/* ============================================================
   Beamtennavigator – dark theme, blue/white, mobile-first
   ============================================================ */

/* Inter, self-hosted (SIL Open Font License 1.1, see assets/fonts/LICENSE-Inter.txt).
   Served locally on purpose: loading it from Google would send every visitor's
   IP address to Google without consent. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("../fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("../fonts/inter-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308,
    U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113,
    U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #101a2e;
  --bg-alt: #18243d;
  --surface: #1e2b47;
  --surface-2: #253355;
  --line: #35456b;
  --text: #ffffff;
  --muted: #c2cee1;
  --blue: #60a5fa;
  --blue-strong: #2563eb;
  --blue-soft: rgba(96, 165, 250, .18);

  --radius: 14px;
  --radius-lg: 20px;
  --wrap: 1160px;
  --shadow: 0 18px 40px rgba(0, 0, 0, .32);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--blue); text-decoration: none; }
a:hover { color: #93c1ff; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; font-weight: 800; letter-spacing: -.02em; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.1rem; font-weight: 700; }

p { margin: 0 0 1.1em; color: var(--muted); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--blue-strong); color: #fff; padding: .7rem 1rem; z-index: 200;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.wrap.narrow { max-width: 820px; }

.section { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }

.eyebrow {
  color: var(--blue);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 0 0 .8rem;
}

.section-intro { max-width: 640px; }

.grid { display: grid; gap: 18px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px;
  padding: .8rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.btn-primary { background: var(--blue-strong); color: #fff; }
.btn-primary:hover { background: var(--blue); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; border-color: var(--line); color: #fff; }
.btn-ghost:hover { border-color: var(--blue); color: #fff; }
.btn-lg { min-height: 56px; padding: .95rem 1.7rem; }
.btn-sm { min-height: 44px; padding: .55rem 1.1rem; font-size: .9rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(16, 26, 46, .9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px;
}

.logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; }
.logo-mark { width: 42px; height: 42px; }
.logo-full { height: 62px; width: auto; }
.logo-text { font-weight: 500; font-size: 1.05rem; letter-spacing: -.01em; }
.logo-text strong { font-weight: 800; }

.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 48px; height: 48px; padding: 0 11px;
  background: transparent; border: 1px solid var(--line); border-radius: 12px;
  cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: #fff; border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav {
  position: absolute; left: 0; right: 0; top: 100%;
  display: none;
  padding: 12px 20px 22px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
}
.nav.is-open { display: block; }
.nav ul { list-style: none; margin: 0 0 14px; padding: 0; }
.nav ul a {
  display: block; padding: 14px 4px;
  color: #fff; font-weight: 600;
  border-bottom: 1px solid var(--line);
}
.nav ul a:hover { color: var(--blue); }
.btn-nav { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 48px;
  background:
    radial-gradient(900px 420px at 15% -10%, rgba(59, 130, 246, .3), transparent 65%),
    radial-gradient(700px 380px at 90% 0%, rgba(96, 165, 250, .15), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.hero h1 { font-size: clamp(1.9rem, 7vw, 3.4rem); margin-bottom: .5em; }
.hero .accent { color: var(--blue); }
.hero .lead { font-size: 1.05rem; color: #dde7f5; max-width: 720px; }
.hero-text { max-width: 680px; }

.hero-actions { display: flex; flex-direction: column; gap: 12px; margin: 28px 0 32px; }

.trust-row {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 10px;
}
.trust-row li {
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: .92rem;
}
.trust-row strong { display: block; color: #fff; font-size: 1rem; }

/* ---------- Cards ---------- */
.card {
  padding: 24px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.card-icon {
  display: grid; place-items: center;
  width: 46px; height: 46px; margin-bottom: 16px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 800;
}
.card p { margin-bottom: 0; }

/* ---------- Testimonials ---------- */
.quote {
  margin: 0;
  padding: 24px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-lg);
}
.quote blockquote { margin: 0 0 18px; color: var(--muted); font-style: italic; }
.quote blockquote::before { content: "„"; color: var(--blue); font-size: 1.4em; line-height: 0; }
.quote-name { display: block; color: #fff; font-weight: 700; }
.quote-role { display: block; color: var(--muted); font-size: .88rem; }

.center-link { margin-top: 26px; text-align: center; }

/* ---------- Über mich ---------- */
.claim {
  max-width: 900px;
  margin: 0 auto 40px;
  color: #fff;
  font-size: clamp(1.25rem, 4.5vw, 1.9rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.02em;
  text-align: center;
}
.about { display: grid; gap: 28px; }
.portrait {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.portrait-caption { margin-top: 14px; text-align: center; font-size: .92rem; }
.portrait-caption strong { color: #fff; }

/* ---------- FAQ ---------- */
.faq details {
  margin-bottom: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq summary {
  padding: 18px 52px 18px 20px;
  position: relative;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  color: var(--blue); font-size: 1.5rem; font-weight: 400; line-height: 1;
}
.faq details[open] summary::after { content: "−"; }
.faq details[open] summary { background: var(--surface-2); }
.faq p { margin: 0; padding: 4px 20px 20px; }

