:root {
  --navy: #0c1c2c;
  --ink: #1a242c;
  --muted: #5c6c78;
  --paper: #f6f7f8;
  --white: #fbfcfc;
  --line: #d5dee4;
  --accent: #0e7c68;
  --accent-dark: #0b6554;
  --hero-muted: rgba(243, 246, 247, 0.76);
  --hero-line: rgba(255, 255, 255, 0.22);
  --max: 1120px;
  --header: 4.5rem;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
}

html[lang="de"] p,
html[lang="de"] li { hyphens: auto; }

body.nav-open { overflow: hidden; }

img { max-width: 100%; }

h1, h2, h3, p { overflow-wrap: break-word; }

h1, h2, h3 { line-height: 1.15; font-weight: 500; letter-spacing: -0.02em; }

p { margin: 0 0 1rem; }

a { color: inherit; }

button, input, textarea, select { font: inherit; color: inherit; }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--white);
  color: var(--navy);
  padding: 0.45rem 0.75rem;
  z-index: 80;
}

.skip:focus { top: 0.75rem; }

.vh {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}

.hero-grid > *,
.header-inner > *,
.contact-grid > *,
.footer-grid > *,
.pillars > *,
.split > *,
.service-block > *,
.stack-item > *,
.band-grid > *,
.rule-link > *,
.insight-row > * {
  min-width: 0;
}

.kicker {
  margin: 0 0 0.85rem;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 247, 248, 0.96);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.25rem 1.5rem;
  min-height: var(--header);
}

.logo { text-decoration: none; }

.logo-name {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logo-legal {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.primary-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 0.95rem;
}

.primary-nav a {
  text-decoration: none;
  font-size: 0.86rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  padding: 0.2rem 0;
}

.primary-nav a[aria-current="page"] {
  box-shadow: inset 0 -1px 0 var(--accent);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.langs {
  display: flex;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.langs a {
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.langs a[aria-current="true"] {
  color: var(--navy);
  box-shadow: inset 0 -1px 0 var(--accent);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  min-height: 2.4rem;
  padding: 0 0.75rem;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.55rem 1.05rem;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  line-height: 1.2;
}

.btn-small { min-height: 2.35rem; padding: 0.35rem 0.75rem; font-size: 0.86rem; }

.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); }

.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: #163044; }

.btn-ghost { border-color: var(--hero-line); color: #fff; }
.btn-ghost:hover { border-color: #fff; }

.btn-line { border-color: var(--navy); color: var(--navy); }
.btn-line:hover { background: var(--navy); color: #fff; }

.hero {
  background: var(--navy);
  color: #f3f6f7;
  padding: 4.75rem 0 4.25rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(240px, 0.72fr);
  gap: 3.5rem;
  align-items: end;
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.5rem, 4.7vw, 4.35rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.lede {
  margin: 0;
  max-width: 42rem;
  font-size: 1.08rem;
  line-height: 1.65;
}

.hero .lede { color: var(--hero-muted); margin-bottom: 1.75rem; }

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-panel { border-top: 1px solid var(--hero-line); }

.hero-panel .kicker { color: rgba(243, 246, 247, 0.62); margin-top: 1rem; }

.hero-panel ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-panel li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--hero-line);
}

.hero-panel strong { display: block; font-weight: 550; font-size: 1rem; }
.hero-panel span { display: block; color: var(--hero-muted); font-size: 0.95rem; }
.idx { color: rgba(243, 246, 247, 0.5); font-size: 0.78rem; letter-spacing: 0.08em; padding-top: 0.25rem; }

.page-hero {
  background: var(--navy);
  color: #f3f6f7;
  padding: 3.6rem 0 3.15rem;
}

.page-hero h1 {
  margin: 0 0 0.9rem;
  max-width: 20em;
  font-size: clamp(2.05rem, 4vw, 3.35rem);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.page-hero .kicker { color: rgba(243, 246, 247, 0.58); }
.page-hero .lede { color: var(--hero-muted); }
.page-hero .meta { margin: 0 0 0.8rem; color: rgba(243, 246, 247, 0.6); font-size: 0.92rem; }

