/* ==========================================================================
   Fachberatung-IT UG (haftungsbeschränkt) — style.css
   Design-System: Farben, Typografie, Komponenten
   Aufbau:
     01 Schriften
     02 Design-Tokens
     03 Reset & Basis
     04 Layout & Hilfsklassen
     05 Skip-Link
     06 Header & Navigation
     07 Buttons
     08 Sektionsköpfe & Eyebrow
     09 Hero & Systemdiagramm
     10 Vertrauensleiste
     11 Karten
     12 Problem/Nutzen
     13 Schritte
     14 Dunkle Sektionen
     15 Produkt (Apps)
     16 Merkmalslisten & Aussageblock
     17 CTA-Band
     18 Formular
     19 Breadcrumb
     20 Kontaktdaten
     21 Footer
     22 Sticky-CTA (mobil)
     23 Fließtextseiten (Recht)
     24 Fehlerseite
     25 Reveal-Animationen
     26 Reduzierte Bewegung & Druck
   ========================================================================== */

/* ==========================================================================
   01 Schriften
   Selbst gehostet — es wird keine Verbindung zu Drittservern aufgebaut.
   Die woff2-Dateien gehören nach /assets/fonts/.
   Fehlen sie, greift automatisch der System-Fallback aus --ff-sans.
   Beide Familien stehen unter SIL Open Font License 1.1.
   ========================================================================== */

@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/ibm-plex-sans-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/ibm-plex-sans-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/ibm-plex-sans-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================================
   02 Design-Tokens
   ========================================================================== */

  :root{
    --paper:#F3EEE1;
    --paper-2:#EAE2D0;
    --navy:#14263C;
    --navy-2:#1C3350;
    --blue:#2C64D6;
    --amber:#E6A23C;
    --line:#D8CFBB;
    --ink:#1A2A3D;
    --muted:#5C6674;
    --display:'Space Grotesk',system-ui,sans-serif;
    --body:'IBM Plex Sans',system-ui,sans-serif;
    --mono:'IBM Plex Mono',ui-monospace,monospace;
    --wrap:1140px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--body);
    color:var(--ink);
    background:var(--paper);
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;}
  img,svg{display:block;max-width:100%;}
  .wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px;}

  h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.1;letter-spacing:-.015em;margin:0;}
  .eyebrow{
    font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
    color:var(--blue);margin:0 0 14px;display:inline-flex;align-items:center;gap:10px;
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--blue);display:inline-block;}

  /* ---------- Header ---------- */
  .site-head{
    position:sticky;top:0;z-index:50;
    background:rgba(243,238,225,.9);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .site-head__inner{display:flex;align-items:center;gap:24px;height:70px;}
  .brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:18px;text-decoration:none;letter-spacing:-.01em;}
  .brand .dot{color:var(--amber);}
  .brand-mark{width:26px;height:26px;border-radius:7px;border:1.6px solid var(--navy);display:grid;place-items:center;flex:none;}
  .brand-mark svg{width:15px;height:15px;}
  .nav{display:flex;gap:22px;margin-left:auto;}
  .nav a{font-size:14px;text-decoration:none;color:var(--ink);opacity:.8;transition:opacity .15s;}
  .nav a:hover{opacity:1;}
  .btn{
    font-family:var(--body);font-size:14px;font-weight:500;text-decoration:none;
    padding:10px 18px;border-radius:8px;border:1.5px solid transparent;cursor:pointer;
    display:inline-flex;align-items:center;gap:8px;transition:transform .12s,background .15s;
  }
  .btn--primary{background:var(--navy);color:var(--paper);}
  .btn--primary:hover{background:var(--navy-2);transform:translateY(-1px);}
  .btn--ghost{border-color:var(--navy);color:var(--navy);}
  .btn--ghost:hover{background:var(--navy);color:var(--paper);}
  .btn--light{background:var(--amber);color:var(--navy);font-weight:600;}
  .btn--light:hover{transform:translateY(-1px);filter:brightness(1.04);}
  .head-cta{margin-left:4px;}


  /* ---------- Sections ---------- */
  section{scroll-margin-top:80px;}
  .band{padding:76px 0;}
  .band--dark{background:var(--navy);color:var(--paper);}
  .band--alt{background:var(--paper-2);}
  .band__head{max-width:720px;margin-bottom:44px;}
  .band--dark .eyebrow{color:var(--amber);}
  .band--dark .eyebrow::before{background:var(--amber);}
  .band h2{font-size:clamp(26px,3.2vw,38px);}
  .band__intro{font-size:17px;margin-top:16px;color:#3a4654;}
  .band--dark .band__intro{color:#c9d5e6;}

  /* Erfahrung */
  .exp__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:start;}
  .exp p{color:#cdd8e8;font-size:16px;margin:0 0 16px;}
  .exp p strong{color:#fff;font-weight:600;}
  .facts{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--amber);padding-left:22px;}
  .fact{padding:12px 0;}
  .fact__n{font-family:var(--display);font-size:30px;font-weight:600;color:var(--amber);line-height:1;}
  .fact__l{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#93a6c4;margin-top:8px;}

  /* Selbstverständnis */
  .self__grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;}
  .self p{font-size:16px;color:#33414f;margin:0 0 16px;}
  .self p strong{color:var(--navy);}
  .promises{list-style:none;margin:0;padding:0;}
  .promises li{position:relative;padding:14px 0 14px 30px;border-bottom:1px solid var(--line);font-size:15.5px;}
  .promises li:last-child{border-bottom:0;}
  .promises li::before{
    content:"";position:absolute;left:0;top:19px;width:12px;height:12px;border-radius:3px;
    background:var(--amber);
  }
  .promises li strong{color:var(--navy);}

  /* Leistungen */
  .services{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  .service{
    background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:24px 22px;
    transition:transform .14s,border-color .14s,box-shadow .14s;
  }
  .band--alt .service{background:#fff;}
  .service:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:0 16px 30px -20px rgba(20,38,60,.4);}
  .service__i{width:34px;height:34px;border-radius:9px;background:var(--navy);display:grid;place-items:center;margin-bottom:16px;}
  .service__i svg{width:18px;height:18px;stroke:var(--amber);}
  .service h3{font-size:16.5px;color:var(--navy);margin-bottom:8px;}
  .service p{font-size:13.5px;line-height:1.55;color:#48545f;margin:0;}

  /* Arbeitsweise */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .step{position:relative;padding-top:26px;border-top:2px solid var(--navy);}
  .step__n{font-family:var(--mono);font-size:13px;color:var(--blue);font-weight:500;letter-spacing:.1em;}
  .step h3{font-size:17px;color:var(--navy);margin:8px 0 10px;}
  .step p{font-size:14px;color:#48545f;margin:0;line-height:1.55;}

  /* Zielgruppen */
  .aud{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .aud-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 26px;}
  .band--alt .aud-card{background:var(--paper);}
  .aud-card .num{font-family:var(--mono);font-size:13px;color:var(--amber);font-weight:500;}
  .aud-card h3{font-size:19px;color:var(--navy);margin:10px 0 12px;}
  .aud-card p{font-size:14.5px;color:#48545f;margin:0;}

  /* CTA */
  .cta{background:var(--navy);color:var(--paper);border-radius:22px;padding:56px 48px;
    display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center;
    box-shadow:0 40px 70px -40px rgba(20,38,60,.6);}
  .cta h2{font-size:clamp(24px,2.8vw,34px);color:var(--paper);}
  .cta p{color:#c9d5e6;font-size:16px;margin:14px 0 0;max-width:34em;}
  .cta__box{font-family:var(--mono);font-size:14px;line-height:2;color:var(--paper);}
  .cta__box .k{color:#93a6c4;}
  .cta__box .btn{margin-top:14px;}

