:root {
  --navy: #0d2946;
  --navy-2: #153b5b;
  --teal: #16767a;
  --teal-dark: #0b5c60;
  --sky: #dceef0;
  --sand: #f5f1e9;
  --paper: #fffdf9;
  --copper: #c96747;
  --ink: #17283a;
  --muted: #536474;
  --line: #ced9df;
  --white: #ffffff;
  --danger: #8a2e2e;
  --shadow: 0 24px 70px rgba(13,41,70,.13);
  --radius: 24px;
  --max: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--sand); color: var(--ink); font: 400 1rem/1.68 "Segoe UI Variable", "Aptos", "Inter", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: var(--teal-dark); text-underline-offset: .2em; }
a:hover { color: var(--copper); }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid #eb8d68; outline-offset: 3px; }
.skip-link { position: fixed; z-index: 100; left: 1rem; top: -6rem; padding: .75rem 1rem; border-radius: 10px; background: var(--navy); color: white; }
.skip-link:focus { top: 1rem; }
.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 2rem), 790px); margin-inline: auto; }
.topline { background: var(--navy); color: white; }
.topline .container { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-size: .82rem; letter-spacing: .02em; }
.topline a { color: white; text-decoration: none; }
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(245,241,233,.94); border-bottom: 1px solid rgba(13,41,70,.12); backdrop-filter: blur(16px); }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: .8rem; color: var(--navy); text-decoration: none; line-height: 1.18; }
.brand img { width: 48px; height: 48px; }
.brand strong { display: block; font-size: 1.06rem; font-weight: 760; letter-spacing: -.02em; }
.brand small { color: var(--muted); font-size: .74rem; }
.nav-toggle { display: none; border: 1px solid var(--line); background: white; color: var(--navy); border-radius: 10px; padding: .65rem .85rem; font-weight: 700; }
.main-nav ul { display: flex; align-items: center; gap: .15rem; list-style: none; margin: 0; padding: 0; }
.main-nav a { display: block; padding: .68rem .72rem; color: var(--ink); text-decoration: none; border-radius: 10px; font-size: .91rem; font-weight: 680; }
.main-nav a:hover, .main-nav a[aria-current="page"] { background: var(--sky); color: var(--navy); }
.main-nav .nav-cta { margin-left: .35rem; background: var(--teal); color: white; }
.main-nav .nav-cta:hover { background: var(--teal-dark); color: white; }
.hero { min-height: 690px; position: relative; display: grid; align-items: center; isolation: isolate; overflow: hidden; background: var(--navy); color: white; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: url('frankfurt-hero.webp') center / cover no-repeat; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(7,31,54,.96) 0%, rgba(7,31,54,.88) 38%, rgba(7,31,54,.27) 72%, rgba(7,31,54,.12) 100%); }
.hero-content { width: min(680px, 62%); padding-block: 7rem; }
.city-tag { display: inline-flex; gap: .55rem; align-items: center; padding: .46rem .72rem; border: 1px solid rgba(255,255,255,.3); border-radius: 999px; background: rgba(255,255,255,.09); font-size: .8rem; font-weight: 700; letter-spacing: .04em; }
.city-tag::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: #f09670; box-shadow: 0 0 0 5px rgba(240,150,112,.15); }
.eyebrow { margin: 0 0 .7rem; color: var(--copper); font-size: .76rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.hero .eyebrow { color: #f0a083; }
h1, h2, h3 { margin-top: 0; color: var(--navy); font-weight: 680; line-height: 1.11; letter-spacing: -.035em; }
h1 { margin-bottom: 1.2rem; font-size: clamp(3rem, 6.5vw, 5.7rem); }
h2 { margin-bottom: 1rem; font-size: clamp(2rem, 4.2vw, 3.55rem); }
h3 { margin-bottom: .55rem; font-size: 1.32rem; }
.hero h1 { color: white; max-width: 10ch; }
.lead { color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.28rem); max-width: 62ch; }
.hero .lead { color: #e0e8ee; max-width: 55ch; }
.actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.8rem; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: .5rem; padding: .74rem 1.1rem; border: 2px solid var(--teal); border-radius: 11px; background: var(--teal); color: white; font-weight: 760; text-decoration: none; cursor: pointer; }
.button:hover { background: var(--teal-dark); border-color: var(--teal-dark); color: white; }
.button.secondary { border-color: var(--navy); background: transparent; color: var(--navy); }
.button.secondary:hover { background: var(--navy); color: white; }
.hero .button.secondary, .section-dark .button.secondary { border-color: rgba(255,255,255,.55); color: white; }
.hero .button.secondary:hover { background: white; color: var(--navy); }
.section { padding-block: clamp(4.5rem, 9vw, 8rem); }
.section-tight { padding-block: 3.2rem; }
.section-white { background: var(--paper); }
.section-tint { background: var(--sky); }
.section-dark { background: var(--navy); color: #e5edf2; }
.section-dark h2, .section-dark h3, .section-dark a { color: white; }
.section-dark .eyebrow { color: #f0a083; }
.section-head { display: grid; grid-template-columns: .82fr 1.18fr; gap: 4rem; margin-bottom: 2.6rem; align-items: end; }
.section-head p { margin: 0; color: var(--muted); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.15rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: .8rem; }
.card { position: relative; overflow: hidden; padding: 1.6rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); box-shadow: 0 5px 24px rgba(13,41,70,.04); }
.card p:last-child { margin-bottom: 0; }
