/* Glatz-Gruppe – Farbpalette aus dem hochaufgeloesten Gruppen-Logo abgeleitet (Saeulen-Symbol: Navy + kuehles Blaugrau-Ueberlagerung). */
:root {
  --c-navy: #002b4a;
  --c-navy-deep: #001729;
  --c-teal: #677078;
  --c-lavender: #8ca0b2;
  --c-cyan: #cedae7;
  --c-ink: #1b1f2a;
  --c-body: #333a45;
  --c-bg: #ffffff;
  --c-bg-alt: #f5f7fa;
  --c-border: #e2e6ec;

  --c-sts: #005ca8;
  --c-nkk-orange: #f2a73b;
  --c-nkk-green: #3c8f5c;

  --font-base: "Hanken Grotesk", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --max-width: 1140px;
}

/* Self-hosted fonts (Google Fonts CDN is explicitly not to be used). */
@font-face {
  font-family: "Hanken Grotesk";
  src: url("../fonts/hanken-grotesk-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Hanken Grotesk";
  src: url("../fonts/hanken-grotesk-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--c-body);
  background: var(--c-bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--c-navy); text-decoration: none; }
a:hover { color: var(--c-teal); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  /* Deckend und bewusst ohne backdrop-filter: ein Element mit Backdrop-Filter
     wird zum Bezugsrahmen fuer fixed positionierte Kinder - das mobile Menue
     wuerde sich dann am Header statt am Bildschirm ausrichten. */
  background: #fff;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.brand img { height: 62px; }
.main-nav { display: flex; align-items: center; gap: 1.75rem; }
.main-nav a {
  color: var(--c-ink);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}
.main-nav a.active { color: var(--c-navy); border-bottom: 2px solid var(--c-teal); padding-bottom: 4px; }
.lang-switch { display: flex; gap: 0.4rem; font-size: 0.85rem; font-weight: 700; }
.lang-switch a { padding: 2px 6px; border-radius: 4px; color: var(--c-body); }
.lang-switch a.active { background: var(--c-navy); color: #fff; }
.nav-toggle { display: none; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--c-navy-deep) 0%, var(--c-navy) 55%, var(--c-teal) 100%);
  color: #fff;
  padding: 5rem 0 4.5rem;
}
.hero h1 { font-size: 2.6rem; line-height: 1.15; margin: 0 0 1rem; max-width: 780px; }
/* Claim on the start page: set in caps, so it needs a little tracking and a tighter size. */
.hero h1.hero-claim {
  text-transform: uppercase;
  font-size: 2.25rem;
  letter-spacing: 0.015em;
  line-height: 1.2;
  max-width: 860px;
}
.hero p.lead { font-size: 1.2rem; max-width: 620px; color: #e6ecf2; margin: 0 0 2rem; }
/* Slim rule above the claim. Deliberately a single horizontal line: two upright
   bars read as a pause icon rather than as the pillars of the group logo. */
.hero-accent {
  display: block;
  width: 64px;
  height: 3px;
  border-radius: 2px;
  background: var(--c-cyan);
  opacity: 0.9;
  margin-bottom: 1.75rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.6rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.95rem;
  background: #fff;
  color: var(--c-navy);
  border: 2px solid transparent;
}
.btn:hover { background: var(--c-cyan); color: var(--c-navy-deep); }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}
.btn-outline:hover { background: #fff; color: var(--c-navy); }

/* Sections */
section { padding: 4.5rem 0; }
section.alt { background: var(--c-bg-alt); }
h1, h2, h3 { font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: 1.9rem; color: var(--c-navy); margin: 0 0 0.75rem; }
h2 + p.section-lead { max-width: 680px; color: var(--c-body); margin-bottom: 2.5rem; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--c-teal);
  margin-bottom: 0.5rem;
  display: block;
}

/* Values grid */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.value-card {
  padding: 1.75rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  border-top: 3px solid var(--c-teal);
}
.value-card h3 {
  color: var(--c-navy);
  margin: 0 0 0.5rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.value-card p { margin: 0; font-size: 0.95rem; }