  /* Footer */
  .foot{background:var(--paper-2);border-top:1px solid var(--line);padding:56px 0 30px;}
  .foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;}
  .foot h4{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 14px;}
  .foot ul{list-style:none;margin:0;padding:0;}
  .foot li{margin-bottom:8px;}
  .foot a{font-size:14px;text-decoration:none;color:var(--ink);opacity:.82;}
  .foot a:hover{opacity:1;color:var(--blue);}
  .foot__brand p{font-size:14px;color:var(--muted);margin:14px 0 0;line-height:1.7;}
  .foot__bar{border-top:1px solid var(--line);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted);}
  .foot__bar a{text-decoration:none;color:var(--muted);}
  .foot__bar a:hover{color:var(--navy);}

  a:focus-visible,.btn:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px;}

  /* ---------- Responsive ---------- */
  @media (max-width:960px){
    .nav{display:none;}
    .hero__grid,.exp__grid,.self__grid,.cta{grid-template-columns:1fr;}
    .services{grid-template-columns:repeat(2,1fr);}
    .steps{grid-template-columns:repeat(2,1fr);}
    .aud{grid-template-columns:1fr;}
    .foot__grid{grid-template-columns:1fr 1fr;}
    .cta{padding:40px 28px;}
  }
  @media (max-width:560px){
    .services{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
    .foot__grid{grid-template-columns:1fr;}
    .hero__actions{flex-direction:column;align-items:flex-start;}
  }

:root {
  /* --- Farben: Text und Linien --- */
  --c-ink-900: #16202b;   /* Überschriften                      15,4:1 auf Weiß */
  --c-ink-700: #2e3a46;   /* Fließtext                          11,3:1 */
  --c-ink-500: #5a6875;   /* Sekundärtext, Labels                5,6:1 */
  --c-line: #dce3eb;      /* Rahmen, Trennlinien */
  --c-line-strong: #c3cedb;

  /* --- Farben: Flächen --- */
  --c-surface: #ffffff;
  --c-surface-2: #f5f7fa;
  --c-surface-3: #eaf0f6;

  /* --- Farben: Marke --- */
  --c-brand-300: #a8c2dc; /* Diagrammlinien, Dekor */
  --c-brand-500: #5e87b6; /* Logo-Blau — NIE für Fließtext (nur 3,3:1) */
  --c-brand-700: #2e5c8a; /* Links, Primärbutton, Fokusring      7,3:1 */
  --c-brand-800: #24496e;
  --c-brand-900: #1d3f63; /* dunkle Sektionen */

  /* --- Farben: Akzent (sparsam) --- */
  --c-accent-600: #a85f22; /*                                    5,0:1 */
  --c-accent-300: #d9a877;
  --c-accent-50: #f7efe7;

  /* --- Farben: Status --- */
  --c-ok-600: #2f7a4f;
  --c-ok-50: #eaf5ee;
  --c-err-600: #b3261e;
  --c-err-50: #fdecea;

  /* --- Farben auf dunklem Grund --- */
  --c-on-dark: #ffffff;
  --c-on-dark-soft: #c8d8e8;

  /* --- Schriftfamilien --- */
  --ff-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --ff-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo,
    Consolas, "Liberation Mono", monospace;

  /* --- Schriftgrößen --- */
  --fs-h1: clamp(2.1rem, 1.4rem + 2.6vw, 3.4rem);
  --fs-h2: clamp(1.65rem, 1.2rem + 1.6vw, 2.4rem);
  --fs-h3: 1.25rem;
  --fs-h4: 1.0625rem;
  --fs-lead: clamp(1.0625rem, 1rem + 0.35vw, 1.1875rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.9375rem;
  --fs-tiny: 0.8125rem;

  /* --- Zeilenhöhen --- */
  --lh-tight: 1.12;
  --lh-head: 1.2;
  --lh-snug: 1.35;
  --lh-body: 1.7;

  /* --- Abstandsskala (4px-Basis) --- */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-7: 2rem;
  --sp-8: 2.5rem;
  --sp-9: 3rem;
  --sp-10: 3.5rem;
  --sp-12: 4rem;
  --sp-14: 4.5rem;
  --sp-16: 6rem;

  /* --- Inhaltsbreiten --- */
  --w-page: 1200px;
  --w-narrow: 760px;
  --w-measure: 68ch;
  --gutter: var(--sp-5);

  /* --- Radien --- */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-pill: 999px;

  /* --- Schatten (flach halten) --- */
  --sh-1: 0 1px 2px rgba(22, 32, 43, 0.05), 0 1px 3px rgba(22, 32, 43, 0.04);
  --sh-2: 0 4px 12px rgba(22, 32, 43, 0.07), 0 2px 4px rgba(22, 32, 43, 0.04);

  /* --- Übergänge --- */
  --t-fast: 140ms cubic-bezier(0.2, 0.7, 0.3, 1);
  --t-base: 180ms cubic-bezier(0.2, 0.7, 0.3, 1);
  --t-slow: 420ms cubic-bezier(0.2, 0.7, 0.3, 1);

  /* --- Ebenen --- */
  --z-base: 1;
  --z-sticky: 50;
  --z-header: 100;
  --z-overlay: 200;
  --z-skip: 300;

  /* --- Kopfzeilenhöhen --- */
  --h-header: 72px;
  --h-header-compact: 60px;
}

@media (min-width: 768px) {
  :root {
    --gutter: var(--sp-7);
    --h-header: 88px;
    --h-header-compact: 64px;
  }
}

/* ==========================================================================
   03 Reset & Basis
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--h-header-compact) + var(--sp-5));
}

body {
  margin: 0;
  background-color: var(--c-surface);
  color: var(--c-ink-700);
  font-family: var(--ff-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-locked {
  overflow: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--sp-4);
  color: var(--c-ink-900);
  font-weight: 600;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
  letter-spacing: -0.022em;
}

h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-head);
  letter-spacing: -0.018em;
}

h3 {
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
}

h4 {
  font-size: var(--fs-h4);
  line-height: var(--lh-snug);
}

p {
  margin: 0 0 var(--sp-4);
  max-width: var(--w-measure);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--c-brand-700);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--t-fast);
}

a:hover {
  color: var(--c-brand-900);
}

ul,
ol {
  margin: 0 0 var(--sp-4);
  padding-left: var(--sp-6);
}

li {
  margin-bottom: var(--sp-2);
}

li:last-child {
  margin-bottom: 0;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

strong,
b {
  font-weight: 600;
  color: var(--c-ink-900);
}

hr {
  border: 0;
  border-top: 1px solid var(--c-line);
  margin: var(--sp-9) 0;
}

address {
  font-style: normal;
}

/* Sichtbarer Fokus — nie entfernen. */
:focus-visible {
  outline: 3px solid var(--c-brand-700);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.section--dark :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--c-on-dark);
}

/* Nur für Screenreader */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   04 Layout & Hilfsklassen
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--w-page);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--w-narrow);
}

.section {
  padding-block: var(--sp-12);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--sp-16);
  }
}

.section--tight {
  padding-block: var(--sp-9);
}

.section--alt {
  background-color: var(--c-surface-2);
}

.section--edged {
  border-top: 1px solid var(--c-line);
}

.grid {
  display: grid;
  gap: var(--sp-6);
}

@media (min-width: 700px) {
  .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.stack > * + * {
  margin-top: var(--sp-4);
}

.text-muted {
  color: var(--c-ink-500);
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.65;
  color: var(--c-ink-700);
}

.no-bullets {
  list-style: none;
  padding-left: 0;
}

/* Abstands-Hilfsklassen — ersetzen Inline-Styles */
.mt-7 {
  margin-top: var(--sp-7);
}

.mt-8 {
  margin-top: var(--sp-8);
}

.mt-9 {
  margin-top: var(--sp-9);
}

.mb-8 {
  margin-bottom: var(--sp-8);
}

.measure {
  max-width: var(--w-measure);
}

.mt-4 {
  margin-top: var(--sp-4);
}

/* Sprungmarken innerhalb einer Seite */
.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-3);
  margin-top: var(--sp-7);
}

.anchor-nav a {
  display: inline-block;
  padding: var(--sp-2) var(--sp-4);
  background-color: var(--c-surface);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-pill);
  color: var(--c-ink-700);
  font-size: var(--fs-tiny);
  font-weight: 500;
  text-decoration: none;
  transition: border-color var(--t-fast), color var(--t-fast),
    background-color var(--t-fast);
}

