/*
Theme Name: SIGMA Consultants
Theme URI: https://sigma-consultants.de
Author: SIGMA Consultants
Description: Eigenständiges Theme für die SIGMA Consultants Homepage. Personalberatung München / DACH.
Version: 1.2.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: sigma
*/

/* ══════════════════════════════════════════════════════════
   1. Design-Tokens
   ══════════════════════════════════════════════════════════ */
:root {
  --sig-blue:        #27476C;
  --sig-blue-dark:   #1D3550;
  --sig-ink:         #233647;
  --sig-ink-deep:    #18252F;
  --sig-body:        #56514A;
  --sig-muted:       #7C756B;
  --sig-faint:       #938C82;
  --sig-line:        #E3DFD6;
  --sig-bg:          #F5F3EE;
  --sig-bg-alt:      #FBFAF7;

  --sig-card:        linear-gradient(135deg, #fffbf7 0%, #fefcfa 100%);
  --sig-card-hover:  linear-gradient(135deg, #fff 0%, #fffbf7 100%);
  --sig-card-soft:   linear-gradient(135deg, #f8f6f2 0%, #faf9f6 100%);

  --sig-serif:       'Playfair Display', Georgia, serif;
  --sig-sans:        'Montserrat', system-ui, -apple-system, sans-serif;

  --sig-nav-h:       76px;
  --sig-gutter:      clamp(1.5rem, 5vw, 4rem);
  --sig-section-y:   clamp(5rem, 9vw, 8.5rem);
  --sig-radius:      6px;

  --sig-ease:        cubic-bezier(.2, .65, .2, 1);
  --sig-shadow-card: 0 28px 60px -28px rgba(39, 71, 108, .38);
  --sig-shadow-btn:  0 16px 34px -16px rgba(39, 71, 108, .65);
}

/* ══════════════════════════════════════════════════════════
   2. Reset & Basis
   ══════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: var(--sig-nav-h); }

body {
  font-family: var(--sig-sans);
  background: var(--sig-bg);
  color: #2B3540;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; }
a { color: var(--sig-blue); }
a:hover { color: var(--sig-blue-dark); }
::selection { background: var(--sig-blue); color: #fff; }

/* Sichtbarer Fokus – ohne den war die Seite per Tastatur nicht bedienbar. */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--sig-blue);
  outline-offset: 3px;
  border-radius: 2px;
}

.sig-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--sig-blue);
  color: #fff;
  padding: .8rem 1.4rem;
  font-size: .85rem;
  text-decoration: none;
}
.sig-skip-link:focus { left: 0; color: #fff; }

.sig-visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.sig-page { background: var(--sig-bg); }

/* ══════════════════════════════════════════════════════════
   3. Typografie
   ══════════════════════════════════════════════════════════ */
.sig-h1,
.sig-h2,
.sig-h3 { font-family: var(--sig-serif); font-weight: 400; color: var(--sig-ink); }

.sig-h1 {
  font-size: clamp(2.9rem, 6vw, 5.4rem);
  line-height: 1.04;
  letter-spacing: -.022em;
  margin-bottom: 1.9rem;
  text-wrap: balance;
}
.sig-h1 em { font-style: italic; color: var(--sig-blue); }

.sig-h2 {
  font-size: clamp(2rem, 3.4vw, 3rem);
  line-height: 1.14;
  letter-spacing: -.01em;
}

.sig-h3 { font-size: 1.35rem; line-height: 1.26; }

.sig-lead {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--sig-body);
  max-width: 500px;
  line-height: 1.7;
  font-weight: 300;
  margin: 0 auto 2.8rem;
  text-wrap: pretty;
}

.sig-prose {
  color: var(--sig-body);
  line-height: 1.8;
  font-size: 1.02rem;
  font-weight: 300;
  max-width: 46ch;
  margin-bottom: 1.4rem;
}
.sig-prose:last-of-type { margin-bottom: 2.2rem; }

/* Eyebrow: kleines Label mit Strichen links / beidseitig */
.sig-eyebrow {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1.4rem;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--sig-muted);
}
.sig-eyebrow::before,
.sig-eyebrow--center::after {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--sig-blue);
  flex-shrink: 0;
}
.sig-eyebrow--center { justify-content: center; }

/* ══════════════════════════════════════════════════════════
   4. Buttons
   ══════════════════════════════════════════════════════════ */
.sig-btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  background: var(--sig-blue);
  color: #fff;
  text-decoration: none;
  padding: .95rem 2rem;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .05em;
  border-radius: 3px;
  transition: background .25s, transform .2s, box-shadow .25s;
}
.sig-btn:hover {
  background: var(--sig-blue-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--sig-shadow-btn);
}
.sig-btn--sm { padding: .9rem 1.9rem; font-size: .83rem; }

