﻿/* ============================================================
   JOVAST – Hauptstylesheet · Design „Schaltplan" (V3)
   Farben unverändert:
   #1A2B3C Navy · #4A5568 Slate · #00D2FF Neon · #F7F8FA GrayBg
   #E2E8F0 GrayBorder · #9AABB8 GrayText · #243447 CardDark
   #2D4A6B BorderDark · #00D2FF / #00B8E0 Grün-Akzente
   ============================================================ */

/* === SCHRIFTEN (self-hosted) =============================== */
@font-face {
  font-family: 'Inter';
  font-style: normal; font-weight: 400 800; font-display: swap;
  src: url('../fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
                 U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF,
                 U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal; font-weight: 400 800; font-display: swap;
  src: url('../fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
                 U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
                 U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal; font-weight: 500; font-display: swap;
  src: url('../fonts/space-grotesk-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('../fonts/space-grotesk-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal; font-weight: 700; font-display: swap;
  src: url('../fonts/space-grotesk-700.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('../fonts/ibm-plex-mono-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal; font-weight: 500; font-display: swap;
  src: url('../fonts/ibm-plex-mono-500.woff2') format('woff2');
}

/* === VARIABLEN ============================================= */
:root {
  --navy:        #1A2B3C;
  --slate:       #4A5568;
  --neon:        #00D2FF;
  --white:       #FFFFFF;
  --gray-bg:     #F7F8FA;
  --gray-border: #E2E8F0;
  --gray-text:   #9AABB8;
  --card-dark:   #243447;
  --border-dark: #2D4A6B;
  --green-mid:   #00D2FF;
  --neon-hover:  #00B8E0;

  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --max-w:  1140px;
  --radius: 6px;
  --tr:     0.2s ease;
  --tr-slow: 0.55s cubic-bezier(0.22, 1, 0.36, 1);

  /* Blueprint-Raster */
  --grid-line: rgba(45, 74, 107, 0.28);
  --grid-size: 34px;
}

/* === RESET ================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--slate);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* === TYPOGRAFIE ============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.25rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; letter-spacing: -0.005em; }
p  { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* === MONO-EYEBROW / KLEMMEN-LABEL ========================== */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-mid);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.15);
  flex-shrink: 0;
}
.eyebrow__num { color: var(--gray-text); font-weight: 400; }
.eyebrow--light { color: var(--neon); }
.eyebrow--light .eyebrow__num { color: var(--gray-text); }

/* === BLUEPRINT-RASTER ====================================== */
.blueprint { position: relative; }
.blueprint::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 78%);
          mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 78%);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}
.blueprint > * { position: relative; z-index: 1; }

/* === SCROLL-REVEAL ========================================= */
/* Nur verstecken, wenn JS aktiv ist (html.js) — ohne JS bleibt alles sichtbar */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--tr-slow), transform var(--tr-slow);
  will-change: opacity, transform;
}
html.js [data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }

/* === LAYOUT ================================================ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section    { padding: 5.5rem 0; }
.section--sm { padding: 3rem 0; }

/* === HEADER ================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 70px;
  background: var(--navy);
  display: flex;
  align-items: center;
  transition: background var(--tr), box-shadow var(--tr);
}
.header::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon) 50%, transparent);
  opacity: 0.4;
}
.header.scrolled { background: var(--white); box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08); }
.header.scrolled::after { opacity: 0.15; }
.header__inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.header__logo { display: flex; align-items: center; gap: 0.75rem; }
.header__logo img { height: 44px; width: auto; max-width: 300px; border-radius: 0; flex-shrink: 0; transition: opacity var(--tr); }
.header__logo-text { display: flex; flex-direction: column; gap: 1px; }
.header__logo-name {
  font-family: 'Helvetica Neue', HelveticaNeue, Helvetica, Arial, sans-serif;
  color: var(--white);
  font-size: 1.05rem; font-weight: 700; letter-spacing: 0.1em; line-height: 1;
  transition: color var(--tr);
}
.header__logo-sub {
  font-family: var(--font-mono);
  color: var(--neon);
  font-size: 0.56rem; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; line-height: 1.2;
  transition: color var(--tr);
}
.header.scrolled .header__logo-name { color: var(--navy); }
.logo-light { display: none; }
.header.scrolled .logo-dark  { display: none; }
.header.scrolled .logo-light { display: block; }
.header.scrolled .header__logo-sub  { color: var(--green-mid); }