.anchor-nav a:hover {
  border-color: var(--c-brand-500);
  background-color: var(--c-surface-3);
  color: var(--c-ink-900);
}

/* ==========================================================================
   05 Skip-Link
   ========================================================================== */

.skip-link {
  position: absolute;
  top: var(--sp-2);
  left: var(--sp-2);
  z-index: var(--z-skip);
  padding: var(--sp-3) var(--sp-5);
  background-color: var(--c-brand-900);
  color: var(--c-on-dark);
  font-weight: 500;
  border-radius: var(--r-sm);
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform var(--t-base);
}

.skip-link:focus {
  transform: translateY(0);
  color: var(--c-on-dark);
}



/* ==========================================================================
   07 Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: var(--fs-small);
  font-weight: 500;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--t-fast), border-color var(--t-fast),
    color var(--t-fast), transform var(--t-fast);
}

.btn:active {
  transform: translateY(1px);
}

.btn__icon {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.btn--primary {
  background-color: var(--c-brand-700);
  border-color: var(--c-brand-700);
  color: var(--c-on-dark);
}

.btn--primary:hover {
  background-color: var(--c-brand-900);
  border-color: var(--c-brand-900);
  color: var(--c-on-dark);
}

.btn--secondary {
  background-color: var(--c-surface);
  border-color: var(--c-line-strong);
  color: var(--c-ink-900);
}

.btn--secondary:hover {
  border-color: var(--c-brand-500);
  background-color: var(--c-surface-2);
  color: var(--c-ink-900);
}

.btn--ghost {
  background: none;
  border-color: transparent;
  color: var(--c-brand-700);
  padding-inline: 0;
}

.btn--ghost:hover {
  color: var(--c-brand-900);
  text-decoration: underline;
}

.btn--block {
  width: 100%;
}

/* Buttons auf dunklem Grund */
.section--dark .btn--primary,
.cta-band .btn--primary {
  background-color: var(--c-surface);
  border-color: var(--c-surface);
  color: var(--c-brand-900);
}

.section--dark .btn--primary:hover,
.cta-band .btn--primary:hover {
  background-color: var(--c-surface-3);
  border-color: var(--c-surface-3);
  color: var(--c-brand-900);
}

.section--dark .btn--secondary,
.cta-band .btn--secondary {
  background: none;
  border-color: rgba(255, 255, 255, 0.42);
  color: var(--c-on-dark);
}

.section--dark .btn--secondary:hover,
.cta-band .btn--secondary:hover {
  border-color: var(--c-on-dark);
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--c-on-dark);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  align-items: center;
}

.btn-row--center {
  justify-content: center;
}

/* Kontakt-Button im Header nur ab Tablet sichtbar */
.header-cta {
  display: none;
}

@media (min-width: 1120px) {
  .header-cta {
    display: inline-flex;
  }
}

/* ==========================================================================
   08 Sektionsköpfe & Eyebrow
   ========================================================================== */

.eyebrow {
  display: block;
  margin-bottom: var(--sp-3);
  font-family: var(--ff-mono);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--c-accent-600);
}

.section--dark .eyebrow {
  color: var(--c-accent-300);
}

.section__head {
  max-width: var(--w-measure);
  margin-bottom: var(--sp-9);
}

.section__head--center {
  margin-inline: auto;
  text-align: center;
}

.section__head p {
  margin-bottom: 0;
}


/* --- Systemdiagramm (Inline-SVG) --- */

.sysmap {
  width: 100%;
  height: auto;
  overflow: visible;
}

.sysmap__panel {
  fill: var(--c-surface);
  stroke: var(--c-line);
  stroke-width: 1;
}

.sysmap__node {
  fill: var(--c-surface);
  stroke: var(--c-brand-300);
  stroke-width: 1.5;
}

.sysmap__node--core {
  fill: var(--c-brand-900);
  stroke: var(--c-brand-900);
}

.sysmap__label {
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  fill: var(--c-ink-700);
}

.sysmap__label--core {
  fill: var(--c-on-dark);
}

.sysmap__caption {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  fill: var(--c-ink-500);
}

.sysmap__link {
  fill: none;
  stroke: var(--c-brand-300);
  stroke-width: 1.5;
  stroke-dasharray: 5 7;
  animation: sysmap-flow 12s linear infinite;
}

.sysmap__dot {
  fill: var(--c-accent-600);
}

@keyframes sysmap-flow {
  to {
    stroke-dashoffset: -240;
  }
}

/* ==========================================================================
   10 Vertrauensleiste
   ========================================================================== */

.trustbar {
  display: grid;
  gap: var(--sp-5);
  padding-top: var(--sp-7);
  border-top: 1px solid var(--c-line);
  list-style: none;
  margin: 0;
  padding-left: 0;
}

@media (min-width: 600px) {
  .trustbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sp-6);
  }
}

.trustbar li {
  margin: 0;
}

.trustbar__item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
}

.trustbar__icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  margin-top: 3px;
  color: var(--c-brand-700);
}

.trustbar__title {
  display: block;
  font-weight: 600;
  color: var(--c-ink-900);
  font-size: var(--fs-small);
  line-height: 1.4;
}

.trustbar__text {
  display: block;
  font-size: var(--fs-small);
  color: var(--c-ink-500);
  line-height: 1.5;
}

/* ==========================================================================
   11 Karten
   ========================================================================== */

.cards {
  display: grid;
  gap: var(--sp-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.cards li {
  margin: 0;
}

@media (min-width: 700px) {
  .cards--2,
  .cards--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .cards--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--sp-6);
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: border-color var(--t-base), transform var(--t-base),
    box-shadow var(--t-base);
}

.card:hover {
  border-color: var(--c-brand-300);
  transform: translateY(-2px);
  box-shadow: var(--sh-2);
}

.section--alt .card {
  background-color: var(--c-surface);
}

.card__icon {
  width: 28px;
  height: 28px;
  margin-bottom: var(--sp-5);
  color: var(--c-brand-700);
  flex: 0 0 auto;
}

.card__title {
  margin-bottom: var(--sp-3);
  font-size: var(--fs-h3);
}

.card__text {
  margin-bottom: var(--sp-5);
  font-size: var(--fs-small);
  color: var(--c-ink-700);
  max-width: none;
}

.card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--sp-5);
  font-size: var(--fs-small);
  color: var(--c-ink-500);
}

.card__list li {
  position: relative;
  padding-left: var(--sp-5);
  margin-bottom: var(--sp-2);
  line-height: 1.5;
}

.card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 1px;
  background-color: var(--c-accent-600);
}

.card__foot {
  margin-top: auto;
  padding-top: var(--sp-2);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-small);
  font-weight: 500;
  text-decoration: none;
}

.card__link:hover {
  text-decoration: underline;
}

.card__link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--t-fast);
}

.card__link:hover svg {
  transform: translateX(3px);
}

/* ==========================================================================
   12 Problem/Nutzen
   ========================================================================== */

.pairs {
  display: grid;
  gap: var(--sp-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.pairs li {
  margin: 0;
}

@media (min-width: 800px) {
  .pairs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-6);
  }
}

.pair {
  display: grid;
  gap: 0;
  height: 100%;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  background-color: var(--c-surface);
}

.pair__problem,
.pair__solution {
  padding: var(--sp-5) var(--sp-6);
}

.pair__problem {
  background-color: var(--c-surface-2);
  border-bottom: 1px solid var(--c-line);
}

.pair__tag {
  display: block;
  margin-bottom: var(--sp-2);
  font-family: var(--ff-mono);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-ink-500);
}

.pair__solution .pair__tag {
  color: var(--c-accent-600);
}

.pair__text {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.6;
  max-width: none;
}

.pair__problem .pair__text {
  color: var(--c-ink-700);
}

.pair__solution .pair__text {
  color: var(--c-ink-900);
  font-weight: 500;
}

/* ==========================================================================
   13 Schritte
   ========================================================================== */

.steps {
  position: relative;
  display: grid;
  gap: var(--sp-6);
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
}