.sig-btn--light {
  background: #fff;
  color: var(--sig-ink);
  padding: 1rem 2.3rem;
  font-size: .92rem;
  letter-spacing: .04em;
}
.sig-btn--light:hover {
  background: #fff;
  color: var(--sig-ink);
  box-shadow: 0 20px 40px -18px rgba(0, 0, 0, .5);
}

.sig-btn-text {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: var(--sig-body);
  text-decoration: none;
  font-size: .85rem;
  font-weight: 500;
  border-bottom: 1px solid var(--sig-line);
  padding-bottom: 3px;
  transition: color .2s, border-color .2s;
}
.sig-btn-text:hover { color: var(--sig-ink); border-color: var(--sig-body); }

.sig-link-arrow {
  font-size: .8rem;
  color: var(--sig-blue);
  font-weight: 600;
  letter-spacing: .04em;
  display: inline-block;
  transition: transform .2s;
}
a:hover > .sig-link-arrow { transform: translateX(3px); }

/* ══════════════════════════════════════════════════════════
   5. Navigation
   ══════════════════════════════════════════════════════════ */
.sig-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--sig-nav-h);
  padding: 0 var(--sig-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(245, 243, 238, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--sig-line);
  transition: box-shadow .3s;
}
/* Klasse statt Inline-Style: das JS togglet nur noch die Klasse. */
.sig-nav.is-scrolled {
  box-shadow: 0 1px 0 rgba(0, 0, 0, .04), 0 10px 34px -20px rgba(0, 0, 0, .35);
}

.sig-nav__logo { display: flex; align-items: center; gap: 1rem; text-decoration: none; }
.sig-nav__logo img { height: 40px; width: auto; display: block; flex-shrink: 0; }

.sig-nav__links {
  display: flex;
  gap: clamp(1.2rem, 2.4vw, 2.4rem);
  align-items: center;
}
.sig-nav__links a {
  text-decoration: none;
  color: var(--sig-body);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .2s;
}
.sig-nav__links a:hover { color: var(--sig-ink); }
.sig-nav__links .sig-btn {
  padding: .62rem 1.35rem;
  font-size: .76rem;
  letter-spacing: .06em;
  color: #fff;
}

/* Burger – auf Desktop unsichtbar */
/* Sprachumschalter (Polylang) — erscheint nur, wenn das Plugin aktiv ist. */
.sig-nav__lang ul { display: flex; align-items: center; gap: .35rem; list-style: none; margin: 0; padding: 0; }
.sig-nav__lang li { display: flex; align-items: center; }
.sig-nav__lang li + li::before { content: '|'; margin-right: .35rem; color: var(--sig-line); }
.sig-nav__lang a {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--sig-muted);
  transition: color .2s ease;
}
.sig-nav__lang a:hover { color: var(--sig-ink); }
.sig-nav__lang .current-lang a { color: var(--sig-ink); border-bottom: 1px solid var(--sig-blue); }
/* Sprachumschalter (erscheint automatisch, sobald Polylang aktiv ist) */
.sig-nav__lang ul { display: flex; align-items: center; gap: .4rem; list-style: none; margin: 0; padding: 0; }
.sig-nav__lang li + li::before { content: '/'; margin-right: .4rem; color: var(--sig-line); }
.sig-nav__lang a {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sig-muted);
  text-decoration: none;
  transition: color .2s ease;
}
.sig-nav__lang a:hover { color: var(--sig-blue); }
.sig-nav__lang .current-lang a { color: var(--sig-ink); }

