/* Tatortreinigung Kassel24, gemeinsames Stylesheet. Werte gemaess DESIGN.md. */

:root {
  --primary: #0A4DA2;
  --accent: #2E7DD7;
  --accent-light: #7DBBF2;
  --surface-1: #F2F6FA;
  --surface-2: #E6F2FF;
  --border: #E6F2FF;
  --white: #FFFFFF;
  --text: #41535F;
  --text-on-blue: #33455A;
  --text-secondary: #5B6B7C;
  --breadcrumb: #6B7B8A;
  --text-on-primary: #C6DEF8;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; background: var(--white); }
body { font-family: Arial, Helvetica, sans-serif; color: #1A2B3C; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); }
a:hover { color: var(--accent); }
img { max-width: 100%; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 32px; }
.container--narrow { max-width: 820px; }

h1, h2, h3 { font-weight: bold; color: var(--primary); margin: 0; }
h1 { letter-spacing: -0.02em; line-height: 1.2; text-wrap: pretty; font-size: 40px; }
h1.h1--home { font-size: 44px; line-height: 1.18; }
h1.h1--section { font-size: 36px; }
h2 { letter-spacing: -0.01em; font-size: 28px; }
h2.h2--lg { font-size: 30px; }
h3 { font-size: 18px; }
p { margin: 0; }

.eyebrow { display: block; font-size: 13px; font-weight: bold; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.lead { font-size: 17px; line-height: 1.8; color: var(--text); }
.text { font-size: 16px; line-height: 1.8; color: var(--text); }
.text-tight { font-size: 15px; line-height: 1.7; color: var(--text); }
.text-on-blue { color: var(--text-on-blue); }
.max-46 { max-width: 46ch; }
.max-48 { max-width: 48ch; }
.max-52 { max-width: 52ch; }
.max-54 { max-width: 54ch; }
.max-58 { max-width: 58ch; }
.max-60 { max-width: 60ch; }
.max-62 { max-width: 62ch; }
.max-70 { max-width: 70ch; }

/* Buttons und Links */
.btn { display: inline-block; text-decoration: none; font-weight: bold; font-size: 16px; padding: 15px 26px; border-radius: 6px; cursor: pointer; border: none; font-family: inherit; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--accent); color: var(--white); }
.btn-secondary { background: var(--white); color: var(--primary); border: 1px solid var(--accent-light); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.link-underline { font-weight: bold; color: var(--primary); text-decoration: underline; }
.link-underline:hover { color: var(--accent); }
.link-plain { font-weight: bold; color: var(--primary); text-decoration: none; }
.link-plain:hover { color: var(--accent); }
.link-arrow { font-weight: bold; color: var(--primary); text-decoration: none; font-size: 16px; }
.link-arrow:hover { color: var(--accent); }

/* Bausteine */
.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px; padding: 32px 28px; }
.card h3 { margin: 0 0 12px; font-size: 17px; }
.card--hover { background: var(--white); }
.card--hover:hover { border-color: var(--accent-light); }
.card--hover h3 { font-size: 18px; }
.card-link { display: block; text-decoration: none; color: inherit; }

.chip { font-size: 14px; color: var(--text); background: var(--surface-1); border: 1px solid var(--border); border-radius: 100px; padding: 9px 16px; display: inline-block; }
.chip--white { background: var(--white); }

.list-line { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.list-line li { font-size: 16px; line-height: 1.6; color: var(--text-on-blue); padding-left: 22px; border-left: 1px solid var(--accent-light); }

/* Layout-Grids */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 56px; align-items: center; }
.grid-2--start { align-items: start; }
.grid-2-narrow { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 48px; }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.grid-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; }
.grid-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 36px; }
.grid-contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 48px; }
.grid-values { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; align-content: start; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.step { border-top: 2px solid var(--primary); padding-top: 22px; }
.step .no { display: block; margin: 0 0 12px; font-size: 14px; font-weight: bold; color: var(--accent-light); }
.step h3 { font-size: 17px; margin: 0 0 10px; }