.steps li {
  margin: 0;
}

@media (min-width: 700px) {
  .steps--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .steps--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .steps--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.step {
  position: relative;
  height: 100%;
  padding-top: var(--sp-6);
  border-top: 2px solid var(--c-line);
}

.section--dark .step {
  border-top-color: rgba(255, 255, 255, 0.24);
}

.step__num {
  display: block;
  margin-bottom: var(--sp-3);
  font-family: var(--ff-mono);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--c-accent-600);
}

.section--dark .step__num {
  color: var(--c-accent-300);
}

.step__title {
  margin-bottom: var(--sp-3);
  font-size: var(--fs-h4);
}

.section--dark .step__title {
  color: var(--c-on-dark);
}

.step__text {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--c-ink-500);
  line-height: 1.6;
  max-width: none;
}

.section--dark .step__text {
  color: var(--c-on-dark-soft);
}

/* ==========================================================================
   14 Dunkle Sektionen
   ========================================================================== */

.section--dark {
  position: relative;
  background-color: var(--c-brand-900);
  color: var(--c-on-dark-soft);
  overflow: hidden;
}

.section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.section--dark > .container {
  position: relative;
  z-index: var(--z-base);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark strong {
  color: var(--c-on-dark);
}

.section--dark p {
  color: var(--c-on-dark-soft);
}

.section--dark a:not(.btn) {
  color: var(--c-on-dark);
}

/* ==========================================================================
   15 Produkt (Apps)
   ========================================================================== */

.product {
  display: grid;
  gap: var(--sp-8);
  align-items: start;
}

@media (min-width: 900px) {
  .product {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: var(--sp-10);
  }
}

.product__media {
  padding: var(--sp-4);
  background-color: var(--c-surface-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
}

.product__media img {
  border-radius: var(--r-sm);
  width: 100%;
}

.product__status {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
  padding: var(--sp-1) var(--sp-4);
  background-color: var(--c-accent-50);
  border: 1px solid var(--c-accent-300);
  border-radius: var(--r-pill);
  font-family: var(--ff-mono);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--c-accent-600);
}

.product__meta {
  margin: var(--sp-7) 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.product__meta div {
  display: grid;
  gap: var(--sp-1);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--c-line);
  font-size: var(--fs-small);
}

@media (min-width: 560px) {
  .product__meta div {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: var(--sp-5);
    align-items: baseline;
  }
}

.product__meta dt {
  font-family: var(--ff-mono);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-ink-500);
}

.product__meta dd {
  margin: 0;
  color: var(--c-ink-900);
}

/* ==========================================================================
   16 Merkmalslisten & Aussageblock
   ========================================================================== */

.featurelist {
  display: grid;
  gap: var(--sp-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 700px) {
  .featurelist--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-5);
  }
}

.featurelist li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.6;
}

.featurelist__icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  margin-top: 4px;
  color: var(--c-brand-700);
}

.section--dark .featurelist__icon {
  color: var(--c-brand-300);
}

.statement {
  padding: var(--sp-7);
  background-color: var(--c-surface-2);
  border-left: 3px solid var(--c-accent-600);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.statement p {
  font-size: var(--fs-lead);
  line-height: 1.6;
  color: var(--c-ink-900);
  max-width: none;
}

/* ==========================================================================
   17 CTA-Band
   ========================================================================== */

.cta-band {
  position: relative;
  background-color: var(--c-brand-900);
  color: var(--c-on-dark-soft);
  padding-block: var(--sp-12);
  overflow: hidden;
}

@media (min-width: 768px) {
  .cta-band {
    padding-block: var(--sp-14);
  }
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.cta-band > .container {
  position: relative;
  z-index: var(--z-base);
}

.cta-band h2,
.cta-band strong {
  color: var(--c-on-dark);
}

.cta-band p {
  color: var(--c-on-dark-soft);
}

.cta-band__grid {
  display: grid;
  gap: var(--sp-8);
  align-items: start;
}

@media (min-width: 900px) {
  .cta-band__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: var(--sp-10);
  }
}

.cta-band__hints {
  list-style: none;
  margin: 0;
  padding: var(--sp-6);
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--r-md);
}

.cta-band__hints li {
  position: relative;
  padding-left: var(--sp-6);
  margin-bottom: var(--sp-3);
  font-size: var(--fs-small);
  line-height: 1.55;
  color: var(--c-on-dark-soft);
}

.cta-band__hints li:last-child {
  margin-bottom: 0;
}

.cta-band__hints li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 1px;
  background-color: var(--c-accent-300);
}

/* ==========================================================================
   18 Formular
   ========================================================================== */

.form {
  max-width: 640px;
}

.form__row {
  display: grid;
  gap: var(--sp-5);
  margin-bottom: var(--sp-5);
}

@media (min-width: 620px) {
  .form__row--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.field {
  display: block;
}

.field__label {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--c-ink-900);
}

.field__optional {
  font-weight: 400;
  color: var(--c-ink-500);
}

.field__control {
  display: block;
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  min-height: 46px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  color: var(--c-ink-900);
  font-family: inherit;
  font-size: var(--fs-body);
  line-height: 1.5;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.field__control::placeholder {
  color: #8b97a3;
}

.field__control:hover {
  border-color: var(--c-brand-500);
}

.field__control:focus {
  border-color: var(--c-brand-700);
  box-shadow: 0 0 0 3px rgba(46, 92, 138, 0.16);
  outline: none;
}

.field__control:focus-visible {
  outline: 3px solid var(--c-brand-700);
  outline-offset: 1px;
}

textarea.field__control {
  min-height: 160px;
  resize: vertical;
}

select.field__control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%235a6875' stroke-width='1.6'%3E%3Cpath d='M4 6.5 8 10.5 12 6.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-4) center;
  background-size: 16px 16px;
  padding-right: var(--sp-9);
}

.field__hint {
  display: block;
  margin-top: var(--sp-2);
  font-size: var(--fs-tiny);
  color: var(--c-ink-500);
  line-height: 1.5;
}

.field__error {
  display: block;
  margin-top: var(--sp-2);
  font-size: var(--fs-tiny);
  font-weight: 500;
  color: var(--c-err-600);
  line-height: 1.5;
}

.field__control[aria-invalid="true"] {
  border-color: var(--c-err-600);
}

.field__control[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 3px rgba(179, 38, 30, 0.16);
}

/* Kontrollkästchen — niemals vorangekreuzt ausliefern */
.checkbox {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: var(--sp-3);
  align-items: start;
  margin-bottom: var(--sp-6);
  font-size: var(--fs-small);
  line-height: 1.55;
  cursor: pointer;
}

.checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--c-brand-700);
  cursor: pointer;
}

.checkbox__text {
  color: var(--c-ink-700);
}

/* Honigtopf — für Menschen unsichtbar, kein display:none (Bots lesen das aus) */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Rückmeldungen */
.form__message {
  padding: var(--sp-5) var(--sp-6);
  margin-bottom: var(--sp-7);
  border: 1px solid;
  border-radius: var(--r-md);
  font-size: var(--fs-small);
  line-height: 1.6;
}

.form__message p {
  max-width: none;
}

.form__message--ok {
  background-color: var(--c-ok-50);
  border-color: var(--c-ok-600);
  color: #1e5334;
}

.form__message--error {
  background-color: var(--c-err-50);
  border-color: var(--c-err-600);
  color: #8a1c16;
}

.form__message h2,
.form__message h3 {
  margin-bottom: var(--sp-2);
  font-size: var(--fs-h4);
  color: inherit;
}

.form__message ul {
  margin: var(--sp-3) 0 0;
  padding-left: var(--sp-5);
}

/* ==========================================================================
   18b Referenzen: Schlagworte, Abbildungen, Teilprojekte
   ========================================================================== */

/* --- Schlagworte (Branchen, Projektarten) --- */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  list-style: none;
  margin: 0 0 var(--sp-5);
  padding: 0;
}

.tags li {
  margin: 0;
}

.tag {
  display: inline-block;
  padding: 3px var(--sp-3);
  background-color: var(--c-surface-3);
  border-radius: var(--r-pill);
  font-family: var(--ff-mono);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--c-brand-700);
}