/* Portfolio cards */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.portfolio-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.portfolio-card .logo-slot {
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg-alt);
  min-height: 110px;
}
.portfolio-card .logo-slot img { max-height: 60px; width: auto; }
.portfolio-card .body { padding: 1.75rem; flex: 1; display: flex; flex-direction: column; }
.portfolio-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  margin-bottom: 0.75rem;
  align-self: flex-start;
}
.portfolio-card.sts .tag { background: rgba(0,102,204,0.12); color: var(--c-sts); }
.portfolio-card.nkk .tag { background: rgba(242,167,59,0.15); color: #b5791f; }
.portfolio-card h3 { margin: 0 0 0.6rem; color: var(--c-navy); }
.portfolio-card .link-out { margin-top: auto; padding-top: 1rem; font-weight: 700; font-size: 0.9rem; }
/* Detail cards on the portfolio page: logo column beside the copy, stacked on small screens. */
.portfolio-card--detail {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  margin-bottom: 2.5rem;
}
.portfolio-card--detail:last-of-type { margin-bottom: 0; }
.portfolio-card--detail .logo-slot { min-height: 220px; }
.portfolio-card--detail .body { padding: 2rem 2.25rem; }
.minority-note {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--c-bg-alt);
  border-radius: 8px;
  border: 1px dashed var(--c-border);
  font-size: 0.95rem;
}

/* Acquisitions / M&A criteria */
.criteria-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.criteria-list li {
  display: flex;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 6px;
}
.criteria-list li strong {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
  color: var(--c-navy);
}
.criteria-list li .num {
  font-weight: 800;
  color: var(--c-cyan);
  font-size: 1.4rem;
  line-height: 1;
}

/* CTA band */
.cta-band {
  background: var(--c-navy);
  color: #fff;
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #d6e0e8; max-width: 560px; margin: 0 auto 1.75rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row { margin-top: 1rem; }
.contact-form label.field-label { display: block; font-weight: 700; margin-bottom: 0.3rem; }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--c-border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--c-body);
  background: #fff;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--c-navy);
  outline-offset: 1px;
}
.form-consent { margin-top: 1rem; font-size: 0.9rem; }
.form-status { display: none; margin-bottom: 1rem; padding: 1rem; border-radius: 6px; }
.contact-card { background: var(--c-bg-alt); border-radius: 8px; padding: 2rem; }
.contact-card h3 { color: var(--c-navy); margin-top: 0; }
dl.contact-details { margin: 0; }
dl.contact-details dt { font-weight: 700; color: var(--c-navy); margin-top: 1rem; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }
dl.contact-details dd { margin: 0.15rem 0 0; }

/* Footer */
.site-footer {
  background: var(--c-navy-deep);
  color: #b9c6d1;
  padding: 3rem 0 2rem;
  font-size: 0.9rem;
}
.site-footer a { color: #d6e0e8; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2rem; margin-bottom: 2rem; }
/* Negative logo variant: single colour (white) but keeps the tonal steps of the pillar symbol. */
.footer-logo { height: 52px; width: auto; }
.footer-legal { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 1.25rem; font-size: 0.8rem; color: #8ea0af; }

/* Legal pages */
.legal-content h2 { margin-top: 2rem; }
.legal-content { max-width: 760px; }
.placeholder {
  background: #fff7e0;
  border: 1px dashed #e0b400;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  color: #7a5c00;
  font-weight: 600;
}

@media (max-width: 860px) {
  .grid-3, .grid-2, .contact-grid { grid-template-columns: 1fr; }
  .portfolio-card--detail { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .portfolio-card--detail .logo-slot { min-height: 140px; }
  .portfolio-card--detail .body { padding: 1.5rem; }
  /* Logo und Menuetaste bleiben ueber dem aufgeklappten Menue sichtbar. */
  .brand, .nav-toggle { position: relative; z-index: 2; }
  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    background: var(--c-bg);
    flex-direction: column;
    align-items: flex-start;
    /* Oben so viel Platz, dass die Links unter der Kopfzeile beginnen. */
    padding: 7rem 1.5rem 2rem;
    gap: 1.25rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.25s ease;
  }
  .main-nav.open { transform: translateX(0); }
  .nav-toggle { display: inline-flex; background: none; border: none; font-size: 1.6rem; color: var(--c-navy); }
  .hero h1 { font-size: 2rem; }
}