/* Langhans Büroservice – Stylesheet
   Schriften lokal eingebunden (keine Verbindung zu Google-Servern). */

@font-face { font-family: "Nunito"; font-weight: 400; font-style: normal; font-display: swap; src: url("fonts/nunito-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Nunito"; font-weight: 700; font-style: normal; font-display: swap; src: url("fonts/nunito-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Nunito"; font-weight: 800; font-style: normal; font-display: swap; src: url("fonts/nunito-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "Playfair Display"; font-weight: 400; font-style: normal; font-display: swap; src: url("fonts/playfair-display-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Playfair Display"; font-weight: 400; font-style: italic; font-display: swap; src: url("fonts/playfair-display-latin-400-italic.woff2") format("woff2"); }
@font-face { font-family: "Playfair Display"; font-weight: 700; font-style: normal; font-display: swap; src: url("fonts/playfair-display-latin-700-normal.woff2") format("woff2"); }

:root {
  --navy-dark: #16253D;
  --navy: #002C54;
  --yellow: #EFB509;
  --orange: #CD7213;
  --ink: #16253D;
  --muted: #3E4B60;
  --line: #D9DEE6;
  --bg-soft: #F4F5F7;
  --bg-note: #FFF8E3;
  --white: #FFFFFF;

  /* Schriften: Fließtext / Überschriften / UI-Elemente */
  --font-text: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-head: "Nunito", "Segoe UI", Arial, sans-serif;
  --font-ui: "Nunito", "Segoe UI", Arial, sans-serif;

  --wrap: 1160px;
  --gutter: clamp(16px, 4vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: var(--font-text);
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 800; line-height: 1.12; margin: 0; letter-spacing: -0.01em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(64px, 9vw, 112px) 0; }
.bg-soft { background: var(--bg-soft); }
.bg-dark { background: var(--navy-dark); color: var(--white); }
.bg-navy { background: var(--navy); color: var(--white); }

.eyebrow {
  font-family: var(--font-ui); font-weight: 800; font-size: 14px;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--orange); margin: 0 0 20px;
}
.bg-dark .eyebrow, .bg-navy .eyebrow { color: var(--yellow); }

.h-xl { font-size: clamp(42px, 6.6vw, 78px); line-height: 1.05; }
.h-lg { font-size: clamp(32px, 4.4vw, 50px); }
.h-md { font-size: 22px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--yellow); padding: 8px 12px; z-index: 100; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: var(--white);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 86px; }
.logo img { width: 200px; }
.nav { display: flex; align-items: center; gap: 28px; font-family: var(--font-ui); font-weight: 700; font-size: 15px; }
.nav a { text-decoration: none; }
.nav a:hover { color: var(--orange); }
.nav .nav-cta { border: 1px solid var(--ink); padding: 11px 16px; }
.nav .nav-cta:hover { background: var(--ink); color: var(--white); }

/* Buttons */
.btn {
  display: inline-block; font-family: var(--font-ui); font-weight: 800; font-size: 17px;
  text-decoration: none; padding: 13px 22px; background: var(--yellow); color: var(--navy-dark);
  border: 0; transition: background .15s;
}
.btn:hover { background: #ffc928; }
.link-arrow {
  font-family: var(--font-ui); font-weight: 800; font-size: 17px; text-decoration: none;
  border-bottom: 2px solid currentColor; padding-bottom: 4px;
}
.link-arrow:hover { color: var(--yellow); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(72px, 9vw, 96px) 0 clamp(72px, 9vw, 104px); }
.hero::before, .hero::after {
  content: ""; position: absolute; border-radius: 50%; pointer-events: none;
}
.hero::before { width: 640px; height: 640px; right: -180px; top: -200px; border: 64px solid rgba(255,255,255,.04); }
.hero::after  { width: 460px; height: 460px; right: -60px; top: -140px; border: 1px solid rgba(255,255,255,.18); }
.hero .wrap { position: relative; z-index: 1; }
.hero h1 { margin-bottom: 44px; }
.hero h1 span { color: var(--yellow); display: block; }
.hero-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 48px 64px; align-items: start; }
.hero-lead { font-size: 20px; color: #DCE2EC; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 28px; }
.hero-quote { border-left: 2px solid var(--yellow); padding: 4px 0 4px 28px; }
.hero-quote p { font-size: clamp(24px, 2.6vw, 30px); line-height: 1.4; margin-bottom: 20px; }
.hero-quote small { font-family: var(--font-ui); font-size: 14px; color: #B9C2D0; }

