: column; }
.gap-2 { gap: 0.5rem; } .gap-3 { gap: 0.75rem; } .gap-4 { gap: 1rem; }
.gap-5 { gap: 1.5rem; } .gap-6 { gap: 2rem; }

.mt-4 { margin-top: 1rem; } .mt-6 { margin-top: 2rem; } .mt-8 { margin-top: 4rem; }
.mb-4 { margin-bottom: 1rem; } .mb-6 { margin-bottom: 2rem; } .mb-8 { margin-bottom: 4rem; }

.text-center { text-align: center; }
.relative    { position: relative; }
.overflow-hidden { overflow: hidden; }
.cv-auto     { content-visibility: auto; contain-intrinsic-size: 1px 800px; }

/* ============================ CHECKOUT MODAL ============================ */
.checkout-overlay {
  position: fixed; inset: 0; z-index: var(--z-modal);
  background: rgba(3, 3, 16, 0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  display: none; align-items: flex-start; justify-content: center;
  padding: clamp(1rem, 4vw, 3rem) 1rem;
  overflow-y: auto;
}
.checkout-overlay.active { display: flex; }
.checkout-modal {
  position: relative; width: min(720px, 100%);
  background: linear-gradient(180deg, rgba(16,16,42,0.98), rgba(7,7,26,0.98));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--r-xl);
  padding: clamp(2rem, 1rem + 3vw, 3rem);
  box-shadow: var(--shadow-elev), var(--glow-md);
  color: var(--fg);
}
.checkout-modal-close {
  position: absolute; top: 1rem; right: 1rem;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--glass-bg); border: 1px solid var(--glass-border-strong);
  font-size: 1.5rem; color: var(--fg); line-height: 1;
  display: grid; place-items: center;
  transition: background var(--dur-quick), border-color var(--dur-quick);
}
.checkout-modal-close:hover { background: var(--glass-bg-hover); border-color: var(--cyan); }
.checkout-modal h2 {
  font-family: var(--f-display); font-size: var(--fs-h3); font-weight: 500;
  margin-bottom: 0.25rem; padding-right: 3rem;
}
.checkout-modal-price {
  font-family: var(--f-mono); font-size: var(--fs-small);
  color: var(--cyan); margin-bottom: 1.5rem; letter-spacing: 0.04em;
}
.checkout-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
@media (max-width: 560px) { .checkout-row { grid-template-columns: 1fr; } }
.checkout-field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.checkout-field label {
  font-size: var(--fs-small); font-weight: 600; color: var(--fg-mute);
}
.checkout-field input,
.checkout-field select {
  padding: 0.75rem 0.9rem;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--r-md);
  color: var(--fg); font-family: inherit; font-size: var(--fs-body);
  transition: border-color var(--dur-quick), background var(--dur-quick);
}
.checkout-field input:focus,
.checkout-field select:focus {
  outline: none; border-color: var(--cyan); background: var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}
.checkout-field input::placeholder { color: var(--fg-faint); }
.checkout-field select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2306b6d4' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat; background-position: right 0.9rem center;
  background-size: 18px; padding-right: 2.5rem;
}
.checkout-field select:invalid { color: var(--fg-faint); }
.checkout-hint { font-weight: 400; font-size: var(--fs-micro); color: var(--fg-soft); }
.checkout-consent {
  display: flex; align-items: flex-start; gap: 0.75rem;
  font-size: var(--fs-small); line-height: 1.5;
  margin-top: 0.5rem; color: var(--fg-mute);
  cursor: pointer;
}
.checkout-consent input[type="checkbox"] {
  margin-top: 0.25rem; width: 18px; height: 18px;
  accent-color: var(--cyan);
}
.checkout-consent a { color: var(--cyan); text-decoration: underline; }
.checkout-submit-btn {
  width: 100%; margin-top: 1.5rem;
  padding: 1rem 1.5rem;
  font-size: var(--fs-body); font-weight: 600;
  background: var(--grad-cta); color: white;
  border-radius: var(--r-full); border: 0;
  cursor: pointer;
  box-shadow: var(--glow-md);
  transition: box-shadow var(--dur-base), transform var(--dur-quick);
}
.checkout-submit-btn:hover { box-shadow: var(--glow-lg); transform: translateY(-1px); }
.checkout-submit-btn:disabled { opacity: 0.7; cursor: wait; }
.checkout-error {
  display: none; margin-top: 1rem; padding: 0.75rem 1rem;
  background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--r-md); color: #fecaca; font-size: var(--fs-small);
}
.checkout-divider {
  margin: 2rem 0 1rem; text-align: center; color: var(--fg-soft);
  font-size: var(--fs-small); position: relative;
}
.checkout-divider::before, .checkout-divider::after {
  content: ''; position: absolute; top: 50%; width: 30%; height: 1px; background: var(--glass-border);
}
.checkout-divider::before { left: 0; }
.checkout-divider::after { right: 0; }
.checkout-note { text-align: center; color: var(--fg-soft); font-size: var(--fs-small); }
.checkout-note a { color: var(--cyan); }