.sig-nav__toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: .6rem;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}
.sig-nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--sig-ink);
  position: relative;
  transition: background .2s;
}
.sig-nav__toggle span::before,
.sig-nav__toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 1.5px;
  background: var(--sig-ink);
  transition: transform .25s var(--sig-ease);
}
.sig-nav__toggle span::before { top: -7px; }
.sig-nav__toggle span::after  { top: 7px; }
.sig-nav__toggle[aria-expanded="true"] span { background: transparent; }
.sig-nav__toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.sig-nav__toggle[aria-expanded="true"] span::after  { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════════════════════════════
   6. Hero
   ══════════════════════════════════════════════════════════ */
.sig-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh; /* iOS: 100vh rechnet die Adressleiste mit */
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--sig-nav-h) + clamp(3rem, 7vh, 6rem)) var(--sig-gutter) 0;
  background: linear-gradient(180deg, var(--sig-bg-alt) 0%, var(--sig-bg) 100%);
  overflow: hidden;
}
.sig-hero__mark {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  height: 118%;
  width: auto;
  max-width: none;
  opacity: .05;
  pointer-events: none;
  user-select: none;
  animation: sig-float 14s ease-in-out infinite;
}
.sig-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  width: 100%;
  padding-bottom: clamp(3rem, 6vh, 5rem);
  margin: 0 auto;
  text-align: center;
}
.sig-hero__actions {
  display: flex;
  gap: 1.4rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.sig-stats {
  position: relative;
  z-index: 2;
  display: grid;
  /* 170px statt 150px: "DACH · EU · MENA" braucht die Breite, sonst
     bricht der Wert in drei Zeilen um. */
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  border-top: 1px solid var(--sig-line);
  max-width: 920px;
  margin: 0 auto;
}
.sig-stats > div {
  padding: 1.6rem 1.8rem;
  border-left: 1px solid var(--sig-line);
  text-align: center;
  /* Labels auf eine Linie, auch wenn ein Wert zweizeilig umbricht. */
  display: flex;
  flex-direction: column;
}
.sig-stats > div:first-child { border-left: 0; }
.sig-stats__num {
  flex: 1;
  font-family: var(--sig-serif);
  font-size: 1.9rem;
  color: var(--sig-ink);
  line-height: 1;
  margin-bottom: .5rem;
}
.sig-stats__label {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sig-faint);
  font-weight: 500;
}

/* ══════════════════════════════════════════════════════════
   8. Sections & Karten
   ══════════════════════════════════════════════════════════ */
.sig-section { padding: var(--sig-section-y) var(--sig-gutter); }
.sig-section--alt {
  background: var(--sig-bg-alt);
  border-top: 1px solid var(--sig-line);
  border-bottom: 1px solid var(--sig-line);
}

/* Inhaltsseiten (Impressum, Datenschutz, Beiträge): die Nav ist fixed,
   der erste Abschnitt braucht deshalb zusätzlich deren Höhe als Abstand. */
.sig-inner {
  max-width: 760px;
  margin: 0 auto;
  padding-top: calc(var(--sig-nav-h) + var(--sig-section-y));
}
.sig-entry { margin-bottom: 3.5rem; }
.sig-entry__content { color: var(--sig-body); line-height: 1.8; }
.sig-entry__content > * + * { margin-top: 1.2rem; }
.sig-entry__content h2,
.sig-entry__content h3 {
  font-family: var(--sig-serif);
  font-weight: 400;
  color: var(--sig-ink);
  margin-top: 2.4rem;
}
.sig-entry__content ul,
.sig-entry__content ol { padding-left: 1.4rem; }
.sig-entry .sig-h2 { margin-bottom: 1.2rem; }
.sig-pagination { margin-top: 3rem; }
.sig-pagination a { color: var(--sig-blue); }

.sig-section__head {
  margin: 0 auto 3.2rem;
  max-width: 640px;
  text-align: center;
}
.sig-section__sub {
  color: var(--sig-faint);
  font-size: .95rem;
  font-weight: 300;
  margin-top: .6rem;
}

.sig-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: center;
  max-width: 1380px;
  margin: 0 auto;
}
.sig-split--tight { gap: clamp(3rem, 5vw, 6rem); }

.sig-grid { display: grid; gap: 20px; }
.sig-grid--2      { grid-template-columns: 1fr 1fr; }
.sig-grid--cards  { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.sig-grid--fields { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); max-width: 1100px; margin: 0 auto; }

.sig-card {
  background: var(--sig-card);
  border: 1px solid rgba(227, 223, 214, .5);
  border-radius: var(--sig-radius);
  padding: 2.8rem 2.2rem;
  transition: transform .3s, box-shadow .3s, background .2s;
}
.sig-card--soft { background: var(--sig-card-soft); border-color: rgba(227, 223, 214, .6); }
.sig-card--soft:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 56px -28px rgba(39, 71, 108, .35);
}
.sig-card__kicker {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--sig-blue);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}
.sig-card__text { font-size: 1.02rem; color: var(--sig-ink); line-height: 1.68; }