.section { padding: 4.75rem 0; }
.section + .section,
.section.ruled { border-top: 1px solid var(--line); }
.section-head { max-width: 40rem; margin-bottom: 2.25rem; }
.section-head h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.45rem); }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.pillar { padding-right: 1.6rem; }
.pillar + .pillar {
  padding-left: 1.6rem;
  border-left: 1px solid var(--line);
}
.pillar h3 { margin: 0.35rem 0 0.7rem; font-size: 1.35rem; }
.num {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.num.accent { color: var(--accent); }

.rule-list { border-top: 1px solid var(--line); }

.rule-link,
.insight-row {
  display: grid;
  gap: 1rem 1.5rem;
  align-items: baseline;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.rule-link { grid-template-columns: 3.2rem minmax(0, 1fr) auto; }
.insight-row { grid-template-columns: 8.5rem minmax(0, 1fr); }

.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.insight-card {
  position: relative;
  display: flex;
  min-height: 24rem;
  overflow: hidden;
  text-decoration: none;
  color: #f3f6f7;
  background: var(--navy);
}

.insight-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.insight-card-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  width: 100%;
  margin-top: auto;
  padding: 4.5rem 1.15rem 1.15rem;
  background: linear-gradient(to top, rgba(12, 28, 44, 0.92) 20%, rgba(12, 28, 44, 0));
}

.insight-card .kicker { color: rgba(243, 246, 247, 0.72); }

.insight-card-title {
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.insight-card-excerpt {
  margin-top: 0.45rem;
  color: rgba(243, 246, 247, 0.8);
  font-size: 0.92rem;
  line-height: 1.45;
}

.insight-card:hover .insight-card-title { color: #d7f3ec; }

.rule-link h3,
.insight-row h2,
.insight-row h3 {
  margin: 0 0 0.3rem;
  font-size: 1.28rem;
  font-weight: 500;
}

.rule-link p,
.insight-row p { margin: 0; color: var(--muted); }

.rule-link:hover h3,
.insight-row:hover h2,
.insight-row:hover h3 { color: var(--accent); }

.go { color: var(--muted); font-size: 1.1rem; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.split article + article {
  padding-left: 2rem;
  border-left: 1px solid var(--line);
}

.split article:first-child { padding-right: 2rem; }
.split h2 { margin: 0.3rem 0 0.8rem; font-size: 1.7rem; }
.label { margin: 0; font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }

.stack-item {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.7rem 0;
  border-top: 1px solid var(--line);
}

.stack-item h2,
.stack-item h3 { margin: 0 0 0.55rem; font-size: 1.55rem; }

.service-block {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 1rem 1.5rem;
  padding: 2.35rem 0;
  border-top: 1px solid var(--line);
}

.service-block h2 { margin: 0 0 0.8rem; font-size: clamp(1.55rem, 2.5vw, 2rem); }
.prose { max-width: 68ch; }
.prose p:last-child { margin-bottom: 0; }

.standfirst {
  font-size: 1.28rem;
  line-height: 1.55;
  max-width: 42rem;
  margin-bottom: 2rem;
}

.prose h2 { margin: 2.3rem 0 0.75rem; font-size: 1.45rem; }

.disclaimer,
.fine {
  color: var(--muted);
  font-size: 0.95rem;
}

.disclaimer {
  margin-top: 2.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

details.faq { border-top: 1px solid var(--line); }
details.faq:last-of-type { border-bottom: 1px solid var(--line); }

details.faq summary {
  cursor: pointer;
  padding: 1.1rem 0;
  font-size: 1.12rem;
  font-weight: 500;
  list-style: none;
}

details.faq summary::-webkit-details-marker { display: none; }

details.faq summary::after {
  content: "+";
  float: right;
  color: var(--muted);
  font-weight: 400;
}

details.faq[open] summary::after { content: "–"; }

details.faq .answer { padding: 0 0 1.15rem; max-width: 68ch; }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 3rem;
}