.header__nav { display: flex; align-items: center; gap: 2rem; }
.header__nav a {
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.78rem; font-weight: 400; letter-spacing: 0.03em;
  text-transform: uppercase;
  position: relative;
  transition: color var(--tr);
}
.header__nav a::after {
  content: '';
  position: absolute; bottom: -5px; left: 0;
  width: 0; height: 2px; background: var(--neon);
  transition: width var(--tr);
}
.header__nav a:hover { color: var(--white); }
.header__nav a:hover::after { width: 100%; }
.header.scrolled .header__nav a { color: var(--slate); }
.header.scrolled .header__nav a:hover { color: var(--navy); }
.header__nav .btn--primary,
.header.scrolled .header__nav .btn--primary { color: var(--navy); }

/* Burger */
.header__burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.header__burger span { display: block; width: 24px; height: 2px; background: var(--white); transition: all var(--tr); border-radius: 2px; }
.header.scrolled .header__burger span { background: var(--navy); }

/* Mobile Nav */
.mobile-nav {
  display: none; position: fixed; inset: 70px 0 0 0;
  background: var(--navy); z-index: 99;
  flex-direction: column; padding: 2rem 1.5rem; gap: 0;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem; letter-spacing: 0.03em; text-transform: uppercase;
  padding: 0.95rem 0; border-bottom: 1px solid var(--border-dark);
  transition: color var(--tr);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--neon); }

/* === BUTTONS =============================================== */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.72rem 1.4rem; border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.03em;
  cursor: pointer; transition: all var(--tr); border: none; line-height: 1;
  text-transform: uppercase;
}
.btn--primary { background: var(--neon); color: var(--navy); }
.btn--primary:hover { background: var(--neon-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 210, 255, 0.25); }
.btn--ghost { background: transparent; color: var(--white); border: 1.5px solid rgba(255, 255, 255, 0.35); }
.btn--ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.06); }
.btn--outline { background: transparent; color: var(--navy); border: 1.5px solid var(--navy); }
.btn--outline:hover { background: var(--navy); color: var(--white); }
.btn--outline-light { background: transparent; color: var(--white); border: 1.5px solid rgba(255, 255, 255, 0.5); }
.btn--outline-light:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }

/* === SECTION-HEADER ======================================== */
.section-header { margin-bottom: 2.75rem; }
.section-header h2 { margin-bottom: 0.5rem; }
.section-header p { color: var(--slate); max-width: 580px; margin: 0; }
.section-header--center { text-align: center; }
.section-header--center .eyebrow { justify-content: center; }
.section-header--center p { margin: 0 auto; }
.section-header--light h2 { color: var(--white); }
.section-header--light p  { color: var(--gray-text); }

/* === HERO ================================================== */
.hero { background: var(--navy); position: relative; overflow: hidden; padding: 7rem 0 6rem; }
.hero__grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 30% 30%, #000 20%, transparent 75%);
          mask-image: radial-gradient(ellipse 80% 90% at 30% 30%, #000 20%, transparent 75%);
  opacity: 0.55; pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; }
.hero__watermark {
  position: absolute; right: -8%; top: 50%; transform: translateY(-50%);
  width: 52%; max-width: 650px; opacity: 0.045;
  pointer-events: none; user-select: none; z-index: 1;
}

/* Leiterbahn-Grafik im Hero */
.hero__circuit {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 55%; max-width: 720px; z-index: 1;
  pointer-events: none; opacity: 0.9;
}
.hero__circuit .trace { fill: none; stroke: var(--border-dark); stroke-width: 1.5; }
.hero__circuit .trace-live {
  fill: none; stroke: var(--neon); stroke-width: 1.5; stroke-linecap: round;
  filter: drop-shadow(0 0 4px rgba(0, 210, 255, 0.6));
  stroke-dasharray: 60 460; stroke-dashoffset: 520;
  animation: current-flow 4s linear infinite;
}
.hero__circuit .node { fill: var(--navy); stroke: var(--border-dark); stroke-width: 1.5; }
.hero__circuit .node-live {
  fill: var(--neon); filter: drop-shadow(0 0 5px rgba(0, 210, 255, 0.7));
  animation: node-pulse 4s ease-in-out infinite;
}
@keyframes current-flow { to { stroke-dashoffset: 0; } }
@keyframes node-pulse { 0%, 100% { opacity: 0.35; } 50% { opacity: 1; } }