/* Zwei-Spalten-Intro */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 80px; align-items: start; }
.split .text { padding-top: 4px; }

/* Fachbereiche */
.intro { max-width: 720px; margin: 28px 0 44px; }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.card { background: var(--white); border: 1px solid var(--line); padding: 40px; display: flex; flex-direction: column; }
.card .eyebrow { margin-bottom: 26px; }
.card h3 { margin-bottom: 14px; }
.card p:not(.eyebrow) { font-size: 17px; color: var(--muted); }
.card .docs { margin-top: auto; border-top: 1px solid var(--line); padding-top: 22px; }
.card .docs strong { font-family: var(--font-ui); font-weight: 800; font-size: 15px; display: block; margin-bottom: 6px; }
.card .docs p { margin: 0; font-size: 16px; }

/* Warum */
.why-quote { border-top: 2px solid var(--yellow); padding-top: 28px; }
.why-quote blockquote { margin: 0; font-size: clamp(26px, 3vw, 36px); line-height: 1.4; }
.bg-navy .text p { color: #DCE2EC; }

/* Ablauf */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin: 48px 0 36px; }
.step { border-top: 2px solid var(--ink); padding-top: 22px; }
.step .num { font-family: var(--font-ui); font-weight: 800; font-size: 14px; color: var(--orange); margin-bottom: 18px; }
.step h3 { margin-bottom: 10px; }
.step p { font-size: 17px; color: var(--muted); margin: 0; }
.note { background: var(--bg-note); border-left: 3px solid var(--yellow); padding: 18px 22px; font-size: 16px; }
.note p { margin: 0; }

/* Über mich */
.about { display: grid; grid-template-columns: 5fr 7fr; gap: 40px 80px; align-items: center; }
.about figure { margin: 0 0 0 18px; position: relative; max-width: 460px; }
.about figure::before { content: ""; position: absolute; inset: 18px 18px -18px -18px; background: var(--yellow); border-radius: 28px; }
.about figure img { position: relative; border-radius: 28px; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.about h2 { margin-bottom: 28px; }
.about p:not(.eyebrow) { font-size: 17px; color: var(--muted); }

/* Kontakt */
.contact { max-width: 840px; margin: 0 auto; }
.contact h2 { margin-bottom: 28px; }
.contact > p { color: #DCE2EC; }
.contact-box { border: 1px solid rgba(255,255,255,.35); padding: 28px; margin-top: 36px; font-family: var(--font-ui); }
.contact-box strong { color: var(--yellow); display: block; margin-bottom: 10px; font-weight: 800; }
.contact-box a { display: inline-block; font-size: 18px; margin: 2px 0; text-underline-offset: 4px; }
.contact-box a:hover { color: var(--yellow); }

/* Footer */
.site-footer { background: #0F1A2C; color: #C9D1DD; font-family: var(--font-ui); font-size: 15px; padding: 26px 0; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; }
.site-footer nav { display: flex; gap: 20px; }
.site-footer a { color: var(--white); text-underline-offset: 3px; }

/* Rechtstexte */
.legal { max-width: 800px; }
.legal h1 { font-size: clamp(34px, 4vw, 46px); margin-bottom: 32px; }
.legal h2 { font-size: 22px; margin: 40px 0 12px; }
.legal h3 { font-size: 18px; margin: 24px 0 8px; }
.legal p, .legal li { font-size: 17px; }
.legal ul { padding-left: 1.2em; }
.todo { background: #FFE58A; outline: 2px dashed var(--orange); padding: 0 4px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .split, .cards, .about { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .hero::before { width: 420px; height: 420px; right: -220px; top: -160px; border-width: 40px; }
  .hero::after { display: none; }
}
@media (max-width: 640px) {
  .site-header .wrap { min-height: 70px; }
  .logo img { width: 150px; }
  .nav { gap: 14px; font-size: 14px; }
  .nav .hide-sm { display: none; }
  .nav .nav-cta { padding: 9px 12px; }
  .card { padding: 28px 22px; }
  body { font-size: 17px; }
  .br-lg { display: none; }
}

/* Nach-oben-Pfeil */
.to-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--navy); color: var(--yellow);
  border: 2px solid var(--yellow); text-decoration: none;
  box-shadow: 0 4px 14px rgba(0,0,0,.18);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s, transform .25s, visibility .25s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--yellow); color: var(--navy); }
@media (max-width: 900px) { .about figure { margin: 0 auto 18px 18px; max-width: 380px; } }