/*
Theme Name: f-solution Main
Author: f-solution
Description: Hauptseiten-Theme im aktuellen f-solution Portalstil.
Version: 0.1.0
*/
:root {
  --background: #ffffff;
  --surface: #f7f7f5;
  --text: #111111;
  --muted: #686868;
  --line: #d9d9d5;
  --dark: #111111;
  --max-width: 1380px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.page { width: min(100% - 48px, var(--max-width)); margin: 0 auto; }
.site-header {
  display: flex; min-height: 96px; align-items: center; justify-content: space-between;
  gap: 32px; border-bottom: 1px solid var(--line);
}
.brand { text-decoration: none; }
.brand-name { margin: 0; font-size: 14px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.brand-line { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.navigation { display: flex; align-items: center; gap: 30px; }
.navigation a { position: relative; padding: 8px 0; font-size: 14px; text-decoration: none; }
.navigation a::after {
  position: absolute; right: 0; bottom: 2px; left: 0; height: 1px;
  background: var(--dark); content: ""; transform: scaleX(0); transform-origin: right; transition: transform 160ms ease;
}
.navigation a:hover::after, .navigation a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.hero {
  display: grid; min-height: 520px; align-items: end; padding: 72px 0 64px;
  border-bottom: 1px solid var(--line);
  grid-template-columns: minmax(0, 1.65fr) minmax(260px, .75fr); gap: 64px;
}
.eyebrow {
  margin: 0 0 22px; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
}
.hero h1 {
  max-width: 980px; margin: 0; font-size: clamp(3.2rem, 8vw, 8.2rem);
  font-weight: 400; letter-spacing: -.07em; line-height: .88;
}
.hero-copy { align-self: end; margin: 0 0 8px; color: var(--muted); font-size: 17px; line-height: 1.65; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
  padding: 12px 18px; border: 1px solid var(--dark); background: var(--dark); color: #fff;
  text-decoration: none; font-weight: 700; transition: background-color 150ms ease, color 150ms ease;
}
.button.secondary { background: transparent; color: var(--dark); }
.button:hover { background: transparent; color: var(--dark); }
.button.secondary:hover { background: var(--dark); color: #fff; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.section { padding: 78px 0 90px; border-bottom: 1px solid var(--line); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 32px; margin-bottom: 34px; }
.section-head h2 {
  margin: 0; font-size: clamp(2rem, 4vw, 3.6rem); font-weight: 400; letter-spacing: -.045em;
}
.section-head p { margin: 0; color: var(--muted); font-size: 14px; }
.service-grid {
  display: grid; border-top: 1px solid var(--line); border-left: 1px solid var(--line);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.service-card {
  display: flex; min-height: 310px; flex-direction: column; padding: 28px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--background); text-decoration: none; transition: background-color 150ms ease, color 150ms ease;
}
.service-card:hover { background: var(--dark); color: #fff; }
.index { color: var(--muted); font-size: 12px; letter-spacing: .1em; }
.service-card:hover .index, .service-card:hover p { color: #bdbdbd; }
.service-card h3 {
  margin: 52px 0 12px; font-size: clamp(1.7rem, 2.8vw, 2.6rem);
  font-weight: 400; letter-spacing: -.04em; line-height: 1.05;
}
.service-card p, .split p { color: var(--muted); }
.split {
  display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.split > * { min-height: 260px; padding: 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.site-footer { display: flex; justify-content: space-between; gap: 24px; padding: 30px 0; color: var(--muted); font-size: 13px; }
@media (max-width: 900px) {
  .page { width: min(100% - 32px, var(--max-width)); }
  .site-header, .section-head, .site-footer { align-items: flex-start; flex-direction: column; }
  .navigation { width: 100%; flex-wrap: wrap; gap: 18px; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 28px; }
  .service-grid, .split { grid-template-columns: 1fr; }
}

.navigation-list { display: flex; align-items: center; gap: 30px; margin: 0; padding: 0; list-style: none; }
.navigation-list li { position: relative; margin: 0; padding: 0; }
.navigation-list .sub-menu { position: absolute; top: 100%; left: 0; z-index: 20; display: none; min-width: 230px; margin: 0; padding: 10px 0; border: 1px solid var(--line); background: var(--background); list-style: none; box-shadow: 0 18px 40px rgba(0,0,0,.08); }
.navigation-list li:hover > .sub-menu, .navigation-list li:focus-within > .sub-menu { display: block; }
.navigation-list .sub-menu a { display: block; padding: 9px 16px; white-space: nowrap; }
.entry-content img { max-width: 100%; height: auto; }
.entry-content .aligncenter { display: block; margin-right: auto; margin-left: auto; }
.entry-content .wp-block-image { margin: 24px 0; }
@media (max-width: 900px) {
  .navigation-list { flex-wrap: wrap; gap: 18px; }
  .navigation-list .sub-menu { position: static; display: block; min-width: 0; padding: 4px 0 0 14px; border: 0; box-shadow: none; }
}