/* ==========================================================================
   C-HV AG — Static Site Stylesheet
   ========================================================================== */

:root {
  --color-navy-950: #0a1e35;
  --color-navy-900: #0f2947;
  --color-navy-800: #163a5f;
  --color-navy-700: #1f4d78;
  --color-accent: #b8860b;
  --color-accent-dark: #8a6108;
  --color-gold: #b8860b;

  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fa;
  --color-bg-navy: var(--color-navy-950);
  --color-text: #1c2b3a;
  --color-text-muted: #5a6b7a;
  --color-text-inverse: #eef3f7;
  --color-border: #e2e8ee;

  --font-body: 'Segoe UI', ui-sans-serif, system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Segoe UI', ui-sans-serif, system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;

  --container-width: 1180px;
  --radius: 10px;
  --shadow-sm: 0 2px 10px rgba(15, 41, 71, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 41, 71, 0.12);
  --transition: 180ms ease;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 0.6em;
  color: var(--color-navy-950);
}

h1 { font-size: clamp(2.1rem, 3.2vw, 3rem); }
h2 { font-size: clamp(1.6rem, 2.4vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--color-text-muted); }

ul { margin: 0 0 1em; padding-left: 1.2em; color: var(--color-text-muted); }
li { margin-bottom: 0.4em; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 0.8em;
}

section { padding: 72px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-navy { background: var(--color-bg-navy); color: var(--color-text-inverse); }
.section-navy h2, .section-navy h3 { color: #fff; }
.section-navy p { color: #b9c8d6; }

.section-head {
  max-width: 720px;
  margin: 0 auto 3rem;
  text-align: center;
}
.section-head.left { margin: 0 0 2.5rem; text-align: left; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.85em 1.7em;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-1px); }
.btn-outline {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn-outline-navy {
  border-color: var(--color-navy-800);
  color: var(--color-navy-900);
}
.btn-outline-navy:hover { background: var(--color-navy-950); color: #fff; }
.btn-ghost {
  color: var(--color-accent-dark);
  padding: 0.4em 0;
  font-weight: 700;
}
.btn-ghost::after { content: '→'; margin-left: 0.4em; transition: transform var(--transition); display: inline-block; }
.btn-ghost:hover::after { transform: translateX(4px); }

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 42px; width: auto; }
.brand-name { font-weight: 700; color: var(--color-navy-950); font-size: 1.05rem; line-height: 1.2; }
.brand-name span { display: block; font-size: 0.72rem; font-weight: 500; color: var(--color-text-muted); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--color-navy-800);
  padding: 8px 0;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--color-accent-dark); }

.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-cta .btn { padding: 0.65em 1.4em; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy-950);
  margin: 5px 0;
  transition: all var(--transition);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  color: #fff;
  padding: 120px 0 90px;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(10,30,53,0.92), rgba(15,41,71,0.78));
}
.hero-inner { position: relative; max-width: 680px; }
.hero h1 { color: #fff; }
.hero-page {
  padding: 70px 0 60px;
}
.hero-page .hero-inner { max-width: 780px; }
.hero p.lead {
  font-size: 1.15rem;
  color: #cfe0ec;
}
.hero .btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 1.6rem; }
.breadcrumb {
  font-size: 0.85rem;
  color: #9db3c6;
  margin-bottom: 1.2rem;
}
.breadcrumb a { color: #cfe0ec; }
.breadcrumb a:hover { text-decoration: underline; }

/* ---- Stats bar ---- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  background: var(--color-navy-900);
  color: #fff;
  border-radius: var(--radius);
  padding: 36px 24px;
  margin-top: -70px;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-md);
}
.stat { text-align: center; min-width: 0; }
.stat strong { display: block; font-size: 2rem; font-weight: 800; color: var(--color-accent); overflow-wrap: break-word; }
.stat span { font-size: 0.85rem; color: #b9c8d6; }

/* ---- Cards / Grid ---- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card .icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(184,134,11,0.12);
  color: var(--color-accent-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.1rem;
}
.card h3 { margin-bottom: 0.5em; }
.card p:last-child { margin-bottom: 0; }

.media-card { overflow: hidden; padding: 0; }
.media-card img { height: 210px; width: 100%; object-fit: cover; }
.media-card .media-body { padding: 26px 26px 30px; }