/* ---------- Kontakt ---------- */
.contact { display: grid; gap: 32px; }

.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.contact-list li {
  display: flex; flex-direction: column;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.contact-list span {
  color: var(--blue);
  font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: 2px;
}

.contact-form {
  padding: 24px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.field { margin-bottom: 16px; }
.field label { display: block; margin-bottom: 6px; color: #fff; font-size: .9rem; font-weight: 600; }
.field label span { color: var(--blue); }
.field input, .field textarea {
  width: 100%;
  min-height: 52px;
  padding: .8rem 1rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #fff;
  font: inherit;
  font-size: 1rem;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--blue); outline: none; }
.field input.invalid, .field textarea.invalid { border-color: #f87171; }

.check { display: flex; gap: 12px; align-items: flex-start; margin: 4px 0 20px; color: var(--muted); font-size: .9rem; }
.check input { width: 22px; height: 22px; margin-top: 2px; accent-color: var(--blue-strong); flex: none; }

/* Spam trap – kept out of sight without display:none, which bots skip */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-note { margin: 14px 0 0; font-size: .9rem; }
.form-note.ok { color: #6ee7a8; }
.form-note.err { color: #f87171; }

/* ---------- Rechtstexte ---------- */
.legal h1 { margin-bottom: 1.2em; }
.legal h2 {
  margin-top: 2.4em;
  padding-top: 1.4em;
  border-top: 1px solid var(--line);
  font-size: 1.3rem;
}
.legal h3 { margin-top: 1.9em; font-size: 1.02rem; }
.legal ul { margin: 0 0 1.1em; padding-left: 1.25em; color: var(--muted); }
.legal li { margin-bottom: .45em; }
.legal p { max-width: 68ch; }

/* Offene Punkte – vor der Veröffentlichung müssen alle verschwunden sein */
.legal .todo {
  background: rgba(251, 191, 36, .16);
  border: 1px dashed #fbbf24;
  border-radius: 6px;
  padding: .1em .45em;
  color: #fcd34d;
  font-size: .92em;
}

.legal-date { margin-top: 2.6em; color: var(--muted); font-size: .9rem; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 44px 0 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
}
.footer-grid { display: grid; gap: 28px; }
.site-footer h3 { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.footer-claim { margin-top: 14px; font-size: .92rem; }
.footer-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; color: var(--muted); font-size: .93rem; }
.footer-bottom {
  margin-top: 34px; padding-top: 18px; padding-bottom: 22px;
  border-top: 1px solid var(--line);
}
.footer-bottom p { margin: 0; font-size: .85rem; }
.footer-disclosure { margin-bottom: 12px !important; max-width: 78ch; font-size: .8rem !important; }

/* ============================================================
   Tablet
   ============================================================ */
@media (min-width: 700px) {
  .section { padding: 76px 0; }
  h2 { font-size: 2rem; }
  .hero { padding: 84px 0 72px; }
  .hero-actions { flex-direction: row; flex-wrap: wrap; }
  .trust-row { grid-template-columns: repeat(3, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .contact-list li { flex-direction: row; align-items: baseline; gap: 16px; }
  .contact-list span { width: 110px; flex: none; margin-bottom: 0; }
  .contact-form { padding: 32px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   Desktop
   ============================================================ */
@media (min-width: 1000px) {
  body { font-size: 18px; }
  .section { padding: 96px 0; }

  .logo-mark { width: 46px; height: 46px; }
  .logo-full { height: 76px; }

  .nav-toggle { display: none; }
  .nav {
    position: static; display: flex; align-items: center; gap: 28px;
    padding: 0; background: transparent; border: 0;
  }
  .nav ul { display: flex; gap: 26px; margin: 0; }
  .nav ul a { padding: 0; border: 0; font-weight: 500; }
  .btn-nav { width: auto; min-height: 44px; padding: .5rem 1.2rem; font-size: .95rem; }

  .grid-3 { grid-template-columns: repeat(3, 1fr); gap: 24px; }

  .about { grid-template-columns: 380px 1fr; gap: 56px; align-items: start; }
  .contact { grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ============================================================
   Druck und PDF
   Browsers omit background colours when printing, so the dark
   theme would come out as white text on white paper.
   ============================================================ */
@media print {
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
    line-height: 1.45;
  }

  .site-header, .site-footer, .nav, .nav-toggle, .skip-link, .btn { display: none !important; }

  .section { padding: 0; }
  .wrap, .wrap.narrow { max-width: none; padding: 0; }

  h1, h2, h3 { color: #000; break-after: avoid; page-break-after: avoid; }
  p, li, .eyebrow, .legal-date { color: #000; }
  .legal p { max-width: none; }
  .legal h2 { border-top: 1px solid #999; }

  a { color: #000; text-decoration: underline; }

  /* A printed legal notice has to stand on its own, so spell links out. */
  .legal a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: .85em;
    word-break: break-all;
  }
}