.hero__chip {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.38rem 0.95rem;
  border: 1px solid var(--neon); background: rgba(0, 210, 255, 0.07); border-radius: 100px;
  font-family: var(--font-mono);
  color: var(--neon); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.06em;
  text-transform: uppercase; margin-bottom: 1.5rem;
}
.hero__chip-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--neon); animation: pulse-dot 2.2s ease-in-out infinite; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.6); } }
.hero h1 { color: var(--white); max-width: 740px; margin-bottom: 1.25rem; }
.hero h1 .accent { color: var(--neon); }
.hero__sub { color: var(--gray-text); font-size: 1.06rem; line-height: 1.75; max-width: 540px; margin-bottom: 2rem; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero-Datenzeile (Klemmenleiste) */
.hero__stats {
  display: flex; flex-wrap: wrap; gap: 0; margin-top: 3rem;
  border: 1px solid var(--border-dark); border-radius: var(--radius);
  overflow: hidden; max-width: 640px;
}
.hero__stat { flex: 1; min-width: 140px; padding: 1.1rem 1.4rem; border-right: 1px solid var(--border-dark); }
.hero__stat:last-child { border-right: none; }
.hero__stat-num { font-family: var(--font-display); color: var(--white); font-size: 1.5rem; font-weight: 700; line-height: 1; margin-bottom: 0.35rem; }
.hero__stat-num .unit { color: var(--neon); font-size: 1rem; }
.hero__stat-label { font-family: var(--font-mono); color: var(--gray-text); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* PAGE-HERO (Unterseiten) */
.page-hero { background: var(--navy); padding: 3.75rem 0 2.75rem; position: relative; overflow: hidden; }
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  -webkit-mask-image: radial-gradient(ellipse 70% 120% at 85% 30%, #000 10%, transparent 70%);
          mask-image: radial-gradient(ellipse 70% 120% at 85% 30%, #000 10%, transparent 70%);
  opacity: 0.5; pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero__inner { position: relative; z-index: 2; }
.page-hero h1 { color: var(--white); margin-bottom: 0.75rem; font-size: clamp(1.9rem, 4vw, 2.8rem); }
.page-hero__sub { color: var(--gray-text); font-size: 1.02rem; max-width: 600px; margin: 0; }

/* Breadcrumb */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.04em; color: var(--gray-text);
  margin-bottom: 1rem; display: flex; align-items: center; gap: 0.4rem; text-transform: uppercase;
}
.breadcrumb a { transition: color var(--tr); }
.breadcrumb a:hover { color: var(--neon); }

/* === USP-STREIFEN ========================================== */
.usp-strip { background: var(--white); border-bottom: 1px solid var(--gray-border); }
.usp-strip__grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.usp-item { padding: 2.6rem 2rem; border-right: 1px solid var(--gray-border); position: relative; transition: background var(--tr); }
.usp-item:last-child { border-right: none; }
.usp-item:hover { background: var(--gray-bg); }
.usp-item__icon { width: 40px; height: 40px; color: var(--navy); margin-bottom: 1.1rem; }
.usp-item__num { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; color: var(--gray-text); position: absolute; top: 1.4rem; right: 1.6rem; }
.usp-item__title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; color: var(--navy); margin-bottom: 0.4rem; }
.usp-item__text { font-size: 0.875rem; color: var(--slate); line-height: 1.65; margin: 0; }