/* Service-Karten (klickbar) */
.sig-service {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
/* Nur die verlinkte Variante hebt sich an – eine <div> ohne Ziel soll
   nicht so tun, als wäre sie klickbar. */
a.sig-service:hover {
  background: #fff;
  color: inherit;
  transform: translateY(-6px);
  box-shadow: var(--sig-shadow-card);
}
.sig-service__num {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--sig-blue);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}
/* Einheitliche Titelhöhe: Beschreibungen aller Karten starten auf einer Linie. */
.sig-service .sig-h3 { margin-bottom: 1rem; flex: none; min-height: 2.6em; }
.sig-service__text { flex: 1; }
.sig-service__text {
  font-size: .92rem;
  color: var(--sig-body);
  line-height: 1.72;
  margin-bottom: 1.6rem;
  font-weight: 300;
}
.sig-service__more {
  font-size: .78rem;
  color: var(--sig-blue);
  font-weight: 600;
  letter-spacing: .04em;
}

/* Spezialisierungs-Karten */
.sig-field {
  background: var(--sig-card);
  border: 1px solid rgba(227, 223, 214, .6);
  border-radius: 8px;
  padding: 2.4rem 2rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.4rem;
  transition: transform .3s var(--sig-ease), box-shadow .3s var(--sig-ease),
              border-color .3s var(--sig-ease), background .3s var(--sig-ease);
}
.sig-field:hover {
  border-color: var(--sig-blue);
  transform: translateY(-8px);
  box-shadow: 0 28px 60px -28px rgba(39, 71, 108, .35);
  background: var(--sig-card-hover);
}
.sig-field__tag {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--sig-blue);
  text-transform: uppercase;
}
.sig-field__head { display: flex; flex-direction: column; gap: .3rem; align-items: flex-start; }
.sig-field .sig-h3 { font-size: 1.4rem; line-height: 1.24; }
.sig-field__text {
  font-size: .92rem;
  color: var(--sig-body);
  line-height: 1.7;
  flex: 1;
  text-align: left;
}

/* Mandats-Panel */
.sig-mandates {
  background: var(--sig-card);
  border: 1px solid rgba(227, 223, 214, .6);
  border-radius: 8px;
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: 0 32px 64px -40px rgba(39, 71, 108, .22);
}
.sig-mandates__title {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--sig-blue);
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.sig-mandates__list { display: flex; flex-direction: column; gap: 2px; }
.sig-mandates__item {
  background: #fff;
  padding: 1.5rem 1.6rem;
  border: 1px solid #f0ede7;
  border-radius: 4px;
  transition: background .2s;
}
.sig-mandates__item:hover { background: #f8f6f2; }
.sig-mandates__role {
  font-size: .68rem;
  color: var(--sig-blue);
  font-weight: 700;
  letter-spacing: .16em;
  margin-bottom: .5rem;
  text-transform: uppercase;
}
.sig-mandates__org { font-size: .95rem; font-weight: 500; color: var(--sig-ink); }
.sig-mandates__more {
  display: inline-block;
  margin-top: 2rem;
  font-size: .8rem;
  color: var(--sig-blue);
  font-weight: 600;
  text-decoration: none;
  transition: color .2s;
}
.sig-mandates__more:hover { color: var(--sig-blue-dark); }

.sig-actions { display: flex; gap: 1.2rem; flex-wrap: wrap; align-items: center; }

/* ══════════════════════════════════════════════════════════
   9. CTA
   ══════════════════════════════════════════════════════════ */
.sig-cta {
  background: var(--sig-ink);
  text-align: center;
  padding: clamp(6rem, 11vw, 10rem) var(--sig-gutter);
  position: relative;
  overflow: hidden;
}
.sig-cta__mark {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  height: 150%;
  width: auto;
  max-width: none;
  opacity: .035;
  pointer-events: none;
  filter: brightness(0) invert(1);
}
.sig-cta__inner { position: relative; z-index: 2; }
.sig-cta .sig-eyebrow { color: rgba(255, 255, 255, .4); margin-bottom: 1.8rem; }
.sig-cta .sig-eyebrow::before,
.sig-cta .sig-eyebrow::after { background: rgba(255, 255, 255, .35); }
.sig-cta .sig-h2 {
  font-size: clamp(2.6rem, 5.5vw, 4.6rem);
  color: #fff;
  margin-bottom: 1.1rem;
  line-height: 1.1;
  letter-spacing: -.02em;
}
.sig-cta__text {
  color: rgba(255, 255, 255, .5);
  font-size: 1.05rem;
  margin: 0 auto 2.6rem;
  font-weight: 300;
  max-width: 420px;
  line-height: 1.7;
}
.sig-contact {
  display: flex;
  gap: clamp(1.5rem, 3vw, 2.8rem);
  justify-content: center;
  margin-top: 3rem;
  flex-wrap: wrap;
}
.sig-contact__item {
  font-size: .82rem;
  color: rgba(255, 255, 255, .5);
  text-decoration: none;
  letter-spacing: .04em;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  transition: color .2s;
}
a.sig-contact__item:hover { color: rgba(255, 255, 255, .9); }
.sig-contact__item::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--sig-blue);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════
   10. Footer
   ══════════════════════════════════════════════════════════ */
.sig-footer {
  background: var(--sig-ink-deep);
  padding: 3rem var(--sig-gutter);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
}
.sig-footer__brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.sig-footer__brand img { height: 26px; width: auto; filter: brightness(0) invert(1); opacity: .5; }
.sig-footer__nav {
  display: flex;
  gap: clamp(1.5rem, 2.8vw, 2.4rem);
  flex-wrap: wrap;
  flex: 1;
  justify-content: center;
}
.sig-footer__nav a {
  color: rgba(255, 255, 255, .55);
  text-decoration: none;
  font-size: .78rem;
  letter-spacing: .05em;
  transition: color .2s;
}
.sig-footer__nav a:hover { color: rgba(255, 255, 255, .9); }
.sig-footer__legal {
  color: rgba(255, 255, 255, .35);
  font-size: .74rem;
  letter-spacing: .03em;
  width: 100%;
  padding-top: 1.8rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
}