/* Skip-nav, sr-only */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-nav:focus {
  position: fixed; top: 1rem; left: 1rem; width: auto; height: auto;
  padding: 0.5rem 1rem; background: var(--bg-surface); color: var(--fg);
  border: 1px solid var(--cyan); border-radius: var(--r-md); z-index: var(--z-cursor);
  clip: auto;
}

/* Lang-Switcher */
.lang-switcher { position: relative; }
.lang-dropdown {
  display: none; position: absolute; top: 100%; right: 0; min-width: 160px;
  background: var(--bg-surface); border: 1px solid var(--glass-border-strong);
  border-radius: var(--r-md); padding: 0.4rem 0; margin-top: 0.5rem;
  box-shadow: var(--shadow-card);
}
.lang-dropdown.active { display: block; }
.lang-dropdown button {
  display: block; width: 100%; padding: 0.5rem 1rem; text-align: left;
  background: none; border: 0; color: var(--fg-mute); font-size: var(--fs-small);
  cursor: pointer;
}
.lang-dropdown button:hover { background: var(--glass-bg-hover); color: var(--fg); }
.lang-dropdown button.active { color: var(--cyan); }

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 36px; height: 36px; padding: 8px;
  background: var(--glass-bg); border: 1px solid var(--glass-border-strong);
  border-radius: var(--r-sm); cursor: pointer;
}
.mobile-menu-btn span { display: block; height: 2px; background: var(--fg); width: 100%; }
@media (max-width: 860px) { .mobile-menu-btn { display: flex; } }

/* ============================ 3D-REISE (scene3d) ============================ */
.scene3d-track { position: relative; background: var(--bg-void); }
.scene3d-stage {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2.5rem; padding: 8rem 1.5rem 5rem; overflow: hidden;
}
#scene3d-canvas { display: none; }

/* Fallback (kein WebGL / reduced-motion): normale lesbare Blöcke */
.s3d-overlay { position: relative; z-index: 2; max-width: 640px; text-align: center; }
.scene3d-claim .hero-badge { margin-bottom: 1.25rem; }
.s3d-step .card-eyebrow { justify-content: center; display: flex; }
.s3d-cue, .s3d-progress { display: none !important; }