/* === SERVICE-KARTEN (dark) ================================= */
.services { background: var(--navy); position: relative; overflow: hidden; }
.services__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.service-card {
  background: var(--card-dark); border: 1px solid var(--border-dark); border-radius: var(--radius);
  padding: 1.85rem 1.6rem; display: flex; flex-direction: column; gap: 0.7rem; position: relative;
  transition: border-color var(--tr), box-shadow var(--tr), transform var(--tr);
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 14px; height: 14px;
  border-top: 2px solid transparent; border-left: 2px solid transparent;
  border-top-left-radius: var(--radius); transition: border-color var(--tr);
}
.service-card:hover { border-color: var(--neon); box-shadow: 0 6px 30px rgba(0, 210, 255, 0.08); transform: translateY(-3px); }
.service-card:hover::before { border-top-color: var(--neon); border-left-color: var(--neon); }
.service-card__icon { color: var(--neon); width: 36px; height: 36px; }
.service-card__title { font-family: var(--font-display); color: var(--white); font-size: 1.05rem; font-weight: 600; margin: 0; }
.service-card__text { color: var(--gray-text); font-size: 0.875rem; line-height: 1.6; flex: 1; margin: 0; }
.service-card__link {
  font-family: var(--font-mono); color: var(--neon); font-size: 0.76rem; font-weight: 500;
  letter-spacing: 0.03em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 0.35rem; margin-top: auto; transition: gap var(--tr);
}
.service-card__link:hover { gap: 0.65rem; }

/* === PROJEKTERFAHRUNG (kurzform startseite) =============== */
.experience { background: var(--gray-bg); }
.experience__intro { max-width: 620px; margin-bottom: 2rem; }
.experience__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.25rem; }
.exp-card {
  background: var(--white); border: 1px solid var(--gray-border); border-radius: var(--radius);
  padding: 1.6rem 1.3rem; text-align: center; transition: border-color var(--tr), transform var(--tr);
}
.exp-card:hover { border-color: var(--neon); transform: translateY(-2px); }
.exp-card__name { font-family: var(--font-display); font-size: 1rem; font-weight: 600; color: var(--navy); margin-bottom: 0.3rem; }
.exp-card__role { font-size: 0.8rem; color: var(--slate); margin: 0; }
.experience__disclaimer {
  font-size: 0.78rem; color: #94A3B8; font-style: italic;
  border-top: 1px solid var(--gray-border); padding-top: 1rem; line-height: 1.6;
}
.experience__cta { margin-top: 1.75rem; }

/* === SPLIT-SEKTION ========================================= */
.split { background: var(--navy); position: relative; overflow: hidden; }
.split__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border-dark); border-radius: var(--radius); overflow: hidden;
  position: relative; z-index: 1;
}
.split-col { padding: 3rem 2.5rem; }
.split-col:first-child { border-right: 1px solid var(--border-dark); }
.split-col:last-child { background: var(--card-dark); }
.split-col__label {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--neon); margin-bottom: 0.7rem;
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.split-col__label::before { content: ''; width: 6px; height: 6px; background: var(--neon); flex-shrink: 0; }
.split-col h3 { color: var(--white); font-size: 1.25rem; margin-bottom: 0.9rem; }
.split-col p { color: var(--gray-text); font-size: 0.925rem; margin-bottom: 1.5rem; }

/* === KONTAKT-TEASER ======================================== */
.contact-teaser { background: var(--white); text-align: center; }
.contact-teaser h2 { margin-bottom: 0.75rem; }
.contact-teaser > .container > p { color: var(--slate); max-width: 470px; margin: 0 auto 2rem; }
.contact-teaser__sub { margin-top: 1.75rem; display: flex; flex-direction: column; align-items: center; gap: 0.65rem; }
.contact-teaser__sub-label { font-family: var(--font-mono); font-size: 0.72rem; color: var(--gray-text); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.25rem; }
.contact-teaser__link { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.95rem; font-weight: 600; color: var(--navy); transition: color var(--tr); }
.contact-teaser__link svg { width: 16px; height: 16px; color: var(--slate); flex-shrink: 0; }
.contact-teaser__link:hover { color: var(--green-mid); }

