/* ==========================================================================
   GEIGER | IT — Stylesheet
   Selbst gehostet, keine externen Requests, keine Tracker, keine Web-Fonts.
   ========================================================================== */

@font-face {
  font-family: "Century Gothic";
  src: url("../fonts/century-gothic.ttf") format("truetype");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-brand: "Century Gothic", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --navy-900: #1c2740;
  --navy-800: #263258;
  --navy-700: #2c3651;
  --navy-600: #446395;
  --blue-500: #2f7ec9;
  --blue-400: #4995c4;
  --cyan-500: #00a9ec;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #29324a;
  --text-muted: #5c6787;
  --border: #e3e8f2;
  --radius: 14px;
  --shadow: 0 10px 30px -12px rgba(28, 39, 64, 0.18);
  --shadow-sm: 0 2px 10px rgba(28, 39, 64, 0.08);
  --max: 1120px;
  font-size: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--blue-500); text-decoration: none; }
a:hover { color: var(--navy-700); }

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

h1, h2, h3, h4 {
  color: var(--navy-800);
  font-family: var(--font-brand);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); }
h2 { font-size: clamp(1.5rem, 3vw, 1.9rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.2em; }
li { margin-bottom: 0.4em; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-brand);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: 0.8em;
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy-800);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  max-width: var(--max);
  margin: 0 auto;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--navy-800);
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 1.05rem;
}
.brand img { height: 102px; width: auto; }
.brand small {
  display: block;
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--navy-800);
  position: relative;
  transition: 0.2s;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.main-nav li { position: relative; margin: 0; }
.main-nav > ul > li > a {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--navy-800);
  font-family: var(--font-brand);
  font-weight: 600;
  font-size: 0.94rem;
  white-space: nowrap;
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li.active > a {
  background: var(--navy-800);
  color: #fff;
}

.has-dropdown > a::after {
  content: "▾";
  font-size: 0.7em;
  margin-left: 4px;
  opacity: 0.7;
}
.dropdown {
  list-style: none;
  margin: 0;
  padding: 6px;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 220px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: 0.15s ease;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown a {
  display: block;
  padding: 9px 12px;
  border-radius: 6px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
}
.dropdown a:hover { background: var(--bg); color: var(--navy-800); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700) 55%, var(--blue-500));
  color: #fff;
  padding: 76px 0 64px;
}
.hero .container { display: grid; gap: 18px; max-width: 780px; }
.hero .eyebrow { color: #bcd7f2; }
.hero h1 { color: #fff; margin-bottom: 0.3em; }
.hero p.lead { font-size: 1.12rem; color: #dbe6f6; max-width: 640px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

.page-hero {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: #fff;
  padding: 52px 0 46px;
}
.page-hero h1 { color: #fff; margin-bottom: 0.25em; }
.page-hero p { color: #dbe6f6; max-width: 700px; margin: 0; }
.breadcrumb {
  font-size: 0.82rem;
  color: #b7c8e6;
  margin-bottom: 12px;
}
.breadcrumb a { color: #d5e3f6; }
.breadcrumb a:hover { color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 0.94rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: 0.15s ease;
}
.btn-primary { background: var(--cyan-500); color: #072033; }
.btn-primary:hover { background: #17bdff; color: #072033; transform: translateY(-1px); }
.btn-ghost { border-color: rgba(255,255,255,0.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,0.12); color: #fff; }
.btn-outline { border-color: var(--blue-500); color: var(--blue-500); }
.btn-outline:hover { background: var(--blue-500); color: #fff; }

/* ---------- Sections ---------- */
main { display: block; }
.section { padding: 56px 0; }
.section.alt { background: #eef2f9; }
.section-head { max-width: 720px; margin-bottom: 32px; }

.prose { max-width: 780px; }
.prose p { color: var(--text); }
.prose strong, .prose b { color: var(--navy-800); }

/* ---------- Cards / Grids ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}
.card h3 { margin-bottom: 0.5em; }
.card .icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-500));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  color: #fff;
}
.card .icon svg { width: 22px; height: 22px; }

.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
}
.check-list li:last-child { border-bottom: none; }
.check-list svg { width: 20px; height: 20px; flex: none; margin-top: 3px; color: var(--cyan-500); }

.notice {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--cyan-500);
  border-radius: 10px;
  padding: 20px 22px;
  margin: 28px 0;
}
.notice h3 { margin-bottom: 0.4em; font-size: 1.02rem; }
.notice p:last-child { margin-bottom: 0; }

.badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0; }
.badge svg { width: 16px; height: 16px; flex: none; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eaf6fb;
  color: var(--navy-700);
  border: 1px solid #cde7f2;
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
}

table.def-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
table.def-table th, table.def-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 0.95rem;
}
table.def-table th { color: var(--navy-800); width: 200px; }

.ref-columns { column-count: 3; column-gap: 32px; }
.ref-columns li { break-inside: avoid; }

.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 30px; align-items: start; }
.contact-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }
.contact-card h3 { margin-bottom: 6px; }
.contact-list { list-style: none; padding: 0; margin: 18px 0 0; }
.contact-list li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--border); align-items: flex-start; }
.contact-list li:last-child { border-bottom: none; }
.contact-list svg { width: 22px; height: 22px; flex: none; color: var(--blue-500); margin-top: 3px; }
.social-row { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.social-row a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 10px;
  background: var(--navy-800); color: #fff; font-weight: 600; font-size: 0.9rem;
}
.social-row a:hover { background: var(--blue-500); color: #fff; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  color: #cbd7ec;
  padding: 48px 0 22px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-grid h4 { color: #fff; font-size: 0.95rem; margin-bottom: 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: #b9c6e0; font-size: 0.92rem; }
.footer-grid a:hover { color: #fff; }
.footer-brand p { color: #9fb0d1; font-size: 0.9rem; max-width: 340px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: #8296bd;
}
.footer-privacy { display: flex; gap: 8px; flex-wrap: wrap; }
.footer-privacy span {
  background: rgba(255,255,255,0.06);
  padding: 4px 10px;
  border-radius: 999px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ref-columns { column-count: 2; }
}

@media (max-width: 760px) {
  .brand img { height: 64px; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    inset: 64px 12px auto 12px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 10px;
    display: none;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; }
  .main-nav > ul > li > a { padding: 12px 14px; }
  .dropdown {
    position: static;
    opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none;
    display: none;
    margin: 0 0 6px 10px;
  }
  .has-dropdown.open .dropdown { display: block; }
  .has-dropdown > a::after { float: right; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .ref-columns { column-count: 1; }
  .hero, .page-hero { padding: 46px 0 38px; }
}