.card-link { color: inherit; text-decoration: none; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.card-link::after { content: "↗"; position: absolute; top: 1.25rem; right: 1.25rem; color: var(--teal); font-weight: 800; }
.card-link:hover { color: inherit; transform: translateY(-5px); border-color: var(--teal); box-shadow: var(--shadow); }
.card-kicker { display: block; margin-bottom: 2.2rem; color: var(--teal); font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); transform: translateY(-42px); position: relative; z-index: 4; box-shadow: var(--shadow); }
.fact { background: var(--paper); padding: 1.35rem; }
.fact strong { display: block; color: var(--navy); font-size: .98rem; }
.fact span { color: var(--muted); font-size: .86rem; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 7vw, 7rem); align-items: center; }
.image-panel { min-height: 460px; border-radius: 32px; background: linear-gradient(145deg, rgba(13,41,70,.1), rgba(201,103,71,.15)), url('hero-praxis.webp') 72% center / cover; box-shadow: var(--shadow); }
.frankfurt-panel { min-height: 430px; border-radius: 32px; background: linear-gradient(135deg, rgba(13,41,70,.15), rgba(13,41,70,.05)), url('frankfurt-hero.webp') center / cover; box-shadow: var(--shadow); }
.check-list { list-style: none; padding: 0; }
.check-list li { position: relative; padding-left: 1.55rem; margin-block: .55rem; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .72em; width: .55rem; height: .55rem; border-radius: 50%; background: var(--copper); }
.breadcrumb { padding-top: 1.2rem; font-size: .86rem; color: var(--muted); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .45rem; margin: 0; padding: 0; list-style: none; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: .45rem; color: #91a0ac; }
.page-hero { padding-block: 5.4rem 4rem; }
.page-hero h1 { max-width: 14ch; font-size: clamp(2.9rem, 6vw, 5.1rem); }
.page-hero .lead { max-width: 66ch; }
.page-index { display: inline-grid; place-items: center; width: 2.4rem; height: 2.4rem; margin-bottom: 1rem; border-radius: 50%; background: var(--sky); color: var(--teal-dark); font-weight: 850; }
.quote { padding-left: 1.4rem; border-left: 4px solid var(--copper); color: var(--navy); font-size: 1.18rem; }
.notice { padding: 1rem 1.15rem; border: 1px solid #d8bd83; border-radius: 12px; background: #fff8e7; color: #604a24; }
.crisis-box { padding: 1.4rem; border: 2px solid #b95b4a; border-radius: var(--radius); background: #fff2ef; }
.crisis-box h2, .crisis-box h3 { color: var(--danger); }
.contact-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 1.3rem; align-items: start; }
.contact-card { position: sticky; top: 112px; }
.transport { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.line-badges { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .65rem; }
.line-badges span { display: inline-flex; min-width: 2rem; min-height: 2rem; align-items: center; justify-content: center; padding: .2rem .45rem; border-radius: 7px; background: var(--navy); color: white; font-size: .75rem; font-weight: 800; }
form { display: grid; gap: 1rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { display: block; margin-bottom: .35rem; color: var(--navy); font-weight: 730; }
.hint { display: block; margin-top: .25rem; color: var(--muted); font-size: .84rem; }
input, select, textarea { width: 100%; min-height: 48px; padding: .7rem .75rem; border: 1px solid #8799a8; border-radius: 10px; background: white; color: var(--ink); }
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px rgba(22,118,122,.17); }
.checkbox { display: grid; grid-template-columns: auto 1fr; gap: .65rem; align-items: start; }
.checkbox input { width: 1.2rem; min-height: 1.2rem; margin-top: .25rem; }
.form-status { display: none; padding: 1rem; border-radius: 10px; background: var(--sky); }
.form-status.show { display: block; }
.site-footer { padding-block: 4.5rem 2rem; background: #081d31; color: #dbe5eb; }
.site-footer h3 { color: white; }
.site-footer a { color: #e8f3f3; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 2rem; }
.site-footer ul { padding: 0; list-style: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.15); color: #aebfca; font-size: .84rem; }
.meta { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .main-nav { display: none; position: absolute; top: 84px; left: 0; right: 0; padding: 1rem; background: var(--sand); border-bottom: 1px solid var(--line); }
  .main-nav.open { display: block; }
  .main-nav ul { display: grid; }
  .main-nav .nav-cta { margin-left: 0; }
  .hero-content { width: min(700px, 84%); }
  .hero::after { background: linear-gradient(90deg, rgba(7,31,54,.96), rgba(7,31,54,.73)); }
  .section-head, .split, .contact-layout { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-5 { grid-template-columns: 1fr 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
  .contact-card { position: static; }
}
@media (max-width: 640px) {
  .topline .container { min-height: 50px; display: block; padding-block: .35rem; }
  .brand small { display: none; }
  .hero { min-height: 650px; }
  .hero-content { width: 100%; padding-block: 5.5rem; }
  .hero::before { background-position: 67% center; }
  .grid-2, .grid-3, .grid-5, .facts, .transport, .field-row, .footer-grid { grid-template-columns: 1fr; }
  .facts { transform: translateY(-28px); }
  .actions .button { width: 100%; }
  .footer-bottom { display: block; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }
@media print { .topline, .site-header, .site-footer, .actions { display: none; } body { background: white; color: black; } }