/* === FAQ =================================================== */
.faq { background: var(--white); }
.faq--gray { background: var(--gray-bg); }
.faq__header { margin-bottom: 2rem; }
.faq-list { display: flex; flex-direction: column; gap: 0.4rem; }
details.faq-item {
  border-left: 3px solid var(--gray-border); border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--white); transition: border-color var(--tr), background var(--tr); overflow: hidden;
}
details.faq-item[open] { border-left-color: var(--neon); }
details.faq-item summary {
  padding: 1.15rem 1.3rem; font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  color: var(--navy); cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; user-select: none;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after {
  content: '+'; font-family: var(--font-mono); font-size: 1.25rem; font-weight: 400;
  color: var(--slate); flex-shrink: 0; margin-left: 1rem; line-height: 1; transition: transform var(--tr), color var(--tr);
}
details.faq-item[open] summary::after { content: '−'; color: var(--neon); }
.faq-answer { padding: 0 1.3rem 1.3rem; font-size: 0.9rem; color: var(--slate); line-height: 1.75; }

/* === FOOTER ================================================ */
.footer { background: var(--navy); padding: 3rem 0 2rem; position: relative; }
.footer__grid { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: start; margin-bottom: 2rem; }
.footer__logo-link { display: inline-flex; align-items: center; gap: 0.65rem; margin-bottom: 0.6rem; }
.footer__logo-link img { height: 40px; width: 40px; border-radius: 4px; flex-shrink: 0; }
.footer__logo-name { font-family: 'Helvetica Neue', HelveticaNeue, Helvetica, Arial, sans-serif; color: var(--white); font-size: 1rem; font-weight: 700; letter-spacing: 0.1em; line-height: 1; }
.footer__logo-sub { font-family: var(--font-mono); color: var(--neon); font-size: 0.54rem; font-weight: 500; letter-spacing: 0.13em; text-transform: uppercase; line-height: 1.4; display: block; margin-top: 2px; }
.footer__tagline { font-family: var(--font-mono); font-size: 0.75rem; color: var(--gray-text); margin: 0; letter-spacing: 0.03em; }
.footer__nav { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: flex-end; }
.footer__nav a { font-family: var(--font-mono); color: var(--gray-text); font-size: 0.78rem; letter-spacing: 0.03em; text-transform: uppercase; transition: color var(--tr); }
.footer__nav a:hover { color: var(--white); }
.footer__bottom { border-top: 1px solid var(--border-dark); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer__copy { font-family: var(--font-mono); font-size: 0.72rem; color: var(--gray-text); margin: 0; }
.footer__legal { display: flex; gap: 1.5rem; }
.footer__legal a { font-family: var(--font-mono); font-size: 0.72rem; color: var(--gray-text); text-transform: uppercase; transition: color var(--tr); }
.footer__legal a:hover { color: var(--white); }
.footer__neon-bar { height: 1px; background: linear-gradient(90deg, var(--neon) 0%, transparent 70%); opacity: 0.25; margin-bottom: 2rem; }

/* === ZWEI-SPALTEN-LAYOUT =================================== */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.two-col__text p { color: var(--slate); line-height: 1.8; }

/* === FEATURE-LISTE ========================================= */
.feature-list-box { background: var(--gray-bg); border: 1px solid var(--gray-border); border-radius: var(--radius); padding: 1.6rem 1.8rem; position: relative; }
.feature-list-box h3 { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--slate); margin-bottom: 1rem; font-weight: 500; }
.feature-list { display: flex; flex-direction: column; }
.feature-list li { display: flex; align-items: baseline; gap: 0.75rem; font-size: 0.875rem; color: var(--slate); padding: 0.6rem 0; border-bottom: 1px solid var(--gray-border); line-height: 1.5; }
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before { content: '›'; font-family: var(--font-mono); color: var(--neon); font-size: 0.95rem; flex-shrink: 0; }

/* === SZENARIO-KARTEN ======================================= */
.scenario-section { background: var(--gray-bg); }
.scenario-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.scenario-card {
  background: var(--white); border: 1px solid var(--gray-border); border-left: 3px solid var(--navy);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 1.3rem 1.5rem;
  font-size: 0.9rem; color: var(--slate); font-style: italic; line-height: 1.65;
  transition: border-left-color var(--tr), transform var(--tr);
}
.scenario-card:hover { border-left-color: var(--neon); transform: translateX(3px); }