/* ---- Two-column feature ---- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split img { border-radius: var(--radius); box-shadow: var(--shadow-md); }
.split.reverse .split-media { order: 2; }

/* ---- Process steps ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 30px 22px 22px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -18px; left: 22px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* ---- Team ---- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.team-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  text-align: center;
}
.team-card .avatar {
  width: 76px; height: 76px;
  border-radius: 50%;
  background: var(--color-navy-900);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 1.3rem;
  margin: 0 auto 16px;
}
.team-card .role { color: var(--color-accent-dark); font-weight: 600; font-size: 0.88rem; margin-bottom: 0.6em; }

/* ---- Press strip ---- */
.press-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.press-grid figure { margin: 0; }
.press-grid img {
  border-radius: 6px;
  border: 1px solid var(--color-border);
}
.press-grid figcaption {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

/* ---- Accordion (Karriere) ---- */
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}
.accordion-trigger {
  width: 100%;
  text-align: left;
  background: #fff;
  border: none;
  padding: 22px 26px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-navy-950);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
.accordion-trigger .plus {
  font-size: 1.4rem;
  color: var(--color-accent);
  transition: transform var(--transition);
}
.accordion-item.open .accordion-trigger .plus { transform: rotate(45deg); }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 260ms ease;
  background: var(--color-bg-alt);
}
.accordion-panel-inner { padding: 4px 26px 26px; }
.accordion-item.open .accordion-panel { max-height: 1200px; }

/* ---- Anchor nav (Leistungen sub-nav) ---- */
.subnav {
  position: sticky;
  top: 73px;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}
.subnav-inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 14px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}
.subnav a {
  white-space: nowrap;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--color-navy-800);
  background: var(--color-bg-alt);
}
.subnav a:hover, .subnav a.active { background: var(--color-navy-950); color: #fff; }

.service-block {
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: 140px;
}
.service-block:last-child { border-bottom: none; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 1.4rem 0; }
.tag-list span {
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--color-bg-alt);
  color: var(--color-navy-800);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}
.check-list { list-style: none; padding: 0; }
.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 0.7em;
  color: var(--color-text);
}
.check-list li::before {
  content: '✓';
  position: absolute; left: 0; top: 0;
  color: var(--color-accent-dark);
  font-weight: 800;
}

/* ---- CTA band ---- */
.cta-band {
  background: linear-gradient(120deg, var(--color-navy-950), var(--color-navy-700));
  color: #fff;
  border-radius: var(--radius);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 0.3em; }
.cta-band p { color: #cfe0ec; margin: 0; }

/* ---- Contact page ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
}
.contact-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 34px;
}
.contact-line { display: flex; gap: 14px; margin-bottom: 1.2em; align-items: flex-start; }
.contact-line .ic {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--color-navy-950); color: var(--color-accent);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  font-size: 1rem;
}

/* ---- Legal pages ---- */
.legal-content h2 { margin-top: 1.8em; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content a { color: var(--color-accent-dark); text-decoration: underline; overflow-wrap: break-word; word-break: break-word; }
.legal-content { max-width: 820px; }

/* ---- Footer ---- */
.site-footer {
  background: var(--color-navy-950);
  color: #b9c8d6;
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid h4 { color: #fff; font-size: 0.95rem; margin-bottom: 1.1em; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.7em; }
.footer-grid a:hover { color: #fff; }
.footer-brand img { height: 40px; margin-bottom: 14px; }
.footer-brand p { color: #8ea3b6; font-size: 0.9rem; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: #7f95a8;
}
.footer-bottom a:hover { color: #fff; }

/* ---- Utilities ---- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .press-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split .split-media { order: -1 !important; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta .btn-outline-navy { display: none; }
  .nav-toggle { display: block; }
  body.nav-open .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav-links {
    display: flex;
    position: fixed;
    top: 73px;
    right: 0;
    bottom: 0;
    left: 0;
    background: #fff;
    flex-direction: column;
    padding: 30px 24px;
    gap: 4px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  body.nav-open .nav-links a { display: block; padding: 14px 0; border-bottom: 1px solid var(--color-border); }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr; margin-top: 24px; }
  .steps { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .press-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 40px 28px; }
  section { padding: 52px 0; }
  .hero { padding: 100px 0 70px; }
}