.section--dark .tag,
.page-head--dark .tag {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--c-on-dark);
}

.tag--accent {
  background-color: var(--c-accent-50);
  color: var(--c-accent-600);
}

/* --- Abbildungen --- */

.figure {
  margin: var(--sp-7) 0 0;
  padding: var(--sp-3);
  background-color: var(--c-surface-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
}

.figure img {
  width: 100%;
  height: auto;
  border-radius: var(--r-sm);
  background-color: var(--c-surface);
}

.figure figcaption {
  margin-top: var(--sp-3);
  padding: 0 var(--sp-2);
  font-size: var(--fs-tiny);
  color: var(--c-ink-500);
  line-height: 1.5;
}

/* Mehrere schmale Aufnahmen nebeneinander (z. B. App-Ansichten) */
.figure--row {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  align-items: start;
}

.figure--row figcaption {
  grid-column: 1 / -1;
  margin-top: 0;
}

/* --- Teilprojekt innerhalb einer Referenz --- */

.subproject {
  padding-top: var(--sp-8);
  margin-top: var(--sp-8);
  border-top: 1px solid var(--c-line);
}

.subproject:first-of-type {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.subproject__head {
  margin-bottom: var(--sp-6);
}

.subproject__kind {
  display: block;
  margin-bottom: var(--sp-2);
  font-family: var(--ff-mono);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent-600);
}

.subproject__title {
  margin-bottom: var(--sp-3);
  font-size: 1.375rem;
}

.subproject__teaser {
  font-size: var(--fs-lead);
  line-height: 1.6;
  color: var(--c-ink-700);
  margin-bottom: 0;
}

.subproject__grid {
  display: grid;
  gap: var(--sp-6);
}

@media (min-width: 860px) {
  .subproject__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--sp-8);
  }
}

.colhead {
  margin-bottom: var(--sp-4);
  font-family: var(--ff-mono);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-ink-500);
}

/* Kompakte Aufzählung für Funktionslisten */
.ticklist {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--fs-small);
}

.ticklist li {
  position: relative;
  padding-left: var(--sp-5);
  margin-bottom: var(--sp-2);
  line-height: 1.55;
  color: var(--c-ink-700);
}

.ticklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 1px;
  background-color: var(--c-brand-500);
}

.ticklist--accent li::before {
  background-color: var(--c-accent-600);
}

/* --- Kopfbereich einer Referenz --- */

.page-head--dark {
  background-color: var(--c-brand-900);
  border-bottom: 0;
  color: var(--c-on-dark-soft);
}

.page-head--dark h1,
.page-head--dark strong {
  color: var(--c-on-dark);
}

.page-head--dark p {
  color: var(--c-on-dark-soft);
}

.page-head--dark .eyebrow {
  color: var(--c-accent-300);
}

.page-head--dark a:not(.btn) {
  color: var(--c-on-dark);
}

/* --- Referenzkarte in der Übersicht --- */

.refcard {
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--t-base), transform var(--t-base),
    box-shadow var(--t-base);
}

.refcard:hover {
  border-color: var(--c-brand-300);
  transform: translateY(-2px);
  box-shadow: var(--sh-2);
}

.refcard__media {
  aspect-ratio: 16 / 9;
  background-color: var(--c-surface-3);
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}

.refcard__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.refcard__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--sp-6);
}

.refcard__branche {
  display: block;
  margin-bottom: var(--sp-3);
  font-family: var(--ff-mono);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-accent-600);
}

.refcard__title {
  margin-bottom: var(--sp-3);
  font-size: var(--fs-h3);
}

.refcard__text {
  margin-bottom: var(--sp-5);
  font-size: var(--fs-small);
  color: var(--c-ink-700);
  max-width: none;
}

.refcard__scope {
  margin: 0 0 var(--sp-5);
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.refcard__scope li {
  margin: 0;
  font-size: var(--fs-tiny);
  color: var(--c-ink-500);
}

.refcard__scope li:not(:last-child)::after {
  content: " ·";
  color: var(--c-line-strong);
}

.refcard__foot {
  margin-top: auto;
}

/* ==========================================================================
   19 Breadcrumb
   ========================================================================== */

.breadcrumb {
  padding-block: var(--sp-5);
  border-bottom: 1px solid var(--c-line);
  background-color: var(--c-surface);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--fs-tiny);
  color: var(--c-ink-500);
}

.breadcrumb__list li {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin: 0;
}

.breadcrumb__list li:not(:last-child)::after {
  content: "/";
  color: var(--c-line-strong);
}

.breadcrumb__list a {
  color: var(--c-ink-500);
  text-decoration: none;
}

.breadcrumb__list a:hover {
  color: var(--c-brand-700);
  text-decoration: underline;
}

/* --- Seitenkopf für Unterseiten --- */

.page-head {
  padding-block: var(--sp-10) var(--sp-9);
  background-color: var(--c-surface-2);
  border-bottom: 1px solid var(--c-line);
}

@media (min-width: 768px) {
  .page-head {
    padding-block: var(--sp-12) var(--sp-10);
  }
}

.page-head__inner {
  max-width: var(--w-measure);
}

.page-head h1 {
  margin-bottom: var(--sp-5);
}

.page-head p {
  margin-bottom: 0;
  font-size: var(--fs-lead);
  line-height: 1.65;
}

/* ==========================================================================
   20 Kontaktdaten
   ========================================================================== */

.contact-details {
  display: grid;
  gap: var(--sp-5);
  margin: 0;
  padding: var(--sp-6);
  background-color: var(--c-surface-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
}

.contact-details__item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
}

.contact-details__icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  margin-top: 4px;
  color: var(--c-brand-700);
}

.contact-details__label {
  display: block;
  font-family: var(--ff-mono);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-ink-500);
  margin-bottom: var(--sp-1);
}

.contact-details__value {
  display: block;
  font-size: var(--fs-small);
  line-height: 1.55;
  color: var(--c-ink-900);
}

.contact-details__value a {
  text-decoration: none;
}

.contact-details__value a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   21 Footer
   ========================================================================== */

.site-footer {
  background-color: var(--c-ink-900);
  color: var(--c-on-dark-soft);
  padding-block: var(--sp-12) var(--sp-7);
  font-size: var(--fs-small);
}

.site-footer__grid {
  display: grid;
  gap: var(--sp-9);
  padding-bottom: var(--sp-9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

@media (min-width: 700px) {
  .site-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .site-footer__grid {
    grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
    gap: var(--sp-8);
  }
}

.footer-company__logo {
  height: 32px;
  width: auto;
  margin-bottom: var(--sp-5);
}

/* Vollständige Firmierung — als normaler HTML-Text, gut lesbar */
.footer-company__name {
  display: block;
  margin-bottom: var(--sp-3);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-on-dark);
}

.footer-company__address {
  color: var(--c-on-dark-soft);
  line-height: 1.7;
}

.footer-company__address a {
  color: var(--c-on-dark-soft);
  text-decoration: none;
}

.footer-company__address a:hover {
  color: var(--c-on-dark);
  text-decoration: underline;
}

.footer-nav__title {
  margin-bottom: var(--sp-4);
  font-family: var(--ff-mono);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8ea3b8;
}

.footer-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav__list li {
  margin-bottom: var(--sp-3);
}

.footer-nav__list a {
  color: var(--c-on-dark-soft);
  text-decoration: none;
  line-height: 1.5;
}

.footer-nav__list a:hover {
  color: var(--c-on-dark);
  text-decoration: underline;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-top: var(--sp-7);
  font-size: var(--fs-tiny);
  color: #8ea3b8;
}

.site-footer__bottom p {
  margin: 0;
  max-width: none;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-legal li {
  margin: 0;
}

.footer-legal a {
  color: var(--c-on-dark-soft);
  text-decoration: none;
}

.footer-legal a:hover {
  color: var(--c-on-dark);
  text-decoration: underline;
}

/* ==========================================================================
   22 Sticky-CTA (mobil)
   ========================================================================== */

.mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-sticky);
  padding: var(--sp-3) var(--gutter)
    calc(var(--sp-3) + env(safe-area-inset-bottom, 0px));
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--c-line);
  transform: translateY(110%);
  transition: transform var(--t-base);
}

.mobile-cta.is-visible {
  transform: translateY(0);
}

@media (min-width: 768px) {
  .mobile-cta {
    display: none;
  }
}

/* Platz für die eingeblendete Leiste schaffen */
@media (max-width: 767px) {
  body.has-mobile-cta .site-footer {
    padding-bottom: calc(var(--sp-12) + env(safe-area-inset-bottom, 0px));
  }
}

/* ==========================================================================
   23 Fließtextseiten (Impressum, Datenschutz)
   ========================================================================== */

.prose {
  max-width: var(--w-narrow);
}

.prose h2 {
  margin-top: var(--sp-10);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--c-line);
  font-size: 1.5rem;
}

.prose h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.prose h3 {
  margin-top: var(--sp-7);
  font-size: 1.125rem;
}

.prose p,
.prose li {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.prose ul {
  padding-left: var(--sp-5);
}

.legal-card {
  padding: var(--sp-6);
  margin-bottom: var(--sp-8);
  background-color: var(--c-surface-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
}

.legal-card p {
  max-width: none;
}

.legal-card__name {
  display: block;
  margin-bottom: var(--sp-3);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--c-ink-900);
  line-height: 1.4;
}

.legal-dl {
  display: grid;
  gap: var(--sp-4);
  margin: 0;
}

@media (min-width: 560px) {
  .legal-dl {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: var(--sp-3) var(--sp-5);
  }
}

.legal-dl dt {
  font-weight: 500;
  color: var(--c-ink-500);
  font-size: var(--fs-small);
}

.legal-dl dd {
  margin: 0;
  color: var(--c-ink-900);
  font-size: var(--fs-small);
}

/* ==========================================================================
   24 Fehlerseite
   ========================================================================== */

.error-page {
  padding-block: var(--sp-16);
  text-align: center;
}

.error-page__code {
  display: block;
  margin-bottom: var(--sp-4);
  font-family: var(--ff-mono);
  font-size: 3.5rem;
  font-weight: 500;
  line-height: 1;
  color: var(--c-brand-300);
}

.error-page p {
  margin-inline: auto;
}

/* ==========================================================================
   25 Reveal-Animationen
   Greifen nur, wenn JavaScript aktiv ist (html.js). Ohne JS bleibt alles
   sofort sichtbar — die Seite ist ohne JavaScript vollständig nutzbar.
   ========================================================================== */

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-slow), transform var(--t-slow);
  transition-delay: var(--reveal-delay, 0ms);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   26 Reduzierte Bewegung & Druck
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }

  .sysmap__link {
    animation: none;
  }

  .btn:active {
    transform: none;
  }

  .card:hover {
    transform: none;
  }
}

@media print {
  .site-header,
  .nav-overlay,
  .mobile-cta,
  .skip-link,
  .cta-band,
  .btn {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
    font-size: 11pt;
  }

  .section {
    padding-block: 1rem;
  }

  .site-footer {
    background: none;
    color: #000;
    border-top: 1px solid #000;
  }

  .footer-company__name,
  .footer-company__address,
  .footer-nav__list a,
  .footer-legal a,
  .site-footer__bottom {
    color: #000;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 9pt;
  }
}

/* ==========================================================================
   27 Farberweiterung, Bildbänder und Bewegung
   Ergänzung zu den Abschnitten 01–26. Alle Werte hängen an den Tokens aus
   Abschnitt 02; die Grundpalette bleibt unverändert gültig.
   ========================================================================== */

:root {
  /* --- Zusätzliche Akzentfarben --- */
  --c-teal-500: #17868C;
  --c-teal-600: #126E73;   /* auf Weiß 4,8:1 */
  --c-teal-50: #E6F2F3;

  --c-plum-600: #7A3E6B;   /* auf Weiß 6,7:1 */
  --c-plum-50: #F5EBF2;

  --c-sky-500: #3C7FC4;
  --c-sky-50: #E8F1F9;

  /* --- Verläufe --- */
  --grad-dark: linear-gradient(135deg, #1D3F63 0%, #21506E 45%, #1A3A5C 100%);
  --grad-cta: linear-gradient(120deg, #1D3F63 0%, #2A5F7D 55%, #24496E 100%);
  --grad-hero: radial-gradient(
      ellipse 70% 60% at 78% 18%,
      rgba(94, 135, 182, 0.16) 0%,
      transparent 68%
    ),
    radial-gradient(
      ellipse 55% 50% at 12% 88%,
      rgba(168, 95, 34, 0.09) 0%,
      transparent 70%
    );
  --grad-line: linear-gradient(
    90deg,
    var(--c-brand-700),
    var(--c-teal-500),
    var(--c-accent-600)
  );

  /* --- Bildbänder --- */
  --banner-default: url("../images/banner/banner-default.jpg");
  --banner-recht: url("../images/banner/banner-recht.jpg");
  --banner-hell: url("../images/banner/banner-hell.jpg");
}

/* --------------------------------------------------------------------------
   27.1 Lesefortschritt im Kopfbereich
   -------------------------------------------------------------------------- */

.progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background-image: var(--grad-line);
  opacity: 0;
  transition: opacity var(--t-base);
  pointer-events: none;
}

.site-header.is-compact .progress {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   27.2 Hero: farbiger Verlauf über dem Raster
   -------------------------------------------------------------------------- */

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--grad-hero);
  pointer-events: none;
  z-index: 0;
}

.hero > .container {
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   27.3 Seitenkopf mit Bildband
   Dunkles Band mit Verlaufsschleier über dem Foto, damit der Text unabhängig
   vom Motiv immer ausreichend Kontrast hat.
   -------------------------------------------------------------------------- */

.page-head--media {
  position: relative;
  border-bottom: 0;
  background-color: var(--c-brand-900);
  background-image: linear-gradient(
      100deg,
      rgba(16, 38, 62, 0.94) 0%,
      rgba(16, 38, 62, 0.82) 48%,
      rgba(16, 38, 62, 0.66) 100%
    ),
    var(--banner-default);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-head--recht {
  background-image: linear-gradient(
      100deg,
      rgba(16, 38, 62, 0.94) 0%,
      rgba(16, 38, 62, 0.84) 48%,
      rgba(16, 38, 62, 0.7) 100%
    ),
    var(--banner-recht);
}

.page-head--hell {
  background-image: linear-gradient(
      100deg,
      rgba(16, 38, 62, 0.92) 0%,
      rgba(16, 38, 62, 0.8) 48%,
      rgba(16, 38, 62, 0.62) 100%
    ),
    var(--banner-hell);
}

.page-head--media::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background-image: var(--grad-line);
}

.page-head--media .page-head__inner {
  position: relative;
  z-index: 1;
}

.page-head--media h1 {
  color: var(--c-on-dark);
}

.page-head--media p {
  color: var(--c-on-dark-soft);
}

.page-head--media .eyebrow {
  color: var(--c-accent-300);
}

.page-head--media a:not(.btn) {
  color: var(--c-on-dark);
}

.page-head--media .product__status {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(217, 168, 119, 0.6);
  color: var(--c-accent-300);
}

/* Sprungmarken auf dunklem Band */
.page-head--media .anchor-nav a {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--c-on-dark);
}

.page-head--media .anchor-nav a:hover {
  background-color: rgba(255, 255, 255, 0.16);
  border-color: var(--c-on-dark);
  color: var(--c-on-dark);
}

/* --------------------------------------------------------------------------
   27.4 Karten: farbige Akzente
   Die Icons rotieren über vier Farbfamilien. Das geschieht über nth-child,
   damit keine Änderung am HTML nötig ist.
   -------------------------------------------------------------------------- */

.cards .card {
  position: relative;
  overflow: hidden;
}

.cards .card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--card-accent, var(--c-brand-500));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-slow);
}

.cards .card:hover::before,
.cards .card:focus-within::before {
  transform: scaleX(1);
}