.channel { padding: 1rem 0; border-top: 1px solid var(--line); }
.channel h2 { margin: 0 0 0.35rem; font-size: 1.05rem; font-weight: 600; }
.channel a { color: var(--accent); }
.channel p { margin: 0.25rem 0 0; }

.address-block { margin-top: 0.5rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.address-block h2 { margin: 0 0 0.4rem; font-size: 1.05rem; }

.ph { border-bottom: 1px dashed var(--accent); }

.legal-note {
  margin: 0 0 2rem;
  padding-left: 1rem;
  border-left: 1px solid var(--accent);
  color: var(--muted);
}

.field { margin-bottom: 1.1rem; }

.field label,
.field legend {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 0.65rem 0;
  border-radius: 0;
}

.field textarea { min-height: 8rem; resize: vertical; }

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-bottom-color: var(--accent);
}

.form-note { margin: 0.8rem 0 0; }

.band {
  background: var(--navy);
  color: #f3f6f7;
  padding: 3.5rem 0;
}

.band-grid {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 2rem;
}

.band h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  max-width: 16em;
}

.band p { margin: 0; max-width: 38rem; color: var(--hero-muted); }

.site-footer {
  background: var(--navy);
  color: rgba(243, 246, 247, 0.82);
  padding: 3rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}

.site-footer .logo-name,
.site-footer .logo-legal { color: #f3f6f7; }
.site-footer .logo-legal { color: rgba(243, 246, 247, 0.55); }

.site-footer a { text-decoration: none; }
.site-footer a:hover { text-decoration: underline; text-underline-offset: 0.18em; }

.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li + li { margin-top: 0.35rem; }

.site-footer h2 {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(243, 246, 247, 0.55);
  font-weight: 500;
}

.legal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.92rem;
}

.linkish {
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  cursor: pointer;
}

.cookie {
  position: fixed;
  z-index: 60;
  left: 1rem;
  bottom: 1rem;
  width: min(36rem, calc(100vw - 2rem));
  background: var(--navy);
  color: #f3f6f7;
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 1.15rem 1.2rem 1.2rem;
}

html.cookie-ok .cookie { display: none; }

.cookie p { margin: 0 0 0.9rem; color: var(--hero-muted); font-size: 0.96rem; }
.cookie .actions { gap: 0.5rem; }

dialog {
  width: min(34rem, calc(100% - 2rem));
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  padding: 1.4rem 1.4rem 1.2rem;
}

dialog::backdrop { background: rgba(12, 28, 44, 0.46); }

dialog h2 { margin: 0 0 0.7rem; font-size: 1.45rem; }

.checks { border: 0; margin: 0 0 1rem; padding: 0; }
.checks label { display: block; padding: 0.7rem 0; border-top: 1px solid var(--line); }
.checks p { margin: 0.15rem 0 0 1.4rem; }

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

::selection { background: #d5efe8; }

@media (max-width: 980px) {
  .insight-grid { grid-template-columns: 1fr; }
  .insight-card { min-height: 18rem; }
}

@media (max-width: 1100px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 0.25rem 1.25rem 0.8rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .primary-nav.is-open { display: flex; }
  .primary-nav a {
    padding: 0.8rem 0;
    border-top: 1px solid var(--line);
    font-size: 1rem;
  }
  .header-tools .btn-navy { display: none; }
}

@media (max-width: 800px) {
  .hero { padding: 3.2rem 0 2.8rem; }
  .hero h1 { font-size: 2.35rem; }
  .actions { flex-direction: column; align-items: stretch; }
  .btn { white-space: normal; text-align: center; }
  .header-tools { gap: 0.45rem; }
  .hero-grid,
  .pillars,
  .split,
  .contact-grid,
  .footer-grid,
  .band-grid,
  .service-block,
  .stack-item,
  .rule-link,
  .insight-row,
  .insight-grid {
    grid-template-columns: 1fr;
  }
  .pillar + .pillar,
  .split article + article {
    border-left: 0;
    padding-left: 0;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
  }
  .split article:first-child { padding-right: 0; }
  .pillar { padding-right: 0; }
  .band-grid { align-items: start; flex-direction: column; }
  .go { display: none; }
  .section { padding: 3.2rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}