/* ── 3D-Modus aktiv ── */
html.scene3d-on .scene3d-track { height: 420vh; }
html.scene3d-on .scene3d-stage {
  position: sticky; top: 0; height: 100vh; min-height: 0;
  display: block; padding: 0;
}
html.scene3d-on #scene3d-canvas {
  display: block; position: absolute; inset: 0;
  width: 100%; height: 100%; z-index: 0;
}
html.scene3d-on .s3d-overlay {
  position: absolute; left: 50%; transform: translateX(-50%);
  width: min(680px, 92vw); opacity: 0; pointer-events: none;
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
html.scene3d-on .scene3d-claim {
  top: 14%; transform: translateX(-50%);
  width: min(660px, 92vw);
  max-height: 80vh; overflow: visible;
  padding: 1.5rem 2rem;
  /* dezenter Halo nur direkt hinter dem Text → Szene bleibt sichtbar */
  background: radial-gradient(ellipse 80% 70% at 50% 50%, rgba(4,4,16,0.66) 0%, rgba(4,4,16,0.28) 62%, rgba(4,4,16,0) 84%);
}
/* Hero-Headline im 3D-Claim kleiner halten → passt sicher unter die Navbar */
html.scene3d-on .scene3d-claim h1 { font-size: clamp(1.6rem, 1rem + 2.6vw, 2.9rem); text-shadow: 0 2px 24px rgba(0,0,0,0.95); }
html.scene3d-on .scene3d-claim .t-lead {
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.15rem);
  color: rgba(255,255,255,0.94);
  text-shadow: 0 2px 14px rgba(0,0,0,1), 0 1px 3px rgba(0,0,0,1);
}
html.scene3d-on .s3d-step {
  bottom: 9vh; top: auto; transform: translate(-50%, 24px);
  background: rgba(12, 12, 32, 0.72);
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: var(--r-lg);
  padding: 1.4rem 2rem 1.6rem;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-elev), var(--glow-md);
}
html.scene3d-on .scene3d-stage[data-scene="0"] .scene3d-claim,
html.scene3d-on .scene3d-stage[data-scene="1"] .s3d-step[data-stage="1"],
html.scene3d-on .scene3d-stage[data-scene="2"] .s3d-step[data-stage="2"],
html.scene3d-on .scene3d-stage[data-scene="3"] .s3d-step[data-stage="3"] {
  opacity: 1; pointer-events: auto;
}
html.scene3d-on .scene3d-stage[data-scene="0"] .scene3d-claim { transform: translateX(-50%); }
html.scene3d-on .scene3d-stage[data-scene="1"] .s3d-step[data-stage="1"],
html.scene3d-on .scene3d-stage[data-scene="2"] .s3d-step[data-stage="2"],
html.scene3d-on .scene3d-stage[data-scene="3"] .s3d-step[data-stage="3"] { transform: translate(-50%, 0); }

/* Progress-Dots */
html.scene3d-on .s3d-progress {
  display: flex; gap: 0.55rem; position: absolute; bottom: 2rem; left: 50%;
  transform: translateX(-50%); z-index: 3;
}
.s3d-progress .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--glass-border-strong); transition: all var(--dur-base) var(--ease-out);
}
html.scene3d-on .scene3d-stage[data-scene="0"] .s3d-progress .dot.op-0,
html.scene3d-on .scene3d-stage[data-scene="1"] .s3d-progress .dot.op-1,
html.scene3d-on .scene3d-stage[data-scene="2"] .s3d-progress .dot.op-2,
html.scene3d-on .scene3d-stage[data-scene="3"] .s3d-progress .dot.op-3 {
  background: var(--cyan); transform: scale(1.5); box-shadow: 0 0 12px var(--cyan);
}
/* Scroll-Cue nur in Szene 0 */
html.scene3d-on .s3d-cue {
  display: flex; position: absolute; bottom: 3.6rem; left: 50%;
  transform: translateX(-50%); color: var(--cyan); z-index: 3;
  flex-direction: column; align-items: center; gap: 0.4rem;
  font-family: var(--f-mono); font-size: var(--fs-micro); letter-spacing: 0.12em;
}
html.scene3d-on .s3d-cue svg { animation: cue-bounce 1.8s ease-in-out infinite; }
@keyframes cue-bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }
html.scene3d-on .scene3d-stage:not([data-scene="0"]) .s3d-cue { opacity: 0; }

/* ============================ REDUCED MOTION ============================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero-bg-canvas, .marquee-track { animation: none; }
  [data-reveal] { opacity: 1; transform: none; }
}