.cards .card__icon {
  padding: 6px;
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  background-color: var(--card-tint, var(--c-surface-3));
  color: var(--card-accent, var(--c-brand-700));
  transition: transform var(--t-base);
}

.cards .card:hover .card__icon {
  transform: translateY(-2px) rotate(-3deg);
}

.cards li:nth-child(4n + 1) .card {
  --card-accent: var(--c-brand-700);
  --card-tint: var(--c-surface-3);
}

.cards li:nth-child(4n + 2) .card {
  --card-accent: var(--c-teal-600);
  --card-tint: var(--c-teal-50);
}

.cards li:nth-child(4n + 3) .card {
  --card-accent: var(--c-accent-600);
  --card-tint: var(--c-accent-50);
}

.cards li:nth-child(4n + 4) .card {
  --card-accent: var(--c-plum-600);
  --card-tint: var(--c-plum-50);
}

.cards .card__list li::before {
  background-color: var(--card-accent, var(--c-accent-600));
}

/* --------------------------------------------------------------------------
   27.5 Schritte: farbige Kopflinie mit Aufbau
   -------------------------------------------------------------------------- */

.steps .step {
  border-top-color: transparent;
  background-image: linear-gradient(
    90deg,
    var(--step-accent, var(--c-brand-500)),
    var(--step-accent, var(--c-brand-500))
  );
  background-repeat: no-repeat;
  background-size: 0% 2px;
  background-position: left top;
  transition: background-size 700ms cubic-bezier(0.2, 0.7, 0.3, 1);
  box-shadow: inset 0 2px 0 0 var(--c-line);
}

.section--dark .steps .step {
  box-shadow: inset 0 2px 0 0 rgba(255, 255, 255, 0.2);
}

.steps .step.is-visible,
.js .reveal.is-visible .step,
.steps li.is-visible .step {
  background-size: 100% 2px;
}

.steps li:nth-child(4n + 1) .step {
  --step-accent: var(--c-brand-700);
}

.steps li:nth-child(4n + 2) .step {
  --step-accent: var(--c-teal-500);
}

.steps li:nth-child(4n + 3) .step {
  --step-accent: var(--c-accent-600);
}

.steps li:nth-child(4n + 4) .step {
  --step-accent: var(--c-sky-500);
}

/* --------------------------------------------------------------------------
   27.6 Dunkle Bereiche: langsam wandernder Verlauf
   -------------------------------------------------------------------------- */

.section--dark {
  background-image: var(--grad-dark);
  background-size: 180% 180%;
  animation: verlauf-wandern 26s ease-in-out infinite alternate;
}

.cta-band {
  background-image: var(--grad-cta);
  background-size: 170% 170%;
  animation: verlauf-wandern 22s ease-in-out infinite alternate;
}

.cta-band::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-image: var(--grad-line);
}

@keyframes verlauf-wandern {
  from {
    background-position: 0% 50%;
  }
  to {
    background-position: 100% 50%;
  }
}

/* --------------------------------------------------------------------------
   27.7 Buttons: Lichtstreifen beim Überfahren
   -------------------------------------------------------------------------- */

.btn--primary {
  position: relative;
  overflow: hidden;
}

.btn--primary::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -60%;
  width: 45%;
  background-image: linear-gradient(
    100deg,
    transparent,
    rgba(255, 255, 255, 0.28),
    transparent
  );
  transform: skewX(-18deg);
  transition: left 650ms cubic-bezier(0.2, 0.7, 0.3, 1);
}

.btn--primary:hover::after {
  left: 120%;
}

/* --------------------------------------------------------------------------
   27.8 Aussageblock und Merkmalslisten mit Farbe
   -------------------------------------------------------------------------- */

.statement {
  border-left-color: transparent;
  background-image: linear-gradient(
      to right,
      var(--c-teal-500) 0 3px,
      transparent 3px
    ),
    linear-gradient(120deg, var(--c-teal-50) 0%, var(--c-surface-2) 60%);
}

.featurelist__icon {
  color: var(--c-teal-600);
}

.trustbar__icon {
  color: var(--c-teal-600);
}

/* --------------------------------------------------------------------------
   27.9 Abbildungen: sanfter Zoom
   -------------------------------------------------------------------------- */

figure img,
.product__media img {
  transition: transform var(--t-slow);
}

figure:hover img,
.product__media:hover img {
  transform: scale(1.015);
}

/* --------------------------------------------------------------------------
   27.10 Abschnittswechsel farbig akzentuieren
   -------------------------------------------------------------------------- */

.section--alt {
  position: relative;
}

.section--alt::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-image: var(--grad-line);
  opacity: 0.5;
}

.section__head .eyebrow::after {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  margin-left: var(--sp-3);
  vertical-align: middle;
  background-image: var(--grad-line);
}

/* --------------------------------------------------------------------------
   27.11 Reduzierte Bewegung
   Gilt zusätzlich zu Abschnitt 26 und schaltet alle hier ergänzten
   Bewegungen ab. Farben und Verläufe bleiben erhalten.
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .section--dark,
  .cta-band {
    animation: none;
    background-size: cover;
  }

  .progress {
    display: none;
  }

  .btn--primary::after {
    display: none;
  }

  .cards .card::before {
    transform: scaleX(1);
  }

  .cards .card:hover .card__icon {
    transform: none;
  }

  .steps .step {
    background-size: 100% 2px;
  }

  figure:hover img,
  .product__media:hover img {
    transform: none;
  }
}

/* ==========================================================================
   28 Logofarben in wechselnden Blöcken
   Die drei Farben der Bildmarke — Blau, Gold, Anthrazit — führen als Thema
   durch die Abschnitte ohne Hintergrundbild. Jeder Block trägt genau eine
   Farbe: Kopflinie, Eyebrow, Kartenakzente und Schrittlinien stammen aus
   derselben Familie. Das wirkt ruhiger als bunt gemischte Einzelakzente.
   ========================================================================== */

:root {
  /* --- Farben der Bildmarke, unverändert --- */
  --c-logo-blue: #166fe3;
  --c-logo-gold: #f7c121;
  --c-logo-ink: #484848;

  /* --- Texttaugliche Abstufungen ---
     Die reinen Logofarben bleiben Flächen, Linien und Rahmen vorbehalten.
     Gold wird in den Blöcken nicht mehr verwendet und erscheint nur noch
     in der dreifarbigen Logolinie (--grad-logo). */
  --c-logo-blue-text: #0f52a8; /* 7,52:1 */
  --c-logo-ink-text: #3a3a3a;  /* 11,37:1 */

  /* --- Flächen --- */
  --c-logo-blue-wash: #eaf2fd;
  --c-logo-ink-wash: #e6e6e9;  /* vertieft, damit er sich von #f2f2f2 absetzt */

  --c-logo-blue-soft: #d7e6fb;
  --c-logo-ink-soft: #d8d8dc;

  /* --- Neutraler Graublock ---
     Ersetzt das frühere Goldthema. Ruhige Fläche zwischen den beiden
     farbigen Blöcken. Fließtext erreicht darauf 10,36:1,
     Überschriften 14,71:1.
     Die Klasse heißt aus Gründen der Dateikontinuität weiterhin
     .section--creme; der Farbwert ist neutralgrau. */
  --c-creme-wash: #f2f2f2;
  --c-creme-soft: #e4e4e4;
  --c-creme-linie: #484848;  /* 8,17:1 auf #f2f2f2 */
  --c-creme-text: #3a3a3a;   /* 10,18:1 auf #f2f2f2 */

  /* --- Dreifarbige Linie aus den Logofarben --- */
  --grad-logo: linear-gradient(
    90deg,
    var(--c-logo-gold) 0%,
    var(--c-logo-gold) 33%,
    var(--c-logo-blue) 33%,
    var(--c-logo-blue) 66%,
    var(--c-logo-ink) 66%,
    var(--c-logo-ink) 100%
  );
}

/* --------------------------------------------------------------------------
   28.1 Die drei Themen
   -------------------------------------------------------------------------- */

.section--blau {
  --thema-flaeche: var(--c-logo-blue-wash);
  --thema-weich: var(--c-logo-blue-soft);
  --thema-linie: var(--c-logo-blue);
  --thema-text: var(--c-logo-blue-text);
}