/* Bildflaechen */
.image-slot { position: relative; width: 100%; border-radius: 10px; overflow: hidden; border: 1px solid var(--border); background: var(--white); display: flex; align-items: center; justify-content: center; text-align: center; padding: 24px; }
.image-slot span { font-size: 13px; line-height: 1.6; color: var(--text-secondary); }
.image-slot--hero { aspect-ratio: 4 / 3; }
.image-slot--tall { aspect-ratio: 3 / 4; background: var(--surface-1); }
.image-slot--wide { aspect-ratio: 16 / 9; }
.image-slot--filled { padding: 0; }
.image-slot img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* Sektionen */
.section { padding: 88px 0; }
.section--hero { padding: 88px 0; }
.section--sm { padding: 64px 0; }
.section--tight { padding: 72px 0; }
.section--faq { padding: 72px 0 96px; }
.bg-surface-1 { background: var(--surface-1); }
.bg-surface-2 { background: var(--surface-2); }
.bg-white { background: var(--white); }
.bg-primary { background: var(--primary); }
.border-top { border-top: 1px solid var(--border); }
.border-bottom { border-bottom: 1px solid var(--border); }

/* Topbar */
.topbar { background: var(--primary); color: var(--white); font-size: 14px; letter-spacing: 0.02em; }
.topbar .container { padding: 10px 32px; display: flex; flex-wrap: wrap; gap: 8px 28px; align-items: center; justify-content: space-between; }
.topbar a { color: var(--white); text-decoration: none; font-weight: bold; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.site-header .container { padding: 20px 32px; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.logo-img { display: block; height: 48px; width: auto; }
.logo-text { display: block; line-height: 1.15; }
.logo-name { display: block; font-size: 17px; font-weight: bold; color: var(--primary); letter-spacing: -0.01em; }
.logo-name span { color: var(--accent); }
.logo-tag { display: block; font-size: 12px; color: var(--text-secondary); letter-spacing: 0.04em; }
.main-nav { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.main-nav a { padding: 10px 14px; font-size: 15px; text-decoration: none; color: var(--text-secondary); border-radius: 6px; }
.main-nav a:hover { color: var(--primary); }
.main-nav a.is-active { color: var(--primary); font-weight: bold; }
.main-nav a.btn-primary { margin-left: 10px; padding: 11px 20px; font-size: 14px; color: var(--white); font-weight: bold; }

/* Breadcrumb */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 14px; color: var(--breadcrumb); padding-top: 36px; }
.breadcrumb a { color: var(--breadcrumb); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .current { color: var(--primary); }

/* CTA-Band */
.cta-band .container { padding: 72px 32px; display: flex; flex-wrap: wrap; gap: 28px; align-items: center; justify-content: space-between; }
.cta-band p.headline { font-size: 24px; font-weight: bold; color: var(--white); letter-spacing: -0.01em; margin: 0; }
.cta-band p.sub { color: var(--text-on-primary); font-size: 16px; margin: 12px 0 0; }
.cta-band .btn { background: var(--white); color: var(--primary); font-size: 17px; padding: 16px 28px; }
.cta-band .btn:hover { background: var(--surface-2); }

/* FAQ */
.faq-item { padding: 32px 0; border-bottom: 1px solid var(--border); }
.faq-item h3, .faq-item h2 { margin: 0 0 12px; font-size: 17px; }

/* Footer */
.site-footer { background: var(--primary); color: var(--white); }
.site-footer .container { padding: 64px 32px 40px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 40px; }
.site-footer h3 { font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-light); margin: 0 0 14px; }
.site-footer p { font-size: 15px; margin: 0 0 8px; }
.site-footer a { color: var(--white); text-decoration: none; font-size: 15px; }
.site-footer a:hover { color: var(--accent-light); }
.footer-col { display: grid; gap: 8px; justify-items: start; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.18); }
.footer-bottom .container { padding: 22px 32px; font-size: 13px; color: var(--text-on-primary); }

@media (max-width: 600px) {
  .cta-band .container { justify-content: flex-start; }
  .site-header { position: static; }
  .topbar { position: sticky; top: 0; z-index: 21; }
}