/* ══════════════════════════════════════════════════════════
   11. Reveal-Animation
   ══════════════════════════════════════════════════════════ */
/* Startzustand nur setzen, wenn JS läuft – sonst bleibt bei JS-Fehler
   oder deaktiviertem JS die halbe Seite unsichtbar. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s var(--sig-ease), transform .8s var(--sig-ease);
  will-change: opacity, transform;
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@keyframes sig-float {
  0%, 100% { transform: translate(-50%, -50%) rotate(0deg); }
  50%      { transform: translate(-50%, -52%) rotate(-1.5deg); }
}

/* ══════════════════════════════════════════════════════════
   12. Responsive
   ══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .sig-split,
  .sig-grid--2 { grid-template-columns: 1fr; }
  .sig-split { gap: 3rem; }
}

@media (max-width: 900px) {
  .sig-nav__toggle { display: inline-flex; }

  .sig-nav__links {
    position: fixed;
    top: var(--sig-nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    /* Deckend, nicht transluzent: hinter dem offenen Menü liegt der Hero-
       Text, der sonst durch die Menüpunkte schlägt. */
    background: var(--sig-bg);
    border-bottom: 1px solid var(--sig-line);
    padding: .5rem var(--sig-gutter) 1.5rem;
    max-height: calc(100dvh - var(--sig-nav-h));
    overflow-y: auto;

    /* Geschlossen: unsichtbar UND nicht fokussierbar. */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .25s, transform .25s, visibility .25s;
  }
  .sig-nav__links.is-open { opacity: 1; visibility: visible; transform: none; }

  .sig-nav__links a {
    padding: 1rem 0;
    font-size: .82rem;
    border-bottom: 1px solid var(--sig-line);
  }
  .sig-nav__links .sig-btn {
    justify-content: center;
    margin-top: 1.2rem;
    padding: .9rem 1.35rem;
    font-size: .8rem;
    border-bottom: 0;
  }
  .sig-nav__links .sig-btn:hover { transform: none; }

  .sig-hero { min-height: auto; padding-bottom: 4rem; }
  .sig-hero__mark { height: 90%; opacity: .04; }

  .sig-stats > div { padding: 1.4rem 1.2rem; }

  .sig-footer { flex-direction: column; align-items: flex-start; }
  .sig-footer__nav { justify-content: flex-start; }
}

@media (max-width: 600px) {
  .sig-stats { grid-template-columns: 1fr 1fr; }
  .sig-stats > div { border-left: 0; padding-left: 0; border-top: 1px solid var(--sig-line); }
  .sig-stats > div:first-child { border-top: 0; }
  .sig-stats > div:nth-child(2) { border-top: 0; }

  .sig-card { padding: 2.2rem 1.6rem; }
  .sig-field { padding: 2rem 1.6rem; }

  .sig-hero__actions,
  .sig-actions { gap: 1rem; }
  .sig-btn { width: 100%; justify-content: center; }
  .sig-btn--light { width: auto; }
}

/* ══════════════════════════════════════════════════════════
   13. Reduced Motion / Print
   ══════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  .sig-nav, .sig-hero__mark, .sig-cta__mark { display: none; }
  body { background: #fff; }
  .js [data-reveal] { opacity: 1; transform: none; }
}