/* === TECH-STECKBRIEF ======================================= */
.tech-spec-section { background: var(--navy); padding: 0 0 5.5rem; }
.tech-spec { border: 1px solid var(--border-dark); border-radius: var(--radius); overflow: hidden; }
.tech-spec-row { display: grid; grid-template-columns: 210px 1fr; border-bottom: 1px solid var(--border-dark); }
.tech-spec-row:last-child { border-bottom: none; }
.tech-spec-row__label { padding: 1rem 1.5rem; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gray-text); background: rgba(0, 0, 0, 0.15); display: flex; align-items: center; }
.tech-spec-row__value { padding: 1rem 1.5rem; font-size: 0.9rem; color: rgba(255, 255, 255, 0.85); display: flex; align-items: center; line-height: 1.5; }

/* === PROZESS-SCHRITTE ====================================== */
.process-section { background: var(--navy); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border-dark); border: 1px solid var(--border-dark); border-radius: var(--radius); overflow: hidden; }
.process-step { background: var(--navy); padding: 2.1rem 1.6rem; position: relative; transition: background var(--tr); }
.process-step:hover { background: var(--card-dark); }
.process-step__num { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 500; color: var(--neon); margin-bottom: 0.75rem; line-height: 1; }
.process-step__title { font-family: var(--font-display); color: var(--white); font-size: 0.98rem; font-weight: 600; margin-bottom: 0.5rem; }
.process-step__text { color: var(--gray-text); font-size: 0.85rem; line-height: 1.65; margin: 0; }

/* === CTA-SEKTION =========================================== */
.cta-section { background: var(--navy); text-align: center; padding: 5rem 0; position: relative; overflow: hidden; }
.cta-section__inner { position: relative; z-index: 2; }
.cta-section h2 { color: var(--white); margin-bottom: 0.75rem; }
.cta-section p { color: var(--gray-text); max-width: 450px; margin: 0 auto 2rem; }
.cta-section__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* === SUBPAGE-NAVIGATION ==================================== */
.subpage-nav { display: flex; justify-content: space-between; align-items: center; padding: 1.85rem 0; border-top: 1px solid var(--gray-border); margin-top: 1rem; flex-wrap: wrap; gap: 1rem; }
.subpage-nav a { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.03em; text-transform: uppercase; color: var(--navy); display: inline-flex; align-items: center; gap: 0.4rem; transition: color var(--tr), gap var(--tr); }
.subpage-nav a:hover { color: var(--green-mid); }

/* === ARBEITSWEISE ========================================== */
.workflow { background: var(--gray-bg); }

/* === REDUZIERTE BEWEGUNG =================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* === FOCUS-STATES ========================================== */
a:focus-visible, button:focus-visible, summary:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--neon); outline-offset: 3px; border-radius: 2px;
}

/* === RESPONSIVE ============================================ */
@media (max-width: 1024px) {
  .services__grid   { grid-template-columns: repeat(2, 1fr); }
  .experience__grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid     { grid-template-columns: repeat(2, 1fr); }
  .hero__circuit    { opacity: 0.4; }
}

@media (max-width: 768px) {
  .header__nav    { display: none; }
  .header__burger { display: flex; }

  .hero            { padding: 4.5rem 0 3.5rem; }
  .hero__watermark, .hero__circuit { display: none; }
  .hero__stats     { margin-top: 2.25rem; }

  .usp-strip__grid { grid-template-columns: 1fr; }
  .usp-item { border-right: none; border-bottom: 1px solid var(--gray-border); }
  .usp-item:last-child { border-bottom: none; }

  .services__grid   { grid-template-columns: 1fr; }
  .experience__grid { grid-template-columns: 1fr 1fr; }

  .split__grid { grid-template-columns: 1fr; }
  .split-col:first-child { border-right: none; border-bottom: 1px solid var(--border-dark); }

  .two-col       { grid-template-columns: 1fr; gap: 2rem; }
  .scenario-grid { grid-template-columns: 1fr; }
  .process-grid  { grid-template-columns: 1fr; }

  .tech-spec-row { grid-template-columns: 1fr; }
  .tech-spec-row__label { border-bottom: 1px solid var(--border-dark); }

  .footer__grid { grid-template-columns: 1fr; }
  .footer__nav  { justify-content: flex-start; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .experience__grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__stat { min-width: 100%; border-right: none; border-bottom: 1px solid var(--border-dark); }
  .hero__stat:last-child { border-bottom: none; }
  .cta-section__actions { flex-direction: column; align-items: center; }
}