.section--creme {
  --thema-flaeche: var(--c-creme-wash);
  --thema-weich: var(--c-creme-soft);
  --thema-linie: var(--c-creme-linie);
  --thema-text: var(--c-creme-text);
}

.section--anthrazit {
  --thema-flaeche: var(--c-logo-ink-wash);
  --thema-weich: var(--c-logo-ink-soft);
  --thema-linie: var(--c-logo-ink);
  --thema-text: var(--c-logo-ink-text);
}

.section--blau,
.section--creme,
.section--anthrazit {
  position: relative;
  background-color: var(--thema-flaeche);
}

/* Kopflinie des Blocks in der Themenfarbe, ersetzt den Verlauf aus 27.10 */
.section--blau::before,
.section--creme::before,
.section--anthrazit::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-image: none;
  background-color: var(--thema-linie);
  opacity: 1;
}

/* --------------------------------------------------------------------------
   28.2 Elemente innerhalb eines Themenblocks
   -------------------------------------------------------------------------- */

.section--blau .eyebrow,
.section--creme .eyebrow,
.section--anthrazit .eyebrow {
  color: var(--thema-text);
}

.section--blau .section__head .eyebrow::after,
.section--creme .section__head .eyebrow::after,
.section--anthrazit .section__head .eyebrow::after {
  background-image: none;
  background-color: var(--thema-linie);
}

/* Karten übernehmen die Themenfarbe, statt über vier Farben zu rotieren */
.section--blau .cards li .card,
.section--creme .cards li .card,
.section--anthrazit .cards li .card {
  --card-accent: var(--thema-text);
  --card-tint: var(--thema-weich);
}

.section--blau .cards .card::before,
.section--creme .cards .card::before,
.section--anthrazit .cards .card::before {
  background-color: var(--thema-linie);
}

.section--blau .card,
.section--creme .card,
.section--anthrazit .card {
  border-color: var(--c-line);
  background-color: var(--c-surface);
}

.section--blau .card:hover,
.section--creme .card:hover,
.section--anthrazit .card:hover {
  border-color: var(--thema-linie);
}

.section--blau .steps li .step,
.section--creme .steps li .step,
.section--anthrazit .steps li .step {
  --step-accent: var(--thema-linie);
}

.section--blau .featurelist__icon,
.section--creme .featurelist__icon,
.section--anthrazit .featurelist__icon {
  color: var(--thema-text);
}

/* Aussageblock übernimmt das Thema */
.section--blau .statement,
.section--creme .statement,
.section--anthrazit .statement {
  background-image: linear-gradient(
      to right,
      var(--thema-linie) 0 3px,
      transparent 3px
    ),
    linear-gradient(120deg, var(--thema-weich) 0%, var(--c-surface) 65%);
}

/* Problem-Nutzen-Paare */
.section--blau .pair__solution .pair__tag,
.section--creme .pair__solution .pair__tag,
.section--anthrazit .pair__solution .pair__tag {
  color: var(--thema-text);
}

.section--blau .pair,
.section--creme .pair,
.section--anthrazit .pair {
  background-color: var(--c-surface);
}

/* Sekundärbutton greift die Themenfarbe auf */
.section--blau .btn--secondary:hover,
.section--creme .btn--secondary:hover,
.section--anthrazit .btn--secondary:hover {
  border-color: var(--thema-linie);
  background-color: var(--thema-weich);
}

/* --------------------------------------------------------------------------
   28.3 Dreifarbige Linie als Marken-Signal
   Ersetzt den bisherigen Verlauf am Fuß der Bildbänder und am Abschlussband.
   -------------------------------------------------------------------------- */

.page-head--media::after,
.cta-band::after,
.progress {
  background-image: var(--grad-logo);
}

/* --------------------------------------------------------------------------
   28.4 Reduzierte Bewegung
   Farben bleiben, nur Bewegung entfällt (siehe Abschnitte 26 und 27.11).
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .section--blau .cards .card::before,
  .section--creme .cards .card::before,
  .section--anthrazit .cards .card::before {
    transform: scaleX(1);
  }
}

/* ==========================================================================
   29 Kopfbereich in Logogelb
   Der Kopfbereich trägt die Gelbfläche der Bildmarke. Weil Gelb sehr hell
   ist, werden Schrift- und Linienfarben darauf abgedunkelt; Weiß wäre mit
   1,67:1 unlesbar. Die geprüften Werte stehen jeweils dahinter.
   ========================================================================== */

:root {
  --c-header-bg: var(--c-logo-gold);      /* #f7c121 */
  --c-header-bg-kompakt: #f4b911;         /* beim Scrollen minimal kräftiger */
  --c-header-ink: #16202b;                /* 9,88:1 */
  --c-header-ink-weich: #3f3213;          /* gedeckter Warmton, 7,4:1 */
  --c-header-linie: rgba(22, 32, 43, 0.22);
}

.site-header {
  background-color: var(--c-header-bg);
  border-bottom-color: transparent;
}

.site-header.is-compact {
  background-color: var(--c-header-bg-kompakt);
  border-bottom-color: var(--c-header-linie);
  box-shadow: 0 2px 10px rgba(22, 32, 43, 0.12);
}

/* --- Wortmarke --- */

.site-header .brand {
  color: var(--c-header-ink);
}

/* Das blaue "IT" erreicht auf Gelb nur 4,18:1 und wird deshalb
   auf den dunkleren Markenton gesetzt (6,49:1). */
.site-header .brand__name em {
  color: var(--c-brand-900);
}

.site-header .brand__legal {
  color: var(--c-header-ink-weich);
}

/* --- Navigation --- */

.site-header .nav__link {
  color: var(--c-header-ink);
}

.site-header .nav__link:hover,
.site-header .nav__link[aria-current="page"] {
  color: #000000;
}

.site-header .nav__link::after {
  background-color: var(--c-brand-900);
}

/* --- Schaltflächen im Kopfbereich --- */

.site-header .btn--primary {
  background-color: var(--c-brand-900);
  border-color: var(--c-brand-900);
  color: var(--c-on-dark);
}

.site-header .btn--primary:hover {
  background-color: #142F4C;
  border-color: #142F4C;
  color: var(--c-on-dark);
}

.site-header .nav-toggle {
  border-color: rgba(22, 32, 43, 0.35);
  color: var(--c-header-ink);
}

.site-header .nav-toggle:hover {
  border-color: var(--c-header-ink);
  background-color: rgba(255, 255, 255, 0.28);
}

/* --- Fokus auf gelbem Grund --- */

.site-header :focus-visible {
  outline-color: var(--c-brand-900);
}

/* --- Lesefortschritt ---
   Der Gelbanteil der Logolinie wäre auf Gelb unsichtbar. Auf dem
   Kopfbereich läuft die Leiste deshalb in Blau und Anthrazit. */

.site-header .progress {
  background-image: linear-gradient(
    90deg,
    var(--c-brand-900) 0%,
    var(--c-logo-blue) 55%,
    var(--c-logo-ink) 100%
  );
  height: 3px;
}

/* --- Mobiles Navigationsband ---
   Nur der Kopf des Overlays greift Gelb auf; die Liste bleibt weiß,
   damit längere Menüs ruhig lesbar sind. --- */

.nav-overlay__head {
  margin-inline: calc(var(--gutter) * -1);
  margin-top: calc(var(--sp-7) * -1);
  padding: var(--sp-5) var(--gutter);
  background-color: var(--c-header-bg);
  color: var(--c-header-ink);
}

.nav-overlay__head .brand__name {
  color: var(--c-header-ink);
}

.nav-overlay__head .brand__name em {
  color: var(--c-brand-900);
}

.nav-overlay__close {
  border-color: rgba(22, 32, 43, 0.35);
  color: var(--c-header-ink);
}

.nav-overlay__close:hover {
  border-color: var(--c-header-ink);
  background-color: rgba(255, 255, 255, 0.28);
}

/* --- Skip-Link bleibt dunkel und damit auf Gelb gut erkennbar --- */

.skip-link